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xf_event.c
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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* X11 Event Handling
*
* Copyright 2011 Marc-Andre Moreau <[email protected]>
* Copyright 2023 HP Development Company, L.P.
*
* 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 <freerdp/config.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <winpr/assert.h>
#include <freerdp/log.h>
#include <freerdp/locale/keyboard.h>
#include "xf_rail.h"
#include "xf_window.h"
#include "xf_cliprdr.h"
#include "xf_disp.h"
#include "xf_input.h"
#include "xf_gfx.h"
#include "xf_graphics.h"
#include "xf_event.h"
#include "xf_input.h"
#define TAG CLIENT_TAG("x11")
#define CLAMP_COORDINATES(x, y) \
if (x < 0) \
x = 0; \
if (y < 0) \
y = 0
const char* x11_event_string(int event)
{
switch (event)
{
case KeyPress:
return "KeyPress";
case KeyRelease:
return "KeyRelease";
case ButtonPress:
return "ButtonPress";
case ButtonRelease:
return "ButtonRelease";
case MotionNotify:
return "MotionNotify";
case EnterNotify:
return "EnterNotify";
case LeaveNotify:
return "LeaveNotify";
case FocusIn:
return "FocusIn";
case FocusOut:
return "FocusOut";
case KeymapNotify:
return "KeymapNotify";
case Expose:
return "Expose";
case GraphicsExpose:
return "GraphicsExpose";
case NoExpose:
return "NoExpose";
case VisibilityNotify:
return "VisibilityNotify";
case CreateNotify:
return "CreateNotify";
case DestroyNotify:
return "DestroyNotify";
case UnmapNotify:
return "UnmapNotify";
case MapNotify:
return "MapNotify";
case MapRequest:
return "MapRequest";
case ReparentNotify:
return "ReparentNotify";
case ConfigureNotify:
return "ConfigureNotify";
case ConfigureRequest:
return "ConfigureRequest";
case GravityNotify:
return "GravityNotify";
case ResizeRequest:
return "ResizeRequest";
case CirculateNotify:
return "CirculateNotify";
case CirculateRequest:
return "CirculateRequest";
case PropertyNotify:
return "PropertyNotify";
case SelectionClear:
return "SelectionClear";
case SelectionRequest:
return "SelectionRequest";
case SelectionNotify:
return "SelectionNotify";
case ColormapNotify:
return "ColormapNotify";
case ClientMessage:
return "ClientMessage";
case MappingNotify:
return "MappingNotify";
case GenericEvent:
return "GenericEvent";
default:
return "UNKNOWN";
}
}
#ifdef WITH_DEBUG_X11
#define DEBUG_X11(...) WLog_DBG(TAG, __VA_ARGS__)
#else
#define DEBUG_X11(...) \
do \
{ \
} while (0)
#endif
BOOL xf_event_action_script_init(xfContext* xfc)
{
wObject* obj;
char* xevent;
FILE* actionScript;
char buffer[1024] = { 0 };
char command[1024] = { 0 };
const rdpSettings* settings;
const char* ActionScript;
WINPR_ASSERT(xfc);
settings = xfc->common.context.settings;
WINPR_ASSERT(settings);
xfc->xevents = ArrayList_New(TRUE);
if (!xfc->xevents)
return FALSE;
obj = ArrayList_Object(xfc->xevents);
obj->fnObjectFree = free;
ActionScript = freerdp_settings_get_string(settings, FreeRDP_ActionScript);
sprintf_s(command, sizeof(command), "%s xevent", ActionScript);
actionScript = popen(command, "r");
if (!actionScript)
return FALSE;
while (fgets(buffer, sizeof(buffer), actionScript))
{
char* context = NULL;
strtok_s(buffer, "\n", &context);
xevent = _strdup(buffer);
if (!xevent || !ArrayList_Append(xfc->xevents, xevent))
{
pclose(actionScript);
ArrayList_Free(xfc->xevents);
xfc->xevents = NULL;
return FALSE;
}
}
pclose(actionScript);
return TRUE;
}
void xf_event_action_script_free(xfContext* xfc)
{
if (xfc->xevents)
{
ArrayList_Free(xfc->xevents);
xfc->xevents = NULL;
}
}
static BOOL xf_event_execute_action_script(xfContext* xfc, const XEvent* event)
{
int index;
int count;
char* name;
FILE* actionScript;
BOOL match = FALSE;
const char* xeventName;
const char* ActionScript;
char buffer[1024] = { 0 };
char command[1024] = { 0 };
if (!xfc->actionScriptExists || !xfc->xevents || !xfc->window)
return FALSE;
if (event->type > LASTEvent)
return FALSE;
xeventName = x11_event_string(event->type);
count = ArrayList_Count(xfc->xevents);
for (index = 0; index < count; index++)
{
name = (char*)ArrayList_GetItem(xfc->xevents, index);
if (_stricmp(name, xeventName) == 0)
{
match = TRUE;
break;
}
}
if (!match)
return FALSE;
ActionScript = freerdp_settings_get_string(xfc->common.context.settings, FreeRDP_ActionScript);
sprintf_s(command, sizeof(command), "%s xevent %s %lu", ActionScript, xeventName,
(unsigned long)xfc->window->handle);
actionScript = popen(command, "r");
if (!actionScript)
return FALSE;
while (fgets(buffer, sizeof(buffer), actionScript))
{
char* context = NULL;
strtok_s(buffer, "\n", &context);
}
pclose(actionScript);
return TRUE;
}
void xf_adjust_coordinates_to_screen(xfContext* xfc, UINT32* x, UINT32* y)
{
rdpSettings* settings;
INT64 tx, ty;
if (!xfc || !xfc->common.context.settings || !y || !x)
return;
settings = xfc->common.context.settings;
tx = *x;
ty = *y;
if (!xfc->remote_app)
{
#ifdef WITH_XRENDER
if (xf_picture_transform_required(xfc))
{
double xScalingFactor = xfc->scaledWidth / (double)freerdp_settings_get_uint32(
settings, FreeRDP_DesktopWidth);
double yScalingFactor = xfc->scaledHeight / (double)freerdp_settings_get_uint32(
settings, FreeRDP_DesktopHeight);
tx = ((tx + xfc->offset_x) * xScalingFactor);
ty = ((ty + xfc->offset_y) * yScalingFactor);
}
#endif
}
CLAMP_COORDINATES(tx, ty);
*x = tx;
*y = ty;
}
void xf_event_adjust_coordinates(xfContext* xfc, int* x, int* y)
{
if (!xfc || !xfc->common.context.settings || !y || !x)
return;
if (!xfc->remote_app)
{
#ifdef WITH_XRENDER
rdpSettings* settings = xfc->common.context.settings;
if (xf_picture_transform_required(xfc))
{
double xScalingFactor = freerdp_settings_get_uint32(settings, FreeRDP_DesktopWidth) /
(double)xfc->scaledWidth;
double yScalingFactor = freerdp_settings_get_uint32(settings, FreeRDP_DesktopHeight) /
(double)xfc->scaledHeight;
*x = (int)((*x - xfc->offset_x) * xScalingFactor);
*y = (int)((*y - xfc->offset_y) * yScalingFactor);
}
#endif
}
CLAMP_COORDINATES(*x, *y);
}
static BOOL xf_event_Expose(xfContext* xfc, const XExposeEvent* event, BOOL app)
{
int x, y;
int w, h;
rdpSettings* settings;
WINPR_ASSERT(xfc);
WINPR_ASSERT(event);
settings = xfc->common.context.settings;
WINPR_ASSERT(settings);
if (!app && (freerdp_settings_get_bool(settings, FreeRDP_SmartSizing) ||
freerdp_settings_get_bool(settings, FreeRDP_MultiTouchGestures)))
{
x = 0;
y = 0;
w = freerdp_settings_get_uint32(settings, FreeRDP_DesktopWidth);
h = freerdp_settings_get_uint32(settings, FreeRDP_DesktopHeight);
}
else
{
x = event->x;
y = event->y;
w = event->width;
h = event->height;
}
if (!app)
{
if (xfc->common.context.gdi->gfx)
{
xf_OutputExpose(xfc, x, y, w, h);
return TRUE;
}
xf_draw_screen(xfc, x, y, w, h);
}
else
{
xfAppWindow* appWindow = xf_AppWindowFromX11Window(xfc, event->window);
if (appWindow)
{
xf_UpdateWindowArea(xfc, appWindow, x, y, w, h);
}
}
return TRUE;
}
static BOOL xf_event_VisibilityNotify(xfContext* xfc, const XVisibilityEvent* event, BOOL app)
{
WINPR_UNUSED(app);
xfc->unobscured = event->state == VisibilityUnobscured;
return TRUE;
}
BOOL xf_generic_MotionNotify(xfContext* xfc, int x, int y, int state, Window window, BOOL app)
{
Window childWindow = None;
WINPR_ASSERT(xfc);
WINPR_ASSERT(xfc->common.context.settings);
rdpInput* input = xfc->common.context.input;
WINPR_ASSERT(input);
if (!freerdp_settings_get_bool(xfc->common.context.settings, FreeRDP_MouseMotion))
{
if ((state & (Button1Mask | Button2Mask | Button3Mask)) == 0)
return TRUE;
}
if (app)
{
/* make sure window exists */
if (!xf_AppWindowFromX11Window(xfc, window))
return TRUE;
/* Translate to desktop coordinates */
XTranslateCoordinates(xfc->display, window, RootWindowOfScreen(xfc->screen), x, y, &x, &y,
&childWindow);
}
xf_event_adjust_coordinates(xfc, &x, &y);
freerdp_client_send_button_event(&xfc->common, FALSE, PTR_FLAGS_MOVE, x, y);
if (xfc->fullscreen && !app)
{
XSetInputFocus(xfc->display, xfc->window->handle, RevertToPointerRoot, CurrentTime);
}
return TRUE;
}
BOOL xf_generic_RawMotionNotify(xfContext* xfc, int x, int y, Window window, BOOL app)
{
WINPR_ASSERT(xfc);
if (app)
{
WLog_ERR(TAG, "Relative mouse input is not supported with remoate app mode!");
return FALSE;
}
freerdp_client_send_button_event(&xfc->common, TRUE, PTR_FLAGS_MOVE, x, y);
return TRUE;
}
static BOOL xf_event_MotionNotify(xfContext* xfc, const XMotionEvent* event, BOOL app)
{
WINPR_ASSERT(xfc);
if (xfc->xi_event)
return TRUE;
if (xfc->window)
xf_floatbar_set_root_y(xfc->window->floatbar, event->y);
return xf_generic_MotionNotify(xfc, event->x, event->y, event->state, event->window, app);
}
BOOL xf_generic_ButtonEvent(xfContext* xfc, int x, int y, int button, Window window, BOOL app,
BOOL down)
{
UINT16 flags = 0;
Window childWindow = None;
WINPR_ASSERT(xfc);
for (size_t i = 0; i < ARRAYSIZE(xfc->button_map); i++)
{
const button_map* cur = &xfc->button_map[i];
if (cur->button == button)
{
flags = cur->flags;
break;
}
}
if (flags != 0)
{
if (flags & (PTR_FLAGS_WHEEL | PTR_FLAGS_HWHEEL))
{
if (down)
freerdp_client_send_wheel_event(&xfc->common, flags);
}
else
{
BOOL extended = FALSE;
if (flags & (PTR_XFLAGS_BUTTON1 | PTR_XFLAGS_BUTTON2))
{
extended = TRUE;
if (down)
flags |= PTR_XFLAGS_DOWN;
}
else if (flags & (PTR_FLAGS_BUTTON1 | PTR_FLAGS_BUTTON2 | PTR_FLAGS_BUTTON3))
{
if (down)
flags |= PTR_FLAGS_DOWN;
}
if (app)
{
/* make sure window exists */
if (!xf_AppWindowFromX11Window(xfc, window))
return TRUE;
/* Translate to desktop coordinates */
XTranslateCoordinates(xfc->display, window, RootWindowOfScreen(xfc->screen), x, y,
&x, &y, &childWindow);
}
xf_event_adjust_coordinates(xfc, &x, &y);
if (extended)
freerdp_client_send_extended_button_event(&xfc->common, FALSE, flags, x, y);
else
freerdp_client_send_button_event(&xfc->common, FALSE, flags, x, y);
}
}
return TRUE;
}
static BOOL xf_grab_mouse(xfContext* xfc)
{
WINPR_ASSERT(xfc);
if (!xfc->window)
return FALSE;
if (freerdp_settings_get_bool(xfc->common.context.settings, FreeRDP_GrabMouse))
{
XGrabPointer(xfc->display, xfc->window->handle, False,
ButtonPressMask | ButtonReleaseMask | PointerMotionMask | FocusChangeMask |
EnterWindowMask | LeaveWindowMask,
GrabModeAsync, GrabModeAsync, xfc->window->handle, None, CurrentTime);
xfc->common.mouse_grabbed = TRUE;
}
return TRUE;
}
static BOOL xf_grab_kbd(xfContext* xfc)
{
WINPR_ASSERT(xfc);
if (!xfc->window)
return FALSE;
XGrabKeyboard(xfc->display, xfc->window->handle, TRUE, GrabModeAsync, GrabModeAsync,
CurrentTime);
return TRUE;
}
static BOOL xf_event_ButtonPress(xfContext* xfc, const XButtonEvent* event, BOOL app)
{
xf_grab_mouse(xfc);
if (xfc->xi_event)
return TRUE;
return xf_generic_ButtonEvent(xfc, event->x, event->y, event->button, event->window, app, TRUE);
}
static BOOL xf_event_ButtonRelease(xfContext* xfc, const XButtonEvent* event, BOOL app)
{
xf_grab_mouse(xfc);
if (xfc->xi_event)
return TRUE;
return xf_generic_ButtonEvent(xfc, event->x, event->y, event->button, event->window, app,
FALSE);
}
static BOOL xf_event_KeyPress(xfContext* xfc, const XKeyEvent* event, BOOL app)
{
KeySym keysym = 0;
char str[256] = { 0 };
union
{
const XKeyEvent* cev;
XKeyEvent* ev;
} cnv;
cnv.cev = event;
WINPR_UNUSED(app);
XLookupString(cnv.ev, str, sizeof(str), &keysym, NULL);
xf_keyboard_key_press(xfc, event, keysym);
return TRUE;
}
static BOOL xf_event_KeyRelease(xfContext* xfc, const XKeyEvent* event, BOOL app)
{
KeySym keysym = 0;
char str[256] = { 0 };
union
{
const XKeyEvent* cev;
XKeyEvent* ev;
} cnv;
cnv.cev = event;
WINPR_UNUSED(app);
XLookupString(cnv.ev, str, sizeof(str), &keysym, NULL);
xf_keyboard_key_release(xfc, event, keysym);
return TRUE;
}
/* Release a key, but ignore the event in case of autorepeat.
*/
static BOOL xf_event_KeyReleaseOrIgnore(xfContext* xfc, const XKeyEvent* event, BOOL app)
{
WINPR_ASSERT(xfc);
WINPR_ASSERT(event);
if ((event->type == KeyRelease) && XEventsQueued(xfc->display, QueuedAfterReading))
{
XEvent nev = { 0 };
XPeekEvent(xfc->display, &nev);
if ((nev.type == KeyPress) && (nev.xkey.time == event->time) &&
(nev.xkey.keycode == event->keycode))
{
/* Key wasn’t actually released */
return TRUE;
}
}
return xf_event_KeyRelease(xfc, event, app);
}
static BOOL xf_event_FocusIn(xfContext* xfc, const XFocusInEvent* event, BOOL app)
{
if (event->mode == NotifyGrab)
return TRUE;
xfc->focused = TRUE;
if (xfc->mouse_active && !app)
{
xf_grab_mouse(xfc);
if (!xf_grab_kbd(xfc))
return FALSE;
}
/* Release all keys, should already be done at FocusOut but might be missed
* if the WM decided to use an alternate event order */
if (!app)
xf_keyboard_release_all_keypress(xfc);
xf_pointer_update_scale(xfc);
if (app)
{
xfAppWindow* appWindow = xf_AppWindowFromX11Window(xfc, event->window);
/* Update the server with any window changes that occurred while the window was not focused.
*/
if (appWindow)
xf_rail_adjust_position(xfc, appWindow);
}
xf_keyboard_focus_in(xfc);
return TRUE;
}
static BOOL xf_event_FocusOut(xfContext* xfc, const XFocusOutEvent* event, BOOL app)
{
if (event->mode == NotifyUngrab)
return TRUE;
xfc->focused = FALSE;
if (event->mode == NotifyWhileGrabbed)
XUngrabKeyboard(xfc->display, CurrentTime);
xf_keyboard_release_all_keypress(xfc);
return TRUE;
}
static BOOL xf_event_MappingNotify(xfContext* xfc, const XMappingEvent* event, BOOL app)
{
WINPR_UNUSED(app);
if (event->request == MappingModifier)
return xf_keyboard_update_modifier_map(xfc);
return TRUE;
}
static BOOL xf_event_ClientMessage(xfContext* xfc, const XClientMessageEvent* event, BOOL app)
{
if ((event->message_type == xfc->WM_PROTOCOLS) &&
((Atom)event->data.l[0] == xfc->WM_DELETE_WINDOW))
{
if (app)
{
xfAppWindow* appWindow = xf_AppWindowFromX11Window(xfc, event->window);
if (appWindow)
xf_rail_send_client_system_command(xfc, appWindow->windowId, SC_CLOSE);
return TRUE;
}
else
{
DEBUG_X11("Main window closed");
return FALSE;
}
}
return TRUE;
}
static BOOL xf_event_EnterNotify(xfContext* xfc, const XEnterWindowEvent* event, BOOL app)
{
if (!app)
{
if (!xfc->window)
return FALSE;
xfc->mouse_active = TRUE;
if (xfc->fullscreen)
XSetInputFocus(xfc->display, xfc->window->handle, RevertToPointerRoot, CurrentTime);
if (xfc->focused)
xf_grab_kbd(xfc);
}
else
{
xfAppWindow* appWindow = xf_AppWindowFromX11Window(xfc, event->window);
/* keep track of which window has focus so that we can apply pointer updates */
xfc->appWindow = appWindow;
}
return TRUE;
}
static BOOL xf_event_LeaveNotify(xfContext* xfc, const XLeaveWindowEvent* event, BOOL app)
{
if (event->mode == NotifyGrab || event->mode == NotifyUngrab)
return TRUE;
if (!app)
{
xfc->mouse_active = FALSE;
XUngrabKeyboard(xfc->display, CurrentTime);
}
else
{
xfAppWindow* appWindow = xf_AppWindowFromX11Window(xfc, event->window);
/* keep track of which window has focus so that we can apply pointer updates */
if (xfc->appWindow == appWindow)
xfc->appWindow = NULL;
}
return TRUE;
}
static BOOL xf_event_ConfigureNotify(xfContext* xfc, const XConfigureEvent* event, BOOL app)
{
Window childWindow = None;
xfAppWindow* appWindow = NULL;
WINPR_ASSERT(xfc);
WINPR_ASSERT(event);
const rdpSettings* settings = xfc->common.context.settings;
WINPR_ASSERT(settings);
WLog_DBG(TAG, "x=%" PRId32 ", y=%" PRId32 ", w=%" PRId32 ", h=%" PRId32, event->x, event->y,
event->width, event->height);
if (!app)
{
if (!xfc->window)
return FALSE;
if (xfc->window->left != event->x)
xfc->window->left = event->x;
if (xfc->window->top != event->y)
xfc->window->top = event->y;
if (xfc->window->width != event->width || xfc->window->height != event->height)
{
xfc->window->width = event->width;
xfc->window->height = event->height;
#ifdef WITH_XRENDER
xfc->offset_x = 0;
xfc->offset_y = 0;
if (freerdp_settings_get_bool(settings, FreeRDP_SmartSizing) ||
freerdp_settings_get_bool(settings, FreeRDP_MultiTouchGestures))
{
xfc->scaledWidth = xfc->window->width;
xfc->scaledHeight = xfc->window->height;
xf_draw_screen(xfc, 0, 0,
freerdp_settings_get_uint32(settings, FreeRDP_DesktopWidth),
freerdp_settings_get_uint32(settings, FreeRDP_DesktopHeight));
}
else
{
xfc->scaledWidth = freerdp_settings_get_uint32(settings, FreeRDP_DesktopWidth);
xfc->scaledHeight = freerdp_settings_get_uint32(settings, FreeRDP_DesktopHeight);
}
#endif
}
if (freerdp_settings_get_bool(settings, FreeRDP_DynamicResolutionUpdate))
{
int alignedWidth, alignedHeight;
alignedWidth = (xfc->window->width / 2) * 2;
alignedHeight = (xfc->window->height / 2) * 2;
/* ask the server to resize using the display channel */
xf_disp_handle_configureNotify(xfc, alignedWidth, alignedHeight);
}
}
else
{
appWindow = xf_AppWindowFromX11Window(xfc, event->window);
if (appWindow)
{
/*
* ConfigureNotify coordinates are expressed relative to the window parent.
* Translate these to root window coordinates.
*/
XTranslateCoordinates(xfc->display, appWindow->handle, RootWindowOfScreen(xfc->screen),
0, 0, &appWindow->x, &appWindow->y, &childWindow);
appWindow->width = event->width;
appWindow->height = event->height;
xf_AppWindowResize(xfc, appWindow);
/*
* Additional checks for not in a local move and not ignoring configure to send
* position update to server, also should the window not be focused then do not
* send to server yet (i.e. resizing using window decoration).
* The server will be updated when the window gets refocused.
*/
if (appWindow->decorations)
{
/* moving resizing using window decoration */
xf_rail_adjust_position(xfc, appWindow);
}
else
{
if ((!event->send_event || appWindow->local_move.state == LMS_NOT_ACTIVE) &&
!appWindow->rail_ignore_configure && xfc->focused)
xf_rail_adjust_position(xfc, appWindow);
}
}
}
return xf_pointer_update_scale(xfc);
}
static BOOL xf_event_MapNotify(xfContext* xfc, const XMapEvent* event, BOOL app)
{
WINPR_ASSERT(xfc);
if (!app)
gdi_send_suppress_output(xfc->common.context.gdi, FALSE);
else
{
xfAppWindow* appWindow = xf_AppWindowFromX11Window(xfc, event->window);
if (appWindow)
{
/* local restore event */
/* This is now handled as part of the PropertyNotify
* Doing this here would inhibit the ability to restore a maximized window
* that is minimized back to the maximized state
*/
// xf_rail_send_client_system_command(xfc, appWindow->windowId, SC_RESTORE);
appWindow->is_mapped = TRUE;
}
}
return TRUE;
}
static BOOL xf_event_UnmapNotify(xfContext* xfc, const XUnmapEvent* event, BOOL app)
{
WINPR_ASSERT(xfc);
WINPR_ASSERT(event);
if (!app)
xf_keyboard_release_all_keypress(xfc);
if (!app)
gdi_send_suppress_output(xfc->common.context.gdi, TRUE);
else
{
xfAppWindow* appWindow = xf_AppWindowFromX11Window(xfc, event->window);
if (appWindow)
appWindow->is_mapped = FALSE;
}
return TRUE;
}
static BOOL xf_event_PropertyNotify(xfContext* xfc, const XPropertyEvent* event, BOOL app)
{
WINPR_ASSERT(xfc);
WINPR_ASSERT(event);
/*
* This section handles sending the appropriate commands to the rail server
* when the window has been minimized, maximized, restored locally
* ie. not using the buttons on the rail window itself
*/
if ((((Atom)event->atom == xfc->_NET_WM_STATE) && (event->state != PropertyDelete)) ||
(((Atom)event->atom == xfc->WM_STATE) && (event->state != PropertyDelete)))
{
unsigned long i = 0;
BOOL status = FALSE;
BOOL minimized = FALSE;
BOOL minimizedChanged = FALSE;
unsigned long nitems = 0;
unsigned long bytes = 0;
unsigned char* prop = NULL;
xfAppWindow* appWindow = NULL;
if (app)
{
appWindow = xf_AppWindowFromX11Window(xfc, event->window);
if (!appWindow)
return TRUE;
}
if ((Atom)event->atom == xfc->_NET_WM_STATE)
{
status = xf_GetWindowProperty(xfc, event->window, xfc->_NET_WM_STATE, 12, &nitems,
&bytes, &prop);
if (status)
{
if (appWindow)
{
appWindow->maxVert = FALSE;
appWindow->maxHorz = FALSE;
}
for (i = 0; i < nitems; i++)
{
if ((Atom)((UINT16**)prop)[i] ==
XInternAtom(xfc->display, "_NET_WM_STATE_MAXIMIZED_VERT", False))
{
if (appWindow)
appWindow->maxVert = TRUE;
}
if ((Atom)((UINT16**)prop)[i] ==
XInternAtom(xfc->display, "_NET_WM_STATE_MAXIMIZED_HORZ", False))
{
if (appWindow)
appWindow->maxHorz = TRUE;
}
}
XFree(prop);
}
}
if ((Atom)event->atom == xfc->WM_STATE)
{
status =
xf_GetWindowProperty(xfc, event->window, xfc->WM_STATE, 1, &nitems, &bytes, &prop);
if (status)
{
/* If the window is in the iconic state */
if (((UINT32)*prop == 3))
{
minimized = TRUE;
if (appWindow)
appWindow->minimized = TRUE;
}
else
{
minimized = FALSE;
if (appWindow)
appWindow->minimized = FALSE;
}
minimizedChanged = TRUE;
XFree(prop);
}
}
if (app)
{
WINPR_ASSERT(appWindow);
if (appWindow->maxVert && appWindow->maxHorz && !appWindow->minimized)
{
if (appWindow->rail_state != WINDOW_SHOW_MAXIMIZED)
{
appWindow->rail_state = WINDOW_SHOW_MAXIMIZED;