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-rw-r--r--src/ui/ui.c1117
1 files changed, 1117 insertions, 0 deletions
diff --git a/src/ui/ui.c b/src/ui/ui.c
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index 00000000..c41bc891
--- /dev/null
+++ b/src/ui/ui.c
@@ -0,0 +1,1117 @@
+/* Marco interface for talking to GTK+ UI module */
+
+/*
+ * Copyright (C) 2002 Havoc Pennington
+ * stock icon code Copyright (C) 2002 Jorn Baayen <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#include "prefs.h"
+#include "ui.h"
+#include "frames.h"
+#include "util.h"
+#include "menu.h"
+#include "core.h"
+#include "theme.h"
+
+#include <string.h>
+#include <stdlib.h>
+
+static void meta_ui_accelerator_parse(const char* accel, guint* keysym, guint* keycode, GdkModifierType* keymask);
+
+struct _MetaUI {
+ Display* xdisplay;
+ Screen* xscreen;
+ MetaFrames* frames;
+
+ /* For double-click tracking */
+ guint button_click_number;
+ Window button_click_window;
+ int button_click_x;
+ int button_click_y;
+ guint32 button_click_time;
+};
+
+void meta_ui_init(int* argc, char*** argv)
+{
+ if (!gtk_init_check (argc, argv))
+ {
+ meta_fatal ("Unable to open X display %s\n", XDisplayName (NULL));
+ }
+}
+
+Display* meta_ui_get_display(void)
+{
+ return GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
+}
+
+/* We do some of our event handling in frames.c, which expects
+ * GDK events delivered by GTK+. However, since the transition to
+ * client side windows, we can't let GDK see button events, since the
+ * client-side tracking of implicit and explicit grabs it does will
+ * get confused by our direct use of X grabs in the core code.
+ *
+ * So we do a very minimal GDK => GTK event conversion here and send on the
+ * events we care about, and then filter them out so they don't go
+ * through the normal GDK event handling.
+ *
+ * To reduce the amount of code, the only events fields filled out
+ * below are the ones that frames.c uses. If frames.c is modified to
+ * use more fields, more fields need to be filled out below.
+ */
+
+static gboolean
+maybe_redirect_mouse_event (XEvent *xevent)
+{
+ GdkDisplay *gdisplay;
+ MetaUI *ui;
+ GdkEvent gevent;
+ GdkWindow *gdk_window;
+ Window window;
+
+ switch (xevent->type)
+ {
+ case ButtonPress:
+ case ButtonRelease:
+ window = xevent->xbutton.window;
+ break;
+ case MotionNotify:
+ window = xevent->xmotion.window;
+ break;
+ case EnterNotify:
+ case LeaveNotify:
+ window = xevent->xcrossing.window;
+ break;
+ default:
+ return FALSE;
+ }
+
+ gdisplay = gdk_x11_lookup_xdisplay (xevent->xany.display);
+ ui = g_object_get_data (G_OBJECT (gdisplay), "meta-ui");
+ if (!ui)
+ return FALSE;
+
+ gdk_window = gdk_window_lookup_for_display (gdisplay, window);
+ if (gdk_window == NULL)
+ return FALSE;
+
+ /* If GDK already thinks it has a grab, we better let it see events; this
+ * is the menu-navigation case and events need to get sent to the appropriate
+ * (client-side) subwindow for individual menu items.
+ */
+ if (gdk_display_pointer_is_grabbed (gdisplay))
+ return FALSE;
+
+ memset (&gevent, 0, sizeof (gevent));
+
+ switch (xevent->type)
+ {
+ case ButtonPress:
+ case ButtonRelease:
+ if (xevent->type == ButtonPress)
+ {
+ GtkSettings *settings = gtk_settings_get_default ();
+ int double_click_time;
+ int double_click_distance;
+
+ g_object_get (settings,
+ "gtk-double-click-time", &double_click_time,
+ "gtk-double-click-distance", &double_click_distance,
+ NULL);
+
+ if (xevent->xbutton.button == ui->button_click_number &&
+ xevent->xbutton.window == ui->button_click_window &&
+ xevent->xbutton.time < ui->button_click_time + double_click_time &&
+ ABS (xevent->xbutton.x - ui->button_click_x) <= double_click_distance &&
+ ABS (xevent->xbutton.y - ui->button_click_y) <= double_click_distance)
+ {
+ gevent.button.type = GDK_2BUTTON_PRESS;
+
+ ui->button_click_number = 0;
+ }
+ else
+ {
+ gevent.button.type = GDK_BUTTON_PRESS;
+ ui->button_click_number = xevent->xbutton.button;
+ ui->button_click_window = xevent->xbutton.window;
+ ui->button_click_time = xevent->xbutton.time;
+ ui->button_click_x = xevent->xbutton.x;
+ ui->button_click_y = xevent->xbutton.y;
+ }
+ }
+ else
+ {
+ gevent.button.type = GDK_BUTTON_RELEASE;
+ }
+
+ gevent.button.window = gdk_window;
+ gevent.button.button = xevent->xbutton.button;
+ gevent.button.time = xevent->xbutton.time;
+ gevent.button.x = xevent->xbutton.x;
+ gevent.button.y = xevent->xbutton.y;
+ gevent.button.x_root = xevent->xbutton.x_root;
+ gevent.button.y_root = xevent->xbutton.y_root;
+
+ break;
+ case MotionNotify:
+ gevent.motion.type = GDK_MOTION_NOTIFY;
+ gevent.motion.window = gdk_window;
+ break;
+ case EnterNotify:
+ case LeaveNotify:
+ gevent.crossing.type = xevent->type == EnterNotify ? GDK_ENTER_NOTIFY : GDK_LEAVE_NOTIFY;
+ gevent.crossing.window = gdk_window;
+ gevent.crossing.x = xevent->xcrossing.x;
+ gevent.crossing.y = xevent->xcrossing.y;
+ break;
+ default:
+ g_assert_not_reached ();
+ break;
+ }
+
+ /* If we've gotten here, we've filled in the gdk_event and should send it on */
+ gtk_main_do_event (&gevent);
+
+ return TRUE;
+}
+
+typedef struct _EventFunc EventFunc;
+
+struct _EventFunc
+{
+ MetaEventFunc func;
+ gpointer data;
+};
+
+static EventFunc *ef = NULL;
+
+static GdkFilterReturn
+filter_func (GdkXEvent *xevent,
+ GdkEvent *event,
+ gpointer data)
+{
+ g_return_val_if_fail (ef != NULL, GDK_FILTER_CONTINUE);
+
+ if ((* ef->func) (xevent, ef->data) ||
+ maybe_redirect_mouse_event (xevent))
+ return GDK_FILTER_REMOVE;
+ else
+ return GDK_FILTER_CONTINUE;
+}
+
+void
+meta_ui_add_event_func (Display *xdisplay,
+ MetaEventFunc func,
+ gpointer data)
+{
+ g_return_if_fail (ef == NULL);
+
+ ef = g_new (EventFunc, 1);
+ ef->func = func;
+ ef->data = data;
+
+ gdk_window_add_filter (NULL, filter_func, ef);
+}
+
+/* removal is by data due to proxy function */
+void
+meta_ui_remove_event_func (Display *xdisplay,
+ MetaEventFunc func,
+ gpointer data)
+{
+ g_return_if_fail (ef != NULL);
+
+ gdk_window_remove_filter (NULL, filter_func, ef);
+
+ g_free (ef);
+ ef = NULL;
+}
+
+MetaUI*
+meta_ui_new (Display *xdisplay,
+ Screen *screen)
+{
+ GdkDisplay *gdisplay;
+ MetaUI *ui;
+
+ ui = g_new0 (MetaUI, 1);
+ ui->xdisplay = xdisplay;
+ ui->xscreen = screen;
+
+ gdisplay = gdk_x11_lookup_xdisplay (xdisplay);
+ g_assert (gdisplay == gdk_display_get_default ());
+
+ g_assert (xdisplay == GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()));
+ ui->frames = meta_frames_new (XScreenNumberOfScreen (screen));
+ gtk_widget_realize (GTK_WIDGET (ui->frames));
+
+ g_object_set_data (G_OBJECT (gdisplay), "meta-ui", ui);
+
+ return ui;
+}
+
+void
+meta_ui_free (MetaUI *ui)
+{
+ GdkDisplay *gdisplay;
+
+ gtk_widget_destroy (GTK_WIDGET (ui->frames));
+
+ gdisplay = gdk_x11_lookup_xdisplay (ui->xdisplay);
+ g_object_set_data (G_OBJECT (gdisplay), "meta-ui", NULL);
+
+ g_free (ui);
+}
+
+void
+meta_ui_get_frame_geometry (MetaUI *ui,
+ Window frame_xwindow,
+ int *top_height, int *bottom_height,
+ int *left_width, int *right_width)
+{
+ meta_frames_get_geometry (ui->frames, frame_xwindow,
+ top_height, bottom_height,
+ left_width, right_width);
+}
+
+Window
+meta_ui_create_frame_window (MetaUI *ui,
+ Display *xdisplay,
+ Visual *xvisual,
+ gint x,
+ gint y,
+ gint width,
+ gint height,
+ gint screen_no)
+{
+ GdkDisplay *display = gdk_x11_lookup_xdisplay (xdisplay);
+ GdkScreen *screen = gdk_display_get_screen (display, screen_no);
+ GdkWindowAttr attrs;
+ gint attributes_mask;
+ GdkWindow *window;
+ GdkVisual *visual;
+ GdkColormap *cmap = gdk_screen_get_default_colormap (screen);
+
+ /* Default depth/visual handles clients with weird visuals; they can
+ * always be children of the root depth/visual obviously, but
+ * e.g. DRI games can't be children of a parent that has the same
+ * visual as the client.
+ */
+ if (!xvisual)
+ visual = gdk_screen_get_system_visual (screen);
+ else
+ {
+ visual = gdk_x11_screen_lookup_visual (screen,
+ XVisualIDFromVisual (xvisual));
+ cmap = gdk_colormap_new (visual, FALSE);
+ }
+
+ attrs.title = NULL;
+
+ /* frame.c is going to replace the event mask immediately, but
+ * we still have to set it here to let GDK know what it is.
+ */
+ attrs.event_mask =
+ GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
+ GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK |
+ GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK | GDK_FOCUS_CHANGE_MASK;
+ attrs.x = x;
+ attrs.y = y;
+ attrs.wclass = GDK_INPUT_OUTPUT;
+ attrs.visual = visual;
+ attrs.colormap = cmap;
+ attrs.window_type = GDK_WINDOW_CHILD;
+ attrs.cursor = NULL;
+ attrs.wmclass_name = NULL;
+ attrs.wmclass_class = NULL;
+ attrs.override_redirect = FALSE;
+
+ attrs.width = width;
+ attrs.height = height;
+
+ attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
+
+ window =
+ gdk_window_new (gdk_screen_get_root_window(screen),
+ &attrs, attributes_mask);
+
+ gdk_window_resize (window, width, height);
+
+ meta_frames_manage_window (ui->frames, GDK_WINDOW_XID (window), window);
+
+ return GDK_WINDOW_XID (window);
+}
+
+void
+meta_ui_destroy_frame_window (MetaUI *ui,
+ Window xwindow)
+{
+ meta_frames_unmanage_window (ui->frames, xwindow);
+}
+
+void
+meta_ui_move_resize_frame (MetaUI *ui,
+ Window frame,
+ int x,
+ int y,
+ int width,
+ int height)
+{
+ meta_frames_move_resize_frame (ui->frames, frame, x, y, width, height);
+}
+
+void
+meta_ui_map_frame (MetaUI *ui,
+ Window xwindow)
+{
+ GdkWindow *window;
+
+ window = gdk_xid_table_lookup (xwindow);
+
+ if (window)
+ gdk_window_show_unraised (window);
+}
+
+void
+meta_ui_unmap_frame (MetaUI *ui,
+ Window xwindow)
+{
+ GdkWindow *window;
+
+ window = gdk_xid_table_lookup (xwindow);
+
+ if (window)
+ gdk_window_hide (window);
+}
+
+void
+meta_ui_unflicker_frame_bg (MetaUI *ui,
+ Window xwindow,
+ int target_width,
+ int target_height)
+{
+ meta_frames_unflicker_bg (ui->frames, xwindow,
+ target_width, target_height);
+}
+
+void
+meta_ui_repaint_frame (MetaUI *ui,
+ Window xwindow)
+{
+ meta_frames_repaint_frame (ui->frames, xwindow);
+}
+
+void
+meta_ui_reset_frame_bg (MetaUI *ui,
+ Window xwindow)
+{
+ meta_frames_reset_bg (ui->frames, xwindow);
+}
+
+void
+meta_ui_apply_frame_shape (MetaUI *ui,
+ Window xwindow,
+ int new_window_width,
+ int new_window_height,
+ gboolean window_has_shape)
+{
+ meta_frames_apply_shapes (ui->frames, xwindow,
+ new_window_width, new_window_height,
+ window_has_shape);
+}
+
+void
+meta_ui_queue_frame_draw (MetaUI *ui,
+ Window xwindow)
+{
+ meta_frames_queue_draw (ui->frames, xwindow);
+}
+
+
+void
+meta_ui_set_frame_title (MetaUI *ui,
+ Window xwindow,
+ const char *title)
+{
+ meta_frames_set_title (ui->frames, xwindow, title);
+}
+
+MetaWindowMenu*
+meta_ui_window_menu_new (MetaUI *ui,
+ Window client_xwindow,
+ MetaMenuOp ops,
+ MetaMenuOp insensitive,
+ unsigned long active_workspace,
+ int n_workspaces,
+ MetaWindowMenuFunc func,
+ gpointer data)
+{
+ return meta_window_menu_new (ui->frames,
+ ops, insensitive,
+ client_xwindow,
+ active_workspace,
+ n_workspaces,
+ func, data);
+}
+
+void
+meta_ui_window_menu_popup (MetaWindowMenu *menu,
+ int root_x,
+ int root_y,
+ int button,
+ guint32 timestamp)
+{
+ meta_window_menu_popup (menu, root_x, root_y, button, timestamp);
+}
+
+void
+meta_ui_window_menu_free (MetaWindowMenu *menu)
+{
+ meta_window_menu_free (menu);
+}
+
+struct _MetaImageWindow
+{
+ GtkWidget *window;
+ GdkPixmap *pixmap;
+};
+
+MetaImageWindow*
+meta_image_window_new (Display *xdisplay,
+ int screen_number,
+ int max_width,
+ int max_height)
+{
+ MetaImageWindow *iw;
+ GdkDisplay *gdisplay;
+ GdkScreen *gscreen;
+
+ iw = g_new (MetaImageWindow, 1);
+ iw->window = gtk_window_new (GTK_WINDOW_POPUP);
+
+ gdisplay = gdk_x11_lookup_xdisplay (xdisplay);
+ gscreen = gdk_display_get_screen (gdisplay, screen_number);
+
+ gtk_window_set_screen (GTK_WINDOW (iw->window), gscreen);
+
+ gtk_widget_realize (iw->window);
+ iw->pixmap = gdk_pixmap_new (iw->window->window,
+ max_width, max_height,
+ -1);
+
+ gtk_widget_set_size_request (iw->window, 1, 1);
+ gtk_widget_set_double_buffered (iw->window, FALSE);
+ gtk_widget_set_app_paintable (iw->window, TRUE);
+
+ return iw;
+}
+
+void
+meta_image_window_free (MetaImageWindow *iw)
+{
+ gtk_widget_destroy (iw->window);
+ g_object_unref (G_OBJECT (iw->pixmap));
+ g_free (iw);
+}
+
+void
+meta_image_window_set_showing (MetaImageWindow *iw,
+ gboolean showing)
+{
+ if (showing)
+ gtk_widget_show_all (iw->window);
+ else
+ {
+ gtk_widget_hide (iw->window);
+ meta_core_increment_event_serial (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()));
+ }
+}
+
+void
+meta_image_window_set (MetaImageWindow *iw,
+ GdkPixbuf *pixbuf,
+ int x,
+ int y)
+{
+ cairo_t *cr;
+
+ /* We use a back pixmap to avoid having to handle exposes, because
+ * it's really too slow for large clients being minimized, etc.
+ * and this way flicker is genuinely zero.
+ */
+
+ gdk_draw_pixbuf (iw->pixmap,
+ iw->window->style->black_gc,
+ pixbuf,
+ 0, 0,
+ 0, 0,
+ gdk_pixbuf_get_width (pixbuf),
+ gdk_pixbuf_get_height (pixbuf),
+ GDK_RGB_DITHER_NORMAL,
+ 0, 0);
+ cr = gdk_cairo_create (iw->pixmap);
+ gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0);
+ cairo_paint (cr);
+ cairo_destroy (cr);
+
+ gdk_window_set_back_pixmap (iw->window->window,
+ iw->pixmap,
+ FALSE);
+
+ gdk_window_move_resize (iw->window->window,
+ x, y,
+ gdk_pixbuf_get_width (pixbuf),
+ gdk_pixbuf_get_height (pixbuf));
+
+ gdk_window_clear (iw->window->window);
+}
+
+static GdkColormap*
+get_cmap (GdkPixmap *pixmap)
+{
+ GdkColormap *cmap;
+
+ cmap = gdk_drawable_get_colormap (pixmap);
+ if (cmap)
+ g_object_ref (G_OBJECT (cmap));
+
+ if (cmap == NULL)
+ {
+ if (gdk_drawable_get_depth (pixmap) == 1)
+ {
+ meta_verbose ("Using NULL colormap for snapshotting bitmap\n");
+ cmap = NULL;
+ }
+ else
+ {
+ meta_verbose ("Using system cmap to snapshot pixmap\n");
+ cmap = gdk_screen_get_system_colormap (gdk_drawable_get_screen (pixmap));
+
+ g_object_ref (G_OBJECT (cmap));
+ }
+ }
+
+ /* Be sure we aren't going to blow up due to visual mismatch */
+ if (cmap &&
+ (gdk_colormap_get_visual (cmap)->depth !=
+ gdk_drawable_get_depth (pixmap)))
+ {
+ cmap = NULL;
+ meta_verbose ("Switching back to NULL cmap because of depth mismatch\n");
+ }
+
+ return cmap;
+}
+
+GdkPixbuf*
+meta_gdk_pixbuf_get_from_window (GdkPixbuf *dest,
+ Window xwindow,
+ int src_x,
+ int src_y,
+ int dest_x,
+ int dest_y,
+ int width,
+ int height)
+{
+ GdkDrawable *drawable;
+ GdkPixbuf *retval;
+ GdkColormap *cmap;
+
+ retval = NULL;
+
+ drawable = gdk_xid_table_lookup (xwindow);
+
+ if (drawable)
+ g_object_ref (G_OBJECT (drawable));
+ else
+ drawable = gdk_window_foreign_new (xwindow);
+
+ cmap = get_cmap (drawable);
+
+ retval = gdk_pixbuf_get_from_drawable (dest,
+ drawable,
+ cmap,
+ src_x, src_y,
+ dest_x, dest_y,
+ width, height);
+
+ if (cmap)
+ g_object_unref (G_OBJECT (cmap));
+ g_object_unref (G_OBJECT (drawable));
+
+ return retval;
+}
+
+GdkPixbuf*
+meta_gdk_pixbuf_get_from_pixmap (GdkPixbuf *dest,
+ Pixmap xpixmap,
+ int src_x,
+ int src_y,
+ int dest_x,
+ int dest_y,
+ int width,
+ int height)
+{
+ GdkDrawable *drawable;
+ GdkPixbuf *retval;
+ GdkColormap *cmap;
+
+ retval = NULL;
+ cmap = NULL;
+
+ drawable = gdk_xid_table_lookup (xpixmap);
+
+ if (drawable)
+ g_object_ref (G_OBJECT (drawable));
+ else
+ drawable = gdk_pixmap_foreign_new (xpixmap);
+
+ if (drawable)
+ {
+ cmap = get_cmap (drawable);
+
+ retval = gdk_pixbuf_get_from_drawable (dest,
+ drawable,
+ cmap,
+ src_x, src_y,
+ dest_x, dest_y,
+ width, height);
+ }
+ if (cmap)
+ g_object_unref (G_OBJECT (cmap));
+ if (drawable)
+ g_object_unref (G_OBJECT (drawable));
+
+ return retval;
+}
+
+void
+meta_ui_push_delay_exposes (MetaUI *ui)
+{
+ meta_frames_push_delay_exposes (ui->frames);
+}
+
+void
+meta_ui_pop_delay_exposes (MetaUI *ui)
+{
+ meta_frames_pop_delay_exposes (ui->frames);
+}
+
+GdkPixbuf*
+meta_ui_get_default_window_icon (MetaUI *ui)
+{
+ static GdkPixbuf *default_icon = NULL;
+
+ if (default_icon == NULL)
+ {
+ GtkIconTheme *theme;
+ gboolean icon_exists;
+
+ theme = gtk_icon_theme_get_default ();
+
+ icon_exists = gtk_icon_theme_has_icon (theme, META_DEFAULT_ICON_NAME);
+
+ if (icon_exists)
+ default_icon = gtk_icon_theme_load_icon (theme,
+ META_DEFAULT_ICON_NAME,
+ META_ICON_WIDTH,
+ 0,
+ NULL);
+ else
+ default_icon = gtk_icon_theme_load_icon (theme,
+ "gtk-missing-image",
+ META_ICON_WIDTH,
+ 0,
+ NULL);
+
+ g_assert (default_icon);
+ }
+
+ g_object_ref (G_OBJECT (default_icon));
+
+ return default_icon;
+}
+
+GdkPixbuf*
+meta_ui_get_default_mini_icon (MetaUI *ui)
+{
+ static GdkPixbuf *default_icon = NULL;
+
+ if (default_icon == NULL)
+ {
+ GtkIconTheme *theme;
+ gboolean icon_exists;
+
+ theme = gtk_icon_theme_get_default ();
+
+ icon_exists = gtk_icon_theme_has_icon (theme, META_DEFAULT_ICON_NAME);
+
+ if (icon_exists)
+ default_icon = gtk_icon_theme_load_icon (theme,
+ META_DEFAULT_ICON_NAME,
+ META_MINI_ICON_WIDTH,
+ 0,
+ NULL);
+ else
+ default_icon = gtk_icon_theme_load_icon (theme,
+ "gtk-missing-image",
+ META_MINI_ICON_WIDTH,
+ 0,
+ NULL);
+
+ g_assert (default_icon);
+ }
+
+ g_object_ref (G_OBJECT (default_icon));
+
+ return default_icon;
+}
+
+gboolean
+meta_ui_window_should_not_cause_focus (Display *xdisplay,
+ Window xwindow)
+{
+ GdkWindow *window;
+
+ window = gdk_xid_table_lookup (xwindow);
+
+ /* we shouldn't cause focus if we're an override redirect
+ * toplevel which is not foreign
+ */
+ if (window && gdk_window_get_window_type (window) == GDK_WINDOW_TEMP)
+ return TRUE;
+ else
+ return FALSE;
+}
+
+char*
+meta_text_property_to_utf8 (Display *xdisplay,
+ const XTextProperty *prop)
+{
+ char **list;
+ int count;
+ char *retval;
+
+ list = NULL;
+
+ count = gdk_text_property_to_utf8_list (gdk_x11_xatom_to_atom (prop->encoding),
+ prop->format,
+ prop->value,
+ prop->nitems,
+ &list);
+
+ if (count == 0)
+ retval = NULL;
+ else
+ {
+ retval = list[0];
+ list[0] = g_strdup (""); /* something to free */
+ }
+
+ g_strfreev (list);
+
+ return retval;
+}
+
+void
+meta_ui_theme_get_frame_borders (MetaUI *ui,
+ MetaFrameType type,
+ MetaFrameFlags flags,
+ int *top_height,
+ int *bottom_height,
+ int *left_width,
+ int *right_width)
+{
+ int text_height;
+ PangoContext *context;
+ const PangoFontDescription *font_desc;
+ GtkStyle *default_style;
+
+ if (meta_ui_have_a_theme ())
+ {
+ context = gtk_widget_get_pango_context (GTK_WIDGET (ui->frames));
+ font_desc = meta_prefs_get_titlebar_font ();
+
+ if (!font_desc)
+ {
+ default_style = gtk_widget_get_default_style ();
+ font_desc = default_style->font_desc;
+ }
+
+ text_height = meta_pango_font_desc_get_text_height (font_desc, context);
+
+ meta_theme_get_frame_borders (meta_theme_get_current (),
+ type, text_height, flags,
+ top_height, bottom_height,
+ left_width, right_width);
+ }
+ else
+ {
+ *top_height = *bottom_height = *left_width = *right_width = 0;
+ }
+}
+
+void
+meta_ui_set_current_theme (const char *name,
+ gboolean force_reload)
+{
+ meta_theme_set_current (name, force_reload);
+ meta_invalidate_default_icons ();
+}
+
+gboolean
+meta_ui_have_a_theme (void)
+{
+ return meta_theme_get_current () != NULL;
+}
+
+static void
+meta_ui_accelerator_parse (const char *accel,
+ guint *keysym,
+ guint *keycode,
+ GdkModifierType *keymask)
+{
+ if (accel[0] == '0' && accel[1] == 'x')
+ {
+ *keysym = 0;
+ *keycode = (guint) strtoul (accel, NULL, 16);
+ *keymask = 0;
+ }
+ else
+ gtk_accelerator_parse (accel, keysym, keymask);
+}
+
+gboolean
+meta_ui_parse_accelerator (const char *accel,
+ unsigned int *keysym,
+ unsigned int *keycode,
+ MetaVirtualModifier *mask)
+{
+ GdkModifierType gdk_mask = 0;
+ guint gdk_sym = 0;
+ guint gdk_code = 0;
+
+ *keysym = 0;
+ *keycode = 0;
+ *mask = 0;
+
+ if (strcmp (accel, "disabled") == 0)
+ return TRUE;
+
+ meta_ui_accelerator_parse (accel, &gdk_sym, &gdk_code, &gdk_mask);
+ if (gdk_mask == 0 && gdk_sym == 0 && gdk_code == 0)
+ return FALSE;
+
+ if (gdk_sym == None && gdk_code == 0)
+ return FALSE;
+
+ if (gdk_mask & GDK_RELEASE_MASK) /* we don't allow this */
+ return FALSE;
+
+ *keysym = gdk_sym;
+ *keycode = gdk_code;
+
+ if (gdk_mask & GDK_SHIFT_MASK)
+ *mask |= META_VIRTUAL_SHIFT_MASK;
+ if (gdk_mask & GDK_CONTROL_MASK)
+ *mask |= META_VIRTUAL_CONTROL_MASK;
+ if (gdk_mask & GDK_MOD1_MASK)
+ *mask |= META_VIRTUAL_ALT_MASK;
+ if (gdk_mask & GDK_MOD2_MASK)
+ *mask |= META_VIRTUAL_MOD2_MASK;
+ if (gdk_mask & GDK_MOD3_MASK)
+ *mask |= META_VIRTUAL_MOD3_MASK;
+ if (gdk_mask & GDK_MOD4_MASK)
+ *mask |= META_VIRTUAL_MOD4_MASK;
+ if (gdk_mask & GDK_MOD5_MASK)
+ *mask |= META_VIRTUAL_MOD5_MASK;
+ if (gdk_mask & GDK_SUPER_MASK)
+ *mask |= META_VIRTUAL_SUPER_MASK;
+ if (gdk_mask & GDK_HYPER_MASK)
+ *mask |= META_VIRTUAL_HYPER_MASK;
+ if (gdk_mask & GDK_META_MASK)
+ *mask |= META_VIRTUAL_META_MASK;
+
+ return TRUE;
+}
+
+/* Caller responsible for freeing return string of meta_ui_accelerator_name! */
+gchar*
+meta_ui_accelerator_name (unsigned int keysym,
+ MetaVirtualModifier mask)
+{
+ GdkModifierType mods = 0;
+
+ if (keysym == 0 && mask == 0)
+ {
+ return g_strdup ("disabled");
+ }
+
+ if (mask & META_VIRTUAL_SHIFT_MASK)
+ mods |= GDK_SHIFT_MASK;
+ if (mask & META_VIRTUAL_CONTROL_MASK)
+ mods |= GDK_CONTROL_MASK;
+ if (mask & META_VIRTUAL_ALT_MASK)
+ mods |= GDK_MOD1_MASK;
+ if (mask & META_VIRTUAL_MOD2_MASK)
+ mods |= GDK_MOD2_MASK;
+ if (mask & META_VIRTUAL_MOD3_MASK)
+ mods |= GDK_MOD3_MASK;
+ if (mask & META_VIRTUAL_MOD4_MASK)
+ mods |= GDK_MOD4_MASK;
+ if (mask & META_VIRTUAL_MOD5_MASK)
+ mods |= GDK_MOD5_MASK;
+ if (mask & META_VIRTUAL_SUPER_MASK)
+ mods |= GDK_SUPER_MASK;
+ if (mask & META_VIRTUAL_HYPER_MASK)
+ mods |= GDK_HYPER_MASK;
+ if (mask & META_VIRTUAL_META_MASK)
+ mods |= GDK_META_MASK;
+
+ return gtk_accelerator_name (keysym, mods);
+
+}
+
+gboolean
+meta_ui_parse_modifier (const char *accel,
+ MetaVirtualModifier *mask)
+{
+ GdkModifierType gdk_mask = 0;
+ guint gdk_sym = 0;
+ guint gdk_code = 0;
+
+ *mask = 0;
+
+ if (accel == NULL || strcmp (accel, "disabled") == 0)
+ return TRUE;
+
+ meta_ui_accelerator_parse (accel, &gdk_sym, &gdk_code, &gdk_mask);
+ if (gdk_mask == 0 && gdk_sym == 0 && gdk_code == 0)
+ return FALSE;
+
+ if (gdk_sym != None || gdk_code != 0)
+ return FALSE;
+
+ if (gdk_mask & GDK_RELEASE_MASK) /* we don't allow this */
+ return FALSE;
+
+ if (gdk_mask & GDK_SHIFT_MASK)
+ *mask |= META_VIRTUAL_SHIFT_MASK;
+ if (gdk_mask & GDK_CONTROL_MASK)
+ *mask |= META_VIRTUAL_CONTROL_MASK;
+ if (gdk_mask & GDK_MOD1_MASK)
+ *mask |= META_VIRTUAL_ALT_MASK;
+ if (gdk_mask & GDK_MOD2_MASK)
+ *mask |= META_VIRTUAL_MOD2_MASK;
+ if (gdk_mask & GDK_MOD3_MASK)
+ *mask |= META_VIRTUAL_MOD3_MASK;
+ if (gdk_mask & GDK_MOD4_MASK)
+ *mask |= META_VIRTUAL_MOD4_MASK;
+ if (gdk_mask & GDK_MOD5_MASK)
+ *mask |= META_VIRTUAL_MOD5_MASK;
+ if (gdk_mask & GDK_SUPER_MASK)
+ *mask |= META_VIRTUAL_SUPER_MASK;
+ if (gdk_mask & GDK_HYPER_MASK)
+ *mask |= META_VIRTUAL_HYPER_MASK;
+ if (gdk_mask & GDK_META_MASK)
+ *mask |= META_VIRTUAL_META_MASK;
+
+ return TRUE;
+}
+
+gboolean
+meta_ui_window_is_widget (MetaUI *ui,
+ Window xwindow)
+{
+ GdkWindow *window;
+
+ window = gdk_xid_table_lookup (xwindow);
+
+ if (window)
+ {
+ void *user_data = NULL;
+ gdk_window_get_user_data (window, &user_data);
+ return user_data != NULL && user_data != ui->frames;
+ }
+ else
+ return FALSE;
+}
+
+/* stock icon code Copyright (C) 2002 Jorn Baayen <[email protected]> */
+
+typedef struct {
+ char* stock_id;
+ const guint8* icon_data;
+} MetaStockIcon;
+
+int meta_ui_get_drag_threshold(MetaUI* ui)
+{
+ int threshold = 8;
+ GtkSettings* settings = gtk_widget_get_settings(GTK_WIDGET(ui->frames));
+
+ g_object_get(G_OBJECT(settings), "gtk-dnd-drag-threshold", &threshold, NULL);
+
+ return threshold;
+}
+
+MetaUIDirection meta_ui_get_direction(void)
+{
+ if (gtk_widget_get_default_direction() == GTK_TEXT_DIR_RTL)
+ {
+ return META_UI_DIRECTION_RTL;
+ }
+
+ return META_UI_DIRECTION_LTR;
+}
+
+GdkPixbuf* meta_ui_get_pixbuf_from_pixmap(Pixmap pmap)
+{
+ GdkPixmap* gpmap;
+ GdkScreen* screen;
+ GdkPixbuf* pixbuf;
+ GdkColormap* cmap;
+ int width;
+ int height;
+ int depth;
+
+ gpmap = gdk_pixmap_foreign_new(pmap);
+ screen = gdk_drawable_get_screen(gpmap);
+
+ #if GTK_CHECK_VERSION(3, 0, 0)
+ width = gdk_window_get_width(GDK_WINDOW(gpmap));
+ height = gdk_window_get_height(GDK_WINDOW(gpmap));
+ #else
+ gdk_drawable_get_size(GDK_DRAWABLE(gpmap), &width, &height);
+ #endif
+
+ depth = gdk_drawable_get_depth(GDK_DRAWABLE(gpmap));
+
+ if (depth <= 24)
+ {
+ cmap = gdk_screen_get_system_colormap(screen);
+ }
+ else
+ {
+ cmap = gdk_screen_get_rgba_colormap(screen);
+ }
+
+ pixbuf = gdk_pixbuf_get_from_drawable(NULL, gpmap, cmap, 0, 0, 0, 0, width, height);
+
+ g_object_unref(gpmap);
+
+ return pixbuf;
+}