haiku/headers/os/interface/ColorControl.h
Stefano Ceccherini 9c76ea4c52 Applied patch by Alexander Deckner (with a few small changes by myself):
Implemented palette mode and fixed bugs listed at ticket #1701. Thanks 
for your work!


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23671 a95241bf-73f2-0310-859d-f6bbb57e9c96
2008-01-20 21:20:12 +00:00

130 lines
3.6 KiB
C++

/*
* Copyright 2005, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _COLOR_CONTROL_H
#define _COLOR_CONTROL_H
#include <Control.h>
class BBitmap;
enum color_control_layout {
B_CELLS_4x64 = 4,
B_CELLS_8x32 = 8,
B_CELLS_16x16 = 16,
B_CELLS_32x8 = 32,
B_CELLS_64x4 = 64,
};
class BTextControl;
class BColorControl : public BControl {
public:
BColorControl(BPoint start, color_control_layout layout,
float cellSize, const char* name,
BMessage* message = NULL, bool useOffscreen = false);
BColorControl(BMessage* archive);
virtual ~BColorControl();
static BArchivable* Instantiate(BMessage* archive);
virtual status_t Archive(BMessage* archive, bool deep = true) const;
virtual void SetLayout(BLayout* layout);
virtual void SetValue(int32 color_value);
void SetValue(rgb_color color);
rgb_color ValueAsColor();
virtual void SetEnabled(bool state);
virtual void AttachedToWindow();
virtual void MessageReceived(BMessage* message);
virtual void Draw(BRect updateRect);
virtual void MouseDown(BPoint where);
virtual void KeyDown(const char* bytes, int32 numBytes);
virtual void SetCellSize(float size);
float CellSize() const;
virtual void SetLayout(color_control_layout layout);
color_control_layout Layout() const;
virtual void WindowActivated(bool state);
virtual void MouseUp(BPoint point);
virtual void MouseMoved(BPoint point, uint32 code,
const BMessage* dragMessage);
virtual void DetachedFromWindow();
virtual void GetPreferredSize(float* _width, float* _height);
virtual void ResizeToPreferred();
virtual status_t Invoke(BMessage* message = NULL);
virtual void FrameMoved(BPoint newPosition);
virtual void FrameResized(float newWidth, float newHeight);
virtual BHandler* ResolveSpecifier(BMessage* message, int32 index,
BMessage* specifier, int32 what,
const char* property);
virtual status_t GetSupportedSuites(BMessage* data);
virtual void MakeFocus(bool state = true);
virtual void AllAttached();
virtual void AllDetached();
private:
virtual status_t Perform(perform_code d, void *arg);
// this can be made public again if needed
virtual void _ReservedColorControl1();
virtual void _ReservedColorControl2();
virtual void _ReservedColorControl3();
virtual void _ReservedColorControl4();
BColorControl& operator=(const BColorControl &other);
void _InitData(color_control_layout layout,
float size, bool useOffscreen,
BMessage* archive = NULL);
void _LayoutView();
void _InitOffscreen();
void _DrawColorArea(BView* target, BRect update);
void _DrawSelectors(BView* target);
void _ColorRamp(BRect rect, BView* target,
rgb_color baseColor, int16 flag,
bool focused, BRect update);
BPoint _SelectorPosition(const BRect& rampRect, uint8 shade) const;
BRect _PaletteSelectorFrame(uint8 colorIndex) const;
BRect _RampFrame(uint8 rampIndex) const;
private:
BRect fPaletteFrame;
int16 fSelectedPaletteColorIndex;
int16 fPreviousSelectedPaletteColorIndex;
float fCellSize;
int32 fRows;
int32 fColumns;
bool fPaletteMode;
bool _unused[3];
BTextControl* fRedText;
BTextControl* fGreenText;
BTextControl* fBlueText;
BBitmap* fBitmap;
BView* fOffscreenView;
int32 fFocusedComponent;
uint32 _reserved[2];
};
inline void
BColorControl::SetValue(rgb_color color)
{
int32 c = (color.red << 24) + (color.green << 16) + (color.blue << 8);
SetValue(c);
}
#endif /* _COLOR_CONTROL_H */