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 }
  51
  52 ZWindowGUI::~ZWindowGUI()
  53 {
  54         delete playback_engine;
  55         delete canvas;
  56 }
  57
  58 void ZWindowGUI::create_objects()
  59 {
  60         lock_window("ZWindowGUI::create_objects");
  61
  62         canvas = new ZWindowCanvas(mwindow, this,
  63                         xS(10),yS(10), get_w()-xS(20),get_h()-yS(20));
  64         canvas->create_objects(mwindow->edl);
  65         playback_engine = new PlaybackEngine(mwindow, canvas);
  66         playback_engine->create_objects();
  67
  68         deactivate();
  69         show_window();
  70         unlock_window();
  71 }
  72
  73 int ZWindowGUI::resize_event(int w, int h)
  74 {
  75         canvas->reposition_window(0,
  76                         xS(10),yS(10), w-xS(20),h-yS(20));
  77         zwindow->reposition(get_x(), get_y(), w, h);
  78         BC_WindowBase::resize_event(w, h);
  79         return 1;
  80 }
  81 int ZWindowGUI::translation_event()
  82 {
  83         return resize_event(get_w(),get_h());
  84 }
  85
  86 int ZWindowGUI::close_event()
  87 {
  88         set_done(1);
  89         return 1;
  90 }
  91
  92 int ZWindowGUI::keypress_event()
  93 {
  94         int key = get_keypress();
  95         if( key == 'w' || key == 'W' ) {
  96                 close_event();
  97                 return 1;
  98         }
  99         int result = 1;
 100         switch( key ) {
 101         case 'f': {
 102                 int on = canvas->get_fullscreen() ? 0 : 1;
 103                 canvas->set_fullscreen(on, 1);
 104                 break; }
 105         case ESC:
 106                 canvas->set_fullscreen(0, 1);
 107                 break;
 108         default:
 109                 unlock_window();
 110                 mwindow->gui->lock_window("ZWindowGUI::keypress_event");
 111                 result = mwindow->gui->mbuttons->transport->do_keypress(key);
 112                 mwindow->gui->unlock_window();
 113                 lock_window("ZWindowGUI::keypress_event 1");
 114         }
 115
 116         return result;
 117 }
 118
 119 int ZWindowGUI::button_press_event()
 120 {
 121         mwindow->select_zwindow(zwindow);
 122         if( get_double_click() ) {
 123                 unlock_window();
 124                 mwindow->gui->lock_window("ZWindowGUI::button_press_event 0");
 125                 LocalSession *local_session = mwindow->edl->local_session;
 126                 double start = local_session->get_selectionstart(1);
 127                 double end = local_session->get_selectionend(1);
 128                 if( EQUIV(start, end) ) {
 129                         start = mwindow->edl->tracks->total_recordable_length();
 130                         if( start < 0 ) start = end;
 131                 }
 132                 if( (end-start) > 1e-4 ) {
 133                         LocalSession *zlocal_session = zwindow->edl->local_session;
 134                         zlocal_session->set_selectionstart(end);
 135                         zlocal_session->set_selectionend(end);
 136                         zlocal_session->set_inpoint(start);
 137                         zlocal_session->set_outpoint(end);
 138                         double orig_inpoint = local_session->get_inpoint();
 139                         double orig_outpoint = local_session->get_outpoint();
 140                         local_session->set_selectionstart(end);
 141                         local_session->set_selectionend(end);
 142                         local_session->set_inpoint(start);
 143                         local_session->set_outpoint(end);
 144                         mwindow->overwrite(zwindow->edl, 0);
 145                         local_session->set_inpoint(orig_inpoint);
 146                         local_session->set_outpoint(orig_outpoint);
 147                         mwindow->gui->update_timebar(1);
 148                 }
 149                 mwindow->gui->unlock_window();
 150                 lock_window("ZWindowGUI::button_press_event 1");
 151         }
 152         if( !canvas->get_canvas() ) return 0;
 153         return canvas->button_press_event_base(canvas->get_canvas());
 154 }
 155
 156 int ZWindowGUI::cursor_leave_event()
 157 {
 158         if( !canvas->get_canvas() ) return 0;
 159         return canvas->cursor_leave_event_base(canvas->get_canvas());
 160 }
 161
 162 int ZWindowGUI::cursor_enter_event()
 163 {
 164         if( !canvas->get_canvas() ) return 0;
 165         return canvas->cursor_enter_event_base(canvas->get_canvas());
 166 }
 167
 168 int ZWindowGUI::button_release_event()
 169 {
 170         if( !canvas->get_canvas() ) return 0;
 171         return canvas->button_release_event();
 172 }
 173
 174 int ZWindowGUI::cursor_motion_event()
 175 {
 176         BC_WindowBase *cvs = canvas->get_canvas();
 177         if( !cvs ) return 0;
 178         cvs->unhide_cursor();
 179         return canvas->cursor_motion_event();
 180 }
 181
 182 int ZWindowGUI::draw_overlays()
 183 {
 184         BC_WindowBase *cvs = canvas->get_canvas();
 185         if( !cvs || cvs->get_video_on() ) return 0;
 186         if( highlighted != zwindow->highlighted ) {
 187                 highlighted = zwindow->highlighted;
 188                 cvs->set_color(WHITE);
 189                 cvs->set_inverse();
 190                 cvs->draw_rectangle(0, 0, cvs->get_w(), cvs->get_h());
 191                 cvs->draw_rectangle(1, 1, cvs->get_w() - 2, cvs->get_h() - 2);
 192                 cvs->set_opaque();
 193         }
 194         return 1;
 195 }
 196
 197
 198 ZWindowCanvasTileMixers::ZWindowCanvasTileMixers(ZWindowCanvas *canvas)
 199  : BC_MenuItem(_("Tile Mixers"))
 200 {
 201         this->canvas = canvas;
 202 }
 203 int ZWindowCanvasTileMixers::handle_event()
 204 {
 205         canvas->mwindow->tile_mixers();
 206         return 1;
 207 }
 208
 209 ZWindowCanvas::ZWindowCanvas(MWindow *mwindow, ZWindowGUI *gui,
 210                 int x, int y, int w, int h)
 211  : Canvas(mwindow, gui, x,y, w,h, 0,0,0)
 212 {
 213         this->mwindow = mwindow;
 214         this->gui = gui;
 215 }
 216
 217 void ZWindowCanvas::create_objects(EDL *edl)
 218 {
 219         Canvas::create_objects(edl);
 220         canvas_menu->add_item(new ZWindowCanvasTileMixers(this));
 221 }
 222
 223 void ZWindowCanvas::close_source()
 224 {
 225         gui->unlock_window();
 226         gui->zwindow->zgui->playback_engine->interrupt_playback(1);
 227         gui->lock_window("ZWindowCanvas::close_source");
 228         EDL *edl = gui->zwindow->edl;
 229         if( edl ) {
 230                 gui->zwindow->edl = 0;
 231                 edl->remove_user();
 232         }
 233 }
 234
 235 void ZWindowCanvas::draw_refresh(int flush)
 236 {
 237         EDL *edl = gui->zwindow->edl;
 238         BC_WindowBase *cvs = get_canvas();
 239         int dirty = 0;
 240
 241         if( !cvs->get_video_on() ) {
 242                 cvs->clear_box(0, 0, cvs->get_w(), cvs->get_h());
 243                 gui->highlighted = 0;
 244                 dirty = 1;
 245         }
 246         if( !cvs->get_video_on() && refresh_frame && edl ) {
 247                 float in_x1, in_y1, in_x2, in_y2;
 248                 float out_x1, out_y1, out_x2, out_y2;
 249                 get_transfers(edl,
 250                         in_x1, in_y1, in_x2, in_y2,
 251                         out_x1, out_y1, out_x2, out_y2);
 252                 cvs->draw_vframe(refresh_frame,
 253                         (int)out_x1, (int)out_y1, (int)(out_x2 - out_x1), (int)(out_y2 - out_y1),
 254                         (int)in_x1, (int)in_y1, (int)(in_x2 - in_x1), (int)(in_y2 - in_y1), 0);
 255                 dirty = 1;
 256         }
 257
 258         if( gui->draw_overlays() )
 259                 dirty = 1;
 260
 261         if( dirty )
 262                 cvs->flash(flush);
 263 }
 264
 265 float ZWindowCanvas::get_auto_zoom()
 266 {
 267         EDL *edl = gui->zwindow->edl;
 268         if( !edl ) edl = mwindow->edl;
 269         float conformed_w, conformed_h;
 270         edl->calculate_conformed_dimensions(0, conformed_w, conformed_h);
 271         BC_WindowBase *window = get_canvas();
 272         int cw = window ? window->get_w() : w;
 273         int ch = window ? window->get_h() : h;
 274         float zoom_x = cw / conformed_w;
 275         float zoom_y = ch / conformed_h;
 276         return zoom_x < zoom_y ? zoom_x : zoom_y;
 277 }
 278
 279 float ZWindowCanvas::get_zoom()
 280 {
 281         return gui->zwindow->zoom;
 282 }
 283 void ZWindowCanvas::update_zoom(int x, int y, float zoom)
 284 {
 285         gui->zwindow->zoom = zoom;
 286 }
 287
 288 void ZWindowCanvas::zoom_auto()
 289 {
 290         EDL *edl = gui->zwindow->edl;
 291         if( !edl ) edl = mwindow->edl;
 292         set_zoom(edl, 0);
 293 }
 294
 295 void ZWindowCanvas::zoom_resize_window(float zoom)
 296 {
 297         if( !zoom ) zoom = get_auto_zoom();
 298         EDL *edl = gui->zwindow->edl;
 299         if( !edl ) edl = mwindow->edl;
 300         int ow = edl->session->output_w, oh = edl->session->output_h;
 301         int canvas_w, canvas_h;
 302         calculate_sizes(mwindow->edl->get_aspect_ratio(), ow, oh,
 303                 zoom, canvas_w, canvas_h);
 304         int new_w = canvas_w + xS(20);
 305         int new_h = canvas_h + yS(20);
 306         gui->resize_window(new_w, new_h);
 307         gui->resize_event(new_w, new_h);
 308 }