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Always check for INVALID configs first

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Always check for invalid input first, then check if the input is supported by
the actual device.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2014-12-04 16:50:32 +10:00
parent 06720852fc
commit 1fa07bbafb
1 changed files with 9 additions and 9 deletions
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18
src/libinput.c
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@ -1462,12 +1462,12 @@ LIBINPUT_EXPORT enum libinput_config_status
libinput_device_config_accel_set_speed(struct libinput_device *device,
double speed)
{
if (!libinput_device_config_accel_is_available(device))
return LIBINPUT_CONFIG_STATUS_UNSUPPORTED;
if (speed < -1.0 || speed > 1.0)
return LIBINPUT_CONFIG_STATUS_INVALID;
if (!libinput_device_config_accel_is_available(device))
return LIBINPUT_CONFIG_STATUS_UNSUPPORTED;
return device->config.accel->set_speed(device, speed);
}
@ -1576,9 +1576,6 @@ LIBINPUT_EXPORT enum libinput_config_status
libinput_device_config_scroll_set_method(struct libinput_device *device,
enum libinput_config_scroll_method method)
{
if ((libinput_device_config_scroll_get_methods(device) & method) != method)
return LIBINPUT_CONFIG_STATUS_UNSUPPORTED;
/* Check method is a single valid method */
switch (method) {
case LIBINPUT_CONFIG_SCROLL_NO_SCROLL:
@ -1590,6 +1587,9 @@ libinput_device_config_scroll_set_method(struct libinput_device *device,
return LIBINPUT_CONFIG_STATUS_INVALID;
}
if ((libinput_device_config_scroll_get_methods(device) & method) != method)
return LIBINPUT_CONFIG_STATUS_UNSUPPORTED;
if (device->config.scroll_method)
return device->config.scroll_method->set_method(device, method);
else /* method must be _NO_SCROLL to get here */
@ -1618,13 +1618,13 @@ LIBINPUT_EXPORT enum libinput_config_status
libinput_device_config_scroll_set_button(struct libinput_device *device,
uint32_t button)
{
if (button && !libinput_device_has_button(device, button))
return LIBINPUT_CONFIG_STATUS_INVALID;
if ((libinput_device_config_scroll_get_methods(device) &
LIBINPUT_CONFIG_SCROLL_ON_BUTTON_DOWN) == 0)
return LIBINPUT_CONFIG_STATUS_UNSUPPORTED;
if (button && !libinput_device_has_button(device, button))
return LIBINPUT_CONFIG_STATUS_INVALID;
return device->config.scroll_method->set_button(device, button);
}