src/msw/renderer.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/renderer.cpp
   3 // Purpose:     implementation of wxRendererNative for Windows
   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     #include "wx/string.h"
  29     #include "wx/window.h"
  30     #include "wx/dc.h"
  31 #endif //WX_PRECOMP
  32
  33 #include "wx/renderer.h"
  34
  35 #include "wx/msw/uxtheme.h"
  36
  37 // ----------------------------------------------------------------------------
  38 // wxRendererMSW: wxRendererNative implementation for "old" Win32 systems
  39 // ----------------------------------------------------------------------------
  40
  41 class WXDLLEXPORT wxRendererMSW : public wxDelegateRendererNative
  42 {
  43 public:
  44     wxRendererMSW() { }
  45
  46     static wxRendererNative& Get();
  47
  48 private:
  49     DECLARE_NO_COPY_CLASS(wxRendererMSW)
  50 };
  51
  52 // ----------------------------------------------------------------------------
  53 // wxRendererXP: wxRendererNative implementation for Windows XP and later
  54 // ----------------------------------------------------------------------------
  55
  56 class WXDLLEXPORT wxRendererXP : public wxDelegateRendererNative
  57 {
  58 public:
  59     wxRendererXP() : wxDelegateRendererNative(wxRendererMSW::Get()) { }
  60
  61     static wxRendererNative& Get();
  62
  63     virtual void DrawSplitterBorder(wxWindow *win,
  64                                     wxDC& dc,
  65                                     const wxRect& rect,
  66                                     int flags = 0);
  67     virtual void DrawSplitterSash(wxWindow *win,
  68                                   wxDC& dc,
  69                                   const wxSize& size,
  70                                   wxCoord position,
  71                                   wxOrientation orient,
  72                                   int flags = 0);
  73     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
  74
  75 private:
  76     DECLARE_NO_COPY_CLASS(wxRendererXP)
  77 };
  78
  79 // ============================================================================
  80 // wxRendererNative and wxRendererMSW implementation
  81 // ============================================================================
  82
  83 /* static */
  84 wxRendererNative& wxRendererNative::GetDefault()
  85 {
  86     wxUxThemeEngine *themeEngine = wxUxThemeEngine::Get();
  87     return themeEngine && themeEngine->IsThemeActive() ? wxRendererXP::Get()
  88                                                        : wxRendererMSW::Get();
  89 }
  90
  91 /* static */
  92 wxRendererNative& wxRendererMSW::Get()
  93 {
  94     static wxRendererMSW s_rendererMSW;
  95
  96     return s_rendererMSW;
  97 }
  98
  99 // ============================================================================
 100 // wxRendererXP implementation
 101 // ============================================================================
 102
 103 /* static */
 104 wxRendererNative& wxRendererXP::Get()
 105 {
 106     static wxRendererXP s_rendererXP;
 107
 108     return s_rendererXP;
 109 }
 110
 111 // ----------------------------------------------------------------------------
 112 // splitter drawing
 113 // ----------------------------------------------------------------------------
 114
 115 // the width of the sash: this is the same as used by Explorer...
 116 static const wxCoord SASH_WIDTH = 4;
 117
 118 wxSplitterRenderParams
 119 wxRendererXP::GetSplitterParams(const wxWindow * WXUNUSED(win))
 120 {
 121     return wxSplitterRenderParams(SASH_WIDTH, 0, false);
 122 }
 123
 124 void
 125 wxRendererXP::DrawSplitterBorder(wxWindow * WXUNUSED(win),
 126                                  wxDC& WXUNUSED(dc),
 127                                  const wxRect& WXUNUSED(rect),
 128                                  int WXUNUSED(flags))
 129 {
 130 }
 131
 132 void
 133 wxRendererXP::DrawSplitterSash(wxWindow *win,
 134                                wxDC& dc,
 135                                const wxSize& size,
 136                                wxCoord position,
 137                                wxOrientation orient,
 138                                int WXUNUSED(flags))
 139 {
 140     // I don't know if it is correct to use the rebar background for the
 141     // splitter but it least this works ok in the default theme
 142     wxUxThemeHandle hTheme(win, L"REBAR");
 143     if ( hTheme )
 144     {
 145         RECT rect;
 146         if ( orient == wxVERTICAL )
 147         {
 148             rect.left = position;
 149             rect.right = position + SASH_WIDTH;
 150             rect.top = 0;
 151             rect.bottom = size.y;
 152         }
 153         else // wxHORIZONTAL
 154         {
 155             rect.left = 0;
 156             rect.right = size.x;
 157             rect.top = position;
 158             rect.bottom = position + SASH_WIDTH;
 159         }
 160
 161         wxUxThemeEngine::Get()->DrawThemeBackground
 162                                 (
 163                                     (WXHTHEME)hTheme,
 164                                     dc.GetHDC(),
 165                                     3 /* RP_BAND */,
 166                                     0 /* no state */ ,
 167                                     &rect,
 168                                     NULL
 169                                 );
 170     }
 171 }
 172