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awesome/config.c
Julien Danjou 5fa67c23df split awesomeconf and screen config 
a.k.a the big post-2.0 blind commit
2007-12-11 20:56:51 +01:00

570 lines
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/*
* config.c - configuration management
*
* Copyright © 2007 Julien Danjou <julien@danjou.info>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
/**
* \defgroup ui_callback
*/
#include <confuse.h>
#include <X11/keysym.h>
#include "awesome.h"
#include "layout.h"
#include "statusbar.h"
#include "util.h"
#include "rules.h"
#include "screen.h"
#include "layouts/tile.h"
#include "layouts/floating.h"
#include "layouts/max.h"
#define AWESOME_CONFIG_FILE ".awesomerc"
static XColor initxcolor(Display *, int, const char *);
static unsigned int get_numlockmask(Display *);
/** Link a name to a key symbol */
typedef struct
{
const char *name;
KeySym keysym;
} KeyMod;
/** Link a name to a mouse button symbol */
typedef struct
{
const char *name;
unsigned int button;
} MouseButton;
extern const NameFuncLink UicbList[];
/** List of keyname and corresponding X11 mask codes */
static const KeyMod KeyModList[] =
{
{"Shift", ShiftMask},
{"Lock", LockMask},
{"Control", ControlMask},
{"Mod1", Mod1Mask},
{"Mod2", Mod2Mask},
{"Mod3", Mod3Mask},
{"Mod4", Mod4Mask},
{"Mod5", Mod5Mask},
{NULL, NoSymbol}
};
/** List of button name and corresponding X11 mask codes */
static const MouseButton MouseButtonList[] =
{
{"1", Button1},
{"2", Button2},
{"3", Button3},
{"4", Button4},
{"5", Button5},
{NULL, 0}
};
/** List of available layouts and link between name and functions */
static const NameFuncLink LayoutsList[] =
{
{"tile", layout_tile},
{"tileleft", layout_tileleft},
{"max", layout_max},
{"floating", layout_floating},
{NULL, NULL}
};
/** Lookup for a key mask from its name
* \param keyname Key name
* \return Key mask or 0 if not found
*/
static KeySym
key_mask_lookup(const char *keyname)
{
int i;
if(keyname)
for(i = 0; KeyModList[i].name; i++)
if(!a_strcmp(keyname, KeyModList[i].name))
return KeyModList[i].keysym;
return NoSymbol;
}
/** Lookup for a mouse button from its name
* \param button Mouse button name
* \return Mouse button or 0 if not found
*/
static unsigned int
mouse_button_lookup(const char *button)
{
int i;
if(button)
for(i = 0; MouseButtonList[i].name; i++)
if(!a_strcmp(button, MouseButtonList[i].name))
return MouseButtonList[i].button;
return 0;
}
static Button *
parse_mouse_bindings(cfg_t * cfg, const char *secname, Bool handle_arg)
{
unsigned int i, j;
cfg_t *cfgsectmp;
Button *b = NULL, *head = NULL;
/* Mouse: layout click bindings */
for(i = 0; i < cfg_size(cfg, secname); i++)
{
/* init first elem */
if(i == 0)
head = b = p_new(Button, 1);
cfgsectmp = cfg_getnsec(cfg, secname, i);
for(j = 0; j < cfg_size(cfgsectmp, "modkey"); j++)
b->mod |= key_mask_lookup(cfg_getnstr(cfgsectmp, "modkey", j));
b->button = mouse_button_lookup(cfg_getstr(cfgsectmp, "button"));
b->func = name_func_lookup(cfg_getstr(cfgsectmp, "command"), UicbList);
if(!b->func)
fprintf(stderr, "awesome: unknown command %s\n", cfg_getstr(cfgsectmp, "command"));
if(handle_arg)
b->arg = a_strdup(cfg_getstr(cfgsectmp, "arg"));
else
b->arg = NULL;
/* switch to next elem or finalize the list */
if(i < cfg_size(cfg, secname) - 1)
{
b->next = p_new(Button, 1);
b = b->next;
}
else
b->next = NULL;
}
return head;
}
/** Parse configuration file and initialize some stuff
* \param disp Display ref
* \param scr Screen number
*/
void
parse_config(const char *confpatharg, awesome_config *awesomeconf)
{
static cfg_opt_t general_opts[] =
{
CFG_INT((char *) "border", 1, CFGF_NONE),
CFG_INT((char *) "snap", 8, CFGF_NONE),
CFG_BOOL((char *) "resize_hints", cfg_false, CFGF_NONE),
CFG_INT((char *) "opacity_unfocused", 100, CFGF_NONE),
CFG_BOOL((char *) "focus_move_pointer", cfg_false, CFGF_NONE),
CFG_BOOL((char *) "allow_lower_floats", cfg_false, CFGF_NONE),
CFG_STR((char *) "font", (char *) "mono-12", CFGF_NONE),
CFG_END()
};
static cfg_opt_t colors_opts[] =
{
CFG_STR((char *) "normal_border", (char *) "#111111", CFGF_NONE),
CFG_STR((char *) "normal_bg", (char *) "#111111", CFGF_NONE),
CFG_STR((char *) "normal_fg", (char *) "#eeeeee", CFGF_NONE),
CFG_STR((char *) "focus_border", (char *) "#6666ff", CFGF_NONE),
CFG_STR((char *) "focus_bg", (char *) "#6666ff", CFGF_NONE),
CFG_STR((char *) "focus_fg", (char *) "#ffffff", CFGF_NONE),
CFG_STR((char *) "tab_border", (char *) "#ff0000", CFGF_NONE),
CFG_END()
};
static cfg_opt_t statusbar_opts[] =
{
CFG_STR((char *) "position", (char *) "top", CFGF_NONE),
CFG_END()
};
static cfg_opt_t tag_opts[] =
{
CFG_STR((char *) "layout", (char *) "tile", CFGF_NONE),
CFG_FLOAT((char *) "mwfact", 0.5, CFGF_NONE),
CFG_INT((char *) "nmaster", 1, CFGF_NONE),
CFG_INT((char *) "ncol", 1, CFGF_NONE),
CFG_END()
};
static cfg_opt_t tags_opts[] =
{
CFG_SEC((char *) "tag", tag_opts, CFGF_TITLE | CFGF_MULTI),
CFG_END()
};
static cfg_opt_t layout_opts[] =
{
CFG_STR((char *) "symbol", (char *) "???", CFGF_NONE),
CFG_END()
};
static cfg_opt_t layouts_opts[] =
{
CFG_SEC((char *) "layout", layout_opts, CFGF_TITLE | CFGF_MULTI),
CFG_END()
};
static cfg_opt_t padding_opts[] =
{
CFG_INT((char *) "top", 0, CFGF_NONE),
CFG_INT((char *) "bottom", 0, CFGF_NONE),
CFG_INT((char *) "right", 0, CFGF_NONE),
CFG_INT((char *) "left", 0, CFGF_NONE),
CFG_END()
};
static cfg_opt_t screen_opts[] =
{
CFG_SEC((char *) "general", general_opts, CFGF_NONE),
CFG_SEC((char *) "statusbar", statusbar_opts, CFGF_NONE),
CFG_SEC((char *) "tags", tags_opts, CFGF_NONE),
CFG_SEC((char *) "colors", colors_opts, CFGF_NONE),
CFG_SEC((char *) "layouts", layouts_opts, CFGF_NONE),
CFG_SEC((char *) "padding", padding_opts, CFGF_NONE),
};
static cfg_opt_t rule_opts[] =
{
CFG_STR((char *) "name", (char *) "", CFGF_NONE),
CFG_STR((char *) "tags", (char *) "", CFGF_NONE),
CFG_BOOL((char *) "float", cfg_false, CFGF_NONE),
CFG_INT((char *) "screen", RULE_NOSCREEN, CFGF_NONE),
CFG_END()
};
static cfg_opt_t rules_opts[] =
{
CFG_SEC((char *) "rule", rule_opts, CFGF_MULTI),
CFG_END()
};
static cfg_opt_t key_opts[] =
{
CFG_STR_LIST((char *) "modkey", (char *) "{Mod4}", CFGF_NONE),
CFG_STR((char *) "key", (char *) "None", CFGF_NONE),
CFG_STR((char *) "command", (char *) "", CFGF_NONE),
CFG_STR((char *) "arg", NULL, CFGF_NONE),
CFG_END()
};
static cfg_opt_t keys_opts[] =
{
CFG_SEC((char *) "key", key_opts, CFGF_MULTI),
CFG_END()
};
static cfg_opt_t mouse_tag_opts[] =
{
CFG_STR_LIST((char *) "modkey", (char *) "{}", CFGF_NONE),
CFG_STR((char *) "button", (char *) "None", CFGF_NONE),
CFG_STR((char *) "command", (char *) "", CFGF_NONE),
CFG_END()
};
static cfg_opt_t mouse_generic_opts[] =
{
CFG_STR_LIST((char *) "modkey", (char *) "{}", CFGF_NONE),
CFG_STR((char *) "button", (char *) "None", CFGF_NONE),
CFG_STR((char *) "command", (char *) "", CFGF_NONE),
CFG_STR((char *) "arg", NULL, CFGF_NONE),
CFG_END()
};
static cfg_opt_t mouse_opts[] =
{
CFG_SEC((char *) "tag", mouse_tag_opts, CFGF_MULTI),
CFG_SEC((char *) "layout", mouse_generic_opts, CFGF_MULTI),
CFG_SEC((char *) "title", mouse_generic_opts, CFGF_MULTI),
CFG_SEC((char *) "root", mouse_generic_opts, CFGF_MULTI),
CFG_SEC((char *) "client", mouse_generic_opts, CFGF_MULTI),
CFG_END()
};
static cfg_opt_t opts[] =
{
CFG_SEC((char *) "screen", screen_opts, CFGF_TITLE | CFGF_MULTI),
CFG_SEC((char *) "rules", rules_opts, CFGF_NONE),
CFG_SEC((char *) "keys", keys_opts, CFGF_NONE),
CFG_SEC((char *) "mouse", mouse_opts, CFGF_NONE),
CFG_END()
};
cfg_t *cfg, *cfg_general, *cfg_colors, *cfg_screen, *cfg_statusbar, *cfg_tags,
*cfg_layouts, *cfg_rules, *cfg_keys, *cfg_mouse, *cfgsectmp, *cfg_padding;
int i = 0, k = 0, ret, screen;
unsigned int j = 0, l = 0;
const char *tmp, *homedir;
char *confpath, buf[2];
ssize_t confpath_len;
Key *key = NULL;
Rule *rule = NULL;
if(confpatharg)
confpath = a_strdup(confpatharg);
else
{
homedir = getenv("HOME");
confpath_len = a_strlen(homedir) + a_strlen(AWESOME_CONFIG_FILE) + 2;
confpath = p_new(char, confpath_len);
a_strcpy(confpath, confpath_len, homedir);
a_strcat(confpath, confpath_len, "/");
a_strcat(confpath, confpath_len, AWESOME_CONFIG_FILE);
}
awesomeconf->configpath = a_strdup(confpath);
cfg = cfg_init(opts, CFGF_NONE);
ret = cfg_parse(cfg, confpath);
if(ret == CFG_FILE_ERROR)
{
perror("awesome: parsing configuration file failed");
cfg_parse_buf(cfg, AWESOME_DEFAULT_CONFIG);
}
else if(ret == CFG_PARSE_ERROR)
cfg_error(cfg, "awesome: parsing configuration file %s failed.\n", confpath);
/* get the right screen section */
for(screen = 0; screen < get_screen_count(awesomeconf->display); screen++)
{
a_strcpy(awesomeconf->screens[screen].statustext,
sizeof(awesomeconf->screens[screen].statustext),
"awesome-" VERSION " (" RELEASE ")");
snprintf(buf, sizeof(buf), "%d", screen);
cfg_screen = cfg_gettsec(cfg, "screen", buf);
if(!cfg_screen)
cfg_screen = cfg_getsec(cfg, "screen");
if(!cfg_screen)
{
fprintf(stderr, "awesome: parsing configuration file failed, no screen section found");
cfg_parse_buf(cfg, AWESOME_DEFAULT_CONFIG);
cfg_screen = cfg_getsec(cfg, "screen");
}
/* get screen specific sections */
cfg_statusbar = cfg_getsec(cfg_screen, "statusbar");
cfg_tags = cfg_getsec(cfg_screen, "tags");
cfg_colors = cfg_getsec(cfg_screen, "colors");
cfg_general = cfg_getsec(cfg_screen, "general");
cfg_layouts = cfg_getsec(cfg_screen, "layouts");
cfg_padding = cfg_getsec(cfg_screen, "padding");
/* General section */
awesomeconf->screens[screen].borderpx = cfg_getint(cfg_general, "border");
awesomeconf->screens[screen].snap = cfg_getint(cfg_general, "snap");
awesomeconf->screens[screen].resize_hints = cfg_getbool(cfg_general, "resize_hints");
awesomeconf->screens[screen].opacity_unfocused = cfg_getint(cfg_general, "opacity_unfocused");
awesomeconf->screens[screen].focus_move_pointer = cfg_getbool(cfg_general, "focus_move_pointer");
awesomeconf->screens[screen].allow_lower_floats = cfg_getbool(cfg_general, "allow_lower_floats");
awesomeconf->screens[screen].font = XftFontOpenName(awesomeconf->display,
get_phys_screen(awesomeconf->display, screen),
cfg_getstr(cfg_general, "font"));
if(!awesomeconf->screens[screen].font)
eprint("awesome: cannot init font\n");
/* Colors */
awesomeconf->screens[screen].colors_normal[ColBorder] = initxcolor(awesomeconf->display, get_phys_screen(awesomeconf->display, screen), cfg_getstr(cfg_colors, "normal_border"));
awesomeconf->screens[screen].colors_normal[ColBG] = initxcolor(awesomeconf->display, get_phys_screen(awesomeconf->display, screen), cfg_getstr(cfg_colors, "normal_bg"));
awesomeconf->screens[screen].colors_normal[ColFG] = initxcolor(awesomeconf->display, get_phys_screen(awesomeconf->display, screen), cfg_getstr(cfg_colors, "normal_fg"));
awesomeconf->screens[screen].colors_selected[ColBorder] = initxcolor(awesomeconf->display, get_phys_screen(awesomeconf->display, screen), cfg_getstr(cfg_colors, "focus_border"));
awesomeconf->screens[screen].colors_selected[ColBG] = initxcolor(awesomeconf->display, get_phys_screen(awesomeconf->display, screen), cfg_getstr(cfg_colors, "focus_bg"));
awesomeconf->screens[screen].colors_selected[ColFG] = initxcolor(awesomeconf->display, get_phys_screen(awesomeconf->display, screen), cfg_getstr(cfg_colors, "focus_fg"));
/* Statusbar */
tmp = cfg_getstr(cfg_statusbar, "position");
if(tmp && !a_strncmp(tmp, "off", 6))
awesomeconf->screens[screen].statusbar.dposition = BarOff;
else if(tmp && !a_strncmp(tmp, "bottom", 6))
awesomeconf->screens[screen].statusbar.dposition = BarBot;
else if(tmp && !a_strncmp(tmp, "right", 5))
awesomeconf->screens[screen].statusbar.dposition = BarRight;
else if(tmp && !a_strncmp(tmp, "left", 4))
awesomeconf->screens[screen].statusbar.dposition = BarLeft;
else
awesomeconf->screens[screen].statusbar.dposition = BarTop;
awesomeconf->screens[screen].statusbar.position = awesomeconf->screens[screen].statusbar.dposition;
/* Layouts */
awesomeconf->screens[screen].nlayouts = cfg_size(cfg_layouts, "layout");
awesomeconf->screens[screen].layouts = p_new(Layout, awesomeconf->screens[screen].nlayouts);
for(i = 0; i < awesomeconf->screens[screen].nlayouts; i++)
{
cfgsectmp = cfg_getnsec(cfg_layouts, "layout", i);
awesomeconf->screens[screen].layouts[i].arrange = name_func_lookup(cfg_title(cfgsectmp), LayoutsList);
if(!awesomeconf->screens[screen].layouts[i].arrange)
{
fprintf(stderr, "awesome: unknown layout %s in configuration file\n", cfg_title(cfgsectmp));
awesomeconf->screens[screen].layouts[i].symbol = NULL;
continue;
}
awesomeconf->screens[screen].layouts[i].symbol = a_strdup(cfg_getstr(cfgsectmp, "symbol"));
}
if(!awesomeconf->screens[screen].nlayouts)
eprint("awesome: fatal: no default layout available\n");
/* Tags */
awesomeconf->screens[screen].ntags = cfg_size(cfg_tags, "tag");
awesomeconf->screens[screen].tags = p_new(Tag, awesomeconf->screens[screen].ntags);
for(i = 0; i < awesomeconf->screens[screen].ntags; i++)
{
cfgsectmp = cfg_getnsec(cfg_tags, "tag", i);
awesomeconf->screens[screen].tags[i].name = a_strdup(cfg_title(cfgsectmp));
awesomeconf->screens[screen].tags[i].selected = False;
awesomeconf->screens[screen].tags[i].was_selected = False;
tmp = cfg_getstr(cfgsectmp, "layout");
for(k = 0; k < awesomeconf->screens[screen].nlayouts; k++)
if(awesomeconf->screens[screen].layouts[k].arrange == name_func_lookup(tmp, LayoutsList))
break;
if(k == awesomeconf->screens[screen].nlayouts)
k = 0;
awesomeconf->screens[screen].tags[i].layout = &awesomeconf->screens[screen].layouts[k];
awesomeconf->screens[screen].tags[i].mwfact = cfg_getfloat(cfgsectmp, "mwfact");
awesomeconf->screens[screen].tags[i].nmaster = cfg_getint(cfgsectmp, "nmaster");
awesomeconf->screens[screen].tags[i].ncol = cfg_getint(cfgsectmp, "ncol");
}
if(!awesomeconf->screens[screen].ntags)
eprint("awesome: fatal: no tags found in configuration file\n");
/* select first tag by default */
awesomeconf->screens[screen].tags[0].selected = True;
awesomeconf->screens[screen].tags[0].was_selected = True;
/* padding */
awesomeconf->screens[screen].padding.top = cfg_getint(cfg_padding, "top");
awesomeconf->screens[screen].padding.bottom = cfg_getint(cfg_padding, "bottom");
awesomeconf->screens[screen].padding.left = cfg_getint(cfg_padding, "left");
awesomeconf->screens[screen].padding.right = cfg_getint(cfg_padding, "right");
}
/* get general sections */
cfg_rules = cfg_getsec(cfg, "rules");
cfg_keys = cfg_getsec(cfg, "keys");
cfg_mouse = cfg_getsec(cfg, "mouse");
/* Rules */
if(cfg_size(cfg_rules, "rule"))
{
awesomeconf->rules = rule = p_new(Rule, 1);
for(j = 0; j < cfg_size(cfg_rules, "rule"); j++)
{
cfgsectmp = cfg_getnsec(cfg_rules, "rule", j);
rule->prop = a_strdup(cfg_getstr(cfgsectmp, "name"));
rule->tags = a_strdup(cfg_getstr(cfgsectmp, "tags"));
if(!a_strlen(rule->tags))
rule->tags = NULL;
rule->isfloating = cfg_getbool(cfgsectmp, "float");
rule->screen = cfg_getint(cfgsectmp, "screen");
if(rule->screen >= get_screen_count(awesomeconf->display))
rule->screen = 0;
if(j < cfg_size(cfg_rules, "rule") - 1)
{
rule->next = p_new(Rule, 1);
rule = rule->next;
}
else
rule->next = NULL;
}
}
else
awesomeconf->rules = NULL;
compileregs(awesomeconf->rules);
/* Mouse: tags click bindings */
awesomeconf->buttons.tag = parse_mouse_bindings(cfg_mouse, "tag", False);
/* Mouse: layout click bindings */
awesomeconf->buttons.layout = parse_mouse_bindings(cfg_mouse, "layout", True);
/* Mouse: title click bindings */
awesomeconf->buttons.title = parse_mouse_bindings(cfg_mouse, "title", True);
/* Mouse: root window click bindings */
awesomeconf->buttons.root = parse_mouse_bindings(cfg_mouse, "root", True);
/* Mouse: client windows click bindings */
awesomeconf->buttons.client = parse_mouse_bindings(cfg_mouse, "client", True);
/* Keys */
awesomeconf->numlockmask = get_numlockmask(awesomeconf->display);
if(cfg_size(cfg_keys, "key"))
{
awesomeconf->keys = key = p_new(Key, 1);
for(j = 0; j < cfg_size(cfg_keys, "key"); j++)
{
cfgsectmp = cfg_getnsec(cfg_keys, "key", j);
for(l = 0; l < cfg_size(cfgsectmp, "modkey"); l++)
key->mod |= key_mask_lookup(cfg_getnstr(cfgsectmp, "modkey", l));
key->keysym = XStringToKeysym(cfg_getstr(cfgsectmp, "key"));
key->func = name_func_lookup(cfg_getstr(cfgsectmp, "command"), UicbList);
if(!key->func)
fprintf(stderr, "awesome: unknown command %s\n", cfg_getstr(cfgsectmp, "command"));
key->arg = a_strdup(cfg_getstr(cfgsectmp, "arg"));
if(j < cfg_size(cfg_keys, "key") - 1)
{
key->next = p_new(Key, 1);
key = key->next;
}
else
key->next = NULL;
}
}
else
awesomeconf->keys = NULL;
/* Free! Like a river! */
cfg_free(cfg);
p_delete(&confpath);
}
static unsigned int
get_numlockmask(Display *disp)
{
XModifierKeymap *modmap;
unsigned int mask = 0;
int i, j;
modmap = XGetModifierMapping(disp);
for(i = 0; i < 8; i++)
for(j = 0; j < modmap->max_keypermod; j++)
if(modmap->modifiermap[i * modmap->max_keypermod + j]
== XKeysymToKeycode(disp, XK_Num_Lock))
mask = (1 << i);
XFreeModifiermap(modmap);
return mask;
}
/** Initialize color from X side
* \param colorstr Color code
* \param disp Display ref
* \param scr Screen number
* \return XColor pixel
*/
static XColor
initxcolor(Display *disp, int scr, const char *colstr)
{
XColor color;
if(!XAllocNamedColor(disp, DefaultColormap(disp, scr), colstr, &color, &color))
die("awesome: error, cannot allocate color '%s'\n", colstr);
return color;
}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99
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