2 Copyright (C) 2005 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include <libgnomecanvasmm/init.h>
22 #include <jack/types.h>
23 #include <gtkmm2ext/utils.h>
25 #include <ardour/audioregion.h>
27 #include "ardour_ui.h"
30 #include "simplerect.h"
31 #include "simpleline.h"
32 #include "imageframe.h"
33 #include "waveview_p.h"
34 #include "simplerect_p.h"
35 #include "simpleline_p.h"
36 #include "imageframe_p.h"
37 #include "canvas_impl.h"
39 #include "rgb_macros.h"
41 #include "time_axis_view.h"
42 #include "audio_time_axis.h"
48 using namespace ARDOUR;
52 using namespace Gtkmm2ext;
53 using namespace Editing;
55 /* XXX this is a hack. it ought to be the maximum value of an nframes_t */
57 const double max_canvas_coordinate = (double) JACK_MAX_FRAMES;
62 GType gnome_canvas_simpleline_get_type(void);
63 GType gnome_canvas_simplerect_get_type(void);
64 GType gnome_canvas_waveview_get_type(void);
65 GType gnome_canvas_imageframe_get_type(void);
69 static void ardour_canvas_type_init()
71 // Map gtypes to gtkmm wrapper-creation functions:
73 Glib::wrap_register(gnome_canvas_simpleline_get_type(), &Gnome::Canvas::SimpleLine_Class::wrap_new);
74 Glib::wrap_register(gnome_canvas_simplerect_get_type(), &Gnome::Canvas::SimpleRect_Class::wrap_new);
75 Glib::wrap_register(gnome_canvas_waveview_get_type(), &Gnome::Canvas::WaveView_Class::wrap_new);
76 Glib::wrap_register(gnome_canvas_imageframe_get_type(), &Gnome::Canvas::ImageFrame_Class::wrap_new);
78 // Register the gtkmm gtypes:
80 (void) Gnome::Canvas::WaveView::get_type();
81 (void) Gnome::Canvas::SimpleLine::get_type();
82 (void) Gnome::Canvas::SimpleRect::get_type();
83 (void) Gnome::Canvas::ImageFrame::get_type();
87 Editor::initialize_canvas ()
89 ArdourCanvas::init ();
90 ardour_canvas_type_init ();
92 /* don't try to center the canvas */
94 track_canvas.set_center_scroll_region (false);
95 track_canvas.set_dither (Gdk::RGB_DITHER_NONE);
97 track_canvas.signal_event().connect (bind (mem_fun (*this, &Editor::track_canvas_event), (ArdourCanvas::Item*) 0));
98 track_canvas.set_name ("EditorMainCanvas");
99 track_canvas.add_events (Gdk::POINTER_MOTION_HINT_MASK|Gdk::SCROLL_MASK);
100 track_canvas.signal_leave_notify_event().connect (mem_fun(*this, &Editor::left_track_canvas));
101 track_canvas.set_flags (CAN_FOCUS);
103 /* set up drag-n-drop */
105 vector<TargetEntry> target_table;
107 // Drag-N-Drop from the region list can generate this target
108 target_table.push_back (TargetEntry ("regions"));
110 target_table.push_back (TargetEntry ("text/plain"));
111 target_table.push_back (TargetEntry ("text/uri-list"));
112 target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
114 track_canvas.drag_dest_set (target_table);
115 track_canvas.signal_drag_data_received().connect (mem_fun(*this, &Editor::track_canvas_drag_data_received));
117 /* stuff for the verbose canvas cursor */
119 Pango::FontDescription font = get_font_for_style (N_("VerboseCanvasCursor"));
121 verbose_canvas_cursor = new ArdourCanvas::Text (*track_canvas.root());
122 verbose_canvas_cursor->property_font_desc() = font;
123 verbose_canvas_cursor->property_anchor() = ANCHOR_NW;
124 verbose_canvas_cursor->property_fill_color_rgba() = color_map[cVerboseCanvasCursor];
126 verbose_cursor_visible = false;
128 /* a group to hold time (measure) lines */
130 time_line_group = new ArdourCanvas::Group (*track_canvas.root(), 0.0, 0.0);
131 cursor_group = new ArdourCanvas::Group (*track_canvas.root(), 0.0, 0.0);
133 time_canvas.set_name ("EditorTimeCanvas");
134 time_canvas.add_events (Gdk::POINTER_MOTION_HINT_MASK);
135 time_canvas.set_flags (CAN_FOCUS);
136 time_canvas.set_center_scroll_region (false);
137 time_canvas.set_dither (Gdk::RGB_DITHER_NONE);
139 meter_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, 0.0);
140 tempo_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height);
141 marker_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height * 2.0);
142 range_marker_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height * 3.0);
143 transport_marker_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height * 4.0);
145 tempo_bar = new ArdourCanvas::SimpleRect (*tempo_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
146 tempo_bar->property_fill_color_rgba() = color_map[cTempoBar];
147 tempo_bar->property_outline_pixels() = 0;
149 meter_bar = new ArdourCanvas::SimpleRect (*meter_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
150 meter_bar->property_fill_color_rgba() = color_map[cMeterBar];
151 meter_bar->property_outline_pixels() = 0;
153 marker_bar = new ArdourCanvas::SimpleRect (*marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
154 marker_bar->property_fill_color_rgba() = color_map[cMarkerBar];
155 marker_bar->property_outline_pixels() = 0;
157 range_marker_bar = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
158 range_marker_bar->property_fill_color_rgba() = color_map[cRangeMarkerBar];
159 range_marker_bar->property_outline_pixels() = 0;
161 transport_marker_bar = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
162 transport_marker_bar->property_fill_color_rgba() = color_map[cTransportMarkerBar];
163 transport_marker_bar->property_outline_pixels() = 0;
165 range_bar_drag_rect = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
166 range_bar_drag_rect->property_fill_color_rgba() = color_map[cRangeDragBarRectFill];
167 range_bar_drag_rect->property_outline_color_rgba() = color_map[cRangeDragBarRect];
168 range_bar_drag_rect->property_outline_pixels() = 0;
169 range_bar_drag_rect->hide ();
171 transport_bar_drag_rect = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
172 transport_bar_drag_rect ->property_fill_color_rgba() = color_map[cTransportDragRectFill];
173 transport_bar_drag_rect->property_outline_color_rgba() = color_map[cTransportDragRect];
174 transport_bar_drag_rect->property_outline_pixels() = 0;
175 transport_bar_drag_rect->hide ();
177 marker_drag_line_points.push_back(Gnome::Art::Point(0.0, 0.0));
178 marker_drag_line_points.push_back(Gnome::Art::Point(0.0, 0.0));
180 marker_drag_line = new ArdourCanvas::Line (*track_canvas.root());
181 marker_drag_line->property_width_pixels() = 1;
182 marker_drag_line->property_fill_color_rgba() = color_map[cMarkerDragLine];
183 marker_drag_line->property_points() = marker_drag_line_points;
184 marker_drag_line->hide();
186 range_marker_drag_rect = new ArdourCanvas::SimpleRect (*track_canvas.root(), 0.0, 0.0, 0.0, 0.0);
187 range_marker_drag_rect->property_fill_color_rgba() = color_map[cRangeDragRectFill];
188 range_marker_drag_rect->property_outline_color_rgba() = color_map[cRangeDragRect];
189 range_marker_drag_rect->hide ();
191 transport_loop_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, 0.0);
192 transport_loop_range_rect->property_fill_color_rgba() = color_map[cTransportLoopRectFill];
193 transport_loop_range_rect->property_outline_color_rgba() = color_map[cTransportLoopRect];
194 transport_loop_range_rect->property_outline_pixels() = 1;
195 transport_loop_range_rect->hide();
197 transport_punch_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, 0.0);
198 transport_punch_range_rect->property_fill_color_rgba() = color_map[cTransportPunchRectFill];
199 transport_punch_range_rect->property_outline_color_rgba() = color_map[cTransportPunchRect];
200 transport_punch_range_rect->property_outline_pixels() = 0;
201 transport_punch_range_rect->hide();
203 transport_loop_range_rect->lower_to_bottom (); // loop on the bottom
205 transport_punchin_line = new ArdourCanvas::SimpleLine (*time_line_group);
206 transport_punchin_line->property_x1() = 0.0;
207 transport_punchin_line->property_y1() = 0.0;
208 transport_punchin_line->property_x2() = 0.0;
209 transport_punchin_line->property_y2() = 0.0;
210 transport_punchin_line->property_color_rgba() = color_map[cPunchInLine];
211 transport_punchin_line->hide ();
213 transport_punchout_line = new ArdourCanvas::SimpleLine (*time_line_group);
214 transport_punchout_line->property_x1() = 0.0;
215 transport_punchout_line->property_y1() = 0.0;
216 transport_punchout_line->property_x2() = 0.0;
217 transport_punchout_line->property_y2() = 0.0;
218 transport_punchout_line->property_color_rgba() = color_map[cPunchOutLine];
219 transport_punchout_line->hide();
221 // used to show zoom mode active zooming
222 zoom_rect = new ArdourCanvas::SimpleRect (*track_canvas.root(), 0.0, 0.0, 0.0, 0.0);
223 zoom_rect->property_fill_color_rgba() = color_map[cZoomRectFill];
224 zoom_rect->property_outline_color_rgba() = color_map[cZoomRect];
225 zoom_rect->property_outline_pixels() = 1;
228 zoom_rect->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_zoom_rect_event), (ArdourCanvas::Item*) 0));
230 // used as rubberband rect
231 rubberband_rect = new ArdourCanvas::SimpleRect (*track_canvas.root(), 0.0, 0.0, 0.0, 0.0);
232 rubberband_rect->property_outline_color_rgba() = color_map[cRubberBandRect];
233 rubberband_rect->property_fill_color_rgba() = (guint32) color_map[cRubberBandRectFill];
234 rubberband_rect->property_outline_pixels() = 1;
235 rubberband_rect->hide();
237 tempo_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_tempo_bar_event), tempo_bar));
238 meter_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_meter_bar_event), meter_bar));
239 marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_marker_bar_event), marker_bar));
240 range_marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_range_marker_bar_event), range_marker_bar));
241 transport_marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_transport_marker_bar_event), transport_marker_bar));
243 /* separator lines */
245 tempo_line = new ArdourCanvas::SimpleLine (*tempo_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
246 tempo_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
248 meter_line = new ArdourCanvas::SimpleLine (*meter_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
249 meter_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
251 marker_line = new ArdourCanvas::SimpleLine (*marker_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
252 marker_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
254 range_marker_line = new ArdourCanvas::SimpleLine (*range_marker_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
255 range_marker_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
257 transport_marker_line = new ArdourCanvas::SimpleLine (*transport_marker_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
258 transport_marker_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
260 ZoomChanged.connect (bind (mem_fun(*this, &Editor::update_loop_range_view), false));
261 ZoomChanged.connect (bind (mem_fun(*this, &Editor::update_punch_range_view), false));
263 double time_height = timebar_height * 5;
264 double time_width = FLT_MAX/frames_per_unit;
265 time_canvas.set_scroll_region(0.0, 0.0, time_width, time_height);
267 edit_cursor = new Cursor (*this, "blue", &Editor::canvas_edit_cursor_event);
268 playhead_cursor = new Cursor (*this, "red", &Editor::canvas_playhead_cursor_event);
270 initial_ruler_update_required = true;
271 track_canvas.signal_size_allocate().connect (mem_fun(*this, &Editor::track_canvas_allocate));
276 Editor::track_canvas_allocate (Gtk::Allocation alloc)
279 canvas_width = alloc.get_width();
280 canvas_height = alloc.get_height();
282 zoom_range_clock.set ((nframes_t) floor ((canvas_width * frames_per_unit)));
283 edit_cursor->set_position (edit_cursor->current_frame);
284 playhead_cursor->set_position (playhead_cursor->current_frame);
286 reset_hscrollbar_stepping ();
287 reset_scrolling_region ();
289 if (edit_cursor) edit_cursor->set_length (canvas_height);
290 if (playhead_cursor) playhead_cursor->set_length (canvas_height);
292 if (marker_drag_line) {
293 marker_drag_line_points.back().set_x(canvas_height);
294 marker_drag_line->property_points() = marker_drag_line_points;
297 if (range_marker_drag_rect) {
298 range_marker_drag_rect->property_y1() = 0.0;
299 range_marker_drag_rect->property_y2() = canvas_height;
302 if (transport_loop_range_rect) {
303 transport_loop_range_rect->property_y1() = 0.0;
304 transport_loop_range_rect->property_y2() = canvas_height;
307 if (transport_punch_range_rect) {
308 transport_punch_range_rect->property_y1() = 0.0;
309 transport_punch_range_rect->property_y2() = canvas_height;
312 if (transport_punchin_line) {
313 transport_punchin_line->property_y1() = 0.0;
314 transport_punchin_line->property_y2() = canvas_height;
317 if (transport_punchout_line) {
318 transport_punchout_line->property_y1() = 0.0;
319 transport_punchout_line->property_y2() = canvas_height;
322 if (is_visible() && initial_ruler_update_required) {
324 this is really dumb, but signal_size_allocate() gets emitted intermittently
325 depending on whether the canvas contents are visible or not.
326 we only want to do this once
328 update_fixed_rulers();
329 tempo_map_changed (Change (0));
330 initial_ruler_update_required = false;
333 Resized (); /* EMIT_SIGNAL */
337 Editor::reset_scrolling_region (Gtk::Allocation* alloc)
339 TreeModel::Children rows = route_display_model->children();
340 TreeModel::Children::iterator i;
343 for (pos = 0, i = rows.begin(); i != rows.end(); ++i) {
344 TimeAxisView *tv = (*i)[route_display_columns.tv];
345 if (tv != 0 && !tv->hidden()) {
346 pos += tv->effective_height;
347 pos += track_spacing;
351 double last_canvas_unit = last_canvas_frame / frames_per_unit;
353 track_canvas.set_scroll_region (0.0, 0.0, max (last_canvas_unit, canvas_width), pos);
355 // XXX what is the correct height value for the time canvas ? this overstates it
356 time_canvas.set_scroll_region ( 0.0, 0.0, max (last_canvas_unit, canvas_width), canvas_height);
358 controls_layout.queue_resize();
362 Editor::controls_layout_size_request (Requisition* req)
364 TreeModel::Children rows = route_display_model->children();
365 TreeModel::Children::iterator i;
368 for (pos = 0, i = rows.begin(); i != rows.end(); ++i) {
369 TimeAxisView *tv = (*i)[route_display_columns.tv];
371 pos += tv->effective_height;
372 pos += track_spacing;
376 RefPtr<Gdk::Screen> screen = get_screen();
379 screen = Gdk::Screen::get_default();
382 /* never let the width of the controls area shrink horizontally */
384 edit_controls_vbox.check_resize();
386 req->width = max (edit_controls_vbox.get_width(), controls_layout.get_width());
388 /* don't get too big. the fudge factors here are just guesses */
390 req->width = min (req->width, screen->get_width() - 300);
391 req->height = min ((gint) pos, (screen->get_height() - 400));
393 /* this one is important: it determines how big the layout thinks it really is, as
394 opposed to what it displays on the screen
397 controls_layout.set_size (req->width, (gint) pos);
401 Editor::track_canvas_map_handler (GdkEventAny* ev)
403 track_canvas.get_window()->set_cursor (*current_canvas_cursor);
408 Editor::time_canvas_map_handler (GdkEventAny* ev)
410 time_canvas.get_window()->set_cursor (*timebar_cursor);
415 Editor::track_canvas_drag_data_received (const RefPtr<Gdk::DragContext>& context,
417 const SelectionData& data,
418 guint info, guint time)
420 cerr << "dropping, target = " << data.get_target() << endl;
422 if (data.get_target() == "regions") {
423 drop_regions (context, x, y, data, info, time);
425 drop_paths (context, x, y, data, info, time);
430 Editor::drop_paths (const RefPtr<Gdk::DragContext>& context,
432 const SelectionData& data,
433 guint info, guint time)
436 AudioTimeAxisView* tv;
438 vector<ustring> paths;
443 if (convert_drop_to_paths (paths, context, x, y, data, info, time)) {
447 /* D-n-D coordinates are window-relative, so convert to "world" coordinates
453 track_canvas.window_to_world (x, y, wx, wy);
454 wx += horizontal_adjustment.get_value();
455 wy += vertical_adjustment.get_value();
457 ev.type = GDK_BUTTON_RELEASE;
461 frame = event_frame (&ev, 0, &cy);
465 if ((tvp = trackview_by_y_position (cy)) == 0) {
467 /* drop onto canvas background: create new tracks */
470 do_embed (paths, false, ImportAsTrack, 0, pos, false);
472 } else if ((tv = dynamic_cast<AudioTimeAxisView*>(tvp)) != 0) {
474 /* check that its an audio track, not a bus */
476 if (tv->get_diskstream()) {
477 do_embed (paths, false, ImportToTrack, tv->audio_track(), frame, true);
482 context->drag_finish (true, false, time);
486 Editor::drop_regions (const RefPtr<Gdk::DragContext>& context,
488 const SelectionData& data,
489 guint info, guint time)
491 const SerializedObjectPointers<boost::shared_ptr<Region> >* sr =
492 reinterpret_cast<const SerializedObjectPointers<boost::shared_ptr<Region> > *> (data.get_data());
494 for (uint32_t i = 0; i < sr->cnt; ++i) {
496 boost::shared_ptr<Region> r = sr->data[i];
497 boost::shared_ptr<AudioRegion> ar;
499 if ((ar = boost::dynamic_pointer_cast<AudioRegion>(r)) != 0) {
500 insert_region_list_drag (ar, x, y);
504 context->drag_finish (true, false, time);
508 Editor::maybe_autoscroll (GdkEvent* event)
510 nframes_t rightmost_frame = leftmost_frame + current_page_frames();
511 nframes_t frame = drag_info.current_pointer_frame;
512 bool startit = false;
514 static int last_autoscroll_direction = 0;
516 if (frame > rightmost_frame) {
518 if (rightmost_frame < max_frames) {
519 autoscroll_direction = 1;
523 } else if (frame < leftmost_frame) {
525 if (leftmost_frame > 0) {
526 autoscroll_direction = -1;
532 if (drag_info.last_pointer_frame > drag_info.current_pointer_frame) {
533 autoscroll_direction = -1;
535 autoscroll_direction = 1;
540 if ((autoscroll_direction != last_autoscroll_direction) || (leftmost_frame < frame < rightmost_frame)) {
541 stop_canvas_autoscroll ();
544 if (startit && autoscroll_timeout_tag < 0) {
545 start_canvas_autoscroll (autoscroll_direction);
548 last_autoscroll_direction = autoscroll_direction;
552 Editor::_autoscroll_canvas (void *arg)
554 return ((Editor *) arg)->autoscroll_canvas ();
558 Editor::autoscroll_canvas ()
561 nframes_t limit = max_frames - current_page_frames();
563 nframes_t target_frame;
565 if (autoscroll_direction < 0) {
566 if (leftmost_frame < autoscroll_distance) {
569 new_frame = leftmost_frame - autoscroll_distance;
571 target_frame = drag_info.current_pointer_frame - autoscroll_distance;
573 if (leftmost_frame > limit - autoscroll_distance) {
576 new_frame = leftmost_frame + autoscroll_distance;
578 target_frame = drag_info.current_pointer_frame + autoscroll_distance;
581 /* now fake a motion event to get the object that is being dragged to move too */
583 ev.type = GDK_MOTION_NOTIFY;
584 ev.state &= Gdk::BUTTON1_MASK;
585 ev.x = frame_to_unit (target_frame);
586 ev.y = drag_info.current_pointer_y;
587 motion_handler (drag_info.item, (GdkEvent*) &ev, drag_info.item_type, true);
589 if (new_frame == 0 || new_frame == limit) {
596 if (autoscroll_cnt == 1) {
598 /* connect the timeout so that we get called repeatedly */
600 autoscroll_timeout_tag = g_idle_add ( _autoscroll_canvas, this);
605 if (new_frame != leftmost_frame) {
606 reposition_x_origin (new_frame);
609 if (autoscroll_cnt == 50) { /* 0.5 seconds */
611 /* after about a while, speed up a bit by changing the timeout interval */
613 autoscroll_distance = (nframes_t) floor (current_page_frames()/30.0f);
615 } else if (autoscroll_cnt == 150) { /* 1.0 seconds */
617 autoscroll_distance = (nframes_t) floor (current_page_frames()/20.0f);
619 } else if (autoscroll_cnt == 300) { /* 1.5 seconds */
621 /* after about another while, speed up by increasing the shift per callback */
623 autoscroll_distance = (nframes_t) floor (current_page_frames()/10.0f);
631 Editor::start_canvas_autoscroll (int dir)
633 if (!session || autoscroll_active) {
637 stop_canvas_autoscroll ();
639 autoscroll_active = true;
640 autoscroll_direction = dir;
641 autoscroll_distance = (nframes_t) floor (current_page_frames()/50.0);
644 /* do it right now, which will start the repeated callbacks */
646 autoscroll_canvas ();
650 Editor::stop_canvas_autoscroll ()
652 if (autoscroll_timeout_tag >= 0) {
653 g_source_remove (autoscroll_timeout_tag);
654 autoscroll_timeout_tag = -1;
657 autoscroll_active = false;
661 Editor::left_track_canvas (GdkEventCrossing *ev)
663 set_entered_track (0);
664 set_entered_regionview (0);