src/gtk1/renderer.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        gtk/renderer.cpp
   3 // Purpose:     implementation of wxRendererBase for wxGTK
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     20.07.2003
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
   9 // License:     wxWindows license
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // for compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #ifndef WX_PRECOMP
  28 #endif // WX_PRECOMP
  29
  30 #include <gtk/gtk.h>
  31 #include "wx/gtk/win_gtk.h"
  32
  33 #include "wx/renderer.h"
  34
  35 // ----------------------------------------------------------------------------
  36 // wxRendererGTK: our wxRendererBase implementation
  37 // ----------------------------------------------------------------------------
  38
  39 class WXDLLEXPORT wxRendererGTK : public wxDelegateRendererBase
  40 {
  41 public:
  42     // draw the header control button (used by wxListCtrl)
  43     virtual void DrawHeaderButton(wxWindow *win,
  44                                   wxDC& dc,
  45                                   const wxRect& rect,
  46                                   int flags = 0);
  47
  48 #ifdef __WXGTK20__
  49     // draw the expanded/collapsed icon for a tree control item
  50     virtual void DrawTreeItemButton(wxWindow *win,
  51                                     wxDC& dc,
  52                                     const wxRect& rect,
  53                                     int flags = 0);
  54 #endif // GTK 2.0
  55
  56 };
  57
  58 // ============================================================================
  59 // implementation
  60 // ============================================================================
  61
  62 /* static */
  63 wxRendererNative& wxRendererGTK::Get()
  64 {
  65     static wxRendererGTK s_rendererGTK;
  66
  67     return s_rendererGTK;
  68 }
  69
  70 void
  71 wxRendererGTK::DrawHeaderButton(wxWindow *win,
  72                                 wxDC& dc,
  73                                 const wxRect& rect,
  74                                 int flags)
  75 {
  76     gtk_paint_box
  77     (
  78         win->m_wxwindow->style,
  79         GTK_PIZZA(win->m_wxwindow)->bin_window,
  80         flags & wxCONTROL_DISABLED ? GTK_STATE_INSENSITIVE : GTK_STATE_NORMAL,
  81         GTK_SHADOW_OUT,
  82         (GdkRectangle*) NULL, m_wxwindow,
  83         (char *)"button", // const_cast
  84         dc.XLOG2DEV(rect.x) - 1, rect.y - 1, rect.width + 2, rect.h + 2
  85     );
  86 }
  87
  88 #ifdef __WXGTK20__
  89
  90 // draw a ">" or "v" button
  91 //
  92 // TODO: isn't there a GTK function to draw it?
  93 void
  94 wxRendererGTK::DrawTreeItemButton(wxDC& dc, const wxRect& rect, int flags)
  95 {
  96     dc.SetBrush(*m_hilightBrush);
  97     dc.SetPen(*wxBLACK_PEN);
  98     wxPoint button[3];
  99
 100     const wxCoord xMiddle = rect.x + rect.width/2;
 101     const wxCoord yMiddle = rect.y + rect.height/2;
 102
 103     if ( flags & wxCONTROL_EXPANDED )
 104     {
 105         button[0].x = rect.GetLeft();
 106         button[0].y = yMiddle - 2;
 107         button[1].x = rect.GetRight();
 108         button[1].y = yMiddle - 2;
 109         button[2].x = xMiddle;
 110         button[2].y = yMiddle + 3;
 111     }
 112     else // collapsed
 113     {
 114         button[0].y = rect.GetBottom();
 115         button[0].x = xMiddle - 2;
 116         button[1].y = rect.GetTop();
 117         button[1].x = xMiddle - 2;
 118         button[2].y = yMiddle;
 119         button[2].x = xMiddle + 3;
 120     }
 121
 122     dc.DrawPolygon(3, button);
 123 }
 124
 125 #endif // GTK 2.0
 126
 127