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);
74 void draw_bline(int x1, int y1, int x2, int y2, BC_Pixmap *pixmap=0);
76 // User can either call draw or draw_overlays to copy a fresh
77 // canvas and just draw the overlays over it
79 void update_handles();
80 // Convert edit coords to transition coords
81 void get_transition_coords(Edit *edit,
82 int64_t &x, int64_t &y, int64_t &w, int64_t &h);
83 void get_handle_coords(Edit *edit,
89 int get_drag_values(float *percentage,
95 void draw_title(Edit *edit,
100 void draw_automation();
101 void draw_hard_edges();
102 void draw_inout_points();
103 void draw_auto(Auto *current,
108 void draw_floatauto(FloatAuto *current,
118 int test_auto(Auto *current,
126 int test_floatauto(FloatAuto *current,
139 void draw_floatline(int center_pixel,
152 int test_floatline(int center_pixel,
163 void draw_toggleline(int center_pixel,
168 int test_toggleline(Autos *autos,
177 int do_keyframes(int cursor_x,
185 int do_float_autos(Track *track,
194 Auto* &auto_instance,
196 int do_int_autos(Track *track,
205 Auto * &auto_instance);
206 int do_autos(Track *track,
213 Auto* &auto_instance,
215 int do_plugin_autos(Track *track,
220 Plugin* &keyframe_plugin,
221 KeyFrame* &keyframe_instance);
224 void calculate_viewport(Track *track,
234 // Convert percentage position inside track to value.
235 // if is_toggle is 1, the result is either 0 or 1.
236 // if reference is nonzero and a FloatAuto,
237 // the result is made relative to the value in reference.
238 float percentage_to_value(float percentage,
243 // Get x and y of a FloatAuto relative to center_pixel
244 void calculate_auto_position(double *x,
256 void fill_ganged_autos(int all, float change, Track *skip, FloatAuto *fauto);
257 void update_ganged_autos(float change, Track *skip, FloatAuto *fauto);
258 void clear_ganged_autos();
260 void draw_brender_range();
261 void draw_loop_points();
262 void draw_transitions();
263 void draw_drag_handle();
264 void draw_selected_edits(EDL *edl, int dx, int dy, int color0, int color1);
266 void refresh_plugintoggles();
267 void update_edit_handles(Edit *edit, int64_t edit_x, int64_t edit_y, int64_t edit_w, int64_t edit_h);
268 void update_transitions();
269 void update_keyframe_handles(Track *track);
270 // Draw everything to synchronize with the view.
271 void draw(int mode, int hide_cursor);
272 // Draw resources during index building
273 void draw_indexes(Indexable *indexable);
274 // Get location of edit on screen without boundary checking
275 void edit_dimensions(Edit *edit, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
276 void track_dimensions(Track *track, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
277 void plugin_dimensions(Plugin *plugin, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
278 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);
279 ResourcePixmap* create_pixmap(Edit *edit, int64_t edit_x, int64_t pixmap_x, int64_t pixmap_w, int64_t pixmap_h);
280 void update_cursor(int flush);
281 void draw_selected(int x, int y, int w, int h);
285 // Get edit and handle the cursor is over
286 int do_edit_handles(int cursor_x,
293 // Get plugin and handle the cursor if over
294 int do_plugin_handles(int cursor_x,
301 // Get edit the cursor is over
302 int do_edits(int cursor_x,
310 int do_tracks(int cursor_x,
313 int test_track_group(EDL *group, Track *first_track, double &pos);
314 int edit_intersects(Track *track, Edit *src_edit, double &pos);
315 int test_resources(int cursor_x, int cursor_y);
316 int do_plugins(int cursor_x,
322 int do_transitions(int cursor_x,
327 void draw_cropped_line(int x1,
333 int button_press_event();
334 int button_release_event();
335 int cursor_update(int in_motion);
336 int cursor_motion_event();
339 int repeat_event(int64_t duration);
340 void start_dragscroll();
341 void stop_dragscroll();
342 int start_selection(double position);
343 int drag_motion_event();
344 int drag_stop_event();
345 int drag_motion(Track **over_track, Edit **over_edit,
346 PluginSet **over_pluginset, Plugin **over_plugin);
347 int drag_cursor_motion(int cursor_x, int cursor_y,
348 Track **over_track, Edit **over_edit,
349 PluginSet **over_pluginset, Plugin **over_plugin);
350 int drag_stop(int *redraw);
351 int64_t drop_edit_position (int *is_insertion, Edit *moved_edit, int64_t moved_edit_length);
352 int64_t drop_plugin_position(PluginSet *plugin_set, Plugin *moved_plugin);
353 void end_edithandle_selection();
354 void end_pluginhandle_selection();
355 // Number of seconds spanned by the trackcanvas
356 double time_visible();
357 void update_drag_handle();
358 int update_drag_edit();
359 int render_handle_frame(EDL *edl, int64_t pos, int mode);
360 int update_drag_floatauto(int cursor_x, int cursor_y);
361 int update_drag_toggleauto(int cursor_x, int cursor_y);
362 int update_drag_auto(int cursor_x, int cursor_y);
363 int update_drag_pluginauto(int cursor_x, int cursor_y);
364 void show_message(Auto *current, int box_color, const char *fmt, ...);
366 // Update status bar to reflect drag operation
367 void update_drag_caption();
372 // Display hourglass if timer expired
374 // get the relevant patchbay by traversing the panes
375 // Patchbay* get_patchbay();
380 // Allows overlays to get redrawn without redrawing the resources
381 BC_Pixmap *background_pixmap;
382 BC_Pixmap *transition_pixmap;
383 EditHandles *edit_handles;
384 // TransitionHandles *transition_handles;
385 BC_Pixmap *keyframe_pixmap;
386 BC_Pixmap *camerakeyframe_pixmap;
387 BC_Pixmap *modekeyframe_pixmap;
388 BC_Pixmap *pankeyframe_pixmap;
389 BC_Pixmap *projectorkeyframe_pixmap;
390 BC_Pixmap *maskkeyframe_pixmap;
393 // Currently in a drag scroll operation
395 // Don't stop hourglass if it was never started before the operation.
396 int hourglass_enabled;
397 // position used by timebar, when the timebar needs to draw a highlight
398 double timebar_position;
400 // Temporary for picon drawing
402 // Timer for hourglass
403 Timer *resource_timer;
406 // Plugin toggle interfaces
407 ArrayList<PluginOn*> plugin_on_toggles;
408 ArrayList<PluginShow*> plugin_show_toggles;
409 ArrayList<PluginPresetEdit*> preset_edit_buttons;
411 static int auto_operations[];
413 void draw_paste_destination();
415 void draw_floatauto_ctrlpoint(int x, int y, int cp_x, int cp_y,
416 int center_pixel, int zoom_track, int color);
418 float value_to_percentage(float auto_value, int autogrouptype);
419 // transforms automation value into current display coords
420 // dependant on current automation display range for given kind of automation
422 // ====================================== cursor selection type
424 double selection_midpoint; // division between current ends
425 int snapped; // drag handle snapping
426 EDL *speed_edl; // drag speed handle start edl