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;
51 using namespace Gtkmm2ext;
52 using namespace Editing;
54 /* XXX this is a hack. it ought to be the maximum value of an jack_nframes_t */
56 const double max_canvas_coordinate = (double) JACK_MAX_FRAMES;
61 GType gnome_canvas_simpleline_get_type(void);
62 GType gnome_canvas_simplerect_get_type(void);
63 GType gnome_canvas_waveview_get_type(void);
64 GType gnome_canvas_imageframe_get_type(void);
68 static void ardour_canvas_type_init()
70 // Map gtypes to gtkmm wrapper-creation functions:
72 Glib::wrap_register(gnome_canvas_simpleline_get_type(), &Gnome::Canvas::SimpleLine_Class::wrap_new);
73 Glib::wrap_register(gnome_canvas_simplerect_get_type(), &Gnome::Canvas::SimpleRect_Class::wrap_new);
74 Glib::wrap_register(gnome_canvas_waveview_get_type(), &Gnome::Canvas::WaveView_Class::wrap_new);
75 Glib::wrap_register(gnome_canvas_imageframe_get_type(), &Gnome::Canvas::ImageFrame_Class::wrap_new);
77 // Register the gtkmm gtypes:
79 (void) Gnome::Canvas::WaveView::get_type();
80 (void) Gnome::Canvas::SimpleLine::get_type();
81 (void) Gnome::Canvas::SimpleRect::get_type();
82 (void) Gnome::Canvas::ImageFrame::get_type();
86 Editor::initialize_canvas ()
88 ArdourCanvas::init ();
89 ardour_canvas_type_init ();
91 /* don't try to center the canvas */
93 track_canvas.set_center_scroll_region (false);
95 track_canvas.signal_event().connect (bind (mem_fun (*this, &Editor::track_canvas_event), (ArdourCanvas::Item*) 0));
96 track_canvas.set_name ("EditorMainCanvas");
97 track_canvas.add_events (Gdk::POINTER_MOTION_HINT_MASK|Gdk::SCROLL_MASK);
98 track_canvas.signal_leave_notify_event().connect (mem_fun(*this, &Editor::left_track_canvas));
99 track_canvas.set_flags (CAN_FOCUS);
101 /* set up drag-n-drop */
103 vector<TargetEntry> target_table;
105 // Drag-N-Drop from the region list can generate this target
106 target_table.push_back (TargetEntry ("regions"));
108 target_table.push_back (TargetEntry ("text/plain"));
109 target_table.push_back (TargetEntry ("text/uri-list"));
110 target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
112 track_canvas.drag_dest_set (target_table);
113 track_canvas.signal_drag_data_received().connect (mem_fun(*this, &Editor::track_canvas_drag_data_received));
115 /* stuff for the verbose canvas cursor */
117 Pango::FontDescription font = get_font_for_style (N_("VerboseCanvasCursor"));
119 verbose_canvas_cursor = new ArdourCanvas::Text (*track_canvas.root());
120 verbose_canvas_cursor->property_font_desc() = font;
121 verbose_canvas_cursor->property_anchor() = ANCHOR_NW;
122 verbose_canvas_cursor->property_fill_color_rgba() = color_map[cVerboseCanvasCursor];
124 verbose_cursor_visible = false;
126 /* a group to hold time (measure) lines */
128 time_line_group = new ArdourCanvas::Group (*track_canvas.root(), 0.0, 0.0);
129 cursor_group = new ArdourCanvas::Group (*track_canvas.root(), 0.0, 0.0);
131 time_canvas.set_name ("EditorTimeCanvas");
132 time_canvas.add_events (Gdk::POINTER_MOTION_HINT_MASK);
133 time_canvas.set_flags (CAN_FOCUS);
134 time_canvas.set_center_scroll_region (false);
136 meter_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, 0.0);
137 tempo_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height);
138 marker_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height * 2.0);
139 range_marker_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height * 3.0);
140 transport_marker_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height * 4.0);
142 tempo_bar = new ArdourCanvas::SimpleRect (*tempo_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
143 tempo_bar->property_fill_color_rgba() = color_map[cTempoBar];
144 tempo_bar->property_outline_pixels() = 0;
146 meter_bar = new ArdourCanvas::SimpleRect (*meter_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
147 meter_bar->property_fill_color_rgba() = color_map[cMeterBar];
148 meter_bar->property_outline_pixels() = 0;
150 marker_bar = new ArdourCanvas::SimpleRect (*marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
151 marker_bar->property_fill_color_rgba() = color_map[cMarkerBar];
152 marker_bar->property_outline_pixels() = 0;
154 range_marker_bar = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
155 range_marker_bar->property_fill_color_rgba() = color_map[cRangeMarkerBar];
156 range_marker_bar->property_outline_pixels() = 0;
158 transport_marker_bar = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
159 transport_marker_bar->property_fill_color_rgba() = color_map[cTransportMarkerBar];
160 transport_marker_bar->property_outline_pixels() = 0;
162 range_bar_drag_rect = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
163 range_bar_drag_rect->property_fill_color_rgba() = color_map[cRangeDragBarRectFill];
164 range_bar_drag_rect->property_outline_color_rgba() = color_map[cRangeDragBarRect];
165 range_bar_drag_rect->property_outline_pixels() = 0;
166 range_bar_drag_rect->hide ();
168 transport_bar_drag_rect = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
169 transport_bar_drag_rect ->property_fill_color_rgba() = color_map[cTransportDragRectFill];
170 transport_bar_drag_rect->property_outline_color_rgba() = color_map[cTransportDragRect];
171 transport_bar_drag_rect->property_outline_pixels() = 0;
172 transport_bar_drag_rect->hide ();
174 marker_drag_line_points.push_back(Gnome::Art::Point(0.0, 0.0));
175 marker_drag_line_points.push_back(Gnome::Art::Point(0.0, 0.0));
177 marker_drag_line = new ArdourCanvas::Line (*track_canvas.root());
178 marker_drag_line->property_width_pixels() = 1;
179 marker_drag_line->property_fill_color_rgba() = color_map[cMarkerDragLine];
180 marker_drag_line->property_points() = marker_drag_line_points;
181 marker_drag_line->hide();
183 range_marker_drag_rect = new ArdourCanvas::SimpleRect (*track_canvas.root(), 0.0, 0.0, 0.0, 0.0);
184 range_marker_drag_rect->property_fill_color_rgba() = color_map[cRangeDragRectFill];
185 range_marker_drag_rect->property_outline_color_rgba() = color_map[cRangeDragRect];
186 range_marker_drag_rect->hide ();
188 transport_loop_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, 0.0);
189 transport_loop_range_rect->property_fill_color_rgba() = color_map[cTransportLoopRectFill];
190 transport_loop_range_rect->property_outline_color_rgba() = color_map[cTransportLoopRect];
191 transport_loop_range_rect->property_outline_pixels() = 1;
192 transport_loop_range_rect->hide();
194 transport_punch_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, 0.0);
195 transport_punch_range_rect->property_fill_color_rgba() = color_map[cTransportPunchRectFill];
196 transport_punch_range_rect->property_outline_color_rgba() = color_map[cTransportPunchRect];
197 transport_punch_range_rect->property_outline_pixels() = 0;
198 transport_punch_range_rect->hide();
200 transport_loop_range_rect->lower_to_bottom (); // loop on the bottom
202 transport_punchin_line = new ArdourCanvas::SimpleLine (*time_line_group);
203 transport_punchin_line->property_x1() = 0.0;
204 transport_punchin_line->property_y1() = 0.0;
205 transport_punchin_line->property_x2() = 0.0;
206 transport_punchin_line->property_y2() = 0.0;
207 transport_punchin_line->property_color_rgba() = color_map[cPunchInLine];
208 transport_punchin_line->hide ();
210 transport_punchout_line = new ArdourCanvas::SimpleLine (*time_line_group);
211 transport_punchout_line->property_x1() = 0.0;
212 transport_punchout_line->property_y1() = 0.0;
213 transport_punchout_line->property_x2() = 0.0;
214 transport_punchout_line->property_y2() = 0.0;
215 transport_punchout_line->property_color_rgba() = color_map[cPunchOutLine];
216 transport_punchout_line->hide();
218 // used to show zoom mode active zooming
219 zoom_rect = new ArdourCanvas::SimpleRect (*track_canvas.root(), 0.0, 0.0, 0.0, 0.0);
220 zoom_rect->property_fill_color_rgba() = color_map[cZoomRectFill];
221 zoom_rect->property_outline_color_rgba() = color_map[cZoomRect];
222 zoom_rect->property_outline_pixels() = 1;
225 zoom_rect->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_zoom_rect_event), (ArdourCanvas::Item*) 0));
227 // used as rubberband rect
228 rubberband_rect = new ArdourCanvas::SimpleRect (*track_canvas.root(), 0.0, 0.0, 0.0, 0.0);
229 rubberband_rect->property_outline_color_rgba() = color_map[cRubberBandRect];
230 rubberband_rect->property_fill_color_rgba() = (guint32) color_map[cRubberBandRectFill];
231 rubberband_rect->property_outline_pixels() = 1;
232 rubberband_rect->hide();
234 tempo_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_tempo_bar_event), tempo_bar));
235 meter_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_meter_bar_event), meter_bar));
236 marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_marker_bar_event), marker_bar));
237 range_marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_range_marker_bar_event), range_marker_bar));
238 transport_marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_transport_marker_bar_event), transport_marker_bar));
240 /* separator lines */
242 tempo_line = new ArdourCanvas::SimpleLine (*tempo_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
243 tempo_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
245 meter_line = new ArdourCanvas::SimpleLine (*meter_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
246 meter_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
248 marker_line = new ArdourCanvas::SimpleLine (*marker_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
249 marker_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
251 range_marker_line = new ArdourCanvas::SimpleLine (*range_marker_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
252 range_marker_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
254 transport_marker_line = new ArdourCanvas::SimpleLine (*transport_marker_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
255 transport_marker_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
257 ZoomChanged.connect (bind (mem_fun(*this, &Editor::update_loop_range_view), false));
258 ZoomChanged.connect (bind (mem_fun(*this, &Editor::update_punch_range_view), false));
260 double time_height = timebar_height * 5;
261 double time_width = FLT_MAX/frames_per_unit;
262 time_canvas.set_scroll_region(0.0, 0.0, time_width, time_height);
264 edit_cursor = new Cursor (*this, "blue", &Editor::canvas_edit_cursor_event);
265 playhead_cursor = new Cursor (*this, "red", &Editor::canvas_playhead_cursor_event);
267 track_canvas.signal_size_allocate().connect (mem_fun(*this, &Editor::track_canvas_allocate));
271 Editor::track_canvas_allocate (Gtk::Allocation alloc)
273 static bool first_time = true;
275 canvas_width = alloc.get_width();
276 canvas_height = alloc.get_height();
278 zoom_range_clock.set ((jack_nframes_t) floor ((canvas_width * frames_per_unit)));
279 edit_cursor->set_position (edit_cursor->current_frame);
280 playhead_cursor->set_position (playhead_cursor->current_frame);
282 reset_hscrollbar_stepping ();
283 reset_scrolling_region ();
285 if (edit_cursor) edit_cursor->set_length (canvas_height);
286 if (playhead_cursor) playhead_cursor->set_length (canvas_height);
288 if (marker_drag_line) {
289 marker_drag_line_points.back().set_x(canvas_height);
290 marker_drag_line->property_points() = marker_drag_line_points;
293 if (range_marker_drag_rect) {
294 range_marker_drag_rect->property_y1() = 0.0;
295 range_marker_drag_rect->property_y2() = canvas_height;
298 if (transport_loop_range_rect) {
299 transport_loop_range_rect->property_y1() = 0.0;
300 transport_loop_range_rect->property_y2() = canvas_height;
303 if (transport_punch_range_rect) {
304 transport_punch_range_rect->property_y1() = 0.0;
305 transport_punch_range_rect->property_y2() = canvas_height;
308 if (transport_punchin_line) {
309 transport_punchin_line->property_y1() = 0.0;
310 transport_punchin_line->property_y2() = canvas_height;
313 if (transport_punchout_line) {
314 transport_punchout_line->property_y1() = 0.0;
315 transport_punchout_line->property_y2() = canvas_height;
318 update_fixed_rulers ();
320 if (is_visible() && first_time) {
321 tempo_map_changed (Change (0));
327 Resized (); /* EMIT_SIGNAL */
331 Editor::reset_scrolling_region (Gtk::Allocation* alloc)
333 TreeModel::Children rows = route_display_model->children();
334 TreeModel::Children::iterator i;
337 for (pos = 0, i = rows.begin(); i != rows.end(); ++i) {
338 TimeAxisView *tv = (*i)[route_display_columns.tv];
339 if (tv != 0 && !tv->hidden()) {
340 pos += tv->effective_height;
341 pos += track_spacing;
345 double last_canvas_unit = last_canvas_frame / frames_per_unit;
347 track_canvas.set_scroll_region (0.0, 0.0, max (last_canvas_unit, canvas_width), pos);
349 // XXX what is the correct height value for the time canvas ? this overstates it
350 time_canvas.set_scroll_region ( 0.0, 0.0, max (last_canvas_unit, canvas_width), canvas_height);
352 controls_layout.queue_resize();
356 Editor::controls_layout_size_request (Requisition* req)
358 TreeModel::Children rows = route_display_model->children();
359 TreeModel::Children::iterator i;
362 for (pos = 0, i = rows.begin(); i != rows.end(); ++i) {
363 TimeAxisView *tv = (*i)[route_display_columns.tv];
365 pos += tv->effective_height;
366 pos += track_spacing;
370 RefPtr<Gdk::Screen> screen = get_screen();
373 screen = Gdk::Screen::get_default();
376 /* never let the width of the controls area shrink horizontally */
378 edit_controls_vbox.check_resize();
380 req->width = max (edit_controls_vbox.get_width(), controls_layout.get_width());
382 /* don't get too big. the fudge factors here are just guesses */
384 req->width = min (req->width, screen->get_width() - 300);
385 req->height = min ((gint) pos, (screen->get_height() - 400));
387 /* this one is important: it determines how big the layout thinks it really is, as
388 opposed to what it displays on the screen
391 controls_layout.set_size (req->width, (gint) pos);
395 Editor::track_canvas_map_handler (GdkEventAny* ev)
397 track_canvas.get_window()->set_cursor (*current_canvas_cursor);
402 Editor::time_canvas_map_handler (GdkEventAny* ev)
404 time_canvas.get_window()->set_cursor (*timebar_cursor);
409 Editor::track_canvas_drag_data_received (const RefPtr<Gdk::DragContext>& context,
411 const SelectionData& data,
412 guint info, guint time)
414 if (data.get_target() == "regions") {
415 drop_regions (context, x, y, data, info, time);
417 drop_paths (context, x, y, data, info, time);
422 Editor::drop_paths (const RefPtr<Gdk::DragContext>& context,
424 const SelectionData& data,
425 guint info, guint time)
428 AudioTimeAxisView* tv;
430 vector<ustring> paths;
433 jack_nframes_t frame;
435 if (convert_drop_to_paths (paths, context, x, y, data, info, time)) {
439 /* D-n-D coordinates are window-relative, so convert to "world" coordinates
445 track_canvas.window_to_world (x, y, wx, wy);
446 wx += horizontal_adjustment.get_value();
447 wy += vertical_adjustment.get_value();
449 ev.type = GDK_BUTTON_RELEASE;
453 frame = event_frame (&ev, 0, &cy);
457 if ((tvp = trackview_by_y_position (cy)) == 0) {
459 /* drop onto canvas background: create new tracks */
461 jack_nframes_t pos = 0;
462 do_embed (paths, false, ImportAsTrack, 0, pos, false);
464 } else if ((tv = dynamic_cast<AudioTimeAxisView*>(tvp)) != 0) {
466 /* check that its an audio track, not a bus */
468 if (tv->get_diskstream()) {
469 do_embed (paths, false, ImportToTrack, tv->audio_track(), frame, true);
474 context->drag_finish (true, false, time);
478 Editor::drop_regions (const RefPtr<Gdk::DragContext>& context,
480 const SelectionData& data,
481 guint info, guint time)
483 const DnDTreeView::SerializedObjectPointers* sr = reinterpret_cast<const DnDTreeView::SerializedObjectPointers*> (data.get_data());
485 for (uint32_t i = 0; i < sr->cnt; ++i) {
487 Region* r = reinterpret_cast<Region*> (sr->ptr[i]);
490 if ((ar = dynamic_cast<AudioRegion*>(r)) != 0) {
491 insert_region_list_drag (*ar, x, y);
495 context->drag_finish (true, false, time);