Add a sticky button to the Window class

The Minimap window uses this so you can froce it to always be open. The
Minimap toggle button can be used to show or hide it temporarily, as
warping will reset it's visibility based on the sticky state and weather
the 'new' map has a minimap.

6 files changed, 93 insertions, 14 deletions

diff --git a/data/graphics/gui/sticky_button.png b/data/graphics/gui/sticky_button.png
new file mode 100644
index 00000000..d25fa81c
--- /dev/null
+++ b/data/graphics/gui/sticky_button.png
diff --git a/src/gui/minimap.cpp b/src/gui/minimap.cpp
index 75ee7e3d..bfd34390 100644
--- a/src/gui/minimap.cpp
+++ b/src/gui/minimap.cpp
@@ -45,6 +45,9 @@ Minimap::Minimap():
     setDefaultSize(5, 25, 100, 100);
     setResizable(true);
 
+    setStickyButton(true);
+    setSticky(false);
+
     loadWindowState();
 }
 
@@ -92,8 +95,7 @@ void Minimap::setMapImage(Image *img)
 
 void Minimap::toggle()
 {
-    mShow = ! isVisible();
-    setVisible(mShow);
+    setVisible(!isVisible(), true);
 }
 
 void Minimap::draw(gcn::Graphics *graphics)
diff --git a/src/gui/skin.cpp b/src/gui/skin.cpp
index b16bdfe6..0130ad71 100644
--- a/src/gui/skin.cpp
+++ b/src/gui/skin.cpp
@@ -47,14 +47,16 @@ class SkinConfigListener : public ConfigListener
     }
 };
 
-Skin::Skin(ImageRect skin, Image *close,
+Skin::Skin(ImageRect skin, Image *close, Image *stickyUp, Image *stickyDown,
            const std::string &filePath,
            const std::string &name):
     instances(0),
     mFilePath(filePath),
     mName(name),
     border(skin),
-    closeImage(close)
+    closeImage(close),
+    stickyImageUp(stickyUp),
+    stickyImageDown(stickyDown)
 {
 }
 
@@ -219,7 +221,14 @@ Skin *SkinLoader::load(const std::string &filename,
     // Hard-coded for now until we update the above code to look for window buttons.
     Image *closeImage = resman->getImage("graphics/gui/close_button.png");
 
-    Skin *skin = new Skin(border, closeImage, filename);
+    Image *sticky = resman->getImage("graphics/gui/sticky_button.png");
+    Image *stickyImageUp = sticky->getSubImage(0, 0, 15, 15);
+    Image *stickyImageDown = sticky->getSubImage(15, 0, 15, 15);
+
+    sticky->decRef();
+
+    Skin *skin = new Skin(border, closeImage, stickyImageUp, stickyImageDown,
+                          filename);
 
     mSkins[filename] = skin;
 
diff --git a/src/gui/skin.h b/src/gui/skin.h
index df905b05..30f7f360 100644
--- a/src/gui/skin.h
+++ b/src/gui/skin.h
@@ -34,7 +34,7 @@ class Image;
 class Skin
 {
     public:
-        Skin(ImageRect skin, Image *close,
+        Skin(ImageRect skin, Image *close, Image *stickyUp, Image *stickyDown,
              const std::string &filePath,
              const std::string &name = "");
 
@@ -63,6 +63,12 @@ class Skin
         Image *getCloseImage() const { return closeImage; }
 
         /**
+         * Returns the image used by a sticky button for this skin.
+         */
+        Image *getStickyImage(bool state) const
+        { return state ? stickyImageDown : stickyImageUp; }
+
+        /**
          * Returns the number of instances which use this skin.
          */
         int getNumberOfInstances() const { return instances; }
@@ -89,6 +95,8 @@ class Skin
         std::string mName;         /**< Name of the skin to use */
         ImageRect border;          /**< The window border and background */
         Image *closeImage;         /**< Close Button Image */
+        Image *stickyImageUp;      /**< Sticky Button Image */
+        Image *stickyImageDown;    /**< Sticky Button Image */
 };
 
 // Map containing all window skins
diff --git a/src/gui/window.cpp b/src/gui/window.cpp
index a916ba38..1f9dab5b 100644
--- a/src/gui/window.cpp
+++ b/src/gui/window.cpp
@@ -48,6 +48,7 @@ Window::Window(const std::string &caption, bool modal, Window *parent, const std
     mShowTitle(true),
     mModal(modal),
     mCloseButton(false),
+    mStickyButton(false),
     mSticky(false),
     mMinWinWidth(100),
     mMinWinHeight(40),
@@ -135,8 +136,18 @@ void Window::draw(gcn::Graphics *graphics)
     {
         g->drawImage(mSkin->getCloseImage(),
             getWidth() - mSkin->getCloseImage()->getWidth() - getPadding(),
-            getPadding()
-        );
+            getPadding());
+    }
+
+    // Draw Sticky Button
+    if (mStickyButton)
+    {
+        Image *button = mSkin->getStickyImage(mSticky);
+        int x = getWidth() - button->getWidth() - getPadding();
+        if (mCloseButton)
+            x -= mSkin->getCloseImage()->getWidth();
+
+        g->drawImage(button, x, getPadding());
     }
 
     drawChildren(graphics);
@@ -283,6 +294,11 @@ bool Window::isResizable() const
     return mGrip;
 }
 
+void Window::setStickyButton(bool flag)
+{
+    mStickyButton = flag;
+}
+
 void Window::setSticky(bool sticky)
 {
     mSticky = sticky;
@@ -290,7 +306,12 @@ void Window::setSticky(bool sticky)
 
 void Window::setVisible(bool visible)
 {
-    gcn::Window::setVisible(isSticky() || visible);
+    setVisible(visible, false);
+}
+
+void Window::setVisible(bool visible, bool forceSticky)
+{
+    gcn::Window::setVisible((!forceSticky && isSticky()) || visible);
 }
 
 void Window::scheduleDelete()
@@ -323,6 +344,22 @@ void Window::mousePressed(gcn::MouseEvent &event)
             }
         }
 
+        // Handle sticky button
+        if (mStickyButton)
+        {
+            Image *button = mSkin->getStickyImage(mSticky);
+            int rx = getWidth() - button->getWidth() - getPadding();
+            if (mCloseButton)
+                rx -= mSkin->getCloseImage()->getWidth();
+            gcn::Rectangle stickyButtonRect(rx, getPadding(),
+                                    button->getWidth(), button->getHeight());
+
+            if (stickyButtonRect.isPointInRect(x, y))
+            {
+                setSticky(!isSticky());
+            }
+        }
+
         // Handle window resizing
         mouseResize = getResizeHandles(event);
     }
@@ -467,7 +504,12 @@ void Window::loadWindowState()
 
     setPosition((int) config.getValue(name + "WinX", mDefaultX),
                 (int) config.getValue(name + "WinY", mDefaultY));
-    setVisible((bool) config.getValue(name + "Visible", false));
+
+    if (mCloseButton)
+        setVisible((bool) config.getValue(name + "Visible", false));
+
+    if (mStickyButton)
+        setSticky((bool) config.getValue(name + "Sticky", isSticky()));
 
     if (skinName.compare(mSkin->getFilePath()) != 0)
     {
@@ -504,7 +546,13 @@ void Window::saveWindowState()
     {
         config.setValue(mWindowName + "WinX", getX());
         config.setValue(mWindowName + "WinY", getY());
-        config.setValue(mWindowName + "Visible", isVisible());
+
+        if (mCloseButton)
+            config.setValue(mWindowName + "Visible", isVisible());
+
+        if (mStickyButton)
+            config.setValue(mWindowName + "Sticky", isSticky());
+
         config.setValue(mWindowName + "Skin", mSkin->getFilePath());
 
         if (mGrip)
diff --git a/src/gui/window.h b/src/gui/window.h
index c41a4221..18a64532 100644
--- a/src/gui/window.h
+++ b/src/gui/window.h
@@ -145,16 +145,21 @@ class Window : public gcn::Window, gcn::WidgetListener
         void setShowTitle(bool flag) { mShowTitle = flag; }
 
         /**
+         * Sets whether or not the window has a sticky button.
+         */
+        void setStickyButton(bool flag);
+
+        /**
           * Sets whether the window is sticky. A sticky window will not have
           * its visibility set to false on a general setVisible(false) call.
+          * Use this to set the default before you call loadWindowState().
           */
         void setSticky(bool sticky);
 
         /**
          * Returns whether the window is sticky.
          */
-        bool isSticky() const
-        { return mSticky; }
+        bool isSticky() const { return mSticky; }
 
         /**
          * Overloads window setVisible by Guichan to allow sticky window
@@ -163,6 +168,12 @@ class Window : public gcn::Window, gcn::WidgetListener
         void setVisible(bool visible);
 
         /**
+         * Overloads window setVisible by Guichan to allow sticky window
+         * handling, or not, if you force the sticky state.
+         */
+        void setVisible(bool visible, bool forceSticky);
+
+        /**
          * Returns the parent window.
          *
          * @return The parent window or <code>NULL</code> if there is none.
@@ -325,7 +336,8 @@ class Window : public gcn::Window, gcn::WidgetListener
         bool mShowTitle;              /**< Window has a title bar */
         bool mModal;                  /**< Window is modal */
         bool mCloseButton;            /**< Window has a close button */
-        bool mSticky;                 /**< Window resists minimization */
+        bool mStickyButton;           /**< Window has a sticky button */
+        bool mSticky;                 /**< Window resists hiding*/
         int mMinWinWidth;             /**< Minimum window width */
         int mMinWinHeight;            /**< Minimum window height */
         int mMaxWinWidth;             /**< Maximum window width */