Adapting the whole surf structure to new settings

This commit is contained in:
Quentin Rameau 2015-11-29 17:42:42 +01:00
parent 11b34c0814
commit 75e3fe5b95
2 changed files with 233 additions and 155 deletions

View file

@ -139,7 +139,6 @@ static Key keys[] = {
{ MODKEY|GDK_SHIFT_MASK, GDK_KEY_a, togglecookiepolicy, { 0 } },
{ 0, GDK_KEY_F11, togglefullscreen, { 0 } },
{ MODKEY|GDK_SHIFT_MASK, GDK_KEY_o, toggleinspector, { 0 } },
{ MODKEY|GDK_SHIFT_MASK, GDK_KEY_m, togglestyle, { 0 } },
{ MODKEY|GDK_SHIFT_MASK, GDK_KEY_c, toggle, { .i = CaretBrowsing } },
{ MODKEY|GDK_SHIFT_MASK, GDK_KEY_f, toggle, { .i = FrameFlattening } },

387
surf.c
View file

@ -42,6 +42,17 @@
enum { AtomFind, AtomGo, AtomUri, AtomLast };
enum {
OnDoc = WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT,
OnLink = WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK,
OnImg = WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE,
OnMedia = WEBKIT_HIT_TEST_RESULT_CONTEXT_MEDIA,
OnEdit = WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE,
OnBar = WEBKIT_HIT_TEST_RESULT_CONTEXT_SCROLLBAR,
OnSel = WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION,
OnAny = OnDoc | OnLink | OnImg | OnMedia | OnEdit | OnBar | OnSel,
};
typedef enum {
CaretBrowsing,
CookiePolicies,
@ -68,17 +79,6 @@ typedef enum {
ParameterLast,
} ParamName;
enum {
OnDoc = WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT,
OnLink = WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK,
OnImg = WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE,
OnMedia = WEBKIT_HIT_TEST_RESULT_CONTEXT_MEDIA,
OnEdit = WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE,
OnBar = WEBKIT_HIT_TEST_RESULT_CONTEXT_SCROLLBAR,
OnSel = WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION,
OnAny = OnDoc | OnLink | OnImg | OnMedia | OnEdit | OnBar | OnSel,
};
typedef union {
int b;
int i;
@ -150,6 +150,8 @@ static void gettogglestats(Client *c);
static void getpagestats(Client *c);
static WebKitCookieAcceptPolicy cookiepolicy_get(void);
static char cookiepolicy_set(const WebKitCookieAcceptPolicy p);
static void seturiparameters(Client *c, const char *uri);
static void setparameter(Client *c, int refresh, ParamName p, const Arg *a);
static const char *getstyle(const char *uri);
static void setstyle(Client *c, const char *stylefile);
static void runscript(Client *c);
@ -203,7 +205,6 @@ static void stop(Client *c, const Arg *a);
static void toggle(Client *c, const Arg *a);
static void togglefullscreen(Client *c, const Arg *a);
static void togglecookiepolicy(Client *c, const Arg *a);
static void togglestyle(Client *c, const Arg *a);
static void toggleinspector(Client *c, const Arg *a);
static void find(Client *c, const Arg *a);
@ -224,6 +225,7 @@ static Client *clients;
static GdkDevice *gdkkb;
static char *stylefile;
static const char *useragent;
static Parameter *curconfig;
char *argv0;
/* configuration, allows nested code to access above variables */
@ -251,7 +253,7 @@ die(const char *errstr, ...)
void
setup(void)
{
int i;
int i, j;
/* clean up any zombies immediately */
sigchld(0);
@ -259,6 +261,8 @@ setup(void)
dpy = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
curconfig = defconfig;
/* atoms */
atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
@ -288,6 +292,24 @@ setup(void)
} else {
stylefile = buildfile(stylefile);
}
for (i = 0; i < LENGTH(uriparams); ++i) {
if (!regcomp(&(uriparams[i].re), uriparams[i].uri,
REG_EXTENDED)) {
/* copy default parameters if they are not already set
* or if they are forced */
for (j = 0; j < ParameterLast; ++j) {
if (!uriparams[i].config[j].force ||
defconfig[j].force)
uriparams[i].config[j] = defconfig[j];
}
} else {
fprintf(stderr,
"Could not compile regex: %s\n",
uriparams[i].uri);
uriparams[i].uri = NULL;
}
}
}
void
@ -456,7 +478,7 @@ updatetitle(Client *c)
const char *name = c->overtitle ? c->overtitle :
c->title ? c->title : "";
if (showindicators) {
if (curconfig[ShowIndicators].val.b) {
gettogglestats(c);
getpagestats(c);
@ -478,14 +500,14 @@ void
gettogglestats(Client *c)
{
togglestats[0] = cookiepolicy_set(cookiepolicy_get());
togglestats[1] = enablecaretbrowsing ? 'C' : 'c';
togglestats[2] = allowgeolocation ? 'G' : 'g';
togglestats[3] = enablecache ? 'D' : 'd';
togglestats[4] = loadimages ? 'I' : 'i';
togglestats[5] = enablescripts ? 'S' : 's';
togglestats[6] = enableplugins ? 'V' : 'v';
togglestats[7] = enablestyle ? 'M' : 'm';
togglestats[8] = enableframeflattening ? 'F' : 'f';
togglestats[1] = curconfig[CaretBrowsing].val.b ? 'C' : 'c';
togglestats[2] = curconfig[Geolocation].val.b ? 'G' : 'g';
togglestats[3] = curconfig[DiskCache].val.b ? 'D' : 'd';
togglestats[4] = curconfig[LoadImages].val.b ? 'I' : 'i';
togglestats[5] = curconfig[JavaScript].val.b ? 'S' : 's';
togglestats[6] = curconfig[Plugins].val.b ? 'V' : 'v';
togglestats[7] = curconfig[Style].val.b ? 'M' : 'm';
togglestats[8] = curconfig[FrameFlattening].val.b ? 'F' : 'f';
togglestats[9] = '\0';
}
@ -500,7 +522,7 @@ getpagestats(Client *c)
WebKitCookieAcceptPolicy
cookiepolicy_get(void)
{
switch (cookiepolicies[cookiepolicy]) {
switch (((char *)curconfig[CookiePolicies].val.v)[cookiepolicy]) {
case 'a':
return WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
case '@':
@ -509,7 +531,6 @@ cookiepolicy_get(void)
case 'A':
return WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
}
}
char
@ -524,7 +545,122 @@ cookiepolicy_set(const WebKitCookieAcceptPolicy p)
case WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS:
return 'A';
}
}
void
seturiparameters(Client *c, const char *uri)
{
int i;
for (i = 0; i < LENGTH(uriparams); ++i) {
if (uriparams[i].uri &&
!regexec(&(uriparams[i].re), uri, 0, NULL, 0)) {
curconfig = uriparams[i].config;
break;
}
}
for (i = 0; i < ParameterLast; ++i)
setparameter(c, 0, i, &curconfig[i].val);
}
void
setparameter(Client *c, int refresh, ParamName p, const Arg *a)
{
WebKitSettings *s = webkit_web_view_get_settings(c->view);
switch (p) {
case CaretBrowsing:
webkit_settings_set_enable_caret_browsing(s, a->b);
refresh = 0;
break;
case CookiePolicies:
webkit_cookie_manager_set_accept_policy(
webkit_web_context_get_cookie_manager(
webkit_web_view_get_context(c->view)),
cookiepolicy_get());
refresh = 0;
break;
case DiskCache:
webkit_web_context_set_cache_model(
webkit_web_view_get_context(c->view),
curconfig[DiskCache].val.b ?
WEBKIT_CACHE_MODEL_WEB_BROWSER :
WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
break;
case DNSPrefetch:
refresh = 0;
break;
case FontSize:
webkit_settings_set_default_font_size(
webkit_web_view_get_settings(c->view),
curconfig[FontSize].val.i);
break;
case FrameFlattening:
webkit_settings_set_enable_frame_flattening(s, a->b);
break;
case Geolocation:
break;
case HideBackground:
return; /* do nothing */
case Inspector:
return; /* do nothing */
case JavaScript:
webkit_settings_set_enable_javascript(s, a->b);
break;
case KioskMode:
return; /* do nothing */
case LoadImages:
webkit_settings_set_auto_load_images(s, a->b);
break;
case Plugins:
webkit_settings_set_enable_plugins(s, a->b);
break;
case PreferredLanguages:
return; /* do nothing */
case RunInFullscreen:
return; /* do nothing */
case ScrollBars:
/* Disabled until we write some WebKitWebExtension for
* manipulating the DOM directly.
enablescrollbars = !enablescrollbars;
evalscript(c, "document.documentElement.style.overflow = '%s'",
enablescrollbars ? "auto" : "hidden");
*/
refresh = 0;
break;
case ShowIndicators:
return; /* do nothing */
case SpellChecking:
webkit_web_context_set_spell_checking_enabled(
webkit_web_view_get_context(c->view),
curconfig[SpellChecking].val.b);
return; /* do nothing */
case SpellLanguages:
return; /* do nothing */
case StrictSSL:
webkit_web_context_set_tls_errors_policy(
webkit_web_view_get_context(c->view),
curconfig[StrictSSL].val.b ? WEBKIT_TLS_ERRORS_POLICY_FAIL :
WEBKIT_TLS_ERRORS_POLICY_IGNORE);
return; /* do nothing */
case Style:
if (curconfig[Style].val.b)
setstyle(c, getstyle(geturi(c)));
else
webkit_user_content_manager_remove_all_style_sheets(
webkit_web_view_get_user_content_manager(c->view));
refresh = 0;
break;
case ZoomLevel:
return; /* do nothing */
default:
return; /* do nothing */
}
updatetitle(c);
if (refresh)
reload(c, a);
}
const char *
@ -612,30 +748,30 @@ newwindow(Client *c, const Arg *a, int noembed)
cmd[i++] = argv0;
cmd[i++] = "-a";
cmd[i++] = cookiepolicies;
cmd[i++] = enablescrollbars ? "-B" : "-b";
cmd[i++] = curconfig[CookiePolicies].val.v;
cmd[i++] = curconfig[ScrollBars].val.b ? "-B" : "-b";
if (cookiefile && g_strcmp0(cookiefile, "")) {
cmd[i++] = "-c";
cmd[i++] = cookiefile;
}
cmd[i++] = enablecache ? "-D" : "-d";
cmd[i++] = curconfig[DiskCache].val.b ? "-D" : "-d";
if (embed && !noembed) {
cmd[i++] = "-e";
snprintf(tmp, LENGTH(tmp), "%lu", embed);
cmd[i++] = tmp;
}
cmd[i++] = runinfullscreen ? "-F" : "-f";
cmd[i++] = allowgeolocation ? "-G" : "-g";
cmd[i++] = loadimages ? "-I" : "-i";
cmd[i++] = kioskmode ? "-K" : "-k";
cmd[i++] = enablestyle ? "-M" : "-m";
cmd[i++] = enableinspector ? "-N" : "-n";
cmd[i++] = enableplugins ? "-P" : "-p";
cmd[i++] = curconfig[RunInFullscreen].val.b ? "-F" : "-f" ;
cmd[i++] = curconfig[Geolocation].val.b ? "-G" : "-g" ;
cmd[i++] = curconfig[LoadImages].val.b ? "-I" : "-i" ;
cmd[i++] = curconfig[KioskMode].val.b ? "-K" : "-k" ;
cmd[i++] = curconfig[Style].val.b ? "-M" : "-m" ;
cmd[i++] = curconfig[Inspector].val.b ? "-N" : "-n" ;
cmd[i++] = curconfig[Plugins].val.b ? "-P" : "-p" ;
if (scriptfile && g_strcmp0(scriptfile, "")) {
cmd[i++] = "-r";
cmd[i++] = scriptfile;
}
cmd[i++] = enablescripts ? "-S" : "-s";
cmd[i++] = curconfig[JavaScript].val.b ? "-S" : "-s";
if (stylefile && g_strcmp0(stylefile, "")) {
cmd[i++] = "-t";
cmd[i++] = stylefile;
@ -729,17 +865,17 @@ newview(Client *c, WebKitWebView *rv)
webkit_web_view_new_with_related_view(rv));
} else {
settings = webkit_settings_new_with_settings(
"auto-load-images", loadimages,
"default-font-size", defaultfontsize,
"enable-caret-browsing", enablecaretbrowsing,
"enable-developer-extras", enableinspector,
"enable-dns-prefetching", enablednsprefetching,
"enable-frame-flattening", enableframeflattening,
"enable-html5-database", enablecache,
"enable-html5-local-storage", enablecache,
"enable-javascript", enablescripts,
"enable-plugins", enableplugins,
NULL);
"auto-load-images", curconfig[LoadImages].val.b,
"default-font-size", curconfig[FontSize].val.f,
"enable-caret-browsing", curconfig[CaretBrowsing].val.b,
"enable-developer-extras", curconfig[Inspector].val.b,
"enable-dns-prefetching", curconfig[DNSPrefetch].val.b,
"enable-frame-flattening", curconfig[FrameFlattening].val.b,
"enable-html5-database", curconfig[DiskCache].val.b,
"enable-html5-local-storage", curconfig[DiskCache].val.b,
"enable-javascript", curconfig[JavaScript].val.b,
"enable-plugins", curconfig[Plugins].val.b,
NULL);
/* For mor interesting settings, have a look at
* http://webkitgtk.org/reference/webkit2gtk/stable/WebKitSettings.html */
@ -764,12 +900,12 @@ newview(Client *c, WebKitWebView *rv)
webkit_web_context_set_process_model(context,
WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
/* ssl */
webkit_web_context_set_tls_errors_policy(context, strictssl ?
WEBKIT_TLS_ERRORS_POLICY_FAIL :
webkit_web_context_set_tls_errors_policy(context,
curconfig[StrictSSL].val.b ? WEBKIT_TLS_ERRORS_POLICY_FAIL :
WEBKIT_TLS_ERRORS_POLICY_IGNORE);
/* disk cache */
webkit_web_context_set_cache_model(context, enablecache ?
WEBKIT_CACHE_MODEL_WEB_BROWSER :
webkit_web_context_set_cache_model(context,
curconfig[DiskCache].val.b ? WEBKIT_CACHE_MODEL_WEB_BROWSER :
WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
/* Currently only works with text file to be compatible with curl */
@ -782,11 +918,11 @@ newview(Client *c, WebKitWebView *rv)
cookiepolicy_get());
/* languages */
webkit_web_context_set_preferred_languages(context,
preferedlanguages);
curconfig[PreferredLanguages].val.v);
webkit_web_context_set_spell_checking_languages(context,
spellinglanguages);
curconfig[SpellLanguages].val.v);
webkit_web_context_set_spell_checking_enabled(context,
enablespellchecking);
curconfig[SpellChecking].val.b);
g_signal_connect(G_OBJECT(context), "download-started",
G_CALLBACK(downloadstarted), c);
@ -907,7 +1043,7 @@ winevent(GtkWidget *w, GdkEvent *e, Client *c)
updatetitle(c);
break;
case GDK_KEY_PRESS:
if (!kioskmode) {
if (!curconfig[KioskMode].val.b) {
for (i = 0; i < LENGTH(keys); ++i) {
if (gdk_keyval_to_lower(e->key.keyval) ==
keys[i].keyval &&
@ -943,7 +1079,7 @@ showview(WebKitWebView *v, Client *c)
GdkWindow *gwin;
c->finder = webkit_web_view_get_find_controller(c->view);
if (enableinspector)
if (curconfig[Inspector].val.b)
c->inspector = webkit_web_view_get_inspector(c->view);
c->win = createwindow(c);
@ -960,19 +1096,20 @@ showview(WebKitWebView *v, Client *c)
puts(winid);
}
if (hidebackground)
if (curconfig[HideBackground].val.b)
webkit_web_view_set_background_color(c->view, &bgcolor);
if (!kioskmode) {
if (!curconfig[KioskMode].val.b) {
gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
gdk_window_add_filter(gwin, processx, c);
}
if (runinfullscreen)
if (curconfig[RunInFullscreen].val.b)
togglefullscreen(c, NULL);
if (zoomlevel != 1.0)
webkit_web_view_set_zoom_level(c->view, zoomlevel);
if (curconfig[ZoomLevel].val.f != 1.0)
webkit_web_view_set_zoom_level(c->view,
curconfig[ZoomLevel].val.f);
setatom(c, AtomFind, "");
setatom(c, AtomUri, "about:blank");
@ -1022,6 +1159,7 @@ loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c)
switch (e) {
case WEBKIT_LOAD_STARTED:
curconfig = defconfig;
setatom(c, AtomUri, title);
c->title = title;
c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
@ -1037,8 +1175,8 @@ loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c)
&(c->tlsflags)))
c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
if (enablestyle)
setstyle(c, getstyle(geturi(c)));
setatom(c, AtomUri, geturi(c));
seturiparameters(c, geturi(c));
break;
case WEBKIT_LOAD_FINISHED:
/* Disabled until we write some WebKitWebExtension for
@ -1093,7 +1231,7 @@ gboolean
permissionrequested(WebKitWebView *v, WebKitPermissionRequest *r, Client *c)
{
if (WEBKIT_IS_GEOLOCATION_PERMISSION_REQUEST(r)) {
if (allowgeolocation)
if (curconfig[Geolocation].val.b)
webkit_permission_request_allow(r);
else
webkit_permission_request_deny(r);
@ -1302,13 +1440,15 @@ void
zoom(Client *c, const Arg *a)
{
if (a->i > 0)
webkit_web_view_set_zoom_level(c->view, zoomlevel + 0.1);
webkit_web_view_set_zoom_level(c->view,
curconfig[ZoomLevel].val.f + 0.1);
else if (a->i < 0)
webkit_web_view_set_zoom_level(c->view, zoomlevel - 0.1);
webkit_web_view_set_zoom_level(c->view,
curconfig[ZoomLevel].val.f - 0.1);
else
webkit_web_view_set_zoom_level(c->view, 1.0);
zoomlevel = webkit_web_view_get_zoom_level(c->view);
curconfig[ZoomLevel].val.f = webkit_web_view_get_zoom_level(c->view);
}
void
@ -1364,49 +1504,8 @@ stop(Client *c, const Arg *a)
void
toggle(Client *c, const Arg *a)
{
WebKitSettings *s = webkit_web_view_get_settings(c->view);
switch ((unsigned int)a->i) {
case CaretBrowsing:
enablecaretbrowsing = !enablecaretbrowsing;
webkit_settings_set_enable_caret_browsing(s,
enablecaretbrowsing);
updatetitle(c);
return; /* do not reload */
break;
case FrameFlattening:
enableframeflattening = !enableframeflattening;
webkit_settings_set_enable_frame_flattening(s,
enableframeflattening);
break;
case Geolocation:
allowgeolocation = !allowgeolocation;
break;
case JavaScript:
enablescripts = !enablescripts;
webkit_settings_set_enable_javascript(s, enablescripts);
break;
case LoadImages:
loadimages = !loadimages;
webkit_settings_set_auto_load_images(s, loadimages);
break;
case Plugins:
enableplugins = !enableplugins;
webkit_settings_set_enable_plugins(s, enableplugins);
break;
case ScrollBars:
/* Disabled until we write some WebKitWebExtension for
* manipulating the DOM directly.
enablescrollbars = !enablescrollbars;
evalscript(c, "document.documentElement.style.overflow = '%s'",
enablescrollbars ? "auto" : "hidden");
*/
return; /* do not reload */
break;
default:
break;
}
reload(c, a);
curconfig[a->i].val.b ^= 1;
setparameter(c, 1, (ParamName)a->i, &curconfig[a->i].val);
}
void
@ -1423,35 +1522,15 @@ void
togglecookiepolicy(Client *c, const Arg *a)
{
++cookiepolicy;
cookiepolicy %= strlen(cookiepolicies);
cookiepolicy %= strlen(curconfig[CookiePolicies].val.v);
webkit_cookie_manager_set_accept_policy(
webkit_web_context_get_cookie_manager(
webkit_web_view_get_context(c->view)),
cookiepolicy_get());
updatetitle(c);
/* Do not reload. */
}
void
togglestyle(Client *c, const Arg *a)
{
enablestyle = !enablestyle;
if (enablestyle)
setstyle(c, getstyle(geturi(c)));
else
webkit_user_content_manager_remove_all_style_sheets(
webkit_web_view_get_user_content_manager(c->view));
updatetitle(c);
setparameter(c, 0, CookiePolicies, NULL);
}
void
toggleinspector(Client *c, const Arg *a)
{
if (enableinspector) {
if (curconfig[Inspector].val.b) {
if (webkit_web_inspector_is_attached(c->inspector))
webkit_web_inspector_close(c->inspector);
else
@ -1520,76 +1599,76 @@ main(int argc, char *argv[])
/* command line args */
ARGBEGIN {
case 'a':
cookiepolicies = EARGF(usage());
defconfig FSETV(CookiePolicies, EARGF(usage()));
break;
case 'b':
enablescrollbars = 0;
defconfig FSETB(ScrollBars, 0);
break;
case 'B':
enablescrollbars = 1;
defconfig FSETB(ScrollBars, 1);
break;
case 'c':
cookiefile = EARGF(usage());
break;
case 'd':
enablecache = 0;
defconfig FSETB(DiskCache, 0);
break;
case 'D':
enablecache = 1;
defconfig FSETB(DiskCache, 1);
break;
case 'e':
embed = strtol(EARGF(usage()), NULL, 0);
break;
case 'f':
runinfullscreen = 0;
defconfig FSETB(RunInFullscreen, 0);
break;
case 'F':
runinfullscreen = 1;
defconfig FSETB(RunInFullscreen, 1);
break;
case 'g':
allowgeolocation = 0;
defconfig FSETB(Geolocation, 0);
break;
case 'G':
allowgeolocation = 1;
defconfig FSETB(Geolocation, 1);
break;
case 'i':
loadimages = 0;
defconfig FSETB(LoadImages, 0);
break;
case 'I':
loadimages = 1;
defconfig FSETB(LoadImages, 1);
break;
case 'k':
kioskmode = 0;
defconfig FSETB(KioskMode, 0);
break;
case 'K':
kioskmode = 1;
defconfig FSETB(KioskMode, 1);
break;
case 'm':
enablestyle = 0;
defconfig FSETB(Style, 0);
break;
case 'M':
enablestyle = 1;
defconfig FSETB(Style, 1);
break;
case 'n':
enableinspector = 0;
defconfig FSETB(Inspector, 0);
break;
case 'N':
enableinspector = 1;
defconfig FSETB(Inspector, 1);
break;
case 'p':
enableplugins = 0;
defconfig FSETB(Plugins, 0);
break;
case 'P':
enableplugins = 1;
defconfig FSETB(Plugins, 1);
break;
case 'r':
scriptfile = EARGF(usage());
break;
case 's':
enablescripts = 0;
defconfig FSETB(JavaScript, 0);
break;
case 'S':
enablescripts = 1;
defconfig FSETB(JavaScript, 1);
break;
case 't':
stylefile = EARGF(usage());
@ -1604,7 +1683,7 @@ main(int argc, char *argv[])
showxid = 1;
break;
case 'z':
zoomlevel = strtof(EARGF(usage()), NULL);
defconfig FSETF(ZoomLevel, strtof(EARGF(usage()), NULL));
break;
default:
usage();