cinelerra-5.1/cinelerra/edithandles.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 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 "cursors.h"
  23 #include "edithandles.h"
  24 #include "edithandles.inc"
  25 #include "edit.h"
  26 #include "edits.h"
  27 #include "edl.h"
  28 #include "mwindow.h"
  29 #include "theme.h"
  30 #include "track.h"
  31 #include "tracks.h"
  32 #include "trackcanvas.h"
  33
  34
  35
  36 EditHandle::EditHandle(MWindow *mwindow,
  37                 TrackCanvas *trackcanvas,
  38                 Edit *edit,
  39                 int side,
  40                 int x,
  41                 int y)
  42  : CanvasTool(mwindow,
  43         trackcanvas,
  44         edit,
  45         x,
  46         y,
  47         side == EDIT_IN ? mwindow->theme->edithandlein_data : mwindow->theme->edithandleout_data)
  48 {
  49         this->side = side;
  50 }
  51
  52 EditHandle::~EditHandle()
  53 {
  54 }
  55
  56 int EditHandle::handle_event()
  57 {
  58         return 0;
  59 }
  60
  61
  62
  63
  64
  65 EditHandleIn::EditHandleIn(MWindow *mwindow,
  66         TrackCanvas *trackcanvas,
  67         Edit *edit,
  68         int x,
  69         int y)
  70  : EditHandle(mwindow,
  71                 trackcanvas,
  72                 edit,
  73                 EDIT_IN,
  74                 x,
  75                 y)
  76 {
  77 }
  78
  79 EditHandleIn::~EditHandleIn()
  80 {
  81 }
  82
  83
  84 int EditHandleIn::handle_event()
  85 {
  86         return 1;
  87 }
  88
  89
  90
  91
  92
  93
  94
  95
  96 EditHandleOut::EditHandleOut(MWindow *mwindow,
  97         TrackCanvas *trackcanvas,
  98         Edit *edit,
  99         int x,
 100         int y)
 101  : EditHandle(mwindow,
 102                 trackcanvas,
 103                 edit,
 104                 EDIT_OUT,
 105                 x,
 106                 y)
 107 {
 108         this->mwindow = mwindow;
 109         this->trackcanvas = trackcanvas;
 110         this->edit = edit;
 111         visible = 1;
 112 }
 113
 114 EditHandleOut::~EditHandleOut()
 115 {
 116 }
 117
 118
 119 int EditHandleOut::handle_event()
 120 {
 121         return 1;
 122 }
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133 EditHandles::EditHandles(MWindow *mwindow,
 134                 TrackCanvas *trackcanvas)
 135  : CanvasTools(mwindow, trackcanvas)
 136 {
 137 }
 138
 139 EditHandles::~EditHandles()
 140 {
 141 }
 142
 143 void EditHandles::update()
 144 {
 145         decrease_visible();
 146
 147         for(Track *current = mwindow->edl->tracks->first;
 148                 current;
 149                 current = NEXT)
 150         {
 151                 for(Edit *edit = current->edits->first; edit; edit = edit->next)
 152                 {
 153 // Test in point
 154                         int64_t handle_x, handle_y, handle_w, handle_h;
 155                         trackcanvas->get_handle_coords(edit, handle_x, handle_y, handle_w, handle_h, EDIT_IN);
 156
 157                         if(visible(handle_x, handle_y, handle_w, handle_h))
 158                         {
 159                                 int exists = 0;
 160
 161                                 for(int i = 0; i < total; i++)
 162                                 {
 163                                         EditHandle *handle = (EditHandle*)values[i];
 164                                         if(handle->edit->id == edit->id && handle->side == EDIT_IN)
 165                                         {
 166                                                 handle->reposition_window(handle_x, handle_y);
 167                                                 handle->raise_window();
 168                                                 handle->draw_face();
 169                                                 handle->visible = 1;
 170                                                 exists = 1;
 171                                                 break;
 172                                         }
 173                                 }
 174
 175                                 if(!exists)
 176                                 {
 177                                         EditHandle *handle = new EditHandle(mwindow,
 178                                                 trackcanvas,
 179                                                 edit,
 180                                                 EDIT_IN,
 181                                                 handle_x,
 182                                                 handle_y);
 183                                         trackcanvas->add_subwindow(handle);
 184                                         handle->set_cursor(ARROW_CURSOR, 0, 0);
 185                                         append(handle);
 186                                 }
 187                         }
 188
 189
 190 // Test out point
 191                         trackcanvas->get_handle_coords(edit, handle_x, handle_y, handle_w, handle_h, EDIT_OUT);
 192
 193                         if(visible(handle_x, handle_y, handle_w, handle_h))
 194                         {
 195                                 int exists = 0;
 196
 197                                 for(int i = 0; i < total; i++)
 198                                 {
 199                                         EditHandle *handle = (EditHandle*)values[i];
 200                                         if(handle->edit->id == edit->id && handle->side == EDIT_OUT)
 201                                         {
 202                                                 handle->reposition_window(handle_x, handle_y);
 203                                                 handle->raise_window();
 204                                                 handle->draw_face();
 205                                                 handle->visible = 1;
 206                                                 exists = 1;
 207                                                 break;
 208                                         }
 209                                 }
 210
 211                                 if(!exists)
 212                                 {
 213                                         EditHandle *handle = new EditHandle(mwindow,
 214                                                 trackcanvas,
 215                                                 edit,
 216                                                 EDIT_OUT,
 217                                                 handle_x,
 218                                                 handle_y);
 219                                         trackcanvas->add_subwindow(handle);
 220                                         handle->set_cursor(ARROW_CURSOR, 0, 0);
 221                                         append(handle);
 222                                 }
 223                         }
 224                 }
 225         }
 226
 227         delete_invisible();
 228 }