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-rw-r--r--exwm-core.el7
-rw-r--r--exwm-floating.el154
-rw-r--r--exwm-input.el154
-rw-r--r--exwm-layout.el157
-rw-r--r--exwm-manage.el140
-rw-r--r--exwm-randr.el14
-rw-r--r--exwm-workspace.el93
-rw-r--r--exwm.el5
8 files changed, 370 insertions, 354 deletions
diff --git a/exwm-core.el b/exwm-core.el
index 744c4ac69e20..61633c9775d5 100644
--- a/exwm-core.el
+++ b/exwm-core.el
@@ -38,6 +38,9 @@
   (when exwm-debug-on
     `(message (concat "[EXWM] " ,format-string) ,@args)))
 
+(defmacro exwm--debug (&rest forms)
+  (when exwm-debug-on `(progn ,@forms)))
+
 (defvar exwm--connection nil "X connection.")
 (defvar exwm--root nil "Root window.")
 (defvar exwm--id-buffer-alist nil "Alist of (<X window ID> . <Emacs buffer>).")
@@ -77,12 +80,12 @@
 
 ;; Internal variables
 (defvar-local exwm--id nil)                        ;window ID
+(defvar-local exwm--container nil)                 ;container
 (defvar-local exwm--frame nil)                     ;workspace frame
 (defvar-local exwm--floating-frame nil)            ;floating frame
-(defvar-local exwm--floating-edges nil)            ;four edges
 (defvar-local exwm--floating-mode-line-format nil) ;save mode-line-format
 (defvar-local exwm--fullscreen nil)                ;used in fullscreen
-(defvar-local exwm--floating-frame-geometry nil)   ;in fullscreen
+(defvar-local exwm--floating-frame-position nil)   ;used in fullscreen
 (defvar-local exwm--fixed-size nil)                ;fixed size
 (defvar-local exwm--on-KeyPress         ;KeyPress event handler
   #'exwm-input--on-KeyPress-line-mode)
diff --git a/exwm-floating.el b/exwm-floating.el
index a4c9b17c9852..88fa2077e733 100644
--- a/exwm-floating.el
+++ b/exwm-floating.el
@@ -65,7 +65,6 @@
                   exwm--frame)
               ;; Fallback to current workspace
               exwm-workspace--current)))
-         (original-id (frame-parameter original-frame 'exwm-window-id))
          ;; Create new frame
          (frame (with-current-buffer
                     (or (get-buffer "*scratch*")
@@ -73,18 +72,16 @@
                           (set-buffer-major-mode
                            (get-buffer-create "*scratch*"))
                           (get-buffer "*scratch*")))
-                  (prog2
-                      (exwm--lock)
-                      (make-frame
-                       `((minibuffer . nil) ;use the one on workspace
-                         (background-color . ,exwm-floating-border-color)
-                         (internal-border-width . ,exwm-floating-border-width)
-                         (left . 10000)
-                         (top . 10000)
-                         (unsplittable . t))) ;and fix the size later
-                    (exwm--unlock))))
-         (frame-id (string-to-number (frame-parameter frame 'window-id)))
+                  (make-frame
+                   `((minibuffer . nil) ;use the one on workspace
+                     (background-color . ,exwm-floating-border-color)
+                     (internal-border-width . ,exwm-floating-border-width)
+                     (left . 10000)
+                     (top . 10000)
+                     (unsplittable . t))))) ;and fix the size later
          (outer-id (string-to-number (frame-parameter frame 'outer-window-id)))
+         (container (with-current-buffer (exwm--id->buffer id)
+                          exwm--container))
          (window (frame-first-window frame)) ;and it's the only window
          (x (slot-value exwm--geometry 'x))
          (y (slot-value exwm--geometry 'y))
@@ -99,7 +96,6 @@
     (exwm--log "Floating geometry (original, relative): %dx%d%+d%+d"
                width height x y)
     ;; Save window IDs
-    (set-frame-parameter frame 'exwm-window-id frame-id)
     (set-frame-parameter frame 'exwm-outer-id outer-id)
     ;; Set urgency flag if it's not appear in the active workspace
     (let ((idx (cl-position original-frame exwm-workspace--list)))
@@ -152,36 +148,19 @@
             (setq x (/ (- display-width width) 2)
                   y (/ (- display-height height) 2))))))
     (exwm--log "Floating geometry (corrected): %dx%d%+d%+d" width height x y)
-    ;; Set event mask
-    (xcb:+request exwm--connection
-        (make-instance 'xcb:ChangeWindowAttributes
-                       :window frame-id :value-mask xcb:CW:EventMask
-                       :event-mask xcb:EventMask:SubstructureRedirect))
-    ;; Save the geometry
-    ;; Rationale: the frame will not be ready for some time, thus we cannot
-    ;;            infer the correct window size from its geometry.
-    (with-current-buffer (exwm--id->buffer id)
-      (setq exwm--floating-edges (vector x y (+ width x) (+ height y))))
     ;; Fit frame to client
     (exwm-floating--fit-frame-to-window outer-id width height)
-    ;; Reparent window to this frame
-    (xcb:+request exwm--connection
-        (make-instance 'xcb:ChangeWindowAttributes
-                       :window id :value-mask xcb:CW:EventMask
-                       :event-mask xcb:EventMask:NoEvent))
+    ;; Reparent this frame to the container
     (xcb:+request exwm--connection
         (make-instance 'xcb:ReparentWindow
-                       :window id :parent frame-id
-                       :x exwm-floating-border-width
-                       :y exwm-floating-border-width))
-    (xcb:+request exwm--connection
-        (make-instance 'xcb:ChangeWindowAttributes
-                       :window id :value-mask xcb:CW:EventMask
-                       :event-mask exwm--client-event-mask))
-    ;; Reparent this frame to the original one
+                       :window outer-id :parent container :x 0 :y 0))
+    ;; Place the container
     (xcb:+request exwm--connection
-        (make-instance 'xcb:ReparentWindow
-                       :window outer-id :parent original-id
+        (make-instance 'xcb:ConfigureWindow
+                       :window container
+                       :value-mask (eval-when-compile
+                                     (logior xcb:ConfigWindow:X
+                                             xcb:ConfigWindow:Y))
                        :x (- x exwm-floating-border-width)
                        :y (- y exwm-floating-border-width)))
     (xcb:flush exwm--connection)
@@ -192,7 +171,7 @@
             exwm--floating-frame frame)
       (set-window-buffer window (current-buffer)) ;this changes current buffer
       (set-window-dedicated-p window t))
-    (select-window window))
+    (select-frame-set-input-focus frame))
   (run-hooks 'exwm-floating-setup-hook))
 
 ;;;###autoload
@@ -200,25 +179,16 @@
   "Make window ID non-floating."
   (interactive)
   (let ((buffer (exwm--id->buffer id)))
-    ;; Reparent to workspace frame
-    (xcb:+request exwm--connection
-        (make-instance 'xcb:ChangeWindowAttributes
-                       :window id :value-mask xcb:CW:EventMask
-                       :event-mask xcb:EventMask:NoEvent))
-    (xcb:+request exwm--connection
-        (make-instance 'xcb:ReparentWindow
-                       :window id
-                       :parent (frame-parameter exwm-workspace--current
-                                                'exwm-window-id)
-                       :x 0 :y 0))      ;temporary position
-    (xcb:+request exwm--connection
-        (make-instance 'xcb:ChangeWindowAttributes
-                       :window id :value-mask xcb:CW:EventMask
-                       :event-mask exwm--client-event-mask))
+    (with-current-buffer buffer
+      (xcb:+request exwm--connection
+          (make-instance 'xcb:ReparentWindow
+                         :window exwm--container
+                         :parent (frame-parameter exwm-workspace--current
+                                                  'exwm-workspace)
+                         :x 0 :y 0)))   ;temporary position
     (xcb:flush exwm--connection)
     (with-current-buffer buffer
       (when exwm--floating-frame        ;from floating to non-floating
-        (setq exwm--floating-edges nil) ;invalid by now
         (set-window-dedicated-p (frame-first-window exwm--floating-frame) nil)
         (delete-frame exwm--floating-frame))) ;remove the floating frame
     (with-current-buffer buffer
@@ -260,13 +230,11 @@ are provided. You should call `xcb:flush' and restore the value of
                                                   'exwm-outer-id))
                      :value-mask (eval-when-compile
                                    (logior xcb:ConfigWindow:Width
-                                           xcb:ConfigWindow:Height
-                                           xcb:ConfigWindow:StackMode))
+                                           xcb:ConfigWindow:Height))
                      :width (+ width (* 2 exwm-floating-border-width))
                      :height (+ height (* 2 exwm-floating-border-width)
                                 (window-mode-line-height)
-                                (window-header-line-height))
-                     :stack-mode xcb:StackMode:Above))) ;top-most
+                                (window-header-line-height)))))
 
 (defun exwm-floating-hide-mode-line ()
   "Hide mode-line of a floating frame."
@@ -294,22 +262,23 @@ are provided. You should call `xcb:flush' and restore the value of
     (setq window-size-fixed exwm--fixed-size)))
 
 (defvar exwm-floating--moveresize-calculate nil
-  "Calculate move/resize parameters [frame-id event-mask x y width height].")
+  "Calculate move/resize parameters [buffer event-mask x y width height].")
 
 ;;;###autoload
 (defun exwm-floating--start-moveresize (id &optional type)
   "Start move/resize."
   (let ((buffer (exwm--id->buffer id))
-        frame frame-id x y width height cursor)
+        frame container x y width height cursor)
     (when (and buffer
-               (setq frame (with-current-buffer buffer exwm--floating-frame))
-               (setq frame-id (frame-parameter frame 'exwm-outer-id))
+               (with-current-buffer buffer
+                 (setq frame exwm--floating-frame
+                       container exwm--container))
                ;; Test if the pointer can be grabbed
                (= xcb:GrabStatus:Success
                   (slot-value
                    (xcb:+request-unchecked+reply exwm--connection
                        (make-instance 'xcb:GrabPointer
-                                      :owner-events 0 :grab-window frame-id
+                                      :owner-events 0 :grab-window container
                                       :event-mask xcb:EventMask:NoEvent
                                       :pointer-mode xcb:GrabMode:Async
                                       :keyboard-mode xcb:GrabMode:Async
@@ -317,11 +286,10 @@ are provided. You should call `xcb:flush' and restore the value of
                                       :cursor xcb:Cursor:None
                                       :time xcb:Time:CurrentTime))
                    'status)))
-      (setq exwm--floating-edges nil)   ;invalid by now
       (with-slots (root-x root-y win-x win-y)
           (xcb:+request-unchecked+reply exwm--connection
               (make-instance 'xcb:QueryPointer :window id))
-        (select-frame-set-input-focus frame) ;raise and focus it
+        (select-window (frame-first-window frame)) ;transfer input focus
         (setq width (frame-pixel-width frame)
               height (frame-pixel-height frame))
         (unless type
@@ -347,7 +315,7 @@ are provided. You should call `xcb:flush' and restore the value of
                  (setq cursor exwm-floating--cursor-move
                        exwm-floating--moveresize-calculate
                        `(lambda (x y)
-                          (vector ,frame-id
+                          (vector ,buffer
                                   ,(eval-when-compile
                                      (logior xcb:ConfigWindow:X
                                              xcb:ConfigWindow:Y))
@@ -356,7 +324,7 @@ are provided. You should call `xcb:flush' and restore the value of
                  (setq cursor exwm-floating--cursor-top-left
                        exwm-floating--moveresize-calculate
                        `(lambda (x y)
-                          (vector ,frame-id
+                          (vector ,buffer
                                   ,(eval-when-compile
                                      (logior xcb:ConfigWindow:X
                                              xcb:ConfigWindow:Y
@@ -369,7 +337,7 @@ are provided. You should call `xcb:flush' and restore the value of
                  (setq cursor exwm-floating--cursor-top
                        exwm-floating--moveresize-calculate
                        `(lambda (x y)
-                          (vector ,frame-id
+                          (vector ,buffer
                                   ,(eval-when-compile
                                      (logior xcb:ConfigWindow:Y
                                              xcb:ConfigWindow:Height))
@@ -378,7 +346,7 @@ are provided. You should call `xcb:flush' and restore the value of
                  (setq cursor exwm-floating--cursor-top-right
                        exwm-floating--moveresize-calculate
                        `(lambda (x y)
-                          (vector ,frame-id
+                          (vector ,buffer
                                   ,(eval-when-compile
                                      (logior xcb:ConfigWindow:Y
                                              xcb:ConfigWindow:Width
@@ -389,13 +357,13 @@ are provided. You should call `xcb:flush' and restore the value of
                  (setq cursor exwm-floating--cursor-right
                        exwm-floating--moveresize-calculate
                        `(lambda (x y)
-                          (vector ,frame-id ,xcb:ConfigWindow:Width
+                          (vector ,buffer ,xcb:ConfigWindow:Width
                                   0 0 (- x ,(- root-x width)) 0))))
                 ((= type xcb:ewmh:_NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT)
                  (setq cursor exwm-floating--cursor-bottom-right
                        exwm-floating--moveresize-calculate
                        `(lambda (x y)
-                          (vector ,frame-id
+                          (vector ,buffer
                                   ,(eval-when-compile
                                      (logior xcb:ConfigWindow:Width
                                              xcb:ConfigWindow:Height))
@@ -405,14 +373,14 @@ are provided. You should call `xcb:flush' and restore the value of
                  (setq cursor exwm-floating--cursor-bottom
                        exwm-floating--moveresize-calculate
                        `(lambda (x y)
-                          (vector ,frame-id
+                          (vector ,buffer
                                   ,xcb:ConfigWindow:Height
                                   0 0 0 (- y ,(- root-y height))))))
                 ((= type xcb:ewmh:_NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT)
                  (setq cursor exwm-floating--cursor-bottom-left
                        exwm-floating--moveresize-calculate
                        `(lambda (x y)
-                          (vector ,frame-id
+                          (vector ,buffer
                                   ,(eval-when-compile
                                      (logior xcb:ConfigWindow:X
                                              xcb:ConfigWindow:Width
@@ -425,7 +393,7 @@ are provided. You should call `xcb:flush' and restore the value of
                  (setq cursor exwm-floating--cursor-left
                        exwm-floating--moveresize-calculate
                        `(lambda (x y)
-                          (vector ,frame-id
+                          (vector ,buffer
                                   ,(eval-when-compile
                                      (logior xcb:ConfigWindow:X
                                              xcb:ConfigWindow:Width))
@@ -433,7 +401,7 @@ are provided. You should call `xcb:flush' and restore the value of
           ;; Select events and change cursor (should always succeed)
           (xcb:+request-unchecked+reply exwm--connection
               (make-instance 'xcb:GrabPointer
-                             :owner-events 0 :grab-window frame-id
+                             :owner-events 0 :grab-window container
                              :event-mask (eval-when-compile
                                            (logior xcb:EventMask:ButtonRelease
                                                    xcb:EventMask:ButtonMotion))
@@ -488,12 +456,26 @@ are provided. You should call `xcb:flush' and restore the value of
       (xcb:unmarshal obj data)
       (setq result (funcall exwm-floating--moveresize-calculate
                             (slot-value obj 'root-x) (slot-value obj 'root-y)))
-      (xcb:+request exwm--connection
-          (make-instance 'xcb:ConfigureWindow
-                         :window (elt result 0) :value-mask (elt result 1)
-                         :x (- (elt result 2) frame-x)
-                         :y (- (elt result 3) frame-y)
-                         :width (elt result 4) :height (elt result 5)))
+      (with-current-buffer (aref result 0)
+        (xcb:+request exwm--connection
+            (make-instance 'xcb:ConfigureWindow
+                           :window exwm--container
+                           :value-mask (logand (aref result 1)
+                                               (eval-when-compile
+                                                 (logior xcb:ConfigWindow:X
+                                                         xcb:ConfigWindow:Y)))
+                           :x (- (aref result 2) frame-x)
+                           :y (- (aref result 3) frame-y)))
+        (xcb:+request exwm--connection
+            (make-instance 'xcb:ConfigureWindow
+                           :window (frame-parameter exwm--floating-frame
+                                                    'exwm-outer-id)
+                           :value-mask
+                           (logand (aref result 1)
+                                   (eval-when-compile
+                                     (logior xcb:ConfigWindow:Width
+                                             xcb:ConfigWindow:Height)))
+                           :width (aref result 4) :height (aref result 5))))
       (xcb:flush exwm--connection))))
 
 (defun exwm-floating-move (&optional delta-x delta-y)
@@ -505,13 +487,13 @@ Both DELTA-X and DELTA-Y default to 1.  This command should be bound locally."
   (unless delta-x (setq delta-x 1))
   (unless delta-y (setq delta-y 1))
   (unless (and (= 0 delta-x) (= 0 delta-y))
-    (let* ((id (frame-parameter exwm--floating-frame 'exwm-outer-id))
-           (geometry (xcb:+request-unchecked+reply exwm--connection
-                         (make-instance 'xcb:GetGeometry :drawable id)))
+    (let* ((geometry (xcb:+request-unchecked+reply exwm--connection
+                         (make-instance 'xcb:GetGeometry
+                                        :drawable exwm--container)))
            (edges (window-inside-absolute-pixel-edges)))
       (xcb:+request exwm--connection
           (make-instance 'xcb:ConfigureWindow
-                         :window id
+                         :window exwm--container
                          :value-mask (eval-when-compile
                                        (logior xcb:ConfigWindow:X
                                                xcb:ConfigWindow:Y))
diff --git a/exwm-input.el b/exwm-input.el
index d399fbbd8f5a..a5899d5c4eda 100644
--- a/exwm-input.el
+++ b/exwm-input.el
@@ -79,8 +79,6 @@ It's updated in several occasions, and only used by `exwm-input--set-focus'.")
       (xcb:flush exwm--connection))))
 
 (defvar exwm-input--focus-window nil "The (Emacs) window to be focused.")
-(defvar exwm-input--redirected nil
-  "Indicate next update on buffer list is actually a result of redirection.")
 (defvar exwm-input--timer nil "Currently running timer.")
 
 (defun exwm-input--on-buffer-list-update ()
@@ -89,25 +87,12 @@ It's updated in several occasions, and only used by `exwm-input--set-focus'.")
         (window (selected-window))
         (buffer (current-buffer)))
     (when (and (not (minibufferp buffer))
-               (frame-parameter frame 'exwm-window-id) ;e.g. emacsclient frame
+               (frame-parameter frame 'exwm-outer-id) ;e.g. emacsclient frame
                (eq buffer (window-buffer))) ;e.g. `with-temp-buffer'
-      (unless (and exwm-input--redirected
-                   exwm-input--focus-window
-                   (with-current-buffer (window-buffer
-                                         exwm-input--focus-window)
-                     exwm--floating-frame))
-        (setq exwm-input--focus-window window)
-        (when exwm-input--timer (cancel-timer exwm-input--timer))
-        (setq exwm-input--timer
-              (run-with-idle-timer 0.01 nil #'exwm-input--update-focus)))
-      (setq exwm-input--redirected nil))))
-
-(defun exwm-input--on-focus-in ()
-  "Run in focus-in-hook to remove redirected focus on frame."
-  (let ((frame (selected-frame)))
-    (when (and (frame-parameter frame 'exwm-window-id)
-               (not (memq frame exwm-workspace--list)))
-      (setq exwm-input--redirected t))))
+      (when exwm-input--timer (cancel-timer exwm-input--timer))
+      (setq exwm-input--focus-window window
+            exwm-input--timer
+            (run-with-idle-timer 0.01 nil #'exwm-input--update-focus)))))
 
 (defun exwm-input--update-focus ()
   "Update input focus."
@@ -122,22 +107,56 @@ It's updated in several occasions, and only used by `exwm-input--set-focus'.")
                 (force-mode-line-update)
                 ;; The application may have changed its input focus
                 (exwm-workspace-switch exwm-workspace-current-index t))
-            (when exwm--floating-frame
-              (redirect-frame-focus exwm--floating-frame nil)
-              (select-frame-set-input-focus exwm--floating-frame t))
             (exwm--log "Set focus on #x%x" exwm--id)
-            (exwm-input--set-focus exwm--id))
+            (exwm-input--set-focus exwm--id)
+            ;; Adjust stacking orders
+            (if exwm--floating-frame
+                ;; Put this floating X window at top.
+                (xcb:+request exwm--connection
+                    (make-instance 'xcb:ConfigureWindow
+                                   :window exwm--container
+                                   :value-mask xcb:ConfigWindow:StackMode
+                                   :stack-mode xcb:StackMode:TopIf))
+              ;; This should be the last X window but one in the siblings.
+              (with-slots (children)
+                  (xcb:+request-unchecked+reply exwm--connection
+                      (make-instance 'xcb:QueryTree
+                                     :window
+                                     (frame-parameter exwm--frame
+                                                      'exwm-workspace)))
+                (unless (eq (cadr children) exwm--container)
+                  (xcb:+request exwm--connection
+                      (make-instance 'xcb:ConfigureWindow
+                                     :window exwm--container
+                                     :value-mask xcb:ConfigWindow:StackMode
+                                     :stack-mode xcb:StackMode:Below)))))
+            ;; Make sure Emacs frames are at bottom.
+            (xcb:+request exwm--connection
+                (make-instance 'xcb:ConfigureWindow
+                               :window (frame-parameter
+                                        (or exwm--floating-frame exwm--frame)
+                                        'exwm-outer-id)
+                               :value-mask xcb:ConfigWindow:StackMode
+                               :stack-mode xcb:StackMode:BottomIf))
+            (xcb:flush exwm--connection))
         (when (eq (selected-window) exwm-input--focus-window)
           (exwm--log "Focus on %s" exwm-input--focus-window)
           (select-frame-set-input-focus (window-frame exwm-input--focus-window)
                                         t)
-          (dolist (pair exwm--id-buffer-alist)
-            (with-current-buffer (cdr pair)
-              (when (and exwm--floating-frame
-                         (eq exwm--frame exwm-workspace--current))
-                (redirect-frame-focus exwm--floating-frame exwm--frame))))))
+          (xcb:+request exwm--connection
+              (make-instance 'xcb:ConfigureWindow
+                             :window (frame-parameter
+                                      (window-frame exwm-input--focus-window)
+                                      'exwm-outer-id)
+                             :value-mask xcb:ConfigWindow:StackMode
+                             :stack-mode xcb:StackMode:Below))
+          (xcb:flush exwm--connection)))
       (setq exwm-input--focus-window nil))))
 
+(defun exwm-input--on-minibuffer-setup ()
+  "Run in minibuffer-setup-hook to set input focus to the frame."
+  (x-focus-frame (selected-frame)))
+
 (defvar exwm-input--during-key-sequence nil
   "Non-nil indicates Emacs is waiting for more keys to form a key sequence.")
 (defvar exwm-input--temp-line-mode nil
@@ -221,32 +240,38 @@ It's updated in several occasions, and only used by `exwm-input--set-focus'.")
   "Update `exwm-input--global-prefix-keys'."
   (when exwm--connection
     (let ((original exwm-input--global-prefix-keys)
-          keysym keycode)
+          keysym keycode ungrab-key grab-key workspace)
       (setq exwm-input--global-prefix-keys nil)
       (dolist (i exwm-input--global-keys)
         (cl-pushnew (elt i 0) exwm-input--global-prefix-keys))
       (unless (equal original exwm-input--global-prefix-keys)
-        ;; Grab global keys on root window
-        (if (xcb:+request-checked+request-check exwm--connection
-                (make-instance 'xcb:UngrabKey
-                               :key xcb:Grab:Any :grab-window exwm--root
-                               :modifiers xcb:ModMask:Any))
-            (exwm--log "Failed to ungrab keys")
-          (dolist (i exwm-input--global-prefix-keys)
-            (setq keysym (xcb:keysyms:event->keysym exwm--connection i))
-            (when (or (not keysym)
-                      (not (setq keycode (xcb:keysyms:keysym->keycode
-                                          exwm--connection (car keysym))))
-                      (xcb:+request-checked+request-check exwm--connection
-                          (make-instance 'xcb:GrabKey
-                                         :owner-events 0
-                                         :grab-window exwm--root
-                                         :modifiers (cadr keysym)
-                                         :key keycode
-                                         :pointer-mode xcb:GrabMode:Async
-                                         :keyboard-mode xcb:GrabMode:Async)))
-              (user-error "[EXWM] Failed to grab key: %s"
-                          (single-key-description i)))))))))
+        (setq ungrab-key (make-instance 'xcb:UngrabKey
+                                        :key xcb:Grab:Any :grab-window nil
+                                        :modifiers xcb:ModMask:Any)
+              grab-key (make-instance 'xcb:GrabKey
+                                      :owner-events 0
+                                      :grab-window nil
+                                      :modifiers nil
+                                      :key nil
+                                      :pointer-mode xcb:GrabMode:Async
+                                      :keyboard-mode xcb:GrabMode:Async))
+        (dolist (w exwm-workspace--list)
+          (setq workspace (frame-parameter w 'exwm-workspace))
+          (setf (slot-value ungrab-key 'grab-window) workspace)
+          (if (xcb:+request-checked+request-check exwm--connection ungrab-key)
+              (exwm--log "Failed to ungrab keys")
+            (dolist (k exwm-input--global-prefix-keys)
+              (setq keysym (xcb:keysyms:event->keysym exwm--connection k)
+                    keycode (xcb:keysyms:keysym->keycode exwm--connection
+                                                         (car keysym)))
+              (setf (slot-value grab-key 'grab-window) workspace
+                    (slot-value grab-key 'modifiers) (cadr keysym)
+                    (slot-value grab-key 'key) keycode)
+              (when (or (not keycode)
+                        (xcb:+request-checked+request-check exwm--connection
+                            grab-key))
+                (user-error "[EXWM] Failed to grab key: %s"
+                            (single-key-description k))))))))))
 
 (defun exwm-input-set-key (key command)
   "Set a global key binding."
@@ -289,21 +314,6 @@ It's updated in several occasions, and only used by `exwm-input--set-focus'.")
   (with-slots (detail state) key-press
     (let ((keysym (xcb:keysyms:keycode->keysym exwm--connection detail state))
           event)
-      ;; Compensate FocusOut event (prevent cursor style change)
-      (unless (eq major-mode 'exwm-mode)
-        (let ((id (frame-parameter nil 'exwm-window-id)))
-          (xcb:+request exwm--connection
-              (make-instance 'xcb:SendEvent
-                             :propagate 0
-                             :destination id
-                             :event-mask xcb:EventMask:StructureNotify
-                             :event
-                             (xcb:marshal
-                              (make-instance 'xcb:FocusIn
-                                             :detail xcb:NotifyDetail:Inferior
-                                             :event id
-                                             :mode xcb:NotifyMode:Normal)
-                              exwm--connection)))))
       (when (and keysym
                  (setq event (xcb:keysyms:keysym->event exwm--connection
                                                         keysym state)))
@@ -324,7 +334,10 @@ It's updated in several occasions, and only used by `exwm-input--set-focus'.")
   (when id
     (when (xcb:+request-checked+request-check exwm--connection
               (make-instance 'xcb:GrabKey
-                             :owner-events 0 :grab-window id
+                             :owner-events 0
+                             :grab-window
+                             (with-current-buffer (exwm--id->buffer id)
+                               exwm--container)
                              :modifiers xcb:ModMask:Any
                              :key xcb:Grab:Any
                              :pointer-mode xcb:GrabMode:Async
@@ -338,7 +351,10 @@ It's updated in several occasions, and only used by `exwm-input--set-focus'.")
   (when id
     (when (xcb:+request-checked+request-check exwm--connection
               (make-instance 'xcb:UngrabKey
-                             :key xcb:Grab:Any :grab-window id
+                             :key xcb:Grab:Any
+                             :grab-window
+                             (with-current-buffer (exwm--id->buffer id)
+                               exwm--container)
                              :modifiers xcb:ModMask:Any))
       (exwm--log "Failed to release keyboard for #x%x" id))
     (setq exwm--on-KeyPress #'exwm-input--on-KeyPress-char-mode)))
@@ -487,7 +503,7 @@ SIMULATION-KEYS is a list of alist (key-sequence1 . key-sequence2)."
   (add-hook 'pre-command-hook #'exwm-input--finish-key-sequence)
   ;; Update focus when buffer list updates
   (add-hook 'buffer-list-update-hook #'exwm-input--on-buffer-list-update)
-  (add-hook 'focus-in-hook #'exwm-input--on-focus-in)
+  (add-hook 'minibuffer-setup-hook #'exwm-input--on-minibuffer-setup)
   ;; Update prefix keys for global keys
   (exwm-input--update-global-prefix-keys))
 
diff --git a/exwm-layout.el b/exwm-layout.el
index 2374823feabb..a290876bb35c 100644
--- a/exwm-layout.el
+++ b/exwm-layout.el
@@ -30,41 +30,72 @@
 
 (defvar exwm-floating-border-width)
 
+(defun exwm-layout--resize-container (id container x y width height
+                                         &optional container-only)
+  "Resize a container (and its content unless CONTAINER-ONLY is non-nil)."
+  (xcb:+request exwm--connection
+      (make-instance 'xcb:ConfigureWindow
+                     :window container
+                     :value-mask (eval-when-compile
+                                   (logior xcb:ConfigWindow:X
+                                           xcb:ConfigWindow:Y
+                                           xcb:ConfigWindow:Width
+                                           xcb:ConfigWindow:Height))
+                     :x x :y y :width width :height height))
+  (unless container-only
+    (xcb:+request exwm--connection
+        (make-instance 'xcb:ConfigureWindow
+                       :window id
+                       :value-mask (eval-when-compile
+                                     (logior xcb:ConfigWindow:Width
+                                             xcb:ConfigWindow:Height))
+                       :width width :height height))))
+
 ;;;###autoload
 (defun exwm-layout--show (id &optional window)
   "Show window ID exactly fit in the Emacs window WINDOW."
   (exwm--log "Show #x%x in %s" id window)
   (xcb:+request exwm--connection (make-instance 'xcb:MapWindow :window id))
+  (with-current-buffer (exwm--id->buffer id)
+    (xcb:+request exwm--connection
+        (make-instance 'xcb:MapWindow :window exwm--container)))
   (xcb:+request exwm--connection
       (make-instance 'xcb:icccm:set-WM_STATE
                      :window id :state xcb:icccm:WM_STATE:NormalState
                      :icon xcb:Window:None))
-  (let* ((buffer (exwm--id->buffer id))
-         (edges (or (and buffer
-                         (with-current-buffer buffer exwm--floating-edges))
-                    (window-inside-absolute-pixel-edges window)))
+  (let* ((edges (window-inside-absolute-pixel-edges window))
          (width (- (elt edges 2) (elt edges 0)))
-         (height (- (elt edges 3) (elt edges 1)))
-         x y)
-    (if exwm--floating-edges
-        ;; The relative position of a floating X window is determinate
-        (setq x exwm-floating-border-width
-              y exwm-floating-border-width)
-      (let ((relative-edges (window-inside-pixel-edges window)))
-        (setq x (elt relative-edges 0)
-              y (elt relative-edges 1))))
-    (xcb:+request exwm--connection
-        (make-instance 'xcb:ConfigureWindow
-                       :window id
-                       :value-mask (eval-when-compile
-                                     (logior xcb:ConfigWindow:X
-                                             xcb:ConfigWindow:Y
-                                             xcb:ConfigWindow:Width
-                                             xcb:ConfigWindow:Height
-                                             xcb:ConfigWindow:StackMode))
-                       :x x :y y :width width :height height
-                       ;; In order to put non-floating window at bottom
-                       :stack-mode xcb:StackMode:Below))
+         (height (- (elt edges 3) (elt edges 1))))
+    (with-current-buffer (exwm--id->buffer id)
+      (if exwm--floating-frame
+          ;; A floating X window is of the same size as the Emacs window,
+          ;; whereas its container is of the same size as the Emacs frame.
+          (progn
+            (xcb:+request exwm--connection
+                (make-instance 'xcb:ConfigureWindow
+                               :window exwm--container
+                               :value-mask (logior xcb:ConfigWindow:Width
+                                                   xcb:ConfigWindow:Height)
+                               :width (frame-pixel-width exwm--floating-frame)
+                               :height (frame-pixel-height
+                                        exwm--floating-frame)))
+            (xcb:+request exwm--connection
+                (make-instance 'xcb:ConfigureWindow
+                               :window exwm--id
+                               :value-mask (logior xcb:ConfigWindow:X
+                                                   xcb:ConfigWindow:Y
+                                                   xcb:ConfigWindow:Width
+                                                   xcb:ConfigWindow:Height)
+                               :x exwm-floating-border-width
+                               :y exwm-floating-border-width
+                               :width width
+                               :height height)))
+        (let ((relative-edges (window-inside-pixel-edges window)))
+          (exwm-layout--resize-container id exwm--container
+                                         (elt relative-edges 0)
+                                         (elt relative-edges 1)
+                                         width height
+                                         (active-minibuffer-window)))))
     (xcb:+request exwm--connection
         (make-instance 'xcb:SendEvent
                        :propagate 0 :destination id
@@ -96,6 +127,9 @@
         (make-instance 'xcb:ChangeWindowAttributes
                        :window id :value-mask xcb:CW:EventMask
                        :event-mask exwm--client-event-mask))
+    (with-current-buffer (exwm--id->buffer id)
+      (xcb:+request exwm--connection
+          (make-instance 'xcb:UnmapWindow :window exwm--container)))
     (xcb:+request exwm--connection
         (make-instance 'xcb:icccm:set-WM_STATE
                        :window id
@@ -112,38 +146,16 @@
       (user-error "Already in full-screen mode."))
     ;; Set the floating frame fullscreen first when the client is floating
     (when exwm--floating-frame
-      (let* ((outer-id (frame-parameter exwm--floating-frame 'exwm-outer-id))
-             (geometry (xcb:+request-unchecked+reply exwm--connection
+      (let* ((geometry (xcb:+request-unchecked+reply exwm--connection
                            (make-instance 'xcb:GetGeometry
-                                          :drawable outer-id))))
-        (setq exwm--floating-frame-geometry
-              (vector (slot-value geometry 'x) (slot-value geometry 'y)
-                      (slot-value geometry 'width)
-                      (slot-value geometry 'height)))
-        (xcb:+request exwm--connection
-            (make-instance 'xcb:ConfigureWindow
-                           :window outer-id
-                           :value-mask (eval-when-compile
-                                         (logior xcb:ConfigWindow:X
-                                                 xcb:ConfigWindow:Y
-                                                 xcb:ConfigWindow:Width
-                                                 xcb:ConfigWindow:Height))
-                           :x 0 :y 0
-                           :width (frame-pixel-width exwm-workspace--current)
-                           :height (frame-pixel-height
-                                    exwm-workspace--current))))
+                                          :drawable exwm--container))))
+        (setq exwm--floating-frame-position
+              (vector (slot-value geometry 'x) (slot-value geometry 'y))))
       (xcb:flush exwm--connection))
-    (xcb:+request exwm--connection
-        (make-instance 'xcb:ConfigureWindow
-                       :window exwm--id
-                       :value-mask (eval-when-compile
-                                     (logior xcb:ConfigWindow:X
-                                             xcb:ConfigWindow:Y
-                                             xcb:ConfigWindow:Width
-                                             xcb:ConfigWindow:Height))
-                       :x 0 :y 0
-                       :width (frame-pixel-width exwm-workspace--current)
-                       :height (frame-pixel-height exwm-workspace--current)))
+    (exwm-layout--resize-container exwm--id exwm--container 0 0
+                                   (frame-pixel-width exwm-workspace--current)
+                                   (frame-pixel-height
+                                    exwm-workspace--current))
     (xcb:+request exwm--connection
         (make-instance 'xcb:ewmh:set-_NET_WM_STATE
                        :window exwm--id
@@ -162,17 +174,12 @@
     (when exwm--floating-frame
       (xcb:+request exwm--connection
           (make-instance 'xcb:ConfigureWindow
-                         :window (frame-parameter exwm--floating-frame
-                                                  'exwm-outer-id)
+                         :window exwm--container
                          :value-mask (eval-when-compile
                                        (logior xcb:ConfigWindow:X
-                                               xcb:ConfigWindow:Y
-                                               xcb:ConfigWindow:Width
-                                               xcb:ConfigWindow:Height))
-                         :x (elt exwm--floating-frame-geometry 0)
-                         :y (elt exwm--floating-frame-geometry 1)
-                         :width (elt exwm--floating-frame-geometry 2)
-                         :height (elt exwm--floating-frame-geometry 3))))
+                                               xcb:ConfigWindow:Y))
+                         :x (elt exwm--floating-frame-position 0)
+                         :y (elt exwm--floating-frame-position 1))))
     (exwm-layout--show exwm--id)
     (xcb:+request exwm--connection
         (make-instance 'xcb:ewmh:set-_NET_WM_STATE :window exwm--id :data []))
@@ -193,19 +200,10 @@
                       (make-instance 'xcb:RECTANGLE :x 0 :y 0
                                      :width (x-display-pixel-width)
                                      :height (x-display-pixel-height))))
-        (id (frame-parameter frame 'exwm-outer-id)))
+        (id (frame-parameter frame 'exwm-outer-id))
+        (workspace (frame-parameter frame 'exwm-workspace)))
     (with-slots (x y width height) geometry
-      (xcb:+request exwm--connection
-          (make-instance 'xcb:ConfigureWindow
-                         :window id
-                         :value-mask (eval-when-compile
-                                       (logior xcb:ConfigWindow:X
-                                               xcb:ConfigWindow:Y
-                                               xcb:ConfigWindow:Width
-                                               xcb:ConfigWindow:Height))
-                         :x x :y y
-                         :width width
-                         :height height))
+      (exwm-layout--resize-container id workspace x y width height)
       (xcb:flush exwm--connection))))
 
 (defvar exwm-layout-show-all-buffers nil
@@ -221,7 +219,7 @@
                            (get-buffer "*scratch*"))))
         windows)
     (if (not (memq frame exwm-workspace--list))
-        (if (frame-parameter frame 'exwm-window-id)
+        (if (frame-parameter frame 'exwm-outer-id)
             ;; Refresh a floating frame
             (when (eq major-mode 'exwm-mode)
               (let ((window (frame-first-window frame)))
@@ -230,9 +228,6 @@
                   (exwm-layout--show exwm--id window))))
           ;; Other frames (e.g. terminal/graphical frame of emacsclient)
           ;; We shall bury all `exwm-mode' buffers in this case
-          (unless placeholder ;create the *scratch* buffer if it's killed
-            (setq placeholder (get-buffer-create "*scratch*"))
-            (set-buffer-major-mode placeholder))
           (setq windows (window-list frame 0)) ;exclude minibuffer
           (dolist (window windows)
             (with-current-buffer (window-buffer window)
@@ -329,7 +324,6 @@ windows."
             (setq width (max (+ exwm--normal-hints-min-width margin)
                              (+ width delta))))))
       (when width
-        (setq exwm--floating-edges nil) ;invalid from now on
         (xcb:+request exwm--connection
             (make-instance 'xcb:ConfigureWindow
                            :window (frame-parameter exwm--floating-frame
@@ -356,7 +350,6 @@ windows."
             (setq height (max (+ exwm--normal-hints-min-height margin)
                               (+ height delta))))))
       (when height
-        (setq exwm--floating-edges nil) ;invalid from now on
         (xcb:+request exwm--connection
             (make-instance 'xcb:ConfigureWindow
                            :window (frame-parameter exwm--floating-frame
diff --git a/exwm-manage.el b/exwm-manage.el
index e5a717932cdc..2f35b1475f9a 100644
--- a/exwm-manage.el
+++ b/exwm-manage.el
@@ -120,7 +120,7 @@ corresponding buffer.")
                 (make-instance 'xcb:ReparentWindow
                                :window id
                                :parent (frame-parameter exwm-workspace--current
-                                                        'exwm-window-id)
+                                                        'exwm-workspace)
                                :x x :y y)))
           ;; Center window of type _NET_WM_WINDOW_TYPE_SPLASH
           (when (memq xcb:Atom:_NET_WM_WINDOW_TYPE_SPLASH exwm-window-type)
@@ -145,10 +145,34 @@ corresponding buffer.")
         (throw 'return 'ignored))
       ;; Manage the window
       (exwm--log "Manage #x%x" id)
+      ;; Create a new container as the parent of this X window
+      (setq exwm--container (xcb:generate-id exwm--connection))
+      (xcb:+request exwm--connection
+          (make-instance 'xcb:CreateWindow
+                         :depth 0 :wid exwm--container
+                         :parent (frame-parameter exwm-workspace--current
+                                                  'exwm-workspace)
+                         :x 0 :y 0 :width 1 :height 1 :border-width 0
+                         :class xcb:WindowClass:CopyFromParent
+                         :visual 0      ;CopyFromParent
+                         :value-mask (logior xcb:CW:OverrideRedirect
+                                             xcb:CW:EventMask)
+                         :override-redirect 1
+                         :event-mask xcb:EventMask:SubstructureRedirect))
+      (exwm--debug
+       (xcb:+request exwm--connection
+           (make-instance 'xcb:ewmh:set-_NET_WM_NAME
+                          :window exwm--container
+                          :data (format "EXWM container for 0x%x" id))))
+      (xcb:+request exwm--connection
+          (make-instance 'xcb:ReparentWindow
+                         :window id :parent exwm--container :x 0 :y 0))
       (xcb:+request exwm--connection    ;remove border
           (make-instance 'xcb:ConfigureWindow
                          :window id :value-mask xcb:ConfigWindow:BorderWidth
                          :border-width 0))
+      ;; (xcb:+request exwm--connection    ;map the window
+      ;;     (make-instance 'xcb:MapWindow :window id))
       (dolist (button       ;grab buttons to set focus / move / resize
                (list xcb:ButtonIndex:1 xcb:ButtonIndex:2 xcb:ButtonIndex:3))
         (xcb:+request-checked+request-check exwm--connection
@@ -190,9 +214,8 @@ corresponding buffer.")
     (xcb:flush exwm--connection)
     (when (buffer-live-p buffer)
       (with-current-buffer buffer
-        (when exwm--floating-frame
-          (make-frame-invisible exwm--floating-frame)
-          (redisplay))
+        (xcb:+request exwm--connection
+            (make-instance 'xcb:UnmapWindow :window exwm--container))
         (setq exwm-workspace--switch-history-outdated t)
         ;;
         (when withdraw-only
@@ -207,9 +230,7 @@ corresponding buffer.")
               (setq geometry-parent
                     (xcb:+request-unchecked+reply exwm--connection
                         (make-instance 'xcb:GetGeometry
-                                       :drawable
-                                       (frame-parameter exwm--floating-frame
-                                                        'exwm-outer-id)))
+                                       :drawable exwm--container))
                     geometry (xcb:+request-unchecked+reply exwm--connection
                                  (make-instance 'xcb:GetGeometry
                                                 :drawable id)))
@@ -227,6 +248,13 @@ corresponding buffer.")
               (make-instance 'xcb:DeleteProperty
                              :window id :property xcb:Atom:WM_STATE))
           (xcb:flush exwm--connection))
+        ;; Destroy the container (it seems it has to be delayed).
+        (run-with-idle-timer 0 nil
+                             `(lambda ()
+                                (xcb:+request exwm--connection
+                                    ,(make-instance 'xcb:DestroyWindow
+                                                    :window exwm--container))
+                                (xcb:flush exwm--connection)))
         (let ((kill-buffer-query-functions nil)
               (floating exwm--floating-frame))
           (kill-buffer)
@@ -252,55 +280,62 @@ corresponding buffer.")
 ;;;###autoload
 (defun exwm-manage--close-window (id &optional buffer)
   "Close window ID in a proper way."
-  (catch 'return
-    (unless (exwm--id->buffer id)
-      (throw 'return t))
-    (unless buffer (setq buffer (exwm--id->buffer id)))
-    ;; Destroy the client window if it does not support WM_DELETE_WINDOW
-    (unless (and (buffer-live-p buffer)
-                 (with-current-buffer buffer
-                   (memq xcb:Atom:WM_DELETE_WINDOW exwm--protocols)))
-      (xcb:+request exwm--connection
-          (make-instance 'xcb:DestroyWindow :window id))
-      (xcb:flush exwm--connection)
-      (throw 'return nil))
-    ;; Try to close the window with WM_DELETE_WINDOW client message
-    (xcb:+request exwm--connection
-        (make-instance 'xcb:icccm:SendEvent
-                       :destination id
-                       :event (xcb:marshal
-                               (make-instance 'xcb:icccm:WM_DELETE_WINDOW
-                                              :window id)
-                               exwm--connection)))
-    (xcb:flush exwm--connection)
-    ;; Try to determine if the client stop responding
-    (with-current-buffer buffer
-      (unless (memq xcb:Atom:_NET_WM_PING exwm--protocols)
-        ;; Ensure it's dead
-        (run-with-timer exwm-manage-ping-timeout nil
-                        `(lambda () (exwm-manage--kill-client ,id)))
+  (let (container)
+    (catch 'return
+      (unless (exwm--id->buffer id)
+        (throw 'return t))
+      (unless buffer (setq buffer (exwm--id->buffer id)))
+      (when (buffer-live-p buffer)
+        (setq container exwm--container))
+      ;; Destroy the client window if it does not support WM_DELETE_WINDOW
+      (unless (and (buffer-live-p buffer)
+                   (with-current-buffer buffer
+                     (memq xcb:Atom:WM_DELETE_WINDOW exwm--protocols)))
+        (xcb:+request exwm--connection
+            (make-instance 'xcb:DestroyWindow :window id))
+        (xcb:flush exwm--connection)
         (throw 'return nil))
-      (setq exwm-manage--ping-lock t)
+      ;; Try to close the window with WM_DELETE_WINDOW client message
       (xcb:+request exwm--connection
-          (make-instance 'xcb:SendEvent
-                         :propagate 0 :destination id
-                         :event-mask xcb:EventMask:NoEvent
+          (make-instance 'xcb:icccm:SendEvent
+                         :destination id
                          :event (xcb:marshal
-                                 (make-instance 'xcb:ewmh:_NET_WM_PING
-                                                :window id :timestamp 0
-                                                :client-window id)
+                                 (make-instance 'xcb:icccm:WM_DELETE_WINDOW
+                                                :window id)
                                  exwm--connection)))
       (xcb:flush exwm--connection)
-      (with-timeout (exwm-manage-ping-timeout
-                     (if (yes-or-no-p (format "`%s' is not responding. \
+      ;; Try to determine if the client stop responding
+      (with-current-buffer buffer
+        (unless (memq xcb:Atom:_NET_WM_PING exwm--protocols)
+          ;; Ensure it's dead
+          (run-with-timer exwm-manage-ping-timeout nil
+                          `(lambda () (exwm-manage--kill-client ,id)))
+          (throw 'return nil))
+        (setq exwm-manage--ping-lock t)
+        (xcb:+request exwm--connection
+            (make-instance 'xcb:SendEvent
+                           :propagate 0 :destination id
+                           :event-mask xcb:EventMask:NoEvent
+                           :event (xcb:marshal
+                                   (make-instance 'xcb:ewmh:_NET_WM_PING
+                                                  :window id :timestamp 0
+                                                  :client-window id)
+                                   exwm--connection)))
+        (xcb:flush exwm--connection)
+        (with-timeout (exwm-manage-ping-timeout
+                       (if (yes-or-no-p (format "`%s' is not responding. \
 Would you like to kill it? "
-                                              (buffer-name buffer)))
-                         (progn (exwm-manage--kill-client id)
-                                (throw 'return nil))
-                       (throw 'return nil)))
-        (while (and exwm-manage--ping-lock
-                    (exwm--id->buffer id)) ;may have been destroyed
-          (accept-process-output nil 0.1))))))
+                                                (buffer-name buffer)))
+                           (progn (exwm-manage--kill-client id)
+                                  (throw 'return nil))
+                         (throw 'return nil)))
+          (while (and exwm-manage--ping-lock
+                      (exwm--id->buffer id)) ;may have been destroyed
+            (accept-process-output nil 0.1)))))
+    ;; Finally destroy the container
+    (xcb:+request exwm--connection
+        (make-instance 'xcb:DestroyWindow :window container))
+    (xcb:flush exwm--connection)))
 
 (defun exwm-manage--kill-client (&optional id)
   "Kill an X client."
@@ -338,9 +373,8 @@ Would you like to kill it? "
                       (list 0 0
                             (frame-pixel-width exwm-workspace--current)
                             (frame-pixel-height exwm-workspace--current))
-                    (or exwm--floating-edges
-                        (window-inside-absolute-pixel-edges
-                         (get-buffer-window buffer t)))))
+                    (window-inside-absolute-pixel-edges
+                     (get-buffer-window buffer t))))
             (exwm--log "Reply with ConfigureNotify (edges): %s" edges)
             (xcb:+request exwm--connection
                 (make-instance 'xcb:SendEvent
diff --git a/exwm-randr.el b/exwm-randr.el
index 8c8f94d93b5a..3ed64ed28518 100644
--- a/exwm-randr.el
+++ b/exwm-randr.el
@@ -48,6 +48,7 @@
 
 (require 'xcb-randr)
 (require 'exwm-core)
+(require 'exwm-layout)
 (eval-when-compile (require 'exwm-workspace))
 
 (defvar exwm-randr-workspace-output-plist nil)
@@ -93,15 +94,10 @@
         (set-frame-parameter frame 'exwm-randr-output output)
         (set-frame-parameter frame 'exwm-geometry geometry)
         (with-slots (x y width height) geometry
-          (xcb:+request exwm--connection
-              (make-instance 'xcb:ConfigureWindow
-                             :window (frame-parameter frame 'exwm-outer-id)
-                             :value-mask (eval-when-compile
-                                           (logior xcb:ConfigWindow:X
-                                                   xcb:ConfigWindow:Y
-                                                   xcb:ConfigWindow:Width
-                                                   xcb:ConfigWindow:Height))
-                             :x x :y y :width width :height height))
+          (exwm-layout--resize-container (frame-parameter frame 'exwm-outer-id)
+                                         (frame-parameter frame
+                                                          'exwm-workspace)
+                                         x y width height)
           (setq workareas (nconc workareas (list x y width height))
                 viewports (nconc viewports (list x y))))))
     ;; Update _NET_WORKAREA
diff --git a/exwm-workspace.el b/exwm-workspace.el
index 8510059a0836..8bdcc6345029 100644
--- a/exwm-workspace.el
+++ b/exwm-workspace.el
@@ -122,22 +122,16 @@ The optional FORCE option is for internal use only."
     (unless (and (<= 0 index) (< index exwm-workspace-number))
       (user-error "[EXWM] Workspace index out of range: %d" index))
     (when (or force (/= exwm-workspace-current-index index))
-      (let ((frame (elt exwm-workspace--list index)))
+      (let* ((frame (elt exwm-workspace--list index))
+             (workspace (frame-parameter frame 'exwm-workspace)))
+        (xcb:+request exwm--connection
+            (make-instance 'xcb:ConfigureWindow
+                           :window workspace
+                           :value-mask xcb:ConfigWindow:StackMode
+                           :stack-mode xcb:StackMode:Above))
         (setq exwm-workspace--current frame
               exwm-workspace-current-index index)
-        (select-frame-set-input-focus frame)
-        ;; Move mouse when necessary
-        (let ((position (mouse-pixel-position))
-              x y w h)
-          (unless (eq frame (car position))
-            (setq x (cadr position)
-                  y (cddr position)
-                  w (frame-pixel-width frame)
-                  h (frame-pixel-height frame))
-            (when (or (> x w) (> y h))
-              (setq x (/ w 2)
-                    y (/ h 2)))
-            (set-mouse-pixel-position frame x y)))
+        (select-window (frame-selected-window frame))
         ;; Close the (possible) active minibuffer
         (when (active-minibuffer-window)
           (run-with-idle-timer 0 nil (lambda () (abort-recursive-edit))))
@@ -161,16 +155,6 @@ The optional FORCE option is for internal use only."
                            :window exwm--root :data index))
         (xcb:flush exwm--connection)))))
 
-(defun exwm-workspace--on-focus-in ()
-  "Fix unexpected frame switch."
-  ;; `focus-in-hook' is run by `handle-switch-frame'
-  (unless (eq this-command 'handle-switch-frame)
-    (let ((index (cl-position (selected-frame) exwm-workspace--list)))
-      (exwm--log "Focus on workspace %s" index)
-      (when (and index (/= index exwm-workspace-current-index))
-        (exwm--log "Workspace was switched unexpectedly")
-        (exwm-workspace-switch index)))))
-
 ;;;###autoload
 (defun exwm-workspace-move-window (index &optional id)
   "Move window ID to workspace INDEX."
@@ -204,10 +188,9 @@ The optional FORCE option is for internal use only."
             (progn
               (xcb:+request exwm--connection
                   (make-instance 'xcb:ReparentWindow
-                                 :window (frame-parameter exwm--floating-frame
-                                                          'exwm-outer-id)
-                                 :parent (frame-parameter frame
-                                                          'exwm-window-id)
+                                 :window exwm--container
+                                 :parent
+                                 (frame-parameter frame 'exwm-workspace)
                                  :x 0 :y 0))
               (xcb:flush exwm--connection))
           ;; Move the window itself
@@ -222,8 +205,10 @@ The optional FORCE option is for internal use only."
           (exwm-layout--hide id)
           (xcb:+request exwm--connection
               (make-instance 'xcb:ReparentWindow
-                             :window id
-                             :parent (frame-parameter frame 'exwm-window-id)
+                             ;; (current-buffer) is changed.
+                             :window (with-current-buffer (exwm--id->buffer id)
+                                       exwm--container)
+                             :parent (frame-parameter frame 'exwm-workspace)
                              :x 0 :y 0))
           (xcb:flush exwm--connection)
           (set-window-buffer (frame-selected-window frame)
@@ -303,50 +288,58 @@ The optional FORCE option is for internal use only."
     (set-frame-parameter (car exwm-workspace--list) 'client nil))
   ;; Create remaining frames
   (dotimes (_ (1- exwm-workspace-number))
-    (nconc exwm-workspace--list
-           (list (make-frame '((window-system . x)
-                               (visibility . nil))))))
+    (nconc exwm-workspace--list (list (make-frame '((window-system . x))))))
   ;; Configure workspaces
   (dolist (i exwm-workspace--list)
-    (let ((window-id (string-to-number (frame-parameter i 'window-id)))
-          (outer-id (string-to-number (frame-parameter i 'outer-window-id))))
+    (let ((outer-id (string-to-number (frame-parameter i 'outer-window-id)))
+          (workspace (xcb:generate-id exwm--connection)))
       ;; Save window IDs
-      (set-frame-parameter i 'exwm-window-id window-id)
       (set-frame-parameter i 'exwm-outer-id outer-id)
+      (set-frame-parameter i 'exwm-workspace workspace)
       ;; Set OverrideRedirect on all frames
       (xcb:+request exwm--connection
           (make-instance 'xcb:ChangeWindowAttributes
                          :window outer-id :value-mask xcb:CW:OverrideRedirect
                          :override-redirect 1))
-      ;; Select events on all virtual roots
       (xcb:+request exwm--connection
-          (make-instance 'xcb:ChangeWindowAttributes
-                         :window window-id :value-mask xcb:CW:EventMask
-                         :event-mask xcb:EventMask:SubstructureRedirect))))
+          (make-instance 'xcb:CreateWindow
+                         :depth 0 :wid workspace :parent exwm--root
+                         :x 0 :y 0
+                         :width (x-display-pixel-width)
+                         :height (x-display-pixel-height)
+                         :border-width 0 :class xcb:WindowClass:CopyFromParent
+                         :visual 0      ;CopyFromParent
+                         :value-mask (logior xcb:CW:OverrideRedirect
+                                             xcb:CW:EventMask)
+                         :override-redirect 1
+                         :event-mask xcb:EventMask:SubstructureRedirect))
+      (exwm--debug
+       (xcb:+request exwm--connection
+           (make-instance 'xcb:ewmh:set-_NET_WM_NAME
+                          :window workspace
+                          :data
+                          (format "EXWM workspace %d"
+                                  (cl-position i exwm-workspace--list)))))
+      (xcb:+request exwm--connection
+          (make-instance 'xcb:ReparentWindow
+                         :window outer-id :parent workspace :x 0 :y 0))
+      (xcb:+request exwm--connection
+          (make-instance 'xcb:MapWindow :window workspace))))
   (xcb:flush exwm--connection)
   ;; We have to advice `x-create-frame' or every call to it would hang EXWM
   (advice-add 'x-create-frame :around #'exwm-workspace--x-create-frame)
-  ;; We have to delay making the frame visible until the
-  ;; override-redirect flag has been set.
-  (select-frame-set-input-focus (car exwm-workspace--list))
-  (dolist (i exwm-workspace--list)
-    (set-frame-parameter i 'visibility t)
-    (lower-frame i))
   ;; Delay making the workspaces fullscreen until Emacs becomes idle
   (run-with-idle-timer 0 nil
                        (lambda ()
                          (dolist (i exwm-workspace--list)
                            (set-frame-parameter i 'fullscreen 'fullboth))))
-  (raise-frame (car exwm-workspace--list))
-  ;; Handle unexpected frame switch
-  (add-hook 'focus-in-hook #'exwm-workspace--on-focus-in)
   ;; Set _NET_VIRTUAL_ROOTS
   (xcb:+request exwm--connection
       (make-instance 'xcb:ewmh:set-_NET_VIRTUAL_ROOTS
                      :window exwm--root
                      :data (vconcat (mapcar
                                      (lambda (i)
-                                       (frame-parameter i 'exwm-window-id))
+                                       (frame-parameter i 'exwm-workspace))
                                      exwm-workspace--list))))
   ;; Switch to the first workspace
   (exwm-workspace-switch 0 t))
diff --git a/exwm.el b/exwm.el
index 719ec8957895..02d4d9cbe26d 100644
--- a/exwm.el
+++ b/exwm.el
@@ -501,8 +501,7 @@
                  (setq exwm--connection nil)
                  (exwm--log "Other window manager detected"))
         ;; Disable some features not working well with EXWM
-        (setq use-dialog-box nil
-              display-hourglass nil)
+        (setq use-dialog-box nil)
         ;; Initialize ICCCM/EWMH support
         ;; (xcb:icccm:init exwm--connection)
         (xcb:ewmh:init exwm--connection)
@@ -511,9 +510,9 @@
         (exwm-layout--init)
         (exwm-floating--init)
         (exwm-manage--init)
+        (exwm-workspace--init)
         (exwm-input--init)
         (exwm--unlock)
-        (exwm-workspace--init)
         ;; Manage existing windows
         (exwm-manage--scan)
         (run-hooks 'exwm-init-hook)))))