X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f0492f7d97d77ec085e58d3f4a66c86508bc5f31..c0da0dbabf2d3cf8e1a76a2c82608822d15d0625:/src/gtk/utilsgtk.cpp diff --git a/src/gtk/utilsgtk.cpp b/src/gtk/utilsgtk.cpp index 4a64e6a797..72757f441b 100644 --- a/src/gtk/utilsgtk.cpp +++ b/src/gtk/utilsgtk.cpp @@ -1,70 +1,166 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: utils.cpp +// Name: src/gtk/utilsgtk.cpp // Purpose: // Author: Robert Roebling // Id: $Id$ -// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem +// Copyright: (c) 1998 Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + #include "wx/utils.h" -#include "wx/string.h" -#include "wx/intl.h" -#include "wx/log.h" +#ifndef WX_PRECOMP + #include "wx/string.h" + #include "wx/intl.h" + #include "wx/log.h" +#endif + +#include "wx/apptrait.h" #include "wx/process.h" #include "wx/unix/execute.h" +#ifdef __WXDEBUG__ + #include "wx/gtk/assertdlg_gtk.h" + #if wxUSE_STACKWALKER + #include "wx/stackwalk.h" + #endif // wxUSE_STACKWALKER +#endif // __WXDEBUG__ + #include -#include #include #include #include +#include // for WNOHANG #include -#include -#include -#include -#include -#include -#include // for O_WRONLY and friends - -#include -#include -#include -#include -#include -#include "X11/XKBlib.h" -// ---------------------------------------------------------------------------- +#include "glib.h" +#include "gdk/gdk.h" +#include "gtk/gtk.h" +#include "gdk/gdkx.h" + +#ifdef HAVE_X11_XKBLIB_H + /* under HP-UX and Solaris 2.6, at least, XKBlib.h defines structures with + * field named "explicit" - which is, of course, an error for a C++ + * compiler. To be on the safe side, just redefine it everywhere. */ + #define explicit __wx_explicit + + #include "X11/XKBlib.h" + + #undef explicit +#endif // HAVE_X11_XKBLIB_H + + +#if wxUSE_DETECT_SM + #include "X11/Xlib.h" + #include "X11/SM/SMlib.h" +#endif + +//----------------------------------------------------------------------------- +// data +//----------------------------------------------------------------------------- + +extern GtkWidget *wxGetRootWindow(); + +//---------------------------------------------------------------------------- // misc. -// ---------------------------------------------------------------------------- +//---------------------------------------------------------------------------- +#ifndef __EMX__ +// on OS/2, we use the wxBell from wxBase library void wxBell() { gdk_beep(); } +#endif -// Synthesize KeyUp events holding down a key and producing -// KeyDown events with autorepeat. +/* Don't synthesize KeyUp events holding down a key and producing + KeyDown events with autorepeat. */ +#ifdef HAVE_X11_XKBLIB_H bool wxSetDetectableAutoRepeat( bool flag ) { Bool result; XkbSetDetectableAutoRepeat( GDK_DISPLAY(), flag, &result ); - return result; // true if keyboard hardware supports this mode + return result; /* true if keyboard hardware supports this mode */ +} +#else +bool wxSetDetectableAutoRepeat( bool WXUNUSED(flag) ) +{ + return false; +} +#endif + +// Escapes string so that it is valid Pango markup XML string: +wxString wxEscapeStringForPangoMarkup(const wxString& str) +{ + size_t len = str.length(); + wxString out; + out.Alloc(len); + for (size_t i = 0; i < len; i++) + { + wxChar c = str[i]; + switch (c) + { + case _T('&'): + out << _T("&"); + break; + case _T('<'): + out << _T("<"); + break; + case _T('>'): + out << _T(">"); + break; + case _T('\''): + out << _T("'"); + break; + case _T('"'): + out << _T("""); + break; + default: + out << c; + break; + } + } + return out; } + // ---------------------------------------------------------------------------- // display characterstics // ---------------------------------------------------------------------------- +void *wxGetDisplay() +{ + return GDK_DISPLAY(); +} + void wxDisplaySize( int *width, int *height ) { if (width) *width = gdk_screen_width(); if (height) *height = gdk_screen_height(); } +void wxDisplaySizeMM( int *width, int *height ) +{ + if (width) *width = gdk_screen_width_mm(); + if (height) *height = gdk_screen_height_mm(); +} + +void wxClientDisplayRect(int *x, int *y, int *width, int *height) +{ + // This is supposed to return desktop dimensions minus any window + // manager panels, menus, taskbars, etc. If there is a way to do that + // for this platform please fix this function, otherwise it defaults + // to the entire desktop. + if (x) *x = 0; + if (y) *y = 0; + wxDisplaySize(width, height); +} + void wxGetMousePosition( int* x, int* y ) { gdk_window_get_pointer( (GdkWindow*) NULL, x, y, (GdkModifierType*) NULL ); @@ -72,35 +168,85 @@ void wxGetMousePosition( int* x, int* y ) bool wxColourDisplay() { - return TRUE; + return true; } int wxDisplayDepth() { - return gdk_window_get_visual( (GdkWindow*) &gdk_root_parent )->depth; + return gdk_drawable_get_visual( wxGetRootWindow()->window )->depth; +} + +wxWindow* wxFindWindowAtPoint(const wxPoint& pt) +{ + return wxGenericFindWindowAtPoint(pt); } -int wxGetOsVersion(int *majorVsn, int *minorVsn) +#if !wxUSE_UNICODE + +wxCharBuffer wxConvertToGTK(const wxString& s, wxFontEncoding enc) { - if (majorVsn) *majorVsn = GTK_MAJOR_VERSION; - if (minorVsn) *minorVsn = GTK_MINOR_VERSION; + wxWCharBuffer wbuf; + if ( enc == wxFONTENCODING_SYSTEM || enc == wxFONTENCODING_DEFAULT ) + { + wbuf = wxConvUI->cMB2WC(s); + } + else // another encoding, use generic conversion class + { + wbuf = wxCSConv(enc).cMB2WC(s); + } - return wxGTK; + if ( !wbuf && !s.empty() ) + { + // conversion failed, but we still want to show something to the user + // even if it's going to be wrong it is better than nothing + // + // we choose ISO8859-1 here arbitrarily, it's just the most common + // encoding probably and, also importantly here, conversion from it + // never fails as it's done internally by wxCSConv + wbuf = wxCSConv(wxFONTENCODING_ISO8859_1).cMB2WC(s); + } + + return wxConvUTF8.cWC2MB(wbuf); } +#endif // !wxUSE_UNICODE + // ---------------------------------------------------------------------------- // subprocess routines // ---------------------------------------------------------------------------- -static void GTK_EndProcessDetector(gpointer data, gint source, - GdkInputCondition WXUNUSED(condition) ) +extern "C" { +static +void GTK_EndProcessDetector(gpointer data, gint source, + GdkInputCondition WXUNUSED(condition) ) { - wxEndProcessData *proc_data = (wxEndProcessData *)data; + wxEndProcessData *proc_data = (wxEndProcessData *)data; + + // has the process really terminated? unfortunately GDK (or GLib) seem to + // generate G_IO_HUP notification even when it simply tries to read from a + // closed fd and hasn't terminated at all + int pid = (proc_data->pid > 0) ? proc_data->pid : -(proc_data->pid); + int status = 0; + int rc = waitpid(pid, &status, WNOHANG); - wxHandleProcessTermination(proc_data); + if ( rc == 0 ) + { + // no, it didn't exit yet, continue waiting + return; + } - close(source); - gdk_input_remove(proc_data->tag); + // set exit code to -1 if something bad happened + proc_data->exitcode = rc != -1 && WIFEXITED(status) ? WEXITSTATUS(status) + : -1; + + // child exited, end waiting + close(source); + + // don't call us again! + gdk_input_remove(proc_data->tag); + + wxHandleProcessTermination(proc_data); +} } int wxAddProcessCallback(wxEndProcessData *proc_data, int fd) @@ -113,3 +259,181 @@ int wxAddProcessCallback(wxEndProcessData *proc_data, int fd) return tag; } + + +// ---------------------------------------------------------------------------- +// wxPlatformInfo-related +// ---------------------------------------------------------------------------- + +wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const +{ + if ( verMaj ) + *verMaj = gtk_major_version; + if ( verMin ) + *verMin = gtk_minor_version; + + return wxPORT_GTK; +} + +#if wxUSE_DETECT_SM +static wxString GetSM() +{ + class Dpy + { + public: + Dpy() { m_dpy = XOpenDisplay(NULL); } + ~Dpy() { if ( m_dpy ) XCloseDisplay(m_dpy); } + + operator Display *() const { return m_dpy; } + private: + Display *m_dpy; + } dpy; + + if ( !dpy ) + return wxEmptyString; + + char *client_id; + SmcConn smc_conn = SmcOpenConnection(NULL, NULL, + 999, 999, + 0 /* mask */, NULL /* callbacks */, + NULL, &client_id, + 0, NULL); + + if ( !smc_conn ) + return wxEmptyString; + + char *vendor = SmcVendor(smc_conn); + wxString ret = wxString::FromAscii( vendor ); + free(vendor); + + SmcCloseConnection(smc_conn, 0, NULL); + free(client_id); + + return ret; +} +#endif // wxUSE_DETECT_SM + + +//----------------------------------------------------------------------------- +// wxGUIAppTraits +//----------------------------------------------------------------------------- + +#ifdef __WXDEBUG__ + +#if wxUSE_STACKWALKER + +// private helper class +class StackDump : public wxStackWalker +{ +public: + StackDump(GtkAssertDialog *dlg) { m_dlg=dlg; } + +protected: + virtual void OnStackFrame(const wxStackFrame& frame) + { + wxString fncname = frame.GetName(); + wxString fncargs = fncname; + + size_t n = fncname.find(wxT('(')); + if (n != wxString::npos) + { + // remove arguments from function name + fncname.erase(n); + + // remove function name and brackets from arguments + fncargs = fncargs.substr(n+1, fncargs.length()-n-2); + } + else + fncargs = wxEmptyString; + + // append this stack frame's info in the dialog + if (!frame.GetFileName().empty() || !fncname.empty()) + gtk_assert_dialog_append_stack_frame(m_dlg, + fncname.mb_str(), + fncargs.mb_str(), + frame.GetFileName().mb_str(), + frame.GetLine()); + } + +private: + GtkAssertDialog *m_dlg; +}; + +// the callback functions must be extern "C" to comply with GTK+ declarations +extern "C" +{ + void get_stackframe_callback(StackDump *dump) + { + // skip over frames up to including wxOnAssert() + dump->ProcessFrames(3); + } +} + +#endif // wxUSE_STACKWALKER + +bool wxGUIAppTraits::ShowAssertDialog(const wxString& msg) +{ + // under GTK2 we prefer to use a dialog widget written using directly GTK+; + // in fact we cannot use a dialog written using wxWidgets: it would need + // the wxWidgets idle processing to work correctly! + GtkWidget *dialog = gtk_assert_dialog_new(); + gtk_assert_dialog_set_message(GTK_ASSERT_DIALOG(dialog), msg.mb_str()); + +#if wxUSE_STACKWALKER + // don't show more than maxLines or we could get a dialog too tall to be + // shown on screen: 20 should be ok everywhere as even with 15 pixel high + // characters it is still only 300 pixels... + static const int maxLines = 20; + + // save current stack frame... + StackDump dump(GTK_ASSERT_DIALOG(dialog)); + dump.SaveStack(maxLines); + + // ...but process it only if the user needs it + gtk_assert_dialog_set_backtrace_callback(GTK_ASSERT_DIALOG(dialog), + (GtkAssertDialogStackFrameCallback)get_stackframe_callback, + &dump); +#endif // wxUSE_STACKWALKER + + gint result = gtk_dialog_run(GTK_DIALOG (dialog)); + bool returnCode = false; + switch (result) + { + case GTK_ASSERT_DIALOG_STOP: + wxTrap(); + break; + case GTK_ASSERT_DIALOG_CONTINUE: + // nothing to do + break; + case GTK_ASSERT_DIALOG_CONTINUE_SUPPRESSING: + // no more asserts + returnCode = true; + break; + + default: + wxFAIL_MSG( _T("unexpected return code from GtkAssertDialog") ); + } + + gtk_widget_destroy(dialog); + return returnCode; +} + +#endif // __WXDEBUG__ + +wxString wxGUIAppTraits::GetDesktopEnvironment() const +{ +#if wxUSE_DETECT_SM + const wxString SM = GetSM(); + + if (SM == wxT("GnomeSM")) + return wxT("GNOME"); + + if (SM == wxT("KDE")) + return wxT("KDE"); +#endif // wxUSE_DETECT_SM + + return wxEmptyString; +} + + +