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+\documentclass{article}
+\usepackage{axiom}
+\begin{document}
+\title{\$SPAD/src/titlebar}
+\author{The Axiom Team}
+\maketitle
+\begin{abstract}
+\end{abstract}
+\eject
+\tableofcontents
+\eject
+\section{titlebar.h}
+<<titlebar.h>>=
+<<license>>
+#ifndef _TITLEBAR_H_
+#define _TITLEBAR_H_ 1
+
+#include "hyper.h"
+
+extern int twwidth, twheight; /* the width and height for all windows in the */
+ /* title bar */
+
+#endif
+@
+\section{titlebar.c}
+<<titlebar.c>>=
+/******************************************************************************
+ *
+ * titlebar.c: Produces HyperDoc titlebar
+ *
+ * Copyright The Numerical Algorithms Group Limited 1991, 1992, 1993.
+ *
+ ****************************************************************************/
+#define _TITLEBAR_C
+#include "axiom-c-macros.h"
+#include "useproto.h"
+#include "debug.h"
+
+#include <stdlib.h>
+
+#include "titlebar.h"
+#include "display.h"
+#include "group.h"
+#include "initx.h"
+#include "show-types.h"
+#include "parse.h"
+
+#include "all_hyper_proto.H1"
+
+extern int y_off; /* y offset for scrolling regions */
+
+/* Images for the title bar windows */
+
+static XImage *tw1image = NULL,
+ *tw2image = NULL,
+ *tw3image = NULL,
+ *tw4image = NULL,
+ *noopimage = NULL;
+
+/* #undef BITMAPS2D to get old style 2d effect */
+
+#ifdef BITMAPS2D
+
+static char *tw1file = "exit.bitmap";
+static char *tw2file = "help2.bitmap";
+static char *tw3file = "return3.bitmap";
+static char *tw4file = "up3.bitmap";
+static char *noopfile = "noop.bitmap";
+
+#define BACKCOLOR gBackgroundColor
+#define BUTTGC fStandardGC
+
+#else
+
+static char *tw1file = "exit3d.bitmap";
+static char *tw2file = "help3d.bitmap";
+static char *tw3file = "home3d.bitmap";
+static char *tw4file = "up3d.bitmap";
+static char *noopfile = "noop3d.bitmap";
+
+#define BACKCOLOR gControlBackgroundColor
+#define BUTTGC fControlGC
+
+#endif
+
+
+int twwidth, twheight; /* the width and height for all windows in the */
+ /* title bar */
+
+void
+makeTitleBarWindows(void)
+{
+ XSetWindowAttributes at;
+ unsigned long valuemask = 0L;
+
+ /* read the images if we don't have them already */
+
+ if (tw1image == NULL)
+ readTitleBarImages();
+
+ /* set the window attributes */
+
+ at.cursor = gActiveCursor;
+ valuemask |= CWCursor;
+ at.event_mask = ButtonPress;
+ valuemask |= CWEventMask;
+
+ /* create the windows for the buttons */
+
+ gWindow->fTitleBarButton1 = XCreateSimpleWindow(gXDisplay, gWindow->fMainWindow,
+ 1, 1, twwidth, twheight,
+ 0, gBorderColor, BACKCOLOR);
+ XChangeWindowAttributes(gXDisplay, gWindow->fTitleBarButton1, valuemask, &at);
+
+ gWindow->fTitleBarButton2 = XCreateSimpleWindow(gXDisplay, gWindow->fMainWindow,
+ 1, 1, twwidth, twheight,
+ 0, gBorderColor, BACKCOLOR);
+ XChangeWindowAttributes(gXDisplay, gWindow->fTitleBarButton2, valuemask, &at);
+
+ gWindow->fTitleBarButton3 = XCreateSimpleWindow(gXDisplay, gWindow->fMainWindow,
+ 1, 1, twwidth, twheight,
+ 0, gBorderColor, BACKCOLOR);
+ XChangeWindowAttributes(gXDisplay, gWindow->fTitleBarButton3, valuemask, &at);
+
+ gWindow->fTitleBarButton4 = XCreateSimpleWindow(gXDisplay, gWindow->fMainWindow,
+ 1, 1, twwidth, twheight,
+ 0, gBorderColor, BACKCOLOR);
+ XChangeWindowAttributes(gXDisplay, gWindow->fTitleBarButton4, valuemask, &at);
+}
+
+void
+showTitleBar(void)
+{
+ XWindowChanges wc;
+ int height, hbw = (int) gWindow->border_width / 2;
+ XImage *image;
+
+ /*
+ * the first thing we do is pop up all the windows and
+ * place them properly
+ */
+
+ if (gWindow->page->title->height != twheight)
+ height = gWindow->page->title->height;
+ else
+ height = twheight;
+
+ push_active_group();
+
+ /* configure and map button number 1 */
+
+ wc.x = 0;
+ wc.y = 0;
+ wc.height = twheight;
+ wc.width = twwidth;
+ XConfigureWindow(gXDisplay, gWindow->fTitleBarButton1, CWX | CWY | CWHeight | CWWidth, &wc);
+ XMapWindow(gXDisplay, gWindow->fTitleBarButton1);
+
+ image = tw1image;
+ XPutImage(gXDisplay, gWindow->fTitleBarButton1, gWindow->BUTTGC,
+ image, 0, 0, 0, 0,
+ image->width,
+ image->height);
+
+ /* configure and map button number 2 */
+
+ wc.x += twwidth + gWindow->border_width;
+ XConfigureWindow(gXDisplay, gWindow->fTitleBarButton2, CWX | CWY | CWHeight | CWWidth, &wc);
+ XMapWindow(gXDisplay, gWindow->fTitleBarButton2);
+
+ image = need_help_button ? tw2image : noopimage;
+ XPutImage(gXDisplay, gWindow->fTitleBarButton2, gWindow->BUTTGC,
+ image, 0, 0, 0, 0,
+ image->width,
+ image->height);
+
+ /* configure and map button number 4 */
+
+ wc.x = gWindow->width - twwidth;
+ XConfigureWindow(gXDisplay, gWindow->fTitleBarButton4, CWX | CWY | CWHeight | CWWidth, &wc);
+ XMapWindow(gXDisplay, gWindow->fTitleBarButton4);
+
+ image = need_up_button ? tw4image : noopimage;
+ XPutImage(gXDisplay, gWindow->fTitleBarButton4, gWindow->BUTTGC,
+ image, 0, 0, 0, 0,
+ image->width,
+ image->height);
+
+ /* configure and map button number 3 */
+
+ wc.x = wc.x - twwidth - gWindow->border_width;
+ XConfigureWindow(gXDisplay, gWindow->fTitleBarButton3, CWX | CWY | CWHeight | CWWidth, &wc);
+ XMapWindow(gXDisplay, gWindow->fTitleBarButton3);
+
+ image = need_return_button ? tw3image : noopimage;
+ XPutImage(gXDisplay, gWindow->fTitleBarButton3, gWindow->BUTTGC,
+ image, 0, 0, 0, 0,
+ image->width,
+ image->height);
+
+ gWindow->fDisplayedWindow = gWindow->fMainWindow;
+ gDisplayRegion = Title;
+ gRegionOffset = 0;
+ y_off = 0;
+
+ pop_group_stack();
+
+ show_text(gWindow->page->title->next, Endheader);
+
+ /* Now draw the box around the title */
+
+ line_top_group();
+
+#if BITMAPS2D
+ XDrawRectangle(gXDisplay, gWindow->fMainWindow, gWindow->fStandardGC, gWindow->page->title->x,
+ -hbw,
+ wc.x - gWindow->page->title->x - hbw,
+ height + 2 * hbw);
+#endif
+
+ XDrawLine(gXDisplay, gWindow->fMainWindow, gWindow->fStandardGC, 0, height + hbw,
+ gWindow->width, height + hbw);
+
+#if BITMAPS2D
+ /* Now draw the lines down the middle */
+
+ XDrawLine(gXDisplay, gWindow->fMainWindow, gWindow->fStandardGC,
+ twwidth + hbw, 0,
+ twwidth + hbw, height);
+ XDrawLine(gXDisplay, gWindow->fMainWindow, gWindow->fStandardGC,
+ gWindow->width - twwidth - hbw, 0,
+ gWindow->width - twwidth - hbw, height);
+#endif
+
+ pop_group_stack();
+
+#if BITMAPS2D
+ /* now fill the areas under the bitmaps if we have to */
+
+ if (gWindow->page->title->height > twheight) {
+ push_active_group();
+ height = height - twheight;
+
+ XFillRectangle(gXDisplay, gWindow->fMainWindow, gWindow->fStandardGC, 0,
+ twheight, twwidth, height);
+ XFillRectangle(gXDisplay, gWindow->fMainWindow, gWindow->fStandardGC,
+ twwidth + gWindow->border_width,
+ twheight, twwidth, height);
+ XFillRectangle(gXDisplay, gWindow->fMainWindow, gWindow->fStandardGC,
+ gWindow->width - 2 * twwidth - gWindow->border_width,
+ twheight, twwidth, height);
+ XFillRectangle(gXDisplay, gWindow->fMainWindow, gWindow->fStandardGC,
+ gWindow->width - twwidth,
+ twheight, twwidth, height);
+ pop_group_stack();
+ }
+#endif
+}
+
+void
+linkTitleBarWindows(void)
+{
+ HyperLink *tw1link = (HyperLink *) halloc(sizeof(HyperLink), "HyperLink"),
+ *tw2link = (HyperLink *) halloc(sizeof(HyperLink), "HyperLink"),
+ *tw3link = (HyperLink *) halloc(sizeof(HyperLink), "HyperLink"),
+ *tw4link = (HyperLink *) halloc(sizeof(HyperLink), "HyperLink");
+
+ tw1link->win = gWindow->fTitleBarButton1;
+ tw1link->type = Quitbutton;
+ tw1link->reference.node = NULL;
+ tw1link->x = tw1link->y = 0;
+
+ tw2link->win = gWindow->fTitleBarButton2;
+ tw2link->type = Helpbutton;
+ tw2link->reference.node = NULL;
+ tw2link->x = tw2link->y = 0;
+
+ tw3link->win = gWindow->fTitleBarButton3;
+ tw3link->type = Returnbutton;
+ tw3link->reference.node = NULL;
+ tw3link->x = tw3link->y = 0;
+
+ tw4link->win = gWindow->fTitleBarButton4;
+ tw4link->type = Upbutton;
+ tw4link->reference.node = NULL;
+ tw4link->x = tw4link->y = 0;
+
+ hash_insert(gLinkHashTable, (char *)tw1link,(char *) &tw1link->win);
+ hash_insert(gLinkHashTable, (char *)tw2link,(char *) &tw2link->win);
+ hash_insert(gLinkHashTable, (char *)tw3link,(char *) &tw3link->win);
+ hash_insert(gLinkHashTable, (char *)tw4link,(char *) &tw4link->win);
+}
+
+static void
+readTitleBarImages(void)
+{
+ int w, h;
+ char filename[128];
+ char *axiomEnvVar = NULL;
+
+ axiomEnvVar = getenv("AXIOM");
+
+ if (axiomEnvVar)
+ sprintf(filename, "%s/share/hypertex/bitmaps/%s", axiomEnvVar, tw1file);
+ else
+ sprintf(filename, "%s", tw1file);
+ tw1image = HTReadBitmapFile(gXDisplay, gXScreenNumber, filename,
+ &twwidth, &twheight);
+
+ if (axiomEnvVar)
+ sprintf(filename, "%s/share/hypertex/bitmaps/%s", axiomEnvVar, tw2file);
+ else
+ sprintf(filename, "%s", tw2file);
+ tw2image = HTReadBitmapFile(gXDisplay, gXScreenNumber, filename,
+ &w, &h);
+ twwidth = ((twwidth >= w) ? (twwidth) : (w));
+
+ if (axiomEnvVar)
+ sprintf(filename, "%s/share/hypertex/bitmaps/%s", axiomEnvVar, tw3file);
+ else
+ sprintf(filename, "%s", tw3file);
+ tw3image = HTReadBitmapFile(gXDisplay, gXScreenNumber, filename,
+ &w, &h);
+ twwidth = ((twwidth >= w) ? (twwidth) : (w));
+
+ if (axiomEnvVar)
+ sprintf(filename, "%s/share/hypertex/bitmaps/%s", axiomEnvVar, tw4file);
+ else
+ sprintf(filename, "%s", tw4file);
+ tw4image = HTReadBitmapFile(gXDisplay, gXScreenNumber, filename,
+ &w, &h);
+ twwidth = ((twwidth >= w) ? (twwidth) : (w));
+
+
+ if (axiomEnvVar)
+ sprintf(filename, "%s/share/hypertex/bitmaps/%s", axiomEnvVar, noopfile);
+ else
+ sprintf(filename, "%s", noopfile);
+ noopimage = HTReadBitmapFile(gXDisplay, gXScreenNumber, filename,
+ &twwidth, &twheight);
+}
+
+void
+getTitleBarMinimumSize(int *width, int *height)
+{
+ (*width) = 4 * twwidth + 40;
+ (*height) = twheight + 2;
+}
+@
+\section{License}
+<<license>>=
+/*
+Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+ - Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ - Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+
+ - Neither the name of The Numerical ALgorithms Group Ltd. nor the
+ names of its contributors may be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+@
+<<*>>=
+<<license>>
+<<titlebar.c>>
+@
+\eject
+\begin{thebibliography}{99}
+\bibitem{1} nothing
+\end{thebibliography}
+\end{document}
+
+
+
+
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