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FreeRDP/client/X11/xf_rail.c

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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* X11 RAIL
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>
#include <winpr/wlog.h>
#include <winpr/print.h>
#include "xf_window.h"
#include "xf_rail.h"
#define TAG CLIENT_TAG("x11")
static const char* error_code_names[] =
{
"RAIL_EXEC_S_OK",
"RAIL_EXEC_E_HOOK_NOT_LOADED",
"RAIL_EXEC_E_DECODE_FAILED",
"RAIL_EXEC_E_NOT_IN_ALLOWLIST",
"RAIL_EXEC_E_FILE_NOT_FOUND",
"RAIL_EXEC_E_FAIL",
"RAIL_EXEC_E_SESSION_LOCKED"
};
#ifdef WITH_DEBUG_RAIL
static const char* movetype_names[] =
{
"(invalid)",
"RAIL_WMSZ_LEFT",
"RAIL_WMSZ_RIGHT",
"RAIL_WMSZ_TOP",
"RAIL_WMSZ_TOPLEFT",
"RAIL_WMSZ_TOPRIGHT",
"RAIL_WMSZ_BOTTOM",
"RAIL_WMSZ_BOTTOMLEFT",
"RAIL_WMSZ_BOTTOMRIGHT",
"RAIL_WMSZ_MOVE",
"RAIL_WMSZ_KEYMOVE",
"RAIL_WMSZ_KEYSIZE"
};
#endif
struct xf_rail_icon
{
long* data;
int length;
};
typedef struct xf_rail_icon xfRailIcon;
struct xf_rail_icon_cache
{
xfRailIcon* entries;
UINT32 numCaches;
UINT32 numCacheEntries;
xfRailIcon scratch;
};
typedef struct xf_rail_icon_cache xfRailIconCache;
void xf_rail_enable_remoteapp_mode(xfContext* xfc)
{
if (!xfc->remote_app)
{
xfc->remote_app = TRUE;
xfc->drawable = xf_CreateDummyWindow(xfc);
xf_DestroyDesktopWindow(xfc, xfc->window);
xfc->window = NULL;
}
}
void xf_rail_disable_remoteapp_mode(xfContext* xfc)
{
if (xfc->remote_app)
{
xfc->remote_app = FALSE;
xf_DestroyDummyWindow(xfc, xfc->drawable);
xf_create_window(xfc);
}
}
void xf_rail_send_activate(xfContext* xfc, Window xwindow, BOOL enabled)
{
xfAppWindow* appWindow;
RAIL_ACTIVATE_ORDER activate;
appWindow = xf_AppWindowFromX11Window(xfc, xwindow);
if (!appWindow)
return;
if (enabled)
xf_SetWindowStyle(xfc, appWindow, appWindow->dwStyle, appWindow->dwExStyle);
else
xf_SetWindowStyle(xfc, appWindow, 0, 0);
activate.windowId = appWindow->windowId;
activate.enabled = enabled;
xfc->rail->ClientActivate(xfc->rail, &activate);
}
void xf_rail_send_client_system_command(xfContext* xfc, UINT32 windowId,
UINT16 command)
{
RAIL_SYSCOMMAND_ORDER syscommand;
syscommand.windowId = windowId;
syscommand.command = command;
xfc->rail->ClientSystemCommand(xfc->rail, &syscommand);
}
/**
* The position of the X window can become out of sync with the RDP window
* if the X window is moved locally by the window manager. In this event
* send an update to the RDP server informing it of the new window position
* and size.
*/
void xf_rail_adjust_position(xfContext* xfc, xfAppWindow* appWindow)
{
RAIL_WINDOW_MOVE_ORDER windowMove;
if (!appWindow->is_mapped || appWindow->local_move.state != LMS_NOT_ACTIVE)
return;
/* If current window position disagrees with RDP window position, send update to RDP server */
if (appWindow->x != appWindow->windowOffsetX ||
appWindow->y != appWindow->windowOffsetY ||
appWindow->width != appWindow->windowWidth ||
appWindow->height != appWindow->windowHeight)
{
windowMove.windowId = appWindow->windowId;
/*
* Calculate new size/position for the rail window(new values for windowOffsetX/windowOffsetY/windowWidth/windowHeight) on the server
*/
windowMove.left = appWindow->x;
windowMove.top = appWindow->y;
windowMove.right = windowMove.left + appWindow->width;
windowMove.bottom = windowMove.top + appWindow->height;
xfc->rail->ClientWindowMove(xfc->rail, &windowMove);
}
}
void xf_rail_end_local_move(xfContext* xfc, xfAppWindow* appWindow)
{
int x, y;
int child_x;
int child_y;
unsigned int mask;
Window root_window;
Window child_window;
RAIL_WINDOW_MOVE_ORDER windowMove;
rdpInput* input = xfc->context.input;
/*
* For keyboard moves send and explicit update to RDP server
*/
windowMove.windowId = appWindow->windowId;
/*
* Calculate new size/position for the rail window(new values for windowOffsetX/windowOffsetY/windowWidth/windowHeight) on the server
*
*/
windowMove.left = appWindow->x;
windowMove.top = appWindow->y;
windowMove.right = windowMove.left +
appWindow->width; /* In the update to RDP the position is one past the window */
windowMove.bottom = windowMove.top + appWindow->height;
xfc->rail->ClientWindowMove(xfc->rail, &windowMove);
/*
* Simulate button up at new position to end the local move (per RDP spec)
*/
XQueryPointer(xfc->display, appWindow->handle,
&root_window, &child_window, &x, &y, &child_x, &child_y, &mask);
/* only send the mouse coordinates if not a keyboard move or size */
if ((appWindow->local_move.direction != _NET_WM_MOVERESIZE_MOVE_KEYBOARD) &&
(appWindow->local_move.direction != _NET_WM_MOVERESIZE_SIZE_KEYBOARD))
{
input->MouseEvent(input, PTR_FLAGS_BUTTON1, x, y);
}
/*
* Proactively update the RAIL window dimensions. There is a race condition where
* we can start to receive GDI orders for the new window dimensions before we
* receive the RAIL ORDER for the new window size. This avoids that race condition.
*/
appWindow->windowOffsetX = appWindow->x;
appWindow->windowOffsetY = appWindow->y;
appWindow->windowWidth = appWindow->width;
appWindow->windowHeight = appWindow->height;
appWindow->local_move.state = LMS_TERMINATING;
}
static void xf_rail_invalidate_region(xfContext* xfc, REGION16* invalidRegion)
{
int index;
int count;
RECTANGLE_16 updateRect;
RECTANGLE_16 windowRect;
ULONG_PTR* pKeys = NULL;
xfAppWindow* appWindow;
const RECTANGLE_16* extents;
REGION16 windowInvalidRegion;
region16_init(&windowInvalidRegion);
count = HashTable_GetKeys(xfc->railWindows, &pKeys);
for (index = 0; index < count; index++)
{
appWindow = (xfAppWindow*) HashTable_GetItemValue(xfc->railWindows,
(void*) pKeys[index]);
if (appWindow)
{
windowRect.left = MAX(appWindow->x, 0);
windowRect.top = MAX(appWindow->y, 0);
windowRect.right = MAX(appWindow->x + appWindow->width, 0);
windowRect.bottom = MAX(appWindow->y + appWindow->height, 0);
region16_clear(&windowInvalidRegion);
region16_intersect_rect(&windowInvalidRegion, invalidRegion, &windowRect);
if (!region16_is_empty(&windowInvalidRegion))
{
extents = region16_extents(&windowInvalidRegion);
updateRect.left = extents->left - appWindow->x;
updateRect.top = extents->top - appWindow->y;
updateRect.right = extents->right - appWindow->x;
updateRect.bottom = extents->bottom - appWindow->y;
xf_UpdateWindowArea(xfc, appWindow, updateRect.left, updateRect.top,
updateRect.right - updateRect.left,
updateRect.bottom - updateRect.top);
}
}
}
free(pKeys);
region16_uninit(&windowInvalidRegion);
}
void xf_rail_paint(xfContext* xfc, INT32 uleft, INT32 utop, UINT32 uright,
UINT32 ubottom)
{
REGION16 invalidRegion;
RECTANGLE_16 invalidRect;
invalidRect.left = uleft;
invalidRect.top = utop;
invalidRect.right = uright;
invalidRect.bottom = ubottom;
region16_init(&invalidRegion);
region16_union_rect(&invalidRegion, &invalidRegion, &invalidRect);
xf_rail_invalidate_region(xfc, &invalidRegion);
region16_uninit(&invalidRegion);
}
/* RemoteApp Core Protocol Extension */
static BOOL xf_rail_window_common(rdpContext* context,
WINDOW_ORDER_INFO* orderInfo, WINDOW_STATE_ORDER* windowState)
{
xfAppWindow* appWindow = NULL;
xfContext* xfc = (xfContext*) context;
UINT32 fieldFlags = orderInfo->fieldFlags;
BOOL position_or_size_updated = FALSE;
if (fieldFlags & WINDOW_ORDER_STATE_NEW)
{
appWindow = (xfAppWindow*) calloc(1, sizeof(xfAppWindow));
if (!appWindow)
return FALSE;
appWindow->xfc = xfc;
appWindow->windowId = orderInfo->windowId;
appWindow->dwStyle = windowState->style;
appWindow->dwExStyle = windowState->extendedStyle;
appWindow->x = appWindow->windowOffsetX = windowState->windowOffsetX;
appWindow->y = appWindow->windowOffsetY = windowState->windowOffsetY;
appWindow->width = appWindow->windowWidth = windowState->windowWidth;
appWindow->height = appWindow->windowHeight = windowState->windowHeight;
/* Ensure window always gets a window title */
if (fieldFlags & WINDOW_ORDER_FIELD_TITLE)
{
char* title = NULL;
if (windowState->titleInfo.length == 0)
{
if (!(title = _strdup("")))
{
WLog_ERR(TAG, "failed to duplicate empty window title string");
/* error handled below */
}
}
else if (ConvertFromUnicode(CP_UTF8, 0, (WCHAR*) windowState->titleInfo.string,
windowState->titleInfo.length / 2, &title, 0, NULL, NULL) < 1)
{
WLog_ERR(TAG, "failed to convert window title");
/* error handled below */
}
appWindow->title = title;
}
else
{
if (!(appWindow->title = _strdup("RdpRailWindow")))
WLog_ERR(TAG, "failed to duplicate default window title string");
}
if (!appWindow->title)
{
free(appWindow);
return FALSE;
}
HashTable_Add(xfc->railWindows, (void*)(UINT_PTR) orderInfo->windowId,
(void*) appWindow);
xf_AppWindowInit(xfc, appWindow);
}
else
{
appWindow = (xfAppWindow*) HashTable_GetItemValue(xfc->railWindows,
(void*)(UINT_PTR) orderInfo->windowId);
}
if (!appWindow)
return FALSE;
/* Keep track of any position/size update so that we can force a refresh of the window */
if ((fieldFlags & WINDOW_ORDER_FIELD_WND_OFFSET) ||
(fieldFlags & WINDOW_ORDER_FIELD_WND_SIZE) ||
(fieldFlags & WINDOW_ORDER_FIELD_CLIENT_AREA_OFFSET) ||
(fieldFlags & WINDOW_ORDER_FIELD_CLIENT_AREA_SIZE) ||
(fieldFlags & WINDOW_ORDER_FIELD_WND_CLIENT_DELTA) ||
(fieldFlags & WINDOW_ORDER_FIELD_VIS_OFFSET) ||
(fieldFlags & WINDOW_ORDER_FIELD_VISIBILITY))
{
position_or_size_updated = TRUE;
}
/* Update Parameters */
if (fieldFlags & WINDOW_ORDER_FIELD_WND_OFFSET)
{
appWindow->windowOffsetX = windowState->windowOffsetX;
appWindow->windowOffsetY = windowState->windowOffsetY;
}
if (fieldFlags & WINDOW_ORDER_FIELD_WND_SIZE)
{
appWindow->windowWidth = windowState->windowWidth;
appWindow->windowHeight = windowState->windowHeight;
}
if (fieldFlags & WINDOW_ORDER_FIELD_OWNER)
{
appWindow->ownerWindowId = windowState->ownerWindowId;
}
if (fieldFlags & WINDOW_ORDER_FIELD_STYLE)
{
appWindow->dwStyle = windowState->style;
appWindow->dwExStyle = windowState->extendedStyle;
}
if (fieldFlags & WINDOW_ORDER_FIELD_SHOW)
{
appWindow->showState = windowState->showState;
}
if (fieldFlags & WINDOW_ORDER_FIELD_TITLE)
{
char* title = NULL;
if (windowState->titleInfo.length == 0)
{
if (!(title = _strdup("")))
{
WLog_ERR(TAG, "failed to duplicate empty window title string");
return FALSE;
}
}
else if (ConvertFromUnicode(CP_UTF8, 0, (WCHAR*) windowState->titleInfo.string,
windowState->titleInfo.length / 2, &title, 0, NULL, NULL) < 1)
{
WLog_ERR(TAG, "failed to convert window title");
return FALSE;
}
free(appWindow->title);
appWindow->title = title;
}
if (fieldFlags & WINDOW_ORDER_FIELD_CLIENT_AREA_OFFSET)
{
appWindow->clientOffsetX = windowState->clientOffsetX;
appWindow->clientOffsetY = windowState->clientOffsetY;
}
if (fieldFlags & WINDOW_ORDER_FIELD_CLIENT_AREA_SIZE)
{
appWindow->clientAreaWidth = windowState->clientAreaWidth;
appWindow->clientAreaHeight = windowState->clientAreaHeight;
}
if (fieldFlags & WINDOW_ORDER_FIELD_WND_CLIENT_DELTA)
{
appWindow->windowClientDeltaX = windowState->windowClientDeltaX;
appWindow->windowClientDeltaY = windowState->windowClientDeltaY;
}
if (fieldFlags & WINDOW_ORDER_FIELD_WND_RECTS)
{
if (appWindow->windowRects)
{
free(appWindow->windowRects);
appWindow->windowRects = NULL;
}
appWindow->numWindowRects = windowState->numWindowRects;
if (appWindow->numWindowRects)
{
appWindow->windowRects = (RECTANGLE_16*) calloc(appWindow->numWindowRects,
sizeof(RECTANGLE_16));
if (!appWindow->windowRects)
return FALSE;
CopyMemory(appWindow->windowRects, windowState->windowRects,
appWindow->numWindowRects * sizeof(RECTANGLE_16));
}
}
if (fieldFlags & WINDOW_ORDER_FIELD_VIS_OFFSET)
{
appWindow->visibleOffsetX = windowState->visibleOffsetX;
appWindow->visibleOffsetY = windowState->visibleOffsetY;
}
if (fieldFlags & WINDOW_ORDER_FIELD_VISIBILITY)
{
if (appWindow->visibilityRects)
{
free(appWindow->visibilityRects);
appWindow->visibilityRects = NULL;
}
appWindow->numVisibilityRects = windowState->numVisibilityRects;
if (appWindow->numVisibilityRects)
{
appWindow->visibilityRects = (RECTANGLE_16*) calloc(
appWindow->numVisibilityRects, sizeof(RECTANGLE_16));
if (!appWindow->visibilityRects)
return FALSE;
CopyMemory(appWindow->visibilityRects, windowState->visibilityRects,
appWindow->numVisibilityRects * sizeof(RECTANGLE_16));
}
}
/* Update Window */
if (fieldFlags & WINDOW_ORDER_FIELD_STYLE)
{
}
if (fieldFlags & WINDOW_ORDER_FIELD_SHOW)
{
xf_ShowWindow(xfc, appWindow, appWindow->showState);
}
if (fieldFlags & WINDOW_ORDER_FIELD_TITLE)
{
if (appWindow->title)
xf_SetWindowText(xfc, appWindow, appWindow->title);
}
if (position_or_size_updated)
{
UINT32 visibilityRectsOffsetX = (appWindow->visibleOffsetX -
(appWindow->clientOffsetX - appWindow->windowClientDeltaX));
UINT32 visibilityRectsOffsetY = (appWindow->visibleOffsetY -
(appWindow->clientOffsetY - appWindow->windowClientDeltaY));
/*
* The rail server like to set the window to a small size when it is minimized even though it is hidden
* in some cases this can cause the window not to restore back to its original size. Therefore we don't
* update our local window when that rail window state is minimized
*/
if (appWindow->rail_state != WINDOW_SHOW_MINIMIZED)
{
/* Redraw window area if already in the correct position */
if (appWindow->x == appWindow->windowOffsetX &&
appWindow->y == appWindow->windowOffsetY &&
appWindow->width == appWindow->windowWidth &&
appWindow->height == appWindow->windowHeight)
{
xf_UpdateWindowArea(xfc, appWindow, 0, 0, appWindow->windowWidth,
appWindow->windowHeight);
}
else
{
xf_MoveWindow(xfc, appWindow, appWindow->windowOffsetX,
appWindow->windowOffsetY,
appWindow->windowWidth, appWindow->windowHeight);
}
xf_SetWindowVisibilityRects(xfc, appWindow, visibilityRectsOffsetX,
visibilityRectsOffsetY, appWindow->visibilityRects,
appWindow->numVisibilityRects);
}
}
/* We should only be using the visibility rects for shaping the window */
/*if (fieldFlags & WINDOW_ORDER_FIELD_WND_RECTS)
{
xf_SetWindowRects(xfc, appWindow, appWindow->windowRects, appWindow->numWindowRects);
}*/
return TRUE;
}
static BOOL xf_rail_window_delete(rdpContext* context,
WINDOW_ORDER_INFO* orderInfo)
{
xfContext* xfc = (xfContext*) context;
if (!xfc)
return FALSE;
HashTable_Remove(xfc->railWindows, (void*)(UINT_PTR) orderInfo->windowId);
return TRUE;
}
static xfRailIconCache* RailIconCache_New(rdpSettings* settings)
{
xfRailIconCache* cache;
cache = calloc(1, sizeof(xfRailIconCache));
if (!cache)
return NULL;
cache->numCaches = settings->RemoteAppNumIconCaches;
cache->numCacheEntries = settings->RemoteAppNumIconCacheEntries;
cache->entries = calloc(cache->numCaches * cache->numCacheEntries,
sizeof(xfRailIcon));
if (!cache->entries)
{
WLog_ERR(TAG, "failed to allocate icon cache %d x %d entries",
cache->numCaches, cache->numCacheEntries);
free(cache);
return NULL;
}
return cache;
}
static void RailIconCache_Free(xfRailIconCache* cache)
{
UINT32 i;
if (cache)
{
for (i = 0; i < cache->numCaches * cache->numCacheEntries; i++)
{
free(cache->entries[i].data);
}
free(cache->scratch.data);
free(cache->entries);
free(cache);
}
}
static xfRailIcon* RailIconCache_Lookup(xfRailIconCache* cache,
UINT8 cacheId, UINT16 cacheEntry)
{
/*
* MS-RDPERP 2.2.1.2.3 Icon Info (TS_ICON_INFO)
*
* CacheId (1 byte):
* If the value is 0xFFFF, the icon SHOULD NOT be cached.
*
* Yes, the spec says "0xFFFF" in the 2018-03-16 revision,
* but the actual protocol field is 1-byte wide.
*/
if (cacheId == 0xFF)
return &cache->scratch;
if (cacheId >= cache->numCaches)
return NULL;
if (cacheEntry >= cache->numCacheEntries)
return NULL;
return &cache->entries[cache->numCacheEntries * cacheId + cacheEntry];
}
/*
* DIB color palettes are arrays of RGBQUAD structs with colors in BGRX format.
* They are used only by 1, 2, 4, and 8-bit bitmaps.
*/
static void fill_gdi_palette_for_icon(ICON_INFO* iconInfo, gdiPalette* palette)
{
UINT32 i;
palette->format = PIXEL_FORMAT_BGRX32;
ZeroMemory(palette->palette, sizeof(palette->palette));
if (!iconInfo->cbColorTable)
return;
if ((iconInfo->cbColorTable % 4 != 0) || (iconInfo->cbColorTable / 4 > 256))
{
WLog_WARN(TAG, "weird palette size: %u", iconInfo->cbColorTable);
return;
}
for (i = 0; i < iconInfo->cbColorTable / 4; i++)
{
palette->palette[i] = ReadColor(&iconInfo->colorTable[4 * i], palette->format);
}
}
static BOOL convert_icon_color_to_argb(ICON_INFO* iconInfo, BYTE* argbPixels)
{
DWORD format;
gdiPalette palette;
/*
* Color formats used by icons are DIB bitmap formats (2-bit format
* is not used by MS-RDPERP). Note that 16-bit is RGB555, not RGB565,
* and that 32-bit format uses BGRA order.
*/
switch (iconInfo->bpp)
{
case 1:
case 4:
/*
* These formats are not supported by freerdp_image_copy().
* PIXEL_FORMAT_MONO and PIXEL_FORMAT_A4 are *not* correct
* color formats for this. Please fix freerdp_image_copy()
* if you came here to fix a broken icon of some weird app
* that still uses 1 or 4bpp format in the 21st century.
*/
WLog_WARN(TAG, "1bpp and 4bpp icons are not supported");
return FALSE;
case 8:
format = PIXEL_FORMAT_RGB8;
break;
case 16:
format = PIXEL_FORMAT_RGB15;
break;
case 24:
format = PIXEL_FORMAT_RGB24;
break;
case 32:
format = PIXEL_FORMAT_BGRA32;
break;
default:
WLog_WARN(TAG, "invalid icon bpp: %d", iconInfo->bpp);
return FALSE;
}
fill_gdi_palette_for_icon(iconInfo, &palette);
return freerdp_image_copy(
argbPixels,
PIXEL_FORMAT_ARGB32,
0, 0, 0,
iconInfo->width,
iconInfo->height,
iconInfo->bitsColor,
format,
0, 0, 0,
&palette,
FREERDP_FLIP_VERTICAL
);
}
static inline UINT32 div_ceil(UINT32 a, UINT32 b)
{
return (a + (b - 1)) / b;
}
static inline UINT32 round_up(UINT32 a, UINT32 b)
{
return b * div_ceil(a, b);
}
static void apply_icon_alpha_mask(ICON_INFO* iconInfo, BYTE* argbPixels)
{
BYTE nextBit;
BYTE* maskByte;
UINT32 x, y;
UINT32 stride;
if (!iconInfo->cbBitsMask)
return;
/*
* Each byte encodes 8 adjacent pixels (with LSB padding as needed).
* And due to hysterical raisins, stride of DIB bitmaps must be
* a multiple of 4 bytes.
*/
stride = round_up(div_ceil(iconInfo->width, 8), 4);
for (y = 0; y < iconInfo->height; y++)
{
/* ɐᴉlɐɹʇsn∀ uᴉ ǝɹ,ǝʍ ʇɐɥʇ ʇǝƃɹoɟ ʇ,uop */
maskByte = &iconInfo->bitsMask[stride * (iconInfo->height - 1 - y)];
nextBit = 0x80;
for (x = 0; x < iconInfo->width; x++)
{
BYTE alpha = (*maskByte & nextBit) ? 0x00 : 0xFF;
argbPixels[4 * (x + y * iconInfo->width)] &= alpha;
nextBit >>= 1;
if (!nextBit)
{
nextBit = 0x80;
maskByte++;
}
}
}
}
/*
* _NET_WM_ICON format is defined as "array of CARDINAL" values which for
* Xlib must be represented with an array of C's "long" values. Note that
* "long" != "INT32" on 64-bit systems. Therefore we can't simply cast
* the bitmap data as (unsigned char*), we have to copy all the pixels.
*
* The first two values are width and height followed by actual color data
* in ARGB format (e.g., 0xFFFF0000L is opaque red), pixels are in normal,
* left-to-right top-down order.
*/
static BOOL convert_rail_icon(ICON_INFO* iconInfo, xfRailIcon* railIcon)
{
BYTE* argbPixels;
BYTE* nextPixel;
long* pixels;
int i;
int nelements;
argbPixels = calloc(iconInfo->width * iconInfo->height, 4);
if (!argbPixels)
goto error;
if (!convert_icon_color_to_argb(iconInfo, argbPixels))
goto error;
apply_icon_alpha_mask(iconInfo, argbPixels);
nelements = 2 + iconInfo->width * iconInfo->height;
pixels = realloc(railIcon->data, nelements * sizeof(long));
if (!pixels)
goto error;
railIcon->data = pixels;
railIcon->length = nelements;
pixels[0] = iconInfo->width;
pixels[1] = iconInfo->height;
nextPixel = argbPixels;
for (i = 2; i < nelements; i++)
{
pixels[i] = ReadColor(nextPixel, PIXEL_FORMAT_BGRA32);
nextPixel += 4;
}
free(argbPixels);
return TRUE;
error:
free(argbPixels);
return FALSE;
}
static void xf_rail_set_window_icon(xfContext* xfc,
xfAppWindow* railWindow, xfRailIcon* icon,
BOOL replace)
{
XChangeProperty(xfc->display, railWindow->handle, xfc->_NET_WM_ICON,
XA_CARDINAL, 32, replace ? PropModeReplace : PropModeAppend,
(unsigned char*) icon->data, icon->length);
XFlush(xfc->display);
}
static xfAppWindow* xf_rail_get_window_by_id(xfContext* xfc, UINT32 windowId)
{
return (xfAppWindow*) HashTable_GetItemValue(xfc->railWindows,
(void*)(UINT_PTR) windowId);
}
static BOOL xf_rail_window_icon(rdpContext* context,
WINDOW_ORDER_INFO* orderInfo, WINDOW_ICON_ORDER* windowIcon)
{
xfContext* xfc = (xfContext*) context;
xfAppWindow* railWindow;
xfRailIcon* icon;
BOOL replaceIcon;
railWindow = xf_rail_get_window_by_id(xfc, orderInfo->windowId);
if (!railWindow)
return TRUE;
icon = RailIconCache_Lookup(xfc->railIconCache,
windowIcon->iconInfo->cacheId,
windowIcon->iconInfo->cacheEntry);
if (!icon)
{
WLog_WARN(TAG, "failed to get icon from cache %02X:%04X",
windowIcon->iconInfo->cacheId,
windowIcon->iconInfo->cacheEntry);
return FALSE;
}
if (!convert_rail_icon(windowIcon->iconInfo, icon))
{
WLog_WARN(TAG, "failed to convert icon for window %08X", orderInfo->windowId);
return FALSE;
}
replaceIcon = !!(orderInfo->fieldFlags & WINDOW_ORDER_STATE_NEW);
xf_rail_set_window_icon(xfc, railWindow, icon, replaceIcon);
return TRUE;
}
static BOOL xf_rail_window_cached_icon(rdpContext* context,
WINDOW_ORDER_INFO* orderInfo, WINDOW_CACHED_ICON_ORDER* windowCachedIcon)
{
xfContext* xfc = (xfContext*) context;
xfAppWindow* railWindow;
xfRailIcon* icon;
BOOL replaceIcon;
railWindow = xf_rail_get_window_by_id(xfc, orderInfo->windowId);
if (!railWindow)
return TRUE;
icon = RailIconCache_Lookup(xfc->railIconCache,
windowCachedIcon->cachedIcon.cacheId,
windowCachedIcon->cachedIcon.cacheEntry);
if (!icon)
{
WLog_WARN(TAG, "failed to get icon from cache %02X:%04X",
windowCachedIcon->cachedIcon.cacheId,
windowCachedIcon->cachedIcon.cacheEntry);
return FALSE;
}
replaceIcon = !!(orderInfo->fieldFlags & WINDOW_ORDER_STATE_NEW);
xf_rail_set_window_icon(xfc, railWindow, icon, replaceIcon);
return TRUE;
}
static BOOL xf_rail_notify_icon_common(rdpContext* context,
WINDOW_ORDER_INFO* orderInfo, NOTIFY_ICON_STATE_ORDER* notifyIconState)
{
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_NOTIFY_VERSION)
{
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_NOTIFY_TIP)
{
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_NOTIFY_INFO_TIP)
{
}
if (orderInfo->fieldFlags & WINDOW_ORDER_FIELD_NOTIFY_STATE)
{
}
if (orderInfo->fieldFlags & WINDOW_ORDER_ICON)
{
}
if (orderInfo->fieldFlags & WINDOW_ORDER_CACHED_ICON)
{
}
return TRUE;
}
static BOOL xf_rail_notify_icon_create(rdpContext* context,
WINDOW_ORDER_INFO* orderInfo, NOTIFY_ICON_STATE_ORDER* notifyIconState)
{
return xf_rail_notify_icon_common(context, orderInfo, notifyIconState);
}
static BOOL xf_rail_notify_icon_update(rdpContext* context,
WINDOW_ORDER_INFO* orderInfo, NOTIFY_ICON_STATE_ORDER* notifyIconState)
{
return xf_rail_notify_icon_common(context, orderInfo, notifyIconState);
}
static BOOL xf_rail_notify_icon_delete(rdpContext* context,
WINDOW_ORDER_INFO* orderInfo)
{
return TRUE;
}
static BOOL xf_rail_monitored_desktop(rdpContext* context,
WINDOW_ORDER_INFO* orderInfo, MONITORED_DESKTOP_ORDER* monitoredDesktop)
{
return TRUE;
}
static BOOL xf_rail_non_monitored_desktop(rdpContext* context,
WINDOW_ORDER_INFO* orderInfo)
{
xfContext* xfc = (xfContext*) context;
xf_rail_disable_remoteapp_mode(xfc);
return TRUE;
}
static void xf_rail_register_update_callbacks(rdpUpdate* update)
{
rdpWindowUpdate* window = update->window;
window->WindowCreate = xf_rail_window_common;
window->WindowUpdate = xf_rail_window_common;
window->WindowDelete = xf_rail_window_delete;
window->WindowIcon = xf_rail_window_icon;
window->WindowCachedIcon = xf_rail_window_cached_icon;
window->NotifyIconCreate = xf_rail_notify_icon_create;
window->NotifyIconUpdate = xf_rail_notify_icon_update;
window->NotifyIconDelete = xf_rail_notify_icon_delete;
window->MonitoredDesktop = xf_rail_monitored_desktop;
window->NonMonitoredDesktop = xf_rail_non_monitored_desktop;
}
/* RemoteApp Virtual Channel Extension */
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT xf_rail_server_execute_result(RailClientContext* context,
const RAIL_EXEC_RESULT_ORDER* execResult)
{
xfContext* xfc = (xfContext*) context->custom;
if (execResult->execResult != RAIL_EXEC_S_OK)
{
WLog_ERR(TAG, "RAIL exec error: execResult=%s NtError=0x%X\n",
error_code_names[execResult->execResult], execResult->rawResult);
freerdp_abort_connect(xfc->context.instance);
}
else
{
xf_rail_enable_remoteapp_mode(xfc);
}
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT xf_rail_server_system_param(RailClientContext* context,
const RAIL_SYSPARAM_ORDER* sysparam)
{
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT xf_rail_server_handshake(RailClientContext* context,
const RAIL_HANDSHAKE_ORDER* handshake)
{
UINT status;
RAIL_EXEC_ORDER exec = { 0 };
RAIL_SYSPARAM_ORDER sysparam = { 0 };
RAIL_HANDSHAKE_ORDER clientHandshake;
RAIL_CLIENT_STATUS_ORDER clientStatus = { 0 };
xfContext* xfc = (xfContext*) context->custom;
rdpSettings* settings = xfc->context.settings;
clientHandshake.buildNumber = 0x00001DB0;
status = context->ClientHandshake(context, &clientHandshake);
if (status != CHANNEL_RC_OK)
return status;
clientStatus.flags = RAIL_CLIENTSTATUS_ALLOWLOCALMOVESIZE;
status = context->ClientInformation(context, &clientStatus);
if (status != CHANNEL_RC_OK)
return status;
if (settings->RemoteAppLanguageBarSupported)
{
RAIL_LANGBAR_INFO_ORDER langBarInfo;
langBarInfo.languageBarStatus = 0x00000008; /* TF_SFT_HIDDEN */
context->ClientLanguageBarInfo(context, &langBarInfo);
}
sysparam.params = 0;
sysparam.params |= SPI_MASK_SET_HIGH_CONTRAST;
sysparam.highContrast.colorScheme.string = NULL;
sysparam.highContrast.colorScheme.length = 0;
sysparam.highContrast.flags = 0x7E;
sysparam.params |= SPI_MASK_SET_MOUSE_BUTTON_SWAP;
sysparam.mouseButtonSwap = FALSE;
sysparam.params |= SPI_MASK_SET_KEYBOARD_PREF;
sysparam.keyboardPref = FALSE;
sysparam.params |= SPI_MASK_SET_DRAG_FULL_WINDOWS;
sysparam.dragFullWindows = FALSE;
sysparam.params |= SPI_MASK_SET_KEYBOARD_CUES;
sysparam.keyboardCues = FALSE;
sysparam.params |= SPI_MASK_SET_WORK_AREA;
sysparam.workArea.left = 0;
sysparam.workArea.top = 0;
sysparam.workArea.right = settings->DesktopWidth;
sysparam.workArea.bottom = settings->DesktopHeight;
sysparam.dragFullWindows = FALSE;
status = context->ClientSystemParam(context, &sysparam);
if (status != CHANNEL_RC_OK)
return status;
exec.RemoteApplicationProgram = settings->RemoteApplicationProgram;
exec.RemoteApplicationWorkingDir = settings->ShellWorkingDirectory;
exec.RemoteApplicationArguments = settings->RemoteApplicationCmdLine;
return context->ClientExecute(context, &exec);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT xf_rail_server_handshake_ex(RailClientContext* context,
const RAIL_HANDSHAKE_EX_ORDER* handshakeEx)
{
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT xf_rail_server_local_move_size(RailClientContext* context,
const RAIL_LOCALMOVESIZE_ORDER* localMoveSize)
{
int x = 0, y = 0;
int direction = 0;
Window child_window;
xfAppWindow* appWindow = NULL;
xfContext* xfc = (xfContext*) context->custom;
appWindow = (xfAppWindow*) HashTable_GetItemValue(xfc->railWindows,
(void*)(UINT_PTR) localMoveSize->windowId);
if (!appWindow)
return ERROR_INTERNAL_ERROR;
switch (localMoveSize->moveSizeType)
{
case RAIL_WMSZ_LEFT:
direction = _NET_WM_MOVERESIZE_SIZE_LEFT;
x = localMoveSize->posX;
y = localMoveSize->posY;
break;
case RAIL_WMSZ_RIGHT:
direction = _NET_WM_MOVERESIZE_SIZE_RIGHT;
x = localMoveSize->posX;
y = localMoveSize->posY;
break;
case RAIL_WMSZ_TOP:
direction = _NET_WM_MOVERESIZE_SIZE_TOP;
x = localMoveSize->posX;
y = localMoveSize->posY;
break;
case RAIL_WMSZ_TOPLEFT:
direction = _NET_WM_MOVERESIZE_SIZE_TOPLEFT;
x = localMoveSize->posX;
y = localMoveSize->posY;
break;
case RAIL_WMSZ_TOPRIGHT:
direction = _NET_WM_MOVERESIZE_SIZE_TOPRIGHT;
x = localMoveSize->posX;
y = localMoveSize->posY;
break;
case RAIL_WMSZ_BOTTOM:
direction = _NET_WM_MOVERESIZE_SIZE_BOTTOM;
x = localMoveSize->posX;
y = localMoveSize->posY;
break;
case RAIL_WMSZ_BOTTOMLEFT:
direction = _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT;
x = localMoveSize->posX;
y = localMoveSize->posY;
break;
case RAIL_WMSZ_BOTTOMRIGHT:
direction = _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT;
x = localMoveSize->posX;
y = localMoveSize->posY;
break;
case RAIL_WMSZ_MOVE:
direction = _NET_WM_MOVERESIZE_MOVE;
XTranslateCoordinates(xfc->display, appWindow->handle,
RootWindowOfScreen(xfc->screen),
localMoveSize->posX, localMoveSize->posY, &x, &y, &child_window);
break;
case RAIL_WMSZ_KEYMOVE:
direction = _NET_WM_MOVERESIZE_MOVE_KEYBOARD;
x = localMoveSize->posX;
y = localMoveSize->posY;
/* FIXME: local keyboard moves not working */
return CHANNEL_RC_OK;
case RAIL_WMSZ_KEYSIZE:
direction = _NET_WM_MOVERESIZE_SIZE_KEYBOARD;
x = localMoveSize->posX;
y = localMoveSize->posY;
/* FIXME: local keyboard moves not working */
return CHANNEL_RC_OK;
}
if (localMoveSize->isMoveSizeStart)
xf_StartLocalMoveSize(xfc, appWindow, direction, x, y);
else
xf_EndLocalMoveSize(xfc, appWindow);
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT xf_rail_server_min_max_info(RailClientContext* context,
const RAIL_MINMAXINFO_ORDER* minMaxInfo)
{
xfAppWindow* appWindow = NULL;
xfContext* xfc = (xfContext*) context->custom;
appWindow = (xfAppWindow*) HashTable_GetItemValue(xfc->railWindows,
(void*)(UINT_PTR) minMaxInfo->windowId);
if (appWindow)
{
xf_SetWindowMinMaxInfo(xfc, appWindow,
minMaxInfo->maxWidth, minMaxInfo->maxHeight,
minMaxInfo->maxPosX, minMaxInfo->maxPosY,
minMaxInfo->minTrackWidth, minMaxInfo->minTrackHeight,
minMaxInfo->maxTrackWidth, minMaxInfo->maxTrackHeight);
}
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT xf_rail_server_language_bar_info(RailClientContext* context,
const RAIL_LANGBAR_INFO_ORDER* langBarInfo)
{
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT xf_rail_server_get_appid_response(RailClientContext* context,
const RAIL_GET_APPID_RESP_ORDER* getAppIdResp)
{
return CHANNEL_RC_OK;
}
static void rail_window_free(void* value)
{
xfAppWindow* appWindow = (xfAppWindow*) value;
if (!appWindow)
return;
xf_DestroyWindow(appWindow->xfc, appWindow);
}
int xf_rail_init(xfContext* xfc, RailClientContext* rail)
{
rdpContext* context = (rdpContext*) xfc;
if (!xfc || !rail)
return 0;
xfc->rail = rail;
xf_rail_register_update_callbacks(context->update);
rail->custom = (void*) xfc;
rail->ServerExecuteResult = xf_rail_server_execute_result;
rail->ServerSystemParam = xf_rail_server_system_param;
rail->ServerHandshake = xf_rail_server_handshake;
rail->ServerHandshakeEx = xf_rail_server_handshake_ex;
rail->ServerLocalMoveSize = xf_rail_server_local_move_size;
rail->ServerMinMaxInfo = xf_rail_server_min_max_info;
rail->ServerLanguageBarInfo = xf_rail_server_language_bar_info;
rail->ServerGetAppIdResponse = xf_rail_server_get_appid_response;
xfc->railWindows = HashTable_New(TRUE);
if (!xfc->railWindows)
return 0;
xfc->railWindows->valueFree = rail_window_free;
xfc->railIconCache = RailIconCache_New(xfc->context.settings);
if (!xfc->railIconCache)
{
HashTable_Free(xfc->railWindows);
return 0;
}
return 1;
}
int xf_rail_uninit(xfContext* xfc, RailClientContext* rail)
{
if (xfc->rail)
{
xfc->rail->custom = NULL;
xfc->rail = NULL;
}
if (xfc->railWindows)
{
HashTable_Free(xfc->railWindows);
xfc->railWindows = NULL;
}
if (xfc->railIconCache)
{
RailIconCache_Free(xfc->railIconCache);
xfc->railIconCache = NULL;
}
return 1;
}
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