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();
264 void refresh_plugintoggles();
265 void update_edit_handles(Edit *edit, int64_t edit_x, int64_t edit_y, int64_t edit_w, int64_t edit_h);
266 void update_transitions();
267 void update_keyframe_handles(Track *track);
268 // Draw everything to synchronize with the view.
269 void draw(int mode, int hide_cursor);
270 // Draw resources during index building
271 void draw_indexes(Indexable *indexable);
272 // Get location of edit on screen without boundary checking
273 void edit_dimensions(Edit *edit, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
274 void track_dimensions(Track *track, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
275 void plugin_dimensions(Plugin *plugin, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
276 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);
277 ResourcePixmap* create_pixmap(Edit *edit, int64_t edit_x, int64_t pixmap_x, int64_t pixmap_w, int64_t pixmap_h);
278 void update_cursor(int flush);
279 // Get edit and handle the cursor is over
280 int do_edit_handles(int cursor_x,
287 // Get plugin and handle the cursor if over
288 int do_plugin_handles(int cursor_x,
295 // Get edit the cursor is over
296 int do_edits(int cursor_x,
304 int do_tracks(int cursor_x,
307 int test_resources(int cursor_x, int cursor_y);
308 int do_plugins(int cursor_x,
314 int do_transitions(int cursor_x,
319 void draw_cropped_line(int x1,
325 int button_press_event();
326 int button_release_event();
327 int cursor_update(int in_motion);
328 int cursor_motion_event();
331 int repeat_event(int64_t duration);
332 void start_dragscroll();
333 void stop_dragscroll();
334 int start_selection(double position);
335 int drag_motion_event();
336 int drag_stop_event();
337 int drag_motion(Track **over_track,
339 PluginSet **over_pluginset,
340 Plugin **over_plugin);
341 int drag_stop(int *redraw);
342 int64_t drop_edit_position (int *is_insertion, Edit *moved_edit, int64_t moved_edit_length);
343 int64_t drop_plugin_position(PluginSet *plugin_set, Plugin *moved_plugin);
344 void end_edithandle_selection();
345 void end_pluginhandle_selection();
346 // Number of seconds spanned by the trackcanvas
347 double time_visible();
348 void update_drag_handle();
349 int update_drag_edit();
350 int render_handle_frame(EDL *edl, int64_t pos, int mode);
351 int update_drag_floatauto(int cursor_x, int cursor_y);
352 int update_drag_toggleauto(int cursor_x, int cursor_y);
353 int update_drag_auto(int cursor_x, int cursor_y);
354 int update_drag_pluginauto(int cursor_x, int cursor_y);
355 void show_message(Auto *current, int show_curve_type, const char *fmt, ...);
357 // Update status bar to reflect drag operation
358 void update_drag_caption();
363 // Display hourglass if timer expired
365 // get the relevant patchbay by traversing the panes
366 // Patchbay* get_patchbay();
371 // Allows overlays to get redrawn without redrawing the resources
372 BC_Pixmap *background_pixmap;
373 BC_Pixmap *transition_pixmap;
374 EditHandles *edit_handles;
375 // TransitionHandles *transition_handles;
376 BC_Pixmap *keyframe_pixmap;
377 BC_Pixmap *camerakeyframe_pixmap;
378 BC_Pixmap *modekeyframe_pixmap;
379 BC_Pixmap *pankeyframe_pixmap;
380 BC_Pixmap *projectorkeyframe_pixmap;
381 BC_Pixmap *maskkeyframe_pixmap;
384 // Currently in a drag scroll operation
386 // Don't stop hourglass if it was never started before the operation.
387 int hourglass_enabled;
388 // position used by timebar, when the timebar needs to draw a highlight
389 double timebar_position;
391 // Temporary for picon drawing
393 // Timer for hourglass
394 Timer *resource_timer;
397 // Plugin toggle interfaces
398 ArrayList<PluginOn*> plugin_on_toggles;
399 ArrayList<PluginShow*> plugin_show_toggles;
400 ArrayList<PluginPresetEdit*> preset_edit_buttons;
402 static int auto_operations[];
404 void draw_paste_destination();
406 void draw_floatauto_ctrlpoint(int x, int y, int cp_x, int cp_y,
407 int center_pixel, int zoom_track, int color);
409 float value_to_percentage(float auto_value, int autogrouptype);
410 // transforms automation value into current display coords
411 // dependant on current automation display range for given kind of automation
413 // ====================================== cursor selection type
415 double selection_midpoint; // division between current ends
416 int snapped; // drag handle snapping
417 EDL *speed_edl; // drag speed handle start edl