initial commit for 0.4.18 version of Telegram Desktop

Telegram/SourceFiles/layerwidget.h

@@ -0,0 +1,134 @@
+/*
+This file is part of Telegram Desktop,
+an unofficial desktop messaging app, see https://telegram.org
+
+Telegram Desktop 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.
+
+It 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.
+
+Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
+Copyright (c) 2014 John Preston, https://tdesktop.com
+*/
+#pragma once
+
+#include "gui/boxshadow.h"
+
+class LayeredWidget : public QWidget {
+	Q_OBJECT
+
+public:
+
+	virtual void animStep(float64 ms) {
+	}
+	virtual void parentResized() = 0;
+	virtual void startHide() {
+	}
+
+	virtual void resizeEvent(QResizeEvent *e) {
+		emit resized();
+	}
+
+	virtual QRect boxRect() const {
+		QRect res(rect());
+		res.moveTopLeft(geometry().topLeft());
+		return res;
+	}
+
+signals:
+
+	void closed();
+	void resized();
+
+};
+
+class BackgroundWidget : public QWidget, public Animated {
+	Q_OBJECT
+
+public:
+
+	BackgroundWidget(QWidget *parent, LayeredWidget *w);
+
+	void paintEvent(QPaintEvent *e);
+	void keyPressEvent(QKeyEvent *e);
+	void mousePressEvent(QMouseEvent *e);
+	void resizeEvent(QResizeEvent *e);
+
+	void replaceInner(LayeredWidget *n);
+
+	bool animStep(float64 ms);
+
+	~BackgroundWidget();
+
+public slots:
+
+	void onClose();
+	void onInnerClose();
+
+private:
+
+	void startHide();
+
+	LayeredWidget *w, *_hidden;
+	anim::fvalue aBackground;
+	anim::transition aBackgroundFunc;
+	bool hiding;
+
+	BoxShadow shadow;
+};
+
+class LayerWidget : public QWidget, public Animated {
+	Q_OBJECT
+
+public:
+
+	LayerWidget(QWidget *parent, PhotoData *photo, HistoryItem *item);
+	LayerWidget(QWidget *parent, VideoData *video, HistoryItem *item);
+
+	PhotoData *photoShown();
+	
+	bool event(QEvent *e);
+	void touchEvent(QTouchEvent *e);
+	void paintEvent(QPaintEvent *e);
+	void keyPressEvent(QKeyEvent *e);
+	void mousePressEvent(QMouseEvent *e);
+	void resizeEvent(QResizeEvent *e);
+	void contextMenuEvent(QContextMenuEvent *e);
+
+	bool animStep(float64 ms);
+
+	~LayerWidget();
+
+public slots:
+
+	void onTouchTimer();
+
+	void saveContextImage();
+	void copyContextImage();
+	void startHide();
+
+	void deleteMessage();
+	void forwardMessage();
+
+	void onMenuDestroy(QObject *obj);
+
+private:
+
+	PhotoData *photo;
+	VideoData *video;
+	anim::fvalue aBackground, aOver;
+	anim::ivalue iX, iY, iW;
+	anim::transition iCoordFunc, aBackgroundFunc, aOverFunc;
+	bool hiding;
+
+	bool _touchPress, _touchMove, _touchRightButton;
+	QTimer _touchTimer;
+	QPoint _touchStart;
+
+	QMenu *_menu;
+};