X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2FmatitaGtkMisc.mli;fp=matita%2FmatitaGtkMisc.mli;h=0f78a4a61b45eadaa1a4cfe51e12e75ee9405765;hp=0000000000000000000000000000000000000000;hb=f61af501fb4608cc4fb062a0864c774e677f0d76;hpb=58ae1809c352e71e7b5530dc41e2bfc834e1aef1

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+(* Copyright (C) 2004-2005, HELM Team.
+ * 
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ * 
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * HELM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA  02111-1307, USA.
+ * 
+ * For details, see the HELM World-Wide-Web page,
+ * http://helm.cs.unibo.it/
+ *)
+
+(** {2 Gtk helpers} *)
+
+  (** given a window and a check menu item it links the two so that the former
+   * is only hidden on delete and the latter toggle show/hide of the former *)
+val toggle_window_visibility:
+  window:GWindow.window -> check:GMenu.check_menu_item -> unit
+  
+  (** given a window and a check menu item it links the two so that the former
+   * is only hidden on delete and the latter toggle show/hide of the former *)
+val toggle_widget_visibility:
+  widget:GObj.widget -> check:GMenu.check_menu_item -> unit
+
+val toggle_callback:
+  callback:(bool -> unit) -> check:GMenu.check_menu_item -> unit
+  
+val toggle_win:
+  ?check:GMenu.check_menu_item -> GWindow.window -> unit -> unit
+
+val add_key_binding: Gdk.keysym -> (unit -> 'a) -> GBin.event_box -> unit
+
+(** Connect a callback to the clicked signal of a button, ignoring its return
+  * value *)
+val connect_button: #GButton.button -> (unit -> unit) -> unit
+
+
+(** Connect a callback to the toggled signal of a button, ignoring its return
+  * value *)
+val connect_toggle_button: #GButton.toggle_button -> (unit -> unit) -> unit
+
+(** Like connect_button above, but connects a callback to the activate signal of
+  * a menu item *)
+val connect_menu_item: #GMenu.menu_item -> (unit -> unit) -> unit
+
+  (** connect a unit -> unit callback to a particular key press event. Event can
+  * be specified using its keysym and a list of modifiers which must be in
+  * effect for the callback to be executed. Further signal processing of other
+  * key press events remains unchanged; further signal processing of the
+  * specified key press depends on the stop parameter *)
+val connect_key:
+  GObj.event_ops ->
+  ?modifiers:Gdk.Tags.modifier list ->
+  ?stop:bool ->     (* stop signal handling when the given key has been pressed?
+                     * Defaults to false *)
+  Gdk.keysym ->     (* (= int) the key, see GdkKeysyms.ml *)
+  (unit -> unit) -> (* callback *)
+    unit
+
+  (** n-ary string column list *)
+class multiStringListModel:
+  cols:int ->
+  GTree.view ->
+  object
+    method list_store: GTree.list_store (** list_store forwarding *)
+
+    method easy_mappend:     string list -> unit        (** append + set *)
+    method easy_minsert:     int -> string list -> unit (** insert + set *)
+    method easy_mselection:  unit -> string list list
+  end
+  
+  (** single string column list *)
+class stringListModel:
+  GTree.view ->
+  object
+    inherit multiStringListModel
+
+    method easy_append:     string -> unit        (** append + set *)
+    method easy_insert:     int -> string -> unit (** insert + set *)
+    method easy_selection:  unit -> string list
+  end
+  
+
+  (** as above with Pixbuf associated to each row. Each time an insert is
+   * performed a string tag should be specified, the corresponding pixbuf in the
+   * tags associative list will be shown on the left of the inserted row *)
+class taggedStringListModel:
+  tags:((string * GdkPixbuf.pixbuf) list) ->
+  GTree.view ->
+  object
+    method list_store: GTree.list_store (** list_store forwarding *)
+
+    method easy_append:     tag:string -> string -> unit
+    method easy_insert:     int -> tag:string -> string -> unit
+    method easy_selection:  unit -> string list
+  end
+
+(** {2 Matita GUI components} *)
+
+class type gui =
+  object  (* minimal gui object requirements *)
+    method newUriDialog:          unit -> MatitaGeneratedGui.uriChoiceDialog
+    method newConfirmationDialog: unit -> MatitaGeneratedGui.confirmationDialog
+    method newEmptyDialog:        unit -> MatitaGeneratedGui.emptyDialog
+  end
+
+  (** {3 Dialogs}
+   * In functions below:
+   * @param title window title
+   * @param message content of the text label shown to the user *)
+
+  (** @param parent to center the window on it *)
+val ask_confirmation:
+  title:string -> message:string -> 
+  ?parent:#GWindow.window_skel ->
+  unit ->
+    [`YES | `NO | `CANCEL]
+
+  (** @param multiline (default: false) if true a TextView widget will be used
+  * for prompting the user otherwise a TextEntry widget will be
+  * @return the string given by the user *)
+val ask_text:
+  gui:#gui ->
+  ?title:string -> ?message:string ->
+  ?multiline:bool -> ?default:string -> unit ->
+    string
+
+val report_error:
+  title:string -> message:string -> 
+  ?parent:#GWindow.window_skel ->
+  unit ->
+    unit
+
+    (* given an utf8 string a floc returns the parsed substring and its length
+     * in bytes *)
+val utf8_parsed_text: string -> Stdpp.location -> string * int
+
+    (* the length in characters, not bytes *)
+val utf8_string_length: string -> int
+
+