Factored out some common code.
[wxWidgets.git] / 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 // 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, XEvent *xevent);
90 extern bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win,
91 Widget widget, 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
100 #define wxNO_COLORS 0x00
101 #define wxBACK_COLORS 0x01
102 #define wxFORE_COLORS 0x02
103
104 extern XColor itemColors[5] ;
105
106 #define wxBACK_INDEX 0
107 #define wxFORE_INDEX 1
108 #define wxSELE_INDEX 2
109 #define wxTOPS_INDEX 3
110 #define wxBOTS_INDEX 4
111
112 // ----------------------------------------------------------------------------
113 // XmString/wxString conversion utilities
114 // ----------------------------------------------------------------------------
115
116 wxString wxXmStringToString( const XmString& xmString );
117 XmString wxStringToXmString( const wxString& string );
118 XmString wxStringToXmString( const char* string );
119
120 // XmString made easy to use in wxWindows (and has an added benefit of
121 // cleaning up automatically)
122 class wxXmString
123 {
124 public:
125 wxXmString(const char* str)
126 {
127 m_string = XmStringCreateLtoR((char *)str, XmSTRING_DEFAULT_CHARSET);
128 }
129
130 wxXmString(const wxString& str)
131 {
132 m_string = XmStringCreateLtoR((char *)str.c_str(),
133 XmSTRING_DEFAULT_CHARSET);
134 }
135
136 // just to avoid calling XmStringFree()
137 wxXmString(const XmString& string) { m_string = string; }
138
139 ~wxXmString() { XmStringFree(m_string); }
140
141 // semi-implicit conversion to XmString (shouldn't rely on implicit
142 // conversion because many of Motif functions are macros)
143 XmString operator()() const { return m_string; }
144
145 private:
146 XmString m_string;
147 };
148
149 // ----------------------------------------------------------------------------
150 // Routines used in both wxTextCtrl/wxListBox and nativa wxComboBox
151 // (defined in src/motif/listbox.cpp or src/motif/textctrl.cpp
152 // ----------------------------------------------------------------------------
153
154 int wxDoFindStringInList( Widget listWidget, const wxString& str );
155 int wxDoGetSelectionInList( Widget listWidget );
156 wxString wxDoGetStringInList( Widget listWidget, int n );
157 wxSize wxDoGetListBoxBestSize( Widget listWidget, const wxWindow* window );
158
159 wxSize wxDoGetSingleTextCtrlBestSize( Widget textWidget,
160 const wxWindow* window );
161
162 // ----------------------------------------------------------------------------
163 // event-related functions
164 // ----------------------------------------------------------------------------
165
166 class wxEventLoop;
167
168 // executes one main loop iteration (implemented in src/motif/evtloop.cpp)
169 // returns true if the loop should be exited
170 bool wxDoEventLoopIteration( wxEventLoop& evtLoop );
171
172 // Consume all events until no more left
173 void wxFlushEvents(WXDisplay* display);
174
175 // ----------------------------------------------------------------------------
176 // macros to avoid casting WXFOO to Foo all the time
177 // ----------------------------------------------------------------------------
178
179 // argument is of type "wxWindow *"
180 #define GetWidget(w) ((Widget)(w)->GetHandle())
181
182 // ----------------------------------------------------------------------------
183 // accessors for C modules
184 // ----------------------------------------------------------------------------
185
186 extern "C" XtAppContext wxGetAppContext();
187
188 #endif
189 // _WX_PRIVATE_H_