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awesome/config.c

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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 "util.h"
#include "awesome.h"
#include "screen.h"
#include "draw.h"
#include "event.h"
#include "tag.h"
#include "statusbar.h"
#include "layout.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;
/** List of available UI bindable callbacks and functions */
const NameFuncLink UicbList[] = {
/* util.c */
{"spawn", uicb_spawn},
{"exec", uicb_exec},
/* client.c */
{"killclient", uicb_killclient},
{"moveresize", uicb_moveresize},
{"settrans", uicb_settrans},
{"setborder", uicb_setborder},
{"swapnext", uicb_swapnext},
{"swapprev", uicb_swapprev},
/* tag.c */
{"tag", uicb_tag},
{"togglefloating", uicb_togglefloating},
{"toggleview", uicb_toggleview},
{"toggletag", uicb_toggletag},
{"view", uicb_view},
{"view_tag_prev_selected", uicb_tag_prev_selected},
{"view_tag_previous", uicb_tag_viewprev},
{"view_tag_next", uicb_tag_viewnext},
/* layout.c */
{"setlayout", uicb_setlayout},
{"focusnext", uicb_focusnext},
{"focusprev", uicb_focusprev},
{"togglemax", uicb_togglemax},
{"toggleverticalmax", uicb_toggleverticalmax},
{"togglehorizontalmax", uicb_togglehorizontalmax},
{"zoom", uicb_zoom},
/* layouts/tile.c */
{"setmwfact", uicb_setmwfact},
{"setnmaster", uicb_setnmaster},
{"setncol", uicb_setncol},
/* screen.c */
{"focusnextscreen", uicb_focusnextscreen},
{"focusprevscreen", uicb_focusprevscreen},
{"movetoscreen", uicb_movetoscreen},
/* awesome.c */
{"quit", uicb_quit},
/* statusbar.c */
{"togglebar", uicb_togglebar},
/* config.c */
{"reloadconfig", uicb_reloadconfig},
{"setstatustext", uicb_setstatustext},
{NULL, NULL}
};
/** 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, 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 0;
}
/** 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_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_INT((char *) "nmaster", 1, CFGF_NONE),
CFG_INT((char *) "ncol", 1, CFGF_NONE),
CFG_END()
};
static cfg_opt_t screen_opts[] =
{
CFG_SEC((char *) "statusbar", statusbar_opts, CFGF_NONE),
CFG_SEC((char *) "tags", tags_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_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_STR((char *) "modkey", (char *) "Mod4", CFGF_NONE),
CFG_SEC((char *) "key", key_opts, CFGF_MULTI),
CFG_END()
};
static cfg_opt_t opts[] =
{
CFG_SEC((char *) "general", general_opts, CFGF_NONE),
CFG_SEC((char *) "colors", colors_opts, CFGF_NONE),
CFG_SEC((char *) "screen", screen_opts, CFGF_TITLE | CFGF_MULTI),
CFG_SEC((char *) "layouts", layouts_opts, CFGF_NONE),
CFG_SEC((char *) "rules", rules_opts, CFGF_NONE),
CFG_SEC((char *) "keys", keys_opts, CFGF_NONE),
CFG_END()
};
cfg_t *cfg, *cfg_general, *cfg_colors, *cfg_screen, *cfg_statusbar,
*cfg_tags, *cfg_layouts, *cfg_rules, *cfg_keys, *cfgsectmp;
int i = 0, k = 0, ret;
unsigned int j = 0;
const char *tmp, *homedir;
char *confpath, buf[2];
KeySym tmp_key;
ssize_t confpath_len;
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);
a_strcpy(awesomeconf->statustext, sizeof(awesomeconf->statustext), "awesome-" VERSION " (" RELEASE ")");
awesomeconf->phys_screen = get_phys_screen(awesomeconf->display, awesomeconf->screen);
cfg = cfg_init(opts, CFGF_NONE);
ret = cfg_parse(cfg, confpath);
if(ret == CFG_FILE_ERROR)
perror("awesome: parsing configuration file failed");
else if(ret == CFG_PARSE_ERROR)
cfg_error(cfg, "awesome: parsing configuration file %s failed.\n", confpath);
/* get the right screen section */
snprintf(buf, sizeof(buf), "%d", awesomeconf->screen);
cfg_screen = cfg_gettsec(cfg, "screen", buf);
if(!cfg_screen)
cfg_screen = cfg_getsec(cfg, "screen");
/* get screen specific sections */
cfg_statusbar = cfg_getsec(cfg_screen, "statusbar");
cfg_tags = cfg_getsec(cfg_screen, "tags");
/* get general sections */
cfg_general = cfg_getsec(cfg, "general");
cfg_colors = cfg_getsec(cfg, "colors");
cfg_layouts = cfg_getsec(cfg, "layouts");
cfg_rules = cfg_getsec(cfg, "rules");
cfg_keys = cfg_getsec(cfg, "keys");
/* General section */
awesomeconf->borderpx = cfg_getint(cfg_general, "border");
awesomeconf->snap = cfg_getint(cfg_general, "snap");
awesomeconf->resize_hints = cfg_getbool(cfg_general, "resize_hints");
awesomeconf->opacity_unfocused = cfg_getint(cfg_general, "opacity_unfocused");
awesomeconf->focus_move_pointer = cfg_getbool(cfg_general, "focus_move_pointer");
awesomeconf->allow_lower_floats = cfg_getbool(cfg_general, "allow_lower_floats");
awesomeconf->font = XftFontOpenName(awesomeconf->display, awesomeconf->phys_screen, cfg_getstr(cfg_general, "font"));
if(!awesomeconf->font)
eprint("awesome: cannot init font\n");
/* Colors */
awesomeconf->colors_normal[ColBorder] = initxcolor(awesomeconf->display, awesomeconf->phys_screen, cfg_getstr(cfg_colors, "normal_border"));
awesomeconf->colors_normal[ColBG] = initxcolor(awesomeconf->display, awesomeconf->phys_screen, cfg_getstr(cfg_colors, "normal_bg"));
awesomeconf->colors_normal[ColFG] = initxcolor(awesomeconf->display, awesomeconf->phys_screen, cfg_getstr(cfg_colors, "normal_fg"));
awesomeconf->colors_selected[ColBorder] = initxcolor(awesomeconf->display, awesomeconf->phys_screen, cfg_getstr(cfg_colors, "focus_border"));
awesomeconf->colors_selected[ColBG] = initxcolor(awesomeconf->display, awesomeconf->phys_screen, cfg_getstr(cfg_colors, "focus_bg"));
awesomeconf->colors_selected[ColFG] = initxcolor(awesomeconf->display, awesomeconf->phys_screen, cfg_getstr(cfg_colors, "focus_fg"));
/* Statusbar */
tmp = cfg_getstr(cfg_statusbar, "position");
if(tmp && !a_strncmp(tmp, "off", 6))
awesomeconf->statusbar.dposition = BarOff;
else if(tmp && !a_strncmp(tmp, "bottom", 6))
awesomeconf->statusbar.dposition = BarBot;
else
awesomeconf->statusbar.dposition = BarTop;
awesomeconf->statusbar.position = awesomeconf->statusbar.dposition;
/* Layouts */
awesomeconf->nlayouts = cfg_size(cfg_layouts, "layout");
awesomeconf->layouts = p_new(Layout, awesomeconf->nlayouts);
for(i = 0; i < awesomeconf->nlayouts; i++)
{
cfgsectmp = cfg_getnsec(cfg_layouts, "layout", i);
awesomeconf->layouts[i].arrange = name_func_lookup(cfg_title(cfgsectmp), LayoutsList);
if(!awesomeconf->layouts[i].arrange)
{
fprintf(stderr, "awesome: unknown layout #%d in configuration file\n", i);
awesomeconf->layouts[i].symbol = NULL;
continue;
}
awesomeconf->layouts[i].symbol = a_strdup(cfg_getstr(cfgsectmp, "symbol"));
}
awesomeconf->nmaster = cfg_getint(cfg_layouts, "nmaster");
awesomeconf->ncol = cfg_getint(cfg_layouts, "ncol");
if(!awesomeconf->nlayouts)
eprint("awesome: fatal: no default layout available\n");
/* Rules */
awesomeconf->nrules = cfg_size(cfg_rules, "rule");
awesomeconf->rules = p_new(Rule, awesomeconf->nrules);
for(i = 0; i < awesomeconf->nrules; i++)
{
cfgsectmp = cfg_getnsec(cfg_rules, "rule", i);
awesomeconf->rules[i].prop = a_strdup(cfg_getstr(cfgsectmp, "name"));
awesomeconf->rules[i].tags = a_strdup(cfg_getstr(cfgsectmp, "tags"));
if(!a_strlen(awesomeconf->rules[i].tags))
awesomeconf->rules[i].tags = NULL;
awesomeconf->rules[i].isfloating = cfg_getbool(cfgsectmp, "float");
}
compileregs(awesomeconf->rules, awesomeconf->nrules);
/* Tags */
awesomeconf->ntags = cfg_size(cfg_tags, "tag");
awesomeconf->tags = p_new(Tag, awesomeconf->ntags);
for(i = 0; i < awesomeconf->ntags; i++)
{
cfgsectmp = cfg_getnsec(cfg_tags, "tag", i);
awesomeconf->tags[i].name = a_strdup(cfg_title(cfgsectmp));
awesomeconf->tags[i].selected = False;
awesomeconf->tags[i].was_selected = False;
tmp = cfg_getstr(cfgsectmp, "layout");
for(k = 0; k < awesomeconf->nlayouts; k++)
if(awesomeconf->layouts[k].arrange == name_func_lookup(tmp, LayoutsList))
break;
if(k == awesomeconf->nlayouts)
k = 0;
awesomeconf->tags[i].layout = &awesomeconf->layouts[k];
awesomeconf->tags[i].mwfact = cfg_getfloat(cfgsectmp, "mwfact");
}
if(!awesomeconf->ntags)
eprint("awesome: fatal: no tags found in configuration file\n");
/* select first tag by default */
awesomeconf->tags[0].selected = True;
awesomeconf->tags[0].was_selected = True;
/* Keys */
tmp_key = key_mask_lookup(cfg_getstr(cfg_keys, "modkey"));
awesomeconf->modkey = tmp_key ? tmp_key : Mod4Mask;
awesomeconf->numlockmask = get_numlockmask(awesomeconf->display);
awesomeconf->nkeys = cfg_size(cfg_keys, "key");
awesomeconf->keys = p_new(Key, awesomeconf->nkeys);
for(i = 0; i < awesomeconf->nkeys; i++)
{
cfgsectmp = cfg_getnsec(cfg_keys, "key", i);
for(j = 0; j < cfg_size(cfgsectmp, "modkey"); j++)
awesomeconf->keys[i].mod |= key_mask_lookup(cfg_getnstr(cfgsectmp, "modkey", j));
awesomeconf->keys[i].keysym = XStringToKeysym(cfg_getstr(cfgsectmp, "key"));
awesomeconf->keys[i].func = name_func_lookup(cfg_getstr(cfgsectmp, "command"), UicbList);
awesomeconf->keys[i].arg = a_strdup(cfg_getstr(cfgsectmp, "arg"));
}
/* 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;
}
void
uicb_reloadconfig(awesome_config *awesomeconf,
const char *arg __attribute__ ((unused)))
{
int i, j, tag, screen, screen_count = get_screen_count(awesomeconf->display);
awesome_config *awesomeconf_first = &awesomeconf[-awesomeconf->screen];
int *old_ntags, old_c_ntags, new_c_ntags, **mapping;
char ***savetagnames;
Client ***savetagclientsel;
char *configpath = a_strdup(awesomeconf_first->configpath);
Bool ***savetagselected;
Bool *old_c_tags;
Client *c, *clients;
/* Save tag information */
savetagnames = p_new(char **, screen_count);
savetagclientsel = p_new(Client **, screen_count);
savetagselected = p_new(Bool **, screen_count);
clients = *awesomeconf_first->clients;
for (screen = 0; screen < screen_count; screen ++)
{
savetagnames[screen] = p_new(char *, awesomeconf_first[screen].ntags);
savetagclientsel[screen] = p_new(Client *, awesomeconf_first[screen].ntags);
savetagselected[screen] = p_new(Bool *, awesomeconf_first[screen].ntags);
for (tag = 0; tag < awesomeconf_first[screen].ntags; tag++)
{
savetagnames[screen][tag] = a_strdup(awesomeconf_first[screen].tags[tag].name);
savetagclientsel[screen][tag] = awesomeconf_first[screen].tags[tag].client_sel;
savetagselected[screen][tag] = p_new(Bool, 2);
savetagselected[screen][tag][0] = awesomeconf_first[screen].tags[tag].selected;
savetagselected[screen][tag][1] = awesomeconf_first[screen].tags[tag].was_selected;
}
}
old_ntags = p_new(int, screen_count);
for (screen = 0; screen < screen_count; screen ++)
old_ntags[screen] = awesomeconf_first[screen].ntags;
mapping = p_new(int*, screen_count);
for(screen = 0; screen < screen_count; screen++)
{
/* Cleanup screens and reload their config. */
cleanup_screen(&awesomeconf_first[screen]);
setup_screen(&awesomeconf_first[screen], configpath);
/* Compute a mapping of tags between the old and new config, based on
* tag names. */
mapping[screen] = p_new(int, awesomeconf_first[screen].ntags);
for (i = 0; i < awesomeconf_first[screen].ntags; i ++)
{
mapping[screen][i] = -1;
for (j = 0; j < old_ntags[screen]; j ++)
if (!a_strcmp(savetagnames[screen][j], awesomeconf_first[screen].tags[i].name))
{
mapping[screen][i] = j;
break;
}
}
/* Reinitialize the tags' client lists and selected client. */
*awesomeconf_first[screen].clients = clients;
for (tag = 0; tag < awesomeconf_first[screen].ntags; tag++)
if (mapping[screen][tag] >= 0)
{
awesomeconf_first[screen].tags[tag].client_sel = savetagclientsel[screen][mapping[screen][tag]];
awesomeconf_first[screen].tags[tag].selected = savetagselected[screen][mapping[screen][tag]][0];
awesomeconf_first[screen].tags[tag].was_selected = savetagselected[screen][mapping[screen][tag]][1];
}
drawstatusbar(&awesomeconf_first[screen]);
}
/* Reinitialize the 'tags' array of each client.
* Clients are assigned to the tags of the same name as in the previous
* awesomerc, or to tag #1 otherwise. */
for (c = *awesomeconf_first->clients; c; c = c->next)
{
old_c_ntags = old_ntags[c->screen];
new_c_ntags = awesomeconf_first[c->screen].ntags;
old_c_tags = c->tags;
c->tags = p_new(Bool, new_c_ntags);
for (i = 0; i < new_c_ntags; i ++)
if (mapping[c->screen][i] >= 0)
c->tags[i] = old_c_tags[mapping[c->screen][i]];
p_delete(&old_c_tags);
for (i = 0; i < new_c_ntags && c->tags[i] == 0; i++) {}
if (i == new_c_ntags)
c->tags[0] = 1;
saveprops(c, awesomeconf_first[c->screen].ntags);
if (!loadprops(c, awesomeconf_first[c->screen].ntags))
applyrules(c, awesomeconf_first);
}
/* Cleanup after ourselves */
for(screen = 0; screen < screen_count; screen++)
{
for(i = 0; i < old_ntags[screen]; i++)
{
p_delete(&savetagnames[screen][i]);
p_delete(&savetagselected[screen][i]);
}
p_delete(&savetagselected[screen]);
p_delete(&savetagnames[screen]);
p_delete(&mapping[screen]);
p_delete(&savetagclientsel[screen]);
}
p_delete(&mapping);
p_delete(&savetagselected);
p_delete(&savetagnames);
p_delete(&old_ntags);
p_delete(&savetagclientsel);
p_delete(&configpath);
for (screen = 0; screen < screen_count; screen ++)
arrange(&awesomeconf_first[screen]);
}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99
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