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1/////////////////////////////////////////////////////////////////////////////
2// Name: src/gtk1/utilsgtk.cpp
3// Purpose:
4// Author: Robert Roebling
5// Id: $Id$
6// Copyright: (c) 1998 Robert Roebling
7// Licence: wxWindows licence
8/////////////////////////////////////////////////////////////////////////////
9
10// For compilers that support precompilation, includes "wx.h".
11#include "wx/wxprec.h"
12
13#include "wx/utils.h"
14
15#ifndef WX_PRECOMP
16 #include "wx/string.h"
17 #include "wx/intl.h"
18 #include "wx/log.h"
19#endif
20
21#include "wx/apptrait.h"
22
23#include "wx/process.h"
24
25#include "wx/unix/execute.h"
26
27#include <stdarg.h>
28#include <string.h>
29#include <sys/stat.h>
30#include <sys/types.h>
31#include <sys/wait.h> // for WNOHANG
32#include <unistd.h>
33
34#include "glib.h"
35#include "gdk/gdk.h"
36#include "gtk/gtk.h"
37#include "gtk/gtkfeatures.h"
38#include "gdk/gdkx.h"
39
40#ifdef HAVE_X11_XKBLIB_H
41 /* under HP-UX and Solaris 2.6, at least, XKBlib.h defines structures with
42 * field named "explicit" - which is, of course, an error for a C++
43 * compiler. To be on the safe side, just redefine it everywhere. */
44 #define explicit __wx_explicit
45
46 #include "X11/XKBlib.h"
47
48 #undef explicit
49#endif // HAVE_X11_XKBLIB_H
50
51//-----------------------------------------------------------------------------
52// data
53//-----------------------------------------------------------------------------
54
55extern GtkWidget *wxGetRootWindow();
56
57//----------------------------------------------------------------------------
58// misc.
59//----------------------------------------------------------------------------
60#ifndef __EMX__
61// on OS/2, we use the wxBell from wxBase library
62
63void wxBell()
64{
65 gdk_beep();
66}
67#endif
68
69/* Don't synthesize KeyUp events holding down a key and producing
70 KeyDown events with autorepeat. */
71#ifdef HAVE_X11_XKBLIB_H
72bool wxSetDetectableAutoRepeat( bool flag )
73{
74 Bool result;
75 XkbSetDetectableAutoRepeat( GDK_DISPLAY(), flag, &result );
76 return result; /* true if keyboard hardware supports this mode */
77}
78#else
79bool wxSetDetectableAutoRepeat( bool WXUNUSED(flag) )
80{
81 return false;
82}
83#endif
84
85// ----------------------------------------------------------------------------
86// display characterstics
87// ----------------------------------------------------------------------------
88
89void *wxGetDisplay()
90{
91 return GDK_DISPLAY();
92}
93
94void wxDisplaySize( int *width, int *height )
95{
96 if (width) *width = gdk_screen_width();
97 if (height) *height = gdk_screen_height();
98}
99
100void wxDisplaySizeMM( int *width, int *height )
101{
102 if (width) *width = gdk_screen_width_mm();
103 if (height) *height = gdk_screen_height_mm();
104}
105
106void wxClientDisplayRect(int *x, int *y, int *width, int *height)
107{
108 // This is supposed to return desktop dimensions minus any window
109 // manager panels, menus, taskbars, etc. If there is a way to do that
110 // for this platform please fix this function, otherwise it defaults
111 // to the entire desktop.
112 if (x) *x = 0;
113 if (y) *y = 0;
114 wxDisplaySize(width, height);
115}
116
117void wxGetMousePosition( int* x, int* y )
118{
119 gdk_window_get_pointer( (GdkWindow*) NULL, x, y, (GdkModifierType*) NULL );
120}
121
122bool wxColourDisplay()
123{
124 return true;
125}
126
127int wxDisplayDepth()
128{
129 return gdk_window_get_visual( wxGetRootWindow()->window )->depth;
130}
131
132wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
133{
134 return wxGenericFindWindowAtPoint(pt);
135}
136
137
138// ----------------------------------------------------------------------------
139// subprocess routines
140// ----------------------------------------------------------------------------
141
142extern "C" {
143static
144void GTK_EndProcessDetector(gpointer data, gint source,
145 GdkInputCondition WXUNUSED(condition) )
146{
147 wxEndProcessData *proc_data = (wxEndProcessData *)data;
148
149 // has the process really terminated? unfortunately GDK (or GLib) seem to
150 // generate G_IO_HUP notification even when it simply tries to read from a
151 // closed fd and hasn't terminated at all
152 int pid = (proc_data->pid > 0) ? proc_data->pid : -(proc_data->pid);
153 int status = 0;
154 int rc = waitpid(pid, &status, WNOHANG);
155
156 if ( rc == 0 )
157 {
158 // no, it didn't exit yet, continue waiting
159 return;
160 }
161
162 // set exit code to -1 if something bad happened
163 proc_data->exitcode = rc != -1 && WIFEXITED(status) ? WEXITSTATUS(status)
164 : -1;
165
166 // child exited, end waiting
167 close(source);
168
169 // don't call us again!
170 gdk_input_remove(proc_data->tag);
171
172 wxHandleProcessTermination(proc_data);
173}
174}
175
176int wxAddProcessCallback(wxEndProcessData *proc_data, int fd)
177{
178 int tag = gdk_input_add(fd,
179 GDK_INPUT_READ,
180 GTK_EndProcessDetector,
181 (gpointer)proc_data);
182
183 return tag;
184}
185
186// ----------------------------------------------------------------------------
187// wxPlatformInfo-related
188// ----------------------------------------------------------------------------
189
190wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const
191{
192 if ( verMaj )
193 *verMaj = gtk_major_version;
194 if ( verMin )
195 *verMin = gtk_minor_version;
196
197 return wxPORT_GTK;
198}