]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/utilsgtk.cpp
added HasExtraStyle()
[wxWidgets.git] / src / gtk / utilsgtk.cpp
index dc1d99dd9b1ed38184aaf981ad4f76ecbdcb11f4..2ce48b8fb1ca19dae25f4be50873dd70148074b8 100644 (file)
@@ -4,23 +4,35 @@
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
-// Licence:     wxWidgets licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #include "wx/utils.h"
-#include "wx/string.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/string.h"
+    #include "wx/intl.h"
+    #include "wx/log.h"
+#endif
 
 #include "wx/apptrait.h"
-#include "wx/intl.h"
-#include "wx/log.h"
 
 #include "wx/process.h"
 
 #include "wx/unix/execute.h"
 
+#include "wx/gtk/private/timer.h"
+
+#ifdef __WXDEBUG__
+    #include "wx/gtk/assertdlg_gtk.h"
+    #if wxUSE_STACKWALKER
+        #include "wx/stackwalk.h"
+    #endif // wxUSE_STACKWALKER
+#endif // __WXDEBUG__
+
 #include <stdarg.h>
 #include <string.h>
 #include <sys/stat.h>
@@ -31,9 +43,6 @@
 #include "glib.h"
 #include "gdk/gdk.h"
 #include "gtk/gtk.h"
-#ifndef __WXGTK20__
-#include "gtk/gtkfeatures.h"
-#endif
 #include "gdk/gdkx.h"
 
 #ifdef HAVE_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
 //-----------------------------------------------------------------------------
@@ -72,15 +87,50 @@ 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;
+    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("&amp;");
+                break;
+            case _T('<'):
+                out << _T("&lt;");
+                break;
+            case _T('>'):
+                out << _T("&gt;");
+                break;
+            case _T('\''):
+                out << _T("&apos;");
+                break;
+            case _T('"'):
+                out << _T("&quot;");
+                break;
+            default:
+                out << c;
+                break;
+        }
+    }
+    return out;
+}
+
+
 // ----------------------------------------------------------------------------
 // display characterstics
 // ----------------------------------------------------------------------------
@@ -120,36 +170,79 @@ void wxGetMousePosition( int* x, int* y )
 
 bool wxColourDisplay()
 {
-    return TRUE;
+    return true;
 }
 
 int wxDisplayDepth()
 {
-    return gdk_window_get_visual( wxGetRootWindow()->window )->depth;
+    return gdk_drawable_get_visual( wxGetRootWindow()->window )->depth;
 }
 
-wxToolkitInfo& wxGUIAppTraits::GetToolkitInfo()
+wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 {
-    static wxToolkitInfo info;
-#ifdef __WXGTK20__
-    info.shortName = _T("gtk2");
-#else
-    info.shortName = _T("gtk");
-#endif
-    info.name = _T("wxGTK");
-#ifdef __WXUNIVERSAL__
-    info.shortName << _T("univ");
-    info.name << _T("/wxUniversal");
-#endif
-    info.versionMajor = gtk_major_version;
-    info.versionMinor = gtk_minor_version;
-    info.os = wxGTK;
-    return info;
+    return wxGenericFindWindowAtPoint(pt);
 }
 
-wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
+#if !wxUSE_UNICODE
+
+wxCharBuffer wxConvertToGTK(const wxString& s, wxFontEncoding enc)
 {
-    return wxGenericFindWindowAtPoint(pt);
+    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);
+    }
+
+    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);
+}
+
+wxCharBuffer wxConvertFromGTK(const wxString& s, wxFontEncoding enc)
+{
+    // this conversion should never fail as GTK+ always uses UTF-8 internally
+    // so there are no complications here
+    const wxWCharBuffer wbuf(wxConvUTF8.cMB2WC(s));
+    if ( enc == wxFONTENCODING_SYSTEM )
+        return wxConvUI->cWC2MB(wbuf);
+
+    return wxCSConv(enc).cWC2MB(wbuf);
+}
+
+#endif // !wxUSE_UNICODE
+
+// Returns false if version is certainly greater or equal than major.minor.micro
+// Returns true if version is lower than major.minor.micro OR it cannot be
+// determined and one should not rely on the availability of pango version
+// major.minor.micro, nor the non-availability
+const gchar *wx_pango_version_check (int major, int minor, int micro)
+{
+#ifdef PANGO_VERSION_MAJOR
+    if (!gtk_check_version (2,11,0))
+    {
+        // GTK+ 2.11 requires Pango >= 1.15.3 and pango_version_check
+        // was added in Pango 1.15.2 thus we know for sure the pango lib we're
+        // using has the pango_version_check function:
+        return pango_version_check (major, minor, micro);
+    }
+
+    return "can't check";
+#else // !PANGO_VERSION_MAJOR
+    return "too old headers";
+#endif
 }
 
 
@@ -157,7 +250,8 @@ wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 // subprocess routines
 // ----------------------------------------------------------------------------
 
-extern "C"
+extern "C" {
+static
 void GTK_EndProcessDetector(gpointer data, gint source,
                             GdkInputCondition WXUNUSED(condition) )
 {
@@ -188,6 +282,7 @@ void GTK_EndProcessDetector(gpointer data, gint source,
 
    wxHandleProcessTermination(proc_data);
 }
+}
 
 int wxAddProcessCallback(wxEndProcessData *proc_data, int fd)
 {
@@ -199,3 +294,193 @@ 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;
+}
+
+wxTimerImpl *wxGUIAppTraits::CreateTimerImpl(wxTimer *timer)
+{
+    return new wxGTKTimerImpl(timer);
+}
+
+#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
+//-----------------------------------------------------------------------------
+
+#if wxUSE_INTL
+void wxGUIAppTraits::SetLocale()
+{
+    gtk_set_locale();
+}
+#endif
+
+#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;
+}
+
+
+