/* 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 #include "gdk.h" #include "config.h" #include "gdkwindow.h" #include "gdkinputprivate.h" #include "gdkdisplay-x11.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_nenvent_masks = sizeof (_gdk_event_mask_table) / sizeof (int); /* Forward declarations */ static gboolean gdk_window_gravity_works (GdkWindow *window); static void gdk_window_set_static_win_gravity (GdkWindow *window, gboolean on); static gboolean gdk_window_have_shape_ext (GdkDisplay *display); static gboolean gdk_window_icon_name_set (GdkWindow *window); static void gdk_window_add_colormap_windows (GdkWindow *window); static void set_wm_name (GdkDisplay *display, Window xwindow, const gchar *name); 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; _gdk_xgrab_check_destroy (GDK_WINDOW (wrapper)); if (!GDK_WINDOW_DESTROYED (wrapper)) { _gdk_xid_table_remove (GDK_WINDOW_DISPLAY (object), draw_impl->xid); if (window_impl->focus_window) _gdk_xid_table_remove (GDK_WINDOW_DISPLAY (object), window_impl->focus_window); } 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; GdkVisual *visual; XGetWindowAttributes (GDK_SCREEN_XDISPLAY (drawable_impl->screen), drawable_impl->xid, &window_attributes); visual = gdk_x11_screen_lookup_visual (drawable_impl->screen, window_attributes.visual->visualid); drawable_impl->colormap = gdk_x11_colormap_foreign_new (visual, 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)); impl = GDK_WINDOW_IMPL_X11 (drawable); draw_impl = GDK_DRAWABLE_IMPL_X11 (drawable); if (cmap && GDK_WINDOW_DESTROYED (draw_impl->wrapper)) return; /* chain up */ GDK_DRAWABLE_CLASS (parent_class)->set_colormap (drawable, cmap); if (cmap) { XSetWindowColormap (GDK_SCREEN_XDISPLAY (draw_impl->screen), 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 (GdkScreen * screen) { GdkWindowObject *private; GdkWindowImplX11 *impl; GdkDrawableImplX11 *draw_impl; GdkScreenX11 *screen_x11; XWindowAttributes xattributes; unsigned int width; unsigned int height; unsigned int border_width; unsigned int depth; int x, y; screen_x11 = GDK_SCREEN_X11 (screen); g_assert (screen_x11->root_window == NULL); gdk_screen_set_default_colormap (screen, gdk_screen_get_system_colormap (screen)); XGetGeometry (screen_x11->xdisplay, screen_x11->xroot_window, &screen_x11->xroot_window, &x, &y, &width, &height, &border_width, &depth); XGetWindowAttributes (screen_x11->xdisplay, screen_x11->xroot_window, &xattributes); screen_x11->root_window = g_object_new (GDK_TYPE_WINDOW, NULL); private = (GdkWindowObject *)screen_x11->root_window; impl = GDK_WINDOW_IMPL_X11 (private->impl); draw_impl = GDK_DRAWABLE_IMPL_X11 (private->impl); draw_impl->screen = screen; draw_impl->xid = screen_x11->xroot_window; draw_impl->wrapper = GDK_DRAWABLE (private); draw_impl->colormap = gdk_screen_get_system_colormap (screen); g_object_ref (draw_impl->colormap); private->window_type = GDK_WINDOW_ROOT; private->depth = depth; impl->width = width; impl->height = height; _gdk_window_init_position (GDK_WINDOW (private)); _gdk_xid_table_insert (screen_x11->display, &screen_x11->xroot_window, screen_x11->root_window); } static void set_wm_protocols (GdkWindow *window) { GdkDisplay *display = gdk_drawable_get_display (window); Atom protocols[3]; protocols[0] = gdk_x11_get_xatom_by_name_for_display (display, "WM_DELETE_WINDOW"); protocols[1] = gdk_x11_get_xatom_by_name_for_display (display, "WM_TAKE_FOCUS"); protocols[2] = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_PING"); XSetWMProtocols (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window), protocols, 3); } static const gchar * get_default_title (void) { const char *title; title = g_get_application_name (); if (!title) title = g_get_prgname (); return title; } static void check_leader_window_title (GdkDisplay *display) { GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display); if (!display_x11->leader_window_title_set) { set_wm_name (display, display_x11->leader_window, get_default_title ()); display_x11->leader_window_title_set = TRUE; } } /** * gdk_window_new: * @parent: a #GdkWindow, or %NULL to create the window as a child of * the default root window for the default display. * @attributes: attributes of the new window * @attributes_mask: mask indicating which fields in @attributes are valid * * Creates a new #GdkWindow using the attributes from * @attributes. See #GdkWindowAttr and #GdkWindowAttributesType for * more details. Note: to use this on displays other than the default * display, @parent must be specified. * * Return value: the new #GdkWindow **/ GdkWindow* gdk_window_new (GdkWindow *parent, GdkWindowAttr *attributes, gint attributes_mask) { GdkWindow *window; GdkWindowObject *private; GdkWindowImplX11 *impl; GdkDrawableImplX11 *draw_impl; GdkScreenX11 *screen_x11; GdkScreen *screen; GdkVisual *visual; Window xparent; Visual *xvisual; Display *xdisplay; Window xid; XSetWindowAttributes xattributes; long xattributes_mask; XSizeHints size_hints; XWMHints wm_hints; XClassHint *class_hint; int x, y, depth; unsigned int class; const char *title; int i; long pid; g_return_val_if_fail (attributes != NULL, NULL); if (!parent) { GDK_NOTE (MULTIHEAD, g_warning ("gdk_window_new(): no parent specified reverting to parent = default root window")); screen = gdk_screen_get_default (); parent = gdk_screen_get_root_window (screen); } else screen = gdk_drawable_get_screen (parent); screen_x11 = GDK_SCREEN_X11 (screen); g_return_val_if_fail (GDK_IS_WINDOW (parent), NULL); 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->screen = screen; xdisplay = screen_x11->xdisplay; /* Windows with a foreign parent are treated as if they are children * of the root window, except for actual creation. */ if (GDK_WINDOW_TYPE (parent) == GDK_WINDOW_FOREIGN) parent = gdk_screen_get_root_window (screen); 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); if (attributes->wclass == GDK_INPUT_ONLY) { /* Backwards compatiblity - we've always ignored * attributes->window_type for input-only windows * before */ if (GDK_WINDOW_TYPE (parent) == GDK_WINDOW_ROOT) private->window_type = GDK_WINDOW_TEMP; else private->window_type = GDK_WINDOW_CHILD; } else 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_screen_get_system_visual (screen); xvisual = ((GdkVisualPrivate*) visual)->xvisual; xattributes.event_mask = StructureNotifyMask | PropertyChangeMask; for (i = 0; i < _gdk_nenvent_masks; i++) { if (attributes->event_mask & (1 << (i + 1))) xattributes.event_mask |= _gdk_event_mask_table[i]; } private->event_mask = attributes->event_mask; 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 (private->parent && private->parent->guffaw_gravity) { xattributes.win_gravity = StaticGravity; xattributes_mask |= CWWinGravity; } /* Sanity checks */ switch (private->window_type) { case GDK_WINDOW_TOPLEVEL: case GDK_WINDOW_DIALOG: case GDK_WINDOW_TEMP: if (GDK_WINDOW_TYPE (parent) != GDK_WINDOW_ROOT) { g_warning (G_STRLOC "Toplevel windows must be created as children of\n" "of a window of type GDK_WINDOW_ROOT or GDK_WINDOW_FOREIGN"); xparent = GDK_SCREEN_XROOTWIN (screen); } case GDK_WINDOW_CHILD: break; default: g_warning (G_STRLOC "cannot make windows of type %d", private->window_type); return NULL; } 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; g_object_ref (attributes->colormap); } else { if ((((GdkVisualPrivate *)gdk_screen_get_system_visual (screen))->xvisual) == xvisual) { draw_impl->colormap = gdk_screen_get_system_colormap (screen); g_object_ref (draw_impl->colormap); } else { draw_impl->colormap = gdk_colormap_new (visual, FALSE); } } private->bg_color.pixel = BlackPixel (xdisplay, screen_x11->screen_num); xattributes.background_pixel = private->bg_color.pixel; private->bg_pixmap = NULL; xattributes.border_pixel = BlackPixel (xdisplay, screen_x11->screen_num); xattributes_mask |= CWBorderPixel | CWBackPixel; if (private->guffaw_gravity) xattributes.bit_gravity = StaticGravity; else xattributes.bit_gravity = NorthWestGravity; xattributes_mask |= CWBitGravity; xattributes.colormap = GDK_COLORMAP_XCOLORMAP (draw_impl->colormap); xattributes_mask |= CWColormap; if (private->window_type == GDK_WINDOW_TEMP) { xattributes.save_under = True; xattributes.override_redirect = True; xattributes.cursor = None; xattributes_mask |= CWSaveUnder | CWOverrideRedirect; } } else { depth = 0; private->depth = 0; class = InputOnly; private->input_only = TRUE; draw_impl->colormap = gdk_screen_get_system_colormap (screen); g_object_ref (draw_impl->colormap); } xid = draw_impl->xid = XCreateWindow (xdisplay, xparent, impl->position_info.x, impl->position_info.y, impl->position_info.width, impl->position_info.height, 0, depth, class, xvisual, xattributes_mask, &xattributes); g_object_ref (window); _gdk_xid_table_insert (screen_x11->display, &draw_impl->xid, window); gdk_window_set_cursor (window, ((attributes_mask & GDK_WA_CURSOR) ? (attributes->cursor) : NULL)); if (private->parent) private->parent->children = g_list_prepend (private->parent->children, window); switch (GDK_WINDOW_TYPE (private)) { case GDK_WINDOW_DIALOG: XSetTransientForHint (xdisplay, xid, xparent); case GDK_WINDOW_TOPLEVEL: case GDK_WINDOW_TEMP: set_wm_protocols (window); break; case GDK_WINDOW_CHILD: if ((attributes->wclass == GDK_INPUT_OUTPUT) && (draw_impl->colormap != gdk_screen_get_system_colormap (screen)) && (draw_impl->colormap != gdk_drawable_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; } if (class != InputOnly) { /* The focus window is off the visible area, and serves to receive key * press events so they don't get sent to child windows. */ impl->focus_window = XCreateSimpleWindow (xdisplay, xid, -1, -1, 1, 1, 0, xattributes.background_pixel, xattributes.background_pixel); /* FIXME: probably better to actually track the requested event mask for the toplevel */ XSelectInput (xdisplay, impl->focus_window, KeyPressMask | KeyReleaseMask | FocusChangeMask); XMapWindow (xdisplay, impl->focus_window); _gdk_xid_table_insert (screen_x11->display, &impl->focus_window, window); } size_hints.flags = PSize; size_hints.width = impl->width; size_hints.height = impl->height; check_leader_window_title (screen_x11->display); wm_hints.flags = StateHint | WindowGroupHint; wm_hints.window_group = GDK_DISPLAY_X11 (screen_x11->display)->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 (xdisplay, xid, &size_hints); XSetWMHints (xdisplay, xid, &wm_hints); /* This will set WM_CLIENT_MACHINE and WM_LOCALE_NAME */ XSetWMProperties (xdisplay, xid, NULL, NULL, NULL, 0, NULL, NULL, NULL); pid = getpid (); XChangeProperty (xdisplay, xid, gdk_x11_get_xatom_by_name_for_display (screen_x11->display, "_NET_WM_PID"), XA_CARDINAL, 32, PropModeReplace, (guchar *)&pid, 1); XChangeProperty (xdisplay, xid, gdk_x11_get_xatom_by_name_for_display (screen_x11->display, "WM_CLIENT_LEADER"), XA_WINDOW, 32, PropModeReplace, (guchar *) &GDK_DISPLAY_X11 (screen_x11->display)->leader_window, 1); if (attributes_mask & GDK_WA_TITLE) title = attributes->title; else title = get_default_title (); 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 (xdisplay, xid, class_hint); XFree (class_hint); } return window; } static GdkEventMask x_event_mask_to_gdk_event_mask (long mask) { GdkEventMask event_mask = 0; int i; for (i = 0; i < _gdk_nenvent_masks; i++) { if (mask & _gdk_event_mask_table[i]) event_mask |= 1 << (i + 1); } return event_mask; } /** * gdk_window_foreign_new_for_display: * @display: the #GdkDisplay where the window handle comes from. * @anid: a native window handle. * * Wraps a native window in a #GdkWindow. * This may fail if the window has been destroyed. * * For example in the X backend, a native window handle is an Xlib * XID. * * Return value: the newly-created #GdkWindow wrapper for the * native window or %NULL if the window has been destroyed. * * Since: 2.2 **/ GdkWindow * gdk_window_foreign_new_for_display (GdkDisplay *display, GdkNativeWindow anid) { GdkWindow *window; GdkWindowObject *private; GdkWindowImplX11 *impl; GdkDrawableImplX11 *draw_impl; GdkDisplayX11 *display_x11; XWindowAttributes attrs; Window root, parent; Window *children = NULL; guint nchildren; gboolean result; g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL); display_x11 = GDK_DISPLAY_X11 (display); gdk_error_trap_push (); result = XGetWindowAttributes (display_x11->xdisplay, 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 (display_x11->xdisplay, 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); draw_impl->screen = _gdk_x11_display_screen_for_xrootwin (display, root); private->parent = gdk_xid_table_lookup_for_display (display, parent); if (!private->parent || GDK_WINDOW_TYPE (private->parent) == GDK_WINDOW_FOREIGN) private->parent = (GdkWindowObject *) gdk_screen_get_root_window (draw_impl->screen); private->parent->children = g_list_prepend (private->parent->children, window); draw_impl->xid = anid; 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->event_mask = x_event_mask_to_gdk_event_mask (attrs.your_event_mask); if (attrs.map_state == IsUnmapped) private->state = GDK_WINDOW_STATE_WITHDRAWN; else private->state = 0; private->depth = attrs.depth; _gdk_window_init_position (GDK_WINDOW (private)); g_object_ref (window); _gdk_xid_table_insert (display, &GDK_WINDOW_XID (window), window); return window; } /** * gdk_window_lookup_for_display: * @display: the #GdkDisplay corresponding to the window handle * @anid: a native window handle. * * Looks up the #GdkWindow that wraps the given native window handle. * * For example in the X backend, a native window handle is an Xlib * XID. * * Return value: the #GdkWindow wrapper for the native window, * or %NULL if there is none. * * Since: 2.2 **/ GdkWindow * gdk_window_lookup_for_display (GdkDisplay *display, GdkNativeWindow anid) { return (GdkWindow*) gdk_xid_table_lookup_for_display (display, anid); } /** * gdk_window_lookup: * @anid: a native window handle. * * Looks up the #GdkWindow that wraps the given native window handle. * * For example in the X backend, a native window handle is an Xlib * XID. * * Return value: the #GdkWindow wrapper for the native window, * or %NULL if there is none. **/ GdkWindow * gdk_window_lookup (GdkNativeWindow anid) { return (GdkWindow*) gdk_xid_table_lookup (anid); } 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); #ifdef HAVE_XFT { GdkDrawableImplX11 *draw_impl = GDK_DRAWABLE_IMPL_X11 (private->impl); #ifdef HAVE_XFT2 if (draw_impl->xft_draw) XftDrawDestroy (draw_impl->xft_draw); #else /* !HAVE_XFT2 */ if (draw_impl->picture) XRenderFreePicture (GDK_DRAWABLE_XDISPLAY (window), draw_impl->picture); #endif /* HAVE_XFT2 */ } #endif /* HAVE_XFT */ 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_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window), "WM_PROTOCOLS"); xevent.format = 32; xevent.data.l[0] = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window), "WM_DELETE_WINDOW"); xevent.data.l[1] = CurrentTime; XSendEvent (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), False, 0, (XEvent *)&xevent); gdk_display_sync (GDK_WINDOW_DISPLAY (window)); 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) { GdkWindowImplX11 *window_impl; g_return_if_fail (window != NULL); window_impl = GDK_WINDOW_IMPL_X11 (((GdkWindowObject *)window)->impl); 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_DISPLAY (window), GDK_WINDOW_XID (window)); if (window_impl->focus_window) _gdk_xid_table_remove (GDK_WINDOW_DISPLAY (window), window_impl->focus_window); _gdk_xgrab_check_destroy (window); g_object_unref (window); } static void set_initial_hints (GdkWindow *window) { GdkDisplay *display = GDK_WINDOW_DISPLAY (window); Display *xdisplay = GDK_DISPLAY_XDISPLAY (display); Window xwindow = GDK_WINDOW_XID (window); GdkWindowObject *private; Atom atoms[6]; gint i; private = (GdkWindowObject*) window; if (private->state & GDK_WINDOW_STATE_ICONIFIED) { XWMHints *wm_hints; wm_hints = XGetWMHints (xdisplay, xwindow); if (!wm_hints) wm_hints = XAllocWMHints (); wm_hints->flags |= StateHint; wm_hints->initial_state = IconicState; XSetWMHints (xdisplay, xwindow, wm_hints); XFree (wm_hints); } /* We set the spec hints regardless of whether the spec is supported, * since it can't hurt and it's kind of expensive to check whether * it's supported. */ i = 0; if (private->state & GDK_WINDOW_STATE_MAXIMIZED) { atoms[i] = gdk_x11_get_xatom_by_name_for_display (xdisplay, "_NET_WM_STATE_MAXIMIZED_VERT"); ++i; atoms[i] = gdk_x11_get_xatom_by_name_for_display (xdisplay, "_NET_WM_STATE_MAXIMIZED_HORZ"); ++i; } if (private->state & GDK_WINDOW_STATE_STICKY) { atoms[i] = gdk_x11_get_xatom_by_name_for_display (xdisplay, "_NET_WM_STATE_STICKY"); ++i; } if (private->state & GDK_WINDOW_STATE_FULLSCREEN) { atoms[i] = gdk_x11_get_xatom_by_name_for_display (xdisplay, "_NET_WM_STATE_FULLSCREEN"); ++i; } if (private->modal_hint) { atoms[i] = gdk_x11_get_xatom_by_name_for_display (xdisplay, "_NET_WM_STATE_MODAL"); ++i; } if (i > 0) { XChangeProperty (xdisplay, xwindow, gdk_x11_get_xatom_by_name_for_display (xdisplay, "_NET_WM_STATE"), XA_ATOM, 32, PropModeReplace, (guchar*) atoms, i); } else { XDeleteProperty (xdisplay, xwindow, gdk_x11_get_xatom_by_name_for_display (xdisplay, "_NET_WM_STATE")); } if (private->state & GDK_WINDOW_STATE_STICKY) { atoms[0] = 0xFFFFFFFF; XChangeProperty (xdisplay, xwindow, gdk_x11_get_xatom_by_name_for_display (xdisplay, "_NET_WM_DESKTOP"), XA_CARDINAL, 32, PropModeReplace, (guchar*) atoms, 1); } else { XDeleteProperty (xdisplay, xwindow, gdk_x11_get_xatom_by_name_for_display (xdisplay, "_NET_WM_DESKTOP")); } } static void show_window_internal (GdkWindow *window, gboolean raise) { GdkWindowObject *private; g_return_if_fail (GDK_IS_WINDOW (window)); private = (GdkWindowObject*) window; if (!private->destroyed) { if (raise) XRaiseWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window)); if (!GDK_WINDOW_IS_MAPPED (window)) { set_initial_hints (window); gdk_synthesize_window_state (window, GDK_WINDOW_STATE_WITHDRAWN, 0); } g_assert (GDK_WINDOW_IS_MAPPED (window)); if (GDK_WINDOW_IMPL_X11 (private->impl)->position_info.mapped) XMapWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window)); } } /** * gdk_window_show_unraised: * @window: a #GdkWindow * * Shows a #GdkWindow onscreen, but does not modify its stacking * order. In contrast, gdk_window_show() will raise the window * to the top of the window stack. * * On the X11 platform, in Xlib terms, this function calls * XMapWindow() (it also updates some internal GDK state, which means * that you can't really use XMapWindow() directly on a GDK window). * **/ void gdk_window_show_unraised (GdkWindow *window) { g_return_if_fail (GDK_IS_WINDOW (window)); show_window_internal (window, FALSE); } /** * gdk_window_show: * @window: a #GdkWindow * * Like gdk_window_show_unraised(), but also raises the window to the * top of the window stack (moves the window to the front of the * Z-order). * * This function maps a window so it's visible onscreen. Its opposite * is gdk_window_hide(). * * When implementing a #GtkWidget, you should call this function on the widget's * #GdkWindow as part of the "map" method. * **/ void gdk_window_show (GdkWindow *window) { g_return_if_fail (GDK_IS_WINDOW (window)); show_window_internal (window, TRUE); } /** * gdk_window_hide: * @window: a #GdkWindow * * For toplevel windows, withdraws them, so they will no longer be * known to the window manager; for all windows, unmaps them, so * they won't be displayed. Normally done automatically as * part of gtk_widget_hide(). * **/ void gdk_window_hide (GdkWindow *window) { GdkWindowObject *private; g_return_if_fail (window != NULL); private = (GdkWindowObject*) window; /* We'll get the unmap notify eventually, and handle it then, * but checking here makes things more consistent if we are * just doing stuff ourself. */ _gdk_xgrab_check_unmap (window, NextRequest (GDK_WINDOW_XDISPLAY (window))); /* You can't simply unmap toplevel windows. */ switch (private->window_type) { case GDK_WINDOW_TOPLEVEL: case GDK_WINDOW_DIALOG: case GDK_WINDOW_TEMP: /* ? */ gdk_window_withdraw (window); return; break; case GDK_WINDOW_FOREIGN: case GDK_WINDOW_ROOT: case GDK_WINDOW_CHILD: break; } if (!private->destroyed) { if (GDK_WINDOW_IS_MAPPED (window)) gdk_synthesize_window_state (window, 0, GDK_WINDOW_STATE_WITHDRAWN); g_assert (!GDK_WINDOW_IS_MAPPED (window)); _gdk_window_clear_update_area (window); XUnmapWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window)); } } /** * gdk_window_withdraw: * @window: a toplevel #GdkWindow * * Withdraws a window (unmaps it and asks the window manager to forget about it). * This function is not really useful as gdk_window_hide() automatically * withdraws toplevel windows before hiding them. * **/ void gdk_window_withdraw (GdkWindow *window) { GdkWindowObject *private; g_return_if_fail (window != NULL); private = (GdkWindowObject*) window; if (!private->destroyed) { if (GDK_WINDOW_IS_MAPPED (window)) gdk_synthesize_window_state (window, 0, GDK_WINDOW_STATE_WITHDRAWN); g_assert (!GDK_WINDOW_IS_MAPPED (window)); XWithdrawWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), 0); } } /** * gdk_window_move: * @window: a #GdkWindow * @x: X coordinate relative to window's parent * @y: Y coordinate relative to window's parent * * Repositions a window relative to its parent window. * For toplevel windows, window managers may ignore or modify the move; * you should probably use gtk_window_move() on a #GtkWindow widget * anyway, instead of using GDK functions. For child windows, * the move will reliably succeed. * * If you're also planning to resize the window, use gdk_window_move_resize() * to both move and resize simultaneously, for a nicer visual effect. **/ 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); } } } /** * gdk_window_resize: * @window: a #GdkWindow * @width: new width of the window * @height: new height of the window * * Resizes @window; for toplevel windows, asks the window manager to resize * the window. The window manager may not allow the resize. When using GTK+, * use gtk_window_resize() instead of this low-level GDK function. * * Windows may not be resized below 1x1. * * If you're also planning to move the window, use gdk_window_move_resize() * to both move and resize simultaneously, for a nicer visual effect. **/ 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 { GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (private->impl); if (width != impl->width || height != impl->height) private->resize_count += 1; XResizeWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), width, height); } } } /** * gdk_window_move_resize: * @window: a #GdkWindow * @x: new X position relative to window's parent * @y: new Y position relative to window's parent * @width: new width * @height: new height * * Equivalent to calling gdk_window_move() and gdk_window_resize(), * except that both operations are performed at once, avoiding strange * visual effects. (i.e. the user may be able to see the window first * move, then resize, if you don't use gdk_window_move_resize().) **/ 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 { GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (private->impl); if (width != impl->width || height != impl->height) private->resize_count += 1; XMoveResizeWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), x, y, width, height); } } } /** * gdk_window_reparent: * @window: a #GdkWindow * @new_parent: new parent to move @window into * @x: X location inside the new parent * @y: Y location inside the new parent * * Reparents @window into the given @new_parent. The window being * reparented will be unmapped as a side effect. * **/ void gdk_window_reparent (GdkWindow *window, GdkWindow *new_parent, gint x, gint y) { GdkDisplay *display; 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 || GDK_IS_WINDOW (new_parent)); g_return_if_fail (GDK_WINDOW_TYPE (window) != GDK_WINDOW_ROOT); if (!new_parent) new_parent = gdk_screen_get_root_window (GDK_WINDOW_SCREEN (window)); display = GDK_WINDOW_DISPLAY (window); 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->x = x; window_private->y = y; /* From here on, we treat parents of type GDK_WINDOW_FOREIGN like * the root window */ if (GDK_WINDOW_TYPE (new_parent) == GDK_WINDOW_FOREIGN) new_parent = gdk_screen_get_root_window (GDK_WINDOW_SCREEN (window)); window_private->parent = (GdkWindowObject *)new_parent; /* Switch the window type as appropriate */ switch (GDK_WINDOW_TYPE (new_parent)) { case GDK_WINDOW_ROOT: case GDK_WINDOW_FOREIGN: /* Now a toplevel */ if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_CHILD) set_wm_protocols (window); break; case GDK_WINDOW_TOPLEVEL: case GDK_WINDOW_CHILD: case GDK_WINDOW_DIALOG: case GDK_WINDOW_TEMP: if (GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD && GDK_WINDOW_TYPE (window) != GDK_WINDOW_FOREIGN) { /* If we were being sophisticated, we'd save the old window type * here, and restore it if we were reparented back to the * toplevel. However, the difference between different types * of toplevels only really matters on creation anyways. */ GDK_WINDOW_TYPE (window) = GDK_WINDOW_CHILD; } } 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); _gdk_window_init_position (GDK_WINDOW (window_private)); } 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); } /** * gdk_window_raise: * @window: a #GdkWindow * * Raises @window to the top of the Z-order (stacking order), so that * other windows with the same parent window appear below @window. * This is true whether or not the windows are visible. * * If @window is a toplevel, the window manager may choose to deny the * request to move the window in the Z-order, gdk_window_raise() only * requests the restack, does not guarantee it. * **/ 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)); } /** * gdk_window_lower: * @window: a #GdkWindow * * Lowers @window to the bottom of the Z-order (stacking order), so that * other windows with the same parent window appear above @window. * This is true whether or not the other windows are visible. * * If @window is a toplevel, the window manager may choose to deny the * request to move the window in the Z-order, gdk_window_lower() only * requests the restack, does not guarantee it. * * Note that gdk_window_show() raises the window again, so don't call this * function before gdk_window_show(). (Try gdk_window_show_unraised().) * **/ 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)); } /** * gdk_window_focus: * @window: a #GdkWindow * @timestamp: timestamp of the event triggering the window focus * * Sets keyboard focus to @window. If @window is not onscreen this * will not work. In most cases, gtk_window_present() should be used on * a #GtkWindow, rather than calling this function. * **/ void gdk_window_focus (GdkWindow *window, guint32 timestamp) { g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; if (gdk_x11_screen_supports_net_wm_hint (GDK_WINDOW_SCREEN (window), gdk_atom_intern ("_NET_ACTIVE_WINDOW", FALSE))) { XEvent xev; xev.xclient.type = ClientMessage; xev.xclient.serial = 0; xev.xclient.send_event = True; xev.xclient.window = GDK_WINDOW_XWINDOW (window); xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window), "_NET_ACTIVE_WINDOW"); xev.xclient.format = 32; xev.xclient.data.l[0] = 0; XSendEvent (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XROOTWIN (window), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev); } else { XRaiseWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window)); /* There is no way of knowing reliably whether we are viewable so we need * to trap errors so we don't cause a BadMatch. */ gdk_error_trap_push (); XSetInputFocus (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XWINDOW (window), RevertToParent, timestamp); XSync (GDK_WINDOW_XDISPLAY (window), False); gdk_error_trap_pop (); } } /** * gdk_window_set_hints: * @window: a #GdkWindow * @x: ignored field, does not matter * @y: ignored field, does not matter * @min_width: minimum width hint * @min_height: minimum height hint * @max_width: max width hint * @max_height: max height hint * @flags: logical OR of GDK_HINT_POS, GDK_HINT_MIN_SIZE, and/or GDK_HINT_MAX_SIZE * * This function is broken and useless and you should ignore it. * If using GTK+, use functions such as gtk_window_resize(), gtk_window_set_size_request(), * gtk_window_move(), gtk_window_parse_geometry(), and gtk_window_set_geometry_hints(), * depending on what you're trying to do. * * If using GDK directly, use gdk_window_set_geometry_hints(). * **/ 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 if * flags == 0? It would save space on the server */ XSetWMNormalHints (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), &size_hints); } /** * gdk_window_set_type_hint: * @window: A toplevel #GdkWindow * @hint: A hint of the function this window will have * * The application can use this call to provide a hint to the window * manager about the functionality of a window. The window manager * can use this information when determining the decoration and behaviour * of the window. * * The hint must be set before the window is mapped. **/ void gdk_window_set_type_hint (GdkWindow *window, GdkWindowTypeHint hint) { GdkDisplay *display; Atom atom; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; display = gdk_drawable_get_display (window); switch (hint) { case GDK_WINDOW_TYPE_HINT_DIALOG: atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DIALOG"); break; case GDK_WINDOW_TYPE_HINT_MENU: atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_MENU"); break; case GDK_WINDOW_TYPE_HINT_TOOLBAR: atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_TOOLBAR"); break; case GDK_WINDOW_TYPE_HINT_UTILITY: atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_UTILITY"); break; case GDK_WINDOW_TYPE_HINT_SPLASHSCREEN: atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_SPLASH"); break; case GDK_WINDOW_TYPE_HINT_DOCK: atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DOCK"); break; case GDK_WINDOW_TYPE_HINT_DESKTOP: atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DESKTOP"); break; default: g_warning ("Unknown hint %d passed to gdk_window_set_type_hint", hint); /* Fall thru */ case GDK_WINDOW_TYPE_HINT_NORMAL: atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_NORMAL"); break; } XChangeProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window), gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE"), XA_ATOM, 32, PropModeReplace, (guchar *)&atom, 1); } static void gdk_wmspec_change_state (gboolean add, GdkWindow *window, GdkAtom state1, GdkAtom state2) { GdkDisplay *display = GDK_WINDOW_DISPLAY (window); XEvent xev; #define _NET_WM_STATE_REMOVE 0 /* remove/unset property */ #define _NET_WM_STATE_ADD 1 /* add/set property */ #define _NET_WM_STATE_TOGGLE 2 /* toggle property */ xev.xclient.type = ClientMessage; xev.xclient.serial = 0; xev.xclient.send_event = True; xev.xclient.window = GDK_WINDOW_XID (window); xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE"); xev.xclient.format = 32; xev.xclient.data.l[0] = add ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE; xev.xclient.data.l[1] = gdk_x11_atom_to_xatom_for_display (display, state1); xev.xclient.data.l[2] = gdk_x11_atom_to_xatom_for_display (display, state2); XSendEvent (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XROOTWIN (window), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev); } /** * gdk_window_set_modal_hint: * @window: A toplevel #GdkWindow * @modal: TRUE if the window is modal, FALSE otherwise. * * The application can use this hint to tell the window manager * that a certain window has modal behaviour. The window manager * can use this information to handle modal windows in a special * way. * * You should only use this on windows for which you have * previously called #gdk_window_set_transient_for() **/ void gdk_window_set_modal_hint (GdkWindow *window, gboolean modal) { GdkWindowObject *private; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; private = (GdkWindowObject*) window; private->modal_hint = modal; if (GDK_WINDOW_IS_MAPPED (window)) gdk_wmspec_change_state (modal, window, gdk_atom_intern ("_NET_WM_STATE_MODAL", FALSE), 0); } /** * gdk_window_set_skip_taskbar_hint: * @window: a toplevel #GdkWindow * @skips_taskbar: %TRUE to skip the taskbar * * Toggles whether a window should appear in a task list or window * list. If a window's semantic type as specified with * gdk_window_set_type_hint() already fully describes the window, this * function should NOT be called in addition, instead you should allow * the window to be treated according to standard policy for its * semantic type. * * Since: 2.2 **/ void gdk_window_set_skip_taskbar_hint (GdkWindow *window, gboolean skips_taskbar) { GdkWindowObject *private; GdkWindowImplX11 *impl; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; private = (GdkWindowObject*) window; impl = GDK_WINDOW_IMPL_X11 (private->impl); impl->skip_taskbar_hint = skips_taskbar; if (GDK_WINDOW_IS_MAPPED (window)) gdk_wmspec_change_state (skips_taskbar, window, gdk_atom_intern ("_NET_WM_STATE_SKIP_TASKBAR", FALSE), 0); } /** * gdk_window_set_skip_pager_hint: * @window: a toplevel #GdkWindow * @skips_pager: %TRUE to skip the pager * * Toggles whether a window should appear in a pager (workspace * switcher, or other desktop utility program that displays a small * thumbnail representation of the windows on the desktop). If a * window's semantic type as specified with gdk_window_set_type_hint() * already fully describes the window, this function should NOT be * called in addition, instead you should allow the window to be * treated according to standard policy for its semantic type. * * Since: 2.2 **/ void gdk_window_set_skip_pager_hint (GdkWindow *window, gboolean skips_pager) { GdkWindowObject *private; GdkWindowImplX11 *impl; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; private = (GdkWindowObject*) window; impl = GDK_WINDOW_IMPL_X11 (private->impl); impl->skip_pager_hint = skips_pager; if (GDK_WINDOW_IS_MAPPED (window)) gdk_wmspec_change_state (skips_pager, window, gdk_atom_intern ("_NET_WM_STATE_SKIP_PAGER", FALSE), 0); } /** * gdk_window_set_geometry_hints: * @window: a toplevel #GdkWindow * @geometry: geometry hints * @geom_mask: bitmask indicating fields of @geometry to pay attention to * * Sets the geometry hints for @window. Hints flagged in @geom_mask * are set, hints not flagged in @geom_mask are unset. * To unset all hints, use a @geom_mask of 0 and a @geometry of %NULL. * * This function provides hints to the windowing system about * acceptable sizes for a toplevel window. The purpose of * this is to constrain user resizing, but the windowing system * will typically (but is not required to) also constrain the * current size of the window to the provided values and * constrain programatic resizing via gdk_window_resize() or * gdk_window_move_resize(). * * Note that on X11, this effect has no effect on windows * of type GDK_WINDOW_TEMP or windows where override_redirect * has been turned on via gdk_window_set_override_redirect() * since these windows are not resizable by the user. * * Since you can't count on the windowing system doing the * constraints for programmatic resizes, you should generally * call gdk_window_constrain_size() yourself to determine * appropriate sizes. * **/ 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_USER_POS) { size_hints.flags |= USPosition; } if (geom_mask & GDK_HINT_USER_SIZE) { size_hints.flags |= USSize; } 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.win_gravity = geometry->win_gravity; } /* FIXME: Would it be better to delete this property if * geom_mask == 0? It would save space on the server */ XSetWMNormalHints (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), &size_hints); } static void gdk_window_get_geometry_hints (GdkWindow *window, GdkGeometry *geometry, GdkWindowHints *geom_mask) { XSizeHints size_hints; glong junk_size_mask = 0; g_return_if_fail (GDK_IS_WINDOW (window)); g_return_if_fail (geometry != NULL); g_return_if_fail (geom_mask != NULL); *geom_mask = 0; if (GDK_WINDOW_DESTROYED (window)) return; if (!XGetWMNormalHints (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), &size_hints, &junk_size_mask)) return; if (size_hints.flags & PMinSize) { *geom_mask |= GDK_HINT_MIN_SIZE; geometry->min_width = size_hints.min_width; geometry->min_height = size_hints.min_height; } if (size_hints.flags & PMaxSize) { *geom_mask |= GDK_HINT_MAX_SIZE; geometry->max_width = MAX (size_hints.max_width, 1); geometry->max_height = MAX (size_hints.max_height, 1); } if (size_hints.flags & PResizeInc) { *geom_mask |= GDK_HINT_RESIZE_INC; geometry->width_inc = size_hints.width_inc; geometry->height_inc = size_hints.height_inc; } if (size_hints.flags & PAspect) { *geom_mask |= GDK_HINT_ASPECT; geometry->min_aspect = (gdouble) size_hints.min_aspect.x / (gdouble) size_hints.min_aspect.y; geometry->max_aspect = (gdouble) size_hints.max_aspect.x / (gdouble) size_hints.max_aspect.y; } if (size_hints.flags & PWinGravity) { *geom_mask |= GDK_HINT_WIN_GRAVITY; geometry->win_gravity = size_hints.win_gravity; } } 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 (GdkDisplay *display, Window xwindow, Atom property, const gchar *utf8_str) { guchar *prop_text = NULL; Atom prop_type; gint prop_length; gint prop_format; if (utf8_is_latin1 (utf8_str)) { prop_type = XA_STRING; prop_text = gdk_utf8_to_string_target (utf8_str); prop_length = prop_text ? strlen (prop_text) : 0; prop_format = 8; } else { GdkAtom gdk_type; gdk_utf8_to_compound_text_for_display (display, utf8_str, &gdk_type, &prop_format, &prop_text, &prop_length); prop_type = gdk_x11_atom_to_xatom_for_display (display, gdk_type); } if (prop_text) { XChangeProperty (GDK_DISPLAY_XDISPLAY (display), xwindow, property, prop_type, prop_format, PropModeReplace, prop_text, prop_length); g_free (prop_text); } } /* Set WM_NAME and _NET_WM_NAME */ static void set_wm_name (GdkDisplay *display, Window xwindow, const gchar *name) { XChangeProperty (GDK_DISPLAY_XDISPLAY (display), xwindow, gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_NAME"), gdk_x11_get_xatom_by_name_for_display (display, "UTF8_STRING"), 8, PropModeReplace, name, strlen (name)); set_text_property (display, xwindow, gdk_x11_get_xatom_by_name_for_display (display, "WM_NAME"), name); } /** * gdk_window_set_title: * @window: a toplevel #GdkWindow * @title: title of @window * * Sets the title of a toplevel window, to be displayed in the titlebar. * If you haven't explicitly set the icon name for the window * (using gdk_window_set_icon_name()), the icon name will be set to * @title as well. @title must be in UTF-8 encoding (as with all * user-readable strings in GDK/GTK+). @title may not be %NULL. **/ void gdk_window_set_title (GdkWindow *window, const gchar *title) { GdkDisplay *display; Display *xdisplay; Window xwindow; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); g_return_if_fail (title != NULL); if (GDK_WINDOW_DESTROYED (window)) return; display = gdk_drawable_get_display (window); xdisplay = GDK_DISPLAY_XDISPLAY (display); xwindow = GDK_WINDOW_XID (window); set_wm_name (display, xwindow, title); if (!gdk_window_icon_name_set (window)) { XChangeProperty (xdisplay, xwindow, gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_ICON_NAME"), gdk_x11_get_xatom_by_name_for_display (display, "UTF8_STRING"), 8, PropModeReplace, title, strlen (title)); set_text_property (display, xwindow, gdk_x11_get_xatom_by_name_for_display (display, "WM_ICON_NAME"), title); } } /** * gdk_window_set_role: * @window: a toplevel #GdkWindow * @role: a string indicating its role * * When using GTK+, typically you should use gtk_window_set_role() instead * of this low-level function. * * The window manager and session manager use a window's role to * distinguish it from other kinds of window in the same application. * When an application is restarted after being saved in a previous * session, all windows with the same title and role are treated as * interchangeable. So if you have two windows with the same title * that should be distinguished for session management purposes, you * should set the role on those windows. It doesn't matter what string * you use for the role, as long as you have a different role for each * non-interchangeable kind of window. * **/ void gdk_window_set_role (GdkWindow *window, const gchar *role) { GdkDisplay *display; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); display = gdk_drawable_get_display (window); if (!GDK_WINDOW_DESTROYED (window)) { if (role) XChangeProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window), gdk_x11_get_xatom_by_name_for_display (display, "WM_WINDOW_ROLE"), XA_STRING, 8, PropModeReplace, role, strlen (role)); else XDeleteProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window), gdk_x11_get_xatom_by_name_for_display (display, "WM_WINDOW_ROLE")); } } /** * gdk_window_set_transient_for: * @window: a toplevel #GdkWindow * @parent: another toplevel #GdkWindow * * Indicates to the window manager that @window is a transient dialog * associated with the application window @parent. This allows the * window manager to do things like center @window on @parent and * keep @window above @parent. * * See gtk_window_set_transient_for() if you're using #GtkWindow or * #GtkDialog. * **/ 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)); } /** * gdk_window_set_background: * @window: a #GdkWindow * @color: an allocated #GdkColor * * Sets the background color of @window. (However, when using GTK+, * set the background of a widget with gtk_widget_modify_bg() - if * you're an application - or gtk_style_set_background() - if you're * implementing a custom widget.) * * The @color must be allocated; gdk_rgb_find_color() is the best way * to allocate a color. * * See also gdk_window_set_back_pixmap(). * **/ 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) g_object_unref (private->bg_pixmap); private->bg_pixmap = NULL; } /** * gdk_window_set_back_pixmap: * @window: a #GdkWindow * @pixmap: a #GdkPixmap, or %NULL * @parent_relative: whether the tiling origin is at the origin of @window's parent * * Sets the background pixmap of @window. May also be used to set a background of * "None" on @window, by setting a background pixmap of %NULL. * A background pixmap will be tiled, positioning the first tile at the origin of * @window, or if @parent_relative is %TRUE, the tiling will be done based on the * origin of the parent window (useful to align tiles in a parent with tiles * in a child). * * A background pixmap of %NULL means that the window will have no * background. A window with no background will never have its * background filled by the windowing system, instead the window will * contain whatever pixels were already in the corresponding area of * the display. * * The windowing system will normally fill a window with its background * when the window is obscured then exposed, and when you call * gdk_window_clear(). * **/ 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); g_return_if_fail (pixmap == NULL || gdk_drawable_get_depth (window) == gdk_drawable_get_depth (pixmap)); if (private->bg_pixmap && private->bg_pixmap != GDK_PARENT_RELATIVE_BG && private->bg_pixmap != GDK_NO_BG) g_object_unref (private->bg_pixmap); if (parent_relative) { xpixmap = ParentRelative; private->bg_pixmap = GDK_PARENT_RELATIVE_BG; } else { if (pixmap) { g_object_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); } /** * gdk_window_set_cursor: * @window: a #GdkWindow * @cursor: a cursor * * Sets the mouse pointer for a #GdkWindow. Use gdk_cursor_new() or * gdk_cursor_new_from_pixmap() to create the cursor. * To make the cursor invisible, use gdk_cursor_new_from_pixmap() to create * a cursor with no pixels in it. Passing %NULL for the @cursor argument * to gdk_window_set_cursor() means that @window will use the cursor of * its parent window. Most windows should use this default. * **/ 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); } /** * gdk_window_get_geometry: * @window: a #GdkWindow * @x: return location for X coordinate of window (relative to its parent) * @y: return location for Y coordinate of window (relative to its parent) * @width: return location for width of window * @height: return location for height of window * @depth: return location for bit depth of window * * Any of the return location arguments to this function may be %NULL, * if you aren't interested in getting the value of that field. * * The X and Y coordinates returned are relative to the parent window * of @window, which for toplevels usually means relative to the * window decorations (titlebar, etc.) rather than relative to the * root window (screen-size background window). * * On the X11 platform, the geometry is obtained from the X server, * so reflects the latest position of @window; this may be out-of-sync * with the position of @window delivered in the most-recently-processed * #GdkEventConfigure. gdk_window_get_position() in contrast gets the * position from the most recent configure event. * **/ 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) { GDK_NOTE (MULTIHEAD, g_message ("gdk_window_get_geometry(): Window needs to be non-NULL to be multi head safe")); window = gdk_screen_get_root_window ((gdk_screen_get_default ())); } 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; } } /** * gdk_window_get_origin: * @window: a #GdkWindow * @x: return location for X coordinate * @y: return location for Y coordinate * * Obtains the position of a window in root window coordinates. * (Compare with gdk_window_get_position() and * gdk_window_get_geometry() which return the position of a window * relative to its parent window.) * * Return value: not meaningful, ignore **/ 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_WINDOW_XROOTWIN (window), 0, 0, &tx, &ty, &child); } else return_val = 0; if (x) *x = tx; if (y) *y = ty; return return_val; } /** * gdk_window_get_deskrelative_origin: * @window: a toplevel #GdkWindow * @x: return location for X coordinate * @y: return location for Y coordinate * * This gets the origin of a #GdkWindow relative to * an Enlightenment-window-manager desktop. As long as you don't * assume that the user's desktop/workspace covers the entire * root window (i.e. you don't assume that the desktop begins * at root window coordinate 0,0) this function is not necessary. * It's deprecated for that reason. * * Return value: not meaningful **/ 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; Atom atom; 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)) { atom = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window), "ENLIGHTENMENT_DESKTOP"); 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; } /** * gdk_window_get_root_origin: * @window: a toplevel #GdkWindow * @x: return location for X position of window frame * @y: return location for Y position of window frame * * Obtains the top-left corner of the window manager frame in root * window coordinates. * **/ void gdk_window_get_root_origin (GdkWindow *window, gint *x, gint *y) { GdkRectangle rect; g_return_if_fail (GDK_IS_WINDOW (window)); gdk_window_get_frame_extents (window, &rect); if (x) *x = rect.x; if (y) *y = rect.y; } /** * gdk_window_get_frame_extents: * @window: a toplevel #GdkWindow * @rect: rectangle to fill with bounding box of the window frame * * Obtains the bounding box of the window, including window manager * titlebar/borders if any. The frame position is given in root window * coordinates. To get the position of the window itself (rather than * the frame) in root window coordinates, use gdk_window_get_origin(). * **/ void gdk_window_get_frame_extents (GdkWindow *window, GdkRectangle *rect) { GdkWindowObject *private; Window xwindow; Window xparent; Window root; Window *children; unsigned int nchildren; g_return_if_fail (GDK_IS_WINDOW (window)); g_return_if_fail (rect != NULL); private = (GdkWindowObject*) window; rect->x = 0; rect->y = 0; rect->width = 1; rect->height = 1; 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)) { rect->x = wx; rect->y = wy; rect->width = ww; rect->height = wh; } } } void _gdk_windowing_get_pointer (GdkDisplay *display, GdkScreen **screen, gint *x, gint *y, GdkModifierType *mask) { GdkScreen *default_screen; Window root = None; Window child; int rootx, rooty; int winx; int winy; unsigned int xmask; if (display->closed) return; default_screen = gdk_display_get_default_screen (display); XQueryPointer (GDK_SCREEN_XDISPLAY (default_screen), GDK_SCREEN_XROOTWIN (default_screen), &root, &child, &rootx, &rooty, &winx, &winy, &xmask); if (root != None) { GdkWindow *gdk_root = gdk_window_lookup_for_display (display, root); *screen = gdk_drawable_get_screen (gdk_root); } *x = rootx; *y = rooty; *mask = xmask; } GdkWindow* _gdk_windowing_window_get_pointer (GdkDisplay *display, 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); _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_for_display (GDK_WINDOW_DISPLAY (window), child); } *x = winx + xoffset; *y = winy + yoffset; *mask = xmask; return return_val; } GdkWindow* _gdk_windowing_window_at_pointer (GdkDisplay *display, gint *win_x, gint *win_y) { GdkWindow *window; GdkScreen *screen; Window root; Window xwindow; Window child; Window xwindow_last = 0; Display *xdisplay; int rootx = -1, rooty = -1; int winx, winy; unsigned int xmask; screen = gdk_display_get_default_screen (display); xwindow = GDK_SCREEN_XROOTWIN (screen); xdisplay = GDK_SCREEN_XDISPLAY (screen); /* This function really only works if the mouse pointer is held still * during its operation. If it moves from one leaf window to another * than we'll end up with inaccurate values for win_x, win_y * and the result. */ XGrabServer (xdisplay); XQueryPointer (xdisplay, xwindow, &root, &child, &rootx, &rooty, &winx, &winy, &xmask); if (root == xwindow) xwindow = child; else xwindow = root; while (xwindow) { xwindow_last = xwindow; XQueryPointer (xdisplay, xwindow, &root, &xwindow, &rootx, &rooty, &winx, &winy, &xmask); } XUngrabServer (xdisplay); window = gdk_window_lookup_for_display (GDK_SCREEN_DISPLAY(screen), xwindow_last); *win_x = window ? winx : -1; *win_y = window ? winy : -1; return window; } /** * gdk_window_get_events: * @window: a #GdkWindow * * Gets the event mask for @window. See gdk_window_set_events(). * * Return value: event mask for @window **/ GdkEventMask gdk_window_get_events (GdkWindow *window) { XWindowAttributes attrs; GdkEventMask event_mask; 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 = x_event_mask_to_gdk_event_mask (attrs.your_event_mask); GDK_WINDOW_OBJECT (window)->event_mask = event_mask; return event_mask; } } /** * gdk_window_set_events: * @window: a #GdkWindow * @event_mask: event mask for @window * * The event mask for a window determines which events will be reported * for that window. For example, an event mask including #GDK_BUTTON_PRESS_MASK * means the window should report button press events. The event mask * is the bitwise OR of values from the #GdkEventMask enumeration. * **/ 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)) { GDK_WINDOW_OBJECT (window)->event_mask = event_mask; xevent_mask = StructureNotifyMask | PropertyChangeMask; for (i = 0; i < _gdk_nenvent_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); } } static 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)); if (GDK_WINDOW_DESTROYED (window)) return; toplevel = gdk_window_get_toplevel (window); 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 (GdkDisplay *display) { GdkDisplayX11 *display_x11; g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE); display_x11 = GDK_DISPLAY_X11 (display); if (display_x11->have_shape == GDK_UNKNOWN) { int ignore; if (XQueryExtension (display_x11->xdisplay, "SHAPE", &ignore, &ignore, &ignore)) display_x11->have_shape = GDK_YES; else display_x11->have_shape = GDK_NO; } return (display_x11->have_shape == GDK_YES); } #define WARN_SHAPE_TOO_BIG() g_warning ("GdkWindow is too large to allow the use of shape masks or shape regions.") /* * This needs the X11 shape extension. * If not available, shaped windows will look * ugly, but programs still work. Stefan Wille */ /** * gdk_window_shape_combine_mask: * @window: a #GdkWindow * @mask: shape mask * @x: X position of shape mask with respect to @window * @y: Y position of shape mask with respect to @window * * Applies a shape mask to @window. Pixels in @window corresponding to * set bits in the @mask will be visible; pixels in @window * corresponding to unset bits in the @mask will be transparent. This * gives a non-rectangular window. * * If @mask is %NULL, the shape mask will be unset, and the @x/@y * parameters are not used. * * On the X11 platform, this uses an X server extension which is * widely available on most common platforms, but not available on * very old X servers, and occasionally the implementation will be * buggy. On servers without the shape extension, this function * will do nothing. * * This function works on both toplevel and child windows. * **/ void gdk_window_shape_combine_mask (GdkWindow *window, GdkBitmap *mask, gint x, gint y) { Pixmap pixmap; gint xoffset, yoffset; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); #ifdef HAVE_SHAPE_EXT if (GDK_WINDOW_DESTROYED (window)) return; _gdk_windowing_window_get_offsets (window, &xoffset, &yoffset); if (xoffset != 0 || yoffset != 0) { WARN_SHAPE_TOO_BIG (); return; } if (gdk_window_have_shape_ext (GDK_WINDOW_DISPLAY (window))) { 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 */ } /** * gdk_window_shape_combine_region: * @window: a #GdkWindow * @shape_region: region of window to be non-transparent * @offset_x: X position of @shape_region in @window coordinates * @offset_y: Y position of @shape_region in @window coordinates * * Makes pixels in @window outside @shape_region be transparent, * so that the window may be nonrectangular. See also * gdk_window_shape_combine_mask() to use a bitmap as the mask. * * If @shape_region is %NULL, the shape will be unset, so the whole * window will be opaque again. @offset_x and @offset_y are ignored * if @shape_region is %NULL. * * On the X11 platform, this uses an X server extension which is * widely available on most common platforms, but not available on * very old X servers, and occasionally the implementation will be * buggy. On servers without the shape extension, this function * will do nothing. * * This function works on both toplevel and child windows. * **/ void gdk_window_shape_combine_region (GdkWindow *window, GdkRegion *shape_region, gint offset_x, gint offset_y) { gint xoffset, yoffset; g_return_if_fail (GDK_IS_WINDOW (window)); #ifdef HAVE_SHAPE_EXT if (GDK_WINDOW_DESTROYED (window)) return; _gdk_windowing_window_get_offsets (window, &xoffset, &yoffset); if (xoffset != 0 || yoffset != 0) { WARN_SHAPE_TOO_BIG (); return; } if (shape_region == NULL) { /* Use NULL mask to unset the shape */ gdk_window_shape_combine_mask (window, NULL, 0, 0); return; } if (gdk_window_have_shape_ext (GDK_WINDOW_DISPLAY (window))) { gint n_rects = 0; XRectangle *xrects = NULL; _gdk_region_get_xrectangles (shape_region, 0, 0, &xrects, &n_rects); XShapeCombineRectangles (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), ShapeBounding, offset_x, offset_y, xrects, n_rects, ShapeSet, YXBanded); g_free (xrects); } #endif /* HAVE_SHAPE_EXT */ } /** * gdk_window_set_override_redirect: * @window: a toplevel #GdkWindow * @override_redirect: %TRUE if window should be override redirect * * An override redirect window is not under the control of the window manager. * This means it won't have a titlebar, won't be minimizable, etc. - it will * be entirely under the control of the application. The window manager * can't see the override redirect window at all. * * Override redirect should only be used for short-lived temporary * windows, such as popup menus. #GtkMenu uses an override redirect * window in its implementation, for example. * **/ 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); } } /** * gdk_window_set_icon_list: * @window: The #GdkWindow toplevel window to set the icon of. * @pixbufs: A list of pixbufs, of different sizes. * * Sets a list of icons for the window. One of these will be used * to represent the window when it has been iconified. The icon is * usually shown in an icon box or some sort of task bar. Which icon * size is shown depends on the window manager. The window manager * can scale the icon but setting several size icons can give better * image quality since the window manager may only need to scale the * icon by a small amount or not at all. * **/ void gdk_window_set_icon_list (GdkWindow *window, GList *pixbufs) { gulong *data; guchar *pixels; gulong *p; gint size; GList *l; GdkPixbuf *pixbuf; gint width, height, stride; gint x, y; gint n_channels; GdkDisplay *display; g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; display = gdk_drawable_get_display (window); l = pixbufs; size = 0; while (l) { pixbuf = l->data; g_return_if_fail (GDK_IS_PIXBUF (pixbuf)); width = gdk_pixbuf_get_width (pixbuf); height = gdk_pixbuf_get_height (pixbuf); size += 2 + width * height; l = g_list_next (l); } data = g_malloc (size * sizeof (gulong)); l = pixbufs; p = data; while (l) { pixbuf = l->data; width = gdk_pixbuf_get_width (pixbuf); height = gdk_pixbuf_get_height (pixbuf); stride = gdk_pixbuf_get_rowstride (pixbuf); n_channels = gdk_pixbuf_get_n_channels (pixbuf); *p++ = width; *p++ = height; pixels = gdk_pixbuf_get_pixels (pixbuf); for (y = 0; y < height; y++) { for (x = 0; x < width; x++) { guchar r, g, b, a; r = pixels[y*stride + x*n_channels + 0]; g = pixels[y*stride + x*n_channels + 1]; b = pixels[y*stride + x*n_channels + 2]; if (n_channels >= 4) a = pixels[y*stride + x*n_channels + 3]; else a = 255; *p++ = a << 24 | r << 16 | g << 8 | b ; } } l = g_list_next (l); } if (size > 0) { XChangeProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window), gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_ICON"), XA_CARDINAL, 32, PropModeReplace, (guchar*) data, size); } else { XDeleteProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window), gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_ICON")); } g_free (data); } /** * gdk_window_set_icon: * @window: a toplevel #GdkWindow * @icon_window: a #GdkWindow to use for the icon, or %NULL to unset * @pixmap: a #GdkPixmap to use as the icon, or %NULL to unset * @mask: a 1-bit pixmap (#GdkBitmap) to use as mask for @pixmap, or %NULL to have none * * Sets the icon of @window as a pixmap or window. If using GTK+, investigate * gtk_window_set_default_icon_list() first, and then gtk_window_set_icon_list() * and gtk_window_set_icon(). If those don't meet your needs, look at * gdk_window_set_icon_list(). Only if all those are too high-level do you * want to fall back to gdk_window_set_icon(). * **/ 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"))); } /** * gdk_window_set_icon_name: * @window: a toplevel #GdkWindow * @name: name of window while iconified (minimized) * * Windows may have a name used while minimized, distinct from the * name they display in their titlebar. Most of the time this is a bad * idea from a user interface standpoint. But you can set such a name * with this function, if you like. * **/ void gdk_window_set_icon_name (GdkWindow *window, const gchar *name) { GdkDisplay *display; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; display = gdk_drawable_get_display (window); g_object_set_qdata (G_OBJECT (window), g_quark_from_static_string ("gdk-icon-name-set"), GUINT_TO_POINTER (TRUE)); XChangeProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window), gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_ICON_NAME"), gdk_x11_get_xatom_by_name_for_display (display, "UTF8_STRING"), 8, PropModeReplace, name, strlen (name)); set_text_property (display, GDK_WINDOW_XID (window), gdk_x11_get_xatom_by_name_for_display (display, "WM_ICON_NAME"), name); } /** * gdk_window_iconify: * @window: a toplevel #GdkWindow * * Asks to iconify (minimize) @window. The window manager may choose * to ignore the request, but normally will honor it. Using * gtk_window_iconify() is preferred, if you have a #GtkWindow widget. * * This function only makes sense when @window is a toplevel window. * **/ void gdk_window_iconify (GdkWindow *window) { GdkWindowObject *private; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; private = (GdkWindowObject*) window; if (GDK_WINDOW_IS_MAPPED (window)) { XIconifyWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XWINDOW (window), gdk_screen_get_number (GDK_WINDOW_SCREEN (window))); } else { /* Flip our client side flag, the real work happens on map. */ gdk_synthesize_window_state (window, 0, GDK_WINDOW_STATE_ICONIFIED); } } /** * gdk_window_deiconify: * @window: a toplevel #GdkWindow * * Attempt to deiconify (unminimize) @window. On X11 the window manager may * choose to ignore the request to deiconify. When using GTK+, * use gtk_window_deiconify() instead of the #GdkWindow variant. Or better yet, * you probably want to use gtk_window_present(), which raises the window, focuses it, * unminimizes it, and puts it on the current desktop. * **/ void gdk_window_deiconify (GdkWindow *window) { GdkWindowObject *private; g_return_if_fail (window != NULL); g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; private = (GdkWindowObject*) window; if (GDK_WINDOW_IS_MAPPED (window)) { gdk_window_show (window); } else { /* Flip our client side flag, the real work happens on map. */ gdk_synthesize_window_state (window, GDK_WINDOW_STATE_ICONIFIED, 0); } } /** * gdk_window_stick: * @window: a toplevel #GdkWindow * * "Pins" a window such that it's on all workspaces and does not scroll * with viewports, for window managers that have scrollable viewports. * (When using #GtkWindow, gtk_window_stick() may be more useful.) * * On the X11 platform, this function depends on window manager * support, so may have no effect with many window managers. However, * GDK will do the best it can to convince the window manager to stick * the window. For window managers that don't support this operation, * there's nothing you can do to force it to happen. * **/ void gdk_window_stick (GdkWindow *window) { g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; if (GDK_WINDOW_IS_MAPPED (window)) { /* "stick" means stick to all desktops _and_ do not scroll with the * viewport. i.e. glue to the monitor glass in all cases. */ XEvent xev; /* Request stick during viewport scroll */ gdk_wmspec_change_state (TRUE, window, gdk_atom_intern ("_NET_WM_STATE_STICKY", FALSE), 0); /* Request desktop 0xFFFFFFFF */ xev.xclient.type = ClientMessage; xev.xclient.serial = 0; xev.xclient.send_event = True; xev.xclient.window = GDK_WINDOW_XWINDOW (window); xev.xclient.display = GDK_WINDOW_XDISPLAY (window); xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window), "_NET_WM_DESKTOP"); xev.xclient.format = 32; xev.xclient.data.l[0] = 0xFFFFFFFF; XSendEvent (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XROOTWIN (window), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev); } else { /* Flip our client side flag, the real work happens on map. */ gdk_synthesize_window_state (window, 0, GDK_WINDOW_STATE_STICKY); } } /** * gdk_window_unstick: * @window: a toplevel #GdkWindow * * Reverse operation for gdk_window_stick(); see gdk_window_stick(), * and gtk_window_unstick(). * **/ void gdk_window_unstick (GdkWindow *window) { g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; if (GDK_WINDOW_IS_MAPPED (window)) { XEvent xev; Atom type; gint format; gulong nitems; gulong bytes_after; gulong *current_desktop; GdkDisplay *display = gdk_drawable_get_display (window); /* Request unstick from viewport */ gdk_wmspec_change_state (FALSE, window, gdk_atom_intern ("_NET_WM_STATE_STICKY", FALSE), 0); /* Get current desktop, then set it; this is a race, but not * one that matters much in practice. */ XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XROOTWIN (window), gdk_x11_get_xatom_by_name_for_display (display, "_NET_CURRENT_DESKTOP"), 0, G_MAXLONG, False, XA_CARDINAL, &type, &format, &nitems, &bytes_after, (guchar **)¤t_desktop); if (type == XA_CARDINAL) { xev.xclient.type = ClientMessage; xev.xclient.serial = 0; xev.xclient.send_event = True; xev.xclient.window = GDK_WINDOW_XWINDOW (window); xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_DESKTOP"); xev.xclient.format = 32; xev.xclient.data.l[0] = *current_desktop; XSendEvent (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XROOTWIN (window), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev); XFree (current_desktop); } } else { /* Flip our client side flag, the real work happens on map. */ gdk_synthesize_window_state (window, GDK_WINDOW_STATE_STICKY, 0); } } /** * gdk_window_maximize: * @window: a toplevel #GdkWindow * * Maximizes the window. If the window was already maximized, then * this function does nothing. * * On X11, asks the window manager to maximize @window, if the window * manager supports this operation. Not all window managers support * this, and some deliberately ignore it or don't have a concept of * "maximized"; so you can't rely on the maximization actually * happening. But it will happen with most standard window managers, * and GDK makes a best effort to get it to happen. * * On Windows, reliably maximizes the window. * **/ void gdk_window_maximize (GdkWindow *window) { g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; if (GDK_WINDOW_IS_MAPPED (window)) gdk_wmspec_change_state (TRUE, window, gdk_atom_intern ("_NET_WM_STATE_MAXIMIZED_VERT", FALSE), gdk_atom_intern ("_NET_WM_STATE_MAXIMIZED_HORZ", FALSE)); else gdk_synthesize_window_state (window, 0, GDK_WINDOW_STATE_MAXIMIZED); } /** * gdk_window_unmaximize: * @window: a toplevel #GdkWindow * * Unmaximizes the window. If the window wasn't maximized, then this * function does nothing. * * On X11, asks the window manager to unmaximize @window, if the * window manager supports this operation. Not all window managers * support this, and some deliberately ignore it or don't have a * concept of "maximized"; so you can't rely on the unmaximization * actually happening. But it will happen with most standard window * managers, and GDK makes a best effort to get it to happen. * * On Windows, reliably unmaximizes the window. * **/ void gdk_window_unmaximize (GdkWindow *window) { g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; if (GDK_WINDOW_IS_MAPPED (window)) gdk_wmspec_change_state (FALSE, window, gdk_atom_intern ("_NET_WM_STATE_MAXIMIZED_VERT", FALSE), gdk_atom_intern ("_NET_WM_STATE_MAXIMIZED_HORZ", FALSE)); else gdk_synthesize_window_state (window, GDK_WINDOW_STATE_MAXIMIZED, 0); } /** * gdk_window_fullscreen: * @window: a toplevel #GdkWindow * * Moves the window into fullscreen mode. This means the * window covers the entire screen and is above any panels * or task bars. * * If the window was already fullscreen, then this function does nothing. * * On X11, asks the window manager to put @window in a fullscreen * state, if the window manager supports this operation. Not all * window managers support this, and some deliberately ignore it or * don't have a concept of "fullscreen"; so you can't rely on the * fullscreenification actually happening. But it will happen with * most standard window managers, and GDK makes a best effort to get * it to happen. * * Since: 2.2 **/ void gdk_window_fullscreen (GdkWindow *window) { g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; if (GDK_WINDOW_IS_MAPPED (window)) gdk_wmspec_change_state (TRUE, window, gdk_atom_intern ("_NET_WM_STATE_FULLSCREEN", FALSE), GDK_NONE); else gdk_synthesize_window_state (window, 0, GDK_WINDOW_STATE_FULLSCREEN); } /** * gdk_window_unfullscreen: * @window: a toplevel #GdkWindow * * Moves the window out of fullscreen mode. If the window was not * fullscreen, does nothing. * * On X11, asks the window manager to move @window out of the fullscreen * state, if the window manager supports this operation. Not all * window managers support this, and some deliberately ignore it or * don't have a concept of "fullscreen"; so you can't rely on the * unfullscreenification actually happening. But it will happen with * most standard window managers, and GDK makes a best effort to get * it to happen. * * Since: 2.2 **/ void gdk_window_unfullscreen (GdkWindow *window) { g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; if (GDK_WINDOW_IS_MAPPED (window)) gdk_wmspec_change_state (FALSE, window, gdk_atom_intern ("_NET_WM_STATE_FULLSCREEN", FALSE), GDK_NONE); else gdk_synthesize_window_state (window, GDK_WINDOW_STATE_FULLSCREEN, 0); } /** * gdk_window_set_group: * @window: a toplevel #GdkWindow * @leader: group leader window * * Sets the group leader window for @window. By default, * GDK sets the group leader for all toplevel windows * to a global window implicitly created by GDK. With this function * you can override this default. * * The group leader window allows the window manager to distinguish * all windows that belong to a single application. It may for example * allow users to minimize/unminimize all windows belonging to an * application at once. You should only set a non-default group window * if your application pretends to be multiple applications. * The group leader window may not be changed after a window has been * mapped (with gdk_window_show() for example). * **/ 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 MotifWmHints * gdk_window_get_mwm_hints (GdkWindow *window) { GdkDisplay *display; Atom hints_atom = None; MotifWmHints *hints; Atom type; gint format; gulong nitems; gulong bytes_after; if (GDK_WINDOW_DESTROYED (window)) return NULL; display = gdk_drawable_get_display (window); hints_atom = gdk_x11_get_xatom_by_name_for_display (display, _XA_MOTIF_WM_HINTS); XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window), hints_atom, 0, sizeof (MotifWmHints)/sizeof (long), False, AnyPropertyType, &type, &format, &nitems, &bytes_after, (guchar **)&hints); if (type == None) return NULL; return hints; } static void gdk_window_set_mwm_hints (GdkWindow *window, MotifWmHints *new_hints) { GdkDisplay *display; Atom hints_atom = None; MotifWmHints *hints; Atom type; gint format; gulong nitems; gulong bytes_after; if (GDK_WINDOW_DESTROYED (window)) return; display = gdk_drawable_get_display (window); hints_atom = gdk_x11_get_xatom_by_name_for_display (display, _XA_MOTIF_WM_HINTS); 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); } /** * gdk_window_set_decorations: * @window: a toplevel #GdkWindow * @decorations: decoration hint mask * * "Decorations" are the features the window manager adds to a toplevel #GdkWindow. * This function sets the traditional Motif window manager hints that tell the * window manager which decorations you would like your window to have. * Usually you should use gtk_window_set_decorated() on a #GtkWindow instead of * using the GDK function directly. * * The @decorations argument is the logical OR of the fields in * the #GdkWMDecoration enumeration. If #GDK_DECOR_ALL is included in the * mask, the other bits indicate which decorations should be turned off. * If #GDK_DECOR_ALL is not included, then the other bits indicate * which decorations should be turned on. * * Most window managers honor a decorations hint of 0 to disable all decorations, * but very few honor all possible combinations of bits. * **/ 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); } /** * gdk_window_get_decorations: * @window: The toplevel #GdkWindow to get the decorations from * @decorations: The window decorations will be written here * * Returns the decorations set on the GdkWindow with #gdk_window_set_decorations * Returns: TRUE if the window has decorations set, FALSE otherwise. **/ gboolean gdk_window_get_decorations(GdkWindow *window, GdkWMDecoration *decorations) { MotifWmHints *hints; gboolean result = FALSE; g_return_val_if_fail (GDK_IS_WINDOW (window), FALSE); hints = gdk_window_get_mwm_hints (window); if (hints) { if (hints->flags & MWM_HINTS_DECORATIONS) { if (decorations) *decorations = hints->decorations; result = TRUE; } XFree (hints); } return result; } /** * gdk_window_set_functions: * @window: a toplevel #GdkWindow * @functions: bitmask of operations to allow on @window * * This function isn't really good for much. It sets the traditional * Motif window manager hint for which operations the window manager * should allow on a toplevel window. However, few window managers do * anything reliable or interesting with this hint. Many ignore it * entirely. * * The @functions argument is the logical OR of values from the * #GdkWMFunction enumeration. If the bitmask includes #GDK_FUNC_ALL, * then the other bits indicate which functions to disable; if * it doesn't include #GDK_FUNC_ALL, it indicates which functions to * enable. * **/ 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); } #ifdef HAVE_SHAPE_EXT /* * 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); } #endif /* HAVE_SHAPE_EXT */ /** * gdk_window_set_child_shapes: * @window: a #GdkWindow * * Sets the shape mask of @window to the union of shape masks * for all children of @window, ignoring the shape mask of @window * itself. Contrast with gdk_window_merge_child_shapes() which includes * the shape mask of @window in the masks to be merged. **/ 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_WINDOW_DISPLAY (window))) gdk_propagate_shapes (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window), FALSE); #endif } /** * gdk_window_merge_child_shapes: * @window: a #GdkWindow * * Merges the shape masks for any child windows into the * shape mask for @window. i.e. the union of all masks * for @window and its children will become the new mask * for @window. See gdk_window_shape_combine_mask(). * * This function is distinct from gdk_window_set_child_shapes() * because it includes @window's shape mask in the set of shapes to * be merged. * **/ 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_WINDOW_DISPLAY (window))) 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 (GdkWindow *window) { GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (GDK_DRAWABLE_DISPLAY (window)); if (display_x11->gravity_works == GDK_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 (display_x11->xdisplay), "Sun Microsystems, Inc.")) && (VendorRelease (display_x11->xdisplay) == 3400)) { display_x11->gravity_works = GDK_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 (gdk_screen_get_root_window (GDK_DRAWABLE_SCREEN (window)), &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); display_x11->gravity_works = ((y == -20) ? GDK_YES : GDK_NO); } return (display_x11->gravity_works == GDK_YES); } static void gdk_window_set_static_bit_gravity (GdkWindow *window, gboolean on) { XSetWindowAttributes xattributes; GdkWindowObject *private; guint xattributes_mask = 0; g_return_if_fail (window != NULL); private = GDK_WINDOW_OBJECT (window); if (private->input_only) return; 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: * @window: a #GdkWindow * @use_static: %TRUE to turn on static gravity * * Set the bit gravity of the given window to static, and flag it so * all children get static subwindow gravity. This is used if you are * implementing scary features that involve deep knowledge of the * windowing system. Don't worry about it unless you have to. * * Return value: %TRUE if the server supports 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 (window)) 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 (tmp_list->data, use_static); tmp_list = tmp_list->next; } } return TRUE; } static void wmspec_moveresize (GdkWindow *window, gint direction, gint root_x, gint root_y, guint32 timestamp) { GdkDisplay *display = GDK_WINDOW_DISPLAY (window); XEvent xev; /* Release passive grab */ gdk_display_pointer_ungrab (display, timestamp); xev.xclient.type = ClientMessage; xev.xclient.serial = 0; xev.xclient.send_event = True; xev.xclient.window = GDK_WINDOW_XID (window); xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_MOVERESIZE"); xev.xclient.format = 32; xev.xclient.data.l[0] = root_x; xev.xclient.data.l[1] = root_y; xev.xclient.data.l[2] = direction; xev.xclient.data.l[3] = 0; xev.xclient.data.l[4] = 0; XSendEvent (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XROOTWIN (window), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev); } typedef struct _MoveResizeData MoveResizeData; struct _MoveResizeData { GdkDisplay *display; GdkWindow *moveresize_window; GdkWindow *moveresize_emulation_window; gboolean is_resize; GdkWindowEdge resize_edge; gint moveresize_button; gint moveresize_x; gint moveresize_y; gint moveresize_orig_x; gint moveresize_orig_y; gint moveresize_orig_width; gint moveresize_orig_height; GdkWindowHints moveresize_geom_mask; GdkGeometry moveresize_geometry; Time moveresize_process_time; XEvent *moveresize_pending_event; }; /* From the WM spec */ #define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0 #define _NET_WM_MOVERESIZE_SIZE_TOP 1 #define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2 #define _NET_WM_MOVERESIZE_SIZE_RIGHT 3 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4 #define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6 #define _NET_WM_MOVERESIZE_SIZE_LEFT 7 #define _NET_WM_MOVERESIZE_MOVE 8 static void wmspec_resize_drag (GdkWindow *window, GdkWindowEdge edge, gint button, gint root_x, gint root_y, guint32 timestamp) { gint direction; /* Let the compiler turn a switch into a table, instead * of doing the table manually, this way is easier to verify. */ switch (edge) { case GDK_WINDOW_EDGE_NORTH_WEST: direction = _NET_WM_MOVERESIZE_SIZE_TOPLEFT; break; case GDK_WINDOW_EDGE_NORTH: direction = _NET_WM_MOVERESIZE_SIZE_TOP; break; case GDK_WINDOW_EDGE_NORTH_EAST: direction = _NET_WM_MOVERESIZE_SIZE_TOPRIGHT; break; case GDK_WINDOW_EDGE_WEST: direction = _NET_WM_MOVERESIZE_SIZE_LEFT; break; case GDK_WINDOW_EDGE_EAST: direction = _NET_WM_MOVERESIZE_SIZE_RIGHT; break; case GDK_WINDOW_EDGE_SOUTH_WEST: direction = _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT; break; case GDK_WINDOW_EDGE_SOUTH: direction = _NET_WM_MOVERESIZE_SIZE_BOTTOM; break; case GDK_WINDOW_EDGE_SOUTH_EAST: direction = _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT; break; default: g_warning ("gdk_window_begin_resize_drag: bad resize edge %d!", edge); return; break; } wmspec_moveresize (window, direction, root_x, root_y, timestamp); } static MoveResizeData * get_move_resize_data (GdkDisplay *display, gboolean create) { MoveResizeData *mv_resize; static GQuark move_resize_quark = 0; if (!move_resize_quark) move_resize_quark = g_quark_from_static_string ("gdk-window-moveresize"); mv_resize = g_object_get_qdata (G_OBJECT (display), move_resize_quark); if (!mv_resize && create) { mv_resize = g_new0 (MoveResizeData, 1); mv_resize->display = display; g_object_set_qdata (G_OBJECT (display), move_resize_quark, mv_resize); } return mv_resize; } static void update_pos (MoveResizeData *mv_resize, gint new_root_x, gint new_root_y) { gint dx, dy; dx = new_root_x - mv_resize->moveresize_x; dy = new_root_y - mv_resize->moveresize_y; if (mv_resize->is_resize) { gint x, y, w, h; x = mv_resize->moveresize_orig_x; y = mv_resize->moveresize_orig_y; w = mv_resize->moveresize_orig_width; h = mv_resize->moveresize_orig_height; switch (mv_resize->resize_edge) { case GDK_WINDOW_EDGE_NORTH_WEST: x += dx; y += dy; w -= dx; h -= dy; break; case GDK_WINDOW_EDGE_NORTH: y += dy; h -= dy; break; case GDK_WINDOW_EDGE_NORTH_EAST: y += dy; h -= dy; w += dx; break; case GDK_WINDOW_EDGE_SOUTH_WEST: h += dy; x += dx; w -= dx; break; case GDK_WINDOW_EDGE_SOUTH_EAST: w += dx; h += dy; break; case GDK_WINDOW_EDGE_SOUTH: h += dy; break; case GDK_WINDOW_EDGE_EAST: w += dx; break; case GDK_WINDOW_EDGE_WEST: x += dx; w -= dx; break; } x = MAX (x, 0); y = MAX (y, 0); w = MAX (w, 1); h = MAX (h, 1); if (mv_resize->moveresize_geom_mask) { gdk_window_constrain_size (&mv_resize->moveresize_geometry, mv_resize->moveresize_geom_mask, w, h, &w, &h); } gdk_window_move_resize (mv_resize->moveresize_window, x, y, w, h); } else { gint x, y; x = mv_resize->moveresize_orig_x + dx; y = mv_resize->moveresize_orig_y + dy; gdk_window_move (mv_resize->moveresize_window, x, y); } } static void finish_drag (MoveResizeData *mv_resize) { gdk_window_destroy (mv_resize->moveresize_emulation_window); mv_resize->moveresize_emulation_window = NULL; mv_resize->moveresize_window = NULL; if (mv_resize->moveresize_pending_event) { g_free (mv_resize->moveresize_pending_event); mv_resize->moveresize_pending_event = NULL; } } static int lookahead_motion_predicate (Display *xdisplay, XEvent *event, XPointer arg) { gboolean *seen_release = (gboolean *)arg; GdkDisplay *display = gdk_x11_lookup_xdisplay (xdisplay); MoveResizeData *mv_resize = get_move_resize_data (display, FALSE); if (*seen_release) return False; switch (event->xany.type) { case ButtonRelease: *seen_release = TRUE; break; case MotionNotify: mv_resize->moveresize_process_time = event->xmotion.time; break; default: break; } return False; } static gboolean moveresize_lookahead (MoveResizeData *mv_resize, XEvent *event) { XEvent tmp_event; gboolean seen_release = FALSE; if (mv_resize->moveresize_process_time) { if (event->xmotion.time == mv_resize->moveresize_process_time) { mv_resize->moveresize_process_time = 0; return TRUE; } else return FALSE; } XCheckIfEvent (event->xany.display, &tmp_event, lookahead_motion_predicate, (XPointer) & seen_release); return mv_resize->moveresize_process_time == 0; } gboolean _gdk_moveresize_handle_event (XEvent *event) { guint button_mask = 0; GdkWindowObject *window_private; GdkDisplay *display = gdk_x11_lookup_xdisplay (event->xany.display); MoveResizeData *mv_resize = get_move_resize_data (display, FALSE); if (!mv_resize || !mv_resize->moveresize_window) return FALSE; window_private = (GdkWindowObject *) mv_resize->moveresize_window; button_mask = GDK_BUTTON1_MASK << (mv_resize->moveresize_button - 1); switch (event->xany.type) { case MotionNotify: if (window_private->resize_count > 0) { if (mv_resize->moveresize_pending_event) *mv_resize->moveresize_pending_event = *event; else mv_resize->moveresize_pending_event = g_memdup (event, sizeof (XEvent)); break; } if (!moveresize_lookahead (mv_resize, event)) break; update_pos (mv_resize, event->xmotion.x_root, event->xmotion.y_root); /* This should never be triggered in normal cases, but in the * case where the drag started without an implicit grab being * in effect, we could miss the release if it occurs before * we grab the pointer; this ensures that we will never * get a permanently stuck grab. */ if ((event->xmotion.state & button_mask) == 0) finish_drag (mv_resize); break; case ButtonRelease: update_pos (mv_resize, event->xbutton.x_root, event->xbutton.y_root); if (event->xbutton.button == mv_resize->moveresize_button) finish_drag (mv_resize); break; } return TRUE; } gboolean _gdk_moveresize_configure_done (GdkDisplay *display, GdkWindow *window) { XEvent *tmp_event; MoveResizeData *mv_resize = get_move_resize_data (display, FALSE); if (!mv_resize || window != mv_resize->moveresize_window) return FALSE; if (mv_resize->moveresize_pending_event) { tmp_event = mv_resize->moveresize_pending_event; mv_resize->moveresize_pending_event = NULL; _gdk_moveresize_handle_event (tmp_event); g_free (tmp_event); } return TRUE; } static void create_moveresize_window (MoveResizeData *mv_resize, guint32 timestamp) { GdkWindowAttr attributes; gint attributes_mask; GdkGrabStatus status; g_assert (mv_resize->moveresize_emulation_window == NULL); attributes.x = -100; attributes.y = -100; attributes.width = 10; attributes.height = 10; attributes.window_type = GDK_WINDOW_TEMP; attributes.wclass = GDK_INPUT_ONLY; attributes.override_redirect = TRUE; attributes.event_mask = 0; attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_NOREDIR; mv_resize->moveresize_emulation_window = gdk_window_new (gdk_screen_get_root_window (gdk_display_get_default_screen (mv_resize->display)), &attributes, attributes_mask); gdk_window_show (mv_resize->moveresize_emulation_window); status = gdk_pointer_grab (mv_resize->moveresize_emulation_window, FALSE, GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK, NULL, NULL, timestamp); if (status != GDK_GRAB_SUCCESS) { /* If this fails, some other client has grabbed the window * already. */ gdk_window_destroy (mv_resize->moveresize_emulation_window); mv_resize->moveresize_emulation_window = NULL; } mv_resize->moveresize_process_time = 0; } /* Calculate mv_resize->moveresize_orig_x and mv_resize->moveresize_orig_y so that calling XMoveWindow with these coordinates will not move the window. Note that this depends on the WM to implement ICCCM-compliant reference point handling. */ static void calculate_unmoving_origin (MoveResizeData *mv_resize) { GdkRectangle rect; gint width, height; if (mv_resize->moveresize_geom_mask & GDK_HINT_WIN_GRAVITY && mv_resize->moveresize_geometry.win_gravity == GDK_GRAVITY_STATIC) { gdk_window_get_origin (mv_resize->moveresize_window, &mv_resize->moveresize_orig_x, &mv_resize->moveresize_orig_y); } else { gdk_window_get_frame_extents (mv_resize->moveresize_window, &rect); gdk_window_get_geometry (mv_resize->moveresize_window, NULL, NULL, &width, &height, NULL); switch (mv_resize->moveresize_geometry.win_gravity) { case GDK_GRAVITY_NORTH_WEST: mv_resize->moveresize_orig_x = rect.x; mv_resize->moveresize_orig_y = rect.y; break; case GDK_GRAVITY_NORTH: mv_resize->moveresize_orig_x = rect.x + rect.width / 2 - width / 2; mv_resize->moveresize_orig_y = rect.y; break; case GDK_GRAVITY_NORTH_EAST: mv_resize->moveresize_orig_x = rect.x + rect.width - width; mv_resize->moveresize_orig_y = rect.y; break; case GDK_GRAVITY_WEST: mv_resize->moveresize_orig_x = rect.x; mv_resize->moveresize_orig_y = rect.y + rect.height / 2 - height / 2; break; case GDK_GRAVITY_CENTER: mv_resize->moveresize_orig_x = rect.x + rect.width / 2 - width / 2; mv_resize->moveresize_orig_y = rect.y + rect.height / 2 - height / 2; break; case GDK_GRAVITY_EAST: mv_resize->moveresize_orig_x = rect.x + rect.width - width; mv_resize->moveresize_orig_y = rect.y + rect.height / 2 - height / 2; break; case GDK_GRAVITY_SOUTH_WEST: mv_resize->moveresize_orig_x = rect.x; mv_resize->moveresize_orig_y = rect.y + rect.height - height; break; case GDK_GRAVITY_SOUTH: mv_resize->moveresize_orig_x = rect.x + rect.width / 2 - width / 2; mv_resize->moveresize_orig_y = rect.y + rect.height - height; break; case GDK_GRAVITY_SOUTH_EAST: mv_resize->moveresize_orig_x = rect.x + rect.width - width; mv_resize->moveresize_orig_y = rect.y + rect.height - height; break; default: mv_resize->moveresize_orig_x = rect.x; mv_resize->moveresize_orig_y = rect.y; break; } } } static void emulate_resize_drag (GdkWindow *window, GdkWindowEdge edge, gint button, gint root_x, gint root_y, guint32 timestamp) { MoveResizeData *mv_resize = get_move_resize_data (GDK_WINDOW_DISPLAY (window), TRUE); mv_resize->is_resize = TRUE; mv_resize->moveresize_button = button; mv_resize->resize_edge = edge; mv_resize->moveresize_x = root_x; mv_resize->moveresize_y = root_y; mv_resize->moveresize_window = g_object_ref (window); gdk_drawable_get_size (window, &mv_resize->moveresize_orig_width, &mv_resize->moveresize_orig_height); mv_resize->moveresize_geom_mask = 0; gdk_window_get_geometry_hints (window, &mv_resize->moveresize_geometry, &mv_resize->moveresize_geom_mask); calculate_unmoving_origin (mv_resize); create_moveresize_window (mv_resize, timestamp); } static void emulate_move_drag (GdkWindow *window, gint button, gint root_x, gint root_y, guint32 timestamp) { MoveResizeData *mv_resize = get_move_resize_data (GDK_WINDOW_DISPLAY (window), TRUE); mv_resize->is_resize = FALSE; mv_resize->moveresize_button = button; mv_resize->moveresize_x = root_x; mv_resize->moveresize_y = root_y; mv_resize->moveresize_window = g_object_ref (window); calculate_unmoving_origin (mv_resize); create_moveresize_window (mv_resize, timestamp); } /** * gdk_window_begin_resize_drag: * @window: a toplevel #GdkWindow * @edge: the edge or corner from which the drag is started * @button: the button being used to drag * @root_x: root window X coordinate of mouse click that began the drag * @root_y: root window Y coordinate of mouse click that began the drag * @timestamp: timestamp of mouse click that began the drag (use gdk_event_get_time()) * * Begins a window resize operation (for a toplevel window). * You might use this function to implement a "window resize grip," for * example; in fact #GtkStatusbar uses it. The function works best * with window managers that support the Extended Window Manager Hints spec * (see http://www.freedesktop.org), but has a fallback implementation * for other window managers. * **/ void gdk_window_begin_resize_drag (GdkWindow *window, GdkWindowEdge edge, gint button, gint root_x, gint root_y, guint32 timestamp) { g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; if (gdk_x11_screen_supports_net_wm_hint (GDK_WINDOW_SCREEN (window), gdk_atom_intern ("_NET_WM_MOVERESIZE", FALSE))) wmspec_resize_drag (window, edge, button, root_x, root_y, timestamp); else emulate_resize_drag (window, edge, button, root_x, root_y, timestamp); } /** * gdk_window_begin_move_drag: * @window: a toplevel #GdkWindow * @button: the button being used to drag * @root_x: root window X coordinate of mouse click that began the drag * @root_y: root window Y coordinate of mouse click that began the drag * @timestamp: timestamp of mouse click that began the drag * * Begins a window move operation (for a toplevel window). You might * use this function to implement a "window move grip," for * example. The function works best with window managers that support * the Extended Window Manager Hints spec (see * http://www.freedesktop.org), but has a fallback implementation for * other window managers. * **/ void gdk_window_begin_move_drag (GdkWindow *window, gint button, gint root_x, gint root_y, guint32 timestamp) { g_return_if_fail (GDK_IS_WINDOW (window)); if (GDK_WINDOW_DESTROYED (window)) return; if (gdk_x11_screen_supports_net_wm_hint (GDK_WINDOW_SCREEN (window), gdk_atom_intern ("_NET_WM_MOVERESIZE", FALSE))) wmspec_moveresize (window, _NET_WM_MOVERESIZE_MOVE, root_x, root_y, timestamp); else emulate_move_drag (window, button, root_x, root_y, timestamp); }