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 licence
  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/splitter.h"
  34 #include "wx/renderer.h"
  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->IsAppThemed() ? 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 * win)
 120 {
 121     if (win->GetWindowStyle() & wxSP_NO_XP_THEME)
 122         return m_rendererNative.GetSplitterParams(win);
 123     else
 124         return wxSplitterRenderParams(SASH_WIDTH, 0, false);
 125 }
 126
 127 void
 128 wxRendererXP::DrawSplitterBorder(wxWindow * win,
 129                                  wxDC& dc,
 130                                  const wxRect& rect,
 131                                  int flags)
 132 {
 133     if (win->GetWindowStyle() & wxSP_NO_XP_THEME)
 134     {
 135         m_rendererNative.DrawSplitterBorder(win, dc, rect, flags);
 136     }
 137 }
 138
 139 void
 140 wxRendererXP::DrawSplitterSash(wxWindow *win,
 141                                wxDC& dc,
 142                                const wxSize& size,
 143                                wxCoord position,
 144                                wxOrientation orient,
 145                                int flags)
 146 {
 147     if (win->GetWindowStyle() & wxSP_NO_XP_THEME)
 148     {
 149         m_rendererNative.DrawSplitterSash(
 150                    win, dc, size, position, orient, flags);
 151         return;
 152     }
 153
 154     // I don't know if it is correct to use the rebar background for the
 155     // splitter but it least this works ok in the default theme
 156     wxUxThemeHandle hTheme(win, L"REBAR");
 157     if ( hTheme )
 158     {
 159         RECT rect;
 160         if ( orient == wxVERTICAL )
 161         {
 162             rect.left = position;
 163             rect.right = position + SASH_WIDTH;
 164             rect.top = 0;
 165             rect.bottom = size.y;
 166         }
 167         else // wxHORIZONTAL
 168         {
 169             rect.left = 0;
 170             rect.right = size.x;
 171             rect.top = position;
 172             rect.bottom = position + SASH_WIDTH;
 173         }
 174
 175         wxUxThemeEngine::Get()->DrawThemeBackground
 176                                 (
 177                                     (WXHTHEME)hTheme,
 178                                     dc.GetHDC(),
 179                                     3 /* RP_BAND */,
 180                                     0 /* no state */ ,
 181                                     &rect,
 182                                     NULL
 183                                 );
 184     }
 185 }
 186