C++ ToolBar::GetRect方法代码示例

void ToolBarResizer::OnMotion( wxMouseEvent & event )
{
   // Go ahead and set the event to propagate
   event.Skip();

   // Retrieve the mouse position
   wxPoint raw_pos = event.GetPosition();
   wxPoint pos = ClientToScreen( raw_pos );

   if( event.Dragging() )
   {
      wxRect r = mBar->GetRect();
      wxSize msz = mBar->GetMinSize();
      wxSize psz = mBar->GetParent()->GetClientSize();

      // Adjust the size by the difference between the
      // last mouse and current mouse positions.
      r.width += ( pos.x - mResizeStart.x );

      // Constrain
      if( r.width < msz.x )
      {
         // Don't allow resizing to go too small
         r.width = msz.x;
      }
      else if( r.GetRight() > psz.x - 3 )
      {
         // Don't allow resizing to go too large
         //
         // The 3 magic pixels are because I'm too chicken to change the
         // calculations in ToolDock::LayoutToolBars() even though I'm
         // the one that set them up.  :-)
         r.SetRight( psz.x - 3 );
      }
      else
      {
         // Remember for next go round
         mResizeStart = pos;
      }

      // Resize the bar
      mBar->SetSize( r.GetSize() );

      // Tell everyone we've changed sizes
      mBar->Updated();

      // Refresh our world
      mBar->GetParent()->Refresh();
      mBar->GetParent()->Update();
   }
}

//
// Determine the location and bar before which a new bar would be placed
//
// 'rect' will be the rectangle for the dock marker.
int ToolDock::PositionBar( ToolBar *t, wxPoint & pos, wxRect & rect )
{
   struct
   {
      wxRect rect;
      wxSize min;
   } tinfo[ ToolBarCount + 1 ];

   wxRect stack[ ToolBarCount + 1 ];
   wxPoint cpos, lpos;
   int ct, lt = 0;
   int ndx, stkcnt = 0;
   int tindx = -1;
   int cnt = mDockedBars.GetCount();
   int width, height;

   // Get size of our parent since we haven't been sized yet
   GetParent()->GetClientSize( &width, &height );
   width -= toolbarGap;
   height -= toolbarGap;

   // Set initial stack entry to maximum size
   stack[ 0 ].SetX( toolbarGap );
   stack[ 0 ].SetY( toolbarGap );
   // The stack width and height are the remaining width and height.
   stack[ 0 ].SetWidth( width );
   stack[ 0 ].SetHeight( height );

   // Process all docked and visible toolbars
   //
   // Careful...slightly different from above in that we expect to
   // process one more bar than is currently docked (<= in for)
   for (ndx = 0, ct = 0; ndx <= cnt; ndx++, ct++)
   {
      // If last entry, then it is the 
      if (ndx == cnt)
      {
         // ...so check to see if the new bar has been placed yet
         if (tindx == -1)
         {
            // Add the new bars' dimensions to the mix
            tinfo[ct].rect = t->GetRect();
            tinfo[ct].min = t->GetDockedSize();
            tindx = ct;
         }
      }
      else
      {
         // Cache toolbar pointer
         ToolBar *b = (ToolBar *)mDockedBars[ndx];

         // Remember current bars' dimensions
         tinfo[ct].rect = b->GetRect();
         tinfo[ct].min = b->GetSize();

         // Maybe insert the new bar if it hasn't already been done
         // and is in the right place.
         if (tindx == -1)
         {
            wxRect r;

            // Get bar rect and make gap part of it
            r.SetPosition(b->GetParent()->ClientToScreen(b->GetPosition()));
            r.SetSize(b->IsResizable() ? b->GetSize() : b->GetSize());
            r.width += toolbarGap;
            r.height += toolbarGap;

            // Does the location fall within this bar?
            if (r.Contains(pos) || pos.y <= r.y)
            {
               // Add the new bars' dimensions to the mix
               tinfo[ct].rect = t->GetRect();
               tinfo[ct].min = t->GetDockedSize();
               tindx = ct;
               ndx--;
            }
         }
      }

      // Get and cache the toolbar sizes
      wxSize sz = tinfo[ct].min;
      int tw = sz.GetWidth() + toolbarGap;
      int th = sz.GetHeight() + toolbarGap;

      // This loop reduces stkcnt until it gives a box
      // that we fit in.
      while (stkcnt > 0)
      {
         // Get out if it will fit
         bool bTooWide = tw > stack[stkcnt].GetWidth();
         // We'd like to be able to add a tall toolbar in at the start of a row,
         // even if there isn't enough height for it.
         // If so, we'd have to at least change how we calculate 'bTooHigh'.
         bool bTooHigh = th > stack[stkcnt].GetHeight();
         //bTooHigh &= stack[stkcnt].GetWidth() < (width - toolbarGap);
         //bTooHigh = false;
//.........这里部分代码省略.........

//
// Determine the location and bar before which a new bar would be placed
//
int ToolDock::PositionBar( ToolBar *t, wxPoint & pos, wxRect & rect )
{
   struct
   {
      wxRect rect;
      wxSize min;
   } tinfo[ ToolBarCount + 1 ];

   wxRect stack[ ToolBarCount + 1 ];
   wxPoint cpos, lpos;
   int ct, lt = 0;
   int ndx, stkcnt = 0;
   int tindx = -1;
   int cnt = mDockedBars.GetCount();
   int width, height;

   // Get size of our parent since we haven't been sized yet
   GetParent()->GetClientSize( &width, &height );
   width -= toolbarGap;
   height -= toolbarGap;

   // Set initial stack entry to maximum size
   stack[ 0 ].SetX( toolbarGap );
   stack[ 0 ].SetY( toolbarGap );
   stack[ 0 ].SetWidth( width );
   stack[ 0 ].SetHeight( height );

   // Process all docked and visible toolbars
   //
   // Careful...slightly different from above in that we expect to
   // process one more bar than is currently docked (<= in for)
   for( ndx = 0, ct = 0; ndx <= cnt; ndx++, ct++ )
   {
      // We're on the last entry...
      if( ndx == cnt )
      {
         // ...so check to see if the new bar has been placed yet
         if( tindx == -1 )
         {
            // Add the new bars' dimensions to the mix
            tinfo[ ct ].rect = t->GetRect();
            tinfo[ ct ].min = t->GetMinSize();
            tindx = ct;
         }
      }
      else
      {
         // Cache toolbar pointer
         ToolBar *b = (ToolBar *) mDockedBars[ ndx ];

         // Remember current bars' dimensions
         tinfo[ ct ].rect = b->GetRect();
         tinfo[ ct ].min = b->GetSize();

         // Insert the new bar if it hasn't already been done
         if( tindx == -1 )
         {
            wxRect r;

            // Get bar rect and make gap part of it
            r.SetPosition( b->GetParent()->ClientToScreen( b->GetPosition() ) );
            r.SetSize( b->IsResizable() ? b->GetSize() : b->GetSize() );
            r.width += toolbarGap;
            r.height += toolbarGap;

            // Does the location fall within this bar?
            if( r.Contains( pos ) || pos.y <= r.y )
            {
               // Add the new bars' dimensions to the mix
               tinfo[ ct ].rect = t->GetRect();
               tinfo[ ct ].min = t->GetSize();
               tindx = ct;
               ndx--;
            }
         }
      }

      // Get and cache the toolbar sizes
      wxSize sz = tinfo[ ct ].min;
      int tw = sz.GetWidth() + toolbarGap;
      int th = sz.GetHeight() + toolbarGap;

      // Will this one fit in remaining horizontal space?
      if( ( tw > stack[ stkcnt ].GetWidth() ) ||
          ( th > stack[ stkcnt ].GetHeight() ) ) 
      {
         // Destack entries until one is found in which this bar
         // will fit or until we run out of stacked entries
         while( stkcnt > 0 )
         {
            stkcnt--;

            // Get out if it will fit
            if( ( tw <= stack[ stkcnt ].GetWidth() ) &&
                ( th <= stack[ stkcnt ].GetHeight() ) )
            {
               break;
//.........这里部分代码省略.........