Mercurial > hg > xemacs-beta
annotate src/scrollbar-gtk.h @ 5486:58e320bde005
Handle redisplay edge case.
With motion events when entering a frame and the minibuffer is
active, row and column can be zero, and there aren't any runes.
| author | Mike Kupfer <mike.kupfer@xemacs.org> |
|---|---|
| date | Sat, 30 Apr 2011 13:30:47 +0900 |
| parents | 308d34e9f07d |
| children |
| rev | line source |
|---|---|
| 462 | 1 /* Define Gtk-specific scrollbar instance. |
| 2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois. | |
| 3 | |
| 4 This file is part of XEmacs. | |
| 5 | |
|
5402
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
665
diff
changeset
|
6 XEmacs is free software: you can redistribute it and/or modify it |
| 462 | 7 under the terms of the GNU General Public License as published by the |
|
5402
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
665
diff
changeset
|
8 Free Software Foundation, either version 3 of the License, or (at your |
|
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
665
diff
changeset
|
9 option) any later version. |
| 462 | 10 |
| 11 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
|
5402
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
665
diff
changeset
|
17 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 462 | 18 |
| 19 /* Synched up with: Not in FSF. */ | |
| 20 | |
| 21 #ifndef _XEMACS_SCROLLBAR_GTK_H_ | |
| 22 #define _XEMACS_SCROLLBAR_GTK_H_ | |
| 23 | |
| 24 #if defined (HAVE_GTK) && defined (HAVE_SCROLLBARS) | |
| 25 | |
| 26 #include "scrollbar.h" | |
| 27 | |
| 28 typedef struct _scrollbar_values | |
| 29 { | |
| 30 int line_increment; | |
| 31 int page_increment; | |
| 32 | |
| 33 int minimum; | |
| 34 int maximum; | |
| 35 | |
| 36 int slider_size; | |
| 37 int slider_position; | |
| 38 | |
| 39 int scrollbar_width, scrollbar_height; | |
| 40 int scrollbar_x, scrollbar_y; | |
| 41 } scrollbar_values; | |
| 42 | |
| 43 struct gtk_scrollbar_data | |
| 44 { | |
| 45 /* Unique scrollbar identifier and name. */ | |
| 46 unsigned int id; | |
| 47 | |
| 48 /* Is set if we have already set the backing_store attribute correctly */ | |
| 49 char backing_store_initialized; | |
| 50 | |
| 51 /* Positioning and sizing information for scrollbar and slider. */ | |
| 52 scrollbar_values pos_data; | |
| 53 | |
| 54 /* Pointer to the scrollbar widget this structure describes. */ | |
| 55 GtkWidget *widget; | |
| 56 | |
| 57 gfloat last_value; | |
| 58 | |
| 59 /* Recorded starting position for Motif-like scrollbar drags. */ | |
| 60 int vdrag_orig_value; | |
| 665 | 61 Charbpos vdrag_orig_window_start; |
| 462 | 62 }; |
| 63 | |
| 64 #define SCROLLBAR_GTK_DATA(i) ((struct gtk_scrollbar_data *) ((i)->scrollbar_data)) | |
| 65 | |
| 66 #define SCROLLBAR_GTK_ID(i) (SCROLLBAR_GTK_DATA (i)->id) | |
| 67 #define SCROLLBAR_GTK_BACKING_STORE_INITIALIZED(i) \ | |
| 68 (SCROLLBAR_GTK_DATA (i)->backing_store_initialized) | |
| 69 #define SCROLLBAR_GTK_POS_DATA(i) (SCROLLBAR_GTK_DATA (i)->pos_data) | |
| 70 #define SCROLLBAR_GTK_WIDGET(i) (SCROLLBAR_GTK_DATA (i)->widget) | |
| 71 #define SCROLLBAR_GTK_LAST_VALUE(i) SCROLLBAR_GTK_DATA (i)->last_value | |
| 72 | |
| 73 #define SCROLLBAR_GTK_VDRAG_ORIG_VALUE(i) \ | |
| 74 (SCROLLBAR_GTK_DATA (i)->vdrag_orig_value) | |
| 75 #define SCROLLBAR_GTK_VDRAG_ORIG_WINDOW_START(i) \ | |
| 76 (SCROLLBAR_GTK_DATA (i)->vdrag_orig_window_start) | |
| 77 | |
| 78 void gtk_update_frame_scrollbars (struct frame *f); | |
| 79 void gtk_set_scrollbar_pointer (struct frame *f, Lisp_Object cursor); | |
| 80 | |
| 81 #endif /* HAVE_GDK and HAVE_SCROLLBARS */ | |
| 82 #endif /* _XEMACS_SCROLLBAR_GTK_H_ */ |