mirror of
https://github.com/AyuGram/AyuGramDesktop.git
synced 2026-08-09 13:13:52 +00:00
John Preston
140 lines
4.3 KiB
C++
140 lines
4.3 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "iv/markdown/iv_markdown_article_layout_blocks.h"
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#include "iv/iv_rich_page.h"
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namespace Iv::Markdown {
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enum class SelectableSegmentKind {
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TextLeaf,
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CodeBlock,
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DisplayMath,
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Table,
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Placeholder,
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Photo,
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Media,
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};
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struct SelectableSegment {
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SelectableSegmentKind kind = SelectableSegmentKind::TextLeaf;
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const Ui::Text::String *leaf = nullptr;
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const LaidOutBlock *block = nullptr;
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const LaidOutTableCell *cell = nullptr;
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QRect outerRect;
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QRect textRect;
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int textWidth = 0;
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style::align align = style::al_left;
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int index = -1;
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int length = 0;
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int tableSegmentIndex = -1;
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int parentSegmentIndex = -1;
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[[nodiscard]] bool isTextLeaf() const {
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return (leaf != nullptr);
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}
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};
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struct LogicalVisibleRange {
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int top = 0;
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int bottom = 0;
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};
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struct SegmentSpan {
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int from = 0;
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int till = 0;
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[[nodiscard]] bool empty() const {
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return (from >= till);
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}
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};
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struct PaintSearchSegmentRanges {
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std::vector<TextSelection> other;
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std::optional<TextSelection> current;
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[[nodiscard]] bool empty() const {
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return other.empty() && !current;
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}
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};
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void CollectSelectableSegments(
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std::vector<LaidOutBlock> *blocks,
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std::vector<SelectableSegment> *segments);
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void RefreshScrollableSegmentRects(
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const std::vector<LaidOutBlock> &blocks,
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std::vector<SelectableSegment> *segments);
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void RefreshScrollableSegmentRects(
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const LaidOutBlock &block,
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std::vector<SelectableSegment> *segments);
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void CollectAnchors(
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const std::vector<LaidOutBlock> &blocks,
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std::vector<std::pair<QString, int>> *anchors);
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[[nodiscard]] const SelectableSegment *FindSegment(
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const std::vector<SelectableSegment> *segments,
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int index);
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[[nodiscard]] int SegmentLength(const SelectableSegment &segment);
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[[nodiscard]] const style::TextStyle &TextStyleForSegment(
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const SelectableSegment &segment,
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const style::Markdown &st);
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[[nodiscard]] style::color TextColorForSegment(
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const SelectableSegment &segment,
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const style::Markdown &st);
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[[nodiscard]] std::optional<TextSelection> TextSelectionForSegment(
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const SelectableSegment &segment,
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const PaintSelectionState &selectionState);
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[[nodiscard]] std::optional<TextSelection> TextSelectionForSegmentIndex(
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const PaintSelectionState &selectionState,
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int index);
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[[nodiscard]] std::optional<TextSelection> PaintTextSelectionForSegment(
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const SelectableSegment &segment,
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const PaintSelectionState &selectionState);
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[[nodiscard]] std::optional<TextSelection> PaintTextSelectionForSegmentIndex(
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const PaintSelectionState &selectionState,
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int index);
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[[nodiscard]] PaintSearchSegmentRanges PaintSearchRangesForSegmentIndex(
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const PaintSelectionState &selectionState,
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const PaintSearchState &searchState,
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int index);
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[[nodiscard]] bool WholeSegmentSelected(
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const SelectableSegment &segment,
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const PaintSelectionState &selectionState);
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[[nodiscard]] bool WholeSegmentSelected(
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const PaintSelectionState &selectionState,
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int index);
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[[nodiscard]] bool TableSegmentSelected(
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const PaintSelectionState &selectionState,
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int tableSegmentIndex);
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[[nodiscard]] bool StructuralBlockSelected(
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const PaintSelectionState &selectionState,
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const PreparedEditBlockSource &source);
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[[nodiscard]] bool StructuralListItemSelected(
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const PaintSelectionState &selectionState,
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const PreparedEditListItemSource &source);
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[[nodiscard]] bool StructuralTableRowSelected(
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const PaintSelectionState &selectionState,
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const PreparedEditTableRowSource &source);
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[[nodiscard]] bool StructuralTableCellSelected(
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const PaintSelectionState &selectionState,
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const PreparedEditTableCellSource &source);
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[[nodiscard]] TextForMimeData TextForSegment(
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const SelectableSegment &segment,
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TextSelection selection = AllTextSelection);
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[[nodiscard]] TextForMimeData TextForSelectedSegments(
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const std::vector<SelectableSegment> &segments,
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MarkdownArticleSelection selection,
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const MarkdownArticleSelectionEndpoints *endpoints,
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const PreparedEditSelection *structuralSelection = nullptr);
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[[nodiscard]] std::vector<RichPage::Block> RichPageBlocksForSelectedSegments(
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const RichPage &page,
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const std::vector<SelectableSegment> &segments,
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MarkdownArticleSelection selection);
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} // namespace Iv::Markdown
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