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WindowIconActor: inline namespace #2245

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merged 2 commits into from
Jan 25, 2025
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WindowIconActor: inline namespace #2245

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WindowIconActor: inline namespace
lenemter Jan 25, 2025
57f8ec2
Merge branch 'main' into lenemter/inline-windowiconactor
leolost2605 Jan 25, 2025
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285 changes: 136 additions & 149 deletions src/Widgets/WindowIconActor.vala
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Original file line number Diff line number Diff line change
@@ -1,177 +1,164 @@
//
// Copyright (C) 2014 Tom Beckmann
//
// 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 3 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, see <http://www.gnu.org/licenses/>.
//

namespace Gala {
/*
* SPDX-License-Identifier: GPL-3.0-or-later
* SPDX-FileCopyrightText: 2014 Tom Beckmann
* 2025 elementary, Inc. (https://elementary.io)
*/

/**
* Private class which is basically just a container for the actual
* icon and takes care of blending the same icon in different sizes
* over each other and various animations related to the icons
*/
public class Gala.WindowIconActor : Clutter.Actor {
public Meta.Window window { get; construct; }

private float cur_icon_scale = 1.0f;
private float desired_icon_scale = 1.0f;

private int _icon_size;
/**
* Private class which is basically just a container for the actual
* icon and takes care of blending the same icon in different sizes
* over each other and various animations related to the icons
* The icon size of the WindowIcon. Once set the new icon will be
* faded over the old one and the actor animates to the new size.
*/
public class WindowIconActor : Clutter.Actor {
public Meta.Window window { get; construct; }

private float cur_icon_scale = 1.0f;
private float desired_icon_scale = 1.0f;

private int _icon_size;
/**
* The icon size of the WindowIcon. Once set the new icon will be
* faded over the old one and the actor animates to the new size.
*/
public int icon_size {
get {
return _icon_size;
public int icon_size {
get {
return _icon_size;
}
private set {
if (value == _icon_size && cur_icon_scale == desired_icon_scale) {
return;
}
private set {
if (value == _icon_size && cur_icon_scale == desired_icon_scale) {
return;
}

_icon_size = value;
cur_icon_scale = desired_icon_scale;
_icon_size = value;
cur_icon_scale = desired_icon_scale;

var scaled_size = InternalUtils.scale_to_int (_icon_size, cur_icon_scale);
set_size (scaled_size, scaled_size);
var scaled_size = InternalUtils.scale_to_int (_icon_size, cur_icon_scale);
set_size (scaled_size, scaled_size);

fade_new_icon ();
}
fade_new_icon ();
}
}

private bool _temporary;
/**
* Mark the WindowIcon as temporary. Only effect of this is that a pulse
* animation will be played on the actor. Used while DnDing window thumbs
* over the group.
*/
public bool temporary {
get {
return _temporary;
}
set {
if (_temporary && !value) {
remove_transition ("pulse");
} else if (!_temporary && value && AnimationsSettings.get_enable_animations ()) {
var transition = new Clutter.TransitionGroup () {
duration = 800,
auto_reverse = true,
repeat_count = -1,
progress_mode = Clutter.AnimationMode.LINEAR
};

var opacity_transition = new Clutter.PropertyTransition ("opacity");
opacity_transition.set_from_value (100);
opacity_transition.set_to_value (255);
opacity_transition.auto_reverse = true;

var scale_x_transition = new Clutter.PropertyTransition ("scale-x");
scale_x_transition.set_from_value (0.8);
scale_x_transition.set_to_value (1.1);
scale_x_transition.auto_reverse = true;

var scale_y_transition = new Clutter.PropertyTransition ("scale-y");
scale_y_transition.set_from_value (0.8);
scale_y_transition.set_to_value (1.1);
scale_y_transition.auto_reverse = true;

transition.add_transition (opacity_transition);
transition.add_transition (scale_x_transition);
transition.add_transition (scale_y_transition);

add_transition ("pulse", transition);
}

_temporary = value;
private bool _temporary;
/**
* Mark the WindowIcon as temporary. Only effect of this is that a pulse
* animation will be played on the actor. Used while DnDing window thumbs
* over the group.
*/
public bool temporary {
get {
return _temporary;
}
set {
if (_temporary && !value) {
remove_transition ("pulse");
} else if (!_temporary && value && AnimationsSettings.get_enable_animations ()) {
var transition = new Clutter.TransitionGroup () {
duration = 800,
auto_reverse = true,
repeat_count = -1,
progress_mode = Clutter.AnimationMode.LINEAR
};

var opacity_transition = new Clutter.PropertyTransition ("opacity");
opacity_transition.set_from_value (100);
opacity_transition.set_to_value (255);
opacity_transition.auto_reverse = true;

var scale_x_transition = new Clutter.PropertyTransition ("scale-x");
scale_x_transition.set_from_value (0.8);
scale_x_transition.set_to_value (1.1);
scale_x_transition.auto_reverse = true;

var scale_y_transition = new Clutter.PropertyTransition ("scale-y");
scale_y_transition.set_from_value (0.8);
scale_y_transition.set_to_value (1.1);
scale_y_transition.auto_reverse = true;

transition.add_transition (opacity_transition);
transition.add_transition (scale_x_transition);
transition.add_transition (scale_y_transition);

add_transition ("pulse", transition);
}

_temporary = value;
}
}

private WindowIcon? icon = null;
private WindowIcon? old_icon = null;
private WindowIcon? icon = null;
private WindowIcon? old_icon = null;

public WindowIconActor (Meta.Window window) {
Object (window: window);
}
public WindowIconActor (Meta.Window window) {
Object (window: window);
}

construct {
set_pivot_point (0.5f, 0.5f);
construct {
set_pivot_point (0.5f, 0.5f);

window.notify["on-all-workspaces"].connect (on_all_workspaces_changed);
}
window.notify["on-all-workspaces"].connect (on_all_workspaces_changed);
}

~WindowIconActor () {
window.notify["on-all-workspaces"].disconnect (on_all_workspaces_changed);
}
~WindowIconActor () {
window.notify["on-all-workspaces"].disconnect (on_all_workspaces_changed);
}

private void on_all_workspaces_changed () {
// we don't display windows that are on all workspaces
if (window.on_all_workspaces)
destroy ();
}
private void on_all_workspaces_changed () {
// we don't display windows that are on all workspaces
if (window.on_all_workspaces)
destroy ();
}

/**
* Shortcut to set both position and size of the icon
*
* @param x The x coordinate to which to animate to
* @param y The y coordinate to which to animate to
* @param size The size to which to animate to and display the icon in
*/
public void place (float x, float y, int size, float scale) {
desired_icon_scale = scale;
set_position (x, y);
icon_size = size;
}
/**
* Shortcut to set both position and size of the icon
*
* @param x The x coordinate to which to animate to
* @param y The y coordinate to which to animate to
* @param size The size to which to animate to and display the icon in
*/
public void place (float x, float y, int size, float scale) {
desired_icon_scale = scale;
set_position (x, y);
icon_size = size;
}

/**
* Fades out the old icon and fades in the new icon
*/
private void fade_new_icon () {
var new_icon = new WindowIcon (window, icon_size, (int)Math.round (cur_icon_scale));
new_icon.add_constraint (new Clutter.BindConstraint (this, Clutter.BindCoordinate.SIZE, 0));
new_icon.opacity = 0;
/**
* Fades out the old icon and fades in the new icon
*/
private void fade_new_icon () {
var new_icon = new WindowIcon (window, icon_size, (int)Math.round (cur_icon_scale));
new_icon.add_constraint (new Clutter.BindConstraint (this, Clutter.BindCoordinate.SIZE, 0));
new_icon.opacity = 0;

add_child (new_icon);
add_child (new_icon);

new_icon.save_easing_state ();
new_icon.set_easing_mode (Clutter.AnimationMode.EASE_OUT_QUAD);
new_icon.set_easing_duration (AnimationsSettings.get_animation_duration (500));
new_icon.restore_easing_state ();
new_icon.save_easing_state ();
new_icon.set_easing_mode (Clutter.AnimationMode.EASE_OUT_QUAD);
new_icon.set_easing_duration (AnimationsSettings.get_animation_duration (500));
new_icon.restore_easing_state ();

if (icon == null) {
icon = new_icon;
} else {
old_icon = icon;
}
if (icon == null) {
icon = new_icon;
} else {
old_icon = icon;
}

new_icon.opacity = 255;

new_icon.opacity = 255;

if (old_icon != null) {
old_icon.opacity = 0;
var transition = old_icon.get_transition ("opacity");
if (transition != null) {
transition.completed.connect (() => {
old_icon.destroy ();
old_icon = null;
});
} else {
if (old_icon != null) {
old_icon.opacity = 0;
var transition = old_icon.get_transition ("opacity");
if (transition != null) {
transition.completed.connect (() => {
old_icon.destroy ();
old_icon = null;
}
});
} else {
old_icon.destroy ();
old_icon = null;
}

icon = new_icon;
}

icon = new_icon;
}
}
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