annotate src/scrollbar.h @ 4477:e34711681f30

Don't determine whether to call general device-type code at startup, rather decide in the device-specific code itself. lisp/ChangeLog addition: 2008-07-07 Aidan Kehoe <kehoea@parhasard.net> Patch to make it up to the device-specific code whether various Lisp functions should be called during device creation, not relying on the startup code to decide this. Also, rename initial-window-system to initial-device-type (which makes more sense in this scheme), always set it. * startup.el (command-line): Use initial-device-type, not initial-window-system; just call #'make-device, leave the special behaviour to be done the first time a console type is initialised to be decided on by the respective console code. * x-init.el (x-app-defaults-directory): Declare that it should be bound. (x-define-dead-key): Have the macro take a DEVICE argument. (x-initialize-compose): Have the function take a DEVICE argument, and use it when checking if various keysyms are available on the keyboard. (x-initialize-keyboard): Have the function take a DEVICE argument, allowing device-specific keyboard initialisation. (make-device-early-x-entry-point-called-p): New. (make-device-late-x-entry-point-called-p): New. Rename pre-x-win-initted, x-win-initted. (make-device-early-x-entry-point): Rename init-pre-x-win, take the call to make-x-device out (it should be called from the device-creation code, not vice-versa). (make-device-late-x-entry-point): Rename init-post-x-win, have it take a DEVICE argument, use that DEVICE argument when working out what device-specific things need doing. Don't use create-console-hook in core code. * x-win-xfree86.el (x-win-init-xfree86): Take a DEVICE argument; use it. * x-win-sun.el (x-win-init-sun): Take a DEVICE argument; use it. * mule/mule-x-init.el: Remove #'init-mule-x-win, an empty function. * tty-init.el (make-device-early-tty-entry-point-called-p): New. Rename pre-tty-win-initted. (make-device-early-tty-entry-point): New. Rename init-pre-tty-win. (make-frame-after-init-entry-point): New. Rename init-post-tty-win to better reflect when it's called. * gtk-init.el (gtk-early-lisp-options-file): New. Move this path to a documented variable. (gtk-command-switch-alist): Wrap the docstring to fewer than 79 columns. (make-device-early-gtk-entry-point-called-p): New. (make-device-late-gtk-entry-point-called-p): New. Renamed gtk-pre-win-initted, gtk-post-win-initted to these. (make-device-early-gtk-entry-point): New. (make-device-late-gtk-entry-point): New. Renamed init-pre-gtk-win, init-post-gtk-win to these. Have make-device-late-gtk-entry-point take a device argument, and use it; have make-device-early-gtk-entry-point load the GTK-specific startup code, instead of doing that in C. (init-gtk-win): Deleted, functionality moved to the GTK device creation code. (gtk-define-dead-key): Have it take a DEVICE argument; use this argument. (gtk-initialize-compose): Ditto. * coding.el (set-terminal-coding-system): Correct the docstring; the function isn't broken. src/ChangeLog addition: 2008-07-07 Aidan Kehoe <kehoea@parhasard.net> Patch to make it up to the device-specific code whether various Lisp functions should be called during device creation, not relying on the startup code to decide this. Also, rename initial-window-system to initial-device-type (which makes more sense in this scheme), always set it. * redisplay.c (Vinitial_device_type): New. (Vinitial_window_system): Removed. Rename initial-window-system to initial-device type, making it a stream if we're noninteractive. Update its docstring. * device-x.c (Qmake_device_early_x_entry_point, Qmake_device_late_x_entry_point): New. Rename Qinit_pre_x_win, Qinit_post_x_win. (x_init_device): Call #'make-device-early-x-entry-point earlier, now we rely on it to find the application class and the app-defaults directory. (x_finish_init_device): Call #'make-device-late-x-entry-point with the created device. (Vx_app_defaults_directory): Always make this available, to simplify code in x-init.el. * device-tty.c (Qmake_device_early_tty_entry_point): New. Rename Qinit_pre_tty_win, rename Qinit_post_tty_win and move to frame-tty.c as Qmake_frame_after_init_entry_point. (tty_init_device): Call #'make-device-early-tty-entry-point before doing anything. * frame-tty.c (Qmake_frame_after_init_entry_point): New. * frame-tty.c (tty_after_init_frame): Have it call the better-named #'make-frame-after-init-entry-point function instead of #'init-post-tty-win (since it's called after frame, not device, creation). * device-msw.c (Qmake_device_early_mswindows_entry_point, Qmake_device_late_mswindows_entry_point): New. Rename Qinit_pre_mswindows_win, Qinit_post_mswindows_win. (mswindows_init_device): Call #'make-device-early-mswindows-entry-point here, instead of having its predecessor call us. (mswindows_finish_init_device): Call #'make-device-early-mswindows-entry-point, for symmetry with the other device types (though it's an empty function). * device-gtk.c (Qmake_device_early_gtk_entry_point, Qmake_device_late_gtk_entry_point): New. Rename Qinit_pre_gtk_win, Qinit_post_gtk_win. (gtk_init_device): Call #'make-device-early-gtk-entry-point; don't load ~/.xemacs/gtk-options.el ourselves, leave that to lisp. (gtk_finish_init_device): Call #'make-device-late-gtk-entry-point with the created device as an argument.
author Aidan Kehoe <kehoea@parhasard.net>
date Wed, 09 Jul 2008 20:46:22 +0200
parents 1e7cc382eb16
children e0db3c197671
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1 /* Define scrollbar instance.
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2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: Not in FSF. */
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22
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23 #ifndef INCLUDED_scrollbar_h_
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24 #define INCLUDED_scrollbar_h_
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25
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26 #ifdef HAVE_SCROLLBARS
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27
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28 struct scrollbar_instance
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29 {
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30 struct LCRECORD_HEADER header;
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31
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32 /* Used by the frame caches. */
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33 struct scrollbar_instance *next;
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34
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35 /* Pointer back to the mirror structure attached to. */
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36 struct window_mirror *mirror;
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37
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38 /* This flag indicates if the scrollbar is currently in use. */
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39 char scrollbar_is_active;
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40
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41 /* This flag indicates if a data parameter has changed. */
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42 char scrollbar_instance_changed;
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43
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44 /* A structure of auxiliary data specific to the device type.
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45 struct x_scrollbar_data is used for X window frames; defined in
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46 scrollbar-x.h */
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47 void *scrollbar_data;
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48 };
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49
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50 DECLARE_LRECORD (scrollbar_instance, struct scrollbar_instance);
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51 #define XSCROLLBAR_INSTANCE(x) XRECORD (x, scrollbar_instance, struct scrollbar_instance)
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52 #define wrap_scrollbar_instance(p) wrap_record (p, scrollbar_instance)
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53 #define SCROLLBAR_INSTANCEP(x) RECORDP (x, scrollbar_instance)
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54 #define CHECK_SCROLLBAR_INSTANCE(x) CHECK_RECORD (x, scrollbar_instance)
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55 #define CONCHECK_SCROLLBAR_INSTANCE(x) CONCHECK_RECORD (x, scrollbar_instance)
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56
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57 #define SCROLLBAR_INSTANCE_FRAME(inst) (inst->mirror->frame)
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58
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59 void init_frame_scrollbars (struct frame *f);
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60 void init_device_scrollbars (struct device *d);
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61 void init_global_scrollbars (struct device *d);
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62 void free_frame_scrollbars (struct frame *f);
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63 void release_window_mirror_scrollbars (struct window_mirror *mir);
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64 void update_window_scrollbars (struct window *w,
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65 struct window_mirror *mirror,
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66 int active, int horiz_only);
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67 #ifdef MEMORY_USAGE_STATS
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68 int compute_scrollbar_instance_usage (struct device *d,
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69 struct scrollbar_instance *inst,
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70 struct overhead_stats *ovstats);
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71 #endif
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72
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73 extern Lisp_Object Vscrollbar_width, Vscrollbar_height;
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74
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75 extern Lisp_Object Qscrollbar_line_up;
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76 extern Lisp_Object Qscrollbar_line_down;
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77 extern Lisp_Object Qscrollbar_page_up;
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78 extern Lisp_Object Qscrollbar_page_down;
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79 extern Lisp_Object Qscrollbar_to_top;
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80 extern Lisp_Object Qscrollbar_to_bottom;
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81 extern Lisp_Object Qscrollbar_vertical_drag;
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82
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83 extern Lisp_Object Qscrollbar_char_left;
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84 extern Lisp_Object Qscrollbar_char_right;
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85 extern Lisp_Object Qscrollbar_page_left;
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86 extern Lisp_Object Qscrollbar_page_right;
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87 extern Lisp_Object Qscrollbar_to_left;
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88 extern Lisp_Object Qscrollbar_to_right;
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89 extern Lisp_Object Qscrollbar_horizontal_drag;
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90
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91 #endif /* HAVE_SCROLLBARS */
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92
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93 #endif /* INCLUDED_scrollbar_h_ */