Adding upstream version 3.3.0+dfsg1.upstream/3.3.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 458 insertions, 0 deletions

diff --git a/client/Wayland/wlf_input.c b/client/Wayland/wlf_input.c
new file mode 100644
index 0000000..60603db
--- /dev/null
+++ b/client/Wayland/wlf_input.c
@@ -0,0 +1,458 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * Wayland Input
+ *
+ * Copyright 2014 Manuel Bachmann <tarnyko@tarnyko.net>
+ * Copyright 2015 David Fort <contact@hardening-consulting.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdlib.h>
+#include <float.h>
+
+#include <linux/input.h>
+
+#include <winpr/assert.h>
+
+#include <freerdp/config.h>
+#include <freerdp/locale/keyboard.h>
+#if defined(CHANNEL_RDPEI_CLIENT)
+#include <freerdp/client/rdpei.h>
+#endif
+#include <uwac/uwac.h>
+
+#include "wlfreerdp.h"
+#include "wlf_input.h"
+
+#define TAG CLIENT_TAG("wayland.input")
+
+static BOOL scale_signed_coordinates(rdpContext* context, int32_t* x, int32_t* y,
+                                     BOOL fromLocalToRDP)
+{
+	BOOL rc = 0;
+	UINT32 ux = 0;
+	UINT32 uy = 0;
+	WINPR_ASSERT(context);
+	WINPR_ASSERT(x);
+	WINPR_ASSERT(y);
+	WINPR_ASSERT(*x >= 0);
+	WINPR_ASSERT(*y >= 0);
+
+	ux = (UINT32)*x;
+	uy = (UINT32)*y;
+	rc = wlf_scale_coordinates(context, &ux, &uy, fromLocalToRDP);
+	WINPR_ASSERT(ux < INT32_MAX);
+	WINPR_ASSERT(uy < INT32_MAX);
+	*x = (int32_t)ux;
+	*y = (int32_t)uy;
+	return rc;
+}
+
+BOOL wlf_handle_pointer_enter(freerdp* instance, const UwacPointerEnterLeaveEvent* ev)
+{
+	uint32_t x = 0;
+	uint32_t y = 0;
+	rdpClientContext* cctx = NULL;
+
+	if (!instance || !ev)
+		return FALSE;
+
+	x = ev->x;
+	y = ev->y;
+
+	if (!wlf_scale_coordinates(instance->context, &x, &y, TRUE))
+		return FALSE;
+
+	WINPR_ASSERT(x <= UINT16_MAX);
+	WINPR_ASSERT(y <= UINT16_MAX);
+	cctx = (rdpClientContext*)instance->context;
+	return freerdp_client_send_button_event(cctx, FALSE, PTR_FLAGS_MOVE, x, y);
+}
+
+BOOL wlf_handle_pointer_motion(freerdp* instance, const UwacPointerMotionEvent* ev)
+{
+	uint32_t x = 0;
+	uint32_t y = 0;
+	rdpClientContext* cctx = NULL;
+
+	if (!instance || !ev)
+		return FALSE;
+
+	cctx = (rdpClientContext*)instance->context;
+	WINPR_ASSERT(cctx);
+
+	x = ev->x;
+	y = ev->y;
+
+	if (!wlf_scale_coordinates(instance->context, &x, &y, TRUE))
+		return FALSE;
+
+	WINPR_ASSERT(x <= UINT16_MAX);
+	WINPR_ASSERT(y <= UINT16_MAX);
+	return freerdp_client_send_button_event(cctx, FALSE, PTR_FLAGS_MOVE, x, y);
+}
+
+BOOL wlf_handle_pointer_buttons(freerdp* instance, const UwacPointerButtonEvent* ev)
+{
+	rdpClientContext* cctx = NULL;
+	UINT16 flags = 0;
+	UINT16 xflags = 0;
+	uint32_t x = 0;
+	uint32_t y = 0;
+
+	if (!instance || !ev)
+		return FALSE;
+
+	cctx = (rdpClientContext*)instance->context;
+	WINPR_ASSERT(cctx);
+
+	x = ev->x;
+	y = ev->y;
+
+	if (!wlf_scale_coordinates(instance->context, &x, &y, TRUE))
+		return FALSE;
+
+	if (ev->state == WL_POINTER_BUTTON_STATE_PRESSED)
+	{
+		flags |= PTR_FLAGS_DOWN;
+		xflags |= PTR_XFLAGS_DOWN;
+	}
+
+	switch (ev->button)
+	{
+		case BTN_LEFT:
+			flags |= PTR_FLAGS_BUTTON1;
+			break;
+
+		case BTN_RIGHT:
+			flags |= PTR_FLAGS_BUTTON2;
+			break;
+
+		case BTN_MIDDLE:
+			flags |= PTR_FLAGS_BUTTON3;
+			break;
+
+		case BTN_SIDE:
+			xflags |= PTR_XFLAGS_BUTTON1;
+			break;
+
+		case BTN_EXTRA:
+			xflags |= PTR_XFLAGS_BUTTON2;
+			break;
+
+		default:
+			return TRUE;
+	}
+
+	WINPR_ASSERT(x <= UINT16_MAX);
+	WINPR_ASSERT(y <= UINT16_MAX);
+
+	if ((flags & ~PTR_FLAGS_DOWN) != 0)
+		return freerdp_client_send_button_event(cctx, FALSE, flags, x, y);
+
+	if ((xflags & ~PTR_XFLAGS_DOWN) != 0)
+		return freerdp_client_send_extended_button_event(cctx, FALSE, xflags, x, y);
+
+	return FALSE;
+}
+
+BOOL wlf_handle_pointer_axis(freerdp* instance, const UwacPointerAxisEvent* ev)
+{
+	wlfContext* context = NULL;
+	if (!instance || !instance->context || !ev)
+		return FALSE;
+
+	context = (wlfContext*)instance->context;
+	return ArrayList_Append(context->events, ev);
+}
+
+BOOL wlf_handle_pointer_axis_discrete(freerdp* instance, const UwacPointerAxisEvent* ev)
+{
+	wlfContext* context = NULL;
+	if (!instance || !instance->context || !ev)
+		return FALSE;
+
+	context = (wlfContext*)instance->context;
+	return ArrayList_Append(context->events, ev);
+}
+
+static BOOL wlf_handle_wheel(freerdp* instance, uint32_t x, uint32_t y, uint32_t axis,
+                             int32_t value)
+{
+	rdpClientContext* cctx = NULL;
+	UINT16 flags = 0;
+	int32_t direction = 0;
+	uint32_t avalue = (uint32_t)abs(value);
+
+	WINPR_ASSERT(instance);
+
+	cctx = (rdpClientContext*)instance->context;
+	WINPR_ASSERT(cctx);
+
+	if (!wlf_scale_coordinates(instance->context, &x, &y, TRUE))
+		return FALSE;
+
+	direction = value;
+	switch (axis)
+	{
+		case WL_POINTER_AXIS_VERTICAL_SCROLL:
+			flags |= PTR_FLAGS_WHEEL;
+			if (direction > 0)
+				flags |= PTR_FLAGS_WHEEL_NEGATIVE;
+			break;
+
+		case WL_POINTER_AXIS_HORIZONTAL_SCROLL:
+			flags |= PTR_FLAGS_HWHEEL;
+			if (direction < 0)
+				flags |= PTR_FLAGS_WHEEL_NEGATIVE;
+			break;
+
+		default:
+			return FALSE;
+	}
+
+	/* Wheel rotation steps:
+	 *
+	 * positive: 0 ... 0xFF  -> slow ... fast
+	 * negative: 0 ... 0xFF  -> fast ... slow
+	 */
+
+	while (avalue > 0)
+	{
+		const UINT16 cval = (avalue > 0xFF) ? 0xFF : (UINT16)avalue;
+		UINT16 cflags = flags | cval;
+		/* Convert negative values to 9bit twos complement */
+		if (flags & PTR_FLAGS_WHEEL_NEGATIVE)
+			cflags = (flags & 0xFF00) | (0x100 - cval);
+		if (!freerdp_client_send_wheel_event(cctx, cflags))
+			return FALSE;
+
+		avalue -= cval;
+	}
+	return TRUE;
+}
+
+BOOL wlf_handle_pointer_frame(freerdp* instance, const UwacPointerFrameEvent* ev)
+{
+	BOOL success = TRUE;
+	BOOL handle = FALSE;
+	wlfContext* context = NULL;
+	enum wl_pointer_axis_source source = WL_POINTER_AXIS_SOURCE_CONTINUOUS;
+
+	if (!instance || !ev || !instance->context)
+		return FALSE;
+
+	context = (wlfContext*)instance->context;
+
+	for (size_t x = 0; x < ArrayList_Count(context->events); x++)
+	{
+		UwacEvent* cev = ArrayList_GetItem(context->events, x);
+		if (!cev)
+			continue;
+		if (cev->type == UWAC_EVENT_POINTER_SOURCE)
+		{
+			handle = TRUE;
+			source = cev->mouse_source.axis_source;
+		}
+	}
+
+	/* We need source events to determine how to interpret the data */
+	if (handle)
+	{
+		for (size_t x = 0; x < ArrayList_Count(context->events); x++)
+		{
+			UwacEvent* cev = ArrayList_GetItem(context->events, x);
+			if (!cev)
+				continue;
+
+			switch (source)
+			{
+				/* If we have a mouse wheel, just use discrete data */
+				case WL_POINTER_AXIS_SOURCE_WHEEL:
+#if defined(WL_POINTER_AXIS_SOURCE_WHEEL_TILT_SINCE_VERSION)
+				case WL_POINTER_AXIS_SOURCE_WHEEL_TILT:
+#endif
+					if (cev->type == UWAC_EVENT_POINTER_AXIS_DISCRETE)
+					{
+						/* Get the number of steps, multiply by default step width of 120 */
+						int32_t val = cev->mouse_axis.value * 0x78;
+						/* No wheel event received, success! */
+						if (!wlf_handle_wheel(instance, cev->mouse_axis.x, cev->mouse_axis.y,
+						                      cev->mouse_axis.axis, val))
+							success = FALSE;
+					}
+					break;
+					/* If we have a touch pad we get actual data, scale */
+				case WL_POINTER_AXIS_SOURCE_FINGER:
+				case WL_POINTER_AXIS_SOURCE_CONTINUOUS:
+					if (cev->type == UWAC_EVENT_POINTER_AXIS)
+					{
+						double dval = wl_fixed_to_double(cev->mouse_axis.value);
+						int32_t val = (int32_t)(dval * 0x78 / 10.0);
+						if (!wlf_handle_wheel(instance, cev->mouse_axis.x, cev->mouse_axis.y,
+						                      cev->mouse_axis.axis, val))
+							success = FALSE;
+					}
+					break;
+				default:
+					break;
+			}
+		}
+	}
+	ArrayList_Clear(context->events);
+	return success;
+}
+
+BOOL wlf_handle_pointer_source(freerdp* instance, const UwacPointerSourceEvent* ev)
+{
+	wlfContext* context = NULL;
+	if (!instance || !instance->context || !ev)
+		return FALSE;
+
+	context = (wlfContext*)instance->context;
+	return ArrayList_Append(context->events, ev);
+}
+
+BOOL wlf_handle_key(freerdp* instance, const UwacKeyEvent* ev)
+{
+	rdpInput* input = NULL;
+	DWORD rdp_scancode = 0;
+
+	if (!instance || !ev)
+		return FALSE;
+
+	WINPR_ASSERT(instance->context);
+	if (freerdp_settings_get_bool(instance->context->settings, FreeRDP_GrabKeyboard) &&
+	    ev->raw_key == KEY_RIGHTCTRL)
+		wlf_handle_ungrab_key(instance, ev);
+
+	input = instance->context->input;
+	rdp_scancode = freerdp_keyboard_get_rdp_scancode_from_x11_keycode(ev->raw_key + 8);
+
+	if (rdp_scancode == RDP_SCANCODE_UNKNOWN)
+		return TRUE;
+
+	return freerdp_input_send_keyboard_event_ex(input, ev->pressed, ev->repeated, rdp_scancode);
+}
+
+BOOL wlf_handle_ungrab_key(freerdp* instance, const UwacKeyEvent* ev)
+{
+	wlfContext* context = NULL;
+	if (!instance || !instance->context || !ev)
+		return FALSE;
+
+	context = (wlfContext*)instance->context;
+
+	return UwacSeatInhibitShortcuts(context->seat, false) == UWAC_SUCCESS;
+}
+
+BOOL wlf_keyboard_enter(freerdp* instance, const UwacKeyboardEnterLeaveEvent* ev)
+{
+	if (!instance || !ev)
+		return FALSE;
+
+	((wlfContext*)instance->context)->focusing = TRUE;
+	return TRUE;
+}
+
+BOOL wlf_keyboard_modifiers(freerdp* instance, const UwacKeyboardModifiersEvent* ev)
+{
+	rdpInput* input = NULL;
+	UINT16 syncFlags = 0;
+	wlfContext* wlf = NULL;
+
+	if (!instance || !ev)
+		return FALSE;
+
+	wlf = (wlfContext*)instance->context;
+	WINPR_ASSERT(wlf);
+
+	input = instance->context->input;
+	WINPR_ASSERT(input);
+
+	syncFlags = 0;
+
+	if (ev->modifiers & UWAC_MOD_CAPS_MASK)
+		syncFlags |= KBD_SYNC_CAPS_LOCK;
+	if (ev->modifiers & UWAC_MOD_NUM_MASK)
+		syncFlags |= KBD_SYNC_NUM_LOCK;
+
+	if (!wlf->focusing)
+		return TRUE;
+
+	((wlfContext*)instance->context)->focusing = FALSE;
+
+	return freerdp_input_send_focus_in_event(input, syncFlags) &&
+	       freerdp_client_send_button_event(&wlf->common, FALSE, PTR_FLAGS_MOVE, 0, 0);
+}
+
+BOOL wlf_handle_touch_up(freerdp* instance, const UwacTouchUp* ev)
+{
+	int32_t x = 0;
+	int32_t y = 0;
+
+	WINPR_ASSERT(instance);
+	WINPR_ASSERT(ev);
+
+	wlfContext* wlf = (wlfContext*)instance->context;
+	WINPR_ASSERT(wlf);
+
+	x = ev->x;
+	y = ev->y;
+
+	if (!scale_signed_coordinates(instance->context, &x, &y, TRUE))
+		return FALSE;
+
+	return freerdp_client_handle_touch(&wlf->common, FREERDP_TOUCH_UP, ev->id, 0, x, y);
+}
+
+BOOL wlf_handle_touch_down(freerdp* instance, const UwacTouchDown* ev)
+{
+	int32_t x = 0;
+	int32_t y = 0;
+
+	WINPR_ASSERT(instance);
+	WINPR_ASSERT(ev);
+
+	wlfContext* wlf = (wlfContext*)instance->context;
+	WINPR_ASSERT(wlf);
+
+	x = ev->x;
+	y = ev->y;
+
+	if (!scale_signed_coordinates(instance->context, &x, &y, TRUE))
+		return FALSE;
+
+	return freerdp_client_handle_touch(&wlf->common, FREERDP_TOUCH_DOWN, ev->id, 0, x, y);
+}
+
+BOOL wlf_handle_touch_motion(freerdp* instance, const UwacTouchMotion* ev)
+{
+	int32_t x = 0;
+	int32_t y = 0;
+
+	WINPR_ASSERT(instance);
+	WINPR_ASSERT(ev);
+
+	wlfContext* wlf = (wlfContext*)instance->context;
+	WINPR_ASSERT(wlf);
+
+	x = ev->x;
+	y = ev->y;
+
+	if (!scale_signed_coordinates(instance->context, &x, &y, TRUE))
+		return FALSE;
+
+	return freerdp_client_handle_touch(&wlf->common, FREERDP_TOUCH_MOTION, 0, ev->id, x, y);
+}