ardour/ardour
ardour/ardour
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some changes to ArdourButton to allow custom colors to be set (e.g. based on track colors), via Valeriy

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This commit is contained in:
Paul Davis 2014-02-14 15:32:30 -05:00
parent 8b9c0e5308
commit 29b1e706dd
2 changed files with 104 additions and 28 deletions
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117
gtk2_ardour/ardour_button.cc
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@ -66,7 +66,14 @@ ArdourButton::ArdourButton (Element e)
, _yalign(.5)
, border_color (0)
, fill_color_active (0)
, fill_color_inactive (0)
, fill_color_active_start(0)
, fill_color_active_end(0)
, fill_color_inactive_start(0)
, fill_color_inactive_end(0)
, text_color_inactive(0)
, text_color_active(0)
, led_color_inactive(0)
, led_color_active(0)
, fill_pattern (0)
, fill_pattern_active (0)
, shine_pattern (0)
@ -95,7 +102,14 @@ ArdourButton::ArdourButton (const std::string& str, Element e)
, _yalign(.5)
, border_color (0)
, fill_color_active (0)
, fill_color_inactive (0)
, fill_color_active_start(0)
, fill_color_active_end(0)
, fill_color_inactive_start(0)
, fill_color_inactive_end(0)
, text_color_inactive(0)
, text_color_active(0)
, led_color_inactive(0)
, led_color_active(0)
, fill_pattern (0)
, fill_pattern_active (0)
, shine_pattern (0)
@ -271,7 +285,7 @@ ArdourButton::render (cairo_t* cr)
} else {
UINT_TO_RGBA (fill_color_inactive, &r, &g, &b, &a);
UINT_TO_RGBA (fill_color_inactive_end, &r, &g, &b, &a);
cairo_set_line_width (cr, 2.0);
rounded_function (cr, 2, 2, get_width()-4, get_height()-4, _corner_radius - 2.0);
cairo_set_source_rgba (cr, r/255.0, g/255.0, b/255.0, a/255.0);
@ -480,6 +494,57 @@ ArdourButton::on_size_request (Gtk::Requisition* req)
void
ArdourButton::set_colors ()
{
Glib::ustring button_name = get_name();
if (button_name == "") {
return;
}
border_color = ARDOUR_UI::config()->color_by_name ("button border");
fill_color_active_start = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill start active", button_name));
fill_color_active_end = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill end active", button_name));
fill_color_inactive_start = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill start", button_name));
fill_color_inactive_end = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill end", button_name));
text_color_active = ARDOUR_UI::config()->color_by_name (string_compose ("%1: text active", button_name));
text_color_inactive = ARDOUR_UI::config()->color_by_name (string_compose ("%1: text", button_name));
led_color_active = ARDOUR_UI::config()->color_by_name (string_compose ("%1: led active", button_name));
led_color_inactive = ARDOUR_UI::config()->color_by_name (string_compose ("%1: led", button_name));
}
void ArdourButton::set_bg_colors (const uint32_t color_active, const uint32_t color_inactive)
{
set_colors ();
set_name ("");
fill_color_active_start = fill_color_active_end = color_active;
unsigned char r, g, b, a;
UINT_TO_RGBA(color_active, &r, &g, &b, &a);
double white_contrast = (max (double(r), 255.) - min (double(r), 255.)) +
(max (double(g), 255.) - min (double(g), 255.)) +
(max (double(b), 255.) - min (double(b), 255.));
double black_contrast = (max (double(r), 0.) - min (double(r), 0.)) +
(max (double(g), 0.) - min (double(g), 0.)) +
(max (double(b), 0.) - min (double(b), 0.));
text_color_active =
text_color_inactive = (white_contrast > black_contrast) ?
RGBA_TO_UINT(255, 255, 255, 255) : /* use white */
RGBA_TO_UINT( 0, 0, 0, 255); /* use black */
fill_color_inactive_start = fill_color_inactive_end = color_inactive;
build_patterns ();
}
void
ArdourButton::build_patterns()
{
uint32_t start_color;
uint32_t end_color;
@ -488,12 +553,10 @@ ArdourButton::set_colors ()
uint32_t led_color;
if (active_state() == Gtkmm2ext::ImplicitActive && (_tweaks & ImplicitUsesSolidColor)) {
fill_color_active = ARDOUR_UI::config()->color_by_name (string_compose ("%1: led active", get_name()));
fill_color_active = led_color_active;
} else {
fill_color_active = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill end active", get_name()));
fill_color_active = fill_color_active_end;
}
fill_color_inactive = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill end", get_name()));
border_color = ARDOUR_UI::config()->color_by_name ( "button border" );
if (shine_pattern) {
cairo_pattern_destroy (shine_pattern);
@ -513,6 +576,7 @@ ArdourButton::set_colors ()
if (_elements & Body) {
start_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill start active", get_name()));
start_color = fill_color_active_start;
if (_flat_buttons) {
end_color = start_color;
@ -534,10 +598,10 @@ ArdourButton::set_colors ()
fill_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, get_height()-3);
if (_flat_buttons) {
end_color = start_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill end", get_name()));
end_color = start_color = fill_color_inactive_end;
} else {
start_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill start", get_name()));
end_color = fill_color_inactive;
start_color = fill_color_inactive_start;
end_color = fill_color_inactive_end;
}
UINT_TO_RGBA (start_color, &r, &g, &b, &a);
cairo_pattern_add_color_stop_rgba (fill_pattern, 0, r/255.0,g/255.0,b/255.0, a/255.0);
@ -547,17 +611,17 @@ ArdourButton::set_colors ()
fill_pattern_active = cairo_pattern_create_linear (0.0, 0.0, 0.0, get_height()-3);
if (_flat_buttons) {
if (active_state() == Gtkmm2ext::ImplicitActive && (_tweaks & ImplicitUsesSolidColor)) {
end_color = start_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: led active", get_name()));
end_color = start_color = led_color_active;
} else {
end_color = start_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill end active", get_name()));
end_color = start_color = fill_color_active_end;
}
} else {
if (active_state() == Gtkmm2ext::ImplicitActive && (_tweaks & ImplicitUsesSolidColor)) {
start_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: led", get_name()));
end_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: led active", get_name()));
start_color = led_color_inactive;
end_color = led_color_active;
} else {
start_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill start active", get_name()));
end_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill end active", get_name()));
start_color = fill_color_active_start;
end_color = fill_color_active_end;
}
}
UINT_TO_RGBA (start_color, &r, &g, &b, &a);
@ -587,11 +651,11 @@ ArdourButton::set_colors ()
/* text and LED colors */
if (active_state() == Gtkmm2ext::ExplicitActive || ((_tweaks & ImplicitUsesSolidColor) && active_state() == Gtkmm2ext::ImplicitActive)) {
text_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: text active", get_name()));
led_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: led active", get_name()));
text_color = text_color_active;
led_color = led_color_active;
} else {
text_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: text", get_name()));
led_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: led", get_name()));
text_color = text_color_inactive;
led_color = led_color_inactive;
}
UINT_TO_RGBA (text_color, &r, &g, &b, &a);
@ -681,6 +745,7 @@ void
ArdourButton::color_handler ()
{
set_colors ();
build_patterns ();
set_dirty ();
}
@ -689,7 +754,7 @@ ArdourButton::on_size_allocate (Allocation& alloc)
{
CairoWidget::on_size_allocate (alloc);
setup_led_rect ();
set_colors ();
build_patterns ();
}
void
@ -763,6 +828,7 @@ void
ArdourButton::on_style_changed (const RefPtr<Gtk::Style>&)
{
set_colors ();
build_patterns ();
}
void
@ -813,7 +879,7 @@ ArdourButton::set_active_state (Gtkmm2ext::ActiveState s)
bool changed = (_active_state != s);
CairoWidget::set_active_state (s);
if (changed) {
set_colors ();
build_patterns ();
}
}
@ -823,7 +889,7 @@ ArdourButton::set_visual_state (Gtkmm2ext::VisualState s)
bool changed = (_visual_state != s);
CairoWidget::set_visual_state (s);
if (changed) {
set_colors ();
build_patterns ();
}
}
@ -871,7 +937,6 @@ ArdourButton::action_sensitivity_changed ()
}
void
ArdourButton::action_visibility_changed ()
{
@ -900,14 +965,14 @@ void
ArdourButton::set_elements (Element e)
{
_elements = e;
set_colors ();
build_patterns ();
}
void
ArdourButton::add_elements (Element e)
{
_elements = (ArdourButton::Element) (_elements | e);
set_colors ();
build_patterns ();
}
void

15
gtk2_ardour/ardour_button.h
View File

@ -95,6 +95,7 @@ class ArdourButton : public CairoWidget , public Gtkmm2ext::Activatable
bool on_button_release_event (GdkEventButton*);
void set_image (const Glib::RefPtr<Gdk::Pixbuf>&);
void set_bg_colors (uint32_t color_active, uint32_t color_inactive);
protected:
void render (cairo_t *);
@ -126,8 +127,17 @@ class ArdourButton : public CairoWidget , public Gtkmm2ext::Activatable
uint32_t bg_color;
uint32_t border_color;
uint32_t fill_color_active;
uint32_t fill_color_inactive;
uint32_t fill_color_active;
uint32_t fill_color_active_start;
uint32_t fill_color_active_end;
uint32_t fill_color_inactive_start;
uint32_t fill_color_inactive_end;
uint32_t text_color_inactive;
uint32_t text_color_active;
uint32_t led_color_inactive;
uint32_t led_color_active;
cairo_pattern_t* fill_pattern;
cairo_pattern_t* fill_pattern_active;
cairo_pattern_t* shine_pattern;
@ -161,6 +171,7 @@ class ArdourButton : public CairoWidget , public Gtkmm2ext::Activatable
void setup_led_rect ();
void set_colors ();
void build_patterns ();
void color_handler ();
void action_toggled ();