#include <klocale.h>
#include <KWindowSystem>
-RegionGrabber::RegionGrabber( ) :
- QWidget( 0 ), selection(), mouseDown( false ), newSelection( false ),
- handleSize( 10 ), mouseOverHandle( 0 ), idleTimer(),
- showHelp( true ), grabbing( false ),
- TLHandle(0,0,handleSize,handleSize), TRHandle(0,0,handleSize,handleSize),
- BLHandle(0,0,handleSize,handleSize), BRHandle(0,0,handleSize,handleSize),
- LHandle(0,0,handleSize,handleSize), THandle(0,0,handleSize,handleSize),
- RHandle(0,0,handleSize,handleSize), BHandle(0,0,handleSize,handleSize)
+RegionGrabber::RegionGrabber() :
+ QWidget(0),
+ selection(),
+ mouseDown(false),
+ newSelection(false),
+ handleSize(10),
+ mouseOverHandle(0),
+ idleTimer(),
+ showHelp(true),
+ grabbing(false),
+ TLHandle(0, 0, handleSize, handleSize),
+ TRHandle(0, 0, handleSize, handleSize),
+ BLHandle(0, 0, handleSize, handleSize),
+ BRHandle(0, 0, handleSize, handleSize),
+ LHandle(0, 0, handleSize, handleSize),
+ THandle(0, 0, handleSize, handleSize),
+ RHandle(0, 0, handleSize, handleSize),
+ BHandle(0, 0, handleSize, handleSize)
{
handles << &TLHandle << &TRHandle << &BLHandle << &BRHandle
- << &LHandle << &THandle << &RHandle << &BHandle;
- setMouseTracking( true );
- setWindowFlags( Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint | Qt::X11BypassWindowManagerHint);
+ << &LHandle << &THandle << &RHandle << &BHandle;
+ setMouseTracking(true);
+ setWindowFlags(Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint | Qt::X11BypassWindowManagerHint);
int timeout = KWindowSystem::compositingActive() ? 200 : 50;
- QTimer::singleShot( timeout, this, SLOT(init()) );
- connect( &idleTimer, SIGNAL( timeout() ), this, SLOT( displayHelp() ) );
- idleTimer.start( 3000 );
+ QTimer::singleShot(timeout, this, SLOT(init()));
+ connect(&idleTimer, SIGNAL(timeout()), this, SLOT(displayHelp()));
+ idleTimer.start(3000);
}
RegionGrabber::~RegionGrabber()
void RegionGrabber::init()
{
- pixmap = QPixmap::grabWindow( QApplication::desktop()->winId() );
+ pixmap = QPixmap::grabWindow(QApplication::desktop()->winId());
showFullScreen();
- resize( pixmap.size() );
+ resize(pixmap.size());
move(0, 0);
- setCursor( Qt::CrossCursor );
+ setCursor(Qt::CrossCursor);
}
void RegionGrabber::displayHelp()
update();
}
-void RegionGrabber::paintEvent( QPaintEvent* e )
+void RegionGrabber::paintEvent(QPaintEvent* e)
{
- Q_UNUSED( e );
- if ( grabbing ) // grabWindow() should just get the background
+ Q_UNUSED(e)
+ if (grabbing) // grabWindow() should just get the background
return;
- QPainter painter( this );
+ QPainter painter(this);
QPalette pal(QToolTip::palette());
QFont font = QToolTip::font();
- QColor handleColor = pal.color( QPalette::Active, QPalette::Highlight );
- handleColor.setAlpha( 160 );
- QColor overlayColor( 0, 0, 0, 160 );
- QColor textColor = pal.color( QPalette::Active, QPalette::Text );
- QColor textBackgroundColor = pal.color( QPalette::Active, QPalette::Base );
+ QColor handleColor = pal.color(QPalette::Active, QPalette::Highlight);
+ handleColor.setAlpha(160);
+ QColor overlayColor(0, 0, 0, 160);
+ QColor textColor = pal.color(QPalette::Active, QPalette::Text);
+ QColor textBackgroundColor = pal.color(QPalette::Active, QPalette::Base);
painter.drawPixmap(0, 0, pixmap);
painter.setFont(font);
-
- QRect r = selection.normalized().adjusted( 0, 0, -1, -1 );
- if ( !selection.isNull() )
- {
- QRegion grey( rect() );
- grey = grey.subtracted( r );
- painter.setPen( handleColor );
- painter.setBrush( overlayColor );
- painter.setClipRegion( grey );
- painter.drawRect( -1, -1, rect().width() + 1, rect().height() + 1 );
- painter.setClipRect( rect() );
- painter.setBrush( Qt::NoBrush );
- painter.drawRect( r );
+
+ QRect r = selection.normalized().adjusted(0, 0, -1, -1);
+ if (!selection.isNull()) {
+ QRegion grey(rect());
+ grey = grey.subtracted(r);
+ painter.setPen(handleColor);
+ painter.setBrush(overlayColor);
+ painter.setClipRegion(grey);
+ painter.drawRect(-1, -1, rect().width() + 1, rect().height() + 1);
+ painter.setClipRect(rect());
+ painter.setBrush(Qt::NoBrush);
+ painter.drawRect(r);
}
- if ( showHelp )
- {
- painter.setPen( textColor );
- painter.setBrush( textBackgroundColor );
- QString helpText = i18n( "Select a region using the mouse. To take the snapshot, press the Enter key. Press Esc to quit." );
- QRect textRect = painter.boundingRect( rect().adjusted( 2, 2, -2, -2 ), Qt::TextWordWrap, helpText );
- textRect.adjust( -2, -2, 4, 2 );
- painter.drawRect( textRect );
- textRect.moveTopLeft( QPoint( 3, 3 ) );
- painter.drawText( textRect, helpText );
+ if (showHelp) {
+ painter.setPen(textColor);
+ painter.setBrush(textBackgroundColor);
+ QString helpText = i18n("Select a region using the mouse. To take the snapshot, press the Enter key. Press Esc to quit.");
+ QRect textRect = painter.boundingRect(rect().adjusted(2, 2, -2, -2), Qt::TextWordWrap, helpText);
+ textRect.adjust(-2, -2, 4, 2);
+ painter.drawRect(textRect);
+ textRect.moveTopLeft(QPoint(3, 3));
+ painter.drawText(textRect, helpText);
}
- if ( selection.isNull() )
- {
+ if (selection.isNull()) {
return;
}
// The grabbed region is everything which is covered by the drawn
// rectangles (border included). This means that there is no 0px
// selection, since a 0px wide rectangle will always be drawn as a line.
- QString txt = QString( "%1x%2" ).arg( selection.width() == 0 ? 2 : selection.width() )
- .arg( selection.height() == 0 ? 2 : selection.height() );
- QRect textRect = painter.boundingRect( rect(), Qt::AlignLeft, txt );
- QRect boundingRect = textRect.adjusted( -4, 0, 0, 0);
-
- if ( textRect.width() < r.width() - 2*handleSize &&
- textRect.height() < r.height() - 2*handleSize &&
- ( r.width() > 100 && r.height() > 100 ) ) // center, unsuitable for small selections
- {
- boundingRect.moveCenter( r.center() );
- textRect.moveCenter( r.center() );
- }
- else if ( r.y() - 3 > textRect.height() &&
- r.x() + textRect.width() < rect().right() ) // on top, left aligned
- {
- boundingRect.moveBottomLeft( QPoint( r.x(), r.y() - 3 ) );
- textRect.moveBottomLeft( QPoint( r.x() + 2, r.y() - 3 ) );
- }
- else if ( r.x() - 3 > textRect.width() ) // left, top aligned
- {
- boundingRect.moveTopRight( QPoint( r.x() - 3, r.y() ) );
- textRect.moveTopRight( QPoint( r.x() - 5, r.y() ) );
- }
- else if ( r.bottom() + 3 + textRect.height() < rect().bottom() &&
- r.right() > textRect.width() ) // at bottom, right aligned
- {
- boundingRect.moveTopRight( QPoint( r.right(), r.bottom() + 3 ) );
- textRect.moveTopRight( QPoint( r.right() - 2, r.bottom() + 3 ) );
- }
- else if ( r.right() + textRect.width() + 3 < rect().width() ) // right, bottom aligned
- {
- boundingRect.moveBottomLeft( QPoint( r.right() + 3, r.bottom() ) );
- textRect.moveBottomLeft( QPoint( r.right() + 5, r.bottom() ) );
+ QString txt = QString("%1x%2").arg(selection.width() == 0 ? 2 : selection.width())
+ .arg(selection.height() == 0 ? 2 : selection.height());
+ QRect textRect = painter.boundingRect(rect(), Qt::AlignLeft, txt);
+ QRect boundingRect = textRect.adjusted(-4, 0, 0, 0);
+
+ if (textRect.width() < r.width() - 2*handleSize &&
+ textRect.height() < r.height() - 2*handleSize &&
+ (r.width() > 100 && r.height() > 100)) { // center, unsuitable for small selections
+ boundingRect.moveCenter(r.center());
+ textRect.moveCenter(r.center());
+ } else if (r.y() - 3 > textRect.height() &&
+ r.x() + textRect.width() < rect().right()) { // on top, left aligned
+ boundingRect.moveBottomLeft(QPoint(r.x(), r.y() - 3));
+ textRect.moveBottomLeft(QPoint(r.x() + 2, r.y() - 3));
+ } else if (r.x() - 3 > textRect.width()) { // left, top aligned
+ boundingRect.moveTopRight(QPoint(r.x() - 3, r.y()));
+ textRect.moveTopRight(QPoint(r.x() - 5, r.y()));
+ } else if (r.bottom() + 3 + textRect.height() < rect().bottom() &&
+ r.right() > textRect.width()) { // at bottom, right aligned
+ boundingRect.moveTopRight(QPoint(r.right(), r.bottom() + 3));
+ textRect.moveTopRight(QPoint(r.right() - 2, r.bottom() + 3));
+ } else if (r.right() + textRect.width() + 3 < rect().width()) { // right, bottom aligned
+ boundingRect.moveBottomLeft(QPoint(r.right() + 3, r.bottom()));
+ textRect.moveBottomLeft(QPoint(r.right() + 5, r.bottom()));
}
// if the above didn't catch it, you are running on a very tiny screen...
- painter.setPen( textColor );
- painter.setBrush( textBackgroundColor );
- painter.drawRect( boundingRect );
- painter.drawText( textRect, txt );
-
- if ( ( r.height() > handleSize*2 && r.width() > handleSize*2 )
- || !mouseDown )
- {
+ painter.setPen(textColor);
+ painter.setBrush(textBackgroundColor);
+ painter.drawRect(boundingRect);
+ painter.drawText(textRect, txt);
+
+ if ((r.height() > handleSize*2 && r.width() > handleSize*2)
+ || !mouseDown) {
updateHandles();
- painter.setPen( handleColor );
- handleColor.setAlpha( 60 );
- painter.setBrush( handleColor );
- painter.drawRects( handleMask().rects() );
+ painter.setPen(handleColor);
+ handleColor.setAlpha(60);
+ painter.setBrush(handleColor);
+ painter.drawRects(handleMask().rects());
}
}
-void RegionGrabber::resizeEvent( QResizeEvent* e )
+void RegionGrabber::resizeEvent(QResizeEvent* e)
{
- Q_UNUSED( e );
- if ( selection.isNull() )
+ Q_UNUSED(e)
+ if (selection.isNull())
return;
QRect r = selection;
- r.setTopLeft( limitPointToRect( r.topLeft(), rect() ) );
- r.setBottomRight( limitPointToRect( r.bottomRight(), rect() ) );
- if ( r.width() <= 1 || r.height() <= 1 ) //this just results in ugly drawing...
+ r.setTopLeft(limitPointToRect(r.topLeft(), rect()));
+ r.setBottomRight(limitPointToRect(r.bottomRight(), rect()));
+ if (r.width() <= 1 || r.height() <= 1) //this just results in ugly drawing...
r = QRect();
selection = r;
}
-void RegionGrabber::mousePressEvent( QMouseEvent* e )
+void RegionGrabber::mousePressEvent(QMouseEvent* e)
{
showHelp = false;
idleTimer.stop();
- if ( e->button() == Qt::LeftButton )
- {
+ if (e->button() == Qt::LeftButton) {
mouseDown = true;
dragStartPoint = e->pos();
selectionBeforeDrag = selection;
- if ( !selection.contains( e->pos() ) )
- {
+ if (!selection.contains(e->pos())) {
newSelection = true;
selection = QRect();
showHelp = true;
+ } else {
+ setCursor(Qt::ClosedHandCursor);
}
- else
- {
- setCursor( Qt::ClosedHandCursor );
- }
- }
- else if ( e->button() == Qt::RightButton )
- {
+ } else if (e->button() == Qt::RightButton) {
newSelection = false;
selection = QRect();
- setCursor( Qt::CrossCursor );
+ setCursor(Qt::CrossCursor);
}
update();
}
-void RegionGrabber::mouseMoveEvent( QMouseEvent* e )
+void RegionGrabber::mouseMoveEvent(QMouseEvent* e)
{
- if ( mouseDown )
- {
- if ( newSelection )
- {
+ if (mouseDown) {
+ if (newSelection) {
QPoint p = e->pos();
QRect r = rect();
- selection = QRect( dragStartPoint, limitPointToRect( p, r ) ).normalized();
- }
- else if ( mouseOverHandle == 0 ) // moving the whole selection
- {
+ selection = QRect(dragStartPoint, limitPointToRect(p, r)).normalized();
+ } else if (mouseOverHandle == 0) { // moving the whole selection
QRect r = rect().normalized(), s = selectionBeforeDrag.normalized();
QPoint p = s.topLeft() + e->pos() - dragStartPoint;
- r.setBottomRight( r.bottomRight() - QPoint( s.width(), s.height() ) );
- if ( !r.isNull() && r.isValid() )
- selection.moveTo( limitPointToRect( p, r ) );
- }
- else // dragging a handle
- {
+ r.setBottomRight(r.bottomRight() - QPoint(s.width(), s.height()));
+ if (!r.isNull() && r.isValid())
+ selection.moveTo(limitPointToRect(p, r));
+ } else { // dragging a handle
QRect r = selectionBeforeDrag;
QPoint offset = e->pos() - dragStartPoint;
- if ( mouseOverHandle == &TLHandle || mouseOverHandle == &THandle
- || mouseOverHandle == &TRHandle ) // dragging one of the top handles
- {
- r.setTop( r.top() + offset.y() );
+ if (mouseOverHandle == &TLHandle || mouseOverHandle == &THandle
+ || mouseOverHandle == &TRHandle) { // dragging one of the top handles
+ r.setTop(r.top() + offset.y());
}
- if ( mouseOverHandle == &TLHandle || mouseOverHandle == &LHandle
- || mouseOverHandle == &BLHandle ) // dragging one of the left handles
- {
- r.setLeft( r.left() + offset.x() );
+ if (mouseOverHandle == &TLHandle || mouseOverHandle == &LHandle
+ || mouseOverHandle == &BLHandle) { // dragging one of the left handles
+ r.setLeft(r.left() + offset.x());
}
- if ( mouseOverHandle == &BLHandle || mouseOverHandle == &BHandle
- || mouseOverHandle == &BRHandle ) // dragging one of the bottom handles
- {
- r.setBottom( r.bottom() + offset.y() );
+ if (mouseOverHandle == &BLHandle || mouseOverHandle == &BHandle
+ || mouseOverHandle == &BRHandle) { // dragging one of the bottom handles
+ r.setBottom(r.bottom() + offset.y());
}
- if ( mouseOverHandle == &TRHandle || mouseOverHandle == &RHandle
- || mouseOverHandle == &BRHandle ) // dragging one of the right handles
- {
- r.setRight( r.right() + offset.x() );
+ if (mouseOverHandle == &TRHandle || mouseOverHandle == &RHandle
+ || mouseOverHandle == &BRHandle) { // dragging one of the right handles
+ r.setRight(r.right() + offset.x());
}
r = r.normalized();
- r.setTopLeft( limitPointToRect( r.topLeft(), rect() ) );
- r.setBottomRight( limitPointToRect( r.bottomRight(), rect() ) );
+ r.setTopLeft(limitPointToRect(r.topLeft(), rect()));
+ r.setBottomRight(limitPointToRect(r.bottomRight(), rect()));
selection = r;
}
update();
- }
- else
- {
- if ( selection.isNull() )
+ } else {
+ if (selection.isNull())
return;
bool found = false;
- foreach( QRect* r, handles )
- {
- if ( r->contains( e->pos() ) )
- {
+ foreach(QRect* r, handles) {
+ if (r->contains(e->pos())) {
mouseOverHandle = r;
found = true;
break;
}
}
- if ( !found )
- {
+ if (!found) {
mouseOverHandle = 0;
- if ( selection.contains( e->pos() ) )
- setCursor( Qt::OpenHandCursor );
+ if (selection.contains(e->pos()))
+ setCursor(Qt::OpenHandCursor);
else
- setCursor( Qt::CrossCursor );
- }
- else
- {
- if ( mouseOverHandle == &TLHandle || mouseOverHandle == &BRHandle )
- setCursor( Qt::SizeFDiagCursor );
- if ( mouseOverHandle == &TRHandle || mouseOverHandle == &BLHandle )
- setCursor( Qt::SizeBDiagCursor );
- if ( mouseOverHandle == &LHandle || mouseOverHandle == &RHandle )
- setCursor( Qt::SizeHorCursor );
- if ( mouseOverHandle == &THandle || mouseOverHandle == &BHandle )
- setCursor( Qt::SizeVerCursor );
+ setCursor(Qt::CrossCursor);
+ } else {
+ if (mouseOverHandle == &TLHandle || mouseOverHandle == &BRHandle)
+ setCursor(Qt::SizeFDiagCursor);
+ if (mouseOverHandle == &TRHandle || mouseOverHandle == &BLHandle)
+ setCursor(Qt::SizeBDiagCursor);
+ if (mouseOverHandle == &LHandle || mouseOverHandle == &RHandle)
+ setCursor(Qt::SizeHorCursor);
+ if (mouseOverHandle == &THandle || mouseOverHandle == &BHandle)
+ setCursor(Qt::SizeVerCursor);
}
}
}
-void RegionGrabber::mouseReleaseEvent( QMouseEvent* e )
+void RegionGrabber::mouseReleaseEvent(QMouseEvent* e)
{
mouseDown = false;
newSelection = false;
idleTimer.start();
- if ( mouseOverHandle == 0 && selection.contains( e->pos() ) )
- setCursor( Qt::OpenHandCursor );
+ if (mouseOverHandle == 0 && selection.contains(e->pos()))
+ setCursor(Qt::OpenHandCursor);
update();
}
-void RegionGrabber::mouseDoubleClickEvent( QMouseEvent* )
+void RegionGrabber::mouseDoubleClickEvent(QMouseEvent*)
{
grabRect();
}
-void RegionGrabber::keyPressEvent( QKeyEvent* e )
+void RegionGrabber::keyPressEvent(QKeyEvent* e)
{
- if ( e->key() == Qt::Key_Escape )
- {
- emit regionGrabbed( QRect() );
- close();
- }
- else if ( e->key() == Qt::Key_Enter || e->key() == Qt::Key_Return )
- {
+ if (e->key() == Qt::Key_Escape) {
+ emit regionGrabbed(QRect());
+ close();
+ } else if (e->key() == Qt::Key_Enter || e->key() == Qt::Key_Return) {
grabRect();
- }
- else
- {
+ } else {
e->ignore();
}
}
void RegionGrabber::grabRect()
{
QRect r = selection.normalized();
- if ( !r.isNull() && r.isValid() )
- {
- grabbing = true;
- emit regionGrabbed( r );
+ if (!r.isNull() && r.isValid()) {
+ grabbing = true;
+ emit regionGrabbed(r);
}
- close();
+ close();
}
void RegionGrabber::updateHandles()
{
- QRect r = selection.normalized().adjusted( 0, 0, -1, -1 );
+ QRect r = selection.normalized().adjusted(0, 0, -1, -1);
int s2 = handleSize / 2;
- TLHandle.moveTopLeft( r.topLeft() );
- TRHandle.moveTopRight( r.topRight() );
- BLHandle.moveBottomLeft( r.bottomLeft() );
- BRHandle.moveBottomRight( r.bottomRight() );
+ TLHandle.moveTopLeft(r.topLeft());
+ TRHandle.moveTopRight(r.topRight());
+ BLHandle.moveBottomLeft(r.bottomLeft());
+ BRHandle.moveBottomRight(r.bottomRight());
- LHandle.moveTopLeft( QPoint( r.x(), r.y() + r.height() / 2 - s2) );
- THandle.moveTopLeft( QPoint( r.x() + r.width() / 2 - s2, r.y() ) );
- RHandle.moveTopRight( QPoint( r.right(), r.y() + r.height() / 2 - s2 ) );
- BHandle.moveBottomLeft( QPoint( r.x() + r.width() / 2 - s2, r.bottom() ) );
+ LHandle.moveTopLeft(QPoint(r.x(), r.y() + r.height() / 2 - s2));
+ THandle.moveTopLeft(QPoint(r.x() + r.width() / 2 - s2, r.y()));
+ RHandle.moveTopRight(QPoint(r.right(), r.y() + r.height() / 2 - s2));
+ BHandle.moveBottomLeft(QPoint(r.x() + r.width() / 2 - s2, r.bottom()));
}
QRegion RegionGrabber::handleMask() const
{
// note: not normalized QRects are bad here, since they will not be drawn
QRegion mask;
- foreach( QRect* rect, handles ) mask += QRegion( *rect );
+ foreach(const QRect* rect, handles) mask += QRegion(*rect);
return mask;
}
-QPoint RegionGrabber::limitPointToRect( const QPoint &p, const QRect &r ) const
+QPoint RegionGrabber::limitPointToRect(const QPoint &p, const QRect &r) const
{
QPoint q;
- q.setX( p.x() < r.x() ? r.x() : p.x() < r.right() ? p.x() : r.right() );
- q.setY( p.y() < r.y() ? r.y() : p.y() < r.bottom() ? p.y() : r.bottom() );
+ q.setX(p.x() < r.x() ? r.x() : p.x() < r.right() ? p.x() : r.right());
+ q.setY(p.y() < r.y() ? r.y() : p.y() < r.bottom() ? p.y() : r.bottom());
return q;
}
projects / kdenlive / blobdiff