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[wxWidgets.git] / src / gtk / utilsgtk.cpp
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c801d85f 1/////////////////////////////////////////////////////////////////////////////
dbd25330 2// Name: src/gtk/utilsgtk.cpp
c801d85f
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3// Purpose:
4// Author: Robert Roebling
dfcb1ae0 5// Id: $Id$
6c9a19aa 6// Copyright: (c) 1998 Robert Roebling
65571936 7// Licence: wxWindows licence
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8/////////////////////////////////////////////////////////////////////////////
9
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10// For compilers that support precompilation, includes "wx.h".
11#include "wx/wxprec.h"
12
c801d85f 13#include "wx/utils.h"
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14
15#ifndef WX_PRECOMP
16 #include "wx/string.h"
17#endif
c801d85f 18
46446cc2 19#include "wx/apptrait.h"
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20#include "wx/intl.h"
21#include "wx/log.h"
22
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23#include "wx/process.h"
24
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25#include "wx/unix/execute.h"
26
c801d85f 27#include <stdarg.h>
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28#include <string.h>
29#include <sys/stat.h>
30#include <sys/types.h>
dbd25330 31#include <sys/wait.h> // for WNOHANG
c801d85f 32#include <unistd.h>
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33
34#include "glib.h"
35#include "gdk/gdk.h"
36#include "gtk/gtk.h"
91b8de8d 37#include "gdk/gdkx.h"
88ac883a 38
27933891 39#ifdef HAVE_X11_XKBLIB_H
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40 /* under HP-UX and Solaris 2.6, at least, XKBlib.h defines structures with
41 * field named "explicit" - which is, of course, an error for a C++
42 * compiler. To be on the safe side, just redefine it everywhere. */
88ac883a 43 #define explicit __wx_explicit
ec5d7799 44
154c4aa1 45 #include "X11/XKBlib.h"
ec5d7799 46
88ac883a 47 #undef explicit
27933891 48#endif // HAVE_X11_XKBLIB_H
dfcb1ae0 49
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50//-----------------------------------------------------------------------------
51// data
52//-----------------------------------------------------------------------------
53
c2fa61e8 54extern GtkWidget *wxGetRootWindow();
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55
56//----------------------------------------------------------------------------
c801d85f 57// misc.
d76fe38b 58//----------------------------------------------------------------------------
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59#ifndef __EMX__
60// on OS/2, we use the wxBell from wxBase library
c801d85f 61
518b5d2f 62void wxBell()
c801d85f 63{
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64 gdk_beep();
65}
189d1ae7 66#endif
c801d85f 67
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68/* Don't synthesize KeyUp events holding down a key and producing
69 KeyDown events with autorepeat. */
70#ifdef HAVE_X11_XKBLIB_H
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71bool wxSetDetectableAutoRepeat( bool flag )
72{
73 Bool result;
74 XkbSetDetectableAutoRepeat( GDK_DISPLAY(), flag, &result );
df91131c 75 return result; /* true if keyboard hardware supports this mode */
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76}
77#else
78bool wxSetDetectableAutoRepeat( bool WXUNUSED(flag) )
79{
df91131c 80 return false;
f0492f7d 81}
27933891 82#endif
f0492f7d 83
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84// Escapes string so that it is valid Pango markup XML string:
85wxString wxEscapeStringForPangoMarkup(const wxString& str)
86{
87 size_t len = str.length();
88 wxString out;
89 out.Alloc(len);
90 for (size_t i = 0; i < len; i++)
91 {
92 wxChar c = str[i];
93 switch (c)
94 {
95 case _T('&'):
96 out << _T("&amp;");
97 break;
98 case _T('<'):
99 out << _T("&lt;");
100 break;
101 case _T('>'):
102 out << _T("&gt;");
103 break;
104 case _T('\''):
105 out << _T("&apos;");
106 break;
107 case _T('"'):
108 out << _T("&quot;");
109 break;
110 default:
111 out << c;
112 break;
113 }
114 }
115 return out;
116}
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117
118
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119// ----------------------------------------------------------------------------
120// display characterstics
121// ----------------------------------------------------------------------------
82052aff 122
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123void *wxGetDisplay()
124{
27df579a 125 return GDK_DISPLAY();
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126}
127
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128void wxDisplaySize( int *width, int *height )
129{
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130 if (width) *width = gdk_screen_width();
131 if (height) *height = gdk_screen_height();
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132}
133
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134void wxDisplaySizeMM( int *width, int *height )
135{
136 if (width) *width = gdk_screen_width_mm();
137 if (height) *height = gdk_screen_height_mm();
138}
139
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140void wxClientDisplayRect(int *x, int *y, int *width, int *height)
141{
142 // This is supposed to return desktop dimensions minus any window
143 // manager panels, menus, taskbars, etc. If there is a way to do that
144 // for this platform please fix this function, otherwise it defaults
145 // to the entire desktop.
146 if (x) *x = 0;
147 if (y) *y = 0;
148 wxDisplaySize(width, height);
149}
150
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151void wxGetMousePosition( int* x, int* y )
152{
bbe0af5b 153 gdk_window_get_pointer( (GdkWindow*) NULL, x, y, (GdkModifierType*) NULL );
e52f60e6 154}
6de97a3b 155
518b5d2f 156bool wxColourDisplay()
6de97a3b 157{
df91131c 158 return true;
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159}
160
518b5d2f 161int wxDisplayDepth()
6de97a3b 162{
22a3bce4 163 return gdk_drawable_get_visual( wxGetRootWindow()->window )->depth;
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164}
165
324899f6 166wxToolkitInfo& wxGUIAppTraits::GetToolkitInfo()
bbe0af5b 167{
a8eaaeb2 168 static wxToolkitInfo info;
a8eaaeb2 169 info.shortName = _T("gtk2");
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170 info.name = _T("wxGTK");
171#ifdef __WXUNIVERSAL__
172 info.shortName << _T("univ");
173 info.name << _T("/wxUniversal");
174#endif
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175 info.versionMajor = gtk_major_version;
176 info.versionMinor = gtk_minor_version;
a8eaaeb2 177 info.os = wxGTK;
324899f6 178 return info;
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179}
180
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181wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
182{
183 return wxGenericFindWindowAtPoint(pt);
184}
185
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186#if !wxUSE_UNICODE
187
188wxCharBuffer wxConvertToGTK(const wxString& s, wxFontEncoding enc)
189{
190 if ( enc == wxFONTENCODING_UTF8 )
191 {
192 // no need for conversion at all
193 return wxCharBuffer(s);
194 }
195
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196 wxWCharBuffer wbuf;
197 if ( enc == wxFONTENCODING_SYSTEM || enc == wxFONTENCODING_DEFAULT )
198 {
d5bef0a3 199 wbuf = wxConvUI->cMB2WC(s);
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200 }
201 else // another encoding, use generic conversion class
202 {
203 wbuf = wxCSConv(enc).cMB2WC(s);
204 }
205
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206 wxCharBuffer buf;
207 if ( wbuf )
208 buf = wxConvUTF8.cWC2MB(wbuf);
209
210 return buf;
211}
212
213#endif // !wxUSE_UNICODE
57591e0e 214
518b5d2f 215// ----------------------------------------------------------------------------
c801d85f 216// subprocess routines
518b5d2f 217// ----------------------------------------------------------------------------
cf447356 218
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219extern "C" {
220static
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221void GTK_EndProcessDetector(gpointer data, gint source,
222 GdkInputCondition WXUNUSED(condition) )
cf447356 223{
ab857a4e 224 wxEndProcessData *proc_data = (wxEndProcessData *)data;
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225
226 // has the process really terminated? unfortunately GDK (or GLib) seem to
227 // generate G_IO_HUP notification even when it simply tries to read from a
228 // closed fd and hasn't terminated at all
229 int pid = (proc_data->pid > 0) ? proc_data->pid : -(proc_data->pid);
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230 int status = 0;
231 int rc = waitpid(pid, &status, WNOHANG);
232
233 if ( rc == 0 )
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234 {
235 // no, it didn't exit yet, continue waiting
236 return;
237 }
238
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239 // set exit code to -1 if something bad happened
240 proc_data->exitcode = rc != -1 && WIFEXITED(status) ? WEXITSTATUS(status)
241 : -1;
242
dbd25330 243 // child exited, end waiting
ab857a4e 244 close(source);
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245
246 // don't call us again!
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247 gdk_input_remove(proc_data->tag);
248
ab857a4e 249 wxHandleProcessTermination(proc_data);
3069ac4e 250}
865bb325 251}
cf447356 252
518b5d2f 253int wxAddProcessCallback(wxEndProcessData *proc_data, int fd)
c801d85f 254{
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255 int tag = gdk_input_add(fd,
256 GDK_INPUT_READ,
257 GTK_EndProcessDetector,
258 (gpointer)proc_data);
c801d85f 259
518b5d2f 260 return tag;
3069ac4e 261}