starting again
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913050835b
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26dfaeb152
379
just/just.fnl
379
just/just.fnl
@ -3,6 +3,7 @@
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(local { : Gtk : Gdk : WebKit2 : cairo } lgi)
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(local {: view} (require :fennel))
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(local cache-dir (.. (os.getenv "HOME") "/.cache/just"))
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@ -16,239 +17,88 @@
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(.. cache-dir "/cookies.db")
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WebKit2.CookiePersistentStorage.SQLITE))
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(fn event-bus []
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(let [subscriptions {}
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vivify (fn [n v]
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(tset n v (or (. n v) []))
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(. n v))]
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{
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:subscribe (fn [self event-name handler]
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(table.insert (vivify subscriptions event-name) handler))
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:publish (fn [self sender event-name payload]
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(each [_ handler (pairs (. subscriptions event-name))]
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(handler sender payload)))
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:unsubscribe (fn [self event-name handler]
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(table.remove (. subscriptions event-name) handler))
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}))
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(local
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Webview
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{
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:new
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#(let [listeners {}
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notify-listeners (fn [self pspec]
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(let [n pspec.name
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funs (. listeners n)]
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(when funs
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(each [_ f (ipairs funs)]
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(f (. self n))))))
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widget (WebKit2.WebView {
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:on_notify
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#(notify-listeners $1 $2)
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})]
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;;(load-adblocks webview.user_content_manager content-filter-store)
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{
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:listen (fn [self event-name fun]
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(let [funs (or (. listeners event-name) [])]
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(table.insert funs fun)
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(tset listeners event-name funs)))
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:visit (fn [self url]
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(widget:load_uri url))
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:stop-loading #(widget:stop_loading)
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:refresh #(widget:reload)
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:go-back #(and (widget:can_go_back) (widget:go_back))
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:widget widget
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})
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})
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(fn named-image [name size]
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(Gtk.Image.new_from_icon_name
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name
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(or size Gtk.IconSize.LARGE_TOOLBAR)))
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(fn load-easylist-json [store cb]
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(print "loading easylist from json")
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(with-open [f (io.open "easylist_min_content_blocker.json" "r")]
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(let [blocks (f:read "*a")]
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(store:save "easylist"
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(lgi.GLib.Bytes blocks)
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nil
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(fn [self res]
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(cb (store:save_finish res)))))))
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(local
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Navbar
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{
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:new
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(fn [webview]
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(let [url (Gtk.Entry {
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;; :completion (Gtk.EntryCompletion {:model completions :text_column 0 })
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:on_activate
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#(webview:visit $1.text)
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})
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stop (doto (Gtk.Button {
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:on_clicked #(webview:stop-loading)
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})
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(: :set_image (named-image "process-stop")))
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refresh (doto (Gtk.Button {
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:on_clicked #(webview:refresh)
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})
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(: :set_image (named-image "view-refresh")))
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show-tabs (Gtk.Button {
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:label "><"
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; :on_clicked #(views:show-tab-overview)
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})
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back (doto
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(Gtk.Button {
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:on_clicked #(webview:go-back)
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})
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(: :set_image (named-image "go-previous")))
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widget (Gtk.Box {
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:orientation Gtk.Orientation.HORIZONTAL
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})
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]
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(widget:pack_start back false false 2)
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(widget:pack_start refresh false false 2)
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(widget:pack_start stop false false 2)
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(widget:pack_start url true true 2)
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(widget:pack_end show-tabs false false 2)
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(fn load-adblocks [content-manager store]
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(store:fetch_identifiers
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nil
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(fn [self res]
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(let [ids (store:fetch_identifiers_finish res)
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found (icollect [_ id (pairs ids)] (= id "easylist"))]
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(if (> (# found) 0)
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(store:load "easylist" nil
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(fn [self res]
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(content-manager:add_filter
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(store:load_finish res))))
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(load-easylist-json
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store
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(fn [filter]
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(content-manager:add_filter filter))))))))
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(webview:listen :uri #(url:set_text $1))
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(let [css "
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progress, trough {
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max-height: 6px;
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color: #4444bb;
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}
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"
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style_provider (Gtk.CssProvider)]
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(style_provider:load_from_data css)
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(Gtk.StyleContext.add_provider_for_screen
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(lgi.Gdk.Screen.get_default)
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style_provider
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Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION
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))
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{
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:widget widget
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}))
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})
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(fn handle-webview-properties [self pspec bus]
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(match pspec.name
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"uri"
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(bus:publish self :url-changed self.uri)
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"title"
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(if (> (self.title:len) 0)
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(bus:publish self :title-changed self.title))
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"estimated-load-progress"
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(bus:publish self :loading-progress self.estimated_load_progress)
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"is-loading"
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(bus:publish self (if self.is_loading :start-loading :stop-loading))
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))
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(fn new-webview [bus]
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(let [webview (WebKit2.WebView {
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:on_notify
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#(handle-webview-properties $1 $2 bus)
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})]
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(load-adblocks webview.user_content_manager content-filter-store)
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webview))
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(fn scale-surface [source]
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(let [image-width 300
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image-height 200
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scaled (cairo.ImageSurface.create
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cairo.Format.ARGB32
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image-width image-height)
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ctx (cairo.Context.create scaled)
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source-width (cairo.ImageSurface.get_width source)
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source-height (cairo.ImageSurface.get_height source)
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scale (/ image-width source-width)]
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;; XXX do we need to destroy this context? the example
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;; in C called cairo_destroy(cr), but I haven't found a
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;; gi equivalent
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(doto ctx
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(: :scale scale scale)
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(: :set_source_surface source 0 0)
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(: :paint))
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scaled))
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(fn load-webview-thumbnail [button webview]
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(webview:get_snapshot
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WebKit2.SnapshotRegion.VISIBLE
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WebKit2.SnapshotOptions.NONE
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nil
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(fn [self res]
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(let [surface (webview:get_snapshot_finish res)
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scaled (scale-surface surface)
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img (doto (Gtk.Image) (: :set_from_surface scaled))]
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(button:set_image img)))))
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(fn connect-swipe-gesture [widget bus index]
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(Gtk.GestureSwipe {
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:widget widget
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:on_update
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(fn [self]
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(self:set_state Gtk.EventSequenceState.CLAIMED))
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:on_swipe
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(fn [self x y]
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(if (and (< 700 x) (< y 700))
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(bus:publish self :close-tab index)
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(self:set_state Gtk.EventSequenceState.DENIED))
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true)
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}))
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(fn update-tab-overview [bus tabs scrolledwindow]
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(let [box (Gtk.Box {
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:orientation Gtk.Orientation.VERTICAL
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})]
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(each [_ w (ipairs (scrolledwindow:get_children))]
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(scrolledwindow:remove w))
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(box:add (Gtk.Label { :label "Open tabs" }))
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(each [i w (pairs tabs)]
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(when (> i 0)
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(box:pack_start
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(doto (Gtk.Button {
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:image-position Gtk.PositionType.TOP
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:on_clicked
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#(bus:publish $1 :switch-tab i)
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})
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(connect-swipe-gesture bus i)
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(load-webview-thumbnail w))
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false false 5)))
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(box:pack_start (Gtk.Button
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{
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:label " + "
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:width 300
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:height 200
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:on_clicked #(bus:publish $1 :new-tab)
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})
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false false 5)
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(scrolledwindow:add box)
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(scrolledwindow:show_all)
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))
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(fn pane-cave [bus]
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(let [tabs {}
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widget (Gtk.Notebook {
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:show_tabs false
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:on_switch_page
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(fn [self page num]
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(when (= num 0)
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(update-tab-overview bus tabs page)))
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})
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add-page (fn [v]
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(let [i (widget:append_page v)]
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(tset tabs i v)
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(v:show)
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(set widget.page i)
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v))
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new-tab (fn [self]
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(let [v (add-page (new-webview bus))]
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(v:load_uri "about:blank")
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v))
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tab-overview (Gtk.ScrolledWindow)
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current #(. tabs widget.page)]
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(bus:subscribe :fetch #(match (current) c (c:load_uri $2)))
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(bus:subscribe :stop-loading
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#(match (current) c (c:stop_loading)))
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(bus:subscribe :reload
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#(match (current) c (c:reload)))
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(bus:subscribe :go-back
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#(match (current) c (and (c:can_go_back) (c:go_back))))
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(bus:subscribe :new-tab new-tab)
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(bus:subscribe :switch-tab
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(fn [sender index]
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(widget:set_current_page index)
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(let [tab (. tabs index)]
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(when (and tab tab.uri tab.title)
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(bus:publish tab :url-changed tab.uri)
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(bus:publish tab :title-changed tab.title)
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))))
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(bus:subscribe :close-tab
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(fn [sender i]
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(tset tabs i nil)
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(update-tab-overview bus tabs tab-overview)
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(widget:set_current_page 0)))
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(add-page tab-overview)
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{
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:new-tab new-tab
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:current-tab current
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:widget widget
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:show-tab-overview (fn []
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(widget:set_current_page 0)
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(bus:publish tab-overview :url-changed false)
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(bus:publish tab-overview :title-changed "Open tabs"))
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}))
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(local completions
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(doto (Gtk.ListStore)
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(: :set_column_types [lgi.GObject.Type.STRING])))
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(fn add-autocomplete-suggestion [url]
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(completions:append [url]))
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(let [bus (event-bus)
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window (Gtk.Window {
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(let [window (Gtk.Window {
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:title "Just browsing"
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:default_width 360
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:default_height 720
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@ -257,87 +107,16 @@ progress, trough {
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container (Gtk.Box {
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:orientation Gtk.Orientation.VERTICAL
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})
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nav-bar (Gtk.Box {
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:orientation Gtk.Orientation.HORIZONTAL
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})
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progress-bar (Gtk.ProgressBar {
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:orientation Gtk.Orientation.HORIZONTAL
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:fraction 1.0
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:margin 0
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})
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url (Gtk.Entry {
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:completion (Gtk.EntryCompletion {:model completions :text_column 0 })
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:on_activate
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(fn [self] (bus:publish self :fetch self.text))
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})
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stop (doto (Gtk.Button {
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:on_clicked #(bus:publish $1 :stop-loading)
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})
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(: :set_image (named-image "process-stop")))
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refresh (doto (Gtk.Button {
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:on_clicked #(bus:publish $1 :reload)
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})
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(: :set_image (named-image "view-refresh")))
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views (pane-cave bus)
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show-tabs (Gtk.Button {
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:label "><"
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:on_clicked #(views:show-tab-overview)
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})
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back (doto
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(Gtk.Button {
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:on_clicked #(bus:publish $1 :go-back)
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})
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(: :set_image (named-image "go-previous")))
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visible? (fn [tab]
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(= (views:current-tab) tab))]
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webview (Webview.new)
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navbar (Navbar.new webview)
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]
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(bus:subscribe :url-changed
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#(when (visible? $1)
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(doto url
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(: :set_text (or $2 ""))
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(: :set_editable (and $2 true)))))
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(bus:subscribe :title-changed
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#(when (visible? $1)
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(window:set_title
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(.. $2 " - Just browsing"))))
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(bus:subscribe :loading-progress
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#(when (visible? $1)
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(tset progress-bar :fraction $2)))
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(bus:subscribe :start-loading
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#(when (visible? $1)
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(stop:show) (refresh:hide)))
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(bus:subscribe :stop-loading
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#(when (visible? $1)
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(stop:hide) (refresh:show)))
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(each [_ url (ipairs arg)]
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(views:new-tab))
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(nav-bar:pack_start back false false 2)
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(nav-bar:pack_start refresh false false 2)
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(nav-bar:pack_start stop false false 2)
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(nav-bar:pack_start url true true 2)
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(nav-bar:pack_end show-tabs false false 2)
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(container:pack_start nav-bar false false 5)
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(container:pack_start progress-bar false false 0)
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(container:pack_start views.widget true true 5)
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(container:pack_start navbar.widget false false 0)
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(container:pack_start webview.widget true true 0)
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(window:add container)
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(window:show_all)
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(bus:subscribe :fetch #(add-autocomplete-suggestion $2))
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(each [i url (ipairs arg)]
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(lgi.GLib.timeout_add_seconds
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0
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(* 2 i)
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(fn []
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(bus:publish window :switch-tab i)
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(bus:publish window :fetch url)
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false))))
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(webview:visit "https://terse.telent.net/")
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(window:show_all))
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(Gtk.main)
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