am 8ebf3558: Merge "Implement support for ALT and SHIFT modifiers" (78240a91) · Commits · e / os / platform_frameworks_native

libs/ui/InputDispatcher.cpp

+22 −0

Original line number	Diff line number	Diff line
		@@ -37,7 +37,9 @@
		// Log debug messages about the app switch latency optimization.
		#define DEBUG_APP_SWITCH 0

		#include <android/input.h>
		#include <cutils/log.h>
		#include <ui/Input.h>
		#include <ui/InputDispatcher.h>
		#include <ui/PowerManager.h>

		@@ -2094,6 +2096,26 @@ void InputDispatcher::notifyKey(nsecs_t eventTime, int32_t deviceId, int32_t sou
		return;
		}

		/* According to http://source.android.com/porting/keymaps_keyboard_input.html
		* Key definitions: Key definitions follow the syntax key SCANCODE KEYCODE [FLAGS...],
		* where SCANCODE is a number, KEYCODE is defined in your specific keylayout file
		* (android.keylayout.xxx), and potential FLAGS are defined as follows:
		* SHIFT: While pressed, the shift key modifier is set
		* ALT: While pressed, the alt key modifier is set
		* CAPS: While pressed, the caps lock key modifier is set
		* Since KeyEvent.java doesn't check if Cap lock is ON and we don't have a
		* modifer state for cap lock, we will not support it.
		*/
		if (policyFlags & POLICY_FLAG_ALT) {
		metaState \|= AMETA_ALT_ON \| AMETA_ALT_LEFT_ON;
		}
		if (policyFlags & POLICY_FLAG_ALT_GR) {
		metaState \|= AMETA_ALT_ON \| AMETA_ALT_RIGHT_ON;
		}
		if (policyFlags & POLICY_FLAG_SHIFT) {
		metaState \|= AMETA_SHIFT_ON \| AMETA_SHIFT_LEFT_ON;
		}

		policyFlags \|= POLICY_FLAG_TRUSTED;
		mPolicy->interceptKeyBeforeQueueing(eventTime, deviceId, action, /byref/ flags,
		keyCode, scanCode, /byref/ policyFlags);