Properly fix problems with ItemContainer in InventoryWindow not resizing

properly since upgrade to Guichan 0.8.0.

7 files changed, 41 insertions, 53 deletions

diff --git a/ChangeLog b/ChangeLog
index 39b3e092..6d9a8bb5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2008-04-28  Bjørn Lindeijer  <bjorn@lindeijer.nl>
+
+	* src/gui/inventorywindow.h, src/gui/itemcontainer.h,
+	src/gui/inventorywindow.cpp, src/gui/scrollarea.h,
+	src/gui/itemcontainer.cpp, src/gui/scrollarea.cpp: Properly fix
+	problems with ItemContainer in InventoryWindow not resizing properly
+	since upgrade to Guichan 0.8.0.
+
 2008-04-28  Dennis Friis  <peavey@placid.dk>
 
 	* src/gui/scrollarea.h, src/gui/scrollarea.cpp: Add methods to get
diff --git a/src/gui/inventorywindow.cpp b/src/gui/inventorywindow.cpp
index a5460f1d..4172a532 100644
--- a/src/gui/inventorywindow.cpp
+++ b/src/gui/inventorywindow.cpp
@@ -96,8 +96,6 @@ void InventoryWindow::logic()
     mWeightLabel->setCaption(
             "Total Weight: " + toString(player_node->mTotalWeight) + " - "
             "Maximum Weight: " + toString(player_node->mMaxWeight));
-
-    mItems->setWidth(mInvenScroll->getAdjustedWidth());
 }
 
 void InventoryWindow::action(const gcn::ActionEvent &event)
@@ -205,8 +203,6 @@ void InventoryWindow::widgetResized(const gcn::Event &event)
     mInvenScroll->setSize(width - 16,
             mItemDescriptionLabel->getY() - mWeightLabel->getHeight() - 18);
 
-    mItems->setWidth(mInvenScroll->getAdjustedWidth());
-
     mWeightLabel->setWidth(width - 16);
 }
 
diff --git a/src/gui/inventorywindow.h b/src/gui/inventorywindow.h
index c016f707..3222009f 100644
--- a/src/gui/inventorywindow.h
+++ b/src/gui/inventorywindow.h
@@ -33,7 +33,6 @@
 
 class Item;
 class ItemContainer;
-class ScrollArea;
 
 /**
  * Inventory dialog.
@@ -59,8 +58,6 @@ class InventoryWindow : public Window, gcn::ActionListener,
          */
         void action(const gcn::ActionEvent &event);
 
-        void mouseClicked(gcn::MouseEvent &event);
-
         Item* getItem();
 
         /**
@@ -68,6 +65,8 @@ class InventoryWindow : public Window, gcn::ActionListener,
          */
         void valueChanged(const gcn::SelectionEvent &event);
 
+        void mouseClicked(gcn::MouseEvent &event);
+
         /**
          * Called whenever the widget changes size.
          */
@@ -79,7 +78,7 @@ class InventoryWindow : public Window, gcn::ActionListener,
         ItemContainer *mItems;
 
         gcn::Button *mUseButton, *mDropButton;
-        ScrollArea *mInvenScroll;
+        gcn::ScrollArea *mInvenScroll;
         gcn::Label *mItemNameLabel;
         gcn::Label *mItemDescriptionLabel;
         gcn::Label *mItemEffectLabel;
diff --git a/src/gui/itemcontainer.cpp b/src/gui/itemcontainer.cpp
index eb9d66ec..eb8b91a7 100644
--- a/src/gui/itemcontainer.cpp
+++ b/src/gui/itemcontainer.cpp
@@ -38,6 +38,9 @@
 
 #include "../utils/tostring.h"
 
+const int ItemContainer::gridWidth = 36;  // item icon width + 4
+const int ItemContainer::gridHeight = 42; // item icon height + 10
+
 ItemContainer::ItemContainer(Inventory *inventory):
     mInventory(inventory),
     mSelectedItem(NULL)
@@ -50,6 +53,7 @@ ItemContainer::ItemContainer(Inventory *inventory):
     mMaxItems = mInventory->getLastUsedSlot() - 1; // Count from 0, usage from 2
 
     addMouseListener(this);
+    addWidgetListener(this);
 }
 
 ItemContainer::~ItemContainer()
@@ -67,15 +71,13 @@ ItemContainer::logic()
     if (i != mMaxItems)
     {
         mMaxItems = i;
-        setWidth(getWidth());
+        recalculateHeight();
     }
 }
 
 void
 ItemContainer::draw(gcn::Graphics *graphics)
 {
-    int gridWidth = 36; //(item icon width + 4)
-    int gridHeight = 42; //(item icon height + 10)
     int columns = getWidth() / gridWidth;
 
     // Have at least 1 column
@@ -130,22 +132,22 @@ ItemContainer::draw(gcn::Graphics *graphics)
     }
 }
 
-void
-ItemContainer::setWidth(int width)
+void ItemContainer::widgetResized(const gcn::Event &event)
 {
-    gcn::Widget::setWidth(width);
+    recalculateHeight();
+}
 
-    int gridWidth = 36; //item icon width + 4
-    int gridHeight = 42; //item icon height + 10
-    int columns = getWidth() / gridWidth;
+void ItemContainer::recalculateHeight()
+{
+    int cols = getWidth() / gridWidth;
 
-    if (columns < 1)
-    {
-        columns = 1;
-    }
+    if (cols < 1)
+        cols = 1;
 
-    setHeight(4 + ((mMaxItems / columns) +
-            (mMaxItems % columns > 0 ? 1 : 0)) * gridHeight);
+    const int rows = (mMaxItems / cols) + (mMaxItems % cols > 0 ? 1 : 0);
+    const int height = rows * gridHeight + 8;
+    if (height != getHeight())
+        setHeight(height);
 }
 
 Item*
@@ -190,8 +192,6 @@ ItemContainer::mousePressed(gcn::MouseEvent &event)
 
     if (button == gcn::MouseEvent::LEFT || button == gcn::MouseEvent::RIGHT)
     {
-        int gridWidth = 36; //(item icon width + 4)
-        int gridHeight = 42; //(item icon height + 10)
         int columns = getWidth() / gridWidth;
         int mx = event.getX();
         int my = event.getY();
diff --git a/src/gui/itemcontainer.h b/src/gui/itemcontainer.h
index 58b19179..9320cdcf 100644
--- a/src/gui/itemcontainer.h
+++ b/src/gui/itemcontainer.h
@@ -26,6 +26,7 @@
 
 #include <guichan/mouselistener.hpp>
 #include <guichan/widget.hpp>
+#include <guichan/widgetlistener.hpp>
 
 #include <list>
 
@@ -42,7 +43,8 @@ namespace gcn {
  *
  * \ingroup GUI
  */
-class ItemContainer : public gcn::Widget, public gcn::MouseListener
+class ItemContainer : public gcn::Widget, public gcn::MouseListener,
+    public gcn::WidgetListener
 {
     public:
         /**
@@ -66,10 +68,9 @@ class ItemContainer : public gcn::Widget, public gcn::MouseListener
         void draw(gcn::Graphics *graphics);
 
         /**
-         * Sets the width of the container. This is used to determine the new
-         * height of the container.
+         * Called whenever the widget changes size.
          */
-        void setWidth(int width);
+        void widgetResized(const gcn::Event &event);
 
         /**
          * Handles mouse click.
@@ -111,6 +112,11 @@ class ItemContainer : public gcn::Widget, public gcn::MouseListener
         void setSelectedItem(Item *item);
 
         /**
+         * Determine and set the height of the container.
+         */
+        void recalculateHeight();
+
+        /**
          * Sends out selection events to the list of selection listeners.
          */
         void distributeValueChangedEvent();
@@ -122,6 +128,9 @@ class ItemContainer : public gcn::Widget, public gcn::MouseListener
         int mMaxItems;
 
         std::list<gcn::SelectionListener*> mListeners;
+
+        static const int gridWidth;
+        static const int gridHeight;
 };
 
 #endif
diff --git a/src/gui/scrollarea.cpp b/src/gui/scrollarea.cpp
index 21f37510..255aa2d8 100644
--- a/src/gui/scrollarea.cpp
+++ b/src/gui/scrollarea.cpp
@@ -296,15 +296,3 @@ void ScrollArea::drawHMarker(gcn::Graphics *graphics)
     static_cast<Graphics*>(graphics)->
         drawImageRect(dim.x, dim.y, dim.width, dim.height, vMarker);
 }
-
-int ScrollArea::getAdjustedWidth() const
-{
-    return ScrollArea::getDimension().width -
-            (mVBarVisible ? ScrollArea::getScrollbarWidth() : 0);
-}
-
-int ScrollArea::getAdjustedHeight() const
-{
-    return ScrollArea::getDimension().height -
-            (mHBarVisible ? ScrollArea::getScrollbarWidth() : 0);
-}
diff --git a/src/gui/scrollarea.h b/src/gui/scrollarea.h
index c714bf1f..be361f68 100644
--- a/src/gui/scrollarea.h
+++ b/src/gui/scrollarea.h
@@ -78,18 +78,6 @@ class ScrollArea : public gcn::ScrollArea
          */
         bool isOpaque() const { return mOpaque; }
 
-        /**
-         * Return the width of the scrollarea adjusting for visible
-         * vertical scrollbar.
-         */
-        int getAdjustedWidth() const;
-
-        /**
-         * Return the height of the scrollarea adjusting for visible
-         * horizontal scrollbar.
-         */
-        int getAdjustedHeight() const;
-
     protected:
         enum BUTTON_DIR {
             UP,