// @(#)root/gui:$Id$ // Author: Bertrand Bellenot + Fons Rademakers 22/08/02 // Author: Ilka Antcheva (color wheel support) 16/03/07 /************************************************************************* * Copyright (C) 1995-2021, Rene Brun and Fons Rademakers. * * All rights reserved. * * * * For the licensing terms see $ROOTSYS/LICENSE. * * For the list of contributors see $ROOTSYS/README/CREDITS. * *************************************************************************/ #ifndef ROOT_TGColorDialog #define ROOT_TGColorDialog #include "TGFrame.h" #include "TGWidget.h" #include "TColor.h" class TGTextEntry; class TGTextBuffer; class TGTab; class TRootEmbeddedCanvas; class TColorWheel; class TGLabel; class TGTextButton; //---------------------------------------------------------------------- class TGColorPalette : public TGFrame, public TGWidget { private: TGColorPalette(const TGColorPalette&) = delete; TGColorPalette& operator=(const TGColorPalette&) = delete; protected: Int_t fCx; ///< x coordinate of currently selected color cell Int_t fCy; ///< y coordinate of currently selected color cell UInt_t fCw; ///< color cell width UInt_t fCh; ///< color cell height Int_t fRows; ///< number of color cell rows Int_t fCols; ///< number of color cell columns Pixel_t *fPixels; ///< pixel value of colors TGGC fDrawGC; ///< graphics context used for drawing void DoRedraw() override; virtual void GotFocus(); virtual void LostFocus(); void DrawFocusHilite(Int_t onoff); public: TGColorPalette(const TGWindow *p = nullptr, Int_t cols = 8, Int_t rows = 8, Int_t id = -1); ~TGColorPalette() override; Bool_t HandleButton(Event_t *event) override; Bool_t HandleMotion(Event_t *event) override; Bool_t HandleKey(Event_t *event) override; TGDimension GetDefaultSize() const override { return TGDimension((fCw + 5) * fCols, (fCh + 5) * fRows); } void SetColors(Pixel_t colors[]); void SetColor(Int_t ix, Pixel_t color); void SetCurrentCellColor(Pixel_t color); void SetCellSize(Int_t w = 20, Int_t h = 17); Pixel_t GetColorByIndex(Int_t ix) const { return fPixels[ix]; } Pixel_t GetCurrentColor() const; virtual void ColorSelected(Pixel_t col = 0) { Emit("ColorSelected(Pixel_t)", col ? col : GetCurrentColor()); } //*SIGNAL* ClassDefOverride(TGColorPalette,0) // Color palette widget }; //---------------------------------------------------------------------- class TGColorPick : public TGFrame, public TGWidget { private: Int_t fColormap[64][3]; // colormap Pixel_t fPixel[64]; // pixel values protected: Pixmap_t fHSimage; ///< hue / saturation colormap pixmap Pixmap_t fLimage; ///< color lightness slider pixmap Int_t fNColors; ///< number of color samples Int_t fClick; ///< mouse click location (kCLICK_NONE, kCLICK_HS, kCLICK_L) Int_t fCx; ///< x position in hs colormap Int_t fCy; ///< y position in hs colormap Int_t fCz; ///< position in lightness slider Pixel_t fCurrentColor; ///< currently selected color value Rectangle_t fColormapRect; ///< hue / saturation colormap rectangle Rectangle_t fSliderRect; ///< color lightness slider rectangle TGGC fCursorGC; ///< color lightness slider cursor GC void DoRedraw() override; void DrawHScursor(Int_t onoff); void DrawLcursor(Int_t onoff); void SetHScursor(Int_t x, Int_t y); void SetLcursor(Int_t z); void CreateImages(); void InitImages(); void SetSliderColor(); void UpdateCurrentColor(); void AllocColors(); void FreeColors(); void CreateDitheredImage(Pixmap_t image, Int_t which); public: TGColorPick(const TGWindow *p = nullptr, Int_t w = 1, Int_t h = 1, Int_t id = -1); ~TGColorPick() override; Bool_t HandleButton(Event_t *event) override; Bool_t HandleMotion(Event_t *event) override; void SetColor(Pixel_t color); Pixel_t GetCurrentColor() const { return fCurrentColor; } virtual void ColorSelected(Pixel_t col = 0) { Emit("ColorSelected(Pixel_t)", col ? col : GetCurrentColor()); } //*SIGNAL* ClassDefOverride(TGColorPick,0) // Color picker widget }; //---------------------------------------------------------------------- class TGColorDialog : public TGTransientFrame { private: TGColorDialog(const TGColorDialog&) = delete; TGColorDialog& operator=(const TGColorDialog&) = delete; protected: Pixel_t fCurrentColor; ///< currently selected color Pixel_t fInitColor; ///< initially set color Int_t *fRetc; ///< return code (kMBOk, kMBCancel) Pixel_t *fRetColor; ///< return color TColor *fRetTColor; ///< return TColor, needed for changed alpha TGColorPalette *fPalette; ///< color palette TGColorPalette *fCpalette; ///< color palette TGColorPick *fColors; ///< color pick widget TGFrame *fSample; ///< color sample frame TGFrame *fSampleOld; ///< color sample frame TGTextEntry *fRte, *fGte, *fBte, *fHte, *fLte, *fSte, *fAle; ///< RGB/HLS text entries TGTextBuffer *fRtb, *fGtb, *fBtb, *fHtb, *fLtb, *fStb, *fAlb; ///< RGB/HLS associated buffers Bool_t fWaitFor; ///< call WaitFor method in constructor TGTab *fTab; ///< tab widget holding the color selectors TRootEmbeddedCanvas *fEcanvas; ///< embedded canvas holding the color wheel TColorWheel *fColorWheel; ///< color wheel TGLabel *fColorInfo; ///< color info TGTextButton *fPreview; ///< preview button; void UpdateRGBentries(Pixel_t *c); void UpdateHLSentries(Pixel_t *c); void UpdateAlpha(Pixel_t *c); void CloseWindow() override; Bool_t ProcessMessage(Longptr_t msg, Longptr_t parm1, Longptr_t parm2) override; public: TGColorDialog(const TGWindow *p = nullptr, const TGWindow *m = nullptr, Int_t *retc = nullptr, Pixel_t *color = nullptr, Bool_t wait = kTRUE); ~TGColorDialog() override; TGColorPalette *GetPalette() const { return fPalette; } TGColorPalette *GetCustomPalette() const { return fCpalette; } virtual void ColorSelected(Pixel_t); //*SIGNAL* virtual void AlphaColorSelected(ULongptr_t); //*SIGNAL* void DoPreview(); virtual void SetCurrentColor(Pixel_t col); void SetColorInfo(Int_t event, Int_t px, Int_t py, TObject *selected); ClassDefOverride(TGColorDialog,0) // Color selection dialog }; #endif