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Editor: multi cursor support

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Adding a way to create multiple cursors that can insert/remove text at
arbitrary positions in the document. Adding cursors is done by pressing
alt + up/down or by clicking into the editor while holding the alt key.

Fixes: QTCREATORBUG-16013
Change-Id: I495d27d95a3d277220946616ef30efc241da0120
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Artem Sokolovskii <artem.sokolovskii@qt.io>
Reviewed-by: David Schulz <david.schulz@qt.io>
This commit is contained in:
David Schulz
2021-06-28 09:13:57 +02:00
parent eefb385918
commit c00330f905
30 changed files with 2204 additions and 2459 deletions
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21
src/plugins/texteditor/texteditor.h
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@@ -40,6 +40,7 @@
#include <utils/elidinglabel.h>
#include <utils/link.h>
#include <utils/multitextcursor.h>
#include <utils/uncommentselection.h>
#include <QPlainTextEdit>
@@ -177,9 +178,6 @@ private:
class TEXTEDITOR_EXPORT TextEditorWidget : public QPlainTextEdit
{
Q_OBJECT
Q_PROPERTY(int verticalBlockSelectionFirstColumn READ verticalBlockSelectionFirstColumn)
Q_PROPERTY(int verticalBlockSelectionLastColumn READ verticalBlockSelectionLastColumn)
public:
explicit TextEditorWidget(QWidget *parent = nullptr);
~TextEditorWidget() override;
@@ -271,15 +269,8 @@ public:
const QString &snippet,
const SnippetParser &parse);
void setBlockSelection(bool on);
void setBlockSelection(int positionBlock, int positionColumn, int anchhorBlock,
int anchorColumn);
void setBlockSelection(const QTextCursor &cursor);
QTextCursor blockSelection() const;
bool hasBlockSelection() const;
int verticalBlockSelectionFirstColumn() const;
int verticalBlockSelectionLastColumn() const;
Utils::MultiTextCursor multiTextCursor() const;
void setMultiTextCursor(const Utils::MultiTextCursor &cursor);
QRegion translatedLineRegion(int lineStart, int lineEnd) const;
@@ -325,6 +316,7 @@ public:
static Utils::Id AutoCompleteSelection;
static Utils::Id CodeWarningsSelection;
static Utils::Id CodeSemanticsSelection;
static Utils::Id CursorSelection;
static Utils::Id UndefinedSymbolSelection;
static Utils::Id UnusedSymbolSelection;
static Utils::Id OtherSelection;
@@ -512,7 +504,6 @@ protected:
QTextBlock blockForVerticalOffset(int offset) const;
bool event(QEvent *e) override;
void contextMenuEvent(QContextMenuEvent *e) override;
void inputMethodEvent(QInputMethodEvent *e) override;
void keyPressEvent(QKeyEvent *e) override;
void wheelEvent(QWheelEvent *e) override;
void changeEvent(QEvent *e) override;
@@ -542,6 +533,7 @@ protected:
void dropEvent(QDropEvent *e) override;
virtual QString plainTextFromSelection(const QTextCursor &cursor) const;
virtual QString plainTextFromSelection(const Utils::MultiTextCursor &cursor) const;
static QString convertToPlainText(const QString &txt);
virtual QString lineNumber(int blockNumber) const;
@@ -602,7 +594,7 @@ protected:
const QRect &clip);
int visibleFoldedBlockNumber() const;
void doSetTextCursor(const QTextCursor &cursor) override;
void doSetTextCursor(const QTextCursor &cursor, bool keepBlockSelection);
void doSetTextCursor(const QTextCursor &cursor, bool keepMultiSelection);
signals:
void markRequested(TextEditor::TextEditorWidget *widget,
@@ -619,7 +611,6 @@ protected:
virtual void slotCodeStyleSettingsChanged(const QVariant &); // Used in CppEditor
Q_INVOKABLE bool inFindScope(const QTextCursor &cursor);
Q_INVOKABLE bool inFindScope(int selectionStart, int selectionEnd);
private:
Internal::TextEditorWidgetPrivate *d;