Add support for images in npc menu.

5 files changed, 241 insertions, 7 deletions

diff --git a/src/gui/npcdialog.cpp b/src/gui/npcdialog.cpp
index aa86ffeec..04e0aa9fb 100644
--- a/src/gui/npcdialog.cpp
+++ b/src/gui/npcdialog.cpp
@@ -37,12 +37,14 @@
 #include "gui/widgets/inttextfield.h"
 #include "gui/widgets/itemlinkhandler.h"
 #include "gui/widgets/layout.h"
-#include "gui/widgets/listbox.h"
+#include "gui/widgets/extendedlistbox.h"
 #include "gui/widgets/playerbox.h"
 #include "gui/widgets/scrollarea.h"
 #include "gui/widgets/textbox.h"
 #include "gui/widgets/textfield.h"
 
+#include "resources/resourcemanager.h"
+
 #include "net/net.h"
 #include "net/npchandler.h"
 
@@ -103,12 +105,16 @@ NpcDialog::NpcDialog(int npcId) :
     mScrollArea->setVerticalScrollPolicy(gcn::ScrollArea::SHOW_ALWAYS);
 
     // Setup listbox
-    mItemList = new ListBox(this);
+    mItemList = new ExtendedListBox(this);
     mItemList->setWrappingEnabled(true);
     mItemList->setActionEventId("ok");
     mItemList->addActionListener(this);
     mItemList->setDistributeMousePressed(false);
     mItemList->setFont(gui->getNpcFont());
+    if (gui->getNpcFont()->getHeight() < 20)
+        mItemList->setRowHeight(20);
+    else
+        mItemList->setRowHeight(gui->getNpcFont()->getHeight());
 
     setContentSize(260, 175);
 
@@ -200,6 +206,15 @@ NpcDialog::~NpcDialog()
     delete mListScrollArea;
     mListScrollArea = nullptr;
 
+    for (std::vector<Image *>::iterator it = mImages.begin(),
+         it_end = mImages.end(); it != it_end; ++ it)
+    {
+        if (*it)
+            (*it)->decRef();
+    }
+
+    mImages.clear();
+
     instances.remove(this);
 }
 
@@ -242,7 +257,6 @@ void NpcDialog::showCloseButton()
 
 void NpcDialog::action(const gcn::ActionEvent &event)
 {
-    logger->log(event.getId());
     if (event.getId() == "ok")
     {
         if (mActionState == NPC_ACTION_NEXT)
@@ -355,9 +369,21 @@ std::string NpcDialog::getElementAt(int i)
     return mItems[i];
 }
 
+const Image *NpcDialog::getImageAt(int i)
+{
+    return mImages[i];
+}
+
 void NpcDialog::choiceRequest()
 {
     mItems.clear();
+    for (std::vector<Image *>::iterator it = mImages.begin(),
+         it_end = mImages.end(); it != it_end; ++ it)
+    {
+        if (*it)
+            (*it)->decRef();
+    }
+    mImages.clear();
     mActionState = NPC_ACTION_INPUT;
     mInputState = NPC_INPUT_LIST;
     buildLayout();
@@ -366,15 +392,31 @@ void NpcDialog::choiceRequest()
 void NpcDialog::addChoice(const std::string &choice)
 {
     mItems.push_back(choice);
+    mImages.push_back(nullptr);
 }
 
 void NpcDialog::parseListItems(const std::string &itemString)
 {
     std::istringstream iss(itemString);
+    ResourceManager *resman = ResourceManager::getInstance();
 
     std::string tmp;
     while (getline(iss, tmp, ':'))
-        mItems.push_back(tmp);
+    {
+        const size_t pos = tmp.find("|");
+        if (pos == std::string::npos)
+        {
+            mItems.push_back(tmp);
+            mImages.push_back(nullptr);
+        }
+        else
+        {
+            mItems.push_back(tmp.substr(pos + 1));
+            Image *img = resman->getImage(paths.getStringValue("guiIcons")
+                + tmp.substr(0, pos) + ".png");
+            mImages.push_back(img);
+        }
+    }
 
     if (!mItems.empty())
     {
diff --git a/src/gui/npcdialog.h b/src/gui/npcdialog.h
index 75c55ae96..e3cc274c8 100644
--- a/src/gui/npcdialog.h
+++ b/src/gui/npcdialog.h
@@ -25,6 +25,7 @@
 
 #include "configlistener.h"
 
+#include "gui/widgets/extendedlistmodel.h"
 #include "gui/widgets/window.h"
 
 #include "utils/stringvector.h"
@@ -38,7 +39,7 @@ class Being;
 class BrowserBox;
 class ItemLinkHandler;
 class IntTextField;
-class ListBox;
+class ExtendedListBox;
 class PlayerBox;
 class TextBox;
 class TextField;
@@ -55,7 +56,7 @@ namespace gcn
  * \ingroup Interface
  */
 class NpcDialog : public Window, public gcn::ActionListener,
-                  public gcn::ListModel, public ConfigListener
+                  public ExtendedListModel, public ConfigListener
 {
     public:
         /**
@@ -119,6 +120,11 @@ class NpcDialog : public Window, public gcn::ActionListener,
         std::string getElementAt(int i);
 
         /**
+         * Returns the image of item number i of the choices list.
+         */
+        const Image *getImageAt(int i);
+
+        /**
          * Makes this dialog request a choice selection from the user.
          */
         void choiceRequest();
@@ -222,9 +228,10 @@ class NpcDialog : public Window, public gcn::ActionListener,
         std::string mNewText;
 
         // Used for choice input
-        ListBox *mItemList;
+        ExtendedListBox *mItemList;
         gcn::ScrollArea *mListScrollArea;
         StringVect mItems;
+        std::vector<Image *> mImages;
         ItemLinkHandler *mItemLinkHandler;
 
         // Used for string and integer input
diff --git a/src/gui/widgets/extendedlistbox.cpp b/src/gui/widgets/extendedlistbox.cpp
new file mode 100644
index 000000000..61f516d21
--- /dev/null
+++ b/src/gui/widgets/extendedlistbox.cpp
@@ -0,0 +1,101 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2012  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "gui/widgets/extendedlistbox.h"
+
+#include "client.h"
+#include "configuration.h"
+#include "keyevent.h"
+#include "keydata.h"
+
+#include "gui/palette.h"
+#include "gui/sdlinput.h"
+#include "gui/theme.h"
+
+#include "gui/widgets/extendedlistmodel.h"
+
+#include "resources/image.h"
+
+#include <guichan/focushandler.hpp>
+#include <guichan/font.hpp>
+#include <guichan/graphics.hpp>
+#include <guichan/key.hpp>
+#include <guichan/listmodel.hpp>
+
+#include "debug.h"
+
+ExtendedListBox::ExtendedListBox(gcn::ListModel *listModel):
+    ListBox(listModel),
+    mRowHeight(13)
+{
+}
+
+ExtendedListBox::~ExtendedListBox()
+{
+}
+
+void ExtendedListBox::draw(gcn::Graphics *graphics)
+{
+    if (!mListModel)
+        return;
+
+    ExtendedListModel *model = static_cast<ExtendedListModel*>(mListModel);
+    Graphics *g = static_cast<Graphics*>(graphics);
+
+    updateAlpha();
+    graphics->setFont(getFont());
+
+    const int height = getRowHeight();
+    int textPos = (height - getFont()->getHeight()) / 2;
+    if (textPos < 0)
+        textPos = 0;
+
+    // Draw filled rectangle around the selected list element
+    if (mSelected >= 0)
+    {
+        mHighlightColor.a = static_cast<int>(mAlpha * 255.0f);
+        graphics->setColor(mHighlightColor);
+        graphics->fillRectangle(gcn::Rectangle(0, height * mSelected,
+            getWidth(), height));
+    }
+
+    // Draw the list elements
+    graphics->setColor(getForegroundColor());
+    for (int i = 0, y = 0; i < mListModel->getNumberOfElements();
+         ++i, y += height)
+    {
+        const Image *image = model->getImageAt(i);
+        if (!image)
+        {
+            graphics->drawText(mListModel->getElementAt(i), 1, y + textPos);
+        }
+        else
+        {
+            g->drawImage(image, 1, y + (height - image->getHeight()) / 2);
+            graphics->drawText(mListModel->getElementAt(i),
+                image->getWidth() + 2, y + textPos);
+        }
+    }
+}
+
+unsigned int ExtendedListBox::getRowHeight() const
+{
+    return mRowHeight;
+}
diff --git a/src/gui/widgets/extendedlistbox.h b/src/gui/widgets/extendedlistbox.h
new file mode 100644
index 000000000..c6f3278fc
--- /dev/null
+++ b/src/gui/widgets/extendedlistbox.h
@@ -0,0 +1,50 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2012  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef EXTENDEDLISTBOX_H
+#define EXTENDEDLISTBOX_H
+
+#include "gui/widgets/listbox.h"
+
+class ExtendedListBox : public ListBox
+{
+    public:
+        /**
+         * Constructor.
+         */
+        ExtendedListBox(gcn::ListModel *listModel);
+
+        ~ExtendedListBox();
+
+        /**
+         * Draws the list box.
+         */
+        void draw(gcn::Graphics *graphics);
+
+        unsigned int getRowHeight() const;
+
+        void setRowHeight(unsigned int n)
+        { mRowHeight = n; }
+
+    protected:
+        unsigned int mRowHeight;
+};
+
+#endif
diff --git a/src/gui/widgets/extendedlistmodel.h b/src/gui/widgets/extendedlistmodel.h
new file mode 100644
index 000000000..48b75dc95
--- /dev/null
+++ b/src/gui/widgets/extendedlistmodel.h
@@ -0,0 +1,34 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2012  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef EXTENDEDLISTMODEL_H
+#define EXTENDEDLISTMODEL_H
+
+#include "resources/image.h"
+
+#include <guichan/listmodel.hpp>
+
+class ExtendedListModel : public gcn::ListModel
+{
+    public:
+        virtual const Image *getImageAt(int i) = 0;
+};
+
+#endif