cinelerra-5.1/cinelerra/ctimebar.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 "bcsignals.h"
  23 #include "ctimebar.h"
  24 #include "cwindow.h"
  25 #include "cwindowgui.h"
  26 #include "edl.h"
  27 #include "localsession.h"
  28 #include "maincursor.h"
  29 #include "mbuttons.h"
  30 #include "mwindow.h"
  31 #include "mwindowgui.h"
  32 #include "theme.h"
  33
  34
  35 CTimeBar::CTimeBar(MWindow *mwindow,
  36                 CWindowGUI *gui,
  37                 int x,
  38                 int y,
  39                 int w,
  40                 int h)
  41  : TimeBar(mwindow,
  42                 gui,
  43                 x,
  44                 y,
  45                 w,
  46                 h)
  47 {
  48         this->mwindow = mwindow;
  49         this->gui = gui;
  50 }
  51
  52 int CTimeBar::resize_event()
  53 {
  54         reposition_window(mwindow->theme->ctimebar_x,
  55                 mwindow->theme->ctimebar_y,
  56                 mwindow->theme->ctimebar_w,
  57                 mwindow->theme->ctimebar_h);
  58         update(0);
  59         return 1;
  60 }
  61
  62
  63 EDL* CTimeBar::get_edl()
  64 {
  65         return mwindow->edl;
  66 }
  67
  68 void CTimeBar::draw_time()
  69 {
  70         draw_range();
  71 }
  72
  73
  74 double CTimeBar::pixel_to_position(int pixel)
  75 {
  76         double start = 0, length = 0;
  77         EDL *edl = get_edl();
  78         if(edl)
  79         {
  80                 start = edl->local_session->preview_start;
  81                 if(start >= 0)
  82                         length = edl->local_session->preview_end - start;
  83         }
  84         if(length <= 0)
  85                 length = get_edl_length();
  86         return start + (double)pixel * length / get_w();
  87 }
  88
  89
  90 void CTimeBar::update_cursor()
  91 {
  92         int rx = get_relative_cursor_x();
  93         double position = pixel_to_position(rx);
  94         mwindow->cwindow->update_position(position);
  95 }
  96
  97
  98
  99 void CTimeBar::select_label(double position)
 100 {
 101         EDL *edl = mwindow->edl;
 102
 103         gui->unlock_window();
 104         mwindow->gui->mbuttons->transport->handle_transport(STOP, 1, 0, 0);
 105         gui->lock_window();
 106
 107         position = mwindow->edl->align_to_frame(position, 1);
 108
 109         if(shift_down())
 110         {
 111                 if(position > edl->local_session->get_selectionend(1) / 2 +
 112                         edl->local_session->get_selectionstart(1) / 2)
 113                 {
 114
 115                         edl->local_session->set_selectionend(position);
 116                 }
 117                 else
 118                 {
 119                         edl->local_session->set_selectionstart(position);
 120                 }
 121         }
 122         else
 123         {
 124                 edl->local_session->set_selectionstart(position);
 125                 edl->local_session->set_selectionend(position);
 126         }
 127
 128 // Que the CWindow
 129         mwindow->cwindow->update(1, 0, 0, 0, 1);
 130
 131 //printf("CTimeBar::select_label 1\n");
 132
 133         mwindow->gui->lock_window();
 134         mwindow->gui->hide_cursor(0);
 135         mwindow->gui->draw_cursor(1);
 136         mwindow->gui->update(0,
 137                 1,      // 1 for incremental drawing.  2 for full refresh
 138                 1,
 139                 0,
 140                 1,
 141                 1,
 142                 0);
 143         mwindow->gui->unlock_window();
 144         mwindow->update_plugin_guis();
 145 //printf("CTimeBar::select_label 2\n");
 146 }
 147
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