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Overview
Comment:added basic keyboard support
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SHA1: bcc0c5730e43f9610e52d607b2c3670aa9be34b8
User & Date: aldo 2016-09-12 17:28:28
Context
2016-09-12
22:09
added textline editor, added text-align css support check-in: a2511885ee user: aldo tags: trunk
17:28
added basic keyboard support check-in: bcc0c5730e user: aldo tags: trunk
17:27
added multiline text to label in demo2.ss check-in: 543f2597d0 user: aldo tags: trunk
Changes
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Changes to element.ss. 

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    (set! id (mi-id id)))
  (let-values ([(last-x last-y last-w last-h) (get-last-coords id)])
    (let ([old-style (widget-old-style id)]
	  [element #f] 
	  [td #f] 
	  [style #f] 
	  [pseudo #f])



















      (when (and (number? last-w) (number? last-h) (region-hit? last-x last-y last-w last-h))
	(mi-hot-item id)
	(when (and activable (not (mi-active-item)) (mi-mouse-down?))
	  (mi-active-item id))

	(if (eq? (mi-active-item) id)
	    (set! pseudo 'pressed)
	    (set! pseudo 'hover)))

      (set! element (make-mi-element el id (mi-class) pseudo (mi-el)))
      
      (set! style (stylesheet-resolve element))
      (hashtable-set! style-table id style)
      (mi-element-style-set! element style)
      
      (set! td (mi-style-query element 'transition-duration 0 #f))
................................................................................

(define-css-element flex 1 #f i-t number?)

(define-css-element min-width 0 #f i-t number? list?)

(define-css-element min-height 0 #f i-t number? list?)

(define-css-element text-align 0 #f i-t number? list?)

(define-css-element box-sizing 'border-box #f i-t
  (eq-transformer 'border-box))

(define-css-element order 0 #f i-t
  number?)









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    (set! id (mi-id id)))
  (let-values ([(last-x last-y last-w last-h) (get-last-coords id)])
    (let ([old-style (widget-old-style id)]
	  [element #f] 
	  [td #f] 
	  [style #f] 
	  [pseudo #f])
      (when activable
	(when (not (mi-kbd-item))
	  (mi-kbd-item id)
	  (printf "KBD ITEM: ~d~n" id))
	(when (eq? (mi-kbd-item) id)
	  (when (mi-key)
	    (case (mi-key)
	      #;['(shift tab) 
	       (mi-kbd-item (mi-last-activable))
	       (mi-keys-pop) (mi-keys-pop)]
	      [tab
	       (mi-kbd-item #f)(printf "TAB~n")
	       (mi-key #f)]
	      [return
	       (mi-hot-item id) (mi-active-item id)
	       (mi-key #f)
	       ])))
	  (mi-last-activable id))

      (when (and (number? last-w) (number? last-h) (region-hit? last-x last-y last-w last-h))
	(mi-hot-item id)
	(when (and activable (not (mi-active-item)) (mi-mouse-down?))
	  (mi-active-item id)
	  (mi-kbd-item id))
	(if (eq? (mi-active-item) id)
	    (set! pseudo 'pressed)
	    (set! pseudo 'hover)))
      
      (set! element (make-mi-element el id (mi-class) pseudo (mi-el)))
      
      (set! style (stylesheet-resolve element))
      (hashtable-set! style-table id style)
      (mi-element-style-set! element style)
      
      (set! td (mi-style-query element 'transition-duration 0 #f))
................................................................................

(define-css-element flex 1 #f i-t number?)

(define-css-element min-width 0 #f i-t number? list?)

(define-css-element min-height 0 #f i-t number? list?)

(define-css-element text-align 'left #f i-t number? (in-list-validator 'left 'center 'right))

(define-css-element box-sizing 'border-box #f i-t
  (eq-transformer 'border-box))

(define-css-element order 0 #f i-t
  number?)

Changes to event-loop.ss. 

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	  sdl-poll-event ((e sdl-event-t &)) result
	  ;(printf "~d ~d\n" e result)
	  (when (not (zero? result))
		(let-struct 
		 e sdl-event-t (type)
		 (case (sdl-event-type-ref type)
		   [quit (printf "quit\n") (quit)]
		   [keydown (let* ([sym (event-keyboard-keysym-sym e)]

				   [sym-name (sdl-keycode-ref sym)])



			      (printf "keydown ~x ~d\n" sym (sdl-keycode-ref sym))

			      (if (eq? sym-name 'q) (quit)))]



		   [textinput (let* ([ti (ftype-&ref sdl-event-t (text) e)]
				     [text (char*-array->string
					    (ftype-&ref sdl-text-input-event-t (text) ti) 32)])
				(printf "text input \"~d\"\n" text )
				(if (string=? text "q") (quit)))]
		   [mousemotion (let* ([mousemotion (ftype-&ref sdl-event-t (motion) e)])
				  (let-struct mousemotion sdl-mouse-motion-event-t
					      (x y xrel yrel state)
					      (mi-mouse-x x) (mi-mouse-y y)
					      (if (region-hit? 0 0 (mi-window-width) (mi-window-height))
						  (sdl-capture-mouse #t)
						  (sdl-capture-mouse #f))
					      ;(printf "mouse moved ~d ~d ~d ~d ~d" x y xrel yrel state)
					      ))]
		   [mousewheel (let* ([wheel (ftype-&ref sdl-event-t (wheel) e)])
				 (let-struct wheel sdl-mouse-wheel-event-t (x y window-id)
					     (printf "mouse wheel ~d ~d\n" x y)))]
		   
		   [mousebuttondown (let* ([button (event-mouse-button e)]
					   [button-name (sdl-button-ref button)])
				      (printf "mouse down ~d ~d\n" button button-name)
				      (when (eq? button-name 'left)
					    (mi-mouse-down? #t)))]
		   [mousebuttonup (let* ([button (event-mouse-button e)]
					 [button-name (sdl-button-ref button)])
				    (printf "mouse up ~d ~d\n" button button-name)
				    (when (eq? button-name 'left)
					  (mi-mouse-down? #f)))]
		   [windowevent 
		    (let-struct (ftype-&ref sdl-event-t (window) e) sdl-window-event-t (event)
				(let ([we (sdl-window-event-enum-ref event)])








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	  sdl-poll-event ((e sdl-event-t &)) result
	  ;(printf "~d ~d\n" e result)
	  (when (not (zero? result))
		(let-struct 
		 e sdl-event-t (type)
		 (case (sdl-event-type-ref type)
		   [quit (printf "quit\n") (quit)]
		   [keydown (let* ([sym (sdl-event-keyboard-keysym-sym e)]
				   [mod (sdl-event-keyboard-keysym-mod e)]
				   [sym-name (sdl-keycode-ref sym)])
			      (printf "keydown ~x ~x ~d ~d\n" sym mod (sdl-keycode-ref sym) 
				      (sdl-keymod-decode mod))
			      (mi-keymod (sdl-keymod-decode mod))
			      (mi-key (sdl-keycode-ref sym))
			      
			      (if (eq? sym-name 'q) (quit)))]
		   [keyup (let* ([sym (sdl-event-keyboard-keysym-sym e)]
				   [sym-name (sdl-keycode-ref sym)])
			      (printf "keyup ~x ~d\n" sym (sdl-keycode-ref sym)))]
		   [textinput (let* ([ti (ftype-&ref sdl-event-t (text) e)]
				     [text (char*-array->string
					    (ftype-&ref sdl-text-input-event-t (text) ti) 32)])
				(printf "text input \"~d\"\n" text ))]

		   [mousemotion (let* ([mousemotion (ftype-&ref sdl-event-t (motion) e)])
				  (let-struct mousemotion sdl-mouse-motion-event-t
					      (x y xrel yrel state)
					      (mi-mouse-x x) (mi-mouse-y y)
					      (if (region-hit? 0 0 (mi-window-width) (mi-window-height))
						  (sdl-capture-mouse #t)
						  (sdl-capture-mouse #f))
					      ;(printf "mouse moved ~d ~d ~d ~d ~d" x y xrel yrel state)
					      ))]
		   [mousewheel (let* ([wheel (ftype-&ref sdl-event-t (wheel) e)])
				 (let-struct wheel sdl-mouse-wheel-event-t (x y window-id)
					     (printf "mouse wheel ~d ~d\n" x y)))]
		   
		   [mousebuttondown (let* ([button (sdl-event-mouse-button e)]
					   [button-name (sdl-button-ref button)])
				      (printf "mouse down ~d ~d\n" button button-name)
				      (when (eq? button-name 'left)
					    (mi-mouse-down? #t)))]
		   [mousebuttonup (let* ([button (sdl-event-mouse-button e)]
					 [button-name (sdl-button-ref button)])
				    (printf "mouse up ~d ~d\n" button button-name)
				    (when (eq? button-name 'left)
					  (mi-mouse-down? #f)))]
		   [windowevent 
		    (let-struct (ftype-&ref sdl-event-t (window) e) sdl-window-event-t (event)
				(let ([we (sdl-window-event-enum-ref event)])

Changes to miogui.ss. 

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(define mi-mouse-x (make-parameter 0))
(define mi-mouse-y (make-parameter 0))
(define mi-mouse-down? (make-parameter #f))
(define mi-hot-item (make-parameter #f))
(define mi-active-item (make-parameter #f))
(define mi-active-window 'none)

























(define mi-cr (make-parameter #f))
(define mi-cairo-surface (make-parameter #f))

(define fps (make-parameter 25))
(define mi-frame-number (make-parameter 0))

(import (srfi s26 cut)) 








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(define mi-mouse-x (make-parameter 0))
(define mi-mouse-y (make-parameter 0))
(define mi-mouse-down? (make-parameter #f))
(define mi-hot-item (make-parameter #f))
(define mi-active-item (make-parameter #f))
(define mi-active-window 'none)
(define mi-last-activable (make-parameter #f))

(define mi-kbd-item (make-parameter #f))

;; (define mi-keys (make-parameter '()))

;; (define (mi-keys-add k)
;;   (mi-keys (append (mi-keys) (list k))))

;; (define (mi-keys-rm k)
;;   (mi-keys (remove k (mi-keys))))

;; (define (mi-keys-available)
;;   (pair? (mi-keys)))

;; (define (mi-keys-pop)
;;   (if (pair? (mi-keys))
;;       (let ([k (car (mi-keys))])
;; 	(mi-keys (cdr (mi-keys)))
;; 	k)
;;       #f))

(define mi-key (make-parameter #f))
(define mi-keymod (make-parameter '()))

(define mi-cr (make-parameter #f))
(define mi-cairo-surface (make-parameter #f))

(define fps (make-parameter 25))
(define mi-frame-number (make-parameter 0))

(import (srfi s26 cut))

Fossil 2.9 [0fd79a3e09] 2019-07-13 13:05:19