152 lines
3.6 KiB
C++
152 lines
3.6 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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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014 John Preston, https://desktop.telegram.org
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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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connect(w, SIGNAL(destroyed(QObject*)), this, SLOT(boxDestroyed(QObject*)));
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w->setFocus();
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}
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void BackgroundWidget::showFast() {
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animStep(st::layerSlideDuration + 1);
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update();
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}
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void BackgroundWidget::paintEvent(QPaintEvent *e) {
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if (!w) return;
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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(), st::boxShadowShift);
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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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onClose();
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}
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void BackgroundWidget::onClose() {
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startHide();
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}
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bool BackgroundWidget::onInnerClose() {
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if (!_hidden) {
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onClose();
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return true;
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}
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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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return false;
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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::updateWideMode() {
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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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connect(w, SIGNAL(destroyed(QObject*)), this, SLOT(boxDestroyed(QObject*)));
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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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App::wnd()->layerFinishedHide(this);
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}
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anim::stop(this);
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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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void BackgroundWidget::boxDestroyed(QObject *obj) {
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if (obj == w) {
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if (App::wnd()) App::wnd()->layerFinishedHide(this);
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w = 0;
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} else if (_hidden == obj) {
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_hidden = 0;
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}
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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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