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5 changed files with 175 additions and 210 deletions

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.gitignore vendored
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herbe herbe
config.h config.h
.ccls-cache .ccls-cache
*.~undo-tree~

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CFLAGS = -Wall -Wextra -pedantic -I/usr/X11R6/include -L/usr/X11R6/lib -lX11 -lXft -I/usr/X11R6/include/freetype2 -pthread CFLAGS = -Wall -Wextra -pedantic -lX11 -lXft -I/usr/include/freetype2 -pthread
PREFIX ?= /usr/local PREFIX ?= /usr/local
CC ?= cc CC ?= cc
compile: all: herbe
config.h: config.def.h
cp config.def.h config.h cp config.def.h config.h
herbe: herbe.c config.h
$(CC) herbe.c $(CFLAGS) -o herbe $(CC) herbe.c $(CFLAGS) -o herbe
install: compile install: herbe
mkdir -p ~/bin mkdir -p ${DESTDIR}${PREFIX}/bin
cp -f herbe ~/bin cp -f herbe ${DESTDIR}${PREFIX}/bin
chmod +x ~/bin/herbe
uninstall: uninstall:
rm -f ~/bin/herbe rm -f ${DESTDIR}${PREFIX}/bin/herbe
.PHONY: compile install uninstall clean:
rm -f herbe
.PHONY: all install uninstall clean

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<img src="https://user-images.githubusercontent.com/24730635/90975811-cd62fd00-e537-11ea-9169-92e68a71d0a0.gif" /> <img src="https://user-images.githubusercontent.com/24730635/90975811-cd62fd00-e537-11ea-9169-92e68a71d0a0.gif" />
</p> </p>
## Features
* Under 200 lines of code
* Doesn't run in the background, just displays the notification and exits
* No external dependencies except Xlib and Xft
* Configurable through `config.h` or Xresources ([using this patch](https://github.com/dudik/herbe/pull/11))
* [Actions support](#actions)
* Extensible through [patches](https://github.com/dudik/herbe/pulls?q=is%3Aopen+is%3Apr+label%3Apatch)
## Table of contents
* [Usage](#usage)
* [Patches](#patches)
* [Dismiss a notification](#dismiss-a-notification)
* [Actions](#actions)
* [Newlines](#newlines)
* [Multiple notifications](#multiple-notifications)
* [Notifications don't show up](#notifications-dont-show-up)
* [Installation](#installation)
* [Packages](#packages)
* [Dependencies](#dependencies)
* [Build](#build)
* [Configuration](#configuration)
* [Contribute](#contribute)
## Usage ## Usage
### Patches * [Dismiss a notification](#dismiss-a-notification)
[List of available patches](https://github.com/dudik/herbe/pulls?q=is%3Aopen+is%3Apr+label%3Apatch) * [Actions](#actions)
* [Newlines](#newlines)
To create a new patch you'll have to open a pull request with your changes. Append `.diff` to the pull request URL to get a downloadable diff file. Don't forget to prefix the title with `patch:` and to apply the `patch` label to it. For inspiration, look at [my Xresources patch](https://github.com/dudik/herbe/pull/11). Thank you. * [Multiple notifications](#multiple-notifications)
* [Notifications don't show up](#notifications-dont-show-up)
_Note: This patching method was heavily inspired by [dylan's sowm](https://github.com/dylanaraps/sowm)._
### Dismiss a notification ### Dismiss a notification
A notification can be dismissed either by clicking on it with `DISMISS_BUTTON` (set in config.h, defaults to left mouse button) or sending a `SIGUSR1` signal to it: A notification can be dismissed either by clicking on it with `DISMISS_BUTTON` (set in config.h, defaults to left mouse button) or sending a `SIGUSR1` signal to it:
@ -96,20 +71,10 @@ $ pkill -SIGUSR2 herbe
And you should be fine. That's all you really need to interact with `herbe`. And you should be fine. That's all you really need to interact with `herbe`.
## Installation ## Installation
### Packages
[![Packaging status](https://repology.org/badge/vertical-allrepos/herbe.svg)](https://repology.org/project/herbe/versions)
[OpenBSD patch](https://github.com/dudik/herbe/pull/4)
[FreeBSD patch](https://github.com/dudik/herbe/pull/16)
[Wayland port](https://github.com/muevoid/Wayherb) by [muevoid](https://github.com/muevoid)
**Only the [herbe-git AUR package](https://aur.archlinux.org/packages/herbe-git/) is maintained by me.**
### Dependencies ### Dependencies
* X11 (Xlib) * X11 (Xlib)
* Xft * Xft
* freetype2
The names of packages are different depending on which distribution you use. The names of packages are different depending on which distribution you use.
For example, if you use [Void Linux](https://voidlinux.org/) you will have to install these dependencies: For example, if you use [Void Linux](https://voidlinux.org/) you will have to install these dependencies:
@ -130,10 +95,5 @@ You can also use `make clean` to remove the binary from the build folder, `sudo
## Configuration ## Configuration
herbe is configured at compile-time by editing `config.h`. Every option should be self-explanatory. There is no `height` option because height is determined by font size and text padding. herbe is configured at compile-time by editing `config.h`. Every option should be self-explanatory. There is no `height` option because height is determined by font size and text padding.
[Xresources patch](https://github.com/dudik/herbe/pull/11)
## Contribute ## Contribute
If you want to report a bug or you have a feature request, feel free to [open an issue](https://github.com/dudik/herbe/issues). If you want to report a bug or you have a feature request, feel free to [open an issue](https://github.com/dudik/herbe/issues).
## Projects with herbe integration
- [qutebrowser](https://qutebrowser.org/) supports showing web notifications via herbe, via the `content.notifications.presenter` setting.

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static const char *background_color = "#282828"; static const char *background_color = "#3e3e3e";
static const char *border_color = "#d65d0e"; static const char *border_color = "#ececec";
static const char *font_color = "#d65d0e"; static const char *font_color = "#ececec";
static const char *font_pattern = "Hack:pixelsize=12:antialias=true:autohint=true"; static const char *font_pattern = "monospace:size=10";
static const unsigned line_spacing = 5; static const unsigned line_spacing = 5;
static const unsigned int padding = 15; static const unsigned int padding = 15;
static const unsigned int width = 450; static const unsigned int width = 450;
static const unsigned int border_size = 1; static const unsigned int border_size = 2;
static const unsigned int pos_x = 20; static const unsigned int pos_x = 30;
static const unsigned int pos_y = 20; static const unsigned int pos_y = 60;
enum corners { TOP_LEFT, TOP_RIGHT, BOTTOM_LEFT, BOTTOM_RIGHT }; enum corners { TOP_LEFT, TOP_RIGHT, BOTTOM_LEFT, BOTTOM_RIGHT };
enum corners corner = TOP_RIGHT; enum corners corner = TOP_RIGHT;

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herbe.c
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@ -21,200 +21,200 @@ int exit_code = EXIT_DISMISS;
static void die(const char *format, ...) static void die(const char *format, ...)
{ {
va_list ap; va_list ap;
va_start(ap, format); va_start(ap, format);
vfprintf(stderr, format, ap); vfprintf(stderr, format, ap);
fprintf(stderr, "\n"); fprintf(stderr, "\n");
va_end(ap); va_end(ap);
exit(EXIT_FAIL); exit(EXIT_FAIL);
} }
int get_max_len(char *string, XftFont *font, int max_text_width) int get_max_len(char *string, XftFont *font, int max_text_width)
{ {
int eol = strlen(string); int eol = strlen(string);
XGlyphInfo info; XGlyphInfo info;
XftTextExtentsUtf8(display, font, (FcChar8 *)string, eol, &info); XftTextExtentsUtf8(display, font, (FcChar8 *)string, eol, &info);
if (info.width > max_text_width) if (info.width > max_text_width)
{ {
eol = max_text_width / font->max_advance_width; eol = max_text_width / font->max_advance_width;
info.width = 0; info.width = 0;
while (info.width < max_text_width) while (info.width < max_text_width)
{ {
eol++; eol++;
XftTextExtentsUtf8(display, font, (FcChar8 *)string, eol, &info); XftTextExtentsUtf8(display, font, (FcChar8 *)string, eol, &info);
} }
eol--; eol--;
} }
for (int i = 0; i < eol; i++) for (int i = 0; i < eol; i++)
if (string[i] == '\n') if (string[i] == '\n')
{ {
string[i] = ' '; string[i] = ' ';
return ++i; return ++i;
} }
if (info.width <= max_text_width) if (info.width <= max_text_width)
return eol; return eol;
int temp = eol; int temp = eol;
while (string[eol] != ' ' && eol) while (string[eol] != ' ' && eol)
--eol; --eol;
if (eol == 0) if (eol == 0)
return temp; return temp;
else else
return ++eol; return ++eol;
} }
void expire(int sig) void expire(int sig)
{ {
XEvent event; XEvent event;
event.type = ButtonPress; event.type = ButtonPress;
event.xbutton.button = (sig == SIGUSR2) ? (ACTION_BUTTON) : (DISMISS_BUTTON); event.xbutton.button = (sig == SIGUSR2) ? (ACTION_BUTTON) : (DISMISS_BUTTON);
XSendEvent(display, window, 0, 0, &event); XSendEvent(display, window, 0, 0, &event);
XFlush(display); XFlush(display);
} }
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
if (argc == 1) if (argc == 1)
{ {
sem_unlink("/herbe"); sem_unlink("/herbe");
die("Usage: %s body", argv[0]); die("Usage: %s body", argv[0]);
} }
struct sigaction act_expire, act_ignore; struct sigaction act_expire, act_ignore;
act_expire.sa_handler = expire; act_expire.sa_handler = expire;
act_expire.sa_flags = SA_RESTART; act_expire.sa_flags = SA_RESTART;
sigemptyset(&act_expire.sa_mask); sigemptyset(&act_expire.sa_mask);
act_ignore.sa_handler = SIG_IGN; act_ignore.sa_handler = SIG_IGN;
act_ignore.sa_flags = 0; act_ignore.sa_flags = 0;
sigemptyset(&act_ignore.sa_mask); sigemptyset(&act_ignore.sa_mask);
sigaction(SIGALRM, &act_expire, 0); sigaction(SIGALRM, &act_expire, 0);
sigaction(SIGTERM, &act_expire, 0); sigaction(SIGTERM, &act_expire, 0);
sigaction(SIGINT, &act_expire, 0); sigaction(SIGINT, &act_expire, 0);
sigaction(SIGUSR1, &act_ignore, 0); sigaction(SIGUSR1, &act_ignore, 0);
sigaction(SIGUSR2, &act_ignore, 0); sigaction(SIGUSR2, &act_ignore, 0);
if (!(display = XOpenDisplay(0))) if (!(display = XOpenDisplay(0)))
die("Cannot open display"); die("Cannot open display");
int screen = DefaultScreen(display); int screen = DefaultScreen(display);
Visual *visual = DefaultVisual(display, screen); Visual *visual = DefaultVisual(display, screen);
Colormap colormap = DefaultColormap(display, screen); Colormap colormap = DefaultColormap(display, screen);
int screen_width = DisplayWidth(display, screen); int screen_width = DisplayWidth(display, screen);
int screen_height = DisplayHeight(display, screen); int screen_height = DisplayHeight(display, screen);
XSetWindowAttributes attributes; XSetWindowAttributes attributes;
attributes.override_redirect = True; attributes.override_redirect = True;
XftColor color; XftColor color;
XftColorAllocName(display, visual, colormap, background_color, &color); XftColorAllocName(display, visual, colormap, background_color, &color);
attributes.background_pixel = color.pixel; attributes.background_pixel = color.pixel;
XftColorAllocName(display, visual, colormap, border_color, &color); XftColorAllocName(display, visual, colormap, border_color, &color);
attributes.border_pixel = color.pixel; attributes.border_pixel = color.pixel;
int num_of_lines = 0; int num_of_lines = 0;
int max_text_width = width - 2 * padding; int max_text_width = width - 2 * padding;
int lines_size = 5; int lines_size = 5;
char **lines = malloc(lines_size * sizeof(char *)); char **lines = malloc(lines_size * sizeof(char *));
if (!lines) if (!lines)
die("malloc failed"); die("malloc failed");
XftFont *font = XftFontOpenName(display, screen, font_pattern); XftFont *font = XftFontOpenName(display, screen, font_pattern);
for (int i = 1; i < argc; i++) for (int i = 1; i < argc; i++)
{ {
for (unsigned int eol = get_max_len(argv[i], font, max_text_width); eol; argv[i] += eol, num_of_lines++, eol = get_max_len(argv[i], font, max_text_width)) for (unsigned int eol = get_max_len(argv[i], font, max_text_width); eol; argv[i] += eol, num_of_lines++, eol = get_max_len(argv[i], font, max_text_width))
{ {
if (lines_size <= num_of_lines) if (lines_size <= num_of_lines)
{ {
lines = realloc(lines, (lines_size += 5) * sizeof(char *)); lines = realloc(lines, (lines_size += 5) * sizeof(char *));
if (!lines) if (!lines)
die("realloc failed"); die("realloc failed");
} }
lines[num_of_lines] = malloc((eol + 1) * sizeof(char)); lines[num_of_lines] = malloc((eol + 1) * sizeof(char));
if (!lines[num_of_lines]) if (!lines[num_of_lines])
die("malloc failed"); die("malloc failed");
strncpy(lines[num_of_lines], argv[i], eol); strncpy(lines[num_of_lines], argv[i], eol);
lines[num_of_lines][eol] = '\0'; lines[num_of_lines][eol] = '\0';
} }
} }
unsigned int x = pos_x; unsigned int x = pos_x;
unsigned int y = pos_y; unsigned int y = pos_y;
unsigned int text_height = font->ascent - font->descent; unsigned int text_height = font->ascent - font->descent;
unsigned int height = (num_of_lines - 1) * line_spacing + num_of_lines * text_height + 2 * padding; unsigned int height = (num_of_lines - 1) * line_spacing + num_of_lines * text_height + 2 * padding;
if (corner == TOP_RIGHT || corner == BOTTOM_RIGHT) if (corner == TOP_RIGHT || corner == BOTTOM_RIGHT)
x = screen_width - width - border_size * 2 - pos_x; x = screen_width - width - border_size * 2 - pos_x;
if (corner == BOTTOM_LEFT || corner == BOTTOM_RIGHT) if (corner == BOTTOM_LEFT || corner == BOTTOM_RIGHT)
y = screen_height - height - border_size * 2 - pos_y; y = screen_height - height - border_size * 2 - pos_y;
window = XCreateWindow(display, RootWindow(display, screen), x, y, width, height, border_size, DefaultDepth(display, screen), window = XCreateWindow(display, RootWindow(display, screen), x, y, width, height, border_size, DefaultDepth(display, screen),
CopyFromParent, visual, CWOverrideRedirect | CWBackPixel | CWBorderPixel, &attributes); CopyFromParent, visual, CWOverrideRedirect | CWBackPixel | CWBorderPixel, &attributes);
XftDraw *draw = XftDrawCreate(display, window, visual, colormap); XftDraw *draw = XftDrawCreate(display, window, visual, colormap);
XftColorAllocName(display, visual, colormap, font_color, &color); XftColorAllocName(display, visual, colormap, font_color, &color);
XSelectInput(display, window, ExposureMask | ButtonPress); XSelectInput(display, window, ExposureMask | ButtonPress);
XMapWindow(display, window); XMapWindow(display, window);
sem_t *mutex = sem_open("/herbe", O_CREAT, 0644, 1); sem_t *mutex = sem_open("/herbe", O_CREAT, 0644, 1);
sem_wait(mutex); sem_wait(mutex);
sigaction(SIGUSR1, &act_expire, 0); sigaction(SIGUSR1, &act_expire, 0);
sigaction(SIGUSR2, &act_expire, 0); sigaction(SIGUSR2, &act_expire, 0);
if (duration != 0) if (duration != 0)
alarm(duration); alarm(duration);
for (;;) for (;;)
{ {
XEvent event; XEvent event;
XNextEvent(display, &event); XNextEvent(display, &event);
if (event.type == Expose) if (event.type == Expose)
{ {
XClearWindow(display, window); XClearWindow(display, window);
for (int i = 0; i < num_of_lines; i++) for (int i = 0; i < num_of_lines; i++)
XftDrawStringUtf8(draw, &color, font, padding, line_spacing * i + text_height * (i + 1) + padding, XftDrawStringUtf8(draw, &color, font, padding, line_spacing * i + text_height * (i + 1) + padding,
(FcChar8 *)lines[i], strlen(lines[i])); (FcChar8 *)lines[i], strlen(lines[i]));
} }
else if (event.type == ButtonPress) else if (event.type == ButtonPress)
{ {
if (event.xbutton.button == DISMISS_BUTTON) if (event.xbutton.button == DISMISS_BUTTON)
break; break;
else if (event.xbutton.button == ACTION_BUTTON) else if (event.xbutton.button == ACTION_BUTTON)
{ {
exit_code = EXIT_ACTION; exit_code = EXIT_ACTION;
break; break;
} }
} }
} }
sem_post(mutex); sem_post(mutex);
sem_close(mutex); sem_close(mutex);
for (int i = 0; i < num_of_lines; i++) for (int i = 0; i < num_of_lines; i++)
free(lines[i]); free(lines[i]);
free(lines); free(lines);
XftDrawDestroy(draw); XftDrawDestroy(draw);
XftColorFree(display, visual, colormap, &color); XftColorFree(display, visual, colormap, &color);
XftFontClose(display, font); XftFontClose(display, font);
XCloseDisplay(display); XCloseDisplay(display);
return exit_code; return exit_code;
} }