implemented Freeze/Thaw in wxGTK

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@52305 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík
2008-03-04 10:03:01 +00:00
parent de2b67e699
commit 5f346ddc0a
3 changed files with 48 additions and 27 deletions

View File

@@ -326,6 +326,12 @@ protected:
virtual void DoCaptureMouse();
virtual void DoReleaseMouse();
virtual void DoFreeze();
virtual void DoThaw();
static void GTKFreezeWidget(GtkWidget *w);
static void GTKThawWidget(GtkWidget *w);
#if wxUSE_TOOLTIPS
virtual void DoSetToolTip( wxToolTip *tip );
#endif // wxUSE_TOOLTIPS

View File

@@ -557,21 +557,6 @@ gtk_paste_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
}
}
//-----------------------------------------------------------------------------
// "expose_event" from scrolled window and textview
//-----------------------------------------------------------------------------
extern "C" {
static gboolean
gtk_text_exposed_callback( GtkWidget * WXUNUSED(widget),
GdkEventExpose * WXUNUSED(event),
wxTextCtrl * WXUNUSED(win) )
{
return TRUE;
}
}
//-----------------------------------------------------------------------------
// wxTextCtrl
//-----------------------------------------------------------------------------
@@ -1722,14 +1707,13 @@ void wxTextCtrl::DoFreeze()
{
wxCHECK_RET(m_text != NULL, wxT("invalid text ctrl"));
wxWindow::DoFreeze();
if ( HasFlag(wxTE_MULTILINE) )
{
// freeze textview updates and remove buffer
g_signal_connect (m_text, "expose_event",
G_CALLBACK (gtk_text_exposed_callback), this);
g_signal_connect (m_widget, "expose_event",
G_CALLBACK (gtk_text_exposed_callback), this);
gtk_widget_set_sensitive(m_widget, false);
GTKFreezeWidget(m_text);
// removing buffer dramatically speeds up insertion:
g_object_ref(m_buffer);
GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL);
GtkTextMark* mark = GTK_TEXT_VIEW(m_text)->first_para_mark;
@@ -1749,21 +1733,22 @@ void wxTextCtrl::DoThaw()
{
if ( HasFlag(wxTE_MULTILINE) )
{
// Reattach buffer and thaw textview updates
// reattach buffer:
gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
g_object_unref(m_buffer);
gtk_widget_set_sensitive(m_widget, true);
g_signal_handlers_disconnect_by_func (m_widget,
(gpointer) gtk_text_exposed_callback, this);
g_signal_handlers_disconnect_by_func (m_text,
(gpointer) gtk_text_exposed_callback, this);
if (m_showPositionOnThaw != NULL)
{
gtk_text_view_scroll_mark_onscreen(
GTK_TEXT_VIEW(m_text), m_showPositionOnThaw);
m_showPositionOnThaw = NULL;
}
// and thaw the window
GTKThawWidget(m_text);
}
wxWindow::DoThaw();
}
// ----------------------------------------------------------------------------

View File

@@ -4205,3 +4205,33 @@ GdkWindow* wxWindowGTK::GTKGetDrawingWindow() const
window = m_wxwindow->window;
return window;
}
// ----------------------------------------------------------------------------
// freeze/thaw
// ----------------------------------------------------------------------------
void wxWindowGTK::GTKFreezeWidget(GtkWidget *w)
{
if ( w && !GTK_WIDGET_NO_WINDOW(w) )
gdk_window_freeze_updates(w->window);
}
void wxWindowGTK::GTKThawWidget(GtkWidget *w)
{
if ( w && !GTK_WIDGET_NO_WINDOW(w) )
gdk_window_thaw_updates(w->window);
}
void wxWindowGTK::DoFreeze()
{
GTKFreezeWidget(m_widget);
if ( m_wxwindow && m_widget != m_wxwindow )
GTKFreezeWidget(m_wxwindow);
}
void wxWindowGTK::DoThaw()
{
GTKThawWidget(m_widget);
if ( m_wxwindow && m_widget != m_wxwindow )
GTKThawWidget(m_wxwindow);
}