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Dogcows Code - chaz/openbox/blob - tests/icons.c
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
3 icons.c for the Openbox window manager
4 Copyright (c) 2003 Ben Jansens
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 See the COPYING file for a copy of the GNU General Public License.
20 #include <X11/Xutil.h>
21 #include <X11/Xatom.h>
22 #include <X11/cursorfont.h>
27 Window
findClient(Display
*d
, Window win
)
31 Atom state
= XInternAtom(d
, "WM_STATE", True
);
34 unsigned long ret_items
, ret_bytesleft
;
35 unsigned long *prop_return
;
37 XQueryTree(d
, win
, &r
, &r
, &children
, &n
);
38 for (i
= 0; i
< n
; ++i
) {
39 Window w
= findClient(d
, children
[i
]);
44 XGetWindowProperty(d
, win
, state
, 0, 1,
45 False
, state
, &ret_type
, &ret_format
,
46 &ret_items
, &ret_bytesleft
,
47 (unsigned char**) &prop_return
);
48 if (ret_type
== None
|| ret_items
< 1)
50 return win
; // found it!
53 int main(int argc
, char **argv
)
55 Display
*d
= XOpenDisplay(NULL
);
56 int s
= DefaultScreen(d
);
57 Atom net_wm_icon
= XInternAtom(d
, "_NET_WM_ICON", True
);
59 unsigned int winw
= 0, winh
= 0;
61 unsigned long ret_items
, ret_bytesleft
;
62 const int MAX_IMAGES
= 10;
63 unsigned long *prop_return
[MAX_IMAGES
];
64 XImage
*i
[MAX_IMAGES
];
66 unsigned int image
= 0;
67 unsigned int j
; // loop counter
73 printf("Click on a window with an icon...\n");
75 //int id = strtol(argv[1], NULL, 16);
76 XUngrabPointer(d
, CurrentTime
);
77 cur
= XCreateFontCursor(d
, XC_crosshair
);
78 XGrabPointer(d
, RootWindow(d
, s
), False
, ButtonPressMask
, GrabModeAsync
,
79 GrabModeAsync
, None
, cur
, CurrentTime
);
82 if (ev
.type
== ButtonPress
) {
83 XUngrabPointer(d
, CurrentTime
);
84 id
= findClient(d
, ev
.xbutton
.subwindow
);
89 printf("Using window 0x%lx\n", id
);
94 XGetWindowProperty(d
, id
, net_wm_icon
, offset
++, 1,
95 False
, XA_CARDINAL
, &ret_type
, &ret_format
,
96 &ret_items
, &ret_bytesleft
,
97 (unsigned char**) &prop_return
[image
]);
98 if (ret_type
== None
|| ret_items
< 1) {
99 printf("No icon found\n");
102 w
= prop_return
[image
][0];
103 XFree(prop_return
[image
]);
105 XGetWindowProperty(d
, id
, net_wm_icon
, offset
++, 1,
106 False
, XA_CARDINAL
, &ret_type
, &ret_format
,
107 &ret_items
, &ret_bytesleft
,
108 (unsigned char**) &prop_return
[image
]);
109 if (ret_type
== None
|| ret_items
< 1) {
110 printf("Failed to get height\n");
113 h
= prop_return
[image
][0];
114 XFree(prop_return
[image
]);
116 XGetWindowProperty(d
, id
, net_wm_icon
, offset
, w
*h
,
117 False
, XA_CARDINAL
, &ret_type
, &ret_format
,
118 &ret_items
, &ret_bytesleft
,
119 (unsigned char**) &prop_return
[image
]);
120 if (ret_type
== None
|| ret_items
< w
*h
) {
121 printf("Failed to get image data\n");
126 printf("Found icon with size %dx%d\n", w
, h
);
128 i
[image
] = XCreateImage(d
, DefaultVisual(d
, s
), DefaultDepth(d
, s
),
129 ZPixmap
, 0, NULL
, w
, h
, 32, 0);
131 i
[image
]->byte_order
= LSBFirst
;
132 i
[image
]->data
= (char*)prop_return
[image
];
133 for (j
= 0; j
< w
*h
; j
++) {
134 unsigned char alpha
= (unsigned char)i
[image
]->data
[j
*4+3];
135 unsigned char r
= (unsigned char) i
[image
]->data
[j
*4+0];
136 unsigned char g
= (unsigned char) i
[image
]->data
[j
*4+1];
137 unsigned char b
= (unsigned char) i
[image
]->data
[j
*4+2];
140 unsigned char bgr
= 0;
141 unsigned char bgg
= 0;
142 unsigned char bgb
= 0;
144 r
= bgr
+ (r
- bgr
) * alpha
/ 256;
145 g
= bgg
+ (g
- bgg
) * alpha
/ 256;
146 b
= bgb
+ (b
- bgb
) * alpha
/ 256;
148 i
[image
]->data
[j
*4+0] = (char) r
;
149 i
[image
]->data
[j
*4+1] = (char) g
;
150 i
[image
]->data
[j
*4+2] = (char) b
;
154 if (h
> winh
) winh
= h
;
157 } while (ret_bytesleft
> 0 && image
< MAX_IMAGES
);
159 win
= XCreateSimpleWindow(d
, RootWindow(d
, s
), 0, 0, winw
, winh
,
164 p
= XCreatePixmap(d
, win
, winw
, winh
, DefaultDepth(d
, s
));
165 XFillRectangle(d
, p
, DefaultGC(d
, s
), 0, 0, winw
, winh
);
167 for (j
= 0; j
< image
; ++j
) {
168 static unsigned int x
= 0;
170 XPutImage(d
, p
, DefaultGC(d
, s
), i
[j
], 0, 0, x
, 0,
171 i
[j
]->width
, i
[j
]->height
);
176 XSetWindowBackgroundPixmap(d
, win
, p
);
177 XClearWindow(d
, win
);
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