Moved basic widgets into the gui/widgets directory

In an attempt to make the GUI code a little more structured, basic
widgets are now put in gui/widgets. Many includes were also cleaned up.

1 files changed, 243 insertions, 0 deletions

diff --git a/src/gui/widgets/textfield.cpp b/src/gui/widgets/textfield.cpp
new file mode 100644
index 00000000..d830f8d4
--- /dev/null
+++ b/src/gui/widgets/textfield.cpp
@@ -0,0 +1,243 @@
+/*
+ *  The Mana World
+ *  Copyright (C) 2004  The Mana World Development Team
+ *
+ *  This file is part of The Mana World.
+ *
+ *  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, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "gui/widgets/textfield.h"
+
+#include "gui/palette.h"
+#include "gui/sdlinput.h"
+
+#include "configuration.h"
+#include "graphics.h"
+
+#include "resources/image.h"
+#include "resources/resourcemanager.h"
+
+#include "utils/dtor.h"
+
+#include <guichan/font.hpp>
+
+#undef DELETE //Win32 compatibility hack
+
+int TextField::instances = 0;
+float TextField::mAlpha = 1.0;
+ImageRect TextField::skin;
+
+TextField::TextField(const std::string &text):
+    gcn::TextField(text),
+    mNumeric(false),
+    mListener(0)
+{
+    setFrameSize(2);
+
+    if (instances == 0)
+    {
+        // Load the skin
+        ResourceManager *resman = ResourceManager::getInstance();
+        Image *textbox = resman->getImage("graphics/gui/deepbox.png");
+        int gridx[4] = {0, 3, 28, 31};
+        int gridy[4] = {0, 3, 28, 31};
+        int a = 0, x, y;
+
+        for (y = 0; y < 3; y++)
+        {
+            for (x = 0; x < 3; x++)
+            {
+                skin.grid[a] = textbox->getSubImage(
+                        gridx[x], gridy[y],
+                        gridx[x + 1] - gridx[x] + 1,
+                        gridy[y + 1] - gridy[y] + 1);
+                skin.grid[a]->setAlpha(config.getValue("guialpha", 0.8));
+                a++;
+            }
+        }
+
+        textbox->decRef();
+    }
+
+    instances++;
+}
+
+TextField::~TextField()
+{
+    instances--;
+
+    if (instances == 0)
+        for_each(skin.grid, skin.grid + 9, dtor<Image*>());
+}
+
+void TextField::draw(gcn::Graphics *graphics)
+{
+    if (isFocused())
+    {
+        drawCaret(graphics,
+                  getFont()->getWidth(mText.substr(0, mCaretPosition)) -
+                  mXScroll);
+    }
+
+    graphics->setColor(guiPalette->getColor(Palette::TEXT));
+    graphics->setFont(getFont());
+    graphics->drawText(mText, 1 - mXScroll, 1);
+
+    if (config.getValue("guialpha", 0.8) != mAlpha)
+    {
+        mAlpha = config.getValue("guialpha", 0.8);
+        for (int a = 0; a < 9; a++)
+            skin.grid[a]->setAlpha(mAlpha);
+    }
+}
+
+void TextField::drawFrame(gcn::Graphics *graphics)
+{
+    int w, h, bs;
+    bs = getFrameSize();
+    w = getWidth() + bs * 2;
+    h = getHeight() + bs * 2;
+
+    static_cast<Graphics*>(graphics)->drawImageRect(0, 0, w, h, skin);
+}
+
+void TextField::setNumeric(bool numeric)
+{
+    mNumeric = numeric;
+    if (!numeric)
+        return;
+
+    const char *text = mText.c_str();
+    for (const char *textPtr = text; *textPtr; ++textPtr)
+    {
+        if (*textPtr < '0' || *textPtr > '9')
+        {
+            setText(mText.substr(0, textPtr - text));
+            return;
+        }
+    }
+}
+
+int TextField::getValue() const
+{
+    if (!mNumeric)
+        return 0;
+
+    int value = atoi(mText.c_str());
+    if (value < mMinimum)
+        return mMinimum;
+
+    if (value > mMaximum)
+        return mMaximum;
+
+    return value;
+}
+
+void TextField::keyPressed(gcn::KeyEvent &keyEvent)
+{
+    int val = keyEvent.getKey().getValue();
+
+    if (val >= 32)
+    {
+        int l;
+        if (val < 128) l = 1;            // 0xxxxxxx
+        else if (val < 0x800) l = 2;     // 110xxxxx 10xxxxxx
+        else if (val < 0x10000) l = 3;   // 1110xxxx 10xxxxxx 10xxxxxx
+        else l = 4;                      // 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
+
+        char buf[4];
+        for (int i = 0; i < l; ++i)
+        {
+            buf[i] = val >> (6 * (l - i - 1));
+            if (i > 0) buf[i] = (buf[i] & 63) | 128;
+        }
+
+        if (l > 1) buf[0] |= 255 << (8 - l);
+
+        mText.insert(mCaretPosition, std::string(buf, buf + l));
+        mCaretPosition += l;
+    }
+
+    /* In UTF-8, 10xxxxxx is only used for inner parts of characters. So skip
+       them when processing key presses. */
+
+    switch (val)
+    {
+        case Key::LEFT:
+        {
+            while (mCaretPosition > 0)
+            {
+                --mCaretPosition;
+                if ((mText[mCaretPosition] & 192) != 128)
+                    break;
+            }
+        } break;
+
+        case Key::RIGHT:
+        {
+            unsigned sz = mText.size();
+            while (mCaretPosition < sz)
+            {
+                ++mCaretPosition;
+                if (mCaretPosition == sz ||
+                    (mText[mCaretPosition] & 192) != 128)
+                    break;
+            }
+        } break;
+
+        case Key::DELETE:
+        {
+            unsigned sz = mText.size();
+            while (mCaretPosition < sz)
+            {
+                --sz;
+                mText.erase(mCaretPosition, 1);
+                if (mCaretPosition == sz ||
+                    (mText[mCaretPosition] & 192) != 128)
+                    break;
+            }
+        } break;
+
+        case Key::BACKSPACE:
+        {
+            while (mCaretPosition > 0)
+            {
+                --mCaretPosition;
+                int v = mText[mCaretPosition];
+                mText.erase(mCaretPosition, 1);
+                if ((v & 192) != 128) break;
+            }
+        } break;
+
+        case Key::ENTER:
+            distributeActionEvent();
+            break;
+
+        case Key::HOME:
+            mCaretPosition = 0;
+            break;
+
+        case Key::END:
+            mCaretPosition = mText.size();
+            break;
+
+        case Key::TAB:
+            return;
+    }
+
+    keyEvent.consume();
+    fixScroll();
+}