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cleanup: Replace signal connections with virtual functions

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Inheriting from actors allows to use virtual functions instead of signal
connections for multiple cases, so just use them when possible.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/559
This commit is contained in:
Marco Trevisan (Treviño)
2019-09-10 07:42:48 +02:00
committed by Florian Müllner
parent 320df13b65
commit 55b57421dc
30 changed files with 434 additions and 414 deletions
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85
js/ui/panel.js
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@ -430,9 +430,6 @@ class ActivitiesButton extends PanelMenu.Button {
this.label_actor = this._label;
this.connect('captured-event', this._onCapturedEvent.bind(this));
this.connect_after('key-release-event', this._onKeyRelease.bind(this));
Main.overview.connect('showing', () => {
this.add_style_pseudo_class('overview');
this.add_accessible_state (Atk.StateType.CHECKED);
@ -459,7 +456,7 @@ class ActivitiesButton extends PanelMenu.Button {
return DND.DragMotionResult.CONTINUE;
}
_onCapturedEvent(actor, event) {
vfunc_captured_event(event) {
if (event.type() == Clutter.EventType.BUTTON_PRESS ||
event.type() == Clutter.EventType.TOUCH_BEGIN) {
if (!Main.overview.shouldToggleByCornerOrButton())
@ -468,9 +465,7 @@ class ActivitiesButton extends PanelMenu.Button {
return Clutter.EVENT_PROPAGATE;
}
_onEvent(actor, event) {
super._onEvent(actor, event);
vfunc_event(event) {
if (event.type() == Clutter.EventType.TOUCH_END ||
event.type() == Clutter.EventType.BUTTON_RELEASE)
if (Main.overview.shouldToggleByCornerOrButton())
@ -479,13 +474,16 @@ class ActivitiesButton extends PanelMenu.Button {
return Clutter.EVENT_PROPAGATE;
}
_onKeyRelease(actor, event) {
let symbol = event.get_key_symbol();
if (symbol == Clutter.KEY_Return || symbol == Clutter.KEY_space) {
if (Main.overview.shouldToggleByCornerOrButton())
Main.overview.toggle();
vfunc_key_release_event(keyEvent) {
let ret = super.vfunc_key_release_event(keyEvent);
if (ret == Clutter.EVENT_PROPAGATE) {
let symbol = keyEvent.keyval;
if (symbol == Clutter.KEY_Return || symbol == Clutter.KEY_space) {
if (Main.overview.shouldToggleByCornerOrButton())
Main.overview.toggle();
}
}
return Clutter.EVENT_PROPAGATE;
return ret;
}
_xdndToggleOverview() {
@ -804,10 +802,6 @@ class Panel extends St.Widget {
this._rightCorner = new PanelCorner(St.Side.RIGHT);
this.add_child(this._rightCorner);
this.connect('button-press-event', this._onButtonPress.bind(this));
this.connect('touch-event', this._onButtonPress.bind(this));
this.connect('key-press-event', this._onKeyPress.bind(this));
Main.overview.connect('showing', () => {
this.add_style_pseudo_class('overview');
});
@ -912,45 +906,48 @@ class Panel extends St.Widget {
this._rightCorner.allocate(childBox, flags);
}
_onButtonPress(actor, event) {
_tryDragWindow(event) {
if (Main.modalCount > 0)
return Clutter.EVENT_PROPAGATE;
if (event.get_source() != actor)
if (event.source != this)
return Clutter.EVENT_PROPAGATE;
let type = event.type();
let isPress = type == Clutter.EventType.BUTTON_PRESS;
if (!isPress && type != Clutter.EventType.TOUCH_BEGIN)
return Clutter.EVENT_PROPAGATE;
let button = isPress ? event.get_button() : -1;
if (isPress && button != 1)
return Clutter.EVENT_PROPAGATE;
let [stageX, stageY] = event.get_coords();
let dragWindow = this._getDraggableWindowForPosition(stageX);
let { x, y } = event;
let dragWindow = this._getDraggableWindowForPosition(x);
if (!dragWindow)
return Clutter.EVENT_PROPAGATE;
global.display.begin_grab_op(dragWindow,
Meta.GrabOp.MOVING,
false, /* pointer grab */
true, /* frame action */
button,
event.get_state(),
event.get_time(),
stageX, stageY);
return Clutter.EVENT_STOP;
return global.display.begin_grab_op(
dragWindow,
Meta.GrabOp.MOVING,
false, /* pointer grab */
true, /* frame action */
event.button || -1,
event.modifier_state,
event.time,
x, y) ? Clutter.EVENT_STOP : Clutter.EVENT_PROPAGATE;
}
_onKeyPress(actor, event) {
let symbol = event.get_key_symbol();
vfunc_button_press_event(buttonEvent) {
if (buttonEvent.button != 1)
return Clutter.EVENT_PROPAGATE;
return this._tryDragWindow(buttonEvent);
}
vfunc_touch_event(touchEvent) {
if (touchEvent.type != Clutter.EventType.TOUCH_BEGIN)
return Clutter.EVENT_PROPAGATE;
return this._tryDragWindow(touchEvent);
}
vfunc_key_press_event(keyEvent) {
let symbol = keyEvent.keyval;
if (symbol == Clutter.KEY_Escape) {
global.display.focus_default_window(event.get_time());
global.display.focus_default_window(keyEvent.time);
return Clutter.EVENT_STOP;
}