4 * Copyright (C) 2008-2014 Adam Williams <broadcast at earthling dot net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 #include "bctimer.inc"
30 #include "edithandles.inc"
32 #include "floatauto.inc"
33 #include "floatautos.inc"
34 #include "intauto.inc"
36 #include "indexable.h"
37 #include "keyframe.inc"
38 #include "mwindow.inc"
39 #include "mwindowgui.inc"
41 #include "pluginset.inc"
42 #include "plugintoggles.inc"
43 #include "resourcepixmap.inc"
44 #include "timelinepane.inc"
46 #include "trackcanvas.inc"
48 #include "transitionhandles.inc"
49 #include "keyframe.inc"
53 class TrackCanvas : public BC_SubWindow
56 TrackCanvas(MWindow *mwindow, MWindowGUI *gui);
57 TrackCanvas(MWindow *mwindow, TimelinePane *pane, int x, int y, int w, int h);
60 void create_objects();
62 int drag_start_event();
63 int cursor_leave_event();
65 void draw_resources(int mode = 0,
66 int indexes_only = 0, // Redraw only certain audio resources with indexes
67 Indexable *indexable = 0);
68 void draw_highlight_rectangle(int x, int y, int w, int h);
69 void draw_highlight_insertion(int x, int y, int w, int h);
70 void draw_playback_cursor();
71 void draw_highlighting();
72 void draw_keyframe_reticle();
73 int draw_hairline(Auto *auto_keyframe, int color, int show);
75 // User can either call draw or draw_overlays to copy a fresh
76 // canvas and just draw the overlays over it
78 void update_handles();
79 // Convert edit coords to transition coords
80 void get_transition_coords(Edit *edit,
81 int64_t &x, int64_t &y, int64_t &w, int64_t &h);
82 void get_handle_coords(Edit *edit,
88 int get_drag_values(float *percentage,
94 void draw_title(Edit *edit,
99 void draw_automation();
100 void draw_hard_edges();
101 void draw_inout_points();
102 void draw_auto(Auto *current,
107 void draw_floatauto(FloatAuto *current,
117 int test_auto(Auto *current,
125 int test_floatauto(FloatAuto *current,
138 void draw_floatline(int center_pixel,
151 int test_floatline(int center_pixel,
162 void draw_toggleline(int center_pixel,
167 int test_toggleline(Autos *autos,
176 int do_keyframes(int cursor_x,
184 int do_float_autos(Track *track,
193 Auto* &auto_instance,
195 int do_int_autos(Track *track,
204 Auto * &auto_instance);
205 int do_autos(Track *track,
212 Auto* &auto_instance,
214 int do_plugin_autos(Track *track,
219 Plugin* &keyframe_plugin,
220 KeyFrame* &keyframe_instance);
223 void calculate_viewport(Track *track,
233 // Convert percentage position inside track to value.
234 // if is_toggle is 1, the result is either 0 or 1.
235 // if reference is nonzero and a FloatAuto,
236 // the result is made relative to the value in reference.
237 float percentage_to_value(float percentage,
242 // Get x and y of a FloatAuto relative to center_pixel
243 void calculate_auto_position(double *x,
255 void fill_ganged_autos(int all, float change, Track *skip, FloatAuto *fauto);
256 void update_ganged_autos(float change, Track *skip, FloatAuto *fauto);
257 void clear_ganged_autos();
259 void draw_brender_range();
260 void draw_loop_points();
261 void draw_transitions();
262 void draw_drag_handle();
263 void draw_selected_edits(EDL *edl, int dx, int dy, int color0, int color1);
265 void refresh_plugintoggles();
266 void update_edit_handles(Edit *edit, int64_t edit_x, int64_t edit_y, int64_t edit_w, int64_t edit_h);
267 void update_transitions();
268 void update_keyframe_handles(Track *track);
269 // Draw everything to synchronize with the view.
270 void draw(int mode, int hide_cursor);
271 // Draw resources during index building
272 void draw_indexes(Indexable *indexable);
273 // Get location of edit on screen without boundary checking
274 void edit_dimensions(Edit *edit, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
275 void track_dimensions(Track *track, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
276 void plugin_dimensions(Plugin *plugin, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
277 void get_pixmap_size(Edit *edit, int64_t edit_x, int64_t edit_w, int64_t &pixmap_x, int64_t &pixmap_w, int64_t &pixmap_h);
278 ResourcePixmap* create_pixmap(Edit *edit, int64_t edit_x, int64_t pixmap_x, int64_t pixmap_w, int64_t pixmap_h);
279 void update_cursor(int flush);
280 // Get edit and handle the cursor is over
281 int do_edit_handles(int cursor_x,
288 // Get plugin and handle the cursor if over
289 int do_plugin_handles(int cursor_x,
296 // Get edit the cursor is over
297 int do_edits(int cursor_x,
305 int do_tracks(int cursor_x,
308 int test_track_group(EDL *group, Track *first_track, double &pos);
309 int edit_intersects(Track *track, Edit *src_edit, double &pos);
310 int test_resources(int cursor_x, int cursor_y);
311 int do_plugins(int cursor_x,
317 int do_transitions(int cursor_x,
322 void draw_cropped_line(int x1,
328 int button_press_event();
329 int button_release_event();
330 int cursor_update(int in_motion);
331 int cursor_motion_event();
334 int repeat_event(int64_t duration);
335 void start_dragscroll();
336 void stop_dragscroll();
337 int start_selection(double position);
338 int drag_motion_event();
339 int drag_stop_event();
340 int drag_motion(Track **over_track, Edit **over_edit,
341 PluginSet **over_pluginset, Plugin **over_plugin);
342 int drag_cursor_motion(int cursor_x, int cursor_y,
343 Track **over_track, Edit **over_edit,
344 PluginSet **over_pluginset, Plugin **over_plugin);
345 int drag_stop(int *redraw);
346 int64_t drop_edit_position (int *is_insertion, Edit *moved_edit, int64_t moved_edit_length);
347 int64_t drop_plugin_position(PluginSet *plugin_set, Plugin *moved_plugin);
348 void end_edithandle_selection();
349 void end_pluginhandle_selection();
350 // Number of seconds spanned by the trackcanvas
351 double time_visible();
352 void update_drag_handle();
353 int update_drag_edit();
354 int render_handle_frame(EDL *edl, int64_t pos, int mode);
355 int update_drag_floatauto(int cursor_x, int cursor_y);
356 int update_drag_toggleauto(int cursor_x, int cursor_y);
357 int update_drag_auto(int cursor_x, int cursor_y);
358 int update_drag_pluginauto(int cursor_x, int cursor_y);
359 void show_message(Auto *current, int show_curve_type, const char *fmt, ...);
361 // Update status bar to reflect drag operation
362 void update_drag_caption();
367 // Display hourglass if timer expired
369 // get the relevant patchbay by traversing the panes
370 // Patchbay* get_patchbay();
375 // Allows overlays to get redrawn without redrawing the resources
376 BC_Pixmap *background_pixmap;
377 BC_Pixmap *transition_pixmap;
378 EditHandles *edit_handles;
379 // TransitionHandles *transition_handles;
380 BC_Pixmap *keyframe_pixmap;
381 BC_Pixmap *camerakeyframe_pixmap;
382 BC_Pixmap *modekeyframe_pixmap;
383 BC_Pixmap *pankeyframe_pixmap;
384 BC_Pixmap *projectorkeyframe_pixmap;
385 BC_Pixmap *maskkeyframe_pixmap;
388 // Currently in a drag scroll operation
390 // Don't stop hourglass if it was never started before the operation.
391 int hourglass_enabled;
392 // position used by timebar, when the timebar needs to draw a highlight
393 double timebar_position;
395 // Temporary for picon drawing
397 // Timer for hourglass
398 Timer *resource_timer;
401 // Plugin toggle interfaces
402 ArrayList<PluginOn*> plugin_on_toggles;
403 ArrayList<PluginShow*> plugin_show_toggles;
404 ArrayList<PluginPresetEdit*> preset_edit_buttons;
406 static int auto_operations[];
408 void draw_paste_destination();
410 void draw_floatauto_ctrlpoint(int x, int y, int cp_x, int cp_y,
411 int center_pixel, int zoom_track, int color);
413 float value_to_percentage(float auto_value, int autogrouptype);
414 // transforms automation value into current display coords
415 // dependant on current automation display range for given kind of automation
417 // ====================================== cursor selection type
419 double selection_midpoint; // division between current ends
420 int snapped; // drag handle snapping
421 EDL *speed_edl; // drag speed handle start edl