Made constants static, coding style cleanup.

src/kits/interface/Dragger.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2001-2009, Haiku.
+ * Copyright 2001-2012, Haiku.
  * Distributed under the terms of the MIT License.
  *
  * Authors:
@@ -8,6 +8,7 @@
  *		Alexandre Deckner ([email protected])
  */
 
+
 //!	BDragger represents a replicant "handle".
 
 
@@ -45,10 +46,10 @@ using BPrivate::gSystemCatalog;
 #define B_TRANSLATE(str) \
 	gSystemCatalog.GetString(B_TRANSLATE_MARK(str), "Dragger")
 
-const uint32 kMsgDragStarted = 'Drgs';
 
-const unsigned char
-kHandBitmap[] = {
+static const uint32 kMsgDragStarted = 'Drgs';
+
+static const unsigned char kHandBitmap[] = {
 	255, 255,   0,   0,   0, 255, 255, 255,
 	255, 255,   0, 131, 131,   0, 255, 255,
 	  0,   0,   0,   0, 131, 131,   0,   0,
@@ -112,8 +113,9 @@ DraggerManager* DraggerManager::sDefaultInstance = NULL;
 }	// unnamed namespace
 
 
-BDragger::BDragger(BRect bounds, BView *target, uint32 rmask, uint32 flags)
-	: BView(bounds, "_dragger_", rmask, flags),
+BDragger::BDragger(BRect bounds, BView* target, uint32 resizeMask, uint32 flags)
+	:
+	BView(bounds, "_dragger_", resizeMask, flags),
 	fTarget(target),
 	fRelation(TARGET_UNKNOWN),
 	fShelf(NULL),
@@ -128,7 +130,8 @@ BDragger::BDragger(BRect bounds, BView *target, uint32 rmask, uint32 flags)
 
 
 BDragger::BDragger(BMessage* data)
-	: BView(data),
+	:
+	BView(data),
 	fTarget(NULL),
 	fRelation(TARGET_UNKNOWN),
 	fShelf(NULL),
@@ -179,15 +182,16 @@ BDragger::Archive(BMessage *data, bool deep) const
 
 	BMessage popupMsg;
 
-	if (fPopUp && fPopUpIsCustom) {
+	if (fPopUp != NULL && fPopUpIsCustom) {
 		bool windowLocked = fPopUp->Window()->Lock();
 
 		ret = fPopUp->Archive(&popupMsg, deep);
 
-		if (windowLocked)
+		if (windowLocked) {
 			fPopUp->Window()->Unlock();
 				// TODO: Investigate, in some (rare) occasions the menu window
 				//		 has already been unlocked
+		}
 
 		if (ret == B_OK)
 			ret = data->AddMessage("_popup", &popupMsg);
@@ -229,8 +233,8 @@ BDragger::Draw(BRect update)
 {
 	BRect bounds(Bounds());
 
-	if (AreDraggersDrawn() && (!fShelf || fShelf->AllowsDragging())) {
-		if (Parent() && (Parent()->Flags() & B_DRAW_ON_CHILDREN) == 0) {
+	if (AreDraggersDrawn() && (fShelf == NULL || fShelf->AllowsDragging())) {
+		if (Parent() != NULL && (Parent()->Flags() & B_DRAW_ON_CHILDREN) == 0) {
 			uint32 flags = Parent()->Flags();
 			Parent()->SetFlags(flags | B_DRAW_ON_CHILDREN);
 			Parent()->Draw(Frame() & ConvertToParent(update));
@@ -248,7 +252,7 @@ BDragger::Draw(BRect update)
 			// TODO: should draw it differently ?
 		}
 	} else if (IsVisibilityChanging()) {
-		if (Parent()) {
+		if (Parent() != NULL) {
 			if ((Parent()->Flags() & B_DRAW_ON_CHILDREN) == 0) {
 				uint32 flags = Parent()->Flags();
 				Parent()->SetFlags(flags | B_DRAW_ON_CHILDREN);
@@ -266,13 +270,13 @@ BDragger::Draw(BRect update)
 void
 BDragger::MouseDown(BPoint where)
 {
-	if (!fTarget || !AreDraggersDrawn())
+	if (fTarget == NULL || !AreDraggersDrawn())
 		return;
 
 	uint32 buttons;
 	Window()->CurrentMessage()->FindInt32("buttons", (int32*)&buttons);
 
-	if (fShelf != NULL && (buttons & B_SECONDARY_MOUSE_BUTTON))
+	if (fShelf != NULL && (buttons & B_SECONDARY_MOUSE_BUTTON) != 0)
 		_ShowPopUp(fTarget, where);
 }
 
@@ -316,7 +320,8 @@ BDragger::MessageReceived(BMessage *msg)
 				Flush();
 				fTransition = false;
 			} else {
-				if ((fShelf && (fShelf->AllowsDragging() && AreDraggersDrawn()))
+				if ((fShelf != NULL && fShelf->AllowsDragging()
+						&& AreDraggersDrawn())
 					|| AreDraggersDrawn()) {
 					Show();
 				} else
@@ -332,14 +337,12 @@ BDragger::MessageReceived(BMessage *msg)
 					fTarget->Archive(&archive);
 				else if (fRelation == TARGET_IS_CHILD)
 					Archive(&archive);
-				else {
-					if (fTarget->Archive(&archive)) {
+				else if (fTarget->Archive(&archive)) {
 					BMessage archivedSelf(B_ARCHIVED_OBJECT);
 
 					if (Archive(&archivedSelf))
 						archive.AddMessage("__widget", &archivedSelf);
 				}
-				}
 
 				archive.AddInt32("be:actions", B_TRASH_TARGET);
 				BPoint offset;
@@ -348,9 +351,8 @@ BDragger::MessageReceived(BMessage *msg)
 				if (bitmap != NULL)
 					DragMessage(&archive, bitmap, mode, offset, this);
 				else {
-					DragMessage(&archive,
-						ConvertFromScreen(fTarget->ConvertToScreen(fTarget->Bounds())),
-						this);
+					DragMessage(&archive, ConvertFromScreen(
+						fTarget->ConvertToScreen(fTarget->Bounds())), this);
 				}
 			}
 			break;
@@ -663,7 +665,7 @@ BDragger::_RemoveFromList()
 status_t
 BDragger::_DetermineRelationship()
 {
-	if (fTarget) {
+	if (fTarget != NULL) {
 		if (fTarget == Parent())
 			fRelation = TARGET_IS_PARENT;
 		else if (fTarget == ChildAt(0))
@@ -682,10 +684,11 @@ BDragger::_DetermineRelationship()
 	if (fRelation == TARGET_IS_PARENT) {
 		BRect bounds(Frame());
 		BRect parentBounds(Parent()->Bounds());
-		if (!parentBounds.Contains(bounds))
+		if (!parentBounds.Contains(bounds)) {
 			MoveTo(parentBounds.right - bounds.Width(),
 				parentBounds.bottom - bounds.Height());
 		}
+	}
 
 	return B_OK;
 }
@@ -699,7 +702,7 @@ BDragger::_SetViewToDrag(BView *target)
 
 	fTarget = target;
 
-	if (Window())
+	if (Window() != NULL)
 		_DetermineRelationship();
 
 	return B_OK;
@@ -734,7 +737,7 @@ BDragger::_BuildDefaultPopUp()
 	BMessage* msg = new BMessage(B_ABOUT_REQUESTED);
 
 	const char* name = fTarget->Name();
-	if (name)
+	if (name != NULL)
 		msg->AddString("target", name);
 
 	BString about(B_TRANSLATE("About %app" B_UTF8_ELLIPSIS));
@@ -752,7 +755,7 @@ BDragger::_ShowPopUp(BView *target, BPoint where)
 {
 	BPoint point = ConvertToScreen(where);
 
-	if (!fPopUp && fTarget)
+	if (fPopUp == NULL && fTarget != NULL)
 		_BuildDefaultPopUp();
 
 	fPopUp->SetTargetForItems(fTarget);