From be3fe0da9995e59d32b4eb52368a012c0c18de85 Mon Sep 17 00:00:00 2001 From: Henrik Rydberg Date: Tue, 4 Nov 2008 20:59:19 +0100 Subject: a bit further towards something useful. currently linking problems Signed-off-by: Henrik Rydberg --- src/multitouch.c | 364 ++++++++++++++++++++++++------------------------------- 1 file changed, 161 insertions(+), 203 deletions(-) (limited to 'src/multitouch.c') diff --git a/src/multitouch.c b/src/multitouch.c index 537ab69..2c9b98a 100644 --- a/src/multitouch.c +++ b/src/multitouch.c @@ -1,11 +1,8 @@ /*************************************************************************** * - * addon-generic-kbd-backlight.c: + * Multitouch X driver * Copyright (C) 2008 Henrik Rydberg * - * Based on addon-generic-backlight.c: - * Copyright (C) 2008 Danny Kukawka - * * Licensed under the Academic Free License version 2.1 * * This program is free software; you can redistribute it and/or modify @@ -24,218 +21,179 @@ * **************************************************************************/ -#include -#include -#include -#include -#include -#include -#include - -#include "glib-abi.h" -#include "dbus-abi.h" -#include "hal-abi.h" - -#define HAL_PROPERTY "org.freedesktop.Hal.Device.KeyboardBacklight" - -static const char prop_name[] = HAL_PROPERTY; -static const char prop_invalid[] = HAL_PROPERTY ".Invalid"; -static const char prop_set[] = "SetBrightness"; -static const char prop_get[] = "GetBrightness"; - -static struct GMainLoop *main_loop; -static struct LibHalContext *halctx; -static struct DBusConnection *conn; - -static char sysfs_path[512]; -static int levels; - -/** - * Get keyboard backlight level - * - * Tries to read from the specified sysfs device, and if successful, - * updates the internal keyboard backlight state. Warns if the device - * cannot be opened or be read from. Always returns the last succesful - * read. - */ -static int get_kbd_backlight() +#include "xorg-server.h" +#include +#include +#include +#include +#include + +//////////////////////////////////////////////////////////////////////////// + +//#define BTN_MT_RAW_DATA 0x210 /* multitouch device */ +#define BTN_TOOL_PRESS 0x148 /* The trackpad is a physical button */ +#define BTN_MT_RAW_DATA 0x14b /* multitouch device */ +#define BTN_MT_RAW_FINGER 0x14c /* multitouch device */ +#define BTN_TOOL_QUADTAP 0x14f /* Four fingers on trackpad */ + +#define ABS_MT_TOUCH 0x30 +#define ABS_MT_TOUCH_MAJOR 0x30 +#define ABS_MT_TOUCH_MINOR 0x31 +#define ABS_MT_WIDTH 0x32 +#define ABS_MT_WIDTH_MAJOR 0x32 +#define ABS_MT_WIDTH_MINOR 0x33 +#define ABS_MT_ORIENTATION 0x34 +#define ABS_MT_POSITION_X 0x35 +#define ABS_MT_POSITION_Y 0x36 + +typedef int bool; + +#define ADDCAP(s, c, x) strcat(s, c->has_##x ? " " #x : "") + +//////////////////////////////////////////////////////////////////////////// + +struct Capabilities { + bool has_left, has_middle; + bool has_right, has_mtdata; + bool has_touch_major, has_touch_minor; + bool has_width_major, has_width_minor; + bool has_orientation, has_dummy; + bool has_position_x, has_position_y; + struct input_absinfo abs_touch_major; + struct input_absinfo abs_touch_minor; + struct input_absinfo abs_width_major; + struct input_absinfo abs_width_minor; + struct input_absinfo abs_orientation; + struct input_absinfo abs_position_x; + struct input_absinfo abs_position_y; +}; + +//////////////////////////////////////////////////////////////////////////// + +static int read_capabilities(struct Capabilities *cap, int fd) { - static int level; - int fd; - char buf[64]; - - fd = open(sysfs_path, O_RDONLY); - if (fd < 0) { - HAL_WARNING(("Could not open '%s'", sysfs_path)); - return level; - } - - memset(buf, 0, sizeof(buf)); - if (read(fd, buf, sizeof(buf)) < 0) - HAL_WARNING(("Could not read from '%s'", sysfs_path)); - else - level = atoi(buf); - - close(fd); - return level; + unsigned long evbits[NBITS(EV_MAX)]; + unsigned long absbits[NBITS(ABS_MAX)]; + unsigned long keybits[NBITS(KEY_MAX)]; + int rc; + + memset(cap, 0, sizeof(struct Capabilities)); + + SYSCALL(rc = ioctl(fd, EVIOCGBIT(EV_SYN, sizeof(evbits)), evbits)); + if (rc < 0) + return rc; + SYSCALL(rc = ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits)); + if (rc < 0) + return rc; + SYSCALL(rc = ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbits)), absbits)); + if (rc < 0) + return rc; + + cap->has_left = TEST_BIT(BTN_LEFT, keybits); + cap->has_middle = TEST_BIT(BTN_MIDDLE, keybits); + cap->has_right = TEST_BIT(BTN_RIGHT, keybits); + cap->has_mtdata = TEST_BIT(BTN_MT_RAW_DATA, keybits); + + SYSCALL(rc = ioctl(fd, EVIOCGABS(ABS_MT_TOUCH_MAJOR), + &cap->abs_touch_major)); + cap->has_touch_major = rc >= 0; } -/** - * Set keyboard backlight level - * - * Warns if the device cannot be opened or be written to. - * Returns bytes written on success, negative value on failure. - */ -static int set_kbd_backlight(int level) +static int output_capabilities(const struct Capabilities *cap) { - int fd, ret; - char buf[64]; - - sprintf(buf, "%d", level); - - fd = open(sysfs_path, O_WRONLY); - if (fd < 0) { - HAL_WARNING(("Could not open '%s'", sysfs_path)); - return -1; - } - - ret = write(fd, buf, strlen(buf)); - if (ret < 0) - HAL_WARNING(("Could not write '%s' to '%s'", buf, sysfs_path)); - - close(fd); - return ret; + char line[1024]; + ADDCAP(line, cap, left); + ADDCAP(line, cap, middle); + ADDCAP(line, cap, right); + ADDCAP(line, cap, mtdata); + ADDCAP(line, cap, touch_major); + ADDCAP(line, cap, touch_minor); + ADDCAP(line, cap, width_major); + ADDCAP(line, cap, width_minor); + ADDCAP(line, cap, orientation); + ADDCAP(line, cap, position_x); + ADDCAP(line, cap, position_y); + xf86Msg(X_INFO, "multitouch: caps:%s\n", line); } -/* DBus set keyboard backlight level */ -static struct DBusMessage *dbus_get_kbd_backlight(struct DBusMessage *msg) +static InputInfoPtr preinit(InputDriverPtr drv, IDevPtr dev, int flags) { - struct DBusError err; - struct DBusMessage *reply; - int level; - - dbus_error_init(&err); - if (!dbus_message_get_args(msg, &err, DBUS_TYPE_INVALID)) - return dbus_message_new_error(msg, prop_invalid, - "Invalid message"); - - level = get_kbd_backlight(); - - reply = dbus_message_new_method_return(msg); - if (reply) - dbus_message_append_args(reply, DBUS_TYPE_INT32, &level, - DBUS_TYPE_INVALID); - - return reply; + InputInfoPtr local = xf86AllocateInput(drv, 0); + if (!local) + goto error; + + local->name = dev->identifier; + local->type_name = XI_TOUCHPAD; + local->device_control = 0;//DeviceControl; + local->read_input = 0;//ReadInput; + local->control_proc = 0;//ControlProc; + local->close_proc = 0;//CloseProc; + local->switch_mode = 0;//SwitchMode; + local->conversion_proc = 0;//ConvertProc; + local->reverse_conversion_proc = NULL; + local->dev = NULL; + local->private = 0;//priv; + local->private_flags = 0; + local->flags = XI86_POINTER_CAPABLE | XI86_SEND_DRAG_EVENTS; + local->conf_idev = dev; + //local->motion_history_proc = xf86GetMotionEvents; + //local->history_size = 0; + local->always_core_feedback = 0; + + xf86CollectInputOptions(local, NULL, NULL); + xf86OptionListReport(local->options); + + local->fd = xf86OpenSerial(local->options); + if (local->fd < 0) { + xf86Msg(X_ERROR, "multitouch: cannot open device\n"); + goto error; + } + struct Capabilities cap; + read_capabilities(&cap, local->fd); + output_capabilities(&cap); + xf86CloseSerial(local->fd); + local->fd = -1; + local->flags |= XI86_CONFIGURED; + error: + return local; } -/* DBus set keyboard backlight level */ -static struct DBusMessage *dbus_set_kbd_backlight(struct DBusMessage *msg) +static void uninit(InputDriverPtr drv, InputInfoPtr local, int flags) { - struct DBusError err; - int level; - - dbus_error_init(&err); - if (!dbus_message_get_args(msg, &err, DBUS_TYPE_INT32, &level, - DBUS_TYPE_INVALID)) - return dbus_message_new_error(msg, prop_invalid, - "Brightness level argument missing"); - - if (level < 0 || level > levels - 1) - return dbus_message_new_error(msg, prop_invalid, - "Brightness level is invalid"); - - set_kbd_backlight(level); - - return dbus_message_new_method_return(msg); + xf86DeleteInput(local, 0); } -/* DBus filter function */ -static DBusHandlerResult filter_function(struct DBusConnection *connection, - struct DBusMessage *message, - void *userdata) +//////////////////////////////////////////////////////////////////////////// + +static InputDriverRec MULTITOUCH = { + 1, + "multitouch", + NULL, + preinit, + uninit, + NULL, + 0 +}; + +static XF86ModuleVersionInfo VERSION = { + "multitouch", + MODULEVENDORSTRING, + MODINFOSTRING1, + MODINFOSTRING2, + XORG_VERSION_CURRENT, + 0, 1, 0, + ABI_CLASS_XINPUT, + ABI_XINPUT_VERSION, + MOD_CLASS_XINPUT, + {0, 0, 0, 0} +}; + +static pointer setup(pointer module, pointer options, int *errmaj, int *errmin) { - struct DBusMessage *reply = NULL; - - if (dbus_message_is_method_call(message, prop_name, prop_get)) - reply = dbus_get_kbd_backlight(message); - else if (dbus_message_is_method_call(message, prop_name, prop_set)) - reply = dbus_set_kbd_backlight(message); - - if (reply) { - dbus_connection_send(connection, reply, NULL); - dbus_message_unref(reply); - } - - return DBUS_HANDLER_RESULT_HANDLED; + xf86AddInputDriver(&MULTITOUCH, module, 0); + return module; } -int main(int argc, char *argv[]) -{ - struct DBusError err; - struct stat fs; - - char *udi = getenv("UDI"); - char *path = getenv("HAL_PROP_LINUX_SYSFS_PATH"); - char *level_str = getenv("HAL_PROP_KEYBOARD_BACKLIGHT_NUM_LEVELS"); - - setup_logger(); - - if (udi == NULL) { - HAL_ERROR(("No device specified")); - return -2; - } - if (path == NULL) { - HAL_ERROR(("No sysfs path specified")); - return -2; - } - if (level_str == NULL) { - HAL_ERROR(("No keyboard_backlight.num_levels defined")); - return -2; - } - - levels = atoi(level_str); - snprintf(sysfs_path, sizeof(sysfs_path), "%s/brightness", path); - - HAL_DEBUG(("udi='%s', path='%s', levels='%d'", udi, path, levels)); - - if (stat(sysfs_path, &fs)) { - HAL_ERROR(("The sysfs property path does not exist")); - return -2; - } - - dbus_error_init(&err); - halctx = libhal_ctx_init_direct(&err); - - if (halctx == NULL) { - HAL_ERROR(("Cannot connect to hald")); - return -3; - } - - conn = libhal_ctx_get_dbus_connection(halctx); - dbus_connection_setup_with_g_main(conn, NULL); - - dbus_connection_add_filter(conn, filter_function, NULL, NULL); - - if (!libhal_device_claim_interface(halctx, udi, prop_name, - " \n" - " \n" - " \n" - " \n" - " \n" - " \n", - &err)) { - HAL_ERROR(("Cannot claim interface '" HAL_PROPERTY "'")); - return -4; - } - - dbus_error_init(&err); - if (!libhal_device_addon_is_ready(halctx, udi, &err)) - return -4; - - main_loop = g_main_loop_new(NULL, FALSE); - g_main_loop_run(main_loop); - - return 0; -} +XF86ModuleData multitouchModuleData = {&VERSION, &setup, NULL }; +//////////////////////////////////////////////////////////////////////////// -- cgit v1.2.3