include/wx/motif/private.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/motif/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 #include "wx/evtloop.h"
  18
  19 class WXDLLIMPEXP_FWD_CORE wxFont;
  20 class WXDLLIMPEXP_FWD_CORE wxWindow;
  21 class WXDLLIMPEXP_FWD_CORE wxSize;
  22 class WXDLLIMPEXP_FWD_CORE wxBitmap;
  23 class WXDLLIMPEXP_FWD_CORE wxColour;
  24
  25 #include "wx/x11/privx.h"
  26
  27 // Put any private declarations here: native Motif types may be used because
  28 // this header is included after Xm/Xm.h
  29
  30 // ----------------------------------------------------------------------------
  31 // convenience macros
  32 // ----------------------------------------------------------------------------
  33
  34 #define wxCHECK_MOTIF_VERSION( major, minor ) \
  35   ( XmVersion >= (major) * 1000 + (minor) )
  36
  37 #define wxCHECK_LESSTIF_VERSION( major, minor ) \
  38   ( LesstifVersion >= (major) * 1000 + (minor) )
  39
  40 #define wxCHECK_LESSTIF() ( __WXLESSTIF__ )
  41
  42 // some compilers (e.g. Sun CC) give warnings when treating string literals as
  43 // (non const) "char *" but many Motif functions take "char *" parameters which
  44 // are really "const char *" so use this macro to suppress the warnings when we
  45 // know it's ok
  46 #define wxMOTIF_STR(x) wx_const_cast(char *, x)
  47
  48 // ----------------------------------------------------------------------------
  49 // Miscellaneous functions
  50 // ----------------------------------------------------------------------------
  51
  52 WXWidget wxCreateBorderWidget( WXWidget parent, long style );
  53
  54 // ----------------------------------------------------------------------------
  55 // common callbacks
  56 // ----------------------------------------------------------------------------
  57
  58 // All widgets should have this as their resize proc.
  59 extern void wxWidgetResizeProc(Widget w, XConfigureEvent *event,
  60                                String args[], int *num_args);
  61
  62 // For repainting arbitrary windows
  63 void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data),
  64                             XEvent *event, char *);
  65
  66 // ----------------------------------------------------------------------------
  67 // we maintain a hash table which contains the mapping from Widget to wxWindow
  68 // corresponding to the window for this widget
  69 // ----------------------------------------------------------------------------
  70
  71 extern void wxDeleteWindowFromTable(Widget w);
  72 extern wxWindow *wxGetWindowFromTable(Widget w);
  73 extern bool wxAddWindowToTable(Widget w, wxWindow *win);
  74
  75 // ----------------------------------------------------------------------------
  76 // wxBitmap related functions
  77 // ----------------------------------------------------------------------------
  78
  79 // Creates a bitmap with transparent areas drawn in the given colour.
  80 wxBitmap wxCreateMaskedBitmap(const wxBitmap& bitmap, const wxColour& colour);
  81
  82 // ----------------------------------------------------------------------------
  83 // key events related functions
  84 // ----------------------------------------------------------------------------
  85
  86 extern char wxFindMnemonic(const char* s);
  87
  88 extern char * wxFindAccelerator (const char *s);
  89 extern XmString wxFindAcceleratorText (const char *s);
  90
  91 // ----------------------------------------------------------------------------
  92 // TranslateXXXEvent() functions - translate Motif event to wxWindow one
  93 // ----------------------------------------------------------------------------
  94
  95 extern bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win,
  96                                   Widget widget, const XEvent *xevent);
  97 extern bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win,
  98                                 Widget widget, const XEvent *xevent);
  99
 100 extern void wxDoChangeForegroundColour(WXWidget widget,
 101                                        wxColour& foregroundColour);
 102 extern void wxDoChangeBackgroundColour(WXWidget widget,
 103                                        const wxColour& backgroundColour,
 104                                        bool changeArmColour = false);
 105 extern void wxDoChangeFont(WXWidget widget, const wxFont& font);
 106 extern void wxGetTextExtent(WXDisplay* display, const wxFont& font,
 107                             double scale,
 108                             const wxString& string, int* width, int* height,
 109                             int* ascent, int* descent);
 110 extern void wxGetTextExtent(const wxWindow* window, const wxString& str,
 111                             int* width, int* height,
 112                             int* ascent, int* descent);
 113
 114 #define wxNO_COLORS   0x00
 115 #define wxBACK_COLORS 0x01
 116 #define wxFORE_COLORS 0x02
 117
 118 extern XColor itemColors[5] ;
 119
 120 #define wxBACK_INDEX 0
 121 #define wxFORE_INDEX 1
 122 #define wxSELE_INDEX 2
 123 #define wxTOPS_INDEX 3
 124 #define wxBOTS_INDEX 4
 125
 126 // ----------------------------------------------------------------------------
 127 // XmString/wxString conversion utilities
 128 // ----------------------------------------------------------------------------
 129
 130 wxString wxXmStringToString( const XmString& xmString );
 131 XmString wxStringToXmString( const char* string );
 132 inline XmString wxStringToXmString( const wxCharBuffer& string )
 133     { return wxStringToXmString(string.data()); }
 134 inline XmString wxStringToXmString( const wxString& string )
 135     { return wxStringToXmString((const char*)string.mb_str()); }
 136
 137 // XmString made easy to use in wxWidgets (and has an added benefit of
 138 // cleaning up automatically)
 139 class wxXmString
 140 {
 141     void Init(const char *str)
 142     {
 143         m_string = XmStringCreateLtoR((char *)str, XmSTRING_DEFAULT_CHARSET);
 144     }
 145
 146 public:
 147     wxXmString(const char* str)
 148     {
 149         Init(str);
 150     }
 151
 152     wxXmString(const wchar_t* str)
 153     {
 154         Init(wxConvLibc.cWC2MB(str));
 155     }
 156
 157     wxXmString(const wxString& str)
 158     {
 159         Init(str.mb_str());
 160     }
 161
 162     wxXmString(const wxCStrData& str)
 163     {
 164         Init(str);
 165     }
 166
 167     // just to avoid calling XmStringFree()
 168     wxXmString(const XmString& string) { m_string = string; }
 169
 170     ~wxXmString() { XmStringFree(m_string); }
 171
 172     // semi-implicit conversion to XmString (shouldn't rely on implicit
 173     // conversion because many of Motif functions are macros)
 174     XmString operator()() const { return m_string; }
 175
 176 private:
 177     XmString m_string;
 178 };
 179
 180 // ----------------------------------------------------------------------------
 181 // Routines used in both wxTextCtrl/wxListBox and nativa wxComboBox
 182 // (defined in src/motif/listbox.cpp or src/motif/textctrl.cpp
 183 // ----------------------------------------------------------------------------
 184
 185 int wxDoFindStringInList( Widget listWidget, const wxString& str );
 186 int wxDoGetSelectionInList( Widget listWidget );
 187 wxString wxDoGetStringInList( Widget listWidget, int n );
 188 wxSize wxDoGetListBoxBestSize( Widget listWidget, const wxWindow* window );
 189
 190 wxSize wxDoGetSingleTextCtrlBestSize( Widget textWidget,
 191                                       const wxWindow* window );
 192
 193 // ----------------------------------------------------------------------------
 194 // event-related functions
 195 // ----------------------------------------------------------------------------
 196
 197 // executes one main loop iteration (implemented in src/motif/evtloop.cpp)
 198 // returns true if the loop should be exited
 199 bool wxDoEventLoopIteration( wxGUIEventLoop& evtLoop );
 200
 201 // Consume all events until no more left
 202 void wxFlushEvents(WXDisplay* display);
 203
 204 // ----------------------------------------------------------------------------
 205 // macros to avoid casting WXFOO to Foo all the time
 206 // ----------------------------------------------------------------------------
 207
 208 // argument is of type "wxWindow *"
 209 #define GetWidget(w)    ((Widget)(w)->GetHandle())
 210
 211 // ----------------------------------------------------------------------------
 212 // accessors for C modules
 213 // ----------------------------------------------------------------------------
 214
 215 extern "C" XtAppContext wxGetAppContext();
 216
 217 #endif
 218 // _WX_PRIVATE_H_