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/* icon.c: old nawm icon command compatibility. */
/* Copyright (C) 1999 by the Massachusetts Institute of Technology.
*
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting
* documentation, and that the name of M.I.T. not be used in
* advertising or publicity pertaining to distribution of the
* software without specific, written prior permission.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is"
* without express or implied warranty.
*/
#include "nawmmod.h"
#include <string.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <X11/cursorfont.h>
int nawm_modrev = NAWM_MODREV;
typedef struct _icon {
char *name;
Window w, iconw;
int x, y;
struct _icon *next;
} icon;
static icon *icon_list;
static int numicons;
static void iconify_fun(int argc, nawmval *argv, nawmval *ret);
static void deiconify_cmd(int argc, nawmval *argv);
static void icon_event_handler(XEvent *ev);
static void deiconify(icon *icn);
static void nuke_icon(icon *icn);
static GC icon_gc;
static XFontStruct *icon_font;
static Cursor icon_cursor;
extern Display *dpy;
extern Window root;
void modinit(void)
{
icon_list = NULL;
numicons = 0;
icon_gc = XCreateGC(dpy, root, 0, 0);
icon_font = XLoadQueryFont(dpy, "fixed");
XSetFont(dpy, icon_gc, icon_font->fid);
XSetForeground(dpy, icon_gc, BlackPixel(dpy, 0));
icon_cursor = XCreateFontCursor(dpy, XC_top_left_arrow);
module_define_procedure("iconify", T_WIN, iconify_fun, 1, T_WIN);
module_define_procedure("deiconify", 0, deiconify_cmd, 1, T_WIN);
module_define_event_handler(icon_event_handler, ExposureMask);
}
static void iconify_fun(int argc, nawmval *argv, nawmval *ret)
{
Window win = (Window)argv[0];
icon *icn;
int w;
Atom type;
int format;
unsigned long items, left;
long hret;
unsigned char *prop;
XWindowAttributes attr;
XSizeHints hints;
if (win == root)
{
XBell(dpy, 100);
return;
}
for (icn = icon_list; icn; icn = icn->next)
{
if (icn->w == win)
{
XBell(dpy, 100);
return;
}
}
XGetWindowAttributes(dpy, manager_window(win), &attr);
icn = xmalloc(sizeof(icon));
icn->w = win;
icn->x = attr.x;
icn->y = attr.y;
if (XGetWindowProperty(dpy, win, XA_WM_NAME, 0, 1000, False, AnyPropertyType,
&type, &format, &items, &left, &prop) == Success)
icn->name = xstrdup((char *)prop);
else
icn->name = xstrdup("");
w = XTextWidth(icon_font, icn->name, strlen(icn->name));
w += 20;
icn->iconw = XCreateSimpleWindow(dpy, root, attr.x, attr.y, w, 20,
2, BlackPixel(dpy, 0), WhitePixel(dpy, 0));
XGrabButton(dpy, 1, 0, icn->iconw, False, ButtonPressMask,
GrabModeAsync, GrabModeAsync, None, None);
XSetTransientForHint(dpy, icn->iconw, root);
XSelectInput(dpy, icn->iconw, ExposureMask | ButtonPressMask |
SubstructureNotifyMask);
XDefineCursor(dpy, icn->iconw, icon_cursor);
XMapWindow(dpy, icn->iconw);
/* Set USPosition on win so user's wm won't ask to reposition it
* again when we deiconify it.
*/
XGetWMNormalHints(dpy, icn->w, &hints, &hret);
hints.flags |= USPosition;
XSetWMNormalHints(dpy, icn->w, &hints);
XUnmapWindow(dpy, icn->w);
icn->next = icon_list;
icon_list = icn;
*ret = (nawmval)icn->iconw;
}
static void icon_event_handler(XEvent *ev)
{
icon *icn;
for (icn = icon_list; icn; icn = icn->next)
{
if (icn->iconw == ev->xany.window)
{
switch(ev->type) {
case ButtonPress:
deiconify(icn);
break;
case Expose:
XDrawString(dpy, icn->iconw, icon_gc, 10, 15,
icn->name, strlen(icn->name));
break;
case DestroyNotify:
nuke_icon(icn);
break;
}
}
}
}
static void deiconify_cmd(int argc, nawmval *argv)
{
Window win = (Window)argv[0];
icon *icn;
for (icn = icon_list; icn; icn = icn->next)
{
if (icn->iconw == win || icn->w == win)
{
deiconify(icn);
return;
}
}
}
static void deiconify(icon *icn)
{
XMapWindow(dpy, icn->w);
nuke_icon(icn);
}
static void nuke_icon(icon *icn)
{
icon *prev = NULL, *i;
XDestroyWindow(dpy, icn->iconw);
free(icn->name);
for (i = icon_list; i; i = i->next)
{
if (i == icn)
break;
prev = i;
}
if (!i)
return;
if (!prev)
icon_list = icn->next;
else
prev->next = icn->next;
free(icn);
}
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