]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk1/clipbrd.cpp
Simplify wxWinCE #ifdefs.
[wxWidgets.git] / src / gtk1 / clipbrd.cpp
index 0f5eda18713885c148f92dfe4ccd29734b60a95f..02f3374010cba02bf4604bbf84f29788db08e9d6 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        gtk/clipbrd.cpp
+// Name:        src/gtk1/clipbrd.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
@@ -7,42 +7,31 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "clipbrd.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
+#if wxUSE_CLIPBOARD
+
 #include "wx/clipbrd.h"
 
-#if wxUSE_CLIPBOARD
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+#endif
 
 #include "wx/dataobj.h"
 #include "wx/utils.h"
-#include "wx/log.h"
 
 #include <glib.h>
 #include <gdk/gdk.h>
 #include <gtk/gtk.h>
 
-//-----------------------------------------------------------------------------
-// thread system
-//-----------------------------------------------------------------------------
-
-#if wxUSE_THREADS
-#endif
-
 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------
 
 GdkAtom  g_clipboardAtom   = 0;
 GdkAtom  g_targetsAtom     = 0;
-
-#if defined(__WXGTK20__) && wxUSE_UNICODE
-extern GdkAtom g_altTextAtom;
-#endif
+GdkAtom  g_timestampAtom   = 0;
 
 // the trace mask we use with wxLogTrace() - call
 // wxLog::AddTraceMask(TRACE_CLIPBOARD) to enable the trace messages from here
@@ -91,14 +80,17 @@ targets_selection_received( GtkWidget *WXUNUSED(widget),
         GdkAtom type = selection_data->type;
         if ( type != GDK_SELECTION_TYPE_ATOM )
         {
-            if ( strcmp(gdk_atom_name(type), "TARGETS") )
+            gchar* atom_name = gdk_atom_name(type);
+            if ( strcmp(atom_name, "TARGETS") )
             {
                 wxLogTrace( TRACE_CLIPBOARD,
                             _T("got unsupported clipboard target") );
 
                 clipboard->m_waiting = FALSE;
+                g_free(atom_name);
                 return;
             }
+            g_free(atom_name);
         }
 
 #ifdef __WXDEBUG__
@@ -119,7 +111,7 @@ targets_selection_received( GtkWidget *WXUNUSED(widget),
                         wxT("selection received for targets, format %s"),
                         format.GetId().c_str() );
 
-//            printf( "format %s requested %s\n", 
+//            printf( "format %s requested %s\n",
 //                    gdk_atom_name( atoms[i] ),
 //                    gdk_atom_name( clipboard->m_targetRequested ) );
 
@@ -247,7 +239,7 @@ selection_handler( GtkWidget *WXUNUSED(widget),
                    GtkSelectionData *selection_data,
                    guint WXUNUSED(info),
                    guint WXUNUSED(time),
-                   gpointer WXUNUSED(data) )
+                   gpointer signal_data )
 {
     if (!wxTheClipboard) return;
 
@@ -255,18 +247,37 @@ selection_handler( GtkWidget *WXUNUSED(widget),
 
     wxDataObject *data = wxTheClipboard->m_data;
 
+    // ICCCM says that TIMESTAMP is a required atom.
+    // In particular, it satisfies Klipper, which polls
+    // TIMESTAMP to see if the clipboards content has changed.
+    // It shall return the time which was used to set the data.
+    if (selection_data->target == g_timestampAtom)
+    {
+        guint timestamp = GPOINTER_TO_UINT (signal_data);
+        gtk_selection_data_set(selection_data,
+                               GDK_SELECTION_TYPE_INTEGER,
+                               32,
+                               (guchar*)&(timestamp),
+                               sizeof(timestamp));
+        wxLogTrace(TRACE_CLIPBOARD,
+                   _T("Clipboard TIMESTAMP requested, returning timestamp=%u"),
+                   timestamp);
+        return;
+    }
+
     wxDataFormat format( selection_data->target );
 
 #ifdef __WXDEBUG__
     wxLogTrace(TRACE_CLIPBOARD,
-               _T("clipboard data in format %s, GtkSelectionData is target=%s type=%s selection=%s"),
+               _T("clipboard data in format %s, GtkSelectionData is target=%s type=%s selection=%s timestamp=%u"),
                format.GetId().c_str(),
                wxString::FromAscii(gdk_atom_name(selection_data->target)).c_str(),
                wxString::FromAscii(gdk_atom_name(selection_data->type)).c_str(),
-               wxString::FromAscii(gdk_atom_name(selection_data->selection)).c_str()
+               wxString::FromAscii(gdk_atom_name(selection_data->selection)).c_str(),
+               GPOINTER_TO_UINT( signal_data )
                );
 #endif
-    
+
     if (!data->IsSupportedFormat( format )) return;
 
     int size = data->GetDataSize( format );
@@ -278,27 +289,12 @@ selection_handler( GtkWidget *WXUNUSED(widget),
     // Text data will be in UTF8 in Unicode mode.
     data->GetDataHere( selection_data->target, d );
 
-#ifdef __WXGTK20__
-    // NB: GTK+ requires special treatment of UTF8_STRING data, the text
-    //     would show as UTF-8 data interpreted as latin1 (?) in other
-    //     GTK+ apps if we used gtk_selection_data_set()
-    if (format == wxDataFormat(wxDF_UNICODETEXT))
-    {
-        gtk_selection_data_set_text(
-            selection_data,
-            (const gchar*)d,
-            size-1 );
-    }
-    else
-#endif
-    {
-        gtk_selection_data_set(
+    gtk_selection_data_set(
             selection_data,
             GDK_SELECTION_TYPE_STRING,
-            8*sizeof(gchar),
+            8 * sizeof(gchar),
             (unsigned char*) d,
-            size-1 );
-    }
+            size );
 
     free(d);
 }
@@ -348,6 +344,7 @@ wxClipboard::wxClipboard()
 
     if (!g_clipboardAtom) g_clipboardAtom = gdk_atom_intern( "CLIPBOARD", FALSE );
     if (!g_targetsAtom) g_targetsAtom = gdk_atom_intern ("TARGETS", FALSE);
+    if (!g_timestampAtom) g_timestampAtom = gdk_atom_intern ("TIMESTAMP", FALSE);
 
     m_formatSupported = FALSE;
     m_targetRequested = 0;
@@ -447,6 +444,11 @@ bool wxClipboard::AddData( wxDataObject *data )
     GdkAtom clipboard = m_usePrimary ? (GdkAtom)GDK_SELECTION_PRIMARY
                                      : g_clipboardAtom;
 
+    // by default provide TIMESTAMP as a target
+    gtk_selection_add_target( GTK_WIDGET(m_clipboardWidget),
+                              clipboard,
+                              g_timestampAtom,
+                              0 );
 
     for (size_t i = 0; i < m_data->GetFormatCount(); i++)
     {
@@ -454,9 +456,9 @@ bool wxClipboard::AddData( wxDataObject *data )
                     wxT("wxClipboard now supports atom %s"),
                     array[i].GetId().c_str() );
 
-//        printf( "added %s\n", 
+//        printf( "added %s\n",
 //                    gdk_atom_name( array[i].GetFormatId() ) );
-                    
+
         gtk_selection_add_target( GTK_WIDGET(m_clipboardWidget),
                                   clipboard,
                                   array[i],
@@ -468,7 +470,7 @@ bool wxClipboard::AddData( wxDataObject *data )
     gtk_signal_connect( GTK_OBJECT(m_clipboardWidget),
                         "selection_get",
                         GTK_SIGNAL_FUNC(selection_handler),
-                        (gpointer) NULL );
+                        GUINT_TO_POINTER( gdk_event_get_time(gtk_get_current_event()) ) );
 
 #if wxUSE_THREADS
     /* disable GUI threads */
@@ -537,15 +539,6 @@ bool wxClipboard::IsSupported( const wxDataFormat& format )
 
     while (m_waiting) gtk_main_iteration();
 
-#if defined(__WXGTK20__) && wxUSE_UNICODE
-    if (!m_formatSupported && format == wxDataFormat(wxDF_UNICODETEXT))
-    {
-        // Another try with plain STRING format
-        extern GdkAtom g_altTextAtom;
-        return IsSupported(g_altTextAtom);
-    }
-#endif
-
     return m_formatSupported;
 }
 
@@ -645,4 +638,3 @@ bool wxClipboard::GetData( wxDataObject& data )
 
 #endif
   // wxUSE_CLIPBOARD
-