Linux Manuals session 3

Tk_ComputeTextLayout, Tk_FreeTextLayout, Tk_DrawTextLayout, Tk_UnderlineTextLayout, Tk_PointToChar, Tk_CharBbox, Tk_DistanceToTextLayout, Tk_IntersectTextLayout, Tk_TextLayoutToPostscript – routines to measure and display single-font, multi-line, justified text. Synopsis#include <tk.h> Tk_TextLayout Tk_ComputeTextLayout(tkfont, string, numChars, wrapLength, justify, flags, widthPtr, heightPtr) void Tk_FreeTextLayout(layout) void Tk_DrawTextLayout(display, drawable, gc, layout, x, y, firstChar, lastChar) void Tk_UnderlineTextLayout(display, drawable, gc, layout, x, y, underline) int Tk_PointToChar(layout, x, y) int Tk_CharBbox(layout,…

Tk_WindowId, Tk_Parent, Tk_Display, Tk_DisplayName, Tk_ScreenNumber, Tk_Screen, Tk_X, Tk_Y, Tk_Width, Tk_Height, Tk_Changes, Tk_Attributes, Tk_IsContainer, Tk_IsEmbedded, Tk_IsMapped, Tk_IsTopLevel, Tk_ReqWidth, Tk_ReqHeight, Tk_MinReqWidth, Tk_MinReqHeight, Tk_InternalBorderLeft, Tk_InternalBorderRight, Tk_InternalBorderTop, Tk_InternalBorderBottom, Tk_Visual, Tk_Depth, Tk_Colormap, Tk_Interp – retrieve information from Tk’s local data structure Synopsis#include <tk.h> Window Tk_WindowId(tkwin) Tk_Window Tk_Parent(tkwin) Display * Tk_Display(tkwin) const char * Tk_DisplayName(tkwin) int Tk_ScreenNumber(tkwin) Screen * Tk_Screen(tkwin) int…

Tk_WindowId, Tk_Parent, Tk_Display, Tk_DisplayName, Tk_ScreenNumber, Tk_Screen, Tk_X, Tk_Y, Tk_Width, Tk_Height, Tk_Changes, Tk_Attributes, Tk_IsContainer, Tk_IsEmbedded, Tk_IsMapped, Tk_IsTopLevel, Tk_ReqWidth, Tk_ReqHeight, Tk_MinReqWidth, Tk_MinReqHeight, Tk_InternalBorderLeft, Tk_InternalBorderRight, Tk_InternalBorderTop, Tk_InternalBorderBottom, Tk_Visual, Tk_Depth, Tk_Colormap, Tk_Interp – retrieve information from Tk’s local data structure Synopsis#include <tk.h> Window Tk_WindowId(tkwin) Tk_Window Tk_Parent(tkwin) Display * Tk_Display(tkwin) const char * Tk_DisplayName(tkwin) int Tk_ScreenNumber(tkwin) Screen * Tk_Screen(tkwin) int…

Tk_WindowId, Tk_Parent, Tk_Display, Tk_DisplayName, Tk_ScreenNumber, Tk_Screen, Tk_X, Tk_Y, Tk_Width, Tk_Height, Tk_Changes, Tk_Attributes, Tk_IsContainer, Tk_IsEmbedded, Tk_IsMapped, Tk_IsTopLevel, Tk_ReqWidth, Tk_ReqHeight, Tk_MinReqWidth, Tk_MinReqHeight, Tk_InternalBorderLeft, Tk_InternalBorderRight, Tk_InternalBorderTop, Tk_InternalBorderBottom, Tk_Visual, Tk_Depth, Tk_Colormap, Tk_Interp – retrieve information from Tk’s local data structure Synopsis#include <tk.h> Window Tk_WindowId(tkwin) Tk_Window Tk_Parent(tkwin) Display * Tk_Display(tkwin) const char * Tk_DisplayName(tkwin) int Tk_ScreenNumber(tkwin) Screen * Tk_Screen(tkwin) int…

Tk_WindowId, Tk_Parent, Tk_Display, Tk_DisplayName, Tk_ScreenNumber, Tk_Screen, Tk_X, Tk_Y, Tk_Width, Tk_Height, Tk_Changes, Tk_Attributes, Tk_IsContainer, Tk_IsEmbedded, Tk_IsMapped, Tk_IsTopLevel, Tk_ReqWidth, Tk_ReqHeight, Tk_MinReqWidth, Tk_MinReqHeight, Tk_InternalBorderLeft, Tk_InternalBorderRight, Tk_InternalBorderTop, Tk_InternalBorderBottom, Tk_Visual, Tk_Depth, Tk_Colormap, Tk_Interp – retrieve information from Tk’s local data structure Synopsis#include <tk.h> Window Tk_WindowId(tkwin) Tk_Window Tk_Parent(tkwin) Display * Tk_Display(tkwin) const char * Tk_DisplayName(tkwin) int Tk_ScreenNumber(tkwin) Screen * Tk_Screen(tkwin) int…

Tk_WindowId, Tk_Parent, Tk_Display, Tk_DisplayName, Tk_ScreenNumber, Tk_Screen, Tk_X, Tk_Y, Tk_Width, Tk_Height, Tk_Changes, Tk_Attributes, Tk_IsContainer, Tk_IsEmbedded, Tk_IsMapped, Tk_IsTopLevel, Tk_ReqWidth, Tk_ReqHeight, Tk_MinReqWidth, Tk_MinReqHeight, Tk_InternalBorderLeft, Tk_InternalBorderRight, Tk_InternalBorderTop, Tk_InternalBorderBottom, Tk_Visual, Tk_Depth, Tk_Colormap, Tk_Interp – retrieve information from Tk’s local data structure Synopsis#include <tk.h> Window Tk_WindowId(tkwin) Tk_Window Tk_Parent(tkwin) Display * Tk_Display(tkwin) const char * Tk_DisplayName(tkwin) int Tk_ScreenNumber(tkwin) Screen * Tk_Screen(tkwin) int…

Tk_WindowId, Tk_Parent, Tk_Display, Tk_DisplayName, Tk_ScreenNumber, Tk_Screen, Tk_X, Tk_Y, Tk_Width, Tk_Height, Tk_Changes, Tk_Attributes, Tk_IsContainer, Tk_IsEmbedded, Tk_IsMapped, Tk_IsTopLevel, Tk_ReqWidth, Tk_ReqHeight, Tk_MinReqWidth, Tk_MinReqHeight, Tk_InternalBorderLeft, Tk_InternalBorderRight, Tk_InternalBorderTop, Tk_InternalBorderBottom, Tk_Visual, Tk_Depth, Tk_Colormap, Tk_Interp – retrieve information from Tk’s local data structure Synopsis#include <tk.h> Window Tk_WindowId(tkwin) Tk_Window Tk_Parent(tkwin) Display * Tk_Display(tkwin) const char * Tk_DisplayName(tkwin) int Tk_ScreenNumber(tkwin) Screen * Tk_Screen(tkwin) int…

Tk_WindowId, Tk_Parent, Tk_Display, Tk_DisplayName, Tk_ScreenNumber, Tk_Screen, Tk_X, Tk_Y, Tk_Width, Tk_Height, Tk_Changes, Tk_Attributes, Tk_IsContainer, Tk_IsEmbedded, Tk_IsMapped, Tk_IsTopLevel, Tk_ReqWidth, Tk_ReqHeight, Tk_MinReqWidth, Tk_MinReqHeight, Tk_InternalBorderLeft, Tk_InternalBorderRight, Tk_InternalBorderTop, Tk_InternalBorderBottom, Tk_Visual, Tk_Depth, Tk_Colormap, Tk_Interp – retrieve information from Tk’s local data structure Synopsis#include <tk.h> Window Tk_WindowId(tkwin) Tk_Window Tk_Parent(tkwin) Display * Tk_Display(tkwin) const char * Tk_DisplayName(tkwin) int Tk_ScreenNumber(tkwin) Screen * Tk_Screen(tkwin) int…

Tk_InternAtom, Tk_GetAtomName – manage cache of X atoms Synopsis#include <tk.h> Atom Tk_InternAtom(tkwin, name) const char * Tk_GetAtomName(tkwin, atom)ArgumentsTk_Window tkwin (in) Token for window. Used to map atom or name relative to a particular display. const char *name (in) String name for which atom is desired. Atom atom (in) Atom for which corresponding string name is…

Tk_InitStubs – initialize the Tk stubs mechanism Synopsis#include <tk.h> const char * Tk_InitStubs(interp, version, exact)ArgumentsTcl_Interp *interp (in) Tcl interpreter handle. char *version (in) A version string consisting of one or more decimal numbers separated by dots. int exact (in) Non-zero means that only the particular Tk version specified by version is acceptable. Zero means that…

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_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_InitConsoleChannels – Install the console channels as standard channels Synopsis#include <tk.h> Tk_InitConsoleChannels(interp)ArgumentsTcl_Interp *interp (in) Interpreter in which the console channels are created. DescriptionTk_InitConsoleChannels is invoked to create a set of console channels and install them as the standard channels. All I/O on these channels will be discarded until Tk_CreateConsoleWindow is called to attach the console…

Tk_Init, Tk_SafeInit – add Tk to an interpreter and make a new Tk application. Synopsis#include <tk.h> int Tk_Init(interp) int Tk_SafeInit(interp)ArgumentsTcl_Interp *interp (in) Interpreter in which to load Tk. Tk should not already be loaded in this interpreter. DescriptionTk_Init is the package initialization procedure for Tk. It is normally invoked by the Tcl_AppInit procedure for an…

Tk_ImageChanged – notify widgets that image needs to be redrawn Synopsis#include <tk.h> Tk_ImageChanged(imageMaster, x, y, width, height, imageWidth, imageHeight)ArgumentsTk_ImageMaster imageMaster (in) Token for image, which was passed to image’s createProc when the image was created. int x (in) X-coordinate of upper-left corner of region that needs redisplay (measured from upper-left corner of image). int y…

Tk_IdToWindow – Find Tk’s window information for an X window Synopsis#include <tk.h> Tk_Window Tk_IdToWindow(display, window)ArgumentsDisplay *display (in) X display containing the window. Window window (in) X id for window. DescriptionGiven an X window identifier and the X display it corresponds to, this procedure returns the corresponding Tk_Window handle. If there is no Tk_Window corresponding to…

Tk_WindowId, Tk_Parent, Tk_Display, Tk_DisplayName, Tk_ScreenNumber, Tk_Screen, Tk_X, Tk_Y, Tk_Width, Tk_Height, Tk_Changes, Tk_Attributes, Tk_IsContainer, Tk_IsEmbedded, Tk_IsMapped, Tk_IsTopLevel, Tk_ReqWidth, Tk_ReqHeight, Tk_MinReqWidth, Tk_MinReqHeight, Tk_InternalBorderLeft, Tk_InternalBorderRight, Tk_InternalBorderTop, Tk_InternalBorderBottom, Tk_Visual, Tk_Depth, Tk_Colormap, Tk_Interp – retrieve information from Tk’s local data structure Synopsis#include <tk.h> Window Tk_WindowId(tkwin) Tk_Window Tk_Parent(tkwin) Display * Tk_Display(tkwin) const char * Tk_DisplayName(tkwin) int Tk_ScreenNumber(tkwin) Screen * Tk_Screen(tkwin) int…

Tk_HandleEvent – invoke event handlers for window system events Synopsis#include <tk.h> Tk_HandleEvent(eventPtr)ArgumentsXEvent *eventPtr (in) Pointer to X event to dispatch to relevant handler(s). It is important that all unused fields of the structure be set to zero. DescriptionTk_HandleEvent is a lower-level procedure that deals with window events. It is called by Tcl_ServiceEvent (and indirectly by…

Tk_HWNDToWindow – Find Tk’s window information for a Windows window Synopsis#include <tkPlatDecls.h> Tk_Window Tk_HWNDToWindow(hwnd)ArgumentsHWND hwnd (in) Windows handle for the window. DescriptionGiven a Windows HWND window identifier, this procedure returns the corresponding Tk_Window handle. If there is no Tk_Window corresponding to hwnd then NULL is returned. KeywordsWindows window id

Tk_Grab, Tk_Ungrab – manipulate grab state in an application Synopsis#include <tk.h> int Tk_Grab(interp, tkwin, grabGlobal) void Tk_Ungrab(tkwin)ArgumentsTcl_Interp *interp (in) Interpreter to use for error reporting Tk_Window tkwin (in) Window on whose behalf the pointer is to be grabbed or released int grabGlobal (in) Boolean indicating whether the grab is global or application local DescriptionThese functions…