cinelerra-5.1/cinelerra/editlength.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2009 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 "bcdisplayinfo.h"
  23 #include "clip.h"
  24 #include "edit.h"
  25 #include "editlength.h"
  26 #include "edits.h"
  27 #include "edl.h"
  28 #include "edlsession.h"
  29 #include "language.h"
  30 #include "localsession.h"
  31 #include "mwindow.h"
  32 #include "mwindowgui.h"
  33 #include "track.h"
  34 #include "tracks.h"
  35
  36
  37 EditLengthThread::EditLengthThread(MWindow *mwindow)
  38  : BC_DialogThread()
  39 {
  40         this->mwindow = mwindow;
  41 }
  42
  43 EditLengthThread::~EditLengthThread()
  44 {
  45         close_window();
  46 }
  47
  48 void EditLengthThread::start(Edit *edit)
  49 {
  50         this->edit = edit;
  51
  52         orig_length = 0;
  53         length = 0;
  54
  55         double start = mwindow->edl->local_session->get_selectionstart();
  56         double end = mwindow->edl->local_session->get_selectionend();
  57
  58 // get the default length from the first edit selected
  59         if(!edit)
  60         {
  61                 Track *track = 0;
  62                 int got_it = 0;
  63                 for(track = mwindow->edl->tracks->first;
  64                         track && !got_it;
  65                         track = track->next)
  66                 {
  67                         if(track->is_armed())
  68                         {
  69                                 int64_t start_units = track->to_units(start, 0);
  70                                 int64_t end_units = track->to_units(end, 0);
  71
  72                                 for(edit = track->edits->first;
  73                                         edit && !got_it;
  74                                         edit = edit->next)
  75                                 {
  76                                         if(edit->startproject >= start_units &&
  77                                                 edit->startproject < end_units)
  78                                         {
  79                                                 this->length =
  80                                                         this->orig_length =
  81                                                         track->from_units(edit->length);
  82                                                 got_it = 1;
  83                                         }
  84                                 }
  85                         }
  86                 }
  87         }
  88
  89         BC_DialogThread::start();
  90 }
  91
  92 #define ELW_W xS(300)
  93 #define ELW_H yS(100)
  94
  95 BC_Window* EditLengthThread::new_gui()
  96 {
  97         BC_DisplayInfo display_info;
  98         int x = display_info.get_abs_cursor_x() - ELW_W/2;
  99         int y = display_info.get_abs_cursor_y() - ELW_H/2;
 100         EditLengthDialog *gui = new EditLengthDialog(mwindow, this, x, y);
 101         gui->create_objects();
 102         return gui;
 103 }
 104
 105 void EditLengthThread::handle_close_event(int result)
 106 {
 107         if(!result) {
 108                 if(edit) {
 109 //                      mwindow->set_edit_length(edit, length);
 110                 }
 111                 else {
 112                         mwindow->set_edit_length(length);
 113                 }
 114         }
 115 }
 116
 117
 118 EditLengthDialog::EditLengthDialog(MWindow *mwindow,
 119         EditLengthThread *thread,
 120         int x,
 121         int y)
 122  : BC_Window(_(PROGRAM_NAME ": Edit length"), x, y,
 123         ELW_W, ELW_H, -1, -1, 0, 0, 1)
 124 {
 125         this->mwindow = mwindow;
 126         this->thread = thread;
 127 }
 128
 129 EditLengthDialog::~EditLengthDialog()
 130 {
 131 }
 132
 133
 134 void EditLengthDialog::create_objects()
 135 {
 136         int xs10 = xS(10), xs100 = xS(100);
 137         int ys10 = yS(10);
 138         lock_window("EditLengthDialog::create_objects");
 139         add_subwindow(new BC_Title(xs10, ys10, _("Seconds:")));
 140         text = new EditLengthText(mwindow, this, xs100, ys10);
 141         text->create_objects();
 142         add_subwindow(new BC_OKButton(this));
 143         add_subwindow(new BC_CancelButton(this));
 144         show_window();
 145         unlock_window();
 146 }
 147
 148 int EditLengthDialog::close_event()
 149 {
 150         set_done(0);
 151         return 1;
 152 }
 153
 154
 155 EditLengthText::EditLengthText(MWindow *mwindow,
 156         EditLengthDialog *gui, int x, int y)
 157  : BC_TumbleTextBox(gui, (float)gui->thread->length,
 158         0.f, 100.f, x, y, xS(100))
 159 {
 160         this->mwindow = mwindow;
 161         this->gui = gui;
 162 }
 163
 164 int EditLengthText::handle_event()
 165 {
 166         double result = atof(get_text());
 167         if(fabs(result - gui->thread->length) > 0.000001)
 168         {
 169                 gui->thread->length = result;
 170         }
 171
 172         return 1;
 173 }
 174