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