MIDI metering.
[ardour.git] / gtk2_ardour / editor_canvas.cc
index 8f6203c40da9b7ea5fd6f1195c1a57d7ee79657e..c3a5cb6e9b0a1d773159b390f0bdbc21b2eb3fe7 100644 (file)
@@ -15,7 +15,6 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id$
 */
 
 #include <libgnomecanvasmm/init.h>
 #include "waveview.h"
 #include "simplerect.h"
 #include "simpleline.h"
-#include "imageframe.h"
 #include "waveview_p.h"
 #include "simplerect_p.h"
 #include "simpleline_p.h"
-#include "imageframe_p.h"
 #include "canvas_impl.h"
 #include "editing.h"
 #include "rgb_macros.h"
 #include "time_axis_view.h"
 #include "audio_time_axis.h"
 
+#ifdef WITH_CMT
+#include "imageframe.h"
+#include "imageframe_p.h"
+#endif
+
 #include "i18n.h"
 
 using namespace std;
@@ -62,7 +64,10 @@ extern "C"
 GType gnome_canvas_simpleline_get_type(void);
 GType gnome_canvas_simplerect_get_type(void);
 GType gnome_canvas_waveview_get_type(void);
+
+#ifdef WITH_CMT
 GType gnome_canvas_imageframe_get_type(void);
+#endif
 
 }
 
@@ -73,14 +78,20 @@ static void ardour_canvas_type_init()
        Glib::wrap_register(gnome_canvas_simpleline_get_type(), &Gnome::Canvas::SimpleLine_Class::wrap_new);
        Glib::wrap_register(gnome_canvas_simplerect_get_type(), &Gnome::Canvas::SimpleRect_Class::wrap_new);
        Glib::wrap_register(gnome_canvas_waveview_get_type(), &Gnome::Canvas::WaveView_Class::wrap_new);
+
+#ifdef WITH_CMT
        Glib::wrap_register(gnome_canvas_imageframe_get_type(), &Gnome::Canvas::ImageFrame_Class::wrap_new);
+#endif
        
        // Register the gtkmm gtypes:
 
        (void) Gnome::Canvas::WaveView::get_type();
        (void) Gnome::Canvas::SimpleLine::get_type();
        (void) Gnome::Canvas::SimpleRect::get_type();
+       
+#ifdef WITH_CMT
        (void) Gnome::Canvas::ImageFrame::get_type();
+#endif
 } 
 
 void
@@ -94,7 +105,13 @@ Editor::initialize_canvas ()
        track_canvas.set_center_scroll_region (false);
        track_canvas.set_dither         (Gdk::RGB_DITHER_NONE);
 
-       track_canvas.signal_event().connect (bind (mem_fun (*this, &Editor::track_canvas_event), (ArdourCanvas::Item*) 0));
+       /* need to handle 4 specific types of events as catch-alls */
+
+       track_canvas.signal_scroll_event().connect (mem_fun (*this, &Editor::track_canvas_scroll_event));
+       track_canvas.signal_motion_notify_event().connect (mem_fun (*this, &Editor::track_canvas_motion_notify_event));
+       track_canvas.signal_button_press_event().connect (mem_fun (*this, &Editor::track_canvas_button_press_event));
+       track_canvas.signal_button_release_event().connect (mem_fun (*this, &Editor::track_canvas_button_release_event));
+
        track_canvas.set_name ("EditorMainCanvas");
        track_canvas.add_events (Gdk::POINTER_MOTION_HINT_MASK|Gdk::SCROLL_MASK);
        track_canvas.signal_leave_notify_event().connect (mem_fun(*this, &Editor::left_track_canvas));
@@ -142,33 +159,43 @@ Editor::initialize_canvas ()
        range_marker_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height * 3.0);
        transport_marker_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height * 4.0);
        
-       tempo_bar = new ArdourCanvas::SimpleRect (*tempo_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
+       tempo_bar = new ArdourCanvas::SimpleRect (*tempo_group, 0.0, 0.0, max_canvas_coordinate, timebar_height-1.0);
        tempo_bar->property_fill_color_rgba() = color_map[cTempoBar];
-       tempo_bar->property_outline_pixels() = 0;
+       tempo_bar->property_outline_what() = (0x1 | 0x8);
+       tempo_bar->property_outline_pixels() = 1;
+       tempo_bar->property_outline_color_rgba() = color_map[cTempoSeparator];
        
-       meter_bar = new ArdourCanvas::SimpleRect (*meter_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
+       meter_bar = new ArdourCanvas::SimpleRect (*meter_group, 0.0, 0.0, max_canvas_coordinate, timebar_height-1.0);
        meter_bar->property_fill_color_rgba() = color_map[cMeterBar];
-       meter_bar->property_outline_pixels() = 0;
+       meter_bar->property_outline_what() = (0x1 | 0x8);
+       meter_bar->property_outline_pixels() = 1;
+       meter_bar->property_outline_color_rgba() = color_map[cMeterSeparator];
        
-       marker_bar = new ArdourCanvas::SimpleRect (*marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
+       marker_bar = new ArdourCanvas::SimpleRect (*marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height-1.0);
        marker_bar->property_fill_color_rgba() = color_map[cMarkerBar];
-       marker_bar->property_outline_pixels() = 0;
+       marker_bar->property_outline_what() = (0x1 | 0x8);
+       marker_bar->property_outline_pixels() = 1;
+       marker_bar->property_outline_color_rgba() = color_map[cMarkerSeparator];
        
-       range_marker_bar = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
+       range_marker_bar = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height-1.0);
        range_marker_bar->property_fill_color_rgba() = color_map[cRangeMarkerBar];
-       range_marker_bar->property_outline_pixels() = 0;
+       range_marker_bar->property_outline_what() = (0x1 | 0x8);
+       range_marker_bar->property_outline_pixels() = 1;
+       range_marker_bar->property_outline_color_rgba() = color_map[cRangeMarkerSeparator];
        
-       transport_marker_bar = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
+       transport_marker_bar = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height-1.0);
        transport_marker_bar->property_fill_color_rgba() = color_map[cTransportMarkerBar];
-       transport_marker_bar->property_outline_pixels() = 0;
-       
-       range_bar_drag_rect = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
+       transport_marker_bar->property_outline_what() = (0x1 | 0x8);
+       transport_marker_bar->property_outline_pixels() = 1;
+       transport_marker_bar->property_outline_color_rgba() = color_map[cTransportMarkerSeparator];
+
+       range_bar_drag_rect = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height-1.0);
        range_bar_drag_rect->property_fill_color_rgba() = color_map[cRangeDragBarRectFill];
        range_bar_drag_rect->property_outline_color_rgba() = color_map[cRangeDragBarRect];
        range_bar_drag_rect->property_outline_pixels() = 0;
        range_bar_drag_rect->hide ();
        
-       transport_bar_drag_rect = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
+       transport_bar_drag_rect = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height-1.0);
        transport_bar_drag_rect ->property_fill_color_rgba() = color_map[cTransportDragRectFill];
        transport_bar_drag_rect->property_outline_color_rgba() = color_map[cTransportDragRect];
        transport_bar_drag_rect->property_outline_pixels() = 0;
@@ -240,23 +267,6 @@ Editor::initialize_canvas ()
        range_marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_range_marker_bar_event), range_marker_bar));
        transport_marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_transport_marker_bar_event), transport_marker_bar));
        
-       /* separator lines */
-       
-       tempo_line = new ArdourCanvas::SimpleLine (*tempo_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
-       tempo_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
-
-       meter_line = new ArdourCanvas::SimpleLine (*meter_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
-       meter_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
-
-       marker_line = new ArdourCanvas::SimpleLine (*marker_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
-       marker_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
-       
-       range_marker_line = new ArdourCanvas::SimpleLine (*range_marker_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
-       range_marker_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
-
-       transport_marker_line = new ArdourCanvas::SimpleLine (*transport_marker_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
-       transport_marker_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
-
        ZoomChanged.connect (bind (mem_fun(*this, &Editor::update_loop_range_view), false));
        ZoomChanged.connect (bind (mem_fun(*this, &Editor::update_punch_range_view), false));
        
@@ -264,8 +274,20 @@ Editor::initialize_canvas ()
        double time_width = FLT_MAX/frames_per_unit;
        time_canvas.set_scroll_region(0.0, 0.0, time_width, time_height);
        
-       edit_cursor = new Cursor (*this, "blue", &Editor::canvas_edit_cursor_event);
-       playhead_cursor = new Cursor (*this, "red", &Editor::canvas_playhead_cursor_event);
+       if (!color_map[cEditCursor]) {
+                warning << _("edit cursor color not defined, check your ardour.colors file!") << endmsg;
+               color_map[cEditCursor] = RGBA_TO_UINT (30,30,30,255);
+       }
+
+       if (!color_map[cPlayHead]) {
+               warning << _("playhead color not defined, check your ardour.colors file!") << endmsg;
+               color_map[cPlayHead] = RGBA_TO_UINT (0,0,0,255);
+       }
+
+       edit_cursor = new Cursor (*this, &Editor::canvas_edit_cursor_event);
+       edit_cursor->canvas_item.property_fill_color_rgba() = color_map[cEditCursor];
+       playhead_cursor = new Cursor (*this, &Editor::canvas_playhead_cursor_event);
+       playhead_cursor->canvas_item.property_fill_color_rgba() = color_map[cPlayHead];
 
        initial_ruler_update_required = true;
        track_canvas.signal_size_allocate().connect (mem_fun(*this, &Editor::track_canvas_allocate));
@@ -280,7 +302,7 @@ Editor::track_canvas_allocate (Gtk::Allocation alloc)
        if (!initial_ruler_update_required) {
                if (!canvas_idle_queued) {
                        /* call this first so that we do stuff before any pending redraw */
-                       Glib::signal_idle().connect (mem_fun (*this, &Editor::track_canvas_idle), false);
+                       Glib::signal_idle().connect (mem_fun (*this, &Editor::track_canvas_size_allocated), false);
                        canvas_idle_queued = true;
                }
                return;
@@ -288,13 +310,12 @@ Editor::track_canvas_allocate (Gtk::Allocation alloc)
 
        initial_ruler_update_required = false;
        
-       track_canvas_idle ();
+       track_canvas_size_allocated ();
 }
 
 bool
-Editor::track_canvas_idle ()
+Editor::track_canvas_size_allocated ()
 {
-
        if (canvas_idle_queued) {
                canvas_idle_queued = false;
        }
@@ -302,6 +323,21 @@ Editor::track_canvas_idle ()
        canvas_width = canvas_allocation.get_width();
        canvas_height = canvas_allocation.get_height();
 
+       full_canvas_height = canvas_height;
+
+       if (session) {
+               TrackViewList::iterator i;
+               double height = 0;
+
+               for (i = track_views.begin(); i != track_views.end(); ++i) {
+                       if ((*i)->control_parent) {
+                               height += (*i)->effective_height;
+                       }
+               }
+               
+               full_canvas_height = height;
+       }
+
        zoom_range_clock.set ((nframes_t) floor ((canvas_width * frames_per_unit)));
        edit_cursor->set_position (edit_cursor->current_frame);
        playhead_cursor->set_position (playhead_cursor->current_frame);
@@ -313,7 +349,7 @@ Editor::track_canvas_idle ()
        if (playhead_cursor) playhead_cursor->set_length (canvas_height);
 
        if (marker_drag_line) {
-               marker_drag_line_points.back().set_x(canvas_height);
+               marker_drag_line_points.back().set_y(canvas_height);
                marker_drag_line->property_points() = marker_drag_line_points;
        }
 
@@ -343,7 +379,7 @@ Editor::track_canvas_idle ()
        }
                
        update_fixed_rulers();
-       tempo_map_changed (Change (0));
+       redisplay_tempo (true);
        
        Resized (); /* EMIT_SIGNAL */
 
@@ -361,7 +397,6 @@ Editor::reset_scrolling_region (Gtk::Allocation* alloc)
                TimeAxisView *tv = (*i)[route_display_columns.tv];
                if (tv != 0 && !tv->hidden()) {
                        pos += tv->effective_height;
-                       pos += track_spacing;
                }
        }
 
@@ -386,7 +421,6 @@ Editor::controls_layout_size_request (Requisition* req)
                TimeAxisView *tv = (*i)[route_display_columns.tv];
                if (tv != 0) {
                        pos += tv->effective_height;
-                       pos += track_spacing;
                }
        }
 
@@ -434,8 +468,6 @@ Editor::track_canvas_drag_data_received (const RefPtr<Gdk::DragContext>& context
                                         const SelectionData& data,
                                         guint info, guint time)
 {
-       cerr << "dropping, target = " << data.get_target() << endl;
-
        if (data.get_target() == "regions") {
                drop_regions (context, x, y, data, info, time);
        } else {
@@ -450,7 +482,7 @@ Editor::drop_paths (const RefPtr<Gdk::DragContext>& context,
                    guint info, guint time)
 {
        TimeAxisView* tvp;
-       AudioTimeAxisView* tv;
+       RouteTimeAxisView* tv;
        double cy;
        vector<ustring> paths;
        string spath;
@@ -486,7 +518,7 @@ Editor::drop_paths (const RefPtr<Gdk::DragContext>& context,
                nframes_t pos = 0;
                do_embed (paths, false, ImportAsTrack, 0, pos, false);
                
-       } else if ((tv = dynamic_cast<AudioTimeAxisView*>(tvp)) != 0) {
+       } else if ((tv = dynamic_cast<RouteTimeAxisView*>(tvp)) != 0) {
 
                /* check that its an audio track, not a bus */
                
@@ -511,11 +543,8 @@ Editor::drop_regions (const RefPtr<Gdk::DragContext>& context,
        for (uint32_t i = 0; i < sr->cnt; ++i) {
 
                boost::shared_ptr<Region> r = sr->data[i];
-               boost::shared_ptr<AudioRegion> ar;
-
-               if ((ar = boost::dynamic_pointer_cast<AudioRegion>(r)) != 0) {
-                       insert_region_list_drag (ar, x, y);
-               }
+               
+               insert_region_list_drag (r, x, y);
        }
 
        context->drag_finish (true, false, time);
@@ -620,7 +649,7 @@ Editor::autoscroll_canvas ()
        } 
 
        if (new_frame != leftmost_frame) {
-               reposition_x_origin (new_frame);
+               reset_x_origin (new_frame);
        }
 
        if (autoscroll_cnt == 50) { /* 0.5 seconds */
@@ -683,3 +712,25 @@ Editor::left_track_canvas (GdkEventCrossing *ev)
 }
 
 
+void 
+Editor::canvas_horizontally_scrolled ()
+{
+       /* this is the core function that controls horizontal scrolling of the canvas. it is called
+          whenever the horizontal_adjustment emits its "value_changed" signal. it typically executes in an
+          idle handler, which is important because tempo_map_changed() should issue redraws immediately
+          and not defer them to an idle handler.
+       */
+
+       leftmost_frame = (nframes_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
+       nframes_t rightmost_frame = leftmost_frame + current_page_frames ();
+       
+       if (rightmost_frame > last_canvas_frame) {
+               last_canvas_frame = rightmost_frame;
+               reset_scrolling_region ();
+       }
+       
+       update_fixed_rulers ();
+
+       redisplay_tempo (!_dragging_hscrollbar);
+}
+