Amebis/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

DnD updates

Browse Source 
Clipboard pasting (for wxDF_TEXT)
  print dialog looks better now
  font dialog ibid


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1125 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
1998-12-08 08:40:00 +00:00
parent ef44a62179
commit b527aac54a
10 changed files with 623 additions and 197 deletions
Download Patch File Download Diff File Expand all files Collapse all files

222
src/gtk/clipbrd.cpp
View File

@@ -21,30 +21,87 @@ wxClipboard *wxTheClipboard = (wxClipboard*) NULL;
GdkAtom g_textAtom = 0;
GdkAtom g_clipboardAtom = 0;
GdkAtom g_targetsAtom = 0;
//-----------------------------------------------------------------------------
// functions
// reminder
//-----------------------------------------------------------------------------
void wxInitClipboard()
{
if (wxTheClipboard) delete wxTheClipboard;
wxTheClipboard = new wxClipboard();
}
/* The contents of a selection are returned in a GtkSelectionData
structure. selection/target identify the request.
type specifies the type of the return; if length < 0, and
the data should be ignored. This structure has object semantics -
no fields should be modified directly, they should not be created
directly, and pointers to them should not be stored beyond the duration of
a callback. (If the last is changed, we'll need to add reference
counting)
void wxDoneClipboard()
struct _GtkSelectionData
{
if (wxTheClipboard) delete wxTheClipboard;
wxTheClipboard = (wxClipboard*) NULL;
GdkAtom selection;
GdkAtom target;
GdkAtom type;
gint format;
guchar *data;
gint length;
};
*/
//-----------------------------------------------------------------------------
// "selection_received" for targets
//-----------------------------------------------------------------------------
static void
targets_selection_received( GtkWidget *WXUNUSED(widget),
GtkSelectionData *selection_data,
wxClipboard *clipboard )
{
if (!wxTheClipboard) return;
if (selection_data->length <= 0) return;
// make sure we got the data in the correct form
if (selection_data->type != GDK_SELECTION_TYPE_ATOM) return;
// the atoms we received, holding a list of targets (= formats)
GdkAtom *atoms = (GdkAtom *)selection_data->data;
for (unsigned int i=0; i<selection_data->length/sizeof(GdkAtom); i++)
{
if (atoms[i] == clipboard->m_targetRequested)
{
clipboard->m_formatSupported = TRUE;
return;
}
}
return;
}
//-----------------------------------------------------------------------------
// "selection_received"
// "selection_received" for the actual data
//-----------------------------------------------------------------------------
static void
selection_received( GtkWidget *widget, GtkSelectionData *selection_data, gpointer data )
selection_received( GtkWidget *WXUNUSED(widget),
GtkSelectionData *selection_data,
wxClipboard *clipboard )
{
if (!wxTheClipboard) return;
if (selection_data->length <= 0) return;
size_t size = (size_t) selection_data->length;
// make sure we got the data in the correct form
if (selection_data->type != GDK_SELECTION_TYPE_STRING) return;
clipboard->m_receivedSize = size;
clipboard->m_receivedData = new char[size+1];
memcpy( clipboard->m_receivedData, selection_data->data, size);
}
//-----------------------------------------------------------------------------
@@ -52,13 +109,13 @@ selection_received( GtkWidget *widget, GtkSelectionData *selection_data, gpointe
//-----------------------------------------------------------------------------
static gint
selection_clear( GtkWidget *widget, GdkEventSelection *event )
selection_clear( GtkWidget *WXUNUSED(widget), GdkEventSelection *WXUNUSED(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;
/* the clipboard is no longer in our hands. we can delete the
* clipboard data. I hope I got that one right... */
wxTheClipboard->SetData( (wxDataObject*) NULL );
return TRUE;
@@ -115,9 +172,22 @@ wxClipboard::wxClipboard()
if (!g_clipboardAtom) g_clipboardAtom = gdk_atom_intern( "CLIPBOARD", FALSE );
if (!g_textAtom) g_textAtom = gdk_atom_intern( "TEXT", FALSE );
if (!g_targetsAtom) g_targetsAtom = gdk_atom_intern ("TARGETS", FALSE);
m_receivedData = (char*)NULL;
m_receivedSize = 0;
m_formatSupported = FALSE;
m_targetRequested = 0;
}
wxClipboard::~wxClipboard()
{
Clear();
if (m_clipboardWidget) gtk_widget_destroy( m_clipboardWidget );
}
void wxClipboard::Clear()
{
/* 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 */
@@ -127,7 +197,18 @@ wxClipboard::~wxClipboard()
delete m_data;
gtk_selection_owner_set( (GtkWidget*) NULL, GDK_SELECTION_PRIMARY, GDK_CURRENT_TIME );
}
if (m_clipboardWidget) gtk_widget_destroy( m_clipboardWidget );
m_receivedSize = 0;
if (m_receivedData)
{
delete[] m_receivedData;
m_receivedData = (char*) NULL;
}
m_targetRequested = 0;
m_formatSupported = FALSE;
}
void wxClipboard::SetData( wxDataObject *data )
@@ -147,14 +228,6 @@ void wxClipboard::SetData( wxDataObject *data )
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,
@@ -162,23 +235,108 @@ void wxClipboard::SetData( wxDataObject *data )
selection_handler,
NULL );
break;
*/
default:
break;
}
}
void *wxClipboard::GetData( wxDataFormat format, size_t *length )
bool wxClipboard::IsSupportedFormat( wxDataFormat format )
{
if (!IsAvailable(format))
m_targetRequested = 0;
if (format == wxDF_TEXT)
{
if (length) *length = 0;
return NULL;
// m_targetRequested = g_textAtom;
m_targetRequested = GDK_TARGET_STRING;
}
return NULL;
if (m_targetRequested == 0) return FALSE;
gtk_signal_connect( GTK_OBJECT(m_clipboardWidget),
"selection_received",
GTK_SIGNAL_FUNC( targets_selection_received ),
(gpointer) this );
m_formatSupported = FALSE;
gtk_selection_convert( m_clipboardWidget,
g_clipboardAtom,
g_targetsAtom,
GDK_CURRENT_TIME );
gtk_signal_disconnect_by_func( GTK_OBJECT(m_clipboardWidget),
GTK_SIGNAL_FUNC( targets_selection_received ),
(gpointer) this );
if (!m_formatSupported) return FALSE;
return TRUE;
}
bool wxClipboard::IsAvailable( wxDataFormat WXUNUSED(format) )
bool wxClipboard::ObtainData( wxDataFormat format )
{
return FALSE;
m_receivedSize = 0;
if (m_receivedData)
{
delete[] m_receivedData;
m_receivedData = (char*) NULL;
}
m_targetRequested = 0;
if (format == wxDF_TEXT)
{
// m_targetRequested = g_textAtom;
m_targetRequested = GDK_TARGET_STRING;
}
if (m_targetRequested == 0) return FALSE;
gtk_signal_connect( GTK_OBJECT(m_clipboardWidget),
"selection_received",
GTK_SIGNAL_FUNC( selection_received ),
(gpointer) this );
gtk_selection_convert( m_clipboardWidget,
g_clipboardAtom,
m_targetRequested,
GDK_CURRENT_TIME );
gtk_signal_disconnect_by_func( GTK_OBJECT(m_clipboardWidget),
GTK_SIGNAL_FUNC( selection_received ),
(gpointer) this );
if (m_receivedSize == 0) return FALSE;
return TRUE;
}
size_t wxClipboard::GetDataSize() const
{
return m_receivedSize;
}
void wxClipboard::GetDataHere( void *data ) const
{
memcpy(data, m_receivedData, m_receivedSize );
}
//-----------------------------------------------------------------------------
// wxClipboardModule
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxClipboardModule,wxModule)
bool wxClipboardModule::OnInit()
{
wxTheClipboard = new wxClipboard();
return TRUE;
}
void wxClipboardModule::OnExit()
{
if (wxTheClipboard) delete wxTheClipboard;
wxTheClipboard = (wxClipboard*) NULL;
}