Add operator<< for bundles.
[ardour.git] / gtk2_ardour / stereo_panner.cc
index d3d44bd6d0a4e032ba83e8003f76cef02f2fdf96..8442b45e6704e086e82b91c29e0d7d85b46d5d00 100644 (file)
@@ -31,6 +31,7 @@
 #include "gtkmm2ext/gtk_ui.h"
 #include "gtkmm2ext/keyboard.h"
 
+#include "ardour/pannable.h"
 #include "ardour/panner.h"
 
 #include "ardour_ui.h"
@@ -52,11 +53,13 @@ static const int top_step = 2;
 
 StereoPanner::ColorScheme StereoPanner::colors[3];
 bool StereoPanner::have_colors = false;
-PBD::Signal0<void> StereoPanner::color_change;
 
-StereoPanner::StereoPanner (boost::shared_ptr<PBD::Controllable> position, boost::shared_ptr<PBD::Controllable> width)
-        : position_control (position)
-        , width_control (width)
+using namespace ARDOUR;
+
+StereoPanner::StereoPanner (boost::shared_ptr<Panner> panner)
+        : _panner (panner)
+        , position_control (_panner->pannable()->pan_azimuth_control)
+        , width_control (_panner->pannable()->pan_width_control)
         , dragging (false)
         , dragging_position (false)
         , dragging_left (false)
@@ -64,8 +67,11 @@ StereoPanner::StereoPanner (boost::shared_ptr<PBD::Controllable> position, boost
         , drag_start_x (0)
         , last_drag_x (0)
         , accumulated_delta (0)
+        , detented (false)
         , drag_data_window (0)
         , drag_data_label (0)
+        , position_binder (position_control)
+        , width_binder (width_control)
 {
         if (!have_colors) {
                 set_colors ();
@@ -75,7 +81,6 @@ StereoPanner::StereoPanner (boost::shared_ptr<PBD::Controllable> position, boost
         position_control->Changed.connect (connections, invalidator(*this), boost::bind (&StereoPanner::value_change, this), gui_context());
         width_control->Changed.connect (connections, invalidator(*this), boost::bind (&StereoPanner::value_change, this), gui_context());
 
-        set_tooltip ();
         set_flags (Gtk::CAN_FOCUS);
 
         add_events (Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK|
@@ -84,7 +89,7 @@ StereoPanner::StereoPanner (boost::shared_ptr<PBD::Controllable> position, boost
                     Gdk::SCROLL_MASK|
                     Gdk::POINTER_MOTION_MASK);
 
-        color_change.connect (connections, invalidator (*this), boost::bind (&DrawingArea::queue_draw, this), gui_context());
+        ColorsChanged.connect (sigc::mem_fun (*this, &StereoPanner::color_handler));
 }
 
 StereoPanner::~StereoPanner ()
@@ -92,21 +97,6 @@ StereoPanner::~StereoPanner ()
         delete drag_data_window;
 }
 
-void
-StereoPanner::set_tooltip ()
-{
-        Gtkmm2ext::UI::instance()->set_tip (this, 
-                                            string_compose (_("0 -> set width to zero (mono)\n%1-uparrow -> set width to 100\n%1-downarrow -> set width to -100"), 
-                                                            
-                                                            Keyboard::secondary_modifier_name()).c_str());
-}
-
-void
-StereoPanner::unset_tooltip ()
-{
-        Gtkmm2ext::UI::instance()->set_tip (this, "");
-}
-
 void
 StereoPanner::set_drag_data ()
 {
@@ -289,62 +279,124 @@ StereoPanner::on_button_press_event (GdkEventButton* ev)
         dragging_position = false;
         dragging_left = false;
         dragging_right = false;
+        dragging = false;
         accumulated_delta = 0;
+        detented = false;
+
+        /* Let the binding proxies get first crack at the press event
+         */
 
         if (ev->y < 20) {
-                /* top section of widget is for position drags */
-                dragging_position = true;
+                if (position_binder.button_press_handler (ev)) {
+                        return true;
+                }
         } else {
-                /* lower section is for dragging width */
-
-                double pos = position_control->get_value (); /* 0..1 */
-                double swidth = width_control->get_value (); /* -1..+1 */
-                double fswidth = fabs (swidth);
-                int usable_width = get_width() - lr_box_size;
-                double center = (lr_box_size/2.0) + (usable_width * pos);
-                int left = lrint (center - (fswidth * usable_width / 2.0)); // center of leftmost box
-                int right = lrint (center +  (fswidth * usable_width / 2.0)); // center of rightmost box
-                const int half_box = lr_box_size/2;
-
-                if (ev->x >= (left - half_box) && ev->x < (left + half_box)) {
-                        dragging_left = true;
-                } else if (ev->x >= (right - half_box) && ev->x < (right + half_box)) {
-                        dragging_right = true;
+                if (width_binder.button_press_handler (ev)) {
+                        return true;
                 }
-
+        }
+        
+        if (ev->button != 1) {
+                return false;
         }
 
         if (ev->type == GDK_2BUTTON_PRESS) {
-                if (dragging_position) {
-                        int width = get_width();
-                        if (ev->x >= width/2 - 10 && ev->x <= width/2 + 10) {
-                                /* double click near center, reset position to center */
-                                position_control->set_value (0.5); 
-                        } else {
-                                if (ev->x < width/2) {
-                                        /* double click on left, collapse to hard left */
+                int width = get_width();
+
+                if (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier)) {
+                        /* handled by button release */
+                        return true;
+                }
+
+                if (ev->y < 20) {
+                        
+                        /* upper section: adjusts position, constrained by width */
+
+                        const double w = width_control->get_value ();
+                        const double max_pos = 1.0 - (w/2.0);
+                        const double min_pos = w/2.0;
+
+                        if (ev->x <= width/3) {
+                                /* left side dbl click */
+                                if (Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier)) {
+                                        /* 2ndary-double click on left, collapse to hard left */
                                         width_control->set_value (0);
                                         position_control->set_value (0);
                                 } else {
-                                        /* double click on right, collapse to hard right */
+                                        position_control->set_value (min_pos);
+                                }
+                        } else if (ev->x > 2*width/3) {
+                                if (Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier)) {
+                                        /* 2ndary-double click on right, collapse to hard right */
                                         width_control->set_value (0);
                                         position_control->set_value (1.0);
+                                } else {
+                                        position_control->set_value (max_pos);
                                 }
+                        } else {
+                                position_control->set_value (0.5);
                         }
+
                 } else {
-                        if (dragging_left) {
-                                width_control->set_value (1.0); // reset width to 100%
-                        } else if (dragging_right) {
-                                width_control->set_value (-1.0); // reset width to inverted 100%
+
+                        /* lower section: adjusts width, constrained by position */
+
+                        const double p = position_control->get_value ();
+                        const double max_width = 2.0 * min ((1.0 - p), p);
+
+                        if (ev->x <= width/3) {
+                                /* left side dbl click */
+                                width_control->set_value (max_width); // reset width to 100%
+                        } else if (ev->x > 2*width/3) {
+                                /* right side dbl click */
+                                width_control->set_value (-max_width); // reset width to inverted 100%
                         } else {
+                                /* center dbl click */
                                 width_control->set_value (0); // collapse width to 0%
                         }
-                                
                 }
 
                 dragging = false;
 
-        } else {
+        } else if (ev->type == GDK_BUTTON_PRESS) {
+
+                if (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier)) {
+                        /* handled by button release */
+                        return true;
+                }
+
+                if (ev->y < 20) {
+                        /* top section of widget is for position drags */
+                        dragging_position = true;
+                        StartPositionGesture ();
+                } else {
+                        /* lower section is for dragging width */
+                        
+                        double pos = position_control->get_value (); /* 0..1 */
+                        double swidth = width_control->get_value (); /* -1..+1 */
+                        double fswidth = fabs (swidth);
+                        int usable_width = get_width() - lr_box_size;
+                        double center = (lr_box_size/2.0) + (usable_width * pos);
+                        int left = lrint (center - (fswidth * usable_width / 2.0)); // center of leftmost box
+                        int right = lrint (center +  (fswidth * usable_width / 2.0)); // center of rightmost box
+                        const int half_box = lr_box_size/2;
+                        
+                        if (ev->x >= (left - half_box) && ev->x < (left + half_box)) {
+                                if (swidth < 0.0) {
+                                        dragging_right = true;
+                                } else {
+                                        dragging_left = true;
+                                }
+                        } else if (ev->x >= (right - half_box) && ev->x < (right + half_box)) {
+                                if (swidth < 0.0) {
+                                        dragging_left = true;
+                                } else {
+                                        dragging_right = true;
+                                }
+                        }
+                        StartWidthGesture ();
+                }
+
                 dragging = true;
         }
 
@@ -354,17 +406,34 @@ StereoPanner::on_button_press_event (GdkEventButton* ev)
 bool
 StereoPanner::on_button_release_event (GdkEventButton* ev)
 {
+        if (ev->button != 1) {
+                return false;
+        }
+
+        bool dp = dragging_position;
+
         dragging = false;
         dragging_position = false;
         dragging_left = false;
         dragging_right = false;
         accumulated_delta = 0;
+        detented = false;
 
         if (drag_data_window) {
                 drag_data_window->hide ();
         }
-
-        set_tooltip ();
+        
+        if (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier)) {
+                /* reset to default */
+                position_control->set_value (0.5);
+                width_control->set_value (1.0);
+        } else {
+                if (dp) {
+                        StopPositionGesture ();
+                } else {
+                        StopWidthGesture ();
+                }
+        }
 
         return true;
 }
@@ -434,11 +503,11 @@ StereoPanner::on_motion_notify_event (GdkEventMotion* ev)
                 /* move the window a little away from the mouse */
                 drag_data_window->move (ev->x_root+30, ev->y_root+30);
                 drag_data_window->present ();
-                unset_tooltip ();
         }
 
         int w = get_width();
         double delta = (ev->x - last_drag_x) / (double) w;
+        double current_width = width_control->get_value ();
         
         if (dragging_left) {
                 delta = -delta;
@@ -448,20 +517,27 @@ StereoPanner::on_motion_notify_event (GdkEventMotion* ev)
 
                 /* maintain position as invariant as we change the width */
 
-                double current_width = width_control->get_value ();
 
                 /* create a detent close to the center */
 
-                if (fabs (current_width) < 0.1) {
+                if (!detented && fabs (current_width) < 0.02) {
+                        detented = true;
+                        /* snap to zero */
+                        width_control->set_value (0);
+                }
+                
+                if (detented) {
+
                         accumulated_delta += delta;
-                        /* in the detent - have we pulled far enough to escape ? */
-                        if (fabs (accumulated_delta) >= 0.1) {
+
+                        /* have we pulled far enough to escape ? */
+
+                        if (fabs (accumulated_delta) >= 0.025) {
                                 width_control->set_value (current_width + accumulated_delta);
-                                accumulated_delta = 0;
-                        } else {
-                                /* snap to zero */
-                                width_control->set_value (0);
+                                detented = false;
+                                accumulated_delta = false;
                         }
+                                
                 } else {
                         width_control->set_value (current_width + delta);
                 }
@@ -559,16 +635,24 @@ StereoPanner::set_colors ()
         colors[Normal].outline = ARDOUR_UI::config()->canvasvar_StereoPannerOutline.get();
         colors[Normal].text = ARDOUR_UI::config()->canvasvar_StereoPannerText.get();
         colors[Normal].background = ARDOUR_UI::config()->canvasvar_StereoPannerBackground.get();
+        colors[Normal].rule = ARDOUR_UI::config()->canvasvar_StereoPannerRule.get();
 
         colors[Mono].fill = ARDOUR_UI::config()->canvasvar_StereoPannerMonoFill.get();
         colors[Mono].outline = ARDOUR_UI::config()->canvasvar_StereoPannerMonoOutline.get();
         colors[Mono].text = ARDOUR_UI::config()->canvasvar_StereoPannerMonoText.get();
         colors[Mono].background = ARDOUR_UI::config()->canvasvar_StereoPannerMonoBackground.get();
+        colors[Mono].rule = ARDOUR_UI::config()->canvasvar_StereoPannerRule.get();
 
         colors[Inverted].fill = ARDOUR_UI::config()->canvasvar_StereoPannerInvertedFill.get();
         colors[Inverted].outline = ARDOUR_UI::config()->canvasvar_StereoPannerInvertedOutline.get();
         colors[Inverted].text = ARDOUR_UI::config()->canvasvar_StereoPannerInvertedText.get();
         colors[Inverted].background = ARDOUR_UI::config()->canvasvar_StereoPannerInvertedBackground.get();
+        colors[Inverted].rule = ARDOUR_UI::config()->canvasvar_StereoPannerRule.get();
+}
 
-        color_change (); /* EMIT SIGNAL */
+void
+StereoPanner::color_handler ()
+{
+        set_colors ();
+        queue_draw ();
 }