cinelerra-5.1/cinelerra/zwindowgui.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 1997-2011 Adam Williams <broadcast at earthling dot net>
   5  *
   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.
  10  *
  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.
  15  *
  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
  19  *
  20  */
  21
  22 #include "bcwindow.h"
  23 #include "canvas.h"
  24 #include "edl.h"
  25 #include "edlsession.h"
  26 #include "keys.h"
  27 #include "language.h"
  28 #include "localsession.h"
  29 #include "mainmenu.h"
  30 #include "mainsession.h"
  31 #include "mbuttons.h"
  32 #include "mwindow.h"
  33 #include "mwindowgui.h"
  34 #include "playbackengine.h"
  35 #include "theme.h"
  36 #include "tracks.h"
  37 #include "zwindow.h"
  38 #include "zwindowgui.h"
  39
  40 ZWindowGUI::ZWindowGUI(MWindow *mwindow, ZWindow *zwindow, Mixer *mixer)
  41  : BC_Window(zwindow->title, mixer->x, mixer->y, mixer->w, mixer->h,
  42         xS(100), yS(75), 1, 1, 0)
  43 {
  44         this->mwindow = mwindow;
  45         this->zwindow = zwindow;
  46
  47         canvas = 0;
  48         playback_engine = 0;
  49         highlighted = 0;
  50         playable = zwindow->playable;
  51 // *** CONTEXT_HELP ***
  52         context_help_set_keyword("Multi-Camera");
  53 }
  54
  55 ZWindowGUI::~ZWindowGUI()
  56 {
  57         delete playback_engine;
  58         delete canvas;
  59 }
  60
  61 void ZWindowGUI::create_objects()
  62 {
  63         lock_window("ZWindowGUI::create_objects");
  64
  65         canvas = new ZWindowCanvas(mwindow, this,
  66                         xS(10),yS(10), get_w()-xS(20),get_h()-yS(20));
  67         canvas->create_objects(mwindow->edl);
  68         playback_engine = new PlaybackEngine(mwindow, canvas);
  69         playback_engine->create_objects();
  70
  71         deactivate();
  72         show_window();
  73         unlock_window();
  74 }
  75
  76 int ZWindowGUI::resize_event(int w, int h)
  77 {
  78         canvas->reposition_window(0,
  79                         xS(10),yS(10), w-xS(20),h-yS(20));
  80         zwindow->reposition(get_x(), get_y(), w, h);
  81         BC_WindowBase::resize_event(w, h);
  82         return 1;
  83 }
  84 int ZWindowGUI::translation_event()
  85 {
  86         return resize_event(get_w(),get_h());
  87 }
  88
  89 int ZWindowGUI::close_event()
  90 {
  91         set_done(1);
  92         return 1;
  93 }
  94
  95 int ZWindowGUI::keypress_event()
  96 {
  97         int key = get_keypress();
  98         if( key == 'w' || key == 'W' ) {
  99                 close_event();
 100                 return 1;
 101         }
 102         int result = 1;
 103         switch( key ) {
 104         case 'f': {
 105                 int on = canvas->get_fullscreen() ? 0 : 1;
 106                 canvas->set_fullscreen(on, 1);
 107                 break; }
 108         case ESC:
 109                 canvas->set_fullscreen(0, 1);
 110                 break;
 111         default:
 112                 unlock_window();
 113                 mwindow->gui->lock_window("ZWindowGUI::keypress_event");
 114                 result = mwindow->gui->mbuttons->transport->do_keypress(key);
 115                 mwindow->gui->unlock_window();
 116                 lock_window("ZWindowGUI::keypress_event 1");
 117         }
 118
 119         if( !result )
 120                 result = context_help_check_and_show();
 121
 122         return result;
 123 }
 124
 125 int ZWindowGUI::button_press_event()
 126 {
 127         mwindow->select_zwindow(zwindow);
 128         if( get_double_click() ) {
 129                 unlock_window();
 130                 mwindow->gui->lock_window("ZWindowGUI::button_press_event 0");
 131                 LocalSession *local_session = mwindow->edl->local_session;
 132                 double start = local_session->get_selectionstart(1);
 133                 double end = local_session->get_selectionend(1);
 134                 if( EQUIV(start, end) ) {
 135                         start = mwindow->edl->tracks->total_recordable_length();
 136                         if( start < 0 ) start = end;
 137                 }
 138                 if( (end-start) > 1e-4 && zwindow->edl ) {
 139                         LocalSession *zlocal_session = zwindow->edl->local_session;
 140                         zlocal_session->set_selectionstart(end);
 141                         zlocal_session->set_selectionend(end);
 142                         zlocal_session->set_inpoint(start);
 143                         zlocal_session->set_outpoint(end);
 144                         double orig_inpoint = local_session->get_inpoint();
 145                         double orig_outpoint = local_session->get_outpoint();
 146                         local_session->set_selectionstart(end);
 147                         local_session->set_selectionend(end);
 148                         local_session->set_inpoint(start);
 149                         local_session->set_outpoint(end);
 150                         mwindow->overwrite(zwindow->edl, 0);
 151                         local_session->set_inpoint(orig_inpoint);
 152                         local_session->set_outpoint(orig_outpoint);
 153                         mwindow->gui->update_timebar(1);
 154                 }
 155                 mwindow->gui->unlock_window();
 156                 lock_window("ZWindowGUI::button_press_event 1");
 157         }
 158         if( !canvas->get_canvas() ) return 0;
 159         return canvas->button_press_event_base(canvas->get_canvas());
 160 }
 161
 162 int ZWindowGUI::cursor_leave_event()
 163 {
 164         if( !canvas->get_canvas() ) return 0;
 165         return canvas->cursor_leave_event_base(canvas->get_canvas());
 166 }
 167
 168 int ZWindowGUI::cursor_enter_event()
 169 {
 170         if( !canvas->get_canvas() ) return 0;
 171         return canvas->cursor_enter_event_base(canvas->get_canvas());
 172 }
 173
 174 int ZWindowGUI::button_release_event()
 175 {
 176         if( !canvas->get_canvas() ) return 0;
 177         return canvas->button_release_event();
 178 }
 179
 180 int ZWindowGUI::cursor_motion_event()
 181 {
 182         BC_WindowBase *cvs = canvas->get_canvas();
 183         if( !cvs ) return 0;
 184         cvs->unhide_cursor();
 185         return canvas->cursor_motion_event();
 186 }
 187
 188 int ZWindowGUI::draw_overlays()
 189 {
 190         BC_WindowBase *cvs = canvas->get_canvas();
 191         if( !cvs || cvs->get_video_on() ) return 0;
 192         set_highlighted(zwindow->highlighted);
 193         if( !playable ) set_playable(-1);
 194         return 1;
 195 }
 196
 197 void ZWindowGUI::set_highlighted(int v)
 198 {
 199         if( highlighted == v ) return;
 200         highlighted = v;
 201         BC_WindowBase *cvs = canvas->get_canvas();
 202         cvs->set_color(WHITE);
 203         cvs->set_inverse();
 204         cvs->draw_rectangle(0, 0, cvs->get_w(), cvs->get_h());
 205         cvs->draw_rectangle(1, 1, cvs->get_w() - 2, cvs->get_h() - 2);
 206         cvs->set_opaque();
 207 }
 208
 209 void ZWindowGUI::set_playable(int v)
 210 {
 211         if( playable == v ) return;
 212         playable = v>0 ? 1 : 0;
 213         zwindow->playable = playable;
 214         BC_WindowBase *cvs = canvas->get_canvas();
 215         cvs->set_color(WHITE);
 216         cvs->set_inverse();
 217         int dx = cvs->get_w()/16+1, dy = cvs->get_h()/16+1;
 218         int x = xS(5), y = yS(5), lw = (dx + dy)/16+1;
 219         cvs->set_line_width(lw);
 220         cvs->draw_line(x, y, x+dx, y+dy);
 221         cvs->draw_line(x, y+dy, x+dx, y);
 222         cvs->set_opaque();
 223         cvs->set_line_width(1);
 224 }
 225
 226
 227 ZWindowCanvasTileMixers::ZWindowCanvasTileMixers(ZWindowCanvas *canvas)
 228  : BC_MenuItem(_("Tile Mixers"))
 229 {
 230         this->canvas = canvas;
 231 }
 232 int ZWindowCanvasTileMixers::handle_event()
 233 {
 234         canvas->mwindow->tile_mixers();
 235         return 1;
 236 }
 237
 238 ZWindowCanvasPlayable::ZWindowCanvasPlayable(ZWindowCanvas *canvas)
 239  : BC_MenuItem(_("Playable"))
 240 {
 241         this->canvas = canvas;
 242         set_checked(canvas->gui->zwindow->playable);
 243 }
 244 int ZWindowCanvasPlayable::handle_event()
 245 {
 246         int v = !get_checked() ? 1 : 0;
 247         set_checked(v);
 248         canvas->gui->set_playable(v);
 249         canvas->get_canvas()->flash(1);
 250         return 1;
 251 }
 252
 253 ZWindowCanvas::ZWindowCanvas(MWindow *mwindow, ZWindowGUI *gui,
 254                 int x, int y, int w, int h)
 255  : Canvas(mwindow, gui, x,y, w,h, 0,0,0)
 256 {
 257         this->mwindow = mwindow;
 258         this->gui = gui;
 259 }
 260
 261 void ZWindowCanvas::create_objects(EDL *edl)
 262 {
 263         Canvas::create_objects(edl);
 264         canvas_menu->add_item(new ZWindowCanvasTileMixers(this));
 265         canvas_menu->add_item(new ZWindowCanvasPlayable(this));
 266 }
 267
 268 void ZWindowCanvas::close_source()
 269 {
 270         gui->unlock_window();
 271         gui->zwindow->zgui->playback_engine->interrupt_playback(1);
 272         gui->lock_window("ZWindowCanvas::close_source");
 273         EDL *edl = gui->zwindow->edl;
 274         if( edl ) {
 275                 gui->zwindow->edl = 0;
 276                 edl->remove_user();
 277         }
 278 }
 279
 280 void ZWindowCanvas::draw_refresh(int flush)
 281 {
 282         EDL *edl = gui->zwindow->edl;
 283         BC_WindowBase *cvs = get_canvas();
 284         int dirty = 0;
 285
 286         if( !cvs->get_video_on() ) {
 287                 cvs->clear_box(0, 0, cvs->get_w(), cvs->get_h());
 288                 gui->highlighted = 0;
 289                 dirty = 1;
 290         }
 291         if( !cvs->get_video_on() && refresh_frame && edl ) {
 292                 float in_x1, in_y1, in_x2, in_y2;
 293                 float out_x1, out_y1, out_x2, out_y2;
 294                 get_transfers(edl,
 295                         in_x1, in_y1, in_x2, in_y2,
 296                         out_x1, out_y1, out_x2, out_y2);
 297                 cvs->draw_vframe(refresh_frame,
 298                         (int)out_x1, (int)out_y1, (int)(out_x2 - out_x1), (int)(out_y2 - out_y1),
 299                         (int)in_x1, (int)in_y1, (int)(in_x2 - in_x1), (int)(in_y2 - in_y1), 0);
 300                 dirty = 1;
 301         }
 302
 303         if( gui->draw_overlays() )
 304                 dirty = 1;
 305         if( dirty )
 306                 cvs->flash(flush);
 307 }
 308
 309 float ZWindowCanvas::get_auto_zoom()
 310 {
 311         EDL *edl = gui->zwindow->edl;
 312         if( !edl ) edl = mwindow->edl;
 313         float conformed_w, conformed_h;
 314         edl->calculate_conformed_dimensions(0, conformed_w, conformed_h);
 315         BC_WindowBase *window = get_canvas();
 316         int cw = window ? window->get_w() : w;
 317         int ch = window ? window->get_h() : h;
 318         float zoom_x = cw / conformed_w;
 319         float zoom_y = ch / conformed_h;
 320         return zoom_x < zoom_y ? zoom_x : zoom_y;
 321 }
 322
 323 float ZWindowCanvas::get_zoom()
 324 {
 325         return gui->zwindow->zoom;
 326 }
 327 void ZWindowCanvas::update_zoom(int x, int y, float zoom)
 328 {
 329         gui->zwindow->zoom = zoom;
 330 }
 331
 332 void ZWindowCanvas::zoom_auto()
 333 {
 334         EDL *edl = gui->zwindow->edl;
 335         if( !edl ) edl = mwindow->edl;
 336         set_zoom(edl, 0);
 337 }
 338
 339 void ZWindowCanvas::zoom_resize_window(float zoom)
 340 {
 341         if( !zoom ) zoom = get_auto_zoom();
 342         EDL *edl = gui->zwindow->edl;
 343         if( !edl ) edl = mwindow->edl;
 344         int ow = edl->session->output_w, oh = edl->session->output_h;
 345         int canvas_w, canvas_h;
 346         calculate_sizes(mwindow->edl->get_aspect_ratio(), ow, oh,
 347                 zoom, canvas_w, canvas_h);
 348         int new_w = canvas_w + xS(20);
 349         int new_h = canvas_h + yS(20);
 350         gui->resize_window(new_w, new_h);
 351         gui->resize_event(new_w, new_h);
 352 }
 353