From 780c9da133b956785cb9c0d9c5e3e67f8209e15c Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sun, 26 Aug 2012 14:28:58 +0300
Subject: Remove some unused code from guichan.

---
 src/guichan/gui.cpp                |  29 ---
 src/guichan/widgets/listbox.cpp    |  64 +------
 src/guichan/widgets/scrollarea.cpp | 350 ++-----------------------------------
 src/guichan/widgets/tabbedarea.cpp |  51 +-----
 4 files changed, 12 insertions(+), 482 deletions(-)

diff --git a/src/guichan/gui.cpp b/src/guichan/gui.cpp
index 68cb83190..005b3505b 100644
--- a/src/guichan/gui.cpp
+++ b/src/guichan/gui.cpp
@@ -132,35 +132,6 @@ namespace gcn
 
     void Gui::draw()
     {
-        if (!mTop)
-            throw GCN_EXCEPTION("No top widget set");
-        if (!mGraphics)
-            throw GCN_EXCEPTION("No graphics set");
-
-        if (!mTop->isVisible())
-            return;
-
-        mGraphics->_beginDraw();
-
-        // If top has a frame,
-        // draw it before drawing top
-        if (mTop->getFrameSize() > 0)
-        {
-            Rectangle rec = mTop->getDimension();
-            rec.x -= mTop->getFrameSize();
-            rec.y -= mTop->getFrameSize();
-            rec.width += 2 * mTop->getFrameSize();
-            rec.height += 2 * mTop->getFrameSize();
-            mGraphics->pushClipArea(rec);
-            mTop->drawFrame(mGraphics);
-            mGraphics->popClipArea();
-        }
-
-        mGraphics->pushClipArea(mTop->getDimension());
-        mTop->draw(mGraphics);
-        mGraphics->popClipArea();
-
-        mGraphics->_endDraw();
     }
 
     void Gui::focusNone()
diff --git a/src/guichan/widgets/listbox.cpp b/src/guichan/widgets/listbox.cpp
index ac71852e1..3f6565785 100644
--- a/src/guichan/widgets/listbox.cpp
+++ b/src/guichan/widgets/listbox.cpp
@@ -84,70 +84,8 @@ namespace gcn
         addKeyListener(this);
     }
 
-    void ListBox::draw(Graphics* graphics)
+    void ListBox::draw(Graphics* graphics A_UNUSED)
     {
-        graphics->setColor(getBackgroundColor());
-        graphics->fillRectangle(Rectangle(0, 0, getWidth(), getHeight()));
-
-        if (!mListModel)
-            return;
-
-        graphics->setColor(getForegroundColor());
-        graphics->setFont(getFont());
-
-        // Check the current clip area so we don't draw unnecessary items
-        // that are not visible.
-        const ClipRectangle currentClipArea = graphics->getCurrentClipArea();
-        int rowHeight = getRowHeight();
-
-        // Calculate the number of rows to draw by checking the clip area.
-        // The addition of two makes covers a partial visible row at the top
-        // and a partial visible row at the bottom.
-        int numberOfRows = currentClipArea.height / rowHeight + 2;
-
-        if (numberOfRows > mListModel->getNumberOfElements())
-            numberOfRows = mListModel->getNumberOfElements();
-
-        // Calculate which row to start drawing. If the list box 
-        // has a negative y coordinate value we should check if
-        // we should drop rows in the begining of the list as
-        // they might not be visible. A negative y value is very
-        // common if the list box for instance resides in a scroll
-        // area and the user has scrolled the list box downwards.
-        int startRow;
-        if (getY() < 0)
-            startRow = -1 * (getY() / rowHeight);
-        else
-            startRow = 0;
-
-        int i;
-        // The y coordinate where we start to draw the text is
-        // simply the y coordinate multiplied with the font height.
-        int y = rowHeight * startRow;
-        for (i = startRow; i < startRow + numberOfRows; ++i)
-        {
-            if (i == mSelected)
-            {
-                graphics->setColor(getSelectionColor());
-                graphics->fillRectangle(Rectangle(0, y,
-                    getWidth(), rowHeight));
-                graphics->setColor(getForegroundColor());
-            }
-
-            // If the row height is greater than the font height we
-            // draw the text with a center vertical alignment.
-            if (rowHeight > getFont()->getHeight())
-            {
-                graphics->drawText(mListModel->getElementAt(i), 1,
-                    y + rowHeight / 2 - getFont()->getHeight() / 2);
-            }
-            else
-            {
-                graphics->drawText(mListModel->getElementAt(i), 1, y);
-            }
-
-            y += rowHeight;
-        }
     }
 
     void ListBox::logic()
diff --git a/src/guichan/widgets/scrollarea.cpp b/src/guichan/widgets/scrollarea.cpp
index c0734a926..9668f9778 100644
--- a/src/guichan/widgets/scrollarea.cpp
+++ b/src/guichan/widgets/scrollarea.cpp
@@ -407,374 +407,44 @@ namespace gcn
         mouseEvent.consume();
     }
 
-    void ScrollArea::draw(Graphics *graphics)
+    void ScrollArea::draw(Graphics *graphics A_UNUSED)
     {
-        drawBackground(graphics);
-
-        if (mVBarVisible)
-        {
-            drawUpButton(graphics);
-            drawDownButton(graphics);
-            drawVBar(graphics);
-            drawVMarker(graphics);
-        }
-
-        if (mHBarVisible)
-        {
-            drawLeftButton(graphics);
-            drawRightButton(graphics);
-            drawHBar(graphics);
-            drawHMarker(graphics);
-        }
-
-        if (mHBarVisible && mVBarVisible)
-        {
-            graphics->setColor(getBaseColor());
-            graphics->fillRectangle(Rectangle(getWidth() - mScrollbarWidth,
-                getHeight() - mScrollbarWidth,
-                mScrollbarWidth, mScrollbarWidth));
-        }
-
-        drawChildren(graphics);
     }
 
-    void ScrollArea::drawHBar(Graphics* graphics)
+    void ScrollArea::drawHBar(Graphics* graphics A_UNUSED)
     {
-        Rectangle dim = getHorizontalBarDimension();
-
-        graphics->pushClipArea(dim);
-
-        int alpha = getBaseColor().a;
-        Color trackColor = getBaseColor() - 0x101010;
-        trackColor.a = alpha;
-        Color shadowColor = getBaseColor() - 0x303030;
-        shadowColor.a = alpha;
-
-        graphics->setColor(trackColor);
-        graphics->fillRectangle(Rectangle(0, 0, dim.width, dim.height));
-
-        graphics->setColor(shadowColor);
-        graphics->drawLine(0, 0, dim.width, 0);
-
-        graphics->popClipArea();
     }
 
-    void ScrollArea::drawVBar(Graphics* graphics)
+    void ScrollArea::drawVBar(Graphics* graphics A_UNUSED)
     {
-        Rectangle dim = getVerticalBarDimension();
-
-        graphics->pushClipArea(dim);
-
-        int alpha = getBaseColor().a;
-        Color trackColor = getBaseColor() - 0x101010;
-        trackColor.a = alpha;
-        Color shadowColor = getBaseColor() - 0x303030;
-        shadowColor.a = alpha;
-
-        graphics->setColor(trackColor);
-        graphics->fillRectangle(Rectangle(0, 0, dim.width, dim.height));
-
-        graphics->setColor(shadowColor);
-        graphics->drawLine(0, 0, 0, dim.height);
-
-        graphics->popClipArea();
     }
 
-    void ScrollArea::drawBackground(Graphics *graphics)
+    void ScrollArea::drawBackground(Graphics *graphics A_UNUSED)
     {
-        if (isOpaque())
-        {
-            graphics->setColor(getBackgroundColor());
-            graphics->fillRectangle(getChildrenArea());
-        }
     }
 
-    void ScrollArea::drawUpButton(Graphics* graphics)
+    void ScrollArea::drawUpButton(Graphics* graphics A_UNUSED)
     {
-        Rectangle dim = getUpButtonDimension();
-        graphics->pushClipArea(dim);
-
-        Color highlightColor;
-        Color shadowColor;
-        Color faceColor;
-        int offset;
-        int alpha = getBaseColor().a;
-
-        if (mUpButtonPressed)
-        {
-            faceColor = getBaseColor() - 0x303030;
-            faceColor.a = alpha;
-            highlightColor = faceColor - 0x303030;
-            highlightColor.a = alpha;
-            shadowColor = getBaseColor();
-            shadowColor.a = alpha;
-
-            offset = 1;
-        }
-        else
-        {
-            faceColor = getBaseColor();
-            faceColor.a = alpha;
-            highlightColor = faceColor + 0x303030;
-            highlightColor.a = alpha;
-            shadowColor = faceColor - 0x303030;
-            shadowColor.a = alpha;
-
-            offset = 0;
-        }
-
-        graphics->setColor(faceColor);
-        graphics->fillRectangle(Rectangle(0, 0, dim.width, dim.height));
-
-        graphics->setColor(highlightColor);
-        graphics->drawLine(0, 0, dim.width - 1, 0);
-        graphics->drawLine(0, 1, 0, dim.height - 1);
-
-        graphics->setColor(shadowColor);
-        graphics->drawLine(dim.width - 1, 0, dim.width - 1, dim.height - 1);
-        graphics->drawLine(1, dim.height - 1, dim.width - 1, dim.height - 1);
-
-        graphics->setColor(getForegroundColor());
-
-        const int w = dim.height / 2;
-        const int h = w / 2 + 2;
-        for (int i = 0; i < w / 2; ++i)
-        {
-            graphics->drawLine(w - i + offset, i + h + offset,
-                w + i + offset, i + h + offset);
-        }
-
-        graphics->popClipArea();
     }
 
-    void ScrollArea::drawDownButton(Graphics* graphics)
+    void ScrollArea::drawDownButton(Graphics* graphics A_UNUSED)
     {
-        Rectangle dim = getDownButtonDimension();
-        graphics->pushClipArea(dim);
-
-        Color highlightColor;
-        Color shadowColor;
-        Color faceColor;
-        int offset;
-        int alpha = getBaseColor().a;
-
-        if (mDownButtonPressed)
-        {
-            faceColor = getBaseColor() - 0x303030;
-            faceColor.a = alpha;
-            highlightColor = faceColor - 0x303030;
-            highlightColor.a = alpha;
-            shadowColor = getBaseColor();
-            shadowColor.a = alpha;
-
-            offset = 1;
-        }
-        else
-        {
-            faceColor = getBaseColor();
-            faceColor.a = alpha;
-            highlightColor = faceColor + 0x303030;
-            highlightColor.a = alpha;
-            shadowColor = faceColor - 0x303030;
-            shadowColor.a = alpha;
-
-            offset = 0;
-        }
-
-        graphics->setColor(faceColor);
-        graphics->fillRectangle(Rectangle(0, 0, dim.width, dim.height));
-
-        graphics->setColor(highlightColor);
-        graphics->drawLine(0, 0, dim.width - 1, 0);
-        graphics->drawLine(0, 1, 0, dim.height - 1);
-
-        graphics->setColor(shadowColor);
-        graphics->drawLine(dim.width - 1, 0, dim.width - 1, dim.height - 1);
-        graphics->drawLine(1, dim.height - 1, dim.width - 1, dim.height - 1);
-
-        graphics->setColor(getForegroundColor());
-
-        const int w = dim.height / 2;
-        const int h = w + 1;
-        for (int i = 0; i < w / 2; ++i)
-        {
-            graphics->drawLine(w - i + offset, -i + h + offset,
-                w + i + offset, -i + h + offset);
-        }
-
-        graphics->popClipArea();
     }
 
-    void ScrollArea::drawLeftButton(Graphics* graphics)
+    void ScrollArea::drawLeftButton(Graphics* graphics A_UNUSED)
     {
-        Rectangle dim = getLeftButtonDimension();
-        graphics->pushClipArea(dim);
-
-        Color highlightColor;
-        Color shadowColor;
-        Color faceColor;
-        int offset;
-        int alpha = getBaseColor().a;
-
-        if (mLeftButtonPressed)
-        {
-            faceColor = getBaseColor() - 0x303030;
-            faceColor.a = alpha;
-            highlightColor = faceColor - 0x303030;
-            highlightColor.a = alpha;
-            shadowColor = getBaseColor();
-            shadowColor.a = alpha;
-
-            offset = 1;
-        }
-        else
-        {
-            faceColor = getBaseColor();
-            faceColor.a = alpha;
-            highlightColor = faceColor + 0x303030;
-            highlightColor.a = alpha;
-            shadowColor = faceColor - 0x303030;
-            shadowColor.a = alpha;
-
-            offset = 0;
-        }
-
-        graphics->setColor(faceColor);
-        graphics->fillRectangle(Rectangle(0, 0, dim.width, dim.height));
-
-        graphics->setColor(highlightColor);
-        graphics->drawLine(0, 0, dim.width - 1, 0);
-        graphics->drawLine(0, 1, 0, dim.height - 1);
-
-        graphics->setColor(shadowColor);
-        graphics->drawLine(dim.width - 1, 0, dim.width - 1, dim.height - 1);
-        graphics->drawLine(1, dim.height - 1, dim.width - 1, dim.height - 1);
-
-        graphics->setColor(getForegroundColor());
-
-        const int w = dim.width / 2;
-        const int h = w - 2;
-        for (int i = 0; i < w / 2; ++i)
-        {
-            graphics->drawLine(i + h + offset, w - i + offset,
-                i + h + offset, w + i + offset);
-        }
-
-        graphics->popClipArea();
     }
 
-    void ScrollArea::drawRightButton(Graphics* graphics)
+    void ScrollArea::drawRightButton(Graphics* graphics A_UNUSED)
     {
-        Rectangle dim = getRightButtonDimension();
-        graphics->pushClipArea(dim);
-
-        Color highlightColor;
-        Color shadowColor;
-        Color faceColor;
-        int offset;
-        int alpha = getBaseColor().a;
-
-        if (mRightButtonPressed)
-        {
-            faceColor = getBaseColor() - 0x303030;
-            faceColor.a = alpha;
-            highlightColor = faceColor - 0x303030;
-            highlightColor.a = alpha;
-            shadowColor = getBaseColor();
-            shadowColor.a = alpha;
-
-            offset = 1;
-        }
-        else
-        {
-            faceColor = getBaseColor();
-            faceColor.a = alpha;
-            highlightColor = faceColor + 0x303030;
-            highlightColor.a = alpha;
-            shadowColor = faceColor - 0x303030;
-            shadowColor.a = alpha;
-
-            offset = 0;
-        }
-
-        graphics->setColor(faceColor);
-        graphics->fillRectangle(Rectangle(0, 0, dim.width, dim.height));
-
-        graphics->setColor(highlightColor);
-        graphics->drawLine(0, 0, dim.width - 1, 0);
-        graphics->drawLine(0, 1, 0, dim.height - 1);
-
-        graphics->setColor(shadowColor);
-        graphics->drawLine(dim.width - 1, 0, dim.width - 1, dim.height - 1);
-        graphics->drawLine(1, dim.height - 1, dim.width - 1, dim.height - 1);
-
-        graphics->setColor(getForegroundColor());
-
-        const int w = dim.width / 2;
-        const int h = w + 1;
-        for (int i = 0; i < w / 2; ++i)
-        {
-            graphics->drawLine(-i + h + offset, w - i + offset,
-                -i + h + offset, w + i + offset);
-        }
-
-        graphics->popClipArea();
     }
 
-    void ScrollArea::drawVMarker(Graphics* graphics)
+    void ScrollArea::drawVMarker(Graphics* graphics A_UNUSED)
     {
-        Rectangle dim = getVerticalMarkerDimension();
-        graphics->pushClipArea(dim);
-
-        int alpha = getBaseColor().a;
-        Color faceColor = getBaseColor();
-        faceColor.a = alpha;
-        Color highlightColor = faceColor + 0x303030;
-        highlightColor.a = alpha;
-        Color shadowColor = faceColor - 0x303030;
-        shadowColor.a = alpha;
-
-        graphics->setColor(faceColor);
-        graphics->fillRectangle(Rectangle(1, 1,
-            dim.width - 1, dim.height - 1));
-
-        graphics->setColor(highlightColor);
-        graphics->drawLine(0, 0, dim.width - 1, 0);
-        graphics->drawLine(0, 1, 0, dim.height - 1);
-
-        graphics->setColor(shadowColor);
-        graphics->drawLine(1, dim.height - 1, dim.width - 1, dim.height - 1);
-        graphics->drawLine(dim.width - 1, 0, dim.width - 1, dim.height - 1);
-
-        graphics->popClipArea();
     }
 
-    void ScrollArea::drawHMarker(Graphics* graphics)
+    void ScrollArea::drawHMarker(Graphics* graphics A_UNUSED)
     {
-        Rectangle dim = getHorizontalMarkerDimension();
-        graphics->pushClipArea(dim);
-
-        int alpha = getBaseColor().a;
-        Color faceColor = getBaseColor();
-        faceColor.a = alpha;
-        Color highlightColor = faceColor + 0x303030;
-        highlightColor.a = alpha;
-        Color shadowColor = faceColor - 0x303030;
-        shadowColor.a = alpha;
-
-        graphics->setColor(faceColor);
-        graphics->fillRectangle(Rectangle(1, 1,
-            dim.width - 1, dim.height - 1));
-
-        graphics->setColor(highlightColor);
-        graphics->drawLine(0, 0, dim.width - 1, 0);
-        graphics->drawLine(0, 1, 0, dim.height - 1);
-
-        graphics->setColor(shadowColor);
-        graphics->drawLine(1, dim.height - 1, dim.width - 1, dim.height - 1);
-        graphics->drawLine(dim.width - 1, 0, dim.width - 1, dim.height - 1);
-
-        graphics->popClipArea();
     }
 
     void ScrollArea::logic()
diff --git a/src/guichan/widgets/tabbedarea.cpp b/src/guichan/widgets/tabbedarea.cpp
index 141bbf96e..6f4c4a2b9 100644
--- a/src/guichan/widgets/tabbedarea.cpp
+++ b/src/guichan/widgets/tabbedarea.cpp
@@ -185,57 +185,8 @@ namespace gcn
         return mOpaque;
     }
 
-    void TabbedArea::draw(Graphics *graphics)
+    void TabbedArea::draw(Graphics *graphics A_UNUSED)
     {
-        const Color &faceColor = getBaseColor();
-        const int alpha = getBaseColor().a;
-        Color highlightColor = faceColor + 0x303030;
-        highlightColor.a = alpha;
-        Color shadowColor = faceColor - 0x303030;
-        shadowColor.a = alpha;
-
-        // Draw a border.
-        graphics->setColor(highlightColor);
-        graphics->drawLine(0,
-                           mTabContainer->getHeight(),
-                           0,
-                           getHeight() - 2);
-        graphics->setColor(shadowColor);
-        graphics->drawLine(getWidth() - 1,
-                           mTabContainer->getHeight() + 1,
-                           getWidth() - 1,
-                           getHeight() - 1);
-        graphics->drawLine(1,
-                           getHeight() - 1,
-                           getWidth() - 1,
-                           getHeight() - 1);
-
-        if (isOpaque())
-        {
-            graphics->setColor(getBaseColor());
-            graphics->fillRectangle(Rectangle(1, 1,
-                                              getWidth() - 2,
-                                              getHeight() - 2));
-        }
-
-        // Draw a line underneath the tabs.
-        graphics->setColor(highlightColor);
-        graphics->drawLine(1, mTabContainer->getHeight(),
-            getWidth() - 1, mTabContainer->getHeight());
-
-        // If a tab is selected, remove the line right underneath
-        // the selected tab.
-        if (mSelectedTab)
-        {
-            graphics->setColor(getBaseColor());
-            graphics->drawLine(mSelectedTab->getX() + 1,
-                mTabContainer->getHeight(),
-                mSelectedTab->getX() + mSelectedTab->getWidth() - 2,
-                mTabContainer->getHeight());
-
-        }
-
-        drawChildren(graphics);
     }
 
     void TabbedArea::adjustSize()
-- 
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