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(define-module (wm)
#:use-module (ice-9 match)
#:use-module (srfi srfi-9)
#:use-module (system foreign)
#:export (wm-init
make-config
wm-reconfigure
make-key
make-shift-key
wm-grab-keys
wm-grab-key-with-mod
wm-grab-key-with-mod-shift
wm-set-key-press-handler!
wm-exec-cmd
wm-focus-prev
wm-focus-next
wm-focus-close
wm-pack-left
wm-pack-right
wm-pack-top
wm-pack-bottom
wm-toggle-maximize
wm-toggle-half-left
wm-toggle-half-right
wm-toggle-half-top
wm-toggle-half-bottom
wm-toggle-top-left
wm-toggle-top-right
wm-toggle-bottom-left
wm-toggle-bottom-right
wm-set-workspace
wm-set-focused-client-workspace
wm-client-monitor-prev
wm-client-monitor-next
wm-run
wm-quit))
;; Configuration record
(define-record-type <wm-config>
(make-config
inner-border-width
outer-border-width
magnet-border-width
offset-x
offset-y
offset-width
offset-height
focused-color
unfocused-color
unkillable-color
empty-color
outer-color)
wm-config?
(inner-border-width config-inner-border-width set-config-inner-border-width!)
(outer-border-width config-outer-border-width set-config-outer-border-width!)
(magnet-border-width config-magnet-border-width set-config-magnet-border-width!)
(offset-x config-offset-x set-config-offset-x!)
(offset-y config-offset-y set-config-offset-y!)
(offset-width config-offset-width set-config-offset-width!)
(offset-height config-offset-height set-config-offset-height!)
(focused-color config-focused-color set-config-focused-color!)
(unfocused-color config-unfocused-color set-config-unfocused-color!)
(unkillable-color config-unkillable-color set-config-unkillable-color)
(empty-color config-empty-color set-config-empty-color)
(outer-color config-outer-color set-config-outer-color))
;; Misc. utility functions
(define (uint8-as-bool i)
(not (eq? 0 i)))
;; Link to schewm shared lib
(define libschewm (dynamic-link "libschewm"))
;; Helper to easily define calls into schewm C code
(define (schewm-func return-type name args)
(pointer->procedure
return-type
(dynamic-func name libschewm)
args))
(define c/wm-init
(schewm-func uint8 "wm_init" '()))
(define (wm-init)
(uint8-as-bool (c/wm-init)))
(define wm-quit
(schewm-func void "wm_quit" '()))
(define wm-run
(schewm-func void "wm_run" '()))
(define c/parse-color
(schewm-func uint32 "parse_color" (list '*)))
(define (parse-color s)
(c/parse-color (string->pointer s)))
(define c/wm-reconfigure
(schewm-func void
"wm_reconfigure"
(list uint16
uint16
uint16
int16
int16
uint16
uint16
uint32
uint32
uint32
uint32
uint32)))
(define (wm-reconfigure config)
(c/wm-reconfigure (config-inner-border-width config)
(config-outer-border-width config)
(config-magnet-border-width config)
(config-offset-x config)
(config-offset-y config)
(config-offset-width config)
(config-offset-height config)
(parse-color (config-focused-color config))
(parse-color (config-unfocused-color config))
(parse-color (config-unkillable-color config))
(parse-color (config-empty-color config))
(parse-color (config-outer-color config))))
(define wm-focus-prev
(schewm-func void "wm_focus_prev" '()))
(define wm-focus-next
(schewm-func void "wm_focus_next" '()))
(define wm-focus-close
(schewm-func void "wm_focus_close" '()))
(define wm-pack-left
(schewm-func void "wm_pack_left" '()))
(define wm-pack-right
(schewm-func void "wm_pack_right" '()))
(define wm-pack-top
(schewm-func void "wm_pack_top" '()))
(define wm-pack-bottom
(schewm-func void "wm_pack_bottom" '()))
(define wm-toggle-maximize
(schewm-func void "wm_toggle_maximize" '()))
(define wm-toggle-half-left
(schewm-func void "wm_toggle_half_left" '()))
(define wm-toggle-half-right
(schewm-func void "wm_toggle_half_right" '()))
(define wm-toggle-half-top
(schewm-func void "wm_toggle_half_top" '()))
(define wm-toggle-half-bottom
(schewm-func void "wm_toggle_half_bottom" '()))
(define wm-toggle-top-left
(schewm-func void "wm_toggle_top_left" '()))
(define wm-toggle-top-right
(schewm-func void "wm_toggle_top_right" '()))
(define wm-toggle-bottom-left
(schewm-func void "wm_toggle_bottom_left" '()))
(define wm-toggle-bottom-right
(schewm-func void "wm_toggle_bottom_right" '()))
(define wm-set-workspace
(schewm-func void
"wm_set_workspace"
(list uint32)))
(define wm-set-focused-client-workspace
(schewm-func void
"wm_set_focused_client_workspace"
(list uint32)))
(define wm-client-monitor-prev
(schewm-func void "wm_client_monitor_prev" '()))
(define wm-client-monitor-next
(schewm-func void "wm_client_monitor_next" '()))
(define c/keysym-from-str
(schewm-func uint32
"keysym_from_str"
(list '*)))
(define (string->key s)
(c/keysym-from-str (string->pointer s)))
(define (make-key key)
(list #f (string->key key)))
(define (make-shift-key key)
(list #t (string->key key)))
(define c/wm-grab-key-with-mod
(schewm-func void "wm_grab_key_with_mod"
(list uint32 '*)))
(define (wm-grab-key-with-mod key proc)
(c/wm-grab-key-with-mod key (procedure->pointer void proc '())))
(define c/wm-grab-key-with-mod-shift
(schewm-func void "wm_grab_key_with_mod_shift"
(list uint32 '*)))
(define (wm-grab-key-with-mod-shift key proc)
(c/wm-grab-key-with-mod-shift key (procedure->pointer void proc '())))
(define (wm-grab-keys keybindings)
(unless (null? keybindings)
(let ((keybinding (car keybindings)))
(match keybinding
(((with-shift key) . func)
(if with-shift
(wm-grab-key-with-mod-shift key func)
(wm-grab-key-with-mod key func))))
(wm-grab-keys (cdr keybindings)))))
(define c/wm-set-key-press-handler
(schewm-func void
"wm_set_key_press_handler"
(list '*)))
(define (wm-set-key-press-handler! handler)
;; Event handler args are:
;; - mod (`ev.state' clean from noise, uint16)
;; - keysym (`ev.detail' converted to keysym, uint32)
(c/wm-set-key-press-handler
(procedure->pointer void
handler
(list uint16 uint32))))
(define (wm-exec-cmd . args)
(when (eq? (primitive-fork) 0)
(apply execlp (cons (car args) args))))
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