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Tear-free now.

This commit is contained in:
LemonBoy 2012-07-16 22:56:19 +02:00
parent 11e5e2e859
commit 8beab7672d
2 changed files with 16 additions and 8 deletions
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2
Makefile
View File

@ -1,6 +1,6 @@
CC ?= gcc
STRIP ?= strip
CFLAGS ?= -Os
CFLAGS ?= -O2
LDFLAGS += -lxcb
CFDEBUG = -g3 -pedantic -Wall -Wunused-parameter -Wlong-long\
-Wsign-conversion -Wconversion -Wimplicit-function-declaration

22
bar.c
View File

@ -15,6 +15,8 @@ static xcb_window_t root, win;
static xcb_gcontext_t gc;
static int bw, bh;
static const int pal[] = {COLOR0,COLOR1,COLOR2,COLOR3,COLOR4,COLOR5,COLOR6,COLOR7,COLOR8,COLOR9};
static xcb_drawable_t canvas;
#define MIN(a,b) ((a > b ? b : a))
@ -30,22 +32,22 @@ draw (int x, int align, int fgcol, int bgcol, char *text)
switch (align) {
case 1:
xcb_copy_area (c, win, win, gc, bw / 2 - pos_x / 2, 0, bw / 2 - (pos_x + strw) / 2, 0, pos_x, BAR_HEIGHT);
xcb_copy_area (c, canvas, canvas, gc, bw / 2 - pos_x / 2, 0, bw / 2 - (pos_x + strw) / 2, 0, pos_x, BAR_HEIGHT);
pos_x = bw / 2 - (pos_x + strw) / 2 + pos_x;
break;
case 2:
xcb_copy_area (c, win, win, gc, bw - pos_x, 0, bw - pos_x - strw, 0, pos_x, BAR_HEIGHT);
xcb_copy_area (c, canvas, canvas, gc, bw - pos_x, 0, bw - pos_x - strw, 0, pos_x, BAR_HEIGHT);
pos_x = bw - strw;
break;
}
/* Draw the background first */
xcb_change_gc (c, gc, XCB_GC_FOREGROUND, (const uint32_t []){ pal[bgcol] });
xcb_poly_fill_rectangle (c, canvas, gc, 1, (const xcb_rectangle_t []){ pos_x, 0, strw, BAR_HEIGHT });
/* Setup the colors */
xcb_change_gc (c, gc, XCB_GC_FOREGROUND, (const uint32_t []){ pal[fgcol] });
xcb_change_gc (c, gc, XCB_GC_BACKGROUND, (const uint32_t []){ pal[bgcol] });
xcb_change_window_attributes (c, win, XCB_CW_BACK_PIXEL, (const uint32_t []){ pal[bgcol] });
/* Draw the background first */
xcb_clear_area (c, 0, win, pos_x, 0, strw, BAR_HEIGHT);
do {
xcb_image_text_8 (c, MIN(len - done, 255), win, gc, pos_x, bh - ft_height / 2, text + done); /* Bottom-left coords */
xcb_image_text_8 (c, MIN(len - done, 255), canvas, gc, pos_x, bh - ft_height / 2, text + done); /* Bottom-left coords */
done += MIN(len - done, 255);
pos_x = done * ft_width;
} while (done < len);
@ -67,7 +69,8 @@ parse (char *text)
int fgcol = 1;
int bgcol = 0;
xcb_clear_area (c, 0, win, 0, 0, bw, BAR_HEIGHT);
xcb_change_gc (c, gc, XCB_GC_FOREGROUND, (const uint32_t []){ pal[0] });
xcb_poly_fill_rectangle (c, canvas, gc, 1, (const xcb_rectangle_t []){ 0, 0, bw, BAR_HEIGHT });
for (;;) {
if (*p == 0x0 || *p == 0xA || (*p == '\\' && p++ && *p != '\\' && strchr ("fblcr", *p))) {
pos_x += draw (pos_x, align, fgcol, bgcol, parsed_text);
@ -91,6 +94,7 @@ parse (char *text)
void
cleanup (void)
{
xcb_free_pixmap (c, canvas);
xcb_destroy_window (c, win);
xcb_free_gc (c, gc);
xcb_disconnect (c);
@ -136,6 +140,9 @@ init (void)
xcb_create_window (c, XCB_COPY_FROM_PARENT, win, root, 0, 0, bw, bh, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
scr->root_visual, XCB_CW_BACK_PIXEL | XCB_CW_OVERRIDE_REDIRECT,
(const uint32_t []){ pal[0], 1 });
/* Create a temporary canvas */
canvas = xcb_generate_id (c);
xcb_create_pixmap (c, scr->root_depth, canvas, root, bw, BAR_HEIGHT);
/* Create the gc for drawing */
gc = xcb_generate_id (c);
xcb_create_gc (c, gc, root, XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT,
@ -169,6 +176,7 @@ main (int argc, char **argv)
while (fgets (input, sizeof(input), stdin)) {
parse (input);
xcb_copy_area (c, canvas, win, gc, 0, 0, 0, 0, bw, BAR_HEIGHT);
xcb_flush (c);
}
/* There's no more data, but the user still wants to see it */