cinelerra/trackcanvas.h

   1 #ifndef TRACKCANVAS_H
   2 #define TRACKCANVAS_H
   3
   4 #include "asset.inc"
   5 #include "auto.inc"
   6 #include "autos.inc"
   7 #include "bctimer.inc"
   8 #include "edit.inc"
   9 #include "edithandles.inc"
  10 #include "floatauto.inc"
  11 #include "floatautos.inc"
  12 #include "guicast.h"
  13 #include "keyframe.inc"
  14 #include "mwindow.inc"
  15 #include "mwindowgui.inc"
  16 #include "plugin.inc"
  17 #include "resourcepixmap.inc"
  18 #include "track.inc"
  19 #include "tracks.inc"
  20 #include "transitionhandles.inc"
  21 #include "keyframe.inc"
  22 #include "floatauto.inc"
  23
  24 class TrackCanvas : public BC_SubWindow
  25 {
  26 public:
  27         TrackCanvas(MWindow *mwindow, MWindowGUI *gui);
  28         ~TrackCanvas();
  29
  30         int create_objects();
  31         void resize_event();
  32         int drag_start_event();
  33         int drag_motion_event();
  34         int cursor_leave_event();
  35         int drag_stop_event();
  36         int keypress_event();
  37         void draw_resources(int force = 0,  // Redraw everything
  38                 int indexes_only = 0,     // Redraw only certain audio resources with indexes
  39                 Asset *index_asset = 0);
  40         void draw_highlight_rectangle(int x, int y, int w, int h);
  41         void draw_highlight_insertion(int x, int y, int w, int h);
  42         void draw_playback_cursor();
  43         void draw_highlighting();
  44 // User can either call draw or draw_overlays to copy a fresh
  45 // canvas and just draw the overlays over it
  46         void draw_overlays();
  47         void update_handles();
  48 // Convert edit coords to transition coords
  49         void get_transition_coords(int64_t &x, int64_t &y, int64_t &w, int64_t &h);
  50         void get_handle_coords(Edit *edit,
  51                 int64_t &x,
  52                 int64_t &y,
  53                 int64_t &w,
  54                 int64_t &h,
  55                 int side);
  56         void draw_title(Edit *edit,
  57                 int64_t edit_x,
  58                 int64_t edit_y,
  59                 int64_t edit_w,
  60                 int64_t edit_h);
  61         void draw_automation();
  62         void draw_inout_points();
  63         void draw_auto(Auto *current,
  64                 int x,
  65                 int y,
  66                 int center_pixel,
  67                 int zoom_track,
  68                 int color);
  69         void draw_floatauto(Auto *current,
  70                 int x,
  71                 int y,
  72                 int in_x,
  73                 int in_y,
  74                 int out_x,
  75                 int out_y,
  76                 int center_pixel,
  77                 int zoom_track,
  78                 int color);
  79         int test_auto(Auto *current,
  80                 int x,
  81                 int y,
  82                 int center_pixel,
  83                 int zoom_track,
  84                 int cursor_x,
  85                 int cursor_y,
  86                 int buttonpress);
  87         int test_floatauto(Auto *current,
  88                 int x,
  89                 int y,
  90                 int in_x,
  91                 int in_y,
  92                 int out_x,
  93                 int out_y,
  94                 int center_pixel,
  95                 int zoom_track,
  96                 int cursor_x,
  97                 int cursor_y,
  98                 int buttonpress);
  99         void draw_floatline(int center_pixel,
 100                 FloatAuto *previous,
 101                 FloatAuto *current,
 102                 FloatAutos *autos,
 103                 double unit_start,
 104                 double zoom_units,
 105                 double yscale,
 106                 int ax,
 107                 int ay,
 108                 int ax2,
 109                 int ay2,
 110                 int color);
 111         int test_floatline(int center_pixel,
 112                 FloatAutos *autos,
 113                 double unit_start,
 114                 double zoom_units,
 115                 double yscale,
 116                 int x1,
 117                 int x2,
 118                 int cursor_x,
 119                 int cursor_y,
 120                 int buttonpress);
 121         void draw_toggleline(int center_pixel,
 122                 int ax,
 123                 int ay,
 124                 int ax2,
 125                 int ay2,
 126                 int color);
 127         int test_toggleline(Autos *autos,
 128                 int center_pixel,
 129                 int x1,
 130                 int y1,
 131                 int x2,
 132                 int y2,
 133                 int cursor_x,
 134                 int cursor_y,
 135                 int buttonpress);
 136         int do_keyframes(int cursor_x,
 137                 int cursor_y,
 138                 int draw,
 139                 int buttonpress,
 140                 int &new_cursor,
 141                 int &update_cursor,
 142                 int &rerender);
 143
 144         int do_float_autos(Track *track,
 145                 Autos *autos,
 146                 int cursor_x,
 147                 int cursor_y,
 148                 int draw,
 149                 int buttonpress,
 150                 int color,
 151                 Auto * &auto_instance);
 152
 153         int do_toggle_autos(Track *track,
 154                 Autos *autos,
 155                 int cursor_x,
 156                 int cursor_y,
 157                 int draw,
 158                 int buttonpress,
 159                 int color,
 160                 Auto * &auto_instance);
 161         int do_autos(Track *track,
 162                 Autos *autos,
 163                 int cursor_x,
 164                 int cursor_y,
 165                 int draw,
 166                 int buttonpress,
 167                 BC_Pixmap *pixmap,
 168                 Auto * &auto_instance);
 169         int do_plugin_autos(Track *track,
 170                 int cursor_x,
 171                 int cursor_y,
 172                 int draw,
 173                 int buttonpress,
 174                 Plugin* &keyframe_plugin,
 175                 KeyFrame* &keyframe_instance);
 176
 177
 178         void calculate_viewport(Track *track,
 179                 double &view_start,
 180                 double &unit_start,
 181                 double &view_end,
 182                 double &unit_end,
 183                 double &yscale,
 184                 int &center_pixel,
 185                 double &zoom_sample,
 186                 double &zoom_units);
 187
 188 // Convert percentage position inside track to value.
 189 // if is_toggle is 1, the result is either 0 or 1.
 190 // if reference is nonzero and a FloatAuto,
 191 //     the result is made relative to the value in reference.
 192         float percentage_to_value(float percentage,
 193                 int is_toggle,
 194                 Auto *reference);
 195
 196 // Get x and y of a FloatAuto relative to center_pixel
 197         void calculate_auto_position(double *x,
 198                 double *y,
 199                 double *in_x,
 200                 double *in_y,
 201                 double *out_x,
 202                 double *out_y,
 203                 Auto *current,
 204                 double unit_start,
 205                 double zoom_units,
 206                 double yscale);
 207         void synchronize_autos(float change, Track *skip, FloatAuto *fauto, int fill_gangs);
 208
 209
 210         void draw_brender_start();
 211         void draw_loop_points();
 212         void draw_transitions();
 213         void draw_drag_handle();
 214         void draw_plugins();
 215         void update_edit_handles(Edit *edit, int64_t edit_x, int64_t edit_y, int64_t edit_w, int64_t edit_h);
 216         void update_transitions();
 217         void update_keyframe_handles(Track *track);
 218 // Draw everything to synchronize with the view
 219         void draw(int force = 0, int hide_cursor = 1);
 220 // Draw resources during index building
 221         void draw_indexes(Asset *asset);
 222 // Get location of edit on screen without boundary checking
 223         void edit_dimensions(Edit *edit, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
 224         void track_dimensions(Track *track, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
 225         void plugin_dimensions(Plugin *plugin, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
 226         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);
 227         ResourcePixmap* create_pixmap(Edit *edit, int64_t edit_x, int64_t pixmap_x, int64_t pixmap_w, int64_t pixmap_h);
 228         int set_index_file(int flash, Asset *asset);
 229         void update_cursor();
 230 // Get edit and handle the cursor is over
 231         int do_edit_handles(int cursor_x,
 232                 int cursor_y,
 233                 int button_press,
 234                 int &redraw,
 235                 int &rerender);
 236 // Get plugin and handle the cursor if over
 237         int do_plugin_handles(int cursor_x,
 238                 int cursor_y,
 239                 int button_press,
 240                 int &redraw,
 241                 int &rerender);
 242 // Get edit the cursor is over
 243         int do_edits(int cursor_x,
 244                 int cursor_y,
 245                 int button_press,
 246                 int drag_start,
 247                 int &redraw,
 248                 int &rerender,
 249                 int &new_cursor,
 250                 int &update_cursor);
 251         int do_tracks(int cursor_x,
 252                 int cursor_y,
 253                 int button_press);
 254         int test_resources(int cursor_x, int cursor_y);
 255         int do_plugins(int cursor_x,
 256                 int cursor_y,
 257                 int drag_start,
 258                 int button_press,
 259                 int &redraw,
 260                 int &rerender);
 261         int do_transitions(int cursor_x,
 262                 int cursor_y,
 263                 int button_press,
 264                 int &new_cursor,
 265                 int &update_cursor);
 266         int button_press_event();
 267         int button_release_event();
 268         int cursor_motion_event();
 269         int activate();
 270         int deactivate();
 271         int repeat_event(int64_t duration);
 272         void start_dragscroll();
 273         void stop_dragscroll();
 274         int start_selection(double position);
 275         int drag_motion();
 276         int drag_stop();
 277         int64_t get_drop_position (int *is_insertion, Edit *moved_edit, int64_t moved_edit_length);
 278         void end_edithandle_selection();
 279         void end_pluginhandle_selection();
 280 // Number of seconds spanned by the trackcanvas
 281         double time_visible();
 282         void update_drag_handle();
 283         int update_drag_edit();
 284         int update_drag_floatauto(int cursor_x, int cursor_y);
 285         int update_drag_toggleauto(int cursor_x, int cursor_y);
 286         int update_drag_auto(int cursor_x, int cursor_y);
 287         int update_drag_pluginauto(int cursor_x, int cursor_y);
 288
 289 // Update status bar to reflect drag operation
 290         void update_drag_caption();
 291
 292         int get_title_h();
 293         int resource_h();
 294
 295 // Display hourglass if timer expired
 296         void test_timer();
 297
 298
 299         MWindow *mwindow;
 300         MWindowGUI *gui;
 301         ArrayList<ResourcePixmap*> resource_pixmaps;
 302 // Allows overlays to get redrawn without redrawing the resources
 303         BC_Pixmap *background_pixmap;
 304         BC_DragWindow *drag_popup;
 305         BC_Pixmap *transition_pixmap;
 306         EditHandles *edit_handles;
 307 //      TransitionHandles *transition_handles;
 308         BC_Pixmap *keyframe_pixmap;
 309         BC_Pixmap *camerakeyframe_pixmap;
 310         BC_Pixmap *modekeyframe_pixmap;
 311         BC_Pixmap *pankeyframe_pixmap;
 312         BC_Pixmap *projectorkeyframe_pixmap;
 313         BC_Pixmap *maskkeyframe_pixmap;
 314         int active;
 315 // Currently in a drag scroll operation
 316         int drag_scroll;
 317 // Don't stop hourglass if it was never started before the operation.
 318         int hourglass_enabled;
 319
 320 // Temporary for picon drawing
 321         VFrame *temp_picon;
 322 // Timer for hourglass
 323         Timer *resource_timer;
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340 // event handlers
 341         int button_release();
 342         int draw_playback_cursor(int pixel, int flash = 1);
 343         int draw_loop_point(int64_t position, int flash);
 344         void draw_paste_destination();
 345
 346         int draw_floating_handle(int flash);
 347
 348
 349 private:
 350         int end_translation();
 351
 352 // ====================================== cursor selection type
 353         int auto_selected;               // 1 if automation selected
 354         int translate_selected;          // 1 if video translation selected
 355
 356         int handle_selected;       // if a handle is selected
 357                                                                 // 1 if not floating yet
 358                                                                 // 2 if floating
 359         int which_handle;           // 1 left or 2 right handle
 360         int64_t handle_oldposition;       // original position of handle
 361         int64_t handle_position;           // current position of handle
 362         int handle_pixel;                // original pixel position of pointer in window
 363         int handle_mode;   // Determined by which button was pressed
 364
 365         int current_end;       // end of selection 1 left 2 right
 366         double selection_midpoint1, selection_midpoint2;        // division between current ends
 367         int region_selected;         // 1 if region selected
 368         int selection_type;  // Whether an edit or a sample is selected
 369
 370         int auto_reposition(int &cursor_x, int &cursor_y, int64_t cursor_position);
 371         int update_selection(int64_t cursor_position);
 372         int update_handle_selection(int64_t cursor_position);
 373 };
 374
 375 #endif