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Implement configuration file parsing

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This commit is contained in:
Michael Stapelberg 2009-02-25 00:50:30 +01:00
parent dadace2fa3
commit e77ebb6c71
7 changed files with 183 additions and 58 deletions
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41
i3.config Normal file
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@ -0,0 +1,41 @@
terminal /usr/pkg/bin/urxvt
font -misc-fixed-medium-r-normal--13-120-75-75-C-70-iso8859-1
# Fullscreen
bind Mod1+41 f
# Stacking
bind Mod1+43 s
# Default
bind Mod1+26 d
# Focus
bind Mod1+44 h
bind Mod1+45 j
bind Mod1+46 k
bind Mod1+47 l
# Snap
bind Mod1+Control+44 sh
bind Mod1+Control+45 sj
bind Mod1+Control+46 sk
bind Mod1+Control+47 sl
# Move
bind Mod1+Shift+44 mh
bind Mod1+Shift+45 mj
bind Mod1+Shift+46 mk
bind Mod1+Shift+47 ml
# Workspaces
bind Mod1+10 1
bind Mod1+11 2
bind Mod1+12 3
bind Mod1+13 4
bind Mod1+14 5
bind Mod1+15 6
bind Mod1+16 7
bind Mod1+17 8
bind Mod1+18 9
bind Mod1+19 0

14
include/config.h Normal file
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@ -0,0 +1,14 @@
#ifndef _CONFIG_H
#define _CONFIG_H
typedef struct Config Config;
extern Config config;
struct Config {
const char *terminal;
const char *font;
};
void load_configuration(const char *configfile);
#endif

10
include/data.h
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@ -60,11 +60,11 @@ enum {
BIND_NONE = 0,
BIND_SHIFT = XCB_MOD_MASK_SHIFT, /* (1 << 0) */
BIND_CONTROL = XCB_MOD_MASK_CONTROL, /* (1 << 2) */
BIND_MOD_1 = XCB_MOD_MASK_1, /* (1 << 3) */
BIND_MOD_2 = XCB_MOD_MASK_2, /* (1 << 4) */
BIND_MOD_3 = XCB_MOD_MASK_3, /* (1 << 5) */
BIND_MOD_4 = XCB_MOD_MASK_4, /* (1 << 6) */
BIND_MOD_5 = XCB_MOD_MASK_5, /* (1 << 7) */
BIND_MOD1 = XCB_MOD_MASK_1, /* (1 << 3) */
BIND_MOD2 = XCB_MOD_MASK_2, /* (1 << 4) */
BIND_MOD3 = XCB_MOD_MASK_3, /* (1 << 5) */
BIND_MOD4 = XCB_MOD_MASK_4, /* (1 << 6) */
BIND_MOD5 = XCB_MOD_MASK_5, /* (1 << 7) */
BIND_MODE_SWITCH = (1 << 8)
};

1
include/i3.h
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@ -24,7 +24,6 @@ extern Display *xkbdpy;
extern TAILQ_HEAD(bindings_head, Binding) bindings;
extern SLIST_HEAD(stack_wins_head, Stack_Window) stack_wins;
extern xcb_event_handlers_t evenths;
extern char *pattern;
extern int num_screens;
extern xcb_atom_t atoms[NUM_ATOMS];

114
src/config.c Normal file
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@ -0,0 +1,114 @@
/*
* vim:ts=8:expandtab
*
* i3 - an improved dynamic tiling window manager
*
* © 2009 Michael Stapelberg and contributors
*
* See file LICENSE for license information.
*
*/
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <stdlib.h>
#include "i3.h"
#include "util.h"
#include "config.h"
Config config;
/*
* Reads the configuration from the given file
*
*/
void load_configuration(const char *configfile) {
#define OPTION_STRING(name) \
if (strcasecmp(key, #name) == 0) { \
config.name = sstrdup(value); \
continue; \
}
#define REQUIRED_OPTION(name) \
if (config.name == NULL) \
die("You did not specify required configuration option " #name "\n");
/* Clear the old config or initialize the data structure */
memset(&config, 0, sizeof(config));
/* check if the file exists */
struct stat buf;
if (stat(configfile, &buf) < 0)
return;
FILE *handle = fopen(configfile, "r");
if (handle == NULL)
die("Could not open configfile\n");
char key[512], value[512], buffer[1026];
while (!feof(handle)) {
if (fgets(buffer, 1024, handle) == NULL) {
/* fgets returns NULL on EOF and on error, so see which one it is. */
if (feof(handle))
break;
die("Could not read configuration file\n");
}
/* sscanf implicitly strips whitespace. Also, we skip comments and empty lines. */
if (sscanf(buffer, "%s %[^\n]", key, value) < 1 ||
key[0] == '#' || strlen(key) < 3)
continue;
OPTION_STRING(terminal);
OPTION_STRING(font);
if (strcasecmp(key, "bind") == 0) {
#define CHECK_MODIFIER(name) \
if (strncasecmp(walk, #name, strlen(#name)) == 0) { \
modifiers |= BIND_##name; \
walk += strlen(#name) + 1; \
continue; \
}
char *walk = value, *rest;
uint32_t modifiers = 0;
while (*walk != '\0') {
/* Need to check for Mod1-5, Ctrl, Shift, Mode_switch */
CHECK_MODIFIER(SHIFT);
CHECK_MODIFIER(CONTROL);
CHECK_MODIFIER(MODE_SWITCH);
CHECK_MODIFIER(MOD1);
CHECK_MODIFIER(MOD2);
CHECK_MODIFIER(MOD3);
CHECK_MODIFIER(MOD4);
CHECK_MODIFIER(MOD5);
/* No modifier found? Then we’re done with this step */
break;
}
/* Now check for the keycode */
int keycode = strtol(walk, &rest, 10);
if (!rest || *rest != ' ')
die("Invalid binding\n");
rest++;
printf("keycode = %d, modifiers = %d, command = *%s*\n", keycode, modifiers, rest);
Binding *new = smalloc(sizeof(Binding));
new->keycode = keycode;
new->mods = modifiers;
new->command = sstrdup(rest);
TAILQ_INSERT_TAIL(&bindings, new, bindings);
continue;
}
fprintf(stderr, "Unknown configfile option: %s\n", key);
exit(1);
}
fclose(handle);
REQUIRED_OPTION(terminal);
REQUIRED_OPTION(font);
return;
}

7
src/layout.c
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@ -16,6 +16,7 @@
#include <xcb/xcb.h>
#include <assert.h>
#include "config.h"
#include "font.h"
#include "i3.h"
#include "xcb.h"
@ -76,7 +77,7 @@ int get_unoccupied_y(Workspace *workspace, int col) {
*
*/
void decorate_window(xcb_connection_t *conn, Client *client, xcb_drawable_t drawable, xcb_gcontext_t gc, int offset) {
i3Font *font = load_font(conn, pattern);
i3Font *font = load_font(conn, config.font);
uint32_t background_color,
text_color,
border_color;
@ -143,7 +144,7 @@ static void reposition_client(xcb_connection_t *connection, Client *client) {
*
*/
static void resize_client(xcb_connection_t *connection, Client *client) {
i3Font *font = load_font(connection, pattern);
i3Font *font = load_font(connection, config.font);
printf("resizing client to %d x %d\n", client->rect.width, client->rect.height);
xcb_configure_window(connection, client->frame,
@ -216,7 +217,7 @@ void render_container(xcb_connection_t *connection, Container *container) {
current_client++;
}
} else {
i3Font *font = load_font(connection, pattern);
i3Font *font = load_font(connection, config.font);
int decoration_height = (font->height + 2 + 2);
struct Stack_Window *stack_win = &(container->stack_win);

54
src/mainx.c
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@ -32,6 +32,7 @@
#include <xcb/xinerama.h>
#include "data.h"
#include "config.h"
#include "queue.h"
#include "table.h"
#include "font.h"
@ -43,8 +44,6 @@
#include "xinerama.h"
#include "i3.h"
#define TERMINAL "/usr/pkg/bin/urxvt"
/* This is our connection to X11 for use with XKB */
Display *xkbdpy;
@ -59,7 +58,6 @@ struct stack_wins_head stack_wins = SLIST_HEAD_INITIALIZER(stack_wins);
xcb_event_handlers_t evenths;
xcb_atom_t atoms[NUM_ATOMS];
char *pattern = "-misc-fixed-medium-r-normal--13-120-75-75-C-70-iso8859-1";
int num_screens = 0;
/*
@ -163,7 +161,7 @@ void reparent_window(xcb_connection_t *conn, xcb_window_t child,
printf("Reparenting 0x%08x under 0x%08x.\n", child, new->frame);
i3Font *font = load_font(conn, pattern);
i3Font *font = load_font(conn, config.font);
width = min(width, c_ws->rect.x + c_ws->rect.width);
height = min(height, c_ws->rect.y + c_ws->rect.height);
@ -290,6 +288,8 @@ int main(int argc, char *argv[], char *env[]) {
byChild = alloc_table();
byParent = alloc_table();
load_configuration("i3.config");
c = xcb_connect(NULL, &screens);
/* Place requests for the atoms we need as soon as possible */
@ -407,50 +407,6 @@ int main(int argc, char *argv[], char *env[]) {
xcb_change_property(c, XCB_PROP_MODE_REPLACE, root, atoms[_NET_SUPPORTING_WM_CHECK], WINDOW, 32, 1, &root);
xcb_change_property(c, XCB_PROP_MODE_REPLACE, root, atoms[_NET_WM_NAME], atoms[UTF8_STRING], 8, strlen("i3"), "i3");
#define BIND(key, modifier, cmd) { \
Binding *new = malloc(sizeof(Binding)); \
new->keycode = key; \
new->mods = modifier; \
new->command = cmd; \
TAILQ_INSERT_TAIL(&bindings, new, bindings); \
}
/* 38 = 'a' */
BIND(38, BIND_MODE_SWITCH, "foo");
BIND(30, 0, "exec /usr/pkg/bin/urxvt");
BIND(41, BIND_MOD_1, "f");
BIND(43, BIND_MOD_1, "s");
BIND(26, BIND_MOD_1, "d");
BIND(44, BIND_MOD_1, "h");
BIND(45, BIND_MOD_1, "j");
BIND(46, BIND_MOD_1, "k");
BIND(47, BIND_MOD_1, "l");
BIND(44, BIND_MOD_1 | BIND_CONTROL, "sh");
BIND(45, BIND_MOD_1 | BIND_CONTROL, "sj");
BIND(46, BIND_MOD_1 | BIND_CONTROL, "sk");
BIND(47, BIND_MOD_1 | BIND_CONTROL, "sl");
BIND(44, BIND_MOD_1 | BIND_SHIFT, "mh");
BIND(45, BIND_MOD_1 | BIND_SHIFT, "mj");
BIND(46, BIND_MOD_1 | BIND_SHIFT, "mk");
BIND(47, BIND_MOD_1 | BIND_SHIFT, "ml");
BIND(10, BIND_MOD_1 , "1");
BIND(11, BIND_MOD_1 , "2");
BIND(12, BIND_MOD_1 , "3");
BIND(13, BIND_MOD_1 , "4");
BIND(14, BIND_MOD_1 , "5");
BIND(15, BIND_MOD_1 , "6");
BIND(16, BIND_MOD_1 , "7");
BIND(17, BIND_MOD_1 , "8");
BIND(18, BIND_MOD_1 , "9");
BIND(19, BIND_MOD_1 , "0");
/* Grab the bound keys */
Binding *bind;
TAILQ_FOREACH(bind, &bindings, bindings) {
@ -465,7 +421,7 @@ int main(int argc, char *argv[], char *env[]) {
initialize_xinerama(c);
/* DEBUG: Start a terminal */
start_application(TERMINAL);
start_application(config.terminal);
xcb_flush(c);