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make BarController::CenterOut mostly sorta-kinda work

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git-svn-id: svn://localhost/ardour2/branches/3.0@8129 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2010-11-30 03:09:15 +00:00
parent ea8f9cb58e
commit 4f7a3d7732
1 changed files with 17 additions and 1 deletions
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18
libs/gtkmm2ext/barcontroller.cc
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@ -248,12 +248,12 @@ BarController::mouse_control (double x, GdkWindow* window, double scaling)
switch (_style) {
case Line:
case LeftToRight:
case CenterOut:
fract = scaling * (delta / (darea.get_width() - 2));
fract = min (1.0, fract);
fract = max (-1.0, fract);
adjustment.set_value (adjustment.get_value() + fract * (adjustment.get_upper() - adjustment.get_lower()));
break;
default:
fract = 0.0;
}
@ -303,6 +303,22 @@ BarController::expose (GdkEventExpose* /*event*/)
break;
case CenterOut:
w = darea.get_width();
h = darea.get_height()-2;
if (use_parent) {
parent = get_parent();
if (parent) {
win->draw_rectangle (parent->get_style()->get_fg_gc (parent->get_state()),
true,
0, 0, darea.get_width(), darea.get_height());
} else {
win->draw_rectangle (parent->get_style()->get_bg_gc (parent->get_state()),
true,
0, 0, darea.get_width(), darea.get_height());
}
}
x1 = (w/2) - ((w*fract)/2); // center, back up half the bar width
win->draw_rectangle (get_style()->get_fg_gc (get_state()), true, x1, 1, w*fract, h);
break;
case LeftToRight: