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

diff --git a/src/gtk/clipbrd.cpp b/src/gtk/clipbrd.cpp
index 3188efb47578de1f84c91bd85993253ed49289aa..a8fc2c7ee0f6d3909642fc06c6b365ea58f003bb 100644 (file)
--- a/src/gtk/clipbrd.cpp
+++ b/src/gtk/clipbrd.cpp
@@ -7,10 +7,13 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

 #pragma implementation "clipbrd.h"
 #endif
 
 #pragma implementation "clipbrd.h"
 #endif
 

+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+

 #include "wx/clipbrd.h"
 
 #if wxUSE_CLIPBOARD
 #include "wx/clipbrd.h"
 
 #if wxUSE_CLIPBOARD


@@ -28,8 +31,6 @@
 //-----------------------------------------------------------------------------
 
 #if wxUSE_THREADS
 //-----------------------------------------------------------------------------
 
 #if wxUSE_THREADS

-extern void wxapp_install_thread_wakeup();
-extern void wxapp_uninstall_thread_wakeup();

 #endif
 
 //-----------------------------------------------------------------------------
 #endif
 
 //-----------------------------------------------------------------------------


@@ -39,6 +40,10 @@ extern void wxapp_uninstall_thread_wakeup();
 GdkAtom  g_clipboardAtom   = 0;
 GdkAtom  g_targetsAtom     = 0;
 
 GdkAtom  g_clipboardAtom   = 0;
 GdkAtom  g_targetsAtom     = 0;
 

+#if defined(__WXGTK20__) && wxUSE_UNICODE
+extern GdkAtom g_altTextAtom;
+#endif
+

 // 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!)
 // 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!)


@@ -73,17 +78,16 @@ struct _GtkSelectionData
 // "selection_received" for targets
 //-----------------------------------------------------------------------------
 
 // "selection_received" for targets
 //-----------------------------------------------------------------------------
 

+extern "C" {

 static void
 targets_selection_received( GtkWidget *WXUNUSED(widget),
                             GtkSelectionData *selection_data,
 static void
 targets_selection_received( GtkWidget *WXUNUSED(widget),
                             GtkSelectionData *selection_data,

-#if (GTK_MINOR_VERSION > 0)

                             guint32 WXUNUSED(time),
                             guint32 WXUNUSED(time),

-#endif

                             wxClipboard *clipboard )
 {
     if ( wxTheClipboard && selection_data->length > 0 )
     {
                             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 )
         {
         GdkAtom type = selection_data->type;
         if ( type != GDK_SELECTION_TYPE_ATOM )
         {


@@ -115,6 +119,10 @@ targets_selection_received( GtkWidget *WXUNUSED(widget),
                         wxT("selection received for targets, format %s"),
                         format.GetId().c_str() );
 
                         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;
             if (format == clipboard->m_targetRequested)
             {
                 clipboard->m_waiting = FALSE;


@@ -126,17 +134,17 @@ targets_selection_received( GtkWidget *WXUNUSED(widget),
 
     clipboard->m_waiting = FALSE;
 }
 
     clipboard->m_waiting = FALSE;
 }

+}

 
 //-----------------------------------------------------------------------------
 // "selection_received" for the actual data
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------
 // "selection_received" for the actual data
 //-----------------------------------------------------------------------------
 

+extern "C" {

 static void
 selection_received( GtkWidget *WXUNUSED(widget),
                     GtkSelectionData *selection_data,
 static void
 selection_received( GtkWidget *WXUNUSED(widget),
                     GtkSelectionData *selection_data,

-#if (GTK_MINOR_VERSION > 0)

                     guint32 WXUNUSED(time),
                     guint32 WXUNUSED(time),

-#endif

                     wxClipboard *clipboard )
 {
     if (!wxTheClipboard)
                     wxClipboard *clipboard )
 {
     if (!wxTheClipboard)


@@ -161,31 +169,36 @@ selection_received( GtkWidget *WXUNUSED(widget),
 
     wxDataFormat format( selection_data->target );
 
 
     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;
         return;
     }
 
     if (!data_object->IsSupportedFormat( format ) )
     {
         clipboard->m_waiting = FALSE;
         return;
     }
 

-    /* make sure we got the data in the correct form (selection type).
-       if so, copy data to target object */
+#if 0
+    This seems to cause problems somehow
+    // make sure we got the data in the correct form (selection type).
+    // if so, copy data to target object

     if (selection_data->type != GDK_SELECTION_TYPE_STRING)
     {
         clipboard->m_waiting = FALSE;
         return;
     }
     if (selection_data->type != GDK_SELECTION_TYPE_STRING)
     {
         clipboard->m_waiting = FALSE;
         return;
     }

+#endif

 
     data_object->SetData( format, (size_t) selection_data->length, (const char*) selection_data->data );
 
     wxTheClipboard->m_formatSupported = TRUE;
     clipboard->m_waiting = FALSE;
 }
 
     data_object->SetData( format, (size_t) selection_data->length, (const char*) selection_data->data );
 
     wxTheClipboard->m_formatSupported = TRUE;
     clipboard->m_waiting = FALSE;
 }

+}

 
 //-----------------------------------------------------------------------------
 // "selection_clear"
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------
 // "selection_clear"
 //-----------------------------------------------------------------------------
 

+extern "C" {

 static gint
 selection_clear_clip( GtkWidget *WXUNUSED(widget), GdkEventSelection *event )
 {
 static gint
 selection_clear_clip( GtkWidget *WXUNUSED(widget), GdkEventSelection *event )
 {


@@ -222,11 +235,13 @@ selection_clear_clip( GtkWidget *WXUNUSED(widget), GdkEventSelection *event )
     wxTheClipboard->m_waiting = FALSE;
     return TRUE;
 }
     wxTheClipboard->m_waiting = FALSE;
     return TRUE;
 }

+}

 
 //-----------------------------------------------------------------------------
 // selection handler for supplying data
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------
 // selection handler for supplying data
 //-----------------------------------------------------------------------------
 

+extern "C" {

 static void
 selection_handler( GtkWidget *WXUNUSED(widget),
                    GtkSelectionData *selection_data,
 static void
 selection_handler( GtkWidget *WXUNUSED(widget),
                    GtkSelectionData *selection_data,


@@ -242,45 +257,51 @@ selection_handler( GtkWidget *WXUNUSED(widget),
 
     wxDataFormat format( selection_data->target );
 
 
     wxDataFormat format( selection_data->target );
 

+#ifdef __WXDEBUG__
+    wxLogTrace(TRACE_CLIPBOARD,
+               _T("clipboard data in format %s, GtkSelectionData is target=%s type=%s selection=%s"),
+               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()
+               );
+#endif
+    

     if (!data->IsSupportedFormat( format )) return;
 
     if (!data->IsSupportedFormat( format )) return;
 

-    /* this will fail for composite formats */
-    if (format.GetType() == wxDF_TEXT)
+    int size = data->GetDataSize( format );
+
+    if (size == 0) return;
+
+    void *d = malloc(size);
+
+    // 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))

     {
     {

-        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();
+        gtk_selection_data_set_text(
+            selection_data,
+            (const gchar*)d,
+            size);
+    }
+    else

 #endif
 #endif

+    {

         gtk_selection_data_set(
             selection_data,
             GDK_SELECTION_TYPE_STRING,
             8*sizeof(gchar),
         gtk_selection_data_set(
             selection_data,
             GDK_SELECTION_TYPE_STRING,
             8*sizeof(gchar),

-            (unsigned char*) (const char*) s,
-            len );
-
-        return;
+            (unsigned char*) d,
+            size );

     }
 
     }
 

-    int size = data->GetDataSize( format );
-
-    if (size == 0) return;
-
-    char *d = new char[size];
-
-    data->GetDataHere( selection_data->target, (void*) d );
-
-    gtk_selection_data_set(
-        selection_data,
-        GDK_SELECTION_TYPE_STRING,
-        8*sizeof(gchar),
-        (unsigned char*) d,
-        size );
+    free(d);
+}

 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------


@@ -292,6 +313,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxClipboard,wxObject)
 wxClipboard::wxClipboard()
 {
     m_open = FALSE;
 wxClipboard::wxClipboard()
 {
     m_open = FALSE;

+    m_waiting = FALSE;

 
     m_ownsClipboard = FALSE;
     m_ownsPrimarySelection = FALSE;
 
     m_ownsClipboard = FALSE;
     m_ownsPrimarySelection = FALSE;


@@ -347,11 +369,10 @@ void wxClipboard::Clear()
     {
 #if wxUSE_THREADS
         /* disable GUI threads */
     {
 #if wxUSE_THREADS
         /* disable GUI threads */

-        wxapp_uninstall_thread_wakeup();

 #endif
 
 #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;
         if (gdk_selection_owner_get( g_clipboardAtom ) == m_clipboardWidget->window)
         {
             m_waiting = TRUE;


@@ -380,7 +401,6 @@ void wxClipboard::Clear()
 
 #if wxUSE_THREADS
         /* re-enable GUI threads */
 
 #if wxUSE_THREADS
         /* re-enable GUI threads */

-        wxapp_install_thread_wakeup();

 #endif
     }
 
 #endif
     }
 


@@ -414,16 +434,16 @@ bool wxClipboard::AddData( wxDataObject *data )
 
     wxCHECK_MSG( data, FALSE, wxT("data is invalid") );
 
 
     wxCHECK_MSG( data, FALSE, wxT("data is invalid") );
 

-    /* we can only store one wxDataObject */
+    // we can only store one wxDataObject

     Clear();
 
     m_data = data;
 
     Clear();
 
     m_data = data;
 

-    /* get formats from wxDataObjects */
+    // get formats from wxDataObjects

     wxDataFormat *array = new wxDataFormat[ m_data->GetFormatCount() ];
     m_data->GetAllFormats( array );
 
     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;
 
     GdkAtom clipboard = m_usePrimary ? (GdkAtom)GDK_SELECTION_PRIMARY
                                      : g_clipboardAtom;
 


@@ -434,6 +454,9 @@ bool wxClipboard::AddData( wxDataObject *data )
                     wxT("wxClipboard now supports atom %s"),
                     array[i].GetId().c_str() );
 
                     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],
         gtk_selection_add_target( GTK_WIDGET(m_clipboardWidget),
                                   clipboard,
                                   array[i],


@@ -449,7 +472,6 @@ bool wxClipboard::AddData( wxDataObject *data )
 
 #if wxUSE_THREADS
     /* disable GUI threads */
 
 #if wxUSE_THREADS
     /* disable GUI threads */

-    wxapp_uninstall_thread_wakeup();

 #endif
 
     /* Tell the world we offer clipboard data */
 #endif
 
     /* Tell the world we offer clipboard data */


@@ -464,7 +486,6 @@ bool wxClipboard::AddData( wxDataObject *data )
 
 #if wxUSE_THREADS
     /* re-enable GUI threads */
 
 #if wxUSE_THREADS
     /* re-enable GUI threads */

-    wxapp_install_thread_wakeup();

 #endif
 
     return res;
 #endif
 
     return res;


@@ -490,11 +511,9 @@ bool wxClipboard::IsSupported( const wxDataFormat& format )
     /* store requested format to be asked for by callbacks */
     m_targetRequested = format;
 
     /* store requested format to be asked for by callbacks */
     m_targetRequested = format;
 

-#if 0

     wxLogTrace( TRACE_CLIPBOARD,
                 wxT("wxClipboard:IsSupported: requested format: %s"),
                 format.GetId().c_str() );
     wxLogTrace( TRACE_CLIPBOARD,
                 wxT("wxClipboard:IsSupported: requested format: %s"),
                 format.GetId().c_str() );

-#endif

 
     wxCHECK_MSG( m_targetRequested, FALSE, wxT("invalid clipboard format") );
 
 
     wxCHECK_MSG( m_targetRequested, FALSE, wxT("invalid clipboard format") );
 


@@ -518,9 +537,16 @@ bool wxClipboard::IsSupported( const wxDataFormat& format )
 
     while (m_waiting) gtk_main_iteration();
 
 
     while (m_waiting) gtk_main_iteration();
 

-    if (!m_formatSupported) return FALSE;
+#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 TRUE;
+    return m_formatSupported;

 }
 
 bool wxClipboard::GetData( wxDataObject& data )
 }
 
 bool wxClipboard::GetData( wxDataObject& data )