diff options
Diffstat (limited to 'firmware/target/hosted/android/button-android.c')
-rw-r--r-- | firmware/target/hosted/android/button-android.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/firmware/target/hosted/android/button-android.c b/firmware/target/hosted/android/button-android.c new file mode 100644 index 0000000000..67e8ca1f89 --- /dev/null +++ b/firmware/target/hosted/android/button-android.c @@ -0,0 +1,87 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (c) 2010 Thomas Martitz + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + + +#include <jni.h> +#include <stdbool.h> +#include "config.h" +#include "kernel.h" +#include "system.h" +#include "touchscreen.h" + +static long last_touch; +static int last_y, last_x; + +static enum { + STATE_UNKNOWN, + STATE_UP, + STATE_DOWN, +} last_state = STATE_UNKNOWN; + + +/* + * this writes in an interrupt-like fashion the last pixel coordinates + * that the user pressed on the screen */ +JNIEXPORT void JNICALL +Java_org_rockbox_RockboxFramebuffer_pixelHandler(JNIEnv*env, jobject this, + int x, int y) +{ + (void)env; + (void)this; + last_x = x; + last_y = y; + last_touch = current_tick; +} + +/* + * this notifies us in an interrupt-like fashion whether the user just + * began or stopped the touch action */ +JNIEXPORT void JNICALL +Java_org_rockbox_RockboxFramebuffer_touchHandler(JNIEnv*env, jobject this, + int down) +{ + (void)env; + (void)this; + if (down) + last_state = STATE_DOWN; + else + last_state = STATE_UP; +} + +void button_init_device(void) +{ + last_touch = current_tick; +} + +int button_read_device(int *data) +{ + /* get grid button/coordinates based on the current touchscreen mode */ + int btn = touchscreen_to_pixels(last_x, last_y, data); + if (last_state == STATE_DOWN) + { + return btn; + } + else + { + *data = last_x = last_y = 0; + return 0; + } +} |