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// Scintilla source code edit control
/** @file EditModel.cxx
** Defines the editor state that must be visible to EditorView.
**/
// Copyright 1998-2014 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.
#include <cstddef>
#include <cstdlib>
#include <cassert>
#include <cstring>
#include <cmath>
#include <stdexcept>
#include <string>
#include <string_view>
#include <vector>
#include <map>
#include <set>
#include <optional>
#include <algorithm>
#include <memory>
#include "ScintillaTypes.h"
#include "ILoader.h"
#include "ILexer.h"
#include "Debugging.h"
#include "Geometry.h"
#include "Platform.h"
#include "CharacterCategoryMap.h"
#include "Position.h"
#include "UniqueString.h"
#include "SplitVector.h"
#include "Partitioning.h"
#include "RunStyles.h"
#include "ContractionState.h"
#include "CellBuffer.h"
#include "Indicator.h"
#include "LineMarker.h"
#include "Style.h"
#include "ViewStyle.h"
#include "CharClassify.h"
#include "Decoration.h"
#include "CaseFolder.h"
#include "Document.h"
#include "UniConversion.h"
#include "Selection.h"
#include "PositionCache.h"
#include "EditModel.h"
using namespace Scintilla;
using namespace Scintilla::Internal;
Caret::Caret() noexcept :
active(false), on(false), period(500) {}
EditModel::EditModel() : braces{} {
inOverstrike = false;
xOffset = 0;
trackLineWidth = false;
posDrag = SelectionPosition(Sci::invalidPosition);
braces[0] = Sci::invalidPosition;
braces[1] = Sci::invalidPosition;
bracesMatchStyle = StyleBraceBad;
highlightGuideColumn = 0;
hasFocus = false;
primarySelection = true;
imeInteraction = IMEInteraction::Windowed;
bidirectional = Bidirectional::Disabled;
foldFlags = FoldFlag::None;
foldDisplayTextStyle = FoldDisplayTextStyle::Hidden;
hotspot = Range(Sci::invalidPosition);
hotspotSingleLine = true;
hoverIndicatorPos = Sci::invalidPosition;
wrapWidth = LineLayout::wrapWidthInfinite;
pdoc = new Document(DocumentOption::Default);
pdoc->AddRef();
pcs = ContractionStateCreate(pdoc->IsLarge());
}
EditModel::~EditModel() {
try {
// This never throws but isn't marked noexcept for compatibility
pdoc->Release();
} catch (...) {
// Ignore any exception
}
pdoc = nullptr;
}
bool EditModel::BidirectionalEnabled() const noexcept {
return (bidirectional != Bidirectional::Disabled) &&
(CpUtf8 == pdoc->dbcsCodePage);
}
bool EditModel::BidirectionalR2L() const noexcept {
return bidirectional == Bidirectional::R2L;
}
void EditModel::SetDefaultFoldDisplayText(const char *text) {
defaultFoldDisplayText = IsNullOrEmpty(text) ? UniqueString() : UniqueStringCopy(text);
}
const char *EditModel::GetDefaultFoldDisplayText() const noexcept {
return defaultFoldDisplayText.get();
}
const char *EditModel::GetFoldDisplayText(Sci::Line lineDoc) const noexcept {
if (foldDisplayTextStyle == FoldDisplayTextStyle::Hidden || pcs->GetExpanded(lineDoc)) {
return nullptr;
}
const char *text = pcs->GetFoldDisplayText(lineDoc);
return text ? text : defaultFoldDisplayText.get();
}
InSelection EditModel::LineEndInSelection(Sci::Line lineDoc) const {
const Sci::Position posAfterLineEnd = pdoc->LineStart(lineDoc + 1);
return sel.InSelectionForEOL(posAfterLineEnd);
}
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