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() ( __WXLESSTIF__ )
  40
  41 // ----------------------------------------------------------------------------
  42 // Miscellaneous functions
  43 // ----------------------------------------------------------------------------
  44
  45 WXWidget wxCreateBorderWidget( WXWidget parent, long style );
  46
  47 // ----------------------------------------------------------------------------
  48 // common callbacks
  49 // ----------------------------------------------------------------------------
  50
  51 // All widgets should have this as their resize proc.
  52 extern void wxWidgetResizeProc(Widget w, XConfigureEvent *event,
  53                                String args[], int *num_args);
  54
  55 // For repainting arbitrary windows
  56 void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data),
  57                             XEvent *event, char *);
  58
  59 // ----------------------------------------------------------------------------
  60 // we maintain a hash table which contains the mapping from Widget to wxWindow
  61 // corresponding to the window for this widget
  62 // ----------------------------------------------------------------------------
  63
  64 extern void wxDeleteWindowFromTable(Widget w);
  65 extern wxWindow *wxGetWindowFromTable(Widget w);
  66 extern bool wxAddWindowToTable(Widget w, wxWindow *win);
  67
  68 // ----------------------------------------------------------------------------
  69 // wxBitmap related functions
  70 // ----------------------------------------------------------------------------
  71
  72 // Creates a bitmap with transparent areas drawn in the given colour.
  73 wxBitmap wxCreateMaskedBitmap(const wxBitmap& bitmap, wxColour& colour);
  74
  75 // ----------------------------------------------------------------------------
  76 // key events related functions
  77 // ----------------------------------------------------------------------------
  78
  79 extern char wxFindMnemonic(const char* s);
  80
  81 extern char * wxFindAccelerator (const char *s);
  82 extern XmString wxFindAcceleratorText (const char *s);
  83
  84 // ----------------------------------------------------------------------------
  85 // TranslateXXXEvent() functions - translate Motif event to wxWindow one
  86 // ----------------------------------------------------------------------------
  87
  88 extern bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win,
  89                                   Widget widget, const XEvent *xevent);
  90 extern bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win,
  91                                 Widget widget, const XEvent *xevent);
  92
  93 extern void wxDoChangeForegroundColour(WXWidget widget,
  94                                        wxColour& foregroundColour);
  95 extern void wxDoChangeBackgroundColour(WXWidget widget,
  96                                        wxColour& backgroundColour,
  97                                        bool changeArmColour = false);
  98 extern void wxDoChangeFont(WXWidget widget, wxFont& font);
  99 extern void wxGetTextExtent(WXDisplay* display, const wxFont& font,
 100                             double scale,
 101                             const wxString& string, int* width, int* height,
 102                             int* ascent, int* descent);
 103
 104 #define wxNO_COLORS   0x00
 105 #define wxBACK_COLORS 0x01
 106 #define wxFORE_COLORS 0x02
 107
 108 extern XColor itemColors[5] ;
 109
 110 #define wxBACK_INDEX 0
 111 #define wxFORE_INDEX 1
 112 #define wxSELE_INDEX 2
 113 #define wxTOPS_INDEX 3
 114 #define wxBOTS_INDEX 4
 115
 116 // ----------------------------------------------------------------------------
 117 // XmString/wxString conversion utilities
 118 // ----------------------------------------------------------------------------
 119
 120 wxString wxXmStringToString( const XmString& xmString );
 121 XmString wxStringToXmString( const wxString& string );
 122 XmString wxStringToXmString( const char* string );
 123
 124 // XmString made easy to use in wxWidgets (and has an added benefit of
 125 // cleaning up automatically)
 126 class wxXmString
 127 {
 128 public:
 129     wxXmString(const char* str)
 130     {
 131         m_string = XmStringCreateLtoR((char *)str, XmSTRING_DEFAULT_CHARSET);
 132     }
 133
 134     wxXmString(const wxString& str)
 135     {
 136         m_string = XmStringCreateLtoR((char *)str.c_str(),
 137             XmSTRING_DEFAULT_CHARSET);
 138     }
 139
 140     // just to avoid calling XmStringFree()
 141     wxXmString(const XmString& string) { m_string = string; }
 142
 143     ~wxXmString() { XmStringFree(m_string); }
 144
 145     // semi-implicit conversion to XmString (shouldn't rely on implicit
 146     // conversion because many of Motif functions are macros)
 147     XmString operator()() const { return m_string; }
 148
 149 private:
 150     XmString m_string;
 151 };
 152
 153 // ----------------------------------------------------------------------------
 154 // Routines used in both wxTextCtrl/wxListBox and nativa wxComboBox
 155 // (defined in src/motif/listbox.cpp or src/motif/textctrl.cpp
 156 // ----------------------------------------------------------------------------
 157
 158 int wxDoFindStringInList( Widget listWidget, const wxString& str );
 159 int wxDoGetSelectionInList( Widget listWidget );
 160 wxString wxDoGetStringInList( Widget listWidget, int n );
 161 wxSize wxDoGetListBoxBestSize( Widget listWidget, const wxWindow* window );
 162
 163 wxSize wxDoGetSingleTextCtrlBestSize( Widget textWidget,
 164                                       const wxWindow* window );
 165
 166 // ----------------------------------------------------------------------------
 167 // event-related functions
 168 // ----------------------------------------------------------------------------
 169
 170 class wxEventLoop;
 171
 172 // executes one main loop iteration (implemented in src/motif/evtloop.cpp)
 173 // returns true if the loop should be exited
 174 bool wxDoEventLoopIteration( wxEventLoop& evtLoop );
 175
 176 // Consume all events until no more left
 177 void wxFlushEvents(WXDisplay* display);
 178
 179 // ----------------------------------------------------------------------------
 180 // macros to avoid casting WXFOO to Foo all the time
 181 // ----------------------------------------------------------------------------
 182
 183 // argument is of type "wxWindow *"
 184 #define GetWidget(w)    ((Widget)(w)->GetHandle())
 185
 186 // ----------------------------------------------------------------------------
 187 // accessors for C modules
 188 // ----------------------------------------------------------------------------
 189
 190 extern "C" XtAppContext wxGetAppContext();
 191
 192 #endif
 193 // _WX_PRIVATE_H_