84f704448a
ScrollArea now always generates MouseMove when scrolled. Fixed crash in BotKeyboard resizing with style change. Fixed stickers box animations.
346 lines
11 KiB
C++
346 lines
11 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.rect());
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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.rect());
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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.rect());
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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.rect());
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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.rect());
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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.rect());
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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.rect());
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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.rect());
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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.rect());
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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.rect());
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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.rect());
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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.rect());
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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.rect());
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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) override { \
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TWidget *p(tparent()); \
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if (p) p->leaveToChildEvent(e); \
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return enterEventHook(e); \
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} \
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void leaveEvent(QEvent *e) override { \
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TWidget *p(tparent()); \
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if (p) p->enterFromChildEvent(e); \
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return leaveEventHook(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 = nullptr) : QWidget(parent) {
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}
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bool event(QEvent *e) override {
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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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bool inFocusChain() const;
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void hideChildren() {
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for (auto child : children()) {
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if (auto widget = qobject_cast<QWidget*>(child)) {
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widget->hide();
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}
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}
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}
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void showChildren() {
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for (auto child : children()) {
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if (auto widget = qobject_cast<QWidget*>(child)) {
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widget->show();
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}
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}
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}
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protected:
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void enterEventHook(QEvent *e) {
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return QWidget::enterEvent(e);
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}
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void leaveEventHook(QEvent *e) {
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return QWidget::leaveEvent(e);
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}
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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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protected:
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void paintEvent(QPaintEvent *e) override {
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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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class ToggleableShadow : public TWidget {
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public:
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ToggleableShadow(QWidget *parent, const style::color &color) : TWidget(parent), _color(color) {
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}
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enum class Mode {
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Shown,
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ShownFast,
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Hidden,
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HiddenFast
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};
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void setMode(Mode mode);
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bool isFullyShown() const {
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return _shown && _a_opacity.isNull();
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}
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protected:
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void paintEvent(QPaintEvent *e) override;
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private:
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void repaintCallback() {
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update();
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}
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const style::color &_color;
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FloatAnimation _a_opacity;
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bool _shown = true;
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};
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class SingleDelayedCall : public QObject {
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Q_OBJECT
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public:
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SingleDelayedCall(QObject *parent, const char *member) : QObject(parent), _pending(false), _member(member) {
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}
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void call() {
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if (!_pending) {
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_pending = true;
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QMetaObject::invokeMethod(this, "makeDelayedCall", Qt::QueuedConnection);
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}
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}
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private slots:
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void makeDelayedCall() {
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_pending = false;
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QMetaObject::invokeMethod(parent(), _member);
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}
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private:
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bool _pending;
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const char *_member;
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};
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// A simple wrap around T* to explicitly state ownership
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template <typename T>
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class ChildWidget {
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public:
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ChildWidget(std::nullptr_t) : _widget(nullptr) {
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}
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// No default constructor, but constructors with at least
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// one argument are simply make functions.
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template <typename Parent, typename... Args>
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ChildWidget(Parent &&parent, Args&&... args) : _widget(new T(std_::forward<Parent>(parent), std_::forward<Args>(args)...)) {
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}
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ChildWidget(const ChildWidget<T> &other) = delete;
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ChildWidget<T> &operator=(const ChildWidget<T> &other) = delete;
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ChildWidget<T> &operator=(std::nullptr_t) {
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_widget = nullptr;
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return *this;
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}
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ChildWidget<T> &operator=(T *widget) {
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_widget = widget;
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return *this;
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}
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T *operator->() const {
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return _widget;
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}
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T &operator*() const {
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return *_widget;
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}
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// So we can pass this pointer to methods like connect().
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operator T*() const {
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return _widget;
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}
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void destroy() {
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if (_widget) {
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delete _widget;
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_widget = nullptr;
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}
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}
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void destroyDelayed() {
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if (_widget) {
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_widget->hide();
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_widget->deleteLater();
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_widget = nullptr;
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}
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}
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private:
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T *_widget;
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};
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void sendSynteticMouseEvent(QWidget *widget, QEvent::Type type, Qt::MouseButton button, const QPoint &globalPoint);
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inline void sendSynteticMouseEvent(QWidget *widget, QEvent::Type type, Qt::MouseButton button) {
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return sendSynteticMouseEvent(widget, type, button, QCursor::pos());
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}
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