dunst/dunst.c
Sascha Kruse 2c84ecabdd fix typo in --version output
add a space between description and version
2013-01-26 00:01:19 +01:00

1915 lines
60 KiB
C

/* copyright 2013 Sascha Kruse and contributors (see LICENSE for licensing information) */
#define _GNU_SOURCE
#include <assert.h>
#include <unistd.h>
#include <time.h>
#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include <fnmatch.h>
#include <sys/time.h>
#include <regex.h>
#include <math.h>
#include <errno.h>
#include <signal.h>
#include <sys/wait.h>
#include <X11/Xlib.h>
#include <X11/XKBlib.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>
#ifdef XINERAMA
#include <X11/extensions/Xinerama.h>
#endif
#include <X11/extensions/scrnsaver.h>
#include <basedir.h>
#include <basedir_fs.h>
#include "dunst.h"
#include "draw.h"
#include "dunst_dbus.h"
#include "container.h"
#include "utils.h"
#include "options.h"
#define INRECT(x,y,rx,ry,rw,rh) ((x) >= (rx) && (x) < (rx)+(rw) && (y) >= (ry) && (y) < (ry)+(rh))
#define LENGTH(X) (sizeof X / sizeof X[0])
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#define MAX(a,b) ((a) > (b) ? (a) : (b))
#define BUTTONMASK (ButtonPressMask|ButtonReleaseMask)
#define FONT_HEIGHT_BORDER 2
#define DEFFONT "Monospace-11"
#ifndef VERSION
#define VERSION 0
#endif
#define MSG 1
#define INFO 2
#define DEBUG 3
/* global variables */
#include "config.h"
int height_limit;
rule_array rules;
/* index of colors fit to urgency level */
static ColorSet *colors[3];
static const char *color_strings[2][3];
static Atom utf8;
static DC *dc;
static Window win;
static time_t now;
static bool visible = false;
static screen_info scr;
static dimension_t geometry;
static XScreenSaverInfo *screensaver_info;
static int font_h;
static bool print_notifications = false;
static dimension_t window_dim;
static bool pause_display = false;
static char **dmenu_cmd;
static unsigned long framec;
static unsigned long sep_custom_col;
static r_line_cache line_cache;
bool dunst_grab_errored = false;
int next_notification_id = 1;
/* notification lists */
n_queue *queue = NULL; /* all new notifications get into here */
n_queue *displayed = NULL; /* currently displayed notifications */
n_stack *history = NULL; /* history of displayed notifications */
/* misc funtions */
void apply_rules(notification * n);
void check_timeouts(void);
char *fix_markup(char *str);
void handle_mouse_click(XEvent ev);
void handleXEvents(void);
void history_pop(void);
void initrule(rule_t *r);
bool is_idle(void);
void run(void);
void setup(void);
void update_screen_info();
void usage(int exit_status);
void draw_win(void);
void hide_win(void);
void move_all_to_history(void);
void print_version(void);
str_array *extract_urls(const char *str);
void context_menu(void);
void run_script(notification *n);
void r_line_cache_init(r_line_cache *c);
void r_line_cache_append(r_line_cache *c, const char *s, ColorSet *col, bool is_begin, bool is_end);
void r_line_cache_reset(r_line_cache *c);
void init_shortcut(keyboard_shortcut * shortcut);
KeySym string_to_mask(char *str);
str_array *extract_urls( const char * to_match)
{
static bool is_initialized = false;
static regex_t cregex;
if (!is_initialized) {
char *regex = "((http|ftp|https)(://))?(www\\.)?[[:alnum:]_-]+\\.[^[:space:]]+";
int ret = regcomp(&cregex, regex, REG_EXTENDED|REG_ICASE);
if (ret != 0) {
printf("failed to compile regex\n");
return NULL;
}
}
str_array *urls = str_array_malloc();
const char * p = to_match;
regmatch_t m;
while (1) {
int nomatch = regexec (&cregex, p, 1, &m, 0);
if (nomatch) {
return urls;
}
int start;
int finish;
if (m.rm_so == -1) {
break;
}
start = m.rm_so + (p - to_match);
finish = m.rm_eo + (p - to_match);
char *match = strndup(to_match+start, finish-start);
str_array_append(urls, match);
p += m.rm_eo;
}
return 0;
return urls;
}
void context_menu(void) {
char *dmenu_input = NULL;
n_queue *iter = displayed;
while (iter) {
for (int i = 0; i < iter->n->urls->count; i++) {
dmenu_input = string_append(dmenu_input,
(iter->n->urls->strs)[i], "\n");
}
iter = iter->next;
}
if (!dmenu_input)
return;
char buf[1024];
int child_io[2];
int parent_io[2];
if (pipe(child_io) != 0) {
PERR("pipe()", errno);
return;
}
if (pipe(parent_io) != 0) {
PERR("pipe()", errno);
return;
}
int pid = fork();
if (pid == 0) {
close(child_io[1]);
close(parent_io[0]);
close(0);
if (dup(child_io[0]) == -1) {
PERR("dup()", errno);
exit(EXIT_FAILURE);
}
close(1);
if (dup(parent_io[1]) == -1) {
PERR("dup()", errno);
exit(EXIT_FAILURE);
}
execvp(dmenu_cmd[0], dmenu_cmd);
} else {
close(child_io[0]);
close(parent_io[1]);
size_t wlen = strlen(dmenu_input);
if (write(child_io[1], dmenu_input, wlen) != wlen) {
PERR("write()", errno);
}
close(child_io[1]);
size_t len = read(parent_io[0], buf, 1023);
if (len == 0)
return;
buf[len - 1] = '\0';
int status;
waitpid(pid, &status, 0);
}
close(parent_io[0]);
int browser_pid1 = fork();
if (browser_pid1) {
int status;
waitpid(browser_pid1, &status, 0);
} else {
int browser_pid2 = fork();
if (browser_pid2) {
exit(0);
} else {
browser = string_append(browser, buf, " ");
char **cmd = string_to_argv(browser);
execvp(cmd[0], cmd);
}
}
}
void run_script(notification *n)
{
if (!n->script || strlen(n->script) < 1)
return;
char *appname = n->appname ? n->appname : "";
char *summary = n->summary ? n->summary : "";
char *body = n->body ? n->body : "";
char *icon = n->icon ? n->icon : "";
char *urgency;
switch (n->urgency) {
case LOW:
urgency = "LOW";
break;
case NORM:
urgency = "NORMAL";
break;
case CRIT:
urgency = "CRITICAL";
break;
default:
urgency = "NORMAL";
break;
}
int pid1 = fork();
if (pid1) {
int status;
waitpid(pid1, &status, 0);
} else {
int pid2 = fork();
if (pid2) {
exit(0);
} else {
int ret = execlp(n->script, n->script,
appname,
summary,
body,
icon,
urgency,
(char *) NULL
);
if (ret != 0) {
PERR("Unable to run script", errno);
exit(EXIT_FAILURE);
}
}
}
}
void pause_signal_handler(int sig)
{
if (sig == SIGUSR1) {
pause_display = true;
}
if (sig == SIGUSR2) {
pause_display = false;
}
signal (sig, pause_signal_handler);
}
static void print_notification(notification * n)
{
printf("{\n");
printf("\tappname: '%s'\n", n->appname);
printf("\tsummary: '%s'\n", n->summary);
printf("\tbody: '%s'\n", n->body);
printf("\ticon: '%s'\n", n->icon);
printf("\turgency: %d\n", n->urgency);
printf("\tformatted: '%s'\n", n->msg);
printf("\tid: %d\n", n->id);
printf("urls\n");
printf("\t{\n");
for (int i = 0; i < n->urls->count; i++) {
printf("\t\t%s\n", (n->urls->strs)[i]);
}
printf("\t}\n");
printf("\tscript: %s\n", n->script);
printf("}\n");
}
static int GrabXErrorHandler(Display * display, XErrorEvent * e)
{
dunst_grab_errored = true;
char err_buf[BUFSIZ];
XGetErrorText(display, e->error_code, err_buf, BUFSIZ);
fputs(err_buf, stderr);
fputs("\n", stderr);
if (e->error_code != BadAccess) {
exit(EXIT_FAILURE);
}
return 0;
}
static void setup_error_handler(void)
{
dunst_grab_errored = false;
XFlush(dc->dpy);
XSetErrorHandler(GrabXErrorHandler);
}
static int tear_down_error_handler(void)
{
XFlush(dc->dpy);
XSync(dc->dpy, false);
XSetErrorHandler(NULL);
return dunst_grab_errored;
}
int grab_key(keyboard_shortcut * ks)
{
if (!ks->is_valid)
return 1;
Window root;
root = RootWindow(dc->dpy, DefaultScreen(dc->dpy));
setup_error_handler();
if (ks->is_valid)
XGrabKey(dc->dpy, ks->code, ks->mask, root,
true, GrabModeAsync, GrabModeAsync);
if (tear_down_error_handler()) {
fprintf(stderr, "Unable to grab key \"%s\"\n", ks->str);
ks->is_valid = false;
return 1;
}
return 0;
}
void ungrab_key(keyboard_shortcut * ks)
{
Window root;
root = RootWindow(dc->dpy, DefaultScreen(dc->dpy));
if (ks->is_valid)
XUngrabKey(dc->dpy, ks->code, ks->mask, root);
}
void apply_rules(notification * n)
{
for (int i = 0; i < rules.count; i++) {
rule_t *r = &(rules.rules[i]);
if ((!r->appname || !fnmatch(r->appname, n->appname, 0))
&& (!r->summary || !fnmatch(r->summary, n->summary, 0))
&& (!r->body || !fnmatch(r->body, n->body, 0))
&& (!r->icon || !fnmatch(r->icon, n->icon, 0))) {
n->timeout = r->timeout != -1 ? r->timeout : n->timeout;
n->urgency = r->urgency != -1 ? r->urgency : n->urgency;
n->color_strings[ColFG] =
r->fg ? r->fg : n->color_strings[ColFG];
n->color_strings[ColBG] =
r->bg ? r->bg : n->color_strings[ColBG];
n->format = r->format ? r->format : n->format;
n->script = r->script ? r->script : n->script;
}
}
}
void check_timeouts(void)
{
/* nothing to do */
if (!displayed)
return;
for (n_queue *iter = displayed; iter; iter = iter->next) {
notification *n = iter->n;
/* don't timeout when user is idle */
if (is_idle()) {
n->start = now;
continue;
}
/* skip hidden and sticky messages */
if (n->start == 0 || n->timeout == 0) {
continue;
}
/* remove old message */
if (difftime(now, n->start) > n->timeout) {
/* close_notification may conflict with iter, so restart */
close_notification(n, 1);
check_timeouts();
return;
}
}
}
void update_lists()
{
int limit;
check_timeouts();
if (pause_display) {
while (displayed) {
notification *n = n_queue_dequeue(&displayed);
n_queue_enqueue(&queue, n);
}
return;
}
if (geometry.h == 0) {
limit = 0;
} else if (geometry.h == 1) {
limit = 1;
} else if (indicate_hidden) {
limit = geometry.h - 1;
} else {
limit = geometry.h;
}
/* move notifications from queue to displayed */
while (queue) {
if (limit > 0 && n_queue_len(&displayed) >= limit) {
/* the list is full */
break;
}
notification *n = n_queue_dequeue(&queue);
if (!n)
return;
n->start = now;
if (!n->redisplayed && n->script) {
run_script(n);
}
n_queue_enqueue(&displayed, n);
}
}
void r_line_cache_init(r_line_cache *c)
{
c->count = 0;
c->size = 0;
c->lines = NULL;
}
void r_line_cache_append(r_line_cache *c, const char *s, ColorSet *col, bool is_begin, bool is_end)
{
if (!c || !s)
return;
/* resize cache if it's too small */
if (c->count >= c->size) {
c->size++;
c->lines = realloc(c->lines, c->size * sizeof(r_line));
}
c->count++;
c->lines[c->count-1].colors = col;
c->lines[c->count-1].str = strdup(s);
c->lines[c->count-1].is_begin = is_begin;
c->lines[c->count-1].is_end = is_end;
}
void r_line_cache_reset(r_line_cache *c)
{
for (int i = 0; i < c->count; i++) {
if (c->lines[i].str)
free(c->lines[i].str);
c->lines[i].str = NULL;
c->lines[i].colors = NULL;
}
c->count = 0;
}
int do_word_wrap(char *source, int max_width)
{
rstrip(source);
if (!source || strlen(source) == 0)
return 0;
char *eol = source;
while (true) {
if (*eol == '\0')
return 1;
if (*eol == '\n') {
*eol = '\0';
return 1 + do_word_wrap(eol + 1, max_width);
}
if (word_wrap && max_width > 0) {
if (textnw(dc, source, (eol - source) + 1) >= max_width) {
/* go back to previous space */
char *space = eol;
while (space > source && !isspace(*space))
space--;
if (space <= source) {
/* whe have a word longer than width, so we
* split mid-word. That one letter is
* collateral damage */
space = eol;
}
*space = '\0';
if (*(space + 1) == '\0')
return 1;
return 1 + do_word_wrap(space + 1, max_width);
}
}
eol++;
}
}
void add_notification_to_line_cache(notification *n, int max_width)
{
rstrip(n->msg);
char *msg = n->msg;
while (isspace(*msg))
msg++;
char *buf;
/* print dup_count and msg*/
if (n->dup_count > 0) {
sasprintf(&buf, "(%d) %s", n->dup_count, msg);
} else {
buf = strdup(msg);
}
/* print age */
int hours, minutes, seconds;
time_t t_delta = now - n->timestamp;
if (show_age_threshold >= 0 && t_delta >= show_age_threshold) {
hours = t_delta / 3600;
minutes = t_delta / 60 % 60;
seconds = t_delta % 60;
char *new_buf;
if (hours > 0) {
sasprintf(&new_buf, "%s (%dh %dm %ds old)", buf, hours,
minutes, seconds);
} else if (minutes > 0) {
sasprintf(&new_buf, "%s (%dm %ds old)", buf, minutes,
seconds);
} else {
sasprintf(&new_buf, "%s (%ds old)", buf, seconds);
}
free(buf);
buf = new_buf;
}
int linecnt = do_word_wrap(buf, max_width);
n->line_count = linecnt;
char *cur = buf;
for (int i = 0; i < linecnt; i++) {
r_line_cache_append(&line_cache, cur, n->colors,i == 0, i == linecnt-1);
while (*cur != '\0')
cur++;
cur++;
}
free(buf);
}
int calculate_x_offset(int line_width, int text_width)
{
int leftover = line_width - text_width;
struct timeval t;
float pos;
/* If the text is wider than the frame, bouncing is enabled and word_wrap disabled */
if (line_width < text_width && bounce_freq > 0.0001 && !word_wrap) {
gettimeofday(&t, NULL);
pos =
((t.tv_sec % 100) * 1e6 + t.tv_usec) / (1e6 / bounce_freq);
return (1 + sinf(2 * 3.14159 * pos)) * leftover / 2;
}
switch (align) {
case left:
return frame_width + h_padding;
case center:
return frame_width + h_padding + (leftover / 2);
case right:
return frame_width + h_padding + leftover;
default:
/* this can't happen */
return 0;
}
}
unsigned long calculate_foreground_color(unsigned long source_color)
{
Colormap cmap = DefaultColormap(dc->dpy, DefaultScreen(dc->dpy));
XColor color;
color.pixel = source_color;
XQueryColor(dc->dpy, cmap, &color);
int c_delta = 10000;
/* do we need to darken or brighten the colors? */
int darken = (color.red + color.green + color.blue) / 3 > 65535 / 2;
if (darken) {
if (color.red - c_delta < 0)
color.red = 0;
else
color.red -= c_delta;
if (color.green - c_delta < 0)
color.green = 0;
else
color.green -= c_delta;
if (color.blue - c_delta < 0)
color.blue = 0;
else
color.blue -= c_delta;
} else {
if (color.red + c_delta > 65535)
color.red = 65535;
else
color.red += c_delta;
if (color.green + c_delta > 65535)
color.green = 65535;
else
color.green += c_delta;
if (color.blue + c_delta > 65535)
color.green = 65535;
else
color.green += c_delta;
}
color.pixel = 0;
XAllocColor(dc->dpy, cmap, &color);
return color.pixel;
}
int calculate_width(void)
{
if (geometry.mask & WidthValue && geometry.w == 0) {
/* dynamic width */
return 0;
} else if (geometry.mask & WidthValue) {
/* fixed width */
if (geometry.negative_width) {
return scr.dim.w - geometry.w;
} else {
return geometry.w;
}
} else {
/* across the screen */
return scr.dim.w;
}
}
void move_and_map(int width, int height)
{
int x,y;
/* calculate window position */
if (geometry.mask & XNegative) {
x = (scr.dim.x + (scr.dim.w - width)) + geometry.x;
} else {
x = scr.dim.x + geometry.x;
}
if (geometry.mask & YNegative) {
y = scr.dim.y + (scr.dim.h + geometry.y) - height;
} else {
y = scr.dim.y + geometry.y;
}
/* move and map window */
if (x != window_dim.x || y != window_dim.y
|| width != window_dim.w || height != window_dim.h) {
XResizeWindow(dc->dpy, win, width, height);
XMoveWindow(dc->dpy, win, x, y);
window_dim.x = x;
window_dim.y = y;
window_dim.h = height;
window_dim.w = width;
}
mapdc(dc, win, width, height);
}
void fill_line_cache(int width)
{
/* create cache with all lines */
for (n_queue *iter = displayed; iter; iter = iter->next) {
add_notification_to_line_cache(iter->n, width);
}
assert(line_cache.count > 0);
/* add (x more) */
int queue_cnt = n_queue_len(&queue);
if (indicate_hidden && queue_cnt > 0) {
if (geometry.h != 1) {
char *tmp;
sasprintf(&tmp, "(%d more)", queue_cnt);
ColorSet *last_colors =
line_cache.lines[line_cache.count-1].colors;
r_line_cache_append(&line_cache, tmp, last_colors, true, true);
free(tmp);
} else {
char *old = line_cache.lines[0].str;
char *new;
sasprintf(&new, "%s (%d more)", old, queue_cnt);
free(old);
line_cache.lines[0].str = new;
}
}
}
void draw_win(void)
{
r_line_cache_reset(&line_cache);
update_screen_info();
int outer_width = calculate_width();
line_height = MAX(line_height, font_h);
int width;
if (outer_width == 0)
width = 0;
else
width = outer_width - (2 * frame_width) - (2 * h_padding);
fill_line_cache(width);
/* if we have a dynamic width, calculate the actual width */
if (width == 0) {
for (int i = 0; i < line_cache.count; i++) {
char *line = line_cache.lines[i].str;
width = MAX(width, textw(dc, line));
}
outer_width = width + (2 * frame_width) + (2 * h_padding);
}
/* resize dc to correct width */
int height = (line_cache.count * line_height)
+ n_queue_len(&displayed) * 2 * padding
+ ((indicate_hidden && n_queue_len(&queue) > 0) ? 2 * padding : 0)
+ (separator_height * (n_queue_len(&displayed) - 1))
+ (2 * frame_width);
resizedc(dc, outer_width, height);
/* draw frame
* this draws a big box in the frame color which get filled with
* smaller boxes of the notification colors
*/
dc->y = 0;
dc->x = 0;
if (frame_width > 0) {
drawrect(dc, 0, 0, outer_width, height, true, framec);
}
dc->y = frame_width;
dc->x = frame_width;
for (int i = 0; i < line_cache.count; i++) {
dc->x = frame_width;
r_line line = line_cache.lines[i];
/* draw background */
int pad = 0;
pad += line.is_begin ? padding : 0;
pad += line.is_end ? padding : 0;
drawrect(dc, 0, 0, width + (2*h_padding), pad + line_height, true, line.colors->BG);
/* draw text */
dc->x = calculate_x_offset(width, textw(dc, line.str));
dc->y += ((line_height - font_h) / 2);
dc->y += line.is_begin ? padding : 0;
drawtextn(dc, line.str, strlen(line.str), line.colors);
dc->y += line_height - ((line_height - font_h) / 2);
dc->y += line.is_end ? padding : 0;
/* draw separator */
if (separator_height > 0 && i < line_cache.count - 1 && line.is_end) {
dc->x = frame_width;
double color;
if (sep_color == AUTO)
color = calculate_foreground_color(line.colors->BG);
else if (sep_color == FOREGROUND)
color = line.colors->FG;
else if (sep_color == FRAME)
color = framec;
else {
/* CUSTOM */
color = sep_custom_col;
}
drawrect(dc, 0, 0, width + (2*h_padding), separator_height, true, color);
dc->y += separator_height;
}
}
move_and_map(outer_width, height);
}
char
*fix_markup(char *str)
{
char *replace_buf, *start, *end;
if (str == NULL) {
return NULL;
}
str = string_replace_all("&quot;", "\"", str);
str = string_replace_all("&apos;", "'", str);
str = string_replace_all("&amp;", "&", str);
str = string_replace_all("&lt;", "<", str);
str = string_replace_all("&gt;", ">", str);
/* remove tags */
str = string_replace_all("<b>", "", str);
str = string_replace_all("</b>", "", str);
str = string_replace_all("<br>", " ", str);
str = string_replace_all("<br/>", " ", str);
str = string_replace_all("<br />", " ", str);
str = string_replace_all("<i>", "", str);
str = string_replace_all("</i>", "", str);
str = string_replace_all("<u>", "", str);
str = string_replace_all("</u>", "", str);
str = string_replace_all("</a>", "", str);
start = strstr(str, "<a href");
if (start != NULL) {
end = strstr(str, ">");
if (end != NULL) {
replace_buf = strndup(start, end - start + 1);
str = string_replace(replace_buf, "", str);
free(replace_buf);
}
}
start = strstr(str, "<img src");
if (start != NULL) {
end = strstr(str, "/>");
if (end != NULL) {
replace_buf = strndup(start, end - start + 2);
str = string_replace(replace_buf, "", str);
free(replace_buf);
}
}
return str;
}
void handle_mouse_click(XEvent ev)
{
if (ev.xbutton.button == Button3) {
move_all_to_history();
return;
}
if (ev.xbutton.button == Button1) {
int y = separator_height;
notification *n = NULL;
for (n_queue *iter = displayed; iter; iter = iter->next) {
n = iter->n;
int text_h = MAX(font_h, line_height) * n->line_count;
int padding = 2 * h_padding;
int height = text_h + padding;
if (ev.xbutton.y > y && ev.xbutton.y < y + height)
break;
else
y += height + separator_height;
}
if (n)
close_notification(n, 2);
}
}
void handleXEvents(void)
{
XEvent ev;
while (XPending(dc->dpy) > 0) {
XNextEvent(dc->dpy, &ev);
switch (ev.type) {
case Expose:
if (ev.xexpose.count == 0 && visible) {
draw_win();
mapdc(dc, win, scr.dim.w, font_h);
}
break;
case SelectionNotify:
if (ev.xselection.property == utf8)
break;
case VisibilityNotify:
if (ev.xvisibility.state != VisibilityUnobscured)
XRaiseWindow(dc->dpy, win);
break;
case ButtonPress:
if (ev.xbutton.window == win) {
handle_mouse_click(ev);
}
break;
case KeyPress:
if (close_ks.str
&& XLookupKeysym(&ev.xkey, 0) == close_ks.sym
&& close_ks.mask == ev.xkey.state) {
if (displayed) {
close_notification(displayed->n, 2);
}
}
if (history_ks.str
&& XLookupKeysym(&ev.xkey, 0) == history_ks.sym
&& history_ks.mask == ev.xkey.state) {
history_pop();
}
if (close_all_ks.str
&& XLookupKeysym(&ev.xkey, 0) == close_all_ks.sym
&& close_all_ks.mask == ev.xkey.state) {
move_all_to_history();
}
if (context_ks.str
&& XLookupKeysym(&ev.xkey, 0) == context_ks.sym
&& context_ks.mask == ev.xkey.state) {
context_menu();
}
}
}
}
void move_all_to_history()
{
while (displayed) {
close_notification(displayed->n, 2);
}
notification *n = n_queue_dequeue(&queue);
while (n) {
n_stack_push(&history, n);
n = n_queue_dequeue(&queue);
}
}
void history_pop(void)
{
if (!history)
return;
notification *n = n_stack_pop(&history);
n->redisplayed = true;
n->start = 0;
n->timeout = sticky_history ? 0 : n->timeout;
n_queue_enqueue(&queue, n);
if (!visible) {
map_win();
}
}
void free_notification(notification * n)
{
if (n == NULL)
return;
free(n->appname);
free(n->summary);
free(n->body);
free(n->icon);
free(n->msg);
free(n->dbus_client);
free(n);
}
int init_notification(notification * n, int id)
{
const char *fg = NULL;
const char *bg = NULL;
if (n == NULL)
return -1;
if (strcmp("DUNST_COMMAND_PAUSE", n->summary) == 0) {
pause_display = true;
return 0;
}
if (strcmp("DUNST_COMMAND_RESUME", n->summary) == 0) {
pause_display = false;
return 0;
}
n->script = NULL;
n->format = format;
apply_rules(n);
n->msg = string_replace("%a", n->appname, strdup(n->format));
n->msg = string_replace("%s", n->summary, n->msg);
if (n->icon) {
n->msg = string_replace("%I", basename(n->icon), n->msg);
n->msg = string_replace("%i", n->icon, n->msg);
}
n->msg = string_replace("%b", n->body, n->msg);
if (n->progress) {
char pg[10];
sprintf(pg, "[%3d%%]", n->progress - 1);
n->msg = string_replace("%p", pg, n->msg);
} else {
n->msg = string_replace("%p", "", n->msg);
}
n->msg = fix_markup(n->msg);
while (strstr(n->msg, "\\n") != NULL)
n->msg = string_replace("\\n", "\n", n->msg);
if (ignore_newline)
while (strstr(n->msg, "\n") != NULL)
n->msg = string_replace("\n", " ", n->msg);
n->msg = rstrip(n->msg);
n->dup_count = 0;
/* check if n is a duplicate */
for (n_queue *iter = queue; iter; iter = iter->next) {
notification *orig = iter->n;
if (strcmp(orig->appname, n->appname) == 0
&& strcmp(orig->msg, n->msg) == 0) {
orig->dup_count++;
free_notification(n);
return orig->id;
}
}
for (n_queue *iter = displayed; iter; iter = iter->next) {
notification *orig = iter->n;
if (strcmp(orig->appname, n->appname) == 0
&& strcmp(orig->msg, n->msg) == 0) {
orig->dup_count++;
orig->start = now;
free_notification(n);
return orig->id;
}
}
/* urgency > CRIT -> array out of range */
n->urgency = n->urgency > CRIT ? CRIT : n->urgency;
if (n->color_strings[ColFG]) {
fg = n->color_strings[ColFG];
} else {
fg = color_strings[ColFG][n->urgency];
}
if (n->color_strings[ColBG]) {
bg = n->color_strings[ColBG];
} else {
bg = color_strings[ColBG][n->urgency];
}
n->colors = initcolor(dc, fg, bg);
n->timeout = n->timeout == -1 ? timeouts[n->urgency] : n->timeout;
n->start = 0;
n->timestamp = now;
n->redisplayed = false;
if (id == 0) {
n->id = ++next_notification_id;
} else {
close_notification_by_id(id, -1);
n->id = id;
}
if (strlen(n->msg) == 0) {
close_notification(n, 2);
printf("skipping notification: %s %s\n", n->body, n->summary);
} else {
n_queue_enqueue(&queue, n);
}
char *tmp;
sasprintf(&tmp, "%s %s", n->summary, n->body);
n->urls = extract_urls(tmp);
free(tmp);
if (print_notifications)
print_notification(n);
return n->id;
}
/*
* reasons:
* -1 -> notification is a replacement, no NotificationClosed signal emitted
* 1 -> the notification expired
* 2 -> the notification was dismissed by the user_data
* 3 -> The notification was closed by a call to CloseNotification
*/
int close_notification_by_id(int id, int reason)
{
notification *target = NULL;
for (n_queue *iter = displayed; iter; iter = iter->next) {
notification *n = iter->n;
if (n->id == id) {
n_queue_remove(&displayed, n);
n_stack_push(&history, n);
target = n;
break;
}
}
for (n_queue *iter = queue; iter; iter = iter->next) {
notification *n = iter->n;
if (n->id == id) {
n_queue_remove(&queue, n);
n_stack_push(&history, n);
target = n;
break;
}
}
if (reason > 0 && reason < 4 && target != NULL) {
notificationClosed(target, reason);
}
return target == NULL;
}
int close_notification(notification * n, int reason)
{
if (n == NULL)
return -1;
return close_notification_by_id(n->id, reason);
}
KeySym string_to_mask(char *str)
{
if (!strcmp(str, "ctrl")) {
return ControlMask;
} else if (!strcmp(str, "mod4")) {
return Mod4Mask;
} else if (!strcmp(str, "mod3")) {
return Mod3Mask;
} else if (!strcmp(str, "mod2")) {
return Mod2Mask;
} else if (!strcmp(str, "mod1")) {
return Mod1Mask;
} else if (!strcmp(str, "shift")) {
return ShiftMask;
} else {
fprintf(stderr, "Warning: Unknown Modifier: %s\n", str);
return 0;
}
}
void init_shortcut(keyboard_shortcut * ks)
{
if (ks == NULL || ks->str == NULL)
return;
if (!strcmp(ks->str, "none") || (!strcmp(ks->str, ""))) {
ks->is_valid = false;
return;
}
char *str = strdup(ks->str);
char *str_begin = str;
if (str == NULL)
die("Unable to allocate memory", EXIT_FAILURE);
while (strstr(str, "+")) {
char *mod = str;
while (*str != '+')
str++;
*str = '\0';
str++;
rstrip(mod);
ks->mask = ks->mask | string_to_mask(mod);
}
rstrip(str);
ks->sym = XStringToKeysym(str);
/* find matching keycode for ks->sym */
int min_keysym, max_keysym;
XDisplayKeycodes(dc->dpy, &min_keysym, &max_keysym);
ks->code = NoSymbol;
for (int i = min_keysym; i <= max_keysym; i++) {
if (XkbKeycodeToKeysym(dc->dpy, i, 0, 0) == ks->sym
|| XkbKeycodeToKeysym(dc->dpy, i, 0, 1) == ks->sym) {
ks->code = i;
break;
}
}
if (ks->sym == NoSymbol || ks->code == NoSymbol) {
fprintf(stderr, "Warning: Unknown keyboard shortcut: %s\n",
ks->str);
ks->is_valid = false;
} else {
ks->is_valid = true;
}
free(str_begin);
}
void initrule(rule_t *r)
{
r->name = NULL;
r->appname = NULL;
r->summary = NULL;
r->body = NULL;
r->icon = NULL;
r->timeout = -1;
r->urgency = -1;
r->fg = NULL;
r->bg = NULL;
r->format = NULL;
}
bool is_idle(void)
{
XScreenSaverQueryInfo(dc->dpy, DefaultRootWindow(dc->dpy),
screensaver_info);
if (idle_threshold == 0) {
return false;
}
return screensaver_info->idle / 1000 > idle_threshold;
}
void run(void)
{
while (true) {
if (visible) {
dbus_poll(50);
} else {
dbus_poll(200);
}
now = time(&now);
/* move messages from notification_queue to displayed_notifications */
update_lists();
if (displayed) {
if (!visible) {
map_win();
} else {
draw_win();
}
} else {
if (visible) {
hide_win();
}
}
handleXEvents();
}
}
void hide_win()
{
ungrab_key(&close_ks);
ungrab_key(&close_all_ks);
ungrab_key(&context_ks);
XUngrabButton(dc->dpy, AnyButton, AnyModifier, win);
XUnmapWindow(dc->dpy, win);
XFlush(dc->dpy);
visible = false;
}
Window get_focused_window(void)
{
Window focused = 0;
Atom type;
int format;
unsigned long nitems, bytes_after;
unsigned char *prop_return = NULL;
Window root = RootWindow(dc->dpy, DefaultScreen(dc->dpy));
Atom netactivewindow =
XInternAtom(dc->dpy, "_NET_ACTIVE_WINDOW", false);
XGetWindowProperty(dc->dpy, root, netactivewindow, 0L,
sizeof(Window), false, XA_WINDOW,
&type, &format, &nitems, &bytes_after, &prop_return);
if (prop_return) {
focused = *(Window *) prop_return;
XFree(prop_return);
}
return focused;
}
#ifdef XINERAMA
int select_screen(XineramaScreenInfo * info, int info_len)
{
if (f_mode == FOLLOW_NONE) {
return scr.scr;
} else {
int x, y;
assert(f_mode == FOLLOW_MOUSE || f_mode == FOLLOW_KEYBOARD);
Window root = RootWindow(dc->dpy, DefaultScreen(dc->dpy));
if (f_mode == FOLLOW_MOUSE) {
int dummy;
unsigned int dummy_ui;
Window dummy_win;
XQueryPointer(dc->dpy, root, &dummy_win,
&dummy_win, &x, &y, &dummy,
&dummy, &dummy_ui);
}
if (f_mode == FOLLOW_KEYBOARD) {
Window focused = get_focused_window();
if (focused == 0) {
/* something went wrong. Fallback to default */
return scr.scr;
}
Window child_return;
XTranslateCoordinates(dc->dpy, focused, root,
0, 0, &x, &y, &child_return);
}
for (int i = 0; i < info_len; i++) {
if (INRECT(x, y, info[i].x_org,
info[i].y_org,
info[i].width, info[i].height)) {
return i;
}
}
/* something seems to be wrong. Fallback to default */
return scr.scr;
}
}
#endif
void update_screen_info()
{
#ifdef XINERAMA
int n;
XineramaScreenInfo *info;
if ((info = XineramaQueryScreens(dc->dpy, &n))) {
int screen = select_screen(info, n);
if (screen >= n) {
/* invalid monitor, fallback to default */
screen = 0;
}
scr.dim.x = info[screen].x_org;
scr.dim.y = info[screen].y_org;
scr.dim.h = info[screen].height;
scr.dim.w = info[screen].width;
XFree(info);
} else
#endif
{
scr.dim.x = 0;
scr.dim.y = 0;
scr.dim.w = DisplayWidth(dc->dpy, scr.scr);
scr.dim.h = DisplayHeight(dc->dpy, scr.scr);
}
}
void setup(void)
{
/* initialize dc, font, keyboard, colors */
dc = initdc();
initfont(dc, font);
init_shortcut(&close_ks);
init_shortcut(&close_all_ks);
init_shortcut(&history_ks);
init_shortcut(&context_ks);
grab_key(&close_ks);
ungrab_key(&close_ks);
grab_key(&close_all_ks);
ungrab_key(&close_all_ks);
grab_key(&history_ks);
ungrab_key(&history_ks);
grab_key(&context_ks);
ungrab_key(&context_ks);
colors[LOW] = initcolor(dc, lowfgcolor, lowbgcolor);
colors[NORM] = initcolor(dc, normfgcolor, normbgcolor);
colors[CRIT] = initcolor(dc, critfgcolor, critbgcolor);
color_strings[ColFG][LOW] = lowfgcolor;
color_strings[ColFG][NORM] = normfgcolor;
color_strings[ColFG][CRIT] = critfgcolor;
color_strings[ColBG][LOW] = lowbgcolor;
color_strings[ColBG][NORM] = normbgcolor;
color_strings[ColBG][CRIT] = critbgcolor;
framec = getcolor(dc, frame_color);
if (sep_color == CUSTOM) {
sep_custom_col = getcolor(dc, sep_custom_color_str);
} else {
sep_custom_col = 0;
}
/* parse and set geometry and monitor position */
if (geom[0] == '-') {
geometry.negative_width = true;
geom++;
} else {
geometry.negative_width = false;
}
geometry.mask = XParseGeometry(geom,
&geometry.x, &geometry.y,
&geometry.w, &geometry.h);
window_dim.x = 0;
window_dim.y = 0;
window_dim.w = 0;
window_dim.h = 0;
screensaver_info = XScreenSaverAllocInfo();
scr.scr = monitor;
if (scr.scr < 0) {
scr.scr = DefaultScreen(dc->dpy);
}
/* initialize window */
Window root;
XSetWindowAttributes wa;
root = RootWindow(dc->dpy, DefaultScreen(dc->dpy));
utf8 = XInternAtom(dc->dpy, "UTF8_STRING", false);
font_h = dc->font.height + FONT_HEIGHT_BORDER;
update_screen_info();
wa.override_redirect = true;
wa.background_pixmap = ParentRelative;
wa.event_mask =
ExposureMask | KeyPressMask | VisibilityChangeMask |
ButtonPressMask;
win =
XCreateWindow(dc->dpy, root, scr.dim.x, scr.dim.y, scr.dim.w,
font_h, 0, DefaultDepth(dc->dpy,
DefaultScreen(dc->dpy)),
CopyFromParent, DefaultVisual(dc->dpy,
DefaultScreen(dc->dpy)),
CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
transparency = transparency > 100 ? 100 : transparency;
setopacity(dc, win,
(unsigned long)((100 - transparency) * (0xffffffff / 100)));
grab_key(&history_ks);
}
void map_win(void)
{
/* window is already mapped or there's nothing to show */
if (visible || !displayed) {
return;
}
grab_key(&close_ks);
grab_key(&close_all_ks);
grab_key(&context_ks);
setup_error_handler();
XGrabButton(dc->dpy, AnyButton, AnyModifier, win, false,
BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
if (tear_down_error_handler()) {
fprintf(stderr, "Unable to grab mouse button(s)\n");
}
update_screen_info();
XMapRaised(dc->dpy, win);
draw_win();
XFlush(dc->dpy);
visible = true;
}
void parse_follow_mode(const char *mode)
{
if (strcmp(mode, "mouse") == 0)
f_mode = FOLLOW_MOUSE;
else if (strcmp(mode, "keyboard") == 0)
f_mode = FOLLOW_KEYBOARD;
else if (strcmp(mode, "none") == 0)
f_mode = FOLLOW_NONE;
else {
fprintf(stderr, "Warning: unknown follow mode: \"%s\"\n", mode);
f_mode = FOLLOW_NONE;
}
}
void load_options(char *cmdline_config_path)
{
#ifndef STATIC_CONFIG
xdgHandle xdg;
FILE *config_file = NULL;
xdgInitHandle(&xdg);
if (cmdline_config_path != NULL) {
config_file = fopen(cmdline_config_path, "r");
}
if (config_file == NULL) {
config_file = xdgConfigOpen("dunst/dunstrc", "r", &xdg);
}
if (config_file == NULL) {
/* Fall back to just "dunstrc", which was used before 2013-06-23
* (before v0.2). */
config_file = xdgConfigOpen("dunstrc", "r", &xdg);
if (config_file == NULL) {
puts("no dunstrc found -> skipping\n");
xdgWipeHandle(&xdg);
return;
}
}
load_ini_file(config_file);
#endif
font =
option_get_string("global", "font", "-fn", font,
"The font dunst should use.");
format =
option_get_string("global", "format", "-format", format,
"The format template for the notifictions");
sort =
option_get_bool("global", "sort", "-sort", sort,
"Sort notifications by urgency and date?");
indicate_hidden =
option_get_bool("global", "indicate_hidden", "-indicate_hidden",
indicate_hidden,
"Show how many notificaitons are hidden?");
word_wrap =
option_get_bool("global", "word_wrap", "-word_wrap", word_wrap,
"Truncating long lines or do word wrap");
ignore_newline =
option_get_bool("global", "ignore_newline", "-ignore_newline",
ignore_newline, "Ignore newline characters in notifications");
idle_threshold =
option_get_int("global", "idle_threshold", "-idle_threshold",
idle_threshold,
"Don't timeout notifications if user is longer idle than threshold");
monitor =
option_get_int("global", "monitor", "-mon", monitor,
"On which monitor should the notifications be displayed");
{
char *c =
option_get_string("global", "follow", "-follow", "",
"Follow mouse, keyboard or none?");
if (strlen(c) > 0) {
parse_follow_mode(c);
free(c);
}
}
geom =
option_get_string("global", "geometry", "-geom/-geometry", geom,
"Geometry for the window");
line_height =
option_get_int("global", "line_height", "-lh/-line_height",
line_height,
"Add additional padding above and beneath text");
bounce_freq =
option_get_double("global", "bounce_freq", "-bounce_freq",
bounce_freq,
"Make long text bounce from side to side");
{
char *c =
option_get_string("global", "alignment",
"-align/-alignment", "",
"Align notifications left/center/right");
if (strlen(c) > 0) {
if (strcmp(c, "left") == 0)
align = left;
else if (strcmp(c, "center") == 0)
align = center;
else if (strcmp(c, "right") == 0)
align = right;
else
fprintf(stderr,
"Warning: unknown allignment\n");
free(c);
}
}
show_age_threshold =
option_get_int("global", "show_age_threshold",
"-show_age_threshold", show_age_threshold,
"When should the age of the notification be displayed?");
sticky_history =
option_get_bool("global", "sticky_history", "-sticky_history",
sticky_history,
"Don't timeout notifications popped up from history");
separator_height =
option_get_int("global", "separator_height",
"-sep_height/-separator_height", separator_height,
"height of the separator line");
padding =
option_get_int("global", "padding", "-padding", padding,
"Padding between text and separator");
h_padding =
option_get_int("global", "horizontal_padding", "-horizontal_padding",
h_padding, "horizontal padding");
transparency =
option_get_int("global", "transparency", "-transparency",
transparency, "Transparency. range 0-100");
{
char *c =
option_get_string("global", "separator_color",
"-sep_color/-separator_color", "",
"Color of the separator line (or 'auto')");
if (strlen(c) > 0) {
if (strcmp(c, "auto") == 0)
sep_color = AUTO;
else if (strcmp(c, "foreground") == 0)
sep_color = FOREGROUND;
else if (strcmp(c, "frame") == 0)
sep_color = FRAME;
else {
sep_color = CUSTOM;
sep_custom_color_str = strdup(c);
}
free(c);
}
}
startup_notification = option_get_bool("global", "startup_notification",
"-startup_notification", false, "print notification on startup");
dmenu = option_get_string("global", "dmenu", "-dmenu", dmenu, "path to dmenu");
dmenu_cmd = string_to_argv(dmenu);
browser = option_get_string("global", "browser", "-browser", browser, "path to browser");
frame_width = option_get_int("frame", "width", "-frame_width", frame_width,
"Width of frame around window");
frame_color = option_get_string("frame", "color", "-frame_color",
frame_color, "Color of the frame around window");
lowbgcolor =
option_get_string("urgency_low", "background", "-lb", lowbgcolor,
"Background color for notifcations with low urgency");
lowfgcolor =
option_get_string("urgency_low", "foreground", "-lf", lowfgcolor,
"Foreground color for notifications with low urgency");
timeouts[LOW] =
option_get_int("urgency_low", "timeout", "-lto", timeouts[LOW],
"Timeout for notifications with low urgency");
normbgcolor =
option_get_string("urgency_normal", "background", "-nb",
normbgcolor,
"Background color for notifications with normal urgency");
normfgcolor =
option_get_string("urgency_normal", "foreground", "-nf",
normfgcolor,
"Foreground color for notifications with normal urgency");
timeouts[NORM] =
option_get_int("urgency_normal", "timeout", "-nto", timeouts[NORM],
"Timeout for notifications with normal urgency");
critbgcolor =
option_get_string("urgency_critical", "background", "-cb",
critbgcolor,
"Background color for notifications with critical urgency");
critfgcolor =
option_get_string("urgency_critical", "foreground", "-cf",
critfgcolor,
"Foreground color for notifications with ciritical urgency");
timeouts[CRIT] =
option_get_int("urgency_critical", "timeout", "-cto",
timeouts[CRIT],
"Timeout for notifications with critical urgency");
close_ks.str =
option_get_string("shortcuts", "close", "-key", close_ks.str,
"Shortcut for closing one notification");
close_all_ks.str =
option_get_string("shortcuts", "close_all", "-all_key",
close_all_ks.str,
"Shortcut for closing all notifications");
history_ks.str =
option_get_string("shortcuts", "history", "-history_key",
history_ks.str,
"Shortcut to pop the last notification from history");
context_ks.str =
option_get_string("shortcuts", "context", "-context_key",
context_ks.str,
"Shortcut for context menu");
print_notifications =
cmdline_get_bool("-print", false,
"Print notifications to cmdline (DEBUG)");
char *cur_section = NULL;
for (;;) {
cur_section = next_section(cur_section);
if (!cur_section)
break;
if (strcmp(cur_section, "global") == 0
|| strcmp(cur_section, "shortcuts") == 0
|| strcmp(cur_section, "urgency_low") == 0
|| strcmp(cur_section, "urgency_normal") == 0
|| strcmp(cur_section, "urgency_critical") == 0)
continue;
/* check for existing rule with same name */
rule_t *r = NULL;
for (int i = 0; i < rules.count; i++)
if (rules.rules[i].name &&
strcmp(rules.rules[i].name, cur_section) == 0)
r = &(rules.rules[i]);
if (r == NULL) {
rules.count++;
rules.rules = realloc(rules.rules,
rules.count * sizeof(rule_t));
r = &(rules.rules[rules.count-1]);
initrule(r);
}
r->name = strdup(cur_section);
r->appname = ini_get_string(cur_section, "appname", r->appname);
r->summary = ini_get_string(cur_section, "summary", r->summary);
r->body = ini_get_string(cur_section, "body", r->body);
r->icon = ini_get_string(cur_section, "icon", r->icon);
r->timeout = ini_get_int(cur_section, "timeout", r->timeout);
{
char *urg = ini_get_string(cur_section, "urgency", "");
if (strlen(urg) > 0) {
if (strcmp(urg, "low") == 0)
r->urgency = LOW;
else if (strcmp(urg, "normal") == 0)
r->urgency = NORM;
else if (strcmp(urg, "critical") == 0)
r->urgency = CRIT;
else
fprintf(stderr,
"unknown urgency: %s, ignoring\n",
urg);
free(urg);
}
}
r->fg = ini_get_string(cur_section, "foreground", r->fg);
r->bg = ini_get_string(cur_section, "background", r->bg);
r->format = ini_get_string(cur_section, "format", r->format);
r->script = ini_get_string(cur_section, "script", NULL);
}
#ifndef STATIC_CONFIG
fclose(config_file);
free_ini();
xdgWipeHandle(&xdg);
#endif
}
int main(int argc, char *argv[])
{
now = time(&now);
r_line_cache_init(&line_cache);
rules.count = LENGTH(default_rules);
rules.rules = calloc(rules.count, sizeof(rule_t));
memcpy(rules.rules, default_rules, sizeof(rule_t) * rules.count);
cmdline_load(argc, argv);
if (cmdline_get_bool("-v/-version", false, "Print version")
|| cmdline_get_bool("--version", false, "Print version")) {
print_version();
}
char *cmdline_config_path;
cmdline_config_path =
cmdline_get_string("-conf/-config", NULL,
"Path to configuration file");
load_options(cmdline_config_path);
if (cmdline_get_bool("-h/-help", false, "Print help")
|| cmdline_get_bool("--help", false, "Print help")) {
usage(EXIT_SUCCESS);
}
initdbus();
setup();
signal (SIGUSR1, pause_signal_handler);
signal (SIGUSR2, pause_signal_handler);
if (startup_notification) {
notification *n = malloc(sizeof (notification));
n->appname = "dunst";
n->summary = "startup";
n->body = "dunst is up and running";
n->progress = 0;
n->timeout = 10;
n->urgency = LOW;
n->icon = NULL;
n->msg = NULL;
n->dbus_client = NULL;
n->color_strings[0] = NULL;
n->color_strings[1] = NULL;
init_notification(n, 0);
}
run();
return 0;
}
void usage(int exit_status)
{
fputs("usage:\n", stderr);
char *us = cmdline_create_usage();
fputs(us, stderr);
fputs("\n", stderr);
exit(exit_status);
}
void print_version(void)
{
printf("Dunst - A customizable and lightweight notification-daemon %s\n",
VERSION);
exit(EXIT_SUCCESS);
}
/* vim: set ts=8 sw=8 tw=0: */