1/* Part of XPCE --- The SWI-Prolog GUI toolkit 2 3 Author: Jan Wielemaker and Anjo Anjewierden 4 E-mail: jan@swi.psy.uva.nl 5 WWW: http://www.swi.psy.uva.nl/projects/xpce/ 6 Copyright (c) 1985-2002, University of Amsterdam 7 All rights reserved. 8 9 Redistribution and use in source and binary forms, with or without 10 modification, are permitted provided that the following conditions 11 are met: 12 13 1. Redistributions of source code must retain the above copyright 14 notice, this list of conditions and the following disclaimer. 15 16 2. Redistributions in binary form must reproduce the above copyright 17 notice, this list of conditions and the following disclaimer in 18 the documentation and/or other materials provided with the 19 distribution. 20 21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 25 COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 29 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31 ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 POSSIBILITY OF SUCH DAMAGE. 33*/ 34 35:- module(emacs_buffer_menu, []). 36:- use_module(library(pce)). 37:- use_module(library(persistent_frame)). 38:- require([ send_list/3 39 ]). 40 41:- pce_autoload(tool_bar, library(toolbar)). 42 43resource(open, image, image('16x16/open.xpm')). 44resource(saveall, image, image('16x16/saveall.xpm')). 45resource(help, image, image('16x16/help.xpm')). 46resource(bookmarks, image, image('16x16/bookmarks.xpm')). 47resource(buffers, image, image('32x32/buffers.xpm')). 48 49:- pce_begin_class(emacs_buffer_menu, persistent_frame, 50 "List showing all PceEmacs buffers"). 51 52class_variable(geometry, geometry, '211x190+0+125'). 53 54initialise(BM, Emacs:emacs) :-> 55 "Create menu for buffer-list":: 56 send(BM, send_super, initialise, 57 'PCE Emacs Buffers', application := Emacs), 58 send(BM, icon, resource(buffers)), 59 send(BM, name, buffer_menu), 60 send(BM, append, new(D, dialog)), 61 send(D, pen, 0), 62 send(D, gap, size(0, 3)), 63 send(D, append, new(TB, tool_bar(Emacs))), 64 send_list(TB, append, 65 [ tool_button(find_file, 66 resource(open), 67 'Open file for editing'), 68 tool_button(save_some_buffers, 69 resource(saveall), 70 'Save all modified buffers'), 71 tool_button(show_bookmarks, 72 resource(bookmarks), 73 'Show bookmarks'), 74 tool_button(help, 75 resource(help), 76 'Help on PceEmacs') 77 ]), 78 79 send(new(B, emacs_buffer_browser(Emacs)), below, D), 80 send(new(report_dialog), below, B). 81 82selection(BM, B:emacs_buffer*) :-> 83 "Select emacs buffer":: 84 get(BM, member, browser, Browser), 85 ( B == @nil 86 -> send(Browser, selection, @nil) 87 ; get(B, name, Name), 88 get(Browser, member, Name, DictItem), 89 send(Browser, insert_after, DictItem, @nil), % move to top 90 send(Browser, selection, DictItem) 91 ). 92 93:- pce_end_class(emacs_buffer_menu). 94 95:- pce_begin_class(emacs_buffer_browser, browser, 96 "Browse the emacs buffers"). 97 98initialise(B, Emacs:emacs) :-> 99 "Create for Emacs":: 100 send_super(B, initialise, 'Emacs buffers'), 101 send(B, name, browser), 102 send(B, open_message, message(@arg1?object, open)), 103 send(B, tab_stops, vector(150)), 104 send(B, attach_popup), 105 send(B, dict, Emacs?buffer_list). 106 107typed(B, Ev:event, Delegate:[bool]) :-> 108 "Map DEL and backspace to kill selected buffer":: 109 ( ( get(Ev, id, 'DEL') 110 ; get(Ev, id, backspace) 111 ), 112 get(B, selection, _) 113 -> send(B, kill_selection) 114 ; send_super(B, typed, Ev, Delegate) 115 ). 116 117kill_selection(B) :-> 118 get(B, selection, DI), 119 send(DI?object, kill). 120 121attach_popup(B) :-> 122 "Attach the popup menu":: 123 send(B, popup, new(P, popup)), 124 125 new(Buffer, @arg1?object), 126 send(P, update_message, 127 message(B, selection, @arg1)), 128 send_list(P, append, 129 [ menu_item(open_buffer, 130 message(Buffer, open)), 131 menu_item(open_new_window, 132 message(Buffer, open, @on), 133 @default, @on), 134 menu_item(identify, 135 message(Buffer, identify), 136 @default, @on), 137 menu_item(kill_buffer, 138 message(Buffer, kill)) 139 ]). 140 141 142drop_files(B, Files:chain, _At:point) :-> 143 "Drag-and-drop interface":: 144 get(B, application, Emacs), 145 send(Files, for_all, 146 message(Emacs, open_file, @arg1)). 147 148:- pce_end_class(emacs_buffer_browser). 149 150 151 152 153