From a2c06346e1830d888a72ccdb2e224686319af014 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Wed, 14 Aug 2013 22:10:31 +0300
Subject: add support for icon in tabs.

---
 src/gui/widgets/tab.cpp        | 51 ++++++++++++++++++++++++++++++++++--------
 src/gui/widgets/tab.h          |  3 +++
 src/gui/widgets/tabbedarea.cpp |  9 ++++++++
 src/gui/widgets/tabbedarea.h   |  3 +++
 4 files changed, 57 insertions(+), 9 deletions(-)

(limited to 'src')

diff --git a/src/gui/widgets/tab.cpp b/src/gui/widgets/tab.cpp
index 813ae0ef8..bce4ae11f 100644
--- a/src/gui/widgets/tab.cpp
+++ b/src/gui/widgets/tab.cpp
@@ -75,6 +75,7 @@ Tab::Tab(const Widget2 *const widget) :
     mPlayerFlashOutlineColor(&getThemeColor(Theme::TAB_PLAYER_FLASH_OUTLINE)),
     mFlash(0),
     mVertexes(new ImageCollection),
+    mImage(nullptr),
     mMode(0),
     mRedraw(true),
     mHasMouse(false)
@@ -98,6 +99,11 @@ Tab::~Tab()
     delete mLabel;
     mLabel = nullptr;
 
+    if (mImage)
+    {
+        mImage->decRef();
+        mImage = nullptr;
+    }
     delete mVertexes;
     mVertexes = nullptr;
 }
@@ -210,26 +216,37 @@ void Tab::draw(gcn::Graphics *graphics)
 
     updateAlpha();
 
+    Graphics *const g = static_cast<Graphics*>(graphics);
+
     // draw tab
     if (openGLMode != 2)
     {
         const ImageRect &rect = skin->getBorder();
-        if (mRedraw || mode != mMode
-            || static_cast<Graphics*>(graphics)->getRedraw())
+        if (mRedraw || mode != mMode || g->getRedraw())
         {
             mMode = mode;
             mRedraw = false;
             mVertexes->clear();
-            static_cast<Graphics*>(graphics)->calcWindow(mVertexes, 0, 0,
+            g->calcWindow(mVertexes, 0, 0,
                 mDimension.width, mDimension.height, rect);
         }
 
-        static_cast<Graphics*>(graphics)->drawTile(mVertexes);
+        g->drawTile(mVertexes);
     }
     else
     {
-        static_cast<Graphics*>(graphics)->drawImageRect(
-            0, 0, mDimension.width, mDimension.height, skin->getBorder());
+        g->drawImageRect(0, 0,
+            mDimension.width, mDimension.height, skin->getBorder());
+    }
+
+    if (mImage)
+    {
+        const Skin *const skin1 = tabImg[TAB_STANDARD];
+        if (skin1)
+        {
+            const int padding = skin1->getPadding();
+            g->drawImage(mImage, padding, padding);
+        }
     }
 
     drawChildren(graphics);
@@ -262,10 +279,18 @@ void Tab::adjustSize()
     const Skin *const skin = tabImg[TAB_STANDARD];
     if (!skin)
         return;
-    const int padding = skin->getPadding();
+    const int pad2 = skin->getPadding() * 2;
 
-    setSize(mLabel->getWidth() + 2 * padding,
-            mLabel->getHeight() + 2 * padding);
+    if (mImage)
+    {
+        const SDL_Rect &rect = mImage->mBounds;
+        setSize(rect.w + pad2, rect.h + pad2);
+    }
+    else
+    {
+        setSize(mLabel->getWidth() + pad2,
+                mLabel->getHeight() + pad2);
+    }
 
     if (mTabbedArea)
         mTabbedArea->adjustTabPositions();
@@ -288,6 +313,14 @@ void Tab::setCaption(const std::string &caption)
     adjustSize();
 }
 
+void Tab::setImage(Image *const image)
+{
+    if (mImage)
+        mImage->decRef();
+    mImage = image;
+    adjustSize();
+}
+
 const std::string &Tab::getCaption() const
 {
     return mLabel->getCaption();
diff --git a/src/gui/widgets/tab.h b/src/gui/widgets/tab.h
index cbc50a2ef..690db9072 100644
--- a/src/gui/widgets/tab.h
+++ b/src/gui/widgets/tab.h
@@ -145,6 +145,8 @@ class Tab : public gcn::BasicContainer,
 
         void mouseExited(gcn::MouseEvent &mouseEvent) override;
 
+        void setImage(Image *const image);
+
     protected:
         friend class TabbedArea;
 
@@ -176,6 +178,7 @@ class Tab : public gcn::BasicContainer,
         const gcn::Color *mPlayerFlashOutlineColor;
         int mFlash;
         ImageCollection *mVertexes;
+        Image *mImage;
         int mMode;
         bool mRedraw;
 
diff --git a/src/gui/widgets/tabbedarea.cpp b/src/gui/widgets/tabbedarea.cpp
index 88d12764a..5a8b7265f 100644
--- a/src/gui/widgets/tabbedarea.cpp
+++ b/src/gui/widgets/tabbedarea.cpp
@@ -212,6 +212,15 @@ void TabbedArea::addTab(const std::string &caption, gcn::Widget *const widget)
     addTab(tab, widget);
 }
 
+void TabbedArea::addTab(Image *const image, gcn::Widget *const widget)
+{
+    Tab *const tab = new Tab(this);
+    tab->setImage(image);
+    mTabsToDelete.push_back(tab);
+
+    addTab(tab, widget);
+}
+
 bool TabbedArea::isTabSelected(const unsigned int index) const
 {
     if (index >= mTabs.size())
diff --git a/src/gui/widgets/tabbedarea.h b/src/gui/widgets/tabbedarea.h
index ca2857709..5a97de6a6 100644
--- a/src/gui/widgets/tabbedarea.h
+++ b/src/gui/widgets/tabbedarea.h
@@ -32,6 +32,7 @@
 
 #include "gui/widgets/button.h"
 
+class Image;
 class Tab;
 
 /**
@@ -95,6 +96,8 @@ class TabbedArea final : public Widget2,
 
         void addTab(const std::string &caption, gcn::Widget *const widget);
 
+        void addTab(Image *const image, gcn::Widget *const widget);
+
         bool isTabSelected(const unsigned int index) const A_WARN_UNUSED;
 
         bool isTabSelected(Tab *const tab) const A_WARN_UNUSED;
-- 
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