bool
perfnames::on_scroll_event (GdkEventScroll * ev)
{
double val = m_vadjust.get_value();
if (CAST_EQUIVALENT(ev->direction, SEQ64_SCROLL_UP))
val -= m_vadjust.get_step_increment();
else if (CAST_EQUIVALENT(ev->direction, SEQ64_SCROLL_DOWN))
val += m_vadjust.get_step_increment();
m_vadjust.clamp_page(val, val + m_vadjust.get_page_size());
return true;
}
bool
seqdata::on_scroll_event (GdkEventScroll * ev)
{
if (! is_no_modifier(ev))
return false;
if (CAST_EQUIVALENT(ev->direction, SEQ64_SCROLL_UP))
m_seq.increment_selected(m_status, m_cc);
if (CAST_EQUIVALENT(ev->direction, SEQ64_SCROLL_DOWN))
m_seq.decrement_selected(m_status, m_cc);
update_pixmap();
queue_draw();
return true;
}
bool
perfedit::on_key_press_event (GdkEventKey * ev)
{
if (CAST_EQUIVALENT(ev->type, SEQ64_KEY_PRESS))
{
keystroke k(ev->keyval, SEQ64_KEYSTROKE_PRESS, ev->state);
bool startstop = perf().playback_key_event(k, true);
if (startstop)
{
return true; /* event handled */
}
else if (is_ctrl_key(ev))
{
if (OR_EQUIVALENT(ev->keyval, SEQ64_z, SEQ64_Z)) /* undo */
{
undo();
return true;
}
else if (OR_EQUIVALENT(ev->keyval, SEQ64_r, SEQ64_R)) /* redo */
{
redo();
return true;
}
}
}
(void) m_perftime->key_press_event(ev);
return Gtk::Window::on_key_press_event(ev);
}
bool
seqdata::on_button_press_event (GdkEventButton * ev)
{
if (CAST_EQUIVALENT(ev->type, SEQ64_BUTTON_PRESS))
{
m_drop_x = int(ev->x) + m_scroll_offset_x; /* set values for line */
m_drop_y = int(ev->y);
#ifdef USE_STAZED_SEQDATA_EXTENSIONS
/*
* If the user selects the "handle"...
*/
midipulse tick_s, tick_f;
convert_x(m_drop_x - 3, tick_s); /* side-effect */
convert_x(m_drop_x + 3, tick_f); /* side-effect */
m_drag_handle = m_seq.select_event_handle
(
tick_s, tick_f, m_status, m_cc, c_dataarea_y - m_drop_y + 3
);
if (m_drag_handle)
{
/* if they used line draw but did not leave... */
if (! m_seq.get_hold_undo())
m_seq.push_undo();
}
/* reset box that holds dirty redraw spot */
m_old.x = m_old.y = m_old.width = m_old.height = 0;
m_dragging = ! m_drag_handle;
#else
m_old.x = m_old.y = m_old.width = m_old.height = 0;
m_dragging = true; /* may be dragging now */
#endif
}
return true;
}
