From 97d623045ea62fe549d37b2a23b53592de95b9ba Mon Sep 17 00:00:00 2001
From: Ingo Weinhold <ingo_weinhold@gmx.de>
Date: Fri, 26 Nov 2010 20:29:10 +0000
Subject: [PATCH] ResizeBorderState: Set a suitable mouse cursor.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39654 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/servers/app/DefaultWindowBehaviour.cpp | 55 ++++++++++++++++++++++
 src/servers/app/DefaultWindowBehaviour.h   |  7 +++
 2 files changed, 62 insertions(+)

diff --git a/src/servers/app/DefaultWindowBehaviour.cpp b/src/servers/app/DefaultWindowBehaviour.cpp
index 60ab63dbf9..77c6042d34 100644
--- a/src/servers/app/DefaultWindowBehaviour.cpp
+++ b/src/servers/app/DefaultWindowBehaviour.cpp
@@ -430,6 +430,16 @@ struct DefaultWindowBehaviour::ResizeBorderState : MouseTrackingState {
 	{
 	}
 
+	virtual void EnterState(State* previousState)
+	{
+		fBehavior._SetResizeCursor(fHorizontal, fVertical);
+	}
+
+	virtual void ExitState(State* nextState)
+	{
+		fBehavior._ResetResizeCursor();
+	}
+
 	virtual void MouseMovedAction(BPoint& delta, bigtime_t now)
 	{
 		if ((fWindow->Flags() & B_NOT_RESIZABLE) != 0) {
@@ -1108,3 +1118,48 @@ DefaultWindowBehaviour::_NextState(State* state)
 
 	delete oldState;
 }
+
+
+ServerCursor*
+DefaultWindowBehaviour::_ResizeCursorFor(int8 horizontal, int8 vertical)
+{
+	// get the cursor ID corresponding to the border/corner
+	BCursorID cursorID = B_CURSOR_ID_SYSTEM_DEFAULT;
+
+	if (horizontal == LEFT) {
+		if (vertical == TOP)
+			cursorID = B_CURSOR_ID_RESIZE_NORTH_WEST;
+		else if (vertical == BOTTOM)
+			cursorID = B_CURSOR_ID_RESIZE_SOUTH_WEST;
+		else
+			cursorID = B_CURSOR_ID_RESIZE_WEST;
+	} else if (horizontal == RIGHT) {
+		if (vertical == TOP)
+			cursorID = B_CURSOR_ID_RESIZE_NORTH_EAST;
+		else if (vertical == BOTTOM)
+			cursorID = B_CURSOR_ID_RESIZE_SOUTH_EAST;
+		else
+			cursorID = B_CURSOR_ID_RESIZE_EAST;
+	} else {
+		if (vertical == TOP)
+			cursorID = B_CURSOR_ID_RESIZE_NORTH;
+		else if (vertical == BOTTOM)
+			cursorID = B_CURSOR_ID_RESIZE_SOUTH;
+	}
+
+	return fDesktop->GetCursorManager().GetCursor(cursorID);
+}
+
+
+void
+DefaultWindowBehaviour::_SetResizeCursor(int8 horizontal, int8 vertical)
+{
+	fDesktop->SetManagementCursor(_ResizeCursorFor(horizontal, vertical));
+}
+
+
+void
+DefaultWindowBehaviour::_ResetResizeCursor()
+{
+	fDesktop->SetManagementCursor(NULL);
+}
diff --git a/src/servers/app/DefaultWindowBehaviour.h b/src/servers/app/DefaultWindowBehaviour.h
index 65a0757cf3..c770e30753 100644
--- a/src/servers/app/DefaultWindowBehaviour.h
+++ b/src/servers/app/DefaultWindowBehaviour.h
@@ -17,6 +17,7 @@
 
 #include "WindowBehaviour.h"
 
+#include "ServerCursor.h"
 #include "Decorator.h"
 
 
@@ -88,6 +89,12 @@ private:
 			void				_SetBorderHighlights(int8 horizontal,
 									int8 vertical, bool active);
 
+			ServerCursor*		_ResizeCursorFor(int8 horizontal,
+									int8 vertical);
+			void				_SetResizeCursor(int8 horizontal,
+									int8 vertical);
+			void				_ResetResizeCursor();
+
 			void				_NextState(State* state);
 
 protected: