edb4c8244c
Add a struct to kits/interface/Layout.cpp that uses BView::Private to provide RAII mechanics for the removal of views (calling BView::Private::RemoveSelf()). Use the new struct to simplify BLayout::AddItem().
162 lines
3.2 KiB
C++
162 lines
3.2 KiB
C++
/*
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* Copyright 2003-2008, Haiku.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* Adrian Oanca <adioanca@cotty.iren.ro>
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* Axel Dörfler, axeld@pinc-software.de
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*/
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#ifndef VIEW_PRIVATE_H
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#define VIEW_PRIVATE_H
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#include <Font.h>
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#include <InterfaceDefs.h>
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#include <Point.h>
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#include <Rect.h>
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#include <Region.h>
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#include <ServerProtocolStructs.h>
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#include <View.h>
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const static uint32 kDeleteReplicant = 'JAHA';
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const static uint32 kWorkspacesViewFlag = 0x40000000UL;
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// was/is _B_RESERVED1_ in View.h
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enum {
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B_VIEW_FONT_BIT = 0x00000001,
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B_VIEW_HIGH_COLOR_BIT = 0x00000002,
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B_VIEW_DRAWING_MODE_BIT = 0x00000004,
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B_VIEW_CLIP_REGION_BIT = 0x00000008,
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B_VIEW_LINE_MODES_BIT = 0x00000010,
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B_VIEW_BLENDING_BIT = 0x00000020,
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B_VIEW_SCALE_BIT = 0x00000040,
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B_VIEW_FONT_ALIASING_BIT = 0x00000080,
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B_VIEW_FRAME_BIT = 0x00000100,
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B_VIEW_ORIGIN_BIT = 0x00000200,
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B_VIEW_PEN_SIZE_BIT = 0x00000400,
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B_VIEW_PEN_LOCATION_BIT = 0x00000800,
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B_VIEW_LOW_COLOR_BIT = 0x00008000,
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B_VIEW_VIEW_COLOR_BIT = 0x00010000,
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B_VIEW_PATTERN_BIT = 0x00020000,
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B_VIEW_ALL_BITS = 0x0003ffff,
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// these used for archiving only
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B_VIEW_RESIZE_BIT = 0x00001000,
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B_VIEW_FLAGS_BIT = 0x00002000,
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B_VIEW_EVENT_MASK_BIT = 0x00004000
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};
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class BView::Private {
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public:
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Private(BView* view)
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:
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fView(view)
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{
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}
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int16 ShowLevel()
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{
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return fView->fShowLevel;
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}
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// defined in View.cpp
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bool WillLayout();
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bool MinMaxValid();
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bool RemoveSelf()
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{
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return fView->_RemoveSelf();
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}
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BView* fView;
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};
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namespace BPrivate {
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class PortLink;
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class ViewState {
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public:
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ViewState();
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inline bool IsValid(uint32 bit) const;
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inline bool IsAllValid() const;
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void UpdateServerFontState(BPrivate::PortLink &link);
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void UpdateServerState(BPrivate::PortLink &link);
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void UpdateFrom(BPrivate::PortLink &link);
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public:
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BPoint pen_location;
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float pen_size;
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rgb_color high_color;
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rgb_color low_color;
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// This one is not affected by pop state/push state
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rgb_color view_color;
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::pattern pattern;
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::drawing_mode drawing_mode;
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BRegion clipping_region;
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bool clipping_region_used;
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BPoint origin;
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// line modes
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join_mode line_join;
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cap_mode line_cap;
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float miter_limit;
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// alpha blending
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source_alpha alpha_source_mode;
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alpha_function alpha_function_mode;
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float scale;
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// fonts
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BFont font;
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uint16 font_flags;
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bool font_aliasing;
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// font aliasing. Used for printing only!
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// flags used for synchronization with app_server
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uint32 valid_flags;
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// flags used for archiving
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uint32 archiving_flags;
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// maintain our own rect as seen from the app while printing
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BRect print_rect;
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};
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inline bool
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ViewState::IsValid(uint32 bit) const
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{
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return valid_flags & bit;
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}
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inline bool
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ViewState::IsAllValid() const
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{
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return (valid_flags & B_VIEW_ALL_BITS & ~B_VIEW_CLIP_REGION_BIT)
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== (B_VIEW_ALL_BITS & ~B_VIEW_CLIP_REGION_BIT);
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}
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} // namespace BPrivate
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struct _array_data_{
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// the max number of points in the array
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uint32 maxCount;
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// the current number of points in the array
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uint32 count;
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// the array of points
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ViewLineArrayInfo* array;
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};
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#endif /* VIEW_PRIVATE_H */
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