tdesktop/Telegram/SourceFiles/layout.h

90 lines
2.3 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 "layout/abstract_layout_item.h"
namespace HistoryView {
struct TextState;
struct StateRequest;
} // namespace HistoryView
namespace Ui {
enum CachedRoundCorners : int;
} // namespace Ui
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;
}
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);
Ui::CachedRoundCorners documentCorners(int colorIndex);
class PaintContextBase {
public:
PaintContextBase(crl::time ms, bool selecting) : ms(ms), selecting(selecting) {
}
crl::time ms;
bool selecting;
};
class LayoutItemBase : public AbstractLayoutItem {
public:
using TextState = HistoryView::TextState;
using StateRequest = HistoryView::StateRequest;
using AbstractLayoutItem::AbstractLayoutItem;
virtual void initDimensions() = 0;
[[nodiscard]] virtual TextState getState(
QPoint point,
StateRequest request) const;
[[nodiscard]] virtual TextSelection adjustSelection(
TextSelection selection,
TextSelectType type) const;
};