Added logging of some ui events.

src/input/path_input.cc

@@ -42,6 +42,7 @@
 #include <rak/path.h>
 
 #include <sys/types.h>
+#include <torrent/utils/log.h>
 
 #ifdef __sun__
   #include <dirent.h>
@@ -90,6 +91,8 @@ struct _transform_filename {
 
 void
 PathInput::receive_do_complete() {
+  lt_log_print(torrent::LOG_UI_EVENTS, "path_input: received completion");
+
   size_type dirEnd = find_last_delim();
 
   utils::Directory dir(dirEnd != 0 ? str().substr(0, dirEnd) : "./");
@@ -123,6 +126,8 @@ PathInput::receive_do_complete() {
   m_showNext = ++utils::Directory::iterator(r.first) != r.second;
 
   if (m_showNext) {
+    lt_log_print(torrent::LOG_UI_EVENTS, "path_input: show next page");
+
     for (signal_itr_itr::iterator itr = m_signal_show_range.begin(), last = m_signal_show_range.end(); itr != last; itr++)
       (*itr)(r.first, r.second);
   }

src/ui/element_string_list.cc

@@ -55,6 +55,8 @@ ElementStringList::activate(display::Frame* frame, bool focus) {
   if (is_active())
     throw torrent::internal_error("ui::ElementStringList::activate(...) is_active().");
 
+  lt_log_print(torrent::LOG_UI_EVENTS, "element_string_list: activate");
+
   control->input()->push_back(&m_bindings);
 
   m_window = new WStringList();
@@ -69,6 +71,8 @@ ElementStringList::disable() {
   if (!is_active())
     throw torrent::internal_error("ui::ElementStringList::disable(...) !is_active().");
 
+  lt_log_print(torrent::LOG_UI_EVENTS, "element_string_list: deactivate");
+
   control->input()->erase(&m_bindings);
 
   m_frame->clear();
@@ -80,6 +84,9 @@ ElementStringList::disable() {
 
 void
 ElementStringList::next_screen() {
+  if (m_window == NULL)
+    return;
+
   if (m_window->get_draw_end() != m_list.end())
     m_window->set_range(m_window->get_draw_end(), m_list.end());
   else

src/ui/element_string_list.h

@@ -41,6 +41,7 @@
 #include <string>
 #include <algorithm>
 #include <functional>
+#include <torrent/utils/log.h>
 
 #include "element_base.h"
 
@@ -69,8 +70,14 @@ public:
     while (first != last)
       m_list.push_back(*(first++));
 
-    m_window->set_range(m_list.begin(), m_list.end());
-    m_window->mark_dirty();
+    if (m_window != NULL) {
+      lt_log_print(torrent::LOG_UI_EVENTS, "element_string_list: set range (visible)");
+
+      m_window->set_range(m_list.begin(), m_list.end());
+      m_window->mark_dirty();
+    } else {
+      lt_log_print(torrent::LOG_UI_EVENTS, "element_string_list: set range (hidden)");
+    }
   }
 
   // A hack, clean this up.
@@ -81,8 +88,14 @@ public:
     while (first != last)
       m_list.push_back((first++)->d_name);
 
-    m_window->set_range(m_list.begin(), m_list.end());
-    m_window->mark_dirty();
+    if (m_window != NULL) {
+      lt_log_print(torrent::LOG_UI_EVENTS, "element_string_list: set dirent range (visible)");
+
+      m_window->set_range(m_list.begin(), m_list.end());
+      m_window->mark_dirty();
+    } else {
+      lt_log_print(torrent::LOG_UI_EVENTS, "element_string_list: set dirent range (hidden)");
+    }
   }
 
   void                next_screen();