540 lines
12 KiB
C
540 lines
12 KiB
C
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/*
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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 1.13 96/04/11 17:52:20
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*/
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#include "tkWinInt.h"
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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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* TkMakeWindow --
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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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TkMakeWindow(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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TkWinDrawable *twdPtr;
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int style;
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twdPtr = (TkWinDrawable*) ckalloc(sizeof(TkWinDrawable));
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if (twdPtr == NULL) {
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return None;
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}
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twdPtr->type = TWD_WINDOW;
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twdPtr->window.winPtr = winPtr;
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if (parent != None) {
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parentWin = TkWinGetHWND(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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twdPtr->window.handle = CreateWindow(TK_WIN_CHILD_CLASS_NAME, "", style,
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winPtr->changes.x, winPtr->changes.y,
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winPtr->changes.width, winPtr->changes.height,
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parentWin, NULL, TkWinGetAppInstance(), twdPtr);
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if (twdPtr->window.handle == NULL) {
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ckfree((char *) twdPtr);
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twdPtr = NULL;
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}
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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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* 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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TkWinDrawable *twdPtr = (TkWinDrawable *)w;
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TkWindow *winPtr = TkWinGetWinPtr(w);
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HWND hwnd = TkWinGetHWND(w);
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display->request++;
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/*
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* Remove references to the window in the pointer module, and
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* then remove the backpointer from the drawable.
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*/
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TkWinPointerDeadWindow(winPtr);
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twdPtr->window.winPtr = NULL;
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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. Also if the window has already been destroyed
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* then we need to free the drawable now.
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*/
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if (!hwnd) {
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ckfree((char *)twdPtr);
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} else if (!(winPtr->flags & TK_PARENT_DESTROYED)) {
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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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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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* 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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}
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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.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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eventPtr->xvisibility.window = winPtr->window;
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Tk_QueueWindowEvent(eventPtr, TCL_QUEUE_TAIL);
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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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ShowWindow(TkWinGetHWND(w), SW_HIDE);
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winPtr->flags &= ~TK_MAPPED;
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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_QueueWindowEvent(&event, TCL_QUEUE_TAIL);
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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
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* ignore the passed in values and use the values stored in the
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|
* 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 window = TkWinGetHWND(w);
|
|||
|
|
HWND insertAfter;
|
|||
|
|
|
|||
|
|
display->request++;
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
* Change the shape and/or position of the window.
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
if (value_mask & (CWX|CWY|CWWidth|CWHeight)) {
|
|||
|
|
MoveWindow(window, winPtr->changes.x, winPtr->changes.y,
|
|||
|
|
winPtr->changes.width, winPtr->changes.height, TRUE);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
* Change the stacking order of the window.
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
if (value_mask & CWStackMode) {
|
|||
|
|
if ((value_mask & CWSibling) && (values->sibling != None)) {
|
|||
|
|
HWND sibling = TkWinGetHWND(values->sibling);
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
* Windows doesn't support the Above mode, so we insert the
|
|||
|
|
* window just below the sibling and then swap them.
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
if (values->stack_mode == Above) {
|
|||
|
|
SetWindowPos(window, sibling, 0, 0, 0, 0,
|
|||
|
|
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
|
|||
|
|
insertAfter = window;
|
|||
|
|
window = sibling;
|
|||
|
|
} else {
|
|||
|
|
insertAfter = sibling;
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
insertAfter = (values->stack_mode == Above) ? HWND_TOP
|
|||
|
|
: HWND_BOTTOM;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
SetWindowPos(window, insertAfter, 0, 0, 0, 0,
|
|||
|
|
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
*----------------------------------------------------------------------
|
|||
|
|
*
|
|||
|
|
* 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);
|
|||
|
|
}
|
|||
|
|
}
|