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CLOG-GUI support for touch

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This commit is contained in:
David Botton 2024-01-23 21:55:52 -05:00
parent 4c195beccc
commit 5efdae255f
4 changed files with 25 additions and 38 deletions
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3
source/clog-base.lisp
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@ -1184,8 +1184,7 @@ ON-TOUCH-END-HANDLER is nil unbind the event."))
(set-event obj "touchend"
(when handler
(lambda (data)
(declare (ignore dara))
(funcall handler obj)))
(funcall handler obj '(:event-type :touch))))
:one-time one-time
:cancel-event cancel-event))

5
source/clog-gui.lisp
View file

@ -886,9 +886,10 @@ for identifiying the window to use with window-to-top-by-param or window-by-para
(clog::jquery-execute win
(format nil "draggable({handle:'#~A-title-bar'})" html-id))
(clog::jquery-execute win "resizable({handles:'se'})")
(set-on-touch-start (win-title win) (lambda (obj data) (declare (ignore obj data)) nil) :cancel-event t)
(set-on-pointer-down (win-title win)
(lambda (obj data)
(declare (ignore obj) (ignore data))
(declare (ignore obj data))
(setf (z-index win) (incf (last-z app)))
(fire-on-window-change win app)))
(clog::set-on-event win "dragstart"
@ -908,8 +909,10 @@ for identifiying the window to use with window-to-top-by-param or window-by-para
(declare (ignore obj))
(fire-on-window-size-done win))))
(t
(set-on-touch-start (win-title win) (lambda (obj data) (declare (ignore obj data)) nil) :cancel-event t)
(set-on-pointer-down
(win-title win) 'on-gui-drag-down :capture-pointer t)
(set-on-touch-start (sizer win) (lambda (obj data) (declare (ignore obj data)) nil) :cancel-event t)
(set-on-pointer-down
(sizer win) 'on-gui-drag-down :capture-pointer t)))
win)))

2
tools/clog-builder.lisp
View file

@ -9,7 +9,7 @@
(defparameter *start-project* nil)
(defparameter *client-side-movement* t)
(defparameter *client-side-movement* nil)
;; Per instance app data

39
tutorial/08-tutorial.lisp
View file

@ -5,11 +5,7 @@
(in-package :clog-tut-8)
(defclass app-data ()
((drag-type
:accessor drag-type
:initform nil
:documentation "Ensure only pointer or touch events.")
(drag-x
((drag-x
:accessor drag-x
:documentation "The location of the left side of the box relative to mouse during drag.")
(drag-y
@ -19,30 +15,18 @@
(defun stop-tracking (obj)
(set-on-pointer-move obj nil)
(set-on-pointer-up obj nil)
(set-on-touch-move obj nil)
(set-on-touch-end obj nil)
(let ((app (connection-data-item obj "app-data")))
(setf (drag-type app) nil)))
(set-on-pointer-up obj nil))
(defun on-mouse-down (obj data)
(let ((app (connection-data-item obj "app-data")))
(with-sync-event (obj) ; Process one event at a time
(when (eq (drag-type app) :pointer) ; Prefer touch events to pointer events
(stop-tracking obj)) ; to accomidate mobile devices emulating mice
(setf (drag-type app) (getf data :event-type))
(let* ((mouse-x (getf data :screen-x)) ; Use the screen coordinates not
(let* ((app (connection-data-item obj "app-data"))
(mouse-x (getf data :screen-x)) ; Use the screen coordinates not
(mouse-y (getf data :screen-y)) ; the coordinates relative to the obj
(obj-top (parse-integer (top obj) :junk-allowed t))
(obj-left (parse-integer (left obj) :junk-allowed t)))
(setf (drag-x app) (- mouse-x obj-left))
(setf (drag-y app) (- mouse-y obj-top))
(cond ((eq (getf data :event-type) :touch)
(set-on-touch-move obj 'on-mouse-move)
(set-on-touch-end obj 'on-touch-end))
(t
(set-on-pointer-move obj 'on-mouse-move)
(set-on-pointer-up obj 'on-mouse-up)))))))
(set-on-pointer-up obj 'on-mouse-up)))
(defun on-mouse-move (obj data)
(let* ((app (connection-data-item obj "app-data"))
@ -55,9 +39,6 @@
(declare (ignore data))
(stop-tracking obj))
(defun on-touch-end (obj)
(stop-tracking obj))
(defun on-new-window (body)
(let ((app (make-instance 'app-data))) ; Create our "App-Data" for this instance
(setf (connection-data-item body "app-data") app)) ; of our App.
@ -88,11 +69,15 @@
(setf (overflow div2) :hidden)
(setf (positioning div3) :absolute)
;; Setup mouse/touch/pointer events
;;
;; Since our divs are embedded on with in the other we use cancel-event so events do
;; not bubble up from one div to another
(set-on-touch-start div1 'on-mouse-down :cancel-event t)
(set-on-touch-start div2 'on-mouse-down :cancel-event t)
(set-on-touch-start div3 'on-mouse-down :cancel-event t)
;;
;; We need to catch the on-touch-start event or touches will not be tracked
;; However once cought the pointer events will be same for mouse or touch
(set-on-touch-start div1 (lambda (obj data) (declare (ignore obj data)) nil) :cancel-event t)
(set-on-touch-start div2 (lambda (obj data) (declare (ignore obj data)) nil) :cancel-event t)
(set-on-touch-start div3 (lambda (obj data) (declare (ignore obj data)) nil) :cancel-event t)
(set-on-pointer-down div1 'on-mouse-down :cancel-event t :capture-pointer t)
(set-on-pointer-down div2 'on-mouse-down :cancel-event t :capture-pointer t)
(set-on-pointer-down div3 'on-mouse-down :cancel-event t :capture-pointer t)))