plugins/windowsystem/windowshadow.cpp

0001 /*
0002     SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
0003
0004     SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
0005 */
0006
0007 #include "windowshadow.h"
0008
0009 #include <QVariant>
0010
0011 Q_DECLARE_METATYPE(QMargins)
0012
0013 namespace KWin
0014 {
0015
0016 bool WindowShadowTile::create()
0017 {
0018     return true;
0019 }
0020
0021 void WindowShadowTile::destroy()
0022 {
0023 }
0024
0025 bool WindowShadow::create()
0026 {
0027     // TODO: Perhaps we set way too many properties here. Alternatively we could put all shadow tiles
0028     // in one big image and attach it rather than 8 separate images.
0029     if (leftTile) {
0030         window->setProperty("kwin_shadow_left_tile", QVariant::fromValue(leftTile->image()));
0031     }
0032     if (topLeftTile) {
0033         window->setProperty("kwin_shadow_top_left_tile", QVariant::fromValue(topLeftTile->image()));
0034     }
0035     if (topTile) {
0036         window->setProperty("kwin_shadow_top_tile", QVariant::fromValue(topTile->image()));
0037     }
0038     if (topRightTile) {
0039         window->setProperty("kwin_shadow_top_right_tile", QVariant::fromValue(topRightTile->image()));
0040     }
0041     if (rightTile) {
0042         window->setProperty("kwin_shadow_right_tile", QVariant::fromValue(rightTile->image()));
0043     }
0044     if (bottomRightTile) {
0045         window->setProperty("kwin_shadow_bottom_right_tile", QVariant::fromValue(bottomRightTile->image()));
0046     }
0047     if (bottomTile) {
0048         window->setProperty("kwin_shadow_bottom_tile", QVariant::fromValue(bottomTile->image()));
0049     }
0050     if (bottomLeftTile) {
0051         window->setProperty("kwin_shadow_bottom_left_tile", QVariant::fromValue(bottomLeftTile->image()));
0052     }
0053     window->setProperty("kwin_shadow_padding", QVariant::fromValue(padding));
0054
0055     // Notice that the enabled property must be set last.
0056     window->setProperty("kwin_shadow_enabled", QVariant::fromValue(true));
0057
0058     return true;
0059 }
0060
0061 void WindowShadow::destroy()
0062 {
0063     // Attempting to uninstall the shadow after the decorated window has been destroyed. It's doomed.
0064     if (!window) {
0065         return;
0066     }
0067
0068     // Remove relevant shadow properties.
0069     window->setProperty("kwin_shadow_left_tile", {});
0070     window->setProperty("kwin_shadow_top_left_tile", {});
0071     window->setProperty("kwin_shadow_top_tile", {});
0072     window->setProperty("kwin_shadow_top_right_tile", {});
0073     window->setProperty("kwin_shadow_right_tile", {});
0074     window->setProperty("kwin_shadow_bottom_right_tile", {});
0075     window->setProperty("kwin_shadow_bottom_tile", {});
0076     window->setProperty("kwin_shadow_bottom_left_tile", {});
0077     window->setProperty("kwin_shadow_padding", {});
0078     window->setProperty("kwin_shadow_enabled", {});
0079 }
0080
0081 } // namespace KWin