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kwin: Port Client::embedClient() to xcb

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This commit is contained in:
Fredrik Höglund 2012-03-28 16:50:44 +02:00
parent c679ec6508
commit 19aaf48a02
1 changed files with 56 additions and 38 deletions
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94
manage.cpp
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@ -617,48 +617,66 @@ void Client::embedClient(Window w, const XWindowAttributes& attr)
assert(wrapper == None); assert(wrapper == None);
client = w; client = w;
// We don't want the window to be destroyed when we are destroyed const xcb_visualid_t visualid = XVisualIDFromVisual(attr.visual);
XAddToSaveSet(display(), client); const uint32_t zero_value = 0;
XSelectInput(display(), client, NoEventMask);
XUnmapWindow(display(), client);
XWindowChanges wc; // Set the border width to 0
wc.border_width = 0; // TODO: Possibly save this, and also use it for initial configuring of the window
XConfigureWindow(display(), client, CWBorderWidth, &wc);
XSetWindowAttributes swa; xcb_connection_t *conn = connection();
swa.colormap = attr.colormap;
swa.background_pixmap = None; // We don't want the window to be destroyed when we quit
swa.border_pixel = 0; xcb_change_save_set(conn, XCB_SET_MODE_INSERT, client);
xcb_change_window_attributes(conn, client, XCB_CW_EVENT_MASK, &zero_value);
xcb_unmap_window(conn, client);
xcb_configure_window(conn, client, XCB_CONFIG_WINDOW_BORDER_WIDTH, &zero_value);
// Note: These values must match the order in the xcb_cw_t enum
const uint32_t cw_values[] = {
0, // back_pixmap
0, // border_pixel
attr.colormap, // colormap
QCursor(Qt::ArrowCursor).handle() // cursor
};
const uint32_t cw_mask = XCB_CW_BACK_PIXMAP | XCB_CW_BORDER_PIXEL |
XCB_CW_COLORMAP | XCB_CW_CURSOR;
const uint32_t common_event_mask = XCB_EVENT_MASK_KEY_PRESS | XCB_EVENT_MASK_KEY_RELEASE |
XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW |
XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE |
XCB_EVENT_MASK_BUTTON_MOTION | XCB_EVENT_MASK_POINTER_MOTION |
XCB_EVENT_MASK_KEYMAP_STATE |
XCB_EVENT_MASK_FOCUS_CHANGE |
XCB_EVENT_MASK_EXPOSURE |
XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
const uint32_t frame_event_mask = common_event_mask | XCB_EVENT_MASK_PROPERTY_CHANGE;
const uint32_t wrapper_event_mask = common_event_mask | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY;
const uint32_t client_event_mask = XCB_EVENT_MASK_FOCUS_CHANGE | XCB_EVENT_MASK_PROPERTY_CHANGE |
XCB_EVENT_MASK_COLOR_MAP_CHANGE |
XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW |
XCB_EVENT_MASK_KEY_PRESS | XCB_EVENT_MASK_KEY_RELEASE;
// Create the frame window
xcb_window_t frame = xcb_generate_id(conn);
xcb_create_window(conn, attr.depth, frame, rootWindow(), 0, 0, 1, 1, 0,
XCB_WINDOW_CLASS_INPUT_OUTPUT, visualid, cw_mask, cw_values);
Window frame = XCreateWindow(display(), rootWindow(), 0, 0, 1, 1, 0,
attr.depth, InputOutput, attr.visual, CWColormap | CWBackPixmap | CWBorderPixel, &swa);
setWindowHandles(client, frame); setWindowHandles(client, frame);
wrapper = XCreateWindow(display(), frame, 0, 0, 1, 1, 0,
attr.depth, InputOutput, attr.visual, CWColormap | CWBackPixmap | CWBorderPixel, &swa);
XDefineCursor(display(), frame, QCursor(Qt::ArrowCursor).handle()); // Create the wrapper window
// Some apps are stupid and don't define their own cursor - set the arrow one for them wrapper = xcb_generate_id(conn);
XDefineCursor(display(), wrapper, QCursor(Qt::ArrowCursor).handle()); xcb_create_window(conn, attr.depth, wrapper, frame, 0, 0, 1, 1, 0,
XReparentWindow(display(), client, wrapper, 0, 0); XCB_WINDOW_CLASS_INPUT_OUTPUT, visualid, cw_mask, cw_values);
XSelectInput(display(), frame,
KeyPressMask | KeyReleaseMask | xcb_reparent_window(conn, client, wrapper, 0, 0);
ButtonPressMask | ButtonReleaseMask |
KeymapStateMask | // We could specify the event masks when we create the windows, but the original
ButtonMotionMask | // Xlib code didn't. Let's preserve that behavior here for now so we don't end up
PointerMotionMask | // receiving any unexpected events from the wrapper creation or the reparenting.
EnterWindowMask | LeaveWindowMask | xcb_change_window_attributes(conn, frame, XCB_CW_EVENT_MASK, &frame_event_mask);
FocusChangeMask | xcb_change_window_attributes(conn, wrapper, XCB_CW_EVENT_MASK, &wrapper_event_mask);
ExposureMask | xcb_change_window_attributes(conn, client, XCB_CW_EVENT_MASK, &client_event_mask);
PropertyChangeMask |
StructureNotifyMask | SubstructureRedirectMask);
XSelectInput(display(), wrapper, ClientWinMask | SubstructureNotifyMask);
XSelectInput(display(), client,
FocusChangeMask |
PropertyChangeMask |
ColormapChangeMask |
EnterWindowMask | LeaveWindowMask |
KeyPressMask | KeyReleaseMask
);
updateMouseGrab(); updateMouseGrab();
} }