[PATCH] Display _NET_WM_ICONs as ASCII art instead of as a big list of integers
Aaron Plattner
aplattner at nvidia.com
Tue Apr 28 16:00:39 PDT 2009
Works for me.
On Tue, Apr 28, 2009 at 03:55:53PM -0700, Soeren Sandmann wrote:
> New version that hopefully works correctly on 64 bit.
>
> ---
> configure.ac | 2 +-
> dsimple.c | 12 +++++-
> dsimple.h | 1 +
> xprop.c | 132 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
> 4 files changed, 144 insertions(+), 3 deletions(-)
>
> diff --git a/configure.ac b/configure.ac
> index bba437b..6087c3b 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -36,7 +36,7 @@ AC_PROG_INSTALL
>
> XORG_CWARNFLAGS
>
> -AC_CHECK_HEADERS([wchar.h wctype.h])
> +AC_CHECK_HEADERS([wchar.h wctype.h langinfo.h])
>
> # Checks for pkg-config packages
> PKG_CHECK_MODULES(XPROP, x11)
> diff --git a/dsimple.c b/dsimple.c
> index 4bd4837..cd08d7c 100644
> --- a/dsimple.c
> +++ b/dsimple.c
> @@ -72,7 +72,17 @@ char *Malloc(unsigned size)
>
> return(data);
> }
> -
> +
> +/*
> + * Realloc: like realloc but handles out of memory using Fatal_Error:
> + */
> +char *Realloc(char *mem, unsigned size)
> +{
> + if (!(mem = realloc (mem, size)))
> + Fatal_Error("Out of memory!");
> +
> + return mem;
> +}
>
> /*
> * Get_Display_Name (argc, argv) Look for -display, -d, or host:dpy (obselete)
> diff --git a/dsimple.h b/dsimple.h
> index 7557571..1c09c9d 100644
> --- a/dsimple.h
> +++ b/dsimple.h
> @@ -59,6 +59,7 @@ extern int screen; /* The current screen */
> /* Declarations for functions in just_display.c */
>
> char *Malloc(unsigned);
> +char *Realloc(char *,unsigned);
> char *Get_Display_Name(int *, char **);
> Display *Open_Display(const char *);
> void Setup_Display_And_Screen(int *, char **);
> diff --git a/xprop.c b/xprop.c
> index 73a9db8..8261b15 100644
> --- a/xprop.c
> +++ b/xprop.c
> @@ -45,6 +45,9 @@ from The Open Group.
> #include <wctype.h>
> #endif
> #include <locale.h>
> +#ifdef HAVE_LANGINFO_H
> +#include <langinfo.h>
> +#endif
>
> #ifndef HAVE_WCTYPE_H
> #define iswprint(x) isprint(x)
> @@ -416,6 +419,7 @@ static propertyRec windowPropTable[] = {
> {"WM_NAME", XA_WM_NAME, "8t", 0 },
> {"WM_PROTOCOLS", 0, "32a", ": protocols $0+\n"},
> {"WM_SIZE_HINTS", XA_WM_SIZE_HINTS,"32mii", WM_SIZE_HINTS_DFORMAT },
> + {"_NET_WM_ICON", 0, "32o", 0 },
> {"WM_STATE", 0, "32cx", WM_STATE_DFORMAT}
> };
> #undef ARC_DFORMAT
> @@ -740,6 +744,113 @@ Format_Len_String (const char *string, int len)
> return result;
> }
>
> +static int
> +is_utf8_locale (void)
> +{
> +#ifdef HAVE_LANGINFO_H
> + char *charmap = nl_langinfo (CODESET);
> +
> + return charmap && strcmp (charmap, "UTF-8") == 0;
> +#else
> + return 0;
> +#endif
> +}
> +
> +static const char *
> +Format_Icons (const unsigned long *icon, int len)
> +{
> + char *result = NULL, *tail = NULL;
> + int alloced;
> + const unsigned long *end = icon + len / sizeof (unsigned long);
> +
> + alloced = 0;
> +
> + while (icon < end)
> + {
> + unsigned long width, height;
> + int w, h;
> + int offset;
> +
> + width = *icon++;
> + height = *icon++;
> +
> + offset = (tail - result);
> +
> + alloced += 80; /* For the header */
> + alloced += (width*4 + 8) * height; /* For the rows (plus padding) */
> +
> + result = Realloc (result, alloced);
> + tail = &result[offset];
> +
> + if (end - icon < width * height)
> + break;
> +
> + tail += sprintf (tail, "\tIcon (%lu x %lu):\n", width, height);
> +
> + if (width > 144 || height > 144)
> + {
> + tail += sprintf (tail, "\t(not shown)");
> + icon += width * height;
> + continue;
> + }
> +
> + for (h = 0; h < height; ++h)
> + {
> + tail += sprintf (tail, "\t");
> +
> + for (w = 0; w < width; ++w)
> + {
> + unsigned char a, r, g, b;
> + unsigned long pixel = *icon++;
> + unsigned long brightness;
> +
> + a = (pixel & 0xff000000) >> 24;
> + r = (pixel & 0x00ff0000) >> 16;
> + g = (pixel & 0x0000ff00) >> 8;
> + b = (pixel & 0x000000ff);
> +
> + brightness =
> + (a / 255.0) * (1000 - ((299 * (r / 255.0)) +
> + (587 * (g / 255.0)) +
> + (114 * (b / 255.0))));
> +
> + if (is_utf8_locale())
> + {
> + static const char palette[][4] =
> + {
> + " ",
> + "\342\226\221", /* 25% */
> + "\342\226\222", /* 50% */
> + "\342\226\223", /* 75% */
> + "\342\226\210", /* 100% */
> + };
> + int idx;
> +
> + idx = (brightness * ((sizeof (palette)/sizeof(palette[0])) - 1)) / 1000;
> +
> + tail += sprintf (tail, "%s", palette[idx]);
> + }
> + else
> + {
> + static const char palette[] =
> + " .'`,^:\";~-_+<>i!lI?/\\|()1{}[]rcvunxzjftLCJUYXZO0Qoahkbdpqwm*WMB8&%$#@";
> + int idx;
> +
> + idx = (brightness * (sizeof(palette) - 2)) / 1000;
> +
> + *tail++ = palette[idx];
> + }
> + }
> +
> + tail += sprintf (tail, "\n");
> + }
> +
> + tail += sprintf (tail, "\n");
> + }
> +
> + return result;
> +}
> +
> static const char *
> Format_Len_Text (const char *string, int len, Atom encoding)
> {
> @@ -859,6 +970,8 @@ Format_Thunk (thunk t, char format_char)
> return Format_Mask_Word(value);
> case 'a':
> return Format_Atom(value);
> + case 'o':
> + return Format_Icons((const unsigned long *)t.extra_value, (int)t.value);
> default:
> Fatal_Error("bad format character: %c", format_char);
> }
> @@ -1112,6 +1225,20 @@ Extract_Len_String (const char **pointer, int *length, int size, const char **st
> return len;
> }
>
> +static long
> +Extract_Icon (const char **pointer, int *length, int size, const char **icon)
> +{
> + int len = 0;
> +
> + if (size != 32)
> + Fatal_Error("can't use format character 'o' with any size except 32.");
> +
> + len = *length;
> + *icon = *pointer;
> + *length = 0;
> + return len;
> +}
> +
> static thunk *
> Break_Down_Property (const char *pointer, int length, Atom type, const char *format, int size)
> {
> @@ -1130,7 +1257,10 @@ Break_Down_Property (const char *pointer, int length, Atom type, const char *for
> else if (format_char == 't') {
> t.extra_encoding = type;
> t.value = Extract_Len_String(&pointer,&length,size,&t.extra_value);
> - } else
> + }
> + else if (format_char == 'o')
> + t.value = Extract_Icon (&pointer,&length,size,&t.extra_value);
> + else
> t.value = Extract_Value(&pointer,&length,size,format_char=='i');
> thunks = Add_Thunk(thunks, t);
> i++;
> --
> 1.6.2.2
>
> _______________________________________________
> xorg-devel mailing list
> xorg-devel at lists.x.org
> http://lists.x.org/mailman/listinfo/xorg-devel
>
More information about the xorg-devel
mailing list