* Added pageup/down to chunks seen and file list. Patch by Josef

Drexler, all future patches to lib/rtorrent will be under public
domain.


git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@712 e378c898-3ddf-0310-93e7-cc216c733640

src/display/window.h

@@ -62,7 +62,7 @@ public:
   bool                is_dynamic()                         { return m_dynamic; }
   bool                is_dirty()                           { return m_taskUpdate.is_queued(); }
 
-  int                 get_min_height()                     { return m_minHeight; }
+  int                 get_min_height() const               { return m_minHeight; }
 
   bool                get_active()                         { return m_active; }
   void                set_active(bool a);
@@ -70,6 +70,8 @@ public:
   void                refresh()                            { m_canvas->refresh(); }
   void                resize(int x, int y, int w, int h);
 
+  int                 get_height() const                   { return m_canvas->get_height(); }
+
   void                mark_dirty()                         { m_slotSchedule(this, cachedTime + 1); }
 
   virtual void        redraw() = 0;

src/display/window_download_chunks_seen.cc

@@ -47,9 +47,10 @@
 
 namespace display {
 
-WindowDownloadChunksSeen::WindowDownloadChunksSeen(core::Download* d) :
+WindowDownloadChunksSeen::WindowDownloadChunksSeen(core::Download* d, unsigned int *focus) :
   Window(new Canvas, true),
-  m_download(d) {
+  m_download(d),
+  m_focus(focus) {
 }
 
 void
@@ -62,9 +63,9 @@ WindowDownloadChunksSeen::redraw() {
     return;
 
   m_canvas->print(2, 0, "Chunks seen: [C/A/D %i/%i/%.2f]",
-		  (int)m_download->download()->peers_complete(),
-		  (int)m_download->download()->peers_accounted(),
-		  std::floor(m_download->distributed_copies() * 100.0f) / 100.0f);
+                  (int)m_download->download()->peers_complete(),
+                  (int)m_download->download()->peers_accounted(),
+                  std::floor(m_download->distributed_copies() * 100.0f) / 100.0f);
 
   const uint8_t* seen = m_download->download()->chunks_seen();
 
@@ -73,7 +74,9 @@ WindowDownloadChunksSeen::redraw() {
     return;
   }
 
-  const uint8_t* chunk = seen;
+  *m_focus = std::min(*m_focus, max_focus());
+
+  const uint8_t* chunk = seen + *m_focus * chunks_per_row();
   const uint8_t* last = seen + m_download->download()->chunks_total();
 
   const torrent::Bitfield* bitfield = m_download->download()->bitfield();
@@ -85,23 +88,31 @@ WindowDownloadChunksSeen::redraw() {
       chtype attr;
 
       if (bitfield->get(chunk - seen))
-	attr = A_NORMAL;
+        attr = A_NORMAL;
 //    else if (foo->is_downloading(chunk - seen))
-//	attr = A_UNDERLINE;
+//     attr = A_UNDERLINE;
       else
-	attr = A_BOLD;
+        attr = A_BOLD;
 
       m_canvas->print_char(attr | rak::value_to_hexchar<0>(std::min<uint8_t>(*chunk, 0xF)));
       chunk++;
 
       if ((chunk - seen) % 10 == 0) {
-	if (m_canvas->get_x() + 12 > m_canvas->get_width())
-	  break;
+        if (m_canvas->get_x() + 12 > m_canvas->get_width())
+          break;
 
-	m_canvas->print_char(' ');
+        m_canvas->print_char(' ');
       }
     }
   }
 }
 
+unsigned int
+WindowDownloadChunksSeen::rows() const {
+  if (m_canvas->get_width() < 18)
+    return 0;
+
+  return (m_download->download()->chunks_total() + chunks_per_row() - 1) / chunks_per_row();
+}
+
 }

src/display/window_download_chunks_seen.h

@@ -49,12 +49,19 @@ namespace display {
 
 class WindowDownloadChunksSeen : public Window {
 public:
-  WindowDownloadChunksSeen(core::Download* d);
+  WindowDownloadChunksSeen(core::Download* d, unsigned int* focus);
 
   virtual void     redraw();
 
+  unsigned int     rows() const;
+  unsigned int     chunks_per_row() const   { return (m_canvas->get_width() - 6) / 11 * 10; }
+
+  unsigned int     max_focus() const        { return std::max<int>(rows() - get_height() + 1, 0); }
+
 private:
   core::Download*  m_download;
+
+  unsigned int*    m_focus;
 };
 
 }