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i3-config-wizard: use IPC functions from libi3

This commit is contained in:
Michael Stapelberg 2011-10-23 13:12:52 +01:00
parent 41551178a8
commit 4ddc32f8ee
4 changed files with 8 additions and 72 deletions
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9
i3-config-wizard/Makefile
View File

@ -8,6 +8,8 @@ AUTOGENERATED:=cfgparse.tab.c cfgparse.yy.c
FILES:=$(patsubst %.c,%.o,$(filter-out $(AUTOGENERATED),$(wildcard *.c)))
HEADERS:=$(wildcard *.h)
CPPFLAGS += -I$(TOPDIR)/include
# Depend on the specific file (.c for each .o) and on all headers
%.o: %.c ${HEADERS}
echo "[i3-config-wizard] CC $<"
@ -15,9 +17,12 @@ HEADERS:=$(wildcard *.h)
all: i3-config-wizard
i3-config-wizard: cfgparse.y.o cfgparse.yy.o ${FILES}
i3-config-wizard: $(TOPDIR)/libi3/libi3.a cfgparse.y.o cfgparse.yy.o ${FILES}
echo "[i3-config-wizard] LINK i3-config-wizard"
$(CC) $(LDFLAGS) -o $@ $^ $(LIBS)
$(CC) $(LDFLAGS) -o $@ $(filter-out libi3/libi3.a,$^) $(LIBS)
$(TOPDIR)/libi3/%.a: $(TOPDIR)/libi3/*.c
$(MAKE) -C $(TOPDIR)/libi3
cfgparse.yy.o: cfgparse.l cfgparse.y.o ${HEADERS}
echo "[i3-config-wizard] LEX $<"

31
i3-config-wizard/ipc.c
View File

@ -16,37 +16,6 @@
#include <unistd.h>
#include <err.h>
/*
* Formats a message (payload) of the given size and type and sends it to i3 via
* the given socket file descriptor.
*
*/
void ipc_send_message(int sockfd, uint32_t message_size,
uint32_t message_type, uint8_t *payload) {
int buffer_size = strlen("i3-ipc") + sizeof(uint32_t) + sizeof(uint32_t) + message_size;
char msg[buffer_size];
char *walk = msg;
strcpy(walk, "i3-ipc");
walk += strlen("i3-ipc");
memcpy(walk, &message_size, sizeof(uint32_t));
walk += sizeof(uint32_t);
memcpy(walk, &message_type, sizeof(uint32_t));
walk += sizeof(uint32_t);
memcpy(walk, payload, message_size);
int sent_bytes = 0;
int bytes_to_go = buffer_size;
while (sent_bytes < bytes_to_go) {
int n = write(sockfd, msg + sent_bytes, bytes_to_go);
if (n == -1)
err(EXIT_FAILURE, "write() failed");
sent_bytes += n;
bytes_to_go -= n;
}
}
/*
* Connects to the i3 IPC socket and returns the file descriptor for the
* socket. die()s if anything goes wrong.

3
i3-config-wizard/ipc.h
View File

@ -1,9 +1,6 @@
#ifndef _IPC_H
#define _IPC_H
void ipc_send_message(int sockfd, uint32_t message_size,
uint32_t message_type, uint8_t *payload);
int connect_ipc(char *socket_path);
#endif

37
i3-config-wizard/main.c
View File

@ -52,6 +52,7 @@ while (0)
#include "xcb.h"
#include "ipc.h"
#include "libi3.h"
enum { STEP_WELCOME, STEP_GENERATE } current_step = STEP_WELCOME;
enum { MOD_Mod1, MOD_Mod4 } modifier = MOD_Mod4;
@ -130,42 +131,6 @@ static char *resolve_tilde(const char *path) {
return result;
}
/*
* Try to get the socket path from X11 and return NULL if it doesn’t work.
* As i3-msg is a short-running tool, we don’t bother with cleaning up the
* connection and leave it up to the operating system on exit.
*
*/
static char *socket_path_from_x11() {
xcb_connection_t *conn;
int screen;
if ((conn = xcb_connect(NULL, &screen)) == NULL ||
xcb_connection_has_error(conn))
return NULL;
xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screen);
xcb_window_t root = root_screen->root;
xcb_intern_atom_cookie_t atom_cookie;
xcb_intern_atom_reply_t *atom_reply;
atom_cookie = xcb_intern_atom(conn, 0, strlen("I3_SOCKET_PATH"), "I3_SOCKET_PATH");
atom_reply = xcb_intern_atom_reply(conn, atom_cookie, NULL);
if (atom_reply == NULL)
return NULL;
xcb_get_property_cookie_t prop_cookie;
xcb_get_property_reply_t *prop_reply;
prop_cookie = xcb_get_property_unchecked(conn, false, root, atom_reply->atom,
XCB_GET_PROPERTY_TYPE_ANY, 0, PATH_MAX);
prop_reply = xcb_get_property_reply(conn, prop_cookie, NULL);
if (prop_reply == NULL || xcb_get_property_value_length(prop_reply) == 0)
return NULL;
if (asprintf(&socket_path, "%.*s", xcb_get_property_value_length(prop_reply),
(char*)xcb_get_property_value(prop_reply)) == -1)
return NULL;
return socket_path;
}
/*
* Handles expose events, that is, draws the window contents.
*