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"
34 #include "global_signals.h"
36 #include "simplerect.h"
37 #include "simpleline.h"
38 #include "imageframe.h"
39 #include "waveview_p.h"
40 #include "simplerect_p.h"
41 #include "simpleline_p.h"
42 #include "imageframe_p.h"
43 #include "canvas_impl.h"
44 #include "canvas-noevent-text.h"
46 #include "rgb_macros.h"
48 #include "audio_time_axis.h"
49 #include "editor_drag.h"
50 #include "region_view.h"
51 #include "editor_group_tabs.h"
52 #include "editor_routes.h"
53 #include "editor_summary.h"
55 #include "editor_cursors.h"
56 #include "mouse_cursors.h"
61 using namespace ARDOUR;
65 using namespace Gtkmm2ext;
66 using namespace Editing;
68 /* XXX this is a hack. it ought to be the maximum value of an framepos_t */
70 const double max_canvas_coordinate = (double) JACK_MAX_FRAMES;
75 GType gnome_canvas_simpleline_get_type(void);
76 GType gnome_canvas_simplerect_get_type(void);
77 GType gnome_canvas_waveview_get_type(void);
78 GType gnome_canvas_imageframe_get_type(void);
82 static void ardour_canvas_type_init()
84 // Map gtypes to gtkmm wrapper-creation functions:
86 Glib::wrap_register(gnome_canvas_simpleline_get_type(), &Gnome::Canvas::SimpleLine_Class::wrap_new);
87 Glib::wrap_register(gnome_canvas_simplerect_get_type(), &Gnome::Canvas::SimpleRect_Class::wrap_new);
88 Glib::wrap_register(gnome_canvas_waveview_get_type(), &Gnome::Canvas::WaveView_Class::wrap_new);
89 // Glib::wrap_register(gnome_canvas_imageframe_get_type(), &Gnome::Canvas::ImageFrame_Class::wrap_new);
91 // Register the gtkmm gtypes:
93 (void) Gnome::Canvas::WaveView::get_type();
94 (void) Gnome::Canvas::SimpleLine::get_type();
95 (void) Gnome::Canvas::SimpleRect::get_type();
96 (void) Gnome::Canvas::ImageFrame::get_type();
100 Editor::initialize_canvas ()
102 if (getenv ("ARDOUR_NON_AA_CANVAS")) {
103 track_canvas = new ArdourCanvas::Canvas ();
105 track_canvas = new ArdourCanvas::CanvasAA ();
108 ArdourCanvas::init ();
109 ardour_canvas_type_init ();
111 /* don't try to center the canvas */
113 track_canvas->set_center_scroll_region (false);
114 track_canvas->set_dither (Gdk::RGB_DITHER_NONE);
116 gint phys_width = physical_screen_width (Glib::RefPtr<Gdk::Window>());
117 gint phys_height = physical_screen_height (Glib::RefPtr<Gdk::Window>());
119 /* stuff for the verbose canvas cursor */
121 Pango::FontDescription* font = get_font_for_style (N_("VerboseCanvasCursor"));
123 verbose_canvas_cursor = new ArdourCanvas::NoEventText (*track_canvas->root());
124 verbose_canvas_cursor->property_font_desc() = *font;
125 verbose_canvas_cursor->property_anchor() = ANCHOR_NW;
129 verbose_cursor_visible = false;
131 /* on the bottom, an image */
133 if (Profile->get_sae()) {
134 Image img (::get_icon (X_("saelogo")));
135 logo_item = new ArdourCanvas::Pixbuf (*track_canvas->root(), 0.0, 0.0, img.get_pixbuf());
136 // logo_item->property_height_in_pixels() = true;
137 // logo_item->property_width_in_pixels() = true;
138 // logo_item->property_height_set() = true;
139 // logo_item->property_width_set() = true;
143 /* a group to hold time (measure) lines */
144 time_line_group = new ArdourCanvas::Group (*track_canvas->root());
147 /*XXX please don't laugh. this actually improves canvas performance on osx */
148 bogus_background_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, max_canvas_coordinate/3, phys_height);
149 bogus_background_rect->property_outline_pixels() = 0;
151 transport_loop_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, phys_height);
152 transport_loop_range_rect->property_outline_pixels() = 1;
153 transport_loop_range_rect->hide();
155 transport_punch_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, phys_height);
156 transport_punch_range_rect->property_outline_pixels() = 0;
157 transport_punch_range_rect->hide();
159 _background_group = new ArdourCanvas::Group (*track_canvas->root());
160 _master_group = new ArdourCanvas::Group (*track_canvas->root());
162 _trackview_group = new ArdourCanvas::Group (*_master_group);
163 _region_motion_group = new ArdourCanvas::Group (*_trackview_group);
165 meter_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
166 if (Profile->get_sae()) {
167 meter_bar = new ArdourCanvas::SimpleRect (*meter_bar_group, 0.0, 0.0, phys_width, timebar_height - 1);
168 meter_bar->property_outline_pixels() = 1;
170 meter_bar = new ArdourCanvas::SimpleRect (*meter_bar_group, 0.0, 0.0, phys_width, timebar_height);
171 meter_bar->property_outline_pixels() = 0;
173 meter_bar->property_outline_what() = (0x1 | 0x8);
175 tempo_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
176 if (Profile->get_sae()) {
177 tempo_bar = new ArdourCanvas::SimpleRect (*tempo_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
178 tempo_bar->property_outline_pixels() = 1;
180 tempo_bar = new ArdourCanvas::SimpleRect (*tempo_bar_group, 0.0, 0.0, phys_width, (timebar_height));
181 tempo_bar->property_outline_pixels() = 0;
183 tempo_bar->property_outline_what() = (0x1 | 0x8);
185 range_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
186 if (Profile->get_sae()) {
187 range_marker_bar = new ArdourCanvas::SimpleRect (*range_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
188 range_marker_bar->property_outline_pixels() = 1;
190 range_marker_bar = new ArdourCanvas::SimpleRect (*range_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height));
191 range_marker_bar->property_outline_pixels() = 0;
193 range_marker_bar->property_outline_what() = (0x1 | 0x8);
195 transport_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
196 if (Profile->get_sae()) {
197 transport_marker_bar = new ArdourCanvas::SimpleRect (*transport_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
198 transport_marker_bar->property_outline_pixels() = 1;
200 transport_marker_bar = new ArdourCanvas::SimpleRect (*transport_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height));
201 transport_marker_bar->property_outline_pixels() = 0;
203 transport_marker_bar->property_outline_what() = (0x1 | 0x8);
205 marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
206 if (Profile->get_sae()) {
207 marker_bar = new ArdourCanvas::SimpleRect (*marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
208 marker_bar->property_outline_pixels() = 1;
210 marker_bar = new ArdourCanvas::SimpleRect (*marker_bar_group, 0.0, 0.0, phys_width, (timebar_height));
211 marker_bar->property_outline_pixels() = 0;
213 marker_bar->property_outline_what() = (0x1 | 0x8);
215 cd_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
216 if (Profile->get_sae()) {
217 cd_marker_bar = new ArdourCanvas::SimpleRect (*cd_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
218 cd_marker_bar->property_outline_pixels() = 1;
220 cd_marker_bar = new ArdourCanvas::SimpleRect (*cd_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height));
221 cd_marker_bar->property_outline_pixels() = 0;
223 cd_marker_bar->property_outline_what() = (0x1 | 0x8);
225 timebar_group = new ArdourCanvas::Group (*track_canvas->root(), 0.0, 0.0);
226 cursor_group = new ArdourCanvas::Group (*track_canvas->root(), 0.0, 0.0);
228 meter_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 5.0);
229 tempo_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 4.0);
230 range_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 3.0);
231 transport_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 2.0);
232 marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height);
233 cd_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, 0.0);
235 cd_marker_bar_drag_rect = new ArdourCanvas::SimpleRect (*cd_marker_group, 0.0, 0.0, 100, timebar_height);
236 cd_marker_bar_drag_rect->property_outline_pixels() = 0;
237 cd_marker_bar_drag_rect->hide ();
239 range_bar_drag_rect = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, 100, timebar_height);
240 range_bar_drag_rect->property_outline_pixels() = 0;
241 range_bar_drag_rect->hide ();
243 transport_bar_drag_rect = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, 100, timebar_height);
244 transport_bar_drag_rect->property_outline_pixels() = 0;
245 transport_bar_drag_rect->hide ();
247 transport_punchin_line = new ArdourCanvas::SimpleLine (*_master_group);
248 transport_punchin_line->property_x1() = 0.0;
249 transport_punchin_line->property_y1() = 0.0;
250 transport_punchin_line->property_x2() = 0.0;
251 transport_punchin_line->property_y2() = phys_height;
252 transport_punchin_line->hide ();
254 transport_punchout_line = new ArdourCanvas::SimpleLine (*_master_group);
255 transport_punchout_line->property_x1() = 0.0;
256 transport_punchout_line->property_y1() = 0.0;
257 transport_punchout_line->property_x2() = 0.0;
258 transport_punchout_line->property_y2() = phys_height;
259 transport_punchout_line->hide();
261 // used to show zoom mode active zooming
262 zoom_rect = new ArdourCanvas::SimpleRect (*_master_group, 0.0, 0.0, 0.0, 0.0);
263 zoom_rect->property_outline_pixels() = 1;
266 zoom_rect->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_zoom_rect_event), (ArdourCanvas::Item*) 0));
268 // used as rubberband rect
269 rubberband_rect = new ArdourCanvas::SimpleRect (*_trackview_group, 0.0, 0.0, 0.0, 0.0);
271 rubberband_rect->property_outline_pixels() = 1;
272 rubberband_rect->hide();
274 tempo_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_tempo_bar_event), tempo_bar));
275 meter_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_meter_bar_event), meter_bar));
276 marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_marker_bar_event), marker_bar));
277 cd_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_cd_marker_bar_event), cd_marker_bar));
278 range_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_range_marker_bar_event), range_marker_bar));
279 transport_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_transport_marker_bar_event), transport_marker_bar));
281 playhead_cursor = new EditorCursor (*this, &Editor::canvas_playhead_cursor_event);
284 logo_item->lower_to_bottom ();
286 /* need to handle 4 specific types of events as catch-alls */
288 track_canvas->signal_scroll_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_scroll_event));
289 track_canvas->signal_motion_notify_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_motion_notify_event));
290 track_canvas->signal_button_press_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_button_press_event));
291 track_canvas->signal_button_release_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_button_release_event));
292 track_canvas->signal_drag_motion().connect (sigc::mem_fun (*this, &Editor::track_canvas_drag_motion));
293 track_canvas->signal_key_press_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_key_press));
294 track_canvas->signal_key_release_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_key_release));
296 track_canvas->set_name ("EditorMainCanvas");
297 track_canvas->add_events (Gdk::POINTER_MOTION_HINT_MASK | Gdk::SCROLL_MASK | Gdk::KEY_PRESS_MASK | Gdk::KEY_RELEASE_MASK);
298 track_canvas->signal_leave_notify_event().connect (sigc::mem_fun(*this, &Editor::left_track_canvas));
299 track_canvas->signal_enter_notify_event().connect (sigc::mem_fun(*this, &Editor::entered_track_canvas));
300 track_canvas->set_flags (CAN_FOCUS);
302 /* set up drag-n-drop */
304 vector<TargetEntry> target_table;
306 // Drag-N-Drop from the region list can generate this target
307 target_table.push_back (TargetEntry ("regions"));
309 target_table.push_back (TargetEntry ("text/plain"));
310 target_table.push_back (TargetEntry ("text/uri-list"));
311 target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
313 track_canvas->drag_dest_set (target_table);
314 track_canvas->signal_drag_data_received().connect (sigc::mem_fun(*this, &Editor::track_canvas_drag_data_received));
316 track_canvas->signal_size_allocate().connect (sigc::mem_fun(*this, &Editor::track_canvas_allocate));
318 ColorsChanged.connect (sigc::mem_fun (*this, &Editor::color_handler));
324 Editor::track_canvas_allocate (Gtk::Allocation alloc)
326 canvas_allocation = alloc;
327 track_canvas_size_allocated ();
331 Editor::track_canvas_size_allocated ()
333 bool height_changed = _canvas_height != canvas_allocation.get_height();
335 _canvas_width = canvas_allocation.get_width();
336 _canvas_height = canvas_allocation.get_height();
339 TrackViewList::iterator i;
341 for (i = track_views.begin(); i != track_views.end(); ++i) {
342 (*i)->clip_to_viewport ();
346 if (height_changed) {
347 if (playhead_cursor) {
348 playhead_cursor->set_length (_canvas_height);
351 for (LocationMarkerMap::iterator i = location_markers.begin(); i != location_markers.end(); ++i) {
352 i->second->canvas_height_set (_canvas_height);
355 vertical_adjustment.set_page_size (_canvas_height);
356 last_trackview_group_vertical_offset = get_trackview_group_vertical_offset ();
357 if ((vertical_adjustment.get_value() + _canvas_height) >= vertical_adjustment.get_upper()) {
359 We're increasing the size of the canvas while the bottom is visible.
360 We scroll down to keep in step with the controls layout.
362 vertical_adjustment.set_value (full_canvas_height - _canvas_height);
366 update_fixed_rulers();
367 redisplay_tempo (false);
368 _summary->set_overlays_dirty ();
370 Resized (); /* EMIT_SIGNAL */
376 Editor::controls_layout_size_request (Requisition* req)
379 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
380 pos += (*i)->effective_height ();
383 gint height = min ((gint) pos, (gint) (physical_screen_height(get_window()) - 600));
385 bool changed = false;
387 gint w = edit_controls_vbox.get_width();
388 if (_group_tabs->is_mapped()) {
389 w += _group_tabs->get_width ();
392 gint width = max (w, controls_layout.get_width());
394 /* don't get too big. the fudge factors here are just guesses */
396 width = min (width, (gint) (physical_screen_width(get_window()) - 300));
398 if ((req->width != width) || (req->height != height)) {
400 controls_layout_size_request_connection.disconnect ();
403 if (req->width != width) {
404 gint vbox_width = edit_controls_vbox.get_width();
405 if (_group_tabs->is_mapped()) {
406 vbox_width += _group_tabs->get_width();
410 /* this one is important: it determines how big the layout thinks it really is, as
411 opposed to what it displays on the screen
413 controls_layout.property_width () = vbox_width;
414 controls_layout.property_width_request () = vbox_width;
416 // time_button_event_box.property_width_request () = vbox_width;
417 // zoom_box.property_width_request () = vbox_width;
420 if (req->height != height) {
421 req->height = height;
422 controls_layout.property_height () = (guint) floor (pos);
423 controls_layout.property_height_request () = height;
427 controls_layout_size_request_connection = controls_layout.signal_size_request().connect (sigc::mem_fun (*this, &Editor::controls_layout_size_request));
429 //cerr << "sizes = " << req->width << " " << edit_controls_vbox.get_width() << " " << controls_layout.get_width() << " " << zoom_box.get_width() << " " << time_button_frame.get_width() << endl;//DEBUG
433 Editor::track_canvas_map_handler (GdkEventAny* /*ev*/)
435 if (current_canvas_cursor) {
436 set_canvas_cursor (current_canvas_cursor);
441 /** This is called when something is dropped onto the track canvas */
443 Editor::track_canvas_drag_data_received (const RefPtr<Gdk::DragContext>& context,
445 const SelectionData& data,
446 guint info, guint time)
448 if (data.get_target() == "regions") {
449 drop_regions (context, x, y, data, info, time);
451 drop_paths (context, x, y, data, info, time);
456 Editor::idle_drop_paths (vector<string> paths, framepos_t frame, double ypos)
458 drop_paths_part_two (paths, frame, ypos);
463 Editor::drop_paths_part_two (const vector<string>& paths, framepos_t frame, double ypos)
465 RouteTimeAxisView* tv;
467 std::pair<TimeAxisView*, int> const tvp = trackview_by_y_position (ypos);
468 if (tvp.first == 0) {
470 /* drop onto canvas background: create new tracks */
474 if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
475 do_import (paths, Editing::ImportDistinctFiles, Editing::ImportAsTrack, SrcBest, frame);
477 do_embed (paths, Editing::ImportDistinctFiles, ImportAsTrack, frame);
480 } else if ((tv = dynamic_cast<RouteTimeAxisView*> (tvp.first)) != 0) {
482 /* check that its an audio track, not a bus */
485 /* select the track, then embed/import */
488 if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
489 do_import (paths, Editing::ImportSerializeFiles, Editing::ImportToTrack, SrcBest, frame);
491 do_embed (paths, Editing::ImportSerializeFiles, ImportToTrack, frame);
498 Editor::drop_paths (const RefPtr<Gdk::DragContext>& context,
500 const SelectionData& data,
501 guint info, guint time)
503 vector<string> paths;
510 if (convert_drop_to_paths (paths, context, x, y, data, info, time) == 0) {
512 /* D-n-D coordinates are window-relative, so convert to "world" coordinates
515 track_canvas->window_to_world (x, y, wx, wy);
517 ev.type = GDK_BUTTON_RELEASE;
521 frame = event_frame (&ev, 0, &cy);
526 /* We are not allowed to call recursive main event loops from within
527 the main event loop with GTK/Quartz. Since import/embed wants
528 to push up a progress dialog, defer all this till we go idle.
530 Glib::signal_idle().connect (sigc::bind (sigc::mem_fun (*this, &Editor::idle_drop_paths), paths, frame, cy));
532 drop_paths_part_two (paths, frame, cy);
536 context->drag_finish (true, false, time);
540 Editor::drop_regions (const RefPtr<Gdk::DragContext>& /*context*/,
541 int /*x*/, int /*y*/,
542 const SelectionData& /*data*/,
543 guint /*info*/, guint /*time*/)
545 _drags->end_grab (0);
549 Editor::maybe_autoscroll (bool allow_horiz, bool allow_vert)
551 framepos_t rightmost_frame = leftmost_frame + current_page_frames();
552 bool startit = false;
554 double const ty = _drags->current_pointer_y() - get_trackview_group_vertical_offset ();
558 if (ty < canvas_timebars_vsize && allow_vert) {
561 } else if (ty > _canvas_height && allow_vert) {
566 if (_drags->current_pointer_frame() > rightmost_frame && allow_horiz) {
567 if (rightmost_frame < max_framepos) {
571 } else if (_drags->current_pointer_frame() < leftmost_frame && allow_horiz) {
572 if (leftmost_frame > 0) {
578 if (autoscroll_active && ((autoscroll_x != last_autoscroll_x) || (autoscroll_y != last_autoscroll_y) || (autoscroll_x == 0 && autoscroll_y == 0))) {
579 stop_canvas_autoscroll ();
582 if (startit && autoscroll_timeout_tag < 0) {
583 start_canvas_autoscroll (autoscroll_x, autoscroll_y);
586 last_autoscroll_x = autoscroll_x;
587 last_autoscroll_y = autoscroll_y;
591 Editor::_autoscroll_canvas (void *arg)
593 return ((Editor *) arg)->autoscroll_canvas ();
597 Editor::autoscroll_canvas ()
599 framepos_t new_frame;
600 framepos_t limit = max_framepos - current_page_frames();
605 if (autoscroll_x_distance != 0) {
607 if (autoscroll_x > 0) {
608 autoscroll_x_distance = (_drags->current_pointer_frame() - (leftmost_frame + current_page_frames())) / 3;
609 } else if (autoscroll_x < 0) {
610 autoscroll_x_distance = (leftmost_frame - _drags->current_pointer_frame()) / 3;
615 if (autoscroll_y_distance != 0) {
616 if (autoscroll_y > 0) {
617 autoscroll_y_distance = (_drags->current_pointer_y() - (get_trackview_group_vertical_offset() + _canvas_height)) / 3;
618 } else if (autoscroll_y < 0) {
620 autoscroll_y_distance = (vertical_adjustment.get_value () - _drags->current_pointer_y()) / 3;
624 if (autoscroll_x < 0) {
625 if (leftmost_frame < autoscroll_x_distance) {
628 new_frame = leftmost_frame - autoscroll_x_distance;
630 } else if (autoscroll_x > 0) {
631 if (leftmost_frame > limit - autoscroll_x_distance) {
634 new_frame = leftmost_frame + autoscroll_x_distance;
637 new_frame = leftmost_frame;
640 double vertical_pos = vertical_adjustment.get_value();
642 if (autoscroll_y < 0) {
644 if (vertical_pos < autoscroll_y_distance) {
647 new_pixel = vertical_pos - autoscroll_y_distance;
650 target_pixel = _drags->current_pointer_y() - autoscroll_y_distance;
651 target_pixel = max (target_pixel, 0.0);
653 } else if (autoscroll_y > 0) {
655 double top_of_bottom_of_canvas = full_canvas_height - _canvas_height;
657 if (vertical_pos > full_canvas_height - autoscroll_y_distance) {
658 new_pixel = full_canvas_height;
660 new_pixel = vertical_pos + autoscroll_y_distance;
663 new_pixel = min (top_of_bottom_of_canvas, new_pixel);
665 target_pixel = _drags->current_pointer_y() + autoscroll_y_distance;
667 /* don't move to the full canvas height because the item will be invisible
668 (its top edge will line up with the bottom of the visible canvas.
671 target_pixel = min (target_pixel, full_canvas_height - 10);
674 target_pixel = _drags->current_pointer_y();
675 new_pixel = vertical_pos;
678 if ((new_frame == 0 || new_frame == limit) && (new_pixel == 0 || new_pixel == DBL_MAX)) {
683 if (new_frame != leftmost_frame) {
684 reset_x_origin (new_frame);
687 vertical_adjustment.set_value (new_pixel);
691 Glib::RefPtr<Gdk::Window> canvas_window = const_cast<Editor*>(this)->track_canvas->get_window();
693 Gdk::ModifierType mask;
694 canvas_window->get_pointer (x, y, mask);
695 ev.type = GDK_MOTION_NOTIFY;
696 ev.state = Gdk::BUTTON1_MASK;
700 motion_handler (0, (GdkEvent*) &ev, true);
704 if (autoscroll_cnt == 1) {
706 /* connect the timeout so that we get called repeatedly */
708 autoscroll_timeout_tag = g_idle_add ( _autoscroll_canvas, this);
717 Editor::start_canvas_autoscroll (int dx, int dy)
719 if (!_session || autoscroll_active) {
723 stop_canvas_autoscroll ();
725 autoscroll_active = true;
728 autoscroll_x_distance = (framepos_t) floor (current_page_frames()/50.0);
729 autoscroll_y_distance = fabs (dy * 5); /* pixels */
732 /* do it right now, which will start the repeated callbacks */
734 autoscroll_canvas ();
738 Editor::stop_canvas_autoscroll ()
740 if (autoscroll_timeout_tag >= 0) {
741 g_source_remove (autoscroll_timeout_tag);
742 autoscroll_timeout_tag = -1;
745 autoscroll_active = false;
749 Editor::left_track_canvas (GdkEventCrossing */*ev*/)
752 set_entered_track (0);
753 set_entered_regionview (0);
754 reset_canvas_action_sensitivity (false);
759 Editor::entered_track_canvas (GdkEventCrossing */*ev*/)
761 reset_canvas_action_sensitivity (true);
766 Editor::tie_vertical_scrolling ()
768 scroll_canvas_vertically ();
770 /* this will do an immediate redraw */
772 controls_layout.get_vadjustment()->set_value (vertical_adjustment.get_value());
774 if (pending_visual_change.idle_handler_id < 0) {
775 _summary->set_overlays_dirty ();
780 Editor::set_horizontal_position (double p)
782 /* horizontal scrolling only */
783 double x1, y1, x2, y2, x_delta;
784 _master_group->get_bounds (x1, y1, x2, y2);
786 x_delta = - (x1 + p);
788 _master_group->move (x_delta, 0);
789 timebar_group->move (x_delta, 0);
790 time_line_group->move (x_delta, 0);
791 cursor_group->move (x_delta, 0);
793 leftmost_frame = (framepos_t) floor (p * frames_per_unit);
795 update_fixed_rulers ();
796 redisplay_tempo (true);
798 if (pending_visual_change.idle_handler_id < 0) {
799 _summary->set_overlays_dirty ();
802 HorizontalPositionChanged (); /* EMIT SIGNAL */
805 if (!autoscroll_active && !_stationary_playhead) {
806 /* force rulers and canvas to move in lock step */
807 while (gtk_events_pending ()) {
808 gtk_main_iteration ();
816 Editor::scroll_canvas_vertically ()
818 /* vertical scrolling only */
822 y_delta = last_trackview_group_vertical_offset - get_trackview_group_vertical_offset ();
823 _trackview_group->move (0, y_delta);
824 _background_group->move (0, y_delta);
826 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
827 (*i)->clip_to_viewport ();
829 last_trackview_group_vertical_offset = get_trackview_group_vertical_offset ();
830 /* required to keep the controls_layout in lock step with the canvas group */
831 update_canvas_now ();
835 Editor::color_handler()
837 playhead_cursor->canvas_item.property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_PlayHead.get();
838 verbose_canvas_cursor->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_VerboseCanvasCursor.get();
840 meter_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MeterBar.get();
841 meter_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
843 tempo_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TempoBar.get();
844 tempo_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
846 marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBar.get();
847 marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
849 cd_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_CDMarkerBar.get();
850 cd_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
852 range_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeMarkerBar.get();
853 range_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
855 transport_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportMarkerBar.get();
856 transport_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
858 cd_marker_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
859 cd_marker_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
861 range_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
862 range_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
864 transport_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportDragRect.get();
865 transport_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportDragRect.get();
867 transport_loop_range_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportLoopRect.get();
868 transport_loop_range_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportLoopRect.get();
870 transport_punch_range_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportPunchRect.get();
871 transport_punch_range_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportPunchRect.get();
873 transport_punchin_line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_PunchLine.get();
874 transport_punchout_line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_PunchLine.get();
876 zoom_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_ZoomRect.get();
877 zoom_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_ZoomRect.get();
879 rubberband_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RubberBandRect.get();
880 rubberband_rect->property_fill_color_rgba() = (guint32) ARDOUR_UI::config()->canvasvar_RubberBandRect.get();
882 location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
883 location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
884 location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
885 location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
886 location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
888 refresh_location_display ();
890 redisplay_tempo (true);
893 _session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks); // redraw metric markers
898 Editor::flush_canvas ()
901 update_canvas_now ();
902 // gdk_window_process_updates (GTK_LAYOUT(track_canvas->gobj())->bin_window, true);
907 Editor::update_canvas_now ()
909 /* GnomeCanvas has a bug whereby if its idle handler is not scheduled between
910 two calls to update_now, an assert will trip. This wrapper works around
911 that problem by only calling update_now if the assert will not trip.
913 I think the GC bug is due to the fact that its code will reset need_update
914 and need_redraw to FALSE without checking to see if an idle handler is scheduled.
915 If one is scheduled, GC should probably remove it.
918 GnomeCanvas* c = track_canvas->gobj ();
919 if (c->need_update || c->need_redraw) {
920 track_canvas->update_now ();
925 Editor::horizontal_position () const
927 return frame_to_unit (leftmost_frame);
930 Editor::set_canvas_cursor (Gdk::Cursor* cursor, bool save)
933 current_canvas_cursor = cursor;
937 track_canvas->get_window()->set_cursor (*cursor);
942 Editor::track_canvas_key_press (GdkEventKey* event)
944 /* XXX: event does not report the modifier key pressed down, AFAICS, so use the Keyboard object instead */
945 if (mouse_mode == Editing::MouseZoom && Keyboard::the_keyboard().key_is_down (GDK_Control_L)) {
946 set_canvas_cursor (_cursors->zoom_out);
953 Editor::track_canvas_key_release (GdkEventKey* event)
955 if (mouse_mode == Editing::MouseZoom && !Keyboard::the_keyboard().key_is_down (GDK_Control_L)) {
956 set_canvas_cursor (_cursors->zoom_in);