From 297c521b6f4d43bad62fe443d930c78b9f4ec267 Mon Sep 17 00:00:00 2001
From: alberth <alberth@openttd.org>
Date: Sun, 26 Jul 2009 13:19:23 +0000
Subject: [PATCH] (svn r16961) -Codechange: Moving some methods up in the class
 hierarchy to avoid code duplication.

---
 src/widget.cpp    | 27 ++++++++++-----------------
 src/widget_type.h |  6 ++----
 2 files changed, 12 insertions(+), 21 deletions(-)

diff --git a/src/widget.cpp b/src/widget.cpp
index 7a3371c2b3..4ece7f3a55 100644
--- a/src/widget.cpp
+++ b/src/widget.cpp
@@ -973,7 +973,7 @@ void NWidgetBase::Invalidate(const Window *w) const
 }
 
 /**
- * @fn NWidgetCore *GetWidgetFromPos(int x, int y)
+ * @fn NWidgetCore *NWidgetBase::GetWidgetFromPos(int x, int y)
  * Retrieve a widget by its position.
  * @param x Horizontal position relative to the left edge of the window.
  * @param y Vertical position relative to the top edge of the window.
@@ -981,11 +981,14 @@ void NWidgetBase::Invalidate(const Window *w) const
  */
 
 /**
- * @fn NWidgetBase *GetWidgetOfType(WidgetType tp)
  * Retrieve a widget by its type.
  * @param tp Widget type to search for.
  * @return Returns the first widget of the specified type, or \c NULL if no widget can be found.
  */
+NWidgetBase *NWidgetBase::GetWidgetOfType(WidgetType tp)
+{
+	return (this->type == tp) ? this : NULL;
+}
 
 /**
  * Constructor for resizable nested widgets.
@@ -1109,6 +1112,11 @@ void NWidgetCore::StoreWidgets(Widget *widgets, int length, bool left_moving, bo
 	w->tooltips = this->tool_tip;
 }
 
+NWidgetCore *NWidgetCore::GetWidgetFromPos(int x, int y)
+{
+	return (IsInsideBS(x, this->pos_x, this->current_x) && IsInsideBS(y, this->pos_y, this->current_y)) ? this : NULL;
+}
+
 /**
  * @fn Scrollbar *NWidgetCore::FindScrollbar(Window *w, bool allow_next = true)
  * Find the scrollbar of the widget through the Window::nested_array.
@@ -1200,7 +1208,6 @@ static inline uint ComputeOffset(uint space, uint max_space)
 	return (max_space - space) / 2;
 }
 
-
 /**
  * Widgets stacked on top of each other.
  * @param tp Kind of stacking, must be either #NWID_SELECTION or #NWID_LAYERED.
@@ -1615,11 +1622,6 @@ NWidgetCore *NWidgetSpacer::GetWidgetFromPos(int x, int y)
 	return NULL;
 }
 
-NWidgetBase *NWidgetSpacer::GetWidgetOfType(WidgetType tp)
-{
-	return (this->type == tp) ? this : NULL;
-}
-
 /**
  * Constructor parent nested widgets.
  * @param tp     Type of parent widget.
@@ -2152,10 +2154,6 @@ void NWidgetLeaf::Invalidate(const Window *w) const
 	NWidgetBase::Invalidate(w);
 }
 
-NWidgetCore *NWidgetLeaf::GetWidgetFromPos(int x, int y)
-{
-	return (IsInsideBS(x, this->pos_x, this->current_x) && IsInsideBS(y, this->pos_y, this->current_y)) ? this : NULL;
-}
 
 Scrollbar *NWidgetLeaf::FindScrollbar(Window *w, bool allow_next)
 {
@@ -2169,11 +2167,6 @@ Scrollbar *NWidgetLeaf::FindScrollbar(Window *w, bool allow_next)
 	return NULL;
 }
 
-NWidgetBase *NWidgetLeaf::GetWidgetOfType(WidgetType tp)
-{
-	return (this->type == tp) ? this : NULL;
-}
-
 /**
  * Intialize nested widget tree and convert to widget array.
  * @param nwid Nested widget tree.
diff --git a/src/widget_type.h b/src/widget_type.h
index 20c89e6e6c..58c9c580be 100644
--- a/src/widget_type.h
+++ b/src/widget_type.h
@@ -182,7 +182,7 @@ public:
 	virtual void StoreWidgets(Widget *widgets, int length, bool left_moving, bool top_moving, bool rtl) = 0;
 
 	virtual NWidgetCore *GetWidgetFromPos(int x, int y) = 0;
-	virtual NWidgetBase *GetWidgetOfType(WidgetType tp) = 0;
+	virtual NWidgetBase *GetWidgetOfType(WidgetType tp);
 
 	/**
 	 * Set additional space (padding) around the widget.
@@ -295,6 +295,7 @@ public:
 	inline bool IsDisabled();
 
 	void StoreWidgets(Widget *widgets, int length, bool left_moving, bool top_moving, bool rtl);
+	/* virtual */ NWidgetCore *GetWidgetFromPos(int x, int y);
 
 	virtual Scrollbar *FindScrollbar(Window *w, bool allow_next = true) = 0;
 
@@ -444,7 +445,6 @@ public:
 	/* virtual */ void Draw(const Window *w);
 	/* virtual */ void Invalidate(const Window *w) const;
 	/* virtual */ NWidgetCore *GetWidgetFromPos(int x, int y);
-	/* virtual */ NWidgetBase *GetWidgetOfType(WidgetType tp);
 };
 
 /** Nested widget with a child.
@@ -480,8 +480,6 @@ public:
 	/* virtual */ void SetupSmallestSize(Window *w, bool init_array);
 	/* virtual */ void Draw(const Window *w);
 	/* virtual */ void Invalidate(const Window *w) const;
-	/* virtual */ NWidgetCore *GetWidgetFromPos(int x, int y);
-	/* virtual */ NWidgetBase *GetWidgetOfType(WidgetType tp);
 	/* virtual */ Scrollbar *FindScrollbar(Window *w, bool allow_next = true);
 
 	static void InvalidateDimensionCache();