172 lines
3.9 KiB
C++
172 lines
3.9 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 "base/qt/qt_compare.h"
|
|
#include "base/weak_ptr.h"
|
|
#include "ui/rp_widget.h"
|
|
|
|
class QPainter;
|
|
|
|
namespace Ui {
|
|
class PopupMenu;
|
|
} // namespace Ui
|
|
|
|
namespace Dialogs::Stories {
|
|
|
|
class Userpic {
|
|
public:
|
|
[[nodiscard]] virtual QImage image(int size) = 0;
|
|
virtual void subscribeToUpdates(Fn<void()> callback) = 0;
|
|
};
|
|
|
|
struct User {
|
|
uint64 id = 0;
|
|
QString name;
|
|
std::shared_ptr<Userpic> userpic;
|
|
bool unread = false;
|
|
bool hidden = false;
|
|
bool self = false;
|
|
|
|
friend inline bool operator==(const User &a, const User &b) = default;
|
|
};
|
|
|
|
struct Content {
|
|
std::vector<User> users;
|
|
bool full = false;
|
|
|
|
friend inline bool operator==(
|
|
const Content &a,
|
|
const Content &b) = default;
|
|
};
|
|
|
|
struct ToggleShownRequest {
|
|
uint64 id = 0;
|
|
bool shown = false;
|
|
};
|
|
|
|
class List final : public Ui::RpWidget {
|
|
public:
|
|
List(
|
|
not_null<QWidget*> parent,
|
|
rpl::producer<Content> content,
|
|
Fn<int()> shownHeight);
|
|
|
|
[[nodiscard]] rpl::producer<uint64> clicks() const;
|
|
[[nodiscard]] rpl::producer<uint64> showProfileRequests() const;
|
|
[[nodiscard]] rpl::producer<ToggleShownRequest> toggleShown() const;
|
|
[[nodiscard]] rpl::producer<> expandRequests() const;
|
|
[[nodiscard]] rpl::producer<> entered() const;
|
|
[[nodiscard]] rpl::producer<> loadMoreRequests() const;
|
|
|
|
private:
|
|
struct Layout;
|
|
struct Item {
|
|
User user;
|
|
QImage nameCache;
|
|
QColor nameCacheColor;
|
|
bool subscribed = false;
|
|
};
|
|
struct Summary {
|
|
QString string;
|
|
Ui::Text::String text;
|
|
int available = 0;
|
|
QImage cache;
|
|
QColor cacheColor;
|
|
int cacheForWidth = 0;
|
|
|
|
[[nodiscard]] bool empty() const {
|
|
return string.isEmpty();
|
|
}
|
|
};
|
|
struct Summaries {
|
|
Summary total;
|
|
Summary allNames;
|
|
Summary unreadNames;
|
|
bool skipSelf = false;
|
|
};
|
|
struct Data {
|
|
std::vector<Item> items;
|
|
Summaries summaries;
|
|
|
|
[[nodiscard]] bool empty() const {
|
|
return items.empty();
|
|
}
|
|
};
|
|
|
|
[[nodiscard]] static Summaries ComposeSummaries(Data &data);
|
|
[[nodiscard]] static bool StringsEqual(
|
|
const Summaries &a,
|
|
const Summaries &b);
|
|
static void Populate(Summary &summary);
|
|
static void Populate(Summaries &summaries);
|
|
[[nodiscard]] static Summary &ChooseSummary(
|
|
Summaries &summaries,
|
|
int totalItems,
|
|
int fullWidth);
|
|
static void PrerenderSummary(Summary &summary);
|
|
|
|
void showContent(Content &&content);
|
|
void enterEventHook(QEnterEvent *e) override;
|
|
void resizeEvent(QResizeEvent *e) override;
|
|
void paintEvent(QPaintEvent *e) override;
|
|
void wheelEvent(QWheelEvent *e) override;
|
|
void mousePressEvent(QMouseEvent *e) override;
|
|
void mouseMoveEvent(QMouseEvent *e) override;
|
|
void mouseReleaseEvent(QMouseEvent *e) override;
|
|
void contextMenuEvent(QContextMenuEvent *e) override;
|
|
|
|
void validateUserpic(not_null<Item*> item);
|
|
void validateName(not_null<Item*> item);
|
|
void updateScrollMax();
|
|
void updateSummary(Data &data);
|
|
void updateSelected();
|
|
void checkDragging();
|
|
bool finishDragging();
|
|
void checkLoadMore();
|
|
|
|
void updateHeight();
|
|
void toggleAnimated(bool shown);
|
|
void paintSummary(
|
|
QPainter &p,
|
|
Data &data,
|
|
float64 summaryTop,
|
|
float64 hidden);
|
|
|
|
[[nodiscard]] Layout computeLayout() const;
|
|
|
|
Content _content;
|
|
Data _data;
|
|
Data _hidingData;
|
|
Fn<int()> _shownHeight = 0;
|
|
rpl::event_stream<uint64> _clicks;
|
|
rpl::event_stream<uint64> _showProfileRequests;
|
|
rpl::event_stream<ToggleShownRequest> _toggleShown;
|
|
rpl::event_stream<> _expandRequests;
|
|
rpl::event_stream<> _entered;
|
|
rpl::event_stream<> _loadMoreRequests;
|
|
|
|
Ui::Animations::Simple _shownAnimation;
|
|
|
|
QPoint _lastMousePosition;
|
|
std::optional<QPoint> _mouseDownPosition;
|
|
int _startDraggingLeft = 0;
|
|
int _scrollLeft = 0;
|
|
int _scrollLeftMax = 0;
|
|
bool _dragging = false;
|
|
|
|
int _selected = -1;
|
|
int _pressed = -1;
|
|
|
|
base::unique_qptr<Ui::PopupMenu> _menu;
|
|
base::has_weak_ptr _menuGuard;
|
|
|
|
};
|
|
|
|
} // namespace Dialogs::Stories
|