//... => /* ... */

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

diff --git a/src/gtk/clipbrd.cpp b/src/gtk/clipbrd.cpp
index 2d056fc1ed93b0e9f7d2430821aed54e631bfb89..d3cd53bc4e8530fea668afb86c9a885b87fa5d0b 100644 (file)
--- a/src/gtk/clipbrd.cpp
+++ b/src/gtk/clipbrd.cpp
@@ -21,6 +21,15 @@
 #include "gdk/gdk.h"
 #include "gtk/gtk.h"
 
+//-----------------------------------------------------------------------------
+// thread system
+//-----------------------------------------------------------------------------
+
+#if wxUSE_THREADS
+extern void wxapp_install_thread_wakeup();
+extern void wxapp_uninstall_thread_wakeup();
+#endif
+
 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------
@@ -91,7 +100,7 @@ targets_selection_received( GtkWidget *WXUNUSED(widget),
 
     for (unsigned int i=0; i<selection_data->length/sizeof(GdkAtom); i++)
     {
-/*      char *name = gdk_atom_name (atoms[i]);
+/*        char *name = gdk_atom_name (atoms[i]);
         if (name) printf( "Format available: %s.\n", name ); */
       
         if (atoms[i] == clipboard->m_targetRequested)
@@ -144,7 +153,7 @@ selection_received( GtkWidget *WXUNUSED(widget),
         clipboard->m_waiting = FALSE;
         return;
     }
-    
+
     /* make sure we got the data in the correct form (selection type).
        if so, copy data to target object */
     
@@ -169,12 +178,16 @@ selection_received( GtkWidget *WXUNUSED(widget),
        
        case wxDF_BITMAP:
        {
-            if (selection_data->type != GDK_SELECTION_TYPE_BITMAP)
+            if (selection_data->type != GDK_SELECTION_TYPE_STRING)
             {
                 clipboard->m_waiting = FALSE;
                 return;
             }
            
+           wxBitmapDataObject *bitmap_object = (wxBitmapDataObject *) data_object;
+           
+           bitmap_object->SetPngData( (const char*) selection_data->data, (size_t) selection_data->length );
+           
            break;
        }
        
@@ -224,14 +237,14 @@ selection_clear_clip( GtkWidget *WXUNUSED(widget), GdkEventSelection *event )
     }
     else
     {
+        wxTheClipboard->m_waiting = FALSE;
         return FALSE;
     }
     
     if ((!wxTheClipboard->m_ownsPrimarySelection) &&
         (!wxTheClipboard->m_ownsClipboard))
     {
-        /* the clipboard is no longer in our hands. we can the  clipboard data. */
-      
+        /* the clipboard is no longer in our hands. we can the delete clipboard data. */
         if (wxTheClipboard->m_dataBroker)
        {
            delete wxTheClipboard->m_dataBroker;
@@ -239,6 +252,7 @@ selection_clear_clip( GtkWidget *WXUNUSED(widget), GdkEventSelection *event )
        }
     }
   
+    wxTheClipboard->m_waiting = FALSE;
     return TRUE;
 }
 
@@ -258,11 +272,11 @@ selection_handler( GtkWidget *WXUNUSED(widget), GtkSelectionData *selection_data
     while (node)
     {
         wxDataObject *data_object = (wxDataObject *)node->Data();
-    
+       
        if (data_object->GetFormat().GetAtom() != selection_data->target)
        {
            node = node->Next();
-           break;
+           continue;
        }
        
        switch (data_object->GetFormat().GetType())
@@ -293,10 +307,17 @@ selection_handler( GtkWidget *WXUNUSED(widget), GtkSelectionData *selection_data
            
            case wxDF_BITMAP:
            {
-               // wxBitmapDataObject *private_object = (wxBitmapDataObject*) data_object;
+               wxBitmapDataObject *bitmap_object = (wxBitmapDataObject*) data_object;
            
-               // how do we do that ?
-               
+               if (bitmap_object->GetSize() == 0) return;
+           
+                gtk_selection_data_set( 
+                    selection_data, 
+                   GDK_SELECTION_TYPE_STRING, 
+                   8*sizeof(gchar), 
+                   (unsigned char*) bitmap_object->GetData(), 
+                   (int) bitmap_object->GetSize() );
+                   
                break;
            }
            
@@ -369,6 +390,8 @@ wxClipboard::wxClipboard()
   
     m_formatSupported = FALSE;
     m_targetRequested = 0;
+    
+    m_usePrimary = FALSE;
 }
 
 wxClipboard::~wxClipboard()
@@ -383,17 +406,29 @@ void wxClipboard::Clear()
 {
     if (m_dataBroker)
     { 
+#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 */
-     
         if (gdk_selection_owner_get( g_clipboardAtom ) == m_clipboardWidget->window)
         {
+            m_waiting = TRUE;
+           
             gtk_selection_owner_set( (GtkWidget*) NULL, g_clipboardAtom, GDK_CURRENT_TIME );
+           
+            while (m_waiting) gtk_main_iteration();
         }
     
         if (gdk_selection_owner_get( GDK_SELECTION_PRIMARY ) == m_clipboardWidget->window)
         {
+            m_waiting = TRUE;
+           
             gtk_selection_owner_set( (GtkWidget*) NULL, GDK_SELECTION_PRIMARY, GDK_CURRENT_TIME );
+           
+            while (m_waiting) gtk_main_iteration();
         }
     
         if (m_dataBroker)
@@ -401,6 +436,11 @@ void wxClipboard::Clear()
            delete m_dataBroker;
            m_dataBroker = (wxDataBroker*) NULL;
        }
+       
+#if wxUSE_THREADS
+        /* re-enable GUI threads */
+        wxapp_install_thread_wakeup();
+#endif
     }
   
     m_targetRequested = 0;
@@ -413,7 +453,7 @@ bool wxClipboard::Open()
     wxCHECK_MSG( !m_open, FALSE, _T("clipboard already open") );
   
     m_open = TRUE;
-  
+    
     return TRUE;
 }
 
@@ -435,26 +475,21 @@ bool wxClipboard::AddData( wxDataObject *data )
     wxCHECK_MSG( data, FALSE, _T("data is invalid") );
     
     /* if clipboard has been cleared before, create new data broker */
-  
     if (!m_dataBroker) m_dataBroker = new wxDataBroker();
   
     /* add new data to list of offered data objects */
-  
     m_dataBroker->Add( data );
     
     /* get native format id of new data object */
-    
     GdkAtom format = data->GetFormat().GetAtom();
        
     wxCHECK_MSG( format, FALSE, _T("data has invalid format") );
     
     /* This should happen automatically, but to be on the safe side */
-      
     m_ownsClipboard = FALSE;
     m_ownsPrimarySelection = FALSE;
     
     /* Add handlers if someone requests data */
-  
 
 #if (GTK_MINOR_VERSION > 0)
 
@@ -487,13 +522,21 @@ bool wxClipboard::AddData( wxDataObject *data )
                               selection_handler,
                               (gpointer) NULL );
 #endif
-                              
+
+#if wxUSE_THREADS
+        /* disable GUI threads */
+        wxapp_uninstall_thread_wakeup();
+#endif
+    
     /* Tell the world we offer clipboard data */
-  
     if (!gtk_selection_owner_set( m_clipboardWidget, 
                                   g_clipboardAtom,
                                  GDK_CURRENT_TIME ))
     {
+#if wxUSE_THREADS
+        /* re-enable GUI threads */
+        wxapp_install_thread_wakeup();
+#endif
         return FALSE;
     }
     m_ownsClipboard = TRUE;
@@ -502,9 +545,18 @@ bool wxClipboard::AddData( wxDataObject *data )
                                   GDK_SELECTION_PRIMARY,
                                  GDK_CURRENT_TIME ))
     {  
+#if wxUSE_THREADS
+        /* re-enable GUI threads */
+        wxapp_install_thread_wakeup();
+#endif
         return FALSE;
     }
     m_ownsPrimarySelection = TRUE;
+    
+#if wxUSE_THREADS
+    /* re-enable GUI threads */
+    wxapp_install_thread_wakeup();
+#endif
        
     return TRUE;
 }
@@ -539,7 +591,7 @@ bool wxClipboard::IsSupported( wxDataFormat format )
     m_waiting = TRUE;
 
     gtk_selection_convert( m_targetsWidget,
-                          g_clipboardAtom, 
+                          m_usePrimary?GDK_SELECTION_PRIMARY:g_clipboardAtom, 
                           g_targetsAtom,
                           GDK_CURRENT_TIME );
 
@@ -584,7 +636,7 @@ bool wxClipboard::GetData( wxDataObject *data )
     m_waiting = TRUE;
 
     gtk_selection_convert( m_clipboardWidget,
-                          g_clipboardAtom, 
+                          m_usePrimary?GDK_SELECTION_PRIMARY:g_clipboardAtom, 
                           m_targetRequested,
                           GDK_CURRENT_TIME );