204 lines
		
	
	
	
		
			7.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			204 lines
		
	
	
	
		
			7.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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namespace App {
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	const QPixmap &sprite();
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}
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namespace Fonts {
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	void start();
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}
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class Painter : public QPainter {
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public:
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	explicit Painter(QPaintDevice *device) : QPainter(device) {
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	}
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	void drawTextLeft(int x, int y, int outerw, const QString &text, int textWidth = -1) {
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		QFontMetrics m(fontMetrics());
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		if (rtl() && textWidth < 0) textWidth = m.width(text);
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		drawText(rtl() ? (outerw - x - textWidth) : x, y + m.ascent(), text);
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	}
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	void drawTextRight(int x, int y, int outerw, const QString &text, int textWidth = -1) {
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		QFontMetrics m(fontMetrics());
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		if (!rtl() && textWidth < 0) textWidth = m.width(text);
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		drawText(rtl() ? x : (outerw - x - textWidth), y + m.ascent(), text);
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	}
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	void drawPixmapLeft(int x, int y, int outerw, const QPixmap &pix, const QRect &from) {
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		drawPixmap(QPoint(rtl() ? (outerw - x - (from.width() / pix.devicePixelRatio())) : x, y), pix, from);
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	}
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	void drawPixmapLeft(const QPoint &p, int outerw, const QPixmap &pix, const QRect &from) {
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		return drawPixmapLeft(p.x(), p.y(), outerw, pix, from);
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	}
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	void drawPixmapLeft(int x, int y, int w, int h, int outerw, const QPixmap &pix, const QRect &from) {
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		drawPixmap(QRect(rtl() ? (outerw - x - w) : x, y, w, h), pix, from);
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	}
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	void drawPixmapLeft(const QRect &r, int outerw, const QPixmap &pix, const QRect &from) {
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		return drawPixmapLeft(r.x(), r.y(), r.width(), r.height(), outerw, pix, from);
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	}
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	void drawPixmapLeft(int x, int y, int outerw, const QPixmap &pix) {
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		drawPixmap(QPoint(rtl() ? (outerw - x - (pix.width() / pix.devicePixelRatio())) : x, y), pix);
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	}
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	void drawPixmapLeft(const QPoint &p, int outerw, const QPixmap &pix) {
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		return drawPixmapLeft(p.x(), p.y(), outerw, pix);
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	}
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	void drawPixmapRight(int x, int y, int outerw, const QPixmap &pix, const QRect &from) {
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		drawPixmap(QPoint(rtl() ? x : (outerw - x - (from.width() / pix.devicePixelRatio())), y), pix, from);
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	}
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	void drawPixmapRight(const QPoint &p, int outerw, const QPixmap &pix, const QRect &from) {
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		return drawPixmapRight(p.x(), p.y(), outerw, pix, from);
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	}
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	void drawPixmapRight(int x, int y, int w, int h, int outerw, const QPixmap &pix, const QRect &from) {
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		drawPixmap(QRect(rtl() ? x : (outerw - x - w), y, w, h), pix, from);
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	}
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	void drawPixmapRight(const QRect &r, int outerw, const QPixmap &pix, const QRect &from) {
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		return drawPixmapRight(r.x(), r.y(), r.width(), r.height(), outerw, pix, from);
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	}
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	void drawPixmapRight(int x, int y, int outerw, const QPixmap &pix) {
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		drawPixmap(QPoint(rtl() ? x : (outerw - x - (pix.width() / pix.devicePixelRatio())), y), pix);
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	}
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	void drawPixmapRight(const QPoint &p, int outerw, const QPixmap &pix) {
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		return drawPixmapRight(p.x(), p.y(), outerw, pix);
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	}
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	void drawSprite(int x, int y, const style::sprite &sprite) {
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		return drawPixmap(QPoint(x, y), App::sprite(), sprite);
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	}
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	void drawSprite(const QPoint &p, const style::sprite &sprite) {
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		return drawPixmap(p, App::sprite(), sprite);
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	}
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	void drawSpriteLeft(int x, int y, int outerw, const style::sprite &sprite) {
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		return drawPixmapLeft(x, y, outerw, App::sprite(), sprite);
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	}
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	void drawSpriteLeft(const QPoint &p, int outerw, const style::sprite &sprite) {
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		return drawPixmapLeft(p, outerw, App::sprite(), sprite);
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	}
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	void drawSpriteLeft(int x, int y, int w, int h, int outerw, const style::sprite &sprite) {
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		return drawPixmapLeft(x, y, w, h, outerw, App::sprite(), sprite);
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	}
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	void drawSpriteLeft(const QRect &r, int outerw, const style::sprite &sprite) {
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		return drawPixmapLeft(r, outerw, App::sprite(), sprite);
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	}
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	void drawSpriteRight(int x, int y, int outerw, const style::sprite &sprite) {
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		return drawPixmapRight(x, y, outerw, App::sprite(), sprite);
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	}
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	void drawSpriteRight(const QPoint &p, int outerw, const style::sprite &sprite) {
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		return drawPixmapRight(p, outerw, App::sprite(), sprite);
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	}
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	void drawSpriteRight(int x, int y, int w, int h, int outerw, const style::sprite &sprite) {
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		return drawPixmapRight(x, y, w, h, outerw, App::sprite(), sprite);
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	}
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	void drawSpriteRight(const QRect &r, int outerw, const style::sprite &sprite) {
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		return drawPixmapRight(r, outerw, App::sprite(), sprite);
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	}
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	void drawSpriteCenter(const QRect &in, const style::sprite &sprite) {
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		return drawPixmap(QPoint(in.x() + (in.width() - sprite.pxWidth()) / 2, in.y() + (in.height() - sprite.pxHeight()) / 2), App::sprite(), sprite);
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	}
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	void drawSpriteCenterLeft(const QRect &in, int outerw, const style::sprite &sprite) {
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		return drawPixmapLeft(QPoint(in.x() + (in.width() - sprite.pxWidth()) / 2, in.y() + (in.height() - sprite.pxHeight()) / 2), outerw, App::sprite(), sprite);
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	}
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	void drawSpriteCenterRight(const QRect &in, int outerw, const style::sprite &sprite) {
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		return drawPixmapRight(QPoint(in.x() + (in.width() - sprite.pxWidth()) / 2, in.y() + (in.height() - sprite.pxHeight()) / 2), outerw, App::sprite(), sprite);
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	}
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};
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#define T_WIDGET public: \
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TWidget *tparent() { \
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return qobject_cast<TWidget*>(parentWidget()); \
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} \
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const TWidget *tparent() const { \
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	return qobject_cast<const TWidget*>(parentWidget()); \
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} \
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virtual void leaveToChildEvent(QEvent *e) { /* e -- from enterEvent() of child TWidget */ \
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} \
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virtual void enterFromChildEvent(QEvent *e) { /* e -- from leaveEvent() of child TWidget */ \
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} \
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void moveToLeft(int x, int y, int outerw = 0) { \
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	move(rtl() ? ((outerw > 0 ? outerw : parentWidget()->width()) - x - width()) : x, y); \
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} \
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void moveToRight(int x, int y, int outerw = 0) { \
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	move(rtl() ? x : ((outerw > 0 ? outerw : parentWidget()->width()) - x - width()), y); \
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} \
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QPoint myrtlpoint(int x, int y) const { \
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	return rtlpoint(x, y, width()); \
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} \
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QPoint myrtlpoint(const QPoint p) const { \
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	return rtlpoint(p, width()); \
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} \
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QRect myrtlrect(int x, int y, int w, int h) const { \
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	return rtlrect(x, y, w, h, width()); \
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} \
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QRect myrtlrect(const QRect &r) { \
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	return rtlrect(r, width()); \
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} \
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void rtlupdate(const QRect &r) { \
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	update(myrtlrect(r)); \
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} \
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void rtlupdate(int x, int y, int w, int h) { \
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	update(myrtlrect(x, y, w, h)); \
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} \
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protected: \
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void enterEvent(QEvent *e) { \
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	TWidget *p(tparent()); \
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	if (p) p->leaveToChildEvent(e); \
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	return QWidget::enterEvent(e); \
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} \
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void leaveEvent(QEvent *e) { \
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	TWidget *p(tparent()); \
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	if (p) p->enterFromChildEvent(e); \
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	return QWidget::leaveEvent(e); \
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}
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class TWidget : public QWidget {
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	Q_OBJECT
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	T_WIDGET
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public:
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	TWidget(QWidget *parent = 0) : QWidget(parent) {
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	}
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	bool event(QEvent *e) {
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		return QWidget::event(e);
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	}
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	virtual void grabStart() {
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	}
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	virtual void grabFinish() {
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	}
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private:
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};
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void myEnsureResized(QWidget *target);
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QPixmap myGrab(TWidget *target, QRect rect = QRect());
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class PlainShadow : public TWidget {
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public:
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	PlainShadow(QWidget *parent, const style::color &color) : TWidget(parent), _color(color) {
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	}
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	void paintEvent(QPaintEvent *e) {
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		Painter(this).fillRect(e->rect(), _color->b);
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	}
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private:
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	const style::color &_color;
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};
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