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allow specification (partially) of which corners of an ArdourButton are rounded

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git-svn-id: svn://localhost/ardour2/branches/3.0@11435 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2012-02-03 04:17:25 +00:00
parent 6db9cb8d75
commit bd3af3454b
2 changed files with 34 additions and 5 deletions
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37
gtk2_ardour/ardour_button.cc
View File

@ -57,6 +57,7 @@ ArdourButton::ArdourButton (Element e)
, _text_height (0)
, _diameter (11.0)
, _corner_radius (9.0)
, _corner_mask (0xf)
, edge_pattern (0)
, fill_pattern (0)
, led_inset_pattern (0)
@ -128,21 +129,40 @@ ArdourButton::set_markup (const std::string& str)
void
ArdourButton::render (cairo_t* cr)
{
void (*rounded_function)(cairo_t*, double, double, double, double, double);
switch (_corner_mask) {
case 0x1: /* upper left only */
rounded_function = Gtkmm2ext::rounded_top_left_rectangle;
break;
case 0x2: /* upper right only */
rounded_function = Gtkmm2ext::rounded_top_right_rectangle;
break;
case 0x3: /* upper only */
rounded_function = Gtkmm2ext::rounded_top_rectangle;
break;
/* should really have functions for lower right, lower left,
lower only, but for now, we don't
*/
default:
rounded_function = Gtkmm2ext::rounded_rectangle;
}
if (!_fixed_diameter) {
_diameter = std::min (get_width(), get_height());
}
if (_elements & Edge) {
Gtkmm2ext::rounded_rectangle (cr, 0, 0, get_width(), get_height(), _corner_radius);
rounded_function (cr, 0, 0, get_width(), get_height(), _corner_radius);
cairo_set_source (cr, edge_pattern);
cairo_fill (cr);
}
if (_elements & Body) {
if (_elements & Edge) {
Gtkmm2ext::rounded_rectangle (cr, 1, 1, get_width()-2, get_height()-2, _corner_radius - 1.0);
rounded_function (cr, 1, 1, get_width()-2, get_height()-2, _corner_radius - 1.0);
} else {
Gtkmm2ext::rounded_rectangle (cr, 0, 0, get_width(), get_height(), _corner_radius - 1.0);
rounded_function (cr, 0, 0, get_width(), get_height(), _corner_radius - 1.0);
}
cairo_set_source (cr, fill_pattern);
cairo_fill (cr);
@ -232,7 +252,7 @@ ArdourButton::render (cairo_t* cr)
/* a partially transparent gray layer to indicate insensitivity */
if ((visual_state() & Gtkmm2ext::Insensitive)) {
Gtkmm2ext::rounded_rectangle (cr, 0, 0, get_width(), get_height(), _corner_radius);
rounded_function (cr, 0, 0, get_width(), get_height(), _corner_radius);
cairo_set_source_rgba (cr, 0.905, 0.917, 0.925, 0.5);
cairo_fill (cr);
}
@ -241,7 +261,7 @@ ArdourButton::render (cairo_t* cr)
if (ARDOUR::Config->get_widget_prelight()) {
if (_hovering) {
Gtkmm2ext::rounded_rectangle (cr, 0, 0, get_width(), get_height(), _corner_radius);
rounded_function (cr, 0, 0, get_width(), get_height(), _corner_radius);
cairo_set_source_rgba (cr, 0.905, 0.917, 0.925, 0.2);
cairo_fill (cr);
}
@ -695,3 +715,10 @@ ArdourButton::action_tooltip_changed ()
string str = _action->property_tooltip().get_value();
ARDOUR_UI::instance()->set_tip (*this, str);
}
void
ArdourButton::set_rounded_corner_mask (int mask)
{
_corner_mask = mask;
queue_draw ();
}

2
gtk2_ardour/ardour_button.h
View File

@ -62,6 +62,7 @@ class ArdourButton : public CairoWidget , public Gtkmm2ext::Activatable
Element elements() const { return _elements; }
void set_corner_radius (float);
void set_rounded_corner_mask (int);
void set_diameter (float);
void set_text (const std::string&);
@ -109,6 +110,7 @@ class ArdourButton : public CairoWidget , public Gtkmm2ext::Activatable
int _text_height;
float _diameter;
float _corner_radius;
int _corner_mask;
cairo_pattern_t* edge_pattern;
cairo_pattern_t* fill_pattern;