Added a "top 5 chosen songs this tournament" screen.

[ccbs] / bigscreen / top5chosenscreen.cpp

diff --git a/bigscreen/top5chosenscreen.cpp b/bigscreen/top5chosenscreen.cpp
new file mode 100644 (file)
index 0000000..3110684
--- /dev/null
+++ b/bigscreen/top5chosenscreen.cpp
@@ -0,0 +1,76 @@
+#include <cstdio>
+#include <algorithm>
+
+#include "top5chosenscreen.h"
+#include "fonts.h"
+
+Top5ChosenScreen::Top5ChosenScreen(pqxx::connection &conn, unsigned tournament)
+       : conn(conn), tournament(tournament), scores_changed(conn, "scores"), valid(false)
+{
+}
+
+Top5ChosenScreen::~Top5ChosenScreen()
+{
+}
+
+bool Top5ChosenScreen::check_invalidated()
+{
+       if (!valid)
+               return true;
+       if (!scores_changed.get_flag())
+               return false;
+
+       return true;
+}
+
+void Top5ChosenScreen::draw(unsigned char *buf)
+{
+       scores_changed.reset_flag();
+       memset(buf, 0, 800 * 600 * 4);
+
+       // fetch the top 5 chosen songs
+       std::vector<TopChosen> scores;
+       conn.perform(FetchTopChosenSongsForTournament(tournament, 5, &scores));
+
+       {
+               unsigned width = my_draw_text("Today's top 5 chosen songs", NULL, 40.0);
+               my_draw_text("Today's top 5 chosen songs", buf, 40.0, 800/2 - width/2, 60);
+       }
+
+       // simple headings
+       my_draw_text("Song", buf, 12.0, 70, 100);
+       my_draw_text("Frequency", buf, 12.0, 710, 100);
+       
+       unsigned row = 1, y = 140;
+       for (std::vector<TopChosen>::const_iterator i = scores.begin(); i != scores.end(); ++i) {
+               char str[16];
+               unsigned r = 255, g = 255, b = 255;
+
+               // print new entries in red
+               if (seen_topchosen.count(*i) == 0 && seen_topchosen.size() > 0) {
+                       g = b = 0;
+               }
+
+               std::sprintf(str, "%u", row++);
+               unsigned width = my_draw_text(str, NULL, 24.0);
+               my_draw_text(str, buf, 24.0, 30 - width/2, y);
+
+               if (my_draw_text(i->title, NULL, 24.0) > 610) {
+                       my_draw_text(i->shorttitle, buf, 24.0, 70, y, r, g, b);
+               } else {
+                       my_draw_text(i->title, buf, 24.0, 70, y, r, g, b);
+               }
+               
+               std::sprintf(str, "%u", i->frequency);
+               width = my_draw_text(str, NULL, 24.0);
+               my_draw_text(str, buf, 24.0, 728 - width/2, y, r, g, b);
+
+               y += 40;
+       }
+       
+       valid = true;
+       
+       seen_topchosen.erase(seen_topchosen.begin(), seen_topchosen.end());
+       std::copy(scores.begin(), scores.end(), std::inserter(seen_topchosen, seen_topchosen.end()));
+}
+