rtorrent: Working on display.

git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@237 e378c898-3ddf-0310-93e7-cc216c733640

src/display/manager.cc

@@ -0,0 +1,51 @@
+#include "config.h"
+
+#include <stdexcept>
+#include <algo/call.h>
+#include <algo/entry.h>
+#include <algo/lambda.h>
+
+#include "canvas.h"
+#include "manager.h"
+#include "window_base.h"
+
+namespace display {
+
+using namespace algo;
+
+void
+Manager::adjust_layout() {
+  adjust_row(begin(), end(), 0, 0, display::Canvas::get_screen_width(), display::Canvas::get_screen_height());
+}
+
+void
+Manager::adjust_row(iterator bItr, iterator eItr, int x, int y, int w, int h) {
+  int t;
+  int dist = std::distance(bItr, eItr);
+
+  switch (dist) {
+  case 1:
+    bItr->get_window()->resize(x, y, w, h);
+    break;
+
+  case 2:
+    t = w / 2 + w % 2;
+
+    bItr->get_window()->resize(x, y, t, h);
+    ++bItr;
+    bItr->get_window()->resize(x + t, y, w - t, h);
+    break;
+
+  default:
+    throw std::logic_error("Manager::adjust_row(...) got a range with invalid number of elements");
+  }
+}    
+
+void
+Manager::do_update() {
+  std::for_each(begin(), end(), mem_fun(*mem_fun(_0(), &WindowBase::get_canvas), &Canvas::refresh));
+
+  Canvas::do_update();
+}
+
+}