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awesome/config.c

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/*
* config.c - configuration management
*
* Copyright © 2007-2008 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.
*
*/
/* XStringToKeysym() */
#include <X11/Xlib.h>
#include <errno.h>
#include "config.h"
#include "statusbar.h"
#include "tag.h"
#include "rules.h"
#include "screen.h"
#include "widget.h"
#include "defconfig.h"
#include "layouts/tile.h"
#include "common/configopts.h"
#include "common/xutil.h"
/* Permit to use mouse with many more buttons */
#ifndef XCB_BUTTON_INDEX_6
#define XCB_BUTTON_INDEX_6 6
#endif
#ifndef XCB_BUTTON_INDEX_7
#define XCB_BUTTON_INDEX_7 7
#endif
extern AwesomeConf globalconf;
extern cfg_opt_t awesome_opts[];
/** Link a name to a key symbol */
typedef struct
{
const char *name;
xcb_keysym_t keysym;
} KeyMod;
/** Link a name to a mouse button symbol */
typedef struct
{
const char *name;
unsigned int button;
} MouseButton;
extern const name_func_link_t UicbList[];
extern const name_func_link_t WidgetList[];
extern const name_func_link_t LayoutList[];
extern const name_func_link_t FloatingPlacementList[];
/** Lookup for a key mask from its name
* \param keyname Key name
* \return Key mask or 0 if not found
*/
static xcb_keysym_t
key_mask_lookup(const char *keyname)
{
/** List of keyname and corresponding X11 mask codes */
static const KeyMod KeyModList[] =
{
{"Shift", XCB_MOD_MASK_SHIFT},
{"Lock", XCB_MOD_MASK_LOCK},
{"Control", XCB_MOD_MASK_CONTROL},
{"Mod1", XCB_MOD_MASK_1},
{"Mod2", XCB_MOD_MASK_2},
{"Mod3", XCB_MOD_MASK_3},
{"Mod4", XCB_MOD_MASK_4},
{"Mod5", XCB_MOD_MASK_5},
{NULL, XCB_NO_SYMBOL}
};
int i;
if(keyname)
for(i = 0; KeyModList[i].name; i++)
if(!a_strcmp(keyname, KeyModList[i].name))
return KeyModList[i].keysym;
return 0;
}
/** 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)
{
/** List of button name and corresponding X11 mask codes */
static const MouseButton MouseButtonList[] =
{
{"1", XCB_BUTTON_INDEX_1},
{"2", XCB_BUTTON_INDEX_2},
{"3", XCB_BUTTON_INDEX_3},
{"4", XCB_BUTTON_INDEX_4},
{"5", XCB_BUTTON_INDEX_5},
{"6", XCB_BUTTON_INDEX_6},
{"7", XCB_BUTTON_INDEX_7},
{NULL, 0}
};
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)
{
int i, j;
cfg_t *cfgsectmp;
Button *b = NULL, *head = NULL;
/* Mouse: layout click bindings */
for(i = cfg_size(cfg, secname) - 1; i >= 0; i--)
{
b = p_new(Button, 1);
cfgsectmp = cfg_getnsec(cfg, secname, i);
for(j = cfg_size(cfgsectmp, "modkey") - 1; j >= 0; 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)
warn("unknown command %s\n", cfg_getstr(cfgsectmp, "command"));
if(handle_arg)
b->arg = a_strdup(cfg_getstr(cfgsectmp, "arg"));
else
b->arg = NULL;
button_list_push(&head, b);
}
return head;
}
static void
set_key_info(Key *key, cfg_t *cfg)
{
unsigned int j;
for(j = 0; j < cfg_size(cfg, "modkey"); j++)
key->mod |= key_mask_lookup(cfg_getnstr(cfg, "modkey", j));
key->func = name_func_lookup(cfg_getstr(cfg, "command"), UicbList);
if(!key->func)
warn("unknown command %s\n", cfg_getstr(cfg, "command"));
}
static void
config_key_store(Key *key, char *str)
{
xcb_keycode_t kc;
xcb_keysym_t ks;
int ikc;
if(!a_strlen(str))
return;
else if(a_strncmp(str, "#", 1))
key->keysym = XStringToKeysym(str);
else
{
ikc = atoi(str + 1);
memcpy(&kc, &ikc, sizeof(KeyCode));
key->keycode = kc;
}
}
static Key *
section_keys(cfg_t *cfg_keys)
{
Key *key = NULL, *head = NULL;
int i, j, numkeys;
cfg_t *cfgkeytmp;
for(i = cfg_size(cfg_keys, "key") - 1; i >= 0; i--)
{
key = p_new(Key, 1);
cfgkeytmp = cfg_getnsec(cfg_keys, "key", i);
set_key_info(key, cfgkeytmp);
config_key_store(key, cfg_getstr(cfgkeytmp, "key"));
key->arg = a_strdup(cfg_getstr(cfgkeytmp, "arg"));
key_list_push(&head, key);
}
for(i = cfg_size(cfg_keys, "keylist") - 1; i >= 0; i--)
{
cfgkeytmp = cfg_getnsec(cfg_keys, "keylist", i);
numkeys = cfg_size(cfgkeytmp, "keylist");
if(numkeys != (int) cfg_size(cfgkeytmp, "arglist"))
{
warn("number of keys != number of args in keylist");
continue;
}
for(j = 0; j < numkeys; j++)
{
key = p_new(Key, 1);
set_key_info(key, cfgkeytmp);
config_key_store(key, cfg_getnstr(cfgkeytmp, "keylist", j));
key->arg = a_strdup(cfg_getnstr(cfgkeytmp, "arglist", j));
key_list_push(&head, key);
}
}
return head;
}
static int
cmp_widget_cfg(const void *a, const void *b)
{
if (((cfg_t*)a)->line < ((cfg_t*)b)->line)
return -1;
if (((cfg_t*)a)->line > ((cfg_t*)b)->line)
return 1;
return 0;
}
static void
statusbar_widgets_create(cfg_t *cfg_statusbar, Statusbar *statusbar)
{
cfg_t* widgets, *wptr;
Widget *widget = NULL;
unsigned int i, j, numwidgets = 0;
WidgetConstructor *widget_new;
for(i = 0; WidgetList[i].name; i++)
numwidgets += cfg_size(cfg_statusbar, WidgetList[i].name);
wptr = widgets = p_new(cfg_t, numwidgets);
for(i = 0; WidgetList[i].name; i++)
for (j = 0; j < cfg_size(cfg_statusbar, WidgetList[i].name); j++)
{
memcpy(wptr,
cfg_getnsec(cfg_statusbar, WidgetList[i].name, j),
sizeof(cfg_t));
wptr++;
}
qsort(widgets, numwidgets, sizeof(cfg_t), cmp_widget_cfg);
for(i = 0; i < numwidgets; i++)
{
wptr = &widgets[i];
widget_new = name_func_lookup(cfg_name(wptr), WidgetList);
if(widget_new)
{
widget = widget_new(statusbar, wptr);
widget_list_append(&statusbar->widgets, widget);
widget->buttons = parse_mouse_bindings(wptr, "mouse",
a_strcmp(cfg_name(wptr), "taglist") ? true : false);
}
else
warn("ignoring unknown widget: %s.\n", cfg_name(widgets + i));
}
p_delete(&widgets);
}
static void
config_section_titlebar_init(cfg_t *cfg_titlebar, Titlebar *tb, int screen)
{
int phys_screen = screen_virttophys(screen);
cfg_t *cfg_styles = cfg_getsec(cfg_titlebar, "styles");
tb->position = tb->dposition = cfg_getposition(cfg_titlebar, "position");
tb->align = cfg_getalignment(cfg_titlebar, "align");
tb->text_align = cfg_getalignment(cfg_titlebar, "text_align");
tb->width = cfg_getint(cfg_titlebar, "width");
tb->height = cfg_getint(cfg_titlebar, "height");
draw_style_init(globalconf.connection, phys_screen,
cfg_getsec(cfg_styles, "normal"),
&tb->styles.normal,
&globalconf.screens[screen].styles.normal);
draw_style_init(globalconf.connection, phys_screen,
cfg_getsec(cfg_styles, "focus"),
&tb->styles.focus,
&globalconf.screens[screen].styles.focus);
draw_style_init(globalconf.connection, phys_screen,
cfg_getsec(cfg_styles, "urgent"),
&tb->styles.urgent,
&globalconf.screens[screen].styles.urgent);
}
static void
config_parse_screen(cfg_t *cfg, int screen)
{
char buf[2];
const char *tmp;
FloatingPlacement flpl;
Layout *layout = NULL;
Tag *tag = NULL;
Statusbar *statusbar = NULL;
cfg_t *cfg_general, *cfg_styles, *cfg_screen, *cfg_tags,
*cfg_layouts, *cfg_padding, *cfgsectmp, *cfg_titlebar,
*cfg_styles_normal, *cfg_styles_focus, *cfg_styles_urgent;
VirtScreen *virtscreen = &globalconf.screens[screen];
int i, phys_screen = screen_virttophys(screen);
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)
{
warn("parsing configuration file failed, no screen section found\n");
cfg_parse_buf(cfg, AWESOME_DEFAULT_CONFIG);
cfg_screen = cfg_getsec(cfg, "screen");
}
/* get screen specific sections */
cfg_tags = cfg_getsec(cfg_screen, "tags");
cfg_styles = cfg_getsec(cfg_screen, "styles");
cfg_general = cfg_getsec(cfg_screen, "general");
cfg_titlebar = cfg_getsec(cfg_screen, "titlebar");
cfg_layouts = cfg_getsec(cfg_screen, "layouts");
cfg_padding = cfg_getsec(cfg_screen, "padding");
/* General section */
virtscreen->borderpx = cfg_getint(cfg_general, "border");
virtscreen->snap = cfg_getint(cfg_general, "snap");
virtscreen->resize_hints = cfg_getbool(cfg_general, "resize_hints");
virtscreen->sloppy_focus = cfg_getbool(cfg_general, "sloppy_focus");
virtscreen->sloppy_focus_raise = cfg_getbool(cfg_general, "sloppy_focus_raise");
virtscreen->new_become_master = cfg_getbool(cfg_general, "new_become_master");
virtscreen->new_get_focus = cfg_getbool(cfg_general, "new_get_focus");
virtscreen->opacity_unfocused = cfg_getfloat(cfg_general, "opacity_unfocused");
virtscreen->opacity_focused = cfg_getfloat(cfg_general, "opacity_focused");
virtscreen->floating_placement =
name_func_lookup(cfg_getstr(cfg_general, "floating_placement"),
FloatingPlacementList);
virtscreen->mwfact_lower_limit = cfg_getfloat(cfg_general, "mwfact_lower_limit");
virtscreen->mwfact_upper_limit = cfg_getfloat(cfg_general, "mwfact_upper_limit");
if(virtscreen->mwfact_upper_limit < virtscreen->mwfact_lower_limit)
{
warn("mwfact_upper_limit must be greater than mwfact_lower_limit\n");
virtscreen->mwfact_upper_limit = 0.9;
virtscreen->mwfact_lower_limit = 0.1;
}
if(!virtscreen->floating_placement)
{
warn("unknown floating placement: %s\n", cfg_getstr(cfg_general, "floating_placement"));
virtscreen->floating_placement = FloatingPlacementList[0].func;
}
/* Colors */
if(!cfg_styles)
eprint("no colors section found");
if(!(cfg_styles_normal = cfg_getsec(cfg_styles, "normal")))
eprint("no normal colors section found\n");
if(!(cfg_styles_focus = cfg_getsec(cfg_styles, "focus")))
eprint("no focus colors section found\n");
if(!(cfg_styles_urgent = cfg_getsec(cfg_styles, "urgent")))
eprint("no urgent colors section found\n");
draw_style_init(globalconf.connection, phys_screen,
cfg_styles_normal, &virtscreen->styles.normal, NULL);
draw_style_init(globalconf.connection, phys_screen,
cfg_styles_focus, &virtscreen->styles.focus, &virtscreen->styles.normal);
draw_style_init(globalconf.connection, phys_screen,
cfg_styles_urgent, &virtscreen->styles.urgent, &virtscreen->styles.normal);
if(!virtscreen->styles.normal.font)
eprint("no font available\n");
/* Titlebar */
config_section_titlebar_init(cfg_titlebar, &virtscreen->titlebar_default, screen);
/* Statusbar */
statusbar_list_init(&virtscreen->statusbar);
for(i = cfg_size(cfg_screen, "statusbar") - 1; i >= 0; i--)
{
statusbar = p_new(Statusbar, 1);
cfgsectmp = cfg_getnsec(cfg_screen, "statusbar", i);
statusbar->position = statusbar->dposition =
cfg_getposition(cfgsectmp, "position");
statusbar->height = cfg_getint(cfgsectmp, "height");
statusbar->width = cfg_getint(cfgsectmp, "width");
statusbar->name = a_strdup(cfg_title(cfgsectmp));
statusbar->screen = screen;
statusbar_preinit(statusbar);
statusbar_widgets_create(cfgsectmp, statusbar);
statusbar_list_push(&virtscreen->statusbar, statusbar);
}
/* Layouts */
layout_list_init(&virtscreen->layouts);
if((i = cfg_size(cfg_layouts, "layout")))
for(--i; i >= 0; i--)
{
layout = p_new(Layout, 1);
cfgsectmp = cfg_getnsec(cfg_layouts, "layout", i);
layout->arrange = name_func_lookup(cfg_title(cfgsectmp), LayoutList);
if(!layout->arrange)
{
warn("unknown layout %s in configuration file\n", cfg_title(cfgsectmp));
layout->image = NULL;
continue;
}
layout->image = a_strdup(cfg_getstr(cfgsectmp, "image"));
layout_list_push(&virtscreen->layouts, layout);
}
else
{
warn("no default layout available\n");
layout = p_new(Layout, 1);
layout->arrange = layout_tile;
layout_list_push(&virtscreen->layouts, layout);
}
/* Tags */
tag_list_init(&virtscreen->tags);
if((i = cfg_size(cfg_tags, "tag")))
for(--i; i >= 0; i--)
{
cfgsectmp = cfg_getnsec(cfg_tags, "tag", i);
tmp = cfg_getstr(cfgsectmp, "layout");
for(layout = virtscreen->layouts;
layout && layout->arrange != name_func_lookup(tmp, LayoutList);
layout = layout->next);
if(!layout)
layout = virtscreen->layouts;
tag = tag_new(cfg_title(cfgsectmp),
layout,
cfg_getfloat(cfgsectmp, "mwfact"),
cfg_getint(cfgsectmp, "nmaster"),
cfg_getint(cfgsectmp, "ncol"));
tag_push_to_screen(tag, screen);
}
else
{
warn("fatal: no tags found in configuration file\n");
tag = tag_new("default", virtscreen->layouts, 0.5, 1, 1);
tag_push_to_screen(tag, screen);
}
/* select first tag by default */
virtscreen->tags[0].selected = true;
virtscreen->tags[0].was_selected = true;
/* padding */
virtscreen->padding.top = cfg_getint(cfg_padding, "top");
virtscreen->padding.bottom = cfg_getint(cfg_padding, "bottom");
virtscreen->padding.left = cfg_getint(cfg_padding, "left");
virtscreen->padding.right = cfg_getint(cfg_padding, "right");
}
/** Parse configuration file and initialize some stuff
* \param confpatharg Path to configuration file
*/
void
config_parse(const char *confpatharg)
{
cfg_t *cfg, *cfg_rules, *cfg_keys, *cfg_mouse, *cfgsectmp;
int ret, screen, i;
char *confpath;
Rule *rule = NULL;
FILE *defconfig = NULL;
if(confpatharg)
confpath = a_strdup(confpatharg);
else
confpath = config_file();
globalconf.configpath = a_strdup(confpath);
cfg = cfg_new();
ret = cfg_parse(cfg, confpath);
switch(ret)
{
case CFG_FILE_ERROR:
warn("parsing configuration file failed: %s\n", strerror(errno));
if(!(defconfig = fopen(confpath, "w")))
warn("unable to create default configuration file: %s\n", strerror(errno));
break;
case CFG_PARSE_ERROR:
cfg_error(cfg, "W: awesome: parsing configuration file %s failed.\n", confpath);
break;
}
if(ret != CFG_SUCCESS)
{
warn("using default compile-time configuration\n");
cfg_free(cfg);
cfg = cfg_init(awesome_opts, CFGF_NONE);
cfg_parse_buf(cfg, AWESOME_DEFAULT_CONFIG);
}
/* get the right screen section */
for(screen = 0; screen < globalconf.screens_info->nscreen; screen++)
config_parse_screen(cfg, screen);
/* get general sections */
cfg_rules = cfg_getsec(cfg, "rules");
cfg_keys = cfg_getsec(cfg, "keys");
cfg_mouse = cfg_getsec(cfg, "mouse");
/* Rules */
rule_list_init(&globalconf.rules);
for(i = cfg_size(cfg_rules, "rule") - 1; i >= 0; i--)
{
rule = p_new(Rule, 1);
cfgsectmp = cfg_getnsec(cfg_rules, "rule", i);
rule->prop_r = rules_compile_regex(cfg_getstr(cfgsectmp, "name"));
rule->tags_r = rules_compile_regex(cfg_getstr(cfgsectmp, "tags"));
rule->xprop = a_strdup(cfg_getstr(cfgsectmp, "xproperty_name"));
rule->xpropval_r = rules_compile_regex(cfg_getstr(cfgsectmp, "xproperty_value"));
rule->icon = a_strdup(cfg_getstr(cfgsectmp, "icon"));
rule->isfloating = fuzzy_get_from_str(cfg_getstr(cfgsectmp, "float"));
rule->screen = cfg_getint(cfgsectmp, "screen");
rule->ismaster = fuzzy_get_from_str(cfg_getstr(cfgsectmp, "master"));
rule->opacity = cfg_getfloat(cfgsectmp, "opacity");
config_section_titlebar_init(cfg_getsec(cfgsectmp, "titlebar"), &rule->titlebar, 0);
if(rule->screen >= globalconf.screens_info->nscreen)
rule->screen = 0;
rule_list_push(&globalconf.rules, rule);
}
/* Mouse: root window click bindings */
globalconf.buttons.root = parse_mouse_bindings(cfg_mouse, "root", true);
/* Mouse: client windows click bindings */
globalconf.buttons.client = parse_mouse_bindings(cfg_mouse, "client", true);
/* Mouse: titlebar windows click bindings */
globalconf.buttons.titlebar = parse_mouse_bindings(cfg_mouse, "titlebar", true);
globalconf.keys = section_keys(cfg_keys);
if(defconfig)
{
fwrite(AWESOME_DEFAULT_CONFIG, a_strlen(AWESOME_DEFAULT_CONFIG), 1, defconfig);
fclose(defconfig);
}
/* Free! Like a river! */
cfg_free(cfg);
p_delete(&confpath);
}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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