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 jack_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);
96 track_canvas.signal_event().connect (bind (mem_fun (*this, &Editor::track_canvas_event), (ArdourCanvas::Item*) 0));
97 track_canvas.set_name ("EditorMainCanvas");
98 track_canvas.add_events (Gdk::POINTER_MOTION_HINT_MASK|Gdk::SCROLL_MASK);
99 track_canvas.signal_leave_notify_event().connect (mem_fun(*this, &Editor::left_track_canvas));
100 track_canvas.set_flags (CAN_FOCUS);
102 /* set up drag-n-drop */
104 vector<TargetEntry> target_table;
106 // Drag-N-Drop from the region list can generate this target
107 target_table.push_back (TargetEntry ("regions"));
109 target_table.push_back (TargetEntry ("text/plain"));
110 target_table.push_back (TargetEntry ("text/uri-list"));
111 target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
113 track_canvas.drag_dest_set (target_table);
114 track_canvas.signal_drag_data_received().connect (mem_fun(*this, &Editor::track_canvas_drag_data_received));
116 /* stuff for the verbose canvas cursor */
118 Pango::FontDescription font = get_font_for_style (N_("VerboseCanvasCursor"));
120 verbose_canvas_cursor = new ArdourCanvas::Text (*track_canvas.root());
121 verbose_canvas_cursor->property_font_desc() = font;
122 verbose_canvas_cursor->property_anchor() = ANCHOR_NW;
123 verbose_canvas_cursor->property_fill_color_rgba() = color_map[cVerboseCanvasCursor];
125 verbose_cursor_visible = false;
127 /* a group to hold time (measure) lines */
129 time_line_group = new ArdourCanvas::Group (*track_canvas.root(), 0.0, 0.0);
130 cursor_group = new ArdourCanvas::Group (*track_canvas.root(), 0.0, 0.0);
132 time_canvas.set_name ("EditorTimeCanvas");
133 time_canvas.add_events (Gdk::POINTER_MOTION_HINT_MASK);
134 time_canvas.set_flags (CAN_FOCUS);
135 time_canvas.set_center_scroll_region (false);
137 meter_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, 0.0);
138 tempo_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height);
139 marker_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height * 2.0);
140 range_marker_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height * 3.0);
141 transport_marker_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height * 4.0);
143 tempo_bar = new ArdourCanvas::SimpleRect (*tempo_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
144 tempo_bar->property_fill_color_rgba() = color_map[cTempoBar];
145 tempo_bar->property_outline_pixels() = 0;
147 meter_bar = new ArdourCanvas::SimpleRect (*meter_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
148 meter_bar->property_fill_color_rgba() = color_map[cMeterBar];
149 meter_bar->property_outline_pixels() = 0;
151 marker_bar = new ArdourCanvas::SimpleRect (*marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
152 marker_bar->property_fill_color_rgba() = color_map[cMarkerBar];
153 marker_bar->property_outline_pixels() = 0;
155 range_marker_bar = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
156 range_marker_bar->property_fill_color_rgba() = color_map[cRangeMarkerBar];
157 range_marker_bar->property_outline_pixels() = 0;
159 transport_marker_bar = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
160 transport_marker_bar->property_fill_color_rgba() = color_map[cTransportMarkerBar];
161 transport_marker_bar->property_outline_pixels() = 0;
163 range_bar_drag_rect = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
164 range_bar_drag_rect->property_fill_color_rgba() = color_map[cRangeDragBarRectFill];
165 range_bar_drag_rect->property_outline_color_rgba() = color_map[cRangeDragBarRect];
166 range_bar_drag_rect->property_outline_pixels() = 0;
167 range_bar_drag_rect->hide ();
169 transport_bar_drag_rect = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
170 transport_bar_drag_rect ->property_fill_color_rgba() = color_map[cTransportDragRectFill];
171 transport_bar_drag_rect->property_outline_color_rgba() = color_map[cTransportDragRect];
172 transport_bar_drag_rect->property_outline_pixels() = 0;
173 transport_bar_drag_rect->hide ();
175 marker_drag_line_points.push_back(Gnome::Art::Point(0.0, 0.0));
176 marker_drag_line_points.push_back(Gnome::Art::Point(0.0, 0.0));
178 marker_drag_line = new ArdourCanvas::Line (*track_canvas.root());
179 marker_drag_line->property_width_pixels() = 1;
180 marker_drag_line->property_fill_color_rgba() = color_map[cMarkerDragLine];
181 marker_drag_line->property_points() = marker_drag_line_points;
182 marker_drag_line->hide();
184 range_marker_drag_rect = new ArdourCanvas::SimpleRect (*track_canvas.root(), 0.0, 0.0, 0.0, 0.0);
185 range_marker_drag_rect->property_fill_color_rgba() = color_map[cRangeDragRectFill];
186 range_marker_drag_rect->property_outline_color_rgba() = color_map[cRangeDragRect];
187 range_marker_drag_rect->hide ();
189 transport_loop_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, 0.0);
190 transport_loop_range_rect->property_fill_color_rgba() = color_map[cTransportLoopRectFill];
191 transport_loop_range_rect->property_outline_color_rgba() = color_map[cTransportLoopRect];
192 transport_loop_range_rect->property_outline_pixels() = 1;
193 transport_loop_range_rect->hide();
195 transport_punch_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, 0.0);
196 transport_punch_range_rect->property_fill_color_rgba() = color_map[cTransportPunchRectFill];
197 transport_punch_range_rect->property_outline_color_rgba() = color_map[cTransportPunchRect];
198 transport_punch_range_rect->property_outline_pixels() = 0;
199 transport_punch_range_rect->hide();
201 transport_loop_range_rect->lower_to_bottom (); // loop on the bottom
203 transport_punchin_line = new ArdourCanvas::SimpleLine (*time_line_group);
204 transport_punchin_line->property_x1() = 0.0;
205 transport_punchin_line->property_y1() = 0.0;
206 transport_punchin_line->property_x2() = 0.0;
207 transport_punchin_line->property_y2() = 0.0;
208 transport_punchin_line->property_color_rgba() = color_map[cPunchInLine];
209 transport_punchin_line->hide ();
211 transport_punchout_line = new ArdourCanvas::SimpleLine (*time_line_group);
212 transport_punchout_line->property_x1() = 0.0;
213 transport_punchout_line->property_y1() = 0.0;
214 transport_punchout_line->property_x2() = 0.0;
215 transport_punchout_line->property_y2() = 0.0;
216 transport_punchout_line->property_color_rgba() = color_map[cPunchOutLine];
217 transport_punchout_line->hide();
219 // used to show zoom mode active zooming
220 zoom_rect = new ArdourCanvas::SimpleRect (*track_canvas.root(), 0.0, 0.0, 0.0, 0.0);
221 zoom_rect->property_fill_color_rgba() = color_map[cZoomRectFill];
222 zoom_rect->property_outline_color_rgba() = color_map[cZoomRect];
223 zoom_rect->property_outline_pixels() = 1;
226 zoom_rect->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_zoom_rect_event), (ArdourCanvas::Item*) 0));
228 // used as rubberband rect
229 rubberband_rect = new ArdourCanvas::SimpleRect (*track_canvas.root(), 0.0, 0.0, 0.0, 0.0);
230 rubberband_rect->property_outline_color_rgba() = color_map[cRubberBandRect];
231 rubberband_rect->property_fill_color_rgba() = (guint32) color_map[cRubberBandRectFill];
232 rubberband_rect->property_outline_pixels() = 1;
233 rubberband_rect->hide();
235 tempo_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_tempo_bar_event), tempo_bar));
236 meter_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_meter_bar_event), meter_bar));
237 marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_marker_bar_event), marker_bar));
238 range_marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_range_marker_bar_event), range_marker_bar));
239 transport_marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_transport_marker_bar_event), transport_marker_bar));
241 /* separator lines */
243 tempo_line = new ArdourCanvas::SimpleLine (*tempo_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
244 tempo_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
246 meter_line = new ArdourCanvas::SimpleLine (*meter_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
247 meter_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
249 marker_line = new ArdourCanvas::SimpleLine (*marker_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
250 marker_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
252 range_marker_line = new ArdourCanvas::SimpleLine (*range_marker_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
253 range_marker_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
255 transport_marker_line = new ArdourCanvas::SimpleLine (*transport_marker_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
256 transport_marker_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
258 ZoomChanged.connect (bind (mem_fun(*this, &Editor::update_loop_range_view), false));
259 ZoomChanged.connect (bind (mem_fun(*this, &Editor::update_punch_range_view), false));
261 double time_height = timebar_height * 5;
262 double time_width = FLT_MAX/frames_per_unit;
263 time_canvas.set_scroll_region(0.0, 0.0, time_width, time_height);
265 edit_cursor = new Cursor (*this, "blue", &Editor::canvas_edit_cursor_event);
266 playhead_cursor = new Cursor (*this, "red", &Editor::canvas_playhead_cursor_event);
268 track_canvas.signal_size_allocate().connect (mem_fun(*this, &Editor::track_canvas_allocate));
272 Editor::track_canvas_allocate (Gtk::Allocation alloc)
274 static bool first_time = true;
276 canvas_width = alloc.get_width();
277 canvas_height = alloc.get_height();
279 zoom_range_clock.set ((jack_nframes_t) floor ((canvas_width * frames_per_unit)));
280 edit_cursor->set_position (edit_cursor->current_frame);
281 playhead_cursor->set_position (playhead_cursor->current_frame);
283 reset_hscrollbar_stepping ();
284 reset_scrolling_region ();
286 if (edit_cursor) edit_cursor->set_length (canvas_height);
287 if (playhead_cursor) playhead_cursor->set_length (canvas_height);
289 if (marker_drag_line) {
290 marker_drag_line_points.back().set_x(canvas_height);
291 marker_drag_line->property_points() = marker_drag_line_points;
294 if (range_marker_drag_rect) {
295 range_marker_drag_rect->property_y1() = 0.0;
296 range_marker_drag_rect->property_y2() = canvas_height;
299 if (transport_loop_range_rect) {
300 transport_loop_range_rect->property_y1() = 0.0;
301 transport_loop_range_rect->property_y2() = canvas_height;
304 if (transport_punch_range_rect) {
305 transport_punch_range_rect->property_y1() = 0.0;
306 transport_punch_range_rect->property_y2() = canvas_height;
309 if (transport_punchin_line) {
310 transport_punchin_line->property_y1() = 0.0;
311 transport_punchin_line->property_y2() = canvas_height;
314 if (transport_punchout_line) {
315 transport_punchout_line->property_y1() = 0.0;
316 transport_punchout_line->property_y2() = canvas_height;
319 update_fixed_rulers ();
321 if (is_visible() && first_time) {
322 tempo_map_changed (Change (0));
328 Resized (); /* EMIT_SIGNAL */
332 Editor::reset_scrolling_region (Gtk::Allocation* alloc)
334 TreeModel::Children rows = route_display_model->children();
335 TreeModel::Children::iterator i;
338 for (pos = 0, i = rows.begin(); i != rows.end(); ++i) {
339 TimeAxisView *tv = (*i)[route_display_columns.tv];
340 if (tv != 0 && !tv->hidden()) {
341 pos += tv->effective_height;
342 pos += track_spacing;
346 double last_canvas_unit = last_canvas_frame / frames_per_unit;
348 track_canvas.set_scroll_region (0.0, 0.0, max (last_canvas_unit, canvas_width), pos);
350 // XXX what is the correct height value for the time canvas ? this overstates it
351 time_canvas.set_scroll_region ( 0.0, 0.0, max (last_canvas_unit, canvas_width), canvas_height);
353 controls_layout.queue_resize();
357 Editor::controls_layout_size_request (Requisition* req)
359 TreeModel::Children rows = route_display_model->children();
360 TreeModel::Children::iterator i;
363 for (pos = 0, i = rows.begin(); i != rows.end(); ++i) {
364 TimeAxisView *tv = (*i)[route_display_columns.tv];
366 pos += tv->effective_height;
367 pos += track_spacing;
371 RefPtr<Gdk::Screen> screen = get_screen();
374 screen = Gdk::Screen::get_default();
377 /* never let the width of the controls area shrink horizontally */
379 edit_controls_vbox.check_resize();
381 req->width = max (edit_controls_vbox.get_width(), controls_layout.get_width());
383 /* don't get too big. the fudge factors here are just guesses */
385 req->width = min (req->width, screen->get_width() - 300);
386 req->height = min ((gint) pos, (screen->get_height() - 400));
388 /* this one is important: it determines how big the layout thinks it really is, as
389 opposed to what it displays on the screen
392 controls_layout.set_size (req->width, (gint) pos);
396 Editor::track_canvas_map_handler (GdkEventAny* ev)
398 track_canvas.get_window()->set_cursor (*current_canvas_cursor);
403 Editor::time_canvas_map_handler (GdkEventAny* ev)
405 time_canvas.get_window()->set_cursor (*timebar_cursor);
410 Editor::track_canvas_drag_data_received (const RefPtr<Gdk::DragContext>& context,
412 const SelectionData& data,
413 guint info, guint time)
415 if (data.get_target() == "regions") {
416 drop_regions (context, x, y, data, info, time);
418 drop_paths (context, x, y, data, info, time);
423 Editor::drop_paths (const RefPtr<Gdk::DragContext>& context,
425 const SelectionData& data,
426 guint info, guint time)
429 AudioTimeAxisView* tv;
431 vector<ustring> paths;
434 jack_nframes_t frame;
436 if (convert_drop_to_paths (paths, context, x, y, data, info, time)) {
440 /* D-n-D coordinates are window-relative, so convert to "world" coordinates
446 track_canvas.window_to_world (x, y, wx, wy);
447 wx += horizontal_adjustment.get_value();
448 wy += vertical_adjustment.get_value();
450 ev.type = GDK_BUTTON_RELEASE;
454 frame = event_frame (&ev, 0, &cy);
458 if ((tvp = trackview_by_y_position (cy)) == 0) {
460 /* drop onto canvas background: create new tracks */
462 jack_nframes_t pos = 0;
463 do_embed (paths, false, ImportAsTrack, 0, pos, false);
465 } else if ((tv = dynamic_cast<AudioTimeAxisView*>(tvp)) != 0) {
467 /* check that its an audio track, not a bus */
469 if (tv->get_diskstream()) {
470 do_embed (paths, false, ImportToTrack, tv->audio_track(), frame, true);
475 context->drag_finish (true, false, time);
479 Editor::drop_regions (const RefPtr<Gdk::DragContext>& context,
481 const SelectionData& data,
482 guint info, guint time)
484 const DnDTreeView::SerializedObjectPointers* sr = reinterpret_cast<const DnDTreeView::SerializedObjectPointers*> (data.get_data());
486 for (uint32_t i = 0; i < sr->cnt; ++i) {
488 Region* r = reinterpret_cast<Region*> (sr->ptr[i]);
491 if ((ar = dynamic_cast<AudioRegion*>(r)) != 0) {
492 insert_region_list_drag (*ar, x, y);
496 context->drag_finish (true, false, time);
500 Editor::maybe_autoscroll (GdkEvent* event)
502 jack_nframes_t rightmost_frame = leftmost_frame + current_page_frames();
503 jack_nframes_t frame = drag_info.current_pointer_frame;
504 bool startit = false;
506 static int last_autoscroll_direction = 0;
508 if (frame > rightmost_frame) {
510 if (rightmost_frame < max_frames) {
511 autoscroll_direction = 1;
515 } else if (frame < leftmost_frame) {
517 if (leftmost_frame > 0) {
518 autoscroll_direction = -1;
524 if (drag_info.last_pointer_frame > drag_info.current_pointer_frame) {
525 autoscroll_direction = -1;
527 autoscroll_direction = 1;
532 if (autoscroll_direction != last_autoscroll_direction) {
533 stop_canvas_autoscroll ();
536 if (startit && autoscroll_timeout_tag < 0) {
537 start_canvas_autoscroll (autoscroll_direction);
540 last_autoscroll_direction = autoscroll_direction;
544 Editor::_autoscroll_canvas (void *arg)
546 return ((Editor *) arg)->autoscroll_canvas ();
550 Editor::autoscroll_canvas ()
552 jack_nframes_t new_frame;
553 bool keep_calling = true;
554 jack_nframes_t limit = max_frames - current_page_frames();
556 jack_nframes_t target_frame;
558 if (autoscroll_direction < 0) {
559 if (leftmost_frame < autoscroll_distance) {
562 new_frame = leftmost_frame - autoscroll_distance;
564 target_frame = drag_info.current_pointer_frame - autoscroll_distance;
566 if (leftmost_frame > limit - autoscroll_distance) {
569 new_frame = leftmost_frame + autoscroll_distance;
571 target_frame = drag_info.current_pointer_frame + autoscroll_distance;
574 if (new_frame != leftmost_frame) {
575 reposition_x_origin (new_frame);
578 /* now fake a motion event to get the object that is being dragged to move too */
580 ev.type = GDK_MOTION_NOTIFY;
581 ev.state &= Gdk::BUTTON1_MASK;
582 ev.x = frame_to_unit (target_frame);
583 ev.y = drag_info.current_pointer_y;
584 motion_handler (drag_info.item, (GdkEvent*) &ev, drag_info.item_type, true);
586 if (new_frame == 0 || new_frame == limit) {
593 if (autoscroll_cnt == 1) {
595 /* connect the timeout so that we get called repeatedly */
597 autoscroll_timeout_tag = gtk_timeout_add (20, _autoscroll_canvas, this);
598 keep_calling = false;
600 } else if (autoscroll_cnt == 50) { /* 0.5 seconds */
602 /* after about a while, speed up a bit by changing the timeout interval */
604 autoscroll_distance = (jack_nframes_t) floor (current_page_frames()/50.0f);
606 } else if (autoscroll_cnt == 75) { /* 1.0 seconds */
608 autoscroll_distance = (jack_nframes_t) floor (current_page_frames()/20.0f);
610 } else if (autoscroll_cnt == 100) { /* 1.5 seconds */
612 /* after about another while, speed up by increasing the shift per callback */
614 autoscroll_distance = (jack_nframes_t) floor (current_page_frames()/10.0f);
622 Editor::start_canvas_autoscroll (int dir)
628 stop_canvas_autoscroll ();
630 autoscroll_direction = dir;
631 autoscroll_distance = (jack_nframes_t) floor (current_page_frames()/100.0);
634 /* do it right now, which will start the repeated callbacks */
636 autoscroll_canvas ();
640 Editor::stop_canvas_autoscroll ()
642 if (autoscroll_timeout_tag >= 0) {
643 gtk_timeout_remove (autoscroll_timeout_tag);
644 autoscroll_timeout_tag = -1;
649 Editor::left_track_canvas (GdkEventCrossing *ev)
651 set_entered_track (0);
652 set_entered_regionview (0);