Added garbage collection to the ScrollArea class. Fixed slider not being updated in the item amount box when the buttons are used.

26 files changed, 62 insertions, 156 deletions

diff --git a/ChangeLog b/ChangeLog
index c97e537e..bf92cc80 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,17 @@
 2005-10-20  Björn Steinbrink  <B.Steinbrink@gmx.de>
 
+	* src/gui/item_amount.cpp: Fix scrollbar not being updated when the
+	amount is changed using the buttons.
+	* src/gui/buddywindow.cpp, src/gui/buddywindow.h, src/gui/buy.cpp,
+	src/gui/buy.h, src/gui/char_select.cpp, src/gui/char_select.h,
+	src/gui/char_server.cpp, src/gui/chat.cpp, src/gui/help.cpp,
+	src/gui/help.h, src/gui/inventorywindow.cpp,
+	src/gui/inventorywindow.h, src/gui/item_amount.cpp, src/gui/npc.cpp,
+	src/gui/npc.h, src/gui/npc_text.cpp, src/gui/npc_text.h,
+	src/gui/scrollarea.cpp, src/gui/scrollarea.h, src/gui/sell.cpp,
+	src/gui/sell.h, src/gui/setup.cpp ,src/gui/skill.cpp,
+	src/gui/trade.cpp, src/gui/updatewindow.cpp: Add garbage collection to
+	the ScrollArea class.
 	* src/gui/confirm_dialog.cpp, src/gui/confirm_dialog.h,
 	src/gui/connection.cpp, src/gui/connection.h, src/gui/debugwindow.cpp,
 	src/gui/debugwindow.h, src/gui/item_amount.cpp, src/gui/item_amount.h,
diff --git a/src/gui/buddywindow.cpp b/src/gui/buddywindow.cpp
index 8d4c246e..c37f2a6d 100644
--- a/src/gui/buddywindow.cpp
+++ b/src/gui/buddywindow.cpp
@@ -36,23 +36,23 @@ BuddyWindow::BuddyWindow():
 {
     setContentSize(124, 202);
 
-    listbox = new gcn::ListBox();
-    listbox->setListModel(this);
+    mListbox = new gcn::ListBox();
+    mListbox->setListModel(this);
 
-    scrollArea = new ScrollArea(listbox);
+    ScrollArea *scrollArea = new ScrollArea(mListbox);
     scrollArea->setDimension(gcn::Rectangle(
                 7, 5, 110, 170));
     add(scrollArea);
 
-    talk = new Button("Talk");
+    Button *talk = new Button("Talk");
     talk->setPosition(2,180);
     talk->addActionListener(this);
     talk->setEventId("Talk");
-    remove = new Button("Remove");
+    Button *remove = new Button("Remove");
     remove->addActionListener(this);
     remove->setEventId("Remove");
     remove->setPosition(talk->getWidth()+2,180);
-    cancel = new Button("Cancel");
+    Button *cancel = new Button("Cancel");
     cancel->addActionListener(this);
     cancel->setEventId("Cancel");
     cancel->setPosition(talk->getWidth()+remove->getWidth()+2,180);
@@ -62,15 +62,10 @@ BuddyWindow::BuddyWindow():
     add(cancel);
 }
 
-BuddyWindow::~BuddyWindow()
-{
-    delete listbox;
-}
-
 void BuddyWindow::action(const std::string& eventId)
 {
     if (eventId == "Talk") {
-        int selected = listbox->getSelected();
+        int selected = mListbox->getSelected();
         if ( selected > -1 )
         {
             std::string who = getElementAt(selected);
@@ -78,7 +73,7 @@ void BuddyWindow::action(const std::string& eventId)
         }
     }
     else if (eventId == "Remove") {
-        int selected = listbox->getSelected();
+        int selected = mListbox->getSelected();
         if ( selected > -1 )
         {
             std::string who = getElementAt(selected);
diff --git a/src/gui/buddywindow.h b/src/gui/buddywindow.h
index 32dd2da2..82ef9935 100644
--- a/src/gui/buddywindow.h
+++ b/src/gui/buddywindow.h
@@ -47,21 +47,12 @@ class BuddyWindow : public Window, public BuddyList,
         BuddyWindow();
 
         /**
-         * Destructor
-         */
-        ~BuddyWindow();
-
-        /**
          * Performs action.
          */
         void action(const std::string &actionId);
 
     private:
-        gcn::ListBox *listbox;
-        gcn::ScrollArea *scrollArea;
-        gcn::Button *talk;
-        gcn::Button *remove;
-        gcn::Button *cancel;
+        gcn::ListBox *mListbox;
 };
 
 #endif /* _TMW_BUDDYWINDOW_H */
diff --git a/src/gui/buy.cpp b/src/gui/buy.cpp
index 4414a755..1c0b2ea7 100644
--- a/src/gui/buy.cpp
+++ b/src/gui/buy.cpp
@@ -114,11 +114,6 @@ BuyDialog::BuyDialog():
     setLocationRelativeTo(getParent());
 }
 
-BuyDialog::~BuyDialog()
-{
-    delete itemList;
-}
-
 void BuyDialog::setMoney(int amount)
 {
     m_money = amount;
diff --git a/src/gui/buy.h b/src/gui/buy.h
index 341989c9..7e9ef069 100644
--- a/src/gui/buy.h
+++ b/src/gui/buy.h
@@ -51,11 +51,6 @@ class BuyDialog : public Window, public gcn::ActionListener,
         BuyDialog();
 
         /**
-         * Destructor.
-         */
-        ~BuyDialog();
-
-        /**
          * Resets the dialog, clearing shop inventory.
          */
         void reset();
@@ -110,6 +105,4 @@ class BuyDialog : public Window, public gcn::ActionListener,
         int m_maxItems;
 };
 
-extern BuyDialog *buyDialog;
-
 #endif
diff --git a/src/gui/char_select.cpp b/src/gui/char_select.cpp
index 0123251b..86e2b12f 100644
--- a/src/gui/char_select.cpp
+++ b/src/gui/char_select.cpp
@@ -347,21 +347,6 @@ CharCreateDialog::CharCreateDialog(Window *parent):
     setLocationRelativeTo(getParent());
 }
 
-CharCreateDialog::~CharCreateDialog()
-{
-    delete nameField;
-    delete nameLabel;
-    delete nextHairColorButton;
-    delete prevHairColorButton;
-    delete hairColorLabel;
-    delete nextHairStyleButton;
-    delete prevHairStyleButton;
-    delete hairStyleLabel;
-    delete createButton;
-    delete cancelButton;
-    delete playerBox;
-}
-
 void CharCreateDialog::action(const std::string& eventId)
 {
     if (eventId == "create") {
diff --git a/src/gui/char_select.h b/src/gui/char_select.h
index d36904d3..a85bb28c 100644
--- a/src/gui/char_select.h
+++ b/src/gui/char_select.h
@@ -102,11 +102,6 @@ class CharCreateDialog : public Window, public gcn::ActionListener
          */
         CharCreateDialog(Window *parent = NULL);
 
-        /**
-         * Destructor.
-         */
-        ~CharCreateDialog();
-
         void action(const std::string& eventId);
 
         std::string getName();
diff --git a/src/gui/char_server.cpp b/src/gui/char_server.cpp
index 37e7d56f..7a9090cd 100644
--- a/src/gui/char_server.cpp
+++ b/src/gui/char_server.cpp
@@ -94,7 +94,6 @@ ServerSelectDialog::ServerSelectDialog():
 
 ServerSelectDialog::~ServerSelectDialog()
 {
-    delete serverList;
     delete serverListModel;
 }
 
diff --git a/src/gui/chat.cpp b/src/gui/chat.cpp
index 2050745e..731cc0d0 100644
--- a/src/gui/chat.cpp
+++ b/src/gui/chat.cpp
@@ -77,8 +77,6 @@ ChatWindow::ChatWindow(const std::string &logfile):
 
 ChatWindow::~ChatWindow()
 {
-    delete textOutput;
-
     chatlog_file.flush();
     chatlog_file.close();
 }
diff --git a/src/gui/help.cpp b/src/gui/help.cpp
index 45ed7ba4..eb30556a 100644
--- a/src/gui/help.cpp
+++ b/src/gui/help.cpp
@@ -41,7 +41,7 @@ HelpWindow::HelpWindow():
     browserBox = new BrowserBox();
     browserBox->setOpaque(false);
     scrollArea = new ScrollArea(browserBox);
-    okButton = new Button("Close");
+    Button *okButton = new Button("Close");
 
     scrollArea->setDimension(gcn::Rectangle(
                 5, 5, 445, 335 - okButton->getHeight()));
@@ -60,11 +60,6 @@ HelpWindow::HelpWindow():
     setLocationRelativeTo(getParent());
 }
 
-HelpWindow::~HelpWindow()
-{
-    delete browserBox;
-}
-
 void HelpWindow::action(const std::string& eventId)
 {
     if (eventId == "close")
diff --git a/src/gui/help.h b/src/gui/help.h
index 6a0c6551..139b9397 100644
--- a/src/gui/help.h
+++ b/src/gui/help.h
@@ -46,11 +46,6 @@ class HelpWindow : public Window, public LinkHandler,
         HelpWindow();
 
         /**
-         * Destructor.
-         */
-        ~HelpWindow();
-
-        /**
          * Called when receiving actions from the widgets.
          */
         void action(const std::string& eventId);
@@ -67,9 +62,8 @@ class HelpWindow : public Window, public LinkHandler,
 
     private:
         void loadFile(const std::string &file);
-        
+
         BrowserBox* browserBox;
-        gcn::Button *okButton;
         gcn::ScrollArea *scrollArea;
 };
 
diff --git a/src/gui/inventorywindow.cpp b/src/gui/inventorywindow.cpp
index 62a0be4b..35809bdd 100644
--- a/src/gui/inventorywindow.cpp
+++ b/src/gui/inventorywindow.cpp
@@ -88,11 +88,6 @@ InventoryWindow::InventoryWindow():
 
 }
 
-InventoryWindow::~InventoryWindow()
-{
-    delete items;
-}
-
 void InventoryWindow::logic()
 {
     Window::logic();
diff --git a/src/gui/inventorywindow.h b/src/gui/inventorywindow.h
index 4dbda261..17c4888a 100644
--- a/src/gui/inventorywindow.h
+++ b/src/gui/inventorywindow.h
@@ -47,11 +47,6 @@ class InventoryWindow : public Window, gcn::ActionListener
         InventoryWindow();
 
         /**
-         * Destructor.
-         */
-        ~InventoryWindow();
-
-        /**
          * Logic (updates buttons and weight information)
          */
         void logic();
diff --git a/src/gui/item_amount.cpp b/src/gui/item_amount.cpp
index f308b7ab..d92f53e1 100644
--- a/src/gui/item_amount.cpp
+++ b/src/gui/item_amount.cpp
@@ -106,6 +106,7 @@ void ItemAmountWindow::resetAmount()
 
 void ItemAmountWindow::action(const std::string& eventId)
 {
+    int amount = mItemAmountTextBox->getInt();
 
     if (eventId == "Cancel")
     {
@@ -123,15 +124,18 @@ void ItemAmountWindow::action(const std::string& eventId)
     }
     else if (eventId == "Plus")
     {
-        mItemAmountTextBox->setInt(mItemAmountTextBox->getInt() + 1);
+        amount++;
     }
     else if (eventId == "Minus")
     {
-        mItemAmountTextBox->setInt(mItemAmountTextBox->getInt() - 1);
+        amount--;
     }
     else if (eventId == "Slide")
     {
-        mItemAmountTextBox->setInt((int)(mItemAmountSlide->getValue()*mItem->getQuantity()));
+        amount = (int)(mItemAmountSlide->getValue()*(mItem->getQuantity()+1));
     }
+    mItemAmountTextBox->setInt(amount);
+    amount = mItemAmountTextBox->getInt(); // The textbox cares about bounds
+    mItemAmountSlide->setValue((amount-1)*1.0f/(mItem->getQuantity()-1));
 }
 
diff --git a/src/gui/npc.cpp b/src/gui/npc.cpp
index 2729d816..de491b73 100644
--- a/src/gui/npc.cpp
+++ b/src/gui/npc.cpp
@@ -23,6 +23,8 @@
 
 #include "npc.h"
 
+#include <sstream>
+
 #include "button.h"
 #include "scrollarea.h"
 #include "listbox.h"
@@ -35,10 +37,10 @@
 NpcListDialog::NpcListDialog():
     Window("NPC")
 {
-    itemList = new ListBox(this);
-    scrollArea = new ScrollArea(itemList);
-    okButton = new Button("OK");
-    cancelButton = new Button("Cancel");
+    mItemList = new ListBox(this);
+    ScrollArea *scrollArea = new ScrollArea(mItemList);
+    Button *okButton = new Button("OK");
+    Button *cancelButton = new Button("Cancel");
 
     setContentSize(260, 175);
     scrollArea->setHorizontalScrollPolicy(gcn::ScrollArea::SHOW_NEVER);
@@ -51,11 +53,11 @@ NpcListDialog::NpcListDialog():
             cancelButton->getX() - 5 - okButton->getWidth(),
             cancelButton->getY());
 
-    itemList->setEventId("item");
+    mItemList->setEventId("item");
     okButton->setEventId("ok");
     cancelButton->setEventId("cancel");
 
-    itemList->addActionListener(this);
+    mItemList->addActionListener(this);
     okButton->addActionListener(this);
     cancelButton->addActionListener(this);
 
@@ -66,11 +68,6 @@ NpcListDialog::NpcListDialog():
     setLocationRelativeTo(getParent());
 }
 
-NpcListDialog::~NpcListDialog()
-{
-    delete itemList;
-}
-
 int
 NpcListDialog::getNumberOfElements()
 {
@@ -86,16 +83,12 @@ NpcListDialog::getElementAt(int i)
 void
 NpcListDialog::parseItems(const std::string &itemString)
 {
-    char *copy = new char[itemString.length() + 1];
-    strcpy(copy, itemString.c_str());
+    std::istringstream iss(itemString);
 
-    char *token = strtok(copy, ":");
-    while (token) {
-        items.push_back(token);
-        token = strtok(NULL, ":");
+    std::string tmp;
+    while(getline(iss, tmp, ':')) {
+        items.push_back(tmp);
     }
-
-    delete[] copy;
 }
 
 void
@@ -108,11 +101,11 @@ void
 NpcListDialog::action(const std::string& eventId)
 {
     int choice = 0;
-    
+
     if (eventId == "ok")
     {
         // Send the selected index back to the server
-        int selectedIndex = itemList->getSelected();
+        int selectedIndex = mItemList->getSelected();
         if (selectedIndex > -1)
         {
             choice = selectedIndex + 1;
@@ -122,7 +115,7 @@ NpcListDialog::action(const std::string& eventId)
     {
         choice = 0xff; // 0xff means cancel
     }
-    
+
     if (choice)
     {
         MessageOut outMsg;
diff --git a/src/gui/npc.h b/src/gui/npc.h
index e9960cd2..6ab49138 100644
--- a/src/gui/npc.h
+++ b/src/gui/npc.h
@@ -51,11 +51,6 @@ class NpcListDialog : public Window, public gcn::ActionListener,
         NpcListDialog();
 
         /**
-         * Destructor.
-         */
-        ~NpcListDialog();
-
-        /**
          * Called when receiving actions from the widgets.
          */
         void
@@ -88,14 +83,9 @@ class NpcListDialog : public Window, public gcn::ActionListener,
         reset();
 
     private:
-        gcn::Button *okButton;
-        gcn::Button *cancelButton;
-        gcn::ListBox *itemList;
-        gcn::ScrollArea *scrollArea;
+        gcn::ListBox *mItemList;
 
         std::vector<std::string> items;
 };
 
-extern NpcListDialog *npcListDialog;
-
 #endif
diff --git a/src/gui/npc_text.cpp b/src/gui/npc_text.cpp
index 12032850..f4bdfb0f 100644
--- a/src/gui/npc_text.cpp
+++ b/src/gui/npc_text.cpp
@@ -58,11 +58,6 @@ NpcTextDialog::NpcTextDialog():
     setLocationRelativeTo(getParent());
 }
 
-NpcTextDialog::~NpcTextDialog()
-{
-    delete textBox;
-}
-
 void
 NpcTextDialog::setText(const char *text)
 {
diff --git a/src/gui/npc_text.h b/src/gui/npc_text.h
index 02fae7f4..aa6aa725 100644
--- a/src/gui/npc_text.h
+++ b/src/gui/npc_text.h
@@ -47,11 +47,6 @@ class NpcTextDialog : public Window, public gcn::ActionListener
         NpcTextDialog();
 
         /**
-         * Destructor.
-         */
-        ~NpcTextDialog();
-
-        /**
          * Called when receiving actions from the widgets.
          */
         void
diff --git a/src/gui/scrollarea.cpp b/src/gui/scrollarea.cpp
index 246e2ffa..d1873cb5 100644
--- a/src/gui/scrollarea.cpp
+++ b/src/gui/scrollarea.cpp
@@ -35,20 +35,27 @@ ImageRect ScrollArea::background;
 ImageRect ScrollArea::vMarker;
 Image *ScrollArea::buttons[4][2];
 
-ScrollArea::ScrollArea():
-    gcn::ScrollArea()
+ScrollArea::ScrollArea(bool gc):
+    gcn::ScrollArea(),
+    mGC(gc)
 {
     init();
 }
 
-ScrollArea::ScrollArea(gcn::Widget *widget):
-    gcn::ScrollArea(widget)
+ScrollArea::ScrollArea(gcn::Widget *widget, bool gc):
+    gcn::ScrollArea(widget),
+    mGC(gc)
 {
     init();
 }
 
 ScrollArea::~ScrollArea()
 {
+    // Garbage collection
+    if (mGC) {
+        delete mContent;
+    }
+
     instances--;
 
     if (instances == 0)
diff --git a/src/gui/scrollarea.h b/src/gui/scrollarea.h
index d75e194a..504842cc 100644
--- a/src/gui/scrollarea.h
+++ b/src/gui/scrollarea.h
@@ -39,12 +39,12 @@ class ScrollArea : public gcn::ScrollArea {
         /**
          * Constructor.
          */
-        ScrollArea();
+        ScrollArea(bool gc=true);
 
         /**
          * Constructor.
          */
-        ScrollArea(gcn::Widget *content);
+        ScrollArea(gcn::Widget *content, bool gc=true);
 
         /**
          * Destructor.
@@ -108,6 +108,7 @@ class ScrollArea : public gcn::ScrollArea {
         static Image *buttons[4][2];
 
         bool mOpaque;
+        bool mGC;
 };
 
 #endif
diff --git a/src/gui/sell.cpp b/src/gui/sell.cpp
index 7245c692..ea5b948f 100644
--- a/src/gui/sell.cpp
+++ b/src/gui/sell.cpp
@@ -116,11 +116,6 @@ SellDialog::SellDialog():
     setLocationRelativeTo(getParent());
 }
 
-SellDialog::~SellDialog()
-{
-    delete itemList;
-}
-
 void SellDialog::reset()
 {
     shopInventory.clear();
diff --git a/src/gui/sell.h b/src/gui/sell.h
index 864c5f63..9b30002a 100644
--- a/src/gui/sell.h
+++ b/src/gui/sell.h
@@ -54,11 +54,6 @@ class SellDialog : public Window, public gcn::ActionListener,
         SellDialog();
 
         /**
-         * Destructor.
-         */
-        ~SellDialog();
-
-        /**
          * Resets the dialog, clearing inventory.
          */
         void reset();
diff --git a/src/gui/setup.cpp b/src/gui/setup.cpp
index 30d95dcc..d76a0542 100644
--- a/src/gui/setup.cpp
+++ b/src/gui/setup.cpp
@@ -214,7 +214,6 @@ Setup::Setup():
 Setup::~Setup()
 {
     delete modeListModel;
-    delete modeList;
 }
 
 void Setup::action(const std::string &eventId)
diff --git a/src/gui/skill.cpp b/src/gui/skill.cpp
index 72790f6a..8a073bdd 100644
--- a/src/gui/skill.cpp
+++ b/src/gui/skill.cpp
@@ -110,13 +110,7 @@ SkillDialog::SkillDialog():
 
 SkillDialog::~SkillDialog()
 {
-    delete skillListBox;
-
-    for (int i = skillList.size() - 1; i >= 0; i--)
-    {
-        delete skillList[i];
-    }
-    skillList.clear();
+    cleanList();
 }
 
 void SkillDialog::action(const std::string& eventId)
@@ -210,6 +204,6 @@ void SkillDialog::cleanList()
     for (int i = skillList.size() - 1; i >= 0; i--)
     {
         delete skillList[i];
-        skillList.pop_back();
     }
+    skillList.clear();
 }
diff --git a/src/gui/trade.cpp b/src/gui/trade.cpp
index bd8b95c5..31efab2e 100644
--- a/src/gui/trade.cpp
+++ b/src/gui/trade.cpp
@@ -136,9 +136,6 @@ TradeWindow::TradeWindow():
 
 TradeWindow::~TradeWindow()
 {
-    delete myItemContainer;
-    delete partnerItemContainer;
-
     delete myInventory;
     delete partnerInventory;
 }
diff --git a/src/gui/updatewindow.cpp b/src/gui/updatewindow.cpp
index 8ad5e486..6d4f93df 100644
--- a/src/gui/updatewindow.cpp
+++ b/src/gui/updatewindow.cpp
@@ -107,7 +107,6 @@ UpdaterWindow::~UpdaterWindow()
     remove((mBasePath + "/updates/download.temp").c_str());
 
     delete[] mCurlError;
-    delete mBrowserBox;
 }
 
 void UpdaterWindow::setProgress(float p)