PAGER_Clear(scr);    PAN_Raise(scr);}/* * lower a window */voidWIN_Lower(ScreenInfo *scr, MwmWindow *t){    if (t->child)	lower_children(t->child);    XLowerWindow(dpy, t->frame);    MISC_SetTimer(0);    if ((scr->pager_win) && !(t->flags & STICKY))	XLowerWindow(dpy, t->pager_view);    if ((t->flags & ICONIFIED))    {	XLowerWindow(dpy, t->icon_w);	XLowerWindow(dpy, t->icon_pixmap_w);    }    scr->mwm_last_raised = (MwmWindow *)0;    if (scr->pager_child_win)	XLowerWindow(dpy, scr->pager_child_win);    PAGER_Clear(scr);}/* * adjust the given width and height to account for the constraints imposed * by size hints * The general algorithm, especially the aspect ratio stuff, is borrowed from * uwm's CheckConsistency routine. */voidWIN_ConstrainWindow(ScreenInfo *scr, MwmWindow *tmp_win,		    int *widthp, int *heightp){    int minWidth, minHeight, maxWidth, maxHeight, xinc, yinc, delta;    int baseWidth, baseHeight;    int dwidth = *widthp, dheight = *heightp;    dwidth -= (2 * tmp_win->boundary_width + 2 * tmp_win->matte_width);    dheight -= (tmp_win->title_height + 2 * tmp_win->boundary_width +		2 * tmp_win->matte_width);    minWidth = tmp_win->hints.min_width;    minHeight = tmp_win->hints.min_height;    baseWidth = tmp_win->hints.base_width;    baseHeight = tmp_win->hints.base_height;    maxWidth = tmp_win->hints.max_width;    maxHeight = tmp_win->hints.max_height;/*  maxWidth = scr->virt_x_max + scr->d_width;   maxHeight = scr->virt_y_max + scr->d_height; */    xinc = tmp_win->hints.width_inc;    yinc = tmp_win->hints.height_inc;    /*     * First, clamp to min and max values     */    if (dwidth < minWidth)	dwidth = minWidth;    if (dheight < minHeight)	dheight = minHeight;    if (dwidth > maxWidth)	dwidth = maxWidth;    if (dheight > maxHeight)	dheight = maxHeight;    /*     * Second, fit to base + N * inc     */    dwidth = ((dwidth - baseWidth) / xinc * xinc) + baseWidth;    dheight = ((dheight - baseHeight) / yinc * yinc) + baseHeight;    /*     * Third, adjust for aspect ratio     * The math looks like this:     *     * minAspectX    dwidth     maxAspectX     * ---------- <= ------- <= ----------     * minAspectY    dheight    maxAspectY     *     * If that is multiplied out, then the width and height are     * invalid in the following situations:     *     * minAspectX * dheight > minAspectY * dwidth     * maxAspectX * dheight < maxAspectY * dwidth     *      */    if (tmp_win->hints.flags & PAspect)    {	if (MinAspectX(tmp_win) * dheight > MinAspectY(tmp_win) * dwidth)	{	    delta = makemult(MinAspectX(tmp_win) * dheight /			     MinAspectY(tmp_win) - dwidth, xinc);	    if (dwidth + delta <= maxWidth)		dwidth += delta;	    else	    {		delta = makemult(dheight - dwidth * MinAspectY(tmp_win) /				 MinAspectX(tmp_win), yinc);		if (dheight - delta >= minHeight)		    dheight -= delta;	    }	}	if (MaxAspectX(tmp_win) * dheight < MaxAspectY(tmp_win) * dwidth)	{	    delta = makemult(dwidth * MaxAspectY(tmp_win) /			     MaxAspectX(tmp_win) - dheight, yinc);	    if (dheight + delta <= maxHeight)		dheight += delta;	    else	    {		delta = makemult(dwidth - MaxAspectX(tmp_win) * dheight /				 MaxAspectY(tmp_win), xinc);		if (dwidth - delta >= minWidth)		    dwidth -= delta;	    }	}    }    /*     * Fourth, account for border width and title height     */    *widthp = dwidth + 2 * tmp_win->boundary_width +	2 * tmp_win->matte_width;    *heightp = dheight + tmp_win->title_height +	2 * tmp_win->boundary_width + 2 * tmp_win->matte_width;}/* * move/draw a window outline */voidWIN_DrawOutline(ScreenInfo *scr, Window root, int x, int y, int width, int height){    static int lastx = 0;    static int lasty = 0;    static int lastWidth = 0;    static int lastHeight = 0;    XRectangle rects[5];    if (x == lastx && y == lasty && width == lastWidth && height == lastHeight)	return;    /* undraw the old one, if any */    if (lastWidth || lastHeight)    {	rects[0].x = lastx;	rects[0].y = lasty;	rects[0].width = lastWidth;	rects[0].height = lastHeight;	rects[1].x = lastx + 1;	rects[1].y = lasty + 1;	rects[1].width = lastWidth - 2;	rects[1].height = lastHeight - 2;	rects[2].x = lastx + 2;	rects[2].y = lasty + 2;	rects[2].width = lastWidth - 4;	rects[2].height = lastHeight - 4;	rects[3].x = lastx + 3;	rects[3].y = lasty + 3 + (lastHeight - 6) / 3;	rects[3].width = lastWidth - 6;	rects[3].height = (lastHeight - 6) / 3;	rects[4].x = lastx + 3 + (lastWidth - 6) / 3;	rects[4].y = lasty + 3;	rects[4].width = (lastWidth - 6) / 3;	rects[4].height = (lastHeight - 6);	XDrawRectangles(dpy, scr->root_win, scr->resize_GC, rects, 5);    }    lastx = x;    lasty = y;    lastWidth = width;    lastHeight = height;    /* draw the new one, if any */    if (lastWidth || lastHeight)    {	rects[0].x = lastx;	rects[0].y = lasty;	rects[0].width = lastWidth;	rects[0].height = lastHeight;	rects[1].x = lastx + 1;	rects[1].y = lasty + 1;	rects[1].width = lastWidth - 2;	rects[1].height = lastHeight - 2;	rects[2].x = lastx + 2;	rects[2].y = lasty + 2;	rects[2].width = lastWidth - 4;	rects[2].height = lastHeight - 4;	rects[3].x = lastx + 3;	rects[3].y = lasty + 3 + (lastHeight - 6) / 3;	rects[3].width = lastWidth - 6;	rects[3].height = (lastHeight - 6) / 3;	rects[4].x = lastx + 3 + (lastWidth - 6) / 3;	rects[4].y = lasty + 3;	rects[4].width = (lastWidth - 6) / 3;	rects[4].height = (lastHeight - 6);	XDrawRectangles(dpy, scr->root_win, scr->resize_GC, rects, 5);    }}/* * Releases dynamically allocated space used to store window/icon names */voidWIN_FreeNames(MwmWindow *tmp, Bool nukename, Bool nukeicon){    if (!tmp)	return;    if (nukename && nukeicon)    {	if (tmp->name == tmp->icon_active_label)	{	    if (tmp->name != NoName)		XFree(tmp->name);	    tmp->name = NULL;	    tmp->icon_active_label = NULL;	}	else	{	    if (tmp->name != NoName)		XFree(tmp->name);	    tmp->name = NULL;	    if (tmp->icon_active_label != NoName)		XFree(tmp->icon_active_label);	    tmp->icon_active_label = NULL;	}    }    else if (nukename)    {	if (tmp->name != tmp->icon_active_label && tmp->name != NoName)	    XFree(tmp->name);	tmp->name = NULL;    }    else    {				/* if (nukeicon) */	if (tmp->icon_active_label != tmp->name && tmp->icon_active_label != NoName)	    XFree(tmp->icon_active_label);	tmp->icon_active_label = NULL;    }}/* * map a window */voidWIN_MapWindow(ScreenInfo *scr, Window win){    MwmWindow *tmp;    if (XFindContext(dpy, win, MwmContext, (XPointer *)&tmp) == XCNOENT)	tmp = NULL;    XFlush(dpy);    /* If the window has never been mapped before ... */    if (!tmp)    {	/* Add decorations. */	tmp = add_window(scr, win);	if (tmp == NULL)	    return;    }    /* If it's not merely iconified, and we have hints, use them. */    if (!(tmp->flags & ICONIFIED))    {	int state;	if (tmp->wmhints && (tmp->wmhints->flags & StateHint))	    state = tmp->wmhints->initial_state;	else	    state = NormalState;	if (tmp->flags & STARTICONIC)	    state = IconicState;	if (isIconicState != DontCareState)	    state = isIconicState;	XGrabServer(dpy);	switch (state)	{	case DontCareState:	case NormalState:	case InactiveState:	default:	    if (tmp->Desk == scr->current_desk)	    {		XMapWindow(dpy, tmp->w);		XMapWindow(dpy, tmp->frame);		tmp->flags |= MAP_PENDING;		PROP_SetState(tmp, NormalState);		if (Mwm.keyboard_focus_policy == XmEXPLICIT &&		    Mwm.startup_key_focus)		{		    WIN_SetFocusInTree(tmp);		    WIN_SetFocus(scr, tmp->w, tmp);		    MISC_SetFocusSequence(scr);		}	    }	    else	    {		XMapWindow(dpy, tmp->w);		PROP_SetState(tmp, NormalState);	    }	    break;	case IconicState:	    ICON_Iconify(scr, tmp, 0, 0);	    break;	}	XSync(dpy, 0);	XUngrabServer(dpy);    }    /* If no hints, or currently an icon, just "deiconify" */    else	ICON_DeIconify(scr, tmp);}/* * Handles destruction of a window  */voidWIN_DestroyWindow(ScreenInfo *scr, MwmWindow *tmp){    int i;    /*     * Warning, this is also called by HandleUnmapNotify; if it ever needs to     * look at the event, HandleUnmapNotify will have to mash the UnmapNotify     * into a DestroyNotify.     */    if (!tmp)	return;    MISC_DestroyChildren(scr, tmp);    MENU_DestroyWindowMenu(scr, tmp);    XUnmapWindow(dpy, tmp->frame);    XSync(dpy, 0);    if (tmp == scr->mwm_highlight)    {	scr->mwm_highlight = NULL;    }    if (scr->mwm_last_focus == tmp)    {	scr->mwm_last_focus = NULL;    }    if (scr->mwm_event == tmp)    {	scr->mwm_event = NULL;    }    if (tmp == scr->mwm_focus && Mwm.keyboard_focus_policy == XmEXPLICIT &&	Mwm.auto_key_focus)    {	if (tmp->next != NULL)	{	    WIN_SetFocusInTree(tmp->next);	    WIN_SetFocus(scr, tmp->next->w, tmp->next);	}	else if (tmp->ancestor)	{	    WIN_SetFocusInTree(tmp->ancestor);	    WIN_SetFocus(scr, tmp->ancestor->w, tmp->ancestor);	}	else        {	    WIN_SetFocus(scr, scr->no_focus_win, NULL);        }    }    MISC_RemoveFromTree(scr, tmp);    if (scr->mwm_focus == tmp)    {	WIN_SetFocus(scr, scr->no_focus_win, NULL);    }    MISC_SetFocusSequence(scr);    if (tmp == scr->mwm_pushed)	scr->mwm_pushed = NULL;    if (tmp == scr->mwm_colormap)	scr->mwm_colormap = NULL;    XDestroyWindow(dpy, tmp->frame);    XDeleteContext(dpy, tmp->frame, MwmContext);    XDestroyWindow(dpy, tmp->parent);    XDeleteContext(dpy, tmp->parent, MwmContext);    XDeleteContext(dpy, tmp->w, MwmContext);    if ((tmp->icon_w) && (tmp->flags & PIXMAP_OURS))	XFreePixmap(dpy, tmp->icon_pixmap);    if ((scr->pager_win) && !(tmp->flags & STICKY))	XDestroyWindow(dpy, tmp->pager_view);    if (tmp->icon_w)    {	XDestroyWindow(dpy, tmp->icon_w);	XDeleteContext(dpy, tmp->icon_w, MwmContext);    }    if ((tmp->flags & ICON_OURS) && (tmp->icon_pixmap_w != None))	XDestroyWindow(dpy, tmp->icon_pixmap_w);    if (tmp->icon_pixmap_w != None)	XDeleteContext(dpy, tmp->icon_pixmap_w, MwmContext);    for (i = 0; i < 4; i++)    {	if (tmp->icon_borders[i] != None)	{	    XDestroyWindow(dpy, tmp->icon_borders[i]);	    XDeleteContext(dpy, tmp->icon_borders[i], MwmContext);	}    }    if (tmp->decorations & MWM_DECOR_TITLE)    {	XDeleteContext(dpy, tmp->title, MwmContext);	if (tmp->menub != None)	    XDeleteContext(dpy, tmp->menub, MwmContext);	if (tmp->menub != None)	    XDeleteContext(dpy, tmp->menub, MwmContext);    }    if (tmp->decorations & MWM_DECOR_BORDER)    {	for (i = 0; i < 4; i++)	    XDeleteContext(dpy, tmp->sides[i], MwmContext);    }    if (tmp->decorations & MWM_DECOR_RESIZEH)    {	for (i = 0; i < 4; i++)	    XDeleteContext(dpy, tmp->corners[i], MwmContext);    }    WIN_FreeNames(tmp, True, True);    if (tmp->wmhints)	XFree((char *)tmp->wmhints);    if (tmp->classhint.res_name && tmp->classhint.res_name != NoName)	XFree((char *)tmp->classhint.res_name);    if (tmp->classhint.res_class && tmp->classhint.res_class != NoName)	XFree((char *)tmp->classhint.res_class);    if (tmp->mwm_hints)	XFree((char *)tmp->mwm_hints);    if (tmp->mwm_menu)	XFree((char *)tmp->mwm_menu);    if (tmp->mwm_messages)	XFree((char *)tmp->mwm_messages);    if (tmp->cmap_windows != (Window *)NULL)	XFree((void *)tmp->cmap_windows);    XtFree((char *)tmp);    PAGER_Clear(scr);    XSync(dpy, 0);}