include/wx/motif/private.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        private.h
   3 // Purpose:     Private declarations for wxMotif port
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_PRIVATE_H_
  13 #define _WX_PRIVATE_H_
  14
  15 #include "wx/defs.h"
  16 #include "X11/Xlib.h"
  17
  18 class WXDLLEXPORT wxFont;
  19 class WXDLLEXPORT wxWindow;
  20 class WXDLLEXPORT wxSize;
  21 class WXDLLEXPORT wxBitmap;
  22 class WXDLLEXPORT wxColour;
  23
  24 #include "wx/x11/privx.h"
  25
  26 // Put any private declarations here: native Motif types may be used because
  27 // this header is included after Xm/Xm.h
  28
  29 // ----------------------------------------------------------------------------
  30 // convenience macros
  31 // ----------------------------------------------------------------------------
  32
  33 #define wxCHECK_MOTIF_VERSION( major, minor ) \
  34   ( XmVersion >= (major) * 1000 + (minor) )
  35
  36 #define wxCHECK_LESSTIF_VERSION( major, minor ) \
  37   ( LesstifVersion >= (major) * 1000 + (minor) )
  38
  39 #define wxCHECK_LESSTIF() ( defined(LesstifVersion) && LesstifVersion > 0 )
  40
  41 // ----------------------------------------------------------------------------
  42 // common callbacks
  43 // ----------------------------------------------------------------------------
  44
  45 // All widgets should have this as their resize proc.
  46 extern void wxWidgetResizeProc(Widget w, XConfigureEvent *event,
  47                                String args[], int *num_args);
  48
  49 // For repainting arbitrary windows
  50 void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data),
  51                             XEvent *event, char *);
  52
  53 // ----------------------------------------------------------------------------
  54 // we maintain a hash table which contains the mapping from Widget to wxWindow
  55 // corresponding to the window for this widget
  56 // ----------------------------------------------------------------------------
  57
  58 extern void wxDeleteWindowFromTable(Widget w);
  59 extern wxWindow *wxGetWindowFromTable(Widget w);
  60 extern bool wxAddWindowToTable(Widget w, wxWindow *win);
  61
  62 // ----------------------------------------------------------------------------
  63 // wxBitmap related functions
  64 // ----------------------------------------------------------------------------
  65
  66 // Creates a bitmap with transparent areas drawn in the given colour.
  67 wxBitmap wxCreateMaskedBitmap(const wxBitmap& bitmap, wxColour& colour);
  68
  69 // ----------------------------------------------------------------------------
  70 // key events related functions
  71 // ----------------------------------------------------------------------------
  72
  73 extern char wxFindMnemonic(const char* s);
  74
  75 extern char * wxFindAccelerator (const char *s);
  76 extern XmString wxFindAcceleratorText (const char *s);
  77
  78 // ----------------------------------------------------------------------------
  79 // TranslateXXXEvent() functions - translate Motif event to wxWindow one
  80 // ----------------------------------------------------------------------------
  81
  82 extern bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win,
  83                                   Widget widget, XEvent *xevent);
  84 extern bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win,
  85                                 Widget widget, XEvent *xevent);
  86
  87 extern void wxDoChangeForegroundColour(WXWidget widget,
  88                                        wxColour& foregroundColour);
  89 extern void wxDoChangeBackgroundColour(WXWidget widget,
  90                                        wxColour& backgroundColour,
  91                                        bool changeArmColour = FALSE);
  92 extern void wxDoChangeFont(WXWidget widget, wxFont& font);
  93
  94 #define wxNO_COLORS   0x00
  95 #define wxBACK_COLORS 0x01
  96 #define wxFORE_COLORS 0x02
  97
  98 extern XColor itemColors[5] ;
  99
 100 #define wxBACK_INDEX 0
 101 #define wxFORE_INDEX 1
 102 #define wxSELE_INDEX 2
 103 #define wxTOPS_INDEX 3
 104 #define wxBOTS_INDEX 4
 105
 106 // ----------------------------------------------------------------------------
 107 // XmString/wxString conversion utilities
 108 // ----------------------------------------------------------------------------
 109
 110 wxString wxXmStringToString( const XmString& xmString );
 111 XmString wxStringToXmString( const wxString& string );
 112 XmString wxStringToXmString( const char* string );
 113
 114 // XmString made easy to use in wxWindows (and has an added benefit of
 115 // cleaning up automatically)
 116 class wxXmString
 117 {
 118 public:
 119     wxXmString(const char* str)
 120     {
 121         m_string = XmStringCreateLtoR((char *)str, XmSTRING_DEFAULT_CHARSET);
 122     }
 123
 124     wxXmString(const wxString& str)
 125     {
 126         m_string = XmStringCreateLtoR((char *)str.c_str(),
 127             XmSTRING_DEFAULT_CHARSET);
 128     }
 129
 130     // just to avoid calling XmStringFree()
 131     wxXmString(const XmString& string) { m_string = string; }
 132
 133     ~wxXmString() { XmStringFree(m_string); }
 134
 135     // semi-implicit conversion to XmString (shouldn't rely on implicit
 136     // conversion because many of Motif functions are macros)
 137     XmString operator()() const { return m_string; }
 138
 139 private:
 140     XmString m_string;
 141 };
 142
 143 // ----------------------------------------------------------------------------
 144 // Routines used in both wxTextCtrl/wxListBox and nativa wxComboBox
 145 // (defined in src/motif/listbox.cpp or src/motif/textctrl.cpp
 146 // ----------------------------------------------------------------------------
 147
 148 int wxDoFindStringInList( Widget listWidget, const wxString& str );
 149 int wxDoGetSelectionInList( Widget listWidget );
 150 wxString wxDoGetStringInList( Widget listWidget, int n );
 151 wxSize wxDoGetListBoxBestSize( Widget listWidget, const wxWindow* window );
 152
 153 wxSize wxDoGetSingleTextCtrlBestSize( Widget textWidget,
 154                                       const wxWindow* window );
 155
 156 // ----------------------------------------------------------------------------
 157 // event-related functions
 158 // ----------------------------------------------------------------------------
 159
 160 class wxEventLoop;
 161
 162 // executes one main loop iteration (implemented in src/motif/evtloop.cpp)
 163 // returns true if the loop should be exited
 164 bool wxDoEventLoopIteration( wxEventLoop& evtLoop );
 165
 166 // Consume all events until no more left
 167 void wxFlushEvents(WXDisplay* display);
 168
 169 // ----------------------------------------------------------------------------
 170 // macros to avoid casting WXFOO to Foo all the time
 171 // ----------------------------------------------------------------------------
 172
 173 // argument is of type "wxWindow *"
 174 #define GetWidget(w)    ((Widget)(w)->GetHandle())
 175
 176 // ----------------------------------------------------------------------------
 177 // accessors for C modules
 178 // ----------------------------------------------------------------------------
 179
 180 extern "C" XtAppContext wxGetAppContext();
 181
 182 #endif
 183 // _WX_PRIVATE_H_