/////////////////////////////////////////////////////////////////////////////
-// Name: gtk/clipbrd.cpp
+// Name: src/gtk1/clipbrd.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
-#include "wx/clipbrd.h"
-
#if wxUSE_CLIPBOARD
-#include "wx/dataobj.h"
-#include "wx/utils.h"
-#include "wx/log.h"
+#include "wx/clipbrd.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/log.h"
+ #include "wx/utils.h"
+ #include "wx/dataobj.h"
+#endif
#include <glib.h>
#include <gdk/gdk.h>
#include <gtk/gtk.h>
-//-----------------------------------------------------------------------------
-// thread system
-//-----------------------------------------------------------------------------
-
-#if wxUSE_THREADS
-#endif
-
//-----------------------------------------------------------------------------
// data
//-----------------------------------------------------------------------------
// 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 wxChar *TRACE_CLIPBOARD = _T("clipboard");
+#define TRACE_CLIPBOARD "clipboard"
//-----------------------------------------------------------------------------
// reminder
wxLogTrace( TRACE_CLIPBOARD,
_T("got unsupported clipboard target") );
- clipboard->m_waiting = FALSE;
+ clipboard->m_waiting = false;
g_free(atom_name);
return;
}
g_free(atom_name);
}
-#ifdef __WXDEBUG__
wxDataFormat clip( selection_data->selection );
wxLogTrace( TRACE_CLIPBOARD,
wxT("selection received for targets, clipboard %s"),
clip.GetId().c_str() );
-#endif // __WXDEBUG__
// the atoms we received, holding a list of targets (= formats)
GdkAtom *atoms = (GdkAtom *)selection_data->data;
if (format == clipboard->m_targetRequested)
{
- clipboard->m_waiting = FALSE;
- clipboard->m_formatSupported = TRUE;
+ clipboard->m_waiting = false;
+ clipboard->m_formatSupported = true;
return;
}
}
}
- clipboard->m_waiting = FALSE;
+ clipboard->m_waiting = false;
}
}
{
if (!wxTheClipboard)
{
- clipboard->m_waiting = FALSE;
+ clipboard->m_waiting = false;
return;
}
if (!data_object)
{
- clipboard->m_waiting = FALSE;
+ clipboard->m_waiting = false;
return;
}
if (selection_data->length <= 0)
{
- clipboard->m_waiting = FALSE;
+ clipboard->m_waiting = false;
return;
}
// make sure we got the data in the correct format
if (!data_object->IsSupportedFormat( format ) )
{
- clipboard->m_waiting = FALSE;
+ clipboard->m_waiting = false;
return;
}
// if so, copy data to target object
if (selection_data->type != GDK_SELECTION_TYPE_STRING)
{
- clipboard->m_waiting = FALSE;
+ 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;
+ wxTheClipboard->m_formatSupported = true;
+ clipboard->m_waiting = false;
}
}
if (event->selection == GDK_SELECTION_PRIMARY)
{
- wxTheClipboard->m_ownsPrimarySelection = FALSE;
+ wxTheClipboard->m_ownsPrimarySelection = false;
}
else
if (event->selection == g_clipboardAtom)
{
- wxTheClipboard->m_ownsClipboard = FALSE;
+ wxTheClipboard->m_ownsClipboard = false;
}
else
{
- wxTheClipboard->m_waiting = FALSE;
+ wxTheClipboard->m_waiting = false;
return FALSE;
}
wxLogTrace(TRACE_CLIPBOARD, wxT("wxClipboard will get cleared" ));
delete wxTheClipboard->m_data;
- wxTheClipboard->m_data = (wxDataObject*) NULL;
+ wxTheClipboard->m_data = NULL;
}
}
- wxTheClipboard->m_waiting = FALSE;
+ wxTheClipboard->m_waiting = false;
return TRUE;
}
}
wxDataFormat format( selection_data->target );
-#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(gdk_atom_name(selection_data->selection)).c_str(),
GPOINTER_TO_UINT( signal_data )
);
-#endif
if (!data->IsSupportedFormat( format )) return;
wxClipboard::wxClipboard()
{
- m_open = FALSE;
- m_waiting = FALSE;
+ m_open = false;
+ m_waiting = false;
- m_ownsClipboard = FALSE;
- m_ownsPrimarySelection = FALSE;
+ m_ownsClipboard = false;
+ m_ownsPrimarySelection = false;
- m_data = (wxDataObject*) NULL;
- m_receivedData = (wxDataObject*) NULL;
+ m_data = NULL;
+ m_receivedData = NULL;
/* we use m_targetsWidget to query what formats are available */
if (!g_targetsAtom) g_targetsAtom = gdk_atom_intern ("TARGETS", FALSE);
if (!g_timestampAtom) g_timestampAtom = gdk_atom_intern ("TIMESTAMP", FALSE);
- m_formatSupported = FALSE;
+ m_formatSupported = false;
m_targetRequested = 0;
-
- m_usePrimary = FALSE;
}
wxClipboard::~wxClipboard()
// 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;
+ m_waiting = true;
- gtk_selection_owner_set( (GtkWidget*) NULL, g_clipboardAtom,
+ gtk_selection_owner_set( NULL, g_clipboardAtom,
(guint32) GDK_CURRENT_TIME );
while (m_waiting) gtk_main_iteration();
if (gdk_selection_owner_get( GDK_SELECTION_PRIMARY ) == m_clipboardWidget->window)
{
- m_waiting = TRUE;
+ m_waiting = true;
- gtk_selection_owner_set( (GtkWidget*) NULL, GDK_SELECTION_PRIMARY,
+ gtk_selection_owner_set( NULL, GDK_SELECTION_PRIMARY,
(guint32) GDK_CURRENT_TIME );
while (m_waiting) gtk_main_iteration();
if (m_data)
{
delete m_data;
- m_data = (wxDataObject*) NULL;
+ m_data = NULL;
}
#if wxUSE_THREADS
}
m_targetRequested = 0;
- m_formatSupported = FALSE;
+ m_formatSupported = false;
}
bool wxClipboard::Open()
{
- wxCHECK_MSG( !m_open, FALSE, wxT("clipboard already open") );
+ wxCHECK_MSG( !m_open, false, wxT("clipboard already open") );
- m_open = TRUE;
+ m_open = true;
- return TRUE;
+ return true;
}
bool wxClipboard::SetData( wxDataObject *data )
{
- wxCHECK_MSG( m_open, FALSE, wxT("clipboard not open") );
+ wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
- wxCHECK_MSG( data, FALSE, wxT("data is invalid") );
+ wxCHECK_MSG( data, false, wxT("data is invalid") );
Clear();
bool wxClipboard::AddData( wxDataObject *data )
{
- wxCHECK_MSG( m_open, FALSE, wxT("clipboard not open") );
+ wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
- wxCHECK_MSG( data, FALSE, wxT("data is invalid") );
+ wxCHECK_MSG( data, false, wxT("data is invalid") );
// we can only store one wxDataObject
Clear();
{
wxCHECK_RET( m_open, wxT("clipboard not open") );
- m_open = FALSE;
+ m_open = false;
}
bool wxClipboard::IsOpened() const
bool wxClipboard::IsSupported( const wxDataFormat& format )
{
/* reentrance problems */
- if (m_waiting) return FALSE;
+ if (m_waiting) return false;
/* store requested format to be asked for by callbacks */
m_targetRequested = format;
wxT("wxClipboard:IsSupported: requested format: %s"),
format.GetId().c_str() );
- wxCHECK_MSG( m_targetRequested, FALSE, wxT("invalid clipboard format") );
+ wxCHECK_MSG( m_targetRequested, false, wxT("invalid clipboard format") );
- m_formatSupported = FALSE;
+ m_formatSupported = false;
/* perform query. this will set m_formatSupported to
- TRUE if m_targetRequested is supported.
+ true if m_targetRequested is supported.
also, we have to wait for the "answer" from the
clipboard owner which is an asynchronous process.
- therefore we set m_waiting = TRUE here and wait
+ therefore we set m_waiting = true here and wait
until the callback "targets_selection_received"
- sets it to FALSE */
+ sets it to false */
- m_waiting = TRUE;
+ m_waiting = true;
gtk_selection_convert( m_targetsWidget,
m_usePrimary ? (GdkAtom)GDK_SELECTION_PRIMARY
bool wxClipboard::GetData( wxDataObject& data )
{
- wxCHECK_MSG( m_open, FALSE, wxT("clipboard not open") );
+ wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
/* get formats from wxDataObjects */
wxDataFormat *array = new wxDataFormat[ data.GetFormatCount() ];
/* store requested format to be asked for by callbacks */
m_targetRequested = format;
- wxCHECK_MSG( m_targetRequested, FALSE, wxT("invalid clipboard format") );
+ wxCHECK_MSG( m_targetRequested, false, wxT("invalid clipboard format") );
- m_formatSupported = FALSE;
+ m_formatSupported = false;
/* perform query. this will set m_formatSupported to
- TRUE if m_targetRequested is supported.
+ true if m_targetRequested is supported.
also, we have to wait for the "answer" from the
clipboard owner which is an asynchronous process.
- therefore we set m_waiting = TRUE here and wait
+ therefore we set m_waiting = true here and wait
until the callback "targets_selection_received"
- sets it to FALSE */
+ sets it to false */
- m_waiting = TRUE;
+ m_waiting = true;
gtk_selection_convert( m_targetsWidget,
m_usePrimary ? (GdkAtom)GDK_SELECTION_PRIMARY
/* store requested format to be asked for by callbacks */
m_targetRequested = format;
- wxCHECK_MSG( m_targetRequested, FALSE, wxT("invalid clipboard format") );
+ wxCHECK_MSG( m_targetRequested, false, wxT("invalid clipboard format") );
/* start query */
- m_formatSupported = FALSE;
+ m_formatSupported = false;
/* ask for clipboard contents. this will set
- m_formatSupported to TRUE if m_targetRequested
+ m_formatSupported to true if m_targetRequested
is supported.
also, we have to wait for the "answer" from the
clipboard owner which is an asynchronous process.
- therefore we set m_waiting = TRUE here and wait
+ therefore we set m_waiting = true here and wait
until the callback "targets_selection_received"
- sets it to FALSE */
+ sets it to false */
- m_waiting = TRUE;
+ m_waiting = true;
wxLogTrace( TRACE_CLIPBOARD,
wxT("wxClipboard::GetData: format found, start convert") );
while (m_waiting) gtk_main_iteration();
- /* this is a true error as we checked for the presence of such data before */
- wxCHECK_MSG( m_formatSupported, FALSE, wxT("error retrieving data from clipboard") );
+ /*
+ Normally this is a true error as we checked for the presence of such
+ data before, but there are applications that may return an empty
+ string (e.g. Gnumeric-1.6.1 on Linux if an empty cell is copied)
+ which would produce a false error message here, so we check for the
+ size of the string first. In ansi, GetDataSize returns an extra
+ value (for the closing null?), with unicode, the exact number of
+ tokens is given (that is more than 1 for special characters)
+ (tested with Gnumeric-1.6.1 and OpenOffice.org-2.0.2)
+ */
+#if wxUSE_UNICODE
+ if ( format != wxDF_UNICODETEXT || data.GetDataSize(format) > 0 )
+#else // !UNICODE
+ if ( format != wxDF_TEXT || data.GetDataSize(format) > 1 )
+#endif // UNICODE / !UNICODE
+ {
+ wxCHECK_MSG( m_formatSupported, false,
+ wxT("error retrieving data from clipboard") );
+ }
/* return success */
delete[] array;
- return TRUE;
+ return true;
}
wxLogTrace( TRACE_CLIPBOARD,
/* return failure */
delete[] array;
- return FALSE;
+ return false;
}
#endif
// wxUSE_CLIPBOARD
-
projects / wxWidgets.git / blobdiff