some minor code cleaning.

src/FbWinFrame.cc

@@ -1717,3 +1717,10 @@ void FbWinFrame::displaySize(unsigned int width, unsigned int height) const {
                             width, height - titlebarHeight() - handleHeight());
     m_screen.showGeometry(i, j);
 }
+
+bool FbWinFrame::insideTitlebar(Window win) const {
+    return 
+        gripLeft().window() != win &&
+        gripRight().window() != win &&
+        window().window() != win;
+}

src/FbWinFrame.hh

@@ -236,6 +236,9 @@ public:
 
     const FbTk::Subject &frameExtentSig() const { return m_frame_extent_sig; }
     FbTk::Subject &frameExtentSig() { return m_frame_extent_sig; }
+    /// @returns true if the window is inside titlebar, 
+    /// assuming window is an event window that was generated for this frame.
+    bool insideTitlebar(Window win) const;
 
     //@}
 

src/RectangleUtil.hh

@@ -0,0 +1,30 @@
+#ifndef RECTANGLEUTIL_HH
+#define RECTANGLEUTIL_HH
+
+namespace RectangleUtil {
+
+
+/*
+ * Determines if a point is inside a rectangle-like objects border.
+ * @param rect A rectangle-like object that has accessors for x, y, width, and
+ *        height.
+ * @param x
+ * @param y 
+ * @param border_width The size of the border.
+ * @returns true if point is inside the rectangle-like object.
+*/
+template <typename RectangleLike>
+bool insideBorder(const RectangleLike& rect,
+                  int x, int y,
+                  int border_width) {
+    return
+        x >= rect.x() + border_width &&
+        x < rect.x() + (int)rect.width() + border_width &&
+        y >= rect.y() + border_width &&
+        y < rect.y() + (int)rect.height() + border_width;
+}
+
+} // namespace RectangleUtil
+
+
+#endif // RECTANGLEUTIL_HH

src/Window.cc

@@ -41,6 +41,7 @@
 #include "FocusControl.hh"
 #include "IconButton.hh"
 #include "ScreenPlacement.hh"
+#include "RectangleUtil.hh"
 
 #include "FbTk/StringUtil.hh"
 #include "FbTk/Compose.hh"
@@ -2362,10 +2363,9 @@ void FluxboxWindow::buttonPressEvent(XButtonEvent &be) {
     m_last_button_x = be.x_root;
     m_last_button_y = be.y_root;
 
-    bool onTitlebar = frame().gripLeft().window() != be.window &&
-        frame().gripRight().window() != be.window &&
-        frame().handle().window() != be.window &&
-        frame().window() != be.window;
+    bool onTitlebar =
+        frame().insideTitlebar( be.window ) &&
+        frame().handle().window() != be.window;
 
     if (onTitlebar && be.button == 1)
         raise();
@@ -2422,41 +2422,31 @@ void FluxboxWindow::motionNotifyEvent(XMotionEvent &me) {
         me.window = frame().window().window();
     }
 
-    bool inside_titlebar = frame().gripLeft().window() != me.window &&
-        frame().gripRight().window() != me.window &&
-        frame().window() != me.window;
+    bool inside_titlebar = frame().insideTitlebar( me.window );
 
     if (Fluxbox::instance()->getIgnoreBorder() && m_attaching_tab == 0
         && !(isMoving() || isResizing())) {
+
+        using RectangleUtil::insideBorder;
+
         int borderw = frame().window().borderWidth();
         //!! TODO(tabs): the below test ought to be in FbWinFrame
         // if mouse is currently on the window border, ignore it
-        if ((me.x_root < (frame().x() + borderw) ||
-            me.y_root < (frame().y() + borderw) ||
-            me.x_root >= (frame().x() + (int)frame().width() + borderw) ||
-            me.y_root >= (frame().y() + (int)frame().height() + borderw))
-            && (!frame().externalTabMode() ||
-                (me.x_root < (frame().tabcontainer().x() + borderw) ||
-                 me.y_root < (frame().tabcontainer().y() + borderw) ||
-                 me.x_root >= (frame().tabcontainer().x() +
-                         (int)frame().tabcontainer().width() + borderw) ||
-                 me.y_root >= (frame().tabcontainer().y() +
-                         (int)frame().tabcontainer().height() + borderw)))
-            // or if mouse was on border when it was last clicked
-            || (m_last_button_x < (frame().x() + borderw) ||
-                m_last_button_y < (frame().y() + borderw) ||
-                m_last_button_x >= (frame().x() +
-                         (int)frame().width() + borderw) ||
-                m_last_button_y >= (frame().y() +
-                         (int)frame().height() + borderw))
-            && (!frame().externalTabMode() ||
-                (m_last_button_x < (frame().tabcontainer().x() + borderw) ||
-                 m_last_button_y < (frame().tabcontainer().y() + borderw) ||
-                 m_last_button_x >= (frame().tabcontainer().x() +
-                         (int)frame().tabcontainer().width() + borderw) ||
-                 m_last_button_y >= (frame().tabcontainer().y() +
-                         (int)frame().tabcontainer().height() + borderw))))
+        if ( ! insideBorder(frame(),
+                            me.x_root, me.y_root, borderw)  &&
+             ( !frame().externalTabMode() ||
+               ! insideBorder(frame().tabcontainer(),
+                              me.x_root, me.y_root, borderw) )
+
+             || // or if mouse was on border when it was last clicked
+
+             ! insideBorder(frame(),
+                            m_last_button_x, m_last_button_y, borderw) &&
+             ( ! frame().externalTabMode() ||
+               ! insideBorder(frame().tabcontainer(),
+                              m_last_button_x, m_last_button_y, borderw ) ) ) {
             return;
+        }
     }
 
     if (moving || ((me.state & Button1Mask) && functions.move &&