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();
66 // *** CONTEXT_HELP ***
67 int help_transitions(int cursor_x, int cursor_y);
68 int help_transition_handles(int cursor_x, int cursor_y);
69 int help_keyframes(int cursor_x, int cursor_y);
70 int help_edit_handles(int cursor_x, int cursor_y);
71 int help_plugin_handles(int cursor_x, int cursor_y);
72 int help_plugins(int cursor_x, int cursor_y);
73 int help_plugin_autos(Track *track, int cursor_x, int cursor_y);
74 int help_autos(Track *track, Autos *autos, int cursor_x, int cursor_y, BC_Pixmap *pixmap);
75 int help_float_autos(Track *track, Autos *autos, int cursor_x, int cursor_y, int autogrouptype);
76 int help_int_autos(Track *track, Autos *autos, int cursor_x, int cursor_y);
78 void draw_resources(int mode = 0,
79 int indexes_only = 0, // Redraw only certain audio resources with indexes
80 Indexable *indexable = 0);
81 void draw_highlight_rectangle(int x, int y, int w, int h);
82 void draw_highlight_insertion(int x, int y, int w, int h);
83 void draw_playback_cursor();
84 void draw_highlighting();
85 void draw_keyframe_reticle();
86 int draw_hairline(Auto *auto_keyframe, int color, int show);
87 void draw_speed_highlight();
88 void draw_speed_track(Track *track);
90 // User can either call draw or draw_overlays to copy a fresh
91 // canvas and just draw the overlays over it
93 void update_handles();
94 // Convert edit coords to transition coords
95 void get_transition_coords(Edit *edit,
96 int64_t &x, int64_t &y, int64_t &w, int64_t &h);
97 void get_handle_coords(Edit *edit,
103 int get_drag_values(float *percentage,
109 void draw_title(Edit *edit,
114 void draw_automation();
115 void draw_hard_edges();
116 void draw_inout_points();
117 void draw_auto(Auto *current, int x, int y,
118 int center_pixel, int data_h);
119 void draw_floatauto(FloatAuto *current,
120 int x_offset, int center_pixel, int data_h, int color,
121 double unit_start, double zoom_units, double yscale,
123 int test_auto(Auto *current, int x, int y,
124 int center_pixel, int data_h,
125 int cursor_x, int cursor_y, int buttonpress);
126 int test_floatauto(FloatAuto *current, int buttonpress,
127 int center_pixel, int data_h, int cursor_x, int cursor_y,
128 double unit_start, double zoom_units, double yscale,
130 void draw_floatline(int center_pixel,
143 int test_floatline(int center_pixel,
154 void draw_toggleline(int center_pixel,
159 int test_toggleline(Autos *autos,
168 int do_keyframes(int cursor_x,
176 int do_float_autos(Track *track,
185 Auto* &auto_instance,
187 int do_int_autos(Track *track,
196 Auto * &auto_instance);
197 int do_autos(Track *track,
204 Auto* &auto_instance,
206 int do_plugin_autos(Track *track,
211 Plugin* &keyframe_plugin,
212 KeyFrame* &keyframe_instance);
215 void calculate_viewport(Track *track,
225 // Convert percentage position inside track to value.
226 // if is_toggle is 1, the result is either 0 or 1.
227 // if reference is nonzero and a FloatAuto,
228 // the result is made relative to the value in reference.
229 float percentage_to_value(float percentage,
230 int is_toggle, Auto *reference, int autogrouptype);
231 // Get x and y of a FloatAuto relative to center_pixel
232 void calculate_auto_position(int edge, double *x, double *y,
233 double *in_x, double *in_y, double *out_x, double *out_y,
234 Auto *current, double unit_start, double zoom_units,
235 double yscale, int autogrouptype);
236 void fill_ganged_autos(int gang, float change, Track *skip, FloatAuto *fauto);
237 void update_ganged_autos(float change, Track *skip, FloatAuto *fauto);
238 void clear_ganged_autos();
240 void draw_brender_range();
241 void draw_loop_points();
242 void draw_transitions();
243 void draw_drag_handle();
244 void draw_selected_edits(EDL *edl, int dx, int dy, int color0, int color1);
246 void refresh_plugintoggles();
247 void update_edit_handles(Edit *edit, int64_t edit_x, int64_t edit_y, int64_t edit_w, int64_t edit_h);
248 void update_transitions();
249 void update_keyframe_handles(Track *track);
250 // Draw everything to synchronize with the view.
251 void draw(int mode, int hide_cursor);
252 // Draw resources during index building
253 void draw_indexes(Indexable *indexable);
254 // Get location of edit on screen without boundary checking
255 void edit_dimensions(Edit *edit, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
256 void track_dimensions(Track *track, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
257 void plugin_dimensions(Plugin *plugin, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
258 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);
259 ResourcePixmap* create_pixmap(Edit *edit, int64_t edit_x, int64_t pixmap_x, int64_t pixmap_w, int64_t pixmap_h);
260 void update_cursor(int flush);
261 void draw_selected(int x, int y, int w, int h);
265 // Get edit and handle the cursor is over
266 int do_edit_handles(int cursor_x, int cursor_y, int button_press,
267 int &rerender, int &update_overlay, int &new_cursor, int &update_cursor);
268 // Get plugin and handle the cursor if over
269 int do_plugin_handles(int cursor_x, int cursor_y, int button_press,
270 int &rerender, int &update_overlay, int &new_cursor, int &update_cursor);
271 int do_transition_handles(int cursor_x, int cursor_y, int button_press,
272 int &rerender, int &update_overlay, int &new_cursor, int &update_cursor);
273 int drag_transition_handle(double position);
274 // Get edit the cursor is over
275 int do_edits(int cursor_x, int cursor_y, int button_press,
276 int drag_start, int &redraw, int &rerender, int &new_cursor, int &update_cursor);
277 int do_tracks(int cursor_x,
280 int test_track_group(EDL *group, Track *first_track, double &pos);
281 int edit_intersects(Track *track, Edit *src_edit, double &pos);
282 int test_resources(int cursor_x, int cursor_y);
283 int do_plugins(int cursor_x, int cursor_y, int drag_start, int button_press,
284 int &redraw, int &rerender);
285 int do_transitions(int cursor_x, int cursor_y, int button_press,
286 int &new_cursor, int &update_cursor);
287 void draw_cropped_line(int x1, int y1, int x2, int y2, int min_y, int max_y);
288 int button_press_event();
289 int button_release_event();
290 int cursor_update(int in_motion);
291 int cursor_motion_event();
294 int repeat_event(int64_t duration);
295 void start_dragscroll();
296 void stop_dragscroll();
297 int start_selection(double position);
298 int drag_motion_event();
299 int drag_stop_event();
300 int drag_motion(Track **over_track, Edit **over_edit,
301 PluginSet **over_pluginset, Plugin **over_plugin);
302 int drag_cursor_motion(int cursor_x, int cursor_y,
303 Track **over_track, Edit **over_edit,
304 PluginSet **over_pluginset, Plugin **over_plugin);
305 int drag_stop(int *redraw);
306 int64_t drop_edit_position (int *is_insertion, Edit *moved_edit, int64_t moved_edit_length);
307 int64_t drop_plugin_position(PluginSet *plugin_set, Plugin *moved_plugin);
308 void end_edithandle_selection();
309 void end_pluginhandle_selection();
310 void end_transnhandle_selection();
311 // Number of seconds spanned by the trackcanvas
312 double time_visible();
313 void update_drag_handle();
314 int update_drag_edit();
315 int render_handle_frame(EDL *edl, int64_t pos, int mode);
316 int update_drag_floatauto(int cursor_x, int cursor_y);
317 int update_drag_toggleauto(int cursor_x, int cursor_y);
318 int update_drag_auto(int cursor_x, int cursor_y);
319 int update_drag_pluginauto(int cursor_x, int cursor_y);
320 void show_message(Auto *current, int box_color, const char *fmt, ...);
322 // Update status bar to reflect drag operation
323 void update_drag_caption();
324 void drag_edit_select(Edit *over_edit, int select, int draw);
328 // Display hourglass if timer expired
330 // get the relevant patchbay by traversing the panes
331 // Patchbay* get_patchbay();
336 // Allows overlays to get redrawn without redrawing the resources
337 BC_Pixmap *background_pixmap;
338 BC_Pixmap *transition_pixmap;
339 EditHandles *edit_handles;
340 // TransitionHandles *transition_handles;
341 BC_Pixmap *keyframe_pixmap;
342 BC_Pixmap *camerakeyframe_pixmap;
343 BC_Pixmap *modekeyframe_pixmap;
344 BC_Pixmap *pankeyframe_pixmap;
345 BC_Pixmap *projectorkeyframe_pixmap;
346 BC_Pixmap *maskkeyframe_pixmap;
349 // Currently in a drag scroll operation
351 // Don't stop hourglass if it was never started before the operation.
352 int hourglass_enabled;
353 // position used by timebar, when the timebar needs to draw a highlight
354 double timebar_position;
356 // Temporary for picon drawing
358 // Timer for hourglass
359 Timer *resource_timer;
362 // Plugin toggle interfaces
363 ArrayList<PluginOn*> plugin_on_toggles;
364 ArrayList<PluginShow*> plugin_show_toggles;
365 ArrayList<PluginPresetEdit*> preset_edit_buttons;
367 static int auto_operations[];
369 void draw_paste_destination();
371 void draw_floatauto_ctrlpoint(int x, int y, int cp_x, int cp_y,
372 int center_pixel, int zoom_track, int color);
374 float value_to_percentage(float auto_value, int autogrouptype);
375 // transforms automation value into current display coords
376 // dependant on current automation display range for given kind of automation
378 // ====================================== cursor selection type
380 double selection_midpoint; // division between current ends
381 int snapped; // drag handle snapping
382 EDL *speed_edl; // drag speed handle start edl