802 lines
18 KiB
C
802 lines
18 KiB
C
/*
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* tkWinWindow.c --
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*
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* Xlib emulation routines for Windows related to creating,
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* displaying and destroying windows.
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*
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* Copyright (c) 1995 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: @(#) tkWinWindow.c 1.23 97/07/01 18:14:13
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*/
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#include "tkWinInt.h"
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/*
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* The windowTable maps from HWND to Tk_Window handles.
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*/
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static Tcl_HashTable windowTable;
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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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* Forward declarations for procedures defined in this file:
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*/
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static void NotifyVisibility _ANSI_ARGS_((XEvent *eventPtr,
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TkWindow *winPtr));
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static void StackWindow _ANSI_ARGS_((Window w, Window sibling,
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int stack_mode));
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/*
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*----------------------------------------------------------------------
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*
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* Tk_AttachHWND --
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*
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* This function binds an HWND and a reflection procedure to
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* the specified Tk_Window.
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*
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* Results:
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* Returns an X Window that encapsulates the HWND.
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*
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* Side effects:
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* May allocate a new X Window. Also enters the HWND into the
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* global window table.
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*
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*----------------------------------------------------------------------
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*/
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Window
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Tk_AttachHWND(tkwin, hwnd)
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Tk_Window tkwin;
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HWND hwnd;
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{
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int new;
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Tcl_HashEntry *entryPtr;
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TkWinDrawable *twdPtr = (TkWinDrawable *) Tk_WindowId(tkwin);
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if (!initialized) {
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Tcl_InitHashTable(&windowTable, TCL_ONE_WORD_KEYS);
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initialized = 1;
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}
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/*
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* Allocate a new drawable if necessary. Otherwise, remove the
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* previous HWND from from the window table.
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*/
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if (twdPtr == NULL) {
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twdPtr = (TkWinDrawable*) ckalloc(sizeof(TkWinDrawable));
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twdPtr->type = TWD_WINDOW;
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twdPtr->window.winPtr = (TkWindow *) tkwin;
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} else if (twdPtr->window.handle != NULL) {
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entryPtr = Tcl_FindHashEntry(&windowTable,
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(char *)twdPtr->window.handle);
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Tcl_DeleteHashEntry(entryPtr);
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}
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/*
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* Insert the new HWND into the window table.
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*/
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twdPtr->window.handle = hwnd;
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entryPtr = Tcl_CreateHashEntry(&windowTable, (char *)hwnd, &new);
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Tcl_SetHashValue(entryPtr, (ClientData)tkwin);
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return (Window)twdPtr;
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}
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/*
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*----------------------------------------------------------------------
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*
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* Tk_HWNDToWindow --
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*
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* This function retrieves a Tk_Window from the window table
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* given an HWND.
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*
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* Results:
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* Returns the matching Tk_Window.
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*
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* Side effects:
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* None.
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*
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*----------------------------------------------------------------------
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*/
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Tk_Window
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Tk_HWNDToWindow(hwnd)
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HWND hwnd;
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{
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Tcl_HashEntry *entryPtr;
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if (!initialized) {
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Tcl_InitHashTable(&windowTable, TCL_ONE_WORD_KEYS);
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initialized = 1;
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}
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entryPtr = Tcl_FindHashEntry(&windowTable, (char*)hwnd);
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if (entryPtr != NULL) {
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return (Tk_Window) Tcl_GetHashValue(entryPtr);
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}
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return NULL;
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}
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/*
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*----------------------------------------------------------------------
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*
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* Tk_GetHWND --
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*
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* This function extracts the HWND from an X Window.
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*
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* Results:
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* Returns the HWND associated with the Window.
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*
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* Side effects:
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* None.
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*
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*----------------------------------------------------------------------
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*/
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HWND
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Tk_GetHWND(window)
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Window window;
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{
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TkWinDrawable *twdPtr = (TkWinDrawable *) window;
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return twdPtr->window.handle;
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}
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/*
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*----------------------------------------------------------------------
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*
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* TkpPrintWindowId --
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*
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* This routine stores the string representation of the
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* platform dependent window handle for an X Window in the
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* given buffer.
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*
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* Results:
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* Returns the result in the specified buffer.
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*
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* Side effects:
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* None.
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*
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*----------------------------------------------------------------------
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*/
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void
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TkpPrintWindowId(buf, window)
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char *buf; /* Pointer to string large enough to hold
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* the hex representation of a pointer. */
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Window window; /* Window to be printed into buffer. */
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{
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HWND hwnd = (window) ? Tk_GetHWND(window) : 0;
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sprintf(buf, "0x%x", (unsigned int) hwnd);
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}
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/*
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*----------------------------------------------------------------------
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*
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* TkpScanWindowId --
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*
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* Given a string which represents the platform dependent window
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* handle, produce the X Window id for the window.
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*
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* Results:
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* The return value is normally TCL_OK; in this case *idPtr
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* will be set to the X Window id equivalent to string. If
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* string is improperly formed then TCL_ERROR is returned and
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* an error message will be left in interp->result. If the
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* number does not correspond to a Tk Window, then *idPtr will
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* be set to None.
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*
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* Side effects:
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* None.
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*
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*----------------------------------------------------------------------
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*/
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int
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TkpScanWindowId(interp, string, idPtr)
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Tcl_Interp *interp; /* Interpreter to use for error reporting. */
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char *string; /* String containing a (possibly signed)
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* integer in a form acceptable to strtol. */
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int *idPtr; /* Place to store converted result. */
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{
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int number;
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Tk_Window tkwin;
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if (Tcl_GetInt(interp, string, &number) != TCL_OK) {
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return TCL_ERROR;
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}
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tkwin = Tk_HWNDToWindow((HWND)number);
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if (tkwin) {
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*idPtr = Tk_WindowId(tkwin);
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} else {
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*idPtr = None;
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}
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return TCL_OK;
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}
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/*
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*----------------------------------------------------------------------
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*
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* TkpMakeWindow --
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*
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* Creates a Windows window object based on the current attributes
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* of the specified TkWindow.
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*
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* Results:
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* Returns a pointer to a new TkWinDrawable cast to a Window.
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*
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* Side effects:
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* Creates a new window.
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*
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*----------------------------------------------------------------------
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*/
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Window
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TkpMakeWindow(winPtr, parent)
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TkWindow *winPtr;
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Window parent;
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{
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HWND parentWin;
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int style;
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HWND hwnd;
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if (parent != None) {
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parentWin = Tk_GetHWND(parent);
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style = WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
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} else {
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parentWin = NULL;
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style = WS_POPUP | WS_CLIPCHILDREN;
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}
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/*
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* Create the window, then ensure that it is at the top of the
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* stacking order.
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*/
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hwnd = CreateWindowEx(WS_EX_NOPARENTNOTIFY, TK_WIN_CHILD_CLASS_NAME, NULL,
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style, Tk_X(winPtr), Tk_Y(winPtr), Tk_Width(winPtr),
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Tk_Height(winPtr), parentWin, NULL, Tk_GetHINSTANCE(), NULL);
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SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0,
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SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
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return Tk_AttachHWND((Tk_Window)winPtr, hwnd);
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}
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/*
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*----------------------------------------------------------------------
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*
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* XDestroyWindow --
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*
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* Destroys the given window.
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*
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* Results:
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* None.
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*
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* Side effects:
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* Sends the WM_DESTROY message to the window and then destroys
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* it the Win32 resources associated with the window.
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*
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*----------------------------------------------------------------------
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*/
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void
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XDestroyWindow(display, w)
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Display* display;
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Window w;
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{
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Tcl_HashEntry *entryPtr;
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TkWinDrawable *twdPtr = (TkWinDrawable *)w;
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TkWindow *winPtr = TkWinGetWinPtr(w);
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HWND hwnd = Tk_GetHWND(w);
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display->request++;
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/*
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* Remove references to the window in the pointer module then
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* release the drawable.
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*/
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TkPointerDeadWindow(winPtr);
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entryPtr = Tcl_FindHashEntry(&windowTable, (char*)hwnd);
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if (entryPtr != NULL) {
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Tcl_DeleteHashEntry(entryPtr);
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}
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ckfree((char *)twdPtr);
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/*
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* Don't bother destroying the window if we are going to destroy
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* the parent later.
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*/
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if (hwnd != NULL && !(winPtr->flags & TK_DONT_DESTROY_WINDOW)) {
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DestroyWindow(hwnd);
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}
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}
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/*
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*----------------------------------------------------------------------
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*
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* XMapWindow --
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*
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* Cause the given window to become visible.
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*
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* Results:
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* None
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*
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* Side effects:
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* Causes the window state to change, and generates a MapNotify
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* event.
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*
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*----------------------------------------------------------------------
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*/
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void
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XMapWindow(display, w)
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Display* display;
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Window w;
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{
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XEvent event;
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TkWindow *parentPtr;
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TkWindow *winPtr = TkWinGetWinPtr(w);
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display->request++;
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ShowWindow(TkWinGetHWND(w), SW_SHOWNORMAL);
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winPtr->flags |= TK_MAPPED;
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/*
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* Check to see if this window is visible now. If all of the parent
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* windows up to the first toplevel are mapped, then this window and
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* its mapped children have just become visible.
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*/
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if (!(winPtr->flags & TK_TOP_LEVEL)) {
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for (parentPtr = winPtr->parentPtr; ;
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parentPtr = parentPtr->parentPtr) {
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if ((parentPtr == NULL) || !(parentPtr->flags & TK_MAPPED)) {
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return;
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}
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if (parentPtr->flags & TK_TOP_LEVEL) {
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break;
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}
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}
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} else {
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event.type = MapNotify;
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event.xmap.serial = display->request;
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event.xmap.send_event = False;
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event.xmap.display = display;
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event.xmap.event = winPtr->window;
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event.xmap.window = winPtr->window;
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event.xmap.override_redirect = winPtr->atts.override_redirect;
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Tk_QueueWindowEvent(&event, TCL_QUEUE_TAIL);
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}
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/*
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* Generate VisibilityNotify events for this window and its mapped
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* children.
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*/
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event.type = VisibilityNotify;
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event.xvisibility.serial = display->request;
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event.xvisibility.send_event = False;
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event.xvisibility.display = display;
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event.xvisibility.window = winPtr->window;
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event.xvisibility.state = VisibilityUnobscured;
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NotifyVisibility(&event, winPtr);
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}
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/*
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*----------------------------------------------------------------------
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*
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* NotifyVisibility --
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*
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* This function recursively notifies the mapped children of the
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* specified window of a change in visibility. Note that we don't
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* properly report the visibility state, since Windows does not
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* provide that info. The eventPtr argument must point to an event
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* that has been completely initialized except for the window slot.
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*
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* Results:
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* None.
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*
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* Side effects:
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* Generates lots of events.
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*
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*----------------------------------------------------------------------
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*/
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static void
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NotifyVisibility(eventPtr, winPtr)
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XEvent *eventPtr; /* Initialized VisibilityNotify event. */
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TkWindow *winPtr; /* Window to notify. */
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{
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if (winPtr->atts.event_mask & VisibilityChangeMask) {
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eventPtr->xvisibility.window = winPtr->window;
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Tk_QueueWindowEvent(eventPtr, TCL_QUEUE_TAIL);
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}
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for (winPtr = winPtr->childList; winPtr != NULL;
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winPtr = winPtr->nextPtr) {
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if (winPtr->flags & TK_MAPPED) {
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NotifyVisibility(eventPtr, winPtr);
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}
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}
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}
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/*
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*----------------------------------------------------------------------
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*
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* XUnmapWindow --
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*
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* Cause the given window to become invisible.
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*
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* Results:
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* None
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*
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* Side effects:
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* Causes the window state to change, and generates an UnmapNotify
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* event.
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*
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*----------------------------------------------------------------------
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*/
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void
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XUnmapWindow(display, w)
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Display* display;
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Window w;
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{
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XEvent event;
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TkWindow *winPtr = TkWinGetWinPtr(w);
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display->request++;
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/*
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* Bug fix: Don't short circuit this routine based on TK_MAPPED because
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* it will be cleared before XUnmapWindow is called.
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*/
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ShowWindow(TkWinGetHWND(w), SW_HIDE);
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winPtr->flags &= ~TK_MAPPED;
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if (winPtr->flags & TK_TOP_LEVEL) {
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event.type = UnmapNotify;
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event.xunmap.serial = display->request;
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event.xunmap.send_event = False;
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event.xunmap.display = display;
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event.xunmap.event = winPtr->window;
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event.xunmap.window = winPtr->window;
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event.xunmap.from_configure = False;
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Tk_HandleEvent(&event);
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}
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}
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/*
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*----------------------------------------------------------------------
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*
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* XMoveResizeWindow --
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*
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* Move and resize a window relative to its parent.
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*
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* Results:
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* None.
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*
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* Side effects:
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* Repositions and resizes the specified window.
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*
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*----------------------------------------------------------------------
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*/
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void
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XMoveResizeWindow(display, w, x, y, width, height)
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Display* display;
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Window w;
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int x; /* Position relative to parent. */
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int y;
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unsigned int width;
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unsigned int height;
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{
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display->request++;
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MoveWindow(TkWinGetHWND(w), x, y, width, height, TRUE);
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}
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/*
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*----------------------------------------------------------------------
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*
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* XMoveWindow --
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*
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* Move a window relative to its parent.
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*
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* Results:
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* None.
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*
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* Side effects:
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* Repositions the specified window.
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*
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*----------------------------------------------------------------------
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*/
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void
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XMoveWindow(display, w, x, y)
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Display* display;
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Window w;
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int x;
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int y;
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{
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TkWindow *winPtr = TkWinGetWinPtr(w);
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display->request++;
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MoveWindow(TkWinGetHWND(w), x, y, winPtr->changes.width,
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winPtr->changes.height, TRUE);
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}
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/*
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*----------------------------------------------------------------------
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*
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* XResizeWindow --
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*
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* Resize a window.
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*
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* Results:
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* None.
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*
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* Side effects:
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* Resizes the specified window.
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*
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*----------------------------------------------------------------------
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*/
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void
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XResizeWindow(display, w, width, height)
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Display* display;
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Window w;
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unsigned int width;
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unsigned int height;
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{
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TkWindow *winPtr = TkWinGetWinPtr(w);
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display->request++;
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MoveWindow(TkWinGetHWND(w), winPtr->changes.x, winPtr->changes.y, width,
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height, TRUE);
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}
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/*
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*----------------------------------------------------------------------
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*
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* XRaiseWindow --
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*
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* Change the stacking order of a window.
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*
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* Results:
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* None.
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*
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* Side effects:
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* Changes the stacking order of the specified window.
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*
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*----------------------------------------------------------------------
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*/
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void
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XRaiseWindow(display, w)
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Display* display;
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Window w;
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{
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HWND window = TkWinGetHWND(w);
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display->request++;
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SetWindowPos(window, HWND_TOPMOST, 0, 0, 0, 0,
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SWP_NOMOVE | SWP_NOSIZE);
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}
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/*
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*----------------------------------------------------------------------
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*
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* XConfigureWindow --
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*
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* Change the size, position, stacking, or border of the specified
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* window.
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*
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* Results:
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* None.
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*
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* Side effects:
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* Changes the attributes of the specified window. Note that we
|
||
* ignore the passed in values and use the values stored in the
|
||
* TkWindow data structure.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
void
|
||
XConfigureWindow(display, w, value_mask, values)
|
||
Display* display;
|
||
Window w;
|
||
unsigned int value_mask;
|
||
XWindowChanges* values;
|
||
{
|
||
TkWindow *winPtr = TkWinGetWinPtr(w);
|
||
HWND hwnd = TkWinGetHWND(w);
|
||
|
||
display->request++;
|
||
|
||
/*
|
||
* Change the shape and/or position of the window.
|
||
*/
|
||
|
||
if (value_mask & (CWX|CWY|CWWidth|CWHeight)) {
|
||
MoveWindow(hwnd, winPtr->changes.x, winPtr->changes.y,
|
||
winPtr->changes.width, winPtr->changes.height, TRUE);
|
||
}
|
||
|
||
/*
|
||
* Change the stacking order of the window.
|
||
*/
|
||
|
||
if (value_mask & CWStackMode) {
|
||
HWND sibling;
|
||
if ((value_mask & CWSibling) && (values->sibling != None)) {
|
||
sibling = Tk_GetHWND(values->sibling);
|
||
} else {
|
||
sibling = NULL;
|
||
}
|
||
TkWinSetWindowPos(hwnd, sibling, values->stack_mode);
|
||
}
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* XClearWindow --
|
||
*
|
||
* Clears the entire window to the current background color.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Erases the current contents of the window.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
void
|
||
XClearWindow(display, w)
|
||
Display* display;
|
||
Window w;
|
||
{
|
||
RECT rc;
|
||
HBRUSH brush;
|
||
HPALETTE oldPalette, palette;
|
||
TkWindow *winPtr;
|
||
HWND hwnd = TkWinGetHWND(w);
|
||
HDC dc = GetDC(hwnd);
|
||
|
||
palette = TkWinGetPalette(display->screens[0].cmap);
|
||
oldPalette = SelectPalette(dc, palette, FALSE);
|
||
|
||
display->request++;
|
||
|
||
winPtr = TkWinGetWinPtr(w);
|
||
brush = CreateSolidBrush(winPtr->atts.background_pixel);
|
||
GetWindowRect(hwnd, &rc);
|
||
rc.right = rc.right - rc.left;
|
||
rc.bottom = rc.bottom - rc.top;
|
||
rc.left = rc.top = 0;
|
||
FillRect(dc, &rc, brush);
|
||
|
||
DeleteObject(brush);
|
||
SelectPalette(dc, oldPalette, TRUE);
|
||
ReleaseDC(hwnd, dc);
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* XChangeWindowAttributes --
|
||
*
|
||
* This function is called when the attributes on a window are
|
||
* updated. Since Tk maintains all of the window state, the only
|
||
* relevant value is the cursor.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* May cause the mouse position to be updated.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
void
|
||
XChangeWindowAttributes(display, w, valueMask, attributes)
|
||
Display* display;
|
||
Window w;
|
||
unsigned long valueMask;
|
||
XSetWindowAttributes* attributes;
|
||
{
|
||
if (valueMask & CWCursor) {
|
||
XDefineCursor(display, w, attributes->cursor);
|
||
}
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TkWinSetWindowPos --
|
||
*
|
||
* Adjust the stacking order of a window relative to a second
|
||
* window (or NULL).
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Moves the specified window in the stacking order.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
void
|
||
TkWinSetWindowPos(hwnd, siblingHwnd, pos)
|
||
HWND hwnd; /* Window to restack. */
|
||
HWND siblingHwnd; /* Sibling window. */
|
||
int pos; /* One of Above or Below. */
|
||
{
|
||
HWND temp;
|
||
|
||
/*
|
||
* Since Windows does not support Above mode, we place the
|
||
* specified window below the sibling and then swap them.
|
||
*/
|
||
|
||
if (siblingHwnd) {
|
||
if (pos == Above) {
|
||
SetWindowPos(hwnd, siblingHwnd, 0, 0, 0, 0,
|
||
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
|
||
temp = hwnd;
|
||
hwnd = siblingHwnd;
|
||
siblingHwnd = temp;
|
||
}
|
||
} else {
|
||
siblingHwnd = (pos == Above) ? HWND_TOP : HWND_BOTTOM;
|
||
}
|
||
|
||
SetWindowPos(hwnd, siblingHwnd, 0, 0, 0, 0,
|
||
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TkpWindowWasRecentlyDeleted --
|
||
*
|
||
* Determines whether we know if the window given as argument was
|
||
* recently deleted. Called by the generic code error handler to
|
||
* handle BadWindow events.
|
||
*
|
||
* Results:
|
||
* Always 0. We do not keep this information on Windows.
|
||
*
|
||
* Side effects:
|
||
* None.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
int
|
||
TkpWindowWasRecentlyDeleted(win, dispPtr)
|
||
Window win;
|
||
TkDisplay *dispPtr;
|
||
{
|
||
return 0;
|
||
}
|