Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible

[goodguy/history.git] / cinelerra-5.1 / cinelerra / samplescroll.C

diff --git a/cinelerra-5.1/cinelerra/samplescroll.C b/cinelerra-5.1/cinelerra/samplescroll.C
new file mode 100644 (file)
index 0000000..6d3e150
--- /dev/null
+++ b/cinelerra-5.1/cinelerra/samplescroll.C
@@ -0,0 +1,153 @@
+
+/*
+ * CINELERRA
+ * Copyright (C) 1997-2014 Adam Williams <broadcast at earthling dot net>
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * 
+ */
+
+#include "bcsignals.h"
+#include "edl.h"
+#include "edlsession.h"
+#include "samplescroll.h"
+#include "localsession.h"
+#include "maincursor.h"
+#include "mwindow.h"
+#include "mwindowgui.h"
+#include "patchbay.h"
+#include "mainsession.h"
+#include "mtimebar.h"
+#include "theme.h"
+#include "trackcanvas.h"
+#include "tracks.h"
+
+SampleScroll::SampleScroll(MWindow *mwindow, 
+       MWindowGUI *gui, 
+       int x,
+       int y,
+       int w)
+ : BC_ScrollBar(x, 
+       y,
+       SCROLL_HORIZ, 
+       w, 
+       0, 
+       0, 
+       0)
+{
+       this->gui = gui;
+       this->pane = 0;
+       this->mwindow = mwindow;
+       oldposition = 0;
+}
+
+SampleScroll::SampleScroll(MWindow *mwindow, 
+       TimelinePane *pane, 
+       int x,
+       int y,
+       int w)
+ : BC_ScrollBar(x, 
+       y,
+       SCROLL_HORIZ, 
+       w, 
+       0, 
+       0, 
+       0)
+{
+       this->gui = mwindow->gui;
+       this->pane = pane;
+       this->mwindow = mwindow;
+       oldposition = 0;
+}
+
+SampleScroll::~SampleScroll()
+{
+}
+
+int SampleScroll::flip_vertical()
+{
+       return 0;
+}
+
+int SampleScroll::in_use()
+{
+       return in_use();
+}
+
+
+int SampleScroll::resize_event()
+{
+       reposition_window(mwindow->theme->mhscroll_x,
+               mwindow->theme->mhscroll_y, 
+               mwindow->theme->mhscroll_w);
+       return 0;
+}
+
+int SampleScroll::resize_event(int x, int y, int w)
+{
+       reposition_window(x,
+               y, 
+               w);
+       return 0;
+}
+
+int SampleScroll::set_position()
+{
+       if(!pane->canvas) return 0;
+       long length = Units::round(mwindow->edl->tracks->total_length() * 
+               mwindow->edl->session->sample_rate / 
+               mwindow->edl->local_session->zoom_sample);
+       long position = mwindow->edl->local_session->view_start[pane->number];
+       long handle_size = pane->view_w;
+
+       update_length(length, 
+                       position, 
+                       handle_size,
+                       0);
+
+       oldposition = position;
+       return 0;
+}
+
+int SampleScroll::handle_event()
+{
+//printf("SampleScroll::handle_event %d %d\n", __LINE__, get_window_lock());
+       mwindow->edl->local_session->view_start[pane->number] = get_value();
+       if(pane->number == TOP_LEFT_PANE ||
+               pane->number == BOTTOM_LEFT_PANE)
+       {
+               mwindow->edl->local_session->view_start[TOP_LEFT_PANE] =
+                       mwindow->edl->local_session->view_start[BOTTOM_LEFT_PANE] =
+                       mwindow->edl->local_session->view_start[pane->number];
+       }
+       else
+       {
+               mwindow->edl->local_session->view_start[TOP_RIGHT_PANE] =
+                       mwindow->edl->local_session->view_start[BOTTOM_RIGHT_PANE] =
+                       mwindow->edl->local_session->view_start[pane->number];
+       }
+
+       mwindow->gui->draw_canvas(0, 1);
+       mwindow->gui->draw_cursor(1);
+       mwindow->gui->update_timebar(0);
+       mwindow->gui->flash_canvas(0);
+
+//     if(pane->patchbay) pane->patchbay->update();
+
+
+//printf("SampleScroll::handle_event %d %d\n", __LINE__, get_window_lock());
+
+       return 1;
+}