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* shader editor: lines numbering

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This commit is contained in:
Garux 2023-07-20 17:20:26 +06:00
parent 66f80987a8
commit 4d870a381f
1 changed files with 69 additions and 1 deletions
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70
radiant/gtkdlgs.cpp
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@ -488,7 +488,7 @@ no completion on undo, paste? //atm on adding undo, not on removing
QStringLiteral optimization
QCompleter inactive entry in list // because is wrapAround()
check %p %t lengths in hl
display line numbers, exremely useful for error messages handling
display line numbers, exremely useful for error messages handling
*/
#include <set>
@ -1548,10 +1548,38 @@ public:
};
class LineNumberArea : public QWidget
{
QPlainTextEdit *m_textEdit;
const Callback1<QPaintEvent*> m_paintCallback;
public:
LineNumberArea( QPlainTextEdit *textEdit, const decltype( m_paintCallback )& paintCallback ) :
QWidget( textEdit ), m_textEdit( textEdit ), m_paintCallback( paintCallback ){}
QSize sizeHint() const override {
return QSize( lineNumberAreaWidth(), 0 );
}
int lineNumberAreaWidth() const {
const int digits = 1 + std::log10( std::max( 1, m_textEdit->blockCount() ) );
return 3 + 10 + m_textEdit->fontMetrics().horizontalAdvance( QLatin1Char('9') ) * digits;
}
void updateLineNumberArea( const QRect &rect, int dy ){
if( dy )
scroll( 0, dy );
else
update( 0, rect.y(), width(), rect.height() );
}
protected:
void paintEvent( QPaintEvent *event ) override {
m_paintCallback( event );
}
};
class QPlainTextEdit_Shader : public QPlainTextEdit
{
QCompleter *m_completer;
TexTree m_texTree;
LineNumberArea *m_lineNumberArea;
public:
QPlainTextEdit_Shader(){
m_completer = new QCompleter( this );
@ -1563,12 +1591,43 @@ public:
setLineWrapMode( QPlainTextEdit::LineWrapMode::NoWrap );
new ShaderHighlighter( document() );
m_lineNumberArea = new LineNumberArea( this, MemberCaller1<QPlainTextEdit_Shader, QPaintEvent *, &QPlainTextEdit_Shader::lineNumberAreaPaintEvent>( *this ) );
QObject::connect( this, &QPlainTextEdit::blockCountChanged, [this]( int newBlockCount ){ updateLineNumberAreaWidth(); } );
QObject::connect( this, &QPlainTextEdit::updateRequest, [this]( const QRect &rect, int dy ){
m_lineNumberArea->updateLineNumberArea( rect, dy );
if( rect.contains( viewport()->rect() ) )
updateLineNumberAreaWidth();
} );
updateLineNumberAreaWidth();
// force back/foreground colors to not be ruined by global theme
QPalette pal = palette();
pal.setColor( QPalette::Base, c_colorBackground );
pal.setColor( QPalette::Text, c_colorForeground );
setPalette( pal );
}
void lineNumberAreaPaintEvent( QPaintEvent *event ){
QPainter painter( m_lineNumberArea );
painter.setFont( font() );
painter.setPen( Qt::darkGray );
painter.fillRect( event->rect(), c_colorBackground.lighter( 128 ) );
QTextBlock block = firstVisibleBlock();
int blockNumber = block.blockNumber();
int top = qRound( blockBoundingGeometry( block ).translated( contentOffset() ).top() );
int bottom = top + qRound( blockBoundingRect( block ).height() );
while( block.isValid() && top <= event->rect().bottom() ){
if( block.isVisible() && bottom >= event->rect().top() ){
painter.drawText( 0, top, m_lineNumberArea->width() - 10, fontMetrics().height(), Qt::AlignRight, QString::number( blockNumber + 1 ) );
}
block = block.next();
top = bottom;
bottom = top + qRound( blockBoundingRect( block ).height() );
++blockNumber;
}
}
protected:
bool event( QEvent *event ) override {
if( event->type() == QEvent::ShortcutOverride ){
@ -1763,6 +1822,15 @@ protected:
}
QPlainTextEdit::paintEvent( pEvent );
}
void resizeEvent( QResizeEvent *e ) override {
QPlainTextEdit::resizeEvent( e );
const QRect cr = contentsRect();
m_lineNumberArea->setGeometry( QRect( cr.left(), cr.top(), m_lineNumberArea->lineNumberAreaWidth(), cr.height() ) );
}
void updateLineNumberAreaWidth(){
setViewportMargins( m_lineNumberArea->lineNumberAreaWidth(), 0, 0, 0 );
}
private:
void texTree_construct(){
class LoadTexturesByTypeVisitor : public ImageModules::Visitor