| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/gtk/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 | #include "wx/string.h" |
| 15 | |
| 16 | #include "wx/apptrait.h" |
| 17 | #include "wx/intl.h" |
| 18 | #include "wx/log.h" |
| 19 | |
| 20 | #include "wx/process.h" |
| 21 | |
| 22 | #include "wx/unix/execute.h" |
| 23 | |
| 24 | #include <stdarg.h> |
| 25 | #include <string.h> |
| 26 | #include <sys/stat.h> |
| 27 | #include <sys/types.h> |
| 28 | #include <sys/wait.h> // for WNOHANG |
| 29 | #include <unistd.h> |
| 30 | |
| 31 | #include "glib.h" |
| 32 | #include "gdk/gdk.h" |
| 33 | #include "gtk/gtk.h" |
| 34 | #ifndef __WXGTK20__ |
| 35 | #include "gtk/gtkfeatures.h" |
| 36 | #endif |
| 37 | #include "gdk/gdkx.h" |
| 38 | |
| 39 | #ifdef HAVE_X11_XKBLIB_H |
| 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. */ |
| 43 | #define explicit __wx_explicit |
| 44 | |
| 45 | #include "X11/XKBlib.h" |
| 46 | |
| 47 | #undef explicit |
| 48 | #endif // HAVE_X11_XKBLIB_H |
| 49 | |
| 50 | //----------------------------------------------------------------------------- |
| 51 | // data |
| 52 | //----------------------------------------------------------------------------- |
| 53 | |
| 54 | extern GtkWidget *wxGetRootWindow(); |
| 55 | |
| 56 | //---------------------------------------------------------------------------- |
| 57 | // misc. |
| 58 | //---------------------------------------------------------------------------- |
| 59 | #ifndef __EMX__ |
| 60 | // on OS/2, we use the wxBell from wxBase library |
| 61 | |
| 62 | void wxBell() |
| 63 | { |
| 64 | gdk_beep(); |
| 65 | } |
| 66 | #endif |
| 67 | |
| 68 | /* Don't synthesize KeyUp events holding down a key and producing |
| 69 | KeyDown events with autorepeat. */ |
| 70 | #ifdef HAVE_X11_XKBLIB_H |
| 71 | bool wxSetDetectableAutoRepeat( bool flag ) |
| 72 | { |
| 73 | Bool result; |
| 74 | XkbSetDetectableAutoRepeat( GDK_DISPLAY(), flag, &result ); |
| 75 | return result; /* TRUE if keyboard hardware supports this mode */ |
| 76 | } |
| 77 | #else |
| 78 | bool wxSetDetectableAutoRepeat( bool WXUNUSED(flag) ) |
| 79 | { |
| 80 | return FALSE; |
| 81 | } |
| 82 | #endif |
| 83 | |
| 84 | #ifdef __WXGTK20__ |
| 85 | // Escapes string so that it is valid Pango markup XML string: |
| 86 | wxString wxEscapeStringForPangoMarkup(const wxString& str) |
| 87 | { |
| 88 | size_t len = str.length(); |
| 89 | wxString out; |
| 90 | out.Alloc(len); |
| 91 | for (size_t i = 0; i < len; i++) |
| 92 | { |
| 93 | wxChar c = str[i]; |
| 94 | switch (c) |
| 95 | { |
| 96 | case _T('&'): |
| 97 | out << _T("&"); |
| 98 | break; |
| 99 | case _T('<'): |
| 100 | out << _T("<"); |
| 101 | break; |
| 102 | case _T('>'): |
| 103 | out << _T(">"); |
| 104 | break; |
| 105 | case _T('\''): |
| 106 | out << _T("'"); |
| 107 | break; |
| 108 | case _T('"'): |
| 109 | out << _T("""); |
| 110 | break; |
| 111 | default: |
| 112 | out << c; |
| 113 | break; |
| 114 | } |
| 115 | } |
| 116 | return out; |
| 117 | } |
| 118 | #endif |
| 119 | |
| 120 | |
| 121 | // ---------------------------------------------------------------------------- |
| 122 | // display characterstics |
| 123 | // ---------------------------------------------------------------------------- |
| 124 | |
| 125 | void *wxGetDisplay() |
| 126 | { |
| 127 | return GDK_DISPLAY(); |
| 128 | } |
| 129 | |
| 130 | void wxDisplaySize( int *width, int *height ) |
| 131 | { |
| 132 | if (width) *width = gdk_screen_width(); |
| 133 | if (height) *height = gdk_screen_height(); |
| 134 | } |
| 135 | |
| 136 | void wxDisplaySizeMM( int *width, int *height ) |
| 137 | { |
| 138 | if (width) *width = gdk_screen_width_mm(); |
| 139 | if (height) *height = gdk_screen_height_mm(); |
| 140 | } |
| 141 | |
| 142 | void wxClientDisplayRect(int *x, int *y, int *width, int *height) |
| 143 | { |
| 144 | // This is supposed to return desktop dimensions minus any window |
| 145 | // manager panels, menus, taskbars, etc. If there is a way to do that |
| 146 | // for this platform please fix this function, otherwise it defaults |
| 147 | // to the entire desktop. |
| 148 | if (x) *x = 0; |
| 149 | if (y) *y = 0; |
| 150 | wxDisplaySize(width, height); |
| 151 | } |
| 152 | |
| 153 | void wxGetMousePosition( int* x, int* y ) |
| 154 | { |
| 155 | gdk_window_get_pointer( (GdkWindow*) NULL, x, y, (GdkModifierType*) NULL ); |
| 156 | } |
| 157 | |
| 158 | bool wxColourDisplay() |
| 159 | { |
| 160 | return TRUE; |
| 161 | } |
| 162 | |
| 163 | int wxDisplayDepth() |
| 164 | { |
| 165 | return gdk_window_get_visual( wxGetRootWindow()->window )->depth; |
| 166 | } |
| 167 | |
| 168 | wxToolkitInfo& wxGUIAppTraits::GetToolkitInfo() |
| 169 | { |
| 170 | static wxToolkitInfo info; |
| 171 | #ifdef __WXGTK20__ |
| 172 | info.shortName = _T("gtk2"); |
| 173 | #else |
| 174 | info.shortName = _T("gtk"); |
| 175 | #endif |
| 176 | info.name = _T("wxGTK"); |
| 177 | #ifdef __WXUNIVERSAL__ |
| 178 | info.shortName << _T("univ"); |
| 179 | info.name << _T("/wxUniversal"); |
| 180 | #endif |
| 181 | info.versionMajor = gtk_major_version; |
| 182 | info.versionMinor = gtk_minor_version; |
| 183 | info.os = wxGTK; |
| 184 | return info; |
| 185 | } |
| 186 | |
| 187 | wxWindow* wxFindWindowAtPoint(const wxPoint& pt) |
| 188 | { |
| 189 | return wxGenericFindWindowAtPoint(pt); |
| 190 | } |
| 191 | |
| 192 | |
| 193 | // ---------------------------------------------------------------------------- |
| 194 | // subprocess routines |
| 195 | // ---------------------------------------------------------------------------- |
| 196 | |
| 197 | extern "C" |
| 198 | void GTK_EndProcessDetector(gpointer data, gint source, |
| 199 | GdkInputCondition WXUNUSED(condition) ) |
| 200 | { |
| 201 | wxEndProcessData *proc_data = (wxEndProcessData *)data; |
| 202 | |
| 203 | // has the process really terminated? unfortunately GDK (or GLib) seem to |
| 204 | // generate G_IO_HUP notification even when it simply tries to read from a |
| 205 | // closed fd and hasn't terminated at all |
| 206 | int pid = (proc_data->pid > 0) ? proc_data->pid : -(proc_data->pid); |
| 207 | int status = 0; |
| 208 | int rc = waitpid(pid, &status, WNOHANG); |
| 209 | |
| 210 | if ( rc == 0 ) |
| 211 | { |
| 212 | // no, it didn't exit yet, continue waiting |
| 213 | return; |
| 214 | } |
| 215 | |
| 216 | // set exit code to -1 if something bad happened |
| 217 | proc_data->exitcode = rc != -1 && WIFEXITED(status) ? WEXITSTATUS(status) |
| 218 | : -1; |
| 219 | |
| 220 | // child exited, end waiting |
| 221 | close(source); |
| 222 | |
| 223 | // don't call us again! |
| 224 | gdk_input_remove(proc_data->tag); |
| 225 | |
| 226 | wxHandleProcessTermination(proc_data); |
| 227 | } |
| 228 | |
| 229 | int wxAddProcessCallback(wxEndProcessData *proc_data, int fd) |
| 230 | { |
| 231 | int tag = gdk_input_add(fd, |
| 232 | GDK_INPUT_READ, |
| 233 | GTK_EndProcessDetector, |
| 234 | (gpointer)proc_data); |
| 235 | |
| 236 | return tag; |
| 237 | } |
| 238 | |