#ifndef DECORATOR_H
#define DECORATOR_H
#include <Rect.h>
#include <Region.h>
#include <String.h>
#include <Window.h>
#include "DrawState.h"
#include "MultiLocker.h"
class Desktop;
class DesktopSettings;
class DrawingEngine;
class ServerBitmap;
class ServerFont;
class BRegion;
class Decorator {
public:
struct Tab {
Tab();
virtual ~Tab() {}
BRect tabRect;
BRect zoomRect;
BRect closeRect;
BRect minimizeRect;
bool closePressed : 1;
bool zoomPressed : 1;
bool minimizePressed : 1;
window_look look;
uint32 flags;
bool isFocused : 1;
BString title;
uint32 tabOffset;
float tabLocation;
float textOffset;
BString truncatedTitle;
int32 truncatedTitleLength;
bool buttonFocus : 1;
bool isHighlighted : 1;
float minTabSize;
float maxTabSize;
ServerBitmap* closeBitmaps[4];
ServerBitmap* minimizeBitmaps[4];
ServerBitmap* zoomBitmaps[4];
};
enum Region {
REGION_NONE,
REGION_TAB,
REGION_CLOSE_BUTTON,
REGION_ZOOM_BUTTON,
REGION_MINIMIZE_BUTTON,
REGION_LEFT_BORDER,
REGION_RIGHT_BORDER,
REGION_TOP_BORDER,
REGION_BOTTOM_BORDER,
REGION_LEFT_TOP_CORNER,
REGION_LEFT_BOTTOM_CORNER,
REGION_RIGHT_TOP_CORNER,
REGION_RIGHT_BOTTOM_CORNER,
REGION_COUNT
};
enum {
HIGHLIGHT_NONE,
HIGHLIGHT_RESIZE_BORDER,
HIGHLIGHT_USER_DEFINED
};
Decorator(DesktopSettings& settings,
BRect frame,
Desktop* desktop);
virtual ~Decorator();
virtual Decorator::Tab* AddTab(DesktopSettings& settings,
const char* title, window_look look,
uint32 flags, int32 index = -1,
BRegion* updateRegion = NULL);
virtual bool RemoveTab(int32 index,
BRegion* updateRegion = NULL);
virtual bool MoveTab(int32 from, int32 to, bool isMoving,
BRegion* updateRegion = NULL);
virtual int32 TabAt(const BPoint& where) const;
Decorator::Tab* TabAt(int32 index) const
{ return fTabList.ItemAt(index); }
int32 CountTabs() const
{ return fTabList.CountItems(); }
void SetTopTab(int32 tab);
void SetDrawingEngine(DrawingEngine *driver);
inline DrawingEngine* GetDrawingEngine() const
{ return fDrawingEngine; }
void FontsChanged(DesktopSettings& settings,
BRegion* updateRegion = NULL);
void ColorsChanged(DesktopSettings& settings,
BRegion* updateRegion = NULL);
virtual void UpdateColors(DesktopSettings& settings) = 0;
void SetLook(int32 tab, DesktopSettings& settings,
window_look look,
BRegion* updateRegion = NULL);
void SetFlags(int32 tab, uint32 flags,
BRegion* updateRegion = NULL);
window_look Look(int32 tab) const;
uint32 Flags(int32 tab) const;
BRect BorderRect() const;
BRect TitleBarRect() const;
BRect TabRect(int32 tab) const;
BRect TabRect(Decorator::Tab* tab) const;
void SetClose(int32 tab, bool pressed);
void SetMinimize(int32 tab, bool pressed);
void SetZoom(int32 tab, bool pressed);
const char* Title(int32 tab) const;
const char* Title(Decorator::Tab* tab) const;
void SetTitle(int32 tab, const char* string,
BRegion* updateRegion = NULL);
void SetFocus(int32 tab, bool focussed);
bool IsFocus(int32 tab) const;
bool IsFocus(Decorator::Tab* tab) const;
virtual float TabLocation(int32 tab) const;
bool SetTabLocation(int32 tab, float location,
bool isShifting,
BRegion* updateRegion = NULL);
virtual Region RegionAt(BPoint where, int32& tab) const;
const BRegion& GetFootprint();
::Desktop* GetDesktop();
void MoveBy(float x, float y);
void MoveBy(BPoint offset);
void ResizeBy(float x, float y, BRegion* dirty);
void ResizeBy(BPoint offset, BRegion* dirty);
void SetOutlinesDelta(BPoint delta, BRegion* dirty);
bool IsOutlineResizing() const
{ return fOutlinesDelta != BPoint(0, 0); }
virtual bool SetRegionHighlight(Region region,
uint8 highlight, BRegion* dirty,
int32 tab = -1);
inline uint8 RegionHighlight(Region region,
int32 tab = -1) const;
bool SetSettings(const BMessage& settings,
BRegion* updateRegion = NULL);
virtual bool GetSettings(BMessage* settings) const;
virtual void GetSizeLimits(int32* minWidth, int32* minHeight,
int32* maxWidth, int32* maxHeight) const;
virtual void ExtendDirtyRegion(Region region, BRegion& dirty);
virtual void Draw(BRect updateRect) = 0;
virtual void Draw() = 0;
virtual void DrawTab(int32 tab);
virtual void DrawTitle(int32 tab);
virtual void DrawClose(int32 tab);
virtual void DrawMinimize(int32 tab);
virtual void DrawZoom(int32 tab);
rgb_color UIColor(color_which which);
float BorderWidth();
float TabHeight();
protected:
virtual Decorator::Tab* _AllocateNewTab();
virtual void _DoLayout() = 0;
virtual void _DoOutlineLayout() = 0;
virtual void _DrawFrame(BRect rect) = 0;
virtual void _DrawOutlineFrame(BRect rect) = 0;
virtual void _DrawTabs(BRect rect);
virtual void _DrawTab(Decorator::Tab* tab, BRect rect) = 0;
virtual void _DrawTitle(Decorator::Tab* tab,
BRect rect) = 0;
virtual void _DrawButtons(Decorator::Tab* tab,
const BRect& invalid) = 0;
virtual void _DrawClose(Decorator::Tab* tab, bool direct,
BRect rect) = 0;
virtual void _DrawMinimize(Decorator::Tab* tab, bool direct,
BRect rect) = 0;
virtual void _DrawZoom(Decorator::Tab* tab, bool direct,
BRect rect) = 0;
virtual void _SetTitle(Decorator::Tab* tab,
const char* string,
BRegion* updateRegion = NULL) = 0;
int32 _TitleWidth(Decorator::Tab* tab) const
{ return tab->title.CountChars(); }
virtual void _SetFocus(Decorator::Tab* tab);
virtual bool _SetTabLocation(Decorator::Tab* tab,
float location, bool isShifting,
BRegion* updateRegion = NULL);
virtual Decorator::Tab* _TabAt(int32 index) const;
virtual void _FontsChanged(DesktopSettings& settings,
BRegion* updateRegion = NULL);
virtual void _UpdateFont(DesktopSettings& settings) = 0;
virtual void _SetLook(Decorator::Tab* tab,
DesktopSettings& settings,
window_look look,
BRegion* updateRegion = NULL);
virtual void _SetFlags(Decorator::Tab* tab, uint32 flags,
BRegion* updateRegion = NULL);
virtual void _MoveBy(BPoint offset);
virtual void _ResizeBy(BPoint offset, BRegion* dirty) = 0;
virtual void _MoveOutlineBy(BPoint offset);
virtual void _ResizeOutlineBy(BPoint offset, BRegion* dirty);
virtual void _SetOutlinesDelta(BPoint delta, BRegion* dirty);
virtual bool _SetSettings(const BMessage& settings,
BRegion* updateRegion = NULL);
virtual bool _AddTab(DesktopSettings& settings,
int32 index = -1,
BRegion* updateRegion = NULL) = 0;
virtual bool _RemoveTab(int32 index,
BRegion* updateRegion = NULL) = 0;
virtual bool _MoveTab(int32 from, int32 to, bool isMoving,
BRegion* updateRegion = NULL) = 0;
virtual void _GetFootprint(BRegion* region);
virtual void _GetOutlineFootprint(BRegion* region);
void _InvalidateFootprint();
void _InvalidateBitmaps();
protected:
mutable MultiLocker fLocker;
DrawingEngine* fDrawingEngine;
DrawState fDrawState;
BPoint fOutlinesDelta;
BRect fTitleBarRect;
BRect fFrame;
BRect fResizeRect;
BRect fBorderRect;
BRect fOutlineBorderRect;
BRect fLeftBorder;
BRect fTopBorder;
BRect fBottomBorder;
BRect fRightBorder;
BRect fLeftOutlineBorder;
BRect fTopOutlineBorder;
BRect fBottomOutlineBorder;
BRect fRightOutlineBorder;
int32 fBorderWidth;
int32 fOutlineBorderWidth;
Decorator::Tab* fTopTab;
BObjectList<Decorator::Tab> fTabList;
private:
Desktop* fDesktop;
BRegion fFootprint;
bool fFootprintValid : 1;
uint8 fRegionHighlights[REGION_COUNT - 1];
};
uint8
Decorator::RegionHighlight(Region region, int32 tab) const
{
int32 index = (int32)region - 1;
return index >= 0 && index < REGION_COUNT - 1
? fRegionHighlights[index] : 0;
}
#endif
