Back to unsigned int count in wxTreeCtrl.

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

diff --git a/src/gtk/clipbrd.cpp b/src/gtk/clipbrd.cpp
index 58b1952e1708befa571095c6b1d320f43825183b..3dabd926b419a8cd5bd5a078313a84f287c78e78 100644 (file)
--- a/src/gtk/clipbrd.cpp
+++ b/src/gtk/clipbrd.cpp
@@ -7,9 +7,8 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation "clipbrd.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"

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


@@ -19,17 +18,13 @@
 #include "wx/utils.h"
 #include "wx/log.h"
 
 #include "wx/utils.h"
 #include "wx/log.h"
 

-#include "glib.h"
-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
+#include "wx/gtk/private.h"

 
 //-----------------------------------------------------------------------------
 // thread system
 //-----------------------------------------------------------------------------
 
 #if wxUSE_THREADS
 
 //-----------------------------------------------------------------------------
 // thread system
 //-----------------------------------------------------------------------------
 
 #if wxUSE_THREADS

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

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


@@ -38,11 +33,16 @@ extern void wxapp_uninstall_thread_wakeup();
 
 GdkAtom  g_clipboardAtom   = 0;
 GdkAtom  g_targetsAtom     = 0;
 
 GdkAtom  g_clipboardAtom   = 0;
 GdkAtom  g_targetsAtom     = 0;

+GdkAtom  g_timestampAtom   = 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!)

-static const char *TRACE_CLIPBOARD = _T("clipboard");
+static const wxChar *TRACE_CLIPBOARD = _T("clipboard");

 
 //-----------------------------------------------------------------------------
 // reminder
 
 //-----------------------------------------------------------------------------
 // reminder


@@ -73,21 +73,20 @@ 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 )
         {

-            if ( strcmp(gdk_atom_name(type), "TARGETS") )
+            if ( strcmp(wxGtkString(gdk_atom_name(type)), "TARGETS") )

             {
                 wxLogTrace( TRACE_CLIPBOARD,
                             _T("got unsupported clipboard target") );
             {
                 wxLogTrace( TRACE_CLIPBOARD,
                             _T("got unsupported clipboard target") );


@@ -115,6 +114,10 @@ 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 +129,17 @@ 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 +164,36 @@ 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 )
 {


@@ -212,7 +220,7 @@ 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)
         {
         /* 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;
 
             delete wxTheClipboard->m_data;
             wxTheClipboard->m_data = (wxDataObject*) NULL;


@@ -222,17 +230,19 @@ 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,
                    guint WXUNUSED(info),
                    guint WXUNUSED(time),
 static void
 selection_handler( GtkWidget *WXUNUSED(widget),
                    GtkSelectionData *selection_data,
                    guint WXUNUSED(info),
                    guint WXUNUSED(time),

-                   gpointer WXUNUSED(data) )
+                   gpointer signal_data )

 {
     if (!wxTheClipboard) return;
 
 {
     if (!wxTheClipboard) return;
 


@@ -240,47 +250,70 @@ selection_handler( GtkWidget *WXUNUSED(widget),
 
     wxDataObject *data = wxTheClipboard->m_data;
 
 
     wxDataObject *data = wxTheClipboard->m_data;
 

-    wxDataFormat format( selection_data->target );
+    // 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)
+    {
+        uint 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;
+    }

 
 

-    if (!data->IsSupportedFormat( format )) return;
+    wxDataFormat format( selection_data->target );

 
 

-    /* 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();
+#ifdef __WXDEBUG__
+    wxLogTrace(TRACE_CLIPBOARD,
+               _T("clipboard data in format %s, GtkSelectionData is target=%s type=%s selection=%s timestamp=%u"),
+               format.GetId().c_str(),
+               wxString::FromAscii(wxGtkString(gdk_atom_name(selection_data->target))).c_str(),
+               wxString::FromAscii(wxGtkString(gdk_atom_name(selection_data->type))).c_str(),
+               wxString::FromAscii(wxGtkString(gdk_atom_name(selection_data->selection))).c_str(),
+               GPOINTER_TO_UINT( signal_data )
+               );

 #endif
 #endif

-        gtk_selection_data_set(
-            selection_data,
-            GDK_SELECTION_TYPE_STRING,
-            8*sizeof(gchar),
-            (unsigned char*) (const char*) s,
-            len );

 
 

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

 
     int size = data->GetDataSize( format );
 
     if (size == 0) 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,
-        GDK_SELECTION_TYPE_STRING,
-        8*sizeof(gchar),
-        (unsigned char*) d,
-        size );
+    // 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
+    {
+        gtk_selection_data_set(
+            selection_data,
+            GDK_SELECTION_TYPE_STRING,
+            8*sizeof(gchar),
+            (unsigned char*) d,
+            size-1 );
+    }
+
+    free(d);
+}

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


@@ -292,6 +325,7 @@ 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;


@@ -304,28 +338,23 @@ wxClipboard::wxClipboard()
     m_targetsWidget = gtk_window_new( GTK_WINDOW_POPUP );
     gtk_widget_realize( m_targetsWidget );
 
     m_targetsWidget = gtk_window_new( GTK_WINDOW_POPUP );
     gtk_widget_realize( m_targetsWidget );
 

-    gtk_signal_connect( GTK_OBJECT(m_targetsWidget),
-                        "selection_received",
-                        GTK_SIGNAL_FUNC( targets_selection_received ),
-                        (gpointer) this );
+    g_signal_connect (m_targetsWidget, "selection_received",
+                      G_CALLBACK (targets_selection_received), this);

 
     /* we use m_clipboardWidget to get and to offer data */
 
     m_clipboardWidget = gtk_window_new( GTK_WINDOW_POPUP );
     gtk_widget_realize( m_clipboardWidget );
 
 
     /* we use m_clipboardWidget to get and to offer data */
 
     m_clipboardWidget = gtk_window_new( GTK_WINDOW_POPUP );
     gtk_widget_realize( m_clipboardWidget );
 

-    gtk_signal_connect( GTK_OBJECT(m_clipboardWidget),
-                        "selection_received",
-                        GTK_SIGNAL_FUNC( selection_received ),
-                        (gpointer) this );
+    g_signal_connect (m_clipboardWidget, "selection_received",
+                      G_CALLBACK (selection_received), this);

 
 

-    gtk_signal_connect( GTK_OBJECT(m_clipboardWidget),
-                        "selection_clear_event",
-                        GTK_SIGNAL_FUNC( selection_clear_clip ),
-                        (gpointer) NULL );
+    g_signal_connect (m_clipboardWidget, "selection_clear_event",
+                      G_CALLBACK (selection_clear_clip), NULL);

 
     if (!g_clipboardAtom) g_clipboardAtom = gdk_atom_intern( "CLIPBOARD", FALSE );
     if (!g_targetsAtom) g_targetsAtom = gdk_atom_intern ("TARGETS", FALSE);
 
     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;
 
     m_formatSupported = FALSE;
     m_targetRequested = 0;


@@ -347,11 +376,10 @@ 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 +408,6 @@ void wxClipboard::Clear()
 
 #if wxUSE_THREADS
         /* re-enable GUI threads */
 
 #if wxUSE_THREADS
         /* re-enable GUI threads */

-        wxapp_install_thread_wakeup();

 #endif
     }
 
 #endif
     }
 


@@ -414,19 +441,24 @@ 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;
 

+    // 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++)
     {
 
     for (size_t i = 0; i < m_data->GetFormatCount(); i++)
     {


@@ -434,6 +466,9 @@ 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],


@@ -442,14 +477,12 @@ bool wxClipboard::AddData( wxDataObject *data )
 
     delete[] array;
 
 
     delete[] array;
 

-    gtk_signal_connect( GTK_OBJECT(m_clipboardWidget),
-                        "selection_get",
-                        GTK_SIGNAL_FUNC(selection_handler),
-                        (gpointer) NULL );
+    g_signal_connect (m_clipboardWidget, "selection_get",
+                      G_CALLBACK (selection_handler),
+                      GUINT_TO_POINTER (gtk_get_current_event_time()) );

 
 #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 +497,6 @@ 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;


@@ -516,9 +548,16 @@ 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 )


@@ -588,7 +627,8 @@ bool wxClipboard::GetData( wxDataObject& data )
 
         m_waiting = TRUE;
 
 
         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
 
         gtk_selection_convert( m_clipboardWidget,
                                m_usePrimary ? (GdkAtom)GDK_SELECTION_PRIMARY


@@ -606,7 +646,8 @@ bool wxClipboard::GetData( wxDataObject& data )
         return TRUE;
     }
 
         return TRUE;
     }
 

-    wxLogDebug( wxT("wxClipboard::GetData: format not found") );
+    wxLogTrace( TRACE_CLIPBOARD,
+                wxT("wxClipboard::GetData: format not found") );

 
     /* return failure */
     delete[] array;
 
     /* return failure */
     delete[] array;


@@ -615,4 +656,3 @@ bool wxClipboard::GetData( wxDataObject& data )
 
 #endif
   // wxUSE_CLIPBOARD
 
 #endif
   // wxUSE_CLIPBOARD

-