Added code to dynamically adjust the itemcontainer size.

5 files changed, 47 insertions, 3 deletions

diff --git a/ChangeLog b/ChangeLog
index fcd4c325..55570ba1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2005-08-01  Björn Steinbrink  <B.Steinbrink@gmx.de>
+
+	* src/inventory.cpp, src/inventory.h,
+	src/gui/itemcontainer.cpp, src/gui/itemcontainer.h: Added a logic function
+	to dynamically adjust the size of the itemcontainer.
+
 2005-07-31  Andrej Sinicyn  <andrej4000@gmail.com>
 
 	* src/game.cpp, src/game.h, src/gui/popupmenu.cpp: Show the name of the
diff --git a/src/gui/itemcontainer.cpp b/src/gui/itemcontainer.cpp
index 8fd3a23e..a4e7a7d0 100644
--- a/src/gui/itemcontainer.cpp
+++ b/src/gui/itemcontainer.cpp
@@ -41,6 +41,7 @@ ItemContainer::ItemContainer(Inventory *inventory):
     if (!selImg) logger->error("Unable to load selection.png");
 
     selectedItem = 0; // No item selected
+    maxItems = inventory->getLastUsedSlot();
 
     addMouseListener(this);
 }
@@ -51,6 +52,18 @@ ItemContainer::~ItemContainer()
     selImg->decRef();
 }
 
+void ItemContainer::logic()
+{
+    gcn::Widget::logic();
+
+    int i = inventory->getLastUsedSlot();
+
+    if (i != maxItems) {
+        maxItems = i;
+        setWidth(getWidth());
+    }
+}
+
 void ItemContainer::draw(gcn::Graphics* graphics)
 {
     int gridWidth = itemset->spriteset[0]->getWidth() + 4;
@@ -125,7 +138,7 @@ void ItemContainer::setWidth(int width)
     gcn::Widget::setWidth(width);
 
     int gridWidth = itemset->spriteset[0]->getWidth() + 4;
-    int gridHeight = itemset->spriteset[0]->getHeight() + 10;
+    int gridHeight = itemset->spriteset[0]->getHeight() + 14;
     int columns = getWidth() / gridWidth;
 
     if (columns < 1)
@@ -133,8 +146,8 @@ void ItemContainer::setWidth(int width)
         columns = 1;
     }
 
-    setHeight(((INVENTORY_SIZE / columns) +
-            (INVENTORY_SIZE % columns > 0 ? 1 : 0)) * gridHeight);
+    setHeight(((maxItems / columns) +
+            (maxItems % columns > 0 ? 1 : 0)) * gridHeight);
 }
 
 Item* ItemContainer::getItem()
diff --git a/src/gui/itemcontainer.h b/src/gui/itemcontainer.h
index 6def991a..6c1834ef 100644
--- a/src/gui/itemcontainer.h
+++ b/src/gui/itemcontainer.h
@@ -51,6 +51,11 @@ class ItemContainer : public gcn::Widget, public gcn::MouseListener
         virtual ~ItemContainer();
 
         /**
+         * Handles the logic of the ItemContainer
+         */
+        void logic();
+
+        /**
          * Draws the items.
          */
         void draw(gcn::Graphics *graphics);
@@ -81,6 +86,8 @@ class ItemContainer : public gcn::Widget, public gcn::MouseListener
         Spriteset *itemset;
         Image *selImg;
         Item *selectedItem;
+
+        int maxItems;
 };
 
 #endif
diff --git a/src/inventory.cpp b/src/inventory.cpp
index c0ddd888..30763622 100644
--- a/src/inventory.cpp
+++ b/src/inventory.cpp
@@ -132,3 +132,16 @@ int Inventory::getNumberOfSlotsUsed()
 
     return NumberOfFilledSlot;
 }
+
+int Inventory::getLastUsedSlot()
+{
+    int i;
+
+    for (i = INVENTORY_SIZE - 1; i >= 0; i--) {
+        if ((items[i].getId() != -1) && (items[i].getQuantity() > 0)) {
+            break;
+        }
+    }
+
+    return --i;
+}
diff --git a/src/inventory.h b/src/inventory.h
index f5c47c4f..c31f4fd4 100644
--- a/src/inventory.h
+++ b/src/inventory.h
@@ -88,6 +88,11 @@ class Inventory
          */
         int getNumberOfSlotsUsed();
 
+        /**
+         * Returns the index of the last occupied slot or 0 if none occupied.
+         */
+        int getLastUsedSlot();
+
     protected:
         Item items[INVENTORY_SIZE];  /**< The holder of items */
 };