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changed so command line arguments can be provided to configure the bar. 

palette.pl might be broken I haven't had time to check nor do I use it.

I kept the original option characters so as not to mess anyones configuration up.
This commit is contained in:
mikeyjk 2014-01-17 14:45:15 +08:00
parent cc34dab746
commit 522a693f07
3 changed files with 89 additions and 53 deletions
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14
README.md
View File

@ -17,10 +17,18 @@ Options
bar accepts a couple of command line switches.
```
-h Show the help and bail out.
-p Make the bar permanent.
-h Show the help and bail out.
-b Show the bar at the bottom of the screen.
-w <width> Set width of the bar.
-s <height> Set height of the bar.
-o <offset> Set bar's offset from the left. 0 disables.
-f Force docking (use this if your WM isn't EWMH compliant)
-b Show the bar at the bottom of the screen.
-u <line> Choose between underline (1) or overline (0).
-t <thickness> Thickness of underline. 0 to disable.
-n <font> Font used. In the form of '-*-*-' etc.
-k <width> Set font fallback width.
-c <opacity> Requires a compositor. 0: Invisible, 1: Opaque.
-p Make the bar permanent.
```
Configuration

111
bar.c
View File

@ -18,6 +18,33 @@
#define MAX(a,b) ((a > b) ? a : b)
// the height of the bar (in pixels)
static int bar_height = 15;
// the width of the bar. set to -1 to fit screen
static int bar_width = -1;
// offset from the left. set to 0 to have no effect
static int bar_offset = 0;
// choose between an underline or an overline
static int bar_underline = 1;
// thickness of underline (in pixels). set 0 to disable
static int bar_underline_height = 2;
// default bar position, overwritten by -b op
static int bar_bottom = 0;
// fonts used for the bar, comma seperated. only the first 2 will be used
static char* bar_font = "-*-terminus-medium-r-normal-*-12-*-*-*-c-*-*-1";
// some fonts don't set the right width for some chars
static int bar_font_fallback_width = 6;
// define the opacity of the bar (requires a compositor such as compton)
static int bar_opacity = 1.0; // 0 is invisible, 1 is opaque
typedef struct fontset_item_t {
xcb_font_t xcb_ft;
xcb_charinfo_t *table;
@ -51,7 +78,7 @@ static xcb_gcontext_t draw_gc;
static xcb_gcontext_t clear_gc;
static xcb_gcontext_t underl_gc;
static int bar_width;
static int bar_bottom = BAR_BOTTOM;
// static int bar_bottom = bar_bottom;
static int force_docking = 0;
static fontset_item_t fontset[FONT_MAX];
static fontset_item_t *sel_font = NULL;
@ -111,34 +138,34 @@ draw_char (screen_t *screen, int x, int align, wchar_t ch)
/* Some fonts (such as anorexia) have the space char with the width set to 0 */
if (ch_width == 0)
ch_width = BAR_FONT_FALLBACK_WIDTH;
ch_width = bar_font_fallback_width;
switch (align) {
case ALIGN_C:
xcb_copy_area (c, canvas, canvas, draw_gc, screen->width / 2 - x / 2 + screen->x, 0,
screen->width / 2 - (x + ch_width) / 2 + screen->x, 0, x, BAR_HEIGHT);
screen->width / 2 - (x + ch_width) / 2 + screen->x, 0, x, bar_height);
x = screen->width / 2 - (x + ch_width) / 2 + x;
break;
case ALIGN_R:
xcb_copy_area (c, canvas, canvas, draw_gc, screen->width - x + screen->x, 0,
screen->width - x - ch_width + screen->x, 0, x, BAR_HEIGHT);
screen->width - x - ch_width + screen->x, 0, x, bar_height);
x = screen->width - ch_width;
break;
}
/* Draw the background first */
xcb_fill_rect (clear_gc, x + screen->x, 0, ch_width, BAR_HEIGHT);
xcb_fill_rect (clear_gc, x + screen->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 + screen->x, BAR_HEIGHT / 2 + sel_font->avg_height / 2 - sel_font->descent,
xcb_image_text_16 (c, 1, canvas, draw_gc, x + screen->x, bar_height / 2 + sel_font->avg_height / 2 - sel_font->descent,
(xcb_char2b_t *)&ch);
/* Draw the underline */
if (BAR_UNDERLINE_HEIGHT)
xcb_fill_rect (underl_gc, x + screen->x, BAR_UNDERLINE*(BAR_HEIGHT-BAR_UNDERLINE_HEIGHT), ch_width, BAR_UNDERLINE_HEIGHT);
if (bar_underline_height)
xcb_fill_rect (underl_gc, x + screen->x, bar_underline*(bar_height-bar_underline_height), ch_width, bar_underline_height);
return ch_width;
}
@ -152,7 +179,7 @@ parse (char *text)
int align = 0;
screen_t *screen = &screens[0];
xcb_fill_rect (clear_gc, 0, 0, bar_width, BAR_HEIGHT);
xcb_fill_rect (clear_gc, 0, 0, bar_width, bar_height);
for (;;) {
if (*p == '\0')
@ -335,16 +362,16 @@ set_ewmh_atoms ()
for (screen_t *cur_screen = screens; cur_screen < screens+num_screens; cur_screen++) {
int strut[12] = {0};
if (bar_bottom) {
strut[3] = BAR_HEIGHT;
strut[3] = bar_height;
strut[10] = cur_screen->x;
strut[11] = cur_screen->x + cur_screen->width;
} else {
strut[2] = BAR_HEIGHT;
strut[2] = bar_height;
strut[8] = cur_screen->x;
strut[9] = cur_screen->x + cur_screen->width;
}
xcb_change_property (c, XCB_PROP_MODE_REPLACE, cur_screen->window, atom_list[NET_WM_WINDOW_OPACITY], XCB_ATOM_CARDINAL, 32, 1, (const uint32_t []){ (uint32_t)(BAR_OPACITY * 0xffffffff) } );
xcb_change_property (c, XCB_PROP_MODE_REPLACE, cur_screen->window, atom_list[NET_WM_WINDOW_OPACITY], XCB_ATOM_CARDINAL, 32, 1, (const uint32_t []){ (uint32_t)(bar_opacity * 0xffffffff) } );
xcb_change_property (c, XCB_PROP_MODE_REPLACE, cur_screen->window, atom_list[NET_WM_WINDOW_TYPE], XCB_ATOM_ATOM, 32, 1, &atom_list[NET_WM_WINDOW_TYPE_DOCK]);
xcb_change_property (c, XCB_PROP_MODE_APPEND, cur_screen->window, atom_list[NET_WM_STATE], XCB_ATOM_ATOM, 32, 2, &atom_list[NET_WM_STATE_STICKY]);
xcb_change_property (c, XCB_PROP_MODE_REPLACE, cur_screen->window, atom_list[NET_WM_DESKTOP], XCB_ATOM_CARDINAL, 32, 1, (const uint32_t []){ -1 } );
@ -389,10 +416,10 @@ init (void)
root = scr->root;
/* where to place the window */
bar_width = (BAR_WIDTH < 0) ? (scr->width_in_pixels - BAR_OFFSET) : BAR_WIDTH;
bar_width = (bar_width < 0) ? (scr->width_in_pixels - bar_offset) : bar_width;
/* Load the font */
if (font_load ((const char* []){ BAR_FONT }))
if (font_load ((const char* []){ bar_font,"fixed" }))
exit (1);
/* Generate a list of screens */
@ -410,8 +437,8 @@ init (void)
if (screens == NULL)
exit (1);
/* Add BAR_OFFSET to the last screen */
int right_bar_offset = scr->width_in_pixels - bar_width - BAR_OFFSET;
/* Add bar_offset to the last screen */
int right_bar_offset = scr->width_in_pixels - bar_width - bar_offset;
for (cur_screen = &screens[num_screens-1]; cur_screen >= screens; xcb_xinerama_screen_info_next (&xinerama_iter), cur_screen--) {
cur_screen->width = xinerama_iter.data->width;
if (right_bar_offset > 0) {
@ -425,10 +452,10 @@ init (void)
}
}
cur_screen->x = xinerama_iter.data->x_org - BAR_OFFSET;
cur_screen->x = xinerama_iter.data->x_org - bar_offset;
/* Create the main window */
int y = ( bar_bottom ? ( xinerama_iter.data->height - BAR_HEIGHT ) : 0 ) + xinerama_iter.data->y_org;
cur_screen->window = create_window( root, cur_screen->x, y, cur_screen->width, BAR_HEIGHT, scr->root_visual );
int y = ( bar_bottom ? ( xinerama_iter.data->height - bar_height ) : 0 ) + xinerama_iter.data->y_org;
cur_screen->window = create_window( root, cur_screen->x, y, cur_screen->width, bar_height, scr->root_visual );
if (cur_screen->x < 0) {
/* First screen */
@ -438,8 +465,8 @@ init (void)
}
free(xinerama_reply);
/* Remove BAR_OFFSET from the first screen */
cur_screen->width -= BAR_OFFSET;
/* Remove bar_offset from the first screen */
cur_screen->width -= bar_offset;
/* Shift */
if (cur_screen > screens)
@ -453,11 +480,11 @@ init (void)
num_screens = 1;
screens = calloc(1, sizeof(screen_t));
/* Take into account the offset */
screens[0].x = BAR_OFFSET;
screens[0].width = bar_width - BAR_OFFSET;
screens[0].x = bar_offset;
screens[0].width = bar_width - bar_offset;
/* Create the main window */
int y = bar_bottom ? (scr->height_in_pixels - BAR_HEIGHT) : 0;
screens->window = create_window( root, screens->x, y, screens->width, BAR_HEIGHT, scr->root_visual );
int y = bar_bottom ? (scr->height_in_pixels - bar_height) : 0;
screens->window = create_window( root, screens->x, y, screens->width, bar_height, scr->root_visual );
#endif
/* For WM that support EWMH atoms */
@ -465,7 +492,7 @@ init (void)
/* Create a temporary canvas */
canvas = xcb_generate_id (c);
xcb_create_pixmap (c, scr->root_depth, canvas, root, bar_width, BAR_HEIGHT);
xcb_create_pixmap (c, scr->root_depth, canvas, root, bar_width, bar_height);
/* Create the gc for drawing */
draw_gc = xcb_generate_id (c);
@ -533,18 +560,36 @@ main (int argc, char **argv)
int permanent = 0;
char ch;
while ((ch = getopt (argc, argv, "phbf")) != -1) {
while ((ch = getopt (argc, argv, "hbw:s:o:fu:t:n:k:c:p")) != -1) {
switch (ch) {
case 'h':
printf ("usage: %s [-p | -h] [-b]\n"
"\t-h Show this help\n"
"\t-b Put bar at the bottom of the screen\n"
"\t-h Show this help.\n"
"\t-b Put bar at the bottom of the screen.\n"
"\t-w <width> Set width of the bar.\n"
"\t-s <height> Set height of the bar.\n"
"\t-o <offset> Set bar's offset from the left. 0 disables.\n"
"\t-f Force docking (use this if your WM isn't EWMH compliant)\n"
"\t-p Don't close after the data ends\n", argv[0]);
"\t-u <line> Choose between underline (1) or overline (0).\n"
"\t-t <thickness> Thickness of underline. 0 to disable.\n"
"\t-n <font> Font used. In the form of '-*-*...' etc.\n"
"\t-k <width> Set font fallback width.\n"
"\t-c <opacity> Requires a compositor. 0: Invisible, 1: Opaque.\n"
"\t-p Don't close after the data ends.\n", argv[0]);
exit (0);
case 'p': permanent = 1; break;
// very little error checking
case 'b': bar_bottom = 1; break;
case 'w': bar_width = atoi(optarg); break;
case 's': bar_height = atoi(optarg); break;
case 'o': bar_offset = atoi(optarg); break;
case 'f': force_docking = 1; break;
case 'u': bar_underline = atoi(optarg); break;
case 't': bar_underline_height = atoi(optarg); break;
case 'n': bar_font = optarg; break;
case 'k': bar_font_fallback_width = atoi(optarg); break;
case 'c': bar_opacity = atoi(optarg); break;
case 'p': permanent = 1; break;
}
}
@ -556,7 +601,7 @@ main (int argc, char **argv)
/* Get the fd to Xserver */
pollin[1].fd = xcb_get_file_descriptor (c);
xcb_fill_rect (clear_gc, 0, 0, bar_width, BAR_HEIGHT);
xcb_fill_rect (clear_gc, 0, 0, bar_width, bar_height);
for (;;) {
int redraw = 0;
@ -588,7 +633,7 @@ main (int argc, char **argv)
if (redraw) /* Copy our temporary pixmap onto the window */
for (screen_t* cur_screen = screens; cur_screen < screens + num_screens; cur_screen++)
xcb_copy_area (c, canvas, cur_screen->window, draw_gc, cur_screen->x, 0, 0, 0, cur_screen->width, BAR_HEIGHT);
xcb_copy_area (c, canvas, cur_screen->window, draw_gc, cur_screen->x, 0, 0, 0, cur_screen->width, bar_height);
xcb_flush (c);
}

17
config.def.h
View File

@ -1,20 +1,3 @@
/* The height of the bar (in pixels) */
#define BAR_HEIGHT 18
/* The width of the bar. Set to -1 to fit screen */
#define BAR_WIDTH -1
/* Offset from the left. Set to 0 to have no effect */
#define BAR_OFFSET 0
/* 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 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"
/* Some fonts don't set the right width for some chars, pheex it */
#define BAR_FONT_FALLBACK_WIDTH 6
/* Define the opacity of the bar (requires a compositor such as compton) */
#define BAR_OPACITY 1.0 /* 0 is invisible, 1 is opaque */
/* Color palette */
#define BACKGROUND 0x232c31