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FreeRDP/client/X11/xf_window.c

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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* X11 Windows
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
* Copyright 2012 HP Development Company, LLC
*
* 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/shm.h>
#include <sys/ipc.h>
#include <winpr/crt.h>
#include <freerdp/rail.h>
#include <freerdp/utils/rail.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_input.h"
#ifdef WITH_DEBUG_X11
#define DEBUG_X11(fmt, ...) DEBUG_CLASS(X11, fmt, ## __VA_ARGS__)
#else
#define DEBUG_X11(fmt, ...) DEBUG_NULL(fmt, ## __VA_ARGS__)
#endif
#ifdef WITH_DEBUG_X11_LOCAL_MOVESIZE
#define DEBUG_X11_LMS(fmt, ...) DEBUG_CLASS(X11_LMS, fmt, ## __VA_ARGS__)
#else
#define DEBUG_X11_LMS(fmt, ...) DEBUG_NULL(fmt, ## __VA_ARGS__)
#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
/* to be accessed by gstreamer plugin */
#define SHARED_MEM_KEY 7777
struct _PropMotifWmHints
{
unsigned long flags;
unsigned long functions;
unsigned long decorations;
long inputMode;
unsigned long status;
};
typedef struct _PropMotifWmHints PropMotifWmHints;
/**
* Post an event from the client to the X server
*/
void xf_SendClientEvent(xfContext* xfc, xfWindow* window, Atom atom, unsigned int numArgs, ...)
{
XEvent xevent;
unsigned int i;
va_list argp;
va_start(argp, numArgs);
xevent.xclient.type = ClientMessage;
xevent.xclient.serial = 0;
xevent.xclient.send_event = False;
xevent.xclient.display = xfc->display;
xevent.xclient.window = window->handle;
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%04X", (unsigned int) xevent.xclient.window);
XSendEvent(xfc->display, RootWindowOfScreen(xfc->screen), False,
SubstructureRedirectMask | SubstructureNotifyMask, &xevent);
XSync(xfc->display, False);
va_end(argp);
}
void xf_SetWindowFullscreen(xfContext* xfc, xfWindow* window, BOOL fullscreen)
{
if (fullscreen)
{
rdpSettings* settings = xfc->instance->settings;
xf_SetWindowDecorations(xfc, window, FALSE);
XMoveResizeWindow(xfc->display, window->handle, settings->DesktopPosX, settings->DesktopPosY, window->width, window->height);
XMapRaised(xfc->display, window->handle);
window->fullscreen = TRUE;
}
}
/* 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)
{
DEBUG_WARN("Property %lu does not exist", 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 != TRUE)
return FALSE;
status = xf_GetWindowProperty(xfc, DefaultRootWindow(xfc->display),
xfc->_NET_WORKAREA, 32 * 4, &nitems, &bytes, &prop);
if (status != TRUE)
return FALSE;
if ((xfc->current_desktop * 4 + 3) >= 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, xfWindow* 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->handle, xfc->_MOTIF_WM_HINTS, xfc->_MOTIF_WM_HINTS, 32,
PropModeReplace, (BYTE*) &hints, PROP_MOTIF_WM_HINTS_ELEMENTS);
}
void xf_SetWindowUnlisted(xfContext* xfc, xfWindow* 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->handle, xfc->_NET_WM_STATE,
XA_ATOM, 32, PropModeReplace, (BYTE*) &window_state, 2);
}
void xf_SetWindowStyle(xfContext* xfc, xfWindow* window, UINT32 style, UINT32 ex_style)
{
Atom window_type;
if (/*(ex_style & WS_EX_TOPMOST) ||*/ (ex_style & WS_EX_TOOLWINDOW))
{
/*
* 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 = True;
XChangeWindowAttributes(xfc->display, window->handle, CWOverrideRedirect, &attrs);
window->is_transient = TRUE;
xf_SetWindowUnlisted(xfc, window);
window_type = xfc->_NET_WM_WINDOW_TYPE_POPUP;
}
/*
* TOPMOST window that is not a toolwindow is treated like a regular window(ie. 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 */
window->is_transient = TRUE;
window_type = xfc->_NET_WM_WINDOW_TYPE_DIALOG;
xf_SetWindowUnlisted(xfc, window);
}
else
{
window_type = xfc->_NET_WM_WINDOW_TYPE_NORMAL;
}
XChangeProperty(xfc->display, window->handle, xfc->_NET_WM_WINDOW_TYPE,
XA_ATOM, 32, PropModeReplace, (BYTE*) &window_type, 1);
}
void xf_SetWindowText(xfContext* xfc, xfWindow* window, char *name)
{
XStoreName(xfc->display, window->handle, name);
}
static void xf_SetWindowPID(xfContext* xfc, xfWindow* window, pid_t pid)
{
Atom am_wm_pid;
if (!pid)
pid = getpid();
am_wm_pid = XInternAtom(xfc->display, "_NET_WM_PID", False);
XChangeProperty(xfc->display, window->handle, am_wm_pid, XA_CARDINAL,
32, PropModeReplace, (unsigned char *)&pid, 1);
}
xfWindow* xf_CreateDesktopWindow(xfContext* xfc, char* name, int width, int height, BOOL decorations)
{
xfWindow* window;
XEvent xevent;
rdpSettings* settings;
window = (xfWindow*) malloc(sizeof(xfWindow));
ZeroMemory(window, sizeof(xfWindow));
settings = xfc->instance->settings;
if (window)
{
int shmid;
int input_mask;
XClassHint* class_hints;
window->width = width;
window->height = height;
window->fullscreen = FALSE;
window->decorations = decorations;
window->local_move.state = LMS_NOT_ACTIVE;
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);
shmid = shmget(SHARED_MEM_KEY, sizeof(int), IPC_CREAT | 0666);
if (shmid < 0)
{
DEBUG_X11("xf_CreateDesktopWindow: failed to get access to shared memory - shmget()\n");
}
else
{
int* xfwin = shmat(shmid, NULL, 0);
if (xfwin == (int*) -1)
{
DEBUG_X11("xf_CreateDesktopWindow: failed to assign pointer to the memory address - shmat()\n");
}
else
{
*xfwin = (int) window->handle;
}
}
class_hints = XAllocClassHint();
if (class_hints)
{
class_hints->res_name = "xfreerdp";
if (xfc->instance->settings->WmClass)
class_hints->res_class = xfc->instance->settings->WmClass;
else
class_hints->res_class = "xfreerdp";
XSetClassHint(xfc->display, window->handle, class_hints);
XFree(class_hints);
}
xf_ResizeDesktopWindow(xfc, window, width, height);
xf_SetWindowDecorations(xfc, window, decorations);
xf_SetWindowPID(xfc, window, 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 (xfc->settings->ParentWindowId)
XReparentWindow(xfc->display, window->handle, (Window) xfc->settings->ParentWindowId, 0, 0);
XSelectInput(xfc->display, window->handle, input_mask);
XClearWindow(xfc->display, window->handle);
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->instance->settings->RemoteApplicationMode)
{
XMoveWindow(xfc->display, window->handle, 0, 0);
}
else if (settings->DesktopPosX || settings->DesktopPosY)
{
XMoveWindow(xfc->display, window->handle, settings->DesktopPosX, settings->DesktopPosY);
}
}
xf_SetWindowText(xfc, window, name);
return window;
}
void xf_ResizeDesktopWindow(xfContext* xfc, xfWindow* window, int width, int height)
{
XSizeHints* size_hints;
size_hints = XAllocSizeHints();
if (size_hints)
{
size_hints->flags = PMinSize | PMaxSize;
size_hints->min_width = size_hints->max_width = xfc->width;
size_hints->min_height = size_hints->max_height = xfc->height;
XSetWMNormalHints(xfc->display, window->handle, size_hints);
XResizeWindow(xfc->display, window->handle, xfc->width, xfc->height);
XFree(size_hints);
}
}
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 (*width < 1)
{
*width = 1;
}
if (*height < 1)
{
*height = 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;
}
}
char rail_window_class[] = "RAIL:00000000";
xfWindow* xf_CreateWindow(xfContext* xfc, rdpWindow* wnd, int x, int y, int width, int height, UINT32 id)
{
XGCValues gcv;
int input_mask;
xfWindow* window;
XWMHints* InputModeHint;
XClassHint* class_hints;
window = (xfWindow*) malloc(sizeof(xfWindow));
ZeroMemory(window, sizeof(xfWindow));
xf_FixWindowCoordinates(xfc, &x, &y, &width, &height);
window->left = x;
window->top = y;
window->right = x + width - 1;
window->bottom = y + height - 1;
window->width = width;
window->height = height;
/*
* WS_EX_DECORATIONS is used by XRDP and instructs
* the client to use local window decorations
*/
window->decorations = (wnd->extendedStyle & WS_EX_DECORATIONS) ? TRUE : FALSE;
window->fullscreen = FALSE;
window->window = wnd;
window->local_move.state = LMS_NOT_ACTIVE;
window->is_mapped = FALSE;
window->is_transient = FALSE;
window->rail_state = 0;
window->rail_ignore_configure = FALSE;
window->handle = XCreateWindow(xfc->display, RootWindowOfScreen(xfc->screen),
x, y, window->width, window->height, 0, xfc->depth, InputOutput, xfc->visual,
CWBackPixel | CWBackingStore | CWOverrideRedirect | CWColormap |
CWBorderPixel | CWWinGravity | CWBitGravity, &xfc->attribs);
DEBUG_X11_LMS("Create window=0x%X rc={l=%d t=%d r=%d b=%d} w=%d h=%d rdp=0x%X",
(UINT32) window->handle, window->left, window->top, window->right, window->bottom,
window->width, window->height, wnd->windowId);
ZeroMemory(&gcv, sizeof(gcv));
window->gc = XCreateGC(xfc->display, window->handle, GCGraphicsExposures, &gcv);
class_hints = XAllocClassHint();
if (class_hints)
{
char* class = NULL;
if (xfc->instance->settings->WmClass != NULL)
{
class_hints->res_class = xfc->instance->settings->WmClass;
}
else
{
class = malloc(sizeof(rail_window_class));
snprintf(class, sizeof(rail_window_class), "RAIL:%08X", id);
class_hints->res_class = class;
}
class_hints->res_name = "RAIL";
XSetClassHint(xfc->display, window->handle, class_hints);
XFree(class_hints);
if (class)
free(class);
}
/* Set the input mode hint for the WM */
InputModeHint = XAllocWMHints();
InputModeHint->flags = (1L << 0);
InputModeHint->input = True;
XSetWMHints(xfc->display, window->handle, InputModeHint);
XFree(InputModeHint);
XSetWMProtocols(xfc->display, window->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, window->handle, input_mask);
xf_SetWindowDecorations(xfc, window, window->decorations);
xf_SetWindowStyle(xfc, window, wnd->style, wnd->extendedStyle);
xf_SetWindowPID(xfc, window, 0);
xf_ShowWindow(xfc, window, WINDOW_SHOW);
XClearWindow(xfc->display, window->handle);
XMapWindow(xfc->display, window->handle);
/* Move doesn't seem to work until window is mapped. */
xf_MoveWindow(xfc, window, x, y, width, height);
return window;
}
void xf_SetWindowMinMaxInfo(xfContext* xfc, xfWindow* window,
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, window->handle, size_hints);
XFree(size_hints);
}
}
void xf_StartLocalMoveSize(xfContext* xfc, xfWindow* window, int direction, int x, int y)
{
if (window->local_move.state != LMS_NOT_ACTIVE)
return;
DEBUG_X11_LMS("direction=%d window=0x%X rc={l=%d t=%d r=%d b=%d} w=%d h=%d "
"RDP=0x%X rc={l=%d t=%d} w=%d h=%d mouse_x=%d mouse_y=%d",
direction, (UINT32) window->handle,
window->left, window->top, window->right, window->bottom,
window->width, window->height, window->window->windowId,
window->window->windowOffsetX, window->window->windowOffsetY,
window->window->windowWidth, window->window->windowHeight, x, y);
/*
* Save original mouse location relative to root. This will be needed
* to end local move to RDP server and/or X server
*/
window->local_move.root_x = x;
window->local_move.root_y = y;
window->local_move.state = LMS_STARTING;
window->local_move.direction = direction;
XUngrabPointer(xfc->display, CurrentTime);
xf_SendClientEvent(xfc, window,
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, xfWindow *window)
{
DEBUG_X11_LMS("state=%d window=0x%X rc={l=%d t=%d r=%d b=%d} w=%d h=%d "
"RDP=0x%X rc={l=%d t=%d} w=%d h=%d",
window->local_move.state,
(UINT32) window->handle, window->left, window->top, window->right, window->bottom,
window->width, window->height, window->window->windowId,
window->window->windowOffsetX, window->window->windowOffsetY,
window->window->windowWidth, window->window->windowHeight);
if (window->local_move.state == LMS_NOT_ACTIVE)
return;
if (window->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, window,
xfc->_NET_WM_MOVERESIZE, /* request X window manager to abort a local move */
5, /* 5 arguments to follow */
window->local_move.root_x, /* x relative to root window */
window->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 */
}
window->local_move.state = LMS_NOT_ACTIVE;
}
void xf_MoveWindow(xfContext* xfc, xfWindow* window, int x, int y, int width, int height)
{
BOOL resize = FALSE;
if ((width * height) < 1)
return;
if ((window->width != width) || (window->height != height))
resize = TRUE;
if (window->local_move.state == LMS_STARTING ||
window->local_move.state == LMS_ACTIVE)
return;
DEBUG_X11_LMS("window=0x%X rc={l=%d t=%d r=%d b=%d} w=%u h=%u "
"new rc={l=%d t=%d r=%d b=%d} w=%u h=%u"
" RDP=0x%X rc={l=%d t=%d} w=%d h=%d",
(UINT32) window->handle, window->left, window->top,
window->right, window->bottom, window->width, window->height,
x, y, x + width -1, y + height -1, width, height,
window->window->windowId,
window->window->windowOffsetX, window->window->windowOffsetY,
window->window->windowWidth, window->window->windowHeight);
window->left = x;
window->top = y;
window->right = x + width - 1;
window->bottom = y + height - 1;
window->width = width;
window->height = height;
if (resize)
XMoveResizeWindow(xfc->display, window->handle, x, y, width, height);
else
XMoveWindow(xfc->display, window->handle, x, y);
xf_UpdateWindowArea(xfc, window, 0, 0, width, height);
}
void xf_ShowWindow(xfContext* xfc, xfWindow* window, BYTE state)
{
switch (state)
{
case WINDOW_HIDE:
XWithdrawWindow(xfc->display, window->handle, xfc->screen_number);
break;
case WINDOW_SHOW_MINIMIZED:
XIconifyWindow(xfc->display, window->handle, xfc->screen_number);
break;
case WINDOW_SHOW_MAXIMIZED:
/* Set the window as maximized */
xf_SendClientEvent(xfc, window, xfc->_NET_WM_STATE, 4, 1,
XInternAtom(xfc->display, "_NET_WM_STATE_MAXIMIZED_VERT", False),
XInternAtom(xfc->display, "_NET_WM_STATE_MAXIMIZED_HORZ", False), 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 (window->rail_state == WINDOW_SHOW_MAXIMIZED)
xf_UpdateWindowArea(xfc, window, 0, 0, window->window->windowWidth, window->window->windowHeight);
break;
case WINDOW_SHOW:
/* Ensure the window is not maximized */
xf_SendClientEvent(xfc, window, xfc->_NET_WM_STATE, 4, 0,
XInternAtom(xfc->display, "_NET_WM_STATE_MAXIMIZED_VERT", False),
XInternAtom(xfc->display, "_NET_WM_STATE_MAXIMIZED_HORZ", False), 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 (window->rail_state == WINDOW_SHOW_MAXIMIZED)
window->rail_ignore_configure = TRUE;
if (window->is_transient)
xf_SetWindowUnlisted(xfc, window);
break;
}
/* Save the current rail state of this window */
window->rail_state = state;
XFlush(xfc->display);
}
void xf_SetWindowIcon(xfContext* xfc, xfWindow* window, rdpIcon* icon)
{
int x, y;
int pixels;
int propsize;
long* propdata;
long* dstp;
UINT32* srcp;
if (!icon->big)
return;
pixels = icon->entry->width * icon->entry->height;
propsize = 2 + pixels;
propdata = malloc(propsize * sizeof(long));
propdata[0] = icon->entry->width;
propdata[1] = icon->entry->height;
dstp = &(propdata[2]);
srcp = (UINT32*) icon->extra;
for (y = 0; y < icon->entry->height; y++)
{
for (x = 0; x < icon->entry->width; x++)
{
*dstp++ = *srcp++;
}
}
XChangeProperty(xfc->display, window->handle, xfc->_NET_WM_ICON, XA_CARDINAL, 32,
PropModeReplace, (BYTE*) propdata, propsize);
XFlush(xfc->display);
}
void xf_SetWindowRects(xfContext* xfc, xfWindow* window, RECTANGLE_16* rects, int nrects)
{
int i;
XRectangle* xrects;
if (nrects == 0)
return;
xrects = malloc(sizeof(XRectangle) * nrects);
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;
}
#ifdef WITH_XEXT
/*
* This is currently unsupported with the new logic to handle window placement with VisibleOffset variables
*
* Marc: enabling it works, and is required for round corners.
*/
XShapeCombineRectangles(xfc->display, window->handle, ShapeBounding, 0, 0, xrects, nrects, ShapeSet, 0);
#endif
free(xrects);
}
void xf_SetWindowVisibilityRects(xfContext* xfc, xfWindow* window, RECTANGLE_16* rects, int nrects)
{
int i;
XRectangle* xrects;
if (nrects == 0)
return;
xrects = malloc(sizeof(XRectangle) * nrects);
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;
}
#ifdef WITH_XEXT
/*
* This is currently unsupported with the new logic to handle window placement with VisibleOffset variables
*
* Marc: enabling it works, and is required for round corners.
*/
XShapeCombineRectangles(xfc->display, window->handle, ShapeBounding, 0, 0, xrects, nrects, ShapeSet, 0);
#endif
free(xrects);
}
void xf_UpdateWindowArea(xfContext* xfc, xfWindow* window, int x, int y, int width, int height)
{
int ax, ay;
rdpWindow* wnd;
wnd = window->window;
/* RemoteApp mode uses visibleOffset instead of windowOffset */
if (!xfc->remote_app)
{
ax = x + wnd->windowOffsetX;
ay = y + wnd->windowOffsetY;
if (ax + width > wnd->windowOffsetX + wnd->windowWidth)
width = (wnd->windowOffsetX + wnd->windowWidth - 1) - ax;
if (ay + height > wnd->windowOffsetY + wnd->windowHeight)
height = (wnd->windowOffsetY + wnd->windowHeight - 1) - ay;
}
else
{
ax = x + wnd->visibleOffsetX;
ay = y + wnd->visibleOffsetY;
if (ax + width > wnd->visibleOffsetX + wnd->windowWidth)
width = (wnd->visibleOffsetX + wnd->windowWidth - 1) - ax;
if (ay + height > wnd->visibleOffsetY + wnd->windowHeight)
height = (wnd->visibleOffsetY + wnd->windowHeight - 1) - ay;
}
WaitForSingleObject(xfc->mutex, INFINITE);
if (xfc->settings->SoftwareGdi)
{
XPutImage(xfc->display, xfc->primary, window->gc, xfc->image,
ax, ay, ax, ay, width, height);
}
XCopyArea(xfc->display, xfc->primary, window->handle, window->gc,
ax, ay, width, height, x, y);
XFlush(xfc->display);
ReleaseMutex(xfc->mutex);
}
BOOL xf_IsWindowBorder(xfContext* xfc, xfWindow* xfw, int x, int y)
{
rdpWindow* wnd;
BOOL clientArea = FALSE;
BOOL windowArea = FALSE;
wnd = xfw->window;
if (((x > wnd->clientOffsetX) && (x < wnd->clientOffsetX + wnd->clientAreaWidth)) &&
((y > wnd->clientOffsetY) && (y < wnd->clientOffsetY + wnd->clientAreaHeight)))
clientArea = TRUE;
if (((x > wnd->windowOffsetX) && (x < wnd->windowOffsetX + wnd->windowWidth)) &&
((y > wnd->windowOffsetY) && (y < wnd->windowOffsetY + wnd->windowHeight)))
windowArea = TRUE;
return (windowArea && !(clientArea));
}
void xf_DestroyWindow(xfContext* xfc, xfWindow* window)
{
if (window == NULL)
return;
if (xfc->window == window)
xfc->window = NULL;
if (window->gc)
XFreeGC(xfc->display, window->gc);
if (window->handle)
{
XUnmapWindow(xfc->display, window->handle);
XDestroyWindow(xfc->display, window->handle);
}
free(window);
}
rdpWindow* xf_rdpWindowFromWindow(xfContext* xfc, Window wnd)
{
rdpRail* rail;
if (xfc)
{
if (wnd)
{
rail = ((rdpContext*) xfc)->rail;
if (rail)
return window_list_get_by_extra_id(rail->list, (void*) (long) wnd);
}
}
return NULL;
}
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