/* GDK - The GIMP Drawing Kit * Copyright (C) 1995-1997 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 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser 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. */ /* * 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/. */ #include #include #include #include #include "gdk.h" #include "config.h" #include "gdkwindow.h" #include "gdkinputprivate.h" #include "gdkprivate-x11.h" #include "gdkregion.h" #include "gdkinternals.h" #include "MwmUtil.h" #include "gdkwindow-x11.h" #include #include #include #ifdef HAVE_SHAPE_EXT #include #endif const int gdk_event_mask_table[21] = { ExposureMask, PointerMotionMask, PointerMotionHintMask, ButtonMotionMask, Button1MotionMask, Button2MotionMask, Button3MotionMask, ButtonPressMask, ButtonReleaseMask, KeyPressMask, KeyReleaseMask, EnterWindowMask, LeaveWindowMask, FocusChangeMask, StructureNotifyMask, PropertyChangeMask, VisibilityChangeMask, 0, /* PROXIMITY_IN */ 0, /* PROXIMTY_OUT */ SubstructureNotifyMask, ButtonPressMask /* SCROLL; on X mouse wheel events is treated as mouse button 4/5 */ }; const int gdk_nevent_masks = sizeof (gdk_event_mask_table) / sizeof (int); /* Forward declarations */ static gboolean gdk_window_gravity_works (void); static void gdk_window_set_static_win_gravity (GdkWindow *window, gboolean on); static gboolean gdk_window_have_shape_ext (void); static gboolean gdk_window_icon_name_set (GdkWindow *window); static GdkColormap* gdk_window_impl_x11_get_colormap (GdkDrawable *drawable); static void gdk_window_impl_x11_set_colormap (GdkDrawable *drawable, GdkColormap *cmap); static void gdk_window_impl_x11_get_size (GdkDrawable *drawable, gint *width, gint *height); static GdkRegion* gdk_window_impl_x11_get_visible_region (GdkDrawable *drawable); static void gdk_window_impl_x11_init (GdkWindowImplX11 *window); static void gdk_window_impl_x11_class_init (GdkWindowImplX11Class *klass); static void gdk_window_impl_x11_finalize (GObject *object); static gpointer parent_class = NULL; GType gdk_window_impl_x11_get_type (void) { static GType object_type = 0; if (!object_type) { static const GTypeInfo object_info = { sizeof (GdkWindowImplX11Class), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) gdk_window_impl_x11_class_init, NULL, /* class_finalize */ NULL, /* class_data */ sizeof (GdkWindowImplX11), 0, /* n_preallocs */ (GInstanceInitFunc) gdk_window_impl_x11_init, }; object_type = g_type_register_static (GDK_TYPE_DRAWABLE_IMPL_X11, "GdkWindowImplX11", &object_info, 0); } return object_type; } GType _gdk_window_impl_get_type (void) { return gdk_window_impl_x11_get_type (); } static void gdk_window_impl_x11_init (GdkWindowImplX11 *impl) { impl->width = 1; impl->height = 1; } static void gdk_window_impl_x11_class_init (GdkWindowImplX11Class *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); GdkDrawableClass *drawable_class = GDK_DRAWABLE_CLASS (klass); parent_class = g_type_class_peek_parent (klass); object_class->finalize = gdk_window_impl_x11_finalize; drawable_class->set_colormap = gdk_window_impl_x11_set_colormap; drawable_class->get_colormap = gdk_window_impl_x11_get_colormap; drawable_class->get_size = gdk_window_impl_x11_get_size; /* Visible and clip regions are the same */ drawable_class->get_clip_region = gdk_window_impl_x11_get_visible_region; drawable_class->get_visible_region = gdk_window_impl_x11_get_visible_region; } static void gdk_window_impl_x11_finalize (GObject *object) { GdkWindowObject *wrapper; GdkDrawableImplX11 *draw_impl; GdkWindowImplX11 *window_impl; g_return_if_fail (GDK_IS_WINDOW_IMPL_X11 (object)); draw_impl = GDK_DRAWABLE_IMPL_X11 (object); window_impl = GDK_WINDOW_IMPL_X11 (object); wrapper = (GdkWindowObject*) draw_impl->wrapper; if (!GDK_WINDOW_DESTROYED (wrapper)) { gdk_xid_table_remove (draw_impl->xid); } G_OBJECT_CLASS (parent_class)->finalize (object); } static GdkColormap* gdk_window_impl_x11_get_colormap (GdkDrawable *drawable) { GdkDrawableImplX11 *drawable_impl; GdkWindowImplX11 *window_impl; g_return_val_if_fail (GDK_IS_WINDOW_IMPL_X11 (drawable), NULL); drawable_impl = GDK_DRAWABLE_IMPL_X11 (drawable); window_impl = GDK_WINDOW_IMPL_X11 (drawable); if (!((GdkWindowObject *) drawable_impl->wrapper)->input_only && drawable_impl->colormap == NULL) { XWindowAttributes window_attributes; XGetWindowAttributes (drawable_impl->xdisplay, drawable_impl->xid, &window_attributes); drawable_impl->colormap = gdk_colormap_lookup (window_attributes.colormap); } return drawable_impl->colormap; } static void gdk_window_impl_x11_set_colormap (GdkDrawable *drawable, GdkColormap *cmap) { GdkWindowImplX11 *impl; GdkDrawableImplX11 *draw_impl; g_return_if_fail (GDK_IS_WINDOW_IMPL_X11 (drawable)); g_return_if_fail (gdk_colormap_get_visual (cmap) != gdk_drawable_get_visual (drawable)); impl = GDK_WINDOW_IMPL_X11 (drawable); draw_impl = GDK_DRAWABLE_IMPL_X11 (drawable); GDK_DRAWABLE_GET_CLASS (draw_impl)->set_colormap (drawable, cmap); XSetWindowColormap (draw_impl->xdisplay, draw_impl->xid, GDK_COLORMAP_XCOLORMAP (cmap)); if (((GdkWindowObject*)draw_impl->wrapper)->window_type != GDK_WINDOW_TOPLEVEL) gdk_window_add_colormap_windows (GDK_WINDOW (draw_impl->wrapper)); } static void gdk_window_impl_x11_get_size (GdkDrawable *drawable, gint *width, gint *height) { g_return_if_fail (GDK_IS_WINDOW_IMPL_X11 (drawable)); if (width) *width = GDK_WINDOW_IMPL_X11 (drawable)->width; if (height) *height = GDK_WINDOW_IMPL_X11 (drawable)->height; } static GdkRegion* gdk_window_impl_x11_get_visible_region (GdkDrawable *drawable) { GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (drawable); GdkRectangle result_rect; result_rect.x = 0; result_rect.y = 0; result_rect.width = impl->width; result_rect.height = impl->height; gdk_rectangle_intersect (&result_rect, &impl->position_info.clip_rect, &result_rect); return gdk_region_rectangle (&result_rect); } void _gdk_windowing_window_init (void) { GdkWindowObject *private; GdkWindowImplX11 *impl; GdkDrawableImplX11 *draw_impl; XWindowAttributes xattributes; unsigned int width; unsigned int height; unsigned int border_width; unsigned int depth; int x, y; g_assert (gdk_parent_root == NULL); XGetGeometry (gdk_display, gdk_root_window, &gdk_root_window, &x, &y, &width, &height, &border_width, &depth); XGetWindowAttributes (gdk_display, gdk_root_window, &xattributes); gdk_parent_root = g_object_new (GDK_TYPE_WINDOW, NULL); private = (GdkWindowObject *)gdk_parent_root; impl = GDK_WINDOW_IMPL_X11 (private->impl); draw_impl = GDK_DRAWABLE_IMPL_X11 (private->impl); draw_impl->xdisplay = gdk_display; draw_impl->xid = gdk_root_window; draw_impl->wrapper = GDK_DRAWABLE (private); private->window_type = GDK_WINDOW_ROOT; private->depth = depth; impl->width = width; impl->height = height; gdk_xid_table_insert (&gdk_root_window, gdk_parent_root); } static GdkAtom wm_client_leader_atom = GDK_NONE; GdkWindow* gdk_window_new (GdkWindow *parent, GdkWindowAttr *attributes, gint attributes_mask) { GdkWindow *window; GdkWindowObject *private; GdkWindowObject *parent_private; GdkWindowImplX11 *impl; GdkDrawableImplX11 *draw_impl; GdkVisual *visual; Window xparent; Visual *xvisual; XSetWindowAttributes xattributes; long xattributes_mask; XSizeHints size_hints; XWMHints wm_hints; XClassHint *class_hint; int x, y, depth; unsigned int class; char *title; int i; g_return_val_if_fail (attributes != NULL, NULL); if (!parent) parent = gdk_parent_root; g_return_val_if_fail (GDK_IS_WINDOW (parent), NULL); parent_private = (GdkWindowObject*) parent; if (GDK_WINDOW_DESTROYED (parent)) return NULL; xparent = GDK_WINDOW_XID (parent); window = g_object_new (GDK_TYPE_WINDOW, NULL); private = (GdkWindowObject *)window; impl = GDK_WINDOW_IMPL_X11 (private->impl); draw_impl = GDK_DRAWABLE_IMPL_X11 (private->impl); draw_impl->wrapper = GDK_DRAWABLE (window); draw_impl->xdisplay = GDK_WINDOW_XDISPLAY (parent); private->parent = (GdkWindowObject *)parent; xattributes_mask = 0; if (attributes_mask & GDK_WA_X) x = attributes->x; else x = 0; if (attributes_mask & GDK_WA_Y) y = attributes->y; else y = 0; private->x = x; private->y = y; impl->width = (attributes->width > 1) ? (attributes->width) : (1); impl->height = (attributes->height > 1) ? (attributes->height) : (1); private->window_type = attributes->window_type; _gdk_window_init_position (GDK_WINDOW (private)); if (impl->position_info.big) private->guffaw_gravity = TRUE; if (attributes_mask & GDK_WA_VISUAL) visual = attributes->visual; else visual = gdk_visual_get_system (); xvisual = ((GdkVisualPrivate*) visual)->xvisual; xattributes.event_mask = StructureNotifyMask; for (i = 0; i < gdk_nevent_masks; i++) { if (attributes->event_mask & (1 << (i + 1))) xattributes.event_mask |= gdk_event_mask_table[i]; } if (xattributes.event_mask) xattributes_mask |= CWEventMask; if (attributes_mask & GDK_WA_NOREDIR) { xattributes.override_redirect = (attributes->override_redirect == FALSE)?False:True; xattributes_mask |= CWOverrideRedirect; } else xattributes.override_redirect = False; if (parent_private && parent_private->guffaw_gravity) { xattributes.win_gravity = StaticGravity; xattributes_mask |= CWWinGravity; } if (attributes->wclass == GDK_INPUT_OUTPUT) { class = InputOutput; depth = visual->depth; private->input_only = FALSE; private->depth = depth; if (attributes_mask & GDK_WA_COLORMAP) { draw_impl->colormap = attributes->colormap; gdk_colormap_ref (attributes->colormap); } else { if ((((GdkVisualPrivate*)gdk_visual_get_system ())->xvisual) == xvisual) { draw_impl->colormap = gdk_colormap_get_system (); gdk_colormap_ref (draw_impl->colormap); } else { draw_impl->colormap = gdk_colormap_new (visual, FALSE); } } private->bg_color.pixel = BlackPixel (gdk_display, gdk_screen); xattributes.background_pixel = private->bg_color.pixel; private->bg_pixmap = NULL; xattributes.border_pixel = BlackPixel (gdk_display, gdk_screen); xattributes_mask |= CWBorderPixel | CWBackPixel; if (private->guffaw_gravity) xattributes.bit_gravity = StaticGravity; else xattributes.bit_gravity = NorthWestGravity; xattributes_mask |= CWBitGravity; switch (private->window_type) { case GDK_WINDOW_TOPLEVEL: xattributes.colormap = GDK_COLORMAP_XCOLORMAP (draw_impl->colormap); xattributes_mask |= CWColormap; xparent = gdk_root_window; break; case GDK_WINDOW_CHILD: xattributes.colormap = GDK_COLORMAP_XCOLORMAP (draw_impl->colormap); xattributes_mask |= CWColormap; break; case GDK_WINDOW_DIALOG: xattributes.colormap = GDK_COLORMAP_XCOLORMAP (draw_impl->colormap); xattributes_mask |= CWColormap; xparent = gdk_root_window; break; case GDK_WINDOW_TEMP: xattributes.colormap = GDK_COLORMAP_XCOLORMAP (draw_impl->colormap); xattributes_mask |= CWColormap; xparent = gdk_root_window; xattributes.save_under = True; xattributes.override_redirect = True; xattributes.cursor = None; xattributes_mask |= CWSaveUnder | CWOverrideRedirect; break; case GDK_WINDOW_ROOT: g_error ("cannot make windows of type GDK_WINDOW_ROOT"); break; } } else { depth = 0; private->depth = 0; class = InputOnly; private->input_only = TRUE; draw_impl->colormap = NULL; } draw_impl->xid = XCreateWindow (GDK_WINDOW_XDISPLAY (parent), xparent, impl->position_info.x, impl->position_info.y, impl->position_info.width, impl->position_info.height, 0, depth, class, xvisual, xattributes_mask, &xattributes); gdk_drawable_ref (window); gdk_xid_table_insert (&GDK_WINDOW_XID (window), window); gdk_window_set_cursor (window, ((attributes_mask & GDK_WA_CURSOR) ? (attributes->cursor) : NULL)); if (parent_private) parent_private->children = g_list_prepend (parent_private->children, window); switch (GDK_WINDOW_TYPE (private)) { case GDK_WINDOW_DIALOG: XSetTransientForHint (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), xparent); case GDK_WINDOW_TOPLEVEL: case GDK_WINDOW_TEMP: XSetWMProtocols (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), gdk_wm_window_protocols, 3); break; case GDK_WINDOW_CHILD: if ((attributes->wclass == GDK_INPUT_OUTPUT) && (draw_impl->colormap != gdk_colormap_get_system ()) && (draw_impl->colormap != gdk_window_get_colormap (gdk_window_get_toplevel (window)))) { GDK_NOTE (MISC, g_message ("adding colormap window\n")); gdk_window_add_colormap_windows (window); } return window; default: return window; } size_hints.flags = PSize; size_hints.width = impl->width; size_hints.height = impl->height; wm_hints.flags = InputHint | StateHint | WindowGroupHint; wm_hints.window_group = gdk_leader_window; wm_hints.input = True; wm_hints.initial_state = NormalState; /* FIXME: Is there any point in doing this? Do any WM's pay * attention to PSize, and even if they do, is this the * correct value??? */ XSetWMNormalHints (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), &size_hints); XSetWMHints (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), &wm_hints); if (!wm_client_leader_atom) wm_client_leader_atom = gdk_atom_intern ("WM_CLIENT_LEADER", FALSE); XChangeProperty (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), wm_client_leader_atom, XA_WINDOW, 32, PropModeReplace, (guchar*) &gdk_leader_window, 1); if (attributes_mask & GDK_WA_TITLE) title = attributes->title; else title = g_get_prgname (); gdk_window_set_title (window, title); if (attributes_mask & GDK_WA_WMCLASS) { class_hint = XAllocClassHint (); class_hint->res_name = attributes->wmclass_name; class_hint->res_class = attributes->wmclass_class; XSetClassHint (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), class_hint); XFree (class_hint); } return window; } GdkWindow * gdk_window_foreign_new (GdkNativeWindow anid) { GdkWindow *window; GdkWindowObject *private; GdkWindowObject *parent_private; GdkWindowImplX11 *impl; GdkDrawableImplX11 *draw_impl; XWindowAttributes attrs; Window root, parent; Window *children = NULL; guint nchildren; gboolean result; gdk_error_trap_push (); result = XGetWindowAttributes (gdk_display, anid, &attrs); if (gdk_error_trap_pop () || !result) return NULL; /* FIXME: This is pretty expensive. Maybe the caller should supply * the parent */ gdk_error_trap_push (); result = XQueryTree (gdk_display, anid, &root, &parent, &children, &nchildren); if (gdk_error_trap_pop () || !result) return NULL; if (children) XFree (children); window = g_object_new (GDK_TYPE_WINDOW, NULL); private = (GdkWindowObject *)window; impl = GDK_WINDOW_IMPL_X11 (private->impl); draw_impl = GDK_DRAWABLE_IMPL_X11 (private->impl); draw_impl->wrapper = GDK_DRAWABLE (window); private->parent = gdk_xid_table_lookup (parent); parent_private = (GdkWindowObject *)private->parent; if (parent_private) parent_private->children = g_list_prepend (parent_private->children, window); draw_impl->xid = anid; draw_impl->xdisplay = gdk_display; private->x = attrs.x; private->y = attrs.y; impl->width = attrs.width; impl->height = attrs.height; private->window_type = GDK_WINDOW_FOREIGN; private->destroyed = FALSE; private->mapped = (attrs.map_state != IsUnmapped); private->depth = attrs.depth; gdk_drawable_ref (window); gdk_xid_table_insert (&GDK_WINDOW_XID (window), window); return window; } void _gdk_windowing_window_destroy (GdkWindow *window, gboolean recursing, gboolean foreign_destroy) { GdkWindowObject *private = (GdkWindowObject *)window; g_return_if_fail (GDK_IS_WINDOW (window)); _gdk_selection_window_destroyed (window); if (private->extension_events != 0) gdk_input_window_destroy (window); if (private->window_type == GDK_WINDOW_FOREIGN) { if (!foreign_destroy && (private->parent != NULL)) { /* It's somebody else's window, but in our heirarchy, * so reparent it to the root window, and then send * it a delete event, as if we were a WM */ XClientMessageEvent xevent; gdk_error_trap_push (); gdk_window_hide (window); gdk_window_reparent (window, NULL, 0, 0); xevent.type = ClientMessage; xevent.window = GDK_WINDOW_XID (window); xevent.message_type = gdk_wm_protocols; xevent.format = 32; xevent.data.l[0] = gdk_wm_delete_window; xevent.data.l[1] = CurrentTime; XSendEvent (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), False, 0, (XEvent *)&xevent); gdk_flush (); gdk_error_trap_pop (); } } else if (!recursing && !foreign_destroy) XDestroyWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window)); } /* This function is called when the XWindow is really gone. */ void gdk_window_destroy_notify (GdkWindow *window) { g_return_if_fail (window != NULL); if (!GDK_WINDOW_DESTROYED (window)) { if (GDK_WINDOW_TYPE(window) != GDK_WINDOW_FOREIGN) g_warning ("GdkWindow %#lx unexpectedly destroyed", GDK_WINDOW_XID (window)); _gdk_window_destroy (window, TRUE); } gdk_xid_table_remove (GDK_WINDOW_XID (window)); gdk_drawable_unref (window); } void gdk_window_show (GdkWindow *window) { GdkWindowObject *private; g_return_if_fail (GDK_IS_WINDOW (window)); private = (GdkWindowObject*) window; if (!private->destroyed) { private->mapped = TRUE; XRaiseWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window)); if (GDK_WINDOW_IMPL_X11 (private->impl)->position_info.mapped) XMapWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window)); } } void gdk_window_hide (GdkWindow *window) { GdkWindowObject *private; g_return_if_fail (window != NULL); private = (GdkWindowObject*) window; if (!private->destroyed) { private->mapped = FALSE; _gdk_window_clear_update_area (window); XUnmapWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window)); } } void gdk_window_withdraw (GdkWindow *window) { GdkWindowObject *private; g_return_if_fail (window != NULL); private = (GdkWindowObject*) window; if (!private->destroyed) XWithdrawWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), 0); } void gdk_window_move (GdkWindow *window, gint x, gint y) { GdkWindowObject *private = (GdkWindowObject *)window; GdkWindowImplX11 *impl; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); impl = GDK_WINDOW_IMPL_X11 (private->impl); if (!GDK_WINDOW_DESTROYED (window)) { if (GDK_WINDOW_TYPE (private) == GDK_WINDOW_CHILD) _gdk_window_move_resize_child (window, x, y, impl->width, impl->height); else { XMoveWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), x, y); } } } void gdk_window_resize (GdkWindow *window, gint width, gint height) { GdkWindowObject *private; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (width < 1) width = 1; if (height < 1) height = 1; private = (GdkWindowObject*) window; if (!GDK_WINDOW_DESTROYED (window)) { if (GDK_WINDOW_TYPE (private) == GDK_WINDOW_CHILD) _gdk_window_move_resize_child (window, private->x, private->y, width, height); else { XResizeWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), width, height); private->resize_count += 1; } } } void gdk_window_move_resize (GdkWindow *window, gint x, gint y, gint width, gint height) { GdkWindowObject *private; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (width < 1) width = 1; if (height < 1) height = 1; private = (GdkWindowObject*) window; if (!GDK_WINDOW_DESTROYED (window)) { if (GDK_WINDOW_TYPE (private) == GDK_WINDOW_CHILD) _gdk_window_move_resize_child (window, x, y, width, height); else { XMoveResizeWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), x, y, width, height); private->resize_count += 1; } } } void gdk_window_reparent (GdkWindow *window, GdkWindow *new_parent, gint x, gint y) { GdkWindowObject *window_private; GdkWindowObject *parent_private; GdkWindowObject *old_parent_private; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); g_return_if_fail (new_parent != NULL); g_return_if_fail (GDK_IS_WINDOW (new_parent)); if (!new_parent) new_parent = gdk_parent_root; window_private = (GdkWindowObject*) window; old_parent_private = (GdkWindowObject*)window_private->parent; parent_private = (GdkWindowObject*) new_parent; if (!GDK_WINDOW_DESTROYED (window) && !GDK_WINDOW_DESTROYED (new_parent)) XReparentWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), GDK_WINDOW_XID (new_parent), x, y); window_private->parent = (GdkWindowObject *)new_parent; if (old_parent_private) old_parent_private->children = g_list_remove (old_parent_private->children, window); if ((old_parent_private && (!old_parent_private->guffaw_gravity != !parent_private->guffaw_gravity)) || (!old_parent_private && parent_private->guffaw_gravity)) gdk_window_set_static_win_gravity (window, parent_private->guffaw_gravity); parent_private->children = g_list_prepend (parent_private->children, window); } void _gdk_windowing_window_clear_area (GdkWindow *window, gint x, gint y, gint width, gint height) { g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (!GDK_WINDOW_DESTROYED (window)) XClearArea (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), x, y, width, height, False); } void _gdk_windowing_window_clear_area_e (GdkWindow *window, gint x, gint y, gint width, gint height) { g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (!GDK_WINDOW_DESTROYED (window)) XClearArea (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), x, y, width, height, True); } void gdk_window_raise (GdkWindow *window) { g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (!GDK_WINDOW_DESTROYED (window)) XRaiseWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window)); } void gdk_window_lower (GdkWindow *window) { g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (!GDK_WINDOW_DESTROYED (window)) XLowerWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window)); } void gdk_window_set_hints (GdkWindow *window, gint x, gint y, gint min_width, gint min_height, gint max_width, gint max_height, gint flags) { XSizeHints size_hints; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; size_hints.flags = 0; if (flags & GDK_HINT_POS) { size_hints.flags |= PPosition; size_hints.x = x; size_hints.y = y; } if (flags & GDK_HINT_MIN_SIZE) { size_hints.flags |= PMinSize; size_hints.min_width = min_width; size_hints.min_height = min_height; } if (flags & GDK_HINT_MAX_SIZE) { size_hints.flags |= PMaxSize; size_hints.max_width = max_width; size_hints.max_height = max_height; } /* FIXME: Would it be better to delete this property of * flags == 0? It would save space on the server */ XSetWMNormalHints (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), &size_hints); } void gdk_window_set_geometry_hints (GdkWindow *window, GdkGeometry *geometry, GdkWindowHints geom_mask) { XSizeHints size_hints; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; size_hints.flags = 0; if (geom_mask & GDK_HINT_POS) { size_hints.flags |= PPosition; /* We need to initialize the following obsolete fields because KWM * apparently uses these fields if they are non-zero. * #@#!#!$!. */ size_hints.x = 0; size_hints.y = 0; } if (geom_mask & GDK_HINT_MIN_SIZE) { size_hints.flags |= PMinSize; size_hints.min_width = geometry->min_width; size_hints.min_height = geometry->min_height; } if (geom_mask & GDK_HINT_MAX_SIZE) { size_hints.flags |= PMaxSize; size_hints.max_width = MAX (geometry->max_width, 1); size_hints.max_height = MAX (geometry->max_height, 1); } if (geom_mask & GDK_HINT_BASE_SIZE) { size_hints.flags |= PBaseSize; size_hints.base_width = geometry->base_width; size_hints.base_height = geometry->base_height; } if (geom_mask & GDK_HINT_RESIZE_INC) { size_hints.flags |= PResizeInc; size_hints.width_inc = geometry->width_inc; size_hints.height_inc = geometry->height_inc; } if (geom_mask & GDK_HINT_ASPECT) { size_hints.flags |= PAspect; if (geometry->min_aspect <= 1) { size_hints.min_aspect.x = 65536 * geometry->min_aspect; size_hints.min_aspect.y = 65536; } else { size_hints.min_aspect.x = 65536; size_hints.min_aspect.y = 65536 / geometry->min_aspect;; } if (geometry->max_aspect <= 1) { size_hints.max_aspect.x = 65536 * geometry->max_aspect; size_hints.max_aspect.y = 65536; } else { size_hints.max_aspect.x = 65536; size_hints.max_aspect.y = 65536 / geometry->max_aspect;; } } if (geom_mask & GDK_HINT_WIN_GRAVITY) { size_hints.flags |= PWinGravity; size_hints.width_inc = geometry->win_gravity; } /* FIXME: Would it be better to delete this property of * geom_mask == 0? It would save space on the server */ XSetWMNormalHints (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), &size_hints); } static gboolean utf8_is_latin1 (const gchar *str) { const char *p = str; while (*p) { gunichar ch = g_utf8_get_char (p); if (ch >= 0xff) return FALSE; p = g_utf8_next_char (p); } return TRUE; } /* Set the property to @utf8_str as STRING if the @utf8_str is fully * convertable to STRING, otherwise, set it as compound text */ static void set_text_property (GdkWindow *window, GdkAtom property, const gchar *utf8_str) { guchar *prop_text = NULL; GdkAtom prop_type; gint prop_length; gint prop_format; if (utf8_is_latin1 (utf8_str)) { prop_type = GDK_TARGET_STRING; prop_text = gdk_utf8_to_string_target (utf8_str); prop_length = strlen (prop_text); prop_format = 8; } else { gdk_utf8_to_compound_text (utf8_str, &prop_type, &prop_format, &prop_text, &prop_length); } if (prop_text) { XChangeProperty (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), property, prop_type, prop_format, PropModeReplace, prop_text, prop_length); g_free (prop_text); } } void gdk_window_set_title (GdkWindow *window, const gchar *title) { g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; XChangeProperty (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), gdk_atom_intern ("_NET_WM_NAME", FALSE), gdk_atom_intern ("UTF8_STRING", FALSE), 8, PropModeReplace, title, strlen (title)); set_text_property (window, gdk_atom_intern ("WM_NAME", FALSE), title); if (!gdk_window_icon_name_set (window)) set_text_property (window, gdk_atom_intern ("WM_ICON_NAME", FALSE), title); } void gdk_window_set_role (GdkWindow *window, const gchar *role) { g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (!GDK_WINDOW_DESTROYED (window)) { if (role) XChangeProperty (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), gdk_atom_intern ("WM_WINDOW_ROLE", FALSE), XA_STRING, 8, PropModeReplace, role, strlen (role)); else XDeleteProperty (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), gdk_atom_intern ("WM_WINDOW_ROLE", FALSE)); } } void gdk_window_set_transient_for (GdkWindow *window, GdkWindow *parent) { GdkWindowObject *private; GdkWindowObject *parent_private; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); private = (GdkWindowObject*) window; parent_private = (GdkWindowObject*) parent; if (!GDK_WINDOW_DESTROYED (window) && !GDK_WINDOW_DESTROYED (parent)) XSetTransientForHint (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), GDK_WINDOW_XID (parent)); } void gdk_window_set_background (GdkWindow *window, GdkColor *color) { GdkWindowObject *private = (GdkWindowObject *)window; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (!GDK_WINDOW_DESTROYED (window)) XSetWindowBackground (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), color->pixel); private->bg_color = *color; if (private->bg_pixmap && private->bg_pixmap != GDK_PARENT_RELATIVE_BG && private->bg_pixmap != GDK_NO_BG) { gdk_pixmap_unref (private->bg_pixmap); private->bg_pixmap = NULL; } } void gdk_window_set_back_pixmap (GdkWindow *window, GdkPixmap *pixmap, gboolean parent_relative) { GdkWindowObject *private = (GdkWindowObject *)window; Pixmap xpixmap; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); g_return_if_fail (pixmap == NULL || !parent_relative); if (private->bg_pixmap && private->bg_pixmap != GDK_PARENT_RELATIVE_BG && private->bg_pixmap != GDK_NO_BG) gdk_pixmap_unref (private->bg_pixmap); if (parent_relative) { xpixmap = ParentRelative; private->bg_pixmap = GDK_PARENT_RELATIVE_BG; } else { if (pixmap) { gdk_pixmap_ref (pixmap); private->bg_pixmap = pixmap; xpixmap = GDK_PIXMAP_XID (pixmap); } else { xpixmap = None; private->bg_pixmap = GDK_NO_BG; } } if (!GDK_WINDOW_DESTROYED (window)) XSetWindowBackgroundPixmap (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), xpixmap); } void gdk_window_set_cursor (GdkWindow *window, GdkCursor *cursor) { GdkCursorPrivate *cursor_private; Cursor xcursor; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); cursor_private = (GdkCursorPrivate*) cursor; if (!cursor) xcursor = None; else xcursor = cursor_private->xcursor; if (!GDK_WINDOW_DESTROYED (window)) XDefineCursor (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), xcursor); } void gdk_window_get_geometry (GdkWindow *window, gint *x, gint *y, gint *width, gint *height, gint *depth) { Window root; gint tx; gint ty; guint twidth; guint theight; guint tborder_width; guint tdepth; g_return_if_fail (window == NULL || GDK_IS_WINDOW (window)); if (!window) window = gdk_parent_root; if (!GDK_WINDOW_DESTROYED (window)) { XGetGeometry (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), &root, &tx, &ty, &twidth, &theight, &tborder_width, &tdepth); if (x) *x = tx; if (y) *y = ty; if (width) *width = twidth; if (height) *height = theight; if (depth) *depth = tdepth; } } gint gdk_window_get_origin (GdkWindow *window, gint *x, gint *y) { gint return_val; Window child; gint tx = 0; gint ty = 0; g_return_val_if_fail (window != NULL, 0); if (!GDK_WINDOW_DESTROYED (window)) { return_val = XTranslateCoordinates (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), gdk_root_window, 0, 0, &tx, &ty, &child); } else return_val = 0; if (x) *x = tx; if (y) *y = ty; return return_val; } gboolean gdk_window_get_deskrelative_origin (GdkWindow *window, gint *x, gint *y) { gboolean return_val = FALSE; gint num_children, format_return; Window win, *child, parent, root; gint tx = 0; gint ty = 0; Atom type_return; static Atom atom = 0; gulong number_return, bytes_after_return; guchar *data_return; g_return_val_if_fail (window != NULL, 0); g_return_val_if_fail (GDK_IS_WINDOW (window), 0); if (!GDK_WINDOW_DESTROYED (window)) { if (!atom) atom = gdk_atom_intern ("ENLIGHTENMENT_DESKTOP", FALSE); win = GDK_WINDOW_XID (window); while (XQueryTree (GDK_WINDOW_XDISPLAY (window), win, &root, &parent, &child, (unsigned int *)&num_children)) { if ((child) && (num_children > 0)) XFree (child); if (!parent) break; else win = parent; if (win == root) break; data_return = NULL; XGetWindowProperty (GDK_WINDOW_XDISPLAY (window), win, atom, 0, 0, False, XA_CARDINAL, &type_return, &format_return, &number_return, &bytes_after_return, &data_return); if (type_return == XA_CARDINAL) { XFree (data_return); break; } } return_val = XTranslateCoordinates (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), win, 0, 0, &tx, &ty, &root); if (x) *x = tx; if (y) *y = ty; } return return_val; } void gdk_window_get_root_origin (GdkWindow *window, gint *x, gint *y) { GdkWindowObject *private; Window xwindow; Window xparent; Window root; Window *children; unsigned int nchildren; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); private = (GdkWindowObject*) window; if (x) *x = 0; if (y) *y = 0; if (GDK_WINDOW_DESTROYED (window)) return; while (private->parent && ((GdkWindowObject*) private->parent)->parent) private = (GdkWindowObject*) private->parent; if (GDK_WINDOW_DESTROYED (window)) return; xparent = GDK_WINDOW_XID (window); do { xwindow = xparent; if (!XQueryTree (GDK_WINDOW_XDISPLAY (window), xwindow, &root, &xparent, &children, &nchildren)) return; if (children) XFree (children); } while (xparent != root); if (xparent == root) { unsigned int ww, wh, wb, wd; int wx, wy; if (XGetGeometry (GDK_WINDOW_XDISPLAY (window), xwindow, &root, &wx, &wy, &ww, &wh, &wb, &wd)) { if (x) *x = wx; if (y) *y = wy; } } } GdkWindow* gdk_window_get_pointer (GdkWindow *window, gint *x, gint *y, GdkModifierType *mask) { GdkWindow *return_val; Window root; Window child; int rootx, rooty; int winx = 0; int winy = 0; unsigned int xmask = 0; gint xoffset, yoffset; g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL); if (!window) window = gdk_parent_root; _gdk_windowing_window_get_offsets (window, &xoffset, &yoffset); return_val = NULL; if (!GDK_WINDOW_DESTROYED (window) && XQueryPointer (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), &root, &child, &rootx, &rooty, &winx, &winy, &xmask)) { if (child) return_val = gdk_window_lookup (child); } if (x) *x = winx + xoffset; if (y) *y = winy + yoffset; if (mask) *mask = xmask; return return_val; } GdkWindow* gdk_window_at_pointer (gint *win_x, gint *win_y) { GdkWindow *window; Window root; Window xwindow; Window xwindow_last = 0; Display *xdisplay; int rootx = -1, rooty = -1; int winx, winy; unsigned int xmask; xwindow = GDK_ROOT_WINDOW (); xdisplay = GDK_DISPLAY (); XGrabServer (xdisplay); while (xwindow) { xwindow_last = xwindow; XQueryPointer (xdisplay, xwindow, &root, &xwindow, &rootx, &rooty, &winx, &winy, &xmask); } XUngrabServer (xdisplay); window = gdk_window_lookup (xwindow_last); if (win_x) *win_x = window ? winx : -1; if (win_y) *win_y = window ? winy : -1; return window; } GdkEventMask gdk_window_get_events (GdkWindow *window) { XWindowAttributes attrs; GdkEventMask event_mask; int i; g_return_val_if_fail (window != NULL, 0); g_return_val_if_fail (GDK_IS_WINDOW (window), 0); if (GDK_WINDOW_DESTROYED (window)) return 0; else { XGetWindowAttributes (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), &attrs); event_mask = 0; for (i = 0; i < gdk_nevent_masks; i++) { if (attrs.your_event_mask & gdk_event_mask_table[i]) event_mask |= 1 << (i + 1); } return event_mask; } } void gdk_window_set_events (GdkWindow *window, GdkEventMask event_mask) { long xevent_mask; int i; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (!GDK_WINDOW_DESTROYED (window)) { xevent_mask = StructureNotifyMask; for (i = 0; i < gdk_nevent_masks; i++) { if (event_mask & (1 << (i + 1))) xevent_mask |= gdk_event_mask_table[i]; } XSelectInput (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), xevent_mask); } } void gdk_window_add_colormap_windows (GdkWindow *window) { GdkWindow *toplevel; Window *old_windows; Window *new_windows; int i, count; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); toplevel = gdk_window_get_toplevel (window); if (GDK_WINDOW_DESTROYED (toplevel)) return; old_windows = NULL; if (!XGetWMColormapWindows (GDK_WINDOW_XDISPLAY (toplevel), GDK_WINDOW_XID (toplevel), &old_windows, &count)) { count = 0; } for (i = 0; i < count; i++) if (old_windows[i] == GDK_WINDOW_XID (window)) { XFree (old_windows); return; } new_windows = g_new (Window, count + 1); for (i = 0; i < count; i++) new_windows[i] = old_windows[i]; new_windows[count] = GDK_WINDOW_XID (window); XSetWMColormapWindows (GDK_WINDOW_XDISPLAY (toplevel), GDK_WINDOW_XID (toplevel), new_windows, count + 1); g_free (new_windows); if (old_windows) XFree (old_windows); } static gboolean gdk_window_have_shape_ext (void) { enum { UNKNOWN, NO, YES }; static gint have_shape = UNKNOWN; if (have_shape == UNKNOWN) { int ignore; if (XQueryExtension (gdk_display, "SHAPE", &ignore, &ignore, &ignore)) have_shape = YES; else have_shape = NO; } return (have_shape == YES); } /* * This needs the X11 shape extension. * If not available, shaped windows will look * ugly, but programs still work. Stefan Wille */ void gdk_window_shape_combine_mask (GdkWindow *window, GdkBitmap *mask, gint x, gint y) { Pixmap pixmap; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); #ifdef HAVE_SHAPE_EXT if (GDK_WINDOW_DESTROYED (window)) return; if (gdk_window_have_shape_ext ()) { if (mask) { pixmap = GDK_PIXMAP_XID (mask); } else { x = 0; y = 0; pixmap = None; } XShapeCombineMask (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), ShapeBounding, x, y, pixmap, ShapeSet); } #endif /* HAVE_SHAPE_EXT */ } void gdk_window_set_override_redirect (GdkWindow *window, gboolean override_redirect) { XSetWindowAttributes attr; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) { attr.override_redirect = (override_redirect == FALSE)?False:True; XChangeWindowAttributes (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), CWOverrideRedirect, &attr); } } void gdk_window_set_icon (GdkWindow *window, GdkWindow *icon_window, GdkPixmap *pixmap, GdkBitmap *mask) { XWMHints *wm_hints; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; wm_hints = XGetWMHints (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window)); if (!wm_hints) wm_hints = XAllocWMHints (); if (icon_window != NULL) { wm_hints->flags |= IconWindowHint; wm_hints->icon_window = GDK_WINDOW_XID (icon_window); } if (pixmap != NULL) { wm_hints->flags |= IconPixmapHint; wm_hints->icon_pixmap = GDK_PIXMAP_XID (pixmap); } if (mask != NULL) { wm_hints->flags |= IconMaskHint; wm_hints->icon_mask = GDK_PIXMAP_XID (mask); } XSetWMHints (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), wm_hints); XFree (wm_hints); } static gboolean gdk_window_icon_name_set (GdkWindow *window) { return GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (window), g_quark_from_static_string ("gdk-icon-name-set"))); } void gdk_window_set_icon_name (GdkWindow *window, const gchar *name) { g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; g_object_set_qdata (G_OBJECT (window), g_quark_from_static_string ("gdk-icon-name-set"), GUINT_TO_POINTER (TRUE)); set_text_property (window, gdk_atom_intern ("WM_ICON_NAME", FALSE), name); } void gdk_window_iconify (GdkWindow *window) { Display *display; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; display = GDK_WINDOW_XDISPLAY (window); XIconifyWindow (display, GDK_WINDOW_XWINDOW (window), DefaultScreen (display)); } void gdk_window_set_group (GdkWindow *window, GdkWindow *leader) { XWMHints *wm_hints; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); g_return_if_fail (leader != NULL); g_return_if_fail (GDK_IS_WINDOW (leader)); if (GDK_WINDOW_DESTROYED (window) || GDK_WINDOW_DESTROYED (leader)) return; wm_hints = XGetWMHints (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window)); if (!wm_hints) wm_hints = XAllocWMHints (); wm_hints->flags |= WindowGroupHint; wm_hints->window_group = GDK_WINDOW_XID (leader); XSetWMHints (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), wm_hints); XFree (wm_hints); } static void gdk_window_set_mwm_hints (GdkWindow *window, MotifWmHints *new_hints) { static Atom hints_atom = None; MotifWmHints *hints; Atom type; gint format; gulong nitems; gulong bytes_after; if (GDK_WINDOW_DESTROYED (window)) return; if (!hints_atom) hints_atom = XInternAtom (GDK_WINDOW_XDISPLAY (window), _XA_MOTIF_WM_HINTS, FALSE); XGetWindowProperty (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), hints_atom, 0, sizeof (MotifWmHints)/sizeof (long), False, AnyPropertyType, &type, &format, &nitems, &bytes_after, (guchar **)&hints); if (type == None) hints = new_hints; else { if (new_hints->flags & MWM_HINTS_FUNCTIONS) { hints->flags |= MWM_HINTS_FUNCTIONS; hints->functions = new_hints->functions; } if (new_hints->flags & MWM_HINTS_DECORATIONS) { hints->flags |= MWM_HINTS_DECORATIONS; hints->decorations = new_hints->decorations; } } XChangeProperty (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), hints_atom, hints_atom, 32, PropModeReplace, (guchar *)hints, sizeof (MotifWmHints)/sizeof (long)); if (hints != new_hints) XFree (hints); } void gdk_window_set_decorations (GdkWindow *window, GdkWMDecoration decorations) { MotifWmHints hints; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); hints.flags = MWM_HINTS_DECORATIONS; hints.decorations = decorations; gdk_window_set_mwm_hints (window, &hints); } void gdk_window_set_functions (GdkWindow *window, GdkWMFunction functions) { MotifWmHints hints; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); hints.flags = MWM_HINTS_FUNCTIONS; hints.functions = functions; gdk_window_set_mwm_hints (window, &hints); } /* * propagate the shapes from all child windows of a GDK window to the parent * window. Shamelessly ripped from Enlightenment's code * * - Raster */ struct _gdk_span { gint start; gint end; struct _gdk_span *next; }; static void gdk_add_to_span (struct _gdk_span **s, gint x, gint xx) { struct _gdk_span *ptr1, *ptr2, *noo, *ss; gchar spanning; ptr2 = NULL; ptr1 = *s; spanning = 0; ss = NULL; /* scan the spans for this line */ while (ptr1) { /* -- -> new span */ /* == -> existing span */ /* ## -> spans intersect */ /* if we are in the middle of spanning the span into the line */ if (spanning) { /* case: ---- ==== */ if (xx < ptr1->start - 1) { /* ends before next span - extend to here */ ss->end = xx; return; } /* case: ----##=== */ else if (xx <= ptr1->end) { /* crosses into next span - delete next span and append */ ss->end = ptr1->end; ss->next = ptr1->next; g_free (ptr1); return; } /* case: ---###--- */ else { /* overlaps next span - delete and keep checking */ ss->next = ptr1->next; g_free (ptr1); ptr1 = ss; } } /* otherwise havent started spanning it in yet */ else { /* case: ---- ==== */ if (xx < ptr1->start - 1) { /* insert span here in list */ noo = g_malloc (sizeof (struct _gdk_span)); if (noo) { noo->start = x; noo->end = xx; noo->next = ptr1; if (ptr2) ptr2->next = noo; else *s = noo; } return; } /* case: ----##=== */ else if ((x < ptr1->start) && (xx <= ptr1->end)) { /* expand this span to the left point of the new one */ ptr1->start = x; return; } /* case: ===###=== */ else if ((x >= ptr1->start) && (xx <= ptr1->end)) { /* throw the span away */ return; } /* case: ---###--- */ else if ((x < ptr1->start) && (xx > ptr1->end)) { ss = ptr1; spanning = 1; ptr1->start = x; ptr1->end = xx; } /* case: ===##---- */ else if ((x >= ptr1->start) && (x <= ptr1->end + 1) && (xx > ptr1->end)) { ss = ptr1; spanning = 1; ptr1->end = xx; } /* case: ==== ---- */ /* case handled by next loop iteration - first case */ } ptr2 = ptr1; ptr1 = ptr1->next; } /* it started in the middle but spans beyond your current list */ if (spanning) { ptr2->end = xx; return; } /* it does not start inside a span or in the middle, so add it to the end */ noo = g_malloc (sizeof (struct _gdk_span)); if (noo) { noo->start = x; noo->end = xx; if (ptr2) { noo->next = ptr2->next; ptr2->next = noo; } else { noo->next = NULL; *s = noo; } } return; } static void gdk_add_rectangles (Display *disp, Window win, struct _gdk_span **spans, gint basew, gint baseh, gint x, gint y) { gint a, k; gint x1, y1, x2, y2; gint rn, ord; XRectangle *rl; rl = XShapeGetRectangles (disp, win, ShapeBounding, &rn, &ord); if (rl) { /* go through all clip rects in this window's shape */ for (k = 0; k < rn; k++) { /* for each clip rect, add it to each line's spans */ x1 = x + rl[k].x; x2 = x + rl[k].x + (rl[k].width - 1); y1 = y + rl[k].y; y2 = y + rl[k].y + (rl[k].height - 1); if (x1 < 0) x1 = 0; if (y1 < 0) y1 = 0; if (x2 >= basew) x2 = basew - 1; if (y2 >= baseh) y2 = baseh - 1; for (a = y1; a <= y2; a++) { if ((x2 - x1) >= 0) gdk_add_to_span (&spans[a], x1, x2); } } XFree (rl); } } static void gdk_propagate_shapes (Display *disp, Window win, gboolean merge) { Window rt, par, *list = NULL; gint i, j, num = 0, num_rects = 0; gint x, y, contig; guint w, h, d; gint baseh, basew; XRectangle *rects = NULL; struct _gdk_span **spans = NULL, *ptr1, *ptr2, *ptr3; XWindowAttributes xatt; XGetGeometry (disp, win, &rt, &x, &y, &w, &h, &d, &d); if (h <= 0) return; basew = w; baseh = h; spans = g_malloc (sizeof (struct _gdk_span *) * h); for (i = 0; i < h; i++) spans[i] = NULL; XQueryTree (disp, win, &rt, &par, &list, (unsigned int *)&num); if (list) { /* go through all child windows and create/insert spans */ for (i = 0; i < num; i++) { if (XGetWindowAttributes (disp, list[i], &xatt) && (xatt.map_state != IsUnmapped)) if (XGetGeometry (disp, list[i], &rt, &x, &y, &w, &h, &d, &d)) gdk_add_rectangles (disp, list[i], spans, basew, baseh, x, y); } if (merge) gdk_add_rectangles (disp, win, spans, basew, baseh, x, y); /* go through the spans list and build a list of rects */ rects = g_malloc (sizeof (XRectangle) * 256); num_rects = 0; for (i = 0; i < baseh; i++) { ptr1 = spans[i]; /* go through the line for all spans */ while (ptr1) { rects[num_rects].x = ptr1->start; rects[num_rects].y = i; rects[num_rects].width = ptr1->end - ptr1->start + 1; rects[num_rects].height = 1; j = i + 1; /* if there are more lines */ contig = 1; /* while contigous rects (same start/end coords) exist */ while ((contig) && (j < baseh)) { /* search next line for spans matching this one */ contig = 0; ptr2 = spans[j]; ptr3 = NULL; while (ptr2) { /* if we have an exact span match set contig */ if ((ptr2->start == ptr1->start) && (ptr2->end == ptr1->end)) { contig = 1; /* remove the span - not needed */ if (ptr3) { ptr3->next = ptr2->next; g_free (ptr2); ptr2 = NULL; } else { spans[j] = ptr2->next; g_free (ptr2); ptr2 = NULL; } break; } /* gone past the span point no point looking */ else if (ptr2->start < ptr1->start) break; if (ptr2) { ptr3 = ptr2; ptr2 = ptr2->next; } } /* if a contiguous span was found increase the rect h */ if (contig) { rects[num_rects].height++; j++; } } /* up the rect count */ num_rects++; /* every 256 new rects increase the rect array */ if ((num_rects % 256) == 0) rects = g_realloc (rects, sizeof (XRectangle) * (num_rects + 256)); ptr1 = ptr1->next; } } /* set the rects as the shape mask */ if (rects) { XShapeCombineRectangles (disp, win, ShapeBounding, 0, 0, rects, num_rects, ShapeSet, YXSorted); g_free (rects); } XFree (list); } /* free up all the spans we made */ for (i = 0; i < baseh; i++) { ptr1 = spans[i]; while (ptr1) { ptr2 = ptr1; ptr1 = ptr1->next; g_free (ptr2); } } g_free (spans); } void gdk_window_set_child_shapes (GdkWindow *window) { g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); #ifdef HAVE_SHAPE_EXT if (!GDK_WINDOW_DESTROYED (window) && gdk_window_have_shape_ext ()) gdk_propagate_shapes (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), FALSE); #endif } void gdk_window_merge_child_shapes (GdkWindow *window) { g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); #ifdef HAVE_SHAPE_EXT if (!GDK_WINDOW_DESTROYED (window) && gdk_window_have_shape_ext ()) gdk_propagate_shapes (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), TRUE); #endif } /* Support for windows that can be guffaw-scrolled * (See http://www.gtk.org/~otaylor/whitepapers/guffaw-scrolling.txt) */ static gboolean gdk_window_gravity_works (void) { enum { UNKNOWN, NO, YES }; static gint gravity_works = UNKNOWN; if (gravity_works == UNKNOWN) { GdkWindowAttr attr; GdkWindow *parent; GdkWindow *child; gint y; /* This particular server apparently has a bug so that the test * works but the actual code crashes it */ if ((!strcmp (XServerVendor (gdk_display), "Sun Microsystems, Inc.")) && (VendorRelease (gdk_display) == 3400)) { gravity_works = NO; return FALSE; } attr.window_type = GDK_WINDOW_TEMP; attr.wclass = GDK_INPUT_OUTPUT; attr.x = 0; attr.y = 0; attr.width = 100; attr.height = 100; attr.event_mask = 0; parent = gdk_window_new (NULL, &attr, GDK_WA_X | GDK_WA_Y); attr.window_type = GDK_WINDOW_CHILD; child = gdk_window_new (parent, &attr, GDK_WA_X | GDK_WA_Y); gdk_window_set_static_win_gravity (child, TRUE); gdk_window_resize (parent, 100, 110); gdk_window_move (parent, 0, -10); gdk_window_move_resize (parent, 0, 0, 100, 100); gdk_window_resize (parent, 100, 110); gdk_window_move (parent, 0, -10); gdk_window_move_resize (parent, 0, 0, 100, 100); gdk_window_get_geometry (child, NULL, &y, NULL, NULL, NULL); gdk_window_destroy (parent); gdk_window_destroy (child); gravity_works = ((y == -20) ? YES : NO); } return (gravity_works == YES); } static void gdk_window_set_static_bit_gravity (GdkWindow *window, gboolean on) { XSetWindowAttributes xattributes; guint xattributes_mask = 0; g_return_if_fail (window != NULL); xattributes.bit_gravity = StaticGravity; xattributes_mask |= CWBitGravity; xattributes.bit_gravity = on ? StaticGravity : ForgetGravity; XChangeWindowAttributes (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), CWBitGravity, &xattributes); } static void gdk_window_set_static_win_gravity (GdkWindow *window, gboolean on) { XSetWindowAttributes xattributes; g_return_if_fail (window != NULL); xattributes.win_gravity = on ? StaticGravity : NorthWestGravity; XChangeWindowAttributes (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), CWWinGravity, &xattributes); } /************************************************************* * gdk_window_set_static_gravities: * Set the bit gravity of the given window to static, * and flag it so all children get static subwindow * gravity. * arguments: * window: window for which to set static gravity * use_static: Whether to turn static gravity on or off. * results: * Does the XServer support static gravity? *************************************************************/ gboolean gdk_window_set_static_gravities (GdkWindow *window, gboolean use_static) { GdkWindowObject *private = (GdkWindowObject *)window; GList *tmp_list; g_return_val_if_fail (window != NULL, FALSE); g_return_val_if_fail (GDK_IS_WINDOW (window), FALSE); if (!use_static == !private->guffaw_gravity) return TRUE; if (use_static && !gdk_window_gravity_works ()) return FALSE; private->guffaw_gravity = use_static; if (!GDK_WINDOW_DESTROYED (window)) { gdk_window_set_static_bit_gravity (window, use_static); tmp_list = private->children; while (tmp_list) { gdk_window_set_static_win_gravity (window, use_static); tmp_list = tmp_list->next; } } return TRUE; } /* internal function created for and used by gdk_window_xid_at_coords */ Window gdk_window_xid_at (Window base, gint bx, gint by, gint x, gint y, GList *excludes, gboolean excl_child) { Display *xdisplay; Window *list = NULL; Window child = 0, parent_win = 0, root_win = 0; int i; unsigned int ww, wh, wb, wd, num; int wx, wy; xdisplay = GDK_DISPLAY (); if (!XGetGeometry (xdisplay, base, &root_win, &wx, &wy, &ww, &wh, &wb, &wd)) return 0; wx += bx; wy += by; if (!((x >= wx) && (y >= wy) && (x < (int) (wx + ww)) && (y < (int) (wy + wh)))) return 0; if (!XQueryTree (xdisplay, base, &root_win, &parent_win, &list, &num)) return base; if (list) { for (i = num - 1; ; i--) { if ((!excl_child) || (!g_list_find (excludes, (gpointer *) list[i]))) { if ((child = gdk_window_xid_at (list[i], wx, wy, x, y, excludes, excl_child)) != 0) { XFree (list); return child; } } if (!i) break; } XFree (list); } return base; } /* * The following fucntion by The Rasterman * This function returns the X Window ID in which the x y location is in * (x and y being relative to the root window), excluding any windows listed * in the GList excludes (this is a list of X Window ID's - gpointer being * the Window ID). * * This is primarily designed for internal gdk use - for DND for example * when using a shaped icon window as the drag object - you exclude the * X Window ID of the "icon" (perhaps more if excludes may be needed) and * You can get back an X Window ID as to what X Window ID is infact under * those X,Y co-ordinates. */ Window gdk_window_xid_at_coords (gint x, gint y, GList *excludes, gboolean excl_child) { GdkWindow *window; Display *xdisplay; Window *list = NULL; Window root, child = 0, parent_win = 0, root_win = 0; unsigned int num; int i; window = gdk_parent_root; xdisplay = GDK_WINDOW_XDISPLAY (window); root = GDK_WINDOW_XID (window); num = g_list_length (excludes); XGrabServer (xdisplay); if (!XQueryTree (xdisplay, root, &root_win, &parent_win, &list, &num)) { XUngrabServer (xdisplay); return root; } if (list) { i = num - 1; do { XWindowAttributes xwa; XGetWindowAttributes (xdisplay, list [i], &xwa); if (xwa.map_state != IsViewable) continue; if (excl_child && g_list_find (excludes, (gpointer *) list[i])) continue; if ((child = gdk_window_xid_at (list[i], 0, 0, x, y, excludes, excl_child)) == 0) continue; if (excludes) { if (!g_list_find (excludes, (gpointer *) child)) { XFree (list); XUngrabServer (xdisplay); return child; } } else { XFree (list); XUngrabServer (xdisplay); return child; } } while (--i > 0); XFree (list); } XUngrabServer (xdisplay); return root; }