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windowManager: Implement keybinding_filter hook

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We are currently using a hack to allow a select set of keybindings
in the overview. Implement the new MetaPlugin keybinding_filter
hook, which provides a cleaner way to achieve the same.

https://bugzilla.gnome.org/show_bug.cgi?id=688202
This commit is contained in:
Florian Müllner
2012-08-20 10:38:13 +02:00
parent 490206b5b2
commit 034408971d
5 changed files with 67 additions and 84 deletions
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82
js/ui/main.js
View File

@@ -167,8 +167,6 @@ function start() {
_startDate = new Date();
global.stage.connect('captured-event', _globalKeyPressHandler);
log('GNOME Shell started at ' + _startDate);
let perfModuleName = GLib.getenv("SHELL_PERF_MODULE");
@@ -465,86 +463,6 @@ function getWindowActorsForWorkspace(workspaceIndex) {
});
}
// This function encapsulates hacks to make certain global keybindings
// work even when we are in one of our modes where global keybindings
// are disabled with a global grab. (When there is a global grab, then
// all key events will be delivered to the stage, so ::captured-event
// on the stage can be used for global keybindings.)
function _globalKeyPressHandler(actor, event) {
if (modalCount == 0)
return false;
if (event.type() != Clutter.EventType.KEY_PRESS && event.type() != Clutter.EventType.KEY_RELEASE)
return false;
if (!sessionMode.allowKeybindingsWhenModal) {
if (modalCount > (overview.visible ? 1 : 0))
return false;
}
let symbol = event.get_key_symbol();
let keyCode = event.get_key_code();
let ignoredModifiers = global.display.get_ignored_modifier_mask();
let modifierState = event.get_state() & ~ignoredModifiers;
// This relies on the fact that Clutter.ModifierType is the same as Gdk.ModifierType
let action = global.display.get_keybinding_action(keyCode, modifierState);
if (event.type() == Clutter.EventType.KEY_PRESS) {
if (action == Meta.KeyBindingAction.SWITCH_PANELS) {
ctrlAltTabManager.popup(modifierState & Clutter.ModifierType.SHIFT_MASK,
modifierState);
return true;
}
switch (action) {
// left/right would effectively act as synonyms for up/down if we enabled them;
// but that could be considered confusing; we also disable them in the main view.
//
// case Meta.KeyBindingAction.WORKSPACE_LEFT:
// if (!sessionMode.hasWorkspaces)
// return false;
//
// wm.actionMoveWorkspaceLeft();
// return true;
// case Meta.KeyBindingAction.WORKSPACE_RIGHT:
// if (!sessionMode.hasWorkspaces)
// return false;
//
// wm.actionMoveWorkspaceRight();
// return true;
case Meta.KeyBindingAction.WORKSPACE_UP:
if (!sessionMode.hasWorkspaces)
return false;
wm.actionMoveWorkspace(Meta.MotionDirection.UP);
return true;
case Meta.KeyBindingAction.WORKSPACE_DOWN:
if (!sessionMode.hasWorkspaces)
return false;
wm.actionMoveWorkspace(Meta.MotionDirection.DOWN);
return true;
case Meta.KeyBindingAction.PANEL_RUN_DIALOG:
case Meta.KeyBindingAction.COMMAND_2:
if (!sessionMode.hasRunDialog)
return false;
openRunDialog();
return true;
case Meta.KeyBindingAction.PANEL_MAIN_MENU:
overview.hide();
return true;
}
} else if (event.type() == Clutter.EventType.KEY_RELEASE) {
if (action == Meta.KeyBindingAction.OVERLAY_KEY) {
overview.hide();
return true;
}
}
return false;
}
function _findModal(actor) {
for (let i = 0; i < modalActorFocusStack.length; i++) {
if (modalActorFocusStack[i].actor == actor)

31
js/ui/windowManager.js
View File

@@ -99,6 +99,7 @@ const WindowManager = new Lang.Class({
this._shellwm.connect('unmaximize', Lang.bind(this, this._unmaximizeWindow));
this._shellwm.connect('map', Lang.bind(this, this._mapWindow));
this._shellwm.connect('destroy', Lang.bind(this, this._destroyWindow));
this._shellwm.connect('filter-keybinding', Lang.bind(this, this._filterKeybinding));
this._workspaceSwitcherPopup = null;
Meta.keybindings_set_custom_handler('switch-to-workspace-left',
@@ -424,6 +425,36 @@ const WindowManager = new Lang.Class({
}
},
_filterKeybinding: function(shellwm, binding) {
if (!Main.sessionMode.allowKeybindingsWhenModal) {
if (Main.modalCount > (Main.overview.visible ? 1 : 0))
return true;
}
let action = Meta.prefs_get_keybinding_action(binding.get_name());
switch (action) {
// left/right would effectively act as synonyms for up/down if we enabled them;
// but that could be considered confusing; we also disable them in the main view.
//
// case Meta.KeyBindingAction.WORKSPACE_LEFT:
// case Meta.KeyBindingAction.WORKSPACE_RIGHT:
case Meta.KeyBindingAction.WORKSPACE_UP:
case Meta.KeyBindingAction.WORKSPACE_DOWN:
return !Main.sessionMode.hasWorkspaces;
case Meta.KeyBindingAction.PANEL_RUN_DIALOG:
case Meta.KeyBindingAction.COMMAND_2:
case Meta.KeyBindingAction.PANEL_MAIN_MENU:
case Meta.KeyBindingAction.OVERLAY_KEY:
case Meta.KeyBindingAction.SWITCH_PANELS:
return false;
}
if (Main.modalCount == 0 && binding.is_builtin())
return false;
return true;
},
_switchWorkspace : function(shellwm, from, to, direction) {
if (!this._shouldAnimate()) {
shellwm.completed_switch_workspace();