Merge remote-tracking branch 'upstream/master'

Conflicts:
	bar.c
This commit is contained in:
Georg Reinke 2012-08-17 13:35:32 +02:00
commit e1cd134ec2
3 changed files with 50 additions and 39 deletions

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@ -3,8 +3,8 @@ b(ar) a(in't) r(ecursive)
2012 (C) The Lemon Man
A lightweight bar based on XCB (yay). Provides foreground/background color
switching along with text alignment (screw you dzen!), nothing less and
nothing more.
switching along with text alignment (screw you dzen!), full utf8 support
and reduced memory footprint. Nothing less and nothing more.
Options
-------
@ -43,7 +43,7 @@ To draw a backslash just backslash escape it (\\\\).
f<0-9> Selects the text foreground color from the palette.
b<0-9> Selects the text background color from the palette.
u<0-9> Selects the underline color from the palette.
To reset the bg/fg color just pass 'r' as color index.
To reset the bg/fg/underline color just pass 'r' as the color index.
l Aligns the text to the left.
c Aligns the text to the center.

74
bar.c
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@ -16,12 +16,12 @@
#define MAX(a,b) ((a > b) ? a : b)
typedef struct fontset_item_t {
xcb_font_t xcb_ft;
int height;
int width;
int descent;
unsigned short char_max;
unsigned short char_min;
xcb_font_t xcb_ft;
xcb_query_font_reply_t *info;
xcb_charinfo_t *table;
int avg_height;
unsigned short char_max;
unsigned short char_min;
} fontset_item_t;
enum {
@ -54,7 +54,6 @@ xcb_set_bg (int i)
{
xcb_change_gc (c, draw_gc , XCB_GC_BACKGROUND, (const unsigned []){ palette[i] });
xcb_change_gc (c, clear_gc , XCB_GC_FOREGROUND, (const unsigned []){ palette[i] });
xcb_change_gc (c, underl_gc, XCB_GC_FOREGROUND, (const unsigned []){ palette[i] });
}
void
@ -85,34 +84,44 @@ xcb_set_fontset (int i)
int
draw_char (int x, int align, wchar_t ch)
{
int ch_width;
ch_width = (ch > sel_font->char_min && ch < sel_font->char_max) ?
sel_font->table[ch - sel_font->char_min].character_width :
0;
if (ch_width == 0)
return 0;
switch (align) {
case ALIGN_C:
xcb_copy_area (c, canvas, canvas, draw_gc, bar_width / 2 - x / 2, 0,
bar_width / 2 - (x + sel_font->width) / 2, 0, x, BAR_HEIGHT);
x = bar_width / 2 - (x + sel_font->width) / 2 + x;
bar_width / 2 - (x + ch_width) / 2, 0, x, BAR_HEIGHT);
x = bar_width / 2 - (x + ch_width) / 2 + x;
break;
case ALIGN_R:
xcb_copy_area (c, canvas, canvas, draw_gc, bar_width - x, 0,
bar_width - x - sel_font->width, 0, x, BAR_HEIGHT);
x = bar_width - sel_font->width;
bar_width - x - ch_width, 0, x, BAR_HEIGHT);
x = bar_width - ch_width;
break;
}
/* Draw the background first */
xcb_fill_rect (clear_gc, x, 0, sel_font->width, BAR_HEIGHT);
/* Draw the underline */
if (BAR_UNDERLINE_HEIGHT)
xcb_fill_rect (underl_gc, x, BAR_HEIGHT-BAR_UNDERLINE_HEIGHT, sel_font->width, BAR_UNDERLINE_HEIGHT);
xcb_fill_rect (clear_gc, x, 0, ch_width, BAR_HEIGHT);
/* xcb accepts string in UCS-2 BE, so swap */
ch = (ch >> 8) | (ch << 8);
/* String baseline coordinates */
xcb_image_text_16 (c, 1, canvas, draw_gc, x, BAR_HEIGHT / 2 + sel_font->height / 2 - sel_font->descent,
xcb_image_text_16 (c, 1, canvas, draw_gc, x, BAR_HEIGHT / 2 + sel_font->avg_height / 2 - sel_font->info->font_descent,
(xcb_char2b_t *)&ch);
return sel_font->width;
/* Draw the underline */
if (BAR_UNDERLINE_HEIGHT)
xcb_fill_rect (underl_gc, x, BAR_UNDERLINE*(BAR_HEIGHT-BAR_UNDERLINE_HEIGHT), ch_width, BAR_UNDERLINE_HEIGHT);
return ch_width;
}
void
@ -214,19 +223,17 @@ font_load (const char **font_list)
font_info = xcb_query_font_reply (c, queryreq, NULL);
fontset[i].xcb_ft = font;
fontset[i].width = font_info->max_bounds.character_width;
fontset[i].descent = font_info->font_descent;
fontset[i].table = xcb_query_font_char_infos (font_info);
fontset[i].info = font_info;
fontset[i].char_max= font_info->max_byte1 << 8 | font_info->max_char_or_byte2;
fontset[i].char_min= font_info->min_byte1 << 8 | font_info->min_char_or_byte2;
max_height = MAX(font_info->font_ascent + font_info->font_descent, max_height);
free (font_info);
}
/* To have an uniform alignment */
for (int i = 0; i < FONT_MAX; i++)
fontset[i].height = max_height;
fontset[i].avg_height = max_height;
return 0;
}
@ -258,12 +265,12 @@ set_ewmh_atoms (xcb_window_t root)
reply = xcb_intern_atom_reply (c, cookies[4], NULL);
atoms[4] = reply->atom; free (reply);
do {
reply1 = xcb_get_property_reply (c, xcb_get_property (c, 0, root, atoms[4], XCB_ATOM_ATOM, 0, -1), NULL);
} while (!xcb_get_property_value_length (reply1));
compliance_lvl = 0;
reply1 = xcb_get_property_reply (c, xcb_get_property (c, 0, root, atoms[4], XCB_ATOM_ATOM, 0, -1), NULL);
if (!reply)
return compliance_lvl;
for (xcb_atom_t *a = xcb_get_property_value (reply1);
a && a != xcb_get_property_value_end (reply1).data;
a++)
@ -319,7 +326,7 @@ init (void)
root = scr->root;
/* Load the font */
if (font_load ((const char* []){ BAR_MAIN_FONT, BAR_FALLBACK_FONT }))
if (font_load ((const char* []){ BAR_FONT }))
exit (1);
/* Create the main window */
@ -360,10 +367,13 @@ init (void)
void
cleanup (void)
{
if (fontset[FONT_MAIN].xcb_ft)
xcb_close_font (c, fontset[FONT_MAIN].xcb_ft);
if (fontset[FONT_FALLBACK].xcb_ft)
xcb_close_font (c, fontset[FONT_FALLBACK].xcb_ft);
int i;
for (i = 0; i < FONT_MAX; i++) {
if (fontset[i].info)
free (fontset[i].info);
if (fontset[i].xcb_ft)
xcb_close_font (c, fontset[i].xcb_ft);
}
if (canvas)
xcb_free_pixmap (c, canvas);
if (win)

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@ -1,12 +1,13 @@
/* The height of the bar (in pixels) */
#define BAR_HEIGHT 18
/* The thickness of the underline (in pixels) */
/* Choose between an underline or an overline */
#define BAR_UNDERLINE 1
/* The thickness of the underline (in pixels). Set to 0 to disable. */
#define BAR_UNDERLINE_HEIGHT 2
/* Default bar position, overwritten by '-b' switch */
#define BAR_BOTTOM 0
/* The font used for the bar */
#define BAR_MAIN_FONT "-*-terminus-medium-r-normal-*-12-*-*-*-c-*-*-1"
#define BAR_FALLBACK_FONT "fixed"
/* The fonts used for the bar, comma separated. Only the first 2 will be used. */
#define BAR_FONT "-*-terminus-medium-r-normal-*-12-*-*-*-c-*-*-1","fixed"
/* Color palette */
#define COLOR0 0x1A1A1A /* background */
#define COLOR1 0xA9A9A9 /* foreground */