/*
* _NET_WM_ICON helpers for slide puzzle game
- * Copyright © 2022 Nick Bowler
+ * Copyright © 2022-2023 Nick Bowler
*
* 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
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <stdint.h>
-#include <X11/Intrinsic.h>
-#include <X11/Xatom.h>
-#include "motif.h"
+#if !X_DISPLAY_MISSING
+# include <X11/Intrinsic.h>
+# include <X11/Xatom.h>
+#endif
-static unsigned long scale16to8(unsigned x)
+#include "ewmhicon.h"
+#include "colour.h"
+#include "icon.h"
+
+enum { ICON_16x16, ICON_24x24, ICON_32x32, ICON_48x48, ICON_MAX };
+
+static unsigned long scale16to8(uint_least32_t x)
{
- return x*0xfful / 0xffff;
+ return x*0xff / 0xffff;
}
static unsigned long wm_pixel(const XColor *c)
{
- return 0xff000000
- | scale16to8(c->red) << 16
- | scale16to8(c->green) << 8
- | scale16to8(c->blue);
+ uint_least32_t t = -1;
+
+ t = (t << 8) + scale16to8(c->red);
+ t = (t << 8) + scale16to8(c->green);
+ t = (t << 8) + scale16to8(c->blue);
+
+ return t & 0xffffffff;
}
-/*
- * The 16x16 icon is drawn with 1px shadow, 6x6 tiles, with 1 pixel cropped off
- * all the edge tiles
- */
-void ewmh_tile16(unsigned long *icon, const XColor *c, int tile_x, int tile_y)
+void ewmh_icon_prepare_cmap(XColor *map, unsigned n)
{
- int out_x, out_y, out_w, x, y;
- unsigned long row[6];
-
- out_x = tile_x * 11 / 2;
- out_y = tile_y * 11 / 2;
- out_w = (5 + (tile_x == 1)) * sizeof row[0];
-
- for (y = 0+(tile_y == 0); y < 6-(tile_y == 2); y++) {
- for (x = 0+(tile_x == 0); x < 6-(tile_x==2); x++) {
- if (x == 0 || y == 0)
- row[x] = wm_pixel(&c[COLOUR_LIGHT]);
- else if (x == 5 || y == 5)
- row[x] = wm_pixel(&c[COLOUR_DARK]);
- else
- row[x] = wm_pixel(&c[COLOUR_PRIMARY]);
- }
- memcpy(&icon[16 * out_y++ + out_x], &row[tile_x == 0], out_w);
+ unsigned i;
+
+ for (i = 0; i < n; i++) {
+ map[i].pixel = wm_pixel(&map[i]);
}
}
-/*
- * The 24x24 icon is drawn with 1px shadow and 8x8 tiles.
- */
-void ewmh_tile24(unsigned long *icon, const XColor *c, int tile_x, int tile_y)
+static void do_remap(void *icon, unsigned area, const XColor *map)
{
- int out_x, out_y, x, y;
- unsigned long row[8];
-
- out_x = tile_x * 8;
- out_y = tile_y * 8;
-
- for (y = 0; y < 8; y++) {
- for (x = 0; x < 8; x++) {
- if (x == 0 || y == 0)
- row[x] = wm_pixel(&c[COLOUR_LIGHT]);
- else if (x == 7 || y == 7)
- row[x] = wm_pixel(&c[COLOUR_DARK]);
- else
- row[x] = wm_pixel(&c[COLOUR_PRIMARY]);
- }
- memcpy(&icon[24 * out_y++ + out_x], row, sizeof row);
+ unsigned char *index = icon;
+ unsigned long *argb = icon;
+ unsigned i;
+
+ area--;
+ for (i = 0; i <= area; i++) {
+ argb[area-i] = (map + index[area-i])->pixel;
}
}
-/*
- * The 32x32 icon is drawn with 1px shadow with slightly uneven tiles on
- * an 11-10-11 pixel grid.
- */
-void ewmh_tile32(unsigned long *icon, const XColor *c, int tile_x, int tile_y)
+void *ewmh_icon_generate(const unsigned long *seq, const XColor *map)
{
- int out_x, out_y, out_w, out_h, x, y;
- unsigned long row[11];
-
- out_x = 10*tile_x + (tile_x > 0);
- out_y = 10*tile_y + (tile_y > 0);
- out_w = 10 + (tile_x != 1);
- out_h = 10 + (tile_y != 1);
-
- for (y = 0; y < out_h; y++) {
- for (x = 0; x < out_w; x++) {
- if (x == 0 || y == 0)
- row[x] = wm_pixel(&c[COLOUR_LIGHT]);
- else if (x == out_w-1 || y == out_h-1)
- row[x] = wm_pixel(&c[COLOUR_DARK]);
- else
- row[x] = wm_pixel(&c[COLOUR_PRIMARY]);
+ static const unsigned char dims[ICON_MAX] = { 16, 24, 32, 48 };
+ unsigned long *work, *ret;
+ unsigned i, j, fullsize, size;
+
+ work = ret = malloc(sizeof *work * EWMH_ICON_NELEM);
+ if (!work)
+ return NULL;
+
+ for (i = fullsize = 0; i < ICON_MAX; i++) {
+ work += fullsize;
+
+ size = dims[i];
+ *work++ = size;
+ *work++ = size;
+
+ for (j = 0; j < 9; j++) {
+ unsigned x = j%3, y = j/3;
+
+ switch (i) {
+ case 0: icon_tile16((void *)work, seq[j], x, y); break;
+ case 1: icon_tile24((void *)work, seq[j], x, y); break;
+ case 2: icon_tile32((void *)work, seq[j], x, y); break;
+ case 3: icon_tile48((void *)work, seq[j], x, y); break;
+ }
}
- memcpy(&icon[32 * out_y++ + out_x], row, out_w * sizeof row[0]);
+
+ fullsize = size*size;
+ do_remap(work, fullsize, map);
}
+
+ return ret;
}
+#if !X_DISPLAY_MISSING
+
/*
- * The 48x48 icon is drawn with 2px shadow and 16x16 tiles.
+ * EWMH-supporting window managers that handle _NET_WM_ICON add this atom to
+ * the _NET_SUPPORTED list on the root window. Look for that and return 1
+ * if it is found, or 0 otherwise.
*/
-void ewmh_tile48(unsigned long *icon, const XColor *c, int tile_x, int tile_y)
-{
- int out_x, out_y, x, y;
- unsigned long row[16];
-
- out_x = tile_x * 16;
- out_y = tile_y * 16;
-
- for (y = 0; y < 16; y++) {
- for (x = 0; x < 16; x++) {
- if (x == 0 || y == 0)
- row[x] = wm_pixel(&c[COLOUR_LIGHT]);
- else if (x == 15 || y == 15)
- row[x] = wm_pixel(&c[COLOUR_DARK]);
- else if (x == 1 || y == 1)
- row[x] = wm_pixel(&c[COLOUR_LIGHT]);
- else if (x == 14 || y == 14)
- row[x] = wm_pixel(&c[COLOUR_DARK]);
- else
- row[x] = wm_pixel(&c[COLOUR_PRIMARY]);
- }
- memcpy(&icon[48 * out_y++ + out_x], row, sizeof row);
- }
-}
-
int ewmh_probe_wm_icon(Widget shell)
{
Display *display = XtDisplay(shell);
unsigned char *prop_return;
int format;
- net_wm_icon = XInternAtom(display, "_NET_WM_ICON", FALSE);
- net_supported = XInternAtom(display, "_NET_SUPPORTED", FALSE);
+ net_wm_icon = XInternAtom(display, "_NET_WM_ICON", 0);
+ net_supported = XInternAtom(display, "_NET_SUPPORTED", 0);
do {
XGetWindowProperty(display, root, net_supported, offset, 10,
- FALSE, XA_ATOM, &type,
- &format, &nitems, &bytes_after,
+ 0, XA_ATOM, &type, &format,
+ &nitems, &bytes_after,
&prop_return);
if (format != 32 || type != XA_ATOM)
props = (void *)prop_return;
for (i = 0; i < nitems; i++) {
if (props[i] == net_wm_icon) {
+ XFree(props);
return 1;
}
}
+ XFree(props);
} while (nitems > 0 && bytes_after > 0);
return 0;
}
-void *ewmh_icon_alloc(unsigned long **sizes)
-{
- unsigned long *buf;
-
- buf = calloc(sizeof *buf, EWMH_ICON_NELEM);
- if (buf) {
- sizes[ICON_16x16] = buf;
- *sizes[ICON_16x16]++ = 16;
- *sizes[ICON_16x16]++ = 16;
-
- sizes[ICON_24x24] = sizes[ICON_16x16] + 16*16;
- *sizes[ICON_24x24]++ = 24;
- *sizes[ICON_24x24]++ = 24;
-
- sizes[ICON_32x32] = sizes[ICON_24x24] + 24*24;
- *sizes[ICON_32x32]++ = 32;
- *sizes[ICON_32x32]++ = 32;
-
- sizes[ICON_48x48] = sizes[ICON_32x32] + 32*32;
- *sizes[ICON_48x48]++ = 48;
- *sizes[ICON_48x48]++ = 48;
- }
-
- return buf;
-}
+#endif
projects / rrace.git / blobdiff