1 files changed, 151 insertions, 40 deletions

diff --git a/src/gui/sell.cpp b/src/gui/sell.cpp
index 26487b9a..bc1fe2e8 100644
--- a/src/gui/sell.cpp
+++ b/src/gui/sell.cpp
@@ -39,42 +39,69 @@ SellDialog::SellDialog():
     scrollArea = new ScrollArea(itemList);
     slider = new Slider(1.0);
     quantityLabel = new gcn::Label("0");
-    okButton = new Button("OK");
-    cancelButton = new Button("Cancel");
-    okButton->setEnabled(false);
+    increaseButton = new Button("+");
+    decreaseButton = new Button("-");
+    sellButton = new Button("Sell");
+    quitButton = new Button("Quit");
+    sellButton->setEnabled(false);
 
     setContentSize(260, 175);
     scrollArea->setHorizontalScrollPolicy(gcn::ScrollArea::SHOW_NEVER);
     scrollArea->setDimension(gcn::Rectangle(5, 5, 250, 110));
     itemList->setDimension(gcn::Rectangle(5, 5, 238, 110));
+
     slider->setDimension(gcn::Rectangle(5, 120, 200, 10));
+    slider->setEnabled(false);
+
     quantityLabel->setPosition(215, 120);
-    okButton->setPosition(180, 145);
-    cancelButton->setPosition(208, 145);
+
+    increaseButton->setPosition(40, 145);
+    increaseButton->setSize(20, 20);
+    increaseButton->setEnabled(false);
+
+    decreaseButton->setPosition(10, 145);
+    decreaseButton->setSize(20, 20);
+    decreaseButton->setEnabled(false);
+
+    sellButton->setPosition(175, 145);
+    sellButton->setEnabled(false);
+
+    quitButton->setPosition(208, 145);
 
     itemList->setEventId("item");
     slider->setEventId("slider");
-    okButton->setEventId("ok");
-    cancelButton->setEventId("cancel");
+    increaseButton->setEventId("+");
+    decreaseButton->setEventId("-");
+    sellButton->setEventId("sell");
+    quitButton->setEventId("quit");
 
     itemList->addActionListener(this);
     slider->addActionListener(this);
-    okButton->addActionListener(this);
-    cancelButton->addActionListener(this);
+    increaseButton->addActionListener(this);
+    decreaseButton->addActionListener(this);
+    sellButton->addActionListener(this);
+    quitButton->addActionListener(this);
 
     add(scrollArea);
     add(slider);
     add(quantityLabel);
-    add(okButton);
-    add(cancelButton);
+    add(increaseButton);
+    add(decreaseButton);
+    add(sellButton);
+    add(quitButton);
 
     setLocationRelativeTo(getParent());
+
+    m_maxItems = 0;
+    m_amountItems = 0;
 }
 
 SellDialog::~SellDialog()
 {
-    delete cancelButton;
-    delete okButton;
+    delete increaseButton;
+    delete decreaseButton;
+    delete quitButton;
+    delete sellButton;
     delete slider;
     delete itemList;
     delete scrollArea;
@@ -84,6 +111,7 @@ void SellDialog::reset()
 {
     shopInventory.clear();
     slider->setValue(0.0);
+    m_amountItems = 0;
     quantityLabel->setCaption("0");
     quantityLabel->adjustSize();
 }
@@ -111,41 +139,124 @@ void SellDialog::addItem(short index, int price)
 void SellDialog::action(const std::string& eventId)
 {
     int selectedItem = itemList->getSelected();
+    std::stringstream oss;
 
-    if (eventId == "slider" || eventId == "item") {
-        if (selectedItem > -1) {
-            int maxItems = shopInventory[selectedItem].quantity;
-            int numItems = (int)(slider->getValue() * maxItems);
-            std::stringstream ss;
+    if (eventId == "item")
+    {
+        if (selectedItem > -1)
+        {
+            slider->setEnabled(true);
+            increaseButton->setEnabled(true);
 
-            ss << numItems;
-            quantityLabel->setCaption(ss.str());
-            quantityLabel->adjustSize();
+            m_maxItems = shopInventory[selectedItem].quantity;
+            m_amountItems = 0;
+        }
+        else
+        {
+            slider->setValue(0);
+            slider->setEnabled(false);
+            increaseButton->setEnabled(false);
+            decreaseButton->setEnabled(false);
+            sellButton->setEnabled(false);
+            m_amountItems = 0;
+      }
+    }
+    else if (eventId == "slider" && selectedItem > -1)
+    {
+        m_amountItems = (int)(slider->getValue() * m_maxItems);
+
+        oss << m_amountItems;
+        quantityLabel->setCaption(oss.str());
+        quantityLabel->adjustSize();
 
-            okButton->setEnabled(numItems > 0);
+        if (m_amountItems > 0)
+        {
+            sellButton->setEnabled(true);
+            decreaseButton->setEnabled(true);
         }
-        else {
-            okButton->setEnabled(false);
+        else
+        {
+            sellButton->setEnabled(false);
+            decreaseButton->setEnabled(false);
+        }
+
+        if (m_amountItems == m_maxItems)
+        {
+            increaseButton->setEnabled(false);
+        }
+        else
+        {
+             increaseButton->setEnabled(true);
         }
     }
-    else if (eventId == "ok") {
-        if (selectedItem > -1) {
-            // Attempt sell
-            int maxItems = shopInventory[selectedItem].quantity;
-            int amount = (int)(slider->getValue() * maxItems);
-
-            if (amount > 0) {
-                WFIFOW(0) = net_w_value(0x00c9);
-                WFIFOW(2) = net_w_value(8);
-                WFIFOW(4) = net_w_value(shopInventory[selectedItem].index);
-                WFIFOW(6) = net_w_value(amount);
-                WFIFOSET(8);
-            }
+    else if (eventId == "+" && selectedItem > -1)
+    {
+        assert(m_amountItems < m_maxItems);
+        m_amountItems++;
+        slider->setValue(double(m_amountItems)/double(m_maxItems));
+
+        decreaseButton->setEnabled(true);
+        sellButton->setEnabled(true);
+        if (m_amountItems == m_maxItems)
+        {
+            increaseButton->setEnabled(false);
         }
-        setVisible(false);
-        current_npc = 0;
+
+        oss << m_amountItems;
+        quantityLabel->setCaption(oss.str());
+        quantityLabel->adjustSize();
+    }
+    else if (eventId == "-" && selectedItem > -1)
+    {
+        assert(m_amountItems > 0);
+        m_amountItems--;
+
+        slider->setValue(double(m_amountItems)/double(m_maxItems));
+
+        increaseButton->setEnabled(true);
+        if (m_amountItems == 0)
+        {
+            decreaseButton->setEnabled(false);
+            sellButton->setEnabled(false);
+        }
+
+        oss << m_amountItems;
+        quantityLabel->setCaption(oss.str());
+        quantityLabel->adjustSize();
+    }
+    else if (eventId == "sell" && selectedItem > -1)
+    {
+        // Attempt sell
+        assert(m_amountItems > 0 && m_amountItems <= m_maxItems);
+        assert(selectedItem >= 0 && selectedItem < int(shopInventory.size()));
+
+        WFIFOW(0) = net_w_value(0x00c9);
+        WFIFOW(2) = net_w_value(8);
+        WFIFOW(4) = net_w_value(shopInventory[selectedItem].index);
+        WFIFOW(6) = net_w_value(m_amountItems);
+        WFIFOSET(8);
+
+        if (m_amountItems == m_maxItems)
+        {
+            slider->setEnabled(false);
+            increaseButton->setEnabled(false);
+            shopInventory.erase(shopInventory.begin() += selectedItem);
+        }
+        else
+        {
+            m_maxItems = shopInventory[selectedItem].quantity - m_amountItems;
+        }
+
+        decreaseButton->setEnabled(false);
+        sellButton->setEnabled(false);
+
+        m_amountItems = 0;
+        slider->setValue(0);
+        quantityLabel->setCaption("O");
+        quantityLabel->adjustSize();
     }
-    else if (eventId == "cancel") {
+    else if (eventId == "quit")
+    {
         setVisible(false);
         current_npc = 0;
     }