From 0c4d6493ce9d1215c10d5f2942d373c4f37204b5 Mon Sep 17 00:00:00 2001
From: manuel <manuel@mausz.at>
Date: Mon, 2 May 2011 20:42:37 +0200
Subject: add eating overlay

---
 pacman-c++/sceneholder.cpp | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

(limited to 'pacman-c++/sceneholder.cpp')

diff --git a/pacman-c++/sceneholder.cpp b/pacman-c++/sceneholder.cpp
index f6b8145..51496ca 100644
--- a/pacman-c++/sceneholder.cpp
+++ b/pacman-c++/sceneholder.cpp
@@ -13,6 +13,8 @@ SceneHolder::SceneHolder(QObject *parent)
   setSceneRect(0, 0, Constants::map_size_pixel.width, Constants::map_size_pixel.height);
   setBackgroundBrush(Qt::black);
 
+  m_overlayText = new QGraphicsTextItem();
+
   visualMap.resize(Constants::map_size.width);
   for (int i = 0; i < visualMap.size(); ++i)
     visualMap[i].resize(Constants::map_size.height);
@@ -21,6 +23,7 @@ SceneHolder::SceneHolder(QObject *parent)
 void SceneHolder::reset()
 {
   processDelayedItems();
+  showEatingText(false);
 
   /* remove actors from scene so they don't get deleted during clear */
   foreach(Actor *actor, m_actors)
@@ -269,6 +272,49 @@ QList<Color::Color> &SceneHolder::eatingOrder()
   return m_eatingorder;
 }
 
+void SceneHolder::showEatingText(bool show)
+{
+  if (!show)
+  {
+    if (m_overlayText->scene() == this)
+      removeItem(m_overlayText);
+    return;
+  }
+
+  m_overlayText->setDefaultTextColor(Qt::black);
+  QString text = QString(
+      "<div style=\"background-color: gray;\" align=\"center\">"
+      "<br />"
+  );
+  unsigned int lines = 1;
+
+  text = text % QString("<b>Your Pacman: <img src=\"%1\"/></b><br /><br />")
+    .arg(m_actors[m_color]->iconStr());
+  lines += 2;
+
+  foreach(Actor *actor, m_actors)
+  {
+    foreach(Actor *other, m_actors)
+    {
+      if (!actor->canEat(other, m_eatingorder))
+        continue;
+      text = text % QString("<img src=\"%1\"/> &nbsp;can eat <img src=\"%2\"/><br />")
+        .arg(actor->iconStr(), other->iconStr());
+      ++lines;
+    }
+  }
+  text = text % "</div>";
+  m_overlayText->setHtml(text);
+  m_overlayText->setTextWidth(150);
+  m_overlayText->setOpacity(0.9);
+
+  QFontMetrics metrics(m_overlayText->font());
+  m_overlayText->setPos((width() - m_overlayText->textWidth()) / 2, (height() - metrics.height() * lines) / 2);
+  m_overlayText->setZValue(100);
+
+  addItem(m_overlayText);
+}
+
 QPoint SceneHolder::mapPositionToCoord(unsigned int x, unsigned int y)
 {
   return QPoint(x * Constants::field_size.width, y * Constants::field_size.height);
-- 
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