src/SUIT/SUIT_ToolButton.cxx

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