1 files changed, 455 insertions, 0 deletions

diff --git a/client/Wayland/wlf_disp.c b/client/Wayland/wlf_disp.c
new file mode 100644
index 0000000..0d87675
--- /dev/null
+++ b/client/Wayland/wlf_disp.c
@@ -0,0 +1,455 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * Wayland Display Control Channel
+ *
+ * Copyright 2018 Armin Novak <armin.novak@thincast.com>
+ * Copyright 2018 Thincast Technologies GmbH
+ *
+ * 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 <winpr/sysinfo.h>
+
+#include "wlf_disp.h"
+
+#define TAG CLIENT_TAG("wayland.disp")
+
+#define RESIZE_MIN_DELAY 200 /* minimum delay in ms between two resizes */
+
+struct s_wlfDispContext
+{
+	wlfContext* wlc;
+	DispClientContext* disp;
+	BOOL haveXRandr;
+	int eventBase, errorBase;
+	int lastSentWidth, lastSentHeight;
+	UINT64 lastSentDate;
+	int targetWidth, targetHeight;
+	BOOL activated;
+	BOOL waitingResize;
+	BOOL fullscreen;
+	UINT16 lastSentDesktopOrientation;
+	UINT32 lastSentDesktopScaleFactor;
+	UINT32 lastSentDeviceScaleFactor;
+};
+
+static UINT wlf_disp_sendLayout(DispClientContext* disp, const rdpMonitor* monitors,
+                                size_t nmonitors);
+
+static BOOL wlf_disp_settings_changed(wlfDispContext* wlfDisp)
+{
+	rdpSettings* settings = NULL;
+
+	WINPR_ASSERT(wlfDisp);
+	WINPR_ASSERT(wlfDisp->wlc);
+
+	settings = wlfDisp->wlc->common.context.settings;
+	WINPR_ASSERT(settings);
+
+	if (wlfDisp->lastSentWidth != wlfDisp->targetWidth)
+		return TRUE;
+
+	if (wlfDisp->lastSentHeight != wlfDisp->targetHeight)
+		return TRUE;
+
+	if (wlfDisp->lastSentDesktopOrientation !=
+	    freerdp_settings_get_uint16(settings, FreeRDP_DesktopOrientation))
+		return TRUE;
+
+	if (wlfDisp->lastSentDesktopScaleFactor !=
+	    freerdp_settings_get_uint32(settings, FreeRDP_DesktopScaleFactor))
+		return TRUE;
+
+	if (wlfDisp->lastSentDeviceScaleFactor !=
+	    freerdp_settings_get_uint32(settings, FreeRDP_DeviceScaleFactor))
+		return TRUE;
+
+	if (wlfDisp->fullscreen != wlfDisp->wlc->fullscreen)
+		return TRUE;
+
+	return FALSE;
+}
+
+static BOOL wlf_update_last_sent(wlfDispContext* wlfDisp)
+{
+	rdpSettings* settings = NULL;
+
+	WINPR_ASSERT(wlfDisp);
+	WINPR_ASSERT(wlfDisp->wlc);
+
+	settings = wlfDisp->wlc->common.context.settings;
+	WINPR_ASSERT(settings);
+
+	wlfDisp->lastSentWidth = wlfDisp->targetWidth;
+	wlfDisp->lastSentHeight = wlfDisp->targetHeight;
+	wlfDisp->lastSentDesktopOrientation =
+	    freerdp_settings_get_uint16(settings, FreeRDP_DesktopOrientation);
+	wlfDisp->lastSentDesktopScaleFactor =
+	    freerdp_settings_get_uint32(settings, FreeRDP_DesktopScaleFactor);
+	wlfDisp->lastSentDeviceScaleFactor =
+	    freerdp_settings_get_uint32(settings, FreeRDP_DeviceScaleFactor);
+	wlfDisp->fullscreen = wlfDisp->wlc->fullscreen;
+	return TRUE;
+}
+
+static BOOL wlf_disp_sendResize(wlfDispContext* wlfDisp)
+{
+	DISPLAY_CONTROL_MONITOR_LAYOUT layout;
+	wlfContext* wlc = NULL;
+	rdpSettings* settings = NULL;
+
+	if (!wlfDisp || !wlfDisp->wlc)
+		return FALSE;
+
+	wlc = wlfDisp->wlc;
+	settings = wlc->common.context.settings;
+
+	if (!settings)
+		return FALSE;
+
+	if (!wlfDisp->activated || !wlfDisp->disp)
+		return TRUE;
+
+	if (GetTickCount64() - wlfDisp->lastSentDate < RESIZE_MIN_DELAY)
+		return TRUE;
+
+	wlfDisp->lastSentDate = GetTickCount64();
+
+	if (!wlf_disp_settings_changed(wlfDisp))
+		return TRUE;
+
+	/* TODO: Multimonitor support for wayland
+	if (wlc->fullscreen && (freerdp_settings_get_uint32(settings, FreeRDP_MonitorCount > 0))
+	{
+	    if (wlf_disp_sendLayout(wlfDisp->disp, setings->MonitorDefArray,
+	                           freerdp_settings_get_uint32(settings, FreeRDP_MonitorCount) !=
+	CHANNEL_RC_OK) return FALSE;
+	}
+	else
+	*/
+	{
+		wlfDisp->waitingResize = TRUE;
+		layout.Flags = DISPLAY_CONTROL_MONITOR_PRIMARY;
+		layout.Top = layout.Left = 0;
+		layout.Width = wlfDisp->targetWidth;
+		layout.Height = wlfDisp->targetHeight;
+		layout.Orientation = freerdp_settings_get_uint16(settings, FreeRDP_DesktopOrientation);
+		layout.DesktopScaleFactor =
+		    freerdp_settings_get_uint32(settings, FreeRDP_DesktopScaleFactor);
+		layout.DeviceScaleFactor = freerdp_settings_get_uint32(settings, FreeRDP_DeviceScaleFactor);
+		layout.PhysicalWidth = wlfDisp->targetWidth;
+		layout.PhysicalHeight = wlfDisp->targetHeight;
+
+		if (IFCALLRESULT(CHANNEL_RC_OK, wlfDisp->disp->SendMonitorLayout, wlfDisp->disp, 1,
+		                 &layout) != CHANNEL_RC_OK)
+			return FALSE;
+	}
+	return wlf_update_last_sent(wlfDisp);
+}
+
+static BOOL wlf_disp_set_window_resizable(wlfDispContext* wlfDisp)
+{
+#if 0 // TODO
+#endif
+	return TRUE;
+}
+
+static BOOL wlf_disp_check_context(void* context, wlfContext** ppwlc, wlfDispContext** ppwlfDisp,
+                                   rdpSettings** ppSettings)
+{
+	wlfContext* wlc = NULL;
+
+	if (!context)
+		return FALSE;
+
+	wlc = (wlfContext*)context;
+
+	if (!(wlc->disp))
+		return FALSE;
+
+	if (!wlc->common.context.settings)
+		return FALSE;
+
+	*ppwlc = wlc;
+	*ppwlfDisp = wlc->disp;
+	*ppSettings = wlc->common.context.settings;
+	return TRUE;
+}
+
+static void wlf_disp_OnActivated(void* context, const ActivatedEventArgs* e)
+{
+	wlfContext* wlc = NULL;
+	wlfDispContext* wlfDisp = NULL;
+	rdpSettings* settings = NULL;
+
+	if (!wlf_disp_check_context(context, &wlc, &wlfDisp, &settings))
+		return;
+
+	wlfDisp->waitingResize = FALSE;
+
+	if (wlfDisp->activated && !freerdp_settings_get_bool(settings, FreeRDP_Fullscreen))
+	{
+		wlf_disp_set_window_resizable(wlfDisp);
+
+		if (e->firstActivation)
+			return;
+
+		wlf_disp_sendResize(wlfDisp);
+	}
+}
+
+static void wlf_disp_OnGraphicsReset(void* context, const GraphicsResetEventArgs* e)
+{
+	wlfContext* wlc = NULL;
+	wlfDispContext* wlfDisp = NULL;
+	rdpSettings* settings = NULL;
+
+	WINPR_UNUSED(e);
+	if (!wlf_disp_check_context(context, &wlc, &wlfDisp, &settings))
+		return;
+
+	wlfDisp->waitingResize = FALSE;
+
+	if (wlfDisp->activated && !freerdp_settings_get_bool(settings, FreeRDP_Fullscreen))
+	{
+		wlf_disp_set_window_resizable(wlfDisp);
+		wlf_disp_sendResize(wlfDisp);
+	}
+}
+
+static void wlf_disp_OnTimer(void* context, const TimerEventArgs* e)
+{
+	wlfContext* wlc = NULL;
+	wlfDispContext* wlfDisp = NULL;
+	rdpSettings* settings = NULL;
+
+	WINPR_UNUSED(e);
+	if (!wlf_disp_check_context(context, &wlc, &wlfDisp, &settings))
+		return;
+
+	if (!wlfDisp->activated || freerdp_settings_get_bool(settings, FreeRDP_Fullscreen))
+		return;
+
+	wlf_disp_sendResize(wlfDisp);
+}
+
+wlfDispContext* wlf_disp_new(wlfContext* wlc)
+{
+	wlfDispContext* ret = NULL;
+	wPubSub* pubSub = NULL;
+	rdpSettings* settings = NULL;
+
+	if (!wlc || !wlc->common.context.settings || !wlc->common.context.pubSub)
+		return NULL;
+
+	settings = wlc->common.context.settings;
+	pubSub = wlc->common.context.pubSub;
+	ret = calloc(1, sizeof(wlfDispContext));
+
+	if (!ret)
+		return NULL;
+
+	ret->wlc = wlc;
+	ret->lastSentWidth = ret->targetWidth =
+	    freerdp_settings_get_uint32(settings, FreeRDP_DesktopWidth);
+	ret->lastSentHeight = ret->targetHeight =
+	    freerdp_settings_get_uint32(settings, FreeRDP_DesktopHeight);
+	PubSub_SubscribeActivated(pubSub, wlf_disp_OnActivated);
+	PubSub_SubscribeGraphicsReset(pubSub, wlf_disp_OnGraphicsReset);
+	PubSub_SubscribeTimer(pubSub, wlf_disp_OnTimer);
+	return ret;
+}
+
+void wlf_disp_free(wlfDispContext* disp)
+{
+	if (!disp)
+		return;
+
+	if (disp->wlc)
+	{
+		wPubSub* pubSub = disp->wlc->common.context.pubSub;
+		PubSub_UnsubscribeActivated(pubSub, wlf_disp_OnActivated);
+		PubSub_UnsubscribeGraphicsReset(pubSub, wlf_disp_OnGraphicsReset);
+		PubSub_UnsubscribeTimer(pubSub, wlf_disp_OnTimer);
+	}
+
+	free(disp);
+}
+
+UINT wlf_disp_sendLayout(DispClientContext* disp, const rdpMonitor* monitors, size_t nmonitors)
+{
+	UINT ret = CHANNEL_RC_OK;
+	DISPLAY_CONTROL_MONITOR_LAYOUT* layouts = NULL;
+	wlfDispContext* wlfDisp = NULL;
+	rdpSettings* settings = NULL;
+
+	WINPR_ASSERT(disp);
+	WINPR_ASSERT(monitors);
+	WINPR_ASSERT(nmonitors > 0);
+
+	wlfDisp = (wlfDispContext*)disp->custom;
+	WINPR_ASSERT(wlfDisp);
+	WINPR_ASSERT(wlfDisp->wlc);
+
+	settings = wlfDisp->wlc->common.context.settings;
+	WINPR_ASSERT(settings);
+
+	layouts = calloc(nmonitors, sizeof(DISPLAY_CONTROL_MONITOR_LAYOUT));
+
+	if (!layouts)
+		return CHANNEL_RC_NO_MEMORY;
+
+	for (size_t i = 0; i < nmonitors; i++)
+	{
+		const rdpMonitor* monitor = &monitors[i];
+		DISPLAY_CONTROL_MONITOR_LAYOUT* layout = &layouts[i];
+
+		layout->Flags = (monitor->is_primary ? DISPLAY_CONTROL_MONITOR_PRIMARY : 0);
+		layout->Left = monitor->x;
+		layout->Top = monitor->y;
+		layout->Width = monitor->width;
+		layout->Height = monitor->height;
+		layout->Orientation = ORIENTATION_LANDSCAPE;
+		layout->PhysicalWidth = monitor->attributes.physicalWidth;
+		layout->PhysicalHeight = monitor->attributes.physicalHeight;
+
+		switch (monitor->attributes.orientation)
+		{
+			case 90:
+				layout->Orientation = ORIENTATION_PORTRAIT;
+				break;
+
+			case 180:
+				layout->Orientation = ORIENTATION_LANDSCAPE_FLIPPED;
+				break;
+
+			case 270:
+				layout->Orientation = ORIENTATION_PORTRAIT_FLIPPED;
+				break;
+
+			case 0:
+			default:
+				/* MS-RDPEDISP - 2.2.2.2.1:
+				 * Orientation (4 bytes): A 32-bit unsigned integer that specifies the
+				 * orientation of the monitor in degrees. Valid values are 0, 90, 180
+				 * or 270
+				 *
+				 * So we default to ORIENTATION_LANDSCAPE
+				 */
+				layout->Orientation = ORIENTATION_LANDSCAPE;
+				break;
+		}
+
+		layout->DesktopScaleFactor =
+		    freerdp_settings_get_uint32(settings, FreeRDP_DesktopScaleFactor);
+		layout->DeviceScaleFactor =
+		    freerdp_settings_get_uint32(settings, FreeRDP_DeviceScaleFactor);
+	}
+
+	ret = IFCALLRESULT(CHANNEL_RC_OK, disp->SendMonitorLayout, disp, nmonitors, layouts);
+	free(layouts);
+	return ret;
+}
+
+BOOL wlf_disp_handle_configure(wlfDispContext* disp, int32_t width, int32_t height)
+{
+	if (!disp)
+		return FALSE;
+
+	disp->targetWidth = width;
+	disp->targetHeight = height;
+	return wlf_disp_sendResize(disp);
+}
+
+static UINT wlf_DisplayControlCaps(DispClientContext* disp, UINT32 maxNumMonitors,
+                                   UINT32 maxMonitorAreaFactorA, UINT32 maxMonitorAreaFactorB)
+{
+	/* we're called only if dynamic resolution update is activated */
+	wlfDispContext* wlfDisp = NULL;
+	rdpSettings* settings = NULL;
+
+	WINPR_ASSERT(disp);
+
+	wlfDisp = (wlfDispContext*)disp->custom;
+	WINPR_ASSERT(wlfDisp);
+	WINPR_ASSERT(wlfDisp->wlc);
+
+	settings = wlfDisp->wlc->common.context.settings;
+	WINPR_ASSERT(settings);
+
+	WLog_DBG(TAG,
+	         "DisplayControlCapsPdu: MaxNumMonitors: %" PRIu32 " MaxMonitorAreaFactorA: %" PRIu32
+	         " MaxMonitorAreaFactorB: %" PRIu32 "",
+	         maxNumMonitors, maxMonitorAreaFactorA, maxMonitorAreaFactorB);
+	wlfDisp->activated = TRUE;
+
+	if (freerdp_settings_get_bool(settings, FreeRDP_Fullscreen))
+		return CHANNEL_RC_OK;
+
+	WLog_DBG(TAG, "DisplayControlCapsPdu: setting the window as resizable");
+	return wlf_disp_set_window_resizable(wlfDisp) ? CHANNEL_RC_OK : CHANNEL_RC_NO_MEMORY;
+}
+
+BOOL wlf_disp_init(wlfDispContext* wlfDisp, DispClientContext* disp)
+{
+	rdpSettings* settings = NULL;
+
+	if (!wlfDisp || !wlfDisp->wlc || !disp)
+		return FALSE;
+
+	settings = wlfDisp->wlc->common.context.settings;
+
+	if (!settings)
+		return FALSE;
+
+	wlfDisp->disp = disp;
+	disp->custom = (void*)wlfDisp;
+
+	if (freerdp_settings_get_bool(settings, FreeRDP_DynamicResolutionUpdate))
+	{
+		disp->DisplayControlCaps = wlf_DisplayControlCaps;
+	}
+
+	return TRUE;
+}
+
+BOOL wlf_disp_uninit(wlfDispContext* wlfDisp, DispClientContext* disp)
+{
+	if (!wlfDisp || !disp)
+		return FALSE;
+
+	wlfDisp->disp = NULL;
+	return TRUE;
+}
+
+int wlf_list_monitors(wlfContext* wlc)
+{
+	uint32_t nmonitors = UwacDisplayGetNbOutputs(wlc->display);
+
+	for (uint32_t i = 0; i < nmonitors; i++)
+	{
+		const UwacOutput* monitor = UwacDisplayGetOutput(wlc->display, i);
+		UwacSize resolution;
+		UwacPosition pos;
+
+		if (!monitor)
+			continue;
+		UwacOutputGetPosition(monitor, &pos);
+		UwacOutputGetResolution(monitor, &resolution);
+
+		printf("     %s [%d] %dx%d\t+%d+%d\n", (i == 0) ? "*" : " ", i, resolution.width,
+		       resolution.height, pos.x, pos.y);
+	}
+
+	return 0;
+}