/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ /* Mutter interface for talking to GTK+ UI module */ /* * Copyright (C) 2002 Havoc Pennington * stock icon code Copyright (C) 2002 Jorn Baayen * * 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 #include "prefs.h" #include "ui.h" #include "frames.h" #include "util.h" #include "menu.h" #include "core.h" #include "theme.h" #include "inlinepixbufs.h" #include "gdk-compat.h" #include #include static void meta_stock_icons_init (void); static void meta_ui_accelerator_parse (const char *accel, guint *keysym, guint *keycode, GdkModifierType *keymask); struct _MetaUI { Display *xdisplay; Screen *xscreen; MetaFrames *frames; }; 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)); meta_stock_icons_init (); } Display* meta_ui_get_display (void) { return gdk_display; } 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)) 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) { MetaUI *ui; ui = g_new (MetaUI, 1); ui->xdisplay = xdisplay; ui->xscreen = screen; g_assert (xdisplay == gdk_display); ui->frames = meta_frames_new (XScreenNumberOfScreen (screen)); gtk_widget_realize (GTK_WIDGET (ui->frames)); return ui; } void meta_ui_free (MetaUI *ui) { gtk_widget_destroy (GTK_WIDGET (ui->frames)); 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, gulong *create_serial) { 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; /* We make an assumption that gdk_window_new() is going to call * XCreateWindow as it's first operation; this seems to be true currently * as long as you pass in a colormap. */ if (create_serial) *create_serial = XNextRequest (xdisplay); 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 (gtk_widget_get_window (iw->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); } } void meta_image_window_set (MetaImageWindow *iw, GdkPixbuf *pixbuf, int x, int y) { GdkWindow *window; 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. */ cr = gdk_cairo_create (iw->pixmap); gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0); cairo_paint (cr); cairo_destroy (cr); window = gtk_widget_get_window (iw->window); gdk_window_set_back_pixmap (window, iw->pixmap, FALSE); gdk_window_move_resize (window, x, y, gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf)); gdk_window_clear (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_visual_get_depth (gdk_colormap_get_visual (cmap)) != 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 (!accel[0] || 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 || !accel[0] || 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 */ typedef struct { char *stock_id; const guint8 *icon_data; } MetaStockIcon; static void meta_stock_icons_init (void) { GtkIconFactory *factory; int i; MetaStockIcon items[] = { { METACITY_STOCK_DELETE, stock_delete_data }, { METACITY_STOCK_MINIMIZE, stock_minimize_data }, { METACITY_STOCK_MAXIMIZE, stock_maximize_data } }; factory = gtk_icon_factory_new (); gtk_icon_factory_add_default (factory); for (i = 0; i < (gint) G_N_ELEMENTS (items); i++) { GtkIconSet *icon_set; GdkPixbuf *pixbuf; pixbuf = gdk_pixbuf_new_from_inline (-1, items[i].icon_data, FALSE, NULL); icon_set = gtk_icon_set_new_from_pixbuf (pixbuf); gtk_icon_factory_add (factory, items[i].stock_id, icon_set); gtk_icon_set_unref (icon_set); g_object_unref (G_OBJECT (pixbuf)); } g_object_unref (G_OBJECT (factory)); } int meta_ui_get_drag_threshold (MetaUI *ui) { GtkSettings *settings; int threshold; settings = gtk_widget_get_settings (GTK_WIDGET (ui->frames)); threshold = 8; 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, height, depth; gpmap = gdk_pixmap_foreign_new (pmap); screen = gdk_drawable_get_screen (gpmap); gdk_drawable_get_size (GDK_DRAWABLE (gpmap), &width, &height); 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; }