124 lines
3.1 KiB
C++
124 lines
3.1 KiB
C++
/*
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* Copyright 2006-2009, Haiku, Inc. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _DRAGGER_H
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#define _DRAGGER_H
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#include <Locker.h>
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#include <List.h>
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#include <View.h>
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class BBitmap;
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class BMessage;
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class BPopUpMenu;
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class BShelf;
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namespace BPrivate {
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class replicant_data;
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class ShelfContainerViewFilter;
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};
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class BDragger : public BView {
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public:
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BDragger(BRect frame, BView* target,
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uint32 resizingMode = B_FOLLOW_NONE,
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uint32 flags = B_WILL_DRAW);
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BDragger(BView* target,
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uint32 flags = B_WILL_DRAW);
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BDragger(BMessage* data);
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virtual ~BDragger();
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static BArchivable* Instantiate(BMessage* data);
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virtual status_t Archive(BMessage* data,
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bool deep = true) const;
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virtual void AttachedToWindow();
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virtual void DetachedFromWindow();
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virtual void Draw(BRect updateRect);
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virtual void MouseDown(BPoint where);
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virtual void MouseUp(BPoint where);
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virtual void MouseMoved(BPoint where, uint32 transit,
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const BMessage* dragMessage);
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virtual void MessageReceived(BMessage* message);
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virtual void FrameMoved(BPoint newPosition);
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virtual void FrameResized(float newWidth, float newHeight);
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static status_t ShowAllDraggers();
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static status_t HideAllDraggers();
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static bool AreDraggersDrawn();
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virtual BHandler* ResolveSpecifier(BMessage* message,
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int32 index, BMessage* specifier,
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int32 form, const char* property);
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virtual status_t GetSupportedSuites(BMessage* data);
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virtual status_t Perform(perform_code code, void* data);
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virtual void ResizeToPreferred();
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virtual void GetPreferredSize(float* _width,
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float* _height);
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virtual void MakeFocus(bool focus = true);
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virtual void AllAttached();
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virtual void AllDetached();
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status_t SetPopUp(BPopUpMenu* contextMenu);
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BPopUpMenu* PopUp() const;
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bool InShelf() const;
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BView* Target() const;
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virtual BBitmap* DragBitmap(BPoint* offset, drawing_mode* mode);
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class Private;
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protected:
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bool IsVisibilityChanging() const;
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private:
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friend class BPrivate::ShelfContainerViewFilter;
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friend class BPrivate::replicant_data;
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friend class Private;
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friend class BShelf;
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virtual void _ReservedDragger2();
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virtual void _ReservedDragger3();
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virtual void _ReservedDragger4();
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static void _UpdateShowAllDraggers(bool visible);
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BDragger& operator=(const BDragger& other);
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void _InitData();
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void _AddToList();
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void _RemoveFromList();
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status_t _DetermineRelationship();
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status_t _SetViewToDrag(BView* target);
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void _SetShelf(BShelf* shelf);
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void _SetZombied(bool state);
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void _BuildDefaultPopUp();
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void _ShowPopUp(BView* target, BPoint where);
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enum relation {
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TARGET_UNKNOWN,
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TARGET_IS_CHILD,
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TARGET_IS_PARENT,
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TARGET_IS_SIBLING
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};
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BView* fTarget;
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relation fRelation;
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BShelf* fShelf;
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bool fTransition;
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bool fIsZombie;
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char fErrCount;
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bool fPopUpIsCustom;
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BBitmap* fBitmap;
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BPopUpMenu* fPopUp;
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uint32 _reserved[3];
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};
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#endif /* _DRAGGER_H */
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