NOOP, re-indent, remove trailing whitespace, sort includes
[ardour.git] / gtk2_ardour / editor_summary.cc
index c8e794b2efef1d989c2290c7547010f6d6a2f030..10a05943186b3fecab321ccc947f68b114b929ab 100644 (file)
@@ -18,6 +18,9 @@
 */
 
 #include "ardour/session.h"
+
+#include "canvas/debug.h"
+
 #include "time_axis_view.h"
 #include "streamview.h"
 #include "editor_summary.h"
@@ -51,14 +54,25 @@ EditorSummary::EditorSummary (Editor* e)
          _view_rectangle_x (0, 0),
          _view_rectangle_y (0, 0),
          _zoom_dragging (false),
-         _old_follow_playhead (false)
+         _old_follow_playhead (false),
+         _background_dirty (true)
 {
-       Region::RegionPropertyChanged.connect (region_property_connection, invalidator (*this), boost::bind (&CairoWidget::set_dirty, this), gui_context());
-       _editor->playhead_cursor->PositionChanged.connect (position_connection, invalidator (*this), boost::bind (&EditorSummary::playhead_position_changed, this, _1), gui_context());
+       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);
+}
 
-       add_events (Gdk::POINTER_MOTION_MASK);
+/** Handle a size allocation.
+ *  @param alloc GTK allocation.
+ */
+void
+EditorSummary::on_size_allocate (Gtk::Allocation& alloc)
+{
+       Gtk::EventBox::on_size_allocate (alloc);
+       _background_dirty = true;
+       set_dirty ();
 }
 
+
 /** Connect to a session.
  *  @param s Session.
  */
@@ -75,78 +89,32 @@ EditorSummary::set_session (Session* s)
         */
 
        if (_session) {
-               _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());
+               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());
+               _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 (&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));
        }
 }
 
-/** Handle an expose event.
- *  @param event Event from GTK.
- */
-bool
-EditorSummary::on_expose_event (GdkEventExpose* event)
+void
+EditorSummary::render_background_image ()
 {
-       CairoWidget::on_expose_event (event);
-
-       if (_session == 0) {
-               return false;
-       }
-
-       cairo_t* cr = gdk_cairo_create (get_window()->gobj());
-
-       /* 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
-          the visual change.  This prevents a flicker.
-       */
+       int stride;
+       unsigned char *data;
+       stride = cairo_format_stride_for_width (CAIRO_FORMAT_RGB24, get_width ());
+       data = (unsigned char*) malloc (stride * get_height ());
+       _image = cairo_image_surface_create_for_data (data, CAIRO_FORMAT_RGB24, get_width (), get_height (), stride);
 
-       if (_editor->pending_visual_change.idle_handler_id < 0) {
-               get_editor (&_view_rectangle_x, &_view_rectangle_y);
-       }
-
-       cairo_move_to (cr, _view_rectangle_x.first, _view_rectangle_y.first);
-       cairo_line_to (cr, _view_rectangle_x.second, _view_rectangle_y.first);
-       cairo_line_to (cr, _view_rectangle_x.second, _view_rectangle_y.second);
-       cairo_line_to (cr, _view_rectangle_x.first, _view_rectangle_y.second);
-       cairo_line_to (cr, _view_rectangle_x.first, _view_rectangle_y.first);
-       cairo_set_source_rgba (cr, 1, 1, 1, 0.25);
-       cairo_fill_preserve (cr);
-       cairo_set_line_width (cr, 1);
-       cairo_set_source_rgba (cr, 1, 1, 1, 0.5);
-       cairo_stroke (cr);
-
-       /* Playhead */
-
-       cairo_set_line_width (cr, 1);
-       /* XXX: colour should be set from configuration file */
-       cairo_set_source_rgba (cr, 1, 0, 0, 1);
+       cairo_t* cr = cairo_create (_image);
 
-       double const p = playhead_frame_to_position (_editor->playhead_cursor->current_frame);
-       cairo_move_to (cr, p, 0);
-       cairo_line_to (cr, p, get_height());
-       cairo_stroke (cr);
-       _last_playhead = p;
-
-       cairo_destroy (cr);
-
-       return true;
-}
-
-/** Render the required regions to a cairo context.
- *  @param cr Context.
- */
-void
-EditorSummary::render (cairo_t* cr)
-{
-       /* background (really just the dividing lines between tracks */
+       /* background (really just the dividing lines between tracks */
 
        cairo_set_source_rgb (cr, 0, 0, 0);
        cairo_rectangle (cr, 0, 0, get_width(), get_height());
        cairo_fill (cr);
 
-       if (_session == 0) {
-               return;
-       }
-
        /* compute start and end points for the summary */
 
        framecnt_t const session_length = _session->current_end_frame() - _session->current_start_frame ();
@@ -212,15 +180,74 @@ EditorSummary::render (cairo_t* cr)
        cairo_set_line_width (cr, 1);
        cairo_set_source_rgb (cr, 1, 1, 0);
 
-       double const p = (_session->current_start_frame() - _start) * _x_scale;
+       const double p = (_session->current_start_frame() - _start) * _x_scale;
        cairo_move_to (cr, p, 0);
        cairo_line_to (cr, p, get_height());
-       cairo_stroke (cr);
 
        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);
+}
+
+/** Render the required regions to a cairo context.
+ *  @param cr Context.
+ */
+void
+EditorSummary::render (cairo_t* cr, cairo_rectangle_t*)
+{
+
+       if (_session == 0) {
+               return;
+       }
+
+       if (!_image || _background_dirty) {
+               render_background_image ();
+               _background_dirty = false;
+       }
+
+       cairo_push_group (cr);
+       
+       /* Fill with the background image */
+
+       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
+          the visual change.  This prevents a flicker.
+       */
+
+       if (_editor->pending_visual_change.idle_handler_id < 0) {
+               get_editor (&_view_rectangle_x, &_view_rectangle_y);
+       }
+
+       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_fill_preserve (cr);
+       cairo_set_line_width (cr, 1);
+       cairo_set_source_rgba (cr, 1, 1, 1, 0.5);
+       cairo_stroke (cr);
+
+       /* Playhead */
+
+       cairo_set_line_width (cr, 1);
+       /* XXX: colour should be set from configuration file */
+       cairo_set_source_rgba (cr, 1, 0, 0, 1);
+
+       const double ph= playhead_frame_to_position (_editor->playhead_cursor->current_frame());
+       cairo_move_to (cr, ph, 0);
+       cairo_line_to (cr, ph, get_height());
+       cairo_stroke (cr);
+       cairo_pop_group_to_source (cr);
+       cairo_paint (cr);
+       _last_playhead = ph;
+
 }
 
 /** Render a region for the summary.
@@ -249,6 +276,13 @@ EditorSummary::render_region (RegionView* r, cairo_t* cr, double y) const
        cairo_stroke (cr);
 }
 
+void
+EditorSummary::set_background_dirty ()
+{
+       _background_dirty = true;
+       set_dirty ();
+}
+
 /** Set the summary so that just the overlays (viewbox, playhead etc.) will be re-rendered */
 void
 EditorSummary::set_overlays_dirty ()
@@ -304,12 +338,63 @@ EditorSummary::centre_on_click (GdkEventButton* ev)
        set_editor (ex, ey);
 }
 
+bool 
+EditorSummary::on_enter_notify_event (GdkEventCrossing*)
+{
+       grab_focus ();
+       Keyboard::magic_widget_grab_focus ();
+       return false;
+}
+
+bool 
+EditorSummary::on_leave_notify_event (GdkEventCrossing*)
+{
+       /* there are no inferior/child windows, so any leave event means that
+          we're gone.
+       */
+       Keyboard::magic_widget_drop_focus ();
+       return false;
+}
+
+bool
+EditorSummary::on_key_press_event (GdkEventKey* key)
+{
+       gint x, y;
+       GtkAccelKey set_playhead_accel;
+       if (gtk_accel_map_lookup_entry ("<Actions>/Editor/set-playhead", &set_playhead_accel)) {
+               if (key->keyval == set_playhead_accel.accel_key && (int) key->state == set_playhead_accel.accel_mods) {
+                       if (_session) {
+                               get_pointer (x, y);
+                               _session->request_locate (_start + (framepos_t) x / _x_scale, _session->transport_rolling());
+                               return true;
+                       }
+               }
+       }
+
+       return false;
+}
+
+bool
+EditorSummary::on_key_release_event (GdkEventKey* key)
+{
+
+       GtkAccelKey set_playhead_accel;
+       if (gtk_accel_map_lookup_entry ("<Actions>/Editor/set-playhead", &set_playhead_accel)) {
+               if (key->keyval == set_playhead_accel.accel_key && (int) key->state == set_playhead_accel.accel_mods) {
+                       return true;
+               }
+       }
+       return false;
+}
+
 /** Handle a button press.
  *  @param ev GTK event.
  */
 bool
 EditorSummary::on_button_press_event (GdkEventButton* ev)
 {
+       _old_follow_playhead = _editor->follow_playhead ();
+       
        if (ev->button == 1) {
 
                pair<double, double> xr;
@@ -331,7 +416,6 @@ EditorSummary::on_button_press_event (GdkEventButton* ev)
                        _zoom_position = get_position (ev->x, ev->y);
                        _zoom_dragging = true;
                        _editor->_dragging_playhead = true;
-                       _old_follow_playhead = _editor->follow_playhead ();
                        _editor->set_follow_playhead (false);
 
                        if (suspending_editor_updates ()) {
@@ -361,8 +445,9 @@ EditorSummary::on_button_press_event (GdkEventButton* ev)
                        _move_dragging = true;
                        _moved = false;
                        _editor->_dragging_playhead = true;
-                       _old_follow_playhead = _editor->follow_playhead ();
                        _editor->set_follow_playhead (false);
+
+                       ArdourCanvas::checkpoint ("sum", "------------------ summary move drag starts.\n");
                }
        }
 
@@ -398,11 +483,11 @@ EditorSummary::get_editor (pair<double, double>* x, pair<double, double>* y) con
 
                /* Otherwise query the editor for its actual position */
 
-               x->first = (_editor->leftmost_position () - _start) * _x_scale;
-               x->second = x->first + _editor->current_page_frames() * _x_scale;
+               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->canvas_height() - _editor->get_canvas_timebars_vsize());
+               y->second = editor_y_to_summary (_editor->vertical_adjustment.get_value () + _editor->visible_canvas_height());
        }
 }
 
@@ -529,7 +614,7 @@ EditorSummary::on_motion_notify_event (GdkEventMotion* ev)
                }
 
                set_editor (x, y);
-               set_cursor (_start_position);
+               // set_cursor (_start_position);
 
        } else if (_zoom_dragging) {
 
@@ -589,45 +674,55 @@ EditorSummary::on_scroll_event (GdkEventScroll* ev)
        double x = xr.first;
        double y = yr.first;
 
-       double amount = 8;
-
-       if (Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier)) {
-               amount = 64;
-       } else if (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier)) {
-               amount = 1;
-       }
-
-       if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
-
-               /* secondary-wheel == left-right scrolling */
-
-               if (ev->direction == GDK_SCROLL_UP) {
-                       x -= amount;
-               } else if (ev->direction == GDK_SCROLL_DOWN) {
-                       x += amount;
-               }
-
-       } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
-
-               /* primary-wheel == zoom */
-               
-               if (ev->direction == GDK_SCROLL_UP) {
-                       _editor->temporal_zoom_step (false);
-               } else {
-                       _editor->temporal_zoom_step (true);
-               }
-
-       } else {
-
-               if (ev->direction == GDK_SCROLL_DOWN) {
-                       y += amount;
-               } else if (ev->direction == GDK_SCROLL_UP) {
-                       y -= amount;
-               } else if (ev->direction == GDK_SCROLL_LEFT) {
-                       x -= amount;
-               } else if (ev->direction == GDK_SCROLL_RIGHT) {
-                       x += amount;
-               }
+       switch (ev->direction) {
+               case GDK_SCROLL_UP:
+                       if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollHorizontalModifier)) {
+                               x -= 64;
+                       } 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)) {
+                               yr.first  += 4;
+                               yr.second -= 4;
+                               set_editor (xr, yr);
+                               return true;
+                       } else {
+                               y -= 8;
+                       }
+                       break;
+               case GDK_SCROLL_DOWN:
+                       if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollHorizontalModifier)) {
+                               x += 64;
+                       } 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)) {
+                               yr.first  -= 4;
+                               yr.second += 4;
+                               set_editor (xr, yr);
+                               return true;
+                       } else {
+                               y += 8;
+                       }
+                       break;
+               case GDK_SCROLL_LEFT:
+                       if (Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier)) {
+                               x -= 64;
+                       } else if (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier)) {
+                               x -= 1;
+                       } else {
+                               x -= 8;
+                       }
+                       break;
+               case GDK_SCROLL_RIGHT:
+                       if (Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier)) {
+                               x += 64;
+                       } else if (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier)) {
+                               x += 1;
+                       } else {
+                               x += 8;
+                       }
+                       break;
+               default:
+                       break;
        }
 
        set_editor (x, y);
@@ -642,7 +737,7 @@ EditorSummary::on_scroll_event (GdkEventScroll* ev)
 void
 EditorSummary::set_editor (double const x, double const y)
 {
-       if (_editor->pending_visual_change.idle_handler_id >= 0) {
+       if (_editor->pending_visual_change.idle_handler_id >= 0 && _editor->pending_visual_change.being_handled == true) {
 
                /* As a side-effect, the Editor's visual change idle handler processes
                   pending GTK events.  Hence this motion notify handler can be called
@@ -654,7 +749,7 @@ 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;
        }
 
@@ -740,7 +835,7 @@ EditorSummary::set_editor_x (pair<double, double> x)
                
                double const nx = (
                        ((x.second - x.first) / _x_scale) /
-                       _editor->frame_to_unit (_editor->current_page_frames())
+                       _editor->sample_to_pixel (_editor->current_page_samples())
                        );
                
                if (nx != _editor->get_current_zoom ()) {
@@ -757,10 +852,10 @@ void
 EditorSummary::set_editor_y (double const y)
 {
        double y1 = summary_y_to_editor (y);
-       double const eh = _editor->canvas_height() - _editor->get_canvas_timebars_vsize ();
+       double const eh = _editor->visible_canvas_height();
        double y2 = y1 + eh;
 
-       double const full_editor_height = _editor->full_canvas_height - _editor->get_canvas_timebars_vsize();
+       double const full_editor_height = _editor->_full_canvas_height;
 
        if (y2 > full_editor_height) {
                y1 -= y2 - full_editor_height;
@@ -837,7 +932,7 @@ 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->canvas_height() - _editor->get_canvas_timebars_vsize());
+       double const ch = min (total_height, _editor->visible_canvas_height());
 
        /* 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.
@@ -873,9 +968,9 @@ EditorSummary::playhead_position_changed (framepos_t p)
        int const o = int (_last_playhead);
        int const n = int (playhead_frame_to_position (p));
        if (_session && o != n) {
-               int a = min (o, n);
+               int a = max(2, min (o, n));
                int b = max (o, n);
-               set_overlays_dirty (a - 1, 0, b + 1, get_height ());
+               set_overlays_dirty (a - 2, 0, b + 2, get_height ());
        }
 }
 
@@ -933,10 +1028,11 @@ EditorSummary::routes_added (list<RouteTimeAxisView*> const & r)
                (*i)->route()->gui_changed.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 (&CairoWidget::set_dirty, this), gui_context ());
+                       tr->PlaylistChanged.connect (*this, invalidator (*this), boost::bind (&EditorSummary::set_background_dirty, this), gui_context ());
                }
        }
 
+       _background_dirty = true;
        set_dirty ();
 }
 
@@ -944,6 +1040,7 @@ void
 EditorSummary::route_gui_changed (string c)
 {
        if (c == "color") {
+               _background_dirty = true;
                set_dirty ();
        }
 }
@@ -953,3 +1050,9 @@ EditorSummary::playhead_frame_to_position (framepos_t t) const
 {
        return (t - _start) * _x_scale;
 }
+
+framepos_t
+EditorSummary::position_to_playhead_frame_to_position (double pos) const
+{
+       return _start  + (pos * _x_scale);
+}