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provide control over precisely what aspects of an ArdourButton are rendered, and other button-related miscellany

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git-svn-id: svn://localhost/ardour2/branches/3.0@10315 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis
2011-10-27 11:53:16 +00:00
parent 892f3c361e
commit 5005ba060e
5 changed files with 146 additions and 93 deletions
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200
gtk2_ardour/ardour_button.cc
View File

@@ -38,13 +38,18 @@ using namespace Glib;
using std::max;
using std::min;
ArdourButton::ArdourButton()
: _text_width (0)
ArdourButton::Element ArdourButton::default_elements = ArdourButton::Element (ArdourButton::Edge|ArdourButton::Body|ArdourButton::Text);
ArdourButton::Element ArdourButton::led_default_elements = ArdourButton::Element (ArdourButton::default_elements|ArdourButton::Indicator);
ArdourButton::ArdourButton (Element e)
: _elements (e)
, _text_width (0)
, _text_height (0)
, _led_left (false)
, _diameter (0.0)
, _fixed_diameter (false)
, _distinct_led_click (true)
, _corner_radius (9)
, edge_pattern (0)
, fill_pattern (0)
, led_inset_pattern (0)
@@ -103,59 +108,72 @@ ArdourButton::render (cairo_t* cr)
cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
cairo_fill (cr);
/* edge */
if (_elements & Edge) {
Gtkmm2ext::rounded_rectangle (cr, 0, 0, _width, _height, _corner_radius);
cairo_set_source (cr, edge_pattern);
cairo_fill (cr);
}
Gtkmm2ext::rounded_rectangle (cr, 0, 0, _width, _height, 9);
cairo_set_source (cr, edge_pattern);
cairo_fill (cr);
/* button itself: leaves 1 pixel border of the edge visible all around. */
Gtkmm2ext::rounded_rectangle (cr, 1, 1, _width-2, _height-2, 9);
cairo_set_source (cr, fill_pattern);
cairo_fill (cr);
if (_elements & Body) {
if (_elements & Edge) {
Gtkmm2ext::rounded_rectangle (cr, 1, 1, _width-2, _height-2, _corner_radius);
} else {
Gtkmm2ext::rounded_rectangle (cr, 0, 0, _width, _height, _corner_radius);
}
cairo_set_source (cr, fill_pattern);
cairo_fill (cr);
}
/* text, if any */
if (!_text.empty()) {
if ((_elements & Text) && !_text.empty()) {
cairo_set_source_rgba (cr, text_r, text_g, text_b, text_a);
if (_led_left) {
cairo_move_to (cr, _diameter + 3 + 4, _height/2.0 - _text_height/2.0);
if (_elements & Indicator) {
if (_led_left) {
cairo_move_to (cr, _diameter + 3 + 4, _height/2.0 - _text_height/2.0);
} else {
cairo_move_to (cr, 3, _height/2.0 - _text_height/2.0);
}
} else {
cairo_move_to (cr, 3, _height/2.0 - _text_height/2.0);
/* center text */
cairo_move_to (cr, (_width - _text_width)/2.0, _height/2.0 - _text_height/2.0);
}
pango_cairo_show_layout (cr, _layout->gobj());
}
/* move to the center of the ArdourButton itself */
if (_elements & Indicator) {
if (_led_left) {
cairo_translate (cr, 3 + (_diameter/2.0), _height/2.0);
} else {
cairo_translate (cr, _width - ((_diameter/2.0) + 4.0), _height/2.0);
/* move to the center of the indicator/led */
if (_led_left) {
cairo_translate (cr, 3 + (_diameter/2.0), _height/2.0);
} else {
cairo_translate (cr, _width - ((_diameter/2.0) + 4.0), _height/2.0);
}
//inset
cairo_arc (cr, 0, 0, _diameter/2, 0, 2 * M_PI);
cairo_set_source (cr, led_inset_pattern);
cairo_fill (cr);
//black ring
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_arc (cr, 0, 0, _diameter/2-2, 0, 2 * M_PI);
cairo_fill(cr);
//led color
cairo_set_source_rgba (cr, led_r, led_g, led_b, led_a);
cairo_arc (cr, 0, 0, _diameter/2-3, 0, 2 * M_PI);
cairo_fill(cr);
//reflection
cairo_scale(cr, 0.7, 0.7);
cairo_arc (cr, 0, 0, _diameter/2-3, 0, 2 * M_PI);
cairo_set_source (cr, reflection_pattern);
cairo_fill (cr);
}
//inset
cairo_arc (cr, 0, 0, _diameter/2, 0, 2 * M_PI);
cairo_set_source (cr, led_inset_pattern);
cairo_fill (cr);
//black ring
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_arc (cr, 0, 0, _diameter/2-2, 0, 2 * M_PI);
cairo_fill(cr);
//led color
cairo_set_source_rgba (cr, led_r, led_g, led_b, led_a);
cairo_arc (cr, 0, 0, _diameter/2-3, 0, 2 * M_PI);
cairo_fill(cr);
//reflection
cairo_scale(cr, 0.7, 0.7);
cairo_arc (cr, 0, 0, _diameter/2-3, 0, 2 * M_PI);
cairo_set_source (cr, reflection_pattern);
cairo_fill (cr);
cairo_stroke (cr); // ??
}
void
@@ -173,14 +191,14 @@ ArdourButton::set_diameter (float d)
_fixed_diameter = true;
}
set_dirty ();
set_colors ();
}
void
ArdourButton::on_realize ()
ArdourButton::set_corner_radius (float r)
{
set_colors ();
CairoWidget::on_realize ();
_corner_radius = r;
set_dirty ();
}
void
@@ -219,18 +237,22 @@ ArdourButton::set_colors ()
cairo_pattern_destroy (edge_pattern);
}
edge_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, _height);
if (visual_state() & CairoWidget::Selected) {
start_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1 border start selected", get_name()));
end_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1 border end selected", get_name()));
} else {
start_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1 border start", get_name()));
end_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1 border end", get_name()));
if (_elements & Edge) {
edge_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, _height);
if (visual_state() & CairoWidget::Selected) {
start_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1 border start selected", get_name()));
end_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1 border end selected", get_name()));
} else {
start_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1 border start", get_name()));
end_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1 border end", get_name()));
}
UINT_TO_RGBA (start_color, &r, &g, &b, &a);
cairo_pattern_add_color_stop_rgba (edge_pattern, 0, r/255.0,g/255.0,b/255.0, 0.7);
UINT_TO_RGBA (end_color, &r, &g, &b, &a);
cairo_pattern_add_color_stop_rgba (edge_pattern, 1, r/255.0,g/255.0,b/255.0, 0.7);
}
UINT_TO_RGBA (start_color, &r, &g, &b, &a);
cairo_pattern_add_color_stop_rgba (edge_pattern, 0, r/255.0,g/255.0,b/255.0, 0.7);
UINT_TO_RGBA (end_color, &r, &g, &b, &a);
cairo_pattern_add_color_stop_rgba (edge_pattern, 1, r/255.0,g/255.0,b/255.0, 0.7);
/* the fill pattern is used to indicate Normal/Active/Mid state
*/
@@ -239,40 +261,45 @@ ArdourButton::set_colors ()
cairo_pattern_destroy (fill_pattern);
}
fill_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, _height);
if (active_state() == Mid) {
start_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1 fill start mid", get_name()));
end_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1 fill end mid", get_name()));
} else if (active_state() == Active) {
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()));
} else {
start_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1 fill start", get_name()));
end_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1 fill end", get_name()));
if (_elements & Body) {
fill_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, _height);
if (active_state() == Mid) {
start_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1 fill start mid", get_name()));
end_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1 fill end mid", get_name()));
} else if (active_state() == Active) {
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()));
} else {
start_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1 fill start", get_name()));
end_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1 fill end", get_name()));
}
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);
UINT_TO_RGBA (end_color, &r, &g, &b, &a);
cairo_pattern_add_color_stop_rgba (fill_pattern, 1, r/255.0,g/255.0,b/255.0, a/255.0);
}
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);
UINT_TO_RGBA (end_color, &r, &g, &b, &a);
cairo_pattern_add_color_stop_rgba (fill_pattern, 1, r/255.0,g/255.0,b/255.0, a/255.0);
if (led_inset_pattern) {
cairo_pattern_destroy (led_inset_pattern);
}
led_inset_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, _diameter);
cairo_pattern_add_color_stop_rgba (led_inset_pattern, 0, 0,0,0, 0.4);
cairo_pattern_add_color_stop_rgba (led_inset_pattern, 1, 1,1,1, 0.7);
if (reflection_pattern) {
cairo_pattern_destroy (reflection_pattern);
}
reflection_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, _diameter/2-3);
cairo_pattern_add_color_stop_rgba (reflection_pattern, 0, 1,1,1, active_state() ? 0.4 : 0.2);
cairo_pattern_add_color_stop_rgba (reflection_pattern, 1, 1,1,1, 0.0);
if (_elements & Indicator) {
led_inset_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, _diameter);
cairo_pattern_add_color_stop_rgba (led_inset_pattern, 0, 0,0,0, 0.4);
cairo_pattern_add_color_stop_rgba (led_inset_pattern, 1, 1,1,1, 0.7);
reflection_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, _diameter/2-3);
cairo_pattern_add_color_stop_rgba (reflection_pattern, 0, 1,1,1, active_state() ? 0.4 : 0.2);
cairo_pattern_add_color_stop_rgba (reflection_pattern, 1, 1,1,1, 0.0);
}
/* text and LED colors depend on Active/Normal/Mid */
if (active_state() == Active) {
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()));
@@ -307,7 +334,7 @@ ArdourButton::set_led_left (bool yn)
bool
ArdourButton::on_button_press_event (GdkEventButton *ev)
{
if (_distinct_led_click) {
if ((_elements & Indicator) && _distinct_led_click) {
/* if within LED, swallow event */
int top = lrint (_height/2.0 - _diameter/2.0);
@@ -335,7 +362,7 @@ bool
ArdourButton::on_button_release_event (GdkEventButton *ev)
{
if (_distinct_led_click) {
if ((_elements & Indicator) && _distinct_led_click) {
/* if within LED, emit signal */
@@ -352,7 +379,7 @@ ArdourButton::on_button_release_event (GdkEventButton *ev)
}
if (ev->x >= left && ev->x <= right && ev->y <= bottom && ev->y >= top) {
signal_clicked(); /* EMIT SIGNAL */
signal_led_clicked(); /* EMIT SIGNAL */
return true;
}
}
@@ -372,3 +399,10 @@ ArdourButton::color_handler ()
set_colors ();
set_dirty ();
}
void
ArdourButton::on_size_allocate (Allocation& alloc)
{
CairoWidget::on_size_allocate (alloc);
set_colors ();
}

23
gtk2_ardour/ardour_button.h
View File

@@ -29,9 +29,24 @@
class ArdourButton : public CairoWidget, Gtk::Activatable
{
public:
ArdourButton ();
enum Element {
Edge = 0x1,
Body = 0x2,
Text = 0x4,
Indicator = 0x8,
Image = 0x16
};
static Element default_elements;
static Element led_default_elements;
ArdourButton (Element e = default_elements);
virtual ~ArdourButton ();
void set_elements (Element);
Element elements() const { return _elements; }
void set_corner_radius (float);
void set_diameter (float);
void set_text (const std::string&);
@@ -40,16 +55,17 @@ class ArdourButton : public CairoWidget, Gtk::Activatable
void set_led_left (bool yn);
void set_distinct_led_click (bool yn);
sigc::signal<void> signal_clicked;
sigc::signal<void> signal_led_clicked;
protected:
void render (cairo_t *);
void on_size_request (Gtk::Requisition* req);
void on_realize ();
void on_size_allocate (Gtk::Allocation&);
bool on_button_press_event (GdkEventButton*);
bool on_button_release_event (GdkEventButton*);
private:
Element _elements;
Glib::RefPtr<Pango::Layout> _layout;
std::string _text;
int _text_width;
@@ -58,6 +74,7 @@ class ArdourButton : public CairoWidget, Gtk::Activatable
float _diameter;
bool _fixed_diameter;
bool _distinct_led_click;
float _corner_radius;
cairo_pattern_t* edge_pattern;
cairo_pattern_t* fill_pattern;

4
gtk2_ardour/mixer_strip.cc
View File

@@ -188,7 +188,7 @@ MixerStrip::init ()
monitor_input_button->set_diameter (3);
monitor_disk_button->set_diameter (3);
solo_isolated_led = manage (new ArdourButton);
solo_isolated_led = manage (new ArdourButton (ArdourButton::led_default_elements));
solo_isolated_led->show ();
solo_isolated_led->set_diameter (3);
solo_isolated_led->set_no_show_all (true);
@@ -197,7 +197,7 @@ MixerStrip::init ()
solo_isolated_led->signal_button_release_event().connect (sigc::mem_fun (*this, &RouteUI::solo_isolate_button_release));
UI::instance()->set_tip (solo_isolated_led, _("Isolate Solo"), "");
solo_safe_led = manage (new ArdourButton);
solo_safe_led = manage (new ArdourButton (ArdourButton::led_default_elements));
solo_safe_led->show ();
solo_safe_led->set_diameter (3);
solo_safe_led->set_no_show_all (true);

8
gtk2_ardour/processor_box.cc
View File

@@ -96,7 +96,8 @@ RefPtr<Action> ProcessorBox::controls_action;
Glib::RefPtr<Gdk::Pixbuf> SendProcessorEntry::_slider;
ProcessorEntry::ProcessorEntry (boost::shared_ptr<Processor> p, Width w)
: _position (PreFader)
: _button (ArdourButton::led_default_elements)
, _position (PreFader)
, _processor (p)
, _width (w)
, _visual_state (Gtk::STATE_NORMAL)
@@ -108,9 +109,10 @@ ProcessorEntry::ProcessorEntry (boost::shared_ptr<Processor> p, Width w)
_button.set_active_state (CairoWidget::Active);
}
_button.set_diameter (3);
_button.signal_clicked.connect (sigc::mem_fun (*this, &ProcessorEntry::led_clicked));
_button.set_text (name());
_button.set_distinct_led_click (true);
_button.set_led_left (true);
_button.signal_led_clicked.connect (sigc::mem_fun (*this, &ProcessorEntry::led_clicked));
_button.set_text (name());
_button.show ();
_processor->ActiveChanged.connect (active_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_active_changed, this), gui_context());

4
gtk2_ardour/route_ui.cc
View File

@@ -139,13 +139,13 @@ RouteUI::init ()
// show_sends_button->set_self_managed (true);
UI::instance()->set_tip (show_sends_button, _("make mixer strips show sends to this bus"), "");
monitor_input_button = manage (new ArdourButton ());
monitor_input_button = manage (new ArdourButton (ArdourButton::led_default_elements));
monitor_input_button->set_name ("monitor");
monitor_input_button->set_text (_("In"));
UI::instance()->set_tip (monitor_input_button, _("Monitor input"), "");
monitor_input_button->set_no_show_all (true);
monitor_disk_button = manage (new ArdourButton ());
monitor_disk_button = manage (new ArdourButton (ArdourButton::led_default_elements));
monitor_disk_button->set_name ("monitor");
monitor_disk_button->set_text (_("Disk"));
UI::instance()->set_tip (monitor_disk_button, _("Monitor playback"), "");