170 lines
4.6 KiB
C
170 lines
4.6 KiB
C
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/*******************************************************************************
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/
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/ File: ColorControl.h
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/
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/ Description: BColorControl displays a palette of selectable colors.
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/
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/ Copyright 1996-98, Be Incorporated, All Rights Reserved
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/
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*******************************************************************************/
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#ifndef _COLOR_CONTROL_H
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#define _COLOR_CONTROL_H
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#include <BeBuild.h>
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#include <Control.h>
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class BBitmap;
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/*------------------------------------------------------------*/
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/*----- layout options for the color control -----------------*/
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enum color_control_layout {
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B_CELLS_4x64 = 4,
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B_CELLS_8x32 = 8,
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B_CELLS_16x16 = 16,
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B_CELLS_32x8 = 32,
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B_CELLS_64x4 = 64
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};
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class BTextControl;
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/*----------------------------------------------------------------*/
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/*----- BColorControl class --------------------------------------*/
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class BColorControl : public BControl {
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public:
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BColorControl( BPoint start,
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color_control_layout layout,
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float cell_size,
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const char *name,
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BMessage *message = NULL,
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bool use_offscreen = false);
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virtual ~BColorControl();
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BColorControl(BMessage *data);
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static BArchivable *Instantiate(BMessage *data);
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virtual status_t Archive(BMessage *data, bool deep = true) const;
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virtual void SetValue(int32 color_value);
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void SetValue(rgb_color color);
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rgb_color ValueAsColor();
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virtual void SetEnabled(bool state);
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virtual void AttachedToWindow();
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virtual void MessageReceived(BMessage *msg);
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virtual void Draw(BRect updateRect);
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virtual void MouseDown(BPoint where);
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virtual void KeyDown(const char *bytes, int32 numBytes);
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virtual void SetCellSize(float size);
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float CellSize() const;
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virtual void SetLayout(color_control_layout layout);
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color_control_layout Layout() const;
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virtual void WindowActivated(bool state);
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virtual void MouseUp(BPoint pt);
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virtual void MouseMoved(BPoint pt, uint32 code, const BMessage *msg);
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virtual void DetachedFromWindow();
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virtual void GetPreferredSize(float *width, float *height);
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virtual void ResizeToPreferred();
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virtual status_t Invoke(BMessage *msg = NULL);
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virtual void FrameMoved(BPoint new_position);
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virtual void FrameResized(float new_width, float new_height);
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virtual BHandler *ResolveSpecifier(BMessage *msg,
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int32 index,
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BMessage *specifier,
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int32 form,
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const char *property);
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virtual status_t GetSupportedSuites(BMessage *data);
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virtual void MakeFocus(bool state = true);
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virtual void AllAttached();
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virtual void AllDetached();
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/*----- Private or reserved -----------------------------------------*/
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virtual status_t Perform(perform_code d, void *arg);
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private:
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virtual void _ReservedColorControl1();
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virtual void _ReservedColorControl2();
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virtual void _ReservedColorControl3();
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virtual void _ReservedColorControl4();
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BColorControl &operator=(const BColorControl &);
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void LayoutView(bool calc_frame);
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void UpdateOffscreen();
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void UpdateOffscreen(BRect update);
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void DrawColorArea(BView *target, BRect update);
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void ColorRamp( BRect r,
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BRect where,
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BView *target,
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rgb_color c,
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int16 flag,
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bool focused);
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void KbAdjustColor(uint32 key);
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bool key_down32(uint32 key);
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bool key_down8(uint32 key);
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static BRect CalcFrame( BPoint start,
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color_control_layout layout,
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int32 size);
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void InitData( color_control_layout layout,
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float size,
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bool use_offscreen,
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BMessage *data = NULL);
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void DoMouseMoved(BPoint pt);
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void DoMouseUp(BPoint pt);
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float fCellSize;
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int32 fRows;
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int32 fColumns;
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struct track_state {
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int32 orig_color;
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int32 cur_color;
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int32 prev_color;
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int32 bar_index;
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BRect active_area;
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BRect r;
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rgb_color rgb;
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color_space cspace;
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};
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BTextControl *fRedText;
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BTextControl *fGreenText;
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BTextControl *fBlueText;
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BBitmap *fBitmap;
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BView *fOffscreenView;
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color_space fLastMode;
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float fRound;
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int32 fFocusedComponent;
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int32 fCachedIndex;
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uint32 _reserved[3];
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track_state *fTState;
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bool fUnused; // fTracking;
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bool fFocused;
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bool fRetainCache;
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bool fFastSet;
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};
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/*------------------------------------------------------------*/
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/*----- inline functions -------------------------------------*/
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inline void BColorControl::SetValue(rgb_color color)
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{
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/* OK, no private parts */
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int32 c = (color.red << 24) + (color.green << 16) + (color.blue << 8);
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SetValue(c);
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}
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/*-------------------------------------------------------------*/
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/*-------------------------------------------------------------*/
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#endif /* _COLOR_CONTROL_H */
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