cinelerra/samplescroll.C

   1 #include "edl.h"
   2 #include "edlsession.h"
   3 #include "samplescroll.h"
   4 #include "localsession.h"
   5 #include "maincursor.h"
   6 #include "mwindow.h"
   7 #include "mwindowgui.h"
   8 #include "patchbay.h"
   9 #include "mainsession.h"
  10 #include "mtimebar.h"
  11 #include "theme.h"
  12 #include "trackcanvas.h"
  13 #include "tracks.h"
  14
  15 SampleScroll::SampleScroll(MWindow *mwindow,
  16         MWindowGUI *gui,
  17         int x,
  18         int y,
  19         int w)
  20  : BC_ScrollBar(x,
  21         y,
  22         SCROLL_HORIZ,
  23         w,
  24         0,
  25         0,
  26         0)
  27 {
  28         this->gui = gui;
  29         this->mwindow = mwindow;
  30         oldposition = 0;
  31 }
  32
  33 SampleScroll::~SampleScroll()
  34 {
  35 }
  36
  37 int SampleScroll::flip_vertical()
  38 {
  39         return 0;
  40 }
  41
  42 int SampleScroll::in_use()
  43 {
  44         return in_use();
  45 }
  46
  47
  48 int SampleScroll::resize_event()
  49 {
  50         reposition_window(mwindow->theme->mhscroll_x,
  51                 mwindow->theme->mhscroll_y,
  52                 mwindow->theme->mhscroll_w);
  53         return 0;
  54 }
  55
  56 int SampleScroll::set_position()
  57 {
  58         if(!gui->canvas) return 0;
  59         long length = Units::round(mwindow->edl->tracks->total_length() *
  60                 mwindow->edl->session->sample_rate /
  61                 mwindow->edl->local_session->zoom_sample);
  62         long position = mwindow->edl->local_session->view_start;
  63         long handle_size = mwindow->theme->mcanvas_w -
  64                 BC_ScrollBar::get_span(SCROLL_VERT);
  65
  66         update_length(length,
  67                         position,
  68                         handle_size);
  69
  70         oldposition = position;
  71         return 0;
  72 }
  73
  74 int SampleScroll::handle_event()
  75 {
  76 //printf("SampleScroll::handle_event 1 %d %d\n", mwindow->edl->session->sample_rate, get_value());
  77         mwindow->edl->local_session->view_start = get_value();
  78
  79
  80 //printf("SampleScroll::handle_event 1 %ld\n", mwindow->edl->local_session->view_start);
  81         mwindow->gui->canvas->draw();
  82         mwindow->gui->cursor->draw(1);
  83
  84 //printf("SampleScroll::handle_event 1\n");
  85         mwindow->gui->canvas->flash();
  86
  87 //printf("SampleScroll::handle_event 1\n");
  88         mwindow->gui->patchbay->update();
  89
  90 //printf("SampleScroll::handle_event 1\n");
  91         mwindow->gui->timebar->update();
  92
  93
  94 //printf("SampleScroll::handle_event 2\n");
  95         return 1;
  96 }