update GUI while waiting for video server to respond
[ardour.git] / gtk2_ardour / shuttle_control.cc
index 88159fe0209b2b943121e3bcd3c37bb78525cca4..6fdf934238a85cba1d852f825241731a5b311afe 100644 (file)
@@ -18,7 +18,7 @@
 
 #include <algorithm>
 
-#include <cairo/cairo.h>
+#include <cairo.h>
 
 #include "ardour/ardour.h"
 #include "ardour/audioengine.h"
 
 #include "gtkmm2ext/keyboard.h"
 #include "gtkmm2ext/gui_thread.h"
+#include "gtkmm2ext/cairocell.h"
+#include "gtkmm2ext/utils.h"
+#include "gtkmm2ext/rgb_macros.h"
 
+#include "actions.h"
 #include "ardour_ui.h"
 #include "rgb_macros.h"
 #include "shuttle_control.h"
@@ -52,6 +56,7 @@ 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 +66,11 @@ 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 +83,7 @@ ShuttleControl::ShuttleControl ()
 ShuttleControl::~ShuttleControl ()
 {
        cairo_pattern_destroy (pattern);
+       cairo_pattern_destroy (shine_pattern);
 }
 
 void
@@ -98,22 +105,26 @@ 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 */
-
-       uint32_t col = ARDOUR_UI::config()->canvasvar_Shuttle.get();
+       CairoWidget::on_size_allocate ( alloc);
 
+       //background
+       pattern = cairo_pattern_create_linear (0, 0, 0, alloc.get_height());
+       uint32_t col = ARDOUR_UI::config()->get_canvasvar_Shuttle();
        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 +252,19 @@ 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);
+                       gdk_pointer_grab(ev->window,false,
+                                       GdkEventMask( Gdk::POINTER_MOTION_MASK | Gdk::BUTTON_PRESS_MASK |Gdk::BUTTON_RELEASE_MASK),
+                                       NULL,NULL,ev->time);
+               }
                break;
 
        case 2:
@@ -265,15 +285,20 @@ 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 ();
+                       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_transport_speed (shuttle_speed_on_grab);
+                       } else {
+                               mouse_shuttle (ev->x, true);
+                       }
                }
-
                return true;
 
        case 2:
@@ -403,10 +428,10 @@ ShuttleControl::mouse_shuttle (double x, bool force)
 }
 
 void
-ShuttleControl::set_shuttle_fract (double f)
+ShuttleControl::set_shuttle_fract (double f, bool zero_ok)
 {
        shuttle_fract = f;
-       use_shuttle_fract (false);
+       use_shuttle_fract (false, zero_ok);
 }
 
 int
@@ -448,7 +473,7 @@ ShuttleControl::fract_as_semitones (float fract, bool& reverse)
 }
 
 void
-ShuttleControl::use_shuttle_fract (bool force)
+ShuttleControl::use_shuttle_fract (bool force, bool zero_ok)
 {
        microseconds_t now = get_microseconds();
 
@@ -479,24 +504,24 @@ ShuttleControl::use_shuttle_fract (bool force)
                speed = shuttle_max_speed * shuttle_fract;
        }
 
-       _session->request_transport_speed_nonzero (speed, true);
+       if (zero_ok) {
+               _session->request_transport_speed (speed, Config->get_shuttle_behaviour() == Wheel);
+       } else {
+               _session->request_transport_speed_nonzero (speed, Config->get_shuttle_behaviour() == Wheel);
+       }
 }
 
-bool
-ShuttleControl::on_expose_event (GdkEventExpose*)
+void
+ShuttleControl::render (cairo_t* cr, cairo_rectangle_t*)
 {
        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 +530,23 @@ 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 +585,10 @@ 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 +604,24 @@ 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
@@ -614,25 +662,13 @@ ShuttleControl::ShuttleControllable::ShuttleControllable (ShuttleControl& s)
 void
 ShuttleControl::ShuttleControllable::set_value (double val)
 {
-       double fract;
-
-       if (val == 0.5) {
-               fract = 0.0;
-       } else {
-               if (val < 0.5) {
-                       fract = -((0.5 - val)/0.5);
-               } else {
-                       fract = ((val - 0.5)/0.5);
-               }
-       }
-
-       sc.set_shuttle_fract (fract);
+       sc.set_shuttle_fract ((val - lower()) / (upper() - lower()), true);
 }
 
 double
 ShuttleControl::ShuttleControllable::get_value () const
 {
-       return sc.get_shuttle_fract ();
+       return lower() + (sc.get_shuttle_fract () * (upper() - lower()));
 }
 
 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);
+}