From 991389a535985af072f830b89e5113da82650fe5 Mon Sep 17 00:00:00 2001
From: Nikos Giagtzoglou <gnikos21@yahoo.gr>
Date: Sat, 22 Nov 2008 11:43:53 +0100
Subject: Inventory window now displays amount of slots used

Patch by Nikos, with some improvements by vargavind.
---
 NEWS                        |  1 +
 src/gui/inventorywindow.cpp | 19 +++++++++++++++----
 src/gui/inventorywindow.h   |  1 +
 src/inventory.cpp           | 11 ++++++++---
 src/inventory.h             | 11 ++++++++---
 5 files changed, 33 insertions(+), 10 deletions(-)

diff --git a/NEWS b/NEWS
index e2df4964..c93575b5 100644
--- a/NEWS
+++ b/NEWS
@@ -4,6 +4,7 @@
 - Added --data parameter for developers
 - Added particle effect for critical hits
 - Added support for dynamic skill names and hair colors
+- Inventory window now displays amount of slots used
 - Center minimap on player when it is larger than the minimap window
 - Extended particle emitters with properties that can change over time
 - Extended the GUI font to support more characters
diff --git a/src/gui/inventorywindow.cpp b/src/gui/inventorywindow.cpp
index d01a2112..6a5a8b37 100644
--- a/src/gui/inventorywindow.cpp
+++ b/src/gui/inventorywindow.cpp
@@ -24,11 +24,11 @@
 #include <string>
 
 #include <guichan/mouseinput.hpp>
-
 #include <guichan/widgets/label.hpp>
 
 #include "button.h"
 #include "gui.h"
+#include "inventory.h"
 #include "item_amount.h"
 #include "itemcontainer.h"
 #include "scrollarea.h"
@@ -64,10 +64,13 @@ InventoryWindow::InventoryWindow():
     mItemNameLabel = new gcn::Label("Name:");
     mItemDescriptionLabel = new gcn::Label("Description:");
     mItemEffectLabel = new gcn::Label("Effect:");
-    mWeightLabel = new gcn::Label("Total Weight: - Maximum Weight: ");
+    mWeightLabel = new gcn::Label("Weight:");
     mWeightLabel->setPosition(8, 8);
     mInvenScroll->setPosition(8,
             mWeightLabel->getY() + mWeightLabel->getHeight() + 5);
+    mInvenSlotLabel = new gcn::Label("Slots used:");
+    mInvenSlotLabel->setPosition(mWeightLabel->getX()
+            + mWeightLabel->getWidth() + 100, 8);
 
     add(mUseButton);
     add(mDropButton);
@@ -76,6 +79,7 @@ InventoryWindow::InventoryWindow():
     add(mItemDescriptionLabel);
     add(mItemEffectLabel);
     add(mWeightLabel);
+    add(mInvenSlotLabel);
 
     mUseButton->setSize(60, mUseButton->getHeight());
 
@@ -92,8 +96,14 @@ void InventoryWindow::logic()
 
     // Update weight information
     mWeightLabel->setCaption(
-            "Total Weight: " + toString(player_node->mTotalWeight) + " - "
-            "Maximum Weight: " + toString(player_node->mMaxWeight));
+            "Weight: " + toString(player_node->mTotalWeight) +
+            "/" + toString(player_node->mMaxWeight));
+
+    // Update number of items in inventory
+    mInvenSlotLabel->setCaption(
+            "Slots used: "
+            + toString(player_node->getInventory()->getNumberOfSlotsUsed())
+            + "/" + toString(player_node->getInventory()->getInventorySize()));
 }
 
 void InventoryWindow::action(const gcn::ActionEvent &event)
@@ -201,6 +211,7 @@ void InventoryWindow::widgetResized(const gcn::Event &event)
             mItemDescriptionLabel->getY() - mWeightLabel->getHeight() - 18);
 
     mWeightLabel->setWidth(width - 16);
+    mInvenSlotLabel->setWidth(width - 16);
 }
 
 void InventoryWindow::updateButtons()
diff --git a/src/gui/inventorywindow.h b/src/gui/inventorywindow.h
index 0b208bbb..b1e3ede3 100644
--- a/src/gui/inventorywindow.h
+++ b/src/gui/inventorywindow.h
@@ -84,6 +84,7 @@ class InventoryWindow : public Window, gcn::ActionListener,
         gcn::Label *mItemDescriptionLabel;
         gcn::Label *mItemEffectLabel;
         gcn::Label *mWeightLabel;
+        gcn::Label *mInvenSlotLabel;
 };
 
 extern InventoryWindow *inventoryWindow;
diff --git a/src/inventory.cpp b/src/inventory.cpp
index 5633f430..938d23d3 100644
--- a/src/inventory.cpp
+++ b/src/inventory.cpp
@@ -132,19 +132,19 @@ bool Inventory::contains(Item *item) const
     return false;
 }
 
-int Inventory::getFreeSlot()
+int Inventory::getFreeSlot() const
 {
     Item **i = std::find_if(mItems + 2, mItems + INVENTORY_SIZE,
             std::not1(SlotUsed()));
     return (i == mItems + INVENTORY_SIZE) ? -1 : (i - mItems);
 }
 
-int Inventory::getNumberOfSlotsUsed()
+int Inventory::getNumberOfSlotsUsed() const
 {
     return count_if(mItems, mItems + INVENTORY_SIZE, SlotUsed());
 }
 
-int Inventory::getLastUsedSlot()
+int Inventory::getLastUsedSlot() const
 {
     for (int i = INVENTORY_SIZE - 1; i >= 0; i--) {
         if (SlotUsed()(mItems[i])) {
@@ -154,3 +154,8 @@ int Inventory::getLastUsedSlot()
 
     return -1;
 }
+
+int Inventory::getInventorySize() const
+{
+    return INVENTORY_SIZE - 2;
+}
diff --git a/src/inventory.h b/src/inventory.h
index aa5c8d1d..2fbbbf4c 100644
--- a/src/inventory.h
+++ b/src/inventory.h
@@ -80,7 +80,7 @@ class Inventory
         /**
          * Returns id of next free slot or -1 if all occupied.
          */
-        int getFreeSlot();
+        int getFreeSlot() const;
 
         /**
          * Reset all item slots.
@@ -90,12 +90,17 @@ class Inventory
         /**
          * Get the number of slots filled with an item
          */
-        int getNumberOfSlotsUsed();
+        int getNumberOfSlotsUsed() const;
 
         /**
          * Returns the index of the last occupied slot or 0 if none occupied.
          */
-        int getLastUsedSlot();
+        int getLastUsedSlot() const;
+
+        /**
+         * Returns the number of slots available in the inventory.
+         */
+        int getInventorySize() const;
 
     protected:
         Item **mItems;  /**< The holder of items */
-- 
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