* Copyright (C) 1995-1999 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/*
- * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
+ * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
- * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
-#include <X11/Xlib.h>
-#include <X11/Xatom.h>
-#include <string.h>
+#include "config.h"
-#include "gdk.h" /* For gdk_flush() */
-#include "gdkdnd.h"
-#include "gdkproperty.h"
+#include "gdkx11dnd.h"
+#include "gdkdndprivate.h"
+
+#include "gdkmain.h"
#include "gdkinternals.h"
+#include "gdkasync.h"
+#include "gdkproperty.h"
#include "gdkprivate-x11.h"
+#include "gdkscreen-x11.h"
+#include "gdkdisplay-x11.h"
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xatom.h>
+#include <X11/extensions/shape.h>
+#ifdef HAVE_XCOMPOSITE
+#include <X11/extensions/Xcomposite.h>
+#endif
-typedef struct _GdkDragContextPrivateX11 GdkDragContextPrivateX11;
+#include <string.h>
typedef enum {
GDK_DRAG_STATUS_DRAG,
guint32 xid;
gint x, y, width, height;
gboolean mapped;
+ gboolean shape_selected;
+ gboolean shape_valid;
+ cairo_region_t *shape;
} GdkCacheChild;
typedef struct {
GList *children;
GHashTable *child_hash;
guint old_event_mask;
+ GdkScreen *screen;
+ gint ref_count;
} GdkWindowCache;
-/* Structure that holds information about a drag in progress.
- * this is used on both source and destination sides.
- */
-struct _GdkDragContextPrivateX11 {
+
+struct _GdkX11DragContext
+{
GdkDragContext context;
- GdkAtom motif_selection;
- GdkAtom xdnd_selection;
guint ref_count;
- guint16 last_x; /* Coordinates from last event */
+ guint16 last_x; /* Coordinates from last event */
guint16 last_y;
- GdkDragAction old_action; /* The last action we sent to the source */
- GdkDragAction old_actions; /* The last actions we sent to the source */
- GdkDragAction xdnd_actions; /* What is currently set in XdndActionList */
-
- Window dest_xid; /* The last window we looked up */
- Window drop_xid; /* The (non-proxied) window that is receiving drops */
- guint xdnd_targets_set : 1; /* Whether we've already set XdndTypeList */
- guint xdnd_actions_set : 1; /* Whether we've already set XdndActionList */
- guint xdnd_have_actions : 1; /* Whether an XdndActionList was provided */
- guint motif_targets_set : 1; /* Whether we've already set motif initiator info */
- guint drag_status : 4; /* current status of drag */
+ GdkDragAction old_action; /* The last action we sent to the source */
+ GdkDragAction old_actions; /* The last actions we sent to the source */
+ GdkDragAction xdnd_actions; /* What is currently set in XdndActionList */
+ guint version; /* Xdnd protocol version */
- GdkWindowCache *window_cache;
-};
+ GSList *window_caches;
-#define PRIVATE_DATA(context) ((GdkDragContextPrivateX11 *) GDK_DRAG_CONTEXT (context)->windowing_data)
+ Window dest_xid; /* The last window we looked up */
+ Window drop_xid; /* The (non-proxied) window that is receiving drops */
+ guint xdnd_targets_set : 1; /* Whether we've already set XdndTypeList */
+ guint xdnd_actions_set : 1; /* Whether we've already set XdndActionList */
+ guint xdnd_have_actions : 1; /* Whether an XdndActionList was provided */
+ guint drag_status : 4; /* current status of drag */
+ guint drop_failed : 1; /* Whether the drop was unsuccessful */
+};
-GdkDragContext *current_dest_drag = NULL;
+struct _GdkX11DragContextClass
+{
+ GdkDragContextClass parent_class;
+};
/* Forward declarations */
-static void gdk_window_cache_destroy (GdkWindowCache *cache);
-
-static void motif_read_target_table (void);
-static GdkFilterReturn motif_dnd_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data);
-
-static GdkFilterReturn xdnd_enter_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data);
-
-static GdkFilterReturn xdnd_leave_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data);
+static GdkWindowCache *gdk_window_cache_get (GdkScreen *screen);
+static GdkWindowCache *gdk_window_cache_ref (GdkWindowCache *cache);
+static void gdk_window_cache_unref (GdkWindowCache *cache);
+static GdkFilterReturn xdnd_enter_filter (GdkXEvent *xev,
+ GdkEvent *event,
+ gpointer data);
+static GdkFilterReturn xdnd_leave_filter (GdkXEvent *xev,
+ GdkEvent *event,
+ gpointer data);
static GdkFilterReturn xdnd_position_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data);
-
-static GdkFilterReturn xdnd_status_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data);
-
+ GdkEvent *event,
+ gpointer data);
+static GdkFilterReturn xdnd_status_filter (GdkXEvent *xev,
+ GdkEvent *event,
+ gpointer data);
static GdkFilterReturn xdnd_finished_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data);
-
-static GdkFilterReturn xdnd_drop_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data);
+ GdkEvent *event,
+ gpointer data);
+static GdkFilterReturn xdnd_drop_filter (GdkXEvent *xev,
+ GdkEvent *event,
+ gpointer data);
static void xdnd_manage_source_filter (GdkDragContext *context,
- GdkWindow *window,
- gboolean add_filter);
-
-static void gdk_drag_context_init (GdkDragContext *dragcontext);
-static void gdk_drag_context_class_init (GdkDragContextClass *klass);
-static void gdk_drag_context_finalize (GObject *object);
+ GdkWindow *window,
+ gboolean add_filter);
-static gpointer parent_class = NULL;
static GList *contexts;
+static GSList *window_caches;
+
+static const struct {
+ const char *atom_name;
+ GdkFilterFunc func;
+} xdnd_filters[] = {
+ { "XdndEnter", xdnd_enter_filter },
+ { "XdndLeave", xdnd_leave_filter },
+ { "XdndPosition", xdnd_position_filter },
+ { "XdndStatus", xdnd_status_filter },
+ { "XdndFinished", xdnd_finished_filter },
+ { "XdndDrop", xdnd_drop_filter },
+};
-GType
-gdk_drag_context_get_type (void)
-{
- static GType object_type = 0;
- if (!object_type)
- {
- static const GTypeInfo object_info =
- {
- sizeof (GdkDragContextClass),
- (GBaseInitFunc) NULL,
- (GBaseFinalizeFunc) NULL,
- (GClassInitFunc) gdk_drag_context_class_init,
- NULL, /* class_finalize */
- NULL, /* class_data */
- sizeof (GdkDragContext),
- 0, /* n_preallocs */
- (GInstanceInitFunc) gdk_drag_context_init,
- };
-
- object_type = g_type_register_static (G_TYPE_OBJECT,
- "GdkDragContext",
- &object_info);
- }
-
- return object_type;
-}
+G_DEFINE_TYPE (GdkX11DragContext, gdk_x11_drag_context, GDK_TYPE_DRAG_CONTEXT)
static void
-gdk_drag_context_init (GdkDragContext *dragcontext)
-{
- GdkDragContextPrivateX11 *private;
-
- private = g_new0 (GdkDragContextPrivateX11, 1);
-
- dragcontext->windowing_data = private;
-
- contexts = g_list_prepend (contexts, dragcontext);
-}
+gdk_x11_drag_context_init (GdkX11DragContext *context)
+{
+ contexts = g_list_prepend (contexts, context);
+}
+
+static void gdk_x11_drag_context_finalize (GObject *object);
+static GdkWindow * gdk_x11_drag_context_find_window (GdkDragContext *context,
+ GdkWindow *drag_window,
+ GdkScreen *screen,
+ gint x_root,
+ gint y_root,
+ GdkDragProtocol *protocol);
+static gboolean gdk_x11_drag_context_drag_motion (GdkDragContext *context,
+ GdkWindow *dest_window,
+ GdkDragProtocol protocol,
+ gint x_root,
+ gint y_root,
+ GdkDragAction suggested_action,
+ GdkDragAction possible_actions,
+ guint32 time);
+static void gdk_x11_drag_context_drag_status (GdkDragContext *context,
+ GdkDragAction action,
+ guint32 time_);
+static void gdk_x11_drag_context_drag_abort (GdkDragContext *context,
+ guint32 time_);
+static void gdk_x11_drag_context_drag_drop (GdkDragContext *context,
+ guint32 time_);
+static void gdk_x11_drag_context_drop_reply (GdkDragContext *context,
+ gboolean accept,
+ guint32 time_);
+static void gdk_x11_drag_context_drop_finish (GdkDragContext *context,
+ gboolean success,
+ guint32 time_);
+static gboolean gdk_x11_drag_context_drop_status (GdkDragContext *context);
+static GdkAtom gdk_x11_drag_context_get_selection (GdkDragContext *context);
static void
-gdk_drag_context_class_init (GdkDragContextClass *klass)
+gdk_x11_drag_context_class_init (GdkX11DragContextClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GdkDragContextClass *context_class = GDK_DRAG_CONTEXT_CLASS (klass);
- parent_class = g_type_class_peek_parent (klass);
+ object_class->finalize = gdk_x11_drag_context_finalize;
- object_class->finalize = gdk_drag_context_finalize;
+ context_class->find_window = gdk_x11_drag_context_find_window;
+ context_class->drag_status = gdk_x11_drag_context_drag_status;
+ context_class->drag_motion = gdk_x11_drag_context_drag_motion;
+ context_class->drag_abort = gdk_x11_drag_context_drag_abort;
+ context_class->drag_drop = gdk_x11_drag_context_drag_drop;
+ context_class->drop_reply = gdk_x11_drag_context_drop_reply;
+ context_class->drop_finish = gdk_x11_drag_context_drop_finish;
+ context_class->drop_status = gdk_x11_drag_context_drop_status;
+ context_class->get_selection = gdk_x11_drag_context_get_selection;
}
static void
-gdk_drag_context_finalize (GObject *object)
+gdk_x11_drag_context_finalize (GObject *object)
{
GdkDragContext *context = GDK_DRAG_CONTEXT (object);
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
-
- g_list_free (context->targets);
+ GdkX11DragContext *x11_context = GDK_X11_DRAG_CONTEXT (object);
if (context->source_window)
{
- if ((context->protocol == GDK_DRAG_PROTO_XDND) &&
- !context->is_source)
+ if ((context->protocol == GDK_DRAG_PROTO_XDND) && !context->is_source)
xdnd_manage_source_filter (context, context->source_window, FALSE);
-
- gdk_window_unref (context->source_window);
}
-
- if (context->dest_window)
- gdk_window_unref (context->dest_window);
-
- if (private->window_cache)
- gdk_window_cache_destroy (private->window_cache);
-
- contexts = g_list_remove (contexts, context);
-
- g_free (private);
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-/* Drag Contexts */
-
-GdkDragContext *
-gdk_drag_context_new (void)
-{
- return g_object_new (gdk_drag_context_get_type (), NULL);
-}
+ g_slist_free_full (x11_context->window_caches, (GDestroyNotify)gdk_window_cache_unref);
+ x11_context->window_caches = NULL;
-void
-gdk_drag_context_ref (GdkDragContext *context)
-{
- g_return_if_fail (GDK_IS_DRAG_CONTEXT (context));
+ contexts = g_list_remove (contexts, context);
- g_object_ref (G_OBJECT (context));
+ G_OBJECT_CLASS (gdk_x11_drag_context_parent_class)->finalize (object);
}
-void
-gdk_drag_context_unref (GdkDragContext *context)
-{
- g_return_if_fail (GDK_IS_DRAG_CONTEXT (context));
-
- g_object_unref (G_OBJECT (context));
-}
+/* Drag Contexts */
static GdkDragContext *
-gdk_drag_context_find (gboolean is_source,
- Window source_xid,
- Window dest_xid)
+gdk_drag_context_find (GdkDisplay *display,
+ gboolean is_source,
+ Window source_xid,
+ Window dest_xid)
{
- GList *tmp_list = contexts;
+ GList *tmp_list;
GdkDragContext *context;
- GdkDragContextPrivateX11 *private;
+ GdkX11DragContext *context_x11;
Window context_dest_xid;
- while (tmp_list)
+ for (tmp_list = contexts; tmp_list; tmp_list = tmp_list->next)
{
context = (GdkDragContext *)tmp_list->data;
- private = PRIVATE_DATA (context);
+ context_x11 = (GdkX11DragContext *)context;
+
+ if ((context->source_window && gdk_window_get_display (context->source_window) != display) ||
+ (context->dest_window && gdk_window_get_display (context->dest_window) != display))
+ continue;
- context_dest_xid = context->dest_window ?
- (private->drop_xid ?
- private->drop_xid :
- GDK_DRAWABLE_XID (context->dest_window)) :
- None;
+ context_dest_xid = context->dest_window
+ ? (context_x11->drop_xid
+ ? context_x11->drop_xid
+ : GDK_WINDOW_XID (context->dest_window))
+ : None;
if ((!context->is_source == !is_source) &&
- ((source_xid == None) || (context->source_window &&
- (GDK_DRAWABLE_XID (context->source_window) == source_xid))) &&
- ((dest_xid == None) || (context_dest_xid == dest_xid)))
- return context;
-
- tmp_list = tmp_list->next;
+ ((source_xid == None) || (context->source_window &&
+ (GDK_WINDOW_XID (context->source_window) == source_xid))) &&
+ ((dest_xid == None) || (context_dest_xid == dest_xid)))
+ return context;
}
-
+
return NULL;
}
+static void
+precache_target_list (GdkDragContext *context)
+{
+ if (context->targets)
+ {
+ GPtrArray *targets = g_ptr_array_new ();
+ GList *tmp_list;
+ int i;
+
+ for (tmp_list = context->targets; tmp_list; tmp_list = tmp_list->next)
+ g_ptr_array_add (targets, gdk_atom_name (GDK_POINTER_TO_ATOM (tmp_list->data)));
+
+ _gdk_x11_precache_atoms (GDK_WINDOW_DISPLAY (context->source_window),
+ (const gchar **)targets->pdata,
+ targets->len);
+
+ for (i =0; i < targets->len; i++)
+ g_free (targets->pdata[i]);
+
+ g_ptr_array_free (targets, TRUE);
+ }
+}
+
/* Utility functions */
+static void
+free_cache_child (GdkCacheChild *child,
+ GdkDisplay *display)
+{
+ if (child->shape)
+ cairo_region_destroy (child->shape);
+
+ if (child->shape_selected && display)
+ {
+ GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
+
+ XShapeSelectInput (display_x11->xdisplay, child->xid, 0);
+ }
+
+ g_free (child);
+}
+
static void
gdk_window_cache_add (GdkWindowCache *cache,
- guint32 xid,
- gint x, gint y, gint width, gint height,
- gboolean mapped)
+ guint32 xid,
+ gint x,
+ gint y,
+ gint width,
+ gint height,
+ gboolean mapped)
{
GdkCacheChild *child = g_new (GdkCacheChild, 1);
child->width = width;
child->height = height;
child->mapped = mapped;
+ child->shape_selected = FALSE;
+ child->shape_valid = FALSE;
+ child->shape = NULL;
cache->children = g_list_prepend (cache->children, child);
- g_hash_table_insert (cache->child_hash, GUINT_TO_POINTER (xid),
- cache->children);
+ g_hash_table_insert (cache->child_hash, GUINT_TO_POINTER (xid),
+ cache->children);
+}
+
+static GdkFilterReturn
+gdk_window_cache_shape_filter (GdkXEvent *xev,
+ GdkEvent *event,
+ gpointer data)
+{
+ XEvent *xevent = (XEvent *)xev;
+ GdkWindowCache *cache = data;
+
+ GdkX11Display *display = GDK_X11_DISPLAY (gdk_screen_get_display (cache->screen));
+
+ if (display->have_shapes &&
+ xevent->type == display->shape_event_base + ShapeNotify)
+ {
+ XShapeEvent *xse = (XShapeEvent*)xevent;
+ GList *node;
+
+ node = g_hash_table_lookup (cache->child_hash,
+ GUINT_TO_POINTER (xse->window));
+ if (node)
+ {
+ GdkCacheChild *child = node->data;
+ child->shape_valid = FALSE;
+ if (child->shape)
+ {
+ cairo_region_destroy (child->shape);
+ child->shape = NULL;
+ }
+ }
+
+ return GDK_FILTER_REMOVE;
+ }
+
+ return GDK_FILTER_CONTINUE;
}
static GdkFilterReturn
gdk_window_cache_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data)
+ GdkEvent *event,
+ gpointer data)
{
XEvent *xevent = (XEvent *)xev;
GdkWindowCache *cache = data;
break;
case ConfigureNotify:
{
- XConfigureEvent *xce = &xevent->xconfigure;
- GList *node;
-
- node = g_hash_table_lookup (cache->child_hash,
- GUINT_TO_POINTER (xce->window));
- if (node)
- {
- GdkCacheChild *child = node->data;
- child->x = xce->x;
- child->y = xce->y;
- child->width = xce->width;
- child->height = xce->height;
- if (xce->above == None && (node->next))
- {
- GList *last = g_list_last (cache->children);
- cache->children = g_list_remove_link (cache->children, node);
- last->next = node;
- node->next = NULL;
- node->prev = last;
- }
- else
- {
- GList *above_node = g_hash_table_lookup (cache->child_hash,
- GUINT_TO_POINTER (xce->above));
- if (above_node && node->prev != above_node)
- {
- cache->children = g_list_remove_link (cache->children, node);
- node->next = above_node->next;
- if (node->next)
- node->next->prev = node;
- node->prev = above_node;
- above_node->next = node;
- }
- }
- }
- break;
+ XConfigureEvent *xce = &xevent->xconfigure;
+ GList *node;
+
+ node = g_hash_table_lookup (cache->child_hash,
+ GUINT_TO_POINTER (xce->window));
+ if (node)
+ {
+ GdkCacheChild *child = node->data;
+ child->x = xce->x;
+ child->y = xce->y;
+ child->width = xce->width;
+ child->height = xce->height;
+ if (xce->above == None && (node->next))
+ {
+ GList *last = g_list_last (cache->children);
+ cache->children = g_list_remove_link (cache->children, node);
+ last->next = node;
+ node->next = NULL;
+ node->prev = last;
+ }
+ else
+ {
+ GList *above_node = g_hash_table_lookup (cache->child_hash,
+ GUINT_TO_POINTER (xce->above));
+ if (above_node && node->next != above_node)
+ {
+ /* Put the window above (before in the list) above_node */
+ cache->children = g_list_remove_link (cache->children, node);
+ node->prev = above_node->prev;
+ if (node->prev)
+ node->prev->next = node;
+ else
+ cache->children = node;
+ node->next = above_node;
+ above_node->prev = node;
+ }
+ }
+ }
+ break;
}
case CreateNotify:
{
- XCreateWindowEvent *xcwe = &xevent->xcreatewindow;
-
- if (!g_hash_table_lookup (cache->child_hash,
- GUINT_TO_POINTER (xcwe->window)))
- gdk_window_cache_add (cache, xcwe->window,
- xcwe->x, xcwe->y, xcwe->width, xcwe->height,
- FALSE);
- break;
+ XCreateWindowEvent *xcwe = &xevent->xcreatewindow;
+
+ if (!g_hash_table_lookup (cache->child_hash,
+ GUINT_TO_POINTER (xcwe->window)))
+ gdk_window_cache_add (cache, xcwe->window,
+ xcwe->x, xcwe->y, xcwe->width, xcwe->height,
+ FALSE);
+ break;
}
case DestroyNotify:
{
- XDestroyWindowEvent *xdwe = &xevent->xdestroywindow;
- GList *node;
-
- node = g_hash_table_lookup (cache->child_hash,
- GUINT_TO_POINTER (xdwe->window));
- if (node)
- {
- g_hash_table_remove (cache->child_hash,
- GUINT_TO_POINTER (xdwe->window));
- cache->children = g_list_remove_link (cache->children, node);
- g_free (node->data);
- g_list_free_1 (node);
- }
- break;
+ XDestroyWindowEvent *xdwe = &xevent->xdestroywindow;
+ GList *node;
+
+ node = g_hash_table_lookup (cache->child_hash,
+ GUINT_TO_POINTER (xdwe->window));
+ if (node)
+ {
+ GdkCacheChild *child = node->data;
+
+ g_hash_table_remove (cache->child_hash,
+ GUINT_TO_POINTER (xdwe->window));
+ cache->children = g_list_remove_link (cache->children, node);
+ /* window is destroyed, no need to disable ShapeNotify */
+ free_cache_child (child, NULL);
+ g_list_free_1 (node);
+ }
+ break;
}
case MapNotify:
{
- XMapEvent *xme = &xevent->xmap;
- GList *node;
-
- node = g_hash_table_lookup (cache->child_hash,
- GUINT_TO_POINTER (xme->window));
- if (node)
- {
- GdkCacheChild *child = node->data;
- child->mapped = TRUE;
- }
- break;
+ XMapEvent *xme = &xevent->xmap;
+ GList *node;
+
+ node = g_hash_table_lookup (cache->child_hash,
+ GUINT_TO_POINTER (xme->window));
+ if (node)
+ {
+ GdkCacheChild *child = node->data;
+ child->mapped = TRUE;
+ }
+ break;
}
case ReparentNotify:
break;
case UnmapNotify:
{
- XMapEvent *xume = &xevent->xmap;
- GList *node;
-
- node = g_hash_table_lookup (cache->child_hash,
- GUINT_TO_POINTER (xume->window));
- if (node)
- {
- GdkCacheChild *child = node->data;
- child->mapped = FALSE;
- }
- break;
+ XMapEvent *xume = &xevent->xmap;
+ GList *node;
+
+ node = g_hash_table_lookup (cache->child_hash,
+ GUINT_TO_POINTER (xume->window));
+ if (node)
+ {
+ GdkCacheChild *child = node->data;
+ child->mapped = FALSE;
+ }
+ break;
}
default:
return GDK_FILTER_CONTINUE;
}
static GdkWindowCache *
-gdk_window_cache_new (void)
+gdk_window_cache_new (GdkScreen *screen)
{
XWindowAttributes xwa;
- Window root, parent, *children;
- unsigned int nchildren;
- int i;
-
- gint old_warnings = gdk_error_warnings;
-
+ Display *xdisplay = GDK_SCREEN_XDISPLAY (screen);
+ GdkWindow *root_window = gdk_screen_get_root_window (screen);
+ GdkChildInfoX11 *children;
+ guint nchildren, i;
+#ifdef HAVE_XCOMPOSITE
+ Window cow;
+#endif
+
GdkWindowCache *result = g_new (GdkWindowCache, 1);
result->children = NULL;
result->child_hash = g_hash_table_new (g_direct_hash, NULL);
+ result->screen = screen;
+ result->ref_count = 1;
- XGetWindowAttributes (gdk_display, gdk_root_window, &xwa);
+ XGetWindowAttributes (xdisplay, GDK_WINDOW_XID (root_window), &xwa);
result->old_event_mask = xwa.your_event_mask;
- XSelectInput (gdk_display, gdk_root_window,
- result->old_event_mask | SubstructureNotifyMask);
- gdk_window_add_filter (gdk_parent_root,
- gdk_window_cache_filter, result);
-
- gdk_error_code = 0;
- gdk_error_warnings = 0;
-
- if (XQueryTree(gdk_display, gdk_root_window,
- &root, &parent, &children, &nchildren) == 0)
+
+ if (G_UNLIKELY (!GDK_X11_DISPLAY (GDK_X11_SCREEN (screen)->display)->trusted_client))
+ {
+ GList *toplevel_windows, *list;
+ GdkWindow *window;
+ gint x, y, width, height;
+
+ toplevel_windows = gdk_screen_get_toplevel_windows (screen);
+ for (list = toplevel_windows; list; list = list->next)
+ {
+ window = GDK_WINDOW (list->data);
+ gdk_window_get_geometry (window, &x, &y, &width, &height);
+ gdk_window_cache_add (result, GDK_WINDOW_XID (window),
+ x, y, width, height,
+ gdk_window_is_visible (window));
+ }
+ g_list_free (toplevel_windows);
+ return result;
+ }
+
+ XSelectInput (xdisplay, GDK_WINDOW_XID (root_window),
+ result->old_event_mask | SubstructureNotifyMask);
+ gdk_window_add_filter (root_window, gdk_window_cache_filter, result);
+ gdk_window_add_filter (NULL, gdk_window_cache_shape_filter, result);
+
+ if (!_gdk_x11_get_window_child_info (gdk_screen_get_display (screen),
+ GDK_WINDOW_XID (root_window),
+ FALSE, NULL,
+ &children, &nchildren))
return result;
-
+
for (i = 0; i < nchildren ; i++)
{
- XGetWindowAttributes (gdk_display, children[i], &xwa);
-
- gdk_window_cache_add (result, children[i],
- xwa.x, xwa.y, xwa.width, xwa.height,
- xwa.map_state != IsUnmapped);
-
- if (gdk_error_code)
- gdk_error_code = 0;
- else
- {
- gdk_window_cache_add (result, children[i],
- xwa.x, xwa.y, xwa.width, xwa.height,
- (xwa.map_state != IsUnmapped));
- }
+ gdk_window_cache_add (result, children[i].window,
+ children[i].x, children[i].y, children[i].width, children[i].height,
+ children[i].is_mapped);
}
- XFree (children);
+ g_free (children);
- gdk_error_warnings = old_warnings;
+#ifdef HAVE_XCOMPOSITE
+ /*
+ * Add the composite overlay window to the cache, as this can be a reasonable
+ * Xdnd proxy as well.
+ * This is only done when the screen is composited in order to avoid mapping
+ * the COW. We assume that the CM is using the COW (which is true for pretty
+ * much any CM currently in use).
+ */
+ if (gdk_screen_is_composited (screen))
+ {
+ cow = XCompositeGetOverlayWindow (xdisplay, GDK_WINDOW_XID (root_window));
+ gdk_window_cache_add (result, cow, 0, 0, gdk_screen_get_width (screen), gdk_screen_get_height (screen), TRUE);
+ XCompositeReleaseOverlayWindow (xdisplay, GDK_WINDOW_XID (root_window));
+ }
+#endif
return result;
}
static void
gdk_window_cache_destroy (GdkWindowCache *cache)
{
- XSelectInput (gdk_display, gdk_root_window, cache->old_event_mask);
- gdk_window_remove_filter (gdk_parent_root,
- gdk_window_cache_filter, cache);
+ GdkWindow *root_window = gdk_screen_get_root_window (cache->screen);
+ GdkDisplay *display;
+
+ XSelectInput (GDK_WINDOW_XDISPLAY (root_window),
+ GDK_WINDOW_XID (root_window),
+ cache->old_event_mask);
+ gdk_window_remove_filter (root_window, gdk_window_cache_filter, cache);
+ gdk_window_remove_filter (NULL, gdk_window_cache_shape_filter, cache);
+
+ display = gdk_screen_get_display (cache->screen);
+
+ gdk_x11_display_error_trap_push (display);
+ g_list_foreach (cache->children, (GFunc)free_cache_child, display);
+ gdk_x11_display_error_trap_pop_ignored (display);
- g_list_foreach (cache->children, (GFunc)g_free, NULL);
g_list_free (cache->children);
g_hash_table_destroy (cache->child_hash);
g_free (cache);
}
-static Window
-get_client_window_at_coords_recurse (Window win,
- gint x,
- gint y)
+static GdkWindowCache *
+gdk_window_cache_ref (GdkWindowCache *cache)
{
- Window root, tmp_parent, *children;
- unsigned int nchildren;
- int i;
- Window child = None;
- Atom type = None;
- int format;
- unsigned long nitems, after;
- unsigned char *data;
-
- static Atom wm_state_atom = None;
-
- if (!wm_state_atom)
- wm_state_atom = gdk_atom_intern ("WM_STATE", FALSE);
-
- XGetWindowProperty (gdk_display, win,
- wm_state_atom, 0, 0, False, AnyPropertyType,
- &type, &format, &nitems, &after, &data);
-
- if (gdk_error_code)
- {
- gdk_error_code = 0;
+ cache->ref_count += 1;
- return None;
- }
+ return cache;
+}
- if (type != None)
- {
- XFree (data);
- return win;
- }
+static void
+gdk_window_cache_unref (GdkWindowCache *cache)
+{
+ g_assert (cache->ref_count > 0);
-#if 0
- /* This is beautiful! Damn Enlightenment and click-to-focus */
- XTranslateCoordinates (gdk_display, gdk_root_window, win,
- x_root, y_root, &dest_x, &dest_y, &child);
+ cache->ref_count -= 1;
- if (gdk_error_code)
+ if (cache->ref_count == 0)
{
- gdk_error_code = 0;
-
- return None;
+ window_caches = g_slist_remove (window_caches, cache);
+ gdk_window_cache_destroy (cache);
}
-
-#else
- if (XQueryTree(gdk_display, win,
- &root, &tmp_parent, &children, &nchildren) == 0)
- return 0;
+}
- if (!gdk_error_code)
+GdkWindowCache *
+gdk_window_cache_get (GdkScreen *screen)
+{
+ GSList *list;
+ GdkWindowCache *cache;
+
+ for (list = window_caches; list; list = list->next)
{
- for (i = nchildren - 1; (i >= 0) && (child == None); i--)
- {
- XWindowAttributes xwa;
-
- XGetWindowAttributes (gdk_display, children[i], &xwa);
-
- if (gdk_error_code)
- gdk_error_code = 0;
- else if ((xwa.map_state == IsViewable) && (xwa.class == InputOutput) &&
- (x >= xwa.x) && (x < xwa.x + (gint)xwa.width) &&
- (y >= xwa.y) && (y < xwa.y + (gint)xwa.height))
- {
- x -= xwa.x;
- y -= xwa.y;
- child = children[i];
- }
- }
-
- XFree (children);
+ cache = list->data;
+ if (cache->screen == screen)
+ return gdk_window_cache_ref (cache);
}
- else
- gdk_error_code = 0;
-#endif
-
- if (child)
- return get_client_window_at_coords_recurse (child, x, y);
- else
- return None;
-}
-static Window
-get_client_window_at_coords (GdkWindowCache *cache,
- Window ignore,
- gint x_root,
- gint y_root)
-{
- GList *tmp_list;
- Window retval = None;
+ cache = gdk_window_cache_new (screen);
- gint old_warnings = gdk_error_warnings;
-
- gdk_error_code = 0;
- gdk_error_warnings = 0;
+ window_caches = g_slist_prepend (window_caches, cache);
- tmp_list = cache->children;
+ return cache;
+}
- while (tmp_list && !retval)
- {
- GdkCacheChild *child = tmp_list->data;
+static gboolean
+is_pointer_within_shape (GdkDisplay *display,
+ GdkCacheChild *child,
+ gint x_pos,
+ gint y_pos)
+{
+ if (!child->shape_selected)
+ {
+ GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
+
+ XShapeSelectInput (display_x11->xdisplay, child->xid, ShapeNotifyMask);
+ child->shape_selected = TRUE;
+ }
+ if (!child->shape_valid)
+ {
+ GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
+ cairo_region_t *input_shape;
+
+ child->shape = NULL;
+ if (gdk_display_supports_shapes (display))
+ child->shape = _gdk_x11_xwindow_get_shape (display_x11->xdisplay,
+ child->xid, ShapeBounding);
+#ifdef ShapeInput
+ input_shape = NULL;
+ if (gdk_display_supports_input_shapes (display))
+ input_shape = _gdk_x11_xwindow_get_shape (display_x11->xdisplay,
+ child->xid, ShapeInput);
+
+ if (child->shape && input_shape)
+ {
+ cairo_region_intersect (child->shape, input_shape);
+ cairo_region_destroy (input_shape);
+ }
+ else if (input_shape)
+ {
+ child->shape = input_shape;
+ }
+#endif
- if ((child->xid != ignore) && (child->mapped))
- {
- if ((x_root >= child->x) && (x_root < child->x + child->width) &&
- (y_root >= child->y) && (y_root < child->y + child->height))
- {
- retval = get_client_window_at_coords_recurse (child->xid,
- x_root - child->x,
- y_root - child->y);
- if (!retval)
- retval = child->xid;
- }
-
- }
- tmp_list = tmp_list->next;
+ child->shape_valid = TRUE;
}
- gdk_error_warnings = old_warnings;
- if (retval)
- return retval;
- else
- return gdk_root_window;
+ return child->shape == NULL ||
+ cairo_region_contains_point (child->shape, x_pos, y_pos);
}
-#if 0
static Window
-get_client_window_at_coords_recurse (Window win,
- gint x_root,
- gint y_root)
+get_client_window_at_coords_recurse (GdkDisplay *display,
+ Window win,
+ gboolean is_toplevel,
+ gint x,
+ gint y)
{
- Window child;
- Atom type = None;
- int format;
- unsigned long nitems, after;
- unsigned char *data;
- int dest_x, dest_y;
-
- static Atom wm_state_atom = None;
-
- if (!wm_state_atom)
- wm_state_atom = gdk_atom_intern ("WM_STATE", FALSE);
-
- XGetWindowProperty (gdk_display, win,
- wm_state_atom, 0, 0, False, AnyPropertyType,
- &type, &format, &nitems, &after, &data);
-
- if (gdk_error_code)
- {
- gdk_error_code = 0;
+ GdkChildInfoX11 *children;
+ unsigned int nchildren;
+ int i;
+ gboolean found_child = FALSE;
+ GdkChildInfoX11 child = { 0, };
+ gboolean has_wm_state = FALSE;
- return None;
- }
+ if (!_gdk_x11_get_window_child_info (display, win, TRUE,
+ is_toplevel? &has_wm_state : NULL,
+ &children, &nchildren))
+ return None;
- if (type != None)
+ if (has_wm_state)
{
- XFree (data);
+ g_free (children);
+
return win;
}
- XTranslateCoordinates (gdk_display, gdk_root_window, win,
- x_root, y_root, &dest_x, &dest_y, &child);
-
- if (gdk_error_code)
+ for (i = nchildren - 1; (i >= 0) && !found_child; i--)
{
- gdk_error_code = 0;
+ GdkChildInfoX11 *cur_child = &children[i];
- return None;
+ if ((cur_child->is_mapped) && (cur_child->window_class == InputOutput) &&
+ (x >= cur_child->x) && (x < cur_child->x + cur_child->width) &&
+ (y >= cur_child->y) && (y < cur_child->y + cur_child->height))
+ {
+ x -= cur_child->x;
+ y -= cur_child->y;
+ child = *cur_child;
+ found_child = TRUE;
+ }
}
- if (child)
- return get_client_window_at_coords_recurse (child, x_root, y_root);
+ g_free (children);
+
+ if (found_child)
+ {
+ if (child.has_wm_state)
+ return child.window;
+ else
+ return get_client_window_at_coords_recurse (display, child.window, FALSE, x, y);
+ }
else
return None;
}
-static Window
-get_client_window_at_coords (Window ignore,
- gint x_root,
- gint y_root)
+static Window
+get_client_window_at_coords (GdkWindowCache *cache,
+ Window ignore,
+ gint x_root,
+ gint y_root)
{
- Window root, parent, *children;
- unsigned int nchildren;
- int i;
+ GList *tmp_list;
Window retval = None;
-
- gint old_warnings = gdk_error_warnings;
-
- gdk_error_code = 0;
- gdk_error_warnings = 0;
-
- if (XQueryTree(gdk_display, gdk_root_window,
- &root, &parent, &children, &nchildren) == 0)
- return 0;
+ GdkDisplay *display;
+
+ display = gdk_screen_get_display (cache->screen);
- for (i = nchildren - 1; (i >= 0) && (retval == None); i--)
+ gdk_x11_display_error_trap_push (display);
+
+ tmp_list = cache->children;
+
+ while (tmp_list && !retval)
{
- if (children[i] != ignore)
- {
- XWindowAttributes xwa;
-
- XGetWindowAttributes (gdk_display, children[i], &xwa);
-
- if (gdk_error_code)
- gdk_error_code = 0;
- else if ((xwa.map_state == IsViewable) &&
- (x_root >= xwa.x) && (x_root < xwa.x + (gint)xwa.width) &&
- (y_root >= xwa.y) && (y_root < xwa.y + (gint)xwa.height))
- {
- retval = get_client_window_at_coords_recurse (children[i],
- x_root, y_root);
- if (!retval)
- retval = children[i];
- }
- }
+ GdkCacheChild *child = tmp_list->data;
+
+ if ((child->xid != ignore) && (child->mapped))
+ {
+ if ((x_root >= child->x) && (x_root < child->x + child->width) &&
+ (y_root >= child->y) && (y_root < child->y + child->height))
+ {
+ if (!is_pointer_within_shape (display, child,
+ x_root - child->x,
+ y_root - child->y))
+ {
+ tmp_list = tmp_list->next;
+ continue;
+ }
+
+ retval = get_client_window_at_coords_recurse (display,
+ child->xid, TRUE,
+ x_root - child->x,
+ y_root - child->y);
+ if (!retval)
+ retval = child->xid;
+ }
+ }
+ tmp_list = tmp_list->next;
}
- XFree (children);
+ gdk_x11_display_error_trap_pop_ignored (display);
- gdk_error_warnings = old_warnings;
if (retval)
return retval;
else
- return gdk_root_window;
+ return GDK_WINDOW_XID (gdk_screen_get_root_window (cache->screen));
}
-#endif
-
-/*************************************************************
- ***************************** MOTIF *************************
- *************************************************************/
-
-/* values used in the message type for Motif DND */
-enum {
- XmTOP_LEVEL_ENTER,
- XmTOP_LEVEL_LEAVE,
- XmDRAG_MOTION,
- XmDROP_SITE_ENTER,
- XmDROP_SITE_LEAVE,
- XmDROP_START,
- XmDROP_FINISH,
- XmDRAG_DROP_FINISH,
- XmOPERATION_CHANGED
-};
-
-/* Values used to specify type of protocol to use */
-enum {
- XmDRAG_NONE,
- XmDRAG_DROP_ONLY,
- XmDRAG_PREFER_PREREGISTER,
- XmDRAG_PREREGISTER,
- XmDRAG_PREFER_DYNAMIC,
- XmDRAG_DYNAMIC,
- XmDRAG_PREFER_RECEIVER
-};
-
-/* Operation codes */
-enum {
- XmDROP_NOOP,
- XmDROP_MOVE = 0x01,
- XmDROP_COPY = 0x02,
- XmDROP_LINK = 0x04
-};
-
-/* Drop site status */
-enum {
- XmNO_DROP_SITE = 0x01,
- XmDROP_SITE_INVALID = 0x02,
- XmDROP_SITE_VALID = 0x03
-};
-
-/* completion status */
-enum {
- XmDROP,
- XmDROP_HELP,
- XmDROP_CANCEL,
- XmDROP_INTERRUPT
-};
-
-/* Static data for MOTIF DND */
-static GList **motif_target_lists = NULL;
-static gint motif_n_target_lists = -1;
-
-/* Byte swapping routines. The motif specification leaves it
- * up to us to save a few bytes in the client messages
- */
-static gchar local_byte_order = '\0';
#ifdef G_ENABLE_DEBUG
static void
{
while (targets)
{
- gchar *name = gdk_atom_name (GPOINTER_TO_INT (targets->data));
+ gchar *name = gdk_atom_name (GDK_POINTER_TO_ATOM (targets->data));
g_message ("\t%s", name);
g_free (name);
targets = targets->next;
}
#endif /* G_ENABLE_DEBUG */
-static void
-init_byte_order (void)
-{
- guint32 myint = 0x01020304;
- local_byte_order = (*(gchar *)&myint == 1) ? 'B' : 'l';
-}
-
-static guint16
-card16_to_host (guint16 x, gchar byte_order) {
- if (byte_order == local_byte_order)
- return x;
- else
- return (x << 8) | (x >> 8);
-}
+/*************************************************************
+ ***************************** XDND **************************
+ *************************************************************/
-static guint32
-card32_to_host (guint32 x, gchar byte_order) {
- if (byte_order == local_byte_order)
- return x;
- else
- return (x << 24) | ((x & 0xff00) << 8) | ((x & 0xff0000) >> 8) | (x >> 24);
-}
+/* Utility functions */
-/* Motif packs together fields of varying length into the
- * client message. We can't rely on accessing these
- * through data.s[], data.l[], etc, because on some architectures
- * (i.e., Alpha) these won't be valid for format == 8.
- */
+static struct {
+ const gchar *name;
+ GdkAtom atom;
+ GdkDragAction action;
+} xdnd_actions_table[] = {
+ { "XdndActionCopy", None, GDK_ACTION_COPY },
+ { "XdndActionMove", None, GDK_ACTION_MOVE },
+ { "XdndActionLink", None, GDK_ACTION_LINK },
+ { "XdndActionAsk", None, GDK_ACTION_ASK },
+ { "XdndActionPrivate", None, GDK_ACTION_COPY },
+ };
-#define MOTIF_XCLIENT_BYTE(xevent,i) \
- (xevent)->xclient.data.b[i]
-#define MOTIF_XCLIENT_SHORT(xevent,i) \
- ((gint16 *)&((xevent)->xclient.data.b[0]))[i]
-#define MOTIF_XCLIENT_LONG(xevent,i) \
- ((gint32 *)&((xevent)->xclient.data.b[0]))[i]
-
-#define MOTIF_UNPACK_BYTE(xevent,i) MOTIF_XCLIENT_BYTE(xevent,i)
-#define MOTIF_UNPACK_SHORT(xevent,i) \
- card16_to_host (MOTIF_XCLIENT_SHORT(xevent,i), MOTIF_XCLIENT_BYTE(xevent, 1))
-#define MOTIF_UNPACK_LONG(xevent,i) \
- card32_to_host (MOTIF_XCLIENT_LONG(xevent,i), MOTIF_XCLIENT_BYTE(xevent, 1))
-
-/***** Dest side ***********/
-
-/* Property placed on source windows */
-typedef struct _MotifDragInitiatorInfo {
- guint8 byte_order;
- guint8 protocol_version;
- guint16 targets_index;
- guint32 selection_atom;
-} MotifDragInitiatorInfo;
-
-/* Header for target table on the drag window */
-typedef struct _MotifTargetTableHeader {
- guchar byte_order;
- guchar protocol_version;
- guint16 n_lists;
- guint32 total_size;
-} MotifTargetTableHeader;
-
-/* Property placed on target windows */
-typedef struct _MotifDragReceiverInfo {
- guint8 byte_order;
- guint8 protocol_version;
- guint8 protocol_style;
- guint8 pad;
- guint32 proxy_window;
- guint16 num_drop_sites;
- guint16 padding;
- guint32 total_size;
-} MotifDragReceiverInfo;
-
-static Window motif_drag_window = None;
-static GdkWindow *motif_drag_gdk_window = NULL;
-
-static GdkAtom motif_drag_targets_atom = GDK_NONE;
-static GdkAtom motif_drag_receiver_info_atom = GDK_NONE;
-
-/* Target table handling */
+static const gint xdnd_n_actions = G_N_ELEMENTS (xdnd_actions_table);
+static gboolean xdnd_actions_initialized = FALSE;
-GdkFilterReturn
-motif_drag_window_filter (GdkXEvent *xevent,
- GdkEvent *event,
- gpointer data)
+static void
+xdnd_initialize_actions (void)
{
- XEvent *xev = (XEvent *)xevent;
+ gint i;
- switch (xev->xany.type)
- {
- case DestroyNotify:
- motif_drag_window = None;
- motif_drag_gdk_window = NULL;
- break;
- case PropertyNotify:
- if (motif_target_lists &&
- motif_drag_targets_atom &&
- (xev->xproperty.atom == motif_drag_targets_atom))
- motif_read_target_table();
- break;
- }
- return GDK_FILTER_REMOVE;
+ xdnd_actions_initialized = TRUE;
+ for (i = 0; i < xdnd_n_actions; i++)
+ xdnd_actions_table[i].atom = gdk_atom_intern_static_string (xdnd_actions_table[i].name);
}
-static Atom motif_drag_window_atom = GDK_NONE;
-
-static Window
-motif_lookup_drag_window (Display *display)
+static GdkDragAction
+xdnd_action_from_atom (GdkDisplay *display,
+ Atom xatom)
{
- Window retval = None;
- gulong bytes_after, nitems;
- GdkAtom type;
- gint format;
- guchar *data;
+ GdkAtom atom;
+ gint i;
- XGetWindowProperty (gdk_display, gdk_root_window, motif_drag_window_atom,
- 0, 1, FALSE,
- XA_WINDOW, &type, &format, &nitems, &bytes_after,
- &data);
-
- if ((format == 32) && (nitems == 1) && (bytes_after == 0))
- {
- retval = *(Window *)data;
- GDK_NOTE(DND,
- g_message ("Found drag window %#lx\n", motif_drag_window));
- }
+ if (xatom == None)
+ return 0;
- if (type != None)
- XFree (data);
+ atom = gdk_x11_xatom_to_atom_for_display (display, xatom);
- return retval;
-}
+ if (!xdnd_actions_initialized)
+ xdnd_initialize_actions();
-/* Finds the window where global Motif drag information is stored.
- * If it doesn't exist and 'create' is TRUE, create one.
- */
-Window
-motif_find_drag_window (gboolean create)
-{
- if (!motif_drag_window)
- {
- if (!motif_drag_window_atom)
- motif_drag_window_atom = gdk_atom_intern ("_MOTIF_DRAG_WINDOW", TRUE);
-
- motif_drag_window = motif_lookup_drag_window (gdk_display);
-
- if (!motif_drag_window && create)
- {
- /* Create a persistant window. (Copied from LessTif) */
-
- Display *display;
- XSetWindowAttributes attr;
- display = XOpenDisplay (gdk_display_name);
- XSetCloseDownMode (display, RetainPermanent);
-
- XGrabServer (display);
-
- motif_drag_window = motif_lookup_drag_window (display);
-
- if (!motif_drag_window)
- {
- attr.override_redirect = True;
- attr.event_mask = PropertyChangeMask;
-
- motif_drag_window =
- XCreateWindow(display, DefaultRootWindow(display),
- -100, -100, 10, 10, 0, 0,
- InputOnly, CopyFromParent,
- (CWOverrideRedirect | CWEventMask), &attr);
-
- GDK_NOTE (DND,
- g_message ("Created drag window %#lx\n", motif_drag_window));
-
- XChangeProperty (display, gdk_root_window,
- motif_drag_window_atom, XA_WINDOW,
- 32, PropModeReplace,
- (guchar *)&motif_drag_window_atom, 1);
-
- }
- XUngrabServer (display);
- XCloseDisplay (display);
- }
-
- /* There is a miniscule race condition here if the drag window
- * gets destroyed exactly now.
- */
- if (motif_drag_window)
- {
- motif_drag_gdk_window = gdk_window_foreign_new (motif_drag_window);
- gdk_window_add_filter (motif_drag_gdk_window,
- motif_drag_window_filter,
- NULL);
- }
- }
+ for (i = 0; i < xdnd_n_actions; i++)
+ if (atom == xdnd_actions_table[i].atom)
+ return xdnd_actions_table[i].action;
- return motif_drag_window;
+ return 0;
}
-static void
-motif_read_target_table (void)
+static Atom
+xdnd_action_to_atom (GdkDisplay *display,
+ GdkDragAction action)
{
- gulong bytes_after, nitems;
- GdkAtom type;
- gint format;
- gint i, j;
+ gint i;
- if (!motif_drag_targets_atom)
- motif_drag_targets_atom = gdk_atom_intern ("_MOTIF_DRAG_TARGETS", FALSE);
+ if (!xdnd_actions_initialized)
+ xdnd_initialize_actions();
- if (motif_target_lists)
- {
- for (i=0; i<motif_n_target_lists; i++)
- g_list_free (motif_target_lists[i]);
-
- g_free (motif_target_lists);
- motif_target_lists = NULL;
- motif_n_target_lists = 0;
- }
+ for (i = 0; i < xdnd_n_actions; i++)
+ if (action == xdnd_actions_table[i].action)
+ return gdk_x11_atom_to_xatom_for_display (display, xdnd_actions_table[i].atom);
- if (motif_find_drag_window (FALSE))
- {
- MotifTargetTableHeader *header = NULL;
- guchar *target_bytes = NULL;
- guchar *p;
- gboolean success = FALSE;
-
- gdk_error_trap_push ();
- XGetWindowProperty (gdk_display, motif_drag_window,
- motif_drag_targets_atom,
- 0, (sizeof(MotifTargetTableHeader)+3)/4, FALSE,
- motif_drag_targets_atom,
- &type, &format, &nitems, &bytes_after,
- (guchar **)&header);
-
- if (gdk_error_trap_pop () || (format != 8) || (nitems < sizeof (MotifTargetTableHeader)))
- goto error;
-
- header->n_lists = card16_to_host (header->n_lists, header->byte_order);
- header->total_size = card32_to_host (header->total_size, header->byte_order);
-
- gdk_error_trap_push ();
- XGetWindowProperty (gdk_display, motif_drag_window, motif_drag_targets_atom,
- (sizeof(MotifTargetTableHeader)+3)/4,
- (header->total_size + 3)/4 - (sizeof(MotifTargetTableHeader) + 3)/4,
- FALSE,
- motif_drag_targets_atom, &type, &format, &nitems,
- &bytes_after, &target_bytes);
-
- if (gdk_error_trap_pop () || (format != 8) || (bytes_after != 0) ||
- (nitems != header->total_size - sizeof(MotifTargetTableHeader)))
- goto error;
-
- motif_n_target_lists = header->n_lists;
- motif_target_lists = g_new0 (GList *, motif_n_target_lists);
-
- p = target_bytes;
- for (i=0; i<header->n_lists; i++)
- {
- gint n_targets;
- guint32 *targets;
-
- if (p + sizeof(guint16) - target_bytes > nitems)
- goto error;
-
- n_targets = card16_to_host (*(gushort *)p, header->byte_order);
-
- /* We need to make a copy of the targets, since it may
- * be unaligned
- */
- targets = g_new (guint32, n_targets);
- memcpy (targets, p + sizeof(guint16), sizeof(guint32) * n_targets);
-
- p += sizeof(guint16) + n_targets * sizeof(guint32);
- if (p - target_bytes > nitems)
- goto error;
-
- for (j=0; j<n_targets; j++)
- motif_target_lists[i] =
- g_list_prepend (motif_target_lists[i],
- GUINT_TO_POINTER (card32_to_host (targets[j],
- header->byte_order)));
- g_free (targets);
- motif_target_lists[i] = g_list_reverse (motif_target_lists[i]);
- }
-
- success = TRUE;
-
- error:
- if (header)
- XFree (header);
-
- if (target_bytes)
- XFree (target_bytes);
-
- if (!success)
- {
- if (motif_target_lists)
- {
- g_free (motif_target_lists);
- motif_target_lists = NULL;
- motif_n_target_lists = 0;
- }
- g_warning ("Error reading Motif target table\n");
- }
- }
-}
-
-static gint
-targets_sort_func (gconstpointer a, gconstpointer b)
-{
- return (GPOINTER_TO_UINT (a) < GPOINTER_TO_UINT (b)) ?
- -1 : ((GPOINTER_TO_UINT (a) > GPOINTER_TO_UINT (b)) ? 1 : 0);
-}
-
-/* Check if given (sorted) list is in the targets table */
-static gboolean
-motif_target_table_check (GList *sorted)
-{
- GList *tmp_list1, *tmp_list2;
- gint i;
-
- for (i=0; i<motif_n_target_lists; i++)
- {
- tmp_list1 = motif_target_lists[i];
- tmp_list2 = sorted;
-
- while (tmp_list1 && tmp_list2)
- {
- if (tmp_list1->data != tmp_list2->data)
- break;
-
- tmp_list1 = tmp_list1->next;
- tmp_list2 = tmp_list2->next;
- }
- if (!tmp_list1 && !tmp_list2) /* Found it */
- return i;
- }
-
- return -1;
-}
-
-static gint
-motif_add_to_target_table (GList *targets)
-{
- GList *sorted = NULL;
- gint index = -1;
- gint i;
- GList *tmp_list;
-
- /* make a sorted copy of the list */
-
- while (targets)
- {
- sorted = g_list_insert_sorted (sorted, targets->data, targets_sort_func);
- targets = targets->next;
- }
-
- /* First check if it is their already */
-
- if (motif_target_lists)
- index = motif_target_table_check (sorted);
-
- /* We need to grab the server while doing this, to ensure
- * atomiticity. Ugh
- */
-
- if (index < 0)
- {
- /* We need to make sure that it exists _before_ we grab the
- * server, since we can't open a new connection after we
- * grab the server.
- */
- motif_find_drag_window (TRUE);
-
- XGrabServer(gdk_display);
- motif_read_target_table();
-
- /* Check again, in case it was added in the meantime */
-
- if (motif_target_lists)
- index = motif_target_table_check (sorted);
-
- if (index < 0)
- {
- guint32 total_size = 0;
- guchar *data;
- guchar *p;
- guint16 *p16;
- MotifTargetTableHeader *header;
-
- if (!motif_target_lists)
- {
- motif_target_lists = g_new (GList *, 1);
- motif_n_target_lists = 1;
- }
- else
- {
- motif_n_target_lists++;
- motif_target_lists = g_realloc (motif_target_lists,
- sizeof(GList *) * motif_n_target_lists);
- }
- motif_target_lists[motif_n_target_lists - 1] = sorted;
- sorted = NULL;
- index = motif_n_target_lists - 1;
-
- total_size = sizeof (MotifTargetTableHeader);
- for (i = 0; i < motif_n_target_lists ; i++)
- total_size += sizeof(guint16) + sizeof(guint32) * g_list_length (motif_target_lists[i]);
-
- data = g_malloc (total_size);
-
- header = (MotifTargetTableHeader *)data;
- p = data + sizeof(MotifTargetTableHeader);
-
- header->byte_order = local_byte_order;
- header->protocol_version = 0;
- header->n_lists = motif_n_target_lists;
- header->total_size = total_size;
-
- for (i = 0; i < motif_n_target_lists ; i++)
- {
- guint16 n_targets = g_list_length (motif_target_lists[i]);
- guint32 *targets = g_new (guint32, n_targets);
- guint32 *p32 = targets;
-
- tmp_list = motif_target_lists[i];
- while (tmp_list)
- {
- *p32 = GPOINTER_TO_UINT (tmp_list->data);
-
- tmp_list = tmp_list->next;
- p32++;
- }
-
- p16 = (guint16 *)p;
- p += sizeof(guint16);
-
- memcpy (p, targets, n_targets * sizeof(guint32));
-
- *p16 = n_targets;
- p += sizeof(guint32) * n_targets;
- g_free (targets);
- }
-
- XChangeProperty (gdk_display, motif_drag_window,
- motif_drag_targets_atom,
- motif_drag_targets_atom,
- 8, PropModeReplace,
- data, total_size);
- }
- XUngrabServer(gdk_display);
- }
-
- g_list_free (sorted);
- return index;
-}
-
-/* Translate flags */
-
-static void
-motif_dnd_translate_flags (GdkDragContext *context, guint16 flags)
-{
- guint recommended_op = flags & 0x000f;
- guint possible_ops = (flags & 0x0f0) >> 4;
-
- switch (recommended_op)
- {
- case XmDROP_MOVE:
- context->suggested_action = GDK_ACTION_MOVE;
- break;
- case XmDROP_COPY:
- context->suggested_action = GDK_ACTION_COPY;
- break;
- case XmDROP_LINK:
- context->suggested_action = GDK_ACTION_LINK;
- break;
- default:
- context->suggested_action = GDK_ACTION_COPY;
- break;
- }
-
- context->actions = 0;
- if (possible_ops & XmDROP_MOVE)
- context->actions |= GDK_ACTION_MOVE;
- if (possible_ops & XmDROP_COPY)
- context->actions |= GDK_ACTION_COPY;
- if (possible_ops & XmDROP_LINK)
- context->actions |= GDK_ACTION_LINK;
-}
-
-static guint16
-motif_dnd_get_flags (GdkDragContext *context)
-{
- guint16 flags = 0;
-
- switch (context->suggested_action)
- {
- case GDK_ACTION_MOVE:
- flags = XmDROP_MOVE;
- break;
- case GDK_ACTION_COPY:
- flags = XmDROP_COPY;
- break;
- case GDK_ACTION_LINK:
- flags = XmDROP_LINK;
- break;
- default:
- flags = XmDROP_NOOP;
- break;
- }
-
- if (context->actions & GDK_ACTION_MOVE)
- flags |= XmDROP_MOVE << 8;
- if (context->actions & GDK_ACTION_COPY)
- flags |= XmDROP_COPY << 8;
- if (context->actions & GDK_ACTION_LINK)
- flags |= XmDROP_LINK << 8;
-
- return flags;
-}
-
-/* Source Side */
-
-static void
-motif_set_targets (GdkDragContext *context)
-{
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
- MotifDragInitiatorInfo info;
- gint i;
- static GdkAtom motif_drag_initiator_info = GDK_NONE;
-
- if (!motif_drag_initiator_info)
- motif_drag_initiator_info = gdk_atom_intern ("_MOTIF_DRAG_INITIATOR_INFO", FALSE);
-
- info.byte_order = local_byte_order;
- info.protocol_version = 0;
-
- info.targets_index = motif_add_to_target_table (context->targets);
-
- for (i=0; ; i++)
- {
- gchar buf[20];
- g_snprintf(buf, 20, "_GDK_SELECTION_%d", i);
-
- private->motif_selection = gdk_atom_intern (buf, FALSE);
- if (!XGetSelectionOwner (gdk_display, private->motif_selection))
- break;
- }
-
- info.selection_atom = private->motif_selection;
-
- XChangeProperty (GDK_DRAWABLE_XDISPLAY (context->source_window),
- GDK_DRAWABLE_XID (context->source_window),
- private->motif_selection,
- motif_drag_initiator_info, 8, PropModeReplace,
- (guchar *)&info, sizeof (info));
-
- private->motif_targets_set = 1;
-}
-
-guint32
-motif_check_dest (Window win)
-{
- gboolean retval = FALSE;
- MotifDragReceiverInfo *info;
- Atom type = None;
- int format;
- unsigned long nitems, after;
-
- if (!motif_drag_receiver_info_atom)
- motif_drag_receiver_info_atom = gdk_atom_intern ("_MOTIF_DRAG_RECEIVER_INFO", FALSE);
-
- gdk_error_trap_push ();
- XGetWindowProperty (gdk_display, win,
- motif_drag_receiver_info_atom,
- 0, (sizeof(*info)+3)/4, False, AnyPropertyType,
- &type, &format, &nitems, &after,
- (guchar **)&info);
-
- if (gdk_error_trap_pop() == 0)
- {
- if (type != None)
- {
- if ((format == 8) && (nitems == sizeof(*info)))
- {
- if ((info->protocol_version == 0) &&
- ((info->protocol_style == XmDRAG_PREFER_PREREGISTER) ||
- (info->protocol_style == XmDRAG_PREFER_DYNAMIC) ||
- (info->protocol_style == XmDRAG_DYNAMIC)))
- retval = TRUE;
- }
- else
- {
- GDK_NOTE (DND,
- g_warning ("Invalid Motif drag receiver property on window %ld\n", win));
- }
-
- XFree (info);
- }
- }
-
- return retval ? win : GDK_NONE;
-
-}
-
-static void
-motif_send_enter (GdkDragContext *context,
- guint32 time)
-{
- XEvent xev;
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
-
- xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_atom_intern ("_MOTIF_DRAG_AND_DROP_MESSAGE", FALSE);
- xev.xclient.format = 8;
- xev.xclient.window = GDK_DRAWABLE_XID (context->dest_window);
-
- MOTIF_XCLIENT_BYTE (&xev, 0) = XmTOP_LEVEL_ENTER;
- MOTIF_XCLIENT_BYTE (&xev, 1) = local_byte_order;
- MOTIF_XCLIENT_SHORT (&xev, 1) = 0;
- MOTIF_XCLIENT_LONG (&xev, 1) = time;
- MOTIF_XCLIENT_LONG (&xev, 2) = GDK_DRAWABLE_XID (context->source_window);
-
- if (!private->motif_targets_set)
- motif_set_targets (context);
-
- MOTIF_XCLIENT_LONG (&xev, 3) = private->motif_selection;
-
- if (!gdk_send_xevent (GDK_DRAWABLE_XID (context->dest_window),
- FALSE, 0, &xev))
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->dest_window)));
-}
-
-static void
-motif_send_leave (GdkDragContext *context,
- guint32 time)
-{
- XEvent xev;
-
- xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_atom_intern ("_MOTIF_DRAG_AND_DROP_MESSAGE", FALSE);
- xev.xclient.format = 8;
- xev.xclient.window = GDK_DRAWABLE_XID (context->dest_window);
-
- MOTIF_XCLIENT_BYTE (&xev, 0) = XmTOP_LEVEL_LEAVE;
- MOTIF_XCLIENT_BYTE (&xev, 1) = local_byte_order;
- MOTIF_XCLIENT_SHORT (&xev, 1) = 0;
- MOTIF_XCLIENT_LONG (&xev, 1) = time;
- MOTIF_XCLIENT_LONG (&xev, 2) = GDK_DRAWABLE_XID (context->source_window);
- MOTIF_XCLIENT_LONG (&xev, 3) = 0;
-
- if (!gdk_send_xevent (GDK_DRAWABLE_XID (context->dest_window),
- FALSE, 0, &xev))
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->dest_window)));
-}
-
-static gboolean
-motif_send_motion (GdkDragContext *context,
- gint x_root,
- gint y_root,
- GdkDragAction action,
- guint32 time)
-{
- gboolean retval;
- XEvent xev;
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
-
- xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_atom_intern ("_MOTIF_DRAG_AND_DROP_MESSAGE", FALSE);
- xev.xclient.format = 8;
- xev.xclient.window = GDK_DRAWABLE_XID (context->dest_window);
-
- MOTIF_XCLIENT_BYTE (&xev, 1) = local_byte_order;
- MOTIF_XCLIENT_SHORT (&xev, 1) = motif_dnd_get_flags (context);
- MOTIF_XCLIENT_LONG (&xev, 1) = time;
-
- if ((context->suggested_action != private->old_action) ||
- (context->actions != private->old_actions))
- {
- MOTIF_XCLIENT_BYTE (&xev, 0) = XmOPERATION_CHANGED;
-
- /* private->drag_status = GDK_DRAG_STATUS_ACTION_WAIT; */
- retval = TRUE;
- }
- else
- {
- MOTIF_XCLIENT_BYTE (&xev, 0) = XmDRAG_MOTION;
-
- MOTIF_XCLIENT_SHORT (&xev, 4) = x_root;
- MOTIF_XCLIENT_SHORT (&xev, 5) = y_root;
-
- private->drag_status = GDK_DRAG_STATUS_MOTION_WAIT;
- retval = FALSE;
- }
-
- if (!gdk_send_xevent (GDK_DRAWABLE_XID (context->dest_window),
- FALSE, 0, &xev))
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->dest_window)));
-
- return retval;
-}
-
-static void
-motif_send_drop (GdkDragContext *context, guint32 time)
-{
- XEvent xev;
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
-
- xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_atom_intern ("_MOTIF_DRAG_AND_DROP_MESSAGE", FALSE);
- xev.xclient.format = 8;
- xev.xclient.window = GDK_DRAWABLE_XID (context->dest_window);
-
- MOTIF_XCLIENT_BYTE (&xev, 0) = XmDROP_START;
- MOTIF_XCLIENT_BYTE (&xev, 1) = local_byte_order;
- MOTIF_XCLIENT_SHORT (&xev, 1) = motif_dnd_get_flags (context);
- MOTIF_XCLIENT_LONG (&xev, 1) = time;
-
- MOTIF_XCLIENT_SHORT (&xev, 4) = private->last_x;
- MOTIF_XCLIENT_SHORT (&xev, 5) = private->last_y;
-
- MOTIF_XCLIENT_LONG (&xev, 3) = private->motif_selection;
- MOTIF_XCLIENT_LONG (&xev, 4) = GDK_DRAWABLE_XID (context->source_window);
-
- if (!gdk_send_xevent (GDK_DRAWABLE_XID (context->dest_window),
- FALSE, 0, &xev))
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->dest_window)));
-}
-
-/* Target Side */
-
-static gboolean
-motif_read_initiator_info (Window source_window,
- Atom atom,
- GList **targets,
- GdkAtom *selection)
-{
- GList *tmp_list;
- static GdkAtom motif_drag_initiator_info = GDK_NONE;
- GdkAtom type;
- gint format;
- gulong nitems;
- gulong bytes_after;
-
- MotifDragInitiatorInfo *initiator_info;
-
- if (!motif_drag_initiator_info)
- motif_drag_initiator_info = gdk_atom_intern ("_MOTIF_DRAG_INITIATOR_INFO", FALSE);
-
- gdk_error_trap_push ();
- XGetWindowProperty (gdk_display, source_window, atom,
- 0, sizeof(*initiator_info), FALSE,
- motif_drag_initiator_info,
- &type, &format, &nitems, &bytes_after,
- (guchar **)&initiator_info);
-
- if (gdk_error_trap_pop () || (format != 8) || (nitems != sizeof (MotifDragInitiatorInfo)) || (bytes_after != 0))
- {
- g_warning ("Error reading initiator info\n");
- return FALSE;
- }
-
- motif_read_target_table ();
-
- initiator_info->targets_index =
- card16_to_host (initiator_info->targets_index, initiator_info->byte_order);
- initiator_info->selection_atom =
- card32_to_host (initiator_info->selection_atom, initiator_info->byte_order);
-
- if (initiator_info->targets_index >= motif_n_target_lists)
- {
- g_warning ("Invalid target index in TOP_LEVEL_ENTER MESSAGE");
- XFree (initiator_info);
- return GDK_FILTER_REMOVE;
- }
-
- tmp_list = g_list_last (motif_target_lists[initiator_info->targets_index]);
-
- *targets = NULL;
- while (tmp_list)
- {
- *targets = g_list_prepend (*targets,
- tmp_list->data);
- tmp_list = tmp_list->prev;
- }
-
-#ifdef G_ENABLE_DEBUG
- if (gdk_debug_flags & GDK_DEBUG_DND)
- print_target_list (*targets);
-#endif /* G_ENABLE_DEBUG */
-
- *selection = initiator_info->selection_atom;
-
- XFree (initiator_info);
-
- return TRUE;
-}
-
-static GdkDragContext *
-motif_drag_context_new (GdkWindow *dest_window,
- guint32 timestamp,
- guint32 source_window,
- guint32 atom)
-{
- GdkDragContext *new_context;
- GdkDragContextPrivateX11 *private;
-
- /* FIXME, current_dest_drag really shouldn't be NULL'd
- * if we error below.
- */
- if (current_dest_drag != NULL)
- {
- if (timestamp >= current_dest_drag->start_time)
- {
- gdk_drag_context_unref (current_dest_drag);
- current_dest_drag = NULL;
- }
- else
- return NULL;
- }
-
- new_context = gdk_drag_context_new ();
- private = PRIVATE_DATA (new_context);
-
- new_context->protocol = GDK_DRAG_PROTO_MOTIF;
- new_context->is_source = FALSE;
-
- new_context->source_window = gdk_window_lookup (source_window);
- if (new_context->source_window)
- gdk_window_ref (new_context->source_window);
- else
- {
- new_context->source_window = gdk_window_foreign_new (source_window);
- if (!new_context->source_window)
- {
- gdk_drag_context_unref (new_context);
- return NULL;
- }
- }
-
- new_context->dest_window = dest_window;
- gdk_window_ref (dest_window);
- new_context->start_time = timestamp;
-
- if (!motif_read_initiator_info(source_window,
- atom,
- &new_context->targets,
- &private->motif_selection))
- {
- gdk_drag_context_unref (new_context);
- return NULL;
- }
-
- return new_context;
-}
-
-/*
- * The MOTIF drag protocol has no real provisions for distinguishing
- * multiple simultaneous drops. If the sources grab the pointer
- * when doing drags, that shouldn't happen, in any case. If it
- * does, we can't do much except hope for the best.
- */
-
-static GdkFilterReturn
-motif_top_level_enter (GdkEvent *event,
- guint16 flags,
- guint32 timestamp,
- guint32 source_window,
- guint32 atom)
-{
- GdkDragContext *new_context;
-
- GDK_NOTE(DND, g_message ("Motif DND top level enter: flags: %#4x time: %d source_widow: %#4x atom: %d",
- flags, timestamp, source_window, atom));
-
- new_context = motif_drag_context_new (event->any.window, timestamp, source_window, atom);
- if (!new_context)
- return GDK_FILTER_REMOVE;
-
- event->dnd.type = GDK_DRAG_ENTER;
- event->dnd.context = new_context;
- gdk_drag_context_ref (new_context);
-
- current_dest_drag = new_context;
-
- return GDK_FILTER_TRANSLATE;
-}
-
-GdkFilterReturn
-motif_top_level_leave (GdkEvent *event,
- guint16 flags,
- guint32 timestamp)
-{
- GDK_NOTE(DND, g_message ("Motif DND top level leave: flags: %#4x time: %d",
- flags, timestamp));
-
- if ((current_dest_drag != NULL) &&
- (current_dest_drag->protocol == GDK_DRAG_PROTO_MOTIF) &&
- (timestamp >= current_dest_drag->start_time))
- {
- event->dnd.type = GDK_DRAG_LEAVE;
- /* Pass ownership of context to the event */
- event->dnd.context = current_dest_drag;
-
- current_dest_drag = NULL;
-
- return GDK_FILTER_TRANSLATE;
- }
- else
- return GDK_FILTER_REMOVE;
-}
-
-GdkFilterReturn
-motif_motion (GdkEvent *event,
- guint16 flags,
- guint32 timestamp,
- gint16 x_root,
- gint16 y_root)
-{
- GdkDragContextPrivateX11 *private;
-
- GDK_NOTE(DND, g_message ("Motif DND motion: flags: %#4x time: %d (%d, %d)",
- flags, timestamp, x_root, y_root));
-
- if ((current_dest_drag != NULL) &&
- (current_dest_drag->protocol == GDK_DRAG_PROTO_MOTIF) &&
- (timestamp >= current_dest_drag->start_time))
- {
- private = PRIVATE_DATA (current_dest_drag);
-
- event->dnd.type = GDK_DRAG_MOTION;
- event->dnd.context = current_dest_drag;
- gdk_drag_context_ref (current_dest_drag);
-
- event->dnd.time = timestamp;
-
- motif_dnd_translate_flags (current_dest_drag, flags);
-
- event->dnd.x_root = x_root;
- event->dnd.y_root = y_root;
-
- private->last_x = x_root;
- private->last_y = y_root;
-
- private->drag_status = GDK_DRAG_STATUS_MOTION_WAIT;
-
- return GDK_FILTER_TRANSLATE;
- }
-
- return GDK_FILTER_REMOVE;
-}
-
-GdkFilterReturn
-motif_operation_changed (GdkEvent *event,
- guint16 flags,
- guint32 timestamp)
-{
- GdkDragContextPrivateX11 *private;
-
- GDK_NOTE(DND, g_message ("Motif DND operation changed: flags: %#4x time: %d",
- flags, timestamp));
-
- if ((current_dest_drag != NULL) &&
- (current_dest_drag->protocol == GDK_DRAG_PROTO_MOTIF) &&
- (timestamp >= current_dest_drag->start_time))
- {
- event->dnd.type = GDK_DRAG_MOTION;
- event->dnd.send_event = FALSE;
- event->dnd.context = current_dest_drag;
- gdk_drag_context_ref (current_dest_drag);
-
- event->dnd.time = timestamp;
- private = PRIVATE_DATA (current_dest_drag);
-
- motif_dnd_translate_flags (current_dest_drag, flags);
-
- event->dnd.x_root = private->last_x;
- event->dnd.y_root = private->last_y;
-
- private->drag_status = GDK_DRAG_STATUS_ACTION_WAIT;
-
- return GDK_FILTER_TRANSLATE;
- }
-
- return GDK_FILTER_REMOVE;
-}
-
-GdkFilterReturn
-motif_drop_start (GdkEvent *event,
- guint16 flags,
- guint32 timestamp,
- guint32 source_window,
- guint32 atom,
- gint16 x_root,
- gint16 y_root)
-{
- GdkDragContext *new_context;
-
-
- GDK_NOTE(DND, g_message ("Motif DND drop start: flags: %#4x time: %d (%d, %d) source_widow: %#4x atom: %d",
- flags, timestamp, x_root, y_root, source_window, atom));
-
- new_context = motif_drag_context_new (event->any.window, timestamp, source_window, atom);
- if (!new_context)
- return GDK_FILTER_REMOVE;
-
- motif_dnd_translate_flags (new_context, flags);
-
- event->dnd.type = GDK_DROP_START;
- event->dnd.context = new_context;
- event->dnd.time = timestamp;
- event->dnd.x_root = x_root;
- event->dnd.y_root = y_root;
-
- gdk_drag_context_ref (new_context);
- current_dest_drag = new_context;
-
- return GDK_FILTER_TRANSLATE;
-}
-
-GdkFilterReturn
-motif_drag_status (GdkEvent *event,
- guint16 flags,
- guint32 timestamp)
-{
- GdkDragContext *context;
-
- GDK_NOTE (DND,
- g_message ("Motif status message: flags %x", flags));
-
- context = gdk_drag_context_find (TRUE,
- GDK_DRAWABLE_XID (event->any.window),
- None);
-
- if (context)
- {
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
- if ((private->drag_status == GDK_DRAG_STATUS_MOTION_WAIT) ||
- (private->drag_status == GDK_DRAG_STATUS_ACTION_WAIT))
- private->drag_status = GDK_DRAG_STATUS_DRAG;
-
- event->dnd.type = GDK_DRAG_STATUS;
- event->dnd.send_event = FALSE;
- event->dnd.context = context;
- gdk_drag_context_ref (context);
-
- event->dnd.time = timestamp;
-
- if ((flags & 0x00f0) >> 4 == XmDROP_SITE_VALID)
- {
- switch (flags & 0x000f)
- {
- case XmDROP_NOOP:
- context->action = 0;
- break;
- case XmDROP_MOVE:
- context->action = GDK_ACTION_MOVE;
- break;
- case XmDROP_COPY:
- context->action = GDK_ACTION_COPY;
- break;
- case XmDROP_LINK:
- context->action = GDK_ACTION_LINK;
- break;
- }
- }
- else
- context->action = 0;
-
- return GDK_FILTER_TRANSLATE;
- }
- return GDK_FILTER_REMOVE;
-}
-
-GdkFilterReturn
-motif_dnd_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data)
-{
- XEvent *xevent = (XEvent *)xev;
-
- guint8 reason;
- guint16 flags;
- guint32 timestamp;
- guint32 source_window;
- GdkAtom atom;
- gint16 x_root, y_root;
- gboolean is_reply;
-
- /* First read some fields common to all Motif DND messages */
-
- reason = MOTIF_UNPACK_BYTE (xevent, 0);
- flags = MOTIF_UNPACK_SHORT (xevent, 1);
- timestamp = MOTIF_UNPACK_LONG (xevent, 1);
-
- is_reply = ((reason & 0x80) != 0);
-
- switch (reason & 0x7f)
- {
- case XmTOP_LEVEL_ENTER:
- source_window = MOTIF_UNPACK_LONG (xevent, 2);
- atom = MOTIF_UNPACK_LONG (xevent, 3);
- return motif_top_level_enter (event, flags, timestamp, source_window, atom);
- case XmTOP_LEVEL_LEAVE:
- return motif_top_level_leave (event, flags, timestamp);
-
- case XmDRAG_MOTION:
- x_root = MOTIF_UNPACK_SHORT (xevent, 4);
- y_root = MOTIF_UNPACK_SHORT (xevent, 5);
-
- if (!is_reply)
- return motif_motion (event, flags, timestamp, x_root, y_root);
- else
- return motif_drag_status (event, flags, timestamp);
-
- case XmDROP_SITE_ENTER:
- return motif_drag_status (event, flags, timestamp);
-
- case XmDROP_SITE_LEAVE:
- return motif_drag_status (event,
- XmNO_DROP_SITE << 8 | XmDROP_NOOP,
- timestamp);
- case XmDROP_START:
- x_root = MOTIF_UNPACK_SHORT (xevent, 4);
- y_root = MOTIF_UNPACK_SHORT (xevent, 5);
- atom = MOTIF_UNPACK_LONG (xevent, 3);
- source_window = MOTIF_UNPACK_LONG (xevent, 4);
-
- if (!is_reply)
- return motif_drop_start (event, flags, timestamp, source_window, atom, x_root, y_root);
-
- break;
- case XmOPERATION_CHANGED:
- if (!is_reply)
- return motif_operation_changed (event, flags, timestamp);
- else
- return motif_drag_status (event, flags, timestamp);
-
- break;
- /* To the best of my knowledge, these next two messages are
- * not part of the protocol, though they are defined in
- * the header files.
- */
- case XmDROP_FINISH:
- case XmDRAG_DROP_FINISH:
- break;
- }
-
- return GDK_FILTER_REMOVE;
-}
-
-/*************************************************************
- ***************************** XDND **************************
- *************************************************************/
-
-/* Utility functions */
-
-static struct {
- gchar *name;
- GdkAtom atom;
- GdkDragAction action;
-} xdnd_actions_table[] = {
- { "XdndActionCopy", GDK_NONE, GDK_ACTION_COPY },
- { "XdndActionMove", GDK_NONE, GDK_ACTION_MOVE },
- { "XdndActionLink", GDK_NONE, GDK_ACTION_LINK },
- { "XdndActionAsk", GDK_NONE, GDK_ACTION_ASK },
- { "XdndActionPrivate", GDK_NONE, GDK_ACTION_COPY },
- };
-
-static const gint xdnd_n_actions = sizeof(xdnd_actions_table) / sizeof(xdnd_actions_table[0]);
-static gboolean xdnd_actions_initialized = FALSE;
-
-static void
-xdnd_initialize_actions (void)
-{
- gint i;
-
- xdnd_actions_initialized = TRUE;
- for (i=0; i < xdnd_n_actions; i++)
- xdnd_actions_table[i].atom = gdk_atom_intern (xdnd_actions_table[i].name, FALSE);
-}
-
-static GdkDragAction
-xdnd_action_from_atom (GdkAtom atom)
-{
- gint i;
-
- if (!xdnd_actions_initialized)
- xdnd_initialize_actions();
-
- for (i=0; i<xdnd_n_actions; i++)
- if (atom == xdnd_actions_table[i].atom)
- return xdnd_actions_table[i].action;
-
- return 0;
+ return None;
}
-static GdkAtom
-xdnd_action_to_atom (GdkDragAction action)
-{
- gint i;
-
- if (!xdnd_actions_initialized)
- xdnd_initialize_actions();
-
- for (i=0; i<xdnd_n_actions; i++)
- if (action == xdnd_actions_table[i].action)
- return xdnd_actions_table[i].atom;
-
- return GDK_NONE;
-}
-
-static GdkAtom xdnd_aware_atom = GDK_NONE;
-
/* Source side */
-static GdkFilterReturn
+static GdkFilterReturn
xdnd_status_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data)
+ GdkEvent *event,
+ gpointer data)
{
+ GdkDisplay *display;
XEvent *xevent = (XEvent *)xev;
guint32 dest_window = xevent->xclient.data.l[0];
guint32 flags = xevent->xclient.data.l[1];
- GdkAtom action = xevent->xclient.data.l[4];
+ Atom action = xevent->xclient.data.l[4];
GdkDragContext *context;
-
- GDK_NOTE (DND,
- g_message ("XdndStatus: dest_window: %#x action: %ld",
- dest_window, action));
-
- context = gdk_drag_context_find (TRUE, xevent->xclient.window, dest_window);
+ if (!event->any.window ||
+ gdk_window_get_window_type (event->any.window) == GDK_WINDOW_FOREIGN)
+ return GDK_FILTER_CONTINUE; /* Not for us */
+
+ GDK_NOTE (DND,
+ g_message ("XdndStatus: dest_window: %#x action: %ld",
+ dest_window, action));
+
+ display = gdk_window_get_display (event->any.window);
+ context = gdk_drag_context_find (display, TRUE, xevent->xclient.window, dest_window);
+
if (context)
{
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
- if (private->drag_status == GDK_DRAG_STATUS_MOTION_WAIT)
- private->drag_status = GDK_DRAG_STATUS_DRAG;
-
+ GdkX11DragContext *context_x11 = GDK_X11_DRAG_CONTEXT (context);
+ if (context_x11->drag_status == GDK_DRAG_STATUS_MOTION_WAIT)
+ context_x11->drag_status = GDK_DRAG_STATUS_DRAG;
+
event->dnd.send_event = FALSE;
event->dnd.type = GDK_DRAG_STATUS;
event->dnd.context = context;
- gdk_drag_context_ref (context);
+ gdk_event_set_device (event, gdk_drag_context_get_device (context));
+ g_object_ref (context);
event->dnd.time = GDK_CURRENT_TIME; /* FIXME? */
if (!(action != 0) != !(flags & 1))
- {
- GDK_NOTE (DND,
- g_warning ("Received status event with flags not corresponding to action!\n"));
- action = 0;
- }
+ {
+ GDK_NOTE (DND,
+ g_warning ("Received status event with flags not corresponding to action!\n"));
+ action = 0;
+ }
- context->action = xdnd_action_from_atom (action);
+ context->action = xdnd_action_from_atom (display, action);
return GDK_FILTER_TRANSLATE;
}
return GDK_FILTER_REMOVE;
}
-static GdkFilterReturn
+static GdkFilterReturn
xdnd_finished_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data)
+ GdkEvent *event,
+ gpointer data)
{
+ GdkDisplay *display;
XEvent *xevent = (XEvent *)xev;
guint32 dest_window = xevent->xclient.data.l[0];
GdkDragContext *context;
-
- GDK_NOTE (DND,
- g_message ("XdndFinished: dest_window: %#x", dest_window));
+ GdkX11DragContext *context_x11;
+
+ if (!event->any.window ||
+ gdk_window_get_window_type (event->any.window) == GDK_WINDOW_FOREIGN)
+ return GDK_FILTER_CONTINUE; /* Not for us */
+
+ GDK_NOTE (DND,
+ g_message ("XdndFinished: dest_window: %#x", dest_window));
+
+ display = gdk_window_get_display (event->any.window);
+ context = gdk_drag_context_find (display, TRUE, xevent->xclient.window, dest_window);
- context = gdk_drag_context_find (TRUE, xevent->xclient.window, dest_window);
if (context)
{
+ context_x11 = GDK_X11_DRAG_CONTEXT (context);
+ if (context_x11->version == 5)
+ context_x11->drop_failed = xevent->xclient.data.l[1] == 0;
+
event->dnd.type = GDK_DROP_FINISHED;
event->dnd.context = context;
- gdk_drag_context_ref (context);
+ gdk_event_set_device (event, gdk_drag_context_get_device (context));
+ g_object_ref (context);
+
+ event->dnd.time = GDK_CURRENT_TIME; /* FIXME? */
return GDK_FILTER_TRANSLATE;
}
}
static void
-xdnd_set_targets (GdkDragContext *context)
+xdnd_set_targets (GdkX11DragContext *context_x11)
{
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
- GdkAtom *atomlist;
+ GdkDragContext *context = GDK_DRAG_CONTEXT (context_x11);
+ Atom *atomlist;
GList *tmp_list = context->targets;
gint i;
gint n_atoms = g_list_length (context->targets);
+ GdkDisplay *display = GDK_WINDOW_DISPLAY (context->source_window);
- atomlist = g_new (GdkAtom, n_atoms);
+ atomlist = g_new (Atom, n_atoms);
i = 0;
while (tmp_list)
{
- atomlist[i] = GPOINTER_TO_INT (tmp_list->data);
+ atomlist[i] = gdk_x11_atom_to_xatom_for_display (display, GDK_POINTER_TO_ATOM (tmp_list->data));
tmp_list = tmp_list->next;
i++;
}
- XChangeProperty (GDK_DRAWABLE_XDISPLAY (context->source_window),
- GDK_DRAWABLE_XID (context->source_window),
- gdk_atom_intern ("XdndTypeList", FALSE),
- XA_ATOM, 32, PropModeReplace,
- (guchar *)atomlist, n_atoms);
+ XChangeProperty (GDK_WINDOW_XDISPLAY (context->source_window),
+ GDK_WINDOW_XID (context->source_window),
+ gdk_x11_get_xatom_by_name_for_display (display, "XdndTypeList"),
+ XA_ATOM, 32, PropModeReplace,
+ (guchar *)atomlist, n_atoms);
g_free (atomlist);
- private->xdnd_targets_set = 1;
+ context_x11->xdnd_targets_set = 1;
}
static void
-xdnd_set_actions (GdkDragContext *context)
+xdnd_set_actions (GdkX11DragContext *context_x11)
{
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
- GdkAtom *atomlist;
+ GdkDragContext *context = GDK_DRAG_CONTEXT (context_x11);
+ Atom *atomlist;
gint i;
gint n_atoms;
guint actions;
+ GdkDisplay *display = GDK_WINDOW_DISPLAY (context->source_window);
if (!xdnd_actions_initialized)
xdnd_initialize_actions();
-
+
actions = context->actions;
n_atoms = 0;
- for (i=0; i<xdnd_n_actions; i++)
+ for (i = 0; i < xdnd_n_actions; i++)
{
if (actions & xdnd_actions_table[i].action)
- {
- actions &= ~xdnd_actions_table[i].action;
- n_atoms++;
- }
+ {
+ actions &= ~xdnd_actions_table[i].action;
+ n_atoms++;
+ }
}
- atomlist = g_new (GdkAtom, n_atoms);
+ atomlist = g_new (Atom, n_atoms);
actions = context->actions;
n_atoms = 0;
- for (i=0; i<xdnd_n_actions; i++)
+ for (i = 0; i < xdnd_n_actions; i++)
{
if (actions & xdnd_actions_table[i].action)
- {
- actions &= ~xdnd_actions_table[i].action;
- atomlist[n_atoms] = xdnd_actions_table[i].atom;
- n_atoms++;
- }
+ {
+ actions &= ~xdnd_actions_table[i].action;
+ atomlist[n_atoms] = gdk_x11_atom_to_xatom_for_display (display, xdnd_actions_table[i].atom);
+ n_atoms++;
+ }
}
- XChangeProperty (GDK_DRAWABLE_XDISPLAY (context->source_window),
- GDK_DRAWABLE_XID (context->source_window),
- gdk_atom_intern ("XdndActionList", FALSE),
- XA_ATOM, 32, PropModeReplace,
- (guchar *)atomlist, n_atoms);
+ XChangeProperty (GDK_WINDOW_XDISPLAY (context->source_window),
+ GDK_WINDOW_XID (context->source_window),
+ gdk_x11_get_xatom_by_name_for_display (display, "XdndActionList"),
+ XA_ATOM, 32, PropModeReplace,
+ (guchar *)atomlist, n_atoms);
g_free (atomlist);
- private->xdnd_actions_set = 1;
- private->xdnd_actions = context->actions;
+ context_x11->xdnd_actions_set = TRUE;
+ context_x11->xdnd_actions = context->actions;
}
-/*************************************************************
- * xdnd_send_xevent:
- * Like gdk_send_event, but if the target is the root
- * window, sets an event mask of ButtonPressMask, otherwise
- * an event mask of 0.
- * arguments:
- *
- * results:
- *************************************************************/
+static void
+send_client_message_async_cb (Window window,
+ gboolean success,
+ gpointer data)
+{
+ GdkDragContext *context = data;
+ GDK_NOTE (DND,
+ g_message ("Got async callback for #%lx, success = %d",
+ window, success));
+
+ /* On failure, we immediately continue with the protocol
+ * so we don't end up blocking for a timeout
+ */
+ if (!success &&
+ context->dest_window &&
+ window == GDK_WINDOW_XID (context->dest_window))
+ {
+ GdkEvent *temp_event;
+ GdkX11DragContext *context_x11 = data;
+
+ g_object_unref (context->dest_window);
+ context->dest_window = NULL;
+ context->action = 0;
+
+ context_x11->drag_status = GDK_DRAG_STATUS_DRAG;
+
+ temp_event = gdk_event_new (GDK_DRAG_STATUS);
+ temp_event->dnd.window = g_object_ref (context->source_window);
+ temp_event->dnd.send_event = TRUE;
+ temp_event->dnd.context = g_object_ref (context);
+ temp_event->dnd.time = GDK_CURRENT_TIME;
+ gdk_event_set_device (temp_event, gdk_drag_context_get_device (context));
+
+ gdk_event_put (temp_event);
+
+ gdk_event_free (temp_event);
+ }
+
+ g_object_unref (context);
+}
+
+
+static GdkDisplay *
+gdk_drag_context_get_display (GdkDragContext *context)
+{
+ if (context->source_window)
+ return GDK_WINDOW_DISPLAY (context->source_window);
+ else if (context->dest_window)
+ return GDK_WINDOW_DISPLAY (context->dest_window);
+
+ g_assert_not_reached ();
+ return NULL;
+}
+
+static void
+send_client_message_async (GdkDragContext *context,
+ Window window,
+ gboolean propagate,
+ glong event_mask,
+ XClientMessageEvent *event_send)
+{
+ GdkDisplay *display = gdk_drag_context_get_display (context);
+
+ g_object_ref (context);
+
+ _gdk_x11_send_client_message_async (display, window,
+ propagate, event_mask, event_send,
+ send_client_message_async_cb, context);
+}
-gint
-xdnd_send_xevent (Window window, gboolean propagate,
- XEvent *event_send)
+static gboolean
+xdnd_send_xevent (GdkX11DragContext *context_x11,
+ GdkWindow *window,
+ gboolean propagate,
+ XEvent *event_send)
{
- if (window == gdk_root_window)
- return gdk_send_xevent (window, propagate, ButtonPressMask, event_send);
+ GdkDragContext *context = GDK_DRAG_CONTEXT (context_x11);
+ GdkDisplay *display = gdk_drag_context_get_display (context);
+ Window xwindow;
+ glong event_mask;
+
+ g_assert (event_send->xany.type == ClientMessage);
+
+ /* We short-circuit messages to ourselves */
+ if (gdk_window_get_window_type (window) != GDK_WINDOW_FOREIGN)
+ {
+ gint i;
+
+ for (i = 0; i < G_N_ELEMENTS (xdnd_filters); i++)
+ {
+ if (gdk_x11_get_xatom_by_name_for_display (display, xdnd_filters[i].atom_name) ==
+ event_send->xclient.message_type)
+ {
+ GdkEvent *temp_event;
+
+ temp_event = gdk_event_new (GDK_NOTHING);
+ temp_event->any.window = g_object_ref (window);
+
+ if ((*xdnd_filters[i].func) (event_send, temp_event, NULL) == GDK_FILTER_TRANSLATE)
+ {
+ gdk_event_put (temp_event);
+ gdk_event_free (temp_event);
+ }
+
+ return TRUE;
+ }
+ }
+ }
+
+ xwindow = GDK_WINDOW_XID (window);
+
+ if (_gdk_x11_display_is_root_window (display, xwindow))
+ event_mask = ButtonPressMask;
else
- return gdk_send_xevent (window, propagate, 0, event_send);
+ event_mask = 0;
+
+ send_client_message_async (context, xwindow, propagate, event_mask,
+ &event_send->xclient);
+
+ return TRUE;
}
static void
-xdnd_send_enter (GdkDragContext *context)
+xdnd_send_enter (GdkX11DragContext *context_x11)
{
+ GdkDragContext *context = GDK_DRAG_CONTEXT (context_x11);
+ GdkDisplay *display = GDK_WINDOW_DISPLAY (context->dest_window);
XEvent xev;
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_atom_intern ("XdndEnter", FALSE);
+ xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "XdndEnter");
xev.xclient.format = 32;
- xev.xclient.window = private->drop_xid ?
- private->drop_xid :
- GDK_DRAWABLE_XID (context->dest_window);
- xev.xclient.data.l[0] = GDK_DRAWABLE_XID (context->source_window);
- xev.xclient.data.l[1] = (3 << 24); /* version */
+ xev.xclient.window = context_x11->drop_xid
+ ? context_x11->drop_xid
+ : GDK_WINDOW_XID (context->dest_window);
+ xev.xclient.data.l[0] = GDK_WINDOW_XID (context->source_window);
+ xev.xclient.data.l[1] = (context_x11->version << 24); /* version */
xev.xclient.data.l[2] = 0;
xev.xclient.data.l[3] = 0;
xev.xclient.data.l[4] = 0;
- if (!private->xdnd_selection)
- private->xdnd_selection = gdk_atom_intern ("XdndSelection", FALSE);
-
+ GDK_NOTE(DND,
+ g_message ("Sending enter source window %#lx XDND protocol version %d\n",
+ GDK_WINDOW_XID (context->source_window), context_x11->version));
if (g_list_length (context->targets) > 3)
{
- if (!private->xdnd_targets_set)
- xdnd_set_targets (context);
+ if (!context_x11->xdnd_targets_set)
+ xdnd_set_targets (context_x11);
xev.xclient.data.l[1] |= 1;
}
else
gint i = 2;
while (tmp_list)
- {
- xev.xclient.data.l[i] = GPOINTER_TO_INT (tmp_list->data);
- tmp_list = tmp_list->next;
- i++;
- }
+ {
+ xev.xclient.data.l[i] = gdk_x11_atom_to_xatom_for_display (display,
+ GDK_POINTER_TO_ATOM (tmp_list->data));
+ tmp_list = tmp_list->next;
+ i++;
+ }
}
- if (!xdnd_send_xevent (GDK_DRAWABLE_XID (context->dest_window),
- FALSE, &xev))
+ if (!xdnd_send_xevent (context_x11, context->dest_window, FALSE, &xev))
{
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->dest_window)));
- gdk_window_unref (context->dest_window);
+ GDK_NOTE (DND,
+ g_message ("Send event to %lx failed",
+ GDK_WINDOW_XID (context->dest_window)));
+ g_object_unref (context->dest_window);
context->dest_window = NULL;
}
}
static void
-xdnd_send_leave (GdkDragContext *context)
+xdnd_send_leave (GdkX11DragContext *context_x11)
{
+ GdkDragContext *context = GDK_DRAG_CONTEXT (context_x11);
+ GdkDisplay *display = GDK_WINDOW_DISPLAY (context->source_window);
XEvent xev;
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
-
xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_atom_intern ("XdndLeave", FALSE);
+ xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "XdndLeave");
xev.xclient.format = 32;
- xev.xclient.window = private->drop_xid ?
- private->drop_xid :
- GDK_DRAWABLE_XID (context->dest_window);
- xev.xclient.data.l[0] = GDK_DRAWABLE_XID (context->source_window);
+ xev.xclient.window = context_x11->drop_xid
+ ? context_x11->drop_xid
+ : GDK_WINDOW_XID (context->dest_window);
+ xev.xclient.data.l[0] = GDK_WINDOW_XID (context->source_window);
xev.xclient.data.l[1] = 0;
xev.xclient.data.l[2] = 0;
xev.xclient.data.l[3] = 0;
xev.xclient.data.l[4] = 0;
- if (!xdnd_send_xevent (GDK_DRAWABLE_XID (context->dest_window),
- FALSE, &xev))
+ if (!xdnd_send_xevent (context_x11, context->dest_window, FALSE, &xev))
{
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->dest_window)));
- gdk_window_unref (context->dest_window);
+ GDK_NOTE (DND,
+ g_message ("Send event to %lx failed",
+ GDK_WINDOW_XID (context->dest_window)));
+ g_object_unref (context->dest_window);
context->dest_window = NULL;
}
}
static void
-xdnd_send_drop (GdkDragContext *context, guint32 time)
+xdnd_send_drop (GdkX11DragContext *context_x11,
+ guint32 time)
{
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
+ GdkDragContext *context = GDK_DRAG_CONTEXT (context_x11);
+ GdkDisplay *display = GDK_WINDOW_DISPLAY (context->source_window);
XEvent xev;
xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_atom_intern ("XdndDrop", FALSE);
+ xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "XdndDrop");
xev.xclient.format = 32;
- xev.xclient.window = private->drop_xid ?
- private->drop_xid :
- GDK_DRAWABLE_XID (context->dest_window);
- xev.xclient.data.l[0] = GDK_DRAWABLE_XID (context->source_window);
+ xev.xclient.window = context_x11->drop_xid
+ ? context_x11->drop_xid
+ : GDK_WINDOW_XID (context->dest_window);
+ xev.xclient.data.l[0] = GDK_WINDOW_XID (context->source_window);
xev.xclient.data.l[1] = 0;
xev.xclient.data.l[2] = time;
xev.xclient.data.l[3] = 0;
xev.xclient.data.l[4] = 0;
- if (!xdnd_send_xevent (GDK_DRAWABLE_XID (context->dest_window),
- FALSE, &xev))
+ if (!xdnd_send_xevent (context_x11, context->dest_window, FALSE, &xev))
{
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->dest_window)));
- gdk_window_unref (context->dest_window);
+ GDK_NOTE (DND,
+ g_message ("Send event to %lx failed",
+ GDK_WINDOW_XID (context->dest_window)));
+ g_object_unref (context->dest_window);
context->dest_window = NULL;
}
}
static void
-xdnd_send_motion (GdkDragContext *context,
- gint x_root,
- gint y_root,
- GdkDragAction action,
- guint32 time)
-{
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
+xdnd_send_motion (GdkX11DragContext *context_x11,
+ gint x_root,
+ gint y_root,
+ GdkDragAction action,
+ guint32 time)
+{
+ GdkDragContext *context = GDK_DRAG_CONTEXT (context_x11);
+ GdkDisplay *display = GDK_WINDOW_DISPLAY (context->source_window);
XEvent xev;
xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_atom_intern ("XdndPosition", FALSE);
+ xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "XdndPosition");
xev.xclient.format = 32;
- xev.xclient.window = private->drop_xid ?
- private->drop_xid :
- GDK_DRAWABLE_XID (context->dest_window);
- xev.xclient.data.l[0] = GDK_DRAWABLE_XID (context->source_window);
+ xev.xclient.window = context_x11->drop_xid
+ ? context_x11->drop_xid
+ : GDK_WINDOW_XID (context->dest_window);
+ xev.xclient.data.l[0] = GDK_WINDOW_XID (context->source_window);
xev.xclient.data.l[1] = 0;
xev.xclient.data.l[2] = (x_root << 16) | y_root;
xev.xclient.data.l[3] = time;
- xev.xclient.data.l[4] = xdnd_action_to_atom (action);
+ xev.xclient.data.l[4] = xdnd_action_to_atom (display, action);
- if (!xdnd_send_xevent (GDK_DRAWABLE_XID (context->dest_window),
- FALSE, &xev))
+ if (!xdnd_send_xevent (context_x11, context->dest_window, FALSE, &xev))
{
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->dest_window)));
- gdk_window_unref (context->dest_window);
+ GDK_NOTE (DND,
+ g_message ("Send event to %lx failed",
+ GDK_WINDOW_XID (context->dest_window)));
+ g_object_unref (context->dest_window);
context->dest_window = NULL;
}
- private->drag_status = GDK_DRAG_STATUS_MOTION_WAIT;
+ context_x11->drag_status = GDK_DRAG_STATUS_MOTION_WAIT;
}
static guint32
-xdnd_check_dest (Window win)
+xdnd_check_dest (GdkDisplay *display,
+ Window win,
+ guint *xdnd_version)
{
gboolean retval = FALSE;
Atom type = None;
int format;
unsigned long nitems, after;
- GdkAtom *version;
+ guchar *data;
+ Atom *version;
Window *proxy_data;
Window proxy;
- static GdkAtom xdnd_proxy_atom = GDK_NONE;
-
- gint old_warnings = gdk_error_warnings;
+ Atom xdnd_proxy_atom = gdk_x11_get_xatom_by_name_for_display (display, "XdndProxy");
+ Atom xdnd_aware_atom = gdk_x11_get_xatom_by_name_for_display (display, "XdndAware");
- if (!xdnd_proxy_atom)
- xdnd_proxy_atom = gdk_atom_intern ("XdndProxy", FALSE);
+ proxy = None;
- if (!xdnd_aware_atom)
- xdnd_aware_atom = gdk_atom_intern ("XdndAware", FALSE);
-
- proxy = GDK_NONE;
-
- gdk_error_code = 0;
- gdk_error_warnings = 0;
-
- XGetWindowProperty (gdk_display, win,
- xdnd_proxy_atom, 0,
- 1, False, AnyPropertyType,
- &type, &format, &nitems, &after,
- (guchar **)&proxy_data);
-
- if (!gdk_error_code)
+ gdk_x11_display_error_trap_push (display);
+ if (XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), win,
+ xdnd_proxy_atom, 0,
+ 1, False, AnyPropertyType,
+ &type, &format, &nitems, &after,
+ &data) == Success)
{
if (type != None)
- {
- if ((format == 32) && (nitems == 1))
- {
- proxy = *proxy_data;
- }
- else
- GDK_NOTE (DND,
- g_warning ("Invalid XdndOwner property on window %ld\n", win));
-
- XFree (proxy_data);
- }
-
- XGetWindowProperty (gdk_display, proxy ? proxy : win,
- xdnd_aware_atom, 0,
- 1, False, AnyPropertyType,
- &type, &format, &nitems, &after,
- (guchar **)&version);
-
- if (!gdk_error_code && type != None)
- {
- if ((format == 32) && (nitems == 1))
- {
- if (*version >= 3)
- retval = TRUE;
- }
- else
- GDK_NOTE (DND,
- g_warning ("Invalid XdndAware property on window %ld\n", win));
-
- XFree (version);
- }
-
- }
-
- gdk_error_warnings = old_warnings;
- gdk_error_code = 0;
-
- return retval ? (proxy ? proxy : win) : GDK_NONE;
+ {
+ proxy_data = (Window *)data;
+
+ if ((format == 32) && (nitems == 1))
+ {
+ proxy = *proxy_data;
+ }
+ else
+ {
+ GDK_NOTE (DND,
+ g_warning ("Invalid XdndProxy "
+ "property on window %ld\n", win));
+ }
+
+ XFree (proxy_data);
+ }
+
+ if ((XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), proxy ? proxy : win,
+ xdnd_aware_atom, 0,
+ 1, False, AnyPropertyType,
+ &type, &format, &nitems, &after,
+ &data) == Success) &&
+ type != None)
+ {
+ version = (Atom *)data;
+
+ if ((format == 32) && (nitems == 1))
+ {
+ if (*version >= 3)
+ retval = TRUE;
+ if (xdnd_version)
+ *xdnd_version = *version;
+ }
+ else
+ {
+ GDK_NOTE (DND,
+ g_warning ("Invalid XdndAware "
+ "property on window %ld\n", win));
+ }
+
+ XFree (version);
+ }
+ }
+
+ gdk_x11_display_error_trap_pop_ignored (display);
+
+ return retval ? (proxy ? proxy : win) : None;
}
/* Target side */
static void
-xdnd_read_actions (GdkDragContext *context)
+xdnd_read_actions (GdkX11DragContext *context_x11)
{
+ GdkDragContext *context = GDK_DRAG_CONTEXT (context_x11);
+ GdkDisplay *display = GDK_WINDOW_DISPLAY (context->source_window);
Atom type;
int format;
gulong nitems, after;
- Atom *data;
-
+ guchar *data;
+ Atom *atoms;
gint i;
- gint old_warnings = gdk_error_warnings;
+ context_x11->xdnd_have_actions = FALSE;
- gdk_error_code = 0;
- gdk_error_warnings = 0;
+ if (gdk_window_get_window_type (context->source_window) == GDK_WINDOW_FOREIGN)
+ {
+ /* Get the XdndActionList, if set */
- /* Get the XdndActionList, if set */
+ gdk_x11_display_error_trap_push (display);
+ if (XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display),
+ GDK_WINDOW_XID (context->source_window),
+ gdk_x11_get_xatom_by_name_for_display (display, "XdndActionList"),
+ 0, 65536,
+ False, XA_ATOM, &type, &format, &nitems,
+ &after, &data) == Success &&
+ type == XA_ATOM)
+ {
+ atoms = (Atom *)data;
- XGetWindowProperty (GDK_DRAWABLE_XDISPLAY (context->source_window),
- GDK_DRAWABLE_XID (context->source_window),
- gdk_atom_intern ("XdndActionList", FALSE), 0, 65536,
- False, XA_ATOM, &type, &format, &nitems,
- &after, (guchar **)&data);
-
- if (!gdk_error_code && (format == 32) && (type == XA_ATOM))
- {
- context->actions = 0;
+ context->actions = 0;
- for (i=0; i<nitems; i++)
- context->actions |= xdnd_action_from_atom (data[i]);
+ for (i = 0; i < nitems; i++)
+ context->actions |= xdnd_action_from_atom (display, atoms[i]);
- (PRIVATE_DATA (context))->xdnd_have_actions = TRUE;
+ context_x11->xdnd_have_actions = TRUE;
#ifdef G_ENABLE_DEBUG
- if (gdk_debug_flags & GDK_DEBUG_DND)
- {
- GString *action_str = g_string_new (NULL);
- if (context->actions & GDK_ACTION_MOVE)
- g_string_append(action_str, "MOVE ");
- if (context->actions & GDK_ACTION_COPY)
- g_string_append(action_str, "COPY ");
- if (context->actions & GDK_ACTION_LINK)
- g_string_append(action_str, "LINK ");
- if (context->actions & GDK_ACTION_ASK)
- g_string_append(action_str, "ASK ");
-
- g_message("Xdnd actions = %s", action_str->str);
- g_string_free (action_str, TRUE);
- }
+ if (_gdk_debug_flags & GDK_DEBUG_DND)
+ {
+ GString *action_str = g_string_new (NULL);
+ if (context->actions & GDK_ACTION_MOVE)
+ g_string_append(action_str, "MOVE ");
+ if (context->actions & GDK_ACTION_COPY)
+ g_string_append(action_str, "COPY ");
+ if (context->actions & GDK_ACTION_LINK)
+ g_string_append(action_str, "LINK ");
+ if (context->actions & GDK_ACTION_ASK)
+ g_string_append(action_str, "ASK ");
+
+ g_message("Xdnd actions = %s", action_str->str);
+ g_string_free (action_str, TRUE);
+ }
#endif /* G_ENABLE_DEBUG */
- XFree(data);
+ }
+
+ if (data)
+ XFree (data);
+
+ gdk_x11_display_error_trap_pop_ignored (display);
}
+ else
+ {
+ /* Local drag
+ */
+ GdkDragContext *source_context;
- gdk_error_warnings = old_warnings;
- gdk_error_code = 0;
+ source_context = gdk_drag_context_find (display, TRUE,
+ GDK_WINDOW_XID (context->source_window),
+ GDK_WINDOW_XID (context->dest_window));
+
+ if (source_context)
+ {
+ context->actions = source_context->actions;
+ context_x11->xdnd_have_actions = TRUE;
+ }
+ }
}
/* We have to make sure that the XdndActionList we keep internally
* to continually send actions. So we select on PropertyChangeMask
* and add this filter.
*/
-static GdkFilterReturn
+static GdkFilterReturn
xdnd_source_window_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer cb_data)
+ GdkEvent *event,
+ gpointer cb_data)
{
XEvent *xevent = (XEvent *)xev;
- GdkDragContext *context = cb_data;
+ GdkX11DragContext *context_x11 = cb_data;
+ GdkDisplay *display = GDK_WINDOW_DISPLAY(event->any.window);
if ((xevent->xany.type == PropertyNotify) &&
- (xevent->xproperty.atom == gdk_atom_intern ("XdndActionList", FALSE)))
+ (xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (display, "XdndActionList")))
{
- xdnd_read_actions (context);
+ xdnd_read_actions (context_x11);
return GDK_FILTER_REMOVE;
}
static void
xdnd_manage_source_filter (GdkDragContext *context,
- GdkWindow *window,
- gboolean add_filter)
+ GdkWindow *window,
+ gboolean add_filter)
{
- gint old_warnings = 0; /* quiet gcc */
+ if (!GDK_WINDOW_DESTROYED (window) &&
+ gdk_window_get_window_type (window) == GDK_WINDOW_FOREIGN)
+ {
+ gdk_x11_display_error_trap_push (GDK_WINDOW_DISPLAY (window));
+
+ if (add_filter)
+ {
+ gdk_window_set_events (window,
+ gdk_window_get_events (window) |
+ GDK_PROPERTY_CHANGE_MASK);
+ gdk_window_add_filter (window, xdnd_source_window_filter, context);
+ }
+ else
+ {
+ gdk_window_remove_filter (window,
+ xdnd_source_window_filter,
+ context);
+ /* Should we remove the GDK_PROPERTY_NOTIFY mask?
+ * but we might want it for other reasons. (Like
+ * INCR selection transactions).
+ */
+ }
+
+ gdk_x11_display_error_trap_pop_ignored (GDK_WINDOW_DISPLAY (window));
+ }
+}
- gdk_error_trap_push ();
+static void
+base_precache_atoms (GdkDisplay *display)
+{
+ GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
- if (!GDK_WINDOW_DESTROYED (window))
+ if (!display_x11->base_dnd_atoms_precached)
{
- if (add_filter)
- {
- gdk_window_set_events (window,
- gdk_window_get_events (window) |
- GDK_PROPERTY_CHANGE_MASK);
- gdk_window_add_filter (window, xdnd_source_window_filter, context);
+ static const char *const precache_atoms[] = {
+ "WM_STATE",
+ "XdndAware",
+ "XdndProxy"
+ };
- }
- else
- {
- gdk_window_remove_filter (window,
- xdnd_source_window_filter,
- context);
- /* Should we remove the GDK_PROPERTY_NOTIFY mask?
- * but we might want it for other reasons. (Like
- * INCR selection transactions).
- */
- }
+ _gdk_x11_precache_atoms (display,
+ precache_atoms, G_N_ELEMENTS (precache_atoms));
+
+ display_x11->base_dnd_atoms_precached = TRUE;
}
+}
+
+static void
+xdnd_precache_atoms (GdkDisplay *display)
+{
+ GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
+
+ if (!display_x11->xdnd_atoms_precached)
+ {
+ static const gchar *const precache_atoms[] = {
+ "XdndActionAsk",
+ "XdndActionCopy",
+ "XdndActionLink",
+ "XdndActionList",
+ "XdndActionMove",
+ "XdndActionPrivate",
+ "XdndDrop",
+ "XdndEnter",
+ "XdndFinished",
+ "XdndLeave",
+ "XdndPosition",
+ "XdndSelection",
+ "XdndStatus",
+ "XdndTypeList"
+ };
- gdk_flush ();
- gdk_error_trap_pop ();
+ _gdk_x11_precache_atoms (display,
+ precache_atoms, G_N_ELEMENTS (precache_atoms));
+
+ display_x11->xdnd_atoms_precached = TRUE;
+ }
}
-static GdkFilterReturn
+static GdkFilterReturn
xdnd_enter_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer cb_data)
+ GdkEvent *event,
+ gpointer cb_data)
{
+ GdkDeviceManager *device_manager;
+ GdkDisplay *display;
+ GdkX11Display *display_x11;
XEvent *xevent = (XEvent *)xev;
- GdkDragContext *new_context;
+ GdkDragContext *context;
+ GdkX11DragContext *context_x11;
gint i;
-
Atom type;
int format;
gulong nitems, after;
- Atom *data;
+ guchar *data;
+ Atom *atoms;
+ guint32 source_window;
+ gboolean get_types;
+ gint version;
- guint32 source_window = xevent->xclient.data.l[0];
- gboolean get_types = ((xevent->xclient.data.l[1] & 1) != 0);
- gint version = (xevent->xclient.data.l[1] & 0xff000000) >> 24;
-
- GDK_NOTE (DND,
- g_message ("XdndEnter: source_window: %#x, version: %#x",
- source_window, version));
-
- if (version != 3)
+ if (!event->any.window ||
+ gdk_window_get_window_type (event->any.window) == GDK_WINDOW_FOREIGN)
+ return GDK_FILTER_CONTINUE; /* Not for us */
+
+ source_window = xevent->xclient.data.l[0];
+ get_types = ((xevent->xclient.data.l[1] & 1) != 0);
+ version = (xevent->xclient.data.l[1] & 0xff000000) >> 24;
+
+ display = GDK_WINDOW_DISPLAY (event->any.window);
+ display_x11 = GDK_X11_DISPLAY (display);
+
+ xdnd_precache_atoms (display);
+
+ GDK_NOTE (DND,
+ g_message ("XdndEnter: source_window: %#x, version: %#x",
+ source_window, version));
+
+ if (version < 3)
{
/* Old source ignore */
GDK_NOTE (DND, g_message ("Ignored old XdndEnter message"));
return GDK_FILTER_REMOVE;
}
-
- if (current_dest_drag != NULL)
+
+ if (display_x11->current_dest_drag != NULL)
{
- gdk_drag_context_unref (current_dest_drag);
- current_dest_drag = NULL;
+ g_object_unref (display_x11->current_dest_drag);
+ display_x11->current_dest_drag = NULL;
}
- new_context = gdk_drag_context_new ();
- new_context->protocol = GDK_DRAG_PROTO_XDND;
- new_context->is_source = FALSE;
+ context_x11 = (GdkX11DragContext *)g_object_new (GDK_TYPE_X11_DRAG_CONTEXT, NULL);
+ context = (GdkDragContext *)context_x11;
- new_context->source_window = gdk_window_lookup (source_window);
- if (new_context->source_window)
- gdk_window_ref (new_context->source_window);
- else
+ context->protocol = GDK_DRAG_PROTO_XDND;
+ context_x11->version = version;
+
+ /* FIXME: Should extend DnD protocol to have device info */
+ device_manager = gdk_display_get_device_manager (display);
+ gdk_drag_context_set_device (context, gdk_device_manager_get_client_pointer (device_manager));
+
+ context->source_window = gdk_x11_window_foreign_new_for_display (display, source_window);
+ if (!context->source_window)
{
- new_context->source_window = gdk_window_foreign_new (source_window);
- if (!new_context->source_window)
- {
- gdk_drag_context_unref (new_context);
- return GDK_FILTER_REMOVE;
- }
+ g_object_unref (context);
+ return GDK_FILTER_REMOVE;
}
- new_context->dest_window = event->any.window;
- gdk_window_ref (new_context->dest_window);
+ context->dest_window = event->any.window;
+ g_object_ref (context->dest_window);
- new_context->targets = NULL;
+ context->targets = NULL;
if (get_types)
{
- gdk_error_trap_push ();
- XGetWindowProperty (GDK_DRAWABLE_XDISPLAY (event->any.window),
- source_window,
- gdk_atom_intern ("XdndTypeList", FALSE), 0, 65536,
- False, XA_ATOM, &type, &format, &nitems,
- &after, (guchar **)&data);
-
- if (gdk_error_trap_pop () || (format != 32) || (type != XA_ATOM))
- {
- gdk_drag_context_unref (new_context);
- return GDK_FILTER_REMOVE;
- }
-
- for (i=0; i<nitems; i++)
- new_context->targets = g_list_append (new_context->targets,
- GUINT_TO_POINTER (data[i]));
-
- XFree(data);
+ gdk_x11_display_error_trap_push (display);
+ XGetWindowProperty (GDK_WINDOW_XDISPLAY (event->any.window),
+ source_window,
+ gdk_x11_get_xatom_by_name_for_display (display, "XdndTypeList"),
+ 0, 65536,
+ False, XA_ATOM, &type, &format, &nitems,
+ &after, &data);
+
+ if (gdk_x11_display_error_trap_pop (display) || (format != 32) || (type != XA_ATOM))
+ {
+ g_object_unref (context);
+
+ if (data)
+ XFree (data);
+
+ return GDK_FILTER_REMOVE;
+ }
+
+ atoms = (Atom *)data;
+
+ for (i = 0; i < nitems; i++)
+ context->targets =
+ g_list_append (context->targets,
+ GDK_ATOM_TO_POINTER (gdk_x11_xatom_to_atom_for_display (display,
+ atoms[i])));
+
+ XFree (atoms);
}
else
{
- for (i=0; i<3; i++)
- if (xevent->xclient.data.l[2+i])
- new_context->targets = g_list_append (new_context->targets,
- GUINT_TO_POINTER (xevent->xclient.data.l[2+i]));
+ for (i = 0; i < 3; i++)
+ if (xevent->xclient.data.l[2 + i])
+ context->targets =
+ g_list_append (context->targets,
+ GDK_ATOM_TO_POINTER (gdk_x11_xatom_to_atom_for_display (display,
+ xevent->xclient.data.l[2 + i])));
}
#ifdef G_ENABLE_DEBUG
- if (gdk_debug_flags & GDK_DEBUG_DND)
- print_target_list (new_context->targets);
+ if (_gdk_debug_flags & GDK_DEBUG_DND)
+ print_target_list (context->targets);
#endif /* G_ENABLE_DEBUG */
- xdnd_manage_source_filter (new_context, new_context->source_window, TRUE);
- xdnd_read_actions (new_context);
+ xdnd_manage_source_filter (context, context->source_window, TRUE);
+ xdnd_read_actions (context_x11);
event->dnd.type = GDK_DRAG_ENTER;
- event->dnd.context = new_context;
- gdk_drag_context_ref (new_context);
+ event->dnd.context = context;
+ gdk_event_set_device (event, gdk_drag_context_get_device (context));
+ g_object_ref (context);
- current_dest_drag = new_context;
- (PRIVATE_DATA (new_context))->xdnd_selection =
- gdk_atom_intern ("XdndSelection", FALSE);
+ display_x11->current_dest_drag = context;
return GDK_FILTER_TRANSLATE;
}
-static GdkFilterReturn
+static GdkFilterReturn
xdnd_leave_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data)
+ GdkEvent *event,
+ gpointer data)
{
XEvent *xevent = (XEvent *)xev;
guint32 source_window = xevent->xclient.data.l[0];
-
- GDK_NOTE (DND,
- g_message ("XdndLeave: source_window: %#x",
- source_window));
-
- if ((current_dest_drag != NULL) &&
- (current_dest_drag->protocol == GDK_DRAG_PROTO_XDND) &&
- (GDK_DRAWABLE_XID (current_dest_drag->source_window) == source_window))
+ GdkDisplay *display;
+ GdkX11Display *display_x11;
+
+ if (!event->any.window ||
+ gdk_window_get_window_type (event->any.window) == GDK_WINDOW_FOREIGN)
+ return GDK_FILTER_CONTINUE; /* Not for us */
+
+ GDK_NOTE (DND,
+ g_message ("XdndLeave: source_window: %#x",
+ source_window));
+
+ display = GDK_WINDOW_DISPLAY (event->any.window);
+ display_x11 = GDK_X11_DISPLAY (display);
+
+ xdnd_precache_atoms (display);
+
+ if ((display_x11->current_dest_drag != NULL) &&
+ (display_x11->current_dest_drag->protocol == GDK_DRAG_PROTO_XDND) &&
+ (GDK_WINDOW_XID (display_x11->current_dest_drag->source_window) == source_window))
{
event->dnd.type = GDK_DRAG_LEAVE;
/* Pass ownership of context to the event */
- event->dnd.context = current_dest_drag;
+ event->dnd.context = display_x11->current_dest_drag;
+ gdk_event_set_device (event, gdk_drag_context_get_device (event->dnd.context));
- current_dest_drag = NULL;
+ display_x11->current_dest_drag = NULL;
return GDK_FILTER_TRANSLATE;
}
return GDK_FILTER_REMOVE;
}
-static GdkFilterReturn
+static GdkFilterReturn
xdnd_position_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data)
+ GdkEvent *event,
+ gpointer data)
{
XEvent *xevent = (XEvent *)xev;
guint32 source_window = xevent->xclient.data.l[0];
gint16 x_root = xevent->xclient.data.l[2] >> 16;
gint16 y_root = xevent->xclient.data.l[2] & 0xffff;
guint32 time = xevent->xclient.data.l[3];
- GdkAtom action = xevent->xclient.data.l[4];
-
- GDK_NOTE (DND,
- g_message ("XdndPosition: source_window: %#x position: (%d, %d) time: %d action: %ld",
- source_window, x_root, y_root, time, action));
-
-
- if ((current_dest_drag != NULL) &&
- (current_dest_drag->protocol == GDK_DRAG_PROTO_XDND) &&
- (GDK_DRAWABLE_XID (current_dest_drag->source_window) == source_window))
+ Atom action = xevent->xclient.data.l[4];
+ GdkDisplay *display;
+ GdkX11Display *display_x11;
+ GdkDragContext *context;
+ GdkX11DragContext *context_x11;
+
+ if (!event->any.window ||
+ gdk_window_get_window_type (event->any.window) == GDK_WINDOW_FOREIGN)
+ return GDK_FILTER_CONTINUE; /* Not for us */
+
+ GDK_NOTE (DND,
+ g_message ("XdndPosition: source_window: %#x position: (%d, %d) time: %d action: %ld",
+ source_window, x_root, y_root, time, action));
+
+ display = GDK_WINDOW_DISPLAY (event->any.window);
+ display_x11 = GDK_X11_DISPLAY (display);
+
+ xdnd_precache_atoms (display);
+
+ context = display_x11->current_dest_drag;
+
+ if ((context != NULL) &&
+ (context->protocol == GDK_DRAG_PROTO_XDND) &&
+ (GDK_WINDOW_XID (context->source_window) == source_window))
{
+ context_x11 = GDK_X11_DRAG_CONTEXT (context);
+
event->dnd.type = GDK_DRAG_MOTION;
- event->dnd.context = current_dest_drag;
- gdk_drag_context_ref (current_dest_drag);
+ event->dnd.context = context;
+ gdk_event_set_device (event, gdk_drag_context_get_device (context));
+ g_object_ref (context);
event->dnd.time = time;
- current_dest_drag->suggested_action = xdnd_action_from_atom (action);
- if (!(PRIVATE_DATA (current_dest_drag))->xdnd_have_actions)
- current_dest_drag->actions = current_dest_drag->suggested_action;
+ context->suggested_action = xdnd_action_from_atom (display, action);
+
+ if (!context_x11->xdnd_have_actions)
+ context->actions = context->suggested_action;
event->dnd.x_root = x_root;
event->dnd.y_root = y_root;
- (PRIVATE_DATA (current_dest_drag))->last_x = x_root;
- (PRIVATE_DATA (current_dest_drag))->last_y = y_root;
-
+ context_x11->last_x = x_root;
+ context_x11->last_y = y_root;
+
return GDK_FILTER_TRANSLATE;
}
return GDK_FILTER_REMOVE;
}
-static GdkFilterReturn
+static GdkFilterReturn
xdnd_drop_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data)
+ GdkEvent *event,
+ gpointer data)
{
XEvent *xevent = (XEvent *)xev;
guint32 source_window = xevent->xclient.data.l[0];
guint32 time = xevent->xclient.data.l[2];
-
- GDK_NOTE (DND,
- g_message ("XdndDrop: source_window: %#x time: %d",
- source_window, time));
-
- if ((current_dest_drag != NULL) &&
- (current_dest_drag->protocol == GDK_DRAG_PROTO_XDND) &&
- (GDK_DRAWABLE_XID (current_dest_drag->source_window) == source_window))
- {
- GdkDragContextPrivateX11 *private;
- private = PRIVATE_DATA (current_dest_drag);
+ GdkDisplay *display;
+ GdkX11Display *display_x11;
+ GdkDragContext *context;
+ GdkX11DragContext *context_x11;
+
+ if (!event->any.window ||
+ gdk_window_get_window_type (event->any.window) == GDK_WINDOW_FOREIGN)
+ return GDK_FILTER_CONTINUE; /* Not for us */
+
+ GDK_NOTE (DND,
+ g_message ("XdndDrop: source_window: %#x time: %d",
+ source_window, time));
+ display = GDK_WINDOW_DISPLAY (event->any.window);
+ display_x11 = GDK_X11_DISPLAY (display);
+
+ xdnd_precache_atoms (display);
+
+ context = display_x11->current_dest_drag;
+
+ if ((context != NULL) &&
+ (context->protocol == GDK_DRAG_PROTO_XDND) &&
+ (GDK_WINDOW_XID (context->source_window) == source_window))
+ {
+ context_x11 = GDK_X11_DRAG_CONTEXT (context);
event->dnd.type = GDK_DROP_START;
- event->dnd.context = current_dest_drag;
- gdk_drag_context_ref (current_dest_drag);
+ event->dnd.context = context;
+ gdk_event_set_device (event, gdk_drag_context_get_device (context));
+ g_object_ref (context);
event->dnd.time = time;
- event->dnd.x_root = private->last_x;
- event->dnd.y_root = private->last_y;
-
+ event->dnd.x_root = context_x11->last_x;
+ event->dnd.y_root = context_x11->last_y;
+
+ gdk_x11_window_set_user_time (event->any.window, time);
+
return GDK_FILTER_TRANSLATE;
}
return GDK_FILTER_REMOVE;
}
-/*************************************************************
- ************************** Public API ***********************
- *************************************************************/
-
-void
-gdk_dnd_init (void)
+GdkFilterReturn
+_gdk_x11_dnd_filter (GdkXEvent *xev,
+ GdkEvent *event,
+ gpointer data)
{
- init_byte_order();
-
- gdk_add_client_message_filter (
- gdk_atom_intern ("_MOTIF_DRAG_AND_DROP_MESSAGE", FALSE),
- motif_dnd_filter, NULL);
- gdk_add_client_message_filter (
- gdk_atom_intern ("XdndEnter", FALSE),
- xdnd_enter_filter, NULL);
- gdk_add_client_message_filter (
- gdk_atom_intern ("XdndLeave", FALSE),
- xdnd_leave_filter, NULL);
- gdk_add_client_message_filter (
- gdk_atom_intern ("XdndPosition", FALSE),
- xdnd_position_filter, NULL);
- gdk_add_client_message_filter (
- gdk_atom_intern ("XdndStatus", FALSE),
- xdnd_status_filter, NULL);
- gdk_add_client_message_filter (
- gdk_atom_intern ("XdndFinished", FALSE),
- xdnd_finished_filter, NULL);
- gdk_add_client_message_filter (
- gdk_atom_intern ("XdndDrop", FALSE),
- xdnd_drop_filter, NULL);
-}
+ XEvent *xevent = (XEvent *) xev;
+ GdkDisplay *display;
+ int i;
+
+ if (!GDK_IS_X11_WINDOW (event->any.window))
+ return GDK_FILTER_CONTINUE;
+
+ if (xevent->type != ClientMessage)
+ return GDK_FILTER_CONTINUE;
+
+ display = GDK_WINDOW_DISPLAY (event->any.window);
+
+ for (i = 0; i < G_N_ELEMENTS (xdnd_filters); i++)
+ {
+ if (xevent->xclient.message_type != gdk_x11_get_xatom_by_name_for_display (display, xdnd_filters[i].atom_name))
+ continue;
+
+ return xdnd_filters[i].func (xev, event, data);
+ }
+
+ return GDK_FILTER_CONTINUE;
+}
/* Source side */
static void
-gdk_drag_do_leave (GdkDragContext *context, guint32 time)
+gdk_drag_do_leave (GdkX11DragContext *context_x11,
+ guint32 time)
{
+ GdkDragContext *context = GDK_DRAG_CONTEXT (context_x11);
+
if (context->dest_window)
{
switch (context->protocol)
- {
- case GDK_DRAG_PROTO_MOTIF:
- motif_send_leave (context, time);
- break;
- case GDK_DRAG_PROTO_XDND:
- xdnd_send_leave (context);
- break;
- case GDK_DRAG_PROTO_ROOTWIN:
- case GDK_DRAG_PROTO_NONE:
- default:
- break;
- }
-
- gdk_window_unref (context->dest_window);
+ {
+ case GDK_DRAG_PROTO_XDND:
+ xdnd_send_leave (context_x11);
+ break;
+ case GDK_DRAG_PROTO_ROOTWIN:
+ case GDK_DRAG_PROTO_NONE:
+ default:
+ break;
+ }
+
+ g_object_unref (context->dest_window);
context->dest_window = NULL;
}
}
-GdkDragContext *
-gdk_drag_begin (GdkWindow *window,
- GList *targets)
+GdkDragContext *
+_gdk_x11_window_drag_begin (GdkWindow *window,
+ GdkDevice *device,
+ GList *targets)
{
- GList *tmp_list;
- GdkDragContext *new_context;
-
- g_return_val_if_fail (window != NULL, NULL);
+ GdkDragContext *context;
- new_context = gdk_drag_context_new ();
- new_context->is_source = TRUE;
- new_context->source_window = window;
- gdk_window_ref (window);
+ context = (GdkDragContext *) g_object_new (GDK_TYPE_X11_DRAG_CONTEXT, NULL);
- tmp_list = g_list_last (targets);
- new_context->targets = NULL;
- while (tmp_list)
- {
- new_context->targets = g_list_prepend (new_context->targets,
- tmp_list->data);
- tmp_list = tmp_list->prev;
- }
+ context->is_source = TRUE;
+ context->source_window = window;
+ g_object_ref (window);
+
+ context->targets = g_list_copy (targets);
+ precache_target_list (context);
+
+ context->actions = 0;
- new_context->actions = 0;
+ gdk_drag_context_set_device (context, device);
- return new_context;
+ return context;
}
-guint32
-gdk_drag_get_protocol (guint32 xid,
- GdkDragProtocol *protocol)
+Window
+_gdk_x11_display_get_drag_protocol (GdkDisplay *display,
+ Window xid,
+ GdkDragProtocol *protocol,
+ guint *version)
+
{
- guint32 retval;
-
- if ((retval = xdnd_check_dest (xid)))
+ GdkWindow *window;
+ Window retval;
+
+ base_precache_atoms (display);
+
+ /* Check for a local drag */
+ window = gdk_x11_window_lookup_for_display (display, xid);
+ if (window && gdk_window_get_window_type (window) != GDK_WINDOW_FOREIGN)
{
- *protocol = GDK_DRAG_PROTO_XDND;
- GDK_NOTE (DND, g_message ("Entering dnd window %#x\n", xid));
- return retval;
+ if (g_object_get_data (G_OBJECT (window), "gdk-dnd-registered") != NULL)
+ {
+ *protocol = GDK_DRAG_PROTO_XDND;
+ *version = 5;
+ xdnd_precache_atoms (display);
+ GDK_NOTE (DND, g_message ("Entering local Xdnd window %#x\n", (guint) xid));
+ return xid;
+ }
+ else if (_gdk_x11_display_is_root_window (display, xid))
+ {
+ *protocol = GDK_DRAG_PROTO_ROOTWIN;
+ GDK_NOTE (DND, g_message ("Entering root window\n"));
+ return xid;
+ }
}
- else if ((retval = motif_check_dest (xid)))
+ else if ((retval = xdnd_check_dest (display, xid, version)))
{
- *protocol = GDK_DRAG_PROTO_MOTIF;
- GDK_NOTE (DND, g_message ("Entering motif window %#x\n", xid));
+ *protocol = GDK_DRAG_PROTO_XDND;
+ xdnd_precache_atoms (display);
+ GDK_NOTE (DND, g_message ("Entering Xdnd window %#x\n", (guint) xid));
return retval;
}
else
{
/* Check if this is a root window */
-
gboolean rootwin = FALSE;
- gint old_warnings = gdk_error_warnings;
- Atom type = None;
- int format;
- unsigned long nitems, after;
- unsigned char *data;
-
- if (xid == gdk_root_window)
- rootwin = TRUE;
-
- gdk_error_warnings = 0;
-
- if (!rootwin)
- {
- gdk_error_code = 0;
-
- XGetWindowProperty (gdk_display, xid,
- gdk_atom_intern ("ENLIGHTENMENT_DESKTOP", FALSE),
- 0, 0, False, AnyPropertyType,
- &type, &format, &nitems, &after, &data);
- if ((gdk_error_code == 0) && type != None)
- {
- XFree (data);
- rootwin = TRUE;
- }
- }
-
- /* Until I find out what window manager the next one is for,
- * I'm leaving it commented out. It's supported in the
- * xscreensaver sources, though.
- */
-#if 0
- if (!rootwin)
- {
- gdk_error_code = 0;
-
- XGetWindowProperty (gdk_display, win,
- gdk_atom_intern ("__SWM_VROOT", FALSE),
- 0, 0, False, AnyPropertyType,
- &type, &format, &nitems, &data);
- if ((gdk_error_code == 0) && type != None)
- rootwin = TRUE;
- }
-#endif
-
- gdk_error_warnings = old_warnings;
+
+ if (_gdk_x11_display_is_root_window (display, (Window) xid))
+ rootwin = TRUE;
if (rootwin)
- {
- *protocol = GDK_DRAG_PROTO_ROOTWIN;
- return xid;
- }
+ {
+ GDK_NOTE (DND, g_message ("Entering root window\n"));
+ *protocol = GDK_DRAG_PROTO_ROOTWIN;
+ return xid;
+ }
}
*protocol = GDK_DRAG_PROTO_NONE;
- return GDK_NONE;
+
+ return 0; /* a.k.a. None */
}
-void
-gdk_drag_find_window (GdkDragContext *context,
- GdkWindow *drag_window,
- gint x_root,
- gint y_root,
- GdkWindow **dest_window,
- GdkDragProtocol *protocol)
+static GdkWindowCache *
+drag_context_find_window_cache (GdkX11DragContext *context_x11,
+ GdkScreen *screen)
+{
+ GSList *list;
+ GdkWindowCache *cache;
+
+ for (list = context_x11->window_caches; list; list = list->next)
+ {
+ cache = list->data;
+ if (cache->screen == screen)
+ return cache;
+ }
+
+ cache = gdk_window_cache_get (screen);
+ context_x11->window_caches = g_slist_prepend (context_x11->window_caches, cache);
+
+ return cache;
+}
+
+static GdkWindow *
+gdk_x11_drag_context_find_window (GdkDragContext *context,
+ GdkWindow *drag_window,
+ GdkScreen *screen,
+ gint x_root,
+ gint y_root,
+ GdkDragProtocol *protocol)
{
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
+ GdkX11DragContext *context_x11 = GDK_X11_DRAG_CONTEXT (context);
+ GdkWindowCache *window_cache;
+ GdkDisplay *display;
Window dest;
+ GdkWindow *dest_window;
- g_return_if_fail (context != NULL);
+ display = GDK_WINDOW_DISPLAY (context->source_window);
- if (!private->window_cache)
- private->window_cache = gdk_window_cache_new();
+ window_cache = drag_context_find_window_cache (context_x11, screen);
- dest = get_client_window_at_coords (private->window_cache,
- drag_window ?
- GDK_DRAWABLE_XID (drag_window) : GDK_NONE,
- x_root, y_root);
+ dest = get_client_window_at_coords (window_cache,
+ drag_window && GDK_WINDOW_IS_X11 (drag_window) ?
+ GDK_WINDOW_XID (drag_window) : None,
+ x_root, y_root);
- if (private->dest_xid != dest)
+ if (context_x11->dest_xid != dest)
{
Window recipient;
- private->dest_xid = dest;
+ context_x11->dest_xid = dest;
/* Check if new destination accepts drags, and which protocol */
* two are passed explicitely, the third implicitly through
* protocol->dest_xid.
*/
- if ((recipient = gdk_drag_get_protocol (dest, protocol)))
- {
- *dest_window = gdk_window_lookup (recipient);
- if (*dest_window)
- gdk_window_ref (*dest_window);
- else
- *dest_window = gdk_window_foreign_new (recipient);
- }
+ recipient = _gdk_x11_display_get_drag_protocol (display,
+ dest,
+ protocol,
+ &context_x11->version);
+
+ if (recipient != None)
+ dest_window = gdk_x11_window_foreign_new_for_display (display, recipient);
else
- *dest_window = NULL;
+ dest_window = NULL;
}
else
{
- *dest_window = context->dest_window;
- if (*dest_window)
- gdk_window_ref (*dest_window);
+ dest_window = context->dest_window;
+ if (dest_window)
+ g_object_ref (dest_window);
*protocol = context->protocol;
}
+
+ return dest_window;
}
-gboolean
-gdk_drag_motion (GdkDragContext *context,
- GdkWindow *dest_window,
- GdkDragProtocol protocol,
- gint x_root,
- gint y_root,
- GdkDragAction suggested_action,
- GdkDragAction possible_actions,
- guint32 time)
-{
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
+static gboolean
+gdk_x11_drag_context_drag_motion (GdkDragContext *context,
+ GdkWindow *dest_window,
+ GdkDragProtocol protocol,
+ gint x_root,
+ gint y_root,
+ GdkDragAction suggested_action,
+ GdkDragAction possible_actions,
+ guint32 time)
+{
+ GdkX11DragContext *context_x11 = GDK_X11_DRAG_CONTEXT (context);
+
+ context_x11->old_actions = context->actions;
+ context->actions = possible_actions;
- g_return_val_if_fail (context != NULL, FALSE);
+ if (context_x11->old_actions != possible_actions)
+ context_x11->xdnd_actions_set = FALSE;
+
+ if (protocol == GDK_DRAG_PROTO_XDND && context_x11->version == 0)
+ {
+ /* This ugly hack is necessary since GTK+ doesn't know about
+ * the XDND protocol version, and in particular doesn't know
+ * that gdk_drag_find_window_for_screen() has the side-effect
+ * of setting context_x11->version, and therefore sometimes call
+ * gdk_drag_motion() without a prior call to
+ * gdk_drag_find_window_for_screen(). This happens, e.g.
+ * when GTK+ is proxying DND events to embedded windows.
+ */
+ if (dest_window)
+ {
+ GdkDisplay *display = GDK_WINDOW_DISPLAY (dest_window);
+
+ xdnd_check_dest (display,
+ GDK_WINDOW_XID (dest_window),
+ &context_x11->version);
+ }
+ }
/* When we have a Xdnd target, make sure our XdndActionList
* matches the current actions;
*/
- private->old_actions = context->actions;
- context->actions = possible_actions;
-
- if ((protocol == GDK_DRAG_PROTO_XDND) &&
- (!private->xdnd_actions_set ||
- private->xdnd_actions != possible_actions))
- xdnd_set_actions (context);
+ if (protocol == GDK_DRAG_PROTO_XDND && !context_x11->xdnd_actions_set)
+ {
+ if (dest_window)
+ {
+ if (gdk_window_get_window_type (dest_window) == GDK_WINDOW_FOREIGN)
+ xdnd_set_actions (context_x11);
+ else if (context->dest_window == dest_window)
+ {
+ GdkDisplay *display = GDK_WINDOW_DISPLAY (dest_window);
+ GdkDragContext *dest_context;
+
+ dest_context = gdk_drag_context_find (display, FALSE,
+ GDK_WINDOW_XID (context->source_window),
+ GDK_WINDOW_XID (dest_window));
+
+ if (dest_context)
+ {
+ dest_context->actions = context->actions;
+ GDK_X11_DRAG_CONTEXT (dest_context)->xdnd_have_actions = TRUE;
+ }
+ }
+ }
+ }
if (context->dest_window != dest_window)
{
- GdkEvent temp_event;
+ GdkEvent *temp_event;
/* Send a leave to the last destination */
- gdk_drag_do_leave (context, time);
- private->drag_status = GDK_DRAG_STATUS_DRAG;
+ gdk_drag_do_leave (context_x11, time);
+ context_x11->drag_status = GDK_DRAG_STATUS_DRAG;
/* Check if new destination accepts drags, and which protocol */
if (dest_window)
- {
- context->dest_window = dest_window;
- private->drop_xid = private->dest_xid;
- gdk_window_ref (context->dest_window);
- context->protocol = protocol;
-
- switch (protocol)
- {
- case GDK_DRAG_PROTO_MOTIF:
- motif_send_enter (context, time);
- break;
-
- case GDK_DRAG_PROTO_XDND:
- xdnd_send_enter (context);
- break;
-
- case GDK_DRAG_PROTO_ROOTWIN:
- case GDK_DRAG_PROTO_NONE:
- default:
- break;
- }
- private->old_action = suggested_action;
- context->suggested_action = suggested_action;
- private->old_actions = possible_actions;
- }
+ {
+ context->dest_window = dest_window;
+ context_x11->drop_xid = context_x11->dest_xid;
+ g_object_ref (context->dest_window);
+ context->protocol = protocol;
+
+ switch (protocol)
+ {
+ case GDK_DRAG_PROTO_XDND:
+ xdnd_send_enter (context_x11);
+ break;
+
+ case GDK_DRAG_PROTO_ROOTWIN:
+ case GDK_DRAG_PROTO_NONE:
+ default:
+ break;
+ }
+ context_x11->old_action = suggested_action;
+ context->suggested_action = suggested_action;
+ context_x11->old_actions = possible_actions;
+ }
else
- {
- context->dest_window = NULL;
- private->drop_xid = None;
- context->action = 0;
- }
+ {
+ context->dest_window = NULL;
+ context_x11->drop_xid = None;
+ context->action = 0;
+ }
/* Push a status event, to let the client know that
- * the drag changed
+ * the drag changed
*/
-
- temp_event.dnd.type = GDK_DRAG_STATUS;
- temp_event.dnd.window = context->source_window;
+ temp_event = gdk_event_new (GDK_DRAG_STATUS);
+ temp_event->dnd.window = g_object_ref (context->source_window);
/* We use this to signal a synthetic status. Perhaps
* we should use an extra field...
*/
- temp_event.dnd.send_event = TRUE;
+ temp_event->dnd.send_event = TRUE;
- temp_event.dnd.context = context;
- temp_event.dnd.time = time;
+ temp_event->dnd.context = g_object_ref (context);
+ temp_event->dnd.time = time;
+ gdk_event_set_device (temp_event, gdk_drag_context_get_device (context));
- gdk_event_put (&temp_event);
+ gdk_event_put (temp_event);
+ gdk_event_free (temp_event);
}
else
{
- private->old_action = context->suggested_action;
+ context_x11->old_action = context->suggested_action;
context->suggested_action = suggested_action;
}
/* Send a drag-motion event */
- private->last_x = x_root;
- private->last_y = y_root;
-
+ context_x11->last_x = x_root;
+ context_x11->last_y = y_root;
+
if (context->dest_window)
{
- if (private->drag_status == GDK_DRAG_STATUS_DRAG)
- {
- switch (context->protocol)
- {
- case GDK_DRAG_PROTO_MOTIF:
- motif_send_motion (context, x_root, y_root, suggested_action, time);
- break;
-
- case GDK_DRAG_PROTO_XDND:
- xdnd_send_motion (context, x_root, y_root, suggested_action, time);
- break;
-
- case GDK_DRAG_PROTO_ROOTWIN:
- {
- GdkEvent temp_event;
-
- if (g_list_find (context->targets,
- GUINT_TO_POINTER (gdk_atom_intern ("application/x-rootwin-drop", FALSE))))
- context->action = context->suggested_action;
- else
- context->action = 0;
-
- temp_event.dnd.type = GDK_DRAG_STATUS;
- temp_event.dnd.window = context->source_window;
- temp_event.dnd.send_event = FALSE;
- temp_event.dnd.context = context;
- temp_event.dnd.time = time;
-
- gdk_event_put (&temp_event);
- }
- break;
- case GDK_DRAG_PROTO_NONE:
- g_warning ("GDK_DRAG_PROTO_NONE is not valid in gdk_drag_motion()");
- break;
- default:
- break;
- }
- }
+ if (context_x11->drag_status == GDK_DRAG_STATUS_DRAG)
+ {
+ switch (context->protocol)
+ {
+ case GDK_DRAG_PROTO_XDND:
+ xdnd_send_motion (context_x11, x_root, y_root, suggested_action, time);
+ break;
+
+ case GDK_DRAG_PROTO_ROOTWIN:
+ {
+ GdkEvent *temp_event;
+ /* GTK+ traditionally has used application/x-rootwin-drop,
+ * but the XDND spec specifies x-rootwindow-drop.
+ */
+ GdkAtom target1 = gdk_atom_intern_static_string ("application/x-rootwindow-drop");
+ GdkAtom target2 = gdk_atom_intern_static_string ("application/x-rootwin-drop");
+
+ if (g_list_find (context->targets,
+ GDK_ATOM_TO_POINTER (target1)) ||
+ g_list_find (context->targets,
+ GDK_ATOM_TO_POINTER (target2)))
+ context->action = context->suggested_action;
+ else
+ context->action = 0;
+
+ temp_event = gdk_event_new (GDK_DRAG_STATUS);
+ temp_event->dnd.window = g_object_ref (context->source_window);
+ temp_event->dnd.send_event = FALSE;
+ temp_event->dnd.context = g_object_ref (context);
+ temp_event->dnd.time = time;
+ gdk_event_set_device (temp_event, gdk_drag_context_get_device (context));
+
+ gdk_event_put (temp_event);
+ gdk_event_free (temp_event);
+ }
+ break;
+ case GDK_DRAG_PROTO_NONE:
+ g_warning ("GDK_DRAG_PROTO_NONE is not valid in gdk_drag_motion()");
+ break;
+ default:
+ break;
+ }
+ }
else
- return TRUE;
+ return TRUE;
}
return FALSE;
}
-void
-gdk_drag_drop (GdkDragContext *context,
- guint32 time)
+static void
+gdk_x11_drag_context_drag_abort (GdkDragContext *context,
+ guint32 time)
+{
+ gdk_drag_do_leave (GDK_X11_DRAG_CONTEXT (context), time);
+}
+
+static void
+gdk_x11_drag_context_drag_drop (GdkDragContext *context,
+ guint32 time)
{
- g_return_if_fail (context != NULL);
+ GdkX11DragContext *context_x11 = GDK_X11_DRAG_CONTEXT (context);
if (context->dest_window)
{
switch (context->protocol)
- {
- case GDK_DRAG_PROTO_MOTIF:
- motif_send_leave (context, time);
- motif_send_drop (context, time);
- break;
-
- case GDK_DRAG_PROTO_XDND:
- xdnd_send_drop (context, time);
- break;
-
- case GDK_DRAG_PROTO_ROOTWIN:
- g_warning ("Drops for GDK_DRAG_PROTO_ROOTWIN must be handled internally");
- break;
- case GDK_DRAG_PROTO_NONE:
- g_warning ("GDK_DRAG_PROTO_NONE is not valid in gdk_drag_drop()");
- break;
- default:
- break;
- }
- }
-}
+ {
+ case GDK_DRAG_PROTO_XDND:
+ xdnd_send_drop (context_x11, time);
+ break;
-void
-gdk_drag_abort (GdkDragContext *context,
- guint32 time)
-{
- g_return_if_fail (context != NULL);
-
- gdk_drag_do_leave (context, time);
+ case GDK_DRAG_PROTO_ROOTWIN:
+ g_warning ("Drops for GDK_DRAG_PROTO_ROOTWIN must be handled internally");
+ break;
+ case GDK_DRAG_PROTO_NONE:
+ g_warning ("GDK_DRAG_PROTO_NONE is not valid in gdk_drag_drop()");
+ break;
+ default:
+ break;
+ }
+ }
}
/* Destination side */
-void
-gdk_drag_status (GdkDragContext *context,
- GdkDragAction action,
- guint32 time)
+static void
+gdk_x11_drag_context_drag_status (GdkDragContext *context,
+ GdkDragAction action,
+ guint32 time_)
{
- GdkDragContextPrivateX11 *private;
+ GdkX11DragContext *context_x11 = GDK_X11_DRAG_CONTEXT (context);
XEvent xev;
+ GdkDisplay *display;
- g_return_if_fail (context != NULL);
-
- private = PRIVATE_DATA (context);
+ display = GDK_WINDOW_DISPLAY (context->source_window);
context->action = action;
-
- if (context->protocol == GDK_DRAG_PROTO_MOTIF)
- {
- xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_atom_intern ("_MOTIF_DRAG_AND_DROP_MESSAGE", FALSE);
- xev.xclient.format = 8;
- xev.xclient.window = GDK_DRAWABLE_XID (context->source_window);
-
- if (private->drag_status == GDK_DRAG_STATUS_ACTION_WAIT)
- {
- MOTIF_XCLIENT_BYTE (&xev, 0) = XmOPERATION_CHANGED | 0x80;
- }
- else
- {
- if ((action != 0) != (private->old_action != 0))
- {
- if (action != 0)
- MOTIF_XCLIENT_BYTE (&xev, 0) = XmDROP_SITE_ENTER | 0x80;
- else
- MOTIF_XCLIENT_BYTE (&xev, 0) = XmDROP_SITE_LEAVE | 0x80;
- }
- else
- MOTIF_XCLIENT_BYTE (&xev, 0) = XmDRAG_MOTION | 0x80;
- }
-
- MOTIF_XCLIENT_BYTE (&xev, 1) = local_byte_order;
-
- switch (action)
- {
- case GDK_ACTION_MOVE:
- MOTIF_XCLIENT_SHORT (&xev, 1) = XmDROP_MOVE;
- break;
- case GDK_ACTION_COPY:
- MOTIF_XCLIENT_SHORT (&xev, 1) = XmDROP_COPY;
- break;
- case GDK_ACTION_LINK:
- MOTIF_XCLIENT_SHORT (&xev, 1) = XmDROP_LINK;
- break;
- default:
- MOTIF_XCLIENT_SHORT (&xev, 1) = XmDROP_NOOP;
- break;
- }
-
- if (action)
- MOTIF_XCLIENT_SHORT (&xev, 1) |= (XmDROP_SITE_VALID << 4);
- else
- MOTIF_XCLIENT_SHORT (&xev, 1) |= (XmNO_DROP_SITE << 4);
- MOTIF_XCLIENT_LONG (&xev, 1) = time;
- MOTIF_XCLIENT_SHORT (&xev, 4) = private->last_x;
- MOTIF_XCLIENT_SHORT (&xev, 5) = private->last_y;
-
- if (!gdk_send_xevent (GDK_DRAWABLE_XID (context->source_window),
- FALSE, 0, &xev))
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->source_window)));
- }
- else if (context->protocol == GDK_DRAG_PROTO_XDND)
+ if (context->protocol == GDK_DRAG_PROTO_XDND)
{
xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_atom_intern ("XdndStatus", FALSE);
+ xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "XdndStatus");
xev.xclient.format = 32;
- xev.xclient.window = GDK_DRAWABLE_XID (context->source_window);
+ xev.xclient.window = GDK_WINDOW_XID (context->source_window);
- xev.xclient.data.l[0] = GDK_DRAWABLE_XID (context->dest_window);
+ xev.xclient.data.l[0] = GDK_WINDOW_XID (context->dest_window);
xev.xclient.data.l[1] = (action != 0) ? (2 | 1) : 0;
xev.xclient.data.l[2] = 0;
xev.xclient.data.l[3] = 0;
- xev.xclient.data.l[4] = xdnd_action_to_atom (action);
-
- if (!xdnd_send_xevent (GDK_DRAWABLE_XID (context->source_window),
- FALSE, &xev))
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->source_window)));
+ xev.xclient.data.l[4] = xdnd_action_to_atom (display, action);
+ if (!xdnd_send_xevent (context_x11, context->source_window, FALSE, &xev))
+ {
+ GDK_NOTE (DND,
+ g_message ("Send event to %lx failed",
+ GDK_WINDOW_XID (context->source_window)));
+ }
}
- private->old_action = action;
+ context_x11->old_action = action;
}
-void
-gdk_drop_reply (GdkDragContext *context,
- gboolean ok,
- guint32 time)
+static void
+gdk_x11_drag_context_drop_reply (GdkDragContext *context,
+ gboolean accepted,
+ guint32 time_)
{
- GdkDragContextPrivateX11 *private;
-
- g_return_if_fail (context != NULL);
-
- private = PRIVATE_DATA (context);
-
- if (context->protocol == GDK_DRAG_PROTO_MOTIF)
- {
- XEvent xev;
-
- xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_atom_intern ("_MOTIF_DRAG_AND_DROP_MESSAGE", FALSE);
- xev.xclient.format = 8;
-
- MOTIF_XCLIENT_BYTE (&xev, 0) = XmDROP_START | 0x80;
- MOTIF_XCLIENT_BYTE (&xev, 1) = local_byte_order;
- if (ok)
- MOTIF_XCLIENT_SHORT (&xev, 1) = XmDROP_COPY |
- (XmDROP_SITE_VALID << 4) |
- (XmDROP_NOOP << 8) |
- (XmDROP << 12);
- else
- MOTIF_XCLIENT_SHORT (&xev, 1) = XmDROP_NOOP |
- (XmNO_DROP_SITE << 4) |
- (XmDROP_NOOP << 8) |
- (XmDROP_CANCEL << 12);
- MOTIF_XCLIENT_SHORT (&xev, 2) = private->last_x;
- MOTIF_XCLIENT_SHORT (&xev, 3) = private->last_y;
-
- gdk_send_xevent (GDK_DRAWABLE_XID (context->source_window),
- FALSE, 0, &xev);
- }
}
-void
-gdk_drop_finish (GdkDragContext *context,
- gboolean success,
- guint32 time)
+static void
+gdk_x11_drag_context_drop_finish (GdkDragContext *context,
+ gboolean success,
+ guint32 time)
{
- g_return_if_fail (context != NULL);
-
if (context->protocol == GDK_DRAG_PROTO_XDND)
{
+ GdkDisplay *display = GDK_WINDOW_DISPLAY (context->source_window);
XEvent xev;
xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_atom_intern ("XdndFinished", FALSE);
+ xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "XdndFinished");
xev.xclient.format = 32;
- xev.xclient.window = GDK_DRAWABLE_XID (context->source_window);
-
- xev.xclient.data.l[0] = GDK_DRAWABLE_XID (context->dest_window);
- xev.xclient.data.l[1] = 0;
- xev.xclient.data.l[2] = 0;
+ xev.xclient.window = GDK_WINDOW_XID (context->source_window);
+
+ xev.xclient.data.l[0] = GDK_WINDOW_XID (context->dest_window);
+ if (success)
+ {
+ xev.xclient.data.l[1] = 1;
+ xev.xclient.data.l[2] = xdnd_action_to_atom (display,
+ context->action);
+ }
+ else
+ {
+ xev.xclient.data.l[1] = 0;
+ xev.xclient.data.l[2] = None;
+ }
xev.xclient.data.l[3] = 0;
xev.xclient.data.l[4] = 0;
- if (!xdnd_send_xevent (GDK_DRAWABLE_XID (context->source_window),
- FALSE, &xev))
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->source_window)));
+ if (!xdnd_send_xevent (GDK_X11_DRAG_CONTEXT (context), context->source_window, FALSE, &xev))
+ {
+ GDK_NOTE (DND,
+ g_message ("Send event to %lx failed",
+ GDK_WINDOW_XID (context->source_window)));
+ }
}
}
-
-void
-gdk_window_register_dnd (GdkWindow *window)
+void
+_gdk_x11_window_register_dnd (GdkWindow *window)
{
- static gulong xdnd_version = 3;
- MotifDragReceiverInfo info;
+ static const gulong xdnd_version = 5;
+ GdkDisplay *display = gdk_window_get_display (window);
g_return_if_fail (window != NULL);
- if (GPOINTER_TO_INT (gdk_drawable_get_data (window, "gdk-dnd-registered")))
+ if (gdk_window_get_window_type (window) == GDK_WINDOW_OFFSCREEN)
+ return;
+
+ base_precache_atoms (display);
+
+ if (g_object_get_data (G_OBJECT (window), "gdk-dnd-registered") != NULL)
return;
else
- gdk_drawable_set_data (window, "gdk-dnd-registered", GINT_TO_POINTER(TRUE), NULL);
-
- /* Set Motif drag receiver information property */
-
- if (!motif_drag_receiver_info_atom)
- motif_drag_receiver_info_atom = gdk_atom_intern ("_MOTIF_DRAG_RECEIVER_INFO", FALSE);
-
- info.byte_order = local_byte_order;
- info.protocol_version = 0;
- info.protocol_style = XmDRAG_DYNAMIC;
- info.proxy_window = GDK_NONE;
- info.num_drop_sites = 0;
- info.total_size = sizeof(info);
-
- XChangeProperty (gdk_display, GDK_DRAWABLE_XID (window),
- motif_drag_receiver_info_atom,
- motif_drag_receiver_info_atom,
- 8, PropModeReplace,
- (guchar *)&info,
- sizeof (info));
+ g_object_set_data (G_OBJECT (window), "gdk-dnd-registered", GINT_TO_POINTER (TRUE));
/* Set XdndAware */
- if (!xdnd_aware_atom)
- xdnd_aware_atom = gdk_atom_intern ("XdndAware", FALSE);
-
/* The property needs to be of type XA_ATOM, not XA_INTEGER. Blech */
- XChangeProperty (GDK_DRAWABLE_XDISPLAY (window),
- GDK_DRAWABLE_XID (window),
- xdnd_aware_atom, XA_ATOM,
- 32, PropModeReplace,
- (guchar *)&xdnd_version, 1);
+ XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
+ GDK_WINDOW_XID (window),
+ gdk_x11_get_xatom_by_name_for_display (display, "XdndAware"),
+ XA_ATOM, 32, PropModeReplace,
+ (guchar *)&xdnd_version, 1);
}
-/*************************************************************
- * gdk_drag_get_selection:
- * Returns the selection atom for the current source window
- * arguments:
- *
- * results:
- *************************************************************/
-
-GdkAtom
-gdk_drag_get_selection (GdkDragContext *context)
+static GdkAtom
+gdk_x11_drag_context_get_selection (GdkDragContext *context)
{
- g_return_val_if_fail (context != NULL, GDK_NONE);
-
- if (context->protocol == GDK_DRAG_PROTO_MOTIF)
- return (PRIVATE_DATA (context))->motif_selection;
- else if (context->protocol == GDK_DRAG_PROTO_XDND)
- return (PRIVATE_DATA (context))->xdnd_selection;
- else
+ if (context->protocol == GDK_DRAG_PROTO_XDND)
+ return gdk_atom_intern_static_string ("XdndSelection");
+ else
return GDK_NONE;
}
+static gboolean
+gdk_x11_drag_context_drop_status (GdkDragContext *context)
+{
+ return ! GDK_X11_DRAG_CONTEXT (context)->drop_failed;
+}