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[client] config: enhance input:escapeKey to accept a KEY_* string value

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This makes it possible to define the escape key by name rather then just
it's integer code, while still allowing fallback to using an integer
value for codes that may not be defined.

Example: `input:escapeKey=KEY_F1`

An invalid string value will also print a list of all valid string
values.
This commit is contained in:
Geoffrey McRae 2022-05-15 16:05:11 +10:00
parent 0a768a5a7f
commit 0a9a9ed57e
1 changed files with 42 additions and 1 deletions
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43
client/src/config.c
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@ -42,6 +42,8 @@ static char * optPosToString (struct Option * opt);
static bool optSizeParse (struct Option * opt, const char * str);
static StringList optSizeValues (struct Option * opt);
static char * optSizeToString (struct Option * opt);
static bool optScancodeParse (struct Option * opt, const char * str);
static StringList optScancodeValues (struct Option * opt);
static bool optScancodeValidate(struct Option * opt, const char ** error);
static char * optScancodeToString(struct Option * opt);
static bool optRotateValidate (struct Option * opt, const char ** error);
@ -310,10 +312,12 @@ static struct Option options[] =
{
.module = "input",
.name = "escapeKey",
.description = "Specify the escape key, see <linux/input-event-codes.h> for valid values",
.description = "Specify the escape/menu key to use (use \"help\" to see valid values)",
.shortopt = 'm',
.type = OPTION_TYPE_INT,
.value.x_int = KEY_SCROLLLOCK,
.parser = optScancodeParse,
.getValues = optScancodeValues,
.validator = optScancodeValidate,
.toString = optScancodeToString,
},
@ -862,6 +866,20 @@ static char * optSizeToString(struct Option * opt)
return str;
}
static StringList optScancodeValues(struct Option * opt)
{
StringList sl = stringlist_new(false);
if (!sl)
return NULL;
// this typecast is safe as the stringlist doesn't own the values
for(unsigned int i = 0; i < KEY_MAX; ++i)
if (linux_to_str[i])
stringlist_push(sl, (char *)linux_to_str[i]);
return sl;
}
static bool optScancodeValidate(struct Option * opt, const char ** error)
{
if (opt->value.x_int >= 0 && opt->value.x_int < KEY_MAX)
@ -871,6 +889,29 @@ static bool optScancodeValidate(struct Option * opt, const char ** error)
return false;
}
static bool optScancodeParse(struct Option * opt, const char * str)
{
for(unsigned int i = 0; i < KEY_MAX; ++i)
{
if (!linux_to_str[i])
continue;
if (strcasecmp(linux_to_str[i], str) == 0)
{
opt->value.x_int = i;
return true;
}
}
// fallback for pre-keycode name support
char * end;
opt->value.x_int = strtol(str, &end, 10);
if (*end)
return false;
return true;
}
static char * optScancodeToString(struct Option * opt)
{
char * str;