2021-04-19 10:47:21 +00:00
|
|
|
/*
|
|
|
|
* layout.c
|
|
|
|
*
|
|
|
|
* libhtml - HTML->X renderer
|
|
|
|
*
|
|
|
|
* Copyright (c) 1995-1997, John Kilburg <john@cs.unlv.edu>
|
|
|
|
*
|
|
|
|
* This program is free software; you can redistribute it and/or modify
|
|
|
|
* it under the terms of the GNU General Public License as published by
|
|
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
|
|
* (at your option) any later version.
|
|
|
|
*
|
|
|
|
* This program is distributed in the hope that it will be useful,
|
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
* GNU General Public License for more details.
|
|
|
|
*
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
|
|
* along with this program; if not, write to the Free Software
|
|
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
*/
|
|
|
|
#include "port_before.h"
|
|
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <ctype.h>
|
|
|
|
|
|
|
|
#ifdef HAVE_STDLIB_H
|
|
|
|
#include <stdlib.h>
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#include "port_after.h"
|
|
|
|
|
|
|
|
#include "html.h"
|
|
|
|
|
|
|
|
/*
|
|
|
|
* HTMLDestroyBox
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
HTMLDestroyBox(li, box)
|
|
|
|
HTMLInfo li;
|
|
|
|
HTMLBox box;
|
|
|
|
{
|
|
|
|
if (box->destroy != NULL) (box->destroy)(li, box);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* HTMLCreateBox
|
|
|
|
*/
|
|
|
|
HTMLBox
|
|
|
|
HTMLCreateBox(li, env)
|
|
|
|
HTMLInfo li;
|
|
|
|
HTMLEnv env;
|
|
|
|
{
|
|
|
|
HTMLBox box;
|
|
|
|
box = (HTMLBox)MPCGet(li->mp, sizeof(struct HTMLBoxP));
|
|
|
|
box->env = env;
|
|
|
|
return(box);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* HTMLRenderBox
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
HTMLRenderBox(li, r, box)
|
|
|
|
HTMLInfo li;
|
|
|
|
Region r;
|
|
|
|
HTMLBox box;
|
|
|
|
{
|
|
|
|
Region xr;
|
|
|
|
int x, y;
|
|
|
|
unsigned int width, height;
|
|
|
|
XRectangle rec;
|
|
|
|
|
|
|
|
if (box->render == NULL) return;
|
|
|
|
|
|
|
|
if (r == NULL)
|
|
|
|
{
|
|
|
|
GUIGetOnScreenDimensions(li->wd, &x, &y, &width, &height);
|
2021-04-19 14:49:45 +00:00
|
|
|
|
2021-04-19 10:47:21 +00:00
|
|
|
r = XCreateRegion();
|
|
|
|
rec.x = (short)x;
|
|
|
|
rec.y = (short)y;
|
|
|
|
rec.width = (unsigned short)width;
|
|
|
|
rec.height = (unsigned short)height;
|
|
|
|
XUnionRectWithRegion(&rec, r, r);
|
|
|
|
xr = r;
|
|
|
|
}
|
|
|
|
else xr = NULL;
|
|
|
|
|
|
|
|
if (XRectInRegion(r, box->x, box->y, box->width, box->height))
|
|
|
|
{
|
|
|
|
(box->render)(li, box, r);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (xr != NULL) XDestroyRegion(xr);
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* HTMLLayoutBox
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
HTMLLayoutBox(li, parent, box)
|
|
|
|
HTMLInfo li;
|
|
|
|
HTMLBox parent;
|
|
|
|
HTMLBox box;
|
|
|
|
{
|
|
|
|
myassert(parent->layout != NULL, "Box cannot contain other boxes");
|
|
|
|
(parent->layout)(li, box, parent);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* HTMLSetupBox
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
HTMLSetupBox(li, box)
|
|
|
|
HTMLInfo li;
|
|
|
|
HTMLBox box;
|
|
|
|
{
|
|
|
|
HTMLEnv env = box->env;
|
|
|
|
|
|
|
|
if (env->anchor != NULL) HTMLAddAnchor(li, box, NULL, env->anchor);
|
|
|
|
if (box->setup != NULL) (box->setup)(li, box);
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* HTMLGetBoxWidth
|
|
|
|
*/
|
|
|
|
unsigned int
|
|
|
|
HTMLGetBoxWidth(li, box)
|
|
|
|
HTMLInfo li;
|
|
|
|
HTMLBox box;
|
|
|
|
{
|
|
|
|
myassert(box->maxwidth != NULL, "Box cannot contain other boxes");
|
|
|
|
return((box->maxwidth)(li, box));
|
|
|
|
}
|