This commit is contained in:
LemonBoy 2015-02-15 23:49:33 +01:00
parent fa9cfcbbd7
commit 9dd806b9fc
2 changed files with 111 additions and 56 deletions

View File

@ -1,5 +1,5 @@
CC ?= gcc
CFLAGS = -Wall -std=c99 -Os
CFLAGS = -g -Wall -std=c99 -Os
LDFLAGS = -lxcb -lxcb-xinerama -lxcb-randr
CFDEBUG = -g3 -pedantic -Wall -Wunused-parameter -Wlong-long\
-Wsign-conversion -Wconversion -Wimplicit-function-declaration

165
bar.c
View File

@ -188,15 +188,24 @@ xcb_void_cookie_t xcb_poly_text_16_simple(xcb_connection_t * c,
#define pad_to(x, to) (((x) + (to) - 1) & ~((to) - 1))
void
xbm_create_mask (uint8_t *bits, int width, int height, xcb_pixmap_t ppp)
typedef struct xbm_t {
int width;
int height;
uint8_t *bits;
size_t bits_size;
} xbm_t;
xbm_t xbm_cache[20];
int xbm_cache_elem = 0;
xbm_t *
xbm_load (uint8_t *bits, int width, int height)
{
const xcb_setup_t *setup = xcb_get_setup(c);
uint8_t *buf;
int width_b, line;
xcb_gcontext_t tmp_gc;
xcb_pixmap_t mask;
xcb_void_cookie_t cookie;
xbm_t *ico = &xbm_cache[xbm_cache_elem];
// XCB_IMAGE_ORDER_LSB_FIRST
// bitmap_format_bit_order
@ -205,31 +214,88 @@ xbm_create_mask (uint8_t *bits, int width, int height, xcb_pixmap_t ppp)
buf = malloc(height * line);
if (!buf)
return;
return NULL;
// Despite the naming, this is actually a stencil
for (int i = 0; i < height * width_b; i++)
bits[i] = ~bits[i];
for (int i = 0; i < height; i++)
memcpy(buf + (i * line),
bits + (i * width_b),
memcpy(buf + (i * line),
bits + (i * width_b),
width_b);
ico->width = width;
ico->height = height;
ico->bits = buf;
ico->bits_size = height * line;
xbm_cache_elem++;
return ico;
}
int
pixmap_shift (monitor_t *mon, int x, int align, int w)
{
switch (align) {
case ALIGN_L:
return x;
case ALIGN_C:
xcb_copy_area(c, mon->pixmap, mon->pixmap, gc[GC_DRAW],
mon->width / 2 - x / 2, 0,
mon->width / 2 - (x + w) / 2, 0,
x, bh);
return mon->width / 2 - (x + w) / 2 + x;
case ALIGN_R:
xcb_copy_area(c, mon->pixmap, mon->pixmap, gc[GC_DRAW],
mon->width - x, 0,
mon->width - x - w, 0,
x, bh);
return mon->width - w;
}
return 0;
}
int
draw_icon (monitor_t *mon, int x, xbm_t *icon, int align)
{
xcb_gcontext_t tmp_gc;
xcb_pixmap_t mask;
x = pixmap_shift(mon, x, align, icon->width);
mask = xcb_generate_id(c);
xcb_create_pixmap(c, 24, mask, mask, width, height);
xcb_create_pixmap(c, 1, mask, mon->pixmap, icon->width, icon->height);
tmp_gc = xcb_generate_id(c);
xcb_create_gc(c, tmp_gc, mask, XCB_GC_FOREGROUND, (const uint32_t []){ -1 });
xcb_create_gc(c, tmp_gc, mask, 0, NULL);
cookie = xcb_put_image_checked(c, XCB_IMAGE_FORMAT_XY_BITMAP, mask, tmp_gc, width, height, 0, 0, 0, 1, height * line, buf);
xcb_put_image(
c,
XCB_IMAGE_FORMAT_XY_BITMAP,
mask,
tmp_gc,
icon->width, icon->height,
0, 0,
0, 1,
icon->bits_size, icon->bits);
free(buf);
xcb_free_gc(c, tmp_gc);
xcb_generic_error_t *err;
err = xcb_request_check(c, cookie);
xcb_change_gc(c, gc[GC_DRAW], XCB_GC_CLIP_MASK, (const uint32_t []){ mask });
xcb_change_gc(c, gc[GC_DRAW], XCB_GC_CLIP_ORIGIN_X | XCB_GC_CLIP_ORIGIN_Y,
(const uint32_t []){ x, bh / 2 - icon->height / 2 });
xcb_poly_fill_rectangle(c, mon->pixmap, gc[GC_DRAW], 1,
(const xcb_rectangle_t []){ { 0, 0, bw, bh } });
xcb_change_gc(c, gc[GC_DRAW], XCB_GC_CLIP_MASK, (const uint32_t []){ XCB_NONE });
if (err)
fprintf(stderr, "fuckit %i\n", err->error_code);
else
fprintf(stderr, "ok\n");
xcb_free_pixmap(c, mask);
return icon->width;
}
int
@ -237,23 +303,7 @@ draw_char (monitor_t *mon, font_t *cur_font, int x, int align, uint16_t ch)
{
int ch_width = cur_font->width_lut[ch - cur_font->char_min].character_width;
switch (align) {
case ALIGN_C:
xcb_copy_area(c, mon->pixmap, mon->pixmap, gc[GC_DRAW],
mon->width / 2 - x / 2, 0,
mon->width / 2 - (x + ch_width) / 2, 0,
x, bh);
x = mon->width / 2 - (x + ch_width) / 2 + x;
break;
case ALIGN_R:
xcb_copy_area(c, mon->pixmap, mon->pixmap, gc[GC_DRAW],
mon->width - x, 0,
mon->width - x - ch_width, 0,
x, bh);
x = mon->width - ch_width;
break;
}
x = pixmap_shift(mon, x, align, ch_width);
// Draw the background first
fill_rect(mon->pixmap, gc[GC_CLEAR], x, by, ch_width, bh);
@ -261,25 +311,9 @@ draw_char (monitor_t *mon, font_t *cur_font, int x, int align, uint16_t ch)
ch = (ch >> 8) | (ch << 8);
// The coordinates here are those of the baseline
// xcb_poly_text_16_simple(c, mon->pixmap, gc[GC_DRAW],
// x, bh / 2 + cur_font->height / 2 - cur_font->descent,
// 1, &ch);
static unsigned char fox_bits[] = {
0x81,
0xC3,
0xBD,
0xFF,
0x99,
0xDB,
0x7E,
0x18,
};
int xbm_w = 8;
int xbm_h = 8;
xbm_create_mask(fox_bits, 8, 8, mon->pixmap);
xcb_poly_text_16_simple(c, mon->pixmap, gc[GC_DRAW],
x, bh / 2 + cur_font->height / 2 - cur_font->descent,
1, &ch);
// We can render both at the same time
if (attrs & ATTR_OVERL)
@ -290,6 +324,14 @@ draw_char (monitor_t *mon, font_t *cur_font, int x, int align, uint16_t ch)
return ch_width;
}
static unsigned char fox_bits[] = {
0x70, 0x88, 0xC4, 0xE2, 0x7E, 0x32, 0x09, 0x07
0x81, 0xC3, 0xBD, 0xFF, 0x99, 0xDB, 0x7E, 0x18,
};
int xbm_w = 8;
int xbm_h = 8;
rgba_t
parse_color (const char *str, char **end, const rgba_t def)
{
@ -604,6 +646,17 @@ parse (char *text)
p = end;
break;
case 'i':
;
int icon_index = (int)strtoul(p, NULL, 10);
if (icon_index < xbm_cache_elem) {
int w = draw_icon(cur_mon, pos_x, &xbm_cache[0], align);
pos_x += w;
area_shift(cur_mon->window, align, w);
}
p = end;
break;
// In case of error keep parsing after the closing }
default:
p = end;
@ -658,8 +711,8 @@ parse (char *text)
xcb_change_gc(c, gc[GC_DRAW] , XCB_GC_FONT, (const uint32_t []){ cur_font->ptr });
int w = draw_char(cur_mon, cur_font, pos_x, align, ucs);
pos_x += w;
area_shift(cur_mon->window, align, w);
}
}
@ -1346,6 +1399,8 @@ main (int argc, char **argv)
// Get the fd to Xserver
pollin[1].fd = xcb_get_file_descriptor(c);
xbm_load (fox_bits, xbm_w, xbm_h);
for (;;) {
bool redraw = false;