/* Simple DirectMedia Layer Copyright (C) 1997-2014 Sam Lantinga This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution. */ #include "../../SDL_internal.h" #if SDL_VIDEO_DRIVER_X11 #include #include #include #include #include /* For INT_MAX */ #include "SDL_x11video.h" #include "SDL_x11touch.h" #include "SDL_x11xinput2.h" #include "../../events/SDL_events_c.h" #include "../../events/SDL_mouse_c.h" #include "../../events/SDL_touch_c.h" #include "SDL_timer.h" #include "SDL_syswm.h" #include #ifndef _NET_WM_MOVERESIZE_SIZE_TOPLEFT #define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0 #endif #ifndef _NET_WM_MOVERESIZE_SIZE_TOP #define _NET_WM_MOVERESIZE_SIZE_TOP 1 #endif #ifndef _NET_WM_MOVERESIZE_SIZE_TOPRIGHT #define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2 #endif #ifndef _NET_WM_MOVERESIZE_SIZE_RIGHT #define _NET_WM_MOVERESIZE_SIZE_RIGHT 3 #endif #ifndef _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT #define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4 #endif #ifndef _NET_WM_MOVERESIZE_SIZE_BOTTOM #define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5 #endif #ifndef _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT #define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6 #endif #ifndef _NET_WM_MOVERESIZE_SIZE_LEFT #define _NET_WM_MOVERESIZE_SIZE_LEFT 7 #endif #ifndef _NET_WM_MOVERESIZE_MOVE #define _NET_WM_MOVERESIZE_MOVE 8 #endif typedef struct { unsigned char *data; int format, count; Atom type; } SDL_x11Prop; /* Reads property Must call X11_XFree on results */ static void X11_ReadProperty(SDL_x11Prop *p, Display *disp, Window w, Atom prop) { unsigned char *ret=NULL; Atom type; int fmt; unsigned long count; unsigned long bytes_left; int bytes_fetch = 0; do { if (ret != 0) X11_XFree(ret); X11_XGetWindowProperty(disp, w, prop, 0, bytes_fetch, False, AnyPropertyType, &type, &fmt, &count, &bytes_left, &ret); bytes_fetch += bytes_left; } while (bytes_left != 0); p->data=ret; p->format=fmt; p->count=count; p->type=type; } /* Find text-uri-list in a list of targets and return it's atom if available, else return None */ static Atom X11_PickTarget(Display *disp, Atom list[], int list_count) { Atom request = None; char *name; int i; for (i=0; i < list_count && request == None; i++) { name = X11_XGetAtomName(disp, list[i]); if (strcmp("text/uri-list", name)==0) request = list[i]; X11_XFree(name); } return request; } /* Wrapper for X11_PickTarget for a maximum of three targets, a special case in the Xdnd protocol */ static Atom X11_PickTargetFromAtoms(Display *disp, Atom a0, Atom a1, Atom a2) { int count=0; Atom atom[3]; if (a0 != None) atom[count++] = a0; if (a1 != None) atom[count++] = a1; if (a2 != None) atom[count++] = a2; return X11_PickTarget(disp, atom, count); } /* #define DEBUG_XEVENTS */ struct KeyRepeatCheckData { XEvent *event; SDL_bool found; }; static Bool X11_KeyRepeatCheckIfEvent(Display *display, XEvent *chkev, XPointer arg) { struct KeyRepeatCheckData *d = (struct KeyRepeatCheckData *) arg; if (chkev->type == KeyPress && chkev->xkey.keycode == d->event->xkey.keycode && chkev->xkey.time - d->event->xkey.time < 2) d->found = SDL_TRUE; return False; } /* Check to see if this is a repeated key. (idea shamelessly lifted from GII -- thanks guys! :) */ static SDL_bool X11_KeyRepeat(Display *display, XEvent *event) { XEvent dummyev; struct KeyRepeatCheckData d; d.event = event; d.found = SDL_FALSE; if (X11_XPending(display)) X11_XCheckIfEvent(display, &dummyev, X11_KeyRepeatCheckIfEvent, (XPointer) &d); return d.found; } static Bool X11_IsWheelCheckIfEvent(Display *display, XEvent *chkev, XPointer arg) { XEvent *event = (XEvent *) arg; /* we only handle buttons 4 and 5 - false positive avoidance */ if (chkev->type == ButtonRelease && (event->xbutton.button == Button4 || event->xbutton.button == Button5) && chkev->xbutton.button == event->xbutton.button && chkev->xbutton.time == event->xbutton.time) return True; return False; } static SDL_bool X11_IsWheelEvent(Display * display,XEvent * event,int * ticks) { XEvent relevent; if (X11_XPending(display)) { /* according to the xlib docs, no specific mouse wheel events exist. however, mouse wheel events trigger a button press and a button release immediately. thus, checking if the same button was released at the same time as it was pressed, should be an adequate hack to derive a mouse wheel event. However, there is broken and unusual hardware out there... - False positive: a button for which a release event is generated (or synthesised) immediately. - False negative: a wheel which, when rolled, doesn't have a release event generated immediately. */ if (X11_XCheckIfEvent(display, &relevent, X11_IsWheelCheckIfEvent, (XPointer) event)) { /* by default, X11 only knows 5 buttons. on most 3 button + wheel mouse, Button4 maps to wheel up, Button5 maps to wheel down. */ if (event->xbutton.button == Button4) { *ticks = 1; } else if (event->xbutton.button == Button5) { *ticks = -1; } return SDL_TRUE; } } return SDL_FALSE; } /* Decodes URI escape sequences in string buf of len bytes (excluding the terminating NULL byte) in-place. Since URI-encoded characters take three times the space of normal characters, this should not be an issue. Returns the number of decoded bytes that wound up in the buffer, excluding the terminating NULL byte. The buffer is guaranteed to be NULL-terminated but may contain embedded NULL bytes. On error, -1 is returned. */ int X11_URIDecode(char *buf, int len) { int ri, wi, di; char decode = '\0'; if (buf == NULL || len < 0) { errno = EINVAL; return -1; } if (len == 0) { len = SDL_strlen(buf); } for (ri = 0, wi = 0, di = 0; ri < len && wi < len; ri += 1) { if (di == 0) { /* start decoding */ if (buf[ri] == '%') { decode = '\0'; di += 1; continue; } /* normal write */ buf[wi] = buf[ri]; wi += 1; continue; } else if (di == 1 || di == 2) { char off = '\0'; char isa = buf[ri] >= 'a' && buf[ri] <= 'f'; char isA = buf[ri] >= 'A' && buf[ri] <= 'F'; char isn = buf[ri] >= '0' && buf[ri] <= '9'; if (!(isa || isA || isn)) { /* not a hexadecimal */ int sri; for (sri = ri - di; sri <= ri; sri += 1) { buf[wi] = buf[sri]; wi += 1; } di = 0; continue; } /* itsy bitsy magicsy */ if (isn) { off = 0 - '0'; } else if (isa) { off = 10 - 'a'; } else if (isA) { off = 10 - 'A'; } decode |= (buf[ri] + off) << (2 - di) * 4; if (di == 2) { buf[wi] = decode; wi += 1; di = 0; } else { di += 1; } continue; } } buf[wi] = '\0'; return wi; } /* Convert URI to local filename return filename if possible, else NULL */ static char* X11_URIToLocal(char* uri) { char *file = NULL; SDL_bool local; if (memcmp(uri,"file:/",6) == 0) uri += 6; /* local file? */ else if (strstr(uri,":/") != NULL) return file; /* wrong scheme */ local = uri[0] != '/' || ( uri[0] != '\0' && uri[1] == '/' ); /* got a hostname? */ if ( !local && uri[0] == '/' && uri[2] != '/' ) { char* hostname_end = strchr( uri+1, '/' ); if ( hostname_end != NULL ) { char hostname[ 257 ]; if ( gethostname( hostname, 255 ) == 0 ) { hostname[ 256 ] = '\0'; if ( memcmp( uri+1, hostname, hostname_end - ( uri+1 )) == 0 ) { uri = hostname_end + 1; local = SDL_TRUE; } } } } if ( local ) { file = uri; /* Convert URI escape sequences to real characters */ X11_URIDecode(file, 0); if ( uri[1] == '/' ) { file++; } else { file--; } } return file; } #if SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS static void X11_HandleGenericEvent(SDL_VideoData *videodata,XEvent event) { /* event is a union, so cookie == &event, but this is type safe. */ XGenericEventCookie *cookie = &event.xcookie; if (X11_XGetEventData(videodata->display, cookie)) { X11_HandleXinput2Event(videodata, cookie); X11_XFreeEventData(videodata->display, cookie); } } #endif /* SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS */ static void X11_DispatchFocusIn(SDL_WindowData *data) { #ifdef DEBUG_XEVENTS printf("window %p: Dispatching FocusIn\n", data); #endif SDL_SetKeyboardFocus(data->window); #ifdef X_HAVE_UTF8_STRING if (data->ic) { X11_XSetICFocus(data->ic); } #endif #ifdef SDL_USE_IBUS SDL_IBus_SetFocus(SDL_TRUE); #endif } static void X11_DispatchFocusOut(SDL_WindowData *data) { #ifdef DEBUG_XEVENTS printf("window %p: Dispatching FocusOut\n", data); #endif /* If another window has already processed a focus in, then don't try to * remove focus here. Doing so will incorrectly remove focus from that * window, and the focus lost event for this window will have already * been dispatched anyway. */ if (data->window == SDL_GetKeyboardFocus()) { SDL_SetKeyboardFocus(NULL); } #ifdef X_HAVE_UTF8_STRING if (data->ic) { X11_XUnsetICFocus(data->ic); } #endif #ifdef SDL_USE_IBUS SDL_IBus_SetFocus(SDL_FALSE); #endif } static void X11_DispatchMapNotify(SDL_WindowData *data) { SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_SHOWN, 0, 0); SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_RESTORED, 0, 0); } static void X11_DispatchUnmapNotify(SDL_WindowData *data) { SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_HIDDEN, 0, 0); SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_MINIMIZED, 0, 0); } static void InitiateWindowMove(_THIS, const SDL_WindowData *data, const SDL_Point *point) { SDL_VideoData *viddata = (SDL_VideoData *) _this->driverdata; SDL_Window* window = data->window; Display *display = viddata->display; XEvent evt; /* !!! FIXME: we need to regrab this if necessary when the drag is done. */ X11_XUngrabPointer(display, 0L); X11_XFlush(display); evt.xclient.type = ClientMessage; evt.xclient.window = data->xwindow; evt.xclient.message_type = X11_XInternAtom(display, "_NET_WM_MOVERESIZE", True); evt.xclient.format = 32; evt.xclient.data.l[0] = window->x + point->x; evt.xclient.data.l[1] = window->y + point->y; evt.xclient.data.l[2] = _NET_WM_MOVERESIZE_MOVE; evt.xclient.data.l[3] = Button1; evt.xclient.data.l[4] = 0; X11_XSendEvent(display, DefaultRootWindow(display), False, SubstructureRedirectMask | SubstructureNotifyMask, &evt); X11_XSync(display, 0); } static void InitiateWindowResize(_THIS, const SDL_WindowData *data, const SDL_Point *point, int direction) { SDL_VideoData *viddata = (SDL_VideoData *) _this->driverdata; SDL_Window* window = data->window; Display *display = viddata->display; XEvent evt; if (direction < _NET_WM_MOVERESIZE_SIZE_TOPLEFT || direction > _NET_WM_MOVERESIZE_SIZE_LEFT) return; /* !!! FIXME: we need to regrab this if necessary when the drag is done. */ X11_XUngrabPointer(display, 0L); X11_XFlush(display); evt.xclient.type = ClientMessage; evt.xclient.window = data->xwindow; evt.xclient.message_type = X11_XInternAtom(display, "_NET_WM_MOVERESIZE", True); evt.xclient.format = 32; evt.xclient.data.l[0] = window->x + point->x; evt.xclient.data.l[1] = window->y + point->y; evt.xclient.data.l[2] = direction; evt.xclient.data.l[3] = Button1; evt.xclient.data.l[4] = 0; X11_XSendEvent(display, DefaultRootWindow(display), False, SubstructureRedirectMask | SubstructureNotifyMask, &evt); X11_XSync(display, 0); } static SDL_bool ProcessHitTest(_THIS, const SDL_WindowData *data, const XEvent *xev) { SDL_Window *window = data->window; if (window->hit_test) { const SDL_Point point = { xev->xbutton.x, xev->xbutton.y }; const SDL_HitTestResult rc = window->hit_test(window, &point, window->hit_test_data); static const int directions[] = { _NET_WM_MOVERESIZE_SIZE_TOPLEFT, _NET_WM_MOVERESIZE_SIZE_TOP, _NET_WM_MOVERESIZE_SIZE_TOPRIGHT, _NET_WM_MOVERESIZE_SIZE_RIGHT, _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT, _NET_WM_MOVERESIZE_SIZE_BOTTOM, _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT, _NET_WM_MOVERESIZE_SIZE_LEFT }; switch (rc) { case SDL_HITTEST_DRAGGABLE: InitiateWindowMove(_this, data, &point); return SDL_TRUE; case SDL_HITTEST_RESIZE_TOPLEFT: case SDL_HITTEST_RESIZE_TOP: case SDL_HITTEST_RESIZE_TOPRIGHT: case SDL_HITTEST_RESIZE_RIGHT: case SDL_HITTEST_RESIZE_BOTTOMRIGHT: case SDL_HITTEST_RESIZE_BOTTOM: case SDL_HITTEST_RESIZE_BOTTOMLEFT: case SDL_HITTEST_RESIZE_LEFT: InitiateWindowResize(_this, data, &point, directions[rc - SDL_HITTEST_RESIZE_TOPLEFT]); return SDL_TRUE; default: return SDL_FALSE; } } return SDL_FALSE; } static void ReconcileKeyboardState(_THIS, const SDL_WindowData *data) { SDL_VideoData *viddata = (SDL_VideoData *) _this->driverdata; Display *display = viddata->display; char keys[32]; int keycode = 0; X11_XQueryKeymap( display, keys ); while ( keycode < 256 ) { if ( keys[keycode / 8] & (1 << (keycode % 8)) ) { SDL_SendKeyboardKey(SDL_PRESSED, viddata->key_layout[keycode]); } else { SDL_SendKeyboardKey(SDL_RELEASED, viddata->key_layout[keycode]); } keycode++; } } static void X11_DispatchEvent(_THIS) { SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata; Display *display = videodata->display; SDL_WindowData *data; XEvent xevent; int orig_event_type; KeyCode orig_keycode; XClientMessageEvent m; int i; SDL_zero(xevent); /* valgrind fix. --ryan. */ X11_XNextEvent(display, &xevent); /* Save the original keycode for dead keys, which are filtered out by the XFilterEvent() call below. */ orig_event_type = xevent.type; if (orig_event_type == KeyPress || orig_event_type == KeyRelease) { orig_keycode = xevent.xkey.keycode; } else { orig_keycode = 0; } /* filter events catchs XIM events and sends them to the correct handler */ if (X11_XFilterEvent(&xevent, None) == True) { #if 0 printf("Filtered event type = %d display = %d window = %d\n", xevent.type, xevent.xany.display, xevent.xany.window); #endif if (orig_keycode) { /* Make sure dead key press/release events are sent */ /* Actually, don't do this because it causes double-delivery of some keys on Ubuntu 14.04 (bug 2526) SDL_Scancode scancode = videodata->key_layout[orig_keycode]; if (orig_event_type == KeyPress) { SDL_SendKeyboardKey(SDL_PRESSED, scancode); } else { SDL_SendKeyboardKey(SDL_RELEASED, scancode); } */ } return; } /* Send a SDL_SYSWMEVENT if the application wants them */ if (SDL_GetEventState(SDL_SYSWMEVENT) == SDL_ENABLE) { SDL_SysWMmsg wmmsg; SDL_VERSION(&wmmsg.version); wmmsg.subsystem = SDL_SYSWM_X11; wmmsg.msg.x11.event = xevent; SDL_SendSysWMEvent(&wmmsg); } #if SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS if(xevent.type == GenericEvent) { X11_HandleGenericEvent(videodata,xevent); return; } #endif #if 0 printf("type = %d display = %d window = %d\n", xevent.type, xevent.xany.display, xevent.xany.window); #endif data = NULL; if (videodata && videodata->windowlist) { for (i = 0; i < videodata->numwindows; ++i) { if ((videodata->windowlist[i] != NULL) && (videodata->windowlist[i]->xwindow == xevent.xany.window)) { data = videodata->windowlist[i]; break; } } } if (!data) { return; } switch (xevent.type) { /* Gaining mouse coverage? */ case EnterNotify:{ #ifdef DEBUG_XEVENTS printf("window %p: EnterNotify! (%d,%d,%d)\n", data, xevent.xcrossing.x, xevent.xcrossing.y, xevent.xcrossing.mode); if (xevent.xcrossing.mode == NotifyGrab) printf("Mode: NotifyGrab\n"); if (xevent.xcrossing.mode == NotifyUngrab) printf("Mode: NotifyUngrab\n"); #endif SDL_SetMouseFocus(data->window); if (!SDL_GetMouse()->relative_mode) { SDL_SendMouseMotion(data->window, 0, 0, xevent.xcrossing.x, xevent.xcrossing.y); } } break; /* Losing mouse coverage? */ case LeaveNotify:{ #ifdef DEBUG_XEVENTS printf("window %p: LeaveNotify! (%d,%d,%d)\n", data, xevent.xcrossing.x, xevent.xcrossing.y, xevent.xcrossing.mode); if (xevent.xcrossing.mode == NotifyGrab) printf("Mode: NotifyGrab\n"); if (xevent.xcrossing.mode == NotifyUngrab) printf("Mode: NotifyUngrab\n"); #endif if (!SDL_GetMouse()->relative_mode) { SDL_SendMouseMotion(data->window, 0, 0, xevent.xcrossing.x, xevent.xcrossing.y); } if (xevent.xcrossing.mode != NotifyGrab && xevent.xcrossing.mode != NotifyUngrab && xevent.xcrossing.detail != NotifyInferior) { SDL_SetMouseFocus(NULL); } } break; /* Gaining input focus? */ case FocusIn:{ if (xevent.xfocus.mode == NotifyGrab || xevent.xfocus.mode == NotifyUngrab) { /* Someone is handling a global hotkey, ignore it */ #ifdef DEBUG_XEVENTS printf("window %p: FocusIn (NotifyGrab/NotifyUngrab, ignoring)\n", data); #endif break; } if (xevent.xfocus.detail == NotifyInferior) { #ifdef DEBUG_XEVENTS printf("window %p: FocusIn (NotifierInferior, ignoring)\n", data); #endif break; } #ifdef DEBUG_XEVENTS printf("window %p: FocusIn!\n", data); #endif if (data->pending_focus == PENDING_FOCUS_OUT && data->window == SDL_GetKeyboardFocus()) { ReconcileKeyboardState(_this, data); } if (!videodata->last_mode_change_deadline) /* no recent mode changes */ { data->pending_focus = PENDING_FOCUS_NONE; data->pending_focus_time = 0; X11_DispatchFocusIn(data); } else { data->pending_focus = PENDING_FOCUS_IN; data->pending_focus_time = SDL_GetTicks() + PENDING_FOCUS_TIME; } } break; /* Losing input focus? */ case FocusOut:{ if (xevent.xfocus.mode == NotifyGrab || xevent.xfocus.mode == NotifyUngrab) { /* Someone is handling a global hotkey, ignore it */ #ifdef DEBUG_XEVENTS printf("window %p: FocusOut (NotifyGrab/NotifyUngrab, ignoring)\n", data); #endif break; } if (xevent.xfocus.detail == NotifyInferior) { /* We still have focus if a child gets focus */ #ifdef DEBUG_XEVENTS printf("window %p: FocusOut (NotifierInferior, ignoring)\n", data); #endif break; } #ifdef DEBUG_XEVENTS printf("window %p: FocusOut!\n", data); #endif if (!videodata->last_mode_change_deadline) /* no recent mode changes */ { data->pending_focus = PENDING_FOCUS_NONE; data->pending_focus_time = 0; X11_DispatchFocusOut(data); } else { data->pending_focus = PENDING_FOCUS_OUT; data->pending_focus_time = SDL_GetTicks() + PENDING_FOCUS_TIME; } } break; /* Generated upon EnterWindow and FocusIn */ case KeymapNotify:{ #ifdef DEBUG_XEVENTS printf("window %p: KeymapNotify!\n", data); #endif /* FIXME: X11_SetKeyboardState(SDL_Display, xevent.xkeymap.key_vector); */ } break; /* Has the keyboard layout changed? */ case MappingNotify:{ #ifdef DEBUG_XEVENTS printf("window %p: MappingNotify!\n", data); #endif X11_UpdateKeymap(_this); } break; /* Key press? */ case KeyPress:{ KeyCode keycode = xevent.xkey.keycode; KeySym keysym = NoSymbol; char text[SDL_TEXTINPUTEVENT_TEXT_SIZE]; Status status = 0; SDL_bool handled_by_ime = SDL_FALSE; #ifdef DEBUG_XEVENTS printf("window %p: KeyPress (X11 keycode = 0x%X)\n", data, xevent.xkey.keycode); #endif #if 1 if (videodata->key_layout[keycode] == SDL_SCANCODE_UNKNOWN && keycode) { int min_keycode, max_keycode; X11_XDisplayKeycodes(display, &min_keycode, &max_keycode); #if SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM keysym = X11_XkbKeycodeToKeysym(display, keycode, 0, 0); #else keysym = XKeycodeToKeysym(display, keycode, 0); #endif fprintf(stderr, "The key you just pressed is not recognized by SDL. To help get this fixed, please report this to the SDL mailing list X11 KeyCode %d (%d), X11 KeySym 0x%lX (%s).\n", keycode, keycode - min_keycode, keysym, X11_XKeysymToString(keysym)); } #endif /* */ SDL_zero(text); #ifdef X_HAVE_UTF8_STRING if (data->ic) { X11_Xutf8LookupString(data->ic, &xevent.xkey, text, sizeof(text), &keysym, &status); } #else XLookupString(&xevent.xkey, text, sizeof(text), &keysym, NULL); #endif #ifdef SDL_USE_IBUS if(SDL_GetEventState(SDL_TEXTINPUT) == SDL_ENABLE){ if(!(handled_by_ime = SDL_IBus_ProcessKeyEvent(keysym, keycode))){ #endif if(*text){ SDL_SendKeyboardText(text); } #ifdef SDL_USE_IBUS } } #endif if (!handled_by_ime) { SDL_SendKeyboardKey(SDL_PRESSED, videodata->key_layout[keycode]); } } break; /* Key release? */ case KeyRelease:{ KeyCode keycode = xevent.xkey.keycode; #ifdef DEBUG_XEVENTS printf("window %p: KeyRelease (X11 keycode = 0x%X)\n", data, xevent.xkey.keycode); #endif if (X11_KeyRepeat(display, &xevent)) { /* We're about to get a repeated key down, ignore the key up */ break; } SDL_SendKeyboardKey(SDL_RELEASED, videodata->key_layout[keycode]); } break; /* Have we been iconified? */ case UnmapNotify:{ #ifdef DEBUG_XEVENTS printf("window %p: UnmapNotify!\n", data); #endif X11_DispatchUnmapNotify(data); } break; /* Have we been restored? */ case MapNotify:{ #ifdef DEBUG_XEVENTS printf("window %p: MapNotify!\n", data); #endif X11_DispatchMapNotify(data); } break; /* Have we been resized or moved? */ case ConfigureNotify:{ #ifdef DEBUG_XEVENTS printf("window %p: ConfigureNotify! (position: %d,%d, size: %dx%d)\n", data, xevent.xconfigure.x, xevent.xconfigure.y, xevent.xconfigure.width, xevent.xconfigure.height); #endif long border_left = 0; long border_top = 0; if (data->xwindow) { Atom _net_frame_extents = X11_XInternAtom(display, "_NET_FRAME_EXTENTS", 0); Atom type; int format; unsigned long nitems, bytes_after; unsigned char *property; if (X11_XGetWindowProperty(display, data->xwindow, _net_frame_extents, 0, 16, 0, XA_CARDINAL, &type, &format, &nitems, &bytes_after, &property) == Success) { if (type != None && nitems == 4) { border_left = ((long*)property)[0]; border_top = ((long*)property)[2]; } X11_XFree(property); } } if (xevent.xconfigure.x != data->last_xconfigure.x || xevent.xconfigure.y != data->last_xconfigure.y) { SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_MOVED, xevent.xconfigure.x - border_left, xevent.xconfigure.y - border_top); #ifdef SDL_USE_IBUS if(SDL_GetEventState(SDL_TEXTINPUT) == SDL_ENABLE){ /* Update IBus candidate list position */ SDL_IBus_UpdateTextRect(NULL); } #endif } if (xevent.xconfigure.width != data->last_xconfigure.width || xevent.xconfigure.height != data->last_xconfigure.height) { SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_RESIZED, xevent.xconfigure.width, xevent.xconfigure.height); } data->last_xconfigure = xevent.xconfigure; } break; /* Have we been requested to quit (or another client message?) */ case ClientMessage:{ static int xdnd_version=0; if (xevent.xclient.message_type == videodata->XdndEnter) { SDL_bool use_list = xevent.xclient.data.l[1] & 1; data->xdnd_source = xevent.xclient.data.l[0]; xdnd_version = ( xevent.xclient.data.l[1] >> 24); #ifdef DEBUG_XEVENTS printf("XID of source window : %ld\n", data->xdnd_source); printf("Protocol version to use : %ld\n", xdnd_version); printf("More then 3 data types : %ld\n", use_list); #endif if (use_list) { /* fetch conversion targets */ SDL_x11Prop p; X11_ReadProperty(&p, display, data->xdnd_source, videodata->XdndTypeList); /* pick one */ data->xdnd_req = X11_PickTarget(display, (Atom*)p.data, p.count); X11_XFree(p.data); } else { /* pick from list of three */ data->xdnd_req = X11_PickTargetFromAtoms(display, xevent.xclient.data.l[2], xevent.xclient.data.l[3], xevent.xclient.data.l[4]); } } else if (xevent.xclient.message_type == videodata->XdndPosition) { #ifdef DEBUG_XEVENTS Atom act= videodata->XdndActionCopy; if(xdnd_version >= 2) { act = xevent.xclient.data.l[4]; } printf("Action requested by user is : %s\n", X11_XGetAtomName(display , act)); #endif /* reply with status */ memset(&m, 0, sizeof(XClientMessageEvent)); m.type = ClientMessage; m.display = xevent.xclient.display; m.window = xevent.xclient.data.l[0]; m.message_type = videodata->XdndStatus; m.format=32; m.data.l[0] = data->xwindow; m.data.l[1] = (data->xdnd_req != None); m.data.l[2] = 0; /* specify an empty rectangle */ m.data.l[3] = 0; m.data.l[4] = videodata->XdndActionCopy; /* we only accept copying anyway */ X11_XSendEvent(display, xevent.xclient.data.l[0], False, NoEventMask, (XEvent*)&m); X11_XFlush(display); } else if(xevent.xclient.message_type == videodata->XdndDrop) { if (data->xdnd_req == None) { /* say again - not interested! */ memset(&m, 0, sizeof(XClientMessageEvent)); m.type = ClientMessage; m.display = xevent.xclient.display; m.window = xevent.xclient.data.l[0]; m.message_type = videodata->XdndFinished; m.format=32; m.data.l[0] = data->xwindow; m.data.l[1] = 0; m.data.l[2] = None; /* fail! */ X11_XSendEvent(display, xevent.xclient.data.l[0], False, NoEventMask, (XEvent*)&m); } else { /* convert */ if(xdnd_version >= 1) { X11_XConvertSelection(display, videodata->XdndSelection, data->xdnd_req, videodata->PRIMARY, data->xwindow, xevent.xclient.data.l[2]); } else { X11_XConvertSelection(display, videodata->XdndSelection, data->xdnd_req, videodata->PRIMARY, data->xwindow, CurrentTime); } } } else if ((xevent.xclient.message_type == videodata->WM_PROTOCOLS) && (xevent.xclient.format == 32) && (xevent.xclient.data.l[0] == videodata->_NET_WM_PING)) { Window root = DefaultRootWindow(display); #ifdef DEBUG_XEVENTS printf("window %p: _NET_WM_PING\n", data); #endif xevent.xclient.window = root; X11_XSendEvent(display, root, False, SubstructureRedirectMask | SubstructureNotifyMask, &xevent); break; } else if ((xevent.xclient.message_type == videodata->WM_PROTOCOLS) && (xevent.xclient.format == 32) && (xevent.xclient.data.l[0] == videodata->WM_DELETE_WINDOW)) { #ifdef DEBUG_XEVENTS printf("window %p: WM_DELETE_WINDOW\n", data); #endif SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_CLOSE, 0, 0); break; } } break; /* Do we need to refresh ourselves? */ case Expose:{ #ifdef DEBUG_XEVENTS printf("window %p: Expose (count = %d)\n", data, xevent.xexpose.count); #endif SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_EXPOSED, 0, 0); } break; case MotionNotify:{ SDL_Mouse *mouse = SDL_GetMouse(); if(!mouse->relative_mode || mouse->relative_mode_warp) { #ifdef DEBUG_MOTION printf("window %p: X11 motion: %d,%d\n", xevent.xmotion.x, xevent.xmotion.y); #endif SDL_SendMouseMotion(data->window, 0, 0, xevent.xmotion.x, xevent.xmotion.y); } } break; case ButtonPress:{ int ticks = 0; if (X11_IsWheelEvent(display,&xevent,&ticks)) { SDL_SendMouseWheel(data->window, 0, 0, ticks, SDL_MOUSEWHEEL_NORMAL); } else { if(xevent.xbutton.button == Button1) { if (ProcessHitTest(_this, data, &xevent)) { break; /* don't pass this event on to app. */ } } SDL_SendMouseButton(data->window, 0, SDL_PRESSED, xevent.xbutton.button); } } break; case ButtonRelease:{ SDL_SendMouseButton(data->window, 0, SDL_RELEASED, xevent.xbutton.button); } break; case PropertyNotify:{ #ifdef DEBUG_XEVENTS unsigned char *propdata; int status, real_format; Atom real_type; unsigned long items_read, items_left, i; char *name = X11_XGetAtomName(display, xevent.xproperty.atom); if (name) { printf("window %p: PropertyNotify: %s %s\n", data, name, (xevent.xproperty.state == PropertyDelete) ? "deleted" : "changed"); X11_XFree(name); } status = X11_XGetWindowProperty(display, data->xwindow, xevent.xproperty.atom, 0L, 8192L, False, AnyPropertyType, &real_type, &real_format, &items_read, &items_left, &propdata); if (status == Success && items_read > 0) { if (real_type == XA_INTEGER) { int *values = (int *)propdata; printf("{"); for (i = 0; i < items_read; i++) { printf(" %d", values[i]); } printf(" }\n"); } else if (real_type == XA_CARDINAL) { if (real_format == 32) { Uint32 *values = (Uint32 *)propdata; printf("{"); for (i = 0; i < items_read; i++) { printf(" %d", values[i]); } printf(" }\n"); } else if (real_format == 16) { Uint16 *values = (Uint16 *)propdata; printf("{"); for (i = 0; i < items_read; i++) { printf(" %d", values[i]); } printf(" }\n"); } else if (real_format == 8) { Uint8 *values = (Uint8 *)propdata; printf("{"); for (i = 0; i < items_read; i++) { printf(" %d", values[i]); } printf(" }\n"); } } else if (real_type == XA_STRING || real_type == videodata->UTF8_STRING) { printf("{ \"%s\" }\n", propdata); } else if (real_type == XA_ATOM) { Atom *atoms = (Atom *)propdata; printf("{"); for (i = 0; i < items_read; i++) { char *name = X11_XGetAtomName(display, atoms[i]); if (name) { printf(" %s", name); X11_XFree(name); } } printf(" }\n"); } else { char *name = X11_XGetAtomName(display, real_type); printf("Unknown type: %ld (%s)\n", real_type, name ? name : "UNKNOWN"); if (name) { X11_XFree(name); } } } if (status == Success) { X11_XFree(propdata); } #endif /* DEBUG_XEVENTS */ if (xevent.xproperty.atom == data->videodata->_NET_WM_STATE) { /* Get the new state from the window manager. Compositing window managers can alter visibility of windows without ever mapping / unmapping them, so we handle that here, because they use the NETWM protocol to notify us of changes. */ const Uint32 flags = X11_GetNetWMState(_this, xevent.xproperty.window); const Uint32 changed = flags ^ data->window->flags; if ((changed & SDL_WINDOW_HIDDEN) || (changed & SDL_WINDOW_FULLSCREEN)) { if (flags & SDL_WINDOW_HIDDEN) { X11_DispatchUnmapNotify(data); } else { X11_DispatchMapNotify(data); } } if (changed & SDL_WINDOW_MAXIMIZED) { if (flags & SDL_WINDOW_MAXIMIZED) { SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_MAXIMIZED, 0, 0); } else { SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_RESTORED, 0, 0); } } } } break; /* Copy the selection from XA_CUT_BUFFER0 to the requested property */ case SelectionRequest: { XSelectionRequestEvent *req; XEvent sevent; int seln_format; unsigned long nbytes; unsigned long overflow; unsigned char *seln_data; req = &xevent.xselectionrequest; #ifdef DEBUG_XEVENTS printf("window %p: SelectionRequest (requestor = %ld, target = %ld)\n", data, req->requestor, req->target); #endif SDL_zero(sevent); sevent.xany.type = SelectionNotify; sevent.xselection.selection = req->selection; sevent.xselection.target = None; sevent.xselection.property = None; sevent.xselection.requestor = req->requestor; sevent.xselection.time = req->time; if (X11_XGetWindowProperty(display, DefaultRootWindow(display), XA_CUT_BUFFER0, 0, INT_MAX/4, False, req->target, &sevent.xselection.target, &seln_format, &nbytes, &overflow, &seln_data) == Success) { Atom XA_TARGETS = X11_XInternAtom(display, "TARGETS", 0); if (sevent.xselection.target == req->target) { X11_XChangeProperty(display, req->requestor, req->property, sevent.xselection.target, seln_format, PropModeReplace, seln_data, nbytes); sevent.xselection.property = req->property; } else if (XA_TARGETS == req->target) { Atom SupportedFormats[] = { sevent.xselection.target, XA_TARGETS }; X11_XChangeProperty(display, req->requestor, req->property, XA_ATOM, 32, PropModeReplace, (unsigned char*)SupportedFormats, sizeof(SupportedFormats)/sizeof(*SupportedFormats)); sevent.xselection.property = req->property; } X11_XFree(seln_data); } X11_XSendEvent(display, req->requestor, False, 0, &sevent); X11_XSync(display, False); } break; case SelectionNotify: { #ifdef DEBUG_XEVENTS printf("window %p: SelectionNotify (requestor = %ld, target = %ld)\n", data, xevent.xselection.requestor, xevent.xselection.target); #endif Atom target = xevent.xselection.target; if (target == data->xdnd_req) { /* read data */ SDL_x11Prop p; X11_ReadProperty(&p, display, data->xwindow, videodata->PRIMARY); if (p.format == 8) { SDL_bool expect_lf = SDL_FALSE; char *start = NULL; char *scan = (char*)p.data; char *fn; char *uri; int length = 0; while (p.count--) { if (!expect_lf) { if (*scan == 0x0D) { expect_lf = SDL_TRUE; } if (start == NULL) { start = scan; length = 0; } length++; } else { if (*scan == 0x0A && length > 0) { uri = SDL_malloc(length--); SDL_memcpy(uri, start, length); uri[length] = '\0'; fn = X11_URIToLocal(uri); if (fn) { SDL_SendDropFile(fn); } SDL_free(uri); } expect_lf = SDL_FALSE; start = NULL; } scan++; } } X11_XFree(p.data); /* send reply */ SDL_memset(&m, 0, sizeof(XClientMessageEvent)); m.type = ClientMessage; m.display = display; m.window = data->xdnd_source; m.message_type = videodata->XdndFinished; m.format = 32; m.data.l[0] = data->xwindow; m.data.l[1] = 1; m.data.l[2] = videodata->XdndActionCopy; X11_XSendEvent(display, data->xdnd_source, False, NoEventMask, (XEvent*)&m); X11_XSync(display, False); } else { videodata->selection_waiting = SDL_FALSE; } } break; default:{ #ifdef DEBUG_XEVENTS printf("window %p: Unhandled event %d\n", data, xevent.type); #endif } break; } } static void X11_HandleFocusChanges(_THIS) { SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata; int i; if (videodata && videodata->windowlist) { for (i = 0; i < videodata->numwindows; ++i) { SDL_WindowData *data = videodata->windowlist[i]; if (data && data->pending_focus != PENDING_FOCUS_NONE) { Uint32 now = SDL_GetTicks(); if (SDL_TICKS_PASSED(now, data->pending_focus_time)) { if ( data->pending_focus == PENDING_FOCUS_IN ) { X11_DispatchFocusIn(data); } else { X11_DispatchFocusOut(data); } data->pending_focus = PENDING_FOCUS_NONE; } } } } } /* Ack! X11_XPending() actually performs a blocking read if no events available */ static int X11_Pending(Display * display) { /* Flush the display connection and look to see if events are queued */ X11_XFlush(display); if (X11_XEventsQueued(display, QueuedAlready)) { return (1); } /* More drastic measures are required -- see if X is ready to talk */ { static struct timeval zero_time; /* static == 0 */ int x11_fd; fd_set fdset; x11_fd = ConnectionNumber(display); FD_ZERO(&fdset); FD_SET(x11_fd, &fdset); if (select(x11_fd + 1, &fdset, NULL, NULL, &zero_time) == 1) { return (X11_XPending(display)); } } /* Oh well, nothing is ready .. */ return (0); } void X11_PumpEvents(_THIS) { SDL_VideoData *data = (SDL_VideoData *) _this->driverdata; if (data->last_mode_change_deadline) { if (SDL_TICKS_PASSED(SDL_GetTicks(), data->last_mode_change_deadline)) { data->last_mode_change_deadline = 0; /* assume we're done. */ } } /* Update activity every 30 seconds to prevent screensaver */ if (_this->suspend_screensaver) { const Uint32 now = SDL_GetTicks(); if (!data->screensaver_activity || SDL_TICKS_PASSED(now, data->screensaver_activity + 30000)) { X11_XResetScreenSaver(data->display); #if SDL_USE_LIBDBUS SDL_DBus_ScreensaverTickle(); #endif data->screensaver_activity = now; } } #ifdef SDL_USE_IBUS if(SDL_GetEventState(SDL_TEXTINPUT) == SDL_ENABLE){ SDL_IBus_PumpEvents(); } #endif /* Keep processing pending events */ while (X11_Pending(data->display)) { X11_DispatchEvent(_this); } /* FIXME: Only need to do this when there are pending focus changes */ X11_HandleFocusChanges(_this); } void X11_SuspendScreenSaver(_THIS) { #if SDL_VIDEO_DRIVER_X11_XSCRNSAVER SDL_VideoData *data = (SDL_VideoData *) _this->driverdata; int dummy; int major_version, minor_version; #endif /* SDL_VIDEO_DRIVER_X11_XSCRNSAVER */ #if SDL_USE_LIBDBUS if (SDL_DBus_ScreensaverInhibit(_this->suspend_screensaver)) { return; } if (_this->suspend_screensaver) { SDL_DBus_ScreensaverTickle(); } #endif #if SDL_VIDEO_DRIVER_X11_XSCRNSAVER if (SDL_X11_HAVE_XSS) { /* X11_XScreenSaverSuspend was introduced in MIT-SCREEN-SAVER 1.1 */ if (!X11_XScreenSaverQueryExtension(data->display, &dummy, &dummy) || !X11_XScreenSaverQueryVersion(data->display, &major_version, &minor_version) || major_version < 1 || (major_version == 1 && minor_version < 1)) { return; } X11_XScreenSaverSuspend(data->display, _this->suspend_screensaver); X11_XResetScreenSaver(data->display); } #endif } #endif /* SDL_VIDEO_DRIVER_X11 */ /* vi: set ts=4 sw=4 expandtab: */