static gboolean
message_translate (ClutterBackend *backend,
ClutterEvent *event,
const MSG *msg,
gboolean *call_def_window_proc)
{
ClutterBackendWin32 *backend_win32;
ClutterStageWin32 *stage_win32;
ClutterStage *stage;
ClutterStageWindow *impl;
gboolean res;
backend_win32 = CLUTTER_BACKEND_WIN32 (backend);
/* Do further processing only on events for the stage window */
stage = clutter_win32_get_stage_from_window (msg->hwnd);
if (stage == NULL)
return FALSE;
impl = _clutter_stage_get_window (stage);
stage_win32 = CLUTTER_STAGE_WIN32 (impl);
event->any.stage = stage;
res = TRUE;
switch (msg->message)
{
case WM_SIZE:
if (!stage_win32->is_foreign_win
/* Ignore size changes resulting from the stage being
minimized - otherwise the window size will be set to
0,0 */
&& msg->wParam != SIZE_MINIMIZED)
{
WORD new_width = LOWORD (msg->lParam);
WORD new_height = HIWORD (msg->lParam);
guint old_width, old_height;
clutter_actor_get_size (CLUTTER_ACTOR (stage),
&old_width, &old_height);
if (new_width != old_width || new_height != old_height)
clutter_actor_set_size (CLUTTER_ACTOR (stage),
new_width, new_height);
}
res = FALSE;
break;
case WM_SHOWWINDOW:
if (msg->wParam)
clutter_stage_win32_map (stage_win32);
else
clutter_stage_win32_unmap (stage_win32);
res = FALSE;
break;
case WM_ACTIVATE:
if (msg->wParam == WA_INACTIVE)
{
if (stage_win32->state & CLUTTER_STAGE_STATE_ACTIVATED)
{
stage_win32->state &= ~CLUTTER_STAGE_STATE_ACTIVATED;
event->type = CLUTTER_STAGE_STATE;
event->stage_state.changed_mask = CLUTTER_STAGE_STATE_ACTIVATED;
event->stage_state.new_state = stage_win32->state;
}
else
res = FALSE;
break;
}
else
{
if (!(stage_win32->state & CLUTTER_STAGE_STATE_ACTIVATED))
{
stage_win32->state |= CLUTTER_STAGE_STATE_ACTIVATED;
event->type = CLUTTER_STAGE_STATE;
event->stage_state.changed_mask = CLUTTER_STAGE_STATE_ACTIVATED;
event->stage_state.new_state = stage_win32->state;
}
else
res = FALSE;
}
break;
case WM_PAINT:
CLUTTER_NOTE (MULTISTAGE, "expose for stage:%p, redrawing", stage);
clutter_redraw (stage);
res = FALSE;
break;
case WM_DESTROY:
CLUTTER_NOTE (EVENT, "WM_DESTROY");
event->type = CLUTTER_DESTROY_NOTIFY;
break;
case WM_CLOSE:
CLUTTER_NOTE (EVENT, "WM_CLOSE");
event->type = CLUTTER_DELETE;
/* The default window proc will destroy the window so we want to
prevent this to allow applications to optionally destroy the
window themselves */
if (call_def_window_proc)
*call_def_window_proc = FALSE;
break;
case WM_LBUTTONDOWN:
make_button_event (msg, event, 1, 1, FALSE);
break;
case WM_MBUTTONDOWN:
make_button_event (msg, event, 2, 1, FALSE);
break;
case WM_RBUTTONDOWN:
make_button_event (msg, event, 3, 1, FALSE);
break;
case WM_LBUTTONUP:
make_button_event (msg, event, 1, 1, TRUE);
break;
case WM_MBUTTONUP:
make_button_event (msg, event, 2, 1, TRUE);
break;
case WM_RBUTTONUP:
make_button_event (msg, event, 3, 1, TRUE);
break;
case WM_LBUTTONDBLCLK:
make_button_event (msg, event, 1, 2, FALSE);
break;
case WM_MBUTTONDBLCLK:
make_button_event (msg, event, 2, 2, FALSE);
break;
case WM_RBUTTONDBLCLK:
make_button_event (msg, event, 3, 2, FALSE);
break;
case WM_MOUSEWHEEL:
stage_win32->scroll_pos += (SHORT) HIWORD (msg->wParam);
event->type = CLUTTER_SCROLL;
event->scroll.time = msg->time;
event->scroll.modifier_state
= get_modifier_state (LOWORD (msg->wParam));
/* conversion to window coordinates is required */
{
POINT pt = { GET_X_LPARAM (msg->lParam), GET_Y_LPARAM (msg->lParam) };
ScreenToClient (msg->hwnd, &pt);
event->scroll.x = pt.x;
event->scroll.y = pt.y;
}
if (stage_win32->scroll_pos >= WHEEL_DELTA)
{
event->scroll.direction = CLUTTER_SCROLL_UP;
stage_win32->scroll_pos -= WHEEL_DELTA;
}
else if (stage_win32->scroll_pos <= -WHEEL_DELTA)
{
event->scroll.direction = CLUTTER_SCROLL_DOWN;
stage_win32->scroll_pos += WHEEL_DELTA;
}
else
res = FALSE;
break;
case WM_MOUSEMOVE:
event->type = CLUTTER_MOTION;
event->motion.time = msg->time;
event->motion.x = GET_X_LPARAM (msg->lParam);
event->motion.y = GET_Y_LPARAM (msg->lParam);
event->motion.modifier_state = get_modifier_state (msg->wParam);
break;
case WM_KEYDOWN:
case WM_KEYUP:
case WM_SYSKEYDOWN:
case WM_SYSKEYUP:
{
int scan_code = (msg->lParam >> 16) & 0xff;
int min = 0, max = CLUTTER_WIN32_KEY_MAP_SIZE, mid;
BYTE key_states[256];
/* Get the keyboard modifier states. GetKeyboardState
conveniently gets the key state that was current when the
last keyboard message read was generated */
GetKeyboardState(key_states);
/* Binary chop to check if we have a direct mapping for this
key code */
while (min < max)
{
mid = (min + max) / 2;
if (clutter_win32_key_map[mid].win_sym == msg->wParam)
{
event->key.keyval = clutter_win32_key_map[mid].clutter_sym;
event->key.unicode_value = 0;
break;
}
else if (clutter_win32_key_map[mid].win_sym < msg->wParam)
min = mid + 1;
else
max = mid;
}
/* If we don't have a direct mapping then try getting the
unicode value of the key sym */
if (min >= max)
{
WCHAR ch;
BYTE shift_state[256];
/* Translate to a Unicode value, but only take into
account the shift key. That way Ctrl+Shift+C will
generate a capital C virtual key code with a zero
unicode value for example */
memset (shift_state, 0, 256);
shift_state[VK_SHIFT] = key_states[VK_SHIFT];
shift_state[VK_LSHIFT] = key_states[VK_LSHIFT];
shift_state[VK_RSHIFT] = key_states[VK_RSHIFT];
shift_state[VK_CAPITAL] = key_states[VK_CAPITAL];
if (ToUnicode (msg->wParam, scan_code,
shift_state, &ch, 1, 0) == 1
/* The codes in this range directly match the Latin 1
codes so we can just use the Unicode value as the
key sym */
&& ch >= 0x20 && ch <= 0xff)
event->key.keyval = ch;
else
/* Otherwise we don't know what the key means but the
application might be able to do something with the
scan code so we might as well still generate the
event */
event->key.keyval = CLUTTER_VoidSymbol;
/* Get the unicode value of the keypress again using the
full modifier state */
if (ToUnicode (msg->wParam, scan_code,
key_states, &ch, 1, 0) == 1)
event->key.unicode_value = ch;
else
event->key.unicode_value = 0;
}
event->key.type = msg->message == WM_KEYDOWN
|| msg->message == WM_SYSKEYDOWN
? CLUTTER_KEY_PRESS : CLUTTER_KEY_RELEASE;
event->key.time = msg->time;
event->key.modifier_state = get_key_modifier_state (key_states);
event->key.hardware_keycode = scan_code;
}
break;
case WM_GETMINMAXINFO:
{
MINMAXINFO *min_max_info = (MINMAXINFO *) msg->lParam;
_clutter_stage_win32_get_min_max_info (stage_win32, min_max_info);
if (call_def_window_proc)
*call_def_window_proc = FALSE;
}
break;
default:
/* ignore every other message */
res = FALSE;
break;
}
return res;
}
void OS_X11::process_xevents() {
//printf("checking events %i\n", XPending(x11_display));
bool do_mouse_warp=false;
while (XPending(x11_display) > 0) {
XEvent event;
XNextEvent(x11_display, &event);
switch (event.type) {
case Expose:
Main::force_redraw();
break;
case NoExpose:
minimized = true;
break;
case VisibilityNotify: {
XVisibilityEvent * visibility = (XVisibilityEvent *)&event;
minimized = (visibility->state == VisibilityFullyObscured);
} break;
case FocusIn:
main_loop->notification(MainLoop::NOTIFICATION_WM_FOCUS_IN);
if (mouse_mode==MOUSE_MODE_CAPTURED) {
XGrabPointer(x11_display, x11_window, True,
ButtonPressMask | ButtonReleaseMask |
PointerMotionMask, GrabModeAsync, GrabModeAsync,
x11_window, None, CurrentTime);
}
break;
case FocusOut:
main_loop->notification(MainLoop::NOTIFICATION_WM_FOCUS_OUT);
if (mouse_mode==MOUSE_MODE_CAPTURED) {
//dear X11, I try, I really try, but you never work, you do whathever you want.
XUngrabPointer(x11_display, CurrentTime);
}
break;
case ConfigureNotify:
/* call resizeGLScene only if our window-size changed */
if ((event.xconfigure.width == current_videomode.width) &&
(event.xconfigure.height == current_videomode.height))
break;
current_videomode.width=event.xconfigure.width;
current_videomode.height=event.xconfigure.height;
break;
case ButtonPress:
case ButtonRelease: {
/* exit in case of a mouse button press */
last_timestamp=event.xbutton.time;
if (mouse_mode==MOUSE_MODE_CAPTURED) {
event.xbutton.x=last_mouse_pos.x;
event.xbutton.y=last_mouse_pos.y;
}
InputEvent mouse_event;
mouse_event.ID=++event_id;
mouse_event.type = InputEvent::MOUSE_BUTTON;
mouse_event.device=0;
mouse_event.mouse_button.mod = get_key_modifier_state(event.xbutton.state);
mouse_event.mouse_button.button_mask = get_mouse_button_state(event.xbutton.state);
mouse_event.mouse_button.x=event.xbutton.x;
mouse_event.mouse_button.y=event.xbutton.y;
mouse_event.mouse_button.global_x=event.xbutton.x;
mouse_event.mouse_button.global_y=event.xbutton.y;
mouse_event.mouse_button.button_index=event.xbutton.button;
if (mouse_event.mouse_button.button_index==2)
mouse_event.mouse_button.button_index=3;
else if (mouse_event.mouse_button.button_index==3)
mouse_event.mouse_button.button_index=2;
mouse_event.mouse_button.pressed=(event.type==ButtonPress);
if (event.type==ButtonPress && event.xbutton.button==1) {
uint64_t diff = get_ticks_usec()/1000 - last_click_ms;
if (diff<400 && Point2(last_click_pos).distance_to(Point2(event.xbutton.x,event.xbutton.y))<5) {
last_click_ms=0;
last_click_pos = Point2(-100,-100);
mouse_event.mouse_button.doubleclick=true;
mouse_event.ID=++event_id;
} else {
last_click_ms+=diff;
last_click_pos = Point2(event.xbutton.x,event.xbutton.y);
}
}
input->parse_input_event( mouse_event);
} break;
case MotionNotify: {
last_timestamp=event.xmotion.time;
// Motion is also simple.
// A little hack is in order
// to be able to send relative motion events.
Point2i pos( event.xmotion.x, event.xmotion.y );
if (mouse_mode==MOUSE_MODE_CAPTURED) {
#if 1
Vector2 c = Point2i(current_videomode.width/2,current_videomode.height/2);
if (pos==Point2i(current_videomode.width/2,current_videomode.height/2)) {
//this sucks, it's a hack, etc and is a little inaccurate, etc.
//but nothing I can do, X11 sucks.
center=pos;
break;
}
Point2i ncenter = pos;
pos = last_mouse_pos + ( pos-center );
center=ncenter;
do_mouse_warp=true;
#else
//Dear X11, thanks for making my life miserable
center.x = current_videomode.width/2;
center.y = current_videomode.height/2;
pos = last_mouse_pos + ( pos-center );
if (pos==last_mouse_pos)
break;
XWarpPointer(x11_display, None, x11_window,
0,0,0,0, (int)center.x, (int)center.y);
#endif
}
if (!last_mouse_pos_valid) {
last_mouse_pos=pos;
last_mouse_pos_valid=true;
}
Point2i rel = pos - last_mouse_pos;
InputEvent motion_event;
motion_event.ID=++event_id;
motion_event.type=InputEvent::MOUSE_MOTION;
motion_event.device=0;
motion_event.mouse_motion.mod = get_key_modifier_state(event.xmotion.state);
motion_event.mouse_motion.button_mask = get_mouse_button_state(event.xmotion.state);
motion_event.mouse_motion.x=pos.x;
motion_event.mouse_motion.y=pos.y;
input->set_mouse_pos(pos);
motion_event.mouse_motion.global_x=pos.x;
motion_event.mouse_motion.global_y=pos.y;
motion_event.mouse_motion.speed_x=input->get_mouse_speed().x;
motion_event.mouse_motion.speed_y=input->get_mouse_speed().y;
motion_event.mouse_motion.relative_x=rel.x;
motion_event.mouse_motion.relative_y=rel.y;
last_mouse_pos=pos;
input->parse_input_event( motion_event);
} break;
case KeyPress:
case KeyRelease: {
last_timestamp=event.xkey.time;
// key event is a little complex, so
// it will be handled in it's own function.
handle_key_event( (XKeyEvent*)&event );
} break;
case SelectionRequest: {
XSelectionRequestEvent *req;
XEvent e, respond;
e = event;
req=&(e.xselectionrequest);
if (req->target == XA_STRING || req->target == XInternAtom(x11_display, "COMPOUND_TEXT", 0) ||
req->target == XInternAtom(x11_display, "UTF8_STRING", 0))
{
CharString clip = OS::get_clipboard().utf8();
XChangeProperty (x11_display,
req->requestor,
req->property,
req->target,
8,
PropModeReplace,
(unsigned char*)clip.get_data(),
clip.length());
respond.xselection.property=req->property;
} else if (req->target == XInternAtom(x11_display, "TARGETS", 0)) {
Atom data[2];
data[0] = XInternAtom(x11_display, "UTF8_STRING", 0);
data[1] = XA_STRING;
XChangeProperty (x11_display, req->requestor, req->property, req->target,
8, PropModeReplace, (unsigned char *) &data,
sizeof (data));
respond.xselection.property=req->property;
} else {
printf ("No String %x\n",
(int)req->target);
respond.xselection.property= None;
}
respond.xselection.type= SelectionNotify;
respond.xselection.display= req->display;
respond.xselection.requestor= req->requestor;
respond.xselection.selection=req->selection;
respond.xselection.target= req->target;
respond.xselection.time = req->time;
XSendEvent (x11_display, req->requestor,0,0,&respond);
XFlush (x11_display);
} break;
case ClientMessage:
if ((unsigned int)event.xclient.data.l[0]==(unsigned int)wm_delete)
main_loop->notification(MainLoop::NOTIFICATION_WM_QUIT_REQUEST);
break;
default:
break;
}
}
XFlush(x11_display);
if (do_mouse_warp) {
XWarpPointer(x11_display, None, x11_window,
0,0,0,0, (int)current_videomode.width/2, (int)current_videomode.height/2);
}
}
void OS_X11::process_xevents() {
//printf("checking events %i\n", XPending(x11_display));
do_mouse_warp=false;
while (XPending(x11_display) > 0) {
XEvent event;
XNextEvent(x11_display, &event);
switch (event.type) {
case Expose:
Main::force_redraw();
break;
case NoExpose:
minimized = true;
break;
case VisibilityNotify: {
XVisibilityEvent * visibility = (XVisibilityEvent *)&event;
minimized = (visibility->state == VisibilityFullyObscured);
} break;
case LeaveNotify: {
if (main_loop && mouse_mode!=MOUSE_MODE_CAPTURED)
main_loop->notification(MainLoop::NOTIFICATION_WM_MOUSE_EXIT);
if (input)
input->set_mouse_in_window(false);
} break;
case EnterNotify: {
if (main_loop && mouse_mode!=MOUSE_MODE_CAPTURED)
main_loop->notification(MainLoop::NOTIFICATION_WM_MOUSE_ENTER);
if (input)
input->set_mouse_in_window(true);
} break;
case FocusIn:
minimized = false;
#ifdef NEW_WM_API
if(current_videomode.fullscreen) {
set_wm_fullscreen(true);
}
#endif
main_loop->notification(MainLoop::NOTIFICATION_WM_FOCUS_IN);
if (mouse_mode==MOUSE_MODE_CAPTURED) {
XGrabPointer(x11_display, x11_window, True,
ButtonPressMask | ButtonReleaseMask |
PointerMotionMask, GrabModeAsync, GrabModeAsync,
x11_window, None, CurrentTime);
}
break;
case FocusOut:
#ifdef NEW_WM_API
if(current_videomode.fullscreen) {
set_wm_fullscreen(false);
set_window_minimized(true);
}
#endif
main_loop->notification(MainLoop::NOTIFICATION_WM_FOCUS_OUT);
if (mouse_mode==MOUSE_MODE_CAPTURED) {
//dear X11, I try, I really try, but you never work, you do whathever you want.
XUngrabPointer(x11_display, CurrentTime);
}
break;
case ConfigureNotify:
/* call resizeGLScene only if our window-size changed */
if ((event.xconfigure.width == current_videomode.width) &&
(event.xconfigure.height == current_videomode.height))
break;
current_videomode.width=event.xconfigure.width;
current_videomode.height=event.xconfigure.height;
break;
case ButtonPress:
case ButtonRelease: {
/* exit in case of a mouse button press */
last_timestamp=event.xbutton.time;
if (mouse_mode==MOUSE_MODE_CAPTURED) {
event.xbutton.x=last_mouse_pos.x;
event.xbutton.y=last_mouse_pos.y;
}
InputEvent mouse_event;
mouse_event.ID=++event_id;
mouse_event.type = InputEvent::MOUSE_BUTTON;
mouse_event.device=0;
mouse_event.mouse_button.mod = get_key_modifier_state(event.xbutton.state);
mouse_event.mouse_button.button_mask = get_mouse_button_state(event.xbutton.state);
mouse_event.mouse_button.x=event.xbutton.x;
mouse_event.mouse_button.y=event.xbutton.y;
mouse_event.mouse_button.global_x=event.xbutton.x;
mouse_event.mouse_button.global_y=event.xbutton.y;
mouse_event.mouse_button.button_index=event.xbutton.button;
if (mouse_event.mouse_button.button_index==2)
mouse_event.mouse_button.button_index=3;
else if (mouse_event.mouse_button.button_index==3)
mouse_event.mouse_button.button_index=2;
mouse_event.mouse_button.pressed=(event.type==ButtonPress);
if (event.type==ButtonPress && event.xbutton.button==1) {
uint64_t diff = get_ticks_usec()/1000 - last_click_ms;
if (diff<400 && Point2(last_click_pos).distance_to(Point2(event.xbutton.x,event.xbutton.y))<5) {
last_click_ms=0;
last_click_pos = Point2(-100,-100);
mouse_event.mouse_button.doubleclick=true;
mouse_event.ID=++event_id;
} else {
last_click_ms+=diff;
last_click_pos = Point2(event.xbutton.x,event.xbutton.y);
}
}
input->parse_input_event( mouse_event);
} break;
case MotionNotify: {
// F**K YOU X11 API YOU SERIOUSLY GROSS ME OUT
// YOU ARE AS GROSS AS LOOKING AT A PUTRID PILE
// OF POOP STICKING OUT OF A CLOGGED TOILET
// HOW THE F**K I AM SUPPOSED TO KNOW WHICH ONE
// OF THE MOTION NOTIFY EVENTS IS THE ONE GENERATED
// BY WARPING THE MOUSE POINTER?
// YOU ARE FORCING ME TO FILTER ONE BY ONE TO FIND IT
// PLEASE DO ME A FAVOR AND DIE DROWNED IN A FECAL
// MOUNTAIN BECAUSE THAT'S WHERE YOU BELONG.
while(true) {
if (mouse_mode==MOUSE_MODE_CAPTURED && event.xmotion.x==current_videomode.width/2 && event.xmotion.y==current_videomode.height/2) {
//this is likely the warp event since it was warped here
center=Vector2(event.xmotion.x,event.xmotion.y);
break;
}
if (XPending(x11_display) > 0) {
XEvent tevent;
XPeekEvent(x11_display, &tevent);
if (tevent.type==MotionNotify) {
XNextEvent(x11_display,&event);
} else {
break;
}
} else {
break;
}
}
last_timestamp=event.xmotion.time;
// Motion is also simple.
// A little hack is in order
// to be able to send relative motion events.
Point2i pos( event.xmotion.x, event.xmotion.y );
if (mouse_mode==MOUSE_MODE_CAPTURED) {
#if 1
//Vector2 c = Point2i(current_videomode.width/2,current_videomode.height/2);
if (pos==Point2i(current_videomode.width/2,current_videomode.height/2)) {
//this sucks, it's a hack, etc and is a little inaccurate, etc.
//but nothing I can do, X11 sucks.
center=pos;
break;
}
Point2i new_center = pos;
pos = last_mouse_pos + ( pos - center );
center=new_center;
do_mouse_warp=true;
#else
//Dear X11, thanks for making my life miserable
center.x = current_videomode.width/2;
center.y = current_videomode.height/2;
pos = last_mouse_pos + ( pos-center );
if (pos==last_mouse_pos)
break;
XWarpPointer(x11_display, None, x11_window,
0,0,0,0, (int)center.x, (int)center.y);
#endif
}
if (!last_mouse_pos_valid) {
last_mouse_pos=pos;
last_mouse_pos_valid=true;
}
Point2i rel = pos - last_mouse_pos;
#ifdef NEW_WM_API
if (mouse_mode==MOUSE_MODE_CAPTURED) {
pos.x = current_videomode.width / 2;
pos.y = current_videomode.height / 2;
}
#endif
InputEvent motion_event;
motion_event.ID=++event_id;
motion_event.type=InputEvent::MOUSE_MOTION;
motion_event.device=0;
motion_event.mouse_motion.mod = get_key_modifier_state(event.xmotion.state);
motion_event.mouse_motion.button_mask = get_mouse_button_state(event.xmotion.state);
motion_event.mouse_motion.x=pos.x;
motion_event.mouse_motion.y=pos.y;
input->set_mouse_pos(pos);
motion_event.mouse_motion.global_x=pos.x;
motion_event.mouse_motion.global_y=pos.y;
motion_event.mouse_motion.speed_x=input->get_mouse_speed().x;
motion_event.mouse_motion.speed_y=input->get_mouse_speed().y;
motion_event.mouse_motion.relative_x=rel.x;
motion_event.mouse_motion.relative_y=rel.y;
last_mouse_pos=pos;
// printf("rel: %d,%d\n", rel.x, rel.y );
input->parse_input_event( motion_event);
} break;
case KeyPress:
case KeyRelease: {
last_timestamp=event.xkey.time;
// key event is a little complex, so
// it will be handled in it's own function.
handle_key_event( (XKeyEvent*)&event );
} break;
case SelectionRequest: {
XSelectionRequestEvent *req;
XEvent e, respond;
e = event;
req=&(e.xselectionrequest);
if (req->target == XA_STRING || req->target == XInternAtom(x11_display, "COMPOUND_TEXT", 0) ||
req->target == XInternAtom(x11_display, "UTF8_STRING", 0))
{
CharString clip = OS::get_clipboard().utf8();
XChangeProperty (x11_display,
req->requestor,
req->property,
req->target,
8,
PropModeReplace,
(unsigned char*)clip.get_data(),
clip.length());
respond.xselection.property=req->property;
} else if (req->target == XInternAtom(x11_display, "TARGETS", 0)) {
Atom data[2];
data[0] = XInternAtom(x11_display, "UTF8_STRING", 0);
data[1] = XA_STRING;
XChangeProperty (x11_display, req->requestor, req->property, req->target,
8, PropModeReplace, (unsigned char *) &data,
sizeof (data));
respond.xselection.property=req->property;
} else {
printf ("No String %x\n",
(int)req->target);
respond.xselection.property= None;
}
respond.xselection.type= SelectionNotify;
respond.xselection.display= req->display;
respond.xselection.requestor= req->requestor;
respond.xselection.selection=req->selection;
respond.xselection.target= req->target;
respond.xselection.time = req->time;
XSendEvent (x11_display, req->requestor,0,0,&respond);
XFlush (x11_display);
} break;
case ClientMessage:
if ((unsigned int)event.xclient.data.l[0]==(unsigned int)wm_delete)
main_loop->notification(MainLoop::NOTIFICATION_WM_QUIT_REQUEST);
break;
default:
break;
}
}
XFlush(x11_display);
if (do_mouse_warp) {
XWarpPointer(x11_display, None, x11_window,
0,0,0,0, (int)current_videomode.width/2, (int)current_videomode.height/2);
/*
Window root, child;
int root_x, root_y;
int win_x, win_y;
unsigned int mask;
XQueryPointer( x11_display, x11_window, &root, &child, &root_x, &root_y, &win_x, &win_y, &mask );
printf("Root: %d,%d\n", root_x, root_y);
printf("Win: %d,%d\n", win_x, win_y);
*/
}
}
void OS_X11::handle_key_event(XKeyEvent *p_event, bool p_echo) {
// X11 functions don't know what const is
XKeyEvent *xkeyevent = p_event;
// This code was pretty difficult to write.
// The docs stink and every toolkit seems to
// do it in a different way.
/* Phase 1, obtain a proper keysym */
// This was also very difficult to figure out.
// You'd expect you could just use Keysym provided by
// XKeycodeToKeysym to obtain internationalized
// input.. WRONG!!
// you must use XLookupString (???) which not only wastes
// cycles generating an unnecesary string, but also
// still works in half the cases. (won't handle deadkeys)
// For more complex input methods (deadkeys and more advanced)
// you have to use XmbLookupString (??).
// So.. then you have to chosse which of both results
// you want to keep.
// This is a real bizarreness and cpu waster.
KeySym keysym_keycode=0; // keysym used to find a keycode
KeySym keysym_unicode=0; // keysym used to find unicode
int nbytes=0; // bytes the string takes
// XLookupString returns keysyms usable as nice scancodes/
char str[256+1];
nbytes=XLookupString(xkeyevent, str, 256, &keysym_keycode, NULL);
// Meanwhile, XLookupString returns keysyms useful for unicode.
if (!xmbstring) {
// keep a temporary buffer for the string
xmbstring=(char*)memalloc(sizeof(char)*8);
xmblen=8;
}
if (xkeyevent->type == KeyPress && xic) {
Status status;
do {
int mnbytes = XmbLookupString (xic, xkeyevent, xmbstring, xmblen - 1, &keysym_unicode, &status);
xmbstring[mnbytes] = '\0';
if (status == XBufferOverflow) {
xmblen = mnbytes + 1;
xmbstring = (char*)memrealloc (xmbstring, xmblen);
}
} while (status == XBufferOverflow);
}
/* Phase 2, obtain a pigui keycode from the keysym */
// KeyMappingX11 just translated the X11 keysym to a PIGUI
// keysym, so it works in all platforms the same.
unsigned int keycode = KeyMappingX11::get_keycode(keysym_keycode);
/* Phase 3, obtain an unicode character from the keysym */
// KeyMappingX11 also translates keysym to unicode.
// It does a binary search on a table to translate
// most properly.
//print_line("keysym_unicode: "+rtos(keysym_unicode));
unsigned int unicode = keysym_unicode>0? KeyMappingX11::get_unicode_from_keysym(keysym_unicode):0;
/* Phase 4, determine if event must be filtered */
// This seems to be a side-effect of using XIM.
// XEventFilter looks like a core X11 funciton,
// but it's actually just used to see if we must
// ignore a deadkey, or events XIM determines
// must not reach the actual gui.
// Guess it was a design problem of the extension
bool keypress = xkeyevent->type == KeyPress;
if (xkeyevent->type == KeyPress && xic) {
if (XFilterEvent((XEvent*)xkeyevent, x11_window))
return;
}
if (keycode==0 && unicode==0)
return;
/* Phase 5, determine modifier mask */
// No problems here, except I had no way to
// know Mod1 was ALT and Mod4 was META (applekey/winkey)
// just tried Mods until i found them.
//print_line("mod1: "+itos(xkeyevent->state&Mod1Mask)+" mod 5: "+itos(xkeyevent->state&Mod5Mask));
InputModifierState state = get_key_modifier_state(xkeyevent->state);
/* Phase 6, determine echo character */
// Echo characters in X11 are a keyrelease and a keypress
// one after the other with the (almot) same timestamp.
// To detect them, i use XPeekEvent and check that their
// difference in time is below a treshold.
if (xkeyevent->type != KeyPress) {
// make sure there are events pending,
// so this call won't block.
if (XPending(x11_display)>0) {
XEvent peek_event;
XPeekEvent(x11_display, &peek_event);
// I'm using a treshold of 5 msecs,
// since sometimes there seems to be a little
// jitter. I'm still not convinced that all this approach
// is correct, but the xorg developers are
// not very helpful today.
::Time tresh=ABS(peek_event.xkey.time-xkeyevent->time);
if (peek_event.type == KeyPress && tresh<5 ) {
KeySym rk;
nbytes=XLookupString((XKeyEvent*)&peek_event, str, 256, &rk, NULL);
if (rk==keysym_keycode) {
XEvent event;
XNextEvent(x11_display, &event); //erase next event
handle_key_event( (XKeyEvent*)&event,true );
return; //ignore current, echo next
}
}
// use the time from peek_event so it always works
}
// save the time to check for echo when keypress happens
}
/* Phase 7, send event to Window */
InputEvent event;
event.ID=++event_id;
event.type = InputEvent::KEY;
event.device=0;
event.key.mod=state;
event.key.pressed=keypress;
if (keycode>='a' && keycode<='z')
keycode-='a'-'A';
event.key.scancode=keycode;
event.key.unicode=unicode;
event.key.echo=p_echo;
if (event.key.scancode==KEY_BACKTAB) {
//make it consistent accross platforms.
event.key.scancode=KEY_TAB;
event.key.mod.shift=true;
}
//printf("key: %x\n",event.key.scancode);
input->parse_input_event( event);
}
/**
* clutter_win32_handle_event:
* @msg: A pointer to a structure describing a Win32 message.
*
* This function processes a single Win32 message. It can be used to
* hook into external windows message processing (for example, a GDK
* filter function).
*
* If clutter_win32_disable_event_retrieval() has been called, you must
* let this function process events to update Clutter's internal state.
*
* Return value: %TRUE if the message was handled entirely by Clutter
* and no further processing (such as calling the default window
* procedure) should take place. %FALSE is returned if is the message
* was not handled at all or if Clutter expects processing to take
* place.
*
* Since: 1.6
*/
gboolean
clutter_win32_handle_event (const MSG *msg)
{
ClutterBackendWin32 *backend_win32;
ClutterStageWin32 *stage_win32;
ClutterDeviceManager *manager;
ClutterInputDevice *core_pointer, *core_keyboard;
ClutterStage *stage;
ClutterStageWindow *impl;
gboolean return_value = FALSE;
stage = clutter_win32_get_stage_from_window (msg->hwnd);
/* Ignore any messages for windows which we don't have a stage for */
if (stage == NULL)
return FALSE;
impl = _clutter_stage_get_window (stage);
stage_win32 = CLUTTER_STAGE_WIN32 (impl);
backend_win32 = stage_win32->backend;
manager = clutter_device_manager_get_default ();
core_pointer =
clutter_device_manager_get_core_device (manager, CLUTTER_POINTER_DEVICE);
core_keyboard =
clutter_device_manager_get_core_device (manager, CLUTTER_KEYBOARD_DEVICE);
switch (msg->message)
{
case WM_SIZE:
if (!stage_win32->is_foreign_win
/* Ignore size changes resulting from the stage being
minimized - otherwise the window size will be set to
0,0 */
&& msg->wParam != SIZE_MINIMIZED)
{
WORD new_width = LOWORD (msg->lParam);
WORD new_height = HIWORD (msg->lParam);
gfloat old_width, old_height;
clutter_actor_get_size (CLUTTER_ACTOR (stage),
&old_width, &old_height);
if (new_width != old_width || new_height != old_height)
clutter_actor_set_size (CLUTTER_ACTOR (stage),
new_width, new_height);
}
break;
case WM_SHOWWINDOW:
if (msg->wParam)
clutter_stage_win32_map (stage_win32);
else
clutter_stage_win32_unmap (stage_win32);
break;
case WM_ACTIVATE:
if (msg->wParam == WA_INACTIVE)
{
if (stage_win32->state & CLUTTER_STAGE_STATE_ACTIVATED)
{
ClutterEvent *event = clutter_event_new (CLUTTER_STAGE_STATE);
stage_win32->state &= ~CLUTTER_STAGE_STATE_ACTIVATED;
event->any.stage = stage;
event->stage_state.changed_mask = CLUTTER_STAGE_STATE_ACTIVATED;
event->stage_state.new_state = stage_win32->state;
take_and_queue_event (event);
}
}
else if (!(stage_win32->state & CLUTTER_STAGE_STATE_ACTIVATED))
{
ClutterEvent *event = clutter_event_new (CLUTTER_STAGE_STATE);
stage_win32->state |= CLUTTER_STAGE_STATE_ACTIVATED;
event->any.stage = stage;
event->stage_state.changed_mask = CLUTTER_STAGE_STATE_ACTIVATED;
event->stage_state.new_state = stage_win32->state;
take_and_queue_event (event);
}
break;
case WM_PAINT:
CLUTTER_NOTE (MULTISTAGE, "expose for stage:%p, redrawing", stage);
clutter_redraw (stage);
break;
case WM_DESTROY:
{
ClutterEvent *event = clutter_event_new (CLUTTER_DESTROY_NOTIFY);
CLUTTER_NOTE (EVENT, "WM_DESTROY");
event->any.stage = stage;
take_and_queue_event (event);
}
break;
case WM_CLOSE:
{
ClutterEvent *event = clutter_event_new (CLUTTER_DELETE);
CLUTTER_NOTE (EVENT, "WM_CLOSE");
event->any.stage = stage;
take_and_queue_event (event);
/* The default window proc will destroy the window so we want to
prevent this to allow applications to optionally destroy the
window themselves */
return_value = TRUE;
}
break;
case WM_LBUTTONDOWN:
make_button_event (msg, stage, 1, 1, FALSE, core_pointer);
break;
case WM_MBUTTONDOWN:
make_button_event (msg, stage, 2, 1, FALSE, core_pointer);
break;
case WM_RBUTTONDOWN:
make_button_event (msg, stage, 3, 1, FALSE, core_pointer);
break;
case WM_LBUTTONUP:
make_button_event (msg, stage, 1, 1, TRUE, core_pointer);
break;
case WM_MBUTTONUP:
make_button_event (msg, stage, 2, 1, TRUE, core_pointer);
break;
case WM_RBUTTONUP:
make_button_event (msg, stage, 3, 1, TRUE, core_pointer);
break;
case WM_LBUTTONDBLCLK:
make_button_event (msg, stage, 1, 2, FALSE, core_pointer);
break;
case WM_MBUTTONDBLCLK:
make_button_event (msg, stage, 2, 2, FALSE, core_pointer);
break;
case WM_RBUTTONDBLCLK:
make_button_event (msg, stage, 3, 2, FALSE, core_pointer);
break;
case WM_MOUSEWHEEL:
stage_win32->scroll_pos += (SHORT) HIWORD (msg->wParam);
while (abs (stage_win32->scroll_pos) >= WHEEL_DELTA)
{
ClutterEvent *event = clutter_event_new (CLUTTER_SCROLL);
POINT pt;
event->scroll.time = msg->time;
event->scroll.modifier_state =
get_modifier_state (LOWORD (msg->wParam));
event->any.stage = stage;
clutter_event_set_device (event, core_pointer);
/* conversion to window coordinates is required */
pt.x = GET_X_LPARAM (msg->lParam);
pt.y = GET_Y_LPARAM (msg->lParam);
ScreenToClient (msg->hwnd, &pt);
event->scroll.x = pt.x;
event->scroll.y = pt.y;
if (stage_win32->scroll_pos > 0)
{
event->scroll.direction = CLUTTER_SCROLL_UP;
stage_win32->scroll_pos -= WHEEL_DELTA;
}
else
{
event->scroll.direction = CLUTTER_SCROLL_DOWN;
stage_win32->scroll_pos += WHEEL_DELTA;
}
take_and_queue_event (event);
}
break;
case WM_MOUSEMOVE:
{
ClutterEvent *event = clutter_event_new (CLUTTER_MOTION);
event->motion.time = msg->time;
event->motion.x = GET_X_LPARAM (msg->lParam);
event->motion.y = GET_Y_LPARAM (msg->lParam);
event->motion.modifier_state = get_modifier_state (msg->wParam);
event->any.stage = stage;
clutter_event_set_device (event, core_pointer);
/* We need to start tracking when the mouse enters the stage if
we're not already */
if (!stage_win32->tracking_mouse)
{
ClutterEvent *crossing = clutter_event_new (CLUTTER_ENTER);
TRACKMOUSEEVENT tmevent;
tmevent.cbSize = sizeof (tmevent);
tmevent.dwFlags = TME_LEAVE;
tmevent.hwndTrack = stage_win32->hwnd;
TrackMouseEvent (&tmevent);
event->crossing.time = msg->time;
event->crossing.x = event->motion.x;
event->crossing.y = event->motion.y;
event->crossing.stage = stage;
event->crossing.source = CLUTTER_ACTOR (stage);
event->crossing.related = NULL;
clutter_event_set_device (event, core_pointer);
/* we entered the stage */
_clutter_stage_add_device (stage, event->crossing.device);
take_and_queue_event (crossing);
stage_win32->tracking_mouse = TRUE;
}
take_and_queue_event (event);
}
break;
case WM_MOUSELEAVE:
{
ClutterEvent *event = clutter_event_new (CLUTTER_LEAVE);
event->crossing.time = msg->time;
event->crossing.x = msg->pt.x;
event->crossing.y = msg->pt.y;
event->crossing.stage = stage;
event->crossing.source = CLUTTER_ACTOR (stage);
event->crossing.related = NULL;
clutter_event_set_device (event, core_pointer);
/* we left the stage */
_clutter_stage_remove_device (stage, core_pointer);
/* When we get a leave message the mouse tracking is
automatically cancelled so we'll need to start it again when
the mouse next enters the window */
stage_win32->tracking_mouse = FALSE;
take_and_queue_event (event);
}
break;
case WM_KEYDOWN:
case WM_KEYUP:
case WM_SYSKEYDOWN:
case WM_SYSKEYUP:
{
ClutterEvent *event = clutter_event_new (CLUTTER_EVENT_NONE);
int scan_code = (msg->lParam >> 16) & 0xff;
int min = 0, max = CLUTTER_WIN32_KEY_MAP_SIZE, mid;
BYTE key_states[256];
/* Get the keyboard modifier states. GetKeyboardState
conveniently gets the key state that was current when the
last keyboard message read was generated */
GetKeyboardState(key_states);
/* Binary chop to check if we have a direct mapping for this
key code */
while (min < max)
{
mid = (min + max) / 2;
if (clutter_win32_key_map[mid].win_sym == msg->wParam)
{
event->key.keyval = clutter_win32_key_map[mid].clutter_sym;
event->key.unicode_value = 0;
break;
}
else if (clutter_win32_key_map[mid].win_sym < msg->wParam)
min = mid + 1;
else
max = mid;
}
/* If we don't have a direct mapping then try getting the
unicode value of the key sym */
if (min >= max)
{
WCHAR ch;
BYTE shift_state[256];
/* Translate to a Unicode value, but only take into
account the shift key. That way Ctrl+Shift+C will
generate a capital C virtual key code with a zero
unicode value for example */
memset (shift_state, 0, 256);
shift_state[VK_SHIFT] = key_states[VK_SHIFT];
shift_state[VK_LSHIFT] = key_states[VK_LSHIFT];
shift_state[VK_RSHIFT] = key_states[VK_RSHIFT];
shift_state[VK_CAPITAL] = key_states[VK_CAPITAL];
if (ToUnicode (msg->wParam, scan_code,
shift_state, &ch, 1, 0) == 1
/* The codes in this range directly match the Latin 1
codes so we can just use the Unicode value as the
key sym */
&& ch >= 0x20 && ch <= 0xff)
event->key.keyval = ch;
else
/* Otherwise we don't know what the key means but the
application might be able to do something with the
scan code so we might as well still generate the
event */
event->key.keyval = CLUTTER_KEY_VoidSymbol;
/* Get the unicode value of the keypress again using the
full modifier state */
if (ToUnicode (msg->wParam, scan_code,
key_states, &ch, 1, 0) == 1)
event->key.unicode_value = ch;
else
event->key.unicode_value = 0;
}
event->key.type = msg->message == WM_KEYDOWN
|| msg->message == WM_SYSKEYDOWN
? CLUTTER_KEY_PRESS : CLUTTER_KEY_RELEASE;
event->key.time = msg->time;
event->key.modifier_state = get_key_modifier_state (key_states);
event->key.hardware_keycode = scan_code;
event->any.stage = stage;
clutter_event_set_device (event, core_keyboard);
take_and_queue_event (event);
}
break;
case WM_GETMINMAXINFO:
{
MINMAXINFO *min_max_info = (MINMAXINFO *) msg->lParam;
_clutter_stage_win32_get_min_max_info (stage_win32, min_max_info);
return_value = TRUE;
}
break;
case WM_SETCURSOR:
/* If the cursor is in the window's client area and the stage's
cursor should be invisible then we'll set a blank cursor
instead */
if (LOWORD (msg->lParam) == HTCLIENT && !stage_win32->is_cursor_visible)
{
return_value = TRUE;
_clutter_stage_win32_update_cursor (stage_win32);
}
break;
}
return return_value;
}