Differential D18228 Diff 50368 plugins/windowsystem/windoweffects.cpp

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plugins/windowsystem/windoweffects.cpp

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		1		/*
		2		* Copyright 2019 Martin Flöser <mgraesslin@kde.org>
		3		*
		4		* This program is free software; you can redistribute it and/or
		5		* modify it under the terms of the GNU General Public License as
		6		* published by the Free Software Foundation; either version 2 of
		7		* the License or (at your option) version 3 or any later version
		8		* accepted by the membership of KDE e.V. (or its successor approved
		9		* by the membership of KDE e.V.), which shall act as a proxy
		10		* defined in Section 14 of version 3 of the license.
		11		*
		12		* This program is distributed in the hope that it will be useful,
		13		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		14		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		15		* GNU General Public License for more details.
		16		*
		17		* You should have received a copy of the GNU General Public License
		18		* along with this program. If not, see <http://www.gnu.org/licenses/>.
		19		*/
		20		#include "windoweffects.h"
		21		#include "effect_builtins.h"
		22		#include "../../effects.h"
		23
		24		#include <QGuiApplication>
		25		#include <QWidget>
		26		#include <QWindow>
		27
		28		Q_DECLARE_METATYPE(KWindowEffects::SlideFromLocation)
		29
		30		namespace KWin
		31		{
		32
		33		WindowEffects::WindowEffects()
		34		: QObject(),
		35		KWindowEffectsPrivate()
		36		{
		37		}
		38
		39		WindowEffects::~WindowEffects()
		40		{}
		41
		42		namespace
		43		{
		44		QWindow *findWindow(WId win)
		45		{
		46		const auto windows = qApp->allWindows();
		47		auto it = std::find_if(windows.begin(), windows.end(), [win] (QWindow *w) { return w->winId() == win; });
		48		if (it == windows.end()) {
		49		return nullptr;
		50		}
		51		return *it;
		52		}
		53		}
		54
		55		bool WindowEffects::isEffectAvailable(KWindowEffects::Effect effect)
		56		{
		57		if (!effects) {
		58		return false;
		59		}
		60		auto e = static_cast<EffectsHandlerImpl*>(effects);
		61		switch (effect) {
		62		case KWindowEffects::BackgroundContrast:
		63		return e->isEffectLoaded(BuiltInEffects::nameForEffect(BuiltInEffect::Contrast));
		64		case KWindowEffects::BlurBehind:
		65		return e->isEffectLoaded(BuiltInEffects::nameForEffect(BuiltInEffect::Blur));
		66		case KWindowEffects::Slide:
		67		return e->isEffectLoaded(BuiltInEffects::nameForEffect(BuiltInEffect::SlidingPopups));
		68		default:
		69		// plugin does not provide integration for other effects
		70		return false;
		71		}
		72		}
		73
		74		void WindowEffects::slideWindow(WId id, KWindowEffects::SlideFromLocation location, int offset)
		75		{
		76		auto w = findWindow(id);
		77		if (!w) {
		78		return;
		79		}
		80		w->setProperty("kwin_slide", QVariant::fromValue(location));
		81		w->setProperty("kwin_slide_offset", offset);
		82		}
		83
		84		void WindowEffects::slideWindow(QWidget *widget, KWindowEffects::SlideFromLocation location)
		85		{
		86		slideWindow(widget->winId(), location, 0);
		87		}
		88
		89		QList<QSize> WindowEffects::windowSizes(const QList<WId> &ids)
		90		{
		91		Q_UNUSED(ids)
		92		return {};
		93		}
		94
		95		void WindowEffects::presentWindows(WId controller, const QList<WId> &ids)
		96		{
		97		Q_UNUSED(controller)
		98		Q_UNUSED(ids)
		99		}
		100
		101		void WindowEffects::presentWindows(WId controller, int desktop)
		102		{
		103		Q_UNUSED(controller)
		104		Q_UNUSED(desktop)
		105		}
		106
		107		void WindowEffects::highlightWindows(WId controller, const QList<WId> &ids)
		108		{
		109		Q_UNUSED(controller)
		110		Q_UNUSED(ids)
		111		}
		112
		113		void WindowEffects::enableBlurBehind(WId window, bool enable, const QRegion &region)
		114		{
		115		auto w = findWindow(window);
		116		if (!w) {
		117		return;
		118		}
		119		if (enable) {
		120		w->setProperty("kwin_blur", region);
		121		} else {
		122		w->setProperty("kwin_blur", {});
		123		}
		124		}
		125
		126		void WindowEffects::enableBackgroundContrast(WId window, bool enable, qreal contrast, qreal intensity, qreal saturation, const QRegion &region)
		127		{
		128		auto w = findWindow(window);
		129		if (!w) {
		130		return;
		131		}
		132		if (enable) {
		133		w->setProperty("kwin_background_region", region);
		134		w->setProperty("kwin_background_contrast", contrast);
		135		w->setProperty("kwin_background_intensity", intensity);
		136		w->setProperty("kwin_background_saturation", saturation);
		137		} else {
		138		w->setProperty("kwin_background_region", {});
		139		w->setProperty("kwin_background_contrast", {});
		140		w->setProperty("kwin_background_intensity", {});
		141		w->setProperty("kwin_background_saturation", {});
		142		}
		143		}
		144
		145		void WindowEffects::markAsDashboard(WId window)
		146		{
		147		Q_UNUSED(window)
		148		}
		149
		150		}