Initial commit.

This code based on mana client http://www.gitorious.org/mana/mana
and my private repository.

1 files changed, 227 insertions, 0 deletions

diff --git a/src/gui/widgets/button.cpp b/src/gui/widgets/button.cpp
new file mode 100644
index 000000000..3445928a1
--- /dev/null
+++ b/src/gui/widgets/button.cpp
@@ -0,0 +1,227 @@
+/*
+ *  The Mana Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *
+ *  This file is part of The Mana 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/button.h"
+
+#include "client.h"
+#include "configuration.h"
+#include "graphics.h"
+#include "log.h"
+
+#include "gui/palette.h"
+#include "gui/theme.h"
+
+#include "resources/image.h"
+
+#include "utils/dtor.h"
+
+#include <guichan/exception.hpp>
+#include <guichan/font.hpp>
+
+int Button::mInstances = 0;
+float Button::mAlpha = 1.0;
+
+enum
+{
+    BUTTON_STANDARD = 0, // 0
+    BUTTON_HIGHLIGHTED,  // 1
+    BUTTON_PRESSED,      // 2
+    BUTTON_DISABLED,     // 3
+    BUTTON_COUNT         // 4 - Must be last.
+};
+
+struct ButtonData
+{
+    char const *file;
+    int gridX;
+    int gridY;
+};
+
+static ButtonData const data[BUTTON_COUNT] =
+{
+    { "button.png", 0, 0 },
+    { "buttonhi.png", 9, 4 },
+    { "buttonpress.png", 16, 19 },
+    { "button_disabled.png", 25, 23 }
+};
+
+ImageRect Button::button[BUTTON_COUNT];
+
+Button::Button():
+    mDescription(""), mClickCount(0)
+{
+    init();
+}
+
+Button::Button(const std::string &caption, const std::string &actionEventId,
+               gcn::ActionListener *listener):
+    gcn::Button(caption),
+    mDescription(""), mClickCount(0)
+{
+    init();
+    setActionEventId(actionEventId);
+
+    if (listener)
+        addActionListener(listener);
+}
+
+void Button::init()
+{
+    setFrameSize(0);
+
+    if (mInstances == 0)
+    {
+        // Load the skin
+        Image *btn[BUTTON_COUNT];
+
+        int a, x, y, mode;
+
+        for (mode = 0; mode < BUTTON_COUNT; mode++)
+        {
+            btn[mode] = Theme::getImageFromTheme(data[mode].file);
+            if (!btn[mode])
+                continue;
+
+            a = 0;
+            for (y = 0; y < 3; y++)
+            {
+                for (x = 0; x < 3; x++)
+                {
+                    button[mode].grid[a] = btn[mode]->getSubImage(
+                            data[x].gridX, data[y].gridY,
+                            data[x + 1].gridX - data[x].gridX + 1,
+                            data[y + 1].gridY - data[y].gridY + 1);
+                    a++;
+                }
+            }
+            if (btn[mode])
+                btn[mode]->decRef();
+        }
+        updateAlpha();
+    }
+    mInstances++;
+}
+
+Button::~Button()
+{
+    mInstances--;
+
+    if (mInstances == 0)
+    {
+        for (int mode = 0; mode < BUTTON_COUNT; mode++)
+        {
+            if (button[mode].grid)
+            {
+                for_each(button[mode].grid,
+                         button[mode].grid + 9, dtor<Image*>());
+            }
+        }
+    }
+}
+
+void Button::updateAlpha()
+{
+    float alpha = std::max(Client::getGuiAlpha(),
+        Theme::instance()->getMinimumOpacity());
+
+    if (mAlpha != alpha)
+    {
+        mAlpha = alpha;
+        for (int a = 0; a < 9; a++)
+        {
+            if (button[BUTTON_DISABLED].grid[a])
+                button[BUTTON_DISABLED].grid[a]->setAlpha(mAlpha);
+            if (button[BUTTON_PRESSED].grid[a])
+                button[BUTTON_PRESSED].grid[a]->setAlpha(mAlpha);
+            if (button[BUTTON_HIGHLIGHTED].grid[a])
+                button[BUTTON_HIGHLIGHTED].grid[a]->setAlpha(mAlpha);
+            if (button[BUTTON_STANDARD].grid[a])
+                button[BUTTON_STANDARD].grid[a]->setAlpha(mAlpha);
+        }
+    }
+}
+
+void Button::draw(gcn::Graphics *graphics)
+{
+    int mode;
+
+    if (!isEnabled())
+        mode = BUTTON_DISABLED;
+    else if (isPressed())
+        mode = BUTTON_PRESSED;
+    else if (mHasMouse || isFocused())
+        mode = BUTTON_HIGHLIGHTED;
+    else
+        mode = BUTTON_STANDARD;
+
+    updateAlpha();
+
+    static_cast<Graphics*>(graphics)->
+        drawImageRect(0, 0, getWidth(), getHeight(), button[mode]);
+
+    if (mode == BUTTON_DISABLED)
+        graphics->setColor(Theme::getThemeColor(Theme::BUTTON_DISABLED));
+    else
+        graphics->setColor(Theme::getThemeColor(Theme::BUTTON));
+
+    int textX;
+    int textY = getHeight() / 2 - getFont()->getHeight() / 2;
+
+    switch (getAlignment())
+    {
+        default:
+        case gcn::Graphics::LEFT:
+            textX = 4;
+            break;
+        case gcn::Graphics::CENTER:
+            textX = getWidth() / 2;
+            break;
+        case gcn::Graphics::RIGHT:
+            textX = getWidth() - 4;
+            break;
+//            throw GCN_EXCEPTION("Button::draw. Unknown alignment.");
+    }
+
+    graphics->setFont(getFont());
+
+    if (isPressed())
+        graphics->drawText(getCaption(), textX + 1, textY + 1, getAlignment());
+    else
+        graphics->drawText(getCaption(), textX, textY, getAlignment());
+}
+
+void Button::mouseReleased(gcn::MouseEvent& mouseEvent)
+{
+    if (mouseEvent.getButton() == gcn::MouseEvent::LEFT
+        && mMousePressed && mHasMouse)
+    {
+        mMousePressed = false;
+        mClickCount = mouseEvent.getClickCount();
+        distributeActionEvent();
+        mouseEvent.consume();
+    }
+    else if (mouseEvent.getButton() == gcn::MouseEvent::LEFT)
+    {
+        mMousePressed = false;
+        mClickCount = 0;
+        mouseEvent.consume();
+    }
+}