Differential D21042 Diff 57657 src/Platforms/PlatformXcb.h

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src/Platforms/PlatformXcb.h

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		1		/* This file is part of Spectacle, the KDE screenshot utility
		2		* Copyright (C) 2019 Boudhayan Gupta <bgupta@kde.org>
		3		*
		4		* This program is free software; you can redistribute it and/or modify
		5		* it under the terms of the GNU Lesser General Public License as published by
		6		* the Free Software Foundation; either version 2 of the License, or
		7		* (at your option) any later version.
		8		*
		9		* This program is distributed in the hope that it will be useful,
		10		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		11		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		12		* GNU General Public License for more details.
		13		*
		14		* You should have received a copy of the GNU Lesser General Public License
		15		* along with this program; if not, write to the Free Software
		16		* Foundation, Inc., 51 Franklin Street, Fifth Floor,
		17		* Boston, MA 02110-1301, USA.
		18		*
		19		* SPDX-License-Identifier: LGPL-2.0-or-later
		20		*/
		21
		22		#pragma once
		23
		24		#include "Platform.h"
		25
		26		#include <xcb/xcb.h>
		27		#include <xcb/xcb_image.h>
		28
		29		#include <QPixmap>
		30
		31		class PlatformXcb final: public Platform
		32		{
		33		Q_OBJECT
		34
		35		public:
		36
		37		explicit PlatformXcb(QObject *parent = nullptr);
		38		virtual ~PlatformXcb();
		39
		40		QString platformName() const override final;
		41		GrabModes supportedGrabModes() const override final;
		42		ShutterModes supportedShutterModes() const override final;
		43
		44		public Q_SLOTS:
		45
		46		void doGrab(ShutterMode theShutterMode, GrabMode theGrabMode, bool theIncludePointer, bool theIncludeDecorations) override final;
		47
		48		private Q_SLOTS:
		49
		50		void handleKWinScreenshotReply(quint64 theDrawable);
		51		void doGrabNow(const GrabMode &theGrabMode, bool theIncludePointer, bool theIncludeDecorations);
		52		void doGrabOnClick(const GrabMode &theGrabMode, bool theIncludePointer, bool theIncludeDecorations);
		53
		54		private:
		55
		56		inline void updateWindowTitle(xcb_window_t theWindow);
		57		bool isKWinAvailable();
		58		QPoint getCursorPosition();
		59		QRect getDrawableGeometry(xcb_drawable_t theDrawable);
		60		xcb_window_t getWindowUnderCursor();
		61		xcb_window_t getTransientWindowParent(xcb_window_t theChildWindow, QRect &theWindowRectOut, bool theIncludeDectorations);
		62		QPixmap convertFromNative(xcb_image_t *theXcbImage);
		63		QPixmap blendCursorImage(QPixmap &thePixmap, const QRect theRect);
		64		QPixmap postProcessPixmap(QPixmap &thePixmap, QRect theRect, bool theBlendPointer);
		65		QPixmap getPixmapFromDrawable(xcb_drawable_t theXcbDrawable, const QRect &theRect);
		66		QPixmap getToplevelPixmap(QRect theRect, bool theBlendPointer);
		67		QPixmap getWindowPixmap(xcb_window_t theWindow, bool theBlendPointer);
		68
		69		void grabAllScreens(bool theIncludePointer);
		70		void grabCurrentScreen(bool theIncludePointer);
		71		void grabApplicationWindow(xcb_window_t theWindow, bool theIncludePointer, bool theIncludeDecorations);
		72		void grabActiveWindow(bool theIncludePointer, bool theIncludeDecorations);
		73		void grabWindowUnderCursor(bool theIncludePointer, bool theIncludeDecorations);
		74		void grabTransientWithParent(bool theIncludePointer, bool theIncludeDecorations);
		75
		76		// on-click screenshot shutter support needs a native event filter in xcb
		77		class OnClickEventFilter;
		78		OnClickEventFilter *mNativeEventFilter;
		79		};