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debugging various canvas event issues

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This commit is contained in:
Paul Davis
2013-08-08 14:04:29 -04:00
parent 5fcae2113f
commit 741154e691
2 changed files with 19 additions and 4 deletions
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2
gtk2_ardour/gain_meter.cc
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@@ -864,7 +864,7 @@ GainMeterBase::update_meters()
}
}
void GainMeterBase::color_handler(bool dpi)
void GainMeterBase::color_handler(bool /*dpi*/)
{
setup_meters();
}

21
libs/canvas/canvas.cc
View File

@@ -259,6 +259,8 @@ GtkCanvas::button_handler (GdkEventButton* ev)
bool
GtkCanvas::motion_notify_handler (GdkEventMotion* ev)
{
DEBUG_TRACE (PBD::DEBUG::CanvasEvents, string_compose ("canvas motion @ %1, %2\n", ev->x, ev->y));
if (_grabbed_item) {
/* if we have a grabbed item, it gets just the motion event,
since no enter/leave events can have happened.
@@ -338,31 +340,44 @@ GtkCanvas::enter_leave_items (Duple const & point, int state)
* to top to find the lowest, first event-sensitive item and notify that
* we have entered it
*/
cerr << "E/L: " << items.size() << " to check at " << point << endl;
for (vector<Item const*>::const_reverse_iterator i = items.rbegin(); i != items.rend(); ++i) {
cerr << '\t' << (*i)->whatami() << ' ' << (*i)->name << " ignore ? " << (*i)->ignore_events() << " current ? " << (_current_item == (*i)) << endl;
}
cerr << "------------\n";
for (vector<Item const*>::const_reverse_iterator i = items.rbegin(); i != items.rend(); ++i) {
Item const * new_item = *i;
cerr << "\tE/L check out " << new_item->whatami() << ' ' << new_item->name << " ignore ? " << new_item->ignore_events() << " current ? " << (_current_item == new_item) << endl;
if (new_item->ignore_events()) {
cerr << "continue1\n";
continue;
}
if (_current_item == new_item) {
break;
cerr << "continue2\n";
continue;
}
if (_current_item) {
/* leave event */
DEBUG_TRACE (PBD::DEBUG::CanvasEvents, string_compose ("Leave %1 %2\n", _current_item->whatami(), _current_item->name));
_current_item->Event (reinterpret_cast<GdkEvent*> (&leave_event));
}
if (new_item && _current_item != new_item) {
/* enter event */
_current_item = new_item;
DEBUG_TRACE (PBD::DEBUG::CanvasEvents, string_compose ("Enter %1 %2\n", _current_item->whatami(), _current_item->name));
_current_item->Event (reinterpret_cast<GdkEvent*> (&enter_event));
break;
}
cerr << "Loop around again\n";
}
}