[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
03/04: gnu: kmscon: Add runtime keymap update support.
|
From: |
Mathieu Othacehe |
|
Subject: |
03/04: gnu: kmscon: Add runtime keymap update support. |
|
Date: |
Fri, 16 Nov 2018 22:42:57 -0500 (EST) |
mothacehe pushed a commit to branch wip-newt-installer
in repository guix.
commit 875e11a5d0a43d44cff11223d77559dcb767c3b7
Author: Mathieu Othacehe <address@hidden>
Date: Fri Nov 16 20:40:26 2018 +0900
gnu: kmscon: Add runtime keymap update support.
* gnu/packages/patches/kmscon-runtime-keymap-switch.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/terminals.scm (kmscon)[source]: Add patch.
---
gnu/local.mk | 1 +
.../patches/kmscon-runtime-keymap-switch.patch | 229 +++++++++++++++++++++
gnu/packages/terminals.scm | 2 +
3 files changed, 232 insertions(+)
diff --git a/gnu/local.mk b/gnu/local.mk
index 2a90a85..457dfe0 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -843,6 +843,7 @@ dist_patch_DATA =
\
%D%/packages/patches/kiki-missing-includes.patch \
%D%/packages/patches/kiki-portability-64bit.patch \
%D%/packages/patches/kmod-module-directory.patch \
+ %D%/packages/patches/kmscon-runtime-keymap-switch.patch \
%D%/packages/patches/kobodeluxe-paths.patch \
%D%/packages/patches/kobodeluxe-enemies-pipe-decl.patch \
%D%/packages/patches/kobodeluxe-const-charp-conversion.patch \
diff --git a/gnu/packages/patches/kmscon-runtime-keymap-switch.patch
b/gnu/packages/patches/kmscon-runtime-keymap-switch.patch
new file mode 100644
index 0000000..656c76f
--- /dev/null
+++ b/gnu/packages/patches/kmscon-runtime-keymap-switch.patch
@@ -0,0 +1,229 @@
+From 360d44d67e7be46108bec982ff2e79b89f04a9a3 Mon Sep 17 00:00:00 2001
+From: Mathieu Othacehe <address@hidden>
+Date: Thu, 15 Nov 2018 14:34:40 +0900
+Subject: [PATCH] add runtime keymap switch support.
+
+---
+ src/pty.c | 23 ++++++++++-
+ src/uterm_input.c | 2 +
+ src/uterm_input_internal.h | 5 +++
+ src/uterm_input_uxkb.c | 83 ++++++++++++++++++++++++++++++++++++++
+ 4 files changed, 111 insertions(+), 2 deletions(-)
+
+diff --git a/src/pty.c b/src/pty.c
+index 1443f4a..f64cb5b 100644
+--- a/src/pty.c
++++ b/src/pty.c
+@@ -46,6 +46,8 @@
+
+ #define KMSCON_NREAD 16384
+
++#define INPUT_KEYMAP_UPDATE_FILE "/tmp/kmscon-%d-keymap-update"
++
+ struct kmscon_pty {
+ unsigned long ref;
+ struct ev_eloop *eloop;
+@@ -241,9 +243,22 @@ static bool pty_is_open(struct kmscon_pty *pty)
+ return pty->fd >= 0;
+ }
+
++static int kmscon_keymap_update(pid_t pid)
++{
++ char *file;
++ int ret;
++
++ ret = asprintf(&file, INPUT_KEYMAP_UPDATE_FILE, pid);
++ if (ret < 0)
++ return ret;
++
++ return setenv("KEYMAP_UPDATE", file, 1);
++}
++
+ static void __attribute__((noreturn))
+ exec_child(const char *term, const char *colorterm, char **argv,
+- const char *seat, const char *vtnr, bool env_reset)
++ const char *seat, const char *vtnr, bool env_reset,
++ pid_t kmscon_pid)
+ {
+ char **env;
+ char **def_argv;
+@@ -277,6 +292,8 @@ exec_child(const char *term, const char *colorterm, char
**argv,
+ if (vtnr)
+ setenv("XDG_VTNR", vtnr, 1);
+
++ kmscon_keymap_update(kmscon_pid);
++
+ execve(argv[0], argv, environ);
+
+ log_err("failed to exec child %s: %m", argv[0]);
+@@ -383,12 +400,14 @@ static int pty_spawn(struct kmscon_pty *pty, int master,
+ unsigned short width, unsigned short height)
+ {
+ pid_t pid;
++ pid_t kmscon_pid;
+ struct winsize ws;
+
+ memset(&ws, 0, sizeof(ws));
+ ws.ws_col = width;
+ ws.ws_row = height;
+
++ kmscon_pid = getpid();
+ pid = fork();
+ switch (pid) {
+ case -1:
+@@ -397,7 +416,7 @@ static int pty_spawn(struct kmscon_pty *pty, int master,
+ case 0:
+ setup_child(master, &ws);
+ exec_child(pty->term, pty->colorterm, pty->argv, pty->seat,
+- pty->vtnr, pty->env_reset);
++ pty->vtnr, pty->env_reset, kmscon_pid);
+ exit(EXIT_FAILURE);
+ default:
+ log_debug("forking child %d", pid);
+diff --git a/src/uterm_input.c b/src/uterm_input.c
+index 6fcbc4b..990a09d 100644
+--- a/src/uterm_input.c
++++ b/src/uterm_input.c
+@@ -178,6 +178,8 @@ static void input_new_dev(struct uterm_input *input,
+ if (ret)
+ goto err_rcodepoints;
+
++ uxkb_dev_keymap_update(dev);
++
+ if (input->awake > 0) {
+ ret = input_wake_up_dev(dev);
+ if (ret)
+diff --git a/src/uterm_input_internal.h b/src/uterm_input_internal.h
+index 04e6cc9..ec44459 100644
+--- a/src/uterm_input_internal.h
++++ b/src/uterm_input_internal.h
+@@ -39,6 +39,8 @@
+ #include "shl_misc.h"
+ #include "uterm_input.h"
+
++#define INPUT_KEYMAP_UPDATE_FILE "/tmp/kmscon-%d-keymap-update"
++
+ enum uterm_input_device_capability {
+ UTERM_DEVICE_HAS_KEYS = (1 << 0),
+ UTERM_DEVICE_HAS_LEDS = (1 << 1),
+@@ -62,6 +64,8 @@ struct uterm_input_dev {
+
+ bool repeating;
+ struct ev_timer *repeat_timer;
++ struct ev_fd *fd_update;
++ int rupdate_fd;
+ };
+
+ struct uterm_input {
+@@ -95,6 +99,7 @@ void uxkb_desc_destroy(struct uterm_input *input);
+
+ int uxkb_dev_init(struct uterm_input_dev *dev);
+ void uxkb_dev_destroy(struct uterm_input_dev *dev);
++int uxkb_dev_keymap_update(struct uterm_input_dev *dev);
+ int uxkb_dev_process(struct uterm_input_dev *dev,
+ uint16_t key_state,
+ uint16_t code);
+diff --git a/src/uterm_input_uxkb.c b/src/uterm_input_uxkb.c
+index 925c755..4760972 100644
+--- a/src/uterm_input_uxkb.c
++++ b/src/uterm_input_uxkb.c
+@@ -31,6 +31,9 @@
+ #include <stdlib.h>
+ #include <string.h>
+ #include <unistd.h>
++#include <sys/types.h>
++#include <sys/stat.h>
++#include <fcntl.h>
+ #include <xkbcommon/xkbcommon.h>
+ #include "shl_hook.h"
+ #include "shl_llog.h"
+@@ -178,6 +181,86 @@ static void timer_event(struct ev_timer *timer, uint64_t
num, void *data)
+ shl_hook_call(dev->input->hook, dev->input, &dev->repeat_event);
+ }
+
++static void uxkb_keymap_update_handler(struct ev_fd *fd, int mask, void *data)
++{
++ struct uterm_input_dev *dev = data;
++ char in;
++ char keymap[3][255];
++ int pos = 0;
++ int curr_keymap = 0;
++ int ret;
++ char *model, *layout, *variant;
++
++ if (!(mask & EV_READABLE))
++ return;
++
++ memset(keymap, 0, sizeof(keymap));
++
++ model = keymap[0];
++ layout = keymap[1];
++ variant = keymap[2];
++
++ do {
++ ret = read(dev->rupdate_fd, &in, sizeof(in));
++ if (ret <= 0)
++ break;
++
++ keymap[curr_keymap][pos++] = in;
++
++ if (in == '\0') {
++ curr_keymap++;
++ pos = 0;
++ }
++ } while (1);
++
++ llog_info(dev->input, "HANDLER CALLED %s|%s|%s\n",
++ model, layout, variant);
++ uxkb_desc_init(dev->input, model, layout, variant, NULL, NULL);
++
++ dev->state = xkb_state_new(dev->input->keymap);
++ if (!dev->state) {
++ llog_error(dev->input, "cannot create XKB state");
++ return;
++ }
++}
++
++int uxkb_dev_keymap_update(struct uterm_input_dev *dev)
++{
++ int ret;
++ char *file;
++ int pid = getpid();
++
++ ret = asprintf(&file, INPUT_KEYMAP_UPDATE_FILE, pid);
++ if (ret < 0)
++ return ret;
++
++ ret = mkfifo(file, S_IRWXU);
++ if (ret < 0) {
++ llog_warn(dev->input, "could not open fifo");
++ return -EFAULT;
++ }
++ dev->rupdate_fd = open(file, O_RDONLY | O_NONBLOCK);
++ if (dev->rupdate_fd < 0) {
++ llog_warn(dev->input, "cannot open file %s (%d): %m",
++ file, errno);
++ return -EFAULT;
++ }
++
++ setenv("KEYMAP_UPDATE", file, 1);
++
++ ret = ev_eloop_new_fd(dev->input->eloop, &dev->fd_update,
++ dev->rupdate_fd, EV_READABLE,
++ uxkb_keymap_update_handler, dev);
++ if (ret) {
++ llog_error(dev->input, "could not init keymap update");
++ close(dev->rupdate_fd);
++ dev->rupdate_fd = -1;
++ return ret;
++ }
++
++ return 0;
++}
++
+ int uxkb_dev_init(struct uterm_input_dev *dev)
+ {
+ int ret;
+--
+2.17.1
+
diff --git a/gnu/packages/terminals.scm b/gnu/packages/terminals.scm
index 116377c..8b5b513 100644
--- a/gnu/packages/terminals.scm
+++ b/gnu/packages/terminals.scm
@@ -236,6 +236,8 @@ compatibility to existing emulators like xterm,
gnome-terminal, konsole, etc.")
(sha256
(base32
"0q62kjsvy2iwy8adfiygx2bfwlh83rphgxbis95ycspqidg9py87"))
+ (patches
+ (search-patches "kmscon-runtime-keymap-switch.patch"))
(modules '((guix build utils)))))
(build-system gnu-build-system)
(arguments