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 <Xm/Xm.h>
  18 #include "wx/evtloop.h"
  19
  20 class WXDLLIMPEXP_FWD_CORE wxFont;
  21 class WXDLLIMPEXP_FWD_CORE wxWindow;
  22 class WXDLLIMPEXP_FWD_CORE wxSize;
  23 class WXDLLIMPEXP_FWD_CORE wxBitmap;
  24 class WXDLLIMPEXP_FWD_CORE wxColour;
  25
  26 #include "wx/x11/privx.h"
  27
  28 // Put any private declarations here: native Motif types may be used because
  29 // this header is included after Xm/Xm.h
  30
  31 // ----------------------------------------------------------------------------
  32 // convenience macros
  33 // ----------------------------------------------------------------------------
  34
  35 #define wxCHECK_MOTIF_VERSION( major, minor ) \
  36   ( XmVersion >= (major) * 1000 + (minor) )
  37
  38 #define wxCHECK_LESSTIF_VERSION( major, minor ) \
  39   ( LesstifVersion >= (major) * 1000 + (minor) )
  40
  41 #define wxCHECK_LESSTIF() ( __WXLESSTIF__ )
  42
  43 // some compilers (e.g. Sun CC) give warnings when treating string literals as
  44 // (non const) "char *" but many Motif functions take "char *" parameters which
  45 // are really "const char *" so use this macro to suppress the warnings when we
  46 // know it's ok
  47 #define wxMOTIF_STR(x) const_cast<char *>(x)
  48
  49 // ----------------------------------------------------------------------------
  50 // Miscellaneous functions
  51 // ----------------------------------------------------------------------------
  52
  53 WXWidget wxCreateBorderWidget( WXWidget parent, long style );
  54
  55 // ----------------------------------------------------------------------------
  56 // common callbacks
  57 // ----------------------------------------------------------------------------
  58
  59 // All widgets should have this as their resize proc.
  60 extern void wxWidgetResizeProc(Widget w, XConfigureEvent *event,
  61                                String args[], int *num_args);
  62
  63 // For repainting arbitrary windows
  64 void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data),
  65                             XEvent *event, char *);
  66
  67 // ----------------------------------------------------------------------------
  68 // we maintain a hash table which contains the mapping from Widget to wxWindow
  69 // corresponding to the window for this widget
  70 // ----------------------------------------------------------------------------
  71
  72 extern void wxDeleteWindowFromTable(Widget w);
  73 extern wxWindow *wxGetWindowFromTable(Widget w);
  74 extern bool wxAddWindowToTable(Widget w, wxWindow *win);
  75
  76 // ----------------------------------------------------------------------------
  77 // wxBitmap related functions
  78 // ----------------------------------------------------------------------------
  79
  80 // Creates a bitmap with transparent areas drawn in the given colour.
  81 wxBitmap wxCreateMaskedBitmap(const wxBitmap& bitmap, const wxColour& colour);
  82
  83 // ----------------------------------------------------------------------------
  84 // key events related functions
  85 // ----------------------------------------------------------------------------
  86
  87 extern char wxFindMnemonic(const char* s);
  88
  89 extern char * wxFindAccelerator (const char *s);
  90 extern XmString wxFindAcceleratorText (const char *s);
  91
  92 // ----------------------------------------------------------------------------
  93 // TranslateXXXEvent() functions - translate Motif event to wxWindow one
  94 // ----------------------------------------------------------------------------
  95
  96 extern bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win,
  97                                   Widget widget, const XEvent *xevent);
  98 extern bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win,
  99                                 Widget widget, const XEvent *xevent);
 100
 101 extern void wxDoChangeForegroundColour(WXWidget widget,
 102                                        wxColour& foregroundColour);
 103 extern void wxDoChangeBackgroundColour(WXWidget widget,
 104                                        const wxColour& backgroundColour,
 105                                        bool changeArmColour = false);
 106 extern void wxDoChangeFont(WXWidget widget, const wxFont& font);
 107 extern void wxGetTextExtent(WXDisplay* display, const wxFont& font,
 108                             double scale,
 109                             const wxString& string, int* width, int* height,
 110                             int* ascent, int* descent);
 111 extern void wxGetTextExtent(const wxWindow* window, const wxString& str,
 112                             int* width, int* height,
 113                             int* ascent, int* descent);
 114
 115 #define wxNO_COLORS   0x00
 116 #define wxBACK_COLORS 0x01
 117 #define wxFORE_COLORS 0x02
 118
 119 extern XColor itemColors[5] ;
 120
 121 #define wxBACK_INDEX 0
 122 #define wxFORE_INDEX 1
 123 #define wxSELE_INDEX 2
 124 #define wxTOPS_INDEX 3
 125 #define wxBOTS_INDEX 4
 126
 127 // ----------------------------------------------------------------------------
 128 // XmString/wxString conversion utilities
 129 // ----------------------------------------------------------------------------
 130
 131 wxString wxXmStringToString( const XmString& xmString );
 132 XmString wxStringToXmString( const char* string );
 133 inline XmString wxStringToXmString( const wxScopedCharBuffer& string )
 134     { return wxStringToXmString(string.data()); }
 135 inline XmString wxStringToXmString( const wxString& string )
 136     { return wxStringToXmString((const char*)string.mb_str()); }
 137
 138 // XmString made easy to use in wxWidgets (and has an added benefit of
 139 // cleaning up automatically)
 140 class wxXmString
 141 {
 142     void Init(const char *str)
 143     {
 144         m_string = XmStringCreateLtoR
 145                    (
 146                     const_cast<char *>(str),
 147                     const_cast<char *>(XmSTRING_DEFAULT_CHARSET)
 148                    );
 149     }
 150
 151 public:
 152     wxXmString(const char* str)
 153     {
 154         Init(str);
 155     }
 156
 157     wxXmString(const wchar_t* str)
 158     {
 159         Init(wxConvLibc.cWC2MB(str));
 160     }
 161
 162     wxXmString(const wxString& str)
 163     {
 164         Init(str.mb_str());
 165     }
 166
 167     wxXmString(const wxCStrData& str)
 168     {
 169         Init(str);
 170     }
 171
 172     // just to avoid calling XmStringFree()
 173     wxXmString(const XmString& string) { m_string = string; }
 174
 175     ~wxXmString() { XmStringFree(m_string); }
 176
 177     // semi-implicit conversion to XmString (shouldn't rely on implicit
 178     // conversion because many of Motif functions are macros)
 179     XmString operator()() const { return m_string; }
 180
 181 private:
 182     XmString m_string;
 183 };
 184
 185 // ----------------------------------------------------------------------------
 186 // Routines used in both wxTextCtrl/wxListBox and nativa wxComboBox
 187 // (defined in src/motif/listbox.cpp or src/motif/textctrl.cpp
 188 // ----------------------------------------------------------------------------
 189
 190 int wxDoFindStringInList( Widget listWidget, const wxString& str );
 191 int wxDoGetSelectionInList( Widget listWidget );
 192 wxString wxDoGetStringInList( Widget listWidget, int n );
 193 wxSize wxDoGetListBoxBestSize( Widget listWidget, const wxWindow* window );
 194
 195 wxSize wxDoGetSingleTextCtrlBestSize( Widget textWidget,
 196                                       const wxWindow* window );
 197
 198 // ----------------------------------------------------------------------------
 199 // event-related functions
 200 // ----------------------------------------------------------------------------
 201
 202 // executes one main loop iteration (implemented in src/motif/evtloop.cpp)
 203 // returns true if the loop should be exited
 204 bool wxDoEventLoopIteration( wxGUIEventLoop& evtLoop );
 205
 206 // Consume all events until no more left
 207 void wxFlushEvents(WXDisplay* display);
 208
 209 // ----------------------------------------------------------------------------
 210 // macros to avoid casting WXFOO to Foo all the time
 211 // ----------------------------------------------------------------------------
 212
 213 // argument is of type "wxWindow *"
 214 #define GetWidget(w)    ((Widget)(w)->GetHandle())
 215
 216 // ----------------------------------------------------------------------------
 217 // accessors for C modules
 218 // ----------------------------------------------------------------------------
 219
 220 extern "C" XtAppContext wxGetAppContext();
 221
 222 #endif
 223 // _WX_PRIVATE_H_