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Merge branch 'wip' into wip-monitor-opts

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Conflicts:
	bar.c
This commit is contained in:
John Vogel 2014-02-26 19:19:02 -05:00
commit e7d86b4a8b
2 changed files with 166 additions and 43 deletions
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8
README.pod
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@ -90,6 +90,12 @@ Set the text foreground color. The parameter I<color> can be I<-> or a color in
Set the text underline color. The parameter I<color> can be I<-> or a color in one of the formats mentioned before. The special value I<-> resets the color to the default one.
=item B<A>:I<command>:
Create a clickable area starting from the current position, when the area is clicked I<command> is executed. The area is closed when a B<A> token, not followed by : is encountered.
Eg. I<%{A:reboot:} Click here to reboot %{A}>
=item B<S>I<dir>
Change the monitor bar is rendering to. I<dir> can be either
@ -155,3 +161,5 @@ L<git repository|https://github.com/LemonBoy/bar>
Xinerama support was kindly contributed by Stebalien
RandR support was kindly contributed by jvvv
Clickable areas support was heavily based off u-ra contribution

201
bar.c
View File

@ -18,24 +18,34 @@
#define min(a,b) ((a) < (b) ? (a) : (b))
#define indexof(c,s) (strchr((s),(c))-(s))
#define MONITORS_MAX 32
#define N 10
typedef struct font_t {
xcb_font_t ptr;
uint32_t descent;
uint32_t height;
int descent, height;
uint16_t char_max;
uint16_t char_min;
xcb_charinfo_t *width_lut;
} font_t;
typedef struct monitor_t {
uint32_t x;
uint32_t width;
int x, width;
xcb_window_t window;
xcb_pixmap_t pixmap;
struct monitor_t *prev, *next;
} monitor_t;
typedef struct area_t {
int begin, end, align;
xcb_window_t window;
char *cmd;
} area_t;
typedef struct area_stack_t {
int pos;
area_t slot[N];
} area_stack_t;
enum {
ATTR_OVERL = (1<<0),
ATTR_UNDERL = (1<<1),
@ -56,7 +66,6 @@ enum {
static xcb_connection_t *c;
static xcb_screen_t *scr;
static xcb_drawable_t canvas;
static xcb_gcontext_t gc[GC_MAX];
static xcb_visualid_t visual;
static xcb_colormap_t colormap;
@ -70,39 +79,11 @@ static int bu = 1; /* Underline height */
static char *mfont, *afont;
static uint32_t fgc, bgc, ugc;
static uint32_t dfgc, dbgc;
static area_stack_t astack;
static uint32_t mons = 0;
static int nmons = 0;
static int monlist[MONITORS_MAX];
void
set_monitor (int n)
{
if (n >= MONITORS_MAX || n < 0) {
fprintf(stderr, "Invalic monitor specified: %d\n", n);
return;
}
mons |= 1 << n;
monlist[nmons++] = n;
}
int
get_monitor_pos (int n)
{
if (n < MONITORS_MAX && (mons & (1 << n)))
for (int i = 0; i < nmons; i++)
if (monlist[i] == n)
return i;
return -1;
}
int
get_monitor_at_pos (int n)
{
if (n < nmons)
return monlist[n];
return -1;
}
void
update_gc (void)
{
@ -130,7 +111,7 @@ draw_char (monitor_t *mon, font_t *cur_font, int x, int align, uint16_t ch)
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;
x = mon->width / 2 - ch_width / 2 + x / 2;
break;
case ALIGN_R:
xcb_copy_area(c, mon->pixmap, mon->pixmap, gc[GC_DRAW], mon->width - x, 0,
@ -220,6 +201,94 @@ set_attribute (const char modifier, const char attribute)
}
}
area_t *
area_get (xcb_window_t win, const int x)
{
for (int i = 0; i < astack.pos; i++)
if (astack.slot[i].window == win && x > astack.slot[i].begin && x < astack.slot[i].end)
return &astack.slot[i];
return NULL;
}
void
area_shift (xcb_window_t win, const int align, int delta)
{
if (align == ALIGN_L)
return;
if (align == ALIGN_C)
delta /= 2;
for (int i = 0; i < astack.pos; i++) {
if (astack.slot[i].window == win && astack.slot[i].align == align) {
astack.slot[i].begin -= delta;
astack.slot[i].end -= delta;
}
}
}
bool
area_add (char *str, const char *optend, char **end, monitor_t *mon, const int x, const int align)
{
char *p = str;
area_t *a = &astack.slot[astack.pos];
if (astack.pos == N) {
fprintf(stderr, "astack overflow!\n");
return false;
}
/* A wild close area tag appeared! */
if (*p != ':') {
*end = p;
/* Basic safety checks */
if (!a->cmd || a->align != align || a->window != mon->window)
return false;
const int size = x - a->begin;
switch (align) {
case ALIGN_L:
a->end = x;
break;
case ALIGN_C:
a->begin = mon->width / 2 - size / 2 + a->begin / 2;
a->end = a->begin + size;
break;
case ALIGN_R:
/* The newest is the rightmost one */
a->begin = mon->width - size;
a->end = mon->width;
break;
}
astack.pos++;
return true;
}
char *trail = strchr(++p, ':');
/* Find the trailing : and make sure it's whitin the formatting block, also reject empty commands */
if (!trail || p == trail || trail > optend) {
*end = p;
return false;
}
*trail = '\0';
/* This is a pointer to the string buffer allocated in the main */
a->cmd = p;
a->align = align;
a->begin = x;
a->window = mon->window;
*end = trail + 1;
return true;
}
void
parse (char *text)
{
@ -232,9 +301,10 @@ parse (char *text)
pos_x = 0;
align = ALIGN_L;
cur_font = main_font;
cur_mon = monhead;
memset(&astack, 0, sizeof(area_stack_t));
for (monitor_t *m = monhead; m; m = m->next)
fill_rect(m->pixmap, gc[GC_CLEAR], 0, 0, bw, bh);
@ -263,6 +333,10 @@ parse (char *text)
case 'c': pos_x = 0; align = ALIGN_C; break;
case 'r': pos_x = 0; align = ALIGN_R; break;
case 'A':
area_add(p, end, &p, cur_mon, pos_x, align);
break;
case 'B': bgc = parse_color(p, &p, dbgc); update_gc(); break;
case 'F': fgc = parse_color(p, &p, dfgc); update_gc(); break;
case 'U': ugc = parse_color(p, &p, dbgc); update_gc(); break;
@ -321,7 +395,10 @@ parse (char *text)
xcb_change_gc(c, gc[GC_DRAW] , XCB_GC_FONT, (const uint32_t []){ cur_font->ptr });
pos_x += draw_char(cur_mon, cur_font, pos_x, align, ucs);
int w = draw_char(cur_mon, cur_font, pos_x, align, ucs);
pos_x += w;
area_shift(cur_mon->window, align, w);
}
}
}
@ -429,7 +506,7 @@ monitor_new (int x, int y, int width, int height)
{
monitor_t *ret;
ret = malloc(sizeof(monitor_t));
ret = calloc(1, sizeof(monitor_t));
if (!ret) {
fprintf(stderr, "Failed to allocate new monitor\n");
exit(EXIT_FAILURE);
@ -447,7 +524,7 @@ monitor_new (int x, int y, int width, int height)
x, win_y, width, bh, 0,
XCB_WINDOW_CLASS_INPUT_OUTPUT, visual,
XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK | XCB_CW_COLORMAP,
(const uint32_t []){ bgc, bgc, dock, XCB_EVENT_MASK_EXPOSURE, colormap });
(const uint32_t []){ bgc, bgc, dock, XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_BUTTON_PRESS, colormap });
ret->pixmap = xcb_generate_id(c);
xcb_create_pixmap(c, depth, ret->pixmap, ret->window, width, bh);
@ -485,6 +562,35 @@ rect_sort_cb (const void *p1, const void *p2)
return 0;
}
void
set_monitor (int n)
{
if (n >= MONITORS_MAX || n < 0) {
fprintf(stderr, "Invalic monitor specified: %d\n", n);
return;
}
mons |= 1 << n;
monlist[nmons++] = n;
}
int
get_monitor_pos (int n)
{
if (n < MONITORS_MAX && (mons & (1 << n)))
for (int i = 0; i < nmons; i++)
if (monlist[i] == n)
return i;
return -1;
}
int
get_monitor_at_pos (int n)
{
if (n < nmons)
return monlist[n];
return -1;
}
void
monitor_create_chain (xcb_rectangle_t *rects, const int num)
{
@ -548,7 +654,6 @@ monitor_create_chain (xcb_rectangle_t *rects, const int num)
void
get_randr_monitors (void)
{
xcb_generic_error_t *err;
xcb_randr_get_screen_resources_current_reply_t *rres_reply;
xcb_randr_output_t *outputs;
int i, j, num, valid = 0;
@ -653,7 +758,7 @@ get_xinerama_monitors (void)
{
xcb_xinerama_query_screens_reply_t *xqs_reply;
xcb_xinerama_screen_info_iterator_t iter;
int screens, width = bw;
int screens;
xqs_reply = xcb_xinerama_query_screens_reply(c,
xcb_xinerama_query_screens_unchecked(c), NULL);
@ -952,6 +1057,7 @@ main (int argc, char **argv)
};
xcb_generic_event_t *ev;
xcb_expose_event_t *expose_ev;
xcb_button_press_event_t *press_ev;
char input[2048] = {0, };
bool permanent = false;
int geom_v[4] = { -1, -1, 0, 0 };
@ -1029,8 +1135,17 @@ main (int argc, char **argv)
switch (ev->response_type & 0x7F) {
case XCB_EXPOSE:
if (expose_ev->count == 0) redraw = true;
break;
if (expose_ev->count == 0)
redraw = true;
break;
case XCB_BUTTON_PRESS:
press_ev = (xcb_button_press_event_t *)ev;
/* Respond to left click */
if (press_ev->detail == XCB_BUTTON_INDEX_1) {
area_t *a = area_get(press_ev->event, press_ev->event_x);
if (a) system(a->cmd);
}
break;
}
free(ev);