dunst/dunst.c
2012-12-05 20:16:33 +01:00

1745 lines
56 KiB
C

/* copyright 2012 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 <math.h>
#include <getopt.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 "list.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;
list *rules = NULL;
/* 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;
bool dunst_grab_errored = false;
int next_notification_id = 1;
bool deprecated_mod = false;
bool deprecated_dunstrc_shortcuts = false;
/* notification lists */
list *notification_queue = NULL; /* all new notifications get into here */
list *displayed_notifications = NULL; /* currently displayed notifications */
list *notification_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);
rule_t *initrule(void);
bool is_idle(void);
void run(void);
void setup(void);
void update_screen_info();
void usage(int exit_status);
l_node *most_important(list * l);
void draw_win(void);
void hide_win(void);
void move_all_to_history(void);
void print_version(void);
/* show warning notification */
void warn(const char *text, int urg);
void init_shortcut(keyboard_shortcut * shortcut);
KeySym string_to_mask(char *str);
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("}\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 warn(const char *text, int urg)
{
notification *n = malloc(sizeof(notification));
if (n == NULL)
die("Unable to allocate memory", EXIT_FAILURE);
n->appname = strdup("dunst");
n->summary = strdup(text);
if (n->summary == NULL)
die("Unable to allocate memory", EXIT_FAILURE);
n->body = strdup("");
n->icon = strdup("");
n->timeout = 0;
n->urgency = urg;
n->progress = 0;
n->dbus_client = NULL;
n->color_strings[ColFG] = NULL;
n->color_strings[ColBG] = NULL;
init_notification(n, 0);
map_win();
}
int cmp_notification(void *a, void *b)
{
if (a == NULL && b == NULL)
return 0;
else if (a == NULL)
return -1;
else if (b == NULL)
return 1;
notification *na = (notification *) a;
notification *nb = (notification *) b;
if (na->urgency != nb->urgency) {
return na->urgency - nb->urgency;
} else {
return nb->timestamp - na->timestamp;
}
}
l_node *most_important(list * l)
{
if (l == NULL || l_is_empty(l)) {
return NULL;
}
if (sort) {
notification *max;
l_node *node_max;
notification *data;
max = l->head->data;
node_max = l->head;
for (l_node * iter = l->head; iter; iter = iter->next) {
data = (notification *) iter->data;
if (cmp_notification(max, data) < 0) {
max = data;
node_max = iter;
}
}
return node_max;
} else {
return l->head;
}
}
void apply_rules(notification * n)
{
if (l_is_empty(rules) || n == NULL) {
return;
}
for (l_node * iter = rules->head; iter; iter = iter->next) {
rule_t *r = (rule_t *) iter->data;
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;
}
}
}
void check_timeouts(void)
{
l_node *iter;
notification *current;
l_node *next;
/* nothing to do */
if (l_is_empty(displayed_notifications)) {
return;
}
iter = displayed_notifications->head;
while (iter != NULL) {
current = (notification *) iter->data;
/* don't timeout when user is idle */
if (is_idle()) {
current->start = now;
iter = iter->next;
continue;
}
/* skip hidden and sticky messages */
if (current->start == 0 || current->timeout == 0) {
iter = iter->next;
continue;
}
/* remove old message */
if (difftime(now, current->start) > current->timeout) {
/* l_move changes iter->next, so we need to store it beforehand */
next = iter->next;
close_notification(current, 1);
iter = next;
continue;
} else {
iter = iter->next;
}
}
}
void update_lists()
{
l_node *to_move;
notification *n;
int limit;
check_timeouts();
if (pause_display) {
while (!l_is_empty(displayed_notifications)) {
l_move(displayed_notifications, notification_queue, displayed_notifications->head);
}
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 (!l_is_empty(notification_queue)) {
if (limit > 0 && l_length(displayed_notifications) >= limit) {
/* the list is full */
break;
}
to_move = most_important(notification_queue);
if (!to_move) {
return;
}
n = (notification *) to_move->data;
if (!n)
return;
n->start = now;
/* TODO get notifications pushed back into
* notification_queue if there's a more important
* message waiting there
*/
l_move(notification_queue, displayed_notifications, to_move);
l_sort(displayed_notifications, cmp_notification);
}
}
/* TODO get draw_txt_buf as argument */
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 (*eol == '\\' && *(eol + 1) == 'n') {
*eol = ' ';
*(eol + 1) = '\0';
return 1 + do_word_wrap(eol + 2, 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 update_draw_txt_buf(notification * n, int max_width)
{
rstrip(n->msg);
char *msg = n->msg;
while (isspace(*msg))
msg++;
if (n->draw_txt_buf.txt)
free(n->draw_txt_buf.txt);
char *buf;
/* print dup_count */
if (n->dup_count > 0) {
asprintf(&buf, "(%d)", n->dup_count);
} else {
buf = strdup("");
}
/* print msg */
{
char *new_buf;
asprintf(&new_buf, "%s %s", buf, msg);
free(buf);
buf = new_buf;
}
/* 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) {
asprintf(&new_buf, "%s (%dh %dm %ds old)", buf, hours,
minutes, seconds);
} else if (minutes > 0) {
asprintf(&new_buf, "%s (%dm %ds old)", buf, minutes,
seconds);
} else {
asprintf(&new_buf, "%s (%ds old)", buf, seconds);
}
free(buf);
buf = new_buf;
}
n->draw_txt_buf.line_count = do_word_wrap(buf, max_width);
n->draw_txt_buf.txt = buf;
}
char *draw_txt_get_line(draw_txt * dt, int line)
{
if (line > dt->line_count) {
return NULL;
}
char *begin = dt->txt;
for (int i = 1; i < line; i++) {
begin += strlen(begin) + 1;
}
return begin;
}
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 0;
case center:
return leftover / 2;
case right:
return 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;
}
void draw_win(void)
{
int width, x, y, height;
line_height = MAX(line_height, font_h);
update_screen_info();
/* calculate width */
if (geometry.mask & WidthValue && geometry.w == 0) {
/* dynamic width */
width = 0;
} else if (geometry.mask & WidthValue) {
/* fixed width */
if (geometry.negative_width) {
width = scr.dim.w - geometry.w;
} else {
width = geometry.w;
}
} else {
/* across the screen */
width = scr.dim.w;
}
/* update draw_txt_bufs and line_cnt */
int line_cnt = 0;
for (l_node * iter = displayed_notifications->head; iter;
iter = iter->next) {
notification *n = (notification *) iter->data;
update_draw_txt_buf(n, width);
line_cnt += n->draw_txt_buf.line_count;
}
/* calculate height */
if (geometry.h == 0) {
height = line_cnt * line_height;
} else {
height = MAX(geometry.h, (line_cnt * line_height));
}
height += (l_length(displayed_notifications) - 1) * separator_height;
/* add "(x more)" */
draw_txt x_more;
x_more.txt = NULL;
char *print_to;
int more = l_length(notification_queue);
if (indicate_hidden && more > 0) {
int x_more_len = strlen(" ( more) ") + digit_count(more);
if (geometry.h != 1) {
/* add additional line */
x_more.txt = calloc(x_more_len, sizeof(char));
height += line_height;
line_cnt++;
print_to = x_more.txt;
} else {
/* append "(x more)" message to notification text */
notification *n =
(notification *) displayed_notifications->head->
data;
print_to =
draw_txt_get_line(&n->draw_txt_buf,
n->draw_txt_buf.line_count);
for (; *print_to != '\0'; print_to++) ;
}
snprintf(print_to, x_more_len, "(%d more)", more);
}
/* if we have a dynamic width, calculate the actual width */
if (width == 0) {
for (l_node * iter = displayed_notifications->head; iter;
iter = iter->next) {
notification *n = (notification *) iter->data;
for (int i = 0; i < n->draw_txt_buf.line_count; i++) {
char *line =
draw_txt_get_line(&n->draw_txt_buf, i + 1);
assert(line != NULL);
width = MAX(width, textw(dc, line));
}
}
}
assert(line_height > 0);
assert(font_h > 0);
assert(width > 0);
assert(height > 0);
assert(line_cnt > 0);
resizedc(dc, width, height);
/* draw buffers */
dc->y = 0;
ColorSet *last_color;
assert(displayed_notifications->head != NULL);
for (l_node * iter = displayed_notifications->head; iter;
iter = iter->next) {
notification *n = (notification *) iter->data;
last_color = n->colors;
for (int i = 0; i < n->draw_txt_buf.line_count; i++) {
char *line = draw_txt_get_line(&n->draw_txt_buf, i + 1);
dc->x = 0;
drawrect(dc, 0, 0, width, line_height, true,
n->colors->BG);
dc->x = calculate_x_offset(width, textw(dc, line));
dc->y += (line_height - font_h) / 2;
drawtextn(dc, line, strlen(line), n->colors);
dc->y += line_height - ((line_height - font_h) / 2);
}
/* draw separator */
if (separator_height > 0) {
dc->x = 0;
double color;
if (sep_color == AUTO)
color =
calculate_foreground_color(n->colors->BG);
else
color = n->colors->FG;
drawrect(dc, 0, 0, width, separator_height, true,
color);
dc->y += separator_height;
}
}
/* draw x_more */
if (x_more.txt) {
dc->x = 0;
drawrect(dc, 0, 0, width, line_height, true, last_color->BG);
dc->x = calculate_x_offset(width, textw(dc, x_more.txt));
drawtext(dc, x_more.txt, last_color);
}
/* 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);
free(x_more.txt);
}
char
*fix_markup(char *str)
{
char *replace_buf, *start, *end;
if (str == NULL) {
return NULL;
}
str = string_replace("&quot;", "\"", str);
str = string_replace("&apos;", "'", str);
str = string_replace("&amp;", "&", str);
str = string_replace("&lt;", "<", str);
str = string_replace("&gt;", ">", str);
str = string_replace("\n", " ", str);
/* remove tags */
str = string_replace("<b>", "", str);
str = string_replace("</b>", "", str);
str = string_replace("<br>", " ", str);
str = string_replace("<br/>", " ", str);
str = string_replace("<br />", " ", str);
str = string_replace("<i>", "", str);
str = string_replace("</i>", "", str);
str = string_replace("<u>", "", str);
str = string_replace("</u>", "", str);
str = string_replace("</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 = 0;
notification *n;
l_node *iter = displayed_notifications->head;
assert(iter);
for (; iter; iter = iter->next) {
n = (notification *) iter->data;
int height = font_h * n->draw_txt_buf.line_count;
if (ev.xbutton.y > y && ev.xbutton.y < y + height)
break;
else
y += height;
}
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 (!l_is_empty(displayed_notifications)) {
notification *n = (notification *)
displayed_notifications->head->data;
close_notification(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();
}
}
}
}
void move_all_to_history()
{
l_node *node;
notification *n;
while (!l_is_empty(displayed_notifications)) {
node = displayed_notifications->head;
n = (notification *) node->data;
close_notification(n, 2);
}
while (!l_is_empty(notification_queue)) {
node = notification_queue->head;
n = (notification *) node->data;
close_notification(n, 2);
}
}
void history_pop(void)
{
l_node *iter;
notification *data;
/* nothing to do */
if (l_is_empty(notification_history)) {
return;
}
for (iter = notification_history->head; iter->next; iter = iter->next) ;
data = (notification *) iter->data;
data->redisplayed = true;
data->start = 0;
if (sticky_history) {
data->timeout = 0;
}
l_move(notification_history, notification_queue, iter);
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->format = format;
apply_rules(n);
n->msg = string_replace("%a", n->appname, strdup(n->format));
n->msg = string_replace("%s", n->summary, n->msg);
n->msg = string_replace("%i", n->icon, n->msg);
n->msg = string_replace("%I", basename(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);
n->dup_count = 0;
n->draw_txt_buf.txt = NULL;
/* check if n is a duplicate */
for (l_node * iter = notification_queue->head; iter; iter = iter->next) {
notification *orig = (notification *) iter->data;
if (strcmp(orig->appname, n->appname) == 0
&& strcmp(orig->msg, n->msg) == 0) {
orig->dup_count++;
free_notification(n);
return orig->id;
}
}
for (l_node * iter = displayed_notifications->head; iter;
iter = iter->next) {
notification *orig = (notification *) iter->data;
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 {
l_push(notification_queue, n);
}
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)
{
l_node *iter;
notification *target = NULL;
for (iter = displayed_notifications->head; iter; iter = iter->next) {
notification *n = (notification *) iter->data;
if (n->id == id) {
l_move(displayed_notifications, notification_history,
iter);
target = n;
break;
}
}
for (iter = notification_queue->head; iter; iter = iter->next) {
notification *n = (notification *) iter->data;
if (n->id == id) {
l_move(notification_queue, notification_history, iter);
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);
}
rule_t *initrule(void)
{
rule_t *r = malloc(sizeof(rule_t));
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;
return r;
}
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 (l_length(displayed_notifications) > 0) {
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);
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);
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);
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;
/* 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 || l_is_empty(displayed_notifications)) {
return;
}
grab_key(&close_ks);
grab_key(&close_all_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;
}
}
static rule_t *dunst_rules_find_or_create(const char *section)
{
l_node *iter;
rule_t *rule;
/* find rule */
for (iter = rules->head; iter; iter = iter->next) {
rule_t *r = (rule_t *) iter->data;
if (strcmp(r->name, section) == 0) {
return r;
}
}
rule = initrule();
rule->name = strdup(section);
l_push(rules, rule);
return rule;
}
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 2012-06-23
* (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");
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");
{
char *c = option_get_string("global", "modifier", NULL, "", "");
if (strlen(c) > 0) {
deprecated_dunstrc_shortcuts = true;
KeySym mod = string_to_mask(c);
close_ks.mask = mod;
close_all_ks.mask = mod;
close_all_ks.mask = mod;
free(c);
}
}
close_ks.str =
option_get_string("global", "key", NULL, close_ks.str, "");
close_all_ks.str =
option_get_string("global", "all_key", NULL, close_all_ks.str, "");
history_ks.str =
option_get_string("global", "history_key", NULL, history_ks.str,
"");
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");
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
fprintf(stderr,
"Warning: Unknown separator color\n");
free(c);
}
}
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");
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;
rule_t *current_rule = dunst_rules_find_or_create(cur_section);
current_rule->appname =
ini_get_string(cur_section, "appname",
current_rule->appname);
current_rule->summary =
ini_get_string(cur_section, "summary",
current_rule->summary);
current_rule->body =
ini_get_string(cur_section, "body", current_rule->body);
current_rule->icon =
ini_get_string(cur_section, "icon", current_rule->icon);
current_rule->timeout =
ini_get_int(cur_section, "timeout", current_rule->timeout);
{
char *urg = ini_get_string(cur_section, "urgency", "");
if (strlen(urg) > 0) {
if (strcmp(urg, "low") == 0)
current_rule->urgency = LOW;
else if (strcmp(urg, "normal") == 0)
current_rule->urgency = NORM;
else if (strcmp(urg, "critical") == 0)
current_rule->urgency = CRIT;
else
fprintf(stderr,
"unknown urgency: %s, ignoring\n",
urg);
free(urg);
}
}
current_rule->fg =
ini_get_string(cur_section, "foreground", current_rule->fg);
current_rule->bg =
ini_get_string(cur_section, "background", current_rule->bg);
current_rule->format =
ini_get_string(cur_section, "format", current_rule->format);
}
#ifndef STATIC_CONFIG
fclose(config_file);
free_ini();
xdgWipeHandle(&xdg);
#endif
}
int main(int argc, char *argv[])
{
now = time(&now);
notification_queue = l_init();
notification_history = l_init();
displayed_notifications = l_init();
rules = l_init();
for (int i = 0; i < LENGTH(default_rules); i++) {
l_push(rules, &default_rules[i]);
}
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();
if (deprecated_mod)
warn("-mod is deprecated. Use \"-key mod+key\" instead\n",
CRIT);
if (deprecated_dunstrc_shortcuts)
warn("You are using deprecated settings. Please update your dunstrc. SEE [shortcuts]", CRIT);
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 dmenu-ish notification-daemon, version: %s\n",
VERSION);
exit(EXIT_SUCCESS);
}
/* vim: set ts=8 sw=8 tw=0: */