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(0);
  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         unlock_window();
 100         int result = 1;
 101         switch( key ) {
 102         case 'f':
 103                 canvas->use_fullscreen(canvas->get_fullscreen() ? 0 : 1);
 104                 break;
 105         case ESC:
 106                 canvas->use_fullscreen(0);
 107                 break;
 108         default:
 109                 mwindow->gui->lock_window("ZWindowGUI::keypress_event");
 110                 result = mwindow->gui->mbuttons->transport->do_keypress(key);
 111                 mwindow->gui->unlock_window();
 112         }
 113
 114         lock_window("ZWindowGUI::keypress_event 1");
 115         return result;
 116 }
 117
 118 int ZWindowGUI::button_press_event()
 119 {
 120         mwindow->select_zwindow(zwindow);
 121         if( get_double_click() ) {
 122                 unlock_window();
 123                 mwindow->gui->lock_window("ZWindowGUI::button_press_event 0");
 124                 LocalSession *local_session = mwindow->edl->local_session;
 125                 double start = local_session->get_selectionstart(1);
 126                 double end = local_session->get_selectionend(1);
 127                 if( EQUIV(start, end) ) {
 128                         start = mwindow->edl->tracks->total_recordable_length();
 129                         if( start < 0 ) start = end;
 130                 }
 131                 if( (end-start) > 1e-4 ) {
 132                         LocalSession *zlocal_session = zwindow->edl->local_session;
 133                         zlocal_session->set_selectionstart(end);
 134                         zlocal_session->set_selectionend(end);
 135                         zlocal_session->set_inpoint(start);
 136                         zlocal_session->set_outpoint(end);
 137                         double orig_inpoint = local_session->get_inpoint();
 138                         double orig_outpoint = local_session->get_outpoint();
 139                         local_session->set_selectionstart(end);
 140                         local_session->set_selectionend(end);
 141                         local_session->set_inpoint(start);
 142                         local_session->set_outpoint(end);
 143                         mwindow->overwrite(zwindow->edl, 0);
 144                         local_session->set_inpoint(orig_inpoint);
 145                         local_session->set_outpoint(orig_outpoint);
 146                         mwindow->gui->update_timebar(1);
 147                 }
 148                 mwindow->gui->unlock_window();
 149                 lock_window("ZWindowGUI::button_press_event 1");
 150         }
 151         if( !canvas->get_canvas() ) return 0;
 152         return canvas->button_press_event_base(canvas->get_canvas());
 153 }
 154
 155 int ZWindowGUI::cursor_leave_event()
 156 {
 157         if( !canvas->get_canvas() ) return 0;
 158         return canvas->cursor_leave_event_base(canvas->get_canvas());
 159 }
 160
 161 int ZWindowGUI::cursor_enter_event()
 162 {
 163         if( !canvas->get_canvas() ) return 0;
 164         return canvas->cursor_enter_event_base(canvas->get_canvas());
 165 }
 166
 167 int ZWindowGUI::button_release_event()
 168 {
 169         if( !canvas->get_canvas() ) return 0;
 170         return canvas->button_release_event();
 171 }
 172
 173 int ZWindowGUI::cursor_motion_event()
 174 {
 175         BC_WindowBase *cvs = canvas->get_canvas();
 176         if( !cvs ) return 0;
 177         cvs->unhide_cursor();
 178         return canvas->cursor_motion_event();
 179 }
 180
 181 int ZWindowGUI::draw_overlays()
 182 {
 183         BC_WindowBase *cvs = canvas->get_canvas();
 184         if( !cvs || cvs->get_video_on() ) return 0;
 185         if( highlighted != zwindow->highlighted ) {
 186                 highlighted = zwindow->highlighted;
 187                 cvs->set_color(WHITE);
 188                 cvs->set_inverse();
 189                 cvs->draw_rectangle(0, 0, cvs->get_w(), cvs->get_h());
 190                 cvs->draw_rectangle(1, 1, cvs->get_w() - 2, cvs->get_h() - 2);
 191                 cvs->set_opaque();
 192         }
 193         return 1;
 194 }
 195
 196 ZWindowCanvas::ZWindowCanvas(MWindow *mwindow, ZWindowGUI *gui,
 197                 int x, int y, int w, int h)
 198  : Canvas(mwindow, gui, x,y, w,h, 0,0,0)
 199 {
 200         this->mwindow = mwindow;
 201         this->gui = gui;
 202 }
 203
 204 void ZWindowCanvas::close_source()
 205 {
 206         gui->unlock_window();
 207         gui->zwindow->zgui->playback_engine->interrupt_playback(1);
 208         gui->lock_window("ZWindowCanvas::close_source");
 209         EDL *edl = gui->zwindow->edl;
 210         if( edl ) {
 211                 gui->zwindow->edl = 0;
 212                 edl->remove_user();
 213         }
 214 }
 215
 216
 217 void ZWindowCanvas::draw_refresh(int flush)
 218 {
 219         EDL *edl = gui->zwindow->edl;
 220         BC_WindowBase *cvs = get_canvas();
 221         int dirty = 0;
 222
 223         if( !cvs->get_video_on() ) {
 224                 cvs->clear_box(0, 0, cvs->get_w(), cvs->get_h());
 225                 gui->highlighted = 0;
 226                 dirty = 1;
 227         }
 228         if( !cvs->get_video_on() && refresh_frame && edl ) {
 229                 float in_x1, in_y1, in_x2, in_y2;
 230                 float out_x1, out_y1, out_x2, out_y2;
 231                 get_transfers(edl,
 232                         in_x1, in_y1, in_x2, in_y2,
 233                         out_x1, out_y1, out_x2, out_y2);
 234                 cvs->draw_vframe(refresh_frame,
 235                         (int)out_x1, (int)out_y1, (int)(out_x2 - out_x1), (int)(out_y2 - out_y1),
 236                         (int)in_x1, (int)in_y1, (int)(in_x2 - in_x1), (int)(in_y2 - in_y1), 0);
 237                 dirty = 1;
 238         }
 239
 240         if( gui->draw_overlays() )
 241                 dirty = 1;
 242
 243         if( dirty )
 244                 cvs->flash(flush);
 245 }
 246
 247 float ZWindowCanvas::get_auto_zoom()
 248 {
 249         EDL *edl = gui->zwindow->edl;
 250         if( !edl ) edl = mwindow->edl;
 251         float conformed_w, conformed_h;
 252         edl->calculate_conformed_dimensions(0, conformed_w, conformed_h);
 253         BC_WindowBase *window = get_canvas();
 254         int cw = window ? window->get_w() : w;
 255         int ch = window ? window->get_h() : h;
 256         float zoom_x = cw / conformed_w;
 257         float zoom_y = ch / conformed_h;
 258         return zoom_x < zoom_y ? zoom_x : zoom_y;
 259 }
 260