enough with umpteen "i18n.h" files. Consolidate on pbd/i18n.h
[ardour.git] / gtk2_ardour / shuttle_control.cc
index decff696ddd6022d98e17bf3c273e405b80b2caf..938ba08c51fe3a35f9a51ba094082b686514ce83 100644 (file)
 #include "gtkmm2ext/rgb_macros.h"
 
 #include "actions.h"
-#include "ardour_ui.h"
 #include "rgb_macros.h"
 #include "shuttle_control.h"
+#include "tooltips.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace Gtk;
 using namespace Gtkmm2ext;
 using namespace ARDOUR;
+using namespace ARDOUR_UI_UTILS;
 using std::min;
 using std::max;
 
@@ -52,8 +53,15 @@ gboolean qt (gboolean, gint, gint, gboolean, Gtk::Tooltip*, gpointer)
 ShuttleControl::ShuttleControl ()
        : _controllable (new ShuttleControllable (*this))
        , binding_proxy (_controllable)
+       , text_color (0)
 {
-       ARDOUR_UI::instance()->set_tip (*this, _("Shuttle speed control (Context-click for options)"));
+       left_text = Pango::Layout::create (get_pango_context());
+       right_text = Pango::Layout::create (get_pango_context());
+
+       right_text->set_attributes (text_attributes);
+       left_text->set_attributes (text_attributes);
+
+       set_tooltip (*this, _("Shuttle speed control (Context-click for options)"));
 
        pattern = 0;
        shine_pattern = 0;
@@ -73,7 +81,19 @@ ShuttleControl::ShuttleControl ()
        set_size_request (85, 20);
        set_name (X_("ShuttleControl"));
 
+       shuttle_max_speed = Config->get_shuttle_max_speed();
+
+       if      (shuttle_max_speed >= 8.f) { shuttle_max_speed = 8.0f; }
+       else if (shuttle_max_speed >= 6.f) { shuttle_max_speed = 6.0f; }
+       else if (shuttle_max_speed >= 4.f) { shuttle_max_speed = 4.0f; }
+       else if (shuttle_max_speed >= 3.f) { shuttle_max_speed = 3.0f; }
+       else if (shuttle_max_speed >= 2.f) { shuttle_max_speed = 2.0f; }
+       else                               { shuttle_max_speed = 1.5f; }
+
        Config->ParameterChanged.connect (parameter_connection, MISSING_INVALIDATOR, boost::bind (&ShuttleControl::parameter_changed, this, _1), gui_context());
+       UIConfiguration::instance().ColorsChanged.connect (sigc::mem_fun (*this, &ShuttleControl::set_colors));
+
+       set_colors ();
 
        /* gtkmm 2.4: the C++ wrapper doesn't work */
        g_signal_connect ((GObject*) gobj(), "query-tooltip", G_CALLBACK (qt), NULL);
@@ -113,7 +133,7 @@ ShuttleControl::on_size_allocate (Gtk::Allocation& alloc)
 
        //background
        pattern = cairo_pattern_create_linear (0, 0, 0, alloc.get_height());
-       uint32_t col = ARDOUR_UI::config()->color ("shuttle");
+       uint32_t col = UIConfiguration::instance().color ("shuttle");
        int r,b,g,a;
        UINT_TO_RGBA(col, &r, &g, &b, &a);
        cairo_pattern_add_color_stop_rgb (pattern, 0.0, r/400.0, g/400.0, b/400.0);
@@ -125,6 +145,13 @@ ShuttleControl::on_size_allocate (Gtk::Allocation& alloc)
        cairo_pattern_add_color_stop_rgba (shine_pattern, 0, 1,1,1,0.0);
        cairo_pattern_add_color_stop_rgba (shine_pattern, 0.2, 1,1,1,0.4);
        cairo_pattern_add_color_stop_rgba (shine_pattern, 1, 1,1,1,0.1);
+
+       Pango::AttrFontDesc* font_attr;
+
+       font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (UIConfiguration::instance().get_NormalBoldFont()));
+       text_attributes.change (*font_attr);
+
+       delete font_attr;
 }
 
 void
@@ -132,6 +159,15 @@ ShuttleControl::map_transport_state ()
 {
        float speed = _session->transport_speed ();
 
+       if ( (fabsf( speed - last_speed_displayed) < 0.005f) // dead-zone
+            && !( speed == 1.f && last_speed_displayed != 1.f)
+            && !( speed == 0.f && last_speed_displayed != 0.f)
+               )
+       {
+               return; // nothing to see here, move along.
+       }
+
+       // Q: is there a good reason why we  re-calculate this every time?
        if (fabs(speed) <= (2*DBL_EPSILON)) {
                shuttle_fract = 0;
        } else {
@@ -216,6 +252,8 @@ ShuttleControl::build_shuttle_context_menu ()
 
        items.push_back (MenuElem (_("Maximum speed"), *speed_menu));
 
+       items.push_back (SeparatorElem ());
+       items.push_back (MenuElem (_("Reset to 100%"), sigc::mem_fun (*this, &ShuttleControl::reset_speed)));
 }
 
 void
@@ -228,10 +266,22 @@ ShuttleControl::show_shuttle_context_menu ()
        shuttle_context_menu->popup (1, gtk_get_current_event_time());
 }
 
+void
+ShuttleControl::reset_speed ()
+{
+       if (_session->transport_rolling()) {
+               _session->request_transport_speed (1.0, true);
+       } else {
+               _session->request_transport_speed (0.0, true);
+       }
+}
+
 void
 ShuttleControl::set_shuttle_max_speed (float speed)
 {
+       Config->set_shuttle_max_speed (speed);
        shuttle_max_speed = speed;
+       last_speed_displayed = -99999999;
 }
 
 bool
@@ -262,8 +312,8 @@ ShuttleControl::on_button_press_event (GdkEventButton* ev)
                        shuttle_speed_on_grab = _session->transport_speed ();
                        mouse_shuttle (ev->x, true);
                        gdk_pointer_grab(ev->window,false,
-                                       GdkEventMask( Gdk::POINTER_MOTION_MASK | Gdk::BUTTON_PRESS_MASK |Gdk::BUTTON_RELEASE_MASK),
-                                       NULL,NULL,ev->time);
+                                        GdkEventMask( Gdk::POINTER_MOTION_MASK | Gdk::BUTTON_PRESS_MASK |Gdk::BUTTON_RELEASE_MASK),
+                                        NULL,NULL,ev->time);
                }
                break;
 
@@ -289,12 +339,13 @@ ShuttleControl::on_button_release_event (GdkEventButton* ev)
                        shuttle_grabbed = false;
                        remove_modal_grab ();
                        gdk_pointer_ungrab (GDK_CURRENT_TIME);
-                       
+
                        if (Config->get_shuttle_behaviour() == Sprung) {
                                if (shuttle_speed_on_grab == 0 ) {
-                                       _session->request_transport_speed (1.0);
+                                       _session->request_stop ();
+                               } else {
+                                       _session->request_transport_speed (shuttle_speed_on_grab);
                                }
-                               _session->request_transport_speed (shuttle_speed_on_grab);
                        } else {
                                mouse_shuttle (ev->x, true);
                        }
@@ -363,7 +414,7 @@ ShuttleControl::on_scroll_event (GdkEventScroll* ev)
        default:
                return false;
        }
-       
+
        if (semis) {
 
                float lower_side_of_dead_zone = semitones_as_fract (-24, true);
@@ -512,15 +563,37 @@ ShuttleControl::use_shuttle_fract (bool force, bool zero_ok)
 }
 
 void
-ShuttleControl::render (cairo_t* cr, cairo_rectangle_t*)
+ShuttleControl::set_colors ()
 {
-       cairo_text_extents_t extents;
+       int r, g, b, a;
 
+       uint32_t bg_color = UIConfiguration::instance().color (X_("shuttle bg"));
+       uint32_t text = UIConfiguration::instance().color (X_("shuttle text"));
+
+       UINT_TO_RGBA (bg_color, &r, &g, &b, &a);
+       bg_r = r/255.0;
+       bg_g = g/255.0;
+       bg_b = b/255.0;
+
+       UINT_TO_RGBA (text, &r, &g, &b, &a);
+
+       /* rescale for Pango colors ... sigh */
+
+       r = lrint (r * 65535.0);
+       g = lrint (g * 65535.0);
+       b = lrint (b * 65535.0);
+
+       delete text_color;
+       text_color = new Pango::AttrColor (Pango::Attribute::create_attr_foreground (r, g, b));
+       text_attributes.change (*text_color);
+}
+
+void
+ShuttleControl::render (cairo_t* cr, cairo_rectangle_t*)
+{
        //black border
-       cairo_set_source_rgb (cr, 0, 0.0, 0.0);
+       cairo_set_source_rgb (cr, bg_r, bg_g, bg_b);
        rounded_rectangle (cr, 0, 0, get_width(), get_height(), 4);
-//     cairo_fill_preserve (cr);
-//     cairo_stroke (cr);
        cairo_fill (cr);
 
        float speed = 0.0;
@@ -530,23 +603,22 @@ ShuttleControl::render (cairo_t* cr, cairo_rectangle_t*)
        }
 
        /* Marker */
-       float visual_fraction = std::min (1.0f, speed/shuttle_max_speed);
-       float marker_size = get_height()-4;
-       float avail_width = get_width() - marker_size;
-       float x = get_width()*0.5 + visual_fraction * avail_width*0.5;
-       float offset = x - marker_size*0.5;
+       float visual_fraction = std::min (1.0f, speed / shuttle_max_speed);
+       float marker_size = get_height() - 5.0;
+       float avail_width = get_width() - marker_size - 4;
+       float x = get_width() * 0.5 + visual_fraction * avail_width * 0.5;
 //     cairo_set_source_rgb (cr, 0, 1, 0.0);
        cairo_set_source (cr, pattern);
        if (speed == 1.0) {
-               cairo_move_to( cr, offset-4, 2);
-               cairo_line_to( cr, offset+4, 2+marker_size*0.5);
-               cairo_line_to( cr, offset-4, 2+marker_size);
-               cairo_line_to( cr, offset-4, 2);
+               cairo_move_to( cr, x, 2.5);
+               cairo_line_to( cr, x + marker_size * .577, 2.5 + marker_size * 0.5);
+               cairo_line_to( cr, x, 2.5 + marker_size);
+               cairo_close_path(cr);
        } else if ( speed ==0.0 )
-               rounded_rectangle (cr, offset, 4, marker_size-2, marker_size-2, 1);
+               rounded_rectangle (cr, x, 2.5, marker_size, marker_size, 1);
        else
-               cairo_arc (cr, offset + marker_size*0.5, 2 + marker_size*0.5, marker_size*0.5, 0, 2. * M_PI);
-       cairo_set_line_width (cr, 2);
+               cairo_arc (cr, x, 2.5 + marker_size * .5, marker_size * 0.47, 0, 2.0 * M_PI);
+       cairo_set_line_width (cr, 1.75);
        cairo_stroke (cr);
 
        /* speed text */
@@ -561,9 +633,9 @@ ShuttleControl::render (cairo_t* cr, cairo_rectangle_t*)
                                snprintf (buf, sizeof (buf), "%s", _("Playing"));
                        } else {
                                if (speed < 0.0) {
-                                       snprintf (buf, sizeof (buf), "<<< %d%%", (int) round (-speed * 100));
+                                       snprintf (buf, sizeof (buf), "<<< %.1f%%", -speed * 100.f);
                                } else {
-                                       snprintf (buf, sizeof (buf), ">>> %d%%", (int) round (speed * 100));
+                                       snprintf (buf, sizeof (buf), ">>> %.1f%%", speed * 100.f);
                                }
                        }
 
@@ -585,14 +657,14 @@ ShuttleControl::render (cairo_t* cr, cairo_rectangle_t*)
 
        last_speed_displayed = speed;
 
-       cairo_set_source_rgb (cr, 0.6, 0.6, 0.6);
-       cairo_text_extents (cr, buf, &extents);
-       cairo_move_to (cr, 10, extents.height + 4);
-       cairo_set_font_size (cr, 13.0);
-       cairo_show_text (cr, buf);
+       const float top_text_margin = 3.0f;
+       const float side_text_margin = 5.0f;
 
-       /* style text */
+       left_text->set_text (buf);
+       cairo_move_to (cr, side_text_margin, top_text_margin);
+       pango_cairo_show_layout (cr, left_text->gobj());
 
+       /* style text */
 
        switch (Config->get_shuttle_behaviour()) {
        case Sprung:
@@ -603,22 +675,15 @@ ShuttleControl::render (cairo_t* cr, cairo_rectangle_t*)
                break;
        }
 
-       cairo_text_extents (cr, buf, &extents);
-       cairo_move_to (cr, get_width() - (fabs(extents.x_advance) + 5), extents.height + 4);
-       cairo_show_text (cr, buf);
-
-       float _corner_radius = 4.0;
+       right_text->set_text (buf);
+       Pango::Rectangle r = right_text->get_ink_extents ();
+       cairo_move_to (cr, get_width() - ((r.get_width()/PANGO_SCALE) + side_text_margin), top_text_margin);
+       pango_cairo_show_layout (cr, right_text->gobj());
 
-/*     //reflection
-       float rheight = 10.0;
-       Gtkmm2ext::rounded_rectangle (cr, 2, 1, get_width()-4, rheight, _corner_radius);
-       cairo_set_source (cr, shine_pattern);
-       cairo_fill (cr);
-*/
-       if (ARDOUR_UI::config()->get_widget_prelight()) {
+       if (UIConfiguration::instance().get_widget_prelight()) {
                if (_hovering) {
-                       rounded_rectangle (cr, 1, 1, get_width()-2, get_height()-2, _corner_radius);
-                       cairo_set_source_rgba (cr, 1, 1, 1, 0.2);
+                       rounded_rectangle (cr, 1, 1, get_width()-2, get_height()-2, 4.0);
+                       cairo_set_source_rgba (cr, 1, 1, 1, 0.15);
                        cairo_fill (cr);
                }
        }
@@ -645,14 +710,6 @@ ShuttleControl::set_shuttle_units (ShuttleUnits s)
        Config->set_shuttle_units (s);
 }
 
-void
-ShuttleControl::update_speed_display ()
-{
-       if (_session->transport_speed() != last_speed_displayed) {
-               queue_draw ();
-       }
-}
-
 ShuttleControl::ShuttleControllable::ShuttleControllable (ShuttleControl& s)
        : PBD::Controllable (X_("Shuttle"))
        , sc (s)
@@ -660,7 +717,7 @@ ShuttleControl::ShuttleControllable::ShuttleControllable (ShuttleControl& s)
 }
 
 void
-ShuttleControl::ShuttleControllable::set_value (double val)
+ShuttleControl::ShuttleControllable::set_value (double val, PBD::Controllable::GroupControlDisposition /*group_override*/)
 {
        sc.set_shuttle_fract ((val - lower()) / (upper() - lower()), true);
 }
@@ -712,7 +769,7 @@ ShuttleControl::on_enter_notify_event (GdkEventCrossing* ev)
 {
        _hovering = true;
 
-       if (ARDOUR_UI::config()->get_widget_prelight()) {
+       if (UIConfiguration::instance().get_widget_prelight()) {
                queue_draw ();
        }
 
@@ -724,7 +781,7 @@ ShuttleControl::on_leave_notify_event (GdkEventCrossing* ev)
 {
        _hovering = false;
 
-       if (ARDOUR_UI::config()->get_widget_prelight()) {
+       if (UIConfiguration::instance().get_widget_prelight()) {
                queue_draw ();
        }