static void create_aux_windows(_THIS)
{
int x = 0, y = 0;
char classname[1024];
XSetWindowAttributes xattr;
XWMHints *hints;
unsigned long app_event_mask;
int def_vis = (SDL_Visual == DefaultVisual(SDL_Display, SDL_Screen));
WM_DELETE_WINDOW = XInternAtom(SDL_Display, "WM_DELETE_WINDOW", False);
if ( SDL_windowid ) {
FSwindow = 0;
WMwindow = SDL_strtol(SDL_windowid, NULL, 0);
return;
}
if(FSwindow)
XDestroyWindow(SDL_Display, FSwindow);
#if SDL_VIDEO_DRIVER_X11_XINERAMA
if ( use_xinerama ) {
x = xinerama_info.x_org;
y = xinerama_info.y_org;
}
#endif
xattr.override_redirect = True;
xattr.background_pixel = def_vis ? BlackPixel(SDL_Display, SDL_Screen) : 0;
xattr.border_pixel = 0;
xattr.colormap = SDL_XColorMap;
FSwindow = XCreateWindow(SDL_Display, SDL_Root,
x + X11_wmXAdjust,
y + X11_wmYAdjust,
32, 32, 0,
this->hidden->depth, InputOutput, SDL_Visual,
CWOverrideRedirect | CWBackPixel | CWBorderPixel
| CWColormap,
&xattr);
XSelectInput(SDL_Display, FSwindow, StructureNotifyMask);
{
XEvent ev;
long mask;
SDL_memset(&ev, 0, sizeof(ev));
ev.xclient.type = ClientMessage;
ev.xclient.window = SDL_Root;
ev.xclient.message_type = XInternAtom(SDL_Display,
"KWM_KEEP_ON_TOP", False);
ev.xclient.format = 32;
ev.xclient.data.l[0] = FSwindow;
ev.xclient.data.l[1] = CurrentTime;
mask = SubstructureRedirectMask;
XSendEvent(SDL_Display, SDL_Root, False, mask, &ev);
}
hints = NULL;
if(WMwindow) {
hints = XGetWMHints(SDL_Display, WMwindow);
XDestroyWindow(SDL_Display, WMwindow);
}
WMwindow = XCreateWindow(SDL_Display, SDL_Root,
x, y, 32, 32, 0,
this->hidden->depth, InputOutput, SDL_Visual,
CWBackPixel | CWBorderPixel | CWColormap,
&xattr);
if(!hints) {
hints = XAllocWMHints();
hints->input = True;
hints->flags = InputHint;
}
XSetWMHints(SDL_Display, WMwindow, hints);
XFree(hints);
X11_SetCaptionNoLock(this, this->wm_title, this->wm_icon);
app_event_mask = FocusChangeMask | KeyPressMask | KeyReleaseMask
| PropertyChangeMask | StructureNotifyMask | KeymapStateMask;
XSelectInput(SDL_Display, WMwindow, app_event_mask);
get_classname(classname, sizeof(classname));
{
XClassHint *classhints;
classhints = XAllocClassHint();
if(classhints != NULL) {
classhints->res_name = classname;
classhints->res_class = classname;
XSetClassHint(SDL_Display, WMwindow, classhints);
XFree(classhints);
}
}
{
pid_t pid = getpid();
char hostname[256];
if (pid > 0 && gethostname(hostname, sizeof(hostname)) > -1) {
Atom _NET_WM_PID = XInternAtom(SDL_Display, "_NET_WM_PID", False);
Atom WM_CLIENT_MACHINE = XInternAtom(SDL_Display, "WM_CLIENT_MACHINE", False);
hostname[sizeof(hostname)-1] = '\0';
XChangeProperty(SDL_Display, WMwindow, _NET_WM_PID, XA_CARDINAL, 32,
PropModeReplace, (unsigned char *)&pid, 1);
XChangeProperty(SDL_Display, WMwindow, WM_CLIENT_MACHINE, XA_STRING, 8,
PropModeReplace, (unsigned char *)hostname, SDL_strlen(hostname));
}
}
#ifdef X_HAVE_UTF8_STRING
if (SDL_X11_HAVE_UTF8) {
if (SDL_IM != NULL && SDL_Display != XDisplayOfIM(SDL_IM)) {
SDL_SetError("display has changed while an IM is kept");
if (SDL_IC) {
XUnsetICFocus(SDL_IC);
XDestroyIC(SDL_IC);
SDL_IC = NULL;
}
XCloseIM(SDL_IM);
SDL_IM = NULL;
}
if (SDL_IM == NULL) {
char *old_locale = NULL, *old_modifiers = NULL;
const char *p;
size_t n;
p = setlocale(LC_ALL, NULL);
if ( p ) {
n = SDL_strlen(p)+1;
old_locale = SDL_stack_alloc(char, n);
if ( old_locale ) {
SDL_strlcpy(old_locale, p, n);
}
}
p = XSetLocaleModifiers(NULL);
if ( p ) {
n = SDL_strlen(p)+1;
old_modifiers = SDL_stack_alloc(char, n);
if ( old_modifiers ) {
SDL_strlcpy(old_modifiers, p, n);
}
}
setlocale(LC_ALL, "");
XSetLocaleModifiers("");
SDL_IM = XOpenIM(SDL_Display, NULL, classname, classname);
if ( old_locale ) {
setlocale(LC_ALL, old_locale);
SDL_stack_free(old_locale);
}
if ( old_modifiers ) {
XSetLocaleModifiers(old_modifiers);
SDL_stack_free(old_modifiers);
}
}
if (SDL_IM == NULL) {
SDL_SetError("no input method could be opened");
} else {
if (SDL_IC != NULL) {
XUnsetICFocus(SDL_IC);
XDestroyIC(SDL_IC);
}
SDL_IC = pXCreateIC(SDL_IM,
XNClientWindow, WMwindow,
XNFocusWindow, WMwindow,
XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
XNResourceName, classname,
XNResourceClass, classname,
NULL);
if (SDL_IC == NULL) {
SDL_SetError("no input context could be created");
XCloseIM(SDL_IM);
SDL_IM = NULL;
} else {
unsigned long mask = 0;
char *ret = pXGetICValues(SDL_IC, XNFilterEvents, &mask, NULL);
if (ret != NULL) {
XUnsetICFocus(SDL_IC);
XDestroyIC(SDL_IC);
SDL_IC = NULL;
SDL_SetError("no input context could be created");
XCloseIM(SDL_IM);
SDL_IM = NULL;
} else {
XSelectInput(SDL_Display, WMwindow, app_event_mask | mask);
XSetICFocus(SDL_IC);
}
}
}
}
/* Create auxiliary (toplevel) windows with the current visual */
static void create_aux_windows(_THIS)
{
int x = 0, y = 0;
char classname[1024];
XSetWindowAttributes xattr;
XWMHints *hints;
unsigned long app_event_mask;
int def_vis = (SDL_Visual == DefaultVisual(SDL_Display, SDL_Screen));
/* Look up some useful Atoms */
WM_DELETE_WINDOW = XInternAtom(SDL_Display, "WM_DELETE_WINDOW", False);
/* Don't create any extra windows if we are being managed */
if ( SDL_windowid ) {
FSwindow = 0;
WMwindow = SDL_strtol(SDL_windowid, NULL, 0);
return;
}
if(FSwindow)
XDestroyWindow(SDL_Display, FSwindow);
#if SDL_VIDEO_DRIVER_X11_XINERAMA
if ( use_xinerama ) {
x = xinerama_info.x_org;
y = xinerama_info.y_org;
}
#endif
xattr.override_redirect = True;
xattr.background_pixel = def_vis ? BlackPixel(SDL_Display, SDL_Screen) : 0;
xattr.border_pixel = 0;
xattr.colormap = SDL_XColorMap;
FSwindow = XCreateWindow(SDL_Display, SDL_Root,
x, y, 32, 32, 0,
this->hidden->depth, InputOutput, SDL_Visual,
CWOverrideRedirect | CWBackPixel | CWBorderPixel
| CWColormap,
&xattr);
XSelectInput(SDL_Display, FSwindow, StructureNotifyMask);
/* Tell KDE to keep the fullscreen window on top */
{
XEvent ev;
long mask;
SDL_memset(&ev, 0, sizeof(ev));
ev.xclient.type = ClientMessage;
ev.xclient.window = SDL_Root;
ev.xclient.message_type = XInternAtom(SDL_Display,
"KWM_KEEP_ON_TOP", False);
ev.xclient.format = 32;
ev.xclient.data.l[0] = FSwindow;
ev.xclient.data.l[1] = CurrentTime;
mask = SubstructureRedirectMask;
XSendEvent(SDL_Display, SDL_Root, False, mask, &ev);
}
hints = NULL;
if(WMwindow) {
/* All window attributes must survive the recreation */
hints = XGetWMHints(SDL_Display, WMwindow);
XDestroyWindow(SDL_Display, WMwindow);
}
/* Create the window for windowed management */
/* (reusing the xattr structure above) */
WMwindow = XCreateWindow(SDL_Display, SDL_Root,
x, y, 32, 32, 0,
this->hidden->depth, InputOutput, SDL_Visual,
CWBackPixel | CWBorderPixel | CWColormap,
&xattr);
/* Set the input hints so we get keyboard input */
if(!hints) {
hints = XAllocWMHints();
hints->input = True;
hints->flags = InputHint;
}
XSetWMHints(SDL_Display, WMwindow, hints);
XFree(hints);
X11_SetCaptionNoLock(this, this->wm_title, this->wm_icon);
app_event_mask = FocusChangeMask | KeyPressMask | KeyReleaseMask
| PropertyChangeMask | StructureNotifyMask | KeymapStateMask;
XSelectInput(SDL_Display, WMwindow, app_event_mask);
/* Set the class hints so we can get an icon (AfterStep) */
get_classname(classname, sizeof(classname));
{
XClassHint *classhints;
classhints = XAllocClassHint();
if(classhints != NULL) {
classhints->res_name = classname;
classhints->res_class = classname;
XSetClassHint(SDL_Display, WMwindow, classhints);
XFree(classhints);
}
}
/* Setup the communication with the IM server */
/* create_aux_windows may be called several times against the same
Display. We should reuse the SDL_IM if one has been opened for
the Display, so we should not simply reset SDL_IM here. */
#ifdef X_HAVE_UTF8_STRING
if (SDL_X11_HAVE_UTF8) {
/* Discard obsolete resources if any. */
if (SDL_IM != NULL && SDL_Display != XDisplayOfIM(SDL_IM)) {
/* Just a double check. I don't think this
code is ever executed. */
SDL_SetError("display has changed while an IM is kept");
if (SDL_IC) {
XUnsetICFocus(SDL_IC);
XDestroyIC(SDL_IC);
SDL_IC = NULL;
}
XCloseIM(SDL_IM);
SDL_IM = NULL;
}
/* Open an input method. */
if (SDL_IM == NULL) {
char *old_locale = NULL, *old_modifiers = NULL;
const char *p;
size_t n;
/* I'm not comfortable to do locale setup
here. However, we need C library locale
(and xlib modifiers) to be set based on the
user's preference to use XIM, and many
existing game programs doesn't take care of
users' locale preferences, so someone other
than the game program should do it.
Moreover, ones say that some game programs
heavily rely on the C locale behaviour,
e.g., strcol()'s, and we can't change the C
library locale. Given the situation, I
couldn't find better place to do the
job... */
/* Save the current (application program's)
locale settings. */
p = setlocale(LC_ALL, NULL);
if ( p ) {
n = SDL_strlen(p)+1;
old_locale = SDL_stack_alloc(char, n);
if ( old_locale ) {
SDL_strlcpy(old_locale, p, n);
}
}
p = XSetLocaleModifiers(NULL);
if ( p ) {
n = SDL_strlen(p)+1;
old_modifiers = SDL_stack_alloc(char, n);
if ( old_modifiers ) {
SDL_strlcpy(old_modifiers, p, n);
}
}
/* Fetch the user's preferences and open the
input method with them. */
setlocale(LC_ALL, "");
XSetLocaleModifiers("");
SDL_IM = XOpenIM(SDL_Display, NULL, classname, classname);
/* Restore the application's locale settings
so that we don't break the application's
expected behaviour. */
if ( old_locale ) {
/* We need to restore the C library
locale first, since the
interpretation of the X modifier
may depend on it. */
setlocale(LC_ALL, old_locale);
SDL_stack_free(old_locale);
}
if ( old_modifiers ) {
XSetLocaleModifiers(old_modifiers);
SDL_stack_free(old_modifiers);
}
}
/* Create a new input context for the new window just created. */
if (SDL_IM == NULL) {
SDL_SetError("no input method could be opened");
} else {
if (SDL_IC != NULL) {
/* Discard the old IC before creating new one. */
XUnsetICFocus(SDL_IC);
XDestroyIC(SDL_IC);
}
/* Theoretically we should check the current IM supports
PreeditNothing+StatusNothing style (i.e., root window method)
before creating the IC. However, it is the bottom line method,
and we supports any other options. If the IM didn't support
root window method, the following call fails, and SDL falls
back to pre-XIM keyboard handling. */
SDL_IC = pXCreateIC(SDL_IM,
XNClientWindow, WMwindow,
XNFocusWindow, WMwindow,
XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
XNResourceName, classname,
XNResourceClass, classname,
NULL);
if (SDL_IC == NULL) {
SDL_SetError("no input context could be created");
XCloseIM(SDL_IM);
SDL_IM = NULL;
} else {
/* We need to receive X events that an IM wants and to pass
them to the IM through XFilterEvent. The set of events may
vary depending on the IM implementation and the options
specified through various routes. Although unlikely, the
xlib specification allows IM to change the event requirement
with its own circumstances, it is safe to call SelectInput
whenever we re-create an IC. */
unsigned long mask = 0;
char *ret = pXGetICValues(SDL_IC, XNFilterEvents, &mask, NULL);
if (ret != NULL) {
XUnsetICFocus(SDL_IC);
XDestroyIC(SDL_IC);
SDL_IC = NULL;
SDL_SetError("no input context could be created");
XCloseIM(SDL_IM);
SDL_IM = NULL;
} else {
XSelectInput(SDL_Display, WMwindow, app_event_mask | mask);
XSetICFocus(SDL_IC);
}
}
}
}
int
X11_CreateWindow(_THIS, SDL_Window * window)
{
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
SDL_DisplayData *displaydata =
(SDL_DisplayData *) SDL_GetDisplayForWindow(window)->driverdata;
Display *display = data->display;
int screen = displaydata->screen;
Visual *visual;
int depth;
XSetWindowAttributes xattr;
Window w;
XSizeHints *sizehints;
XWMHints *wmhints;
XClassHint *classhints;
Atom _NET_WM_WINDOW_TYPE;
Atom _NET_WM_WINDOW_TYPE_NORMAL;
int wmstate_count;
Atom wmstate_atoms[3];
#if SDL_VIDEO_DRIVER_X11_XINERAMA
/* FIXME
if ( use_xinerama ) {
x = xinerama_info.x_org;
y = xinerama_info.y_org;
}
*/
#endif
#if SDL_VIDEO_OPENGL_GLX
if (window->flags & SDL_WINDOW_OPENGL) {
XVisualInfo *vinfo;
vinfo = X11_GL_GetVisual(_this, display, screen);
if (!vinfo) {
return -1;
}
visual = vinfo->visual;
depth = vinfo->depth;
XFree(vinfo);
} else
#endif
#ifdef SDL_VIDEO_DRIVER_PANDORA
if (window->flags & SDL_WINDOW_OPENGL) {
XVisualInfo *vinfo;
vinfo = X11_GLES_GetVisual(_this, display, screen);
if (!vinfo) {
return -1;
}
visual = vinfo->visual;
depth = vinfo->depth;
XFree(vinfo);
} else
#endif
{
visual = displaydata->visual;
depth = displaydata->depth;
}
xattr.override_redirect = False;
xattr.background_pixel = 0;
xattr.border_pixel = 0;
xattr.colormap = XCreateColormap(display, RootWindow(display, screen), visual, AllocNone);
w = XCreateWindow(display, RootWindow(display, screen),
window->x, window->y, window->w, window->h,
0, depth, InputOutput, visual,
(CWOverrideRedirect | CWBackPixel | CWBorderPixel |
CWColormap), &xattr);
if (!w) {
SDL_SetError("Couldn't create window");
return -1;
}
#if SDL_VIDEO_DRIVER_PANDORA
/* Create the GLES window surface */
_this->gles_data->egl_surface =
_this->gles_data->eglCreateWindowSurface(_this->gles_data->
egl_display,
_this->gles_data->egl_config,
(NativeWindowType) w, NULL);
if (_this->gles_data->egl_surface == EGL_NO_SURFACE) {
SDL_SetError("Could not create GLES window surface");
return -1;
}
#endif
sizehints = XAllocSizeHints();
if (sizehints) {
if (!(window->flags & SDL_WINDOW_RESIZABLE)) {
sizehints->min_width = sizehints->max_width = window->w;
sizehints->min_height = sizehints->max_height = window->h;
sizehints->flags = PMaxSize | PMinSize;
}
sizehints->x = window->x;
sizehints->y = window->y;
sizehints->flags |= USPosition;
XSetWMNormalHints(display, w, sizehints);
XFree(sizehints);
}
if (window->flags & SDL_WINDOW_BORDERLESS) {
SDL_bool set;
Atom WM_HINTS;
/* We haven't modified the window manager hints yet */
set = SDL_FALSE;
/* First try to set MWM hints */
WM_HINTS = XInternAtom(display, "_MOTIF_WM_HINTS", True);
if (WM_HINTS != None) {
/* Hints used by Motif compliant window managers */
struct
{
unsigned long flags;
unsigned long functions;
unsigned long decorations;
long input_mode;
unsigned long status;
} MWMHints = {
(1L << 1), 0, 0, 0, 0};
XChangeProperty(display, w, WM_HINTS, WM_HINTS, 32,
PropModeReplace, (unsigned char *) &MWMHints,
sizeof(MWMHints) / 4);
set = SDL_TRUE;
}
/* Now try to set KWM hints */
WM_HINTS = XInternAtom(display, "KWM_WIN_DECORATION", True);
if (WM_HINTS != None) {
long KWMHints = 0;
XChangeProperty(display, w, WM_HINTS, WM_HINTS, 32,
PropModeReplace,
(unsigned char *) &KWMHints,
sizeof(KWMHints) / 4);
set = SDL_TRUE;
}
/* Now try to set GNOME hints */
WM_HINTS = XInternAtom(display, "_WIN_HINTS", True);
if (WM_HINTS != None) {
long GNOMEHints = 0;
XChangeProperty(display, w, WM_HINTS, WM_HINTS, 32,
PropModeReplace,
(unsigned char *) &GNOMEHints,
sizeof(GNOMEHints) / 4);
set = SDL_TRUE;
}
/* Finally set the transient hints if necessary */
if (!set) {
XSetTransientForHint(display, w, RootWindow(display, screen));
}
} else {
SDL_bool set;
Atom WM_HINTS;
/* We haven't modified the window manager hints yet */
set = SDL_FALSE;
/* First try to unset MWM hints */
WM_HINTS = XInternAtom(display, "_MOTIF_WM_HINTS", True);
if (WM_HINTS != None) {
XDeleteProperty(display, w, WM_HINTS);
set = SDL_TRUE;
}
/* Now try to unset KWM hints */
WM_HINTS = XInternAtom(display, "KWM_WIN_DECORATION", True);
if (WM_HINTS != None) {
XDeleteProperty(display, w, WM_HINTS);
set = SDL_TRUE;
}
/* Now try to unset GNOME hints */
WM_HINTS = XInternAtom(display, "_WIN_HINTS", True);
if (WM_HINTS != None) {
XDeleteProperty(display, w, WM_HINTS);
set = SDL_TRUE;
}
/* Finally unset the transient hints if necessary */
if (!set) {
XDeleteProperty(display, w, XA_WM_TRANSIENT_FOR);
}
}
/* Set the input hints so we get keyboard input */
wmhints = XAllocWMHints();
if (wmhints) {
wmhints->input = True;
wmhints->flags = InputHint;
XSetWMHints(display, w, wmhints);
XFree(wmhints);
}
/* Set the class hints so we can get an icon (AfterStep) */
classhints = XAllocClassHint();
if (classhints != NULL) {
classhints->res_name = data->classname;
classhints->res_class = data->classname;
XSetClassHint(display, w, classhints);
XFree(classhints);
}
/* Set the window manager state */
wmstate_count = X11_GetWMStateProperty(_this, window, wmstate_atoms);
if (wmstate_count > 0) {
XChangeProperty(display, w, data->_NET_WM_STATE, XA_ATOM, 32,
PropModeReplace,
(unsigned char *)wmstate_atoms, wmstate_count);
} else {
XDeleteProperty(display, w, data->_NET_WM_STATE);
}
/* Let the window manager know we're a "normal" window */
_NET_WM_WINDOW_TYPE = XInternAtom(display, "_NET_WM_WINDOW_TYPE", False);
_NET_WM_WINDOW_TYPE_NORMAL = XInternAtom(display, "_NET_WM_WINDOW_TYPE_NORMAL", False);
XChangeProperty(display, w, _NET_WM_WINDOW_TYPE, XA_ATOM, 32,
PropModeReplace,
(unsigned char *)&_NET_WM_WINDOW_TYPE_NORMAL, 1);
/* Allow the window to be deleted by the window manager */
XSetWMProtocols(display, w, &data->WM_DELETE_WINDOW, 1);
if (SetupWindowData(_this, window, w, SDL_TRUE) < 0) {
XDestroyWindow(display, w);
return -1;
}
#ifdef X_HAVE_UTF8_STRING
{
Uint32 fevent = 0;
pXGetICValues(((SDL_WindowData *) window->driverdata)->ic,
XNFilterEvents, &fevent, NULL);
XSelectInput(display, w,
(FocusChangeMask | EnterWindowMask | LeaveWindowMask |
ExposureMask | ButtonPressMask | ButtonReleaseMask |
PointerMotionMask | KeyPressMask | KeyReleaseMask |
PropertyChangeMask | StructureNotifyMask |
KeymapStateMask | fevent));
}
#else
{
XSelectInput(display, w,
(FocusChangeMask | EnterWindowMask | LeaveWindowMask |
ExposureMask | ButtonPressMask | ButtonReleaseMask |
PointerMotionMask | KeyPressMask | KeyReleaseMask |
PropertyChangeMask | StructureNotifyMask |
KeymapStateMask));
}
#endif
XFlush(display);
return 0;
}
