@ -1,51 +1,124 @@
# include <QtGui>
# include "UBMagnifer.h"
# include <QPainter>
# include <QPixmap>
# include <QDebug>
# include <QWidget>
# include <QGraphicsView>
# include <QTimerEvent>
# include <QBitmap>
# include <QPen>
UBMagnifer : : UBMagnifer ( QWidget * parent )
: QWidget ( parent )
# include "core/UBApplication.h"
# include "board/UBBoardController.h"
# include "domain/UBGraphicsScene.h"
// #include <QPainter>
// #include <QPixmap>
// #include <QDebug>
// #include <QWidget>
// #include <QGraphicsView>
// #include <QTimerEvent>
// #include <QBitmap>
// #include <QPen>
UBMagnifier : : UBMagnifier ( QWidget * parent , bool isInteractive )
: QWidget ( parent , parent ? Qt : : Widget : Qt : : Tool | ( Qt : : FramelessWindowHint | Qt : : WindowStaysOnTopHint | Qt : : X11BypassWindowManagerHint ) )
, gView ( 0 )
, mView ( 0 )
, sizePercentFromScene ( 20 )
, inTimer ( false )
, borderPen ( Qt : : darkGray )
, mShouldMoveWidget ( false )
, mShouldResizeWidget ( false )
{
borderPen . setWidth ( 2 ) ;
isCusrsorAlreadyStored = false ;
setMouseTracking ( true ) ;
//--------------------------------------------------//
QPixmap pix ( " :/images/cursors/resize.png " ) ;
QTransform tr ;
tr . rotate ( 45 ) ;
mResizeCursor = QCursor ( pix . transformed ( tr , Qt : : SmoothTransformation ) , pix . width ( ) / 2 , pix . height ( ) / 2 ) ;
//--------------------------------------------------//
params . sizePercentFromScene = 20 ;
m_isInteractive = isInteractive ;
sClosePixmap = new QPixmap ( " :/images/close.svg " ) ;
sIncreasePixmap = new QPixmap ( " :/images/increase.svg " ) ;
sDecreasePixmap = new QPixmap ( " :/images/decrease.svg " ) ;
mResizeItem = new QPixmap ( " :/images/resize.svg " ) ;
if ( parent )
{
setAttribute ( Qt : : WA_NoMousePropagation ) ;
}
else
{
// standalone window
// !!!! Should be included into Windows after QT recompilation
# ifndef Q_WS_WIN
setAttribute ( Qt : : WA_TranslucentBackground ) ;
setAttribute ( Qt : : WA_MacAlwaysShowToolWindow ) ;
# endif
# ifdef Q_WS_MAC
setAttribute ( Qt : : WA_MacAlwaysShowToolWindow ) ;
setAttribute ( Qt : : WA_MacNonActivatingToolWindow ) ;
setAttribute ( Qt : : WA_MacNoShadow ) ;
# endif
}
}
UBMagnifer : : ~ UBMagnifer ( )
UBMagnifi er : : ~ UBMagnifi er ( )
{
if ( timerUpdate ! = 0 )
{
killTimer ( timerUpdate ) ;
timerUpdate = 0 ;
}
if ( sClosePixmap )
{
delete sClosePixmap ;
sClosePixmap = NULL ;
}
if ( sIncreasePixmap )
{
delete sIncreasePixmap ;
sIncreasePixmap = NULL ;
}
if ( sDecreasePixmap )
{
delete sDecreasePixmap ;
sDecreasePixmap = NULL ;
}
}
void UBMagnifer : : setSize ( int percentFromScene )
void UBMagnifi er : : setSize ( qreal percentFromScene )
{
if ( gView = = NULL ) return ;
if ( gView = = NULL | | mView = = NULL ) return ;
// calculate object size
sizePercentFromScene = percentFromScene ;
QSize sceneSize = gView - > size ( ) ;
int size = sizePercentFromScene * sceneSize . width ( ) / 100 ;
params . sizePercentFromScene = percentFromScene ;
QSize sceneSize = m View- > size ( ) ;
qreal size = params . sizePercentFromScene * sceneSize . width ( ) / 100 ;
setGeometry ( 0 , 0 , size , size ) ;
QRect currGeom = geometry ( ) ;
if ( currGeom . width ( ) = = currGeom . height ( ) )
{
QPoint newPos = mView - > mapFromGlobal ( updPointMove ) ;
setGeometry ( newPos . x ( ) - size / 2 , newPos . y ( ) - size / 2 , size , size ) ;
}
else
setGeometry ( 0 , 0 , size , size ) ;
// prepare transparent bit mask
QImage mask_img ( width ( ) , height ( ) , QImage : : Format_Mono ) ;
mask_img . fill ( 0xff ) ;
QPainter mask_ptr ( & mask_img ) ;
mask_ptr . setBrush ( QBrush ( QColor ( 0 , 0 , 0 ) ) ) ;
mask_ptr . drawEllipse ( QPoint ( size / 2 , size / 2 ) , size / 2 , size / 2 ) ;
mask_ptr . drawEllipse ( QPointF ( size / 2 , size / 2 ) , size / 2 - sClosePixmap - > width ( ) , size / 2 - sClosePixmap - > width ( ) ) ;
bmpMask = QBitmap : : fromImage ( mask_img ) ;
// prepare general image
@ -54,49 +127,207 @@ void UBMagnifer::setSize(int percentFromScene)
pMap . setMask ( bmpMask ) ;
}
void UBMagnifer : : setZoom ( int z )
void UBMagnifi er : : setZoom ( qreal zoom )
{
zoom = z ;
params . zoom = zoom ;
}
void UBMagnifier : : paintEvent ( QPaintEvent * event )
{
QPainter painter ( this ) ;
// painter.drawRect(0,0,size().width()-1, size().height()-1);
zWidth = size ( ) . width ( ) / zoom ;
zWidthHalf = zWidth / 2 ;
zHeight = size ( ) . height ( ) / zoom ;
zHeightHalf = zHeight / 2 ;
painter . setRenderHint ( QPainter : : Antialiasing ) ;
painter . setPen ( Qt : : NoPen ) ;
if ( m_isInteractive )
{
painter . setBrush ( QColor ( 127 , 127 , 127 , 127 ) ) ;
painter . drawRoundedRect ( QRectF ( size ( ) . width ( ) / 2 , size ( ) . height ( ) / 2 , ( size ( ) . width ( ) - sClosePixmap - > width ( ) ) / 2 , ( size ( ) . height ( ) - sClosePixmap - > width ( ) ) / 2 ) , 15 , 15 ) ;
painter . setBrush ( QColor ( 190 , 190 , 190 , 255 ) ) ;
painter . drawEllipse ( QPoint ( size ( ) . width ( ) / 2 , size ( ) . height ( ) / 2 ) , ( size ( ) . width ( ) - sClosePixmap - > width ( ) ) / 2 , ( size ( ) . height ( ) - sClosePixmap - > height ( ) ) / 2 ) ;
painter . drawPixmap ( size ( ) . width ( ) - sClosePixmap - > width ( ) , size ( ) . height ( ) / 2 + sClosePixmap - > height ( ) * 1 , * sClosePixmap ) ;
painter . drawPixmap ( size ( ) . width ( ) - sIncreasePixmap - > width ( ) , size ( ) . height ( ) / 2 + sIncreasePixmap - > height ( ) * 2.5 , * sIncreasePixmap ) ;
painter . drawPixmap ( size ( ) . width ( ) - sDecreasePixmap - > width ( ) , size ( ) . height ( ) / 2 + sDecreasePixmap - > height ( ) * 3.6 , * sDecreasePixmap ) ;
painter . drawPixmap ( size ( ) . width ( ) - mResizeItem - > width ( ) - 20 , size ( ) . height ( ) - mResizeItem - > height ( ) - 20 , * mResizeItem ) ;
}
else
{
painter . setBrush ( QColor ( 127 , 127 , 127 , 127 ) ) ;
painter . drawEllipse ( QPoint ( size ( ) . width ( ) / 2 , size ( ) . height ( ) / 2 ) , ( size ( ) . width ( ) - sClosePixmap - > width ( ) ) / 2 , ( size ( ) . height ( ) - sClosePixmap - > height ( ) ) / 2 ) ;
}
painter . drawPixmap ( 0 , 0 , pMap ) ;
}
void UBMagnifer : : paintEvent ( QPaintEvent * )
void UBMagnifi er : : mousePressEvent ( QMouseEvent * event )
{
QPainter p ( this ) ;
p . drawPixmap ( 0 , 0 , pMap ) ;
// in future replace to image border
QPen pen ( Qt : : darkGray ) ;
pen . setWidth ( 2 ) ;
p . setPen ( borderPen ) ;
p . drawEllipse ( QPoint ( size ( ) . width ( ) / 2 , size ( ) . height ( ) / 2 ) , size ( ) . width ( ) / 2 , size ( ) . height ( ) / 2 ) ;
if ( m_isInteractive )
{
QWidget : : mousePressEvent ( event ) ;
if ( event - > pos ( ) . x ( ) > = size ( ) . width ( ) - mResizeItem - > width ( ) - 20 & &
event - > pos ( ) . x ( ) < size ( ) . width ( ) - 20 & &
event - > pos ( ) . y ( ) > = size ( ) . height ( ) - mResizeItem - > height ( ) - 20 & &
event - > pos ( ) . y ( ) < size ( ) . height ( ) - - 20 )
{
mShouldResizeWidget = true ;
}
else
{
mShouldMoveWidget = ! event - > isAccepted ( ) & & ( event - > buttons ( ) & Qt : : LeftButton ) ;
}
mMousePressPos = event - > pos ( ) ;
mMousePressDelta = ( qreal ) updPointGrab . x ( ) + ( qreal ) size ( ) . width ( ) / 2 - ( qreal ) event - > globalPos ( ) . x ( ) ;
event - > accept ( ) ;
update ( ) ;
}
else
event - > ignore ( ) ;
}
void UBMagnifer : : timerEvent ( QTimerEvent * e )
void UBMagnifier : : mouseMoveEvent ( QMouseEvent * event )
{
if ( m_isInteractive )
{
if ( mShouldMoveWidget & & ( event - > buttons ( ) & Qt : : LeftButton ) )
{
QPoint offset = event - > pos ( ) - mMousePressPos ;
move ( pos ( ) - mMousePressPos + event - > pos ( ) ) ;
event - > accept ( ) ;
QWidget : : mouseMoveEvent ( event ) ;
emit magnifierMoved_Signal ( QPoint ( this - > pos ( ) . x ( ) + size ( ) . width ( ) / 2 , this - > pos ( ) . y ( ) + size ( ) . height ( ) / 2 ) ) ;
return ;
}
if ( mShouldResizeWidget & & ( event - > buttons ( ) & Qt : : LeftButton ) )
{
QPoint currGlobalPos = event - > globalPos ( ) ;
qreal cvW = mView - > width ( ) ;
qreal newXSize = ( currGlobalPos . x ( ) + mMousePressDelta - updPointGrab . x ( ) ) * 2 ;
qreal newPercentSize = newXSize * 100 / cvW ;
emit magnifierResized_Signal ( newPercentSize ) ;
event - > ignore ( ) ;
return ;
}
if ( event - > pos ( ) . x ( ) > = size ( ) . width ( ) - mResizeItem - > width ( ) - 20 & &
event - > pos ( ) . x ( ) < size ( ) . width ( ) - 20 & &
event - > pos ( ) . y ( ) > = size ( ) . height ( ) - mResizeItem - > height ( ) - 20 & &
event - > pos ( ) . y ( ) < size ( ) . height ( ) - - 20 & &
isCusrsorAlreadyStored = = false
)
{
mOldCursor = cursor ( ) ;
isCusrsorAlreadyStored = true ;
setCursor ( mResizeCursor ) ;
}
}
else
event - > ignore ( ) ;
}
void UBMagnifier : : mouseReleaseEvent ( QMouseEvent * event )
{
if ( m_isInteractive )
{
mShouldMoveWidget = false ;
mShouldResizeWidget = false ;
if ( event - > pos ( ) . x ( ) > = size ( ) . width ( ) - sClosePixmap - > width ( ) & &
event - > pos ( ) . x ( ) < size ( ) . width ( ) & &
event - > pos ( ) . y ( ) > = size ( ) . height ( ) / 2 + sClosePixmap - > height ( ) * 1 & &
event - > pos ( ) . y ( ) < size ( ) . height ( ) / 2 + sClosePixmap - > height ( ) * 2 )
{
event - > accept ( ) ;
emit magnifierClose_Signal ( ) ;
}
else
if ( event - > pos ( ) . x ( ) > = size ( ) . width ( ) - sIncreasePixmap - > width ( ) & &
event - > pos ( ) . x ( ) < size ( ) . width ( ) & &
event - > pos ( ) . y ( ) > = size ( ) . height ( ) / 2 + sIncreasePixmap - > height ( ) * 2.5 & &
event - > pos ( ) . y ( ) < size ( ) . height ( ) / 2 + sIncreasePixmap - > height ( ) * 3.5 )
{
event - > accept ( ) ;
emit magnifierZoomIn_Signal ( ) ;
}
else
if ( event - > pos ( ) . x ( ) > = size ( ) . width ( ) - sDecreasePixmap - > width ( ) & &
event - > pos ( ) . x ( ) < size ( ) . width ( ) & &
event - > pos ( ) . y ( ) > = size ( ) . height ( ) / 2 + sDecreasePixmap - > height ( ) * 3.6 & &
event - > pos ( ) . y ( ) < size ( ) . height ( ) / 2 + sDecreasePixmap - > height ( ) * 4.6 )
{
event - > accept ( ) ;
emit magnifierZoomOut_Signal ( ) ;
}
else
QWidget : : mouseReleaseEvent ( event ) ; // don't propgate to parent, the widget is deleted in UBApplication::boardController->removeTool
}
else
event - > ignore ( ) ;
}
void UBMagnifier : : timerEvent ( QTimerEvent * e )
{
if ( inTimer ) return ;
if ( e - > timerId ( ) = = timerUpdate )
{
inTimer = true ;
if ( ! ( updPoint . isNull ( ) ) ) grabPoint ( updPoint ) ;
if ( ! ( updPointF . isNull ( ) ) ) grabPoint ( updPointF ) ;
if ( ! ( updPointGrab . isNull ( ) ) )
grabPoint ( updPointGrab ) ;
if ( isCusrsorAlreadyStored )
{
QPoint globalCursorPos = QCursor : : pos ( ) ;
QPoint cursorPos = mapFromGlobal ( globalCursorPos ) ;
if ( cursorPos . x ( ) < size ( ) . width ( ) - mResizeItem - > width ( ) - 20 | |
cursorPos . x ( ) > size ( ) . width ( ) - 20 | |
cursorPos . y ( ) < size ( ) . height ( ) - mResizeItem - > height ( ) - 20 | |
cursorPos . y ( ) > size ( ) . height ( ) - - 20
)
{
isCusrsorAlreadyStored = false ;
setCursor ( mOldCursor ) ;
}
}
inTimer = false ;
}
}
void UBMagnifer : : grabPoint ( const QPoint & point )
void UBMagnifi er : : grabPoint ( )
{
QPointF itemPos = gView - > mapFromGlobal ( point ) ;
QPointF itemPos = gView - > mapFromGlobal ( updPointGrab ) ;
qreal zWidth = size ( ) . width ( ) / params . zoom ;
qreal zWidthHalf = zWidth / 2 ;
qreal zHeight = size ( ) . height ( ) / params . zoom ;
qreal zHeightHalf = zHeight / 2 ;
int x = itemPos . x ( ) - zWidthHalf ;
int y = itemPos . y ( ) - zHeightHalf ;
QPixmap newPixMap ( QSize ( zWidth , zHeight ) ) ;
( ( QWidget * ) gView ) - > render ( & newPixMap , QPoint ( 0 , 0 ) , QRegion ( x , y , zWidth , zHeight ) ) ;
UBApplication : : boardController - > activeScene ( ) - > update ( ) ;
pMap . fill ( Qt : : transparent ) ;
pMap = newPixMap . scaled ( QSize ( width ( ) , height ( ) ) ) ;
pMap . setMask ( bmpMask ) ;
@ -104,15 +335,23 @@ void UBMagnifer::grabPoint(const QPoint &point)
update ( ) ;
}
void UBMagnifer : : grabPoint ( const QPointF & point )
void UBMagnifi er : : grabPoint ( const QPoint & pGrab )
{
QPoint itemPos = gView - > mapFromScene ( point ) ;
updPointGrab = pGrab ;
QPointF itemPos = gView - > mapFromGlobal ( pGrab ) ;
qreal zWidth = size ( ) . width ( ) / params . zoom ;
qreal zWidthHalf = zWidth / 2 ;
qreal zHeight = size ( ) . height ( ) / params . zoom ;
qreal zHeightHalf = zHeight / 2 ;
int x = itemPos . x ( ) - zWidthHalf ;
int y = itemPos . y ( ) - zHeightHalf ;
QPixmap newPixMap ( QSize ( zWidth , zHeight ) ) ;
( ( QWidget * ) gView ) - > render ( & newPixMap , QPoint ( 0 , 0 ) , QRegion ( x , y , zWidth , zHeight ) ) ;
UBApplication : : boardController - > activeScene ( ) - > update ( ) ;
pMap . fill ( Qt : : transparent ) ;
pMap = newPixMap . scaled ( QSize ( width ( ) , height ( ) ) ) ;
pMap . setMask ( bmpMask ) ;
@ -120,32 +359,24 @@ void UBMagnifer::grabPoint(const QPointF &point)
update ( ) ;
}
// from global
void UBMagnifer : : grabNMove ( const QPoint & point , bool needGrab = tru e )
void UBMagnifi er : : grabNMove ( const QPoint & pGrab , const QP oint & pMove , bool needGrab , bool needMov e)
{
updPoint = point ;
updPointGrab = pGrab ;
updPointMove = pMove ;
if ( needGrab )
grabPoint ( point ) ;
QPoint itemPos = mView - > mapFromGlobal ( point ) ;
move ( itemPos . x ( ) - width ( ) / 2 , itemPos . y ( ) - height ( ) / 2 ) ;
// move(itemPos.x(), itemPos.y());
}
grabPoint ( pGrab ) ;
// from scene
void UBMagnifer : : grabNMove ( const QPointF & point , bool needGrab = true )
{
updPointF = point ;
if ( needGrab )
grabPoint ( point ) ;
QPoint itemPos = mView - > mapFromScene ( point ) ;
move ( itemPos . x ( ) - width ( ) / 2 , itemPos . y ( ) - height ( ) / 2 ) ;
// move(itemPos.x(), itemPos.y());
if ( needMove )
{
QPoint movePos = mView - > mapFromGlobal ( pMove ) ;
move ( movePos . x ( ) - width ( ) / 2 , movePos . y ( ) - height ( ) / 2 ) ;
// move(itemPos.x(), itemPos.y());
}
}
void UBMagnifer : : setGrabView ( QGraphicsView * view )
void UBMagnifier : : setGrabView ( QWidget * view )
{
if ( timerUpdate ! = 0 )
killTimer ( timerUpdate ) ;
Anatoly Mihalchenko
14 years ago
