452 lines
13 KiB
C++
452 lines
13 KiB
C++
/*
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This file is part of Telegram Desktop,
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an unofficial desktop 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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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014 John Preston, https://tdesktop.com
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*/
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#include "stdafx.h"
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#include "lang.h"
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#include "layerwidget.h"
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#include "application.h"
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#include "window.h"
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#include "mainwidget.h"
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#include "gui/filedialog.h"
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BackgroundWidget::BackgroundWidget(QWidget *parent, LayeredWidget *w) : QWidget(parent), w(w), _hidden(0),
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aBackground(0), aBackgroundFunc(anim::easeOutCirc), hiding(false), shadow(st::boxShadow) {
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w->setParent(this);
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setGeometry(0, 0, App::wnd()->width(), App::wnd()->height());
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aBackground.start(1);
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anim::start(this);
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show();
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connect(w, SIGNAL(closed()), this, SLOT(onInnerClose()));
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connect(w, SIGNAL(resized()), this, SLOT(update()));
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w->setFocus();
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}
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void BackgroundWidget::paintEvent(QPaintEvent *e) {
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bool trivial = (rect() == e->rect());
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QPainter p(this);
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if (!trivial) {
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p.setClipRect(e->rect());
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}
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p.setOpacity(st::layerAlpha * aBackground.current());
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p.fillRect(rect(), st::layerBG->b);
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p.setOpacity(aBackground.current());
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shadow.paint(p, w->boxRect());
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}
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void BackgroundWidget::keyPressEvent(QKeyEvent *e) {
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if (e->key() == Qt::Key_Escape) {
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startHide();
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}
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}
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void BackgroundWidget::mousePressEvent(QMouseEvent *e) {
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}
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void BackgroundWidget::onClose() {
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startHide();
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}
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void BackgroundWidget::onInnerClose() {
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if (_hidden) {
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w->deleteLater();
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w = _hidden;
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_hidden = 0;
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w->show();
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resizeEvent(0);
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w->animStep(1);
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update();
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} else {
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onClose();
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}
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}
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void BackgroundWidget::startHide() {
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if (App::main()) App::main()->setInnerFocus();
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hiding = true;
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aBackground.start(0);
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anim::start(this);
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w->startHide();
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}
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void BackgroundWidget::resizeEvent(QResizeEvent *e) {
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w->parentResized();
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}
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void BackgroundWidget::replaceInner(LayeredWidget *n) {
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if (_hidden) _hidden->deleteLater();
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_hidden = w;
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_hidden->hide();
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w = n;
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w->setParent(this);
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connect(w, SIGNAL(closed()), this, SLOT(onInnerClose()));
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connect(w, SIGNAL(resized()), this, SLOT(update()));
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w->show();
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resizeEvent(0);
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w->animStep(1);
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update();
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}
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bool BackgroundWidget::animStep(float64 ms) {
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float64 dt = ms / (hiding ? st::layerHideDuration : st::layerSlideDuration);
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w->animStep(dt);
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bool res = true;
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if (dt >= 1) {
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aBackground.finish();
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if (hiding) {
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QTimer::singleShot(0, App::wnd(), SLOT(layerHidden()));
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}
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res = false;
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} else {
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aBackground.update(dt, aBackgroundFunc);
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}
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update();
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return res;
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}
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BackgroundWidget::~BackgroundWidget() {
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if (App::wnd()) App::wnd()->noBox(this);
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w->deleteLater();
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if (_hidden) _hidden->deleteLater();
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}
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LayerWidget::LayerWidget(QWidget *parent, PhotoData *photo, HistoryItem *item) : QWidget(parent)
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, photo(photo)
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, video(0)
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, aBackground(0)
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, aOver(0)
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, iX(App::wnd()->width() / 2)
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, iY(App::wnd()->height() / 2)
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, iW(0)
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, iCoordFunc(anim::sineInOut)
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, aBackgroundFunc(anim::easeOutCirc)
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, aOverFunc(anim::linear)
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, hiding(false)
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, _touchPress(false)
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, _touchMove(false)
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, _touchRightButton(false)
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, _menu(0)
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{
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int32 x, y, w;
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if (App::wnd()->getPhotoCoords(photo, x, y, w)) {
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iX = anim::ivalue(x);
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iY = anim::ivalue(y);
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iW = anim::ivalue(w);
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}
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photo->full->load();
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setGeometry(0, 0, App::wnd()->width(), App::wnd()->height());
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aBackground.start(1);
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aOver.start(1);
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anim::start(this);
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show();
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setFocus();
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App::contextItem(item);
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setAttribute(Qt::WA_AcceptTouchEvents);
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_touchTimer.setSingleShot(true);
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connect(&_touchTimer, SIGNAL(timeout()), this, SLOT(onTouchTimer()));
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}
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LayerWidget::LayerWidget(QWidget *parent, VideoData *video, HistoryItem *item) : QWidget(parent)
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, photo(0)
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, video(video)
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, aBackground(0)
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, aOver(0)
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, iX(App::wnd()->width() / 2)
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, iY(App::wnd()->height() / 2)
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, iW(0)
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, iCoordFunc(anim::sineInOut)
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, aBackgroundFunc(anim::easeOutCirc)
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, aOverFunc(anim::linear)
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, hiding(false)
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, _touchPress(false)
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, _touchMove(false)
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, _touchRightButton(false)
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, _menu(0)
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{
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int32 x, y, w;
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if (App::wnd()->getVideoCoords(video, x, y, w)) {
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iX = anim::ivalue(x);
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iY = anim::ivalue(y);
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iW = anim::ivalue(w);
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}
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setGeometry(0, 0, App::wnd()->width(), App::wnd()->height());
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aBackground.start(1);
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aOver.start(1);
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anim::start(this);
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show();
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setFocus();
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App::contextItem(item);
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setAttribute(Qt::WA_AcceptTouchEvents);
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_touchTimer.setSingleShot(true);
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connect(&_touchTimer, SIGNAL(timeout()), this, SLOT(onTouchTimer()));
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}
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PhotoData *LayerWidget::photoShown() {
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return hiding ? 0 : photo;
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}
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void LayerWidget::onTouchTimer() {
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_touchRightButton = true;
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}
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bool LayerWidget::event(QEvent *e) {
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if (e->type() == QEvent::TouchBegin || e->type() == QEvent::TouchUpdate || e->type() == QEvent::TouchEnd || e->type() == QEvent::TouchCancel) {
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QTouchEvent *ev = static_cast<QTouchEvent*>(e);
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if (ev->device()->type() == QTouchDevice::TouchScreen) {
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touchEvent(ev);
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return true;
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}
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}
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return QWidget::event(e);
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}
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void LayerWidget::touchEvent(QTouchEvent *e) {
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switch (e->type()) {
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case QEvent::TouchBegin:
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if (_touchPress || e->touchPoints().isEmpty()) return;
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_touchTimer.start(QApplication::startDragTime());
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_touchPress = true;
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_touchMove = _touchRightButton = false;
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_touchStart = e->touchPoints().cbegin()->screenPos().toPoint();
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break;
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case QEvent::TouchUpdate:
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if (!_touchPress || e->touchPoints().isEmpty()) return;
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if (!_touchMove && (e->touchPoints().cbegin()->screenPos().toPoint() - _touchStart).manhattanLength() >= QApplication::startDragDistance()) {
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_touchMove = true;
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}
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break;
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case QEvent::TouchEnd:
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if (!_touchPress) return;
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if (!_touchMove && App::wnd()) {
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Qt::MouseButton btn(_touchRightButton ? Qt::RightButton : Qt::LeftButton);
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QPoint mapped(mapFromGlobal(_touchStart)), winMapped(App::wnd()->mapFromGlobal(_touchStart));
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QMouseEvent pressEvent(QEvent::MouseButtonPress, mapped, winMapped, _touchStart, btn, Qt::MouseButtons(btn), Qt::KeyboardModifiers());
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pressEvent.accept();
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mousePressEvent(&pressEvent);
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QMouseEvent releaseEvent(QEvent::MouseButtonRelease, mapped, winMapped, _touchStart, btn, Qt::MouseButtons(btn), Qt::KeyboardModifiers());
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mouseReleaseEvent(&releaseEvent);
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if (_touchRightButton) {
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QContextMenuEvent contextEvent(QContextMenuEvent::Mouse, mapped, _touchStart);
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contextMenuEvent(&contextEvent);
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}
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}
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_touchTimer.stop();
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_touchPress = _touchMove = _touchRightButton = false;
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break;
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case QEvent::TouchCancel:
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_touchPress = false;
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_touchTimer.stop();
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break;
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}
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}
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void LayerWidget::onMenuDestroy(QObject *obj) {
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if (_menu == obj) {
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_menu = 0;
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}
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}
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void LayerWidget::paintEvent(QPaintEvent *e) {
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bool trivial = (rect() == e->rect());
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QPainter p(this);
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if (!trivial) {
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p.setClipRect(e->rect());
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}
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p.setOpacity(st::layerAlpha * aBackground.current());
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p.fillRect(rect(), st::layerBG->b);
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if (iW.current()) {
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if (!hiding) p.setOpacity(aOver.current());
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if (animating()) {
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const QPixmap &pm((photo ? (photo->full->loaded() ? photo->full : photo->thumb) : video->thumb)->pix());
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int32 h = pm.width() ? (pm.height() * iW.current() / pm.width()) : 1;
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p.drawPixmap(iX.current(), iY.current(), iW.current(), h, pm);
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if (!hiding) {
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p.setOpacity(1);
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p.setClipRect(App::wnd()->photoRect(), Qt::IntersectClip);
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p.drawPixmap(iX.current(), iY.current(), iW.current(), h, pm);
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}
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} else {
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const QPixmap &pm((photo ? (photo->full->loaded() ? photo->full : photo->thumb) : video->thumb)->pixNoCache(iW.current(), 0, !animating()));
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p.drawPixmap(iX.current(), iY.current(), pm);
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}
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}
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}
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void LayerWidget::keyPressEvent(QKeyEvent *e) {
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if (!_menu && e->key() == Qt::Key_Escape) {
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startHide();
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} else if (photo && photo->full->loaded() && (e == QKeySequence::Save || e == QKeySequence::SaveAs)) {
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QString file;
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if (filedialogGetSaveFile(file, lang(lng_save_photo), qsl("JPEG Image (*.jpg);;All files (*.*)"), filedialogDefaultName(qsl("photo"), qsl(".jpg")))) {
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if (!file.isEmpty()) {
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photo->full->pix().toImage().save(file, "JPG");
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}
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}
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} else if (photo && photo->full->loaded() && (e->key() == Qt::Key_Copy || (e->key() == Qt::Key_C && e->modifiers().testFlag(Qt::ControlModifier)))) {
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QApplication::clipboard()->setPixmap(photo->full->pix());
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}
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}
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void LayerWidget::mousePressEvent(QMouseEvent *e) {
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if (_menu) return;
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if (e->button() == Qt::LeftButton) startHide();
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}
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void LayerWidget::contextMenuEvent(QContextMenuEvent *e) {
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if (photo && photo->full->loaded() && !hiding) {
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if (_menu) {
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_menu->deleteLater();
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_menu = 0;
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}
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_menu = new QMenu(this);
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_menu->addAction(lang(lng_context_save_image), this, SLOT(saveContextImage()))->setEnabled(true);
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_menu->addAction(lang(lng_context_copy_image), this, SLOT(copyContextImage()))->setEnabled(true);
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_menu->addAction(lang(lng_context_close_image), this, SLOT(startHide()))->setEnabled(true);
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if (App::contextItem()) {
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if (dynamic_cast<HistoryMessage*>(App::contextItem())) {
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_menu->addAction(lang(lng_context_forward_image), this, SLOT(forwardMessage()))->setEnabled(true);
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}
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_menu->addAction(lang(lng_context_delete_image), this, SLOT(deleteMessage()))->setEnabled(true);
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} else if ((App::self() && App::self()->photoId == photo->id) || (photo->chat && photo->chat->photoId == photo->id)) {
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_menu->addAction(lang(lng_context_delete_image), this, SLOT(deleteMessage()))->setEnabled(true);
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}
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_menu->setAttribute(Qt::WA_DeleteOnClose);
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_menu->setAttribute(Qt::WA_DeleteOnClose);
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connect(_menu, SIGNAL(destroyed(QObject*)), this, SLOT(onMenuDestroy(QObject*)));
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_menu->popup(e->globalPos());
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e->accept();
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}
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}
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void LayerWidget::deleteMessage() {
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if (!App::contextItem()) {
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if (App::self() && photo && App::self()->photoId == photo->id) {
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App::app()->peerClearPhoto(App::self()->id);
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} else if (photo->chat && photo->chat->photoId == photo->id) {
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App::app()->peerClearPhoto(photo->chat->id);
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}
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startHide();
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} else {
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App::wnd()->layerHidden();
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App::main()->deleteLayer();
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}
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}
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void LayerWidget::forwardMessage() {
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startHide();
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App::main()->forwardLayer();
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}
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void LayerWidget::saveContextImage() {
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if (!photo || !photo->full->loaded() || hiding) return;
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QString file;
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if (filedialogGetSaveFile(file, lang(lng_save_photo), qsl("JPEG Image (*.jpg);;All files (*.*)"), filedialogDefaultName(qsl("photo"), qsl(".jpg")))) {
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if (!file.isEmpty()) {
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photo->full->pix().toImage().save(file, "JPG");
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}
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}
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}
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void LayerWidget::copyContextImage() {
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if (!photo || !photo->full->loaded() || hiding) return;
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QApplication::clipboard()->setPixmap(photo->full->pix());
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}
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void LayerWidget::startHide() {
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hiding = true;
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aBackground.start(0);
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anim::start(this);
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}
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void LayerWidget::resizeEvent(QResizeEvent *e) {
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int32 w = width() - st::layerPadding.left() - st::layerPadding.right(), h = height() - st::layerPadding.top() - st::layerPadding.bottom();
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int32 iw = (photo ? photo->full : video->thumb)->width(), ih = (photo ? photo->full : video->thumb)->height();
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if (!iw || !ih) {
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iw = ih = 1;
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} else {
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switch (cScale()) {
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case dbisOneAndQuarter: iw = qRound(float64(iw) * 1.25 - 0.01); ih = qRound(float64(ih) * 1.25 - 0.01); break;
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case dbisOneAndHalf: iw = qRound(float64(iw) * 1.5 - 0.01); ih = qRound(float64(ih) * 1.5 - 0.01); break;
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case dbisTwo: iw *= 2; ih *= 2; break;
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}
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}
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if (w >= iw && h >= ih) {
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iW.start(iw);
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iX.start(st::layerPadding.left() + (w - iw) / 2);
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iY.start(st::layerPadding.top() + (h - ih) / 2);
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} else if (w * ih > iw * h) {
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int32 nw = qRound(iw * float64(h) / ih);
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iW.start(nw);
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iX.start(st::layerPadding.left() + (w - nw) / 2);
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iY.start(st::layerPadding.top());
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} else {
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int32 nh = qRound(ih * float64(w) / iw);
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iW.start(w);
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iX.start(st::layerPadding.left());
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iY.start(st::layerPadding.top() + (h - nh) / 2);
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}
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if (!animating() || hiding) {
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iX.finish();
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iY.finish();
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iW.finish();
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}
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}
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bool LayerWidget::animStep(float64 ms) {
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float64 dt = ms / (hiding ? st::layerHideDuration : st::layerSlideDuration);
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bool res = true;
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if (dt >= 1) {
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aBackground.finish();
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aOver.finish();
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iX.finish();
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iY.finish();
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iW.finish();
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if (hiding) {
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QTimer::singleShot(0, App::wnd(), SLOT(layerHidden()));
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}
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res = false;
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} else {
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aBackground.update(dt, aBackgroundFunc);
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if (!hiding) {
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aOver.update(dt, aOverFunc);
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iX.update(dt, iCoordFunc);
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iY.update(dt, iCoordFunc);
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iW.update(dt, iCoordFunc);
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}
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}
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update();
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return res;
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}
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LayerWidget::~LayerWidget() {
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if (App::wnd()) App::wnd()->noLayer(this);
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delete _menu;
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}
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