155 lines
3.2 KiB
C++
155 lines
3.2 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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#include "ui/boxshadow.h"
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class LayeredWidget : public TWidget {
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Q_OBJECT
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public:
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virtual void showStep(float64 ms) {
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}
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virtual void parentResized() = 0;
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virtual void startHide() {
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}
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virtual void setInnerFocus() {
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setFocus();
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}
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virtual void resizeEvent(QResizeEvent *e) {
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emit resized();
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}
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void mousePressEvent(QMouseEvent *e) {
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e->accept();
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}
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bool overlaps(const QRect &globalRect) {
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if (isHidden() || !testAttribute(Qt::WA_OpaquePaintEvent)) return false;
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return rect().contains(QRect(mapFromGlobal(globalRect.topLeft()), globalRect.size()));
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}
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signals:
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void closed();
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void resized();
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};
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class BackgroundWidget : public TWidget {
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Q_OBJECT
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public:
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BackgroundWidget(QWidget *parent, LayeredWidget *w);
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void showFast();
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void paintEvent(QPaintEvent *e);
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void keyPressEvent(QKeyEvent *e);
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void mousePressEvent(QMouseEvent *e);
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void resizeEvent(QResizeEvent *e);
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void updateAdaptiveLayout();
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void replaceInner(LayeredWidget *n);
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void showLayerLast(LayeredWidget *n);
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void step_background(float64 ms, bool timer);
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bool canSetFocus() const;
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void setInnerFocus();
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bool contentOverlapped(const QRect &globalRect);
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~BackgroundWidget();
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public slots:
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void onClose();
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bool onInnerClose();
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void boxDestroyed(QObject *obj);
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private:
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void startHide();
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LayeredWidget *w;
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typedef QList<LayeredWidget*> HiddenLayers;
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HiddenLayers _hidden;
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anim::fvalue a_bg;
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Animation _a_background;
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bool hiding;
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BoxShadow shadow;
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};
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class MediaPreviewWidget : public TWidget {
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Q_OBJECT
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public:
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MediaPreviewWidget(QWidget *parent);
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void paintEvent(QPaintEvent *e);
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void resizeEvent(QResizeEvent *e);
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void step_shown(float64 ms, bool timer);
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void showPreview(DocumentData *document);
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void showPreview(PhotoData *photo);
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void hidePreview();
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~MediaPreviewWidget();
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private:
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QSize currentDimensions() const;
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QPixmap currentImage() const;
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void startShow();
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void resetGifAndCache();
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anim::fvalue a_shown;
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Animation _a_shown;
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DocumentData *_document = nullptr;
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PhotoData *_photo = nullptr;
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ClipReader *_gif = nullptr;
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bool gif() const {
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return (!_gif || _gif == BadClipReader) ? false : true;
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}
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void clipCallback(ClipReaderNotification notification);
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enum CacheStatus {
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CacheNotLoaded,
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CacheThumbLoaded,
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CacheLoaded,
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};
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mutable CacheStatus _cacheStatus = CacheNotLoaded;
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mutable QPixmap _cache;
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mutable QSize _cachedSize;
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};
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