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 "gtk2ardour-config.h"
24 #include <libgnomecanvasmm/init.h>
25 #include <libgnomecanvasmm/pixbuf.h>
26 #include <jack/types.h>
27 #include <gtkmm2ext/utils.h>
29 #include "ardour/profile.h"
30 #include "ardour/rc_configuration.h"
32 #include "ardour_ui.h"
35 #include "simplerect.h"
36 #include "simpleline.h"
37 #include "imageframe.h"
38 #include "waveview_p.h"
39 #include "simplerect_p.h"
40 #include "simpleline_p.h"
41 #include "imageframe_p.h"
42 #include "canvas_impl.h"
43 #include "canvas-noevent-text.h"
45 #include "rgb_macros.h"
47 #include "audio_time_axis.h"
48 #include "editor_drag.h"
49 #include "region_view.h"
50 #include "editor_group_tabs.h"
51 #include "editor_routes.h"
52 #include "editor_summary.h"
54 #include "editor_cursors.h"
55 #include "mouse_cursors.h"
60 using namespace ARDOUR;
64 using namespace Gtkmm2ext;
65 using namespace Editing;
67 /* XXX this is a hack. it ought to be the maximum value of an framepos_t */
69 const double max_canvas_coordinate = (double) JACK_MAX_FRAMES;
74 GType gnome_canvas_simpleline_get_type(void);
75 GType gnome_canvas_simplerect_get_type(void);
76 GType gnome_canvas_waveview_get_type(void);
77 GType gnome_canvas_imageframe_get_type(void);
81 static void ardour_canvas_type_init()
83 // Map gtypes to gtkmm wrapper-creation functions:
85 Glib::wrap_register(gnome_canvas_simpleline_get_type(), &Gnome::Canvas::SimpleLine_Class::wrap_new);
86 Glib::wrap_register(gnome_canvas_simplerect_get_type(), &Gnome::Canvas::SimpleRect_Class::wrap_new);
87 Glib::wrap_register(gnome_canvas_waveview_get_type(), &Gnome::Canvas::WaveView_Class::wrap_new);
88 // Glib::wrap_register(gnome_canvas_imageframe_get_type(), &Gnome::Canvas::ImageFrame_Class::wrap_new);
90 // Register the gtkmm gtypes:
92 (void) Gnome::Canvas::WaveView::get_type();
93 (void) Gnome::Canvas::SimpleLine::get_type();
94 (void) Gnome::Canvas::SimpleRect::get_type();
95 (void) Gnome::Canvas::ImageFrame::get_type();
99 Editor::initialize_canvas ()
101 if (getenv ("ARDOUR_NON_AA_CANVAS")) {
102 track_canvas = new ArdourCanvas::Canvas ();
104 track_canvas = new ArdourCanvas::CanvasAA ();
107 ArdourCanvas::init ();
108 ardour_canvas_type_init ();
110 /* don't try to center the canvas */
112 track_canvas->set_center_scroll_region (false);
113 track_canvas->set_dither (Gdk::RGB_DITHER_NONE);
115 gint phys_width = physical_screen_width (Glib::RefPtr<Gdk::Window>());
116 gint phys_height = physical_screen_height (Glib::RefPtr<Gdk::Window>());
118 /* stuff for the verbose canvas cursor */
120 Pango::FontDescription* font = get_font_for_style (N_("VerboseCanvasCursor"));
122 verbose_canvas_cursor = new ArdourCanvas::NoEventText (*track_canvas->root());
123 verbose_canvas_cursor->property_font_desc() = *font;
124 verbose_canvas_cursor->property_anchor() = ANCHOR_NW;
128 verbose_cursor_visible = false;
130 /* on the bottom, an image */
132 if (Profile->get_sae()) {
133 Image img (::get_icon (X_("saelogo")));
134 logo_item = new ArdourCanvas::Pixbuf (*track_canvas->root(), 0.0, 0.0, img.get_pixbuf());
135 // logo_item->property_height_in_pixels() = true;
136 // logo_item->property_width_in_pixels() = true;
137 // logo_item->property_height_set() = true;
138 // logo_item->property_width_set() = true;
142 /* a group to hold time (measure) lines */
143 time_line_group = new ArdourCanvas::Group (*track_canvas->root());
146 /*XXX please don't laugh. this actually improves canvas performance on osx */
147 bogus_background_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, max_canvas_coordinate/3, phys_height);
148 bogus_background_rect->property_outline_pixels() = 0;
150 transport_loop_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, phys_height);
151 transport_loop_range_rect->property_outline_pixels() = 1;
152 transport_loop_range_rect->hide();
154 transport_punch_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, phys_height);
155 transport_punch_range_rect->property_outline_pixels() = 0;
156 transport_punch_range_rect->hide();
158 _background_group = new ArdourCanvas::Group (*track_canvas->root());
159 _master_group = new ArdourCanvas::Group (*track_canvas->root());
161 _trackview_group = new ArdourCanvas::Group (*_master_group);
162 _region_motion_group = new ArdourCanvas::Group (*_trackview_group);
164 meter_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
165 if (Profile->get_sae()) {
166 meter_bar = new ArdourCanvas::SimpleRect (*meter_bar_group, 0.0, 0.0, phys_width, timebar_height - 1);
167 meter_bar->property_outline_pixels() = 1;
169 meter_bar = new ArdourCanvas::SimpleRect (*meter_bar_group, 0.0, 0.0, phys_width, timebar_height);
170 meter_bar->property_outline_pixels() = 0;
172 meter_bar->property_outline_what() = (0x1 | 0x8);
174 tempo_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
175 if (Profile->get_sae()) {
176 tempo_bar = new ArdourCanvas::SimpleRect (*tempo_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
177 tempo_bar->property_outline_pixels() = 1;
179 tempo_bar = new ArdourCanvas::SimpleRect (*tempo_bar_group, 0.0, 0.0, phys_width, (timebar_height));
180 tempo_bar->property_outline_pixels() = 0;
182 tempo_bar->property_outline_what() = (0x1 | 0x8);
184 range_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
185 if (Profile->get_sae()) {
186 range_marker_bar = new ArdourCanvas::SimpleRect (*range_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
187 range_marker_bar->property_outline_pixels() = 1;
189 range_marker_bar = new ArdourCanvas::SimpleRect (*range_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height));
190 range_marker_bar->property_outline_pixels() = 0;
192 range_marker_bar->property_outline_what() = (0x1 | 0x8);
194 transport_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
195 if (Profile->get_sae()) {
196 transport_marker_bar = new ArdourCanvas::SimpleRect (*transport_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
197 transport_marker_bar->property_outline_pixels() = 1;
199 transport_marker_bar = new ArdourCanvas::SimpleRect (*transport_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height));
200 transport_marker_bar->property_outline_pixels() = 0;
202 transport_marker_bar->property_outline_what() = (0x1 | 0x8);
204 marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
205 if (Profile->get_sae()) {
206 marker_bar = new ArdourCanvas::SimpleRect (*marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
207 marker_bar->property_outline_pixels() = 1;
209 marker_bar = new ArdourCanvas::SimpleRect (*marker_bar_group, 0.0, 0.0, phys_width, (timebar_height));
210 marker_bar->property_outline_pixels() = 0;
212 marker_bar->property_outline_what() = (0x1 | 0x8);
214 cd_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
215 if (Profile->get_sae()) {
216 cd_marker_bar = new ArdourCanvas::SimpleRect (*cd_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
217 cd_marker_bar->property_outline_pixels() = 1;
219 cd_marker_bar = new ArdourCanvas::SimpleRect (*cd_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height));
220 cd_marker_bar->property_outline_pixels() = 0;
222 cd_marker_bar->property_outline_what() = (0x1 | 0x8);
224 timebar_group = new ArdourCanvas::Group (*track_canvas->root(), 0.0, 0.0);
225 cursor_group = new ArdourCanvas::Group (*track_canvas->root(), 0.0, 0.0);
227 meter_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 5.0);
228 tempo_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 4.0);
229 range_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 3.0);
230 transport_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 2.0);
231 marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height);
232 cd_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, 0.0);
234 cd_marker_bar_drag_rect = new ArdourCanvas::SimpleRect (*cd_marker_group, 0.0, 0.0, 100, timebar_height);
235 cd_marker_bar_drag_rect->property_outline_pixels() = 0;
236 cd_marker_bar_drag_rect->hide ();
238 range_bar_drag_rect = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, 100, timebar_height);
239 range_bar_drag_rect->property_outline_pixels() = 0;
240 range_bar_drag_rect->hide ();
242 transport_bar_drag_rect = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, 100, timebar_height);
243 transport_bar_drag_rect->property_outline_pixels() = 0;
244 transport_bar_drag_rect->hide ();
246 transport_punchin_line = new ArdourCanvas::SimpleLine (*_master_group);
247 transport_punchin_line->property_x1() = 0.0;
248 transport_punchin_line->property_y1() = 0.0;
249 transport_punchin_line->property_x2() = 0.0;
250 transport_punchin_line->property_y2() = phys_height;
251 transport_punchin_line->hide ();
253 transport_punchout_line = new ArdourCanvas::SimpleLine (*_master_group);
254 transport_punchout_line->property_x1() = 0.0;
255 transport_punchout_line->property_y1() = 0.0;
256 transport_punchout_line->property_x2() = 0.0;
257 transport_punchout_line->property_y2() = phys_height;
258 transport_punchout_line->hide();
260 // used to show zoom mode active zooming
261 zoom_rect = new ArdourCanvas::SimpleRect (*_master_group, 0.0, 0.0, 0.0, 0.0);
262 zoom_rect->property_outline_pixels() = 1;
265 zoom_rect->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_zoom_rect_event), (ArdourCanvas::Item*) 0));
267 // used as rubberband rect
268 rubberband_rect = new ArdourCanvas::SimpleRect (*_trackview_group, 0.0, 0.0, 0.0, 0.0);
270 rubberband_rect->property_outline_pixels() = 1;
271 rubberband_rect->hide();
273 tempo_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_tempo_bar_event), tempo_bar));
274 meter_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_meter_bar_event), meter_bar));
275 marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_marker_bar_event), marker_bar));
276 cd_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_cd_marker_bar_event), cd_marker_bar));
277 range_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_range_marker_bar_event), range_marker_bar));
278 transport_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_transport_marker_bar_event), transport_marker_bar));
280 playhead_cursor = new EditorCursor (*this, &Editor::canvas_playhead_cursor_event);
283 logo_item->lower_to_bottom ();
285 /* need to handle 4 specific types of events as catch-alls */
287 track_canvas->signal_scroll_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_scroll_event));
288 track_canvas->signal_motion_notify_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_motion_notify_event));
289 track_canvas->signal_button_press_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_button_press_event));
290 track_canvas->signal_button_release_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_button_release_event));
291 track_canvas->signal_drag_motion().connect (sigc::mem_fun (*this, &Editor::track_canvas_drag_motion));
292 track_canvas->signal_key_press_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_key_press));
293 track_canvas->signal_key_release_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_key_release));
295 track_canvas->set_name ("EditorMainCanvas");
296 track_canvas->add_events (Gdk::POINTER_MOTION_HINT_MASK | Gdk::SCROLL_MASK | Gdk::KEY_PRESS_MASK | Gdk::KEY_RELEASE_MASK);
297 track_canvas->signal_leave_notify_event().connect (sigc::mem_fun(*this, &Editor::left_track_canvas));
298 track_canvas->signal_enter_notify_event().connect (sigc::mem_fun(*this, &Editor::entered_track_canvas));
299 track_canvas->set_flags (CAN_FOCUS);
301 /* set up drag-n-drop */
303 vector<TargetEntry> target_table;
305 // Drag-N-Drop from the region list can generate this target
306 target_table.push_back (TargetEntry ("regions"));
308 target_table.push_back (TargetEntry ("text/plain"));
309 target_table.push_back (TargetEntry ("text/uri-list"));
310 target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
312 track_canvas->drag_dest_set (target_table);
313 track_canvas->signal_drag_data_received().connect (sigc::mem_fun(*this, &Editor::track_canvas_drag_data_received));
315 track_canvas->signal_size_allocate().connect (sigc::mem_fun(*this, &Editor::track_canvas_allocate));
317 ColorsChanged.connect (sigc::mem_fun (*this, &Editor::color_handler));
323 Editor::track_canvas_allocate (Gtk::Allocation alloc)
325 canvas_allocation = alloc;
326 track_canvas_size_allocated ();
330 Editor::track_canvas_size_allocated ()
332 bool height_changed = _canvas_height != canvas_allocation.get_height();
334 _canvas_width = canvas_allocation.get_width();
335 _canvas_height = canvas_allocation.get_height();
338 TrackViewList::iterator i;
340 for (i = track_views.begin(); i != track_views.end(); ++i) {
341 (*i)->clip_to_viewport ();
345 if (height_changed) {
346 if (playhead_cursor) {
347 playhead_cursor->set_length (_canvas_height);
350 for (LocationMarkerMap::iterator i = location_markers.begin(); i != location_markers.end(); ++i) {
351 i->second->canvas_height_set (_canvas_height);
354 vertical_adjustment.set_page_size (_canvas_height);
355 last_trackview_group_vertical_offset = get_trackview_group_vertical_offset ();
356 if ((vertical_adjustment.get_value() + _canvas_height) >= vertical_adjustment.get_upper()) {
358 We're increasing the size of the canvas while the bottom is visible.
359 We scroll down to keep in step with the controls layout.
361 vertical_adjustment.set_value (full_canvas_height - _canvas_height);
365 update_fixed_rulers();
366 redisplay_tempo (false);
367 _summary->set_overlays_dirty ();
369 Resized (); /* EMIT_SIGNAL */
375 Editor::controls_layout_size_request (Requisition* req)
378 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
379 pos += (*i)->effective_height ();
382 gint height = min ((gint) pos, (gint) (physical_screen_height(get_window()) - 600));
384 bool changed = false;
386 gint w = edit_controls_vbox.get_width();
387 if (_group_tabs->is_mapped()) {
388 w += _group_tabs->get_width ();
391 gint width = max (w, controls_layout.get_width());
393 /* don't get too big. the fudge factors here are just guesses */
395 width = min (width, (gint) (physical_screen_width(get_window()) - 300));
397 if ((req->width != width) || (req->height != height)) {
399 controls_layout_size_request_connection.disconnect ();
402 if (req->width != width) {
403 gint vbox_width = edit_controls_vbox.get_width();
404 if (_group_tabs->is_mapped()) {
405 vbox_width += _group_tabs->get_width();
409 /* this one is important: it determines how big the layout thinks it really is, as
410 opposed to what it displays on the screen
412 controls_layout.property_width () = vbox_width;
413 controls_layout.property_width_request () = vbox_width;
415 // time_button_event_box.property_width_request () = vbox_width;
416 // zoom_box.property_width_request () = vbox_width;
419 if (req->height != height) {
420 req->height = height;
421 controls_layout.property_height () = (guint) floor (pos);
422 controls_layout.property_height_request () = height;
426 controls_layout_size_request_connection = controls_layout.signal_size_request().connect (sigc::mem_fun (*this, &Editor::controls_layout_size_request));
428 //cerr << "sizes = " << req->width << " " << edit_controls_vbox.get_width() << " " << controls_layout.get_width() << " " << zoom_box.get_width() << " " << time_button_frame.get_width() << endl;//DEBUG
432 Editor::track_canvas_map_handler (GdkEventAny* /*ev*/)
434 if (current_canvas_cursor) {
435 set_canvas_cursor (current_canvas_cursor);
440 /** This is called when something is dropped onto the track canvas */
442 Editor::track_canvas_drag_data_received (const RefPtr<Gdk::DragContext>& context,
444 const SelectionData& data,
445 guint info, guint time)
447 if (data.get_target() == "regions") {
448 drop_regions (context, x, y, data, info, time);
450 drop_paths (context, x, y, data, info, time);
455 Editor::idle_drop_paths (vector<string> paths, framepos_t frame, double ypos)
457 drop_paths_part_two (paths, frame, ypos);
462 Editor::drop_paths_part_two (const vector<string>& paths, framepos_t frame, double ypos)
464 RouteTimeAxisView* tv;
466 std::pair<TimeAxisView*, int> const tvp = trackview_by_y_position (ypos);
467 if (tvp.first == 0) {
469 /* drop onto canvas background: create new tracks */
473 if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
474 do_import (paths, Editing::ImportDistinctFiles, Editing::ImportAsTrack, SrcBest, frame);
476 do_embed (paths, Editing::ImportDistinctFiles, ImportAsTrack, frame);
479 } else if ((tv = dynamic_cast<RouteTimeAxisView*> (tvp.first)) != 0) {
481 /* check that its an audio track, not a bus */
484 /* select the track, then embed/import */
487 if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
488 do_import (paths, Editing::ImportSerializeFiles, Editing::ImportToTrack, SrcBest, frame);
490 do_embed (paths, Editing::ImportSerializeFiles, ImportToTrack, frame);
497 Editor::drop_paths (const RefPtr<Gdk::DragContext>& context,
499 const SelectionData& data,
500 guint info, guint time)
502 vector<string> paths;
509 if (convert_drop_to_paths (paths, context, x, y, data, info, time) == 0) {
511 /* D-n-D coordinates are window-relative, so convert to "world" coordinates
514 track_canvas->window_to_world (x, y, wx, wy);
516 ev.type = GDK_BUTTON_RELEASE;
520 frame = event_frame (&ev, 0, &cy);
525 /* We are not allowed to call recursive main event loops from within
526 the main event loop with GTK/Quartz. Since import/embed wants
527 to push up a progress dialog, defer all this till we go idle.
529 Glib::signal_idle().connect (sigc::bind (sigc::mem_fun (*this, &Editor::idle_drop_paths), paths, frame, cy));
531 drop_paths_part_two (paths, frame, cy);
535 context->drag_finish (true, false, time);
539 Editor::drop_regions (const RefPtr<Gdk::DragContext>& /*context*/,
540 int /*x*/, int /*y*/,
541 const SelectionData& /*data*/,
542 guint /*info*/, guint /*time*/)
544 _drags->end_grab (0);
548 Editor::maybe_autoscroll (bool allow_horiz, bool allow_vert)
550 framepos_t rightmost_frame = leftmost_frame + current_page_frames();
551 bool startit = false;
553 double const ty = _drags->current_pointer_y() - get_trackview_group_vertical_offset ();
557 if (ty < canvas_timebars_vsize && allow_vert) {
560 } else if (ty > _canvas_height && allow_vert) {
565 if (_drags->current_pointer_frame() > rightmost_frame && allow_horiz) {
566 if (rightmost_frame < max_framepos) {
570 } else if (_drags->current_pointer_frame() < leftmost_frame && allow_horiz) {
571 if (leftmost_frame > 0) {
577 if (autoscroll_active && ((autoscroll_x != last_autoscroll_x) || (autoscroll_y != last_autoscroll_y) || (autoscroll_x == 0 && autoscroll_y == 0))) {
578 stop_canvas_autoscroll ();
581 if (startit && autoscroll_timeout_tag < 0) {
582 start_canvas_autoscroll (autoscroll_x, autoscroll_y);
585 last_autoscroll_x = autoscroll_x;
586 last_autoscroll_y = autoscroll_y;
590 Editor::_autoscroll_canvas (void *arg)
592 return ((Editor *) arg)->autoscroll_canvas ();
596 Editor::autoscroll_canvas ()
598 framepos_t new_frame;
599 framepos_t limit = max_framepos - current_page_frames();
604 if (autoscroll_x_distance != 0) {
606 if (autoscroll_x > 0) {
607 autoscroll_x_distance = (_drags->current_pointer_frame() - (leftmost_frame + current_page_frames())) / 3;
608 } else if (autoscroll_x < 0) {
609 autoscroll_x_distance = (leftmost_frame - _drags->current_pointer_frame()) / 3;
614 if (autoscroll_y_distance != 0) {
615 if (autoscroll_y > 0) {
616 autoscroll_y_distance = (_drags->current_pointer_y() - (get_trackview_group_vertical_offset() + _canvas_height)) / 3;
617 } else if (autoscroll_y < 0) {
619 autoscroll_y_distance = (vertical_adjustment.get_value () - _drags->current_pointer_y()) / 3;
623 if (autoscroll_x < 0) {
624 if (leftmost_frame < autoscroll_x_distance) {
627 new_frame = leftmost_frame - autoscroll_x_distance;
629 } else if (autoscroll_x > 0) {
630 if (leftmost_frame > limit - autoscroll_x_distance) {
633 new_frame = leftmost_frame + autoscroll_x_distance;
636 new_frame = leftmost_frame;
639 double vertical_pos = vertical_adjustment.get_value();
641 if (autoscroll_y < 0) {
643 if (vertical_pos < autoscroll_y_distance) {
646 new_pixel = vertical_pos - autoscroll_y_distance;
649 target_pixel = _drags->current_pointer_y() - autoscroll_y_distance;
650 target_pixel = max (target_pixel, 0.0);
652 } else if (autoscroll_y > 0) {
654 double top_of_bottom_of_canvas = full_canvas_height - _canvas_height;
656 if (vertical_pos > full_canvas_height - autoscroll_y_distance) {
657 new_pixel = full_canvas_height;
659 new_pixel = vertical_pos + autoscroll_y_distance;
662 new_pixel = min (top_of_bottom_of_canvas, new_pixel);
664 target_pixel = _drags->current_pointer_y() + autoscroll_y_distance;
666 /* don't move to the full canvas height because the item will be invisible
667 (its top edge will line up with the bottom of the visible canvas.
670 target_pixel = min (target_pixel, full_canvas_height - 10);
673 target_pixel = _drags->current_pointer_y();
674 new_pixel = vertical_pos;
677 if ((new_frame == 0 || new_frame == limit) && (new_pixel == 0 || new_pixel == DBL_MAX)) {
682 if (new_frame != leftmost_frame) {
683 reset_x_origin (new_frame);
686 vertical_adjustment.set_value (new_pixel);
690 Glib::RefPtr<Gdk::Window> canvas_window = const_cast<Editor*>(this)->track_canvas->get_window();
692 Gdk::ModifierType mask;
693 canvas_window->get_pointer (x, y, mask);
694 ev.type = GDK_MOTION_NOTIFY;
695 ev.state = Gdk::BUTTON1_MASK;
699 motion_handler (0, (GdkEvent*) &ev, true);
703 if (autoscroll_cnt == 1) {
705 /* connect the timeout so that we get called repeatedly */
707 autoscroll_timeout_tag = g_idle_add ( _autoscroll_canvas, this);
716 Editor::start_canvas_autoscroll (int dx, int dy)
718 if (!_session || autoscroll_active) {
722 stop_canvas_autoscroll ();
724 autoscroll_active = true;
727 autoscroll_x_distance = (framepos_t) floor (current_page_frames()/50.0);
728 autoscroll_y_distance = fabs (dy * 5); /* pixels */
731 /* do it right now, which will start the repeated callbacks */
733 autoscroll_canvas ();
737 Editor::stop_canvas_autoscroll ()
739 if (autoscroll_timeout_tag >= 0) {
740 g_source_remove (autoscroll_timeout_tag);
741 autoscroll_timeout_tag = -1;
744 autoscroll_active = false;
748 Editor::left_track_canvas (GdkEventCrossing */*ev*/)
751 set_entered_track (0);
752 set_entered_regionview (0);
753 reset_canvas_action_sensitivity (false);
758 Editor::entered_track_canvas (GdkEventCrossing */*ev*/)
760 reset_canvas_action_sensitivity (true);
765 Editor::tie_vertical_scrolling ()
767 scroll_canvas_vertically ();
769 /* this will do an immediate redraw */
771 controls_layout.get_vadjustment()->set_value (vertical_adjustment.get_value());
773 if (pending_visual_change.idle_handler_id < 0) {
774 _summary->set_overlays_dirty ();
779 Editor::set_horizontal_position (double p)
781 /* horizontal scrolling only */
782 double x1, y1, x2, y2, x_delta;
783 _master_group->get_bounds (x1, y1, x2, y2);
785 x_delta = - (x1 + p);
787 _master_group->move (x_delta, 0);
788 timebar_group->move (x_delta, 0);
789 time_line_group->move (x_delta, 0);
790 cursor_group->move (x_delta, 0);
792 leftmost_frame = (framepos_t) floor (p * frames_per_unit);
794 update_fixed_rulers ();
795 redisplay_tempo (true);
797 if (pending_visual_change.idle_handler_id < 0) {
798 _summary->set_overlays_dirty ();
801 HorizontalPositionChanged (); /* EMIT SIGNAL */
804 if (!autoscroll_active && !_stationary_playhead) {
805 /* force rulers and canvas to move in lock step */
806 while (gtk_events_pending ()) {
807 gtk_main_iteration ();
815 Editor::scroll_canvas_vertically ()
817 /* vertical scrolling only */
821 y_delta = last_trackview_group_vertical_offset - get_trackview_group_vertical_offset ();
822 _trackview_group->move (0, y_delta);
823 _background_group->move (0, y_delta);
825 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
826 (*i)->clip_to_viewport ();
828 last_trackview_group_vertical_offset = get_trackview_group_vertical_offset ();
829 /* required to keep the controls_layout in lock step with the canvas group */
830 update_canvas_now ();
834 Editor::color_handler()
836 playhead_cursor->canvas_item.property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_PlayHead.get();
837 verbose_canvas_cursor->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_VerboseCanvasCursor.get();
839 meter_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MeterBar.get();
840 meter_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
842 tempo_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TempoBar.get();
843 tempo_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
845 marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBar.get();
846 marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
848 cd_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_CDMarkerBar.get();
849 cd_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
851 range_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeMarkerBar.get();
852 range_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
854 transport_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportMarkerBar.get();
855 transport_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
857 cd_marker_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
858 cd_marker_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
860 range_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
861 range_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
863 transport_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportDragRect.get();
864 transport_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportDragRect.get();
866 transport_loop_range_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportLoopRect.get();
867 transport_loop_range_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportLoopRect.get();
869 transport_punch_range_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportPunchRect.get();
870 transport_punch_range_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportPunchRect.get();
872 transport_punchin_line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_PunchLine.get();
873 transport_punchout_line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_PunchLine.get();
875 zoom_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_ZoomRect.get();
876 zoom_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_ZoomRect.get();
878 rubberband_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RubberBandRect.get();
879 rubberband_rect->property_fill_color_rgba() = (guint32) ARDOUR_UI::config()->canvasvar_RubberBandRect.get();
881 location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
882 location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
883 location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
884 location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
885 location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
887 refresh_location_display ();
889 redisplay_tempo (true);
892 _session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks); // redraw metric markers
897 Editor::flush_canvas ()
900 update_canvas_now ();
901 // gdk_window_process_updates (GTK_LAYOUT(track_canvas->gobj())->bin_window, true);
906 Editor::update_canvas_now ()
908 /* GnomeCanvas has a bug whereby if its idle handler is not scheduled between
909 two calls to update_now, an assert will trip. This wrapper works around
910 that problem by only calling update_now if the assert will not trip.
912 I think the GC bug is due to the fact that its code will reset need_update
913 and need_redraw to FALSE without checking to see if an idle handler is scheduled.
914 If one is scheduled, GC should probably remove it.
917 GnomeCanvas* c = track_canvas->gobj ();
918 if (c->need_update || c->need_redraw) {
919 track_canvas->update_now ();
924 Editor::horizontal_position () const
926 return frame_to_unit (leftmost_frame);
929 Editor::set_canvas_cursor (Gdk::Cursor* cursor, bool save)
932 current_canvas_cursor = cursor;
936 track_canvas->get_window()->set_cursor (*cursor);
941 Editor::track_canvas_key_press (GdkEventKey* event)
943 /* XXX: event does not report the modifier key pressed down, AFAICS, so use the Keyboard object instead */
944 if (mouse_mode == Editing::MouseZoom && Keyboard::the_keyboard().key_is_down (GDK_Control_L)) {
945 set_canvas_cursor (_cursors->zoom_out);
952 Editor::track_canvas_key_release (GdkEventKey* event)
954 if (mouse_mode == Editing::MouseZoom && !Keyboard::the_keyboard().key_is_down (GDK_Control_L)) {
955 set_canvas_cursor (_cursors->zoom_in);