2869 lines
81 KiB
C
2869 lines
81 KiB
C
/*
|
||
* tkWindow.c --
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*
|
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* This file provides basic window-manipulation procedures,
|
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* which are equivalent to procedures in Xlib (and even
|
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* invoke them) but also maintain the local Tk_Window
|
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* structure.
|
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*
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* Copyright (c) 1989-1994 The Regents of the University of California.
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* Copyright (c) 1994-1997 Sun Microsystems, Inc.
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*
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* See the file "license.terms" for information on usage and redistribution
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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*
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* SCCS: @(#) tkWindow.c 1.233 97/10/31 09:55:23
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*/
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#include "tkPort.h"
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#include "tkInt.h"
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/*
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* Count of number of main windows currently open in this process.
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*/
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static int numMainWindows;
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||
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/*
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* First in list of all main windows managed by this process.
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*/
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TkMainInfo *tkMainWindowList = NULL;
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/*
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* List of all displays currently in use.
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*/
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TkDisplay *tkDisplayList = NULL;
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/*
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* Have statics in this module been initialized?
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*/
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static int initialized = 0;
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/*
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* The variables below hold several uid's that are used in many places
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* in the toolkit.
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*/
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Tk_Uid tkDisabledUid = NULL;
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Tk_Uid tkActiveUid = NULL;
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Tk_Uid tkNormalUid = NULL;
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/*
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* Default values for "changes" and "atts" fields of TkWindows. Note
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* that Tk always requests all events for all windows, except StructureNotify
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* events on internal windows: these events are generated internally.
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*/
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static XWindowChanges defChanges = {
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0, 0, 1, 1, 0, 0, Above
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};
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#define ALL_EVENTS_MASK \
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KeyPressMask|KeyReleaseMask|ButtonPressMask|ButtonReleaseMask| \
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EnterWindowMask|LeaveWindowMask|PointerMotionMask|ExposureMask| \
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VisibilityChangeMask|PropertyChangeMask|ColormapChangeMask
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static XSetWindowAttributes defAtts= {
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None, /* background_pixmap */
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0, /* background_pixel */
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CopyFromParent, /* border_pixmap */
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0, /* border_pixel */
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NorthWestGravity, /* bit_gravity */
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NorthWestGravity, /* win_gravity */
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NotUseful, /* backing_store */
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(unsigned) ~0, /* backing_planes */
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0, /* backing_pixel */
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False, /* save_under */
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ALL_EVENTS_MASK, /* event_mask */
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0, /* do_not_propagate_mask */
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False, /* override_redirect */
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CopyFromParent, /* colormap */
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None /* cursor */
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};
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/*
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* The following structure defines all of the commands supported by
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* Tk, and the C procedures that execute them.
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*/
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typedef struct {
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char *name; /* Name of command. */
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Tcl_CmdProc *cmdProc; /* Command's string-based procedure. */
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Tcl_ObjCmdProc *objProc; /* Command's object-based procedure. */
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int isSafe; /* If !0, this command will be exposed in
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* a safe interpreter. Otherwise it will be
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* hidden in a safe interpreter. */
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} TkCmd;
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static TkCmd commands[] = {
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/*
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* Commands that are part of the intrinsics:
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*/
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{"bell", Tk_BellCmd, NULL, 0},
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{"bind", Tk_BindCmd, NULL, 1},
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{"bindtags", Tk_BindtagsCmd, NULL, 1},
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{"clipboard", Tk_ClipboardCmd, NULL, 0},
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{"destroy", Tk_DestroyCmd, NULL, 1},
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{"event", Tk_EventCmd, NULL, 1},
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{"focus", Tk_FocusCmd, NULL, 1},
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{"font", NULL, Tk_FontObjCmd, 1},
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{"grab", Tk_GrabCmd, NULL, 0},
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{"grid", Tk_GridCmd, NULL, 1},
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{"image", Tk_ImageCmd, NULL, 1},
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{"lower", Tk_LowerCmd, NULL, 1},
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{"option", Tk_OptionCmd, NULL, 1},
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{"pack", Tk_PackCmd, NULL, 1},
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{"place", Tk_PlaceCmd, NULL, 1},
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{"raise", Tk_RaiseCmd, NULL, 1},
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{"selection", Tk_SelectionCmd, NULL, 0},
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{"tk", NULL, Tk_TkObjCmd, 0},
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{"tkwait", Tk_TkwaitCmd, NULL, 1},
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#ifdef SCM_CODE
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# ifdef WIN32
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/* Native support */
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{"tk:choose-color", Tk_ChooseColorCmd, NULL, 0},
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{"tk:get-open-file",Tk_GetOpenFileCmd, NULL, 0},
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{"tk:get-save-file",Tk_GetSaveFileCmd, NULL, 0},
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{"tk:message-box", Tk_MessageBoxCmd, NULL, 0},
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# endif
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#else
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{"tk_chooseColor", Tk_ChooseColorCmd, NULL, 0},
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{"tk_getOpenFile", Tk_GetOpenFileCmd, NULL, 0},
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{"tk_getSaveFile", Tk_GetSaveFileCmd, NULL, 0},
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{"tk_messageBox", Tk_MessageBoxCmd, NULL, 0},
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#endif
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{"update", Tk_UpdateCmd, NULL, 1},
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{"winfo", NULL, Tk_WinfoObjCmd, 1},
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{"wm", Tk_WmCmd, NULL, 0},
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/*
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* Widget class commands.
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*/
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{"button", Tk_ButtonCmd, NULL, 1},
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{"canvas", Tk_CanvasCmd, NULL, 1},
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{"checkbutton", Tk_CheckbuttonCmd, NULL, 1},
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{"entry", Tk_EntryCmd, NULL, 1},
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{"frame", Tk_FrameCmd, NULL, 1},
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{"label", Tk_LabelCmd, NULL, 1},
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{"listbox", Tk_ListboxCmd, NULL, 1},
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{"menu", Tk_MenuCmd, NULL, 0},
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{"menubutton", Tk_MenubuttonCmd, NULL, 1},
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{"message", Tk_MessageCmd, NULL, 1},
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{"radiobutton", Tk_RadiobuttonCmd, NULL, 1},
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{"scale", Tk_ScaleCmd, NULL, 1},
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{"scrollbar", Tk_ScrollbarCmd, NULL, 1},
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{"text", Tk_TextCmd, NULL, 1},
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{"toplevel", Tk_ToplevelCmd, NULL, 0},
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/*
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* Misc.
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*/
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#ifdef MAC_TCL
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{"unsupported1", TkUnsupported1Cmd, NULL, 1},
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#endif
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{(char *) NULL, (int (*) _ANSI_ARGS_((ClientData, Tcl_Interp *, int, char **))) NULL, NULL, 0}
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};
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#ifndef SCM_CODE
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/*
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* The variables and table below are used to parse arguments from
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* the "argv" variable in Tk_Init.
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*/
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static int synchronize = 0;
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static char *name = NULL;
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static char *display = NULL;
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static char *geometry = NULL;
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static char *colormap = NULL;
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static char *use = NULL;
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static char *visual = NULL;
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static int rest = 0;
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static Tk_ArgvInfo argTable[] = {
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{"-colormap", TK_ARGV_STRING, (char *) NULL, (char *) &colormap,
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"Colormap for main window"},
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{"-display", TK_ARGV_STRING, (char *) NULL, (char *) &display,
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"Display to use"},
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{"-geometry", TK_ARGV_STRING, (char *) NULL, (char *) &geometry,
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"Initial geometry for window"},
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{"-name", TK_ARGV_STRING, (char *) NULL, (char *) &name,
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"Name to use for application"},
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{"-sync", TK_ARGV_CONSTANT, (char *) 1, (char *) &synchronize,
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"Use synchronous mode for display server"},
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{"-visual", TK_ARGV_STRING, (char *) NULL, (char *) &visual,
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"Visual for main window"},
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{"-use", TK_ARGV_STRING, (char *) NULL, (char *) &use,
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"Id of window in which to embed application"},
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{"--", TK_ARGV_REST, (char *) 1, (char *) &rest,
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"Pass all remaining arguments through to script"},
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{(char *) NULL, TK_ARGV_END, (char *) NULL, (char *) NULL,
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(char *) NULL}
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};
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#endif
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/*
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* Forward declarations to procedures defined later in this file:
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*/
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static Tk_Window CreateTopLevelWindow _ANSI_ARGS_((Tcl_Interp *interp,
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Tk_Window parent, char *name, char *screenName));
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static void DeleteWindowsExitProc _ANSI_ARGS_((
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ClientData clientData));
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static TkDisplay * GetScreen _ANSI_ARGS_((Tcl_Interp *interp,
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char *screenName, int *screenPtr));
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#ifndef SCM_CODE
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static int Initialize _ANSI_ARGS_((Tcl_Interp *interp));
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#endif
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static int NameWindow _ANSI_ARGS_((Tcl_Interp *interp,
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TkWindow *winPtr, TkWindow *parentPtr,
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char *name));
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static void OpenIM _ANSI_ARGS_((TkDisplay *dispPtr));
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static void UnlinkWindow _ANSI_ARGS_((TkWindow *winPtr));
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/*
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*----------------------------------------------------------------------
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*
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* CreateTopLevelWindow --
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*
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* Make a new window that will be at top-level (its parent will
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* be the root window of a screen).
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*
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* Results:
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* The return value is a token for the new window, or NULL if
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* an error prevented the new window from being created. If
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* NULL is returned, an error message will be left in
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* interp->result.
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*
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* Side effects:
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* A new window structure is allocated locally. An X
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* window is NOT initially created, but will be created
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* the first time the window is mapped.
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*
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*----------------------------------------------------------------------
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*/
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static Tk_Window
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CreateTopLevelWindow(interp, parent, name, screenName)
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Tcl_Interp *interp; /* Interpreter to use for error reporting. */
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Tk_Window parent; /* Token for logical parent of new window
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* (used for naming, options, etc.). May
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* be NULL. */
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char *name; /* Name for new window; if parent is
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* non-NULL, must be unique among parent's
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* children. */
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char *screenName; /* Name of screen on which to create
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* window. NULL means use DISPLAY environment
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* variable to determine. Empty string means
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* use parent's screen, or DISPLAY if no
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* parent. */
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{
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register TkWindow *winPtr;
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register TkDisplay *dispPtr;
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int screenId;
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if (!initialized) {
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initialized = 1;
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tkActiveUid = Tk_GetUid("active");
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tkDisabledUid = Tk_GetUid("disabled");
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tkNormalUid = Tk_GetUid("normal");
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/*
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* Create built-in image types.
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*/
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Tk_CreateImageType(&tkBitmapImageType);
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Tk_CreateImageType(&tkPhotoImageType);
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/*
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* Create built-in photo image formats.
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*/
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Tk_CreatePhotoImageFormat(&tkImgFmtGIF);
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Tk_CreatePhotoImageFormat(&tkImgFmtPPM);
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/*
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* Create exit handler to delete all windows when the application
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* exits.
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*/
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Tcl_CreateExitHandler(DeleteWindowsExitProc, (ClientData) NULL);
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}
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if ((parent != NULL) && (screenName != NULL) && (screenName[0] == '\0')) {
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dispPtr = ((TkWindow *) parent)->dispPtr;
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screenId = Tk_ScreenNumber(parent);
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} else {
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dispPtr = GetScreen(interp, screenName, &screenId);
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if (dispPtr == NULL) {
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return (Tk_Window) NULL;
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||
}
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}
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winPtr = TkAllocWindow(dispPtr, screenId, (TkWindow *) parent);
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/*
|
||
* Force the window to use a border pixel instead of border pixmap.
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* This is needed for the case where the window doesn't use the
|
||
* default visual. In this case, the default border is a pixmap
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* inherited from the root window, which won't work because it will
|
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* have the wrong visual.
|
||
*/
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||
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winPtr->dirtyAtts |= CWBorderPixel;
|
||
|
||
/*
|
||
* (Need to set the TK_TOP_LEVEL flag immediately here; otherwise
|
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* Tk_DestroyWindow will core dump if it is called before the flag
|
||
* has been set.)
|
||
*/
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||
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winPtr->flags |= TK_TOP_LEVEL;
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if (parent != NULL) {
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if (NameWindow(interp, winPtr, (TkWindow *) parent, name) != TCL_OK) {
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Tk_DestroyWindow((Tk_Window) winPtr);
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return (Tk_Window) NULL;
|
||
}
|
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}
|
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TkWmNewWindow(winPtr);
|
||
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return (Tk_Window) winPtr;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* GetScreen --
|
||
*
|
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* Given a string name for a display-plus-screen, find the
|
||
* TkDisplay structure for the display and return the screen
|
||
* number too.
|
||
*
|
||
* Results:
|
||
* The return value is a pointer to information about the display,
|
||
* or NULL if the display couldn't be opened. In this case, an
|
||
* error message is left in interp->result. The location at
|
||
* *screenPtr is overwritten with the screen number parsed from
|
||
* screenName.
|
||
*
|
||
* Side effects:
|
||
* A new connection is opened to the display if there is no
|
||
* connection already. A new TkDisplay data structure is also
|
||
* setup, if necessary.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
static TkDisplay *
|
||
GetScreen(interp, screenName, screenPtr)
|
||
Tcl_Interp *interp; /* Place to leave error message. */
|
||
char *screenName; /* Name for screen. NULL or empty means
|
||
* use DISPLAY envariable. */
|
||
int *screenPtr; /* Where to store screen number. */
|
||
{
|
||
register TkDisplay *dispPtr;
|
||
char *p;
|
||
int screenId;
|
||
size_t length;
|
||
|
||
/*
|
||
* Separate the screen number from the rest of the display
|
||
* name. ScreenName is assumed to have the syntax
|
||
* <display>.<screen> with the dot and the screen being
|
||
* optional.
|
||
*/
|
||
|
||
screenName = TkGetDefaultScreenName(interp, screenName);
|
||
if (screenName == NULL) {
|
||
interp->result =
|
||
"no display name and no $DISPLAY environment variable";
|
||
return (TkDisplay *) NULL;
|
||
}
|
||
length = strlen(screenName);
|
||
screenId = 0;
|
||
p = screenName+length-1;
|
||
while (isdigit(UCHAR(*p)) && (p != screenName)) {
|
||
p--;
|
||
}
|
||
if ((*p == '.') && (p[1] != '\0')) {
|
||
length = p - screenName;
|
||
screenId = strtoul(p+1, (char **) NULL, 10);
|
||
}
|
||
|
||
/*
|
||
* See if we already have a connection to this display. If not,
|
||
* then open a new connection.
|
||
*/
|
||
|
||
for (dispPtr = tkDisplayList; ; dispPtr = dispPtr->nextPtr) {
|
||
if (dispPtr == NULL) {
|
||
dispPtr = TkpOpenDisplay(screenName);
|
||
if (dispPtr == NULL) {
|
||
Tcl_AppendResult(interp, "couldn't connect to display \"",
|
||
screenName, "\"", (char *) NULL);
|
||
return (TkDisplay *) NULL;
|
||
}
|
||
dispPtr->nextPtr = tkDisplayList;
|
||
dispPtr->name = (char *) ckalloc((unsigned) (length+1));
|
||
dispPtr->lastEventTime = CurrentTime;
|
||
strncpy(dispPtr->name, screenName, length);
|
||
dispPtr->name[length] = '\0';
|
||
dispPtr->bindInfoStale = 1;
|
||
dispPtr->modeModMask = 0;
|
||
dispPtr->metaModMask = 0;
|
||
dispPtr->altModMask = 0;
|
||
dispPtr->numModKeyCodes = 0;
|
||
dispPtr->modKeyCodes = NULL;
|
||
OpenIM(dispPtr);
|
||
dispPtr->errorPtr = NULL;
|
||
dispPtr->deleteCount = 0;
|
||
dispPtr->commTkwin = NULL;
|
||
dispPtr->selectionInfoPtr = NULL;
|
||
dispPtr->multipleAtom = None;
|
||
dispPtr->clipWindow = NULL;
|
||
dispPtr->clipboardActive = 0;
|
||
dispPtr->clipboardAppPtr = NULL;
|
||
dispPtr->clipTargetPtr = NULL;
|
||
dispPtr->atomInit = 0;
|
||
dispPtr->cursorFont = None;
|
||
dispPtr->grabWinPtr = NULL;
|
||
dispPtr->eventualGrabWinPtr = NULL;
|
||
dispPtr->buttonWinPtr = NULL;
|
||
dispPtr->serverWinPtr = NULL;
|
||
dispPtr->firstGrabEventPtr = NULL;
|
||
dispPtr->lastGrabEventPtr = NULL;
|
||
dispPtr->grabFlags = 0;
|
||
TkInitXId(dispPtr);
|
||
dispPtr->destroyCount = 0;
|
||
dispPtr->lastDestroyRequest = 0;
|
||
dispPtr->cmapPtr = NULL;
|
||
dispPtr->implicitWinPtr = NULL;
|
||
dispPtr->focusPtr = NULL;
|
||
dispPtr->stressPtr = NULL;
|
||
dispPtr->delayedMotionPtr = NULL;
|
||
Tcl_InitHashTable(&dispPtr->winTable, TCL_ONE_WORD_KEYS);
|
||
dispPtr->refCount = 0;
|
||
|
||
tkDisplayList = dispPtr;
|
||
break;
|
||
}
|
||
if ((strncmp(dispPtr->name, screenName, length) == 0)
|
||
&& (dispPtr->name[length] == '\0')) {
|
||
break;
|
||
}
|
||
}
|
||
if (screenId >= ScreenCount(dispPtr->display)) {
|
||
sprintf(interp->result, "bad screen number \"%d\"", screenId);
|
||
return (TkDisplay *) NULL;
|
||
}
|
||
*screenPtr = screenId;
|
||
return dispPtr;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TkGetDisplay --
|
||
*
|
||
* Given an X display, TkGetDisplay returns the TkDisplay
|
||
* structure for the display.
|
||
*
|
||
* Results:
|
||
* The return value is a pointer to information about the display,
|
||
* or NULL if the display did not have a TkDisplay structure.
|
||
*
|
||
* Side effects:
|
||
* None.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
TkDisplay *
|
||
TkGetDisplay(display)
|
||
Display *display; /* X's display pointer */
|
||
{
|
||
TkDisplay *dispPtr;
|
||
|
||
for (dispPtr = tkDisplayList; dispPtr != NULL;
|
||
dispPtr = dispPtr->nextPtr) {
|
||
if (dispPtr->display == display) {
|
||
break;
|
||
}
|
||
}
|
||
return dispPtr;
|
||
}
|
||
|
||
/*
|
||
*--------------------------------------------------------------
|
||
*
|
||
* TkAllocWindow --
|
||
*
|
||
* This procedure creates and initializes a TkWindow structure.
|
||
*
|
||
* Results:
|
||
* The return value is a pointer to the new window.
|
||
*
|
||
* Side effects:
|
||
* A new window structure is allocated and all its fields are
|
||
* initialized.
|
||
*
|
||
*--------------------------------------------------------------
|
||
*/
|
||
|
||
TkWindow *
|
||
TkAllocWindow(dispPtr, screenNum, parentPtr)
|
||
TkDisplay *dispPtr; /* Display associated with new window. */
|
||
int screenNum; /* Index of screen for new window. */
|
||
TkWindow *parentPtr; /* Parent from which this window should
|
||
* inherit visual information. NULL means
|
||
* use screen defaults instead of
|
||
* inheriting. */
|
||
{
|
||
register TkWindow *winPtr;
|
||
|
||
winPtr = (TkWindow *) ckalloc(sizeof(TkWindow));
|
||
winPtr->display = dispPtr->display;
|
||
winPtr->dispPtr = dispPtr;
|
||
winPtr->screenNum = screenNum;
|
||
if ((parentPtr != NULL) && (parentPtr->display == winPtr->display)
|
||
&& (parentPtr->screenNum == winPtr->screenNum)) {
|
||
winPtr->visual = parentPtr->visual;
|
||
winPtr->depth = parentPtr->depth;
|
||
} else {
|
||
winPtr->visual = DefaultVisual(dispPtr->display, screenNum);
|
||
winPtr->depth = DefaultDepth(dispPtr->display, screenNum);
|
||
}
|
||
winPtr->window = None;
|
||
winPtr->childList = NULL;
|
||
winPtr->lastChildPtr = NULL;
|
||
winPtr->parentPtr = NULL;
|
||
winPtr->nextPtr = NULL;
|
||
winPtr->mainPtr = NULL;
|
||
winPtr->pathName = NULL;
|
||
winPtr->nameUid = NULL;
|
||
winPtr->classUid = NULL;
|
||
winPtr->changes = defChanges;
|
||
winPtr->dirtyChanges = CWX|CWY|CWWidth|CWHeight|CWBorderWidth;
|
||
winPtr->atts = defAtts;
|
||
if ((parentPtr != NULL) && (parentPtr->display == winPtr->display)
|
||
&& (parentPtr->screenNum == winPtr->screenNum)) {
|
||
winPtr->atts.colormap = parentPtr->atts.colormap;
|
||
} else {
|
||
winPtr->atts.colormap = DefaultColormap(dispPtr->display, screenNum);
|
||
}
|
||
winPtr->dirtyAtts = CWEventMask|CWColormap|CWBitGravity;
|
||
winPtr->flags = 0;
|
||
winPtr->handlerList = NULL;
|
||
#ifdef TK_USE_INPUT_METHODS
|
||
winPtr->inputContext = NULL;
|
||
#endif /* TK_USE_INPUT_METHODS */
|
||
winPtr->tagPtr = NULL;
|
||
winPtr->numTags = 0;
|
||
winPtr->optionLevel = -1;
|
||
winPtr->selHandlerList = NULL;
|
||
winPtr->geomMgrPtr = NULL;
|
||
winPtr->geomData = NULL;
|
||
winPtr->reqWidth = winPtr->reqHeight = 1;
|
||
winPtr->internalBorderWidth = 0;
|
||
winPtr->wmInfoPtr = NULL;
|
||
winPtr->classProcsPtr = NULL;
|
||
winPtr->instanceData = NULL;
|
||
winPtr->privatePtr = NULL;
|
||
|
||
return winPtr;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* NameWindow --
|
||
*
|
||
* This procedure is invoked to give a window a name and insert
|
||
* the window into the hierarchy associated with a particular
|
||
* application.
|
||
*
|
||
* Results:
|
||
* A standard Tcl return value.
|
||
*
|
||
* Side effects:
|
||
* See above.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
static int
|
||
NameWindow(interp, winPtr, parentPtr, name)
|
||
Tcl_Interp *interp; /* Interpreter to use for error reporting. */
|
||
register TkWindow *winPtr; /* Window that is to be named and inserted. */
|
||
TkWindow *parentPtr; /* Pointer to logical parent for winPtr
|
||
* (used for naming, options, etc.). */
|
||
char *name; /* Name for winPtr; must be unique among
|
||
* parentPtr's children. */
|
||
{
|
||
#define FIXED_SIZE 200
|
||
char staticSpace[FIXED_SIZE];
|
||
char *pathName;
|
||
int new;
|
||
Tcl_HashEntry *hPtr;
|
||
int length1, length2;
|
||
|
||
/*
|
||
* Setup all the stuff except name right away, then do the name stuff
|
||
* last. This is so that if the name stuff fails, everything else
|
||
* will be properly initialized (needed to destroy the window cleanly
|
||
* after the naming failure).
|
||
*/
|
||
winPtr->parentPtr = parentPtr;
|
||
winPtr->nextPtr = NULL;
|
||
if (parentPtr->childList == NULL) {
|
||
parentPtr->childList = winPtr;
|
||
} else {
|
||
parentPtr->lastChildPtr->nextPtr = winPtr;
|
||
}
|
||
parentPtr->lastChildPtr = winPtr;
|
||
winPtr->mainPtr = parentPtr->mainPtr;
|
||
winPtr->mainPtr->refCount++;
|
||
winPtr->nameUid = Tk_GetUid(name);
|
||
|
||
/*
|
||
* Don't permit names that start with an upper-case letter: this
|
||
* will just cause confusion with class names in the option database.
|
||
*/
|
||
|
||
if (isupper(UCHAR(name[0]))) {
|
||
Tcl_AppendResult(interp,
|
||
"window name starts with an upper-case letter: \"",
|
||
name, "\"", (char *) NULL);
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
/*
|
||
* To permit names of arbitrary length, must be prepared to malloc
|
||
* a buffer to hold the new path name. To run fast in the common
|
||
* case where names are short, use a fixed-size buffer on the
|
||
* stack.
|
||
*/
|
||
|
||
length1 = strlen(parentPtr->pathName);
|
||
length2 = strlen(name);
|
||
if ((length1+length2+2) <= FIXED_SIZE) {
|
||
pathName = staticSpace;
|
||
} else {
|
||
pathName = (char *) ckalloc((unsigned) (length1+length2+2));
|
||
}
|
||
if (length1 == 1) {
|
||
pathName[0] = '.';
|
||
strcpy(pathName+1, name);
|
||
} else {
|
||
strcpy(pathName, parentPtr->pathName);
|
||
pathName[length1] = '.';
|
||
strcpy(pathName+length1+1, name);
|
||
}
|
||
hPtr = Tcl_CreateHashEntry(&parentPtr->mainPtr->nameTable, pathName, &new);
|
||
if (pathName != staticSpace) {
|
||
ckfree(pathName);
|
||
}
|
||
if (!new) {
|
||
Tcl_AppendResult(interp, "window name \"", name,
|
||
"\" already exists in parent", (char *) NULL);
|
||
return TCL_ERROR;
|
||
}
|
||
Tcl_SetHashValue(hPtr, winPtr);
|
||
winPtr->pathName = Tcl_GetHashKey(&parentPtr->mainPtr->nameTable, hPtr);
|
||
return TCL_OK;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TkCreateMainWindow --
|
||
*
|
||
* Make a new main window. A main window is a special kind of
|
||
* top-level window used as the outermost window in an
|
||
* application.
|
||
*
|
||
* Results:
|
||
* The return value is a token for the new window, or NULL if
|
||
* an error prevented the new window from being created. If
|
||
* NULL is returned, an error message will be left in
|
||
* interp->result.
|
||
*
|
||
* Side effects:
|
||
* A new window structure is allocated locally; "interp" is
|
||
* associated with the window and registered for "send" commands
|
||
* under "baseName". BaseName may be extended with an instance
|
||
* number in the form "#2" if necessary to make it globally
|
||
* unique. Tk-related commands are bound into interp.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
Tk_Window
|
||
TkCreateMainWindow(interp, screenName, baseName)
|
||
Tcl_Interp *interp; /* Interpreter to use for error reporting. */
|
||
char *screenName; /* Name of screen on which to create
|
||
* window. Empty or NULL string means
|
||
* use DISPLAY environment variable. */
|
||
char *baseName; /* Base name for application; usually of the
|
||
* form "prog instance". */
|
||
{
|
||
Tk_Window tkwin;
|
||
int dummy;
|
||
int isSafe;
|
||
Tcl_HashEntry *hPtr;
|
||
register TkMainInfo *mainPtr;
|
||
register TkWindow *winPtr;
|
||
register TkCmd *cmdPtr;
|
||
|
||
/*
|
||
* Panic if someone updated the TkWindow structure without
|
||
* also updating the Tk_FakeWin structure (or vice versa).
|
||
*/
|
||
|
||
if (sizeof(TkWindow) != sizeof(Tk_FakeWin)) {
|
||
panic("TkWindow and Tk_FakeWin are not the same size");
|
||
}
|
||
|
||
/*
|
||
* Create the basic TkWindow structure.
|
||
*/
|
||
|
||
tkwin = CreateTopLevelWindow(interp, (Tk_Window) NULL, baseName,
|
||
screenName);
|
||
if (tkwin == NULL) {
|
||
return NULL;
|
||
}
|
||
|
||
/*
|
||
* Create the TkMainInfo structure for this application, and set
|
||
* up name-related information for the new window.
|
||
*/
|
||
|
||
winPtr = (TkWindow *) tkwin;
|
||
mainPtr = (TkMainInfo *) ckalloc(sizeof(TkMainInfo));
|
||
mainPtr->winPtr = winPtr;
|
||
mainPtr->refCount = 1;
|
||
mainPtr->interp = interp;
|
||
Tcl_InitHashTable(&mainPtr->nameTable, TCL_STRING_KEYS);
|
||
TkBindInit(mainPtr);
|
||
TkFontPkgInit(mainPtr);
|
||
mainPtr->tlFocusPtr = NULL;
|
||
mainPtr->displayFocusPtr = NULL;
|
||
mainPtr->optionRootPtr = NULL;
|
||
Tcl_InitHashTable(&mainPtr->imageTable, TCL_STRING_KEYS);
|
||
mainPtr->strictMotif = 0;
|
||
#ifndef SCM_CODE
|
||
if (Tcl_LinkVar(interp, "tk_strictMotif", (char *) &mainPtr->strictMotif,
|
||
TCL_LINK_BOOLEAN) != TCL_OK) {
|
||
Tcl_ResetResult(interp);
|
||
}
|
||
#endif
|
||
mainPtr->nextPtr = tkMainWindowList;
|
||
tkMainWindowList = mainPtr;
|
||
winPtr->mainPtr = mainPtr;
|
||
hPtr = Tcl_CreateHashEntry(&mainPtr->nameTable, ".", &dummy);
|
||
Tcl_SetHashValue(hPtr, winPtr);
|
||
winPtr->pathName = Tcl_GetHashKey(&mainPtr->nameTable, hPtr);
|
||
|
||
/*
|
||
* We have just created another Tk application; increment the refcount
|
||
* on the display pointer.
|
||
*/
|
||
|
||
winPtr->dispPtr->refCount++;
|
||
|
||
/*
|
||
* Register the interpreter for "send" purposes.
|
||
*/
|
||
|
||
winPtr->nameUid = Tk_GetUid(Tk_SetAppName(tkwin, baseName));
|
||
|
||
/*
|
||
* Bind in Tk's commands.
|
||
*/
|
||
|
||
isSafe = Tcl_IsSafe(interp);
|
||
for (cmdPtr = commands; cmdPtr->name != NULL; cmdPtr++) {
|
||
if ((cmdPtr->cmdProc == NULL) && (cmdPtr->objProc == NULL)) {
|
||
panic("TkCreateMainWindow: builtin command with NULL string and object procs");
|
||
}
|
||
if (cmdPtr->cmdProc != NULL) {
|
||
Tcl_CreateCommand(interp, cmdPtr->name, cmdPtr->cmdProc,
|
||
(ClientData) tkwin, (void (*) _ANSI_ARGS_((ClientData))) NULL);
|
||
} else {
|
||
Tcl_CreateObjCommand(interp, cmdPtr->name, cmdPtr->objProc,
|
||
(ClientData) tkwin, NULL);
|
||
}
|
||
if (isSafe) {
|
||
if (!(cmdPtr->isSafe)) {
|
||
Tcl_HideCommand(interp, cmdPtr->name, cmdPtr->name);
|
||
}
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Set variables for the intepreter.
|
||
*/
|
||
|
||
#ifdef SCM_CODE
|
||
# ifdef BGLK_CODE
|
||
SCM_tk_makevar("*tk-patch-level*");
|
||
SCM_tk_makevar("*tk-version*");
|
||
# endif
|
||
STk_tcl_setvar("*tk-patch-level*", TK_PATCH_LEVEL, STk_STRINGIFY, "");
|
||
STk_tcl_setvar("*tk-version*", TK_VERSION, STk_STRINGIFY, "");
|
||
#else
|
||
Tcl_SetVar(interp, "tk_patchLevel", TK_PATCH_LEVEL, TCL_GLOBAL_ONLY);
|
||
Tcl_SetVar(interp, "tk_version", TK_VERSION, TCL_GLOBAL_ONLY);
|
||
#endif
|
||
|
||
numMainWindows++;
|
||
return tkwin;
|
||
}
|
||
|
||
/*
|
||
*--------------------------------------------------------------
|
||
*
|
||
* Tk_CreateWindow --
|
||
*
|
||
* Create a new internal or top-level window as a child of an
|
||
* existing window.
|
||
*
|
||
* Results:
|
||
* The return value is a token for the new window. This
|
||
* is not the same as X's token for the window. If an error
|
||
* occurred in creating the window (e.g. no such display or
|
||
* screen), then an error message is left in interp->result and
|
||
* NULL is returned.
|
||
*
|
||
* Side effects:
|
||
* A new window structure is allocated locally. An X
|
||
* window is not initially created, but will be created
|
||
* the first time the window is mapped.
|
||
*
|
||
*--------------------------------------------------------------
|
||
*/
|
||
|
||
Tk_Window
|
||
Tk_CreateWindow(interp, parent, name, screenName)
|
||
Tcl_Interp *interp; /* Interpreter to use for error reporting.
|
||
* Interp->result is assumed to be
|
||
* initialized by the caller. */
|
||
Tk_Window parent; /* Token for parent of new window. */
|
||
char *name; /* Name for new window. Must be unique
|
||
* among parent's children. */
|
||
char *screenName; /* If NULL, new window will be internal on
|
||
* same screen as its parent. If non-NULL,
|
||
* gives name of screen on which to create
|
||
* new window; window will be a top-level
|
||
* window. */
|
||
{
|
||
TkWindow *parentPtr = (TkWindow *) parent;
|
||
TkWindow *winPtr;
|
||
|
||
if ((parentPtr != NULL) && (parentPtr->flags & TK_ALREADY_DEAD)) {
|
||
Tcl_AppendResult(interp,
|
||
"can't create window: parent has been destroyed",
|
||
(char *) NULL);
|
||
return NULL;
|
||
} else if ((parentPtr != NULL) &&
|
||
(parentPtr->flags & TK_CONTAINER)) {
|
||
Tcl_AppendResult(interp,
|
||
"can't create window: its parent has -container = yes",
|
||
(char *) NULL);
|
||
return NULL;
|
||
}
|
||
if (screenName == NULL) {
|
||
winPtr = TkAllocWindow(parentPtr->dispPtr, parentPtr->screenNum,
|
||
parentPtr);
|
||
if (NameWindow(interp, winPtr, parentPtr, name) != TCL_OK) {
|
||
Tk_DestroyWindow((Tk_Window) winPtr);
|
||
return NULL;
|
||
} else {
|
||
return (Tk_Window) winPtr;
|
||
}
|
||
} else {
|
||
return CreateTopLevelWindow(interp, parent, name, screenName);
|
||
}
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Tk_CreateWindowFromPath --
|
||
*
|
||
* This procedure is similar to Tk_CreateWindow except that
|
||
* it uses a path name to create the window, rather than a
|
||
* parent and a child name.
|
||
*
|
||
* Results:
|
||
* The return value is a token for the new window. This
|
||
* is not the same as X's token for the window. If an error
|
||
* occurred in creating the window (e.g. no such display or
|
||
* screen), then an error message is left in interp->result and
|
||
* NULL is returned.
|
||
*
|
||
* Side effects:
|
||
* A new window structure is allocated locally. An X
|
||
* window is not initially created, but will be created
|
||
* the first time the window is mapped.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
Tk_Window
|
||
Tk_CreateWindowFromPath(interp, tkwin, pathName, screenName)
|
||
Tcl_Interp *interp; /* Interpreter to use for error reporting.
|
||
* Interp->result is assumed to be
|
||
* initialized by the caller. */
|
||
Tk_Window tkwin; /* Token for any window in application
|
||
* that is to contain new window. */
|
||
char *pathName; /* Path name for new window within the
|
||
* application of tkwin. The parent of
|
||
* this window must already exist, but
|
||
* the window itself must not exist. */
|
||
char *screenName; /* If NULL, new window will be on same
|
||
* screen as its parent. If non-NULL,
|
||
* gives name of screen on which to create
|
||
* new window; window will be a top-level
|
||
* window. */
|
||
{
|
||
#define FIXED_SPACE 5
|
||
char fixedSpace[FIXED_SPACE+1];
|
||
char *p;
|
||
Tk_Window parent;
|
||
int numChars;
|
||
|
||
/*
|
||
* Strip the parent's name out of pathName (it's everything up
|
||
* to the last dot). There are two tricky parts: (a) must
|
||
* copy the parent's name somewhere else to avoid modifying
|
||
* the pathName string (for large names, space for the copy
|
||
* will have to be malloc'ed); (b) must special-case the
|
||
* situation where the parent is ".".
|
||
*/
|
||
|
||
p = strrchr(pathName, '.');
|
||
if (p == NULL) {
|
||
Tcl_AppendResult(interp, "bad window path name \"", pathName,
|
||
"\"", (char *) NULL);
|
||
return NULL;
|
||
}
|
||
numChars = p-pathName;
|
||
if (numChars > FIXED_SPACE) {
|
||
p = (char *) ckalloc((unsigned) (numChars+1));
|
||
} else {
|
||
p = fixedSpace;
|
||
}
|
||
if (numChars == 0) {
|
||
*p = '.';
|
||
p[1] = '\0';
|
||
} else {
|
||
strncpy(p, pathName, (size_t) numChars);
|
||
p[numChars] = '\0';
|
||
}
|
||
|
||
/*
|
||
* Find the parent window.
|
||
*/
|
||
|
||
parent = Tk_NameToWindow(interp, p, tkwin);
|
||
if (p != fixedSpace) {
|
||
ckfree(p);
|
||
}
|
||
if (parent == NULL) {
|
||
return NULL;
|
||
}
|
||
if (((TkWindow *) parent)->flags & TK_ALREADY_DEAD) {
|
||
Tcl_AppendResult(interp,
|
||
"can't create window: parent has been destroyed", (char *) NULL);
|
||
return NULL;
|
||
} else if (((TkWindow *) parent)->flags & TK_CONTAINER) {
|
||
Tcl_AppendResult(interp,
|
||
#ifdef SCM_CODE
|
||
"can't create window: its parent has :container = #t",
|
||
#else
|
||
"can't create window: its parent has -container = yes",
|
||
#endif
|
||
(char *) NULL);
|
||
return NULL;
|
||
}
|
||
|
||
/*
|
||
* Create the window.
|
||
*/
|
||
|
||
if (screenName == NULL) {
|
||
TkWindow *parentPtr = (TkWindow *) parent;
|
||
TkWindow *winPtr;
|
||
|
||
winPtr = TkAllocWindow(parentPtr->dispPtr, parentPtr->screenNum,
|
||
parentPtr);
|
||
if (NameWindow(interp, winPtr, parentPtr, pathName+numChars+1)
|
||
!= TCL_OK) {
|
||
Tk_DestroyWindow((Tk_Window) winPtr);
|
||
return NULL;
|
||
} else {
|
||
return (Tk_Window) winPtr;
|
||
}
|
||
} else {
|
||
return CreateTopLevelWindow(interp, parent, pathName+numChars+1,
|
||
screenName);
|
||
}
|
||
}
|
||
|
||
/*
|
||
*--------------------------------------------------------------
|
||
*
|
||
* Tk_DestroyWindow --
|
||
*
|
||
* Destroy an existing window. After this call, the caller
|
||
* should never again use the token.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* The window is deleted, along with all of its children.
|
||
* Relevant callback procedures are invoked.
|
||
*
|
||
*--------------------------------------------------------------
|
||
*/
|
||
|
||
void
|
||
Tk_DestroyWindow(tkwin)
|
||
Tk_Window tkwin; /* Window to destroy. */
|
||
{
|
||
TkWindow *winPtr = (TkWindow *) tkwin;
|
||
TkDisplay *dispPtr = winPtr->dispPtr;
|
||
XEvent event;
|
||
|
||
if (winPtr->flags & TK_ALREADY_DEAD) {
|
||
/*
|
||
* A destroy event binding caused the window to be destroyed
|
||
* again. Ignore the request.
|
||
*/
|
||
|
||
return;
|
||
}
|
||
winPtr->flags |= TK_ALREADY_DEAD;
|
||
|
||
/*
|
||
* Some cleanup needs to be done immediately, rather than later,
|
||
* because it needs information that will be destoyed before we
|
||
* get to the main cleanup point. For example, TkFocusDeadWindow
|
||
* needs to access the parentPtr field from a window, but if
|
||
* a Destroy event handler deletes the window's parent this
|
||
* field will be NULL before the main cleanup point is reached.
|
||
*/
|
||
|
||
TkFocusDeadWindow(winPtr);
|
||
|
||
/*
|
||
* If this is a main window, remove it from the list of main
|
||
* windows. This needs to be done now (rather than later with
|
||
* all the other main window cleanup) to handle situations where
|
||
* a destroy binding for a window calls "exit". In this case
|
||
* the child window cleanup isn't complete when exit is called,
|
||
* so the reference count of its application doesn't go to zero
|
||
* when exit calls Tk_DestroyWindow on ".", so the main window
|
||
* doesn't get removed from the list and exit loops infinitely.
|
||
* Even worse, if "destroy ." is called by the destroy binding
|
||
* before calling "exit", "exit" will attempt to destroy
|
||
* mainPtr->winPtr, which no longer exists, and there may be a
|
||
* core dump.
|
||
*
|
||
* Also decrement the display refcount so that if this is the
|
||
* last Tk application in this process on this display, the display
|
||
* can be closed and its data structures deleted.
|
||
*/
|
||
|
||
if (winPtr->mainPtr->winPtr == winPtr) {
|
||
dispPtr->refCount--;
|
||
if (tkMainWindowList == winPtr->mainPtr) {
|
||
tkMainWindowList = winPtr->mainPtr->nextPtr;
|
||
} else {
|
||
TkMainInfo *prevPtr;
|
||
|
||
for (prevPtr = tkMainWindowList;
|
||
prevPtr->nextPtr != winPtr->mainPtr;
|
||
prevPtr = prevPtr->nextPtr) {
|
||
/* Empty loop body. */
|
||
}
|
||
prevPtr->nextPtr = winPtr->mainPtr->nextPtr;
|
||
}
|
||
numMainWindows--;
|
||
}
|
||
|
||
/*
|
||
* Recursively destroy children.
|
||
*/
|
||
|
||
dispPtr->destroyCount++;
|
||
while (winPtr->childList != NULL) {
|
||
TkWindow *childPtr;
|
||
childPtr = winPtr->childList;
|
||
childPtr->flags |= TK_DONT_DESTROY_WINDOW;
|
||
Tk_DestroyWindow((Tk_Window) childPtr);
|
||
if (winPtr->childList == childPtr) {
|
||
/*
|
||
* The child didn't remove itself from the child list, so
|
||
* let's remove it here. This can happen in some strange
|
||
* conditions, such as when a Delete event handler for a
|
||
* window deletes the window's parent.
|
||
*/
|
||
|
||
winPtr->childList = childPtr->nextPtr;
|
||
childPtr->parentPtr = NULL;
|
||
}
|
||
}
|
||
if ((winPtr->flags & (TK_CONTAINER|TK_BOTH_HALVES))
|
||
== (TK_CONTAINER|TK_BOTH_HALVES)) {
|
||
/*
|
||
* This is the container for an embedded application, and
|
||
* the embedded application is also in this process. Delete
|
||
* the embedded window in-line here, for the same reasons we
|
||
* delete children in-line (otherwise, for example, the Tk
|
||
* window may appear to exist even though its X window is
|
||
* gone; this could cause errors). Special note: it's possible
|
||
* that the embedded window has already been deleted, in which
|
||
* case TkpGetOtherWindow will return NULL.
|
||
*/
|
||
|
||
TkWindow *childPtr;
|
||
childPtr = TkpGetOtherWindow(winPtr);
|
||
if (childPtr != NULL) {
|
||
childPtr->flags |= TK_DONT_DESTROY_WINDOW;
|
||
Tk_DestroyWindow((Tk_Window) childPtr);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Generate a DestroyNotify event. In order for the DestroyNotify
|
||
* event to be processed correctly, need to make sure the window
|
||
* exists. This is a bit of a kludge, and may be unnecessarily
|
||
* expensive, but without it no event handlers will get called for
|
||
* windows that don't exist yet.
|
||
*
|
||
* Note: if the window's pathName is NULL it means that the window
|
||
* was not successfully initialized in the first place, so we should
|
||
* not make the window exist or generate the event.
|
||
*/
|
||
|
||
if (winPtr->pathName != NULL) {
|
||
if (winPtr->window == None) {
|
||
Tk_MakeWindowExist(tkwin);
|
||
}
|
||
event.type = DestroyNotify;
|
||
event.xdestroywindow.serial =
|
||
LastKnownRequestProcessed(winPtr->display);
|
||
event.xdestroywindow.send_event = False;
|
||
event.xdestroywindow.display = winPtr->display;
|
||
event.xdestroywindow.event = winPtr->window;
|
||
event.xdestroywindow.window = winPtr->window;
|
||
Tk_HandleEvent(&event);
|
||
}
|
||
|
||
/*
|
||
* Cleanup the data structures associated with this window.
|
||
*/
|
||
|
||
if (winPtr->flags & TK_TOP_LEVEL) {
|
||
TkWmDeadWindow(winPtr);
|
||
} else if (winPtr->flags & TK_WM_COLORMAP_WINDOW) {
|
||
TkWmRemoveFromColormapWindows(winPtr);
|
||
}
|
||
if (winPtr->window != None) {
|
||
#if defined(MAC_TCL) || defined(__WIN32__)
|
||
XDestroyWindow(winPtr->display, winPtr->window);
|
||
#else
|
||
if ((winPtr->flags & TK_TOP_LEVEL)
|
||
|| !(winPtr->flags & TK_DONT_DESTROY_WINDOW)) {
|
||
/*
|
||
* The parent has already been destroyed and this isn't
|
||
* a top-level window, so this window will be destroyed
|
||
* implicitly when the parent's X window is destroyed;
|
||
* it's much faster not to do an explicit destroy of this
|
||
* X window.
|
||
*/
|
||
|
||
dispPtr->lastDestroyRequest = NextRequest(winPtr->display);
|
||
XDestroyWindow(winPtr->display, winPtr->window);
|
||
}
|
||
#endif
|
||
TkFreeWindowId(dispPtr, winPtr->window);
|
||
Tcl_DeleteHashEntry(Tcl_FindHashEntry(&dispPtr->winTable,
|
||
(char *) winPtr->window));
|
||
winPtr->window = None;
|
||
}
|
||
dispPtr->destroyCount--;
|
||
UnlinkWindow(winPtr);
|
||
TkEventDeadWindow(winPtr);
|
||
TkBindDeadWindow(winPtr);
|
||
#ifdef TK_USE_INPUT_METHODS
|
||
if (winPtr->inputContext != NULL) {
|
||
XDestroyIC(winPtr->inputContext);
|
||
}
|
||
#endif /* TK_USE_INPUT_METHODS */
|
||
if (winPtr->tagPtr != NULL) {
|
||
TkFreeBindingTags(winPtr);
|
||
}
|
||
TkOptionDeadWindow(winPtr);
|
||
TkSelDeadWindow(winPtr);
|
||
TkGrabDeadWindow(winPtr);
|
||
if (winPtr->mainPtr != NULL) {
|
||
if (winPtr->pathName != NULL) {
|
||
Tk_DeleteAllBindings(winPtr->mainPtr->bindingTable,
|
||
(ClientData) winPtr->pathName);
|
||
Tcl_DeleteHashEntry(Tcl_FindHashEntry(&winPtr->mainPtr->nameTable,
|
||
winPtr->pathName));
|
||
}
|
||
winPtr->mainPtr->refCount--;
|
||
if (winPtr->mainPtr->refCount == 0) {
|
||
register TkCmd *cmdPtr;
|
||
|
||
/*
|
||
* We just deleted the last window in the application. Delete
|
||
* the TkMainInfo structure too and replace all of Tk's commands
|
||
* with dummy commands that return errors. Also delete the
|
||
* "send" command to unregister the interpreter.
|
||
*
|
||
* NOTE: Only replace the commands it if the interpreter is
|
||
* not being deleted. If it *is*, the interpreter cleanup will
|
||
* do all the needed work.
|
||
*/
|
||
|
||
if ((winPtr->mainPtr->interp != NULL) &&
|
||
(!Tcl_InterpDeleted(winPtr->mainPtr->interp))) {
|
||
for (cmdPtr = commands; cmdPtr->name != NULL; cmdPtr++) {
|
||
Tcl_CreateCommand(winPtr->mainPtr->interp, cmdPtr->name,
|
||
TkDeadAppCmd, (ClientData) NULL,
|
||
(void (*) _ANSI_ARGS_((ClientData))) NULL);
|
||
}
|
||
Tcl_CreateCommand(winPtr->mainPtr->interp, "send",
|
||
TkDeadAppCmd, (ClientData) NULL,
|
||
(void (*) _ANSI_ARGS_((ClientData))) NULL);
|
||
#ifndef SCM_CODE
|
||
Tcl_UnlinkVar(winPtr->mainPtr->interp, "tk_strictMotif");
|
||
#endif
|
||
}
|
||
|
||
Tcl_DeleteHashTable(&winPtr->mainPtr->nameTable);
|
||
TkBindFree(winPtr->mainPtr);
|
||
TkFontPkgFree(winPtr->mainPtr);
|
||
TkDeleteAllImages(winPtr->mainPtr);
|
||
|
||
/*
|
||
* When embedding Tk into other applications, make sure
|
||
* that all destroy events reach the server. Otherwise
|
||
* the embedding application may also attempt to destroy
|
||
* the windows, resulting in an X error
|
||
*/
|
||
|
||
if (winPtr->flags & TK_EMBEDDED) {
|
||
XSync(winPtr->display,False) ;
|
||
}
|
||
ckfree((char *) winPtr->mainPtr);
|
||
|
||
/*
|
||
* If no other applications are using the display, close the
|
||
* display now and relinquish its data structures.
|
||
*/
|
||
|
||
if (dispPtr->refCount <= 0) {
|
||
#ifdef NOT_YET
|
||
/*
|
||
* I have disabled this code because on Windows there are
|
||
* still order dependencies in close-down. All displays
|
||
* and resources will get closed down properly anyway at
|
||
* exit, through the exit handler.
|
||
*/
|
||
|
||
TkDisplay *theDispPtr, *backDispPtr;
|
||
|
||
/*
|
||
* Splice this display out of the list of displays.
|
||
*/
|
||
|
||
for (theDispPtr = tkDisplayList, backDispPtr = NULL;
|
||
(theDispPtr != winPtr->dispPtr) &&
|
||
(theDispPtr != NULL);
|
||
theDispPtr = theDispPtr->nextPtr) {
|
||
backDispPtr = theDispPtr;
|
||
}
|
||
if (theDispPtr == NULL) {
|
||
panic("could not find display to close!");
|
||
}
|
||
if (backDispPtr == NULL) {
|
||
tkDisplayList = theDispPtr->nextPtr;
|
||
} else {
|
||
backDispPtr->nextPtr = theDispPtr->nextPtr;
|
||
}
|
||
|
||
/*
|
||
* Found and spliced it out, now actually do the cleanup.
|
||
*/
|
||
|
||
if (dispPtr->name != NULL) {
|
||
ckfree(dispPtr->name);
|
||
}
|
||
|
||
Tcl_DeleteHashTable(&(dispPtr->winTable));
|
||
|
||
/*
|
||
* Cannot yet close the display because we still have
|
||
* order of deletion problems. Defer until exit handling
|
||
* instead. At that time, the display will cleanly shut
|
||
* down (hopefully..). (JYL)
|
||
*/
|
||
|
||
TkpCloseDisplay(dispPtr);
|
||
|
||
/*
|
||
* There is lots more to clean up, we leave it at this for
|
||
* the time being.
|
||
*/
|
||
#endif
|
||
}
|
||
}
|
||
}
|
||
ckfree((char *) winPtr);
|
||
}
|
||
|
||
/*
|
||
*--------------------------------------------------------------
|
||
*
|
||
* Tk_MapWindow --
|
||
*
|
||
* Map a window within its parent. This may require the
|
||
* window and/or its parents to actually be created.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* The given window will be mapped. Windows may also
|
||
* be created.
|
||
*
|
||
*--------------------------------------------------------------
|
||
*/
|
||
|
||
void
|
||
Tk_MapWindow(tkwin)
|
||
Tk_Window tkwin; /* Token for window to map. */
|
||
{
|
||
register TkWindow *winPtr = (TkWindow *) tkwin;
|
||
XEvent event;
|
||
|
||
if (winPtr->flags & TK_MAPPED) {
|
||
return;
|
||
}
|
||
if (winPtr->window == None) {
|
||
Tk_MakeWindowExist(tkwin);
|
||
}
|
||
if (winPtr->flags & TK_TOP_LEVEL) {
|
||
/*
|
||
* Lots of special processing has to be done for top-level
|
||
* windows. Let tkWm.c handle everything itself.
|
||
*/
|
||
|
||
TkWmMapWindow(winPtr);
|
||
return;
|
||
}
|
||
winPtr->flags |= TK_MAPPED;
|
||
XMapWindow(winPtr->display, winPtr->window);
|
||
event.type = MapNotify;
|
||
event.xmap.serial = LastKnownRequestProcessed(winPtr->display);
|
||
event.xmap.send_event = False;
|
||
event.xmap.display = winPtr->display;
|
||
event.xmap.event = winPtr->window;
|
||
event.xmap.window = winPtr->window;
|
||
event.xmap.override_redirect = winPtr->atts.override_redirect;
|
||
Tk_HandleEvent(&event);
|
||
}
|
||
|
||
/*
|
||
*--------------------------------------------------------------
|
||
*
|
||
* Tk_MakeWindowExist --
|
||
*
|
||
* Ensure that a particular window actually exists. This
|
||
* procedure shouldn't normally need to be invoked from
|
||
* outside the Tk package, but may be needed if someone
|
||
* wants to manipulate a window before mapping it.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* When the procedure returns, the X window associated with
|
||
* tkwin is guaranteed to exist. This may require the
|
||
* window's ancestors to be created also.
|
||
*
|
||
*--------------------------------------------------------------
|
||
*/
|
||
|
||
void
|
||
Tk_MakeWindowExist(tkwin)
|
||
Tk_Window tkwin; /* Token for window. */
|
||
{
|
||
register TkWindow *winPtr = (TkWindow *) tkwin;
|
||
TkWindow *winPtr2;
|
||
Window parent;
|
||
Tcl_HashEntry *hPtr;
|
||
int new;
|
||
|
||
if (winPtr->window != None) {
|
||
return;
|
||
}
|
||
|
||
if ((winPtr->parentPtr == NULL) || (winPtr->flags & TK_TOP_LEVEL)) {
|
||
parent = XRootWindow(winPtr->display, winPtr->screenNum);
|
||
} else {
|
||
if (winPtr->parentPtr->window == None) {
|
||
Tk_MakeWindowExist((Tk_Window) winPtr->parentPtr);
|
||
}
|
||
parent = winPtr->parentPtr->window;
|
||
}
|
||
|
||
if (winPtr->classProcsPtr != NULL
|
||
&& winPtr->classProcsPtr->createProc != NULL) {
|
||
winPtr->window = (*winPtr->classProcsPtr->createProc)(tkwin, parent,
|
||
winPtr->instanceData);
|
||
} else {
|
||
winPtr->window = TkpMakeWindow(winPtr, parent);
|
||
}
|
||
|
||
hPtr = Tcl_CreateHashEntry(&winPtr->dispPtr->winTable,
|
||
(char *) winPtr->window, &new);
|
||
Tcl_SetHashValue(hPtr, winPtr);
|
||
winPtr->dirtyAtts = 0;
|
||
winPtr->dirtyChanges = 0;
|
||
#ifdef TK_USE_INPUT_METHODS
|
||
winPtr->inputContext = NULL;
|
||
#endif /* TK_USE_INPUT_METHODS */
|
||
|
||
if (!(winPtr->flags & TK_TOP_LEVEL)) {
|
||
/*
|
||
* If any siblings higher up in the stacking order have already
|
||
* been created then move this window to its rightful position
|
||
* in the stacking order.
|
||
*
|
||
* NOTE: this code ignores any changes anyone might have made
|
||
* to the sibling and stack_mode field of the window's attributes,
|
||
* so it really isn't safe for these to be manipulated except
|
||
* by calling Tk_RestackWindow.
|
||
*/
|
||
|
||
for (winPtr2 = winPtr->nextPtr; winPtr2 != NULL;
|
||
winPtr2 = winPtr2->nextPtr) {
|
||
if ((winPtr2->window != None)
|
||
&& !(winPtr2->flags & (TK_TOP_LEVEL|TK_REPARENTED))) {
|
||
XWindowChanges changes;
|
||
changes.sibling = winPtr2->window;
|
||
changes.stack_mode = Below;
|
||
XConfigureWindow(winPtr->display, winPtr->window,
|
||
CWSibling|CWStackMode, &changes);
|
||
break;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* If this window has a different colormap than its parent, add
|
||
* the window to the WM_COLORMAP_WINDOWS property for its top-level.
|
||
*/
|
||
|
||
if ((winPtr->parentPtr != NULL) &&
|
||
(winPtr->atts.colormap != winPtr->parentPtr->atts.colormap)) {
|
||
TkWmAddToColormapWindows(winPtr);
|
||
winPtr->flags |= TK_WM_COLORMAP_WINDOW;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Issue a ConfigureNotify event if there were deferred configuration
|
||
* changes (but skip it if the window is being deleted; the
|
||
* ConfigureNotify event could cause problems if we're being called
|
||
* from Tk_DestroyWindow under some conditions).
|
||
*/
|
||
|
||
if ((winPtr->flags & TK_NEED_CONFIG_NOTIFY)
|
||
&& !(winPtr->flags & TK_ALREADY_DEAD)){
|
||
winPtr->flags &= ~TK_NEED_CONFIG_NOTIFY;
|
||
TkDoConfigureNotify(winPtr);
|
||
}
|
||
}
|
||
|
||
/*
|
||
*--------------------------------------------------------------
|
||
*
|
||
* Tk_UnmapWindow, etc. --
|
||
*
|
||
* There are several procedures under here, each of which
|
||
* mirrors an existing X procedure. In addition to performing
|
||
* the functions of the corresponding procedure, each
|
||
* procedure also updates the local window structure and
|
||
* synthesizes an X event (if the window's structure is being
|
||
* managed internally).
|
||
*
|
||
* Results:
|
||
* See the manual entries.
|
||
*
|
||
* Side effects:
|
||
* See the manual entries.
|
||
*
|
||
*--------------------------------------------------------------
|
||
*/
|
||
|
||
void
|
||
Tk_UnmapWindow(tkwin)
|
||
Tk_Window tkwin; /* Token for window to unmap. */
|
||
{
|
||
register TkWindow *winPtr = (TkWindow *) tkwin;
|
||
|
||
if (!(winPtr->flags & TK_MAPPED) || (winPtr->flags & TK_ALREADY_DEAD)) {
|
||
return;
|
||
}
|
||
if (winPtr->flags & TK_TOP_LEVEL) {
|
||
/*
|
||
* Special processing has to be done for top-level windows. Let
|
||
* tkWm.c handle everything itself.
|
||
*/
|
||
|
||
TkWmUnmapWindow(winPtr);
|
||
return;
|
||
}
|
||
winPtr->flags &= ~TK_MAPPED;
|
||
XUnmapWindow(winPtr->display, winPtr->window);
|
||
if (!(winPtr->flags & TK_TOP_LEVEL)) {
|
||
XEvent event;
|
||
|
||
event.type = UnmapNotify;
|
||
event.xunmap.serial = LastKnownRequestProcessed(winPtr->display);
|
||
event.xunmap.send_event = False;
|
||
event.xunmap.display = winPtr->display;
|
||
event.xunmap.event = winPtr->window;
|
||
event.xunmap.window = winPtr->window;
|
||
event.xunmap.from_configure = False;
|
||
Tk_HandleEvent(&event);
|
||
}
|
||
}
|
||
|
||
void
|
||
Tk_ConfigureWindow(tkwin, valueMask, valuePtr)
|
||
Tk_Window tkwin; /* Window to re-configure. */
|
||
unsigned int valueMask; /* Mask indicating which parts of
|
||
* *valuePtr are to be used. */
|
||
XWindowChanges *valuePtr; /* New values. */
|
||
{
|
||
register TkWindow *winPtr = (TkWindow *) tkwin;
|
||
|
||
if (valueMask & CWX) {
|
||
winPtr->changes.x = valuePtr->x;
|
||
}
|
||
if (valueMask & CWY) {
|
||
winPtr->changes.y = valuePtr->y;
|
||
}
|
||
if (valueMask & CWWidth) {
|
||
winPtr->changes.width = valuePtr->width;
|
||
}
|
||
if (valueMask & CWHeight) {
|
||
winPtr->changes.height = valuePtr->height;
|
||
}
|
||
if (valueMask & CWBorderWidth) {
|
||
winPtr->changes.border_width = valuePtr->border_width;
|
||
}
|
||
if (valueMask & (CWSibling|CWStackMode)) {
|
||
panic("Can't set sibling or stack mode from Tk_ConfigureWindow.");
|
||
}
|
||
|
||
if (winPtr->window != None) {
|
||
XConfigureWindow(winPtr->display, winPtr->window,
|
||
valueMask, valuePtr);
|
||
TkDoConfigureNotify(winPtr);
|
||
} else {
|
||
winPtr->dirtyChanges |= valueMask;
|
||
winPtr->flags |= TK_NEED_CONFIG_NOTIFY;
|
||
}
|
||
}
|
||
|
||
void
|
||
Tk_MoveWindow(tkwin, x, y)
|
||
Tk_Window tkwin; /* Window to move. */
|
||
int x, y; /* New location for window (within
|
||
* parent). */
|
||
{
|
||
register TkWindow *winPtr = (TkWindow *) tkwin;
|
||
|
||
winPtr->changes.x = x;
|
||
winPtr->changes.y = y;
|
||
if (winPtr->window != None) {
|
||
XMoveWindow(winPtr->display, winPtr->window, x, y);
|
||
TkDoConfigureNotify(winPtr);
|
||
} else {
|
||
winPtr->dirtyChanges |= CWX|CWY;
|
||
winPtr->flags |= TK_NEED_CONFIG_NOTIFY;
|
||
}
|
||
}
|
||
|
||
void
|
||
Tk_ResizeWindow(tkwin, width, height)
|
||
Tk_Window tkwin; /* Window to resize. */
|
||
int width, height; /* New dimensions for window. */
|
||
{
|
||
register TkWindow *winPtr = (TkWindow *) tkwin;
|
||
|
||
winPtr->changes.width = (unsigned) width;
|
||
winPtr->changes.height = (unsigned) height;
|
||
if (winPtr->window != None) {
|
||
XResizeWindow(winPtr->display, winPtr->window, (unsigned) width,
|
||
(unsigned) height);
|
||
TkDoConfigureNotify(winPtr);
|
||
} else {
|
||
winPtr->dirtyChanges |= CWWidth|CWHeight;
|
||
winPtr->flags |= TK_NEED_CONFIG_NOTIFY;
|
||
}
|
||
}
|
||
|
||
void
|
||
Tk_MoveResizeWindow(tkwin, x, y, width, height)
|
||
Tk_Window tkwin; /* Window to move and resize. */
|
||
int x, y; /* New location for window (within
|
||
* parent). */
|
||
int width, height; /* New dimensions for window. */
|
||
{
|
||
register TkWindow *winPtr = (TkWindow *) tkwin;
|
||
|
||
winPtr->changes.x = x;
|
||
winPtr->changes.y = y;
|
||
winPtr->changes.width = (unsigned) width;
|
||
winPtr->changes.height = (unsigned) height;
|
||
if (winPtr->window != None) {
|
||
XMoveResizeWindow(winPtr->display, winPtr->window, x, y,
|
||
(unsigned) width, (unsigned) height);
|
||
TkDoConfigureNotify(winPtr);
|
||
} else {
|
||
winPtr->dirtyChanges |= CWX|CWY|CWWidth|CWHeight;
|
||
winPtr->flags |= TK_NEED_CONFIG_NOTIFY;
|
||
}
|
||
}
|
||
|
||
void
|
||
Tk_SetWindowBorderWidth(tkwin, width)
|
||
Tk_Window tkwin; /* Window to modify. */
|
||
int width; /* New border width for window. */
|
||
{
|
||
register TkWindow *winPtr = (TkWindow *) tkwin;
|
||
|
||
winPtr->changes.border_width = width;
|
||
if (winPtr->window != None) {
|
||
XSetWindowBorderWidth(winPtr->display, winPtr->window,
|
||
(unsigned) width);
|
||
TkDoConfigureNotify(winPtr);
|
||
} else {
|
||
winPtr->dirtyChanges |= CWBorderWidth;
|
||
winPtr->flags |= TK_NEED_CONFIG_NOTIFY;
|
||
}
|
||
}
|
||
|
||
void
|
||
Tk_ChangeWindowAttributes(tkwin, valueMask, attsPtr)
|
||
Tk_Window tkwin; /* Window to manipulate. */
|
||
unsigned long valueMask; /* OR'ed combination of bits,
|
||
* indicating which fields of
|
||
* *attsPtr are to be used. */
|
||
register XSetWindowAttributes *attsPtr;
|
||
/* New values for some attributes. */
|
||
{
|
||
register TkWindow *winPtr = (TkWindow *) tkwin;
|
||
|
||
if (valueMask & CWBackPixmap) {
|
||
winPtr->atts.background_pixmap = attsPtr->background_pixmap;
|
||
}
|
||
if (valueMask & CWBackPixel) {
|
||
winPtr->atts.background_pixel = attsPtr->background_pixel;
|
||
}
|
||
if (valueMask & CWBorderPixmap) {
|
||
winPtr->atts.border_pixmap = attsPtr->border_pixmap;
|
||
}
|
||
if (valueMask & CWBorderPixel) {
|
||
winPtr->atts.border_pixel = attsPtr->border_pixel;
|
||
}
|
||
if (valueMask & CWBitGravity) {
|
||
winPtr->atts.bit_gravity = attsPtr->bit_gravity;
|
||
}
|
||
if (valueMask & CWWinGravity) {
|
||
winPtr->atts.win_gravity = attsPtr->win_gravity;
|
||
}
|
||
if (valueMask & CWBackingStore) {
|
||
winPtr->atts.backing_store = attsPtr->backing_store;
|
||
}
|
||
if (valueMask & CWBackingPlanes) {
|
||
winPtr->atts.backing_planes = attsPtr->backing_planes;
|
||
}
|
||
if (valueMask & CWBackingPixel) {
|
||
winPtr->atts.backing_pixel = attsPtr->backing_pixel;
|
||
}
|
||
if (valueMask & CWOverrideRedirect) {
|
||
winPtr->atts.override_redirect = attsPtr->override_redirect;
|
||
}
|
||
if (valueMask & CWSaveUnder) {
|
||
winPtr->atts.save_under = attsPtr->save_under;
|
||
}
|
||
if (valueMask & CWEventMask) {
|
||
winPtr->atts.event_mask = attsPtr->event_mask;
|
||
}
|
||
if (valueMask & CWDontPropagate) {
|
||
winPtr->atts.do_not_propagate_mask
|
||
= attsPtr->do_not_propagate_mask;
|
||
}
|
||
if (valueMask & CWColormap) {
|
||
winPtr->atts.colormap = attsPtr->colormap;
|
||
}
|
||
if (valueMask & CWCursor) {
|
||
winPtr->atts.cursor = attsPtr->cursor;
|
||
}
|
||
|
||
if (winPtr->window != None) {
|
||
XChangeWindowAttributes(winPtr->display, winPtr->window,
|
||
valueMask, attsPtr);
|
||
} else {
|
||
winPtr->dirtyAtts |= valueMask;
|
||
}
|
||
}
|
||
|
||
void
|
||
Tk_SetWindowBackground(tkwin, pixel)
|
||
Tk_Window tkwin; /* Window to manipulate. */
|
||
unsigned long pixel; /* Pixel value to use for
|
||
* window's background. */
|
||
{
|
||
register TkWindow *winPtr = (TkWindow *) tkwin;
|
||
|
||
winPtr->atts.background_pixel = pixel;
|
||
|
||
if (winPtr->window != None) {
|
||
XSetWindowBackground(winPtr->display, winPtr->window, pixel);
|
||
} else {
|
||
winPtr->dirtyAtts = (winPtr->dirtyAtts & (unsigned) ~CWBackPixmap)
|
||
| CWBackPixel;
|
||
}
|
||
}
|
||
|
||
void
|
||
Tk_SetWindowBackgroundPixmap(tkwin, pixmap)
|
||
Tk_Window tkwin; /* Window to manipulate. */
|
||
Pixmap pixmap; /* Pixmap to use for window's
|
||
* background. */
|
||
{
|
||
register TkWindow *winPtr = (TkWindow *) tkwin;
|
||
|
||
winPtr->atts.background_pixmap = pixmap;
|
||
|
||
if (winPtr->window != None) {
|
||
XSetWindowBackgroundPixmap(winPtr->display,
|
||
winPtr->window, pixmap);
|
||
} else {
|
||
winPtr->dirtyAtts = (winPtr->dirtyAtts & (unsigned) ~CWBackPixel)
|
||
| CWBackPixmap;
|
||
}
|
||
}
|
||
|
||
void
|
||
Tk_SetWindowBorder(tkwin, pixel)
|
||
Tk_Window tkwin; /* Window to manipulate. */
|
||
unsigned long pixel; /* Pixel value to use for
|
||
* window's border. */
|
||
{
|
||
register TkWindow *winPtr = (TkWindow *) tkwin;
|
||
|
||
winPtr->atts.border_pixel = pixel;
|
||
|
||
if (winPtr->window != None) {
|
||
XSetWindowBorder(winPtr->display, winPtr->window, pixel);
|
||
} else {
|
||
winPtr->dirtyAtts = (winPtr->dirtyAtts & (unsigned) ~CWBorderPixmap)
|
||
| CWBorderPixel;
|
||
}
|
||
}
|
||
|
||
void
|
||
Tk_SetWindowBorderPixmap(tkwin, pixmap)
|
||
Tk_Window tkwin; /* Window to manipulate. */
|
||
Pixmap pixmap; /* Pixmap to use for window's
|
||
* border. */
|
||
{
|
||
register TkWindow *winPtr = (TkWindow *) tkwin;
|
||
|
||
winPtr->atts.border_pixmap = pixmap;
|
||
|
||
if (winPtr->window != None) {
|
||
XSetWindowBorderPixmap(winPtr->display,
|
||
winPtr->window, pixmap);
|
||
} else {
|
||
winPtr->dirtyAtts = (winPtr->dirtyAtts & (unsigned) ~CWBorderPixel)
|
||
| CWBorderPixmap;
|
||
}
|
||
}
|
||
|
||
void
|
||
Tk_DefineCursor(tkwin, cursor)
|
||
Tk_Window tkwin; /* Window to manipulate. */
|
||
Tk_Cursor cursor; /* Cursor to use for window (may be None). */
|
||
{
|
||
register TkWindow *winPtr = (TkWindow *) tkwin;
|
||
|
||
#ifdef MAC_TCL
|
||
winPtr->atts.cursor = (XCursor) cursor;
|
||
#else
|
||
winPtr->atts.cursor = (Cursor) cursor;
|
||
#endif
|
||
|
||
if (winPtr->window != None) {
|
||
XDefineCursor(winPtr->display, winPtr->window, winPtr->atts.cursor);
|
||
} else {
|
||
winPtr->dirtyAtts = winPtr->dirtyAtts | CWCursor;
|
||
}
|
||
}
|
||
|
||
void
|
||
Tk_UndefineCursor(tkwin)
|
||
Tk_Window tkwin; /* Window to manipulate. */
|
||
{
|
||
Tk_DefineCursor(tkwin, None);
|
||
}
|
||
|
||
void
|
||
Tk_SetWindowColormap(tkwin, colormap)
|
||
Tk_Window tkwin; /* Window to manipulate. */
|
||
Colormap colormap; /* Colormap to use for window. */
|
||
{
|
||
register TkWindow *winPtr = (TkWindow *) tkwin;
|
||
|
||
winPtr->atts.colormap = colormap;
|
||
|
||
if (winPtr->window != None) {
|
||
XSetWindowColormap(winPtr->display, winPtr->window, colormap);
|
||
if (!(winPtr->flags & TK_TOP_LEVEL)) {
|
||
TkWmAddToColormapWindows(winPtr);
|
||
winPtr->flags |= TK_WM_COLORMAP_WINDOW;
|
||
}
|
||
} else {
|
||
winPtr->dirtyAtts |= CWColormap;
|
||
}
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Tk_SetWindowVisual --
|
||
*
|
||
* This procedure is called to specify a visual to be used
|
||
* for a Tk window when it is created. This procedure, if
|
||
* called at all, must be called before the X window is created
|
||
* (i.e. before Tk_MakeWindowExist is called).
|
||
*
|
||
* Results:
|
||
* The return value is 1 if successful, or 0 if the X window has
|
||
* been already created.
|
||
*
|
||
* Side effects:
|
||
* The information given is stored for when the window is created.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
int
|
||
Tk_SetWindowVisual(tkwin, visual, depth, colormap)
|
||
Tk_Window tkwin; /* Window to manipulate. */
|
||
Visual *visual; /* New visual for window. */
|
||
int depth; /* New depth for window. */
|
||
Colormap colormap; /* An appropriate colormap for the visual. */
|
||
{
|
||
register TkWindow *winPtr = (TkWindow *) tkwin;
|
||
|
||
if( winPtr->window != None ){
|
||
/* Too late! */
|
||
return 0;
|
||
}
|
||
|
||
winPtr->visual = visual;
|
||
winPtr->depth = depth;
|
||
winPtr->atts.colormap = colormap;
|
||
winPtr->dirtyAtts |= CWColormap;
|
||
|
||
/*
|
||
* The following code is needed to make sure that the window doesn't
|
||
* inherit the parent's border pixmap, which would result in a BadMatch
|
||
* error.
|
||
*/
|
||
|
||
if (!(winPtr->dirtyAtts & CWBorderPixmap)) {
|
||
winPtr->dirtyAtts |= CWBorderPixel;
|
||
}
|
||
return 1;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TkDoConfigureNotify --
|
||
*
|
||
* Generate a ConfigureNotify event describing the current
|
||
* configuration of a window.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* An event is generated and processed by Tk_HandleEvent.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
void
|
||
TkDoConfigureNotify(winPtr)
|
||
register TkWindow *winPtr; /* Window whose configuration
|
||
* was just changed. */
|
||
{
|
||
XEvent event;
|
||
|
||
event.type = ConfigureNotify;
|
||
event.xconfigure.serial = LastKnownRequestProcessed(winPtr->display);
|
||
event.xconfigure.send_event = False;
|
||
event.xconfigure.display = winPtr->display;
|
||
event.xconfigure.event = winPtr->window;
|
||
event.xconfigure.window = winPtr->window;
|
||
event.xconfigure.x = winPtr->changes.x;
|
||
event.xconfigure.y = winPtr->changes.y;
|
||
event.xconfigure.width = winPtr->changes.width;
|
||
event.xconfigure.height = winPtr->changes.height;
|
||
event.xconfigure.border_width = winPtr->changes.border_width;
|
||
if (winPtr->changes.stack_mode == Above) {
|
||
event.xconfigure.above = winPtr->changes.sibling;
|
||
} else {
|
||
event.xconfigure.above = None;
|
||
}
|
||
event.xconfigure.override_redirect = winPtr->atts.override_redirect;
|
||
Tk_HandleEvent(&event);
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Tk_SetClass --
|
||
*
|
||
* This procedure is used to give a window a class.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* A new class is stored for tkwin, replacing any existing
|
||
* class for it.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
void
|
||
Tk_SetClass(tkwin, className)
|
||
Tk_Window tkwin; /* Token for window to assign class. */
|
||
char *className; /* New class for tkwin. */
|
||
{
|
||
register TkWindow *winPtr = (TkWindow *) tkwin;
|
||
|
||
winPtr->classUid = Tk_GetUid(className);
|
||
if (winPtr->flags & TK_TOP_LEVEL) {
|
||
TkWmSetClass(winPtr);
|
||
}
|
||
TkOptionClassChanged(winPtr);
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TkSetClassProcs --
|
||
*
|
||
* This procedure is used to set the class procedures and
|
||
* instance data for a window.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* A new set of class procedures and instance data is stored
|
||
* for tkwin, replacing any existing values.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
void
|
||
TkSetClassProcs(tkwin, procs, instanceData)
|
||
Tk_Window tkwin; /* Token for window to modify. */
|
||
TkClassProcs *procs; /* Class procs structure. */
|
||
ClientData instanceData; /* Data to be passed to class procedures. */
|
||
{
|
||
register TkWindow *winPtr = (TkWindow *) tkwin;
|
||
|
||
winPtr->classProcsPtr = procs;
|
||
winPtr->instanceData = instanceData;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Tk_NameToWindow --
|
||
*
|
||
* Given a string name for a window, this procedure
|
||
* returns the token for the window, if there exists a
|
||
* window corresponding to the given name.
|
||
*
|
||
* Results:
|
||
* The return result is either a token for the window corresponding
|
||
* to "name", or else NULL to indicate that there is no such
|
||
* window. In this case, an error message is left in interp->result.
|
||
*
|
||
* Side effects:
|
||
* None.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
Tk_Window
|
||
Tk_NameToWindow(interp, pathName, tkwin)
|
||
Tcl_Interp *interp; /* Where to report errors. */
|
||
char *pathName; /* Path name of window. */
|
||
Tk_Window tkwin; /* Token for window: name is assumed to
|
||
* belong to the same main window as tkwin. */
|
||
{
|
||
Tcl_HashEntry *hPtr;
|
||
|
||
hPtr = Tcl_FindHashEntry(&((TkWindow *) tkwin)->mainPtr->nameTable,
|
||
pathName);
|
||
if (hPtr == NULL) {
|
||
Tcl_AppendResult(interp, "bad window path name \"",
|
||
pathName, "\"", (char *) NULL);
|
||
return NULL;
|
||
}
|
||
return (Tk_Window) Tcl_GetHashValue(hPtr);
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Tk_IdToWindow --
|
||
*
|
||
* Given an X display and window ID, this procedure returns the
|
||
* Tk token for the window, if there exists a Tk window corresponding
|
||
* to the given ID.
|
||
*
|
||
* Results:
|
||
* The return result is either a token for the window corresponding
|
||
* to the given X id, or else NULL to indicate that there is no such
|
||
* window.
|
||
*
|
||
* Side effects:
|
||
* None.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
Tk_Window
|
||
Tk_IdToWindow(display, window)
|
||
Display *display; /* X display containing the window. */
|
||
Window window; /* X window window id. */
|
||
{
|
||
TkDisplay *dispPtr;
|
||
Tcl_HashEntry *hPtr;
|
||
|
||
for (dispPtr = tkDisplayList; ; dispPtr = dispPtr->nextPtr) {
|
||
if (dispPtr == NULL) {
|
||
return NULL;
|
||
}
|
||
if (dispPtr->display == display) {
|
||
break;
|
||
}
|
||
}
|
||
|
||
hPtr = Tcl_FindHashEntry(&dispPtr->winTable, (char *) window);
|
||
if (hPtr == NULL) {
|
||
return NULL;
|
||
}
|
||
return (Tk_Window) Tcl_GetHashValue(hPtr);
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Tk_DisplayName --
|
||
*
|
||
* Return the textual name of a window's display.
|
||
*
|
||
* Results:
|
||
* The return value is the string name of the display associated
|
||
* with tkwin.
|
||
*
|
||
* Side effects:
|
||
* None.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
char *
|
||
Tk_DisplayName(tkwin)
|
||
Tk_Window tkwin; /* Window whose display name is desired. */
|
||
{
|
||
return ((TkWindow *) tkwin)->dispPtr->name;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* UnlinkWindow --
|
||
*
|
||
* This procedure removes a window from the childList of its
|
||
* parent.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* The window is unlinked from its childList.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
static void
|
||
UnlinkWindow(winPtr)
|
||
TkWindow *winPtr; /* Child window to be unlinked. */
|
||
{
|
||
TkWindow *prevPtr;
|
||
|
||
if (winPtr->parentPtr == NULL) {
|
||
return;
|
||
}
|
||
prevPtr = winPtr->parentPtr->childList;
|
||
if (prevPtr == winPtr) {
|
||
winPtr->parentPtr->childList = winPtr->nextPtr;
|
||
if (winPtr->nextPtr == NULL) {
|
||
winPtr->parentPtr->lastChildPtr = NULL;
|
||
}
|
||
} else {
|
||
while (prevPtr->nextPtr != winPtr) {
|
||
prevPtr = prevPtr->nextPtr;
|
||
if (prevPtr == NULL) {
|
||
panic("UnlinkWindow couldn't find child in parent");
|
||
}
|
||
}
|
||
prevPtr->nextPtr = winPtr->nextPtr;
|
||
if (winPtr->nextPtr == NULL) {
|
||
winPtr->parentPtr->lastChildPtr = prevPtr;
|
||
}
|
||
}
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Tk_RestackWindow --
|
||
*
|
||
* Change a window's position in the stacking order.
|
||
*
|
||
* Results:
|
||
* TCL_OK is normally returned. If other is not a descendant
|
||
* of tkwin's parent then TCL_ERROR is returned and tkwin is
|
||
* not repositioned.
|
||
*
|
||
* Side effects:
|
||
* Tkwin is repositioned in the stacking order.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
int
|
||
Tk_RestackWindow(tkwin, aboveBelow, other)
|
||
Tk_Window tkwin; /* Token for window whose position in
|
||
* the stacking order is to change. */
|
||
int aboveBelow; /* Indicates new position of tkwin relative
|
||
* to other; must be Above or Below. */
|
||
Tk_Window other; /* Tkwin will be moved to a position that
|
||
* puts it just above or below this window.
|
||
* If NULL then tkwin goes above or below
|
||
* all windows in the same parent. */
|
||
{
|
||
TkWindow *winPtr = (TkWindow *) tkwin;
|
||
TkWindow *otherPtr = (TkWindow *) other;
|
||
XWindowChanges changes;
|
||
unsigned int mask;
|
||
|
||
|
||
/*
|
||
* Special case: if winPtr is a top-level window then just find
|
||
* the top-level ancestor of otherPtr and restack winPtr above
|
||
* otherPtr without changing any of Tk's childLists.
|
||
*/
|
||
|
||
changes.stack_mode = aboveBelow;
|
||
mask = CWStackMode;
|
||
if (winPtr->flags & TK_TOP_LEVEL) {
|
||
while ((otherPtr != NULL) && !(otherPtr->flags & TK_TOP_LEVEL)) {
|
||
otherPtr = otherPtr->parentPtr;
|
||
}
|
||
TkWmRestackToplevel(winPtr, aboveBelow, otherPtr);
|
||
return TCL_OK;
|
||
}
|
||
|
||
/*
|
||
* Find an ancestor of otherPtr that is a sibling of winPtr.
|
||
*/
|
||
|
||
if (winPtr->parentPtr == NULL) {
|
||
/*
|
||
* Window is going to be deleted shortly; don't do anything.
|
||
*/
|
||
|
||
return TCL_OK;
|
||
}
|
||
if (otherPtr == NULL) {
|
||
if (aboveBelow == Above) {
|
||
otherPtr = winPtr->parentPtr->lastChildPtr;
|
||
} else {
|
||
otherPtr = winPtr->parentPtr->childList;
|
||
}
|
||
} else {
|
||
while (winPtr->parentPtr != otherPtr->parentPtr) {
|
||
if ((otherPtr == NULL) || (otherPtr->flags & TK_TOP_LEVEL)) {
|
||
return TCL_ERROR;
|
||
}
|
||
otherPtr = otherPtr->parentPtr;
|
||
}
|
||
}
|
||
if (otherPtr == winPtr) {
|
||
return TCL_OK;
|
||
}
|
||
|
||
/*
|
||
* Reposition winPtr in the stacking order.
|
||
*/
|
||
|
||
UnlinkWindow(winPtr);
|
||
if (aboveBelow == Above) {
|
||
winPtr->nextPtr = otherPtr->nextPtr;
|
||
if (winPtr->nextPtr == NULL) {
|
||
winPtr->parentPtr->lastChildPtr = winPtr;
|
||
}
|
||
otherPtr->nextPtr = winPtr;
|
||
} else {
|
||
TkWindow *prevPtr;
|
||
|
||
prevPtr = winPtr->parentPtr->childList;
|
||
if (prevPtr == otherPtr) {
|
||
winPtr->parentPtr->childList = winPtr;
|
||
} else {
|
||
while (prevPtr->nextPtr != otherPtr) {
|
||
prevPtr = prevPtr->nextPtr;
|
||
}
|
||
prevPtr->nextPtr = winPtr;
|
||
}
|
||
winPtr->nextPtr = otherPtr;
|
||
}
|
||
|
||
/*
|
||
* Notify the X server of the change. If winPtr hasn't yet been
|
||
* created then there's no need to tell the X server now, since
|
||
* the stacking order will be handled properly when the window
|
||
* is finally created.
|
||
*/
|
||
|
||
if (winPtr->window != None) {
|
||
changes.stack_mode = Above;
|
||
for (otherPtr = winPtr->nextPtr; otherPtr != NULL;
|
||
otherPtr = otherPtr->nextPtr) {
|
||
if ((otherPtr->window != None)
|
||
&& !(otherPtr->flags & (TK_TOP_LEVEL|TK_REPARENTED))){
|
||
changes.sibling = otherPtr->window;
|
||
changes.stack_mode = Below;
|
||
mask = CWStackMode|CWSibling;
|
||
break;
|
||
}
|
||
}
|
||
XConfigureWindow(winPtr->display, winPtr->window, mask, &changes);
|
||
}
|
||
return TCL_OK;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Tk_MainWindow --
|
||
*
|
||
* Returns the main window for an application.
|
||
*
|
||
* Results:
|
||
* If interp has a Tk application associated with it, the main
|
||
* window for the application is returned. Otherwise NULL is
|
||
* returned and an error message is left in interp->result.
|
||
*
|
||
* Side effects:
|
||
* None.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
Tk_Window
|
||
Tk_MainWindow(interp)
|
||
Tcl_Interp *interp; /* Interpreter that embodies the
|
||
* application. Used for error
|
||
* reporting also. */
|
||
{
|
||
TkMainInfo *mainPtr;
|
||
|
||
for (mainPtr = tkMainWindowList; mainPtr != NULL;
|
||
mainPtr = mainPtr->nextPtr) {
|
||
if (mainPtr->interp == interp) {
|
||
return (Tk_Window) mainPtr->winPtr;
|
||
}
|
||
}
|
||
interp->result = "this isn't a Tk application";
|
||
return NULL;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Tk_StrictMotif --
|
||
*
|
||
* Indicates whether strict Motif compliance has been specified
|
||
* for the given window.
|
||
*
|
||
* Results:
|
||
* The return value is 1 if strict Motif compliance has been
|
||
* requested for tkwin's application by setting the tk_strictMotif
|
||
* variable in its interpreter to a true value. 0 is returned
|
||
* if tk_strictMotif has a false value.
|
||
*
|
||
* Side effects:
|
||
* None.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
int
|
||
Tk_StrictMotif(tkwin)
|
||
Tk_Window tkwin; /* Window whose application is
|
||
* to be checked. */
|
||
{
|
||
return ((TkWindow *) tkwin)->mainPtr->strictMotif;
|
||
}
|
||
|
||
/*
|
||
*--------------------------------------------------------------
|
||
*
|
||
* OpenIM --
|
||
*
|
||
* Tries to open an X input method, associated with the
|
||
* given display. Right now we can only deal with a bare-bones
|
||
* input style: no preedit, and no status.
|
||
*
|
||
* Results:
|
||
* Stores the input method in dispPtr->inputMethod; if there isn't
|
||
* a suitable input method, then NULL is stored in dispPtr->inputMethod.
|
||
*
|
||
* Side effects:
|
||
* An input method gets opened.
|
||
*
|
||
*--------------------------------------------------------------
|
||
*/
|
||
|
||
static void
|
||
OpenIM(dispPtr)
|
||
TkDisplay *dispPtr; /* Tk's structure for the display. */
|
||
{
|
||
#ifndef TK_USE_INPUT_METHODS
|
||
return;
|
||
#else
|
||
unsigned short i;
|
||
XIMStyles *stylePtr;
|
||
|
||
dispPtr->inputMethod = XOpenIM(dispPtr->display, NULL, NULL, NULL);
|
||
if (dispPtr->inputMethod == NULL) {
|
||
return;
|
||
}
|
||
|
||
if ((XGetIMValues(dispPtr->inputMethod, XNQueryInputStyle, &stylePtr,
|
||
NULL) != NULL) || (stylePtr == NULL)) {
|
||
goto error;
|
||
}
|
||
for (i = 0; i < stylePtr->count_styles; i++) {
|
||
if (stylePtr->supported_styles[i]
|
||
== (XIMPreeditNothing|XIMStatusNothing)) {
|
||
XFree(stylePtr);
|
||
return;
|
||
}
|
||
}
|
||
XFree(stylePtr);
|
||
|
||
error:
|
||
|
||
/*
|
||
* Should close the input method, but this causes core dumps on some
|
||
* systems (e.g. Solaris 2.3 as of 1/6/95).
|
||
* XCloseIM(dispPtr->inputMethod);
|
||
*/
|
||
dispPtr->inputMethod = NULL;
|
||
return;
|
||
#endif /* TK_USE_INPUT_METHODS */
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Tk_GetNumMainWindows --
|
||
*
|
||
* This procedure returns the number of main windows currently
|
||
* open in this process.
|
||
*
|
||
* Results:
|
||
* The number of main windows open in this process.
|
||
*
|
||
* Side effects:
|
||
* None.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
int
|
||
Tk_GetNumMainWindows()
|
||
{
|
||
return numMainWindows;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* DeleteWindowsExitProc --
|
||
*
|
||
* This procedure is invoked as an exit handler. It deletes all
|
||
* of the main windows in the process.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* None.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
static void
|
||
DeleteWindowsExitProc(clientData)
|
||
ClientData clientData; /* Not used. */
|
||
{
|
||
TkDisplay *displayPtr, *nextPtr;
|
||
Tcl_Interp *interp;
|
||
|
||
while (tkMainWindowList != NULL) {
|
||
/*
|
||
* We must protect the interpreter while deleting the window,
|
||
* because of <Destroy> bindings which could destroy the interpreter
|
||
* while the window is being deleted. This would leave frames on
|
||
* the call stack pointing at deleted memory, causing core dumps.
|
||
*/
|
||
|
||
interp = tkMainWindowList->winPtr->mainPtr->interp;
|
||
Tcl_Preserve((ClientData) interp);
|
||
Tk_DestroyWindow((Tk_Window) tkMainWindowList->winPtr);
|
||
Tcl_Release((ClientData) interp);
|
||
}
|
||
|
||
displayPtr = tkDisplayList;
|
||
tkDisplayList = NULL;
|
||
|
||
/*
|
||
* Iterate destroying the displays until no more displays remain.
|
||
* It is possible for displays to get recreated during exit by any
|
||
* code that calls GetScreen, so we must destroy these new displays
|
||
* as well as the old ones.
|
||
*/
|
||
|
||
for (displayPtr = tkDisplayList;
|
||
displayPtr != NULL;
|
||
displayPtr = tkDisplayList) {
|
||
|
||
/*
|
||
* Now iterate over the current list of open displays, and first
|
||
* set the global pointer to NULL so we will be able to notice if
|
||
* any new displays got created during deletion of the current set.
|
||
* We must also do this to ensure that Tk_IdToWindow does not find
|
||
* the old display as it is being destroyed, when it wants to see
|
||
* if it needs to dispatch a message.
|
||
*/
|
||
|
||
for (tkDisplayList = NULL; displayPtr != NULL; displayPtr = nextPtr) {
|
||
nextPtr = displayPtr->nextPtr;
|
||
if (displayPtr->name != (char *) NULL) {
|
||
ckfree(displayPtr->name);
|
||
}
|
||
Tcl_DeleteHashTable(&(displayPtr->winTable));
|
||
TkpCloseDisplay(displayPtr);
|
||
}
|
||
}
|
||
|
||
numMainWindows = 0;
|
||
tkMainWindowList = NULL;
|
||
initialized = 0;
|
||
tkDisabledUid = NULL;
|
||
tkActiveUid = NULL;
|
||
tkNormalUid = NULL;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Tk_Init --
|
||
*
|
||
* This procedure is invoked to add Tk to an interpreter. It
|
||
* incorporates all of Tk's commands into the interpreter and
|
||
* creates the main window for a new Tk application. If the
|
||
* interpreter contains a variable "argv", this procedure
|
||
* extracts several arguments from that variable, uses them
|
||
* to configure the main window, and modifies argv to exclude
|
||
* the arguments (see the "wish" documentation for a list of
|
||
* the arguments that are extracted).
|
||
*
|
||
* Results:
|
||
* Returns a standard Tcl completion code and sets interp->result
|
||
* if there is an error.
|
||
*
|
||
* Side effects:
|
||
* Depends on various initialization scripts that get invoked.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
#ifndef SCM_CODE
|
||
int
|
||
Tk_Init(interp)
|
||
Tcl_Interp *interp; /* Interpreter to initialize. */
|
||
{
|
||
return Initialize(interp);
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Tk_SafeInit --
|
||
*
|
||
* This procedure is invoked to add Tk to a safe interpreter. It
|
||
* invokes the internal procedure that does the real work.
|
||
*
|
||
* Results:
|
||
* Returns a standard Tcl completion code and sets interp->result
|
||
* if there is an error.
|
||