back off on a probably too-aggressive X11 version requirement
[ardour.git] / gtk2_ardour / shuttle_control.cc
index 88159fe0209b2b943121e3bcd3c37bb78525cca4..3422e7c2d066b3a99a15112b0fa6f64cc821a876 100644 (file)
@@ -27,6 +27,9 @@
 
 #include "gtkmm2ext/keyboard.h"
 #include "gtkmm2ext/gui_thread.h"
+#include "gtkmm2ext/cairocell.h"
+#include "gtkmm2ext/utils.h"
+#include "gtkmm2ext/rgb_macros.h"
 
 #include "ardour_ui.h"
 #include "rgb_macros.h"
@@ -52,6 +55,7 @@ ShuttleControl::ShuttleControl ()
        ARDOUR_UI::instance()->set_tip (*this, _("Shuttle speed control (Context-click for options)"));
 
        pattern = 0;
+       shine_pattern = 0;
        last_shuttle_request = 0;
        last_speed_displayed = -99999999;
        shuttle_grabbed = false;
@@ -61,10 +65,11 @@ ShuttleControl::ShuttleControl ()
        shuttle_style_menu = 0;
        shuttle_unit_menu = 0;
        shuttle_context_menu = 0;
+       _hovering = false;
 
        set_flags (CAN_FOCUS);
        add_events (Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::BUTTON_PRESS_MASK|Gdk::POINTER_MOTION_MASK|Gdk::SCROLL_MASK);
-       set_size_request (100, 15);
+       set_size_request (85, 20);
        set_name (X_("ShuttleControl"));
 
        Config->ParameterChanged.connect (parameter_connection, MISSING_INVALIDATOR, boost::bind (&ShuttleControl::parameter_changed, this, _1), gui_context());
@@ -77,6 +82,7 @@ ShuttleControl::ShuttleControl ()
 ShuttleControl::~ShuttleControl ()
 {
        cairo_pattern_destroy (pattern);
+       cairo_pattern_destroy (shine_pattern);
 }
 
 void
@@ -98,22 +104,26 @@ ShuttleControl::on_size_allocate (Gtk::Allocation& alloc)
        if (pattern) {
                cairo_pattern_destroy (pattern);
                pattern = 0;
+               cairo_pattern_destroy (shine_pattern);
+               shine_pattern = 0;
        }
 
-       pattern = cairo_pattern_create_linear (0, 0, alloc.get_width(), alloc.get_height());
-
-       /* add 3 color stops */
+       CairoWidget::on_size_allocate ( alloc);
 
+       //background
+       pattern = cairo_pattern_create_linear (0, 0, 0, alloc.get_height());
        uint32_t col = ARDOUR_UI::config()->canvasvar_Shuttle.get();
-
        int r,b,g,a;
        UINT_TO_RGBA(col, &r, &g, &b, &a);
-
-       cairo_pattern_add_color_stop_rgb (pattern, 0.0, 0, 0, 0);
-       cairo_pattern_add_color_stop_rgb (pattern, 0.5, r/255.0, g/255.0, b/255.0);
-       cairo_pattern_add_color_stop_rgb (pattern, 1.0, 0, 0, 0);
-
-       DrawingArea::on_size_allocate (alloc);
+       cairo_pattern_add_color_stop_rgb (pattern, 0.0, r/400.0, g/400.0, b/400.0);
+       cairo_pattern_add_color_stop_rgb (pattern, 0.4, r/255.0, g/255.0, b/255.0);
+       cairo_pattern_add_color_stop_rgb (pattern, 1.0, r/512.0, g/512.0, b/512.0);
+
+       //reflection
+       shine_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, 10);
+       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);
 }
 
 void
@@ -241,10 +251,16 @@ ShuttleControl::on_button_press_event (GdkEventButton* ev)
 
        switch (ev->button) {
        case 1:
-               add_modal_grab ();
-               shuttle_grabbed = true;
-               shuttle_speed_on_grab = _session->transport_speed ();
-               mouse_shuttle (ev->x, true);
+               if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
+                       if (_session->transport_rolling()) {
+                               _session->request_transport_speed (1.0);
+                       }
+               } else {
+                       add_modal_grab ();
+                       shuttle_grabbed = true;
+                       shuttle_speed_on_grab = _session->transport_speed ();
+                       mouse_shuttle (ev->x, true);
+               }
                break;
 
        case 2:
@@ -265,15 +281,16 @@ ShuttleControl::on_button_release_event (GdkEventButton* ev)
 
        switch (ev->button) {
        case 1:
-               shuttle_grabbed = false;
-               remove_modal_grab ();
-
-               if (Config->get_shuttle_behaviour() == Sprung) {
-                       _session->request_transport_speed (shuttle_speed_on_grab);
-               } else {
-                       mouse_shuttle (ev->x, true);
+               if (shuttle_grabbed) {
+                       shuttle_grabbed = false;
+                       remove_modal_grab ();
+                       
+                       if (Config->get_shuttle_behaviour() == Sprung) {
+                               _session->request_transport_speed (shuttle_speed_on_grab);
+                       } else {
+                               mouse_shuttle (ev->x, true);
+                       }
                }
-
                return true;
 
        case 2:
@@ -482,21 +499,17 @@ ShuttleControl::use_shuttle_fract (bool force)
        _session->request_transport_speed_nonzero (speed, true);
 }
 
-bool
-ShuttleControl::on_expose_event (GdkEventExpose*)
+void
+ShuttleControl::render (cairo_t* cr)
 {
        cairo_text_extents_t extents;
-       Glib::RefPtr<Gdk::Window> win (get_window());
-       Glib::RefPtr<Gtk::Style> style (get_style());
 
-       cairo_t* cr = gdk_cairo_create (win->gobj());
-
-       cairo_set_source (cr, pattern);
-       cairo_rectangle (cr, 0.0, 0.0, get_width(), get_height());
-       cairo_fill_preserve (cr);
-
-       cairo_set_source_rgb (cr, 0, 0, 0.0);
-       cairo_stroke (cr);
+       //black border
+       cairo_set_source_rgb (cr, 0, 0.0, 0.0);
+       rounded_rectangle (cr, 0, 0, get_width(), get_height(), 4);
+//     cairo_fill_preserve (cr);
+//     cairo_stroke (cr);
+       cairo_fill (cr);
 
        float speed = 0.0;
 
@@ -505,12 +518,23 @@ ShuttleControl::on_expose_event (GdkEventExpose*)
        }
 
        /* Marker */
-
-       double visual_fraction = std::min (1.0f, speed/shuttle_max_speed);
-       double x = (get_width() / 2.0) + (0.5 * (get_width() * visual_fraction));
-       cairo_move_to (cr, x, 1);
-       cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
-       cairo_line_to (cr, x, get_height()-1);
+       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;
+//     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);
+       } else if ( speed ==0.0 )
+               rounded_rectangle (cr, offset, 4, marker_size-2, marker_size-2, 1);
+       else
+               cairo_arc (cr, offset + marker_size*0.5, 2 + marker_size*0.5, marker_size*0.5, 0, 360);
+       cairo_set_line_width (cr, 2);
        cairo_stroke (cr);
 
        /* speed text */
@@ -549,9 +573,10 @@ ShuttleControl::on_expose_event (GdkEventExpose*)
 
        last_speed_displayed = speed;
 
-       cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
+       cairo_set_source_rgb (cr, 0.6, 0.6, 0.6);
        cairo_text_extents (cr, buf, &extents);
-       cairo_move_to (cr, 10, extents.height + 2);
+       cairo_move_to (cr, 10, extents.height + 4);
+       cairo_set_font_size (cr, 13.0);
        cairo_show_text (cr, buf);
 
        /* style text */
@@ -567,13 +592,24 @@ ShuttleControl::on_expose_event (GdkEventExpose*)
        }
 
        cairo_text_extents (cr, buf, &extents);
-
-       cairo_move_to (cr, get_width() - (fabs(extents.x_advance) + 5), extents.height + 2);
+       cairo_move_to (cr, get_width() - (fabs(extents.x_advance) + 5), extents.height + 4);
        cairo_show_text (cr, buf);
 
-       cairo_destroy (cr);
+       float _corner_radius = 4.0;
 
-       return true;
+/*     //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::Config->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);
+                       cairo_fill (cr);
+               }
+       }
 }
 
 void
@@ -669,3 +705,28 @@ ShuttleControl::parameter_changed (std::string p)
                queue_draw ();
        }
 }
+
+
+bool
+ShuttleControl::on_enter_notify_event (GdkEventCrossing* ev)
+{
+       _hovering = true;
+
+       if (ARDOUR::Config->get_widget_prelight()) {
+               queue_draw ();
+       }
+
+       return CairoWidget::on_enter_notify_event (ev);
+}
+
+bool
+ShuttleControl::on_leave_notify_event (GdkEventCrossing* ev)
+{
+       _hovering = false;
+
+       if (ARDOUR::Config->get_widget_prelight()) {
+               queue_draw ();
+       }
+
+       return CairoWidget::on_leave_notify_event (ev);
+}