! Copyright (C) 2010 Anton Gorenko, Philipp Brüschweiler.
! See http://factorcode.org/license.txt for BSD license.
-USING: accessors alien.accessors alien.c-types alien.data
-alien.enums alien.strings arrays ascii assocs classes.struct
-combinators combinators.short-circuit command-line destructors
-documents gdk.ffi gdk.gl.ffi glib.ffi gobject.ffi gtk.ffi
-gtk.gl.ffi io.backend.unix.multiplexers io.encodings.utf8
-io.thread kernel libc literals locals math math.bitwise
-math.order math.vectors namespaces sequences strings system
-threads ui ui.backend ui.clipboards ui.event-loop ui.gadgets
-ui.gadgets.editors ui.gadgets.line-support ui.gadgets.private
-ui.gadgets.worlds ui.gestures ui.pixel-formats
+USING: accessors alien.accessors alien.c-types alien.data alien.enums
+alien.strings arrays assocs classes.struct command-line destructors
+gdk.ffi gdk.gl.ffi glib.ffi gobject.ffi gtk.ffi gtk.gl.ffi
+io.backend.unix.multiplexers io.encodings.utf8 io.thread kernel libc
+literals locals math math.bitwise math.order math.vectors namespaces
+sequences strings system threads ui ui.backend ui.clipboards
+ui.commands ui.event-loop ui.gadgets ui.gadgets.menus
+ui.gadgets.private ui.gadgets.worlds ui.gestures ui.pixel-formats
ui.pixel-formats.private ui.private ;
RENAME: windows ui.private => ui:windows
+EXCLUDE: ui.gadgets.editors => change-caret ;
+RENAME: change-caret ui.gadgets.editors => editors:change-caret
IN: ui.backend.gtk
SINGLETON: gtk-ui-backend
TUPLE: handle ;
-TUPLE: window-handle < handle window fullscreen? im-context ;
+TUPLE: window-handle < handle window fullscreen? im-context im-menu ;
: <window-handle> ( window im-context -- window-handle )
window-handle new
: mouse-event>gesture ( event -- modifiers button loc )
[ event-modifiers ] [ button>> ] [ event-loc ] tri ;
-: gadget-location ( gadget -- loc )
- [ loc>> ] [ parent>> [ gadget-location v+ ] when* ] bi ;
-
-: focusable-editor ( world -- editor/f )
- focusable-child dup editor? [ drop f ] unless ;
-
-: get-cursor-location ( editor -- GdkRectangle )
- [ [ gadget-location ] [ caret-loc ] bi v+ first2 ]
- [ line-height ] bi 0 swap GdkRectangle <struct-boa> ;
-
-: update-im-cursor-location ( world -- )
- dup focusable-editor [
- [ handle>> im-context>> ] [ get-cursor-location ] bi*
- gtk_im_context_set_cursor_location
- ] [ drop ] if* ;
-
: on-motion ( sender event user-data -- result )
drop swap
[ GdkEventMotion memory>struct event-loc ] dip window
: key-event>gesture ( event -- mods sym/f action? )
GdkEventKey memory>struct
[ event-modifiers ] [ key-sym ] bi ;
-
-: handle-key-gesture ( key-gesture world -- )
- [ propagate-key-gesture ]
- [ update-im-cursor-location ] bi ;
-
+
: on-key-press ( sender event user-data -- result )
drop swap [ key-event>gesture <key-down> ] [ window ] bi*
- handle-key-gesture t ;
+ propagate-key-gesture t ;
: on-key-release ( sender event user-data -- result )
drop swap [ key-event>gesture <key-up> ] [ window ] bi*
- handle-key-gesture t ;
+ propagate-key-gesture t ;
: on-focus-in ( sender event user-data -- result )
2drop window focus-world t ;
f f gtk_gl_init
init-clipboard
start-ui
- f io-thread-running? set-global
+ stop-io-thread
[
init-io-event-source
init-timeout
] ui-running ;
: connect-signal-with-data ( object signal-name callback data -- )
- [ utf8 string>alien ] 2dip f 0 g_signal_connect_data drop ;
+ [ utf8 string>alien ] 2dip g_signal_connect drop ;
: connect-signal ( object signal-name callback -- )
f connect-signal-with-data ;
win "delete-event" [ on-delete yield ]
GtkWidget:delete-event connect-signal ;
-: on-retrieve-surrounding ( im-context user-data -- ? )
- window focusable-editor [| im-context editor |
- editor editor-caret first2 :> ( x y )
- im-context
- y editor editor-line utf8 string>alien
- -1 x
+! ----------------------
+
+GENERIC: support-input-methods? ( gadget -- ? )
+GENERIC: get-cursor-surrounding ( gadget -- text cursor-pos )
+GENERIC: delete-cursor-surrounding ( offset count gadget -- )
+GENERIC: set-preedit-string ( str cursor-pos gadget -- )
+GENERIC: get-cursor-loc&dim ( gadget -- loc dim )
+
+M: gadget support-input-methods? drop f ;
+
+M: editor support-input-methods? drop t ;
+
+M: editor get-cursor-surrounding
+ dup editor-caret first2 [ swap editor-line ] dip ;
+
+M: editor delete-cursor-surrounding
+ 3drop ;
+
+M: editor set-preedit-string
+ nip dup [ editor-caret ] keep
+ [ user-input* drop ] 2dip
+ set-caret ;
+
+M: editor get-cursor-loc&dim
+ [ caret-loc ] [ caret-dim ] bi ;
+
+! ----------------------
+
+: on-retrieve-surrounding ( im-context win -- ? )
+ window world-focus dup support-input-methods? [
+ get-cursor-surrounding [ utf8 string>alien -1 ] dip
gtk_im_context_set_surrounding t
- ] [ drop f ] if* ;
-
-:: on-delete-surrounding ( im-context offset n user-data -- ? )
- user-data window :> world
- world focusable-editor [| editor |
- editor editor-caret first2 :> ( x y )
- x offset + y [ 2array ] [ [ n + ] dip 2array ] 2bi
- editor remove-doc-range
- world update-im-cursor-location
- t
- ] [ f ] if* ;
+ ] [ 2drop f ] if ;
+
+: on-delete-surrounding ( im-context offset n win -- ? )
+ window world-focus dup support-input-methods?
+ [ delete-cursor-surrounding t ] [ 3drop f ] if nip ;
+
+: get-preedit-string ( im-context -- str cursor-pos )
+ { void* int } [ f swap gtk_im_context_get_preedit_string ]
+ [ [ [ utf8 alien>string ] [ g_free ] bi ] dip ]
+ with-out-parameters ;
+
+: on-preedit-changed ( im-context user-data -- )
+ window world-focus dup support-input-methods? [
+ [ get-preedit-string ] dip set-preedit-string
+ ] [ 2drop ] if ;
: on-commit ( sender str user_data -- )
- [ drop ] [ utf8 alien>string ] [ window ] tri*
- [ user-input ]
- [ [ f swap key-down boa ] dip handle-key-gesture ] 2bi ;
+ [ drop ] [ utf8 alien>string ] [ window ] tri* user-input ;
+
+: gadget-location ( gadget -- loc )
+ [ loc>> ] [ parent>> [ gadget-location v+ ] when* ] bi ;
+
+: gadget-cursor-location ( gadget -- rectangle )
+ [ gadget-location ] [ get-cursor-loc&dim ] bi [ v+ ] dip
+ [ first2 ] bi@ GdkRectangle <struct-boa> ;
+
+: update-cursor-location ( im-context gadget -- )
+ gadget-cursor-location gtk_im_context_set_cursor_location ;
! has to be called before the window signal handler
-: im-on-key-event ( sender event user-data -- result )
- [ drop ] 2dip swap gtk_im_context_filter_keypress ;
+:: im-on-key-event ( sender event im-context -- result )
+ sender window world-focus :> gadget
+ gadget support-input-methods? [
+ im-context gadget update-cursor-location
+ im-context event gtk_im_context_filter_keypress
+ ] [ im-context gtk_im_context_reset f ] if ;
: im-on-focus-in ( sender event user-data -- result )
- 2drop window
- [ handle>> im-context>> gtk_im_context_focus_in ]
- [ update-im-cursor-location ] bi f ;
+ 2drop window handle>> im-context>>
+ [ gtk_im_context_focus_in ] [ gtk_im_context_reset ] bi f ;
: im-on-focus-out ( sender event user-data -- result )
- 2drop window
- [ handle>> im-context>> gtk_im_context_focus_out ]
- [ update-im-cursor-location ] bi f ;
-
-: im-on-motion ( sender event user-data -- result )
- 2drop window update-im-cursor-location f ;
+ 2drop window handle>> im-context>>
+ [ gtk_im_context_focus_out ] [ gtk_im_context_reset ] bi f ;
: im-on-destroy ( sender user-data -- result )
nip [ f gtk_im_context_set_client_window ]
[ g_object_unref ] bi f ;
+! for testing only
+
+: com-input-method ( world -- )
+ find-world handle>> im-menu>> f f f f 0
+ gtk_get_current_event_time gtk_menu_popup ;
+
+: im-menu ( world -- )
+ { com-input-method } show-commands-menu ;
+
+editor "input-method" f {
+ { T{ button-down f { S+ C+ } 3 } im-menu }
+} define-command-map
+
+! --------
+
:: configure-im ( win im -- )
im win gtk_widget_get_window gtk_im_context_set_client_window
im f gtk_im_context_set_use_preedit
+
+ gtk_menu_new :> menu
+ im menu gtk_im_multicontext_append_menuitems
+ menu win window handle>> im-menu<<
im "commit" [ on-commit yield ]
GtkIMContext:commit win connect-signal-with-data
GtkIMContext:retrieve-surrounding win connect-signal-with-data
im "delete-surrounding" [ on-delete-surrounding yield ]
GtkIMContext:delete-surrounding win connect-signal-with-data
+ im "preedit-changed" [ on-preedit-changed yield ]
+ GtkIMContext:preedit-changed win connect-signal-with-data
win "key-press-event" [ im-on-key-event yield ]
GtkWidget:key-press-event im connect-signal-with-data
GtkWidget:focus-out-event im connect-signal-with-data
win "focus-out-event" [ im-on-focus-out yield ]
GtkWidget:focus-out-event im connect-signal-with-data
- win "motion-notify-event" [ im-on-motion yield ]
- GtkWidget:motion-notify-event connect-signal
- win "enter-notify-event" [ im-on-motion yield ]
- GtkWidget:enter-notify-event connect-signal
- win "scroll-event" [ im-on-motion yield ]
- GtkWidget:scroll-event connect-signal
win "destroy" [ im-on-destroy yield ]
GtkObject:destroy im connect-signal-with-data ;
gtk_window_set_title ;
M: gtk-ui-backend (set-fullscreen)
- [
- [ handle>> ] dip [ >>fullscreen? ] keep
- [ window>> ] dip
- [ gtk_window_fullscreen ]
- [ gtk_window_unfullscreen ] if
- ] [ drop update-im-cursor-location ] 2bi ;
+ [ handle>> ] dip [ >>fullscreen? ] keep
+ [ window>> ] dip
+ [ gtk_window_fullscreen ]
+ [ gtk_window_unfullscreen ] if ;
M: gtk-ui-backend (fullscreen?)
handle>> fullscreen?>> ;
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