1 /*----------------------------------------------------------------------*
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>
9 * Copyright (c) 2004-2006 Marc Lehmann <pcg@goof.com>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 *----------------------------------------------------------------------*/
26 #include "../config.h" /* NECESSARY */
27 #include "rxvt.h" /* NECESSARY */
29 /*----------------------------------------------------------------------*/
32 * Map or unmap a scrollbar. Returns non-zero upon change of state
35 scrollBar_t::map (int map)
48 XMapWindow (term->dpy, win);
55 XUnmapWindow (term->dpy, win);
63 scrollBar_t::resize ()
68 if (term->option (Opt_scrollBar_right))
69 window_sb_x = term->szHint.width - total_width ();
75 /* create the scrollbar window */
76 win = XCreateSimpleWindow (term->dpy,
82 term->pix_colors[Color_fg],
83 term->pix_colors[Color_border]);
84 XDefineCursor (term->dpy, win, leftptr_cursor);
86 XSelectInput (term->dpy, win,
87 ExposureMask | ButtonPressMask | ButtonReleaseMask
88 | Button1MotionMask | Button2MotionMask
90 term->scrollbar_ev.start (term->display, win);
95 XMoveResizeWindow (term->dpy, win,
97 total_width (), term->szHint.height);
102 XMapWindow (term->dpy, win);
106 * Update current scrollbar view w.r.t. slider heights, etc.
109 scrollBar_t::show (int refresh)
118 int sb_top = term->view_start - term->top_row;
119 int sb_bot = sb_top + (term->nrow - 1);
120 int sb_len = max (term->nrow - 1 - term->top_row, 1);
121 int sb_size = (sb_bot - sb_top) * size ();
123 top = beg + (sb_top * size ()) / sb_len;
124 bot = top + sb_size / sb_len + min_height () + (sb_size % sb_len > 0);
128 && (state == last_state
129 || !(state == STATE_UP || state == STATE_DOWN)))
133 ret = (this->*update) (refresh);
143 scrollBar_t::setup (rxvt_term *term)
147 const char *scrollalign, *scrollstyle, *thickness;
150 scrollalign = term->rs[Rs_scrollBar_align];
151 scrollstyle = term->rs[Rs_scrollstyle];
152 thickness = term->rs[Rs_scrollBar_thickness];
154 # if defined(RXVT_SCROLLBAR)
156 # elif defined(XTERM_SCROLLBAR)
158 # elif defined(NEXT_SCROLLBAR)
160 # elif defined(PLAIN_SCROLLBAR)
166 # if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
169 # ifdef NEXT_SCROLLBAR
170 if (strncasecmp (scrollstyle, "next", 4) == 0)
173 # ifdef XTERM_SCROLLBAR
174 if (strncasecmp (scrollstyle, "xterm", 5) == 0)
177 # ifdef PLAIN_SCROLLBAR
178 if (strncasecmp (scrollstyle, "plain", 5) == 0)
184 if (style == R_SB_NEXT)
185 width = SB_WIDTH_NEXT;
186 else if (style == R_SB_XTERM)
187 width = SB_WIDTH_XTERM;
188 else if (style == R_SB_PLAIN)
189 width = SB_WIDTH_PLAIN;
190 else /* if (style == R_SB_RXVT) */
191 width = SB_WIDTH_RXVT;
193 if (style != R_SB_NEXT) /* dishonour request - for now */
194 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
195 width = min (i, SB_WIDTH_MAXIMUM);
197 # ifdef RXVT_SCROLLBAR
198 if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT)
199 shadow = SHADOW_WIDTH;
205 /* align = R_SB_ALIGN_CENTRE; */
208 if (strncasecmp (scrollalign, "top", 3) == 0)
209 align = R_SB_ALIGN_TOP;
210 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
211 align = R_SB_ALIGN_BOTTOM;
213 last_bot = last_state = -1;
214 /* cursor scrollBar: Black-on-White */
215 leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr);
219 scrollBar_t::destroy ()
221 #ifdef XTERM_SCROLLBAR
222 if (xscrollbarGC) XFreeGC (term->dpy, xscrollbarGC);
223 if (ShadowGC) XFreeGC (term->dpy, ShadowGC);
225 #ifdef PLAIN_SCROLLBAR
226 if (pscrollbarGC) XFreeGC (term->dpy, pscrollbarGC);
228 #ifdef NEXT_SCROLLBAR
229 if (blackGC) XFreeGC (term->dpy, blackGC);
230 if (whiteGC) XFreeGC (term->dpy, whiteGC);
231 if (grayGC) XFreeGC (term->dpy, grayGC);
232 if (darkGC) XFreeGC (term->dpy, darkGC);
233 if (stippleGC) XFreeGC (term->dpy, stippleGC);
234 if (dimple) XFreePixmap (term->dpy, dimple);
235 if (upArrow) XFreePixmap (term->dpy, upArrow);
236 if (downArrow) XFreePixmap (term->dpy, downArrow);
237 if (upArrowHi) XFreePixmap (term->dpy, upArrowHi);
238 if (downArrowHi) XFreePixmap (term->dpy, downArrowHi);
240 #ifdef RXVT_SCROLLBAR
241 if (topShadowGC) XFreeGC (term->dpy, topShadowGC);
242 if (botShadowGC) XFreeGC (term->dpy, botShadowGC);
243 if (scrollbarGC) XFreeGC (term->dpy, scrollbarGC);
248 scrollBar_t::update_data ()
250 #if defined(PLAIN_SCROLLBAR)
251 if (style == R_SB_PLAIN)
254 end = term->szHint.height;
255 update = &scrollBar_t::show_plain;
258 #if defined(XTERM_SCROLLBAR)
259 if (style == R_SB_XTERM)
262 end = term->szHint.height;
263 update = &scrollBar_t::show_xterm;
266 #if defined(NEXT_SCROLLBAR)
267 if (style == R_SB_NEXT)
270 end = term->szHint.height - (SB_BUTTON_TOTAL_HEIGHT + SB_PADDING);
271 update = &scrollBar_t::show_next;
274 #if defined(RXVT_SCROLLBAR)
275 if (style == R_SB_RXVT)
277 beg = (width + 1) + shadow;
278 end = term->szHint.height - beg - (2 * shadow);
279 update = &scrollBar_t::show_rxvt;
284 /*----------------------- end-of-file (C source) -----------------------*/