tdesktop/Telegram/SourceFiles/chat_helpers/tabbed_selector.h

290 lines
6.3 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#pragma once
#include "ui/rp_widget.h"
#include "ui/effects/animations.h"
#include "ui/effects/panel_animation.h"
#include "mtproto/sender.h"
#include "main/main_session.h"
#include "base/object_ptr.h"
namespace InlineBots {
class Result;
} // namespace InlineBots
namespace Ui {
class PlainShadow;
class ScrollArea;
class SettingsSlider;
class FlatLabel;
} // namesapce Ui
namespace Window {
class SessionController;
} // namespace Window
namespace ChatHelpers {
enum class SelectorTab {
Emoji,
Stickers,
Gifs,
};
class EmojiListWidget;
class StickersListWidget;
class GifsListWidget;
class TabbedSelector : public Ui::RpWidget, private base::Subscriber {
public:
struct InlineChosen {
not_null<InlineBots::Result*> result;
not_null<UserData*> bot;
};
enum class Mode {
Full,
EmojiOnly
};
TabbedSelector(
QWidget *parent,
not_null<Window::SessionController*> controller,
Mode mode = Mode::Full);
~TabbedSelector();
Main::Session &session() const;
rpl::producer<EmojiPtr> emojiChosen() const;
rpl::producer<not_null<DocumentData*>> fileChosen() const;
rpl::producer<not_null<PhotoData*>> photoChosen() const;
rpl::producer<InlineChosen> inlineResultChosen() const;
rpl::producer<> cancelled() const;
rpl::producer<> checkForHide() const;
rpl::producer<> slideFinished() const;
void setRoundRadius(int radius);
void refreshStickers();
void setCurrentPeer(PeerData *peer);
void hideFinished();
void showStarted();
void beforeHiding();
void afterShown();
int marginTop() const;
int marginBottom() const;
int scrollTop() const;
bool preventAutoHide() const;
bool isSliding() const {
return _a_slide.animating();
}
void setAfterShownCallback(Fn<void(SelectorTab)> callback) {
_afterShownCallback = std::move(callback);
}
void setBeforeHidingCallback(Fn<void(SelectorTab)> callback) {
_beforeHidingCallback = std::move(callback);
}
// Float player interface.
bool wheelEventFromFloatPlayer(QEvent *e);
QRect rectForFloatPlayer() const;
auto showRequests() const {
return _showRequests.events();
}
class Inner;
class InnerFooter;
protected:
void paintEvent(QPaintEvent *e) override;
void resizeEvent(QResizeEvent *e) override;
private:
class Tab {
public:
static constexpr auto kCount = 3;
Tab(SelectorTab type, object_ptr<Inner> widget);
object_ptr<Inner> takeWidget();
void returnWidget(object_ptr<Inner> widget);
SelectorTab type() const {
return _type;
}
Inner *widget() const {
return _weak;
}
not_null<InnerFooter*> footer() const {
return _footer;
}
void saveScrollTop();
void saveScrollTop(int scrollTop) {
_scrollTop = scrollTop;
}
int getScrollTop() const {
return _scrollTop;
}
private:
SelectorTab _type = SelectorTab::Emoji;
object_ptr<Inner> _widget = { nullptr };
QPointer<Inner> _weak;
object_ptr<InnerFooter> _footer;
int _scrollTop = 0;
};
bool full() const;
Tab createTab(SelectorTab type);
void paintSlideFrame(Painter &p);
void paintContent(Painter &p);
void checkRestrictedPeer();
bool isRestrictedView();
void updateRestrictedLabelGeometry();
void handleScroll();
QImage grabForAnimation();
void scrollToY(int y);
void showAll();
void hideForSliding();
bool hasSectionIcons() const;
void setWidgetToScrollArea();
void createTabsSlider();
void switchTab();
not_null<Tab*> getTab(SelectorTab type) {
return &_tabs[static_cast<int>(type)];
}
not_null<const Tab*> getTab(SelectorTab type) const {
return &_tabs[static_cast<int>(type)];
}
not_null<Tab*> currentTab() {
return getTab(_currentTabType);
}
not_null<const Tab*> currentTab() const {
return getTab(_currentTabType);
}
not_null<EmojiListWidget*> emoji() const;
not_null<StickersListWidget*> stickers() const;
not_null<GifsListWidget*> gifs() const;
const not_null<Window::SessionController*> _controller;
Mode _mode = Mode::Full;
int _roundRadius = 0;
int _footerTop = 0;
PeerData *_currentPeer = nullptr;
class SlideAnimation;
std::unique_ptr<SlideAnimation> _slideAnimation;
Ui::Animations::Simple _a_slide;
object_ptr<Ui::SettingsSlider> _tabsSlider = { nullptr };
object_ptr<Ui::PlainShadow> _topShadow;
object_ptr<Ui::PlainShadow> _bottomShadow;
object_ptr<Ui::ScrollArea> _scroll;
object_ptr<Ui::FlatLabel> _restrictedLabel = { nullptr };
std::array<Tab, Tab::kCount> _tabs;
SelectorTab _currentTabType = SelectorTab::Emoji;
Fn<void(SelectorTab)> _afterShownCallback;
Fn<void(SelectorTab)> _beforeHidingCallback;
rpl::event_stream<> _showRequests;
rpl::event_stream<> _slideFinished;
};
class TabbedSelector::Inner : public Ui::RpWidget {
public:
Inner(QWidget *parent, not_null<Window::SessionController*> controller);
not_null<Window::SessionController*> controller() const {
return _controller;
}
int getVisibleTop() const {
return _visibleTop;
}
int getVisibleBottom() const {
return _visibleBottom;
}
void setMinimalHeight(int newWidth, int newMinimalHeight);
virtual void refreshRecent() = 0;
virtual void preloadImages() {
}
void hideFinished();
void panelHideFinished();
virtual void clearSelection() = 0;
virtual void afterShown() {
}
virtual void beforeHiding() {
}
rpl::producer<int> scrollToRequests() const;
rpl::producer<bool> disableScrollRequests() const;
virtual object_ptr<InnerFooter> createFooter() = 0;
protected:
void visibleTopBottomUpdated(
int visibleTop,
int visibleBottom) override;
int minimalHeight() const;
int resizeGetHeight(int newWidth) override final;
virtual int countDesiredHeight(int newWidth) = 0;
virtual InnerFooter *getFooter() const = 0;
virtual void processHideFinished() {
}
virtual void processPanelHideFinished() {
}
void scrollTo(int y);
void disableScroll(bool disabled);
private:
not_null<Window::SessionController*> _controller;
int _visibleTop = 0;
int _visibleBottom = 0;
int _minimalHeight = 0;
rpl::event_stream<int> _scrollToRequests;
rpl::event_stream<bool> _disableScrollRequests;
};
class TabbedSelector::InnerFooter : public TWidget {
public:
InnerFooter(QWidget *parent);
protected:
virtual void processHideFinished() {
}
virtual void processPanelHideFinished() {
}
friend class Inner;
};
} // namespace ChatHelpers