Add setting to raise windows on alt+tab popup

src/core/keybindings.c

@@ -2128,12 +2128,16 @@ process_tab_grab (MetaDisplay *display,
     return TRUE;
 
   key = meta_ui_tab_popup_get_selected (screen->tab_popup);
-  prev_window  = meta_display_lookup_x_window (display, (Window) key);
+  prev_window = meta_display_lookup_x_window (display, (Window) key);
   action = display_get_keybinding_action (display,
                                           keysym,
                                           event->xkey.keycode,
                                           display->grab_mask);
 
+  gboolean raise_windows;
+  raise_windows = meta_prefs_get_alt_tab_raise_windows ();
+  gboolean escaped_alt_tab = FALSE;
+
   /* Cancel when alt-Escape is pressed during using alt-Tab, and vice
    * versa.
    */
@@ -2153,6 +2157,15 @@ process_tab_grab (MetaDisplay *display,
         case META_GRAB_OP_KEYBOARD_ESCAPING_DOCK:
          /* carry on */
           break;
+        case META_GRAB_OP_KEYBOARD_TABBING_NORMAL:
+          // handle escape pressed when using raise_windows with alt+tab
+          // in order to restore selected window in stack
+          if (raise_windows)
+            {
+              escaped_alt_tab = TRUE;
+              break;
+            }
+          return FALSE;
         default:
           return FALSE;
         }
@@ -2223,7 +2236,7 @@ process_tab_grab (MetaDisplay *display,
     case META_KEYBINDING_ACTION_CYCLE_WINDOWS:
     case META_KEYBINDING_ACTION_CYCLE_GROUP:
       popup_not_showing = TRUE;
-      key_used = TRUE;
+      key_used = !escaped_alt_tab;
       break;
     case META_KEYBINDING_ACTION_CYCLE_PANELS_BACKWARD:
     case META_KEYBINDING_ACTION_CYCLE_WINDOWS_BACKWARD:
@@ -2288,7 +2301,7 @@ process_tab_grab (MetaDisplay *display,
       else if (direction == UP)
         meta_ui_tab_popup_up (screen->tab_popup);
 
-      if (popup_not_showing)
+      if (popup_not_showing || raise_windows)
         {
           /* We can't actually change window focus, due to the grab.
            * but raise the window.

src/core/prefs.c

@@ -56,6 +56,7 @@
 #define KEY_GENERAL_CENTER_NEW_WINDOWS "center-new-windows"
 #define KEY_GENERAL_ICON_SIZE "icon-size"
 #define KEY_GENERAL_ALT_TAB_MAX_COLUMNS "alt-tab-max-columns"
+#define KEY_GENERAL_ALT_TAB_RAISE_WINDOWS "alt-tab-raise-windows"
 #define KEY_GENERAL_ALT_TAB_EXPAND_TO_FIT_TITLE "alt-tab-expand-to-fit-title"
 
 #define KEY_COMMAND_SCHEMA "org.mate.Marco.keybinding-commands"
@@ -121,6 +122,7 @@ static char *cursor_theme = NULL;
 static int   cursor_size = 24;
 static int   icon_size   = META_DEFAULT_ICON_SIZE;
 static int   alt_tab_max_columns = META_DEFAULT_ALT_TAB_MAX_COLUMNS;
+static gboolean alt_tab_raise_windows = META_DEFAULT_ALT_TAB_RAISE_WINDOWS;
 static gboolean alt_tab_expand_to_fit_title = META_DEFAULT_ALT_TAB_EXPAND_TO_FIT_TITLE;
 static gboolean use_force_compositor_manager = FALSE;
 static gboolean force_compositor_manager = FALSE;
@@ -458,6 +460,12 @@ static MetaBoolPreference preferences_bool[] =
       &alt_tab_expand_to_fit_title,
       META_DEFAULT_ALT_TAB_EXPAND_TO_FIT_TITLE,
     },
+    { "alt-tab-raise-windows",
+      KEY_GENERAL_SCHEMA,
+      META_PREF_ALT_TAB_RAISE_WINDOWS,
+      &alt_tab_raise_windows,
+      META_DEFAULT_ALT_TAB_RAISE_WINDOWS,
+    },
     { NULL, NULL, 0, NULL, FALSE },
   };
 
@@ -1161,6 +1169,12 @@ meta_prefs_get_alt_tab_expand_to_fit_title (void)
   return alt_tab_expand_to_fit_title;
 }
 
+gboolean
+meta_prefs_get_alt_tab_raise_windows (void)
+{
+  return alt_tab_raise_windows;
+}
+
 gboolean
 meta_prefs_is_in_skip_list (char *class)
 {
@@ -1682,6 +1696,9 @@ meta_preference_to_string (MetaPreference pref)
     case META_PREF_ALT_TAB_EXPAND_TO_FIT_TITLE:
       return "ALT_TAB_EXPAND_TO_FIT_TITLE";
 
+    case META_PREF_ALT_TAB_RAISE_WINDOWS:
+      return "ALT_TAB_RAISE_WINDOWS";
+
     case META_PREF_COMPOSITING_MANAGER:
       return "COMPOSITING_MANAGER";
 

src/include/common.h

@@ -351,6 +351,7 @@ typedef enum
 #define META_MIN_ALT_TAB_MAX_COLUMNS 1
 #define META_MAX_ALT_TAB_MAX_COLUMNS 64
 
+#define META_DEFAULT_ALT_TAB_RAISE_WINDOWS FALSE
 #define META_DEFAULT_ALT_TAB_EXPAND_TO_FIT_TITLE FALSE
 
 #endif

src/include/prefs.h

@@ -62,6 +62,7 @@ typedef enum
   META_PREF_CURSOR_SIZE,
   META_PREF_ICON_SIZE,
   META_PREF_ALT_TAB_MAX_COLUMNS,
+  META_PREF_ALT_TAB_RAISE_WINDOWS,
   META_PREF_ALT_TAB_EXPAND_TO_FIT_TITLE,
   META_PREF_COMPOSITING_MANAGER,
   META_PREF_COMPOSITING_FAST_ALT_TAB,
@@ -137,6 +138,7 @@ int         meta_prefs_get_cursor_size       (void);
 int         meta_prefs_get_icon_size         (void);
 int         meta_prefs_get_alt_tab_max_columns (void);
 gboolean    meta_prefs_get_alt_tab_expand_to_fit_title (void);
+gboolean    meta_prefs_get_alt_tab_raise_windows (void);
 gboolean    meta_prefs_get_compositing_manager (void);
 gboolean    meta_prefs_get_compositing_fast_alt_tab (void);
 gboolean    meta_prefs_get_center_new_windows  (void);

src/org.mate.marco.gschema.xml

@@ -218,6 +218,11 @@
         <summary>Expand the alt-tab popup window to fit longer window titles</summary>
         <description>The popup window may be expanded up to the width determined by the config parameter 'alt-tab-max-columns'.</description>
     </key>
+    <key name="alt-tab-raise-windows" type="b">
+        <default>false</default>
+        <summary>Raise windows to surface while cycling alt-tab popup</summary>
+        <description>While using the popup window, selected windows will be raised to make them easy to identify.</description>
+    </key>
   </schema>
 
   <schema id="org.mate.Marco.workspace-names" path="/org/mate/marco/workspace-names/">