kepka/Telegram/SourceFiles/chat_helpers/emoji_list_widget.h

170 lines
4.2 KiB
C++

//
// This file is part of Kepka,
// an unofficial desktop version of Telegram messaging app,
// see https://github.com/procxx/kepka
//
// Kepka is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// It is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// In addition, as a special exception, the copyright holders give permission
// to link the code of portions of this program with the OpenSSL library.
//
// Full license: https://github.com/procxx/kepka/blob/master/LICENSE
// Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
// Copyright (c) 2017- Kepka Contributors, https://github.com/procxx
//
#pragma once
#include "chat_helpers/tabbed_selector.h"
namespace Window {
class Controller;
} // namespace Window
namespace ChatHelpers {
constexpr auto kEmojiSectionCount = 8;
class EmojiColorPicker : public TWidget {
Q_OBJECT
public:
EmojiColorPicker(QWidget *parent);
void showEmoji(EmojiPtr emoji);
void clearSelection();
void handleMouseMove(QPoint globalPos);
void handleMouseRelease(QPoint globalPos);
void hideFast();
public slots:
void showAnimated();
void hideAnimated();
signals:
void emojiSelected(EmojiPtr emoji);
void hidden();
protected:
void paintEvent(QPaintEvent *e) override;
void enterEventHook(QEvent *e) override;
void leaveEventHook(QEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void mouseReleaseEvent(QMouseEvent *e) override;
void mouseMoveEvent(QMouseEvent *e) override;
private:
void animationCallback();
void drawVariant(Painter &p, int variant);
void updateSelected();
void setSelected(int newSelected);
bool _ignoreShow = false;
QVector<EmojiPtr> _variants;
int _selected = -1;
int _pressedSel = -1;
QPoint _lastMousePos;
bool _hiding = false;
QPixmap _cache;
Animation _a_opacity;
QTimer _hideTimer;
};
class EmojiListWidget : public TabbedSelector::Inner {
Q_OBJECT
public:
EmojiListWidget(QWidget *parent, not_null<Window::Controller *> controller);
using Section = Ui::Emoji::Section;
void setVisibleTopBottom(int visibleTop, int visibleBottom) override;
void refreshRecent() override;
void clearSelection() override;
object_ptr<TabbedSelector::InnerFooter> createFooter() override;
void showEmojiSection(Section section);
Section currentSection(int yOffset) const;
public slots:
void onShowPicker();
void onPickerHidden();
void onColorSelected(EmojiPtr emoji);
bool checkPickerHide();
signals:
void selected(EmojiPtr emoji);
void switchToStickers();
protected:
void mousePressEvent(QMouseEvent *e) override;
void mouseReleaseEvent(QMouseEvent *e) override;
void mouseMoveEvent(QMouseEvent *e) override;
void paintEvent(QPaintEvent *e) override;
void leaveEventHook(QEvent *e) override;
void leaveToChildEvent(QEvent *e, QWidget *child) override;
void enterFromChildEvent(QEvent *e, QWidget *child) override;
bool event(QEvent *e) override;
TabbedSelector::InnerFooter *getFooter() const override;
void processHideFinished() override;
int countHeight() override;
private:
class Footer;
struct SectionInfo {
int section = 0;
int count = 0;
int top = 0;
int rowsCount = 0;
int rowsTop = 0;
int rowsBottom = 0;
};
template <typename Callback> bool enumerateSections(Callback callback) const;
SectionInfo sectionInfo(int section) const;
SectionInfo sectionInfoByOffset(int yOffset) const;
void ensureLoaded(int section);
int countSectionTop(int section) const;
void updateSelected();
void setSelected(int newSelected);
void selectEmoji(EmojiPtr emoji);
QRect emojiRect(int section, int sel);
Footer *_footer = nullptr;
int _counts[kEmojiSectionCount];
QVector<EmojiPtr> _emoji[kEmojiSectionCount];
qint32 _esize;
int _selected = -1;
int _pressedSel = -1;
int _pickerSel = -1;
QPoint _lastMousePos;
object_ptr<EmojiColorPicker> _picker;
QTimer _showPickerTimer;
};
} // namespace ChatHelpers