merge robin gareus' libltc into ardour source tree for convenience
[ardour.git] / gtk2_ardour / ardour_button.cc
index 942d678bfbfd01022765a35b0f842500a41b083e..a9eabd33d933abe0fe1dc45b65abf86fbf8fcf21 100644 (file)
@@ -38,6 +38,8 @@
 
 #include "i18n.h"
 
+#define REFLECTION_HEIGHT 2
+
 using namespace Gdk;
 using namespace Gtk;
 using namespace Glib;
@@ -49,6 +51,7 @@ using namespace std;
 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::Element ArdourButton::just_led_default_elements = ArdourButton::Element (ArdourButton::Edge|ArdourButton::Body|ArdourButton::Indicator);
+bool ArdourButton::_flat_buttons = false;
 
 ArdourButton::ArdourButton (Element e)
        : _elements (e)
@@ -56,11 +59,14 @@ ArdourButton::ArdourButton (Element e)
        , _text_width (0)
        , _text_height (0)
        , _diameter (11.0)
-       , _corner_radius (5.0)
+       , _corner_radius (4.0)
        , _corner_mask (0xf)
-       , edge_pattern (0)
-       , active_pattern (0)
-       , inactive_pattern (0)
+       , border_color (0)
+       , fill_color_active (0)
+       , fill_color_inactive (0)
+       , fill_pattern (0)
+       , fill_pattern_active (0)
+       , shine_pattern (0)
        , led_inset_pattern (0)
        , reflection_pattern (0)
        , _led_rect (0)
@@ -75,13 +81,18 @@ ArdourButton::ArdourButton (Element e)
 
 ArdourButton::ArdourButton (const std::string& str, Element e)
        : _elements (e)
+       , _tweaks (Tweaks (0))
        , _text_width (0)
        , _text_height (0)
        , _diameter (11.0)
-       , _corner_radius (9.0)
-       , edge_pattern (0)
-       , active_pattern (0)
-       , inactive_pattern (0)
+       , _corner_radius (4.0)
+       , _corner_mask (0xf)
+       , border_color (0)
+       , fill_color_active (0)
+       , fill_color_inactive (0)
+       , fill_pattern (0)
+       , fill_pattern_active (0)
+       , shine_pattern (0)
        , led_inset_pattern (0)
        , reflection_pattern (0)
        , _led_rect (0)
@@ -98,17 +109,26 @@ ArdourButton::~ArdourButton()
 {
        delete _led_rect;
 
-       if (edge_pattern) {
-               cairo_pattern_destroy (edge_pattern);
+       if (shine_pattern) {
+               cairo_pattern_destroy (shine_pattern);
        }
 
-       if (active_pattern) {
-               cairo_pattern_destroy (active_pattern);
+       if (fill_pattern) {
+               cairo_pattern_destroy (fill_pattern);
        }
-
-       if (inactive_pattern) {
-               cairo_pattern_destroy (inactive_pattern);
+       
+       if (fill_pattern_active) {
+               cairo_pattern_destroy (fill_pattern_active);
        }
+       
+       if (led_inset_pattern) {
+               cairo_pattern_destroy (led_inset_pattern);
+       }
+       
+       if (reflection_pattern) {
+               cairo_pattern_destroy (reflection_pattern);
+       }
+
 }
 
 void
@@ -166,31 +186,78 @@ ArdourButton::render (cairo_t* cr)
                _diameter = std::min (get_width(), get_height());
        }
 
-       if (_elements & Edge) {
-               rounded_function (cr, 0, 0, get_width(), get_height(), _corner_radius);
-               cairo_set_source (cr, edge_pattern);
-               cairo_fill (cr);
-       }
+       float r,g,b,a;
 
-       if (_elements & Body) {
+       if ((_elements & Body)==Body) {
                if (_elements & Edge) {
-                       rounded_function (cr, 1, 1, get_width()-2, get_height()-2, _corner_radius - 1.0);
+
+                       cairo_set_source_rgba (cr, 0, 0, 0, 1);
+                       rounded_function(cr, 0, 0, get_width(), get_height(), _corner_radius);
+                       cairo_fill (cr);
+
+                       rounded_function (cr, 1, 1, get_width()-2, get_height()-2, _corner_radius - 1.5);
                } else {
-                       rounded_function (cr, 0, 0, get_width(), get_height(), _corner_radius - 1.0);
+                       rounded_function (cr, 0, 0, get_width(), get_height(), _corner_radius);
                }
 
                if (active_state() == Gtkmm2ext::ImplicitActive) {
-                       cairo_set_source (cr, inactive_pattern);
-                       cairo_fill_preserve (cr);
+                       
+                       if (!(_tweaks & ImplicitUsesSolidColor)) {
+                               cairo_set_source (cr, fill_pattern);
+                       } else {
+                               cairo_set_source (cr, fill_pattern_active);
+                       }
+                       cairo_fill (cr);
+                       
+                       if (!(_tweaks & ImplicitUsesSolidColor)) {
+                               //border
+                               UINT_TO_RGBA (fill_color_active, &r, &g, &b, &a);
+                               cairo_set_line_width (cr, 1.0);
+                               rounded_function (cr, 2, 2, get_width()-4, get_height()-4, _corner_radius - 1.5);
+                               cairo_set_source_rgba (cr, r/255.0, g/255.0, b/255.0, a/255.0);
+                               cairo_stroke (cr);
+                       }
+                               
+               } else if (active_state() == Gtkmm2ext::ExplicitActive || ((_elements & Indicator)==Indicator) ) {
+
+                       //background color
+                       cairo_set_source (cr, fill_pattern_active);
+                       cairo_fill (cr);
+
+               } else {
+
+                       //background color
+                       cairo_set_source (cr, fill_pattern);
+                       cairo_fill (cr);
+
+               }
+       }
+
+       if ( ((_elements & FlatFace)==FlatFace) && (active_state() != Gtkmm2ext::ExplicitActive) ) {
+
+               if ( !_flat_buttons ) {
+                       float rheight = get_height()*0.5-REFLECTION_HEIGHT;
+                       Gtkmm2ext::rounded_rectangle (cr, 2, 3, get_width()-4, rheight, _corner_radius-1);
+                       cairo_set_source (cr, shine_pattern);
+                       cairo_fill (cr);
+               }
+
+               if (active_state() == Gtkmm2ext::ExplicitActive) {
+
+                       UINT_TO_RGBA (fill_color_active, &r, &g, &b, &a);
                        cairo_set_line_width (cr, 2.0);
-                       cairo_set_source (cr, active_pattern);
-                       cairo_stroke (cr);
-               } else if (active_state() == Gtkmm2ext::ExplicitActive) {
-                       cairo_set_source (cr, active_pattern);
+                       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);
                        cairo_fill (cr);
+
                } else {
-                       cairo_set_source (cr, inactive_pattern);
+
+                       UINT_TO_RGBA (fill_color_inactive, &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);
                        cairo_fill (cr);
+
                }
        }
 
@@ -210,12 +277,12 @@ ArdourButton::render (cairo_t* cr)
        int text_margin;
 
        if (get_width() < 75) {
-               text_margin = 3;
+               text_margin = 5;
        } else {
                text_margin = 10;
        }
 
-       if ((_elements & Text) && !_text.empty()) {
+       if ( ((_elements & Text)==Text) && !_text.empty()) {
 
                cairo_new_path (cr);    
 
@@ -234,7 +301,7 @@ ArdourButton::render (cairo_t* cr)
                pango_cairo_show_layout (cr, _layout->gobj());
        } 
 
-       if (_elements & Indicator) {
+       if (((_elements & Indicator)==Indicator)) {
 
                /* move to the center of the indicator/led */
 
@@ -265,14 +332,7 @@ ArdourButton::render (cairo_t* cr)
                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_restore (cr);
-
        }
 
 
@@ -280,7 +340,18 @@ ArdourButton::render (cairo_t* cr)
 
        if ((visual_state() & Gtkmm2ext::Insensitive)) {
                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_set_source_rgba (cr, 0.505, 0.517, 0.525, 0.5);
+               cairo_fill (cr);
+       }
+
+       //reflection
+       bool show_reflection = (active_state() == Gtkmm2ext::ExplicitActive);
+       show_reflection &= !_flat_buttons;
+       show_reflection &= !((_elements & Indicator)==Indicator);
+       if ( show_reflection ) {
+               float rheight = get_height()*0.5-REFLECTION_HEIGHT;
+               Gtkmm2ext::rounded_rectangle (cr, 2, get_height()*0.5-1, get_width()-4, rheight, _corner_radius-1);
+               cairo_set_source (cr, shine_pattern);
                cairo_fill (cr);
        }
 
@@ -366,46 +437,38 @@ ArdourButton::set_colors ()
        uint32_t text_color;
        uint32_t led_color;
 
-       /* we use the edge of the button to show Selected state, so the
-        * color/pattern used there will vary depending on that
-        */
-       
-       if (edge_pattern) {
-               cairo_pattern_destroy (edge_pattern);
-               edge_pattern = 0;
+       if (active_state() == Gtkmm2ext::ImplicitActive && (_tweaks & ImplicitUsesSolidColor)) {
+               fill_color_active = ARDOUR_UI::config()->color_by_name (string_compose ("%1: led active", get_name()));
+       } else {
+               fill_color_active = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill end active", get_name()));
        }
+       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 (_elements & Edge) {
-
-               edge_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, get_height());
-               if (visual_state() & Gtkmm2ext::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);
+       if (shine_pattern) {
+               cairo_pattern_destroy (shine_pattern);
+               shine_pattern = 0;
        }
 
-       if (active_pattern) {
-               cairo_pattern_destroy (active_pattern);
-               active_pattern = 0;
+       if (fill_pattern) {
+               cairo_pattern_destroy (fill_pattern);
+               fill_pattern = 0;
        }
 
-       if (inactive_pattern) {
-               cairo_pattern_destroy (inactive_pattern);
-               inactive_pattern = 0;
+       if (fill_pattern_active) {
+               cairo_pattern_destroy (fill_pattern_active);
+               fill_pattern_active = 0;
        }
 
        if (_elements & Body) {
 
-               active_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, get_height());
                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()));
+               
+               if (_flat_buttons) {
+                       end_color = start_color;
+               } else {
+                       end_color = fill_color_active;
+               }
                UINT_TO_RGBA (start_color, &r, &g, &b, &a);
 
                active_r = r/255.0;
@@ -413,17 +476,44 @@ ArdourButton::set_colors ()
                active_b = b/255.0;
                active_a = a/255.0;
 
-               cairo_pattern_add_color_stop_rgba (active_pattern, 0, r/255.0,g/255.0,b/255.0, a/255.0);
+               shine_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, get_height());
+               cairo_pattern_add_color_stop_rgba (shine_pattern, 0, 1,1,1,0.0);
+               cairo_pattern_add_color_stop_rgba (shine_pattern, 0.5, 1,1,1,0.1);
+               cairo_pattern_add_color_stop_rgba (shine_pattern, 0.7, 1,1,1,0.2);
+               cairo_pattern_add_color_stop_rgba (shine_pattern, 1, 1,1,1,0.1);
+
+               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()));
+               } else {
+                       start_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill start", get_name()));
+                       end_color = fill_color_inactive;
+               }
+               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 (active_pattern, 1, r/255.0,g/255.0,b/255.0, a/255.0);
+               cairo_pattern_add_color_stop_rgba (fill_pattern, 1, r/255.0,g/255.0,b/255.0, a/255.0);
 
-               inactive_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, get_height());
-               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()));
+               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()));
+                       } else {
+                               end_color = start_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill end active", get_name()));
+                       }
+               } 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()));
+                       } 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()));
+                       }
+               }
                UINT_TO_RGBA (start_color, &r, &g, &b, &a);
-               cairo_pattern_add_color_stop_rgba (inactive_pattern, 0, r/255.0,g/255.0,b/255.0, a/255.0);
+               cairo_pattern_add_color_stop_rgba (fill_pattern_active, 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 (inactive_pattern, 1, r/255.0,g/255.0,b/255.0, a/255.0);
+               cairo_pattern_add_color_stop_rgba (fill_pattern_active, 1, r/255.0,g/255.0,b/255.0, a/255.0);
        }
 
        if (led_inset_pattern) {
@@ -446,7 +536,7 @@ ArdourButton::set_colors ()
        
        /* text and LED colors */
 
-       if (active_state() == Gtkmm2ext::ExplicitActive) {
+       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()));
        } else {
@@ -762,3 +852,16 @@ ArdourButton::set_elements (Element e)
        _elements = e;
        set_colors ();
 }
+
+void
+ArdourButton::add_elements (Element e)
+{
+       _elements = (ArdourButton::Element) (_elements | e);
+       set_colors ();
+}
+
+void
+ArdourButton::set_flat_buttons (bool yn)
+{
+       _flat_buttons = yn;
+}