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cursor.c
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cursor.c
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/* Copyright (c) 1994-1996 David Hogan, see README for licence details */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <xcb/xcb.h>
#include <xcb/xcb_util.h>
#include <xcb/xcb_image.h>
#include <xcb/xcb_icccm.h>
#include "dat.h"
#include "fns.h"
typedef struct {
int width;
int hot[2];
unsigned char mask[64];
unsigned char fore[64];
} Cursordata;
Cursordata sweep0data = {
16,
{7, 7},
{0xC0, 0x03, 0xC0, 0x03, 0xC0, 0x03, 0xC0, 0x03,
0xC0, 0x03, 0xC0, 0x03, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xC0, 0x03, 0xC0, 0x03,
0xC0, 0x03, 0xC0, 0x03, 0xC0, 0x03, 0xC0, 0x03},
{0x00, 0x00, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01,
0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0xFE, 0x7F,
0xFE, 0x7F, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01,
0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x00, 0x00}
};
Cursordata boxcursdata = {
16,
{7, 7},
{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0x1F, 0xF8, 0x1F, 0xF8, 0x1F, 0xF8,
0x1F, 0xF8, 0x1F, 0xF8, 0x1F, 0xF8, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
{0x00, 0x00, 0xFE, 0x7F, 0xFE, 0x7F, 0xFE, 0x7F,
0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70,
0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70,
0xFE, 0x7F, 0xFE, 0x7F, 0xFE, 0x7F, 0x00, 0x00}
};
Cursordata sightdata = {
16,
{7, 7},
{0xF8, 0x1F, 0xFC, 0x3F, 0xFE, 0x7F, 0xDF, 0xFB,
0xCF, 0xF3, 0xC7, 0xE3, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xC7, 0xE3, 0xCF, 0xF3,
0xDF, 0x7B, 0xFE, 0x7F, 0xFC, 0x3F, 0xF8, 0x1F,},
{0x00, 0x00, 0xF0, 0x0F, 0x8C, 0x31, 0x84, 0x21,
0x82, 0x41, 0x82, 0x41, 0x82, 0x41, 0xFE, 0x7F,
0xFE, 0x7F, 0x82, 0x41, 0x82, 0x41, 0x82, 0x41,
0x84, 0x21, 0x8C, 0x31, 0xF0, 0x0F, 0x00, 0x00,}
};
Cursordata arrowdata = {
16,
{1, 1},
{0xFF, 0x07, 0xFF, 0x07, 0xFF, 0x03, 0xFF, 0x00,
0xFF, 0x00, 0xFF, 0x01, 0xFF, 0x03, 0xFF, 0x07,
0xE7, 0x0F, 0xC7, 0x1F, 0x83, 0x3F, 0x00, 0x7F,
0x00, 0xFE, 0x00, 0x7C, 0x00, 0x38, 0x00, 0x10,},
{0x00, 0x00, 0xFE, 0x03, 0xFE, 0x00, 0x3E, 0x00,
0x7E, 0x00, 0xFE, 0x00, 0xF6, 0x01, 0xE6, 0x03,
0xC2, 0x07, 0x82, 0x0F, 0x00, 0x1F, 0x00, 0x3E,
0x00, 0x7C, 0x00, 0x38, 0x00, 0x10, 0x00, 0x00,}
};
Cursordata whitearrow = {
16,
{0, 0},
{0xFF, 0x07, 0xFF, 0x07, 0xFF, 0x03, 0xFF, 0x00,
0xFF, 0x00, 0xFF, 0x01, 0xFF, 0x03, 0xFF, 0x07,
0xE7, 0x0F, 0xC7, 0x1F, 0x83, 0x3F, 0x00, 0x7F,
0x00, 0xFE, 0x00, 0x7C, 0x00, 0x38, 0x00, 0x10,},
{0xFF, 0x07, 0xFF, 0x07, 0x83, 0x03, 0xC3, 0x00,
0xC3, 0x00, 0x83, 0x01, 0x1B, 0x03, 0x3F, 0x06,
0x67, 0x0C, 0xC7, 0x18, 0x83, 0x31, 0x00, 0x63,
0x00, 0xC6, 0x00, 0x6C, 0x00, 0x38, 0x00, 0x10,}
};
Cursordata blittarget = {
18,
{8, 8},
{0xe0, 0x1f, 0x00, 0xf0, 0x3f, 0x00, 0xf8, 0x7f, 0x00,
0xfc, 0xff, 0x00, 0xfe, 0xff, 0x01, 0xff, 0xff, 0x03,
0xff, 0xff, 0x03, 0xff, 0xff, 0x03, 0xff, 0xff, 0x03,
0xff, 0xff, 0x03, 0xff, 0xff, 0x03, 0xff, 0xff, 0x03,
0xff, 0xff, 0x03, 0xfe, 0xff, 0x01, 0xfc, 0xff, 0x00,
0xf8, 0x7f, 0x00, 0xf0, 0x3f, 0x00, 0xe0, 0x1f, 0x00},
{0x00, 0x00, 0x00, 0xc0, 0x0f, 0x00, 0xf0, 0x3f, 0x00,
0x38, 0x73, 0x00, 0x8c, 0xc7, 0x00, 0xec, 0xdf, 0x00,
0x66, 0x9b, 0x01, 0x36, 0xb3, 0x01, 0xfe, 0xff, 0x01,
0xfe, 0xff, 0x01, 0x36, 0xb3, 0x01, 0x66, 0x9b, 0x01,
0xec, 0xdf, 0x00, 0x8c, 0xc7, 0x00, 0x38, 0x73, 0x00,
0xf0, 0x3f, 0x00, 0xc0, 0x0f, 0x00, 0x00, 0x00, 0x00}
};
Cursordata blitarrow = {
18,
{1, 1},
{0xff, 0x0f, 0x00, 0xff, 0x07, 0x00, 0xff, 0x03, 0x00,
0xff, 0x00, 0x00, 0xff, 0x00, 0x00, 0xff, 0x01, 0x00,
0xff, 0x03, 0x00, 0xff, 0x07, 0x00, 0xe7, 0x0f, 0x00,
0xc7, 0x1f, 0x00, 0x87, 0x3f, 0x00, 0x03, 0x7f, 0x00,
0x01, 0xfe, 0x00, 0x00, 0xfc, 0x01, 0x00, 0xf8, 0x03,
0x00, 0xf0, 0x01, 0x00, 0xe0, 0x00, 0x00, 0x40, 0x00},
{0x00, 0x00, 0x00, 0xfe, 0x03, 0x00, 0xfe, 0x00, 0x00,
0x3e, 0x00, 0x00, 0x7e, 0x00, 0x00, 0xfe, 0x00, 0x00,
0xf6, 0x01, 0x00, 0xe6, 0x03, 0x00, 0xc2, 0x07, 0x00,
0x82, 0x0f, 0x00, 0x00, 0x1f, 0x00, 0x00, 0x3e, 0x00,
0x00, 0x7c, 0x00, 0x00, 0xf8, 0x00, 0x00, 0xf0, 0x01,
0x00, 0xe0, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00}
};
Cursordata blitsweep = {
18,
{8, 8},
{0xc4, 0xff, 0x03, 0xce, 0xff, 0x03, 0xdf, 0xff, 0x03,
0x3e, 0x80, 0x03, 0x7c, 0x83, 0x03, 0xf8, 0x83, 0x03,
0xf7, 0x83, 0x03, 0xe7, 0x83, 0x03, 0xf7, 0x83, 0x03,
0xf7, 0x83, 0x03, 0x07, 0x80, 0x03, 0x07, 0x80, 0x03,
0x07, 0x80, 0x03, 0x07, 0x80, 0x03, 0x07, 0x80, 0x03,
0xff, 0xff, 0x03, 0xff, 0xff, 0x03, 0xff, 0xff, 0x03},
{0x00, 0x00, 0x00, 0x84, 0xff, 0x01, 0x0e, 0x00, 0x01,
0x1c, 0x00, 0x01, 0x38, 0x00, 0x01, 0x70, 0x01, 0x01,
0xe0, 0x01, 0x01, 0xc2, 0x01, 0x01, 0xe2, 0x01, 0x01,
0x02, 0x00, 0x01, 0x02, 0x00, 0x01, 0x02, 0x00, 0x01,
0x02, 0x00, 0x01, 0x02, 0x00, 0x01, 0x02, 0x00, 0x01,
0x02, 0x00, 0x01, 0xfe, 0xff, 0x01, 0x00, 0x00, 0x00}
};
/*
* Grey tile pattern for root background
*/
#define grey_width 2
#define grey_height 2
static char grey_bits[] = { 0x01, 0x02 };
static xcb_coloritem_t bl, wh;
static xcb_cursor_t getcursor(Cursordata *c, ScreenInfo *s)
{
xcb_pixmap_t f, m;
xcb_cursor_t cursor;
f = xcb_create_pixmap_from_bitmap_data(dpy, s->root, c->fore,
c->width, c->width, 1, 1, 0, NULL);
m = xcb_create_pixmap_from_bitmap_data(dpy, s->root, c->mask,
c->width, c->width, 1, 1, 0, NULL);
cursor = xcb_generate_id(dpy);
xcb_create_cursor(dpy, cursor, f, m,
bl.red, bl.green, bl.blue,
wh.red, wh.green, wh.blue,
c->hot[0], c->hot[1]);
return cursor;
}
void initcurs(ScreenInfo *s)
{
xcb_alloc_named_color_cookie_t cookie;
xcb_alloc_named_color_reply_t *reply;
uint32_t depth = 0;
cookie = xcb_alloc_named_color_unchecked(dpy, s->def_cmap,
strlen("black"), "black");
reply = xcb_alloc_named_color_reply(dpy, cookie, NULL);
if (reply) {
bl.pixel = reply->pixel;
bl.red = reply->exact_red;
bl.green = reply->exact_green;
bl.blue = reply->exact_blue;
free(reply);
}
else {
fprintf(stderr, "9wm: error allocating color black\n");
bl.pixel = 0L;
bl.red = 0;
bl.green = 0;
bl.blue = 0;
}
cookie = xcb_alloc_named_color_unchecked(dpy, s->def_cmap,
strlen("white"), "white");
reply = xcb_alloc_named_color_reply(dpy, cookie, NULL);
if (reply) {
wh.pixel = reply->pixel;
wh.red = reply->exact_red;
wh.green = reply->exact_green;
wh.blue = reply->exact_blue;
free(reply);
}
else {
fprintf(stderr, "9wm: error allocating color white\n");
wh.pixel = 0xffffff;
wh.red = 0xffff;
wh.green = 0xffff;
wh.blue = 0xffff;
}
if (nostalgia) {
s->arrow = getcursor(&blitarrow, s);
s->target = getcursor(&blittarget, s);
s->sweep0 = getcursor(&blitsweep, s);
s->boxcurs = getcursor(&blitsweep, s);
}
else {
s->arrow = getcursor(&arrowdata, s);
s->target = getcursor(&sightdata, s);
s->sweep0 = getcursor(&sweep0data, s);
s->boxcurs = getcursor(&boxcursdata, s);
}
depth = xcb_aux_get_depth(dpy, xcb_aux_get_screen(dpy, s->num));
s->root_pixmap = xcb_create_pixmap_from_bitmap_data(dpy, s->root,
grey_bits, grey_width, grey_height,
depth, bl.pixel, wh.pixel, NULL);
}