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ArdourButton: if _act_on_release is true, only trigger actions/signal clicks on key release, and vice versa 

This should really be split in separate semantics for key and button events.

Fixes a subtle but nasty bug in the EngineDialog where the change of the default focus
widget from a Gtk::Button (acts on press) to an ArdourButton (acts on release) caused
events occuring after a dialog has grabbed focus to trigger button clicks
This commit is contained in:
Paul Davis 2017-03-01 22:29:54 +01:00
parent ac9bc19762
commit 05b0102668
3 changed files with 17 additions and 1 deletions
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16
gtk2_ardour/ardour_button.cc
View File

@ -1107,7 +1107,21 @@ ArdourButton::on_focus_out_event (GdkEventFocus* ev)
bool
ArdourButton::on_key_release_event (GdkEventKey *ev) {
if (_focused &&
if (_act_on_release && _focused &&
(ev->keyval == GDK_space || ev->keyval == GDK_Return))
{
signal_clicked();
if (_action) {
_action->activate ();
}
return true;
}
return CairoWidget::on_key_release_event (ev);
}
bool
ArdourButton::on_key_press_event (GdkEventKey *ev) {
if (!_act_on_release && _focused &&
(ev->keyval == GDK_space || ev->keyval == GDK_Return))
{
signal_clicked();

1
gtk2_ardour/ardour_button.h
View File

@ -139,6 +139,7 @@ class ArdourButton : public CairoWidget , public Gtkmm2ext::Activatable
bool on_focus_in_event (GdkEventFocus*);
bool on_focus_out_event (GdkEventFocus*);
bool on_key_release_event (GdkEventKey *);
bool on_key_press_event (GdkEventKey *);
void controllable_changed ();
PBD::ScopedConnection watch_connection;

1
gtk2_ardour/engine_dialog.cc
View File

@ -280,6 +280,7 @@ EngineControl::EngineControl ()
start_stop_button.set_name ("generic button");
start_stop_button.set_can_focus(true);
start_stop_button.set_can_default(true);
start_stop_button.set_act_on_release (false);
update_devices_button.signal_clicked.connect (mem_fun (*this, &EngineControl::update_devices_button_clicked));
update_devices_button.set_sensitive (false);