added wxUSE_VARIANT guards

[wxWidgets.git] / include / wx / renderer.h

diff --git a/include/wx/renderer.h b/include/wx/renderer.h
index ba5cb2611a17b2c0dc68cbe79a0048c4d6980d9b..9345586fea78ef8dafc93467b9bf31b6c4558b85 100644 (file)
--- a/include/wx/renderer.h
+++ b/include/wx/renderer.h
@@ -5,12 +5,12 @@
 // Modified by:
 // Created:     20.07.2003
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     20.07.2003
 // RCS-ID:      $Id$

-// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
+// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>

 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 /*
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 /*

-   Renderers are used in wxWindows for two similar but different things:
+   Renderers are used in wxWidgets for two similar but different things:

     (a) wxUniversal uses them to draw everything, i.e. all the control
     (b) all the native ports use them to draw generic controls only
 
     (a) wxUniversal uses them to draw everything, i.e. all the control
     (b) all the native ports use them to draw generic controls only
 


@@ -29,6 +29,10 @@ class WXDLLEXPORT wxDC;
 class WXDLLEXPORT wxWindow;
 
 #include "wx/gdicmn.h" // for wxPoint
 class WXDLLEXPORT wxWindow;
 
 #include "wx/gdicmn.h" // for wxPoint

+#include "wx/colour.h"
+#include "wx/font.h"
+#include "wx/bitmap.h"
+#include "wx/string.h"

 
 // some platforms have their own renderers, others use the generic one
 #if defined(__WXMSW__) || defined(__WXMAC__) || defined(__WXGTK__)
 
 // some platforms have their own renderers, others use the generic one
 #if defined(__WXMSW__) || defined(__WXMAC__) || defined(__WXGTK__)


@@ -47,13 +51,16 @@ enum
     wxCONTROL_DISABLED   = 0x00000001,  // control is disabled
     wxCONTROL_FOCUSED    = 0x00000002,  // currently has keyboard focus
     wxCONTROL_PRESSED    = 0x00000004,  // (button) is pressed
     wxCONTROL_DISABLED   = 0x00000001,  // control is disabled
     wxCONTROL_FOCUSED    = 0x00000002,  // currently has keyboard focus
     wxCONTROL_PRESSED    = 0x00000004,  // (button) is pressed

-    wxCONTROL_ISDEFAULT  = 0x00000008,  // only applies to the buttons
-    wxCONTROL_ISSUBMENU  = wxCONTROL_ISDEFAULT, // only for menu items
-    wxCONTROL_EXPANDED   = wxCONTROL_ISDEFAULT, // only for the tree items
+    wxCONTROL_SPECIAL    = 0x00000008,  // control-specific bit:
+    wxCONTROL_ISDEFAULT  = wxCONTROL_SPECIAL, // only for the buttons
+    wxCONTROL_ISSUBMENU  = wxCONTROL_SPECIAL, // only for the menu items
+    wxCONTROL_EXPANDED   = wxCONTROL_SPECIAL, // only for the tree items
+    wxCONTROL_SIZEGRIP   = wxCONTROL_SPECIAL, // only for the status bar panes

     wxCONTROL_CURRENT    = 0x00000010,  // mouse is currently over the control
     wxCONTROL_SELECTED   = 0x00000020,  // selected item in e.g. listbox
     wxCONTROL_CHECKED    = 0x00000040,  // (check/radio button) is checked
     wxCONTROL_CHECKABLE  = 0x00000080,  // (menu) item can be checked
     wxCONTROL_CURRENT    = 0x00000010,  // mouse is currently over the control
     wxCONTROL_SELECTED   = 0x00000020,  // selected item in e.g. listbox
     wxCONTROL_CHECKED    = 0x00000040,  // (check/radio button) is checked
     wxCONTROL_CHECKABLE  = 0x00000080,  // (menu) item can be checked

+    wxCONTROL_UNDETERMINED = wxCONTROL_CHECKABLE, // (check) undetermined state

 
     wxCONTROL_FLAGS_MASK = 0x000000ff,
 
 
     wxCONTROL_FLAGS_MASK = 0x000000ff,
 


@@ -85,6 +92,61 @@ struct WXDLLEXPORT wxSplitterRenderParams
     const bool isHotSensitive;
 };
 
     const bool isHotSensitive;
 };
 

+
+// extra optional parameters for DrawHeaderButton
+struct WXDLLEXPORT wxHeaderButtonParams
+{
+    wxHeaderButtonParams()
+        : m_labelAlignment(wxALIGN_LEFT)
+    { }
+
+    wxColour    m_arrowColour;
+    wxColour    m_selectionColour;
+    wxString    m_labelText;
+    wxFont      m_labelFont;
+    wxColour    m_labelColour;
+    wxBitmap    m_labelBitmap;
+    int         m_labelAlignment;
+};
+
+enum wxHeaderSortIconType {
+    wxHDR_SORT_ICON_NONE,        // Header button has no sort arrow
+    wxHDR_SORT_ICON_UP,          // Header button an an up sort arrow icon
+    wxHDR_SORT_ICON_DOWN         // Header button an a down sort arrow icon
+};
+
+
+// wxRendererNative interface version
+struct WXDLLEXPORT wxRendererVersion
+{
+    wxRendererVersion(int version_, int age_) : version(version_), age(age_) { }
+
+    // default copy ctor, assignment operator and dtor are ok
+
+    // the current version and age of wxRendererNative interface: different
+    // versions are incompatible (in both ways) while the ages inside the same
+    // version are upwards compatible, i.e. the version of the renderer must
+    // match the version of the main program exactly while the age may be
+    // highergreater or equal to it
+    //
+    // NB: don't forget to increment age after adding any new virtual function!
+    enum
+    {
+        Current_Version = 1,
+        Current_Age = 5
+    };
+
+
+    // check if the given version is compatible with the current one
+    static bool IsCompatible(const wxRendererVersion& ver)
+    {
+        return ver.version == Current_Version && ver.age >= Current_Age;
+    }
+
+    const int version;
+    const int age;
+};
+

 // ----------------------------------------------------------------------------
 // wxRendererNative: abstracts drawing methods needed by the native controls
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxRendererNative: abstracts drawing methods needed by the native controls
 // ----------------------------------------------------------------------------


@@ -92,8 +154,6 @@ struct WXDLLEXPORT wxSplitterRenderParams
 class WXDLLEXPORT wxRendererNative
 {
 public:
 class WXDLLEXPORT wxRendererNative
 {
 public:

-    virtual ~wxRendererNative() { } // stop GCC warning
-

     // drawing functions
     // -----------------
 
     // drawing functions
     // -----------------
 


@@ -101,7 +161,24 @@ public:
     virtual void DrawHeaderButton(wxWindow *win,
                                   wxDC& dc,
                                   const wxRect& rect,
     virtual void DrawHeaderButton(wxWindow *win,
                                   wxDC& dc,
                                   const wxRect& rect,

-                                  int flags = 0) = 0;
+                                  int flags = 0,
+                                  wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
+                                  wxHeaderButtonParams* params=NULL) = 0;
+
+
+    // Draw the contents of a header control button (label, sort arrows, etc.)
+    // Normally only called by DrawHeaderButton.
+    virtual void DrawHeaderButtonContents(wxWindow *win,
+                                          wxDC& dc,
+                                          const wxRect& rect,
+                                          int flags = 0,
+                                          wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
+                                          wxHeaderButtonParams* params=NULL) = 0;
+
+    // Returns the default height of a header button, either a fixed platform
+    // height if available, or a generic height based on the window's font.
+    virtual int GetHeaderButtonHeight(wxWindow *win) = 0;
+

 
     // draw the expanded/collapsed icon for a tree control item
     virtual void DrawTreeItemButton(wxWindow *win,
 
     // draw the expanded/collapsed icon for a tree control item
     virtual void DrawTreeItemButton(wxWindow *win,


@@ -124,6 +201,49 @@ public:
                                   wxOrientation orient,
                                   int flags = 0) = 0;
 
                                   wxOrientation orient,
                                   int flags = 0) = 0;
 

+    // draw a combobox dropdown button
+    //
+    // flags may use wxCONTROL_PRESSED and wxCONTROL_CURRENT
+    virtual void DrawComboBoxDropButton(wxWindow *win,
+                                        wxDC& dc,
+                                        const wxRect& rect,
+                                        int flags = 0) = 0;
+
+    // draw a dropdown arrow
+    //
+    // flags may use wxCONTROL_PRESSED and wxCONTROL_CURRENT
+    virtual void DrawDropArrow(wxWindow *win,
+                               wxDC& dc,
+                               const wxRect& rect,
+                               int flags = 0) = 0;
+
+    // draw check button
+    //
+    // flags may use wxCONTROL_CHECKED, wxCONTROL_UNDETERMINED and wxCONTROL_CURRENT
+    virtual void DrawCheckBox(wxWindow *win,
+                              wxDC& dc,
+                              const wxRect& rect,
+                              int flags = 0) = 0;
+
+    // draw blank button
+    //
+    // flags may use wxCONTROL_PRESSED, wxCONTROL_CURRENT and wxCONTROL_ISDEFAULT
+    virtual void DrawPushButton(wxWindow *win,
+                                wxDC& dc,
+                                const wxRect& rect,
+                                int flags = 0) = 0;
+
+    // draw rectangle indicating that an item in e.g. a list control
+    // has been selected or focused
+    //
+    // flags may use
+    // wxCONTROL_SELECTED (item is selected, e.g. draw background)
+    // wxCONTROL_CURRENT (item is the current item, e.g. dotted border)
+    // wxCONTROL_FOCUSED (the whole control has focus, e.g. blue background vs. grey otherwise)
+    virtual void DrawItemSelectionRect(wxWindow *win,
+                                       wxDC& dc,
+                                       const wxRect& rect,
+                                       int flags = 0) = 0;

 
     // geometry functions
     // ------------------
 
     // geometry functions
     // ------------------


@@ -160,6 +280,18 @@ public:
     //
     // return the previous renderer used with Set() or NULL if none
     static wxRendererNative *Set(wxRendererNative *renderer);
     //
     // return the previous renderer used with Set() or NULL if none
     static wxRendererNative *Set(wxRendererNative *renderer);

+
+
+    // miscellaneous stuff
+    // -------------------
+
+    // this function is used for version checking: Load() refuses to load any
+    // DLLs implementing an older or incompatible version; it should be
+    // implemented simply by returning wxRendererVersion::Current_XXX values
+    virtual wxRendererVersion GetVersion() const = 0;
+
+    // virtual dtor for any base class
+    virtual ~wxRendererNative();

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------


@@ -179,8 +311,21 @@ public:
     virtual void DrawHeaderButton(wxWindow *win,
                                   wxDC& dc,
                                   const wxRect& rect,
     virtual void DrawHeaderButton(wxWindow *win,
                                   wxDC& dc,
                                   const wxRect& rect,

-                                  int flags = 0)
-        { m_rendererNative.DrawHeaderButton(win, dc, rect, flags); }
+                                  int flags = 0,
+                                  wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
+                                  wxHeaderButtonParams* params = NULL)
+        { m_rendererNative.DrawHeaderButton(win, dc, rect, flags, sortArrow, params); }
+
+    virtual void DrawHeaderButtonContents(wxWindow *win,
+                                          wxDC& dc,
+                                          const wxRect& rect,
+                                          int flags = 0,
+                                          wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
+                                          wxHeaderButtonParams* params = NULL)
+        { m_rendererNative.DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params); }
+
+    virtual int GetHeaderButtonHeight(wxWindow *win)
+        { return m_rendererNative.GetHeaderButtonHeight(win); }

 
     virtual void DrawTreeItemButton(wxWindow *win,
                                     wxDC& dc,
 
     virtual void DrawTreeItemButton(wxWindow *win,
                                     wxDC& dc,


@@ -203,10 +348,42 @@ public:
         { m_rendererNative.DrawSplitterSash(win, dc, size,
                                             position, orient, flags); }
 
         { m_rendererNative.DrawSplitterSash(win, dc, size,
                                             position, orient, flags); }
 

+    virtual void DrawComboBoxDropButton(wxWindow *win,
+                                        wxDC& dc,
+                                        const wxRect& rect,
+                                        int flags = 0)
+        { m_rendererNative.DrawComboBoxDropButton(win, dc, rect, flags); }
+
+    virtual void DrawDropArrow(wxWindow *win,
+                               wxDC& dc,
+                               const wxRect& rect,
+                               int flags = 0)
+        { m_rendererNative.DrawDropArrow(win, dc, rect, flags); }
+
+    virtual void DrawCheckBox(wxWindow *win,
+                              wxDC& dc,
+                              const wxRect& rect,
+                              int flags = 0 )
+        { m_rendererNative.DrawCheckBox( win, dc, rect, flags ); }
+
+    virtual void DrawPushButton(wxWindow *win,
+                                wxDC& dc,
+                                const wxRect& rect,
+                                int flags = 0 )
+        { m_rendererNative.DrawPushButton( win, dc, rect, flags ); }
+
+    virtual void DrawItemSelectionRect(wxWindow *win,
+                                       wxDC& dc,
+                                       const wxRect& rect,
+                                       int flags = 0 )
+        { m_rendererNative.DrawItemSelectionRect( win, dc, rect, flags ); }

 
     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win)
         { return m_rendererNative.GetSplitterParams(win); }
 
 
     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win)
         { return m_rendererNative.GetSplitterParams(win); }
 

+    virtual wxRendererVersion GetVersion() const
+        { return m_rendererNative.GetVersion(); }
+

 protected:
     wxRendererNative& m_rendererNative;
 
 protected:
     wxRendererNative& m_rendererNative;
 


@@ -229,4 +406,3 @@ wxRendererNative& wxRendererNative::GetDefault()
 #endif // !wxHAS_NATIVE_RENDERER
 
 #endif // _WX_RENDERER_H_
 #endif // !wxHAS_NATIVE_RENDERER
 
 #endif // _WX_RENDERER_H_

-