midi note editing: adjust scroll modifiers and allow range expansion as well as scroll
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@ -681,18 +681,19 @@ MidiRegionView::scroll (GdkEventScroll* ev)
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}
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if (_selection.empty()) {
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int step = (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier) ? 1 : 12);
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const int step = Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier) ? 12 : 1;
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const bool just_one_edge = Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier);
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switch (ev->direction) {
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case GDK_SCROLL_UP:
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if (midi_stream_view()->highest_note() < 127 - step) {
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midi_stream_view()->apply_note_range (midi_stream_view()->lowest_note() + step, midi_stream_view()->highest_note() + step, true);
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midi_stream_view()->apply_note_range (midi_stream_view()->lowest_note() + (just_one_edge ? 0 : step), midi_stream_view()->highest_note() + step, true);
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}
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return true;
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case GDK_SCROLL_DOWN:
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if (midi_stream_view()->lowest_note() >= step) {
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midi_stream_view()->apply_note_range (midi_stream_view()->lowest_note() - step, midi_stream_view()->highest_note() - step, true);
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midi_stream_view()->apply_note_range (midi_stream_view()->lowest_note() - step, midi_stream_view()->highest_note() - (just_one_edge ? 0 : step), true);
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}
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return true;
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