1 /*--------------------------------*-C-*---------------------------------*
3 *----------------------------------------------------------------------*
5 * Copyright (c) 1997,1998 mj olesen <olesen@me.QueensU.CA>
6 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org>
7 * - N*XTstep like scrollbars
8 * Copyright (c) 1999-2001 Geoff Wing <gcw@pobox.com>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *----------------------------------------------------------------------*/
25 #include "../config.h" /* NECESSARY */
26 #include "rxvt.h" /* NECESSARY */
27 #include "scrollbar.intpro" /* PROTOS for internal routines */
29 /*----------------------------------------------------------------------*/
32 * Map or unmap a scrollbar. Returns non-zero upon change of state
35 rxvt_term::scrollbar_mapping (int map)
39 #ifdef HAVE_SCROLLBARS
40 if (map && !scrollbar_visible())
47 XMapWindow(display->display, scrollBar.win);
51 else if (!map && scrollbar_visible())
54 XUnmapWindow(display->display, scrollBar.win);
62 rxvt_term::resize_scrollbar ()
64 #ifdef HAVE_SCROLLBARS
67 #define R_SCROLLBEG_XTERM 0
68 #define R_SCROLLEND_XTERM szHint.height
69 #define R_SCROLLBEG_NEXT 0
70 #define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \
72 #define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow
73 #define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \
76 #if defined(PLAIN_SCROLLBAR)
77 if (scrollBar.style == R_SB_PLAIN)
79 scrollBar.beg = R_SCROLLBEG_XTERM;
80 scrollBar.end = R_SCROLLEND_XTERM;
81 scrollBar.update = &rxvt_term::scrollbar_show_plain;
84 #if defined(XTERM_SCROLLBAR)
85 if (scrollBar.style == R_SB_XTERM)
87 scrollBar.beg = R_SCROLLBEG_XTERM;
88 scrollBar.end = R_SCROLLEND_XTERM;
89 scrollBar.update = &rxvt_term::scrollbar_show_xterm;
92 #if defined(NEXT_SCROLLBAR)
93 if (scrollBar.style == R_SB_NEXT)
95 scrollBar.beg = R_SCROLLBEG_NEXT;
96 scrollBar.end = R_SCROLLEND_NEXT;
97 scrollBar.update = &rxvt_term::scrollbar_show_next;
100 #if defined(RXVT_SCROLLBAR)
101 if (scrollBar.style == R_SB_RXVT)
103 scrollBar.beg = R_SCROLLBEG_RXVT;
104 scrollBar.end = R_SCROLLEND_RXVT;
105 scrollBar.update = &rxvt_term::scrollbar_show_rxvt;
111 /* create the scrollbar window */
112 scrollBar.win = XCreateSimpleWindow(display->display,
115 scrollbar_TotalWidth(),
119 PixColors[Color_bg]);
121 XStoreName(display->display, scrollBar.win, "scrollbar");
123 XDefineCursor(display->display, scrollBar.win, leftptr_cursor);
125 XSelectInput(display->display, scrollBar.win,
126 ExposureMask | ButtonPressMask | ButtonReleaseMask
127 | Button1MotionMask | Button2MotionMask
128 | Button3MotionMask);
129 scrollbar_ev.start (display, scrollBar.win);
137 XMapWindow (display->display, scrollBar.win);
142 * Update current scrollbar view w.r.t. slider heights, etc.
145 rxvt_term::scrollbar_show (int update)
148 #ifdef HAVE_SCROLLBARS
149 int top, bot, len, adj;
151 if (!scrollbar_visible())
156 top = (TermWin.nscrolled - TermWin.view_start);
157 bot = top + (TermWin.nrow - 1);
158 len = max((TermWin.nscrolled + (TermWin.nrow - 1)), 1);
159 adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0;
161 scrollBar.top = (scrollBar.beg + (top * scrollbar_size()) / len);
162 scrollbar_len = ((bot - top) * scrollbar_size()) / len +
163 scrollbar_minheight() + adj;
164 scrollBar.bot = (scrollBar.top + scrollbar_len);
166 if (scrollBar.top == last_top
167 && scrollBar.bot == last_bot
168 && (scrollBar.state == last_state || !scrollbar_isUpDn()))
172 ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len);
174 last_top = scrollBar.top;
175 last_bot = scrollBar.bot;
176 last_state = scrollBar.state;
183 rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness)
185 #ifdef HAVE_SCROLLBARS
189 # if defined(RXVT_SCROLLBAR)
191 # elif defined(XTERM_SCROLLBAR)
193 # elif defined(NEXT_SCROLLBAR)
195 # elif defined(PLAIN_SCROLLBAR)
201 # if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
204 # ifdef NEXT_SCROLLBAR
205 if (STRNCASECMP(scrollstyle, "next", 4) == 0)
208 # ifdef XTERM_SCROLLBAR
209 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0)
212 # ifdef PLAIN_SCROLLBAR
213 if (STRNCASECMP(scrollstyle, "plain", 5) == 0)
219 if (style == R_SB_NEXT)
220 width = SB_WIDTH_NEXT;
221 else if (style == R_SB_XTERM)
222 width = SB_WIDTH_XTERM;
223 else if (style == R_SB_PLAIN)
224 width = SB_WIDTH_PLAIN;
225 else /* if (style == R_SB_RXVT) */
226 width = SB_WIDTH_RXVT;
228 if (style != R_SB_NEXT) /* dishonour request - for now */
229 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM)
230 width = min(i, SB_WIDTH_MAXIMUM);
232 # if defined(RXVT_SCROLLBAR)
233 if (!(Options & Opt_scrollBar_floating) && style == R_SB_RXVT)
237 scrollBar.style = style;
238 scrollBar.width = width;
240 /* scrollbar_align = R_SB_ALIGN_CENTRE; */
243 if (STRNCASECMP(scrollalign, "top", 3) == 0)
244 scrollbar_align = R_SB_ALIGN_TOP;
245 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0)
246 scrollbar_align = R_SB_ALIGN_BOTTOM;
251 /*----------------------- end-of-file (C source) -----------------------*/