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 // User can either call draw or draw_overlays to copy a fresh
80 // canvas and just draw the overlays over it
82 void update_handles();
83 // Convert edit coords to transition coords
84 void get_transition_coords(int64_t &x, int64_t &y, int64_t &w, int64_t &h);
85 void get_handle_coords(Edit *edit,
91 int get_drag_values(float *percentage,
97 void draw_title(Edit *edit,
102 void draw_automation();
103 void draw_inout_points();
104 void draw_auto(Auto *current,
109 void draw_floatauto(FloatAuto *current,
119 int test_auto(Auto *current,
127 int test_floatauto(FloatAuto *current,
140 void draw_floatline(int center_pixel,
153 int test_floatline(int center_pixel,
164 void draw_toggleline(int center_pixel,
169 int test_toggleline(Autos *autos,
178 int do_keyframes(int cursor_x,
186 int do_float_autos(Track *track,
195 Auto* &auto_instance,
197 int do_int_autos(Track *track,
206 Auto * &auto_instance);
207 int do_autos(Track *track,
214 Auto* &auto_instance,
216 int do_plugin_autos(Track *track,
221 Plugin* &keyframe_plugin,
222 KeyFrame* &keyframe_instance);
225 void calculate_viewport(Track *track,
235 // Convert percentage position inside track to value.
236 // if is_toggle is 1, the result is either 0 or 1.
237 // if reference is nonzero and a FloatAuto,
238 // the result is made relative to the value in reference.
239 float percentage_to_value(float percentage,
244 // Get x and y of a FloatAuto relative to center_pixel
245 void calculate_auto_position(double *x,
256 void synchronize_autos(float change, Track *skip, FloatAuto *fauto, int fill_gangs);
259 void draw_brender_start();
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 = 0, int hide_cursor = 1);
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_motion_event();
330 int repeat_event(int64_t duration);
331 void start_dragscroll();
332 void stop_dragscroll();
333 int start_selection(double position);
334 int drag_motion_event();
335 int drag_stop_event();
336 int drag_motion(Track **over_track,
338 PluginSet **over_pluginset,
339 Plugin **over_plugin);
340 int drag_stop(int *redraw);
341 int64_t drop_edit_position (int *is_insertion, Edit *moved_edit, int64_t moved_edit_length);
342 int64_t drop_plugin_position(PluginSet *plugin_set, Plugin *moved_plugin);
343 void end_edithandle_selection();
344 void end_pluginhandle_selection();
345 // Number of seconds spanned by the trackcanvas
346 double time_visible();
347 void update_drag_handle();
348 int update_drag_edit();
349 int update_drag_floatauto(int cursor_x, int cursor_y);
350 int update_drag_toggleauto(int cursor_x, int cursor_y);
351 int update_drag_auto(int cursor_x, int cursor_y);
352 int update_drag_pluginauto(int cursor_x, int cursor_y);
353 void show_message(Auto *current, int show_curve_type, const char *fmt, ...);
355 // Update status bar to reflect drag operation
356 void update_drag_caption();
361 // Display hourglass if timer expired
363 // get the relevant patchbay by traversing the panes
364 // Patchbay* get_patchbay();
369 // Allows overlays to get redrawn without redrawing the resources
370 BC_Pixmap *background_pixmap;
371 BC_Pixmap *transition_pixmap;
372 EditHandles *edit_handles;
373 // TransitionHandles *transition_handles;
374 BC_Pixmap *keyframe_pixmap;
375 BC_Pixmap *camerakeyframe_pixmap;
376 BC_Pixmap *modekeyframe_pixmap;
377 BC_Pixmap *pankeyframe_pixmap;
378 BC_Pixmap *projectorkeyframe_pixmap;
379 BC_Pixmap *maskkeyframe_pixmap;
382 // Currently in a drag scroll operation
384 // Don't stop hourglass if it was never started before the operation.
385 int hourglass_enabled;
386 // position used by timebar, when the timebar needs to draw a highlight
387 double timebar_position;
389 // Temporary for picon drawing
391 // Timer for hourglass
392 Timer *resource_timer;
395 // Plugin toggle interfaces
396 ArrayList<PluginOn*> plugin_on_toggles;
397 ArrayList<PluginShow*> plugin_show_toggles;
402 void draw_paste_destination();
404 void draw_floatauto_ctrlpoint(int x, int y, int cp_x, int cp_y,
405 int center_pixel, int zoom_track, int color);
407 float value_to_percentage(float auto_value, int autogrouptype);
408 // transforms automation value into current display coords
409 // dependant on current automation display range for given kind of automation
411 // ====================================== cursor selection type
413 double selection_midpoint; // division between current ends