// @(#)root/x11:$Id$ // Author: Rene Brun, Olivier Couet, Fons Rademakers 28/11/94 /************************************************************************* * Copyright (C) 1995-2000, 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_TGX11 #define ROOT_TGX11 ////////////////////////////////////////////////////////////////////////// // // // TGX11 // // // // Interface to low level X11 (Xlib). This class gives access to basic // // X11 graphics, pixmap, text and font handling routines. // // // ////////////////////////////////////////////////////////////////////////// #ifndef ROOT_TVirtualX #include "TVirtualX.h" #endif #if !defined(__CINT__) #include #include #include #include #include #include #ifdef Status // Convert Status from a CPP macro to a typedef: typedef Status X11Status_t; #undef Status typedef X11Status_t Status; #endif #ifdef None // Convert None from a CPP macro to a static const int: static const unsigned long gX11None = None; #undef None static const unsigned long None = gX11None; #endif #else typedef unsigned long XID; typedef XID Drawable; typedef XID Cursor; typedef XID Colormap; typedef XID Window; struct GC; struct Display; struct Visual; struct XVisualInfo; struct XGCValues; struct XSetWindowAttributes; struct XColor; struct XEvent; struct XImage; struct XPoint; struct XpmAttributes; #endif struct XWindow_t { Int_t fOpen; // 1 if the window is open, 0 if not Int_t fDoubleBuffer; // 1 if the double buffer is on, 0 if not Int_t fIsPixmap; // 1 if pixmap, 0 if not Drawable fDrawing; // drawing area, equal to window or buffer Drawable fWindow; // X11 window Drawable fBuffer; // pixmap used for double buffer UInt_t fWidth; // width of the window UInt_t fHeight; // height of the window Int_t fClip; // 1 if the clipping is on Int_t fXclip; // x coordinate of the clipping rectangle Int_t fYclip; // y coordinate of the clipping rectangle UInt_t fWclip; // width of the clipping rectangle UInt_t fHclip; // height of the clipping rectangle ULong_t *fNewColors; // new image colors (after processing) Int_t fNcolors; // number of different colors Bool_t fShared; // notify when window is shared }; struct XColor_t { ULong_t fPixel; // color pixel value UShort_t fRed; // red value in range [0,kBIGGEST_RGB_VALUE] UShort_t fGreen; // green value UShort_t fBlue; // blue value Bool_t fDefined; // true if pixel value is defined XColor_t() { fPixel = 0; fRed = fGreen = fBlue = 0; fDefined = kFALSE; } }; class TExMap; class TGX11 : public TVirtualX { private: Int_t fMaxNumberOfWindows; //Maximum number of windows XWindow_t *fWindows; //List of windows TExMap *fColors; //Hash list of colors Cursor fCursors[kNumCursors]; //List of cursors XEvent *fXEvent; //Current native (X11) event void CloseWindow1(); void ClearPixmap(Drawable *pix); void CopyWindowtoPixmap(Drawable *pix, Int_t xpos, Int_t ypos); void FindBestVisual(); void FindUsableVisual(XVisualInfo *vlist, Int_t nitems); void PutImage(Int_t offset, Int_t itran, Int_t x0, Int_t y0, Int_t nx, Int_t ny, Int_t xmin, Int_t ymin, Int_t xmax, Int_t ymax, UChar_t *image, Drawable_t id); void RemovePixmap(Drawable *pix); void SetColor(GC gc, Int_t ci); void SetFillStyleIndex(Int_t style, Int_t fasi); void SetInput(Int_t inp); void SetMarkerType(Int_t type, Int_t n, XPoint *xy); void CollectImageColors(ULong_t pixel, ULong_t *&orgcolors, Int_t &ncolors, Int_t &maxcolors); void MakeOpaqueColors(Int_t percent, ULong_t *orgcolors, Int_t ncolors); Int_t FindColor(ULong_t pixel, ULong_t *orgcolors, Int_t ncolors); void ImgPickPalette(XImage *image, Int_t &ncol, Int_t *&R, Int_t *&G, Int_t *&B); //---- Private methods used for GUI ---- void MapGCValues(GCValues_t &gval, ULong_t &xmask, XGCValues &xgval, Bool_t tox = kTRUE); void MapSetWindowAttributes(SetWindowAttributes_t *attr, ULong_t &xmask, XSetWindowAttributes &xattr); void MapCursor(ECursor cursor, Int_t &xcursor); void MapColorStruct(ColorStruct_t *color, XColor &xcolor); void MapPictureAttributes(PictureAttributes_t &attr, XpmAttributes &xpmattr, Bool_t toxpm = kTRUE); void MapModifierState(UInt_t &state, UInt_t &xstate, Bool_t tox = kTRUE); void MapEvent(Event_t &ev, XEvent &xev, Bool_t tox = kTRUE); void MapEventMask(UInt_t &emask, UInt_t &xemask, Bool_t tox = kTRUE); void MapKeySym(UInt_t &keysym, UInt_t &xkeysym, Bool_t tox = kTRUE); protected: Display *fDisplay; //Pointer to display Visual *fVisual; //Pointer to visual used by all windows Drawable fRootWin; //Root window used as parent of all windows Drawable fVisRootWin; //Root window with fVisual to be used to create GC's and XImages Colormap fColormap; //Default colormap, 0 if b/w ULong_t fBlackPixel; //Value of black pixel in colormap ULong_t fWhitePixel; //Value of white pixel in colormap Int_t fScreenNumber; //Screen number Int_t fTextAlignH; //Text Alignment Horizontal Int_t fTextAlignV; //Text Alignment Vertical Int_t fTextAlign; //Text alignment (set in SetTextAlign) Float_t fCharacterUpX; //Character Up vector along X Float_t fCharacterUpY; //Character Up vector along Y Float_t fTextMagnitude; //Text Magnitude Int_t fDepth; //Number of color planes Int_t fRedDiv; //Red value divider, -1 if no TrueColor visual Int_t fGreenDiv; //Green value divider Int_t fBlueDiv; //Blue value divider Int_t fRedShift; //Bits to left shift red, -1 if no TrueColor visual Int_t fGreenShift; //Bits to left shift green Int_t fBlueShift; //Bits to left shift blue Bool_t fHasTTFonts; //True when TrueType fonts are used // needed by TGX11TTF Bool_t AllocColor(Colormap cmap, XColor *color); void QueryColors(Colormap cmap, XColor *colors, Int_t ncolors); GC *GetGC(Int_t which) const; XColor_t &GetColor(Int_t cid); public: TGX11(); TGX11(const TGX11 &org); TGX11(const char *name, const char *title); virtual ~TGX11(); Bool_t Init(void *display); void ClearWindow(); void ClosePixmap(); void CloseWindow(); void CopyPixmap(Int_t wid, Int_t xpos, Int_t ypos); void DrawBox(Int_t x1, Int_t y1, Int_t x2, Int_t y2, EBoxMode mode); void DrawCellArray(Int_t x1, Int_t y1, Int_t x2, Int_t y2, Int_t nx, Int_t ny, Int_t *ic); void DrawFillArea(Int_t n, TPoint *xy); void DrawLine(Int_t x1, Int_t y1, Int_t x2, Int_t y2); void DrawPolyLine(Int_t n, TPoint *xy); void DrawPolyMarker(Int_t n, TPoint *xy); virtual void DrawText(Int_t x, Int_t y, Float_t angle, Float_t mgn, const char *text, ETextMode mode); virtual void DrawText(Int_t, Int_t, Float_t, Float_t, const wchar_t *, ETextMode) {} void GetCharacterUp(Float_t &chupx, Float_t &chupy); Int_t GetDoubleBuffer(Int_t wid); void GetGeometry(Int_t wid, Int_t &x, Int_t &y, UInt_t &w, UInt_t &h); const char *DisplayName(const char *dpyName = 0); Handle_t GetNativeEvent() const { return (Handle_t) fXEvent; } ULong_t GetPixel(Color_t cindex); void GetPlanes(Int_t &nplanes); void GetRGB(Int_t index, Float_t &r, Float_t &g, Float_t &b); virtual void GetTextExtent(UInt_t &w, UInt_t &h, char *mess); virtual void GetTextExtent(UInt_t &, UInt_t &, wchar_t *){} Float_t GetTextMagnitude() { return fTextMagnitude; } Window_t GetWindowID(Int_t wid); Bool_t HasTTFonts() const { return fHasTTFonts; } Int_t InitWindow(ULong_t window); Int_t AddWindow(ULong_t qwid, UInt_t w, UInt_t h); Int_t AddPixmap(ULong_t pixid, UInt_t w, UInt_t h); void RemoveWindow(ULong_t qwid); void MoveWindow(Int_t wid, Int_t x, Int_t y); Int_t OpenDisplay(Display *display); Int_t OpenPixmap(UInt_t w, UInt_t h); void QueryPointer(Int_t &ix, Int_t &iy); Pixmap_t ReadGIF(Int_t x0, Int_t y0, const char *file, Window_t id=0); Int_t RequestLocator(Int_t mode, Int_t ctyp, Int_t &x, Int_t &y); Int_t RequestString(Int_t x, Int_t y, char *text); void RescaleWindow(Int_t wid, UInt_t w, UInt_t h); Int_t ResizePixmap(Int_t wid, UInt_t w, UInt_t h); void ResizeWindow(Int_t wid); void SelectWindow(Int_t wid); void SetCharacterUp(Float_t chupx, Float_t chupy); void SetClipOFF(Int_t wid); void SetClipRegion(Int_t wid, Int_t x, Int_t y, UInt_t w, UInt_t h); void SetCursor(Int_t win, ECursor cursor); void SetDoubleBuffer(Int_t wid, Int_t mode); void SetDoubleBufferOFF(); void SetDoubleBufferON(); void SetDrawMode(EDrawMode mode); void SetFillColor(Color_t cindex); void SetFillStyle(Style_t style); void SetLineColor(Color_t cindex); void SetLineType(Int_t n, Int_t *dash); void SetLineStyle(Style_t linestyle); void SetLineWidth(Width_t width); void SetMarkerColor(Color_t cindex); void SetMarkerSize(Float_t markersize); void SetMarkerStyle(Style_t markerstyle); void SetOpacity(Int_t percent); void SetRGB(Int_t cindex, Float_t r, Float_t g, Float_t b); void SetTextAlign(Short_t talign=11); void SetTextColor(Color_t cindex); virtual Int_t SetTextFont(char *fontname, ETextSetMode mode); virtual void SetTextFont(Font_t fontnumber); void SetTextMagnitude(Float_t mgn=1) { fTextMagnitude = mgn;} virtual void SetTextSize(Float_t textsize); void Sync(Int_t mode); void UpdateWindow(Int_t mode); void Warp(Int_t ix, Int_t iy, Window_t id = 0); Int_t WriteGIF(char *name); void WritePixmap(Int_t wid, UInt_t w, UInt_t h, char *pxname); Window_t GetCurrentWindow() const; Int_t SupportsExtension(const char *ext) const; //---- Methods used for GUI ----- void GetWindowAttributes(Window_t id, WindowAttributes_t &attr); void MapWindow(Window_t id); void MapSubwindows(Window_t id); void MapRaised(Window_t id); void UnmapWindow(Window_t id); void DestroyWindow(Window_t id); void DestroySubwindows(Window_t id); void RaiseWindow(Window_t id); void LowerWindow(Window_t id); void MoveWindow(Window_t id, Int_t x, Int_t y); void MoveResizeWindow(Window_t id, Int_t x, Int_t y, UInt_t w, UInt_t h); void ResizeWindow(Window_t id, UInt_t w, UInt_t h); void IconifyWindow(Window_t id); void ReparentWindow(Window_t id, Window_t pid, Int_t x, Int_t y); void SetWindowBackground(Window_t id, ULong_t color); void SetWindowBackgroundPixmap(Window_t id, Pixmap_t pxm); Window_t CreateWindow(Window_t parent, Int_t x, Int_t y, UInt_t w, UInt_t h, UInt_t border, Int_t depth, UInt_t clss, void *visual, SetWindowAttributes_t *attr, UInt_t wtype); Int_t OpenDisplay(const char *dpyName); void CloseDisplay(); Display_t GetDisplay() const; Visual_t GetVisual() const; Int_t GetScreen() const; Int_t GetDepth() const; Colormap_t GetColormap() const; Atom_t InternAtom(const char *atom_name, Bool_t only_if_exist); Window_t GetDefaultRootWindow() const; Window_t GetParent(Window_t id) const; FontStruct_t LoadQueryFont(const char *font_name); FontH_t GetFontHandle(FontStruct_t fs); void DeleteFont(FontStruct_t fs); GContext_t CreateGC(Drawable_t id, GCValues_t *gval); void ChangeGC(GContext_t gc, GCValues_t *gval); void CopyGC(GContext_t org, GContext_t dest, Mask_t mask); void DeleteGC(GContext_t gc); Cursor_t CreateCursor(ECursor cursor); void SetCursor(Window_t id, Cursor_t curid); Pixmap_t CreatePixmap(Drawable_t id, UInt_t w, UInt_t h); Pixmap_t CreatePixmap(Drawable_t id, const char *bitmap, UInt_t width, UInt_t height, ULong_t forecolor, ULong_t backcolor, Int_t depth); unsigned char *GetColorBits(Drawable_t wid, Int_t x = 0, Int_t y = 0, UInt_t w = 0, UInt_t h = 0); Pixmap_t CreatePixmapFromData(unsigned char *bits, UInt_t width, UInt_t height); Pixmap_t CreateBitmap(Drawable_t id, const char *bitmap, UInt_t width, UInt_t height); void DeletePixmap(Pixmap_t pmap); Bool_t CreatePictureFromFile(Drawable_t id, const char *filename, Pixmap_t &pict, Pixmap_t &pict_mask, PictureAttributes_t &attr); Bool_t CreatePictureFromData(Drawable_t id, char **data, Pixmap_t &pict, Pixmap_t &pict_mask, PictureAttributes_t &attr); Bool_t ReadPictureDataFromFile(const char *filename, char ***ret_data); void DeletePictureData(void *data); void SetDashes(GContext_t gc, Int_t offset, const char *dash_list, Int_t n); Bool_t ParseColor(Colormap_t cmap, const char *cname, ColorStruct_t &color); Bool_t AllocColor(Colormap_t cmap, ColorStruct_t &color); void QueryColor(Colormap_t cmap, ColorStruct_t &color); void FreeColor(Colormap_t cmap, ULong_t pixel); Int_t EventsPending(); void NextEvent(Event_t &event); void Bell(Int_t percent); void CopyArea(Drawable_t src, Drawable_t dest, GContext_t gc, Int_t src_x, Int_t src_y, UInt_t width, UInt_t height, Int_t dest_x, Int_t dest_y); void ChangeWindowAttributes(Window_t id, SetWindowAttributes_t *attr); void ChangeProperty(Window_t id, Atom_t property, Atom_t type, UChar_t *data, Int_t len); void DrawLine(Drawable_t id, GContext_t gc, Int_t x1, Int_t y1, Int_t x2, Int_t y2); void ClearArea(Window_t id, Int_t x, Int_t y, UInt_t w, UInt_t h); Bool_t CheckEvent(Window_t id, EGEventType type, Event_t &ev); void SendEvent(Window_t id, Event_t *ev); void WMDeleteNotify(Window_t id); void SetKeyAutoRepeat(Bool_t on = kTRUE); void GrabKey(Window_t id, Int_t keycode, UInt_t modifier, Bool_t grab = kTRUE); void GrabButton(Window_t id, EMouseButton button, UInt_t modifier, UInt_t evmask, Window_t confine, Cursor_t cursor, Bool_t grab = kTRUE); void GrabPointer(Window_t id, UInt_t evmask, Window_t confine, Cursor_t cursor, Bool_t grab = kTRUE, Bool_t owner_events = kTRUE); void SetWindowName(Window_t id, char *name); void SetIconName(Window_t id, char *name); void SetIconPixmap(Window_t id, Pixmap_t pic); void SetClassHints(Window_t id, char *className, char *resourceName); void SetMWMHints(Window_t id, UInt_t value, UInt_t funcs, UInt_t input); void SetWMPosition(Window_t id, Int_t x, Int_t y); void SetWMSize(Window_t id, UInt_t w, UInt_t h); void SetWMSizeHints(Window_t id, UInt_t wmin, UInt_t hmin, UInt_t wmax, UInt_t hmax, UInt_t winc, UInt_t hinc); void SetWMState(Window_t id, EInitialState state); void SetWMTransientHint(Window_t id, Window_t main_id); void DrawString(Drawable_t id, GContext_t gc, Int_t x, Int_t y, const char *s, Int_t len); Int_t TextWidth(FontStruct_t font, const char *s, Int_t len); void GetFontProperties(FontStruct_t font, Int_t &max_ascent, Int_t &max_descent); void GetGCValues(GContext_t gc, GCValues_t &gval); FontStruct_t GetFontStruct(FontH_t fh); void FreeFontStruct(FontStruct_t fs); void ClearWindow(Window_t id); Int_t KeysymToKeycode(UInt_t keysym); void FillRectangle(Drawable_t id, GContext_t gc, Int_t x, Int_t y, UInt_t w, UInt_t h); void DrawRectangle(Drawable_t id, GContext_t gc, Int_t x, Int_t y, UInt_t w, UInt_t h); void DrawSegments(Drawable_t id, GContext_t gc, Segment_t *seg, Int_t nseg); void SelectInput(Window_t id, UInt_t evmask); Window_t GetInputFocus(); void SetInputFocus(Window_t id); Window_t GetPrimarySelectionOwner(); void SetPrimarySelectionOwner(Window_t id); void ConvertPrimarySelection(Window_t id, Atom_t clipboard, Time_t when); void LookupString(Event_t *event, char *buf, Int_t buflen, UInt_t &keysym); void GetPasteBuffer(Window_t id, Atom_t atom, TString &text, Int_t &nchar, Bool_t del); void TranslateCoordinates(Window_t src, Window_t dest, Int_t src_x, Int_t src_y, Int_t &dest_x, Int_t &dest_y, Window_t &child); void GetWindowSize(Drawable_t id, Int_t &x, Int_t &y, UInt_t &w, UInt_t &h); void FillPolygon(Window_t id, GContext_t gc, Point_t *points, Int_t npnt); void QueryPointer(Window_t id, Window_t &rootw, Window_t &childw, Int_t &root_x, Int_t &root_y, Int_t &win_x, Int_t &win_y, UInt_t &mask); void SetForeground(GContext_t gc, ULong_t foreground); void SetClipRectangles(GContext_t gc, Int_t x, Int_t y, Rectangle_t *recs, Int_t n); void Update(Int_t mode = 0); Region_t CreateRegion(); void DestroyRegion(Region_t reg); void UnionRectWithRegion(Rectangle_t *rect, Region_t src, Region_t dest); Region_t PolygonRegion(Point_t *points, Int_t np, Bool_t winding); void UnionRegion(Region_t rega, Region_t regb, Region_t result); void IntersectRegion(Region_t rega, Region_t regb, Region_t result); void SubtractRegion(Region_t rega, Region_t regb, Region_t result); void XorRegion(Region_t rega, Region_t regb, Region_t result); Bool_t EmptyRegion(Region_t reg); Bool_t PointInRegion(Int_t x, Int_t y, Region_t reg); Bool_t EqualRegion(Region_t rega, Region_t regb); void GetRegionBox(Region_t reg, Rectangle_t *); char **ListFonts(const char *fontname, Int_t max, Int_t &count); void FreeFontNames(char **fontlist); Drawable_t CreateImage(UInt_t width, UInt_t height); void GetImageSize(Drawable_t id, UInt_t &width, UInt_t &height); void PutPixel(Drawable_t id, Int_t x, Int_t y, ULong_t pixel); void PutImage(Drawable_t id, GContext_t gc, Drawable_t img, Int_t dx, Int_t dy, Int_t x, Int_t y, UInt_t w, UInt_t h); void DeleteImage(Drawable_t img); void ShapeCombineMask(Window_t id, Int_t x, Int_t y, Pixmap_t mask); UInt_t ScreenWidthMM() const; void DeleteProperty(Window_t, Atom_t&); Int_t GetProperty(Window_t, Atom_t, Long_t, Long_t, Bool_t, Atom_t, Atom_t*, Int_t*, ULong_t*, ULong_t*, unsigned char**); void ChangeActivePointerGrab(Window_t, UInt_t, Cursor_t); void ConvertSelection(Window_t, Atom_t&, Atom_t&, Atom_t&, Time_t&); Bool_t SetSelectionOwner(Window_t, Atom_t&); void ChangeProperties(Window_t id, Atom_t property, Atom_t type, Int_t format, UChar_t *data, Int_t len); void SetDNDAware(Window_t, Atom_t *); void SetTypeList(Window_t win, Atom_t prop, Atom_t *typelist); Window_t FindRWindow(Window_t win, Window_t dragwin, Window_t input, int x, int y, int maxd); Bool_t IsDNDAware(Window_t win, Atom_t *typelist); ClassDef(TGX11,0) //Interface to X11 }; #endif