cinelerra-5.0/cinelerra/vtimebar.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 "edl.h"
  23 #include "localsession.h"
  24 #include "mwindow.h"
  25 #include "theme.h"
  26 #include "vtimebar.h"
  27 #include "vwindow.h"
  28 #include "vwindowgui.h"
  29
  30
  31 VTimeBar::VTimeBar(MWindow *mwindow,
  32                 VWindowGUI *gui,
  33                 int x,
  34                 int y,
  35                 int w,
  36                 int h)
  37  : TimeBar(mwindow,
  38                 gui,
  39                 x,
  40                 y,
  41                 w,
  42                 h)
  43 {
  44         this->mwindow = mwindow;
  45         this->gui = gui;
  46 }
  47
  48 int VTimeBar::resize_event()
  49 {
  50         reposition_window(mwindow->theme->vtimebar_x,
  51                 mwindow->theme->vtimebar_y,
  52                 mwindow->theme->vtimebar_w,
  53                 mwindow->theme->vtimebar_h);
  54         update(0);
  55         return 1;
  56 }
  57
  58 EDL* VTimeBar::get_edl()
  59 {
  60         return gui->vwindow->get_edl();
  61 }
  62
  63 void VTimeBar::draw_time()
  64 {
  65         draw_range();
  66 }
  67
  68 void VTimeBar::select_label(double position)
  69 {
  70         EDL *edl = get_edl();
  71
  72         if(edl)
  73         {
  74                 unlock_window();
  75                 gui->transport->handle_transport(STOP, 1, 0, 0);
  76                 lock_window();
  77
  78                 position = mwindow->edl->align_to_frame(position, 1);
  79
  80                 if(shift_down())
  81                 {
  82                         if(position > edl->local_session->get_selectionend(1) / 2 +
  83                                 edl->local_session->get_selectionstart(1) / 2)
  84                         {
  85
  86                                 edl->local_session->set_selectionend(position);
  87                         }
  88                         else
  89                         {
  90                                 edl->local_session->set_selectionstart(position);
  91                         }
  92                 }
  93                 else
  94                 {
  95                         edl->local_session->set_selectionstart(position);
  96                         edl->local_session->set_selectionend(position);
  97                 }
  98
  99 // Que the CWindow
 100                 gui->vwindow->update_position(CHANGE_NONE,
 101                         0,
 102                         1,
 103                         0);
 104                 update(1);
 105         }
 106 }
 107
 108 double VTimeBar::pixel_to_position(int pixel)
 109 {
 110         double start = 0, length = 0;
 111         EDL *edl = get_edl();
 112         if(edl)
 113         {
 114                 start = edl->local_session->preview_start;
 115                 if(start >= 0)
 116                         length = edl->local_session->preview_end - start;
 117         }
 118         if(length <= 0)
 119                 length = get_edl_length();
 120         return start + (double)pixel * length / get_w();
 121 }
 122
 123 void VTimeBar::update_cursor()
 124 {
 125         int rx = get_relative_cursor_x();
 126         double position = pixel_to_position(rx);
 127         gui->vwindow->update_position(position);
 128         update(1);
 129 }
 130
 131