cleanup - reformatting; simplified OnPaint

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

diff --git a/src/gtk/clipbrd.cpp b/src/gtk/clipbrd.cpp
index 4a918060df3a379dfe682b9ce44c8bbcff9f008f..496f09c3eef3a47f2349fb04e1a24dfcee5ea2ab 100644 (file)
--- a/src/gtk/clipbrd.cpp
+++ b/src/gtk/clipbrd.cpp
@@ -4,13 +4,9 @@
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
-// Licence:     wxWidgets licence
+// 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"
 
@@ -78,6 +74,7 @@ struct _GtkSelectionData
 // "selection_received" for targets
 //-----------------------------------------------------------------------------
 
+extern "C" {
 static void
 targets_selection_received( GtkWidget *WXUNUSED(widget),
                             GtkSelectionData *selection_data,
@@ -118,7 +115,7 @@ 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 ) );
 
@@ -133,11 +130,13 @@ targets_selection_received( GtkWidget *WXUNUSED(widget),
 
     clipboard->m_waiting = FALSE;
 }
+}
 
 //-----------------------------------------------------------------------------
 // "selection_received" for the actual data
 //-----------------------------------------------------------------------------
 
+extern "C" {
 static void
 selection_received( GtkWidget *WXUNUSED(widget),
                     GtkSelectionData *selection_data,
@@ -189,11 +188,13 @@ selection_received( GtkWidget *WXUNUSED(widget),
     wxTheClipboard->m_formatSupported = TRUE;
     clipboard->m_waiting = FALSE;
 }
+}
 
 //-----------------------------------------------------------------------------
 // "selection_clear"
 //-----------------------------------------------------------------------------
 
+extern "C" {
 static gint
 selection_clear_clip( GtkWidget *WXUNUSED(widget), GdkEventSelection *event )
 {
@@ -230,11 +231,13 @@ selection_clear_clip( GtkWidget *WXUNUSED(widget), GdkEventSelection *event )
     wxTheClipboard->m_waiting = FALSE;
     return TRUE;
 }
+}
 
 //-----------------------------------------------------------------------------
 // selection handler for supplying data
 //-----------------------------------------------------------------------------
 
+extern "C" {
 static void
 selection_handler( GtkWidget *WXUNUSED(widget),
                    GtkSelectionData *selection_data,
@@ -250,6 +253,16 @@ selection_handler( GtkWidget *WXUNUSED(widget),
 
     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;
 
     int size = data->GetDataSize( format );
@@ -261,15 +274,29 @@ selection_handler( GtkWidget *WXUNUSED(widget),
     // 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);
 }
+}
 
 //-----------------------------------------------------------------------------
 // wxClipboard
@@ -293,25 +320,19 @@ wxClipboard::wxClipboard()
     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 );
 
-    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);
@@ -421,9 +442,9 @@ 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],
@@ -432,10 +453,8 @@ bool wxClipboard::AddData( wxDataObject *data )
 
     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), NULL);
 
 #if wxUSE_THREADS
     /* disable GUI threads */
@@ -478,11 +497,9 @@ bool wxClipboard::IsSupported( const wxDataFormat& 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() );
-#endif
 
     wxCHECK_MSG( m_targetRequested, FALSE, wxT("invalid clipboard format") );
 
@@ -515,9 +532,7 @@ bool wxClipboard::IsSupported( const wxDataFormat& format )
     }
 #endif
 
-    if (!m_formatSupported) return FALSE;
-
-    return TRUE;
+    return m_formatSupported;
 }
 
 bool wxClipboard::GetData( wxDataObject& data )