src/SUIT/SUIT_ToolButton.cxx

   1
   2 #include "SUIT_ToolButton.h"
   3
   4 #include <qpopupmenu.h>
   5 #include <qstyle.h>
   6
   7 /*!Constructor.*/
   8 SUIT_ToolButton::SUIT_ToolButton( QWidget *parent,
   9                                         const char *name,
  10                                         bool changeItemAfterClick)
  11  : QToolButton(  parent, name ),
  12    myChangeItemAfterClick( changeItemAfterClick )
  13 {
  14   initialize();
  15 }
  16
  17 /*!Constructor.*/
  18 SUIT_ToolButton::SUIT_ToolButton( const QPixmap & pm,
  19                                         const QString &textLabel,
  20                                         const QString& grouptext,
  21                                         QObject * receiver,
  22                                         const char* slot,
  23                                         QToolBar * parent,
  24                                         const char* name,
  25                                         bool changeItemAfterClick)
  26  :QToolButton(pm, textLabel, grouptext, receiver, slot, parent, name),
  27   myChangeItemAfterClick( changeItemAfterClick )
  28 {
  29   initialize();
  30 }
  31
  32
  33 /*!Initialize tool buttons.*/
  34 void SUIT_ToolButton::initialize()
  35 {
  36   mySignal = NULL;
  37   myPopup = new QPopupMenu( this );
  38   setPopup(myPopup);
  39   connect( myPopup, SIGNAL(activated(int)), SLOT(OnSelectAction(int)) );
  40   setPopupDelay(250);
  41 }
  42
  43 /*!drawButton is redefined to draw DownArrow*/
  44 void SUIT_ToolButton::drawButton( QPainter * p )
  45 {
  46   QToolButton::drawButton(p);
  47
  48 //draw DownArrow
  49   int x, y, w, h;
  50   QStyle::visualRect(QRect(0, 0, width(), height()), this).rect( &x, &y, &w, &h );
  51   style().drawPrimitive( QStyle::PE_ArrowDown,
  52     p, QRect(x+w/2+3, y+h/2+3, w/2, h/2),   //QRect(x+(w-x)/2, y+(h-y)/2, w, h)
  53     colorGroup(), isEnabled() );
  54 }
  55
  56
  57 /*! Add action into popup*/
  58 void SUIT_ToolButton::AddAction(QAction* theAction)
  59 {
  60   bool aIsFirst = false;
  61   if ( myPopup->count() == 0 )
  62   {
  63     aIsFirst = true;
  64     setPixmap(theAction->iconSet().pixmap());
  65     setTextLabel(theAction->text());
  66     theAction->addTo( myPopup );
  67     QMenuItem* aItem = myPopup->findItem(myPopup->idAt(0));
  68     if (aItem != NULL)
  69     {
  70       mySignal = aItem->signal();
  71     }
  72   }
  73   else
  74     theAction->addTo( myPopup );
  75 }
  76
  77 /*! Sets myPopup item with theIndex as current*/
  78 void SUIT_ToolButton::SetItem(int theIndex)
  79 {
  80   int anId = myPopup->idAt(theIndex);
  81   if (anId != -1)
  82   {
  83     // Protection against unexpected null pointers returned
  84     if ( myPopup->iconSet(anId) )
  85       setPixmap(myPopup->iconSet(anId)->pixmap());
  86     setTextLabel(myPopup->text(anId));
  87     QMenuItem* aItem = myPopup->findItem(anId);
  88     if (aItem != NULL)
  89     {
  90       mySignal = aItem->signal();
  91     }
  92   }
  93 }
  94
  95 /*!Public SLOT.
  96  * On select action (icon and text set with id = \a theItemID)
  97  */
  98 void SUIT_ToolButton::OnSelectAction(int theItemID)
  99 {
 100   if (myChangeItemAfterClick)
 101   {
 102     // Protection against unexpected null pointers returned
 103     if ( myPopup->iconSet(theItemID) )
 104       setPixmap(myPopup->iconSet(theItemID)->pixmap());
 105     setTextLabel(myPopup->text(theItemID));
 106     QMenuItem* aItem = myPopup->findItem(theItemID);
 107     if (aItem != NULL)
 108     {
 109       mySignal = aItem->signal();
 110     }
 111   }
 112 }
 113
 114
 115
 116 /*!On mouse release event.*/
 117 void SUIT_ToolButton::mouseReleaseEvent ( QMouseEvent * theEvent)
 118 {
 119   QToolButton::mouseReleaseEvent(theEvent);
 120   if (mySignal != NULL)
 121   {
 122     mySignal->activate();
 123   }
 124 }
 125
 126