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>
24 #include <ardour/audioregion.h>
26 #include "ardour_ui.h"
29 #include "simplerect.h"
30 #include "simpleline.h"
31 #include "imageframe.h"
32 #include "waveview_p.h"
33 #include "simplerect_p.h"
34 #include "simpleline_p.h"
35 #include "imageframe_p.h"
36 #include "canvas_impl.h"
38 #include "rgb_macros.h"
40 #include "time_axis_view.h"
41 #include "audio_time_axis.h"
47 using namespace ARDOUR;
50 using namespace Gtkmm2ext;
51 using namespace Editing;
53 /* XXX this is a hack. it ought to be the maximum value of an jack_nframes_t */
55 const double max_canvas_coordinate = (double) JACK_MAX_FRAMES;
60 GType gnome_canvas_simpleline_get_type(void);
61 GType gnome_canvas_simplerect_get_type(void);
62 GType gnome_canvas_waveview_get_type(void);
63 GType gnome_canvas_imageframe_get_type(void);
67 static void ardour_canvas_type_init()
69 // Map gtypes to gtkmm wrapper-creation functions:
71 Glib::wrap_register(gnome_canvas_simpleline_get_type(), &Gnome::Canvas::SimpleLine_Class::wrap_new);
72 Glib::wrap_register(gnome_canvas_simplerect_get_type(), &Gnome::Canvas::SimpleRect_Class::wrap_new);
73 Glib::wrap_register(gnome_canvas_waveview_get_type(), &Gnome::Canvas::WaveView_Class::wrap_new);
74 Glib::wrap_register(gnome_canvas_imageframe_get_type(), &Gnome::Canvas::ImageFrame_Class::wrap_new);
76 // Register the gtkmm gtypes:
78 (void) Gnome::Canvas::WaveView::get_type();
79 (void) Gnome::Canvas::SimpleLine::get_type();
80 (void) Gnome::Canvas::SimpleRect::get_type();
81 (void) Gnome::Canvas::ImageFrame::get_type();
85 Editor::initialize_canvas ()
87 ArdourCanvas::init ();
88 ardour_canvas_type_init ();
90 /* don't try to center the canvas */
92 track_canvas.set_center_scroll_region (false);
94 track_canvas.signal_event().connect (bind (mem_fun (*this, &Editor::track_canvas_event), (ArdourCanvas::Item*) 0));
95 track_canvas.set_name ("EditorMainCanvas");
96 track_canvas.add_events (Gdk::POINTER_MOTION_HINT_MASK|Gdk::SCROLL_MASK);
97 track_canvas.signal_leave_notify_event().connect (mem_fun(*this, &Editor::left_track_canvas));
98 track_canvas.set_flags (CAN_FOCUS);
100 /* set up drag-n-drop */
102 vector<TargetEntry> target_table;
104 // Drag-N-Drop from the region list can generate this target
105 target_table.push_back (TargetEntry ("regions"));
107 target_table.push_back (TargetEntry ("text/plain"));
108 target_table.push_back (TargetEntry ("text/uri-list"));
109 target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
111 track_canvas.drag_dest_set (target_table);
112 track_canvas.signal_drag_data_received().connect (mem_fun(*this, &Editor::track_canvas_drag_data_received));
114 /* stuff for the verbose canvas cursor */
116 Pango::FontDescription font = get_font_for_style (N_("VerboseCanvasCursor"));
118 verbose_canvas_cursor = new ArdourCanvas::Text (*track_canvas.root());
119 verbose_canvas_cursor->property_font_desc() = font;
120 verbose_canvas_cursor->property_anchor() = ANCHOR_NW;
121 verbose_canvas_cursor->property_fill_color_rgba() = color_map[cVerboseCanvasCursor];
123 verbose_cursor_visible = false;
125 /* a group to hold time (measure) lines */
127 time_line_group = new ArdourCanvas::Group (*track_canvas.root(), 0.0, 0.0);
128 cursor_group = new ArdourCanvas::Group (*track_canvas.root(), 0.0, 0.0);
130 time_canvas.set_name ("EditorTimeCanvas");
131 time_canvas.add_events (Gdk::POINTER_MOTION_HINT_MASK);
132 time_canvas.set_flags (CAN_FOCUS);
134 meter_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, 0.0);
135 tempo_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height);
136 marker_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height * 2.0);
137 range_marker_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height * 3.0);
138 transport_marker_group = new ArdourCanvas::Group (*time_canvas.root(), 0.0, timebar_height * 4.0);
140 tempo_bar = new ArdourCanvas::SimpleRect (*tempo_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
141 tempo_bar->property_fill_color_rgba() = color_map[cTempoBar];
142 tempo_bar->property_outline_pixels() = 0;
144 meter_bar = new ArdourCanvas::SimpleRect (*meter_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
145 meter_bar->property_fill_color_rgba() = color_map[cMeterBar];
146 meter_bar->property_outline_pixels() = 0;
148 marker_bar = new ArdourCanvas::SimpleRect (*marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
149 marker_bar->property_fill_color_rgba() = color_map[cMarkerBar];
150 marker_bar->property_outline_pixels() = 0;
152 range_marker_bar = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
153 range_marker_bar->property_fill_color_rgba() = color_map[cRangeMarkerBar];
154 range_marker_bar->property_outline_pixels() = 0;
156 transport_marker_bar = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
157 transport_marker_bar->property_fill_color_rgba() = color_map[cTransportMarkerBar];
158 transport_marker_bar->property_outline_pixels() = 0;
160 range_bar_drag_rect = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
161 range_bar_drag_rect->property_fill_color_rgba() = color_map[cRangeDragBarRectFill];
162 range_bar_drag_rect->property_outline_color_rgba() = color_map[cRangeDragBarRect];
163 range_bar_drag_rect->property_outline_pixels() = 0;
164 range_bar_drag_rect->hide ();
166 transport_bar_drag_rect = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height);
167 transport_bar_drag_rect ->property_fill_color_rgba() = color_map[cTransportDragRectFill];
168 transport_bar_drag_rect->property_outline_color_rgba() = color_map[cTransportDragRect];
169 transport_bar_drag_rect->property_outline_pixels() = 0;
170 transport_bar_drag_rect->hide ();
172 marker_drag_line_points.push_back(Gnome::Art::Point(0.0, 0.0));
173 marker_drag_line_points.push_back(Gnome::Art::Point(0.0, 0.0));
175 marker_drag_line = new ArdourCanvas::Line (*track_canvas.root());
176 marker_drag_line->property_width_pixels() = 1;
177 marker_drag_line->property_fill_color_rgba() = color_map[cMarkerDragLine];
178 marker_drag_line->property_points() = marker_drag_line_points;
179 marker_drag_line->hide();
181 range_marker_drag_rect = new ArdourCanvas::SimpleRect (*track_canvas.root(), 0.0, 0.0, 0.0, 0.0);
182 range_marker_drag_rect->property_fill_color_rgba() = color_map[cRangeDragRectFill];
183 range_marker_drag_rect->property_outline_color_rgba() = color_map[cRangeDragRect];
184 range_marker_drag_rect->hide ();
186 transport_loop_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, 0.0);
187 transport_loop_range_rect->property_fill_color_rgba() = color_map[cTransportLoopRectFill];
188 transport_loop_range_rect->property_outline_color_rgba() = color_map[cTransportLoopRect];
189 transport_loop_range_rect->property_outline_pixels() = 1;
190 transport_loop_range_rect->hide();
192 transport_punch_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, 0.0);
193 transport_punch_range_rect->property_fill_color_rgba() = color_map[cTransportPunchRectFill];
194 transport_punch_range_rect->property_outline_color_rgba() = color_map[cTransportPunchRect];
195 transport_punch_range_rect->property_outline_pixels() = 0;
196 transport_punch_range_rect->hide();
198 transport_loop_range_rect->lower_to_bottom (); // loop on the bottom
200 transport_punchin_line = new ArdourCanvas::SimpleLine (*time_line_group);
201 transport_punchin_line->property_x1() = 0.0;
202 transport_punchin_line->property_y1() = 0.0;
203 transport_punchin_line->property_x2() = 0.0;
204 transport_punchin_line->property_y2() = 0.0;
205 transport_punchin_line->property_color_rgba() = color_map[cPunchInLine];
206 transport_punchin_line->hide ();
208 transport_punchout_line = new ArdourCanvas::SimpleLine (*time_line_group);
209 transport_punchout_line->property_x1() = 0.0;
210 transport_punchout_line->property_y1() = 0.0;
211 transport_punchout_line->property_x2() = 0.0;
212 transport_punchout_line->property_y2() = 0.0;
213 transport_punchout_line->property_color_rgba() = color_map[cPunchOutLine];
214 transport_punchout_line->hide();
216 // used to show zoom mode active zooming
217 zoom_rect = new ArdourCanvas::SimpleRect (*track_canvas.root(), 0.0, 0.0, 0.0, 0.0);
218 zoom_rect->property_fill_color_rgba() = color_map[cZoomRectFill];
219 zoom_rect->property_outline_color_rgba() = color_map[cZoomRect];
220 zoom_rect->property_outline_pixels() = 1;
223 zoom_rect->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_zoom_rect_event), (ArdourCanvas::Item*) 0));
225 // used as rubberband rect
226 rubberband_rect = new ArdourCanvas::SimpleRect (*track_canvas.root(), 0.0, 0.0, 0.0, 0.0);
227 rubberband_rect->property_outline_color_rgba() = color_map[cRubberBandRect];
228 rubberband_rect->property_fill_color_rgba() = (guint32) color_map[cRubberBandRectFill];
229 rubberband_rect->property_outline_pixels() = 1;
230 rubberband_rect->hide();
232 tempo_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_tempo_bar_event), tempo_bar));
233 meter_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_meter_bar_event), meter_bar));
234 marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_marker_bar_event), marker_bar));
235 range_marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_range_marker_bar_event), range_marker_bar));
236 transport_marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_transport_marker_bar_event), transport_marker_bar));
238 /* separator lines */
240 tempo_line = new ArdourCanvas::SimpleLine (*tempo_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
241 tempo_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
243 meter_line = new ArdourCanvas::SimpleLine (*meter_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
244 meter_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
246 marker_line = new ArdourCanvas::SimpleLine (*marker_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
247 marker_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
249 range_marker_line = new ArdourCanvas::SimpleLine (*range_marker_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
250 range_marker_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
252 transport_marker_line = new ArdourCanvas::SimpleLine (*transport_marker_group, 0, timebar_height, max_canvas_coordinate, timebar_height);
253 transport_marker_line->property_color_rgba() = RGBA_TO_UINT (0,0,0,255);
255 ZoomChanged.connect (bind (mem_fun(*this, &Editor::update_loop_range_view), false));
256 ZoomChanged.connect (bind (mem_fun(*this, &Editor::update_punch_range_view), false));
258 double time_height = timebar_height * 5;
259 double time_width = FLT_MAX/frames_per_unit;
260 time_canvas.set_scroll_region(0.0, 0.0, time_width, time_height);
262 edit_cursor = new Cursor (*this, "blue", &Editor::canvas_edit_cursor_event);
263 playhead_cursor = new Cursor (*this, "red", &Editor::canvas_playhead_cursor_event);
265 track_canvas.signal_size_allocate().connect (mem_fun(*this, &Editor::track_canvas_allocate));
269 Editor::track_canvas_allocate (Gtk::Allocation alloc)
271 static bool first_time = true;
273 canvas_width = alloc.get_width();
274 canvas_height = alloc.get_height();
276 if (session == 0 && !ARDOUR_UI::instance()->will_create_new_session_automatically()) {
278 /* this mess of code is here to find out how wide this text is and
279 position the message in the center of the editor window.
285 ustring msg = string_compose ("<span face=\"sans\" style=\"normal\" weight=\"bold\" size=\"x-large\">%1%2</span>",
286 _("Start a new session\n"), _("via Session menu"));
288 RefPtr<Pango::Layout> layout = create_pango_layout (msg);
289 Pango::FontDescription font = get_font_for_style (N_("FirstActionMessage"));
290 layout->get_pixel_size (pixel_width, pixel_height);
292 if (first_action_message == 0) {
294 first_action_message = new ArdourCanvas::Text (*track_canvas.root());
295 first_action_message->property_font_desc() = font;
296 first_action_message->property_fill_color_rgba() = color_map[cFirstActionMessage];
297 first_action_message->property_x() = (canvas_width - pixel_width) / 2.0;
298 first_action_message->property_y() = (canvas_height/2.0) - pixel_height;
299 first_action_message->property_anchor() = ANCHOR_NORTH_WEST;
300 first_action_message->property_markup() = msg;
305 first_action_message->property_x() = (canvas_width - pixel_width) / 2.0;
306 first_action_message->property_y() = (canvas_height/2.0) - pixel_height;
310 zoom_range_clock.set ((jack_nframes_t) floor ((canvas_width * frames_per_unit)));
311 edit_cursor->set_position (edit_cursor->current_frame);
312 playhead_cursor->set_position (playhead_cursor->current_frame);
314 reset_scrolling_region ();
316 if (edit_cursor) edit_cursor->set_length (canvas_height);
317 if (playhead_cursor) playhead_cursor->set_length (canvas_height);
319 if (marker_drag_line) {
320 marker_drag_line_points.back().set_x(canvas_height);
321 marker_drag_line->property_points() = marker_drag_line_points;
324 if (range_marker_drag_rect) {
325 range_marker_drag_rect->property_y1() = 0.0;
326 range_marker_drag_rect->property_y2() = canvas_height;
329 if (transport_loop_range_rect) {
330 transport_loop_range_rect->property_y1() = 0.0;
331 transport_loop_range_rect->property_y2() = canvas_height;
334 if (transport_punch_range_rect) {
335 transport_punch_range_rect->property_y1() = 0.0;
336 transport_punch_range_rect->property_y2() = canvas_height;
339 if (transport_punchin_line) {
340 transport_punchin_line->property_y1() = 0.0;
341 transport_punchin_line->property_y2() = canvas_height;
344 if (transport_punchout_line) {
345 transport_punchout_line->property_y1() = 0.0;
346 transport_punchout_line->property_y2() = canvas_height;
349 update_fixed_rulers ();
351 if (is_visible() && first_time) {
352 tempo_map_changed (Change (0));
358 Resized (); /* EMIT_SIGNAL */
362 Editor::reset_scrolling_region (Gtk::Allocation* alloc)
364 TreeModel::Children rows = route_display_model->children();
365 TreeModel::Children::iterator i;
368 for (pos = 0, i = rows.begin(); i != rows.end(); ++i) {
369 TimeAxisView *tv = (*i)[route_display_columns.tv];
371 pos += tv->effective_height;
372 pos += track_spacing;
376 double last_canvas_unit = ceil ((double) max_frames / frames_per_unit);
377 track_canvas.set_scroll_region (0.0, 0.0, max (last_canvas_unit, canvas_width), pos);
379 // XXX what is the correct height value for the time canvas ? this overstates it
380 time_canvas.set_scroll_region ( 0.0, 0.0, max (last_canvas_unit, canvas_width), canvas_height);
382 controls_layout.queue_resize();
387 Editor::controls_layout_size_request (Requisition* req)
389 TreeModel::Children rows = route_display_model->children();
390 TreeModel::Children::iterator i;
393 for (pos = 0, i = rows.begin(); i != rows.end(); ++i) {
394 TimeAxisView *tv = (*i)[route_display_columns.tv];
396 pos += tv->effective_height;
397 pos += track_spacing;
401 RefPtr<Gdk::Screen> screen = get_screen();
404 screen = Gdk::Screen::get_default();
407 /* never let the width of the controls area shrink horizontally */
409 edit_controls_vbox.check_resize();
411 req->width = max (edit_controls_vbox.get_width(), controls_layout.get_width());
412 req->height = min ((gint) pos, (screen->get_height() - 400));
414 /* this one is important: it determines how big the layout thinks it really is, as
415 opposed to what it displays on the screen
418 controls_layout.set_size (req->width, (gint) pos);
422 Editor::track_canvas_map_handler (GdkEventAny* ev)
424 track_canvas.get_window()->set_cursor (*current_canvas_cursor);
429 Editor::time_canvas_map_handler (GdkEventAny* ev)
431 time_canvas.get_window()->set_cursor (*timebar_cursor);
436 Editor::track_canvas_drag_data_received (const RefPtr<Gdk::DragContext>& context,
438 const SelectionData& data,
439 guint info, guint time)
441 if (data.get_target() == "regions") {
442 drop_regions (context, x, y, data, info, time);
444 drop_paths (context, x, y, data, info, time);
449 Editor::drop_paths (const RefPtr<Gdk::DragContext>& context,
451 const SelectionData& data,
452 guint info, guint time)
455 AudioTimeAxisView* tv;
457 vector<string> paths;
460 jack_nframes_t frame;
462 if (convert_drop_to_paths (paths, context, x, y, data, info, time)) {
466 /* D-n-D coordinates are window-relative, so convert to "world" coordinates
472 track_canvas.window_to_world (x, y, wx, wy);
473 wx += horizontal_adjustment.get_value();
474 wy += vertical_adjustment.get_value();
476 ev.type = GDK_BUTTON_RELEASE;
480 frame = event_frame (&ev, 0, &cy);
484 if ((tvp = trackview_by_y_position (cy)) == 0) {
486 /* drop onto canvas background: create a new track */
488 insert_paths_as_new_tracks (paths, false);
491 } else if ((tv = dynamic_cast<AudioTimeAxisView*>(tvp)) != 0) {
493 /* check that its an audio track, not a bus */
495 if (tv->get_diskstream()) {
497 for (vector<string>::iterator p = paths.begin(); p != paths.end(); ++p) {
498 insert_sndfile_into (*p, true, tv, frame);
505 context->drag_finish (true, false, time);
509 Editor::drop_regions (const RefPtr<Gdk::DragContext>& context,
511 const SelectionData& data,
512 guint info, guint time)
514 const DnDTreeView::SerializedObjectPointers* sr = reinterpret_cast<const DnDTreeView::SerializedObjectPointers*> (data.get_data());
516 for (uint32_t i = 0; i < sr->cnt; ++i) {
518 Region* r = reinterpret_cast<Region*> (sr->ptr[i]);
521 if ((ar = dynamic_cast<AudioRegion*>(r)) != 0) {
522 insert_region_list_drag (*ar, x, y);
526 context->drag_finish (true, false, time);