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2012-02-03 17:26 UTC-0800 Pritpal Bedi (bedipritpal@hotmail.com)

Browse Source 
* contrib/hbqt/qtgui/hbqt_hbqplaintextedit.cpp
  * contrib/hbqt/qtgui/hbqt_hbqplaintextedit.h
    + Implemented: Drag & Drop of selected text.
       It confirms to the standard Windows behavior per drop protocol, 
       and in addition, also confirms to the hbIDE's column-selection mode.
This commit is contained in:
Pritpal Bedi
2012-02-04 01:29:53 +00:00
parent abdc9f8f79
commit 1074ae16b1
3 changed files with 134 additions and 28 deletions
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7
harbour/ChangeLog
View File

@@ -16,6 +16,13 @@
The license applies to all entries newer than 2009-04-28.
*/
2012-02-03 17:26 UTC-0800 Pritpal Bedi (bedipritpal@hotmail.com)
* contrib/hbqt/qtgui/hbqt_hbqplaintextedit.cpp
* contrib/hbqt/qtgui/hbqt_hbqplaintextedit.h
+ Implemented: Drag & Drop of selected text.
It confirms to the standard Windows behavior per drop protocol,
and in addition, also confirms to the hbIDE's column-selection mode.
2012-02-02 10:32 UTC-0800 Pritpal Bedi (bedipritpal@hotmail.com)
* contrib/gtwvg/wvgcrt.prg
* contrib/gtwvg/wvgwnd.prg

145
harbour/contrib/hbqt/qtgui/hbqt_hbqplaintextedit.cpp
View File

@@ -128,7 +128,8 @@ HBQPlainTextEdit::HBQPlainTextEdit( QWidget * parent ) : QPlainTextEdit( parent
isAliasCompleter = false;
isCodeCompletionActive = true;
isCompletionTipsActive = true;
isInDrag = false;
#if 0
QTextFrameFormat format( this->document()->rootFrame()->frameFormat() );
format.setMargin( 0 );
@@ -184,6 +185,8 @@ HBQPlainTextEdit::HBQPlainTextEdit( QWidget * parent ) : QPlainTextEdit( parent
highlighter = NULL;
block = NULL;
setAcceptDrops( true );
}
/*----------------------------------------------------------------------*/
@@ -258,7 +261,7 @@ HBQPlainTextEdit::~HBQPlainTextEdit()
disconnect( this, SIGNAL( cursorPositionChanged() ) );
delete lineNumberArea;
if( block )
hb_itemRelease( block );
}
@@ -794,6 +797,93 @@ void HBQPlainTextEdit::hbPaste()
/*----------------------------------------------------------------------*/
void HBQPlainTextEdit::dropEvent( QDropEvent *event )
{
if( event->dropAction() == Qt::CopyAction || event->dropAction() == Qt::MoveAction )
{
if( event->source() == this )
{
QTextCursor c = cursorForPosition( event->pos() );
int row = c.blockNumber();
hbCopy();
if( event->dropAction() != Qt::CopyAction )
{
int linesBefore = blockCount();
this->hbCut( Qt::Key_Delete );
int linesAfter = blockCount();
QTextCursor c( textCursor() );
c.movePosition( QTextCursor::Start );
c.movePosition( QTextCursor::Down, QTextCursor::MoveAnchor, row + ( linesAfter - linesBefore ) );
setTextCursor( c );
}
else
{
setTextCursor( cursorForPosition( event->pos() ) );
}
selectionState = 0;
hbClearSelection();
hbPaste();
QPlainTextEdit::dropEvent( event );
c = textCursor();
c.movePosition( QTextCursor::Left, QTextCursor::KeepAnchor, 1 );
c.removeSelectedText();
setTextCursor( c );
return;
}
}
QPlainTextEdit::dropEvent( event );
}
/*----------------------------------------------------------------------*/
void HBQPlainTextEdit::dragMoveEvent( QDragMoveEvent *event )
{
if( event->mimeData()->hasText() )
{
if( event->source() == this )
{
event->accept();
}
else
{
event->acceptProposedAction();
}
}
else
{
event->ignore();
}
QPlainTextEdit::dragMoveEvent( event );
}
/*----------------------------------------------------------------------*/
void HBQPlainTextEdit::dragEnterEvent( QDragEnterEvent *event )
{
if( event->mimeData()->hasText() )
{
if( event->source() == this )
{
event->accept();
}
else
{
event->acceptProposedAction();
}
}
else
{
event->ignore();
}
QPlainTextEdit::dragEnterEvent( event );
}
/*----------------------------------------------------------------------*/
void HBQPlainTextEdit::mouseDoubleClickEvent( QMouseEvent *event )
{
QPlainTextEdit::mouseDoubleClickEvent( event );
@@ -860,15 +950,35 @@ void HBQPlainTextEdit::mousePressEvent( QMouseEvent *event )
{
if( event->buttons() & Qt::LeftButton )
{
setCursorWidth( 1 );
if( ! isSelectionPersistent )
QTextCursor c( cursorForPosition( event->pos() ) );
int row = c.blockNumber();
if( selectionState == 1 && row >= rowBegins && row <= rowEnds )
{
selectionState = 0;
hbClearSelection();
event->ignore();
QDrag * qDrag = new QDrag( this );
QMimeData * qMimeData = new QMimeData();
qMimeData->setText( " " );
qDrag->setMimeData( qMimeData );
qDrag->exec( Qt::MoveAction | Qt::CopyAction );
delete qDrag;
emit selectionChanged();
QTextCursor c( textCursor() );
setTextCursor( c );
return;
}
else
{
selectionState = 1;
{
setCursorWidth( 1 );
if( ! isSelectionPersistent )
{
selectionState = 0;
hbClearSelection();
}
else
{
selectionState = 1;
}
}
}
QPlainTextEdit::mousePressEvent( event );
@@ -1043,30 +1153,11 @@ bool HBQPlainTextEdit::hbKeyPressSelectionByApplication( QKeyEvent * event )
break;
}
case Qt::Key_Home:
{
QPlainTextEdit::keyPressEvent( event );
columnEnds = textCursor().columnNumber();
break;
}
case Qt::Key_End:
{
QPlainTextEdit::keyPressEvent( event );
columnEnds = textCursor().columnNumber();
break;
#if 0
QTextCursor c( textCursor() );
c.movePosition( QTextCursor::EndOfLine, QTextCursor::MoveAnchor );
if( c.columnNumber() <= columnEnds )
{
QPlainTextEdit::keyPressEvent( event );
columnEnds = textCursor().columnNumber();;
}
else
{
event->ignore();
}
break;
#endif
}
case Qt::Key_Up:
case Qt::Key_PageUp:

10
harbour/contrib/hbqt/qtgui/hbqt_hbqplaintextedit.h
View File

@@ -59,7 +59,11 @@
#include <QtGui/QPlainTextEdit>
#include <QtCore/QtCore>
#include <QtCore/QMimeData>
#include <QtGui/QKeyEvent>
#include <QtGui/QDragEnterEvent>
#include <QtGui/QDragMoveEvent>
#include <QtGui/QDropEvent>
#include <QtGui/QTextBlock>
#include <QtGui/QPainter>
#include <QtGui/QMessageBox>
@@ -168,7 +172,8 @@ private:
bool isAliasCompleter;
bool isCodeCompletionActive;
bool isCompletionTipsActive;
bool isInDrag;
protected:
bool event( QEvent * event );
void resizeEvent( QResizeEvent * event );
@@ -179,6 +184,9 @@ protected:
void focusInEvent( QFocusEvent * event );
void keyPressEvent( QKeyEvent * event );
void keyReleaseEvent( QKeyEvent * event );
void dragEnterEvent( QDragEnterEvent * event );
void dragMoveEvent( QDragMoveEvent * event );
void dropEvent( QDropEvent * event );
public slots:
QString hbTextAlias();