Fix ExportFormatSpecification copy-c'tor
[ardour.git] / gtk2_ardour / stereo_panner.cc
index 116dfbd8a078a4f1d5f4da471b6847dbb1e74206..e5b91d39781ca738cb337e81e3c0285134b868ec 100644 (file)
@@ -22,8 +22,8 @@
 #include <cmath>
 
 #include <gtkmm/window.h>
+#include <pangomm/layout.h>
 
-#include "pbd/controllable.h"
 #include "pbd/compose.h"
 
 #include "gtkmm2ext/gui_thread.h"
 #include "ardour/panner.h"
 #include "ardour/panner_shell.h"
 
-#include "ardour_ui.h"
-#include "global_signals.h"
+#include "gtkmm2ext/colors.h"
+
 #include "stereo_panner.h"
 #include "stereo_panner_editor.h"
 #include "rgb_macros.h"
 #include "utils.h"
+#include "ui_config.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace std;
 using namespace Gtk;
 using namespace Gtkmm2ext;
+using namespace ARDOUR_UI_UTILS;
 
-static const int pos_box_size = 8;
-static const int lr_box_size = 15;
-static const int step_down = 10;
-static const int top_step = 2;
+using PBD::Controllable;
 
 StereoPanner::ColorScheme StereoPanner::colors[3];
 bool StereoPanner::have_colors = false;
 
+Pango::AttrList StereoPanner::panner_font_attributes;
+bool            StereoPanner::have_font = false;
+
 using namespace ARDOUR;
 
 StereoPanner::StereoPanner (boost::shared_ptr<PannerShell> p)
@@ -79,12 +81,23 @@ StereoPanner::StereoPanner (boost::shared_ptr<PannerShell> p)
                set_colors ();
                have_colors = true;
        }
+       if (!have_font) {
+               Pango::FontDescription font;
+               Pango::AttrFontDesc* font_attr;
+               font = Pango::FontDescription (UIConfiguration::instance().get_SmallBoldMonospaceFont());
+               font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
+               panner_font_attributes.change(*font_attr);
+               delete font_attr;
+               have_font = true;
+       }
 
-       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());
-       _panner_shell->Changed.connect (connections, invalidator (*this), boost::bind (&StereoPanner::bypass_handler, this), gui_context());
+       position_control->Changed.connect (panvalue_connections, invalidator(*this), boost::bind (&StereoPanner::value_change, this), gui_context());
+       width_control->Changed.connect (panvalue_connections, invalidator(*this), boost::bind (&StereoPanner::value_change, this), gui_context());
 
-       ColorsChanged.connect (sigc::mem_fun (*this, &StereoPanner::color_handler));
+       _panner_shell->Changed.connect (panshell_connections, invalidator (*this), boost::bind (&StereoPanner::bypass_handler, this), gui_context());
+       _panner_shell->PannableChanged.connect (panshell_connections, invalidator (*this), boost::bind (&StereoPanner::pannable_handler, this), gui_context());
+
+       UIConfiguration::instance().ColorsChanged.connect (sigc::mem_fun (*this, &StereoPanner::color_handler));
 
        set_tooltip ();
 }
@@ -124,18 +137,26 @@ StereoPanner::on_expose_event (GdkEventExpose*)
        Glib::RefPtr<Gdk::Window> win (get_window());
        Glib::RefPtr<Gdk::GC> gc (get_style()->get_base_gc (get_state()));
        Cairo::RefPtr<Cairo::Context> context = get_window()->create_cairo_context();
+       Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(get_pango_context());
+       layout->set_attributes (panner_font_attributes);
 
+       int tw, th;
        int width, height;
-       double pos = position_control->get_value (); /* 0..1 */
-       double swidth = width_control->get_value (); /* -1..+1 */
-       double fswidth = fabs (swidth);
+       const double pos = position_control->get_value (); /* 0..1 */
+       const double swidth = width_control->get_value (); /* -1..+1 */
+       const double fswidth = fabs (swidth);
        uint32_t o, f, t, b, r;
        State state;
-       const double corner_radius = 5.0;
 
        width = get_width();
        height = get_height ();
 
+       const int step_down = rint(height / 3.5);
+       const double corner_radius = 5.0 * UIConfiguration::instance().get_ui_scale();
+       const int lr_box_size = height - 2 * step_down;
+       const int pos_box_size = (int)(rint(step_down * .8)) | 1;
+       const int top_step = step_down - pos_box_size;
+
        if (swidth == 0.0) {
                state = Mono;
        } else if (swidth < 0.0) {
@@ -158,11 +179,18 @@ StereoPanner::on_expose_event (GdkEventExpose*)
                r  = 0x606060ff;
        }
 
+       if (_send_mode) {
+               b = UIConfiguration::instance().color ("send bg");
+               // b = rgba_from_style("SendStripBase",
+               // UINT_RGBA_R(b), UINT_RGBA_G(b), UINT_RGBA_B(b), 255,
+               // "fg");
+       }
        /* background */
 
        context->set_source_rgba (UINT_RGBA_R_FLT(b), UINT_RGBA_G_FLT(b), UINT_RGBA_B_FLT(b), UINT_RGBA_A_FLT(b));
        cairo_rectangle (context->cobj(), 0, 0, width, height);
-       context->fill ();
+       context->fill_preserve ();
+       context->clip();
 
        /* the usable width is reduced from the real width, because we need space for
           the two halves of LR boxes that will extend past the actual left/right
@@ -181,17 +209,13 @@ StereoPanner::on_expose_event (GdkEventExpose*)
                context->translate (1.0, 0.0);
        }
 
-       double center = (lr_box_size/2.0) + (usable_width * pos);
-       const double pan_spread = (fswidth * usable_width)/2.0;
        const double half_lr_box = lr_box_size/2.0;
-       int left;
-       int right;
-
-       left = center - pan_spread;  // center of left box
-       right = center + pan_spread; // center of right box
+       const double center = rint(half_lr_box + (usable_width * pos));
+       const double pan_spread = rint((fswidth * (usable_width-1.0))/2.0);
+       const double left  = center - pan_spread;
+       const double right = center + pan_spread;
 
        /* center line */
-
        context->set_line_width (1.0);
        context->move_to ((usable_width + lr_box_size)/2.0, 0);
        context->rel_line_to (0, height);
@@ -199,67 +223,64 @@ StereoPanner::on_expose_event (GdkEventExpose*)
        context->stroke ();
 
        /* compute & draw the line through the box */
-
        context->set_line_width (2);
        context->set_source_rgba (UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));
-       context->move_to (left, top_step+(pos_box_size/2.0)+step_down);
-       context->line_to (left, top_step+(pos_box_size/2.0));
-       context->line_to (right, top_step+(pos_box_size/2.0));
-       context->line_to (right, top_step+(pos_box_size/2.0) + step_down);
+       context->move_to (left,  top_step + (pos_box_size/2.0) + step_down + 1.0);
+       context->line_to (left,  top_step + (pos_box_size/2.0));
+       context->line_to (right, top_step + (pos_box_size/2.0));
+       context->line_to (right, top_step + (pos_box_size/2.0) + step_down + 1.0);
        context->stroke ();
 
-       /* left box */
-
-       rounded_rectangle (context, left - half_lr_box,
-                          half_lr_box+step_down,
-                          lr_box_size, lr_box_size, corner_radius);
-       context->set_source_rgba (UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));
-       context->stroke_preserve ();
-       context->set_source_rgba (UINT_RGBA_R_FLT(f), UINT_RGBA_G_FLT(f), UINT_RGBA_B_FLT(f), UINT_RGBA_A_FLT(f));
-       context->fill ();
-
-       /* add text */
-
-       context->move_to (left - half_lr_box + 3,
-                         (lr_box_size/2) + step_down + 13);
-       context->select_font_face ("sans-serif", Cairo::FONT_SLANT_NORMAL, Cairo::FONT_WEIGHT_BOLD);
+       context->set_line_width (1.0);
 
+       /* left box */
        if (state != Mono) {
+               rounded_rectangle (context, left - half_lr_box,
+                               half_lr_box+step_down,
+                               lr_box_size, lr_box_size, corner_radius);
+               context->set_source_rgba (UINT_RGBA_R_FLT(f), UINT_RGBA_G_FLT(f), UINT_RGBA_B_FLT(f), UINT_RGBA_A_FLT(f));
+               context->fill_preserve();
+               context->set_source_rgba (UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));
+               context->stroke();
+
+               /* add text */
                context->set_source_rgba (UINT_RGBA_R_FLT(t), UINT_RGBA_G_FLT(t), UINT_RGBA_B_FLT(t), UINT_RGBA_A_FLT(t));
                if (swidth < 0.0) {
-                       context->show_text (_("R"));
+                       layout->set_text (S_("Panner|R"));
                } else {
-                       context->show_text (_("L"));
+                       layout->set_text (S_("Panner|L"));
                }
+               layout->get_pixel_size(tw, th);
+               context->move_to (rint(left - tw/2), rint(lr_box_size + step_down - th/2));
+               pango_cairo_show_layout (context->cobj(), layout->gobj());
        }
 
        /* right box */
-
        rounded_rectangle (context, right - half_lr_box,
-                          half_lr_box+step_down,
-                          lr_box_size, lr_box_size, corner_radius);
-       context->set_source_rgba (UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));
-       context->stroke_preserve ();
+                       half_lr_box+step_down,
+                       lr_box_size, lr_box_size, corner_radius);
        context->set_source_rgba (UINT_RGBA_R_FLT(f), UINT_RGBA_G_FLT(f), UINT_RGBA_B_FLT(f), UINT_RGBA_A_FLT(f));
-       context->fill ();
+       context->fill_preserve();
+       context->set_source_rgba (UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));
+       context->stroke();
 
        /* add text */
-
-       context->move_to (right - half_lr_box + 3, (lr_box_size/2)+step_down + 13);
        context->set_source_rgba (UINT_RGBA_R_FLT(t), UINT_RGBA_G_FLT(t), UINT_RGBA_B_FLT(t), UINT_RGBA_A_FLT(t));
 
        if (state == Mono) {
-               context->show_text (_("M"));
+               layout->set_text (S_("Panner|M"));
        } else {
                if (swidth < 0.0) {
-                       context->show_text (_("L"));
+                       layout->set_text (S_("Panner|L"));
                } else {
-                       context->show_text (_("R"));
+                       layout->set_text (S_("Panner|R"));
                }
        }
+       layout->get_pixel_size(tw, th);
+       context->move_to (rint(right - tw/2), rint(lr_box_size + step_down - th/2));
+       pango_cairo_show_layout (context->cobj(), layout->gobj());
 
        /* draw the central box */
-
        context->set_line_width (2.0);
        context->move_to (center + (pos_box_size/2.0), top_step); /* top right */
        context->rel_line_to (0.0, pos_box_size); /* lower right */
@@ -286,7 +307,7 @@ StereoPanner::on_button_press_event (GdkEventButton* ev)
        if (_panner_shell->bypassed()) {
                return true;
        }
-       
+
        drag_start_x = ev->x;
        last_drag_x = ev->x;
 
@@ -335,21 +356,21 @@ StereoPanner::on_button_press_event (GdkEventButton* ev)
                                /* 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);
+                                       width_control->set_value (0, Controllable::NoGroup);
+                                       position_control->set_value (0, Controllable::NoGroup);
                                } else {
-                                       position_control->set_value (min_pos);
+                                       position_control->set_value (min_pos, Controllable::NoGroup);
                                }
                        } 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);
+                                       width_control->set_value (0, Controllable::NoGroup);
+                                       position_control->set_value (1.0, Controllable::NoGroup);
                                } else {
-                                       position_control->set_value (max_pos);
+                                       position_control->set_value (max_pos, Controllable::NoGroup);
                                }
                        } else {
-                               position_control->set_value (0.5);
+                               position_control->set_value (0.5, Controllable::NoGroup);
                        }
 
                } else {
@@ -361,13 +382,13 @@ StereoPanner::on_button_press_event (GdkEventButton* ev)
 
                        if (ev->x <= width/3) {
                                /* left side dbl click */
-                               width_control->set_value (max_width); // reset width to 100%
+                               width_control->set_value (max_width, Controllable::NoGroup); // 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%
+                               width_control->set_value (-max_width, Controllable::NoGroup); // reset width to inverted 100%
                        } else {
                                /* center dbl click */
-                               width_control->set_value (0); // collapse width to 0%
+                               width_control->set_value (0, Controllable::NoGroup); // collapse width to 0%
                        }
                }
 
@@ -391,6 +412,7 @@ StereoPanner::on_button_press_event (GdkEventButton* ev)
                        double pos = position_control->get_value (); /* 0..1 */
                        double swidth = width_control->get_value (); /* -1..+1 */
                        double fswidth = fabs (swidth);
+                       const int lr_box_size = get_height() - 2 * rint(get_height() / 3.5);
                        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
@@ -426,7 +448,7 @@ StereoPanner::on_button_release_event (GdkEventButton* ev)
        if (PannerInterface::on_button_release_event (ev)) {
                return true;
        }
-       
+
        if (ev->button != 1) {
                return false;
        }
@@ -479,19 +501,19 @@ StereoPanner::on_scroll_event (GdkEventScroll* ev)
        switch (ev->direction) {
        case GDK_SCROLL_LEFT:
                wv += step;
-               width_control->set_value (wv);
+               width_control->set_value (wv, Controllable::NoGroup);
                break;
        case GDK_SCROLL_UP:
                pv -= step;
-               position_control->set_value (pv);
+               position_control->set_value (pv, Controllable::NoGroup);
                break;
        case GDK_SCROLL_RIGHT:
                wv -= step;
-               width_control->set_value (wv);
+               width_control->set_value (wv, Controllable::NoGroup);
                break;
        case GDK_SCROLL_DOWN:
                pv += step;
-               position_control->set_value (pv);
+               position_control->set_value (pv, Controllable::NoGroup);
                break;
        }
 
@@ -508,6 +530,7 @@ StereoPanner::on_motion_notify_event (GdkEventMotion* ev)
                return false;
        }
 
+       const int lr_box_size = get_height() - 2 * rint(get_height() / 3.5);
        int usable_width = get_width() - lr_box_size;
        double delta = (ev->x - last_drag_x) / (double) usable_width;
        double current_width = width_control->get_value ();
@@ -515,7 +538,7 @@ StereoPanner::on_motion_notify_event (GdkEventMotion* ev)
        if (dragging_left) {
                delta = -delta;
        }
-       
+
        if (dragging_left || dragging_right) {
 
                if (Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier)) {
@@ -525,13 +548,13 @@ StereoPanner::on_motion_notify_event (GdkEventMotion* ev)
                         */
 
                        _panner->freeze ();
-                       
+
                        double pv = position_control->get_value();
 
                        if (dragging_left) {
-                               position_control->set_value (pv - delta);
+                               position_control->set_value (pv - delta, Controllable::NoGroup);
                        } else {
-                               position_control->set_value (pv + delta);
+                               position_control->set_value (pv + delta, Controllable::NoGroup);
                        }
 
                        if (delta > 0.0) {
@@ -541,9 +564,9 @@ StereoPanner::on_motion_notify_event (GdkEventMotion* ev)
                                   other side remains in place when we set
                                   the position as well.
                                */
-                               width_control->set_value (current_width + (delta * 2.0));
+                               width_control->set_value (current_width + (delta * 2.0), Controllable::NoGroup);
                        } else {
-                               width_control->set_value (current_width + delta);
+                               width_control->set_value (current_width + delta, Controllable::NoGroup);
                        }
 
                        _panner->thaw ();
@@ -551,37 +574,37 @@ StereoPanner::on_motion_notify_event (GdkEventMotion* ev)
                } else {
 
                        /* maintain position as invariant as we change the width */
-                       
+
                        /* create a detent close to the center */
-                       
+
                        if (!detented && fabs (current_width) < 0.02) {
                                detented = true;
                                /* snap to zero */
-                               width_control->set_value (0);
+                               width_control->set_value (0, Controllable::NoGroup);
                        }
-                       
+
                        if (detented) {
-                               
+
                                accumulated_delta += delta;
-                               
+
                                /* have we pulled far enough to escape ? */
-                               
+
                                if (fabs (accumulated_delta) >= 0.025) {
-                                       width_control->set_value (current_width + accumulated_delta);
+                                       width_control->set_value (current_width + accumulated_delta, Controllable::NoGroup);
                                        detented = false;
                                        accumulated_delta = false;
                                }
-                               
+
                        } else {
                                /* width needs to change by 2 * delta because both L & R move */
-                               width_control->set_value (current_width + (delta * 2.0));
+                               width_control->set_value (current_width + (delta * 2.0), Controllable::NoGroup);
                        }
                }
 
        } else if (dragging_position) {
 
                double pv = position_control->get_value(); // 0..1.0 ; 0 = left
-               position_control->set_value (pv + delta);
+               position_control->set_value (pv + delta, Controllable::NoGroup);
        }
 
        last_drag_x = ev->x;
@@ -613,30 +636,30 @@ StereoPanner::on_key_press_event (GdkEventKey* ev)
        switch (ev->keyval) {
        case GDK_Up:
                if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
-                       width_control->set_value (1.0);
+                       width_control->set_value (1.0, Controllable::NoGroup);
                } else {
-                       width_control->set_value (wv + step);
+                       width_control->set_value (wv + step, Controllable::NoGroup);
                }
                break;
        case GDK_Down:
                if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
-                       width_control->set_value (-1.0);
+                       width_control->set_value (-1.0, Controllable::NoGroup);
                } else {
-                       width_control->set_value (wv - step);
+                       width_control->set_value (wv - step, Controllable::NoGroup);
                }
                break;
 
        case GDK_Left:
                pv -= step;
-               position_control->set_value (pv);
+               position_control->set_value (pv, Controllable::NoGroup);
                break;
        case GDK_Right:
                pv += step;
-               position_control->set_value (pv);
+               position_control->set_value (pv, Controllable::NoGroup);
                break;
        case GDK_0:
        case GDK_KP_0:
-               width_control->set_value (0.0);
+               width_control->set_value (0.0, Controllable::NoGroup);
                break;
 
        default:
@@ -649,23 +672,24 @@ StereoPanner::on_key_press_event (GdkEventKey* ev)
 void
 StereoPanner::set_colors ()
 {
-       colors[Normal].fill = ARDOUR_UI::config()->canvasvar_StereoPannerFill.get();
-       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();
+       colors[Normal].fill = UIConfiguration::instance().color_mod ("stereo panner fill", "panner fill");
+       // colors[Normal].outline = UIConfiguration::instance().color ("stereo panner outline");
+       colors[Normal].outline = Gtkmm2ext::HSV (colors[Normal].fill).outline().color ();
+       colors[Normal].text = UIConfiguration::instance().color ("stereo panner text");
+       colors[Normal].background = UIConfiguration::instance().color ("stereo panner bg");
+       colors[Normal].rule = UIConfiguration::instance().color ("stereo panner rule");
+
+       colors[Mono].fill = UIConfiguration::instance().color ("stereo panner mono fill");
+       colors[Mono].outline = UIConfiguration::instance().color ("stereo panner mono outline");
+       colors[Mono].text = UIConfiguration::instance().color ("stereo panner mono text");
+       colors[Mono].background = UIConfiguration::instance().color ("stereo panner mono bg");
+       colors[Mono].rule = UIConfiguration::instance().color ("stereo panner rule");
+
+       colors[Inverted].fill = UIConfiguration::instance().color_mod ("stereo panner inverted fill", "stereo panner inverted");
+       colors[Inverted].outline = UIConfiguration::instance().color ("stereo panner inverted outline");
+       colors[Inverted].text = UIConfiguration::instance().color ("stereo panner inverted text");
+       colors[Inverted].background = UIConfiguration::instance().color_mod ("stereo panner inverted bg", "stereo panner inverted bg");
+       colors[Inverted].rule = UIConfiguration::instance().color ("stereo panner rule");
 }
 
 void
@@ -681,6 +705,20 @@ StereoPanner::bypass_handler ()
        queue_draw ();
 }
 
+void
+StereoPanner::pannable_handler ()
+{
+       panvalue_connections.drop_connections();
+       position_control = _panner->pannable()->pan_azimuth_control;
+       width_control = _panner->pannable()->pan_width_control;
+       position_binder.set_controllable(position_control);
+       width_binder.set_controllable(width_control);
+
+       position_control->Changed.connect (panvalue_connections, invalidator(*this), boost::bind (&StereoPanner::value_change, this), gui_context());
+       width_control->Changed.connect (panvalue_connections, invalidator(*this), boost::bind (&StereoPanner::value_change, this), gui_context());
+       queue_draw ();
+}
+
 PannerEditor*
 StereoPanner::editor ()
 {