64150e75b5
Add sibling access functions to layers. git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3912 a95241bf-73f2-0310-859d-f6bbb57e9c96
138 lines
3.9 KiB
C++
138 lines
3.9 KiB
C++
//------------------------------------------------------------------------------
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// Copyright (c) 2001-2002, OpenBeOS
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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// File Name: Layer.h
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// Author: DarkWyrm <bpmagic@columbus.rr.com>
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// Description: Shadow BView class
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//
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//------------------------------------------------------------------------------
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#ifndef _LAYER_H_
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#define _LAYER_H_
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#include <GraphicsDefs.h>
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#include <Rect.h>
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#include <Region.h>
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#include <List.h>
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#include <String.h>
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#include <OS.h>
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#include <Locker.h>
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#include "LayerData.h"
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class ServerWindow;
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class PortLink;
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class RootLayer;
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class WinBorder;
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/*!
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\class Layer Layer.h
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\brief Shadow BView class
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Layers provide all sorts of functionality. They are the shadow class for BViews,
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but they also provide the base class for other classes which handle drawing to
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the frame buffer, like RootLayer and WinBorder.
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*/
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class Layer
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{
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public:
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Layer(BRect frame, const char *name, int32 resize,
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int32 flags,ServerWindow *win);
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virtual ~Layer(void);
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void AddChild(Layer *child, Layer *before=NULL, bool rebuild=true);
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void RemoveChild(Layer *child, bool rebuild=true);
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void RemoveSelf(bool rebuild=true);
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uint32 CountChildren(void);
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void MakeTopChild(void);
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void MakeBottomChild(void);
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Layer *FindLayer(int32 token);
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Layer *GetChildAt(BPoint pt, bool recursive=false);
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Layer *GetUpperSibling() { return _uppersibling; }
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Layer *GetLowerSibling() { return _lowersibling; }
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PortLink *GetLink(void);
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const char *GetName(void) { return (_name)?_name->String():NULL; }
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LayerData *GetLayerData(void) { return _layerdata; }
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void Invalidate(BRect rect);
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void Invalidate(BRegion region);
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void RebuildRegions(bool include_children=true);
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virtual void RequestDraw(const BRect &r);
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virtual void RequestDraw(void);
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bool IsDirty(void) const;
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void UpdateIfNeeded(bool force_update=false);
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void MarkModified(BRect rect);
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void UpdateRegions(bool force=false);
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void Show(void);
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void Hide(void);
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bool IsHidden(void);
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BRect Bounds(void);
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BRect Frame(void);
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virtual void MoveBy(float x, float y);
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void ResizeBy(float x, float y);
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BRect ConvertToParent(BRect rect);
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BRegion ConvertToParent(BRegion *reg);
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BRect ConvertFromParent(BRect rect);
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BRegion ConvertFromParent(BRegion *reg);
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BRegion ConvertToTop(BRegion *reg);
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BRect ConvertToTop(BRect rect);
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BRegion ConvertFromTop(BRegion *reg);
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BRect ConvertFromTop(BRect rect);
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void PrintToStream(void);
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void PrintNode(void);
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void PruneTree(void);
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protected:
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friend class RootLayer;
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friend class WinBorder;
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BRect _frame;
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Layer *_parent,
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*_uppersibling,
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*_lowersibling,
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*_topchild,
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*_bottomchild;
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BRegion *_visible,
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*_invalid,
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*_full;
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ServerWindow *_serverwin;
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BString *_name;
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int32 _view_token;
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int32 _level;
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int32 _flags;
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uint8 _hidecount;
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bool _is_dirty;
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bool _is_updating;
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bool _regions_invalid;
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LayerData *_layerdata;
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PortLink *_portlink;
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};
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#endif
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