cinelerra/trackscroll.C

   1 #include "edl.h"
   2 #include "edlsession.h"
   3 #include "localsession.h"
   4 #include "maincursor.h"
   5 #include "mwindow.h"
   6 #include "mwindowgui.h"
   7 #include "patchbay.h"
   8 #include "mainsession.h"
   9 #include "theme.h"
  10 #include "trackcanvas.h"
  11 #include "tracks.h"
  12 #include "trackscroll.h"
  13
  14 TrackScroll::TrackScroll(MWindow *mwindow, MWindowGUI *gui, int pixels)
  15  : BC_ScrollBar(mwindow->theme->mcanvas_x +
  16                 mwindow->theme->mcanvas_w -
  17                 BC_ScrollBar::get_span(SCROLL_VERT),
  18         mwindow->theme->mcanvas_y,
  19         SCROLL_VERT,
  20         pixels,
  21         0,
  22         0,
  23         0)
  24 {
  25         this->mwindow = mwindow;
  26         this->gui = gui;
  27         old_position = 0;
  28 }
  29
  30 TrackScroll::~TrackScroll()
  31 {
  32 }
  33
  34 long TrackScroll::get_distance()
  35 {
  36         return get_value() - old_position;
  37 }
  38
  39 int TrackScroll::update()
  40 {
  41         return 0;
  42 }
  43
  44 int TrackScroll::resize_event()
  45 {
  46         reposition_window(mwindow->theme->mcanvas_x +
  47                         mwindow->theme->mcanvas_w -
  48                         BC_ScrollBar::get_span(SCROLL_VERT),
  49                 mwindow->theme->mcanvas_y,
  50                 mwindow->theme->mcanvas_h -
  51                         BC_ScrollBar::get_span(SCROLL_HORIZ)); // fix scrollbar
  52         update();
  53         return 0;
  54 }
  55
  56 int TrackScroll::flip_vertical(int top, int bottom)
  57 {
  58         return 0;
  59 }
  60
  61 int TrackScroll::handle_event()
  62 {
  63         mwindow->edl->local_session->track_start = get_value();
  64         mwindow->edl->tracks->update_y_pixels(mwindow->theme);
  65         mwindow->gui->canvas->draw();
  66         mwindow->gui->cursor->draw();
  67         mwindow->gui->patchbay->update();
  68         mwindow->gui->canvas->flash();
  69 // Scrollbar must be active to trap button release events
  70 //      mwindow->gui->canvas->activate();
  71         old_position = get_value();
  72         flush();
  73         return 1;
  74 }