3e1db26a5a
Removing elvis, importing nvi, ctags, updating libedit. Change-Id: I881eb04d2dc64cf112facd992de1114e1a59107f
356 lines
7.2 KiB
C
356 lines
7.2 KiB
C
/* $NetBSD: m_ruler.c,v 1.1.1.2 2008/05/18 14:31:28 aymeric Exp $ */
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/*-
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* Copyright (c) 1996
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* Rob Zimmermann. All rights reserved.
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* Copyright (c) 1996
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* Keith Bostic. All rights reserved.
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*
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* See the LICENSE file for redistribution information.
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*/
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#include "config.h"
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#ifndef lint
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static const char sccsid[] = "Id: m_ruler.c,v 8.6 2003/11/05 17:10:00 skimo Exp (Berkeley) Date: 2003/11/05 17:10:00";
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#endif /* not lint */
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/* This module implements a dialog for the text ruler
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*
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* Interface:
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* void __vi_show_text_ruler_dialog( Widget parent, String title )
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* Pops up a text ruler dialog.
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* We allow one per session. It is not modal.
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*
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* void __vi_clear_text_ruler_dialog( Widget parent, String title )
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* Pops down the text ruler dialog.
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*
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* void __vi_set_text_ruler( int row, int col )
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* Changes the displayed position
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*/
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#include <sys/types.h>
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#include <sys/queue.h>
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#include <X11/X.h>
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#include <X11/Intrinsic.h>
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#include <X11/Shell.h>
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#include <Xm/DrawingA.h>
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#include <Xm/RowColumn.h>
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#include <Xm/PushBG.h>
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#include <bitstring.h>
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#include <stdio.h>
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#undef LOCK_SUCCESS
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#include "../common/common.h"
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#include "../ipc/ip.h"
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#include "m_motif.h"
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#include "vi_mextern.h"
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/* globals */
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static Widget db_ruler = NULL;
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static Boolean active = False;
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static int ruler_border = 5,
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ruler_asc;
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static GC gc_ruler;
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static XFontStruct *ruler_font;
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static char text[256];
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#if ! defined(SelfTest)
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static XutResource resource[] = {
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{ "rulerFont", XutRKfont, &ruler_font },
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{ "rulerBorder", XutRKinteger, &ruler_border },
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};
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#endif
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/* change the displayed position */
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static void
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set_ruler_text(int row, int col, int *h, int *w, int *asc)
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{
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int dir, des;
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XCharStruct over;
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/* format the data */
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sprintf( text, "%9.d,%-9.d", row+1, col+1 );
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/* how big will it be? */
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XTextExtents( ruler_font, text, strlen(text), &dir, asc, &des, &over );
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/* how big a window will we need? */
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*h = 2*ruler_border + over.ascent + over.descent;
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*w = 2*ruler_border + over.width;
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}
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static void
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redraw_text(void)
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{
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XClearArea( XtDisplay(db_ruler), XtWindow(db_ruler), 0, 0, 0, 0, False );
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XDrawString( XtDisplay(db_ruler),
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XtWindow(db_ruler),
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gc_ruler,
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ruler_border, ruler_border + ruler_asc,
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text,
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strlen(text)
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);
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}
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/*
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* PUBLIC: void __vi_set_text_ruler __P((int, int));
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*/
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void
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__vi_set_text_ruler(int row, int col)
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{
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int h, w;
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if ( ! active ) return;
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set_ruler_text( row, col, &h, &w, &ruler_asc );
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redraw_text();
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}
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/* callbacks */
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static void
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cancel_cb(void)
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{
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#if defined(SelfTest)
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puts( "cancelled" );
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#endif
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active = False;
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}
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static void destroyed(void)
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{
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#if defined(SelfTest)
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puts( "destroyed" );
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#endif
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/* some window managers destroy us upon popdown */
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db_ruler = NULL;
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active = False;
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}
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/* Draw and display a dialog the describes nvi options */
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#if defined(__STDC__)
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static Widget create_text_ruler_dialog( Widget parent, String title )
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#else
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static Widget create_text_ruler_dialog( parent, title )
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Widget parent;
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String title;
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#endif
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{
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Widget box;
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int h, w, asc;
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Pixel fg, bg;
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/* already built? */
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if ( db_ruler != NULL ) return db_ruler;
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#if defined(SelfTest)
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ruler_font = XLoadQueryFont( XtDisplay(parent), "9x15" );
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#else
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/* check the resource database for interesting resources */
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__XutConvertResources( parent,
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vi_progname,
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resource,
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XtNumber(resource)
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);
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#endif
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gc_ruler = XCreateGC( XtDisplay(parent), XtWindow(parent), 0, NULL );
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XSetFont( XtDisplay(parent), gc_ruler, ruler_font->fid );
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box = XtVaCreatePopupShell( title,
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transientShellWidgetClass,
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parent,
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XmNallowShellResize, False,
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0
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);
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XtAddCallback( box, XmNpopdownCallback, cancel_cb, 0 );
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XtAddCallback( box, XmNdestroyCallback, destroyed, 0 );
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/* should be ok to use the font now */
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active = True;
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/* how big a window? */
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set_ruler_text( 0, 0, &h, &w, &asc );
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/* keep this global, we might destroy it later */
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db_ruler = XtVaCreateManagedWidget( "Ruler",
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xmDrawingAreaWidgetClass,
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box,
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XmNheight, h,
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XmNwidth, w,
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0
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);
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/* this callback is for when the drawing area is exposed */
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XtAddCallback( db_ruler,
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XmNexposeCallback,
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redraw_text,
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0
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);
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/* what colors are selected for the drawing area? */
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XtVaGetValues( db_ruler,
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XmNbackground, &bg,
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XmNforeground, &fg,
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0
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);
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XSetForeground( XtDisplay(db_ruler), gc_ruler, fg );
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XSetBackground( XtDisplay(db_ruler), gc_ruler, bg );
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/* done */
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return db_ruler;
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}
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/* module entry point
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* __vi_show_text_ruler_dialog( parent, title )
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* __vi_clear_text_ruler_dialog( parent, title )
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*/
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#if defined(__STDC__)
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void __vi_show_text_ruler_dialog( Widget parent, String title )
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#else
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void __vi_show_text_ruler_dialog( parent, title )
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Widget parent;
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String title;
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#endif
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{
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Widget db = create_text_ruler_dialog( parent, title ),
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shell = XtParent(db);
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Dimension height, width;
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/* this guy does not resize */
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XtVaGetValues( db,
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XmNheight, &height,
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XmNwidth, &width,
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0
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);
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XtVaSetValues( shell,
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XmNmaxWidth, width,
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XmNminWidth, width,
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XmNmaxHeight, height,
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XmNminHeight, height,
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0
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);
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XtManageChild( db );
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/* leave this guy up */
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XtPopup( shell, XtGrabNone );
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active = True;
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/* ask vi core for the current r,c now */
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#if ! defined(SelfTest)
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__vi_set_text_ruler( __vi_screen->cury, __vi_screen->curx );
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#else
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__vi_set_text_ruler( rand(), rand() );
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#endif
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}
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#if defined(__STDC__)
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void __vi_clear_text_ruler_dialog()
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#else
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void __vi_clear_text_ruler_dialog(void)
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#endif
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{
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if ( active )
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XtPopdown( XtParent(db_ruler) );
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}
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#if defined(SelfTest)
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#if XtSpecificationRelease == 4
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#define ArgcType Cardinal *
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#else
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#define ArgcType int *
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#endif
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static void change_pos( Widget w )
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{
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__vi_set_text_ruler( rand(), rand() );
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}
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#if defined(__STDC__)
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static void show_text_ruler( Widget w, XtPointer data, XtPointer cbs )
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#else
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static void show_text_ruler( w, data, cbs )
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Widget w;
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XtPointer data;
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XtPointer cbs;
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#endif
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{
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__vi_show_text_ruler_dialog( data, "Ruler" );
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}
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main( int argc, char *argv[] )
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{
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XtAppContext ctx;
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Widget top_level, rc, button;
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extern exit();
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/* create a top-level shell for the window manager */
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top_level = XtVaAppInitialize( &ctx,
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argv[0],
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NULL, 0, /* options */
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(ArgcType) &argc,
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argv, /* might get modified */
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NULL,
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NULL
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);
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rc = XtVaCreateManagedWidget( "rc",
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xmRowColumnWidgetClass,
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top_level,
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0
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);
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button = XtVaCreateManagedWidget( "Pop up text ruler dialog",
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xmPushButtonGadgetClass,
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rc,
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0
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);
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XtAddCallback( button, XmNactivateCallback, show_text_ruler, rc );
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button = XtVaCreateManagedWidget( "Change Position",
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xmPushButtonGadgetClass,
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rc,
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0
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);
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XtAddCallback( button, XmNactivateCallback, change_pos, rc );
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button = XtVaCreateManagedWidget( "Quit",
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xmPushButtonGadgetClass,
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rc,
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0
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);
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XtAddCallback( button, XmNactivateCallback, exit, 0 );
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XtRealizeWidget(top_level);
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XtAppMainLoop(ctx);
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}
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#endif
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