fbt/lemonbar
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added basic image support in the form %{I:filename.png:}X%{I} where X is a character replaced by an image (XX would put the same image twice, and X can be any character).

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This commit is contained in:
Bram Wasti 2015-01-06 21:55:34 -05:00
parent 4cb41ace87
commit 510cc745cf
1 changed files with 49 additions and 6 deletions
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55
bar.c
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@ -76,6 +76,7 @@ static int bu = 1; /* Underline height */
static char *mfont = NULL;
static uint32_t fgc, bgc;
static area_stack_t astack;
static char *img_file = NULL;
enum {
PAL_BG,
@ -110,7 +111,7 @@ cairo_copy (cairo_t *cr, cairo_surface_t *s, int sx, int sy, int dx, int dy, int
}
int
draw_char (monitor_t *mon, int x, int align, char *ch)
draw_char (monitor_t *mon, int x, int align, char *ch, int draw_image)
{
cairo_font_extents_t ext;
cairo_text_extents_t te;
@ -134,10 +135,22 @@ draw_char (monitor_t *mon, int x, int align, char *ch)
/* Draw the background first */
fill_rect(mon->cr, PAL_BG, x, by, ch_width, bh);
/* String baseline coordinates */
cairo_move_to(mon->cr, x, bh / 2 + ext.height / 2 - ext.descent);
cairo_set_color(mon->cr, PAL_FG);
cairo_show_text(mon->cr, ch);
if (draw_image && img_file != NULL) {
cairo_surface_t *img;
img = cairo_image_surface_create_from_png(img_file);
int w = cairo_image_surface_get_width(img);
int h = cairo_image_surface_get_height(img);
cairo_set_source_surface(mon->cr, img, x, 0);
cairo_mask_surface(mon->cr, img, x, 0);
ch_width = w;
cairo_surface_destroy(img);
} else {
/* String baseline coordinates */
cairo_move_to(mon->cr, x, bh / 2 + ext.height / 2 - ext.descent);
cairo_set_color(mon->cr, PAL_FG);
cairo_show_text(mon->cr, ch);
}
/* We can render both at the same time */
if (attrs & ATTR_OVERL)
@ -246,6 +259,31 @@ area_shift (xcb_window_t win, const int align, int delta)
}
}
bool get_image_file(char *str, char *optend, char **end)
{
char *p = str;
/* Closing tag. */
if (*p != ':') {
*end = p;
return false;
}
char *trail = strchr(++p, ':');
/* Find the trailing : and make sure it's whitin the formatting block, also reject empty files */
if (!trail || p == trail || trail > optend) {
*end = p;
return false;
}
*trail = '\0';
img_file = p;
*end = trail + 1;
return true;
}
bool
area_add (char *str, const char *optend, char **end, monitor_t *mon, const int x, const int align, const int button)
{
@ -328,6 +366,8 @@ parse (char *text)
fill_rect(m->cr, PAL_BG, 0, 0, m->width, bh);
}
bool char_is_image = false;
for (;;) {
if (*p == '\0' || *p == '\n')
return;
@ -352,6 +392,9 @@ parse (char *text)
case 'c': pos_x = 0; align = ALIGN_C; break;
case 'r': pos_x = 0; align = ALIGN_R; break;
case 'I':
char_is_image = get_image_file(p, end, &p);
break;
case 'A':
button = XCB_BUTTON_INDEX_1;
/* The range is 1-5 */
@ -413,7 +456,7 @@ parse (char *text)
tmp[i] = *p++;
tmp[size] = '\0';
int w = draw_char(cur_mon, pos_x, align, tmp);
int w = draw_char(cur_mon, pos_x, align, tmp, char_is_image);
pos_x += w;
area_shift(cur_mon->window, align, w);