/**
* FreeRDP: A Remote Desktop Protocol Implementation
* X11 Windows
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
* Copyright 2012 HP Development Company, LLC
* Copyright 2016 Thincast Technologies GmbH
* Copyright 2016 Armin Novak <armin.novak@thincast.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 <stdarg.h>
#include <unistd.h>
#include <sys/types.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <winpr/thread.h>
#include <winpr/crt.h>
#include <winpr/string.h>
#include <freerdp/rail.h>
#include <freerdp/log.h>
#ifdef WITH_XEXT
#include <X11/extensions/shape.h>
#endif
#ifdef WITH_XI
#include <X11/extensions/XInput2.h>
#include "xf_input.h"
#endif
#include "xf_rail.h"
#include "xf_input.h"
#define TAG CLIENT_TAG("x11")
#ifdef WITH_DEBUG_X11
#define DEBUG_X11(...) WLog_DBG(TAG, __VA_ARGS__)
#else
#define DEBUG_X11(...) \
do \
{ \
} while (0)
#endif
#include "FreeRDP_Icon_256px.h"
#define xf_icon_prop FreeRDP_Icon_256px_prop
#include "xf_window.h"
/* Extended Window Manager Hints: http://standards.freedesktop.org/wm-spec/wm-spec-1.3.html */
/* bit definitions for MwmHints.flags */
#define MWM_HINTS_FUNCTIONS (1L << 0)
#define MWM_HINTS_DECORATIONS (1L << 1)
#define MWM_HINTS_INPUT_MODE (1L << 2)
#define MWM_HINTS_STATUS (1L << 3)
/* bit definitions for MwmHints.functions */
#define MWM_FUNC_ALL (1L << 0)
#define MWM_FUNC_RESIZE (1L << 1)
#define MWM_FUNC_MOVE (1L << 2)
#define MWM_FUNC_MINIMIZE (1L << 3)
#define MWM_FUNC_MAXIMIZE (1L << 4)
#define MWM_FUNC_CLOSE (1L << 5)
/* bit definitions for MwmHints.decorations */
#define MWM_DECOR_ALL (1L << 0)
#define MWM_DECOR_BORDER (1L << 1)
#define MWM_DECOR_RESIZEH (1L << 2)
#define MWM_DECOR_TITLE (1L << 3)
#define MWM_DECOR_MENU (1L << 4)
#define MWM_DECOR_MINIMIZE (1L << 5)
#define MWM_DECOR_MAXIMIZE (1L << 6)
#define PROP_MOTIF_WM_HINTS_ELEMENTS 5
struct _PropMotifWmHints
{
unsigned long flags;
unsigned long functions;
unsigned long decorations;
long inputMode;
unsigned long status;
};
typedef struct _PropMotifWmHints PropMotifWmHints;
static void xf_SetWindowTitleText(xfContext* xfc, Window window, const char* name)
{
const size_t i = strnlen(name, MAX_PATH);
XStoreName(xfc->display, window, name);
Atom wm_Name = xfc->_NET_WM_NAME;
Atom utf8Str = xfc->UTF8_STRING;
XChangeProperty(xfc->display, window, wm_Name, utf8Str, 8, PropModeReplace,
(const unsigned char*)name, (int)i);
}
/**
* Post an event from the client to the X server
*/
void xf_SendClientEvent(xfContext* xfc, Window window, Atom atom, unsigned int numArgs, ...)
{
XEvent xevent;
unsigned int i;
va_list argp;
va_start(argp, numArgs);
ZeroMemory(&xevent, sizeof(XEvent));
xevent.xclient.type = ClientMessage;
xevent.xclient.serial = 0;
xevent.xclient.send_event = False;
xevent.xclient.display = xfc->display;
xevent.xclient.window = window;
xevent.xclient.message_type = atom;
xevent.xclient.format = 32;
for (i = 0; i < numArgs; i++)
{
xevent.xclient.data.l[i] = va_arg(argp, int);
}
DEBUG_X11("Send ClientMessage Event: wnd=0x%04lX", (unsigned long)xevent.xclient.window);
XSendEvent(xfc->display, RootWindowOfScreen(xfc->screen), False,
SubstructureRedirectMask | SubstructureNotifyMask, &xevent);
XSync(xfc->display, False);
va_end(argp);
}
void xf_SetWindowMinimized(xfContext* xfc, xfWindow* window)
{
XIconifyWindow(xfc->display, window->handle, xfc->screen_number);
}
void xf_SetWindowFullscreen(xfContext* xfc, xfWindow* window, BOOL fullscreen)
{
UINT32 i;
rdpSettings* settings = xfc->context.settings;
int startX, startY;
UINT32 width = window->width;
UINT32 height = window->height;
/* xfc->decorations is set by caller depending on settings and whether it is fullscreen or not
*/
window->decorations = xfc->decorations;
/* show/hide decorations (e.g. title bar) as guided by xfc->decorations */
xf_SetWindowDecorations(xfc, window->handle, window->decorations);
DEBUG_X11(TAG, "X window decoration set to %d", (int)window->decorations);
xf_floatbar_toggle_fullscreen(xfc->window->floatbar, fullscreen);
if (fullscreen)
{
xfc->savedWidth = xfc->window->width;
xfc->savedHeight = xfc->window->height;
xfc->savedPosX = xfc->window->left;
xfc->savedPosY = xfc->window->top;
startX = (settings->DesktopPosX != UINT32_MAX) ? settings->DesktopPosX : 0;
startY = (settings->DesktopPosY != UINT32_MAX) ? settings->DesktopPosY : 0;
}
else
{
width = xfc->savedWidth;
height = xfc->savedHeight;
startX = xfc->savedPosX;
startY = xfc->savedPosY;
}
/* Determine the x,y starting location for the fullscreen window */
if (fullscreen)
{
/* Initialize startX and startY with reasonable values */
startX = xfc->context.settings->MonitorDefArray[0].x;
startY = xfc->context.settings->MonitorDefArray[0].y;
/* Search all monitors to find the lowest startX and startY values */
for (i = 0; i < xfc->context.settings->MonitorCount; i++)
{
startX = MIN(startX, xfc->context.settings->MonitorDefArray[i].x);
startY = MIN(startY, xfc->context.settings->MonitorDefArray[i].y);
}
/* Lastly apply any monitor shift(translation from remote to local coordinate system)
* to startX and startY values
*/
startX += xfc->context.settings->MonitorLocalShiftX;
startY += xfc->context.settings->MonitorLocalShiftY;
}
/*
It is safe to proceed with simply toogling _NET_WM_STATE_FULLSCREEN window state on the
following conditions:
- The window manager supports multiple monitor full screen
- The user requested to use a single monitor to render the remote desktop
*/
if (xfc->_NET_WM_FULLSCREEN_MONITORS != None || settings->MonitorCount == 1)
{
xf_ResizeDesktopWindow(xfc, window, width, height);
if (fullscreen)
{
/* enter full screen: move the window before adding NET_WM_STATE_FULLSCREEN */
XMoveWindow(xfc->display, window->handle, startX, startY);
}
/* Set the fullscreen state */
xf_SendClientEvent(xfc, window->handle, xfc->_NET_WM_STATE, 4,
fullscreen ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE,
xfc->_NET_WM_STATE_FULLSCREEN, 0, 0);
if (!fullscreen)
{
/* leave full screen: move the window after removing NET_WM_STATE_FULLSCREEN */
XMoveWindow(xfc->display, window->handle, startX, startY);
}
/* Set monitor bounds */
if (settings->MonitorCount > 1)
{
xf_SendClientEvent(xfc, window->handle, xfc->_NET_WM_FULLSCREEN_MONITORS, 5,
xfc->fullscreenMonitors.top, xfc->fullscreenMonitors.bottom,
xfc->fullscreenMonitors.left, xfc->fullscreenMonitors.right, 1);
}
}
else
{
if (fullscreen)
{
xf_SetWindowDecorations(xfc, window->handle, FALSE);
if (xfc->fullscreenMonitors.top)
{
xf_SendClientEvent(xfc, window->handle, xfc->_NET_WM_STATE, 4, _NET_WM_STATE_ADD,
xfc->fullscreenMonitors.top, 0, 0);
}
else
{
XSetWindowAttributes xswa;
xswa.override_redirect = True;
XChangeWindowAttributes(xfc->display, window->handle, CWOverrideRedirect, &xswa);
XRaiseWindow(xfc->display, window->handle);
xswa.override_redirect = False;
XChangeWindowAttributes(xfc->display, window->handle, CWOverrideRedirect, &xswa);
}
/* if window is in maximized state, save and remove */
if (xfc->_NET_WM_STATE_MAXIMIZED_VERT != None)
{
BYTE state;
unsigned long nitems;
unsigned long bytes;
BYTE* prop;
if (xf_GetWindowProperty(xfc, window->handle, xfc->_NET_WM_STATE, 255, &nitems,
&bytes, &prop))
{
state = 0;
while (nitems-- > 0)
{
if (((Atom*)prop)[nitems] == xfc->_NET_WM_STATE_MAXIMIZED_VERT)
state |= 0x01;
if (((Atom*)prop)[nitems] == xfc->_NET_WM_STATE_MAXIMIZED_HORZ)
state |= 0x02;
}
if (state)
{
xf_SendClientEvent(xfc, window->handle, xfc->_NET_WM_STATE, 4,
_NET_WM_STATE_REMOVE, xfc->_NET_WM_STATE_MAXIMIZED_VERT,
0, 0);
xf_SendClientEvent(xfc, window->handle, xfc->_NET_WM_STATE, 4,
_NET_WM_STATE_REMOVE, xfc->_NET_WM_STATE_MAXIMIZED_HORZ,
0, 0);
xfc->savedMaximizedState = state;
}
XFree(prop);
}
}
width = xfc->vscreen.area.right - xfc->vscreen.area.left + 1;
height = xfc->vscreen.area.bottom - xfc->vscreen.area.top + 1;
DEBUG_X11("X window move and resize %dx%d@%dx%d", startX, startY, width, height);
xf_ResizeDesktopWindow(xfc, window, width, height);
XMoveWindow(xfc->display, window->handle, startX, startY);
}
else
{
xf_SetWindowDecorations(xfc, window->handle, window->decorations);
xf_ResizeDesktopWindow(xfc, window, width, height);
XMoveWindow(xfc->display, window->handle, startX, startY);
if (xfc->fullscreenMonitors.top)
{
xf_SendClientEvent(xfc, window->handle, xfc->_NET_WM_STATE, 4, _NET_WM_STATE_REMOVE,
xfc->fullscreenMonitors.top, 0, 0);
}
/* restore maximized state, if the window was maximized before setting fullscreen */
if (xfc->savedMaximizedState & 0x01)
{
xf_SendClientEvent(xfc, window->handle, xfc->_NET_WM_STATE, 4, _NET_WM_STATE_ADD,
xfc->_NET_WM_STATE_MAXIMIZED_VERT, 0, 0);
}
if (xfc->savedMaximizedState & 0x02)
{
xf_SendClientEvent(xfc, window->handle, xfc->_NET_WM_STATE, 4, _NET_WM_STATE_ADD,
xfc->_NET_WM_STATE_MAXIMIZED_HORZ, 0, 0);
}
xfc->savedMaximizedState = 0;
}
}
}
/* http://tronche.com/gui/x/xlib/window-information/XGetWindowProperty.html */
BOOL xf_GetWindowProperty(xfContext* xfc, Window window, Atom property, int length,
unsigned long* nitems, unsigned long* bytes, BYTE** prop)
{
int status;
Atom actual_type;
int actual_format;
if (property == None)
return FALSE;
status = XGetWindowProperty(xfc->display, window, property, 0, length, False, AnyPropertyType,
&actual_type, &actual_format, nitems, bytes, prop);
if (status != Success)
return FALSE;
if (actual_type == None)
{
WLog_INFO(TAG, "Property %lu does not exist", (unsigned long)property);
return FALSE;
}
return TRUE;
}
BOOL xf_GetCurrentDesktop(xfContext* xfc)
{
BOOL status;
unsigned long nitems;
unsigned long bytes;
unsigned char* prop;
status = xf_GetWindowProperty(xfc, DefaultRootWindow(xfc->display), xfc->_NET_CURRENT_DESKTOP,
1, &nitems, &bytes, &prop);
if (!status)
return FALSE;
xfc->current_desktop = (int)*prop;
free(prop);
return TRUE;
}
BOOL xf_GetWorkArea(xfContext* xfc)
{
long* plong;
BOOL status;
unsigned long nitems;
unsigned long bytes;
unsigned char* prop;
status = xf_GetCurrentDesktop(xfc);
if (!status)
return FALSE;
status = xf_GetWindowProperty(xfc, DefaultRootWindow(xfc->display), xfc->_NET_WORKAREA, 32 * 4,
&nitems, &bytes, &prop);
if (!status)
return FALSE;
if ((xfc->current_desktop * 4 + 3) >= (INT64)nitems)
{
free(prop);
return FALSE;
}
plong = (long*)prop;
xfc->workArea.x = plong[xfc->current_desktop * 4 + 0];
xfc->workArea.y = plong[xfc->current_desktop * 4 + 1];
xfc->workArea.width = plong[xfc->current_desktop * 4 + 2];
xfc->workArea.height = plong[xfc->current_desktop * 4 + 3];
free(prop);
return TRUE;
}
void xf_SetWindowDecorations(xfContext* xfc, Window window, BOOL show)
{
PropMotifWmHints hints;
hints.decorations = (show) ? MWM_DECOR_ALL : 0;
hints.functions = MWM_FUNC_ALL;
hints.flags = MWM_HINTS_DECORATIONS | MWM_HINTS_FUNCTIONS;
hints.inputMode = 0;
hints.status = 0;
XChangeProperty(xfc->display, window, xfc->_MOTIF_WM_HINTS, xfc->_MOTIF_WM_HINTS, 32,
PropModeReplace, (BYTE*)&hints, PROP_MOTIF_WM_HINTS_ELEMENTS);
}
void xf_SetWindowUnlisted(xfContext* xfc, Window window)
{
Atom window_state[2];
window_state[0] = xfc->_NET_WM_STATE_SKIP_PAGER;
window_state[1] = xfc->_NET_WM_STATE_SKIP_TASKBAR;
XChangeProperty(xfc->display, window, xfc->_NET_WM_STATE, XA_ATOM, 32, PropModeReplace,
(BYTE*)&window_state, 2);
}
static void xf_SetWindowPID(xfContext* xfc, Window window, pid_t pid)
{
Atom am_wm_pid;
if (!pid)
pid = getpid();
am_wm_pid = xfc->_NET_WM_PID;
XChangeProperty(xfc->display, window, am_wm_pid, XA_CARDINAL, 32, PropModeReplace, (BYTE*)&pid,
1);
}
static const char* get_shm_id(void)
{
static char shm_id[64];
sprintf_s(shm_id, sizeof(shm_id), "/com.freerdp.xfreerdp.tsmf_%016X", GetCurrentProcessId());
return shm_id;
}
Window xf_CreateDummyWindow(xfContext* xfc)
{
return XCreateSimpleWindow(xfc->display, DefaultRootWindow(xfc->display), 0, 0, 1, 1, 0, 0, 0);
}
void xf_DestroyDummyWindow(xfContext* xfc, Window window)
{
if (window)
XDestroyWindow(xfc->display, window);
}
xfWindow* xf_CreateDesktopWindow(xfContext* xfc, char* name, int width, int height)
{
XEvent xevent;
int input_mask;
xfWindow* window;
Window parentWindow;
XClassHint* classHints;
rdpSettings* settings;
window = (xfWindow*)calloc(1, sizeof(xfWindow));
if (!window)
return NULL;
settings = xfc->context.settings;
parentWindow = (Window)xfc->context.settings->ParentWindowId;
window->width = width;
window->height = height;
window->decorations = xfc->decorations;
window->is_mapped = FALSE;
window->is_transient = FALSE;
window->handle = XCreateWindow(xfc->display, RootWindowOfScreen(xfc->screen), xfc->workArea.x,
xfc->workArea.y, xfc->workArea.width, xfc->workArea.height, 0,
xfc->depth, InputOutput, xfc->visual,
CWBackPixel | CWBackingStore | CWOverrideRedirect | CWColormap |
CWBorderPixel | CWWinGravity | CWBitGravity,
&xfc->attribs);
window->shmid = shm_open(get_shm_id(), (O_CREAT | O_RDWR), (S_IREAD | S_IWRITE));
if (window->shmid < 0)
{
DEBUG_X11("xf_CreateDesktopWindow: failed to get access to shared memory - shmget()\n");
}
else
{
void* mem;
ftruncate(window->shmid, sizeof(window->handle));
mem = mmap(0, sizeof(window->handle), PROT_READ | PROT_WRITE, MAP_SHARED, window->shmid, 0);
if (mem == MAP_FAILED)
{
DEBUG_X11("xf_CreateDesktopWindow: failed to assign pointer to the memory address - "
"shmat()\n");
}
else
{
window->xfwin = mem;
*window->xfwin = window->handle;
}
}
classHints = XAllocClassHint();
if (classHints)
{
classHints->res_name = "xfreerdp";
if (xfc->context.settings->WmClass)
classHints->res_class = xfc->context.settings->WmClass;
else
classHints->res_class = "xfreerdp";
XSetClassHint(xfc->display, window->handle, classHints);
XFree(classHints);
}
xf_ResizeDesktopWindow(xfc, window, width, height);
xf_SetWindowDecorations(xfc, window->handle, window->decorations);
xf_SetWindowPID(xfc, window->handle, 0);
input_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
VisibilityChangeMask | FocusChangeMask | StructureNotifyMask | PointerMotionMask |
ExposureMask | PropertyChangeMask;
if (xfc->grab_keyboard)
input_mask |= EnterWindowMask | LeaveWindowMask;
XChangeProperty(xfc->display, window->handle, xfc->_NET_WM_ICON, XA_CARDINAL, 32,
PropModeReplace, (BYTE*)xf_icon_prop, ARRAYSIZE(xf_icon_prop));
if (parentWindow)
XReparentWindow(xfc->display, window->handle, parentWindow, 0, 0);
XSelectInput(xfc->display, window->handle, input_mask);
XClearWindow(xfc->display, window->handle);
xf_SetWindowTitleText(xfc, window->handle, name);
XMapWindow(xfc->display, window->handle);
xf_input_init(xfc, window->handle);
/*
* NOTE: This must be done here to handle reparenting the window,
* so that we don't miss the event and hang waiting for the next one
*/
do
{
XMaskEvent(xfc->display, VisibilityChangeMask, &xevent);
} while (xevent.type != VisibilityNotify);
/*
* The XCreateWindow call will start the window in the upper-left corner of our current
* monitor instead of the upper-left monitor for remote app mode (which uses all monitors).
* This extra call after the window is mapped will position the login window correctly
*/
if (xfc->context.settings->RemoteApplicationMode)
{
XMoveWindow(xfc->display, window->handle, 0, 0);
}
else if (settings->DesktopPosX != UINT32_MAX && settings->DesktopPosY != UINT32_MAX)
{
XMoveWindow(xfc->display, window->handle, settings->DesktopPosX, settings->DesktopPosY);
}
window->floatbar = xf_floatbar_new(xfc, window->handle, name, settings->Floatbar);
return window;
}
void xf_ResizeDesktopWindow(xfContext* xfc, xfWindow* window, int width, int height)
{
XSizeHints* size_hints;
rdpSettings* settings = NULL;
if (!xfc || !window)
return;
settings = xfc->context.settings;
if (!(size_hints = XAllocSizeHints()))
return;
size_hints->flags = PMinSize | PMaxSize | PWinGravity;
size_hints->win_gravity = NorthWestGravity;
size_hints->min_width = size_hints->min_height = 1;
size_hints->max_width = size_hints->max_height = 16384;
XResizeWindow(xfc->display, window->handle, width, height);
#ifdef WITH_XRENDER
if (!settings->SmartSizing && !settings->DynamicResolutionUpdate)
#endif
{
if (!xfc->fullscreen)
{
/* min == max is an hint for the WM to indicate that the window should
* not be resizable */
size_hints->min_width = size_hints->max_width = width;
size_hints->min_height = size_hints->max_height = height;
}
}
XSetWMNormalHints(xfc->display, window->handle, size_hints);
XFree(size_hints);
}
void xf_DestroyDesktopWindow(xfContext* xfc, xfWindow* window)
{
if (!window)
return;
if (xfc->window == window)
xfc->window = NULL;
xf_floatbar_free(window->floatbar);
if (window->gc)
XFreeGC(xfc->display, window->gc);
if (window->handle)
{
XUnmapWindow(xfc->display, window->handle);
XDestroyWindow(xfc->display, window->handle);
}
if (window->xfwin)
munmap(0, sizeof(*window->xfwin));
if (window->shmid >= 0)
close(window->shmid);
shm_unlink(get_shm_id());
window->xfwin = (Window*)-1;
window->shmid = -1;
free(window);
}
void xf_SetWindowStyle(xfContext* xfc, xfAppWindow* appWindow, UINT32 style, UINT32 ex_style)
{
Atom window_type;
BOOL redirect = FALSE;
if ((ex_style & WS_EX_NOACTIVATE) || (ex_style & WS_EX_TOOLWINDOW))
{
redirect = TRUE;
appWindow->is_transient = TRUE;
xf_SetWindowUnlisted(xfc, appWindow->handle);
window_type = xfc->_NET_WM_WINDOW_TYPE_DROPDOWN_MENU;
}
/*
* TOPMOST window that is not a tool window is treated like a regular window (i.e. task
* manager). Want to do this here, since the window may have type WS_POPUP
*/
else if (ex_style & WS_EX_TOPMOST)
{
window_type = xfc->_NET_WM_WINDOW_TYPE_NORMAL;
}
else if (style & WS_POPUP)
{
/* this includes dialogs, popups, etc, that need to be full-fledged windows */
appWindow->is_transient = TRUE;
window_type = xfc->_NET_WM_WINDOW_TYPE_DIALOG;
xf_SetWindowUnlisted(xfc, appWindow->handle);
}
else
{
window_type = xfc->_NET_WM_WINDOW_TYPE_NORMAL;
}
{
/*
* Tooltips and menu items should be unmanaged windows
* (called "override redirect" in X windows parlance)
* If they are managed, there are issues with window focus that
* cause the windows to behave improperly. For example, a mouse
* press will dismiss a drop-down menu because the RDP server
* sees that as a focus out event from the window owning the
* dropdown.
*/
XSetWindowAttributes attrs;
attrs.override_redirect = redirect ? True : False;
XChangeWindowAttributes(xfc->display, appWindow->handle, CWOverrideRedirect, &attrs);
}
XChangeProperty(xfc->display, appWindow->handle, xfc->_NET_WM_WINDOW_TYPE, XA_ATOM, 32,
PropModeReplace, (BYTE*)&window_type, 1);
}
void xf_SetWindowText(xfContext* xfc, xfAppWindow* appWindow, const char* name)
{
xf_SetWindowTitleText(xfc, appWindow->handle, name);
}
static void xf_FixWindowCoordinates(xfContext* xfc, int* x, int* y, int* width, int* height)
{
int vscreen_width;
int vscreen_height;
vscreen_width = xfc->vscreen.area.right - xfc->vscreen.area.left + 1;
vscreen_height = xfc->vscreen.area.bottom - xfc->vscreen.area.top + 1;
if (*x < xfc->vscreen.area.left)
{
*width += *x;
*x = xfc->vscreen.area.left;
}
if (*y < xfc->vscreen.area.top)
{
*height += *y;
*y = xfc->vscreen.area.top;
}
if (*width > vscreen_width)
{
*width = vscreen_width;
}
if (*height > vscreen_height)
{
*height = vscreen_height;
}
if (*width < 1)
{
*width = 1;
}
if (*height < 1)
{
*height = 1;
}
}
int xf_AppWindowInit(xfContext* xfc, xfAppWindow* appWindow)
{
if (!xfc || !appWindow)
return -1;
xf_SetWindowDecorations(xfc, appWindow->handle, appWindow->decorations);
xf_SetWindowStyle(xfc, appWindow, appWindow->dwStyle, appWindow->dwExStyle);
xf_SetWindowPID(xfc, appWindow->handle, 0);
xf_ShowWindow(xfc, appWindow, WINDOW_SHOW);
XClearWindow(xfc->display, appWindow->handle);
XMapWindow(xfc->display, appWindow->handle);
/* Move doesn't seem to work until window is mapped. */
xf_MoveWindow(xfc, appWindow, appWindow->x, appWindow->y, appWindow->width, appWindow->height);
xf_SetWindowText(xfc, appWindow, appWindow->title);
return 1;
}
int xf_AppWindowCreate(xfContext* xfc, xfAppWindow* appWindow)
{
XGCValues gcv;
int input_mask;
XWMHints* InputModeHint;
XClassHint* class_hints;
xf_FixWindowCoordinates(xfc, &appWindow->x, &appWindow->y, &appWindow->width,
&appWindow->height);
appWindow->decorations = FALSE;
appWindow->fullscreen = FALSE;
appWindow->local_move.state = LMS_NOT_ACTIVE;
appWindow->is_mapped = FALSE;
appWindow->is_transient = FALSE;
appWindow->rail_state = 0;
appWindow->rail_ignore_configure = FALSE;
appWindow->handle = XCreateWindow(xfc->display, RootWindowOfScreen(xfc->screen), appWindow->x,
appWindow->y, appWindow->width, appWindow->height, 0,
xfc->depth, InputOutput, xfc->visual, 0, &xfc->attribs);
if (!appWindow->handle)
return -1;
ZeroMemory(&gcv, sizeof(gcv));
appWindow->gc = XCreateGC(xfc->display, appWindow->handle, GCGraphicsExposures, &gcv);
class_hints = XAllocClassHint();
if (class_hints)
{
char* class = NULL;
if (xfc->context.settings->WmClass)
{
class_hints->res_class = xfc->context.settings->WmClass;
}
else
{
class = malloc(sizeof("RAIL:00000000"));
sprintf_s(class, sizeof("RAIL:00000000"), "RAIL:%08" PRIX64 "", appWindow->windowId);
class_hints->res_class = class;
}
class_hints->res_name = "RAIL";
XSetClassHint(xfc->display, appWindow->handle, class_hints);
XFree(class_hints);
free(class);
}
/* Set the input mode hint for the WM */
InputModeHint = XAllocWMHints();
InputModeHint->flags = (1L << 0);
InputModeHint->input = True;
XSetWMHints(xfc->display, appWindow->handle, InputModeHint);
XFree(InputModeHint);
XSetWMProtocols(xfc->display, appWindow->handle, &(xfc->WM_DELETE_WINDOW), 1);
input_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
EnterWindowMask | LeaveWindowMask | PointerMotionMask | Button1MotionMask |
Button2MotionMask | Button3MotionMask | Button4MotionMask | Button5MotionMask |
ButtonMotionMask | KeymapStateMask | ExposureMask | VisibilityChangeMask |
StructureNotifyMask | SubstructureNotifyMask | SubstructureRedirectMask |
FocusChangeMask | PropertyChangeMask | ColormapChangeMask | OwnerGrabButtonMask;
XSelectInput(xfc->display, appWindow->handle, input_mask);
return 1;
}
void xf_SetWindowMinMaxInfo(xfContext* xfc, xfAppWindow* appWindow, int maxWidth, int maxHeight,
int maxPosX, int maxPosY, int minTrackWidth, int minTrackHeight,
int maxTrackWidth, int maxTrackHeight)
{
XSizeHints* size_hints;
size_hints = XAllocSizeHints();
if (size_hints)
{
size_hints->flags = PMinSize | PMaxSize | PResizeInc;
size_hints->min_width = minTrackWidth;
size_hints->min_height = minTrackHeight;
size_hints->max_width = maxTrackWidth;
size_hints->max_height = maxTrackHeight;
/* to speedup window drawing we need to select optimal value for sizing step. */
size_hints->width_inc = size_hints->height_inc = 1;
XSetWMNormalHints(xfc->display, appWindow->handle, size_hints);
XFree(size_hints);
}
}
void xf_StartLocalMoveSize(xfContext* xfc, xfAppWindow* appWindow, int direction, int x, int y)
{
if (appWindow->local_move.state != LMS_NOT_ACTIVE)
return;
/*
* Save original mouse location relative to root. This will be needed
* to end local move to RDP server and/or X server
*/
appWindow->local_move.root_x = x;
appWindow->local_move.root_y = y;
appWindow->local_move.state = LMS_STARTING;
appWindow->local_move.direction = direction;
XUngrabPointer(xfc->display, CurrentTime);
xf_SendClientEvent(
xfc, appWindow->handle,
xfc->_NET_WM_MOVERESIZE, /* request X window manager to initiate a local move */
5, /* 5 arguments to follow */
x, /* x relative to root window */
y, /* y relative to root window */
direction, /* extended ICCM direction flag */
1, /* simulated mouse button 1 */
1); /* 1 == application request per extended ICCM */
}
void xf_EndLocalMoveSize(xfContext* xfc, xfAppWindow* appWindow)
{
if (appWindow->local_move.state == LMS_NOT_ACTIVE)
return;
if (appWindow->local_move.state == LMS_STARTING)
{
/*
* The move never was property started. This can happen due to race
* conditions between the mouse button up and the communications to the
* RDP server for local moves. We must cancel the X window manager move.
* Per ICCM, the X client can ask to cancel an active move.
*/
xf_SendClientEvent(
xfc, appWindow->handle,
xfc->_NET_WM_MOVERESIZE, /* request X window manager to abort a local move */
5, /* 5 arguments to follow */
appWindow->local_move.root_x, /* x relative to root window */
appWindow->local_move.root_y, /* y relative to root window */
_NET_WM_MOVERESIZE_CANCEL, /* extended ICCM direction flag */
1, /* simulated mouse button 1 */
1); /* 1 == application request per extended ICCM */
}
appWindow->local_move.state = LMS_NOT_ACTIVE;
}
void xf_MoveWindow(xfContext* xfc, xfAppWindow* appWindow, int x, int y, int width, int height)
{
BOOL resize = FALSE;
if ((width * height) < 1)
return;
if ((appWindow->width != width) || (appWindow->height != height))
resize = TRUE;
if (appWindow->local_move.state == LMS_STARTING || appWindow->local_move.state == LMS_ACTIVE)
return;
appWindow->x = x;
appWindow->y = y;
appWindow->width = width;
appWindow->height = height;
if (resize)
XMoveResizeWindow(xfc->display, appWindow->handle, x, y, width, height);
else
XMoveWindow(xfc->display, appWindow->handle, x, y);
xf_UpdateWindowArea(xfc, appWindow, 0, 0, width, height);
}
void xf_ShowWindow(xfContext* xfc, xfAppWindow* appWindow, BYTE state)
{
switch (state)
{
case WINDOW_HIDE:
XWithdrawWindow(xfc->display, appWindow->handle, xfc->screen_number);
break;
case WINDOW_SHOW_MINIMIZED:
XIconifyWindow(xfc->display, appWindow->handle, xfc->screen_number);
break;
case WINDOW_SHOW_MAXIMIZED:
/* Set the window as maximized */
xf_SendClientEvent(xfc, appWindow->handle, xfc->_NET_WM_STATE, 4, _NET_WM_STATE_ADD,
xfc->_NET_WM_STATE_MAXIMIZED_VERT, xfc->_NET_WM_STATE_MAXIMIZED_HORZ,
0);
/*
* This is a workaround for the case where the window is maximized locally before the
* rail server is told to maximize the window, this appears to be a race condition where
* the local window with incomplete data and once the window is actually maximized on
* the server
* - an update of the new areas may not happen. So, we simply to do a full update of the
* entire window once the rail server notifies us that the window is now maximized.
*/
if (appWindow->rail_state == WINDOW_SHOW_MAXIMIZED)
{
xf_UpdateWindowArea(xfc, appWindow, 0, 0, appWindow->windowWidth,
appWindow->windowHeight);
}
break;
case WINDOW_SHOW:
/* Ensure the window is not maximized */
xf_SendClientEvent(xfc, appWindow->handle, xfc->_NET_WM_STATE, 4, _NET_WM_STATE_REMOVE,
xfc->_NET_WM_STATE_MAXIMIZED_VERT, xfc->_NET_WM_STATE_MAXIMIZED_HORZ,
0);
/*
* Ignore configure requests until both the Maximized properties have been processed
* to prevent condition where WM overrides size of request due to one or both of these
* properties still being set - which causes a position adjustment to be sent back to
* the server thus causing the window to not return to its original size
*/
if (appWindow->rail_state == WINDOW_SHOW_MAXIMIZED)
appWindow->rail_ignore_configure = TRUE;
if (appWindow->is_transient)
xf_SetWindowUnlisted(xfc, appWindow->handle);
XMapWindow(xfc->display, appWindow->handle);
break;
}
/* Save the current rail state of this window */
appWindow->rail_state = state;
XFlush(xfc->display);
}
void xf_SetWindowRects(xfContext* xfc, xfAppWindow* appWindow, RECTANGLE_16* rects, int nrects)
{
int i;
XRectangle* xrects;
if (nrects < 1)
return;
#ifdef WITH_XEXT
xrects = (XRectangle*)calloc(nrects, sizeof(XRectangle));
for (i = 0; i < nrects; i++)
{
xrects[i].x = rects[i].left;
xrects[i].y = rects[i].top;
xrects[i].width = rects[i].right - rects[i].left;
xrects[i].height = rects[i].bottom - rects[i].top;
}
XShapeCombineRectangles(xfc->display, appWindow->handle, ShapeBounding, 0, 0, xrects, nrects,
ShapeSet, 0);
free(xrects);
#endif
}
void xf_SetWindowVisibilityRects(xfContext* xfc, xfAppWindow* appWindow, UINT32 rectsOffsetX,
UINT32 rectsOffsetY, RECTANGLE_16* rects, int nrects)
{
int i;
XRectangle* xrects;
if (nrects < 1)
return;
#ifdef WITH_XEXT
xrects = (XRectangle*)calloc(nrects, sizeof(XRectangle));
for (i = 0; i < nrects; i++)
{
xrects[i].x = rects[i].left;
xrects[i].y = rects[i].top;
xrects[i].width = rects[i].right - rects[i].left;
xrects[i].height = rects[i].bottom - rects[i].top;
}
XShapeCombineRectangles(xfc->display, appWindow->handle, ShapeBounding, rectsOffsetX,
rectsOffsetY, xrects, nrects, ShapeSet, 0);
free(xrects);
#endif
}
void xf_UpdateWindowArea(xfContext* xfc, xfAppWindow* appWindow, int x, int y, int width,
int height)
{
int ax, ay;
if (appWindow == NULL)
return;
if (appWindow->surfaceId < UINT16_MAX)
return;
ax = x + appWindow->windowOffsetX;
ay = y + appWindow->windowOffsetY;
if (ax + width > appWindow->windowOffsetX + appWindow->width)
width = (appWindow->windowOffsetX + appWindow->width - 1) - ax;
if (ay + height > appWindow->windowOffsetY + appWindow->height)
height = (appWindow->windowOffsetY + appWindow->height - 1) - ay;
xf_lock_x11(xfc);
if (xfc->context.settings->SoftwareGdi)
{
XPutImage(xfc->display, xfc->primary, appWindow->gc, xfc->image, ax, ay, ax, ay, width,
height);
}
XCopyArea(xfc->display, xfc->primary, appWindow->handle, appWindow->gc, ax, ay, width, height,
x, y);
XFlush(xfc->display);
xf_unlock_x11(xfc);
}
void xf_DestroyWindow(xfContext* xfc, xfAppWindow* appWindow)
{
if (!appWindow)
return;
if (appWindow->gc)
XFreeGC(xfc->display, appWindow->gc);
if (appWindow->handle)
{
XUnmapWindow(xfc->display, appWindow->handle);
XDestroyWindow(xfc->display, appWindow->handle);
}
if (appWindow->xfwin)
munmap(0, sizeof(*appWindow->xfwin));
if (appWindow->shmid >= 0)
close(appWindow->shmid);
shm_unlink(get_shm_id());
appWindow->xfwin = (Window*)-1;
appWindow->shmid = -1;
free(appWindow->title);
free(appWindow->windowRects);
free(appWindow->visibilityRects);
free(appWindow);
}
xfAppWindow* xf_AppWindowFromX11Window(xfContext* xfc, Window wnd)
{
int index;
int count;
ULONG_PTR* pKeys = NULL;
xfAppWindow* appWindow;
count = HashTable_GetKeys(xfc->railWindows, &pKeys);
for (index = 0; index < count; index++)
{
appWindow = xf_rail_get_window(xfc, *(UINT64*)pKeys[index]);
if (!appWindow)
return NULL;
if (appWindow->handle == wnd)
{
free(pKeys);
return appWindow;
}
}
free(pKeys);
return NULL;
}