200 lines
4.7 KiB
C++
200 lines
4.7 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "ui/rp_widget.h"
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#include "chat_helpers/bot_command.h"
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#include "dialogs/dialogs_key.h"
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#include "media/player/media_player_float.h" // FloatSectionDelegate
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#include "base/object_ptr.h"
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#include "window/window_section_common.h"
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namespace Main {
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class Session;
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} // namespace Main
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namespace Ui {
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class LayerWidget;
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} // namespace Ui
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namespace Window {
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class SessionController;
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class SlideAnimation;
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struct SectionShow;
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enum class SlideDirection;
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enum class Column {
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First,
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Second,
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Third,
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};
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class AbstractSectionWidget
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: public Ui::RpWidget
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, public Media::Player::FloatSectionDelegate
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, protected base::Subscriber {
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public:
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AbstractSectionWidget(
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QWidget *parent,
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not_null<SessionController*> controller)
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: RpWidget(parent)
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, _controller(controller) {
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}
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[[nodiscard]] Main::Session &session() const;
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[[nodiscard]] not_null<SessionController*> controller() const {
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return _controller;
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}
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// Tabbed selector management.
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virtual bool pushTabbedSelectorToThirdSection(
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not_null<PeerData*> peer,
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const SectionShow ¶ms) {
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return false;
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}
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virtual bool returnTabbedSelector() {
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return false;
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}
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private:
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const not_null<SessionController*> _controller;
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};
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class SectionMemento;
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struct SectionSlideParams {
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QPixmap oldContentCache;
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bool withTopBarShadow = false;
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bool withTabs = false;
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bool withFade = false;
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explicit operator bool() const {
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return !oldContentCache.isNull();
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}
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};
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class SectionWidget : public AbstractSectionWidget {
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public:
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SectionWidget(
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QWidget *parent,
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not_null<SessionController*> controller);
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virtual Dialogs::RowDescriptor activeChat() const {
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return {};
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}
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// When resizing the widget with top edge moved up or down and we
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// want to add this top movement to the scroll position, so inner
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// content will not move.
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void setGeometryWithTopMoved(const QRect &newGeometry, int topDelta);
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virtual bool hasTopBarShadow() const {
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return false;
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}
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virtual bool forceAnimateBack() const {
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return false;
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}
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void showAnimated(
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SlideDirection direction,
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const SectionSlideParams ¶ms);
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void showFast();
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// This can be used to grab with or without top bar shadow.
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// This will be protected when animation preparation will be done inside.
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virtual QPixmap grabForShowAnimation(const SectionSlideParams ¶ms);
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// Attempt to show the required section inside the existing one.
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// For example if this section already shows exactly the required
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// memento it can simply return true - it is shown already.
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//
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// If this method returns false it is not supposed to modify the memento.
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// If this method returns true it may modify the memento ("take" heavy items).
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virtual bool showInternal(
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not_null<SectionMemento*> memento,
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const SectionShow ¶ms) = 0;
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virtual bool showMessage(
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PeerId peerId,
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const SectionShow ¶ms,
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MsgId messageId) {
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return false;
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}
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virtual bool preventsClose(Fn<void()> &&continueCallback) const {
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return false;
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}
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// Send bot command from peer info or media viewer.
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virtual SectionActionResult sendBotCommand(
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Bot::SendCommandRequest request) {
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return SectionActionResult::Ignore;
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}
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// Create a memento of that section to store it in the history stack.
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// This method may modify the section ("take" heavy items).
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virtual std::shared_ptr<SectionMemento> createMemento();
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void setInnerFocus() {
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doSetInnerFocus();
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}
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virtual rpl::producer<int> desiredHeight() const;
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// Some sections convert to layers on some geometry sizes.
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virtual object_ptr<Ui::LayerWidget> moveContentToLayer(
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QRect bodyGeometry) {
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return nullptr;
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}
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static void PaintBackground(
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not_null<SessionController*> controller,
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not_null<QWidget*> widget,
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QRect clip);
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protected:
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void paintEvent(QPaintEvent *e) override;
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// Temp variable used in resizeEvent() implementation, that is passed
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// to setGeometryWithTopMoved() to adjust the scroll position with the resize.
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int topDelta() const {
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return _topDelta;
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}
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// Called after the hideChildren() call in showAnimated().
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virtual void showAnimatedHook(
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const SectionSlideParams ¶ms) {
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}
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// Called after the showChildren() call in showFinished().
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virtual void showFinishedHook() {
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}
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virtual void doSetInnerFocus() {
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setFocus();
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}
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bool animating() const {
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return _showAnimation != nullptr;
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}
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~SectionWidget();
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private:
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void showFinished();
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std::unique_ptr<SlideAnimation> _showAnimation;
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// Saving here topDelta in setGeometryWithTopMoved() to get it passed to resizeEvent().
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int _topDelta = 0;
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};
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} // namespace Window
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