haiku/headers/private/interface/ViewPrivate.h

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/*
* Copyright 2003-2008, Haiku.
* Distributed under the terms of the MIT License.
*
* Authors:
* Adrian Oanca <adioanca@cotty.iren.ro>
* Axel Dörfler, axeld@pinc-software.de
*/
#ifndef VIEW_PRIVATE_H
#define VIEW_PRIVATE_H
#include <Font.h>
#include <InterfaceDefs.h>
#include <Point.h>
#include <Rect.h>
#include <Region.h>
#include <ServerProtocolStructs.h>
#include <View.h>
const static uint32 kDeleteReplicant = 'JAHA';
const static uint32 kWorkspacesViewFlag = 0x40000000UL;
// was/is _B_RESERVED1_ in View.h
enum {
B_VIEW_FONT_BIT = 0x00000001,
B_VIEW_HIGH_COLOR_BIT = 0x00000002,
B_VIEW_DRAWING_MODE_BIT = 0x00000004,
B_VIEW_CLIP_REGION_BIT = 0x00000008,
B_VIEW_LINE_MODES_BIT = 0x00000010,
B_VIEW_BLENDING_BIT = 0x00000020,
B_VIEW_SCALE_BIT = 0x00000040,
B_VIEW_FONT_ALIASING_BIT = 0x00000080,
B_VIEW_FRAME_BIT = 0x00000100,
B_VIEW_ORIGIN_BIT = 0x00000200,
B_VIEW_PEN_SIZE_BIT = 0x00000400,
B_VIEW_PEN_LOCATION_BIT = 0x00000800,
B_VIEW_LOW_COLOR_BIT = 0x00008000,
B_VIEW_VIEW_COLOR_BIT = 0x00010000,
B_VIEW_PATTERN_BIT = 0x00020000,
B_VIEW_TRANSFORM_BIT = 0x00040000,
B_VIEW_FILL_RULE_BIT = 0x00080000,
B_VIEW_ALL_BITS = 0x000fffff,
// these used for archiving only
B_VIEW_RESIZE_BIT = 0x00001000,
B_VIEW_FLAGS_BIT = 0x00002000,
B_VIEW_EVENT_MASK_BIT = 0x00004000
};
class BView::Private {
public:
Private(BView* view)
:
fView(view)
{
}
int16 ShowLevel()
{
return fView->fShowLevel;
}
// defined in View.cpp
bool WillLayout();
bool MinMaxValid();
BLayoutItem* LayoutItemAt(int32 index);
int32 CountLayoutItems();
void RegisterLayoutItem(BLayoutItem* item);
void DeregisterLayoutItem(BLayoutItem* item);
bool RemoveSelf()
{
return fView->_RemoveSelf();
}
BView* fView;
};
namespace BPrivate {
class PortLink;
class ViewState {
public:
ViewState();
inline bool IsValid(uint32 bit) const;
inline bool IsAllValid() const;
void UpdateServerFontState(BPrivate::PortLink &link);
void UpdateServerState(BPrivate::PortLink &link);
void UpdateFrom(BPrivate::PortLink &link);
public:
BPoint pen_location;
float pen_size;
rgb_color high_color;
rgb_color low_color;
// This one is not affected by pop state/push state
rgb_color view_color;
::pattern pattern;
::drawing_mode drawing_mode;
BRegion clipping_region;
bool clipping_region_used;
// transformation
BPoint origin;
float scale;
BAffineTransform transform;
// line modes
join_mode line_join;
cap_mode line_cap;
float miter_limit;
// fill rule
int32 fill_rule;
// alpha blending
source_alpha alpha_source_mode;
alpha_function alpha_function_mode;
// fonts
BFont font;
uint16 font_flags;
bool font_aliasing;
// font aliasing. Used for printing only!
// flags used for synchronization with app_server
uint32 valid_flags;
// flags used for archiving
uint32 archiving_flags;
// maintain our own rect as seen from the app while printing
BRect print_rect;
};
inline bool
ViewState::IsValid(uint32 bit) const
{
return valid_flags & bit;
}
inline bool
ViewState::IsAllValid() const
{
return (valid_flags & B_VIEW_ALL_BITS & ~B_VIEW_CLIP_REGION_BIT)
== (B_VIEW_ALL_BITS & ~B_VIEW_CLIP_REGION_BIT);
}
} // namespace BPrivate
struct _array_data_{
// the max number of points in the array
uint32 maxCount;
// the current number of points in the array
uint32 count;
// the array of points
ViewLineArrayInfo* array;
};
#endif /* VIEW_PRIVATE_H */