6c8255bf39
* exwm-floating.el (exwm-floating--set-allowed-actions) (exwm-floating--set-floating, exwm-floating--unset-floating): Add _NET_WM_ALLOWED_ACTIONS support. * exwm-floating.el (exwm-floating--set-floating) (exwm-floating--unset-floating): Support initial state hint. * exwm.el (exwm--update-hints): Fetch initial state. (exwm--update-state, exwm--on-PropertyNotify): WM_STATE is not intended to be read. * exwm-core.el (exwm-state): * exwm-floating.el (exwm-floating-hide): * exwm-input.el (exwm-input--update-focus): * exwm-layout.el (exwm-layout--set-state) (exwm-layout--iconic-state-p, exwm-layout--show, exwm-layout--hide): * exwm-manage.el (exwm-manage--on-MapRequest): Improve WM_STATE support. * exwm-input.el (exwm-input--set-focus): * exwm-input.el (exwm-input--update-focus) (exwm-input--set-active-window): * exwm.el (exwm--on-ClientMessage): Add _NET_ACTIVE_WINDOW support. * exwm-layout.el (exwm-layout--set-client-list-stacking): Improve _NET_CLIENT_LIST_STACKING support. * exwm-manage.el (exwm-manage--set-client-list) (exwm-manage--manage-window, exwm-manage--unmanage-window): Improve _NET_CLIENT_LIST support. * exwm-manage.el (exwm-manage--manage-window): * exwm-workspace.el (exwm-workspace--set-desktop) (exwm-workspace-move-window): * exwm.el (exwm--on-ClientMessage): Add _NET_WM_DESKTOP support. * exwm-randr.el (exwm-randr--refresh): * exwm-workspace.el (exwm-workspace--set-desktop-geometry) (exwm-workspace--init): Add _NET_DESKTOP_GEOMETRY support. * exwm-workspace.el (exwm-workspace--set-desktop-geometry): Renamed from `exwm-workspace--update-desktop-geometry'. * exwm-randr.el (exwm-randr--refresh): Improve _NET_WORKAREA support. * exwm-workspace.el (exwm-workspace--set-fullscreen): Correct variables names. * exwm-workspace.el (exwm-workspace--init): * exwm.el (exwm--init-icccm-ewmh): Set _NET_NUMBER_OF_DESKTOPS in workspace module. * exwm-workspace.el (exwm-workspace--init): * exwm.el (exwm--init-icccm-ewmh): Set _NET_DESKTOP_VIEWPORT in workspace module. * exwm.el (exwm--on-ClientMessage): Improve _NET_CURRENT_DESKTOP support. * exwm.el (exwm--on-ClientMessage): Add _NET_CLOSE_WINDOW support. * exwm.el (exwm--on-ClientMessage): Add WM_CHANGE_STATE support. * exwm.el (exwm--init-icccm-ewmh): Update supported atoms.
666 lines
32 KiB
EmacsLisp
666 lines
32 KiB
EmacsLisp
;;; exwm-floating.el --- Floating Module for EXWM -*- lexical-binding: t -*-
|
||
|
||
;; Copyright (C) 2015-2016 Free Software Foundation, Inc.
|
||
|
||
;; Author: Chris Feng <chris.w.feng@gmail.com>
|
||
|
||
;; This file is part of GNU Emacs.
|
||
|
||
;; GNU Emacs is free software: you can redistribute it and/or modify
|
||
;; it under the terms of the GNU General Public License as published by
|
||
;; the Free Software Foundation, either version 3 of the License, or
|
||
;; (at your option) any later version.
|
||
|
||
;; GNU Emacs is distributed in the hope that it will be useful,
|
||
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
;; GNU General Public License for more details.
|
||
|
||
;; You should have received a copy of the GNU General Public License
|
||
;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
|
||
|
||
;;; Commentary:
|
||
|
||
;; This module deals with the conversion between floating and non-floating
|
||
;; states and implements moving/resizing operations on floating windows.
|
||
|
||
;;; Code:
|
||
|
||
(require 'xcb-cursor)
|
||
(require 'exwm-core)
|
||
|
||
(defvar exwm-floating-border-width 1 "Border width of the floating window.")
|
||
(defvar exwm-floating-border-color "navy"
|
||
"Border color of the floating window.")
|
||
|
||
(defvar exwm-floating-setup-hook nil
|
||
"Normal hook run when a window has been made floating.")
|
||
(defvar exwm-floating-exit-hook nil
|
||
"Normal hook run when a window has exited floating state.")
|
||
|
||
;; Cursors for moving/resizing a window
|
||
(defvar exwm-floating--cursor-move nil)
|
||
(defvar exwm-floating--cursor-top-left nil)
|
||
(defvar exwm-floating--cursor-top nil)
|
||
(defvar exwm-floating--cursor-top-right nil)
|
||
(defvar exwm-floating--cursor-right nil)
|
||
(defvar exwm-floating--cursor-bottom-right nil)
|
||
(defvar exwm-floating--cursor-bottom nil)
|
||
(defvar exwm-floating--cursor-bottom-left nil)
|
||
(defvar exwm-floating--cursor-left nil)
|
||
|
||
(defun exwm-floating--set-allowed-actions (id tilling)
|
||
"Set _NET_WM_ALLOWED_ACTIONS."
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ewmh:set-_NET_WM_ALLOWED_ACTIONS
|
||
:window id
|
||
:data (if tilling
|
||
(vector xcb:Atom:_NET_WM_ACTION_MINIMIZE
|
||
xcb:Atom:_NET_WM_ACTION_FULLSCREEN
|
||
xcb:Atom:_NET_WM_ACTION_CHANGE_DESKTOP
|
||
xcb:Atom:_NET_WM_ACTION_CLOSE)
|
||
(vector xcb:Atom:_NET_WM_ACTION_MOVE
|
||
xcb:Atom:_NET_WM_ACTION_RESIZE
|
||
xcb:Atom:_NET_WM_ACTION_MINIMIZE
|
||
xcb:Atom:_NET_WM_ACTION_FULLSCREEN
|
||
xcb:Atom:_NET_WM_ACTION_CHANGE_DESKTOP
|
||
xcb:Atom:_NET_WM_ACTION_CLOSE)))))
|
||
|
||
(defvar exwm-workspace--current)
|
||
(defvar exwm-workspace--list)
|
||
(defvar exwm-workspace-current-index)
|
||
(defvar exwm-workspace--switch-history-outdated)
|
||
|
||
(declare-function exwm-layout--refresh "exwm-layout.el" ())
|
||
(declare-function exwm-layout--show "exwm-layout.el" (id &optional window))
|
||
(declare-function exwm-layout--iconic-state-p "exwm-layout.el" (&optional id))
|
||
|
||
(defun exwm-floating--set-floating (id)
|
||
"Make window ID floating."
|
||
(let ((window (get-buffer-window (exwm--id->buffer id))))
|
||
(when window ;window in non-floating state
|
||
(set-window-buffer window (other-buffer)))) ;hide it first
|
||
(let* ((original-frame exwm-workspace--current)
|
||
;; Create new frame
|
||
(frame (with-current-buffer
|
||
(or (get-buffer "*scratch*")
|
||
(progn
|
||
(set-buffer-major-mode
|
||
(get-buffer-create "*scratch*"))
|
||
(get-buffer "*scratch*")))
|
||
(make-frame
|
||
`((minibuffer . nil) ;use the default minibuffer.
|
||
(background-color . ,exwm-floating-border-color)
|
||
(internal-border-width . ,exwm-floating-border-width)
|
||
(left . 10000)
|
||
(top . 10000)
|
||
(width . ,window-min-width)
|
||
(height . ,window-min-height)
|
||
(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))
|
||
(frame-container (xcb:generate-id exwm--connection))
|
||
(window (frame-first-window frame)) ;and it's the only window
|
||
(x (slot-value exwm--geometry 'x))
|
||
(y (slot-value exwm--geometry 'y))
|
||
(width (slot-value exwm--geometry 'width))
|
||
(height (slot-value exwm--geometry 'height))
|
||
(frame-geometry (frame-parameter original-frame 'exwm-geometry)))
|
||
(exwm--log "Floating geometry (original, absolute): %dx%d%+d%+d"
|
||
width height x y)
|
||
(when (and frame-geometry
|
||
(/= x 0)
|
||
(/= y 0))
|
||
(setq x (- x (slot-value frame-geometry 'x))
|
||
y (- y (slot-value frame-geometry 'y))))
|
||
(exwm--log "Floating geometry (original, relative): %dx%d%+d%+d"
|
||
width height x y)
|
||
;; Save frame parameters.
|
||
(set-frame-parameter frame 'exwm-outer-id outer-id)
|
||
(set-frame-parameter frame 'exwm-container frame-container)
|
||
;; Fix illegal parameters
|
||
;; FIXME: check normal hints restrictions
|
||
(let* ((display-width (frame-pixel-width original-frame))
|
||
(display-height (- (frame-pixel-height original-frame)
|
||
(if (exwm-workspace--minibuffer-own-frame-p)
|
||
0
|
||
(window-pixel-height (minibuffer-window
|
||
original-frame)))
|
||
(* 2 (window-mode-line-height))
|
||
(window-header-line-height window)
|
||
(* 2 exwm-floating-border-width)))
|
||
(display-height (* 2 (/ display-height 2)))) ;round to even
|
||
(if (> width display-width)
|
||
;; Too wide
|
||
(progn (setq x 0
|
||
width display-width))
|
||
;; Invalid width
|
||
(when (= 0 width) (setq width (/ display-width 2)))
|
||
;; Make sure at least half of the window is visible
|
||
(when (or (> (+ x (/ width 2)) display-width) (> 0 (+ x (/ width 2))))
|
||
(setq x (/ (- display-width width) 2))))
|
||
(if (> height display-height)
|
||
;; Too tall
|
||
(setq y 0
|
||
height display-height)
|
||
;; Invalid height
|
||
(when (= 0 height) (setq height (/ display-height 2)))
|
||
;; Make sure at least half of the window is visible
|
||
(when (or (> (+ y (/ height 2)) display-height)
|
||
(> 0 (+ y (/ height 2))))
|
||
(setq y (/ (- display-height height) 2))))
|
||
;; Center floating windows
|
||
(when (and (= x 0) (= y 0))
|
||
(let ((buffer (exwm--id->buffer exwm-transient-for))
|
||
window edges)
|
||
(when (and buffer (setq window (get-buffer-window buffer)))
|
||
(setq edges (window-inside-absolute-pixel-edges window))
|
||
(unless (and (<= width (- (elt edges 2) (elt edges 0)))
|
||
(<= height (- (elt edges 3) (elt edges 1))))
|
||
(setq edges nil)))
|
||
(if edges
|
||
;; Put at the center of leading window
|
||
(setq x (/ (- (elt edges 2) (elt edges 0) width) 2)
|
||
y (/ (- (elt edges 3) (elt edges 1) height) 2))
|
||
;; Put at the center of screen
|
||
(setq x (/ (- display-width width) 2)
|
||
y (/ (- display-height height) 2))))))
|
||
(exwm--log "Floating geometry (corrected): %dx%d%+d%+d" width height x y)
|
||
;; Fit frame to client
|
||
;; It seems we have to make the frame invisible in order to resize it
|
||
;; timely.
|
||
;; The frame will be made visible by `select-frame-set-input-focus'.
|
||
(make-frame-invisible frame)
|
||
(let* ((edges (window-inside-pixel-edges window))
|
||
(frame-width (+ width (- (frame-pixel-width frame)
|
||
(- (elt edges 2) (elt edges 0)))))
|
||
(frame-height (+ height (- (frame-pixel-height frame)
|
||
(- (elt edges 3) (elt edges 1))))))
|
||
;; Check `exwm--mwm-hints-decorations'.
|
||
(unless exwm--mwm-hints-decorations
|
||
(setq frame-height (- frame-height (window-mode-line-height
|
||
(frame-root-window frame)))
|
||
exwm--mode-line-format mode-line-format
|
||
mode-line-format nil))
|
||
(set-frame-size frame frame-width frame-height t)
|
||
;; Create the frame container as the parent of the frame and
|
||
;; a child of the X window container.
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:CreateWindow
|
||
:depth 0 :wid frame-container
|
||
:parent container
|
||
:x 0 :y 0 :width width :height height :border-width 0
|
||
:class xcb:WindowClass:CopyFromParent
|
||
:visual 0 ;CopyFromParent
|
||
:value-mask xcb:CW:OverrideRedirect
|
||
:override-redirect 1))
|
||
;; Put it at bottom.
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ConfigureWindow
|
||
:window frame-container
|
||
:value-mask xcb:ConfigWindow:StackMode
|
||
:stack-mode xcb:StackMode:Below))
|
||
;; Map it.
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:MapWindow :window frame-container))
|
||
(exwm--debug
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ewmh:set-_NET_WM_NAME
|
||
:window frame-container
|
||
:data
|
||
(format "floating frame container for 0x%x" id)))))
|
||
;; Reparent this frame to its container.
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ReparentWindow
|
||
:window outer-id :parent frame-container :x 0 :y 0))
|
||
;; Place the X window container.
|
||
(xcb:+request exwm--connection
|
||
(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)))
|
||
(exwm-floating--set-allowed-actions id nil)
|
||
(xcb:flush exwm--connection)
|
||
;; Set window/buffer
|
||
(with-current-buffer (exwm--id->buffer id)
|
||
(setq window-size-fixed exwm--fixed-size
|
||
exwm--frame original-frame
|
||
exwm--floating-frame frame)
|
||
;; Do the refresh manually.
|
||
(remove-hook 'window-configuration-change-hook #'exwm-layout--refresh)
|
||
(set-window-buffer window (current-buffer)) ;this changes current buffer
|
||
(add-hook 'window-configuration-change-hook #'exwm-layout--refresh)
|
||
(set-window-dedicated-p window t)
|
||
(exwm-layout--show id window))
|
||
(if (exwm-layout--iconic-state-p id)
|
||
;; Hide iconic floating X windows.
|
||
(with-current-buffer (exwm--id->buffer id)
|
||
(exwm-floating-hide))
|
||
(with-selected-frame exwm-workspace--current
|
||
(exwm-layout--refresh))
|
||
(select-frame-set-input-focus frame)))
|
||
(run-hooks 'exwm-floating-setup-hook)
|
||
;; Redraw the frame.
|
||
(redisplay))
|
||
|
||
(defun exwm-floating--unset-floating (id)
|
||
"Make window ID non-floating."
|
||
(let ((buffer (exwm--id->buffer id)))
|
||
(with-current-buffer buffer
|
||
(when exwm--floating-frame
|
||
;; The X window is already mapped.
|
||
;; Unmap the container to prevent flickering.
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:UnmapWindow :window exwm--container))
|
||
(xcb:flush exwm--connection)
|
||
;; Unmap the X window.
|
||
(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:UnmapWindow :window id))
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ChangeWindowAttributes
|
||
:window id :value-mask xcb:CW:EventMask
|
||
:event-mask exwm--client-event-mask))
|
||
;; Reparent the floating frame back to the root window.
|
||
(let ((frame-id (frame-parameter exwm--floating-frame 'exwm-outer-id))
|
||
(frame-container (frame-parameter exwm--floating-frame
|
||
'exwm-container)))
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:UnmapWindow :window frame-id))
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ReparentWindow
|
||
:window frame-id
|
||
:parent exwm--root
|
||
:x 0 :y 0))
|
||
;; Also destroy its container.
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:DestroyWindow :window frame-container))))
|
||
;; Put the X window container just above the Emacs frame container
|
||
;; (the stacking order won't change from now on).
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ConfigureWindow
|
||
:window exwm--container
|
||
:value-mask (logior xcb:ConfigWindow:Sibling
|
||
xcb:ConfigWindow:StackMode)
|
||
:sibling (frame-parameter exwm-workspace--current
|
||
'exwm-container)
|
||
:stack-mode xcb:StackMode:Above)))
|
||
(exwm-floating--set-allowed-actions id t)
|
||
(xcb:flush exwm--connection)
|
||
(with-current-buffer buffer
|
||
(when exwm--floating-frame ;from floating to non-floating
|
||
(set-window-dedicated-p (frame-first-window exwm--floating-frame) nil)
|
||
(delete-frame exwm--floating-frame))) ;remove the floating frame
|
||
(with-current-buffer buffer
|
||
(setq window-size-fixed nil
|
||
exwm--floating-frame nil
|
||
exwm--frame exwm-workspace--current))
|
||
(unless (exwm-layout--iconic-state-p)
|
||
;; Only show X windows in normal state.
|
||
(let ((window (frame-selected-window exwm-workspace--current)))
|
||
(set-window-buffer window buffer)
|
||
(select-window window))))
|
||
(run-hooks 'exwm-floating-exit-hook))
|
||
|
||
;;;###autoload
|
||
(defun exwm-floating-toggle-floating ()
|
||
"Toggle the current window between floating and non-floating states."
|
||
(interactive)
|
||
(with-current-buffer (window-buffer)
|
||
(if exwm--floating-frame
|
||
(exwm-floating--unset-floating exwm--id)
|
||
(exwm-floating--set-floating exwm--id))))
|
||
|
||
(declare-function exwm-layout--set-state "exwm-layout.el" (id state))
|
||
|
||
;;;###autoload
|
||
(defun exwm-floating-hide ()
|
||
"Hide the current floating X window (which would show again when selected)."
|
||
(interactive)
|
||
(when (and (eq major-mode 'exwm-mode)
|
||
exwm--floating-frame)
|
||
;; Put this floating X window at bottom.
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ConfigureWindow
|
||
:window exwm--container
|
||
:value-mask xcb:ConfigWindow:StackMode
|
||
:stack-mode xcb:StackMode:Below))
|
||
(exwm-layout--set-state exwm--id xcb:icccm:WM_STATE:IconicState)
|
||
(xcb:flush exwm--connection)
|
||
(select-frame-set-input-focus exwm-workspace--current)))
|
||
|
||
(define-obsolete-function-alias 'exwm-floating-hide-mode-line
|
||
'exwm-layout-hide-mode-line "25.1" "Hide mode-line of a floating frame.")
|
||
(define-obsolete-function-alias 'exwm-floating-show-mode-line
|
||
'exwm-layout-show-mode-line "25.1" "Show mode-line of a floating frame.")
|
||
|
||
(defvar exwm-floating--moveresize-calculate nil
|
||
"Calculate move/resize parameters [buffer event-mask x y width height].")
|
||
|
||
(defun exwm-floating--start-moveresize (id &optional type)
|
||
"Start move/resize."
|
||
(let ((buffer-or-id (or (exwm--id->buffer id) id))
|
||
frame container-or-id x y width height cursor)
|
||
(if (bufferp buffer-or-id)
|
||
;; Managed.
|
||
(with-current-buffer buffer-or-id
|
||
(setq frame exwm--floating-frame
|
||
container-or-id exwm--container))
|
||
;; Unmanaged.
|
||
(setq container-or-id id))
|
||
(when (and container-or-id
|
||
;; 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 container-or-id
|
||
:event-mask xcb:EventMask:NoEvent
|
||
:pointer-mode xcb:GrabMode:Async
|
||
:keyboard-mode xcb:GrabMode:Async
|
||
:confine-to xcb:Window:None
|
||
:cursor xcb:Cursor:None
|
||
:time xcb:Time:CurrentTime))
|
||
'status)))
|
||
(with-slots (root-x root-y win-x win-y)
|
||
(xcb:+request-unchecked+reply exwm--connection
|
||
(make-instance 'xcb:QueryPointer :window id))
|
||
(if (not (bufferp buffer-or-id))
|
||
;; Unmanaged.
|
||
(unless (eq type xcb:ewmh:_NET_WM_MOVERESIZE_MOVE)
|
||
(with-slots ((width* width)
|
||
(height* height))
|
||
(xcb:+request-unchecked+reply exwm--connection
|
||
(make-instance 'xcb:GetGeometry :drawable id))
|
||
(setq width width*
|
||
height height*)))
|
||
;; Managed.
|
||
(select-window (frame-first-window frame)) ;transfer input focus
|
||
(setq width (frame-pixel-width frame)
|
||
height (frame-pixel-height frame))
|
||
(unless type
|
||
;; Determine the resize type according to the pointer position
|
||
;; Clicking the center 1/3 part to resize has not effect
|
||
(setq x (/ (* 3 win-x) (float width))
|
||
y (/ (* 3 win-y) (float height))
|
||
type (cond ((and (< x 1) (< y 1))
|
||
xcb:ewmh:_NET_WM_MOVERESIZE_SIZE_TOPLEFT)
|
||
((and (> x 2) (< y 1))
|
||
xcb:ewmh:_NET_WM_MOVERESIZE_SIZE_TOPRIGHT)
|
||
((and (> x 2) (> y 2))
|
||
xcb:ewmh:_NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT)
|
||
((and (< x 1) (> y 2))
|
||
xcb:ewmh:_NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT)
|
||
((> x 2) xcb:ewmh:_NET_WM_MOVERESIZE_SIZE_RIGHT)
|
||
((> y 2) xcb:ewmh:_NET_WM_MOVERESIZE_SIZE_BOTTOM)
|
||
((< x 1) xcb:ewmh:_NET_WM_MOVERESIZE_SIZE_LEFT)
|
||
((< y 1) xcb:ewmh:_NET_WM_MOVERESIZE_SIZE_TOP)))))
|
||
(if (not type)
|
||
(exwm-floating--stop-moveresize)
|
||
(cond ((= type xcb:ewmh:_NET_WM_MOVERESIZE_MOVE)
|
||
(setq cursor exwm-floating--cursor-move
|
||
exwm-floating--moveresize-calculate
|
||
`(lambda (x y)
|
||
(vector ,buffer-or-id
|
||
,(eval-when-compile
|
||
(logior xcb:ConfigWindow:X
|
||
xcb:ConfigWindow:Y))
|
||
(- x ,win-x) (- y ,win-y) 0 0))))
|
||
((= type xcb:ewmh:_NET_WM_MOVERESIZE_SIZE_TOPLEFT)
|
||
(setq cursor exwm-floating--cursor-top-left
|
||
exwm-floating--moveresize-calculate
|
||
`(lambda (x y)
|
||
(vector ,buffer-or-id
|
||
,(eval-when-compile
|
||
(logior xcb:ConfigWindow:X
|
||
xcb:ConfigWindow:Y
|
||
xcb:ConfigWindow:Width
|
||
xcb:ConfigWindow:Height))
|
||
(- x ,win-x) (- y ,win-y)
|
||
(- ,(+ root-x width) x)
|
||
(- ,(+ root-y height) y)))))
|
||
((= type xcb:ewmh:_NET_WM_MOVERESIZE_SIZE_TOP)
|
||
(setq cursor exwm-floating--cursor-top
|
||
exwm-floating--moveresize-calculate
|
||
`(lambda (x y)
|
||
(vector ,buffer-or-id
|
||
,(eval-when-compile
|
||
(logior xcb:ConfigWindow:Y
|
||
xcb:ConfigWindow:Height))
|
||
0 (- y ,win-y) 0 (- ,(+ root-y height) y)))))
|
||
((= type xcb:ewmh:_NET_WM_MOVERESIZE_SIZE_TOPRIGHT)
|
||
(setq cursor exwm-floating--cursor-top-right
|
||
exwm-floating--moveresize-calculate
|
||
`(lambda (x y)
|
||
(vector ,buffer-or-id
|
||
,(eval-when-compile
|
||
(logior xcb:ConfigWindow:Y
|
||
xcb:ConfigWindow:Width
|
||
xcb:ConfigWindow:Height))
|
||
0 (- y ,win-y) (- x ,(- root-x width))
|
||
(- ,(+ root-y height) y)))))
|
||
((= type xcb:ewmh:_NET_WM_MOVERESIZE_SIZE_RIGHT)
|
||
(setq cursor exwm-floating--cursor-right
|
||
exwm-floating--moveresize-calculate
|
||
`(lambda (x y)
|
||
(vector ,buffer-or-id
|
||
,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 ,buffer-or-id
|
||
,(eval-when-compile
|
||
(logior xcb:ConfigWindow:Width
|
||
xcb:ConfigWindow:Height))
|
||
0 0 (- x ,(- root-x width))
|
||
(- y ,(- root-y height))))))
|
||
((= type xcb:ewmh:_NET_WM_MOVERESIZE_SIZE_BOTTOM)
|
||
(setq cursor exwm-floating--cursor-bottom
|
||
exwm-floating--moveresize-calculate
|
||
`(lambda (x y)
|
||
(vector ,buffer-or-id
|
||
,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 ,buffer-or-id
|
||
,(eval-when-compile
|
||
(logior xcb:ConfigWindow:X
|
||
xcb:ConfigWindow:Width
|
||
xcb:ConfigWindow:Height))
|
||
(- x ,win-x)
|
||
0
|
||
(- ,(+ root-x width) x)
|
||
(- y ,(- root-y height))))))
|
||
((= type xcb:ewmh:_NET_WM_MOVERESIZE_SIZE_LEFT)
|
||
(setq cursor exwm-floating--cursor-left
|
||
exwm-floating--moveresize-calculate
|
||
`(lambda (x y)
|
||
(vector ,buffer-or-id
|
||
,(eval-when-compile
|
||
(logior xcb:ConfigWindow:X
|
||
xcb:ConfigWindow:Width))
|
||
(- x ,win-x) 0 (- ,(+ root-x width) x) 0)))))
|
||
;; Select events and change cursor (should always succeed)
|
||
(xcb:+request-unchecked+reply exwm--connection
|
||
(make-instance 'xcb:GrabPointer
|
||
:owner-events 0 :grab-window container-or-id
|
||
:event-mask (eval-when-compile
|
||
(logior xcb:EventMask:ButtonRelease
|
||
xcb:EventMask:ButtonMotion))
|
||
:pointer-mode xcb:GrabMode:Async
|
||
:keyboard-mode xcb:GrabMode:Async
|
||
:confine-to xcb:Window:None
|
||
:cursor cursor
|
||
:time xcb:Time:CurrentTime)))))))
|
||
|
||
(defun exwm-floating--stop-moveresize (&rest _args)
|
||
"Stop move/resize."
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:UngrabPointer :time xcb:Time:CurrentTime))
|
||
;; Inform the X window that its absolute position is changed
|
||
(when (and exwm-floating--moveresize-calculate
|
||
;; Unmanaged.
|
||
(eq major-mode 'exwm-mode))
|
||
(let ((edges (window-inside-absolute-pixel-edges (frame-selected-window)))
|
||
(id (with-current-buffer (window-buffer (frame-selected-window))
|
||
exwm--id)))
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:SendEvent
|
||
:propagate 0 :destination id
|
||
:event-mask xcb:EventMask:StructureNotify
|
||
:event (xcb:marshal
|
||
(make-instance 'xcb:ConfigureNotify
|
||
:event id :window id
|
||
:above-sibling xcb:Window:None
|
||
:x (elt edges 0)
|
||
:y (elt edges 1)
|
||
:width (- (elt edges 2)
|
||
(elt edges 0))
|
||
:height (- (elt edges 3)
|
||
(elt edges 1))
|
||
:border-width 0
|
||
:override-redirect 0)
|
||
exwm--connection)))))
|
||
(xcb:flush exwm--connection)
|
||
(setq exwm-floating--moveresize-calculate nil))
|
||
|
||
(defun exwm-floating--do-moveresize (data _synthetic)
|
||
"Perform move/resize."
|
||
(when exwm-floating--moveresize-calculate
|
||
(let ((obj (make-instance 'xcb:MotionNotify))
|
||
(geometry (frame-parameter exwm-workspace--current 'exwm-geometry))
|
||
(frame-x 0)
|
||
(frame-y 0)
|
||
result value-mask width height buffer-or-id container-or-id)
|
||
(when geometry
|
||
(setq frame-x (slot-value geometry 'x)
|
||
frame-y (slot-value geometry 'y)))
|
||
(xcb:unmarshal obj data)
|
||
(setq result (funcall exwm-floating--moveresize-calculate
|
||
(slot-value obj 'root-x) (slot-value obj 'root-y))
|
||
value-mask (logand (aref result 1)
|
||
(eval-when-compile
|
||
(logior xcb:ConfigWindow:Width
|
||
xcb:ConfigWindow:Height)))
|
||
width (aref result 4)
|
||
height (aref result 5))
|
||
(setq buffer-or-id (aref result 0))
|
||
(setq container-or-id
|
||
(if (bufferp buffer-or-id)
|
||
;; Managed.
|
||
(with-current-buffer buffer-or-id exwm--container)
|
||
;; Unmanaged.
|
||
buffer-or-id))
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ConfigureWindow
|
||
:window container-or-id
|
||
:value-mask (aref result 1)
|
||
:x (- (aref result 2) frame-x)
|
||
:y (- (aref result 3) frame-y)
|
||
:width width
|
||
:height height))
|
||
(when (bufferp buffer-or-id)
|
||
;; Managed.
|
||
(with-current-buffer buffer-or-id
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ConfigureWindow
|
||
:window (frame-parameter exwm--floating-frame
|
||
'exwm-container)
|
||
:value-mask value-mask
|
||
:width width
|
||
:height height))
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:ConfigureWindow
|
||
:window (frame-parameter exwm--floating-frame
|
||
'exwm-outer-id)
|
||
:value-mask value-mask
|
||
:width width
|
||
:height height))))
|
||
(xcb:flush exwm--connection))))
|
||
|
||
(defun exwm-floating-move (&optional delta-x delta-y)
|
||
"Move a floating window right by DELTA-X pixels and down by DELTA-Y pixels.
|
||
|
||
Both DELTA-X and DELTA-Y default to 1. This command should be bound locally."
|
||
(unless (and (eq major-mode 'exwm-mode) exwm--floating-frame)
|
||
(user-error "[EXWM] `exwm-floating-move' is only for floating X windows"))
|
||
(unless delta-x (setq delta-x 1))
|
||
(unless delta-y (setq delta-y 1))
|
||
(unless (and (= 0 delta-x) (= 0 delta-y))
|
||
(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 exwm--container
|
||
:value-mask (eval-when-compile
|
||
(logior xcb:ConfigWindow:X
|
||
xcb:ConfigWindow:Y))
|
||
:x (+ (slot-value geometry 'x) delta-x)
|
||
:y (+ (slot-value geometry 'y) delta-y)))
|
||
;; Inform the X window that its absolute position is changed
|
||
(xcb:+request exwm--connection
|
||
(make-instance 'xcb:SendEvent
|
||
:propagate 0 :destination exwm--id
|
||
:event-mask xcb:EventMask:StructureNotify
|
||
:event (xcb:marshal
|
||
(make-instance 'xcb:ConfigureNotify
|
||
:event exwm--id
|
||
:window exwm--id
|
||
:above-sibling xcb:Window:None
|
||
:x (+ (elt edges 0) delta-x)
|
||
:y (+ (elt edges 1) delta-y)
|
||
:width (- (elt edges 2)
|
||
(elt edges 0))
|
||
:height (- (elt edges 3)
|
||
(elt edges 1))
|
||
:border-width 0
|
||
:override-redirect 0)
|
||
exwm--connection))))
|
||
(xcb:flush exwm--connection)))
|
||
|
||
(defun exwm-floating--init ()
|
||
"Initialize floating module."
|
||
;; Initialize cursors for moving/resizing a window
|
||
(xcb:cursor:init exwm--connection)
|
||
(setq exwm-floating--cursor-move
|
||
(xcb:cursor:load-cursor exwm--connection "fleur")
|
||
exwm-floating--cursor-top-left
|
||
(xcb:cursor:load-cursor exwm--connection "top_left_corner")
|
||
exwm-floating--cursor-top
|
||
(xcb:cursor:load-cursor exwm--connection "top_side")
|
||
exwm-floating--cursor-top-right
|
||
(xcb:cursor:load-cursor exwm--connection "top_right_corner")
|
||
exwm-floating--cursor-right
|
||
(xcb:cursor:load-cursor exwm--connection "right_side")
|
||
exwm-floating--cursor-bottom-right
|
||
(xcb:cursor:load-cursor exwm--connection "bottom_right_corner")
|
||
exwm-floating--cursor-bottom
|
||
(xcb:cursor:load-cursor exwm--connection "bottom_side")
|
||
exwm-floating--cursor-bottom-left
|
||
(xcb:cursor:load-cursor exwm--connection "bottom_left_corner")
|
||
exwm-floating--cursor-left
|
||
(xcb:cursor:load-cursor exwm--connection "left_side")))
|
||
|
||
(defun exwm-floating--exit ()
|
||
"Exit the floating module.")
|
||
|
||
|
||
|
||
(provide 'exwm-floating)
|
||
|
||
;;; exwm-floating.el ends here
|