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Comparing rxvt-unicode/src/scrollbar.C (file contents):
Revision 1.9 by pcg, Sat Jan 31 02:15:02 2004 UTC vs.
Revision 1.56 by ayin, Mon Feb 18 09:58:27 2008 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: scrollbar.c 2 * File: scrollbar.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: scrollbar.C,v 1.9 2004/01/31 02:15:02 pcg Exp $
5 * 4 *
6 * Copyright (c) 1997,1998 mj olesen <olesen@me.QueensU.CA> 5 * Copyright (c) 1997,1998 mj olesen <olesen@me.QueensU.CA>
7 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org> 6 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org>
8 * - N*XTstep like scrollbars 7 * - N*XTstep like scrollbars
9 * Copyright (c) 1999-2001 Geoff Wing <gcw@pobox.com> 8 * Copyright (c) 1999-2001 Geoff Wing <gcw@pobox.com>
9 * Copyright (c) 2004-2006 Marc Lehmann <pcg@goof.com>
10 * 10 *
11 * This program is free software; you can redistribute it and/or modify 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 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 13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version. 14 * (at your option) any later version.
… …
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 *----------------------------------------------------------------------*/ 24 *----------------------------------------------------------------------*/
25 25
26#include "../config.h" /* NECESSARY */ 26#include "../config.h" /* NECESSARY */
27#include "rxvt.h" /* NECESSARY */ 27#include "rxvt.h" /* NECESSARY */
28#include "scrollbar.intpro" /* PROTOS for internal routines */
29 28
30/*----------------------------------------------------------------------*/ 29/*----------------------------------------------------------------------*/
31 30
32/* 31/*
33 * Map or unmap a scrollbar. Returns non-zero upon change of state 32 * Map or unmap a scrollbar. Returns non-zero upon change of state
34 */ 33 */
35int 34int
36rxvt_term::scrollbar_mapping (int map) 35rxvt_term::scrollbar_mapping (int map)
37{ 36{
38 int change = 0; 37 int change = 0;
39 38
40#ifdef HAVE_SCROLLBARS 39 if (map)
41 if (map && !scrollbar_visible()) { 40 {
42 scrollBar.setIdle (); 41 scrollBar.state = STATE_IDLE;
42
43 if (!scrollBar.win) 43 if (!scrollBar.win)
44 resize_scrollbar (); 44 resize_scrollbar ();
45
45 if (scrollBar.win) { 46 if (scrollBar.win)
47 {
46 XMapWindow(Xdisplay, scrollBar.win); 48 XMapWindow (dpy, scrollBar.win);
49 change = 1;
50 }
51 }
52 else
53 {
54 scrollBar.state = 0;
55 XUnmapWindow (dpy, scrollBar.win);
47 change = 1; 56 change = 1;
48 }
49 } else if (!map && scrollbar_visible()) {
50 scrollBar.state = 0;
51 XUnmapWindow(Xdisplay, scrollBar.win);
52 change = 1;
53 } 57 }
54#endif 58
55 return change; 59 return change;
56} 60}
57 61
58void 62void
59rxvt_term::resize_scrollbar () 63rxvt_term::resize_scrollbar ()
60{ 64{
61#ifdef HAVE_SCROLLBARS
62 int delayed_init = 0; 65 int delayed_init = 0;
66 int window_sb_x = 0;
67
68 if (option (Opt_scrollBar_right))
69 window_sb_x = szHint.width - scrollBar.total_width ();
63 70
64#define R_SCROLLBEG_XTERM 0 71#define R_SCROLLBEG_XTERM 0
65#define R_SCROLLEND_XTERM szHint.height 72#define R_SCROLLEND_XTERM szHint.height
66#define R_SCROLLBEG_NEXT 0 73#define R_SCROLLBEG_NEXT 0
67#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ 74#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \
68 SB_PADDING) 75 SB_PADDING)
69#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow 76#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + scrollBar.shadow
70#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \ 77#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \
71 (2 * sb_shadow) 78 (2 * scrollBar.shadow)
72 79
80#if defined(PLAIN_SCROLLBAR)
81 if (scrollBar.style == R_SB_PLAIN)
82 {
83 scrollBar.beg = R_SCROLLBEG_XTERM;
84 scrollBar.end = R_SCROLLEND_XTERM;
85 scrollBar.update = &rxvt_term::scrollbar_show_plain;
86 }
87#endif
73#if defined(XTERM_SCROLLBAR) 88#if defined(XTERM_SCROLLBAR)
74 if (scrollBar.style == R_SB_XTERM) { 89 if (scrollBar.style == R_SB_XTERM)
90 {
75 scrollBar.beg = R_SCROLLBEG_XTERM; 91 scrollBar.beg = R_SCROLLBEG_XTERM;
76 scrollBar.end = R_SCROLLEND_XTERM; 92 scrollBar.end = R_SCROLLEND_XTERM;
77 scrollBar.update = &rxvt_term::scrollbar_show_xterm; 93 scrollBar.update = &rxvt_term::scrollbar_show_xterm;
78 } 94 }
79#endif 95#endif
80#if defined(NEXT_SCROLLBAR) 96#if defined(NEXT_SCROLLBAR)
81 if (scrollBar.style == R_SB_NEXT) { 97 if (scrollBar.style == R_SB_NEXT)
98 {
82 scrollBar.beg = R_SCROLLBEG_NEXT; 99 scrollBar.beg = R_SCROLLBEG_NEXT;
83 scrollBar.end = R_SCROLLEND_NEXT; 100 scrollBar.end = R_SCROLLEND_NEXT;
84 scrollBar.update = &rxvt_term::scrollbar_show_next; 101 scrollBar.update = &rxvt_term::scrollbar_show_next;
85 } 102 }
86#endif 103#endif
87#if defined(RXVT_SCROLLBAR) 104#if defined(RXVT_SCROLLBAR)
88 if (scrollBar.style == R_SB_RXVT) { 105 if (scrollBar.style == R_SB_RXVT)
106 {
89 scrollBar.beg = R_SCROLLBEG_RXVT; 107 scrollBar.beg = R_SCROLLBEG_RXVT;
90 scrollBar.end = R_SCROLLEND_RXVT; 108 scrollBar.end = R_SCROLLEND_RXVT;
91 scrollBar.update = &rxvt_term::scrollbar_show_rxvt; 109 scrollBar.update = &rxvt_term::scrollbar_show_rxvt;
92 } 110 }
93#endif 111#endif
94 112
95 if (!scrollBar.win) { 113 if (!scrollBar.win)
114 {
96/* create the scrollbar window */ 115 /* create the scrollbar window */
97 scrollBar.win = XCreateSimpleWindow(Xdisplay, 116 scrollBar.win = XCreateSimpleWindow (dpy,
98 TermWin.parent[0], 117 parent[0],
99 window_sb_x, 0, 118 window_sb_x, 0,
100 scrollbar_TotalWidth(), 119 scrollBar.total_width (),
101 szHint.height, 120 szHint.height,
102 0, 121 0,
103 PixColors[Color_fg], 122 pix_colors[Color_fg],
104 PixColors[Color_bg]); 123 pix_colors[Color_border]);
105#ifdef DEBUG_X
106 XStoreName(Xdisplay, scrollBar.win, "scrollbar");
107#endif
108 XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor); 124 XDefineCursor (dpy, scrollBar.win, scrollBar.leftptr_cursor);
125
109 XSelectInput(Xdisplay, scrollBar.win, 126 XSelectInput (dpy, scrollBar.win,
110 (ExposureMask | ButtonPressMask | ButtonReleaseMask 127 ExposureMask | ButtonPressMask | ButtonReleaseMask
111 | Button1MotionMask | Button2MotionMask 128 | Button1MotionMask | Button2MotionMask
112 | Button3MotionMask)); 129 | Button3MotionMask);
130 scrollbar_ev.start (display, scrollBar.win);
131
113 delayed_init = 1; 132 delayed_init = 1;
114 } 133 }
134 else
135 XMoveResizeWindow (dpy, scrollBar.win,
136 window_sb_x, 0,
137 scrollBar.total_width (), szHint.height);
138
115 scrollbar_show (1); 139 scrollbar_show (1);
140
116 if (delayed_init) 141 if (delayed_init)
117 XMapWindow (Xdisplay, scrollBar.win); 142 XMapWindow (dpy, scrollBar.win);
118#endif
119} 143}
120 144
121/* 145/*
122 * Update current scrollbar view w.r.t. slider heights, etc. 146 * Update current scrollbar view w.r.t. slider heights, etc.
123 */ 147 */
124int 148int
125rxvt_term::scrollbar_show (int update) 149rxvt_term::scrollbar_show (int update)
126{ 150{
127 int ret = 0; 151 int ret = 0;
128#ifdef HAVE_SCROLLBARS
129 int top, bot, len, adj;
130 152
131 if (!scrollbar_visible()) 153 if (!scrollBar.state)
132 return 0;
133
134 if (update) {
135 top = (TermWin.nscrolled - TermWin.view_start);
136 bot = top + (TermWin.nrow - 1);
137 len = max((TermWin.nscrolled + (TermWin.nrow - 1)), 1);
138 adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0;
139
140 scrollBar.top = (scrollBar.beg + (top * scrollbar_size()) / len);
141 scrollbar_len = ((bot - top) * scrollbar_size()) / len +
142 scrollbar_minheight() + adj;
143 scrollBar.bot = (scrollBar.top + scrollbar_len);
144 /* no change */
145 if (scrollBar.top == last_top
146 && scrollBar.bot == last_bot
147 && (scrollBar.state == last_state || !scrollbar_isUpDn()))
148 return 0; 154 return 0;
155
156 if (update)
149 } 157 {
158 int top = view_start - top_row;
159 int bot = top + (nrow - 1);
160 int len = max (nrow - 1 - top_row, 1);
161 int size = (bot - top) * scrollBar.size ();
150 162
163 scrollBar.top = (scrollBar.beg + (top * scrollBar.size ()) / len);
164 scrollBar.len = size / len + scrollBar.min_height () + (size % len > 0);
165 scrollBar.bot = (scrollBar.top + scrollBar.len);
166 /* no change */
167 if (scrollBar.top == scrollBar.last_top
168 && scrollBar.bot == scrollBar.last_bot
169 && (scrollBar.state == scrollBar.last_state
170 || !(scrollBar.state == STATE_UP || scrollBar.state == STATE_DOWN)))
171 return 0;
172 }
173
151 ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); 174 ret = (this->*scrollBar.update) (update, scrollBar.last_top, scrollBar.last_bot, scrollBar.len);
152 175
153 last_top = scrollBar.top; 176 scrollBar.last_top = scrollBar.top;
154 last_bot = scrollBar.bot; 177 scrollBar.last_bot = scrollBar.bot;
155 last_state = scrollBar.state; 178 scrollBar.last_state = scrollBar.state;
156#endif
157 179
158 return ret; 180 return ret;
159} 181}
160 182
161void 183void
162rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) 184scrollBar_t::setup (rxvt_term *term)
163{ 185{
164#ifdef HAVE_SCROLLBARS
165 int i; 186 int i;
166 short style, width; 187 short style, width;
188 const char *scrollalign, *scrollstyle, *thickness;
167 189
168# if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) 190 this->term = term;
191 scrollalign = term->rs[Rs_scrollBar_align];
192 scrollstyle = term->rs[Rs_scrollstyle];
193 thickness = term->rs[Rs_scrollBar_thickness];
194
195# if defined(RXVT_SCROLLBAR)
169 style = R_SB_RXVT; 196 style = R_SB_RXVT;
197# elif defined(XTERM_SCROLLBAR)
198 style = R_SB_XTERM;
199# elif defined(NEXT_SCROLLBAR)
200 style = R_SB_NEXT;
201# elif defined(PLAIN_SCROLLBAR)
202 style = R_SB_PLAIN;
170# else 203#else
204 style = R_SB_RXVT;
205# endif
206
207# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
208 if (scrollstyle)
209 {
171# ifdef NEXT_SCROLLBAR 210# ifdef NEXT_SCROLLBAR
211 if (strncasecmp (scrollstyle, "next", 4) == 0)
172 style = R_SB_NEXT; 212 style = R_SB_NEXT;
173# elif defined(XTERM_SCROLLBAR)
174 style = R_SB_XTERM;
175# endif
176# endif
177
178# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR))
179 if (scrollstyle) {
180# ifdef NEXT_SCROLLBAR
181 if (STRNCASECMP(scrollstyle, "next", 4) == 0)
182 style = R_SB_NEXT;
183# endif 213# endif
184# ifdef XTERM_SCROLLBAR 214# ifdef XTERM_SCROLLBAR
185 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) 215 if (strncasecmp (scrollstyle, "xterm", 5) == 0)
186 style = R_SB_XTERM; 216 style = R_SB_XTERM;
187# endif 217# endif
218# ifdef PLAIN_SCROLLBAR
219 if (strncasecmp (scrollstyle, "plain", 5) == 0)
220 style = R_SB_PLAIN;
221# endif
222
188 } 223 }
189# endif 224# endif
190 if (style == R_SB_NEXT) 225 if (style == R_SB_NEXT)
191 width = SB_WIDTH_NEXT; 226 width = SB_WIDTH_NEXT;
192 else if (style == R_SB_XTERM) 227 else if (style == R_SB_XTERM)
193 width = SB_WIDTH_XTERM; 228 width = SB_WIDTH_XTERM;
229 else if (style == R_SB_PLAIN)
230 width = SB_WIDTH_PLAIN;
194 else /* if (style == R_SB_RXVT) */ 231 else /* if (style == R_SB_RXVT) */
195 width = SB_WIDTH_RXVT; 232 width = SB_WIDTH_RXVT;
196 233
197 if (style != R_SB_NEXT) /* dishonour request - for now */ 234 if (style != R_SB_NEXT) /* dishonour request - for now */
198 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) 235 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
199 width = min(i, SB_WIDTH_MAXIMUM); 236 width = min (i, SB_WIDTH_MAXIMUM);
200 237
201# if defined(RXVT_SCROLLBAR) 238# ifdef RXVT_SCROLLBAR
202 if (!(Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 239 if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT)
203 sb_shadow = SHADOW; 240 shadow = SHADOW_WIDTH;
204# endif 241# endif
205 242
206 scrollBar.style = style; 243 this->style = style;
207 scrollBar.width = width; 244 this->width = width;
208 245
209 /* scrollbar_align = R_SB_ALIGN_CENTRE; */ 246 /* align = R_SB_ALIGN_CENTRE; */
210 if (scrollalign) { 247 if (scrollalign)
211 if (STRNCASECMP(scrollalign, "top", 3) == 0)
212 scrollbar_align = R_SB_ALIGN_TOP;
213 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0)
214 scrollbar_align = R_SB_ALIGN_BOTTOM;
215 } 248 {
216#endif 249 if (strncasecmp (scrollalign, "top", 3) == 0)
250 align = R_SB_ALIGN_TOP;
251 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
252 align = R_SB_ALIGN_BOTTOM;
253 }
254 last_bot = last_state = -1;
255 /* cursor scrollBar: Black-on-White */
256 leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr);
217} 257}
218 258
219/*----------------------- end-of-file (C source) -----------------------*/ 259/*----------------------- end-of-file (C source) -----------------------*/
260

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