In game help system files

4 files changed, 217 insertions, 1 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index aa345414..5b80a7d2 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -27,6 +27,8 @@ tmw_SOURCES = graphic/spriteset.cpp \
 	      gui/equipment.h \
 	      gui/gui.cpp \
 	      gui/gui.h \
+	      gui/help.cpp \
+	      gui/help.h \
 	      gui/inventory.cpp \
 	      gui/inventory.h \
 	      gui/itemcontainer.cpp \
diff --git a/src/game.cpp b/src/game.cpp
index 96a2ea85..3b4a4420 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -37,8 +37,10 @@
 #include "gui/ok_dialog.h"
 #include "gui/confirm_dialog.h"
 #include "gui/requesttrade.h"
+#include "gui/help.h"
 #include "net/protocol.h"
 #include "resources/mapreader.h"
+
 #include <SDL.h>
 #include <sstream>
 
@@ -226,7 +228,12 @@ void do_input()
         if (event.type == SDL_KEYDOWN)
         {
             SDL_keysym keysym = event.key.keysym;
-
+            
+            if (keysym.sym == SDLK_F1)
+            {
+                new HelpWindow();
+            }
+            
             if (keysym.sym == SDLK_RETURN)
             {
                 if (!chatWindow->isFocused())
diff --git a/src/gui/help.cpp b/src/gui/help.cpp
new file mode 100644
index 00000000..5b652f99
--- /dev/null
+++ b/src/gui/help.cpp
@@ -0,0 +1,131 @@
+/*
+ *  The Mana World
+ *  Copyright 2004 The Mana World Development Team
+ *
+ *  This file is part of The Mana World.
+ *
+ *  The Mana World 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.
+ *
+ *  The Mana World 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 The Mana World; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ *  $Id$
+ */
+
+#include "help.h"
+#include "../main.h"
+#include <fstream>
+
+HelpWindow::HelpWindow():
+    Window("Help")
+{
+    setContentSize(455, 350);
+    setResizeable(true);
+    
+    textBox = new TextBox();
+    textBox->setEditable(false);
+    scrollArea = new ScrollArea(textBox);
+    okButton = new Button("Close");
+
+    scrollArea->setDimension(gcn::Rectangle(
+                5, 5, 445, 335 - okButton->getHeight()));
+    okButton->setPosition(
+            450 - okButton->getWidth(),
+            345 - okButton->getHeight());
+
+    okButton->setEventId("close");
+    okButton->addActionListener(this);
+
+    add(scrollArea);
+    add(okButton);
+
+    //setLocationRelativeTo(getParent());
+    textBox->requestFocus();
+
+    std::string defHelp = "index";
+    loadHelp(defHelp);
+}
+
+HelpWindow::~HelpWindow()
+{
+    delete okButton;
+    delete textBox;
+    delete scrollArea;
+    links.clear();
+
+}
+
+void HelpWindow::action(const std::string& eventId)
+{
+    scheduleDelete();
+}
+
+void HelpWindow::mousePress(int mx, int my, int button)
+{
+    int x1 = scrollArea->getX() + 10;
+    int y1 = scrollArea->getY() + 15;
+    int x2 = x1 + scrollArea->getWidth() - 25;
+    int y2 = y1 + scrollArea->getHeight();
+    if (button == gcn::MouseInput::LEFT) {
+        if ((mx >= x1) && (my >= y1) && (mx <= x2) && (my <= y2))
+        {
+            for (unsigned int i = 0; i < links.size(); i++)
+            {
+                int y1 = links[i].yPos * textBox->getFont()->getHeight() + 5 -
+                    scrollArea->getVerticalScrollAmount();
+                int y2 = y1 + textBox->getFont()->getHeight();
+                if ((my > y1) && (my < y2)) {
+                    std::string tmp = links[i].file;
+                    loadHelp(tmp);
+                }
+            }
+        }
+    }
+}
+
+void HelpWindow::loadHelp(std::string& helpFile) {
+    helpFile = TMW_DATADIR "data/help/" + helpFile + ".txt";
+    
+    std::ifstream fin;
+    fin.open(helpFile.c_str());
+    if (fin.fail())
+    {
+        logger->log("Couldn't load help file: %s", helpFile.c_str());
+        return;
+    }
+    
+    links.clear();
+    textBox->setText("");
+
+    while (!fin.eof())
+    {
+        std::string line = "";
+        getline(fin, line);
+        
+        // Check for links
+        if (line.substr(0, 1) == "@")
+        {            
+            int idx = line.find("->");
+            HELP_LINK hlink;
+            hlink.yPos = textBox->getNumberOfRows() + 1;
+            hlink.file = line.substr(1, idx - 1);
+            links.push_back(hlink);
+            
+            line = "    " + line.erase(0, idx);
+        }
+        
+        textBox->addRow(line);
+    }
+    scrollArea->setVerticalScrollAmount(0);
+
+    fin.close();    
+}
diff --git a/src/gui/help.h b/src/gui/help.h
new file mode 100644
index 00000000..17821765
--- /dev/null
+++ b/src/gui/help.h
@@ -0,0 +1,76 @@
+/*
+ *  The Mana World
+ *  Copyright 2004 The Mana World Development Team
+ *
+ *  This file is part of The Mana World.
+ *
+ *  The Mana World 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.
+ *
+ *  The Mana World 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 The Mana World; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ *  $Id$
+ */
+
+#ifndef _TMW_HELP_H
+#define _TMW_HELP_H
+
+#include <guichan.hpp>
+#include "window.h"
+#include "scrollarea.h"
+#include "button.h"
+#include "textbox.h"
+
+struct HELP_LINK {
+    int yPos;
+    std::string file;
+};
+
+/**
+ * The help dialog.
+ */
+class HelpWindow : public Window, public gcn::ActionListener
+{
+    public:
+        /**
+         * Constructor.
+         */
+        HelpWindow();
+
+        /**
+         * Destructor.
+         */
+        ~HelpWindow();
+
+        /**
+         * Called when receiving actions from the widgets.
+         */
+        void action(const std::string& eventId);
+
+        /**
+         * Handles mouse click.
+         */
+        void mousePress(int mx, int my, int button);
+
+        /**
+         * Load help in the dialog.
+         */
+        void loadHelp(std::string& helpFile);
+
+    private:
+        std::vector<HELP_LINK> links;        
+        gcn::Button *okButton;
+        gcn::TextBox *textBox;
+        gcn::ScrollArea *scrollArea;
+};
+
+#endif