moving from https://github.com/perberos/mate-desktop-environment

1 files changed, 779 insertions, 0 deletions

diff --git a/src/core/core.c b/src/core/core.c
new file mode 100644
index 00000000..963cbfa7
--- /dev/null
+++ b/src/core/core.c
@@ -0,0 +1,779 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/* Marco interface used by GTK+ UI to talk to core */
+
+/* 
+ * Copyright (C) 2001 Havoc Pennington
+ * Copyright (C) 2003 Rob Adams
+ * Copyright (C) 2004-2006 Elijah Newren
+ * 
+ * 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 <config.h>
+#include "core.h"
+#include "frame-private.h"
+#include "workspace.h"
+#include "prefs.h"
+
+/* Looks up the MetaWindow representing the frame of the given X window.
+ * Used as a helper function by a bunch of the functions below.
+ *
+ * FIXME: The functions that use this function throw the result away
+ * after use. Many of these functions tend to be called in small groups,
+ * which results in get_window() getting called several times in succession
+ * with the same parameters. We should profile to see whether this wastes
+ * much time, and if it does we should look into a generalised
+ * meta_core_get_window_info() which takes a bunch of pointers to variables
+ * to put its results in, and only fills in the non-null ones.
+ */
+static MetaWindow *
+get_window (Display *xdisplay,
+            Window   frame_xwindow)
+{
+  MetaDisplay *display;
+  MetaWindow *window;
+  
+  display = meta_display_for_x_display (xdisplay);
+  window = meta_display_lookup_x_window (display, frame_xwindow);
+
+  if (window == NULL || window->frame == NULL)
+    {
+      meta_bug ("No such frame window 0x%lx!\n", frame_xwindow);
+      return NULL;
+    }
+
+  return window;
+}
+
+void
+meta_core_get (Display *xdisplay,
+    Window xwindow,
+    ...)
+{
+  va_list args;
+  MetaCoreGetType request;
+
+  MetaDisplay *display = meta_display_for_x_display (xdisplay);
+  MetaWindow *window = meta_display_lookup_x_window (display, xwindow);
+
+  va_start (args, xwindow);
+
+  request = va_arg (args, MetaCoreGetType);
+
+  /* Now, we special-case the first request slightly. Mostly, requests
+   * for information on windows which have no frame are errors.
+   * But sometimes we may want to know *whether* a window has a frame.
+   * In this case, pass the key META_CORE_WINDOW_HAS_FRAME
+   * as the *first* request, with a pointer to a boolean; if the window
+   * has no frame, this will be set to False and meta_core_get will
+   * exit immediately (so the values of any other requests will be
+   * undefined). Otherwise it will be set to True and meta_core_get will
+   * continue happily on its way.
+   */
+
+  if (request != META_CORE_WINDOW_HAS_FRAME &&
+      (window == NULL || window->frame == NULL)) {
+    meta_bug ("No such frame window 0x%lx!\n", xwindow);
+    return;
+  }
+
+  while (request != META_CORE_GET_END) {
+    
+    gpointer answer = va_arg (args, gpointer);
+
+    switch (request) {
+      case META_CORE_WINDOW_HAS_FRAME:
+        *((gboolean*)answer) = window != NULL && window->frame != NULL;
+        if (!*((gboolean*)answer)) return; /* see above */
+        break; 
+      case META_CORE_GET_CLIENT_WIDTH:
+        *((gint*)answer) = window->rect.width;
+        break;
+      case META_CORE_GET_CLIENT_HEIGHT:
+        *((gint*)answer) = window->rect.height;
+        break;
+      case META_CORE_IS_TITLEBAR_ONSCREEN:
+        *((gboolean*)answer) = meta_window_titlebar_is_onscreen (window);
+        break;
+      case META_CORE_GET_CLIENT_XWINDOW:
+        *((Window*)answer) = window->xwindow;
+        break;
+      case META_CORE_GET_FRAME_FLAGS:
+        *((MetaFrameFlags*)answer) = meta_frame_get_flags (window->frame);
+        break; 
+      case META_CORE_GET_FRAME_TYPE:
+          {
+          MetaFrameType base_type = META_FRAME_TYPE_LAST;
+
+          switch (window->type)
+            {
+            case META_WINDOW_NORMAL:
+              base_type = META_FRAME_TYPE_NORMAL;
+              break;
+
+            case META_WINDOW_DIALOG:
+              base_type = META_FRAME_TYPE_DIALOG;
+              break;
+
+            case META_WINDOW_MODAL_DIALOG:
+              base_type = META_FRAME_TYPE_MODAL_DIALOG;
+              break;
+
+            case META_WINDOW_MENU:
+              base_type = META_FRAME_TYPE_MENU;
+              break;
+
+            case META_WINDOW_UTILITY:
+              base_type = META_FRAME_TYPE_UTILITY;
+              break;
+
+            case META_WINDOW_DESKTOP:
+            case META_WINDOW_DOCK:
+            case META_WINDOW_TOOLBAR:
+            case META_WINDOW_SPLASHSCREEN:
+              /* No frame */
+              base_type = META_FRAME_TYPE_LAST;
+              break;
+
+            }
+
+          if (base_type == META_FRAME_TYPE_LAST)
+            {
+              /* can't add border if undecorated */
+              *((MetaFrameType*)answer) = META_FRAME_TYPE_LAST; 
+            }
+          else if (window->border_only)
+            {
+              /* override base frame type */
+              *((MetaFrameType*)answer) = META_FRAME_TYPE_BORDER; 
+            }
+          else
+            {
+              *((MetaFrameType*)answer) = base_type;
+            }
+
+          break; 
+          }
+      case META_CORE_GET_MINI_ICON:
+        *((GdkPixbuf**)answer) = window->mini_icon;
+        break;
+      case META_CORE_GET_ICON:
+        *((GdkPixbuf**)answer) = window->icon;
+        break;
+      case META_CORE_GET_X:
+        meta_window_get_position (window, (int*)answer, NULL);
+        break;
+      case META_CORE_GET_Y:
+        meta_window_get_position (window, NULL, (int*)answer);
+        break;
+      case META_CORE_GET_FRAME_WORKSPACE:
+        *((gint*)answer) = meta_window_get_net_wm_desktop (window);
+        break;
+      case META_CORE_GET_FRAME_X:
+        *((gint*)answer) = window->frame->rect.x;
+        break;
+      case META_CORE_GET_FRAME_Y:
+        *((gint*)answer) = window->frame->rect.y;
+        break;
+      case META_CORE_GET_FRAME_WIDTH:
+        *((gint*)answer) = window->frame->rect.width;
+        break;
+      case META_CORE_GET_FRAME_HEIGHT:
+        *((gint*)answer) = window->frame->rect.height;
+        break;
+      case META_CORE_GET_SCREEN_WIDTH:
+        *((gint*)answer) = window->screen->rect.width;
+        break;
+      case META_CORE_GET_SCREEN_HEIGHT:
+        *((gint*)answer) = window->screen->rect.height;
+        break;
+
+      default:
+        meta_warning(_("Unknown window information request: %d"), request);
+    }
+
+    request = va_arg (args, MetaCoreGetType);
+  } 
+
+  va_end (args);
+}
+
+void
+meta_core_queue_frame_resize (Display *xdisplay,
+                              Window   frame_xwindow)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+
+  meta_window_queue (window, META_QUEUE_MOVE_RESIZE);
+}
+
+void
+meta_core_user_move (Display *xdisplay,
+                     Window   frame_xwindow,
+                     int      x,
+                     int      y)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+
+  meta_window_move (window, TRUE, x, y);
+}
+
+void
+meta_core_user_resize  (Display *xdisplay,
+                        Window   frame_xwindow,
+                        int      gravity,
+                        int      width,
+                        int      height)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+
+  meta_window_resize_with_gravity (window, TRUE, width, height, gravity);
+}
+
+void
+meta_core_user_raise (Display *xdisplay,
+                      Window   frame_xwindow)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+  
+  meta_window_raise (window);
+}
+
+void
+meta_core_user_lower_and_unfocus (Display *xdisplay,
+                                  Window   frame_xwindow,
+                                  guint32  timestamp)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+  
+  meta_window_lower (window);
+
+  if (meta_prefs_get_focus_mode () == META_FOCUS_MODE_CLICK &&
+      meta_prefs_get_raise_on_click ())
+    {
+      /* Move window to the back of the focusing workspace's MRU list.
+       * Do extra sanity checks to avoid possible race conditions.
+       * (Borrowed from window.c.)
+       */
+      if (window->screen->active_workspace &&
+          meta_window_located_on_workspace (window, 
+                                            window->screen->active_workspace))
+        {
+          GList* link;
+          link = g_list_find (window->screen->active_workspace->mru_list, 
+                              window);
+          g_assert (link);
+
+          window->screen->active_workspace->mru_list = 
+            g_list_remove_link (window->screen->active_workspace->mru_list,
+                                link);
+          g_list_free (link);
+
+          window->screen->active_workspace->mru_list = 
+            g_list_append (window->screen->active_workspace->mru_list, 
+                           window);
+        }
+    }
+
+  /* focus the default window, if needed */
+  if (window->has_focus)
+    meta_workspace_focus_default_window (window->screen->active_workspace,
+                                         NULL,
+                                         timestamp);
+}
+
+void
+meta_core_user_focus (Display *xdisplay,
+                      Window   frame_xwindow,
+                      guint32  timestamp)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+  
+  meta_window_focus (window, timestamp);
+}
+
+void
+meta_core_minimize (Display *xdisplay,
+                    Window   frame_xwindow)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+
+  meta_window_minimize (window);
+}
+
+void
+meta_core_maximize (Display *xdisplay,
+                    Window   frame_xwindow)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+
+  if (meta_prefs_get_raise_on_click ())
+    meta_window_raise (window);
+
+  meta_window_maximize (window, 
+                        META_MAXIMIZE_HORIZONTAL | META_MAXIMIZE_VERTICAL);
+}
+
+void
+meta_core_toggle_maximize_vertically (Display *xdisplay,
+				      Window   frame_xwindow)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+
+  if (meta_prefs_get_raise_on_click ())
+    meta_window_raise (window);
+
+  if (META_WINDOW_MAXIMIZED_VERTICALLY (window))
+    meta_window_unmaximize (window, 
+                            META_MAXIMIZE_VERTICAL);
+  else
+    meta_window_maximize (window,
+    			    META_MAXIMIZE_VERTICAL);
+}
+
+void
+meta_core_toggle_maximize_horizontally (Display *xdisplay,
+				        Window   frame_xwindow)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+
+  if (meta_prefs_get_raise_on_click ())
+    meta_window_raise (window);
+
+  if (META_WINDOW_MAXIMIZED_HORIZONTALLY (window))
+    meta_window_unmaximize (window, 
+                            META_MAXIMIZE_HORIZONTAL);
+  else
+    meta_window_maximize (window,
+    			    META_MAXIMIZE_HORIZONTAL);
+}
+
+void
+meta_core_toggle_maximize (Display *xdisplay,
+                           Window   frame_xwindow)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+
+  if (meta_prefs_get_raise_on_click ())
+    meta_window_raise (window);
+
+  if (META_WINDOW_MAXIMIZED (window))
+    meta_window_unmaximize (window, 
+                            META_MAXIMIZE_HORIZONTAL | META_MAXIMIZE_VERTICAL);
+  else
+    meta_window_maximize (window,
+                          META_MAXIMIZE_HORIZONTAL | META_MAXIMIZE_VERTICAL);
+}
+
+void
+meta_core_unmaximize (Display *xdisplay,
+                      Window   frame_xwindow)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+
+  if (meta_prefs_get_raise_on_click ())
+    meta_window_raise (window);
+
+  meta_window_unmaximize (window,
+                          META_MAXIMIZE_HORIZONTAL | META_MAXIMIZE_VERTICAL);
+}
+
+void
+meta_core_delete (Display *xdisplay,
+                  Window   frame_xwindow,
+                  guint32  timestamp)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+     
+  meta_window_delete (window, timestamp);
+}
+
+void
+meta_core_unshade (Display *xdisplay,
+                   Window   frame_xwindow,
+                   guint32  timestamp)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+
+  meta_window_unshade (window, timestamp);
+}
+
+void
+meta_core_shade (Display *xdisplay,
+                 Window   frame_xwindow,
+                 guint32  timestamp)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+  
+  meta_window_shade (window, timestamp);
+}
+
+void
+meta_core_unstick (Display *xdisplay,
+                   Window   frame_xwindow)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+
+  meta_window_unstick (window);
+}
+
+void
+meta_core_make_above (Display *xdisplay,
+                      Window   frame_xwindow)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+
+  meta_window_make_above (window);
+}
+
+void
+meta_core_unmake_above (Display *xdisplay,
+                        Window   frame_xwindow)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+
+  meta_window_unmake_above (window);
+}
+
+void
+meta_core_stick (Display *xdisplay,
+                 Window   frame_xwindow)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+
+  meta_window_stick (window);
+}
+
+void
+meta_core_change_workspace (Display *xdisplay,
+                            Window   frame_xwindow,
+                            int      new_workspace)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+
+  meta_window_change_workspace (window,
+                                meta_screen_get_workspace_by_index (window->screen,
+                                                                    new_workspace));
+}
+
+int
+meta_core_get_num_workspaces (Screen  *xscreen)
+{
+  MetaScreen *screen;
+
+  screen = meta_screen_for_x_screen (xscreen);
+
+  return meta_screen_get_n_workspaces (screen);
+}
+
+int
+meta_core_get_active_workspace (Screen *xscreen)
+{
+  MetaScreen *screen;
+
+  screen = meta_screen_for_x_screen (xscreen);
+
+  return meta_workspace_index (screen->active_workspace);
+}
+
+void
+meta_core_show_window_menu (Display *xdisplay,
+                            Window   frame_xwindow,
+                            int      root_x,
+                            int      root_y,
+                            int      button,
+                            guint32  timestamp)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+  
+  if (meta_prefs_get_raise_on_click ())
+    meta_window_raise (window);
+  meta_window_focus (window, timestamp);
+
+  meta_window_show_menu (window, root_x, root_y, button, timestamp);
+}
+
+void
+meta_core_get_menu_accelerator (MetaMenuOp           menu_op,
+                                int                  workspace,
+                                unsigned int        *keysym,
+                                MetaVirtualModifier *modifiers)
+{
+  const char *name;
+
+  name = NULL;
+  
+  switch (menu_op)
+    {
+    case META_MENU_OP_NONE:
+      /* No keybinding for this one */
+      break;
+    case META_MENU_OP_DELETE:
+      name = "close";
+      break;
+    case META_MENU_OP_MINIMIZE:
+      name = "minimize";
+      break;
+    case META_MENU_OP_UNMAXIMIZE:
+      name = "unmaximize";
+      break;
+    case META_MENU_OP_MAXIMIZE:
+      name = "maximize";
+      break;
+    case META_MENU_OP_UNSHADE:
+    case META_MENU_OP_SHADE:
+      name = "toggle_shaded";
+      break;
+    case META_MENU_OP_UNSTICK:
+    case META_MENU_OP_STICK:
+      name = "toggle_on_all_workspaces";
+      break;
+    case META_MENU_OP_ABOVE:
+    case META_MENU_OP_UNABOVE:
+      name = "toggle_above";
+      break;
+    case META_MENU_OP_WORKSPACES:
+      switch (workspace)
+        {
+        case 1:
+          name = "move_to_workspace_1";
+          break;
+        case 2:
+          name = "move_to_workspace_2";
+          break;
+        case 3:
+          name = "move_to_workspace_3";
+          break; 
+        case 4:
+          name = "move_to_workspace_4";
+          break; 
+        case 5:
+          name = "move_to_workspace_5";
+          break; 
+        case 6:
+          name = "move_to_workspace_6";
+          break; 
+        case 7:
+          name = "move_to_workspace_7";
+          break; 
+        case 8:
+          name = "move_to_workspace_8";
+          break; 
+        case 9:
+          name = "move_to_workspace_9";
+          break; 
+        case 10:
+          name = "move_to_workspace_10";
+          break;
+        case 11:
+          name = "move_to_workspace_11";
+          break;
+        case 12:
+          name = "move_to_workspace_12";
+          break;
+        }
+      break;
+    case META_MENU_OP_MOVE:
+      name = "begin_move";
+      break;
+    case META_MENU_OP_RESIZE:
+      name = "begin_resize";
+      break;
+    case META_MENU_OP_MOVE_LEFT:
+      name = "move_to_workspace_left";
+      break;
+    case META_MENU_OP_MOVE_RIGHT:
+      name = "move_to_workspace_right";
+      break;
+    case META_MENU_OP_MOVE_UP:
+      name = "move_to_workspace_up";
+      break;
+    case META_MENU_OP_MOVE_DOWN:
+      name = "move_to_workspace_down";
+      break;
+    case META_MENU_OP_RECOVER:
+      /* No keybinding for this one */
+      break;
+    }
+
+  if (name)
+    {
+      meta_prefs_get_window_binding (name, keysym, modifiers);
+    }
+  else
+    {
+      *keysym = 0;
+      *modifiers = 0;
+    }
+}
+
+const char*
+meta_core_get_workspace_name_with_index (Display *xdisplay,
+                                         Window   xroot,
+                                         int      index)
+{
+  MetaDisplay *display;
+  MetaScreen *screen;
+  MetaWorkspace *workspace;
+
+  display = meta_display_for_x_display (xdisplay);
+  screen = meta_display_screen_for_root (display, xroot);
+  g_assert (screen != NULL);
+  workspace = meta_screen_get_workspace_by_index (screen, index);
+  return workspace ? meta_workspace_get_name (workspace) : NULL;
+}
+
+gboolean
+meta_core_begin_grab_op (Display    *xdisplay,
+                         Window      frame_xwindow,
+                         MetaGrabOp  op,
+                         gboolean    pointer_already_grabbed,
+                         gboolean    frame_action,
+                         int         button,
+                         gulong      modmask,
+                         guint32     timestamp,
+                         int         root_x,
+                         int         root_y)
+{
+  MetaWindow *window = get_window (xdisplay, frame_xwindow);
+  MetaDisplay *display;
+  MetaScreen *screen;
+  
+  display = meta_display_for_x_display (xdisplay);
+  screen = meta_display_screen_for_xwindow (display, frame_xwindow);
+
+  g_assert (screen != NULL);
+  
+  return meta_display_begin_grab_op (display, screen, window,
+                                     op, pointer_already_grabbed,
+                                     frame_action,
+                                     button, modmask,
+                                     timestamp, root_x, root_y);
+}
+
+void
+meta_core_end_grab_op (Display *xdisplay,
+                       guint32  timestamp)
+{
+  MetaDisplay *display;
+  
+  display = meta_display_for_x_display (xdisplay);
+
+  meta_display_end_grab_op (display, timestamp);
+}
+
+MetaGrabOp
+meta_core_get_grab_op (Display *xdisplay)
+{
+  MetaDisplay *display;
+  
+  display = meta_display_for_x_display (xdisplay);
+
+  return display->grab_op;
+}
+
+Window
+meta_core_get_grab_frame (Display *xdisplay)
+{
+  MetaDisplay *display;
+  
+  display = meta_display_for_x_display (xdisplay);
+
+  g_assert (display != NULL);
+  g_assert (display->grab_op == META_GRAB_OP_NONE || 
+            display->grab_screen != NULL);
+  g_assert (display->grab_op == META_GRAB_OP_NONE ||
+            display->grab_screen->display->xdisplay == xdisplay);
+  
+  if (display->grab_op != META_GRAB_OP_NONE &&
+      display->grab_window &&
+      display->grab_window->frame)
+    return display->grab_window->frame->xwindow;
+  else
+    return None;
+}
+
+int
+meta_core_get_grab_button (Display  *xdisplay)
+{
+  MetaDisplay *display;
+  
+  display = meta_display_for_x_display (xdisplay);
+
+  if (display->grab_op == META_GRAB_OP_NONE)
+    return -1;
+  
+  return display->grab_button;
+}
+
+void
+meta_core_grab_buttons  (Display *xdisplay,
+                         Window   frame_xwindow)
+{
+  MetaDisplay *display;
+    
+  display = meta_display_for_x_display (xdisplay);
+
+  meta_verbose ("Grabbing buttons on frame 0x%lx\n", frame_xwindow);
+  meta_display_grab_window_buttons (display, frame_xwindow);
+}
+
+void
+meta_core_set_screen_cursor (Display *xdisplay,
+                             Window   frame_on_screen,
+                             MetaCursor cursor)
+{
+  MetaWindow *window = get_window (xdisplay, frame_on_screen);
+
+  meta_frame_set_screen_cursor (window->frame, cursor);
+}
+
+void
+meta_core_increment_event_serial (Display *xdisplay)
+{
+  MetaDisplay *display;
+  
+  display = meta_display_for_x_display (xdisplay);
+
+  meta_display_increment_event_serial (display);
+}
+
+void
+meta_invalidate_default_icons (void)
+{
+  MetaDisplay *display = meta_get_display ();
+  GSList *windows;
+  GSList *l;
+
+  if (display == NULL)
+    return; /* We can validly be called before the display is opened. */
+
+  windows = meta_display_list_windows (display);
+  for (l = windows; l != NULL; l = l->next)
+    {
+      MetaWindow *window = (MetaWindow*)l->data;
+
+      if (window->icon_cache.origin == USING_FALLBACK_ICON)
+        {
+          meta_icon_cache_free (&(window->icon_cache));
+          meta_window_update_icon_now (window);
+        }
+    }
+
+  g_slist_free (windows);
+}
+