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SetEventData for a few widgets

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Re-installed wxBitmaps::LoafFile


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@964 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
1998-11-06 08:50:52 +00:00
parent 3572173c01
commit fd0eed647d
32 changed files with 3663 additions and 2706 deletions
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108
src/gtk/clipbrd.cpp
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@@ -19,6 +19,9 @@
wxClipboard *wxTheClipboard = (wxClipboard*) NULL;
GdkAtom g_textAtom = 0;
GdkAtom g_clipboardAtom = 0;
//-----------------------------------------------------------------------------
// functions
//-----------------------------------------------------------------------------
@@ -39,11 +42,59 @@ void wxDoneClipboard()
// "selection_received"
//-----------------------------------------------------------------------------
/*
static void selection_received( GtkWidget *widget, GtkSelectionData *selection_data, gpointer data )
static void
selection_received( GtkWidget *widget, GtkSelectionData *selection_data, gpointer data )
{
}
*/
//-----------------------------------------------------------------------------
// "selection_clear"
//-----------------------------------------------------------------------------
static gint
selection_clear( GtkWidget *widget, GdkEventSelection *event )
{
/* The clipboard is no longer in our hands. We can delete the
* clipboard data. I hope I got that one right... */
if (!wxTheClipboard) return TRUE;
wxTheClipboard->SetData( (wxDataObject*) NULL );
return TRUE;
}
//-----------------------------------------------------------------------------
// selection handler for supplying data
//-----------------------------------------------------------------------------
static void
selection_handler( GtkWidget *WXUNUSED(widget), GtkSelectionData *selection_data, gpointer WXUNUSED(data) )
{
if (!wxTheClipboard) return;
wxDataObject *data_object = wxTheClipboard->m_data;
if (!data_object) return;
if (data_object->GetDataSize() == 0) return;
gint len = data_object->GetDataSize();
guchar *bin_data = (guchar*) malloc( len );
data_object->GetDataHere( (void*)bin_data );
if (selection_data->target == GDK_SELECTION_TYPE_STRING)
{
gtk_selection_data_set(
selection_data, GDK_SELECTION_TYPE_STRING, 8*sizeof(gchar), bin_data, len );
}
else if (selection_data->target == g_textAtom)
{
gtk_selection_data_set(
selection_data, g_textAtom, 8*sizeof(gchar), bin_data, len );
}
free( bin_data );
}
//-----------------------------------------------------------------------------
// wxClipboard
@@ -53,14 +104,29 @@ IMPLEMENT_DYNAMIC_CLASS(wxClipboard,wxObject)
wxClipboard::wxClipboard()
{
m_data = (wxDataObject*)NULL;
m_data = (wxDataObject*) NULL;
m_clipboardWidget = gtk_window_new( GTK_WINDOW_POPUP );
gtk_widget_realize( m_clipboardWidget );
gtk_signal_connect( GTK_OBJECT(m_clipboardWidget),
"selection_clear_event",
GTK_SIGNAL_FUNC( selection_clear ),
(gpointer) NULL );
if (!g_clipboardAtom) g_clipboardAtom = gdk_atom_intern( "CLIPBOARD", FALSE );
if (!g_textAtom) g_textAtom = gdk_atom_intern( "TEXT", FALSE );
}
wxClipboard::~wxClipboard()
{
if (m_data) delete m_data;
/* 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 (m_data)
{
delete m_data;
gtk_selection_owner_set( (GtkWidget*) NULL, GDK_SELECTION_PRIMARY, GDK_CURRENT_TIME );
}
if (m_clipboardWidget) gtk_widget_destroy( m_clipboardWidget );
}
@@ -68,6 +134,38 @@ void wxClipboard::SetData( wxDataObject *data )
{
if (m_data) delete m_data;
m_data = data;
if (!m_data) return;
if (!gtk_selection_owner_set( m_clipboardWidget,
g_clipboardAtom,
GDK_CURRENT_TIME))
{
delete m_data;
m_data = (wxDataObject*) NULL;
return;
}
switch (m_data->GetPreferredFormat())
{
/*
case wxDF_STRING:
gtk_selection_add_handler( m_clipboardWidget,
g_clipboardAtom,
GDK_TARGET_STRING,
selection_handler,
NULL );
break;
*/
case wxDF_TEXT:
gtk_selection_add_handler( m_clipboardWidget,
g_clipboardAtom,
g_textAtom,
selection_handler,
NULL );
break;
default:
break;
}
}
void *wxClipboard::GetData( wxDataFormat format, size_t *length )