diff options
Diffstat (limited to 'chromium/ui/events/ozone/evdev/event_device_info.h')
| -rw-r--r-- | chromium/ui/events/ozone/evdev/event_device_info.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/chromium/ui/events/ozone/evdev/event_device_info.h b/chromium/ui/events/ozone/evdev/event_device_info.h index b4b1c05c233..492539bd83a 100644 --- a/chromium/ui/events/ozone/evdev/event_device_info.h +++ b/chromium/ui/events/ozone/evdev/event_device_info.h @@ -9,6 +9,7 @@ #include <linux/input.h> #include "base/basictypes.h" +#include "ui/events/ozone/evdev/events_ozone_evdev_export.h" #define EVDEV_LONG_BITS (CHAR_BIT * sizeof(long)) #define EVDEV_BITS_TO_LONGS(x) (((x) + EVDEV_LONG_BITS - 1) / EVDEV_LONG_BITS) @@ -19,7 +20,7 @@ namespace ui { // // This stores and queries information about input devices; in // particular it knows which events the device can generate. -class EventDeviceInfo { +class EVENTS_OZONE_EVDEV_EXPORT EventDeviceInfo { public: EventDeviceInfo(); ~EventDeviceInfo(); @@ -36,9 +37,23 @@ class EventDeviceInfo { bool HasSwEvent(unsigned int code) const; bool HasLedEvent(unsigned int code) const; + // Properties of absolute axes. + int32 GetAbsMinimum(unsigned int code) const; + int32 GetAbsMaximum(unsigned int code) const; + // Check input device properties. bool HasProp(unsigned int code) const; + // Has absolute X & Y axes. + bool HasAbsXY() const; + + // Has relativeX & Y axes. + bool HasRelXY() const; + + // Determine whether absolute device X/Y coordinates are mapped onto the + // screen. This is the case for touchscreens and tablets but not touchpads. + bool IsMappedToScreen() const; + private: unsigned long ev_bits_[EVDEV_BITS_TO_LONGS(EV_CNT)]; unsigned long key_bits_[EVDEV_BITS_TO_LONGS(KEY_CNT)]; @@ -49,6 +64,8 @@ class EventDeviceInfo { unsigned long led_bits_[EVDEV_BITS_TO_LONGS(LED_CNT)]; unsigned long prop_bits_[EVDEV_BITS_TO_LONGS(INPUT_PROP_CNT)]; + struct input_absinfo abs_info_[ABS_CNT]; + DISALLOW_COPY_AND_ASSIGN(EventDeviceInfo); }; |