tdesktop/Telegram/SourceFiles/layout.h

135 lines
3.3 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 "base/runtime_composer.h"
namespace HistoryView {
struct TextState;
struct StateRequest;
} // namespace HistoryView
constexpr auto FullSelection = TextSelection { 0xFFFF, 0xFFFF };
inline bool IsSubGroupSelection(TextSelection selection) {
return (selection.from == 0xFFFF) && (selection.to != 0xFFFF);
}
inline bool IsGroupItemSelection(
TextSelection selection,
int index) {
Expects(index >= 0 && index < 0x0F);
return IsSubGroupSelection(selection) && (selection.to & (1 << index));
}
[[nodiscard]] inline TextSelection AddGroupItemSelection(
TextSelection selection,
int index) {
Expects(index >= 0 && index < 0x0F);
const auto bit = uint16(1U << index);
return TextSelection(
0xFFFF,
IsSubGroupSelection(selection) ? (selection.to | bit) : bit);
}
[[nodiscard]] inline TextSelection RemoveGroupItemSelection(
TextSelection selection,
int index) {
Expects(index >= 0 && index < 0x0F);
const auto bit = uint16(1U << index);
return IsSubGroupSelection(selection)
? TextSelection(0xFFFF, selection.to & ~bit)
: selection;
}
static const int32 FileStatusSizeReady = 0x7FFFFFF0;
static const int32 FileStatusSizeLoaded = 0x7FFFFFF1;
static const int32 FileStatusSizeFailed = 0x7FFFFFF2;
QString formatSizeText(qint64 size);
QString formatDownloadText(qint64 ready, qint64 total);
QString formatDurationText(qint64 duration);
QString formatDurationWords(qint64 duration);
QString formatDurationAndSizeText(qint64 duration, qint64 size);
QString formatGifAndSizeText(qint64 size);
QString formatPlayedText(qint64 played, qint64 duration);
int32 documentColorIndex(DocumentData *document, QString &ext);
style::color documentColor(int colorIndex);
style::color documentDarkColor(int colorIndex);
style::color documentOverColor(int colorIndex);
style::color documentSelectedColor(int colorIndex);
RoundCorners documentCorners(int colorIndex);
class PaintContextBase {
public:
PaintContextBase(TimeMs ms, bool selecting) : ms(ms), selecting(selecting) {
}
TimeMs ms;
bool selecting;
};
class LayoutItemBase
: public RuntimeComposer<LayoutItemBase>
, public ClickHandlerHost {
public:
using TextState = HistoryView::TextState;
using StateRequest = HistoryView::StateRequest;
LayoutItemBase() {
}
LayoutItemBase(const LayoutItemBase &other) = delete;
LayoutItemBase &operator=(const LayoutItemBase &other) = delete;
int maxWidth() const {
return _maxw;
}
int minHeight() const {
return _minh;
}
virtual void initDimensions() = 0;
virtual int resizeGetHeight(int width) {
_width = qMin(width, _maxw);
_height = _minh;
return _height;
}
[[nodiscard]] virtual TextState getState(
QPoint point,
StateRequest request) const;
[[nodiscard]] virtual TextSelection adjustSelection(
TextSelection selection,
TextSelectType type) const;
int width() const {
return _width;
}
int height() const {
return _height;
}
bool hasPoint(QPoint point) const {
return QRect(0, 0, width(), height()).contains(point);
}
virtual ~LayoutItemBase() {
}
protected:
int _width = 0;
int _height = 0;
int _maxw = 0;
int _minh = 0;
};