include/wx/gtk/private.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/gtk/private.h
   3 // Purpose:     wxGTK private macros, functions &c
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     12.03.02
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2002 Vadim Zeitlin <vadim@wxwindows.org>
   9 // Licence:     wxWindows license
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_GTK_PRIVATE_H_
  13 #define _WX_GTK_PRIVATE_H_
  14
  15 #include <gdk/gdk.h>
  16 #include <gtk/gtk.h>
  17
  18 #include "wx/event.h"
  19
  20 // fail all version tests if the GTK+ version is so ancient that it doesn't
  21 // even have GTK_CHECK_VERSION
  22 #ifndef GTK_CHECK_VERSION
  23     #define GTK_CHECK_VERSION(a, b, c) 0
  24 #endif
  25
  26 #ifdef __WXGTK20__
  27 #if wxUSE_UNICODE
  28     #define wxGTK_CONV(s) wxConvUTF8.cWX2MB(s)
  29     #define wxGTK_CONV_BACK(s) wxConvUTF8.cMB2WX(s)
  30 #else
  31     #define wxGTK_CONV(s) wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC(s) )
  32     #define wxGTK_CONV_BACK(s)  wxConvLocal.cWC2WX( (wxConvUTF8.cMB2WC( s ) ) )
  33 #endif
  34 #else
  35     #define wxGTK_CONV(s) s.c_str()
  36     #define wxGTK_CONV_BACK(s) s
  37 #endif
  38
  39
  40 // GTK+ 2.0 compatibility define is broken when used from C++ as it
  41 // casts enum to int implicitly
  42 #ifdef __WXGTK20__
  43     #undef gtk_signal_disconnect_by_func
  44     #define gtk_signal_disconnect_by_func(object,func,data) \
  45         gtk_signal_compat_matched((object), (func), (data), \
  46                                   (GSignalMatchType)(G_SIGNAL_MATCH_FUNC | \
  47                                                      G_SIGNAL_MATCH_DATA), 0)
  48 #endif
  49
  50 // child is not a member of GTK_BUTTON() any more in GTK+ 2.0
  51 #ifdef __WXGTK20__
  52     #define BUTTON_CHILD(w) GTK_BIN((w))->child
  53 #else
  54     #define BUTTON_CHILD(w) GTK_BUTTON((w))->child
  55 #endif
  56
  57 // event_window has disappeared from GtkToggleButton in GTK+ 2.0
  58 #ifdef __WXGTK20__
  59     #define TOGGLE_BUTTON_EVENT_WIN(w) GTK_BUTTON((w))->event_window
  60 #else
  61     #define TOGGLE_BUTTON_EVENT_WIN(w) GTK_TOGGLE_BUTTON((w))->event_window
  62 #endif
  63
  64 // get the font from a style
  65 //
  66 // TODO: GdkFont has been replaced by PangoFontDescription in GTK+ 2.0
  67 //       and we really should use it instead of GdkFont (see also dclient.cpp)
  68 #ifdef __WXGTK20__
  69     #define GET_STYLE_FONT(style) gtk_style_get_font(style)
  70     #define SET_STYLE_FONT(style, font) gtk_style_set_font(style, font)
  71 #else
  72     #define GET_STYLE_FONT(style) ((style)->font)
  73     #define SET_STYLE_FONT(style, fnt) \
  74         gdk_font_unref( style->font );  \
  75         style->font = gdk_font_ref( fnt )
  76 #endif
  77
  78 // gtk_editable_{copy|cut|paste}_clipboard() had an extra argument under
  79 // previous GTK+ versions but no more
  80 #if defined(__WXGTK20__) || (GTK_MINOR_VERSION > 0)
  81     #define DUMMY_CLIPBOARD_ARG
  82 #else
  83     #define DUMMY_CLIPBOARD_ARG  ,0
  84 #endif
  85
  86 // _GtkEditable is now private
  87 #ifdef __WXGTK20__
  88     #define GET_EDITABLE_POS(w) gtk_editable_get_position(GTK_EDITABLE(w))
  89     #define SET_EDITABLE_POS(w, pos) \
  90         gtk_editable_set_position(GTK_EDITABLE(w), (pos))
  91 #else
  92     #define GET_EDITABLE_POS(w) GTK_EDITABLE((w))->current_pos
  93     #define SET_EDITABLE_POS(w, pos) \
  94         GTK_EDITABLE((w))->current_pos = (pos)
  95 #endif
  96
  97 // this GtkNotebook struct field has been renamed
  98 #ifdef __WXGTK20__
  99     #define NOTEBOOK_PANEL(nb)  GTK_NOTEBOOK(nb)->event_window
 100 #else
 101     #define NOTEBOOK_PANEL(nb)  GTK_NOTEBOOK(nb)->panel
 102 #endif
 103
 104 #ifdef __WXGTK20__
 105     #define SCROLLBAR_CBACK_ARG
 106     #define GET_SCROLL_TYPE(w)   GTK_SCROLL_JUMP
 107 #else
 108     #define SCROLLBAR_CBACK_ARG
 109     #define GET_SCROLL_TYPE(w)   GTK_RANGE((w))->scroll_type
 110 #endif
 111
 112 // translate a GTK+ scroll type to a wxEventType
 113 inline wxEventType GtkScrollTypeToWx(guint scrollType)
 114 {
 115     wxEventType command;
 116     switch ( scrollType )
 117     {
 118         case GTK_SCROLL_STEP_BACKWARD:
 119             command = wxEVT_SCROLL_LINEUP;
 120             break;
 121
 122         case GTK_SCROLL_STEP_FORWARD:
 123             command = wxEVT_SCROLL_LINEDOWN;
 124             break;
 125
 126         case GTK_SCROLL_PAGE_BACKWARD:
 127             command = wxEVT_SCROLL_PAGEUP;
 128             break;
 129
 130         case GTK_SCROLL_PAGE_FORWARD:
 131             command = wxEVT_SCROLL_PAGEDOWN;
 132             break;
 133
 134         default:
 135             command = wxEVT_SCROLL_THUMBTRACK;
 136     }
 137
 138     return command;
 139 }
 140
 141 inline wxEventType GtkScrollWinTypeToWx(guint scrollType)
 142 {
 143     // GtkScrollTypeToWx() returns SCROLL_XXX, not SCROLLWIN_XXX as we need
 144     return GtkScrollTypeToWx(scrollType) +
 145             wxEVT_SCROLLWIN_TOP - wxEVT_SCROLL_TOP;
 146 }
 147
 148 #endif // _WX_GTK_PRIVATE_H_
 149