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"
47 #include "transitionhandles.inc"
48 #include "keyframe.inc"
53 // NORMAL_DRAW causes incremental drawing of pixmaps. Used for navigation and index refresh.
54 // FORCE_REDRAW causes all resource pixmaps to be redrawn from scratch. Used by editing.
55 // IGNORE_THREAD causes resource pixmaps to ignore picon thread. Used by Piconthread.
57 #define FORCE_REDRAW 2
58 #define IGNORE_THREAD 3
60 class TrackCanvas : public BC_SubWindow
63 TrackCanvas(MWindow *mwindow, MWindowGUI *gui);
64 TrackCanvas(MWindow *mwindow, TimelinePane *pane, int x, int y, int w, int h);
67 void create_objects();
69 int drag_start_event();
70 int cursor_leave_event();
72 void draw_resources(int mode = 0,
73 int indexes_only = 0, // Redraw only certain audio resources with indexes
74 Indexable *indexable = 0);
75 void draw_highlight_rectangle(int x, int y, int w, int h);
76 void draw_highlight_insertion(int x, int y, int w, int h);
77 void draw_playback_cursor();
78 void draw_highlighting();
79 void draw_keyframe_reticle();
80 int draw_hairline(Auto *auto_keyframe, int color, int show);
82 // User can either call draw or draw_overlays to copy a fresh
83 // canvas and just draw the overlays over it
85 void update_handles();
86 // Convert edit coords to transition coords
87 void get_transition_coords(Edit *edit,
88 int64_t &x, int64_t &y, int64_t &w, int64_t &h);
89 void get_handle_coords(Edit *edit,
95 int get_drag_values(float *percentage,
101 void draw_title(Edit *edit,
106 void draw_automation();
107 void draw_hard_edges();
108 void draw_inout_points();
109 void draw_auto(Auto *current,
114 void draw_floatauto(FloatAuto *current,
124 int test_auto(Auto *current,
132 int test_floatauto(FloatAuto *current,
145 void draw_floatline(int center_pixel,
158 int test_floatline(int center_pixel,
169 void draw_toggleline(int center_pixel,
174 int test_toggleline(Autos *autos,
183 int do_keyframes(int cursor_x,
191 int do_float_autos(Track *track,
200 Auto* &auto_instance,
202 int do_int_autos(Track *track,
211 Auto * &auto_instance);
212 int do_autos(Track *track,
219 Auto* &auto_instance,
221 int do_plugin_autos(Track *track,
226 Plugin* &keyframe_plugin,
227 KeyFrame* &keyframe_instance);
230 void calculate_viewport(Track *track,
240 // Convert percentage position inside track to value.
241 // if is_toggle is 1, the result is either 0 or 1.
242 // if reference is nonzero and a FloatAuto,
243 // the result is made relative to the value in reference.
244 float percentage_to_value(float percentage,
249 // Get x and y of a FloatAuto relative to center_pixel
250 void calculate_auto_position(double *x,
262 void fill_ganged_autos(int all, float change, Track *skip, FloatAuto *fauto);
263 void update_ganged_autos(float change, Track *skip, FloatAuto *fauto);
264 void clear_ganged_autos();
266 void draw_brender_range();
267 void draw_loop_points();
268 void draw_transitions();
269 void draw_drag_handle();
271 void refresh_plugintoggles();
272 void update_edit_handles(Edit *edit, int64_t edit_x, int64_t edit_y, int64_t edit_w, int64_t edit_h);
273 void update_transitions();
274 void update_keyframe_handles(Track *track);
275 // Draw everything to synchronize with the view.
276 void draw(int mode = 0, int hide_cursor = 1);
277 // Draw resources during index building
278 void draw_indexes(Indexable *indexable);
279 // Get location of edit on screen without boundary checking
280 void edit_dimensions(Edit *edit, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
281 void track_dimensions(Track *track, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
282 void plugin_dimensions(Plugin *plugin, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
283 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);
284 ResourcePixmap* create_pixmap(Edit *edit, int64_t edit_x, int64_t pixmap_x, int64_t pixmap_w, int64_t pixmap_h);
285 void update_cursor(int flush);
286 // Get edit and handle the cursor is over
287 int do_edit_handles(int cursor_x,
294 // Get plugin and handle the cursor if over
295 int do_plugin_handles(int cursor_x,
302 // Get edit the cursor is over
303 int do_edits(int cursor_x,
311 int do_tracks(int cursor_x,
314 int test_resources(int cursor_x, int cursor_y);
315 int do_plugins(int cursor_x,
321 int do_transitions(int cursor_x,
326 void draw_cropped_line(int x1,
332 int button_press_event();
333 int button_release_event();
334 int cursor_update(int in_motion);
335 int cursor_motion_event();
338 int repeat_event(int64_t duration);
339 void start_dragscroll();
340 void stop_dragscroll();
341 int start_selection(double position);
342 int drag_motion_event();
343 int drag_stop_event();
344 int drag_motion(Track **over_track,
346 PluginSet **over_pluginset,
347 Plugin **over_plugin);
348 int drag_stop(int *redraw);
349 int64_t drop_edit_position (int *is_insertion, Edit *moved_edit, int64_t moved_edit_length);
350 int64_t drop_plugin_position(PluginSet *plugin_set, Plugin *moved_plugin);
351 void end_edithandle_selection();
352 void end_pluginhandle_selection();
353 // Number of seconds spanned by the trackcanvas
354 double time_visible();
355 void update_drag_handle();
356 int update_drag_edit();
357 int render_handle_frame(EDL *edl, int64_t pos, int mode);
358 int update_drag_floatauto(int cursor_x, int cursor_y);
359 int update_drag_toggleauto(int cursor_x, int cursor_y);
360 int update_drag_auto(int cursor_x, int cursor_y);
361 int update_drag_pluginauto(int cursor_x, int cursor_y);
362 void show_message(Auto *current, int show_curve_type, const char *fmt, ...);
364 // Update status bar to reflect drag operation
365 void update_drag_caption();
370 // Display hourglass if timer expired
372 // get the relevant patchbay by traversing the panes
373 // Patchbay* get_patchbay();
378 // Allows overlays to get redrawn without redrawing the resources
379 BC_Pixmap *background_pixmap;
380 BC_Pixmap *transition_pixmap;
381 EditHandles *edit_handles;
382 // TransitionHandles *transition_handles;
383 BC_Pixmap *keyframe_pixmap;
384 BC_Pixmap *camerakeyframe_pixmap;
385 BC_Pixmap *modekeyframe_pixmap;
386 BC_Pixmap *pankeyframe_pixmap;
387 BC_Pixmap *projectorkeyframe_pixmap;
388 BC_Pixmap *maskkeyframe_pixmap;
391 // Currently in a drag scroll operation
393 // Don't stop hourglass if it was never started before the operation.
394 int hourglass_enabled;
395 // position used by timebar, when the timebar needs to draw a highlight
396 double timebar_position;
398 // Temporary for picon drawing
400 // Timer for hourglass
401 Timer *resource_timer;
404 // Plugin toggle interfaces
405 ArrayList<PluginOn*> plugin_on_toggles;
406 ArrayList<PluginShow*> plugin_show_toggles;
407 ArrayList<PluginPresetEdit*> preset_edit_buttons;
409 static int auto_operations[];
411 void draw_paste_destination();
413 void draw_floatauto_ctrlpoint(int x, int y, int cp_x, int cp_y,
414 int center_pixel, int zoom_track, int color);
416 float value_to_percentage(float auto_value, int autogrouptype);
417 // transforms automation value into current display coords
418 // dependant on current automation display range for given kind of automation
420 // ====================================== cursor selection type
422 double selection_midpoint; // division between current ends
423 int snapped; // drag handle snapping
424 EDL *speed_edl; // drag speed handle start edl