ConvertToImage: Check !Ok() (we may not have any ref data at all) and if

[wxWidgets.git] / src / gtk1 / clipbrd.cpp

diff --git a/src/gtk1/clipbrd.cpp b/src/gtk1/clipbrd.cpp
index 32d0991d3e6cc9fdaabe7184d3b6b0ddf33ad40b..8ba52502f1882389bdd021ccc26615ad03ebebcb 100644 (file)
--- a/src/gtk1/clipbrd.cpp
+++ b/src/gtk1/clipbrd.cpp
@@ -7,10 +7,13 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "clipbrd.h"
 #endif
 
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
 #include "wx/clipbrd.h"
 
 #if wxUSE_CLIPBOARD
@@ -28,8 +31,6 @@
 //-----------------------------------------------------------------------------
 
 #if wxUSE_THREADS
-extern void wxapp_install_thread_wakeup();
-extern void wxapp_uninstall_thread_wakeup();
 #endif
 
 //-----------------------------------------------------------------------------
@@ -42,7 +43,7 @@ GdkAtom  g_targetsAtom     = 0;
 // the trace mask we use with wxLogTrace() - call
 // wxLog::AddTraceMask(TRACE_CLIPBOARD) to enable the trace messages from here
 // (there will be a *lot* of them!)
-static const char *TRACE_CLIPBOARD = _T("clipboard");
+static const wxChar *TRACE_CLIPBOARD = _T("clipboard");
 
 //-----------------------------------------------------------------------------
 // reminder
@@ -76,14 +77,12 @@ struct _GtkSelectionData
 static void
 targets_selection_received( GtkWidget *WXUNUSED(widget),
                             GtkSelectionData *selection_data,
-#if (GTK_MINOR_VERSION > 0)
                             guint32 WXUNUSED(time),
-#endif
                             wxClipboard *clipboard )
 {
     if ( wxTheClipboard && selection_data->length > 0 )
     {
-        /* make sure we got the data in the correct form */
+        // make sure we got the data in the correct form
         GdkAtom type = selection_data->type;
         if ( type != GDK_SELECTION_TYPE_ATOM )
         {
@@ -115,6 +114,10 @@ targets_selection_received( GtkWidget *WXUNUSED(widget),
                         wxT("selection received for targets, format %s"),
                         format.GetId().c_str() );
 
+//            printf( "format %s requested %s\n", 
+//                    gdk_atom_name( atoms[i] ),
+//                    gdk_atom_name( clipboard->m_targetRequested ) );
+
             if (format == clipboard->m_targetRequested)
             {
                 clipboard->m_waiting = FALSE;
@@ -134,9 +137,7 @@ targets_selection_received( GtkWidget *WXUNUSED(widget),
 static void
 selection_received( GtkWidget *WXUNUSED(widget),
                     GtkSelectionData *selection_data,
-#if (GTK_MINOR_VERSION > 0)
                     guint32 WXUNUSED(time),
-#endif
                     wxClipboard *clipboard )
 {
     if (!wxTheClipboard)
@@ -161,7 +162,7 @@ selection_received( GtkWidget *WXUNUSED(widget),
 
     wxDataFormat format( selection_data->target );
 
-    /* make sure we got the data in the correct format */
+    // make sure we got the data in the correct format
     if (!data_object->IsSupportedFormat( format ) )
     {
         clipboard->m_waiting = FALSE;
@@ -212,7 +213,7 @@ selection_clear_clip( GtkWidget *WXUNUSED(widget), GdkEventSelection *event )
         /* the clipboard is no longer in our hands. we can the delete clipboard data. */
         if (wxTheClipboard->m_data)
         {
-            wxLogDebug( wxT("wxClipboard will get cleared" ) );
+            wxLogTrace(TRACE_CLIPBOARD, wxT("wxClipboard will get cleared" ));
 
             delete wxTheClipboard->m_data;
             wxTheClipboard->m_data = (wxDataObject*) NULL;
@@ -244,36 +245,14 @@ selection_handler( GtkWidget *WXUNUSED(widget),
 
     if (!data->IsSupportedFormat( format )) return;
 
-    /* this will fail for composite formats */
-    if (format.GetType() == wxDF_TEXT)
-    {
-        wxTextDataObject *text_object = (wxTextDataObject*) data;
-        wxString text( text_object->GetText() );
-
-#if wxUSE_UNICODE
-        const wxWX2MBbuf s = text.mbc_str();
-        int len = strlen(s);
-#else // more efficient in non-Unicode
-        const char *s = text.c_str();
-        int len = (int) text.Length();
-#endif
-        gtk_selection_data_set(
-            selection_data,
-            GDK_SELECTION_TYPE_STRING,
-            8*sizeof(gchar),
-            (unsigned char*) (const char*) s,
-            len );
-
-        return;
-    }
-
     int size = data->GetDataSize( format );
 
     if (size == 0) return;
 
-    char *d = new char[size];
+    void *d = malloc(size);
 
-    data->GetDataHere( selection_data->target, (void*) d );
+    // Text data will be in UTF8 in Unicode mode.
+    data->GetDataHere( selection_data->target, d );
 
     gtk_selection_data_set(
         selection_data,
@@ -281,6 +260,8 @@ selection_handler( GtkWidget *WXUNUSED(widget),
         8*sizeof(gchar),
         (unsigned char*) d,
         size );
+
+    free(d);
 }
 
 //-----------------------------------------------------------------------------
@@ -292,6 +273,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxClipboard,wxObject)
 wxClipboard::wxClipboard()
 {
     m_open = FALSE;
+    m_waiting = FALSE;
 
     m_ownsClipboard = FALSE;
     m_ownsPrimarySelection = FALSE;
@@ -347,11 +329,10 @@ void wxClipboard::Clear()
     {
 #if wxUSE_THREADS
         /* disable GUI threads */
-        wxapp_uninstall_thread_wakeup();
 #endif
 
-        /*  As we have data we also own the clipboard. Once we no longer own
-            it, clear_selection is called which will set m_data to zero */
+        //  As we have data we also own the clipboard. Once we no longer own
+        //  it, clear_selection is called which will set m_data to zero
         if (gdk_selection_owner_get( g_clipboardAtom ) == m_clipboardWidget->window)
         {
             m_waiting = TRUE;
@@ -380,7 +361,6 @@ void wxClipboard::Clear()
 
 #if wxUSE_THREADS
         /* re-enable GUI threads */
-        wxapp_install_thread_wakeup();
 #endif
     }
 
@@ -414,16 +394,16 @@ bool wxClipboard::AddData( wxDataObject *data )
 
     wxCHECK_MSG( data, FALSE, wxT("data is invalid") );
 
-    /* we can only store one wxDataObject */
+    // we can only store one wxDataObject
     Clear();
 
     m_data = data;
 
-    /* get formats from wxDataObjects */
+    // get formats from wxDataObjects
     wxDataFormat *array = new wxDataFormat[ m_data->GetFormatCount() ];
     m_data->GetAllFormats( array );
 
-    /* primary selection or clipboard */
+    // primary selection or clipboard
     GdkAtom clipboard = m_usePrimary ? (GdkAtom)GDK_SELECTION_PRIMARY
                                      : g_clipboardAtom;
 
@@ -434,6 +414,9 @@ bool wxClipboard::AddData( wxDataObject *data )
                     wxT("wxClipboard now supports atom %s"),
                     array[i].GetId().c_str() );
 
+//        printf( "added %s\n", 
+//                    gdk_atom_name( array[i].GetFormatId() ) );
+                    
         gtk_selection_add_target( GTK_WIDGET(m_clipboardWidget),
                                   clipboard,
                                   array[i],
@@ -449,7 +432,6 @@ bool wxClipboard::AddData( wxDataObject *data )
 
 #if wxUSE_THREADS
     /* disable GUI threads */
-    wxapp_uninstall_thread_wakeup();
 #endif
 
     /* Tell the world we offer clipboard data */
@@ -464,7 +446,6 @@ bool wxClipboard::AddData( wxDataObject *data )
 
 #if wxUSE_THREADS
     /* re-enable GUI threads */
-    wxapp_install_thread_wakeup();
 #endif
 
     return res;
@@ -590,7 +571,8 @@ bool wxClipboard::GetData( wxDataObject& data )
 
         m_waiting = TRUE;
 
-        wxLogDebug( wxT("wxClipboard::GetData: format found, start convert") );
+        wxLogTrace( TRACE_CLIPBOARD,
+                    wxT("wxClipboard::GetData: format found, start convert") );
 
         gtk_selection_convert( m_clipboardWidget,
                                m_usePrimary ? (GdkAtom)GDK_SELECTION_PRIMARY
@@ -608,7 +590,8 @@ bool wxClipboard::GetData( wxDataObject& data )
         return TRUE;
     }
 
-    wxLogDebug( wxT("wxClipboard::GetData: format not found") );
+    wxLogTrace( TRACE_CLIPBOARD,
+                wxT("wxClipboard::GetData: format not found") );
 
     /* return failure */
     delete[] array;