Use a C++ bool constant
[ardour.git] / gtk2_ardour / editor_summary.cc
index 57cace3565188a50d6f17d0cb5895d9a5dbfaa53..a2882a201a25a1fbc9aea895fc0b52b39abd7f02 100644 (file)
@@ -33,6 +33,7 @@
 #include "editor_cursors.h"
 #include "mouse_cursors.h"
 #include "route_time_axis.h"
+#include "ui_config.h"
 
 using namespace std;
 using namespace ARDOUR;
@@ -55,10 +56,27 @@ EditorSummary::EditorSummary (Editor* e)
          _view_rectangle_y (0, 0),
          _zoom_dragging (false),
          _old_follow_playhead (false),
+         _image (0),
          _background_dirty (true)
 {
        add_events (Gdk::POINTER_MOTION_MASK|Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
        set_flags (get_flags() | Gtk::CAN_FOCUS);
+
+       UIConfiguration::instance().ParameterChanged.connect (sigc::mem_fun (*this, &EditorSummary::parameter_changed));
+}
+
+EditorSummary::~EditorSummary ()
+{
+       cairo_surface_destroy (_image);
+}
+
+void
+EditorSummary::parameter_changed (string p)
+{
+
+       if (p == "color-regions-using-track-color") {
+               set_background_dirty ();
+       }
 }
 
 /** Handle a size allocation.
@@ -67,9 +85,8 @@ EditorSummary::EditorSummary (Editor* e)
 void
 EditorSummary::on_size_allocate (Gtk::Allocation& alloc)
 {
-       Gtk::EventBox::on_size_allocate (alloc);
-       _background_dirty = true;
-       set_dirty ();
+       CairoWidget::on_size_allocate (alloc);
+       set_background_dirty ();
 }
 
 
@@ -90,10 +107,10 @@ EditorSummary::set_session (Session* s)
 
        if (_session) {
                Region::RegionPropertyChanged.connect (region_property_connection, invalidator (*this), boost::bind (&EditorSummary::set_background_dirty, this), gui_context());
-               Route::RemoteControlIDChange.connect (route_ctrl_id_connection, invalidator (*this), boost::bind (&EditorSummary::set_background_dirty, this), gui_context());
+               PresentationInfo::Change.connect (route_ctrl_id_connection, invalidator (*this), boost::bind (&EditorSummary::set_background_dirty, this), gui_context());
                _editor->playhead_cursor->PositionChanged.connect (position_connection, invalidator (*this), boost::bind (&EditorSummary::playhead_position_changed, this, _1), gui_context());
-               _session->StartTimeChanged.connect (_session_connections, invalidator (*this), boost::bind (&CairoWidget::set_dirty, this), gui_context());
-               _session->EndTimeChanged.connect (_session_connections, invalidator (*this), boost::bind (&CairoWidget::set_dirty, this), gui_context());
+               _session->StartTimeChanged.connect (_session_connections, invalidator (*this), boost::bind (&EditorSummary::set_background_dirty, this), gui_context());
+               _session->EndTimeChanged.connect (_session_connections, invalidator (*this), boost::bind (&EditorSummary::set_background_dirty, this), gui_context());
                _editor->selection->RegionsChanged.connect (sigc::mem_fun(*this, &EditorSummary::set_background_dirty));
        }
 }
@@ -101,7 +118,9 @@ EditorSummary::set_session (Session* s)
 void
 EditorSummary::render_background_image ()
 {
-       _image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, get_width (), get_height ());
+       cairo_surface_destroy (_image); // passing NULL is safe
+       _image = cairo_image_surface_create (CAIRO_FORMAT_RGB24, get_width (), get_height ());
+
        cairo_t* cr = cairo_create (_image);
 
        /* background (really just the dividing lines between tracks */
@@ -158,7 +177,7 @@ EditorSummary::render_background_image ()
                StreamView* s = (*i)->view ();
 
                if (s) {
-                       cairo_set_line_width (cr, _track_height * 0.6);
+                       cairo_set_line_width (cr, _track_height * 0.8);
 
                        s->foreach_regionview (sigc::bind (
                                                       sigc::mem_fun (*this, &EditorSummary::render_region),
@@ -169,6 +188,21 @@ EditorSummary::render_background_image ()
 
                y += _track_height;
        }
+
+       /* start and end markers */
+
+       cairo_set_line_width (cr, 1);
+       cairo_set_source_rgb (cr, 1, 1, 0);
+
+       const double p = (_session->current_start_frame() - _start) * _x_scale;
+       cairo_move_to (cr, p, 0);
+       cairo_line_to (cr, p, get_height());
+
+       double const q = (_session->current_end_frame() - _start) * _x_scale;
+       cairo_move_to (cr, q, 0);
+       cairo_line_to (cr, q, get_height());
+       cairo_stroke (cr);
+
        cairo_destroy (cr);
 }
 
@@ -189,24 +223,12 @@ EditorSummary::render (cairo_t* cr, cairo_rectangle_t*)
        }
 
        cairo_push_group (cr);
-       
-       cairo_rectangle (cr, 0, 0, get_width(), get_height());
-       cairo_set_source_surface (cr, _image, 0, 0);
-       cairo_paint (cr);
-
-       /* start and end markers */
 
-       cairo_set_line_width (cr, 1);
-       cairo_set_source_rgb (cr, 1, 1, 0);
-
-       const double p = (_session->current_start_frame() - _start) * _x_scale;
-       cairo_move_to (cr, p, 0);
-       cairo_line_to (cr, p, get_height());
+       /* Fill with the background image */
 
-       double const q = (_session->current_end_frame() - _start) * _x_scale;
-       cairo_move_to (cr, q, 0);
-       cairo_line_to (cr, q, get_height());
-       cairo_stroke (cr);
+       cairo_rectangle (cr, 0, 0, get_width(), get_height());
+       cairo_set_source_surface (cr, _image, 0, 0);
+       cairo_fill (cr);
 
        /* Render the view rectangle.  If there is an editor visual pending, don't update
           the view rectangle now --- wait until the expose event that we'll get after
@@ -219,11 +241,11 @@ EditorSummary::render (cairo_t* cr, cairo_rectangle_t*)
 
        int32_t width = _view_rectangle_x.second - _view_rectangle_x.first;
        int32_t height = _view_rectangle_y.second - _view_rectangle_y.first;
-       cairo_rectangle (cr, _view_rectangle_x.first, _view_rectangle_y.first, width, height); 
-       cairo_set_source_rgba (cr, 1, 1, 1, 0.25);
+       cairo_rectangle (cr, _view_rectangle_x.first, _view_rectangle_y.first, width, height);
+       cairo_set_source_rgba (cr, 1, 1, 1, 0.1);
        cairo_fill_preserve (cr);
        cairo_set_line_width (cr, 1);
-       cairo_set_source_rgba (cr, 1, 1, 1, 0.5);
+       cairo_set_source_rgba (cr, 1, 1, 1, 0.4);
        cairo_stroke (cr);
 
        /* Playhead */
@@ -271,8 +293,10 @@ EditorSummary::render_region (RegionView* r, cairo_t* cr, double y) const
 void
 EditorSummary::set_background_dirty ()
 {
-       _background_dirty = true;
-       set_dirty ();
+       if (!_background_dirty) {
+               _background_dirty = true;
+               set_dirty ();
+       }
 }
 
 /** Set the summary so that just the overlays (viewbox, playhead etc.) will be re-rendered */
@@ -330,7 +354,7 @@ EditorSummary::centre_on_click (GdkEventButton* ev)
        set_editor (ex, ey);
 }
 
-bool 
+bool
 EditorSummary::on_enter_notify_event (GdkEventCrossing*)
 {
        grab_focus ();
@@ -338,7 +362,7 @@ EditorSummary::on_enter_notify_event (GdkEventCrossing*)
        return false;
 }
 
-bool 
+bool
 EditorSummary::on_leave_notify_event (GdkEventCrossing*)
 {
        /* there are no inferior/child windows, so any leave event means that
@@ -386,7 +410,7 @@ bool
 EditorSummary::on_button_press_event (GdkEventButton* ev)
 {
        _old_follow_playhead = _editor->follow_playhead ();
-       
+
        if (ev->button == 1) {
 
                pair<double, double> xr;
@@ -414,7 +438,7 @@ EditorSummary::on_button_press_event (GdkEventButton* ev)
                                get_editor (&_pending_editor_x, &_pending_editor_y);
                                _pending_editor_changed = false;
                        }
-                       
+
                } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
 
                        /* secondary-modifier-click: locate playhead */
@@ -452,7 +476,7 @@ EditorSummary::on_button_press_event (GdkEventButton* ev)
 bool
 EditorSummary::suspending_editor_updates () const
 {
-       return (!Config->get_update_editor_during_summary_drag () && (_zoom_dragging || _move_dragging));
+       return (!UIConfiguration::instance().get_update_editor_during_summary_drag () && (_zoom_dragging || _move_dragging));
 }
 
 /** Fill in x and y with the editor's current viewable area in summary coordinates */
@@ -467,7 +491,7 @@ EditorSummary::get_editor (pair<double, double>* x, pair<double, double>* y) con
                /* We are dragging, and configured not to update the editor window during drags,
                   so just return where the editor will be when the drag finishes.
                */
-                  
+
                *x = _pending_editor_x;
                *y = _pending_editor_y;
 
@@ -477,9 +501,9 @@ EditorSummary::get_editor (pair<double, double>* x, pair<double, double>* y) con
 
                x->first = (_editor->leftmost_sample () - _start) * _x_scale;
                x->second = x->first + _editor->current_page_samples() * _x_scale;
-               
+
                y->first = editor_y_to_summary (_editor->vertical_adjustment.get_value ());
-               y->second = editor_y_to_summary (_editor->vertical_adjustment.get_value () + _editor->visible_canvas_height());
+               y->second = editor_y_to_summary (_editor->vertical_adjustment.get_value () + _editor->visible_canvas_height() - _editor->get_trackview_group()->canvas_origin().y);
        }
 }
 
@@ -617,12 +641,16 @@ EditorSummary::on_motion_notify_event (GdkEventMotion* ev)
                        xr.first += dx;
                } else if (_zoom_position == RIGHT || _zoom_position == RIGHT_TOP || _zoom_position == RIGHT_BOTTOM) {
                        xr.second += dx;
+               } else {
+                       xr.first = -1; /* do not change */
                }
 
                if (_zoom_position == TOP || _zoom_position == LEFT_TOP || _zoom_position == RIGHT_TOP) {
                        yr.first += dy;
                } else if (_zoom_position == BOTTOM || _zoom_position == LEFT_BOTTOM || _zoom_position == RIGHT_BOTTOM) {
                        yr.second += dy;
+               } else {
+                       yr.first = -1; /* do not change y */
                }
 
                set_overlays_dirty ();
@@ -642,7 +670,7 @@ bool
 EditorSummary::on_button_release_event (GdkEventButton*)
 {
        bool const was_suspended = suspending_editor_updates ();
-       
+
        _move_dragging = false;
        _zoom_dragging = false;
        _editor->_dragging_playhead = false;
@@ -651,7 +679,7 @@ EditorSummary::on_button_release_event (GdkEventButton*)
        if (was_suspended && _pending_editor_changed) {
                set_editor (_pending_editor_x, _pending_editor_y);
        }
-               
+
        return true;
 }
 
@@ -669,7 +697,8 @@ EditorSummary::on_scroll_event (GdkEventScroll* ev)
        switch (ev->direction) {
                case GDK_SCROLL_UP:
                        if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollHorizontalModifier)) {
-                               x -= 64;
+                               _editor->scroll_left_half_page ();
+                               return true;
                        } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomHorizontalModifier)) {
                                _editor->temporal_zoom_step (false);
                        } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomVerticalModifier)) {
@@ -683,7 +712,8 @@ EditorSummary::on_scroll_event (GdkEventScroll* ev)
                        break;
                case GDK_SCROLL_DOWN:
                        if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollHorizontalModifier)) {
-                               x += 64;
+                               _editor->scroll_right_half_page ();
+                               return true;
                        } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomHorizontalModifier)) {
                                _editor->temporal_zoom_step (true);
                        } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomVerticalModifier)) {
@@ -701,7 +731,8 @@ EditorSummary::on_scroll_event (GdkEventScroll* ev)
                        } else if (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier)) {
                                x -= 1;
                        } else {
-                               x -= 8;
+                               _editor->scroll_left_half_page ();
+                               return true;
                        }
                        break;
                case GDK_SCROLL_RIGHT:
@@ -710,7 +741,8 @@ EditorSummary::on_scroll_event (GdkEventScroll* ev)
                        } else if (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier)) {
                                x += 1;
                        } else {
-                               x += 8;
+                               _editor->scroll_right_half_page ();
+                               return true;
                        }
                        break;
                default:
@@ -741,7 +773,7 @@ EditorSummary::set_editor (double const x, double const y)
                   as it also means that we won't change these variables if an idle handler
                   is merely pending but not executing.  But c'est la vie.
                */
-               
+
                return;
        }
 
@@ -777,8 +809,12 @@ EditorSummary::set_editor (pair<double,double> const x, pair<double, double> con
                return;
        }
 
-       set_editor_x (x);
-       set_editor_y (y);
+       if (x.first >= 0) {
+               set_editor_x (x);
+       }
+       if (y.first >= 0) {
+               set_editor_y (y);
+       }
 }
 
 /** Set the left of the x range visible in the editor.
@@ -824,12 +860,12 @@ EditorSummary::set_editor_x (pair<double, double> x)
                set_dirty ();
        } else {
                _editor->reset_x_origin (x.first / _x_scale + _start);
-               
+
                double const nx = (
                        ((x.second - x.first) / _x_scale) /
                        _editor->sample_to_pixel (_editor->current_page_samples())
                        );
-               
+
                if (nx != _editor->get_current_zoom ()) {
                        _editor->reset_zoom (nx);
                }
@@ -844,7 +880,7 @@ void
 EditorSummary::set_editor_y (double const y)
 {
        double y1 = summary_y_to_editor (y);
-       double const eh = _editor->visible_canvas_height();
+       double const eh = _editor->visible_canvas_height() - _editor->get_trackview_group()->canvas_origin().y;
        double y2 = y1 + eh;
 
        double const full_editor_height = _editor->_full_canvas_height;
@@ -882,7 +918,7 @@ EditorSummary::set_editor_y (pair<double, double> const y)
                set_dirty ();
                return;
        }
-       
+
        /* Compute current height of tracks between y.first and y.second.  We add up
           the total height into `total_height' and the height of complete tracks into
           `scale height'.
@@ -924,7 +960,7 @@ EditorSummary::set_editor_y (pair<double, double> const y)
        /* Height that we will use for scaling; use the whole editor height unless there are not
           enough tracks to fill it.
        */
-       double const ch = min (total_height, _editor->visible_canvas_height());
+       double const ch = min (total_height, (_editor->visible_canvas_height() - _editor->get_trackview_group()->canvas_origin().y));
 
        /* hence required scale factor of the complete tracks to fit the required y range;
           the amount of space they should take up divided by the amount they currently take up.
@@ -942,7 +978,7 @@ EditorSummary::set_editor_y (pair<double, double> const y)
                }
 
                if (yc.first <= 0 && yc.second >= _track_height) {
-                       (*i)->set_height (max (TimeAxisView::preset_height (HeightSmall), (uint32_t) ((*i)->effective_height() * scale)));
+                       (*i)->set_height (max (TimeAxisView::preset_height (HeightSmall), (uint32_t) ((*i)->effective_height() * scale)), TimeAxisView::TotalHeight);
                }
 
                yc.first -= _track_height;
@@ -1016,24 +1052,22 @@ void
 EditorSummary::routes_added (list<RouteTimeAxisView*> const & r)
 {
        for (list<RouteTimeAxisView*>::const_iterator i = r.begin(); i != r.end(); ++i) {
-               /* Connect to gui_changed() on the route so that we know when their colour has changed */
-               (*i)->route()->gui_changed.connect (*this, invalidator (*this), boost::bind (&EditorSummary::route_gui_changed, this, _1), gui_context ());
+               /* Connect to the relevant signal for the route so that we know when its colour has changed */
+               (*i)->route()->presentation_info().PropertyChanged.connect (*this, invalidator (*this), boost::bind (&EditorSummary::route_gui_changed, this, _1), gui_context ());
                boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> ((*i)->route ());
                if (tr) {
                        tr->PlaylistChanged.connect (*this, invalidator (*this), boost::bind (&EditorSummary::set_background_dirty, this), gui_context ());
                }
        }
 
-       _background_dirty = true;
-       set_dirty ();
+       set_background_dirty ();
 }
 
 void
-EditorSummary::route_gui_changed (string c)
+EditorSummary::route_gui_changed (PBD::PropertyChange const& what_changed)
 {
-       if (c == "color") {
-               _background_dirty = true;
-               set_dirty ();
+       if (what_changed.contains (Properties::color)) {
+               set_background_dirty ();
        }
 }