ardour/ardour
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change metric-scale on the sides of meterbridge when scrolling

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This commit is contained in:
Robin Gareus 2013-07-29 15:26:36 +02:00
parent 2faaf71573
commit 3ab25dc6f3
4 changed files with 59 additions and 0 deletions
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5
gtk2_ardour/meter_strip.cc
View File

@ -474,7 +474,12 @@ MeterStrip::meter_metrics_expose (GdkEventExpose *ev)
void
MeterStrip::set_metric_mode (int metricmode, ARDOUR::MeterType mt)
{
if (metric_type == mt && _metricmode == metricmode) {
return;
}
metric_type = mt;
_metricmode = metricmode;
_types.clear ();
switch(metricmode) {
case 0:

2
gtk2_ardour/meter_strip.h
View File

@ -65,6 +65,7 @@ class MeterStrip : public Gtk::VBox, public RouteUI
void set_meter_type_multi (int, ARDOUR::RouteGroup*, ARDOUR::MeterType);
void set_metric_mode (int, ARDOUR::MeterType);
int get_metric_mode() { return _metricmode; }
void set_tick_bar (int);
int get_tick_bar() { return _tick_bar; }
bool has_midi() { return _has_midi; }
@ -121,6 +122,7 @@ class MeterStrip : public Gtk::VBox, public RouteUI
bool _has_midi;
int _tick_bar;
int _strip_type;
int _metricmode;
LevelMeterHBox *level_meter;

46
gtk2_ardour/meterbridge.cc
View File

@ -376,6 +376,10 @@ Meterbridge::on_size_allocate (Gtk::Allocation& a)
const Gtk::Scrollbar * hsc = scroller.get_hscrollbar();
if (scroller.get_hscrollbar_visible() && hsc) {
if (!scroll_connection.connected()) {
scroll_connection = scroller.get_hscrollbar()->get_adjustment()->signal_value_changed().connect(sigc::mem_fun (*this, &Meterbridge::on_scroll));
scroller.get_hscrollbar()->get_adjustment()->signal_changed().connect(sigc::mem_fun (*this, &Meterbridge::on_scroll));
}
gint scrollbar_spacing;
gtk_widget_style_get (GTK_WIDGET (scroller.gobj()),
"scrollbar-spacing", &scrollbar_spacing, NULL);
@ -389,6 +393,41 @@ Meterbridge::on_size_allocate (Gtk::Allocation& a)
Gtk::Window::on_size_allocate(a);
}
void
Meterbridge::on_scroll()
{
if (!scroller.get_hscrollbar()) return;
Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
int leftend = adj->get_value();
int rightend = scroller.get_width() + leftend;
int mm_left = _mm_left;
int mm_right = _mm_right;
ARDOUR::MeterType mt_left = _mt_left;
ARDOUR::MeterType mt_right = _mt_right;
for (unsigned int i = 0; i < _metrics.size(); ++i) {
int sx, dx, dy;
int mm = _metrics[i]->get_metric_mode();
sx = (mm & 2) ? _metrics[i]->get_width() : 0;
_metrics[i]->translate_coordinates(meterarea, sx, 0, dx, dy);
if (dx < leftend && !(mm&2)) {
mm_left = mm;
mt_left = _metrics[i]->meter_type();
}
if (dx > rightend && (mm&2)) {
mm_right = mm;
mt_right = _metrics[i]->meter_type();
break;
}
}
metrics_left.set_metric_mode(mm_left, mt_left);
metrics_right.set_metric_mode(mm_right, mt_right);
}
void
Meterbridge::set_session (Session* s)
{
@ -722,6 +761,13 @@ Meterbridge::sync_order_keys (RouteSortOrderKey)
delete (_metrics.back());
_metrics.pop_back();
}
_mm_left = metrics_left.get_metric_mode();
_mt_left = metrics_left.meter_type();
_mm_right = metrics_right.get_metric_mode();
_mt_right = metrics_right.meter_type();
on_scroll();
queue_resize();
}

6
gtk2_ardour/meterbridge.h
View File

@ -147,6 +147,12 @@ class Meterbridge :
void parameter_changed (std::string const & p);
void on_theme_changed ();
void on_scroll ();
sigc::connection scroll_connection;
int _mm_left, _mm_right;
ARDOUR::MeterType _mt_left, _mt_right;
};
#endif