251 lines
7.5 KiB
C
251 lines
7.5 KiB
C
/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
|
|
|
|
icons.c for the Openbox window manager
|
|
Copyright (c) 2003-2007 Dana Jansens
|
|
|
|
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.
|
|
|
|
See the COPYING file for a copy of the GNU General Public License.
|
|
*/
|
|
|
|
#include <X11/Xlib.h>
|
|
#include <X11/Xutil.h>
|
|
#include <X11/Xatom.h>
|
|
#include <X11/cursorfont.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <assert.h>
|
|
#include <glib.h>
|
|
|
|
Window findClient(Display *d, Window win)
|
|
{
|
|
Window r, *children;
|
|
unsigned int n, i;
|
|
Atom state = XInternAtom(d, "WM_STATE", True);
|
|
Atom ret_type;
|
|
int ret_format;
|
|
unsigned long ret_items, ret_bytesleft;
|
|
unsigned long *prop_return;
|
|
|
|
XQueryTree(d, win, &r, &r, &children, &n);
|
|
for (i = 0; i < n; ++i) {
|
|
Window w = findClient(d, children[i]);
|
|
if (w) return w;
|
|
}
|
|
|
|
// try me
|
|
XGetWindowProperty(d, win, state, 0, 1,
|
|
False, state, &ret_type, &ret_format,
|
|
&ret_items, &ret_bytesleft,
|
|
(unsigned char**) &prop_return);
|
|
if (ret_type == None || ret_items < 1)
|
|
return None;
|
|
return win; // found it!
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
Display *d = XOpenDisplay(NULL);
|
|
int s = DefaultScreen(d);
|
|
Atom net_wm_icon = XInternAtom(d, "_NET_WM_ICON", True);
|
|
Atom ret_type;
|
|
unsigned int winw = 0, winh = 0;
|
|
int ret_format;
|
|
unsigned long ret_items, ret_bytesleft;
|
|
const int MAX_IMAGES = 10;
|
|
unsigned long *prop_return[MAX_IMAGES];
|
|
XImage *i[MAX_IMAGES];
|
|
long offset = 0;
|
|
unsigned int image = 0;
|
|
unsigned int j; // loop counter
|
|
Window id, win;
|
|
Pixmap p;
|
|
Cursor cur;
|
|
XEvent ev;
|
|
unsigned int bs = sizeof(long);
|
|
|
|
printf("Click on a window with an icon...\n");
|
|
|
|
//int id = strtol(argv[1], NULL, 16);
|
|
XUngrabPointer(d, CurrentTime);
|
|
cur = XCreateFontCursor(d, XC_crosshair);
|
|
XGrabPointer(d, RootWindow(d, s), False, ButtonPressMask, GrabModeAsync,
|
|
GrabModeAsync, None, cur, CurrentTime);
|
|
while (1) {
|
|
XNextEvent(d, &ev);
|
|
if (ev.type == ButtonPress) {
|
|
XUngrabPointer(d, CurrentTime);
|
|
id = findClient(d, ev.xbutton.subwindow);
|
|
break;
|
|
}
|
|
}
|
|
|
|
printf("Using window 0x%lx\n", id);
|
|
|
|
do {
|
|
unsigned int w, h;
|
|
|
|
XGetWindowProperty(d, id, net_wm_icon, offset++, 1,
|
|
False, XA_CARDINAL, &ret_type, &ret_format,
|
|
&ret_items, &ret_bytesleft,
|
|
(unsigned char**) &prop_return[image]);
|
|
if (ret_type == None || ret_items < 1) {
|
|
printf("No icon found\n");
|
|
return 1;
|
|
}
|
|
w = prop_return[image][0];
|
|
XFree(prop_return[image]);
|
|
|
|
XGetWindowProperty(d, id, net_wm_icon, offset++, 1,
|
|
False, XA_CARDINAL, &ret_type, &ret_format,
|
|
&ret_items, &ret_bytesleft,
|
|
(unsigned char**) &prop_return[image]);
|
|
if (ret_type == None || ret_items < 1) {
|
|
printf("Failed to get height\n");
|
|
return 1;
|
|
}
|
|
h = prop_return[image][0];
|
|
XFree(prop_return[image]);
|
|
|
|
XGetWindowProperty(d, id, net_wm_icon, offset, w*h,
|
|
False, XA_CARDINAL, &ret_type, &ret_format,
|
|
&ret_items, &ret_bytesleft,
|
|
(unsigned char**) &prop_return[image]);
|
|
if (ret_type == None || ret_items < w*h) {
|
|
printf("Failed to get image data\n");
|
|
return 1;
|
|
}
|
|
offset += w*h;
|
|
|
|
printf("Found icon with size %dx%d\n", w, h);
|
|
|
|
i[image] = XCreateImage(d, DefaultVisual(d, s), DefaultDepth(d, s),
|
|
ZPixmap, 0, NULL, w, h, 32, 0);
|
|
assert(i[image]);
|
|
i[image]->byte_order = LSBFirst;
|
|
i[image]->data = (char*)prop_return[image];
|
|
for (j = 0; j < w*h; j++) {
|
|
unsigned char alpha = (unsigned char)i[image]->data[j*bs+3];
|
|
unsigned char r = (unsigned char) i[image]->data[j*bs+0];
|
|
unsigned char g = (unsigned char) i[image]->data[j*bs+1];
|
|
unsigned char b = (unsigned char) i[image]->data[j*bs+2];
|
|
|
|
// background color
|
|
unsigned char bgr = 0;
|
|
unsigned char bgg = 0;
|
|
unsigned char bgb = 0;
|
|
|
|
r = bgr + (r - bgr) * alpha / 256;
|
|
g = bgg + (g - bgg) * alpha / 256;
|
|
b = bgb + (b - bgb) * alpha / 256;
|
|
|
|
i[image]->data[j*4+0] = (char) r;
|
|
i[image]->data[j*4+1] = (char) g;
|
|
i[image]->data[j*4+2] = (char) b;
|
|
}
|
|
|
|
winw += w;
|
|
if (h > winh) winh = h;
|
|
|
|
++image;
|
|
} while (ret_bytesleft > 0 && image < MAX_IMAGES);
|
|
|
|
#define hashsize(n) ((guint32)1<<(n))
|
|
#define hashmask(n) (hashsize(n)-1)
|
|
#define rot(x,k) (((x)<<(k)) | ((x)>>(32-(k))))
|
|
|
|
#define mix(a,b,c) \
|
|
{ \
|
|
a -= c; a ^= rot(c, 4); c += b; \
|
|
b -= a; b ^= rot(a, 6); a += c; \
|
|
c -= b; c ^= rot(b, 8); b += a; \
|
|
a -= c; a ^= rot(c,16); c += b; \
|
|
b -= a; b ^= rot(a,19); a += c; \
|
|
c -= b; c ^= rot(b, 4); b += a; \
|
|
}
|
|
|
|
#define final(a,b,c) \
|
|
{ \
|
|
c ^= b; c -= rot(b,14); \
|
|
a ^= c; a -= rot(c,11); \
|
|
b ^= a; b -= rot(a,25); \
|
|
c ^= b; c -= rot(b,16); \
|
|
a ^= c; a -= rot(c,4); \
|
|
b ^= a; b -= rot(a,14); \
|
|
c ^= b; c -= rot(b,24); \
|
|
}
|
|
|
|
/* hash the images */
|
|
for (j = 0; j < image; ++j) {
|
|
unsigned int w, h, length;
|
|
guint32 a,b,c;
|
|
guint32 initval = 0xf00d;
|
|
const guint32 *k = (guint32*)i[j]->data;
|
|
|
|
w = i[j]->width;
|
|
h = i[j]->height;
|
|
length = w * h;
|
|
|
|
/* Set up the internal state */
|
|
a = b = c = 0xdeadbeef + (((guint32)length)<<2) + initval;
|
|
|
|
/*---------------------------------------- handle most of the key */
|
|
while (length > 3)
|
|
{
|
|
a += k[0];
|
|
b += k[1];
|
|
c += k[2];
|
|
mix(a,b,c);
|
|
length -= 3;
|
|
k += 3;
|
|
}
|
|
|
|
/*--------------------------------- handle the last 3 uint32_t's */
|
|
switch(length) /* all the case statements fall through */
|
|
{
|
|
case 3 : c+=k[2];
|
|
case 2 : b+=k[1];
|
|
case 1 : a+=k[0];
|
|
final(a,b,c);
|
|
case 0: /* case 0: nothing left to add */
|
|
break;
|
|
}
|
|
/*------------------------------------ report the result */
|
|
printf("image[%d] %ux%u %lu\n", j, w, h, c);
|
|
}
|
|
|
|
win = XCreateSimpleWindow(d, RootWindow(d, s), 0, 0, winw, winh,
|
|
0, 0, 0);
|
|
assert(win);
|
|
XMapWindow(d, win);
|
|
|
|
p = XCreatePixmap(d, win, winw, winh, DefaultDepth(d, s));
|
|
XFillRectangle(d, p, DefaultGC(d, s), 0, 0, winw, winh);
|
|
|
|
for (j = 0; j < image; ++j) {
|
|
static unsigned int x = 0;
|
|
|
|
XPutImage(d, p, DefaultGC(d, s), i[j], 0, 0, x, 0,
|
|
i[j]->width, i[j]->height);
|
|
x += i[j]->width;
|
|
XDestroyImage(i[j]);
|
|
}
|
|
|
|
XSetWindowBackgroundPixmap(d, win, p);
|
|
XClearWindow(d, win);
|
|
|
|
XFlush(d);
|
|
|
|
getchar();
|
|
|
|
XFreePixmap(d, p);
|
|
XCloseDisplay(d);
|
|
}
|