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1 @comment node-name, next, previous, up | |
2 @node Windows and Menus, Edit, Entering, Top | |
3 @chapter XEmacs Windows and Menus | |
4 @cindex selected window | |
5 @cindex windows | |
6 @findex delete-window | |
7 @findex delete-other-windows | |
8 @findex scroll-other-window | |
9 | |
10 The first section of this chapter will show you how you can manipulate | |
11 XEmacs Windows and the other section will explain the Pull-down Menus of | |
12 an XEmacs window. | |
13 | |
14 @comment node-name, next, previous, up | |
15 @menu | |
16 * XEmacs Window:: Manipulating XEmacs Windows | |
17 * Pull-down Menus:: Description of XEmacs Pull-down Menus | |
18 @end menu | |
19 | |
20 @node XEmacs Window, Pull-down Menus, Windows and Menus, Windows and Menus | |
21 @section XEmacs Windows | |
22 When you use XEmacs under X, you can open multiple windows and each | |
23 window can display one buffer or multiple parts of one buffer. Each window | |
24 will have its own @dfn{mode line} and @dfn{echo area}. At any one time | |
25 there is only one @dfn{selected window} and the buffer it displays is | |
26 the @dfn{selected buffer}. There are some commands for manipulating | |
27 windows: | |
28 | |
29 @kindex C-x 0 | |
30 @kindex C-x 1 | |
31 @kindex C-x 2 | |
32 @kindex C-x 3 | |
33 @kindex C-x 4 | |
34 @kindex M-C-v | |
35 @table @kbd | |
36 @item M-C-v | |
37 @findex scroll-other-window | |
38 This command will scroll the window which is not @dfn{selected} | |
39 (@code{scroll-other-window}). | |
40 | |
41 @findex delete-window | |
42 @item C-x 0 | |
43 This command will get rid of the selected window (@code{delete-window}). | |
44 That is a zero. If there is more than one Emacs frame, deleting the | |
45 sole remaining window on that frame deletes the frame as well. If the | |
46 current frame is the only frame, it is not deleted. | |
47 | |
48 @findex delete-other-windows | |
49 @item C-x 1 | |
50 This command will get rid of all the windows except the selected one. | |
51 (@code{delete-other-windows}). For example, if you use the @b{Describe | |
52 variable} option from the @b{Help} menu, the window will split | |
53 vertically and the bottom window will contain documentation for that | |
54 variable. After you are done looking at that variable's documentation | |
55 you might want to come back to your original single window. Just type | |
56 @kbd{C-x 1} after your cursor is in the top window (the window which you | |
57 want to keep) and hit @key{RET}. | |
58 | |
59 @findex split-window-vertically | |
60 @item C-x 2 | |
61 This command will split the selected window into two windows, one above | |
62 the other (@code{split-window-vertically}). Both the windows will start | |
63 out by displaying the same buffer. The window in which you have your | |
64 cursor will be your @dfn{selected window}. | |
65 | |
66 @findex split-window-horizontally | |
67 @item C-x 3 | |
68 This will split the selected window into two windows positioned side by | |
69 side (@code{split-window-horizontally}). A line of vertical bars will | |
70 separate the window. | |
71 @end table | |
72 @noindent | |
73 | |
74 You can select a buffer in another window by using some other | |
75 commands. These commands all have a prefix key @kbd{C-x 4} | |
76 @table @kbd | |
77 @kindex C-x 4 b | |
78 @kindex C-x 4 f | |
79 @kindex C-x 4 d | |
80 @kindex C-x 4 m | |
81 @findex switch-to-buffer-other-window | |
82 @findex find-file-other-window | |
83 @findex dired-other-window | |
84 @findex mail-other-window | |
85 @item C-x 4 b @var{bufname} @key{RET} | |
86 This command will select a buffer @var{bufname} in another window. This | |
87 runs @code{switch-to-buffer-other-window}. It will prompt you for a | |
88 buffername. | |
89 | |
90 @item C-x 4 f @var{filename} @key{RET} | |
91 Visit file @var{filename} and select its buffer in another window. This | |
92 runs @code{find-file-other-window}. @xref{Visiting,,,,XEmacs | |
93 Manual}. It will prompt you for a filename. | |
94 | |
95 @item C-x 4 d @var{directory} @key{RET} | |
96 Select a Dired buffer for directory @var{directory} in another window. | |
97 This runs @code{dired-other-window}. @xref{Dired,,,,XEmacs User's | |
98 Manual}. | |
99 | |
100 @item C-x 4 m | |
101 Start composing a mail message in another window. This runs | |
102 @code{mail-other-window}, and its same-window version is @kbd{C-x m}. | |
103 @xref{Sending Mail,,,,XEmacs User's Manual}, for information on how | |
104 to @b{S}end @b{M}ail using XEmacs. @xref{Reading Mail With | |
105 Rmail,,,,XEmacs User's Manual}, for information on reading mail using | |
106 @b{Rmail}. | |
107 @end table | |
108 | |
109 | |
110 If you click the right button on the mouse on a mode line, you will | |
111 get a menu with following options: | |
112 @cindex windows | |
113 @cindex pull-down-menus | |
114 @cindex menus | |
115 @table @b | |
116 @item Delete Window | |
117 Choosing this menu will remove the window above this modeline from the frame. | |
118 @item Delete Other Windows | |
119 Delete all windows on the frame except for the one above this modeline. | |
120 @item Split Window | |
121 Split the window above the mode line in half, creating another window. | |
122 @item Split Window Horizontally | |
123 Split the window above the mode line in half horizontally, so that there | |
124 will be two windows side-by-side. | |
125 @item Balance Windows | |
126 Readjust the sizes of all windows on the frame until all windows have | |
127 roughly the same number of lines. | |
128 @end table | |
129 | |
130 | |
131 @comment node-name, next, previous, up | |
132 @node Pull-down Menus, , XEmacs Window, Windows and Menus | |
133 @section XEmacs Pull-down Menus | |
134 | |
135 When you run XEmacs under X, each Emacs frame has a menu-bar at the top | |
136 which provides commands for editing, help and other | |
137 options. All these options are also available via key commands, the | |
138 menus just provide convenient short-cuts. The key commands are displayed | |
139 right besides some of the the options. The following is a brief | |
140 description of the four default menus on the menu bar: | |
141 | |
142 @menu | |
143 * File menu:: Items on the File menu | |
144 * Edit menu:: Items on the Edit menu | |
145 * Options Menu:: Items on the Options Menu | |
146 * Buffers Menu:: Items on the Buffers Menu | |
147 * Help menu:: The Help Menu at the extreme right on | |
148 the frame | |
149 @end menu | |
150 | |
151 @node File menu, Edit menu, Pull-down Menus, Pull-down Menus | |
152 @subsection The File Menu | |
153 @cindex File menu | |
154 @cindex Open in New Frame... menu item | |
155 @cindex Open ... menu item | |
156 @cindex Insert File... menu item | |
157 @cindex Save Buffer menu item | |
158 @cindex Save Buffer As ... menu item | |
159 @cindex Revert Buffer menu item | |
160 @cindex Kill Buffer menu item | |
161 @cindex Print Buffer menu item | |
162 @cindex New Frame menu item | |
163 @cindex Delete Frame menu item | |
164 @cindex Split Frame | |
165 @cindex Un-split (Keep This) | |
166 @cindex Un-split (Keep Others) | |
167 @cindex Exit Emacs menu item | |
168 | |
169 The @b{File} menu bar contains the following items. To choose a | |
170 particular option, press the left mouse button and drag it to the item | |
171 you wish to select. Then release the button. | |
172 | |
173 @table @b | |
174 @item Open... | |
175 This option will prompt you for a file name. You will get a message in | |
176 the echo area: | |
177 | |
178 @example | |
179 Find File: | |
180 @end example | |
181 @noindent | |
182 After Find File, there might be a directory path also. After you type | |
183 the file name and press @key{RET} the file will be loaded into a new | |
184 buffer. | |
185 | |
186 @item Open in New Frame... | |
187 It prompts you for a file name and loads that file in a new buffer in | |
188 a new frame. You can open many frames for the same Emacs session. You | |
189 can delete the frame by selecting @b{Delete Frame}. | |
190 | |
191 @item Insert File... | |
192 Prompts you for a filename and inserts the contents of this filename in | |
193 your current buffer. Position your cursor at the place you wish to | |
194 insert the file and select this option. You will get the following | |
195 message in the echo area: | |
196 | |
197 @example | |
198 Insert file: | |
199 @end example | |
200 @noindent | |
201 Insert the file name and press @key{RET}. | |
202 | |
203 @item Save <Buffername> | |
204 It saves the changes you have made to the buffer. If you have made | |
205 changes which are not saved yet, the option will appear dark, otherwise | |
206 it will be light and unselectable. If you do not wish to save the | |
207 changes, select @b{Revert Buffer}. | |
208 | |
209 @item Save As... | |
210 Prompts you for a filename and saves the current buffer in that file. It | |
211 loads the new file if the filename you specify is different from the one | |
212 you were working with. | |
213 | |
214 @item Print Buffer <buffername> | |
215 Prints a hardcopy of the current or @dfn{selected} buffer. | |
216 | |
217 @item New Frame | |
218 Opens a new frame with @b{*scratch*} as the default buffer. It doesn't | |
219 prompt you for a filename. To open a file you need to go to that frame | |
220 and select @b{Open...} | |
221 | |
222 @item Split Frame | |
223 Splits the current window into two equal-sized windows with the same | |
224 buffer. To get back a single frame, select @b{Un-Split (Keep | |
225 This)}. @xref{XEmacs Window}, for more information about windows. | |
226 | |
227 @item Un-Split (Keep This) | |
228 If the frame contains multiple windows, it will remove all windows | |
229 except the selected one. | |
230 | |
231 @item Un-Split (Keep Others) | |
232 If the frame contains multiple windows, it will remove the selected | |
233 window and keep the other one. | |
234 | |
235 @item Revert Buffer <buffername> | |
236 If you do not wish to save the changes you made to the file since you | |
237 opened it, select this option. It will restore the last saved version of | |
238 the file to the current buffer. | |
239 | |
240 @item Kill Buffer <buffername> | |
241 It will kill the current buffer. If will prompt you if there are unsaved | |
242 changes. | |
243 | |
244 @item Exit Emacs | |
245 It will kill the Emacs @dfn{process} as opposed to simply killing the | |
246 @dfn{buffer}. Before it kills the process, it will prompt you as to | |
247 which unsaved buffers you wish to save by going through the list of the | |
248 buffers. | |
249 | |
250 @end table | |
251 | |
252 @comment node-name, next, previous, up | |
253 @menu | |
254 * Edit menu:: Items on the Edit Menu | |
255 * Options Menu:: Items on the Options Menu | |
256 * Buffers Menu:: Items on the Buffers Menu | |
257 * Help menu:: The Help Menu at the extreme right on | |
258 the frame | |
259 @end menu | |
260 | |
261 @node Edit menu, Options Menu, File menu, Pull-down Menus | |
262 @subsection The Edit Menu | |
263 @cindex Undo menu item | |
264 @cindex Cut menu item | |
265 @cindex Copy menu item | |
266 @cindex Paste menu item | |
267 @cindex Clear menu item | |
268 @cindex Start Macro Recording menu item | |
269 @cindex End Macro Recording menu item | |
270 @cindex Execute Last Macro menu item | |
271 | |
272 Most of the commands in this menu work on a block of text or a selected | |
273 region. The text will be highlighted as you select it. | |
274 @table @b | |
275 @item Undo | |
276 Undoes the previous command. If you type something by mistake you can | |
277 use this command. For example, if you select @b{Insert File...} from the | |
278 @b{File} menu and insert a wrong file by mistake, you can select this | |
279 item and it will remove the inserted file. It undoes a batch of text | |
280 which is worth an emacs command. | |
281 | |
282 @item Cut | |
283 Removes the selected text block from the current buffer, makes it the X | |
284 clipboard selection, and places it in the kill ring | |
285 (@pxref{Moving Text}). Before executing this command, you have to select | |
286 a region using Emacs region selection commands or with the | |
287 mouse. @xref{Selecting Text}. | |
288 | |
289 @item Copy | |
290 Makes a selected text block the X clipboard selection, and places it in | |
291 the kill ring. You can select text using one of the Emacs region | |
292 selection commands or by selecting a text region with the | |
293 mouse. @xref{Selecting Text}, for more information. | |
294 | |
295 @item Paste | |
296 Inserts the current value of the X clipboard selection in the current | |
297 buffer. Note that this is not necessarily the same as the Emacs | |
298 @code{yank} command, because the Emacs kill ring and the X clipboard | |
299 selection are not the same thing. You can paste in text you have placed | |
300 in the clipboard using @b{Copy} or @b{Cut}. You can also use @b{Paste} | |
301 to insert text that was pasted into the clipboard from other | |
302 applications. @xref{X Clipboard Selection,,,,XEmacs User's Manual}, | |
303 for information on using Clipboard Selection. | |
304 | |
305 @item Clear | |
306 Removes the selected text block from the current buffer but does not | |
307 place it in the kill ring or the X clipboard selection. You will not be | |
308 able to get this text back. | |
309 | |
310 @item Start Macro Recording | |
311 After selecting this, Emacs will remember every keystroke you type until | |
312 @b{End Macro Recording} is selected. | |
313 | |
314 @item End Macro Recording | |
315 Selecting this tells emacs to stop remembering your keystrokes. | |
316 | |
317 @item Execute Last Macro | |
318 Selecting this item will cause emacs to re-interpret all of the | |
319 keystrokes which were saved between selections of the @b{Start Macro | |
320 Recording} and @b{End Macro Recording} menu items. You can now execute | |
321 the most recent keyboard macro. @xref{Keyboard Macros,,,,XEmacs | |
322 Reference Manual}, for further information. | |
323 @end table | |
324 | |
325 @comment node-name, next, previous, up | |
326 @node Options Menu, Buffers Menu, Edit menu, Pull-down Menus | |
327 @subsection The Options Menu | |
328 @cindex Options menu | |
329 @cindex Read Only menu item | |
330 @cindex Case Sensitive Search menu item | |
331 @cindex Overstrike menu item | |
332 @cindex Auto Delete Selection menu item | |
333 @cindex Teach Extended Commands menu item | |
334 @cindex Syntax Highlighting menu item | |
335 @cindex Paren Highlighting menu item | |
336 @cindex Font menu item | |
337 @cindex Size menu item | |
338 @cindex Weight menu item | |
339 @cindex Buffers Menu Length... menu item | |
340 @cindex Buffers Sub-Menus menu item | |
341 @cindex Save Options | |
342 | |
343 There are sub-menus for some of the menus which you will need to | |
344 select. If sub-menus exist for an item, they will be displayed | |
345 automatically when you drag the mouse on that item. The items in this | |
346 menu provide some fancy editing operations. | |
347 | |
348 @table @b | |
349 @item Read Only | |
350 Selecting this item will cause the buffer to visit the file in a | |
351 read-only mode. Changes to the file will not be allowed. | |
352 | |
353 @item Case Sensitive Search | |
354 Selecting this item will cause searches to be case-sensitive. If | |
355 its not selected then searches will ignore case. This option is | |
356 local to the buffer. For example, if this item is selected and you are | |
357 searching for @samp{Smile}, then an occurrence of @samp{smile} will not | |
358 be recognized because of the smaller case of @samp{s}. | |
359 | |
360 @item Overstrike | |
361 After selecting this item, when you type letters they will replace | |
362 existing text on a one-to-one basis, rather than pushing it to the | |
363 right. At the end of a line, such characters extend the line. Before | |
364 a tab, such characters insert until the tab is filled in. | |
365 | |
366 @item Auto Delete Selection | |
367 Selecting this item will cause automatic deletion of the selected | |
368 region. After you select a region and hit the @key{RET} key, the | |
369 selected text will be deleted. The typed text will replace the selection | |
370 if the selection is active (i.e. if its highlighted). If the option is | |
371 not selected then the typed text is just inserted at the cursor. | |
372 | |
373 @item Teach Extended Commands | |
374 After you select this item, any time you execute a command with | |
375 @kbd{M-x} which has a shorter keybinding, you will be shown the | |
376 alternate binding before the command executes. For example if you type | |
377 @kbd{M-x find-file-other-window} which performs the same function as the | |
378 @b{Open in New Frame...} in @b{File} menu you will see the following | |
379 message: | |
380 | |
381 @example | |
382 M-x find-file-other-frame (bound to keys: C-x 4 f, C-x 4 C-f) | |
383 @end example | |
384 | |
385 @item Syntax Highlighting | |
386 You can customize your @code{.emacs} file to include the font-lock mode | |
387 so that when you select this item, the comments will be displayed in one | |
388 face, strings in another, reserved words in another, and so | |
389 on. @xref{Customization,,,,XEmacs User's Manual}, for more | |
390 information on customizing @code{.emacs} file. After selecting this | |
391 item, you will find your code a lot easier to read. When @b{Fonts} is | |
392 selected, different parts of the program will appear in different | |
393 Fonts. When @b{Colors} is selected, then the program will be displayed | |
394 in different colors. Selecting @b{None} causes the program to appear in | |
395 just one Font and Color. Selecting @b{Less} resets the Fonts and Colors | |
396 to a fast, minimal set of decorations. Selecting @b{More} resets the | |
397 Fonts and Colors to a larger set of decorations. For example, if | |
398 @b{Less} is selected (which is the default setting) then you might have | |
399 all comments in green color. It does not matter what the comments | |
400 contain. Whereas, if @b{More} is selected then a function name in the | |
401 comments themselves might appear in a different Color or Font. Even | |
402 though the comments themselves might appear in green color, a function | |
403 name @dfn{within} the comments might appear in red color. | |
404 | |
405 @item Paren Highlighting | |
406 After selecting @b{Blink} from this item, if you place the cursor | |
407 on a parenthesis, the matching parenthesis will blink. If you select | |
408 @b{Highlight} and place the cursor on a parenthesis, the whole | |
409 expression of the parenthesis under the cursor will be highlighted. | |
410 Selecting @b{None} will turn off the options (regarding @b{Paren | |
411 Highlighting}) which you had selected earlier.@refill | |
412 | |
413 @item Font | |
414 You can select any Font for your program by choosing from one of the | |
415 available Fonts. The whole buffer will be converted to the Font you select. | |
416 | |
417 @item Size | |
418 You can select any size for the text in your buffer (ranging from @b{2} to @b{24}) by selecting the appropriate option.@refill | |
419 | |
420 @item Weight | |
421 You can choose either @b{Bold} or @b{Medium} for the weight of the text | |
422 of your buffer. | |
423 | |
424 @item Buffers Menu Length... | |
425 Prompts you for the number of buffers to display. Then it will display | |
426 that number of most recently selected buffers. | |
427 | |
428 @item Buffers Sub-Menus | |
429 After selection of this item the Buffers menu will contain several | |
430 commands, as submenus of each buffer line. If this item is unselected, | |
431 then there are no submenus for each buffer line, the only command | |
432 available will be selecting that buffer. | |
433 | |
434 @item Save Options | |
435 Selecting this item will save the current settings of your Options | |
436 menu to your @code{.emacs} file so that the next time you start XEmacs, | |
437 you won't need to select the options again. | |
438 @end table | |
439 | |
440 | |
441 @comment node-name, next, previous, up | |
442 @node Buffers Menu, Help menu, Options Menu, Pull-down Menus | |
443 @subsection The Buffers Menu | |
444 @cindex Buffers menu | |
445 The @b{Buffers} menu provides a selection of up to ten buffers and the | |
446 item @b{List All Buffers}, which provides a Buffer List. If you select | |
447 @b{Buffers Sub-menus} from the @b{Options} menu, you will get some | |
448 sub-menus for each of the buffer listing. | |
449 | |
450 | |
451 @comment node-name, next, previous, up | |
452 @node Help menu, , Buffers Menu, Pull-down Menus | |
453 @subsection The Help Menu | |
454 @cindex Help menu | |
455 | |
456 The Help Menu gives you access to Emacs Info and provides a menu | |
457 equivalent for some of the choices you have when using @kbd{C-h}. | |
458 @xref{Help}, for more information. | |
459 | |
460 The @b{Describe variable} and @b{Describe function} will provide | |
461 documentation for the corresponding variable or function. The Help menu | |
462 also gives access to UNIX online manual pages via the @b{UNIX Manual...} | |
463 option. | |
464 | |
465 | |
466 | |
467 | |
468 | |
469 | |
470 | |
471 | |
472 |