FreeRDP/client/Wayland/wlf_disp.c
2022-01-31 15:55:10 +01:00

418 lines
10 KiB
C

/**
* 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 _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 = wlfDisp->wlc->context.settings;
if (wlfDisp->lastSentWidth != wlfDisp->targetWidth)
return TRUE;
if (wlfDisp->lastSentHeight != wlfDisp->targetHeight)
return TRUE;
if (wlfDisp->lastSentDesktopOrientation != settings->DesktopOrientation)
return TRUE;
if (wlfDisp->lastSentDesktopScaleFactor != settings->DesktopScaleFactor)
return TRUE;
if (wlfDisp->lastSentDeviceScaleFactor != settings->DeviceScaleFactor)
return TRUE;
if (wlfDisp->fullscreen != wlfDisp->wlc->fullscreen)
return TRUE;
return FALSE;
}
static BOOL wlf_update_last_sent(wlfDispContext* wlfDisp)
{
rdpSettings* settings = wlfDisp->wlc->context.settings;
wlfDisp->lastSentWidth = wlfDisp->targetWidth;
wlfDisp->lastSentHeight = wlfDisp->targetHeight;
wlfDisp->lastSentDesktopOrientation = settings->DesktopOrientation;
wlfDisp->lastSentDesktopScaleFactor = settings->DesktopScaleFactor;
wlfDisp->lastSentDeviceScaleFactor = settings->DeviceScaleFactor;
wlfDisp->fullscreen = wlfDisp->wlc->fullscreen;
return TRUE;
}
static BOOL wlf_disp_sendResize(wlfDispContext* wlfDisp)
{
DISPLAY_CONTROL_MONITOR_LAYOUT layout;
wlfContext* wlc;
rdpSettings* settings;
if (!wlfDisp || !wlfDisp->wlc)
return FALSE;
wlc = wlfDisp->wlc;
settings = wlc->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 && (settings->MonitorCount > 0))
{
if (wlf_disp_sendLayout(wlfDisp->disp, settings->MonitorDefArray,
settings->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 = settings->DesktopOrientation;
layout.DesktopScaleFactor = settings->DesktopScaleFactor;
layout.DeviceScaleFactor = settings->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;
if (!context)
return FALSE;
wlc = (wlfContext*)context;
if (!(wlc->disp))
return FALSE;
if (!wlc->context.settings)
return FALSE;
*ppwlc = wlc;
*ppwlfDisp = wlc->disp;
*ppSettings = wlc->context.settings;
return TRUE;
}
static void wlf_disp_OnActivated(void* context, const ActivatedEventArgs* e)
{
wlfContext* wlc;
wlfDispContext* wlfDisp;
rdpSettings* settings;
if (!wlf_disp_check_context(context, &wlc, &wlfDisp, &settings))
return;
wlfDisp->waitingResize = FALSE;
if (wlfDisp->activated && !settings->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;
wlfDispContext* wlfDisp;
rdpSettings* settings;
WINPR_UNUSED(e);
if (!wlf_disp_check_context(context, &wlc, &wlfDisp, &settings))
return;
wlfDisp->waitingResize = FALSE;
if (wlfDisp->activated && !settings->Fullscreen)
{
wlf_disp_set_window_resizable(wlfDisp);
wlf_disp_sendResize(wlfDisp);
}
}
static void wlf_disp_OnTimer(void* context, const TimerEventArgs* e)
{
wlfContext* wlc;
wlfDispContext* wlfDisp;
rdpSettings* settings;
WINPR_UNUSED(e);
if (!wlf_disp_check_context(context, &wlc, &wlfDisp, &settings))
return;
if (!wlfDisp->activated || settings->Fullscreen)
return;
wlf_disp_sendResize(wlfDisp);
}
wlfDispContext* wlf_disp_new(wlfContext* wlc)
{
wlfDispContext* ret;
if (!wlc || !wlc->context.settings || !wlc->context.pubSub)
return NULL;
ret = calloc(1, sizeof(wlfDispContext));
if (!ret)
return NULL;
ret->wlc = wlc;
ret->lastSentWidth = ret->targetWidth = wlc->context.settings->DesktopWidth;
ret->lastSentHeight = ret->targetHeight = wlc->context.settings->DesktopHeight;
PubSub_SubscribeActivated(wlc->context.pubSub, wlf_disp_OnActivated);
PubSub_SubscribeGraphicsReset(wlc->context.pubSub, wlf_disp_OnGraphicsReset);
PubSub_SubscribeTimer(wlc->context.pubSub, wlf_disp_OnTimer);
return ret;
}
void wlf_disp_free(wlfDispContext* disp)
{
if (!disp)
return;
if (disp->wlc)
{
PubSub_UnsubscribeActivated(disp->wlc->context.pubSub, wlf_disp_OnActivated);
PubSub_UnsubscribeGraphicsReset(disp->wlc->context.pubSub, wlf_disp_OnGraphicsReset);
PubSub_UnsubscribeTimer(disp->wlc->context.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;
size_t i;
wlfDispContext* wlfDisp;
rdpSettings* settings;
WINPR_ASSERT(disp);
WINPR_ASSERT(monitors);
WINPR_ASSERT(nmonitors > 0);
wlfDisp = (wlfDispContext*)disp->custom;
WINPR_ASSERT(wlfDisp);
WINPR_ASSERT(wlfDisp->wlc);
settings = wlfDisp->wlc->context.settings;
WINPR_ASSERT(settings);
layouts = calloc(nmonitors, sizeof(DISPLAY_CONTROL_MONITOR_LAYOUT));
if (!layouts)
return CHANNEL_RC_NO_MEMORY;
for (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 = settings->DesktopScaleFactor;
layout->DeviceScaleFactor = settings->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 = (wlfDispContext*)disp->custom;
rdpSettings* settings = wlfDisp->wlc->context.settings;
WLog_DBG(TAG,
"DisplayControlCapsPdu: MaxNumMonitors: %" PRIu32 " MaxMonitorAreaFactorA: %" PRIu32
" MaxMonitorAreaFactorB: %" PRIu32 "",
maxNumMonitors, maxMonitorAreaFactorA, maxMonitorAreaFactorB);
wlfDisp->activated = TRUE;
if (settings->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;
if (!wlfDisp || !wlfDisp->wlc || !disp)
return FALSE;
settings = wlfDisp->wlc->context.settings;
if (!settings)
return FALSE;
wlfDisp->disp = disp;
disp->custom = (void*)wlfDisp;
if (settings->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 i, nmonitors = UwacDisplayGetNbOutputs(wlc->display);
for (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;
}