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 "bezierauto.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_playback_cursor();
  42         void draw_highlighting();
  43 // User can either call draw or draw_overlays to copy a fresh
  44 // canvas and just draw the overlays over it
  45         void draw_overlays();
  46         void update_handles();
  47 // Convert edit coords to transition coords
  48         void get_transition_coords(int64_t &x, int64_t &y, int64_t &w, int64_t &h);
  49         void get_handle_coords(Edit *edit,
  50                 int64_t &x,
  51                 int64_t &y,
  52                 int64_t &w,
  53                 int64_t &h,
  54                 int side);
  55         void draw_title(Edit *edit,
  56                 int64_t edit_x,
  57                 int64_t edit_y,
  58                 int64_t edit_w,
  59                 int64_t edit_h);
  60         void draw_automation();
  61         void draw_inout_points();
  62         void draw_auto(Auto *current,
  63                 int x,
  64                 int y,
  65                 int center_pixel,
  66                 int zoom_track,
  67                 int color);
  68         void draw_floatauto(Auto *current,
  69                 int x,
  70                 int y,
  71                 int in_x,
  72                 int in_y,
  73                 int out_x,
  74                 int out_y,
  75                 int center_pixel,
  76                 int zoom_track,
  77                 int color);
  78         int test_auto(Auto *current,
  79                 int x,
  80                 int y,
  81                 int center_pixel,
  82                 int zoom_track,
  83                 int cursor_x,
  84                 int cursor_y,
  85                 int buttonpress);
  86         int test_floatauto(Auto *current,
  87                 int x,
  88                 int y,
  89                 int in_x,
  90                 int in_y,
  91                 int out_x,
  92                 int out_y,
  93                 int center_pixel,
  94                 int zoom_track,
  95                 int cursor_x,
  96                 int cursor_y,
  97                 int buttonpress);
  98         void draw_floatline(int center_pixel,
  99                 FloatAuto *previous,
 100                 FloatAuto *current,
 101                 FloatAutos *autos,
 102                 double unit_start,
 103                 double zoom_units,
 104                 double yscale,
 105                 int ax,
 106                 int ay,
 107                 int ax2,
 108                 int ay2,
 109                 int color);
 110         int test_floatline(int center_pixel,
 111                 FloatAutos *autos,
 112                 double unit_start,
 113                 double zoom_units,
 114                 double yscale,
 115                 int x1,
 116                 int x2,
 117                 int cursor_x,
 118                 int cursor_y,
 119                 int buttonpress);
 120         void draw_toggleline(int center_pixel,
 121                 int ax,
 122                 int ay,
 123                 int ax2,
 124                 int ay2,
 125                 int color);
 126         int test_toggleline(Autos *autos,
 127                 int center_pixel,
 128                 int x1,
 129                 int y1,
 130                 int x2,
 131                 int y2,
 132                 int cursor_x,
 133                 int cursor_y,
 134                 int buttonpress);
 135         int do_keyframes(int cursor_x,
 136                 int cursor_y,
 137                 int draw,
 138                 int buttonpress,
 139                 int &new_cursor,
 140                 int &update_cursor,
 141                 int &rerender);
 142
 143         int do_float_autos(Track *track,
 144                 Autos *autos,
 145                 int cursor_x,
 146                 int cursor_y,
 147                 int draw,
 148                 int buttonpress,
 149                 int color,
 150                 Auto * &auto_instance);
 151
 152         int do_toggle_autos(Track *track,
 153                 Autos *autos,
 154                 int cursor_x,
 155                 int cursor_y,
 156                 int draw,
 157                 int buttonpress,
 158                 int color,
 159                 Auto * &auto_instance);
 160         int do_autos(Track *track,
 161                 Autos *autos,
 162                 int cursor_x,
 163                 int cursor_y,
 164                 int draw,
 165                 int buttonpress,
 166                 BC_Pixmap *pixmap,
 167                 Auto * &auto_instance);
 168         int do_plugin_autos(Track *track,
 169                 int cursor_x,
 170                 int cursor_y,
 171                 int draw,
 172                 int buttonpress,
 173                 Plugin* &keyframe_plugin,
 174                 KeyFrame* &keyframe_instance);
 175
 176
 177         void calculate_viewport(Track *track,
 178                 double &view_start,
 179                 double &unit_start,
 180                 double &view_end,
 181                 double &unit_end,
 182                 double &yscale,
 183                 int &center_pixel,
 184                 double &zoom_sample,
 185                 double &zoom_units);
 186
 187         void synchronize_autos(float change, Track *skip, FloatAuto *fauto, int fill_gangs);
 188
 189
 190         void draw_brender_start();
 191         void draw_loop_points();
 192         void draw_transitions();
 193         void draw_drag_handle();
 194         void draw_plugins();
 195         void update_edit_handles(Edit *edit, int64_t edit_x, int64_t edit_y, int64_t edit_w, int64_t edit_h);
 196         void update_transitions();
 197         void update_keyframe_handles(Track *track);
 198         void get_keyframe_sizes(Track *track, BezierAuto *current, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
 199 // Draw everything to synchronize with the view
 200         void draw(int force = 0, int hide_cursor = 1);
 201 // Draw resources during index building
 202         void draw_indexes(Asset *asset);
 203 // Get location of edit on screen without boundary checking
 204         void edit_dimensions(Edit *edit, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
 205         void track_dimensions(Track *track, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
 206         void plugin_dimensions(Plugin *plugin, int64_t &x, int64_t &y, int64_t &w, int64_t &h);
 207         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);
 208         ResourcePixmap* create_pixmap(Edit *edit, int64_t edit_x, int64_t pixmap_x, int64_t pixmap_w, int64_t pixmap_h);
 209         int set_index_file(int flash, Asset *asset);
 210         void update_cursor();
 211 // Get edit and handle the cursor is over
 212         int test_edit_handles(int cursor_x,
 213                 int cursor_y,
 214                 int button_press,
 215                 int &redraw,
 216                 int &rerender);
 217 // Get plugin and handle the cursor if over
 218         int test_plugin_handles(int cursor_x,
 219                 int cursor_y,
 220                 int button_press,
 221                 int &redraw,
 222                 int &rerender);
 223 // Get edit the cursor is over
 224         int test_edits(int cursor_x,
 225                 int cursor_y,
 226                 int button_press,
 227                 int drag_start,
 228                 int &redraw,
 229                 int &rerender,
 230                 int &new_cursor,
 231                 int &update_cursor);
 232         int test_tracks(int cursor_x,
 233                 int cursor_y,
 234                 int button_press);
 235         int test_resources(int cursor_x, int cursor_y);
 236         int test_plugins(int cursor_x,
 237                 int cursor_y,
 238                 int drag_start,
 239                 int button_press,
 240                 int &redraw,
 241                 int &rerender);
 242         int test_transitions(int cursor_x,
 243                 int cursor_y,
 244                 int button_press,
 245                 int &new_cursor,
 246                 int &update_cursor);
 247         int button_press_event();
 248         int button_release_event();
 249         int cursor_motion_event();
 250         int activate();
 251         int deactivate();
 252         int repeat_event(int64_t duration);
 253         void start_dragscroll();
 254         void stop_dragscroll();
 255         int start_selection(double position);
 256         int drag_motion();
 257         int drag_stop();
 258         void end_edithandle_selection();
 259         void end_pluginhandle_selection();
 260 // Number of seconds spanned by the trackcanvas
 261         double time_visible();
 262         void update_drag_handle();
 263         int update_drag_edit();
 264         int update_drag_floatauto(int cursor_x, int cursor_y);
 265         int update_drag_toggleauto(int cursor_x, int cursor_y);
 266         int update_drag_auto(int cursor_x, int cursor_y);
 267         int update_drag_pluginauto(int cursor_x, int cursor_y);
 268
 269 // Update status bar to reflect drag operation
 270         void update_drag_caption();
 271
 272         int get_title_h();
 273         int resource_h();
 274
 275         MWindow *mwindow;
 276         MWindowGUI *gui;
 277         ArrayList<ResourcePixmap*> resource_pixmaps;
 278 // Allows overlays to get redrawn without redrawing the resources
 279         BC_Pixmap *background_pixmap;
 280         BC_DragWindow *drag_popup;
 281         BC_Pixmap *transition_pixmap;
 282         EditHandles *edit_handles;
 283 //      TransitionHandles *transition_handles;
 284         BC_Pixmap *keyframe_pixmap;
 285         BC_Pixmap *camerakeyframe_pixmap;
 286         BC_Pixmap *modekeyframe_pixmap;
 287         BC_Pixmap *pankeyframe_pixmap;
 288         BC_Pixmap *projectorkeyframe_pixmap;
 289         BC_Pixmap *maskkeyframe_pixmap;
 290         int active;
 291 // Currently in a drag scroll operation
 292         int drag_scroll;
 293
 294
 295 // Temporary for picon drawing
 296         VFrame *temp_picon;
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310 // event handlers
 311         int button_release();
 312         int draw_playback_cursor(int pixel, int flash = 1);
 313         int draw_loop_point(int64_t position, int flash);
 314         void draw_paste_destination();
 315
 316         int draw_floating_handle(int flash);
 317
 318
 319 private:
 320         int end_translation();
 321
 322 // ====================================== cursor selection type
 323         int auto_selected;               // 1 if automation selected
 324         int translate_selected;          // 1 if video translation selected
 325
 326         int handle_selected;       // if a handle is selected
 327                                                                 // 1 if not floating yet
 328                                                                 // 2 if floating
 329         int which_handle;           // 1 left or 2 right handle
 330         int64_t handle_oldposition;       // original position of handle
 331         int64_t handle_position;           // current position of handle
 332         int handle_pixel;                // original pixel position of pointer in window
 333         int handle_mode;   // Determined by which button was pressed
 334
 335         int current_end;       // end of selection 1 left 2 right
 336         double selection_midpoint1, selection_midpoint2;        // division between current ends
 337         int region_selected;         // 1 if region selected
 338         int selection_type;  // Whether an edit or a sample is selected
 339
 340         int auto_reposition(int &cursor_x, int &cursor_y, int64_t cursor_position);
 341         int update_selection(int64_t cursor_position);
 342         int update_handle_selection(int64_t cursor_position);
 343 };
 344
 345 #endif