annotate src/scrollbar-gtk.h @ 5585:86d6adeb1cf4

Refactor check for Xaw3d.
author Stephen J. Turnbull <stephen@xemacs.org>
date Fri, 14 Oct 2011 03:54:46 +0900
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1 /* Define Gtk-specific 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 3 of the License, or (at your
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9 option) any 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. If not, see <http://www.gnu.org/licenses/>. */
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18
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19 /* Synched up with: Not in FSF. */
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20
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21 #ifndef _XEMACS_SCROLLBAR_GTK_H_
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22 #define _XEMACS_SCROLLBAR_GTK_H_
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23
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24 #if defined (HAVE_GTK) && defined (HAVE_SCROLLBARS)
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25
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26 #include "scrollbar.h"
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27
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28 typedef struct _scrollbar_values
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29 {
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30 int line_increment;
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31 int page_increment;
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32
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33 int minimum;
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34 int maximum;
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35
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36 int slider_size;
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37 int slider_position;
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38
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39 int scrollbar_width, scrollbar_height;
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40 int scrollbar_x, scrollbar_y;
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41 } scrollbar_values;
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42
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43 struct gtk_scrollbar_data
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44 {
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45 /* Unique scrollbar identifier and name. */
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46 unsigned int id;
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47
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48 /* Is set if we have already set the backing_store attribute correctly */
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49 char backing_store_initialized;
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50
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51 /* Positioning and sizing information for scrollbar and slider. */
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52 scrollbar_values pos_data;
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53
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54 /* Pointer to the scrollbar widget this structure describes. */
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55 GtkWidget *widget;
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56
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57 gfloat last_value;
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58
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59 /* Recorded starting position for Motif-like scrollbar drags. */
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60 int vdrag_orig_value;
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fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
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61 Charbpos vdrag_orig_window_start;
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62 };
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63
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64 #define SCROLLBAR_GTK_DATA(i) ((struct gtk_scrollbar_data *) ((i)->scrollbar_data))
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65
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66 #define SCROLLBAR_GTK_ID(i) (SCROLLBAR_GTK_DATA (i)->id)
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67 #define SCROLLBAR_GTK_BACKING_STORE_INITIALIZED(i) \
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68 (SCROLLBAR_GTK_DATA (i)->backing_store_initialized)
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69 #define SCROLLBAR_GTK_POS_DATA(i) (SCROLLBAR_GTK_DATA (i)->pos_data)
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70 #define SCROLLBAR_GTK_WIDGET(i) (SCROLLBAR_GTK_DATA (i)->widget)
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71 #define SCROLLBAR_GTK_LAST_VALUE(i) SCROLLBAR_GTK_DATA (i)->last_value
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72
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73 #define SCROLLBAR_GTK_VDRAG_ORIG_VALUE(i) \
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74 (SCROLLBAR_GTK_DATA (i)->vdrag_orig_value)
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75 #define SCROLLBAR_GTK_VDRAG_ORIG_WINDOW_START(i) \
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76 (SCROLLBAR_GTK_DATA (i)->vdrag_orig_window_start)
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77
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78 void gtk_update_frame_scrollbars (struct frame *f);
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79 void gtk_set_scrollbar_pointer (struct frame *f, Lisp_Object cursor);
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80
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81 #endif /* HAVE_GDK and HAVE_SCROLLBARS */
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82 #endif /* _XEMACS_SCROLLBAR_GTK_H_ */