Linux Manuals session 3

Tk_CreateOptionTable, Tk_DeleteOptionTable, Tk_InitOptions, Tk_SetOptions, Tk_FreeSavedOptions, Tk_RestoreSavedOptions, Tk_GetOptionValue, Tk_GetOptionInfo, Tk_FreeConfigOptions, Tk_Offset – process configuration options Synopsis#include <tk.h> Tk_OptionTable Tk_CreateOptionTable(interp, templatePtr) Tk_DeleteOptionTable(optionTable) int Tk_InitOptions(interp, recordPtr, optionTable, tkwin) int Tk_SetOptions(interp, recordPtr, optionTable, objc, objv, tkwin, savePtr, maskPtr) Tk_FreeSavedOptions(savedPtr) Tk_RestoreSavedOptions(savedPtr) Tcl_Obj * Tk_GetOptionValue(interp, recordPtr, optionTable, namePtr, tkwin) Tcl_Obj * Tk_GetOptionInfo(interp, recordPtr, optionTable, namePtr, tkwin) Tk_FreeConfigOptions(recordPtr, optionTable, tkwin) int Tk_Offset(type,…

Tk_GetOption – retrieve an option from the option database Synopsis#include <tk.h> Tk_Uid Tk_GetOption(tkwin, name, class)ArgumentsTk_Window tkwin (in) Token for window. const char *name (in) Name of desired option. const char *class (in) Class of desired option. Null means there is no class for this option; do lookup based on name only. DescriptionThis procedure is invoked…

Tk_MainWindow, Tk_GetNumMainWindows – functions for querying main window information Synopsis#include <tk.h> Tk_Window Tk_MainWindow(interp) int Tk_GetNumMainWindows()ArgumentsTcl_Interp *interp (in/out) Interpreter associated with the application. DescriptionA main window is a special kind of toplevel window used as the outermost window in an application. If interp is associated with a Tk application then Tk_MainWindow returns the application’s main window….

Tk_GetPixelsFromObj, Tk_GetPixels, Tk_GetMMFromObj, Tk_GetScreenMM – translate between strings and screen units Synopsis#include <tk.h> int Tk_GetPixelsFromObj(interp, tkwin, objPtr, intPtr) int Tk_GetPixels(interp, tkwin, string, intPtr) int Tk_GetMMFromObj(interp, tkwin, objPtr, doublePtr) int Tk_GetScreenMM(interp, tkwin, string, doublePtr)ArgumentsTcl_Interp *interp (in) Interpreter to use for error reporting. Tk_Window tkwin (in) Window whose screen geometry determines the conversion between absolute units and…

Tk_GetJustifyFromObj, Tk_GetJustify, Tk_NameOfJustify – translate between strings and justification styles Synopsis#include <tk.h> int Tk_GetJustifyFromObj(interp, objPtr, justifyPtr) int Tk_GetJustify(interp, string, justifyPtr) const char * Tk_NameOfJustify(justify)ArgumentsTcl_Interp *interp (in) Interpreter to use for error reporting, or NULL. Tcl_Obj *objPtr (in/out) String value contains name of justification style, one of “left”, “right”, or “center”. The internal rep will be…

Tk_GetJustifyFromObj, Tk_GetJustify, Tk_NameOfJustify – translate between strings and justification styles Synopsis#include <tk.h> int Tk_GetJustifyFromObj(interp, objPtr, justifyPtr) int Tk_GetJustify(interp, string, justifyPtr) const char * Tk_NameOfJustify(justify)ArgumentsTcl_Interp *interp (in) Interpreter to use for error reporting, or NULL. Tcl_Obj *objPtr (in/out) String value contains name of justification style, one of “left”, “right”, or “center”. The internal rep will be…

Tk_GetJoinStyle, Tk_NameOfJoinStyle – translate between strings and join styles Synopsis#include <tk.h> int Tk_GetJoinStyle(interp, string, joinPtr) const char * Tk_NameOfJoinStyle(join)ArgumentsTcl_Interp *interp (in) Interpreter to use for error reporting. const char *string (in) String containing name of join style: one of “bevel”, “miter”, or “round”. int *joinPtr (out) Pointer to location in which to store X join…

Tk_CreateItemType, Tk_GetItemTypes – define new kind of canvas item Synopsis#include <tk.h> Tk_CreateItemType(typePtr) Tk_ItemType * Tk_GetItemTypes()ArgumentsTk_ItemType *typePtr (in) Structure that defines the new type of canvas item. IntroductionTk_CreateItemType is invoked to define a new kind of canvas item described by the typePtr argument. An item type corresponds to a particular value of the type argument to…

Tk_CreateImageType, Tk_GetImageMasterData, Tk_InitImageArgs – define new kind of image Synopsis#include <tk.h> Tk_CreateImageType(typePtr) ClientData Tk_GetImageMasterData(interp, name, typePtrPtr) Tk_InitImageArgs(interp, argc, argvPtr)ArgumentsTk_ImageType *typePtr (in) Structure that defines the new type of image. Must be static: a pointer to this structure is retained by the image code. Tcl_Interp *interp (in) Interpreter in which image was created. const char *name…

Tk_GetImage, Tk_RedrawImage, Tk_SizeOfImage, Tk_FreeImage – use an image in a widget Synopsis#include <tk.h> Tk_Image Tk_GetImage(interp, tkwin, name, changeProc, clientData) Tk_RedrawImage(image, imageX, imageY, width, height, drawable, drawableX, drawableY) Tk_SizeOfImage(image, widthPtr, heightPtr) Tk_FreeImage(image)ArgumentsTcl_Interp *interp (in) Place to leave error message. Tk_Window tkwin (in) Window in which image will be used. const char *name (in) Name of image….

Tk_GetHWND, Tk_AttachHWND – manage interactions between the Windows handle and an X window Synopsis#include <tkPlatDecls.h> HWND Tk_GetHWND(window) Window Tk_AttachHWND(tkwin, hwnd)ArgumentsWindow window (in) X token for window. Tk_Window tkwin (in) Tk window for window. HWND hwnd (in) Windows HWND for window. DescriptionTk_GetHWND returns the Windows HWND identifier for X Windows window given by window. Tk_AttachHWND binds…

Tk_GetHINSTANCE – retrieve the global application instance handle Synopsis#include <tkPlatDecls.h> HINSTANCE Tk_GetHINSTANCE() DescriptionTk_GetHINSTANCE returns the Windows application instance handle for the Tk application. This function is only available on Windows platforms. Keywordsidentifier, instance

Tk_GetGC, Tk_FreeGC – maintain database of read-only graphics contexts Synopsis#include <tk.h> GC Tk_GetGC(tkwin, valueMask, valuePtr) Tk_FreeGC(display, gc)ArgumentsTk_Window tkwin (in) Token for window in which the graphics context will be used. unsigned long valueMask (in) Mask of bits (such as GCForeground or GCStipple) indicating which fields of *valuePtr are valid. XGCValues *valuePtr (in) Pointer to structure…

Tk_FontId, Tk_GetFontMetrics, Tk_PostscriptFontName – accessor functions for fonts Synopsis#include <tk.h> Font Tk_FontId(tkfont) Tk_GetFontMetrics(tkfont, fmPtr) int Tk_PostscriptFontName(tkfont, dsPtr)ArgumentsTk_Font tkfont (in) Opaque font token being queried. Must have been returned by a previous call to Tk_GetFont. Tk_FontMetrics *fmPtr (out) Pointer to structure in which the font metrics for tkfont will be stored. See DATA STRUCTURES below for…

Tk_AllocFontFromObj, Tk_GetFont, Tk_GetFontFromObj, Tk_NameOfFont, Tk_FreeFontFromObj, Tk_FreeFont – maintain database of fonts Synopsis#include <tk.h> Tk_Font Tk_AllocFontFromObj(interp, tkwin, objPtr) Tk_Font Tk_GetFont(interp, tkwin, string) Tk_Font Tk_GetFontFromObj(tkwin, objPtr) const char * Tk_NameOfFont(tkfont) Tk_Font Tk_FreeFontFromObj(tkwin, objPtr) void Tk_FreeFont(tkfont)ArgumentsTcl_Interp *interp (in) Interpreter to use for error reporting. If NULL, then no error messages are left after errors. Tk_Window tkwin (in) Token…

Tk_AllocFontFromObj, Tk_GetFont, Tk_GetFontFromObj, Tk_NameOfFont, Tk_FreeFontFromObj, Tk_FreeFont – maintain database of fonts Synopsis#include <tk.h> Tk_Font Tk_AllocFontFromObj(interp, tkwin, objPtr) Tk_Font Tk_GetFont(interp, tkwin, string) Tk_Font Tk_GetFontFromObj(tkwin, objPtr) const char * Tk_NameOfFont(tkfont) Tk_Font Tk_FreeFontFromObj(tkwin, objPtr) void Tk_FreeFont(tkfont)ArgumentsTcl_Interp *interp (in) Interpreter to use for error reporting. If NULL, then no error messages are left after errors. Tk_Window tkwin (in) Token…

Tk_GetDash – convert from string to valid dash structure. Synopsis#include <tk.h> int Tk_GetDash(interp, string, dashPtr)ArgumentsTcl_Interp *interp (in) Interpreter to use for error reporting. const char * string (in) Textual value to be converted. Tk_Dash *dashPtr (out) Points to place to store the dash pattern value converted from string. DescriptionThese procedure parses the string and fills…

Tk_AllocCursorFromObj, Tk_GetCursor, Tk_GetCursorFromObj, Tk_GetCursorFromData, Tk_NameOfCursor, Tk_FreeCursorFromObj, Tk_FreeCursor – maintain database of cursors Synopsis#include <tk.h> Tk_Cursor Tk_AllocCursorFromObj(interp, tkwin, objPtr) Tk_Cursor Tk_GetCursor(interp, tkwin, name) Tk_Cursor Tk_GetCursorFromObj(tkwin, objPtr) Tk_Cursor Tk_GetCursorFromData(interp, tkwin, source, mask, width, height, xHot, yHot, fg, bg) const char * Tk_NameOfCursor(display, cursor) Tk_FreeCursorFromObj(tkwin, objPtr) Tk_FreeCursor(display, cursor)ArgumentsTcl_Interp *interp (in) Interpreter to use for error reporting. Tk_Window tkwin…

Tk_AllocCursorFromObj, Tk_GetCursor, Tk_GetCursorFromObj, Tk_GetCursorFromData, Tk_NameOfCursor, Tk_FreeCursorFromObj, Tk_FreeCursor – maintain database of cursors Synopsis#include <tk.h> Tk_Cursor Tk_AllocCursorFromObj(interp, tkwin, objPtr) Tk_Cursor Tk_GetCursor(interp, tkwin, name) Tk_Cursor Tk_GetCursorFromObj(tkwin, objPtr) Tk_Cursor Tk_GetCursorFromData(interp, tkwin, source, mask, width, height, xHot, yHot, fg, bg) const char * Tk_NameOfCursor(display, cursor) Tk_FreeCursorFromObj(tkwin, objPtr) Tk_FreeCursor(display, cursor)ArgumentsTcl_Interp *interp (in) Interpreter to use for error reporting. Tk_Window tkwin…

Tk_AllocCursorFromObj, Tk_GetCursor, Tk_GetCursorFromObj, Tk_GetCursorFromData, Tk_NameOfCursor, Tk_FreeCursorFromObj, Tk_FreeCursor – maintain database of cursors Synopsis#include <tk.h> Tk_Cursor Tk_AllocCursorFromObj(interp, tkwin, objPtr) Tk_Cursor Tk_GetCursor(interp, tkwin, name) Tk_Cursor Tk_GetCursorFromObj(tkwin, objPtr) Tk_Cursor Tk_GetCursorFromData(interp, tkwin, source, mask, width, height, xHot, yHot, fg, bg) const char * Tk_NameOfCursor(display, cursor) Tk_FreeCursorFromObj(tkwin, objPtr) Tk_FreeCursor(display, cursor)ArgumentsTcl_Interp *interp (in) Interpreter to use for error reporting. Tk_Window tkwin…