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Improve the drag icon for processor drags.

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git-svn-id: svn://localhost/ardour2/branches/3.0@8462 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Carl Hetherington 2011-01-06 03:39:41 +00:00
parent 1300247255
commit 9a400114bb
1 changed files with 13 additions and 23 deletions
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36
libs/gtkmm2ext/gtkmm2ext/dndvbox.h
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@ -277,35 +277,25 @@ private:
_drag_source = this;
}
/* Draw the drag icon; we go to these lengths so that we can have the icon
* transparent if the window system supports it.
*/
bool icon_expose (GdkEventExpose *)
/* Draw the drag icon */
bool icon_expose (GdkEventExpose* ev)
{
cairo_t* cr = gdk_cairo_create (_drag_icon->get_window()->gobj());
if (_have_alpha) {
cairo_set_source_rgba (cr, 0.2, 0.2, 0.2, 0.5);
} else {
cairo_set_source_rgba (cr, 0, 0, 0, 1);
}
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_paint (cr);
cairo_set_source_rgba (cr, 1, 1, 1, 0.8);
/* Just grab the child's widget and use that */
cairo_text_extents_t ext;
cairo_text_extents (cr, _drag_child->drag_text().c_str(), &ext);
cairo_move_to (cr, 0, ext.height);
cairo_show_text (cr, _drag_child->drag_text().c_str ());
cairo_restore (cr);
int w, h;
_drag_icon->get_size (w, h);
cairo_t* cr = gdk_cairo_create (_drag_icon->get_window()->gobj ());
Glib::RefPtr<Gdk::Pixmap> p = _drag_child->widget().get_snapshot();
gdk_cairo_set_source_pixmap (cr, p->gobj(), 0, 0);
cairo_rectangle (cr, 0, 0, w, h);
cairo_fill (cr);
cairo_destroy (cr);
return false;
}
void drag_data_get (Glib::RefPtr<Gdk::DragContext> const &, Gtk::SelectionData & selection_data, guint, guint, T* child)
{
selection_data.set (selection_data.get_target(), 8, (const guchar *) &child, sizeof (&child));