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/* $Header: /home/yav/catty/fkiss/RCS/comment.c,v 1.3 2000/08/24 02:10:48 yav Exp $
* fkiss cel comment display
* written by yav <yav@bigfoot.com>
*
* 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.
*/
char id_comment[] = "$Id: comment.c,v 1.3 2000/08/24 02:10:48 yav Exp $";
#include <X11/Xlib.h>
#include <stdio.h>
#include "config.h"
#include "headers.h"
#include "fkiss.h"
#include "work.h"
#define PUBLIC_COMMENT_C
#include "extern.h"
#define COMWIN_BORDER
#define COMWIN_XOFS 8
#define COMWIN_YOFS (-8)
#define COMWIN_LINE_SPACE 16
#define COMWIN_UPPER_MARGIN 4
#define COMWIN_LOWER_MARGIN 6 /* within font descent */
#define COMWIN_LEFT_MARGIN 4
#define COMWIN_RIGHT_MARGIN 4
#define COMWIN_NUMBER_WIDTH 40
static Bool comwin_created = False;
static int comment_cel = -1;
int expose_comment_line(d, n, x, y, mark, rw, rh)
Drawable d; /* Drawable */
int n; /* cel number */
int x, y; /* base point position (pixel) */
int mark; /* mark character */
int *rw; /* width return pointer */
int *rh; /* height return pointer */
{
int i, r, w, h;
char *p;
char buf[256]; /* cnf line must be shorter than 256 bytes */
if (comment_linenum) {
/* with line number */
sprintf(buf, "%4d%c", (cell + n)->line, mark);
draw_string(d, x, y, buf);
x += COMWIN_NUMBER_WIDTH;
}
r = w = h = 0;
p = (cell + n)->comment;
if (p != NULL) {
while (*p) {
for (i = 0; i < sizeof(buf)-1; i++) {
if (*p == '\0')
break;
if (*p == '\n') {
p++;
break;
}
buf[i] = *p++;
}
buf[i] = '\0';
i = draw_string(d, x, y, buf);
if (i > w)
w = i;
y += COMWIN_LINE_SPACE;
h += COMWIN_LINE_SPACE;
r++;
}
}
if (comment_linenum) {
w += COMWIN_NUMBER_WIDTH;
if (!r) {
r++;
h += COMWIN_LINE_SPACE;
}
}
if (rw != NULL)
*rw = w;
if (rh != NULL)
*rh = h;
return r; /* line count */
}
/* draw comment to comment window
* and return drawn area geometry
*/
int expose_comment_sub(d, celn, x, y, rw, rh)
Drawable d; /* drawing window or pixmap or None */
int celn; /* cel number */
int x, y; /* base point */
int *rw; /* drawing area width return */
int *rh; /* drawing area height return */
{
int i, n, r, w, h;
if (celn < 0)
return 0; /* illegal cel number, No line printed */
r = 0;
switch (comment_mode) {
case 1:
r = expose_comment_line(d, celn, x, y, 0, rw, rh);
break;
case 2:
if (rw != NULL)
*rw = 0;
if (rh != NULL)
*rh = 0;
for (i = 0; i < celcnt; i++) {
if ((cell + i)->width &&
((cell + i)->obj == (cell + celn)->obj) &&
((cell + i)->comment != NULL)) {
n = expose_comment_line(d, i, x, y, (i == celn ? '*' : ' '), &w, &h);
y += n * COMWIN_LINE_SPACE;
r += n;
if (rw != NULL && w > *rw)
*rw = w;
if (rh != NULL)
*rh += h;
}
}
break;
}
return r; /* line count */
}
void expose_comment(ev)
XExposeEvent *ev;
{
if (!ev->count) {
/* redraw at last event only */
expose_comment_sub(comwin, comment_cel,
COMWIN_LEFT_MARGIN,
COMWIN_UPPER_MARGIN + COMWIN_LINE_SPACE,
NULL, NULL);
}
}
void unmap_comment()
{
if (comwin_created)
XUnmapWindow(dsp, comwin);
}
void map_comment(ev)
XButtonEvent *ev;
{
int i, x, y, w, h;
XSetWindowAttributes atr;
Window child;
if (!comment_mode)
return;
x = ev->x;
y = ev->y;
comment_cel = search_cell(x, y);
if (expose_comment_sub(None, comment_cel, 0, 0, &w, &h) <= 0) {
unmap_comment();
return;
}
XTranslateCoordinates(dsp, ev->window, rootwin, x, y, &x, &y, &child);
w += COMWIN_LEFT_MARGIN + COMWIN_RIGHT_MARGIN;
h += COMWIN_UPPER_MARGIN + COMWIN_LOWER_MARGIN;
x += COMWIN_XOFS;
y += COMWIN_YOFS - h;
if (x + w > DisplayWidth(dsp, scr))
x = DisplayWidth(dsp, scr) - w;
if (y + h > DisplayHeight(dsp, scr))
y = DisplayHeight(dsp, scr) - h;
if (x < 0)
x = 0;
if (y < 0)
y = 0;
if (comwin_created) {
unmap_comment(); /* to send expose event */
XMoveResizeWindow(dsp, comwin, x, y, w, h);
} else {
comwin = XCreateSimpleWindow(dsp, rootwin,
x, y, w, h, combw,
spx[SPX_FG], spx[SPX_BG]);
XSelectInput(dsp, comwin, ExposureMask|ButtonPressMask
|EnterWindowMask|KeyPressMask);
XSetTransientForHint(dsp, comwin, topwin);
atr.override_redirect = True;
atr.save_under = True;
i = CWOverrideRedirect|CWSaveUnder;
XChangeWindowAttributes(dsp, comwin, i, &atr);
comwin_created = True;
}
XMapRaised(dsp, comwin);
}
/* End of file */
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