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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 1.48 by ayin, Sun Jan 27 22:48:33 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.setIdle ();
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;
63 66
64#define R_SCROLLBEG_XTERM 0 67#define R_SCROLLBEG_XTERM 0
65#define R_SCROLLEND_XTERM szHint.height 68#define R_SCROLLEND_XTERM szHint.height
66#define R_SCROLLBEG_NEXT 0 69#define R_SCROLLBEG_NEXT 0
67#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ 70#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \
68 SB_PADDING) 71 SB_PADDING)
69#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow 72#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + scrollBar.shadow
70#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \ 73#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \
71 (2 * sb_shadow) 74 (2 * scrollBar.shadow)
72 75
76#if defined(PLAIN_SCROLLBAR)
77 if (scrollBar.style == R_SB_PLAIN)
78 {
79 scrollBar.beg = R_SCROLLBEG_XTERM;
80 scrollBar.end = R_SCROLLEND_XTERM;
81 scrollBar.update = &rxvt_term::scrollbar_show_plain;
82 }
83#endif
73#if defined(XTERM_SCROLLBAR) 84#if defined(XTERM_SCROLLBAR)
74 if (scrollBar.style == R_SB_XTERM) { 85 if (scrollBar.style == R_SB_XTERM)
86 {
75 scrollBar.beg = R_SCROLLBEG_XTERM; 87 scrollBar.beg = R_SCROLLBEG_XTERM;
76 scrollBar.end = R_SCROLLEND_XTERM; 88 scrollBar.end = R_SCROLLEND_XTERM;
77 scrollBar.update = &rxvt_term::scrollbar_show_xterm; 89 scrollBar.update = &rxvt_term::scrollbar_show_xterm;
78 } 90 }
79#endif 91#endif
80#if defined(NEXT_SCROLLBAR) 92#if defined(NEXT_SCROLLBAR)
81 if (scrollBar.style == R_SB_NEXT) { 93 if (scrollBar.style == R_SB_NEXT)
94 {
82 scrollBar.beg = R_SCROLLBEG_NEXT; 95 scrollBar.beg = R_SCROLLBEG_NEXT;
83 scrollBar.end = R_SCROLLEND_NEXT; 96 scrollBar.end = R_SCROLLEND_NEXT;
84 scrollBar.update = &rxvt_term::scrollbar_show_next; 97 scrollBar.update = &rxvt_term::scrollbar_show_next;
85 } 98 }
86#endif 99#endif
87#if defined(RXVT_SCROLLBAR) 100#if defined(RXVT_SCROLLBAR)
88 if (scrollBar.style == R_SB_RXVT) { 101 if (scrollBar.style == R_SB_RXVT)
102 {
89 scrollBar.beg = R_SCROLLBEG_RXVT; 103 scrollBar.beg = R_SCROLLBEG_RXVT;
90 scrollBar.end = R_SCROLLEND_RXVT; 104 scrollBar.end = R_SCROLLEND_RXVT;
91 scrollBar.update = &rxvt_term::scrollbar_show_rxvt; 105 scrollBar.update = &rxvt_term::scrollbar_show_rxvt;
92 } 106 }
93#endif 107#endif
94 108
95 if (!scrollBar.win) { 109 if (!scrollBar.win)
110 {
96/* create the scrollbar window */ 111 /* create the scrollbar window */
97 scrollBar.win = XCreateSimpleWindow(Xdisplay, 112 scrollBar.win = XCreateSimpleWindow (dpy,
98 TermWin.parent[0], 113 parent[0],
99 window_sb_x, 0, 114 window_sb_x, 0,
100 scrollbar_TotalWidth(), 115 scrollbar_TotalWidth (),
101 szHint.height, 116 szHint.height,
102 0, 117 0,
103 PixColors[Color_fg], 118 pix_colors[Color_fg],
104 PixColors[Color_bg]); 119 pix_colors[Color_border]);
105#ifdef DEBUG_X
106 XStoreName(Xdisplay, scrollBar.win, "scrollbar");
107#endif
108 XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor); 120 XDefineCursor (dpy, scrollBar.win, scrollBar.leftptr_cursor);
121
109 XSelectInput(Xdisplay, scrollBar.win, 122 XSelectInput (dpy, scrollBar.win,
110 (ExposureMask | ButtonPressMask | ButtonReleaseMask 123 ExposureMask | ButtonPressMask | ButtonReleaseMask
111 | Button1MotionMask | Button2MotionMask 124 | Button1MotionMask | Button2MotionMask
112 | Button3MotionMask)); 125 | Button3MotionMask);
126 scrollbar_ev.start (display, scrollBar.win);
127
113 delayed_init = 1; 128 delayed_init = 1;
114 } 129 }
130
115 scrollbar_show (1); 131 scrollbar_show (1);
132
116 if (delayed_init) 133 if (delayed_init)
117 XMapWindow (Xdisplay, scrollBar.win); 134 XMapWindow (dpy, scrollBar.win);
118#endif
119} 135}
120 136
121/* 137/*
122 * Update current scrollbar view w.r.t. slider heights, etc. 138 * Update current scrollbar view w.r.t. slider heights, etc.
123 */ 139 */
124int 140int
125rxvt_term::scrollbar_show (int update) 141rxvt_term::scrollbar_show (int update)
126{ 142{
127 int ret = 0; 143 int ret = 0;
128#ifdef HAVE_SCROLLBARS
129 int top, bot, len, adj; 144 int top, bot, len, adj;
130 145
131 if (!scrollbar_visible()) 146 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; 147 return 0;
148
149 if (update)
149 } 150 {
151 top = view_start - top_row;
152 bot = top + (nrow - 1);
153 len = max (nrow - 1 - top_row, 1);
154 adj = (((bot - top) * scrollbar_size ()) % len) > 0 ? 1 : 0;
150 155
156 scrollBar.top = (scrollBar.beg + (top * scrollbar_size ()) / len);
157 scrollBar.len = ((bot - top) * scrollbar_size ()) / len +
158 scrollbar_minheight () + adj;
159 scrollBar.bot = (scrollBar.top + scrollBar.len);
160 /* no change */
161 if (scrollBar.top == scrollBar.last_top
162 && scrollBar.bot == scrollBar.last_bot
163 && (scrollBar.state == scrollBar.last_state || !scrollbar_isUpDn ()))
164 return 0;
165 }
166
151 ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); 167 ret = (this->*scrollBar.update) (update, scrollBar.last_top, scrollBar.last_bot, scrollBar.len);
152 168
153 last_top = scrollBar.top; 169 scrollBar.last_top = scrollBar.top;
154 last_bot = scrollBar.bot; 170 scrollBar.last_bot = scrollBar.bot;
155 last_state = scrollBar.state; 171 scrollBar.last_state = scrollBar.state;
156#endif
157 172
158 return ret; 173 return ret;
159} 174}
160 175
161void 176void
162rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) 177rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness)
163{ 178{
164#ifdef HAVE_SCROLLBARS
165 int i; 179 int i;
166 short style, width; 180 short style, width;
167 181
168# if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) 182# if defined(RXVT_SCROLLBAR)
169 style = R_SB_RXVT; 183 style = R_SB_RXVT;
184# elif defined(XTERM_SCROLLBAR)
185 style = R_SB_XTERM;
186# elif defined(NEXT_SCROLLBAR)
187 style = R_SB_NEXT;
188# elif defined(PLAIN_SCROLLBAR)
189 style = R_SB_PLAIN;
170# else 190#else
191 style = R_SB_RXVT;
192# endif
193
194# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
195 if (scrollstyle)
196 {
171# ifdef NEXT_SCROLLBAR 197# ifdef NEXT_SCROLLBAR
198 if (strncasecmp (scrollstyle, "next", 4) == 0)
172 style = R_SB_NEXT; 199 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 200# endif
184# ifdef XTERM_SCROLLBAR 201# ifdef XTERM_SCROLLBAR
185 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) 202 if (strncasecmp (scrollstyle, "xterm", 5) == 0)
186 style = R_SB_XTERM; 203 style = R_SB_XTERM;
187# endif 204# endif
205# ifdef PLAIN_SCROLLBAR
206 if (strncasecmp (scrollstyle, "plain", 5) == 0)
207 style = R_SB_PLAIN;
208# endif
209
188 } 210 }
189# endif 211# endif
190 if (style == R_SB_NEXT) 212 if (style == R_SB_NEXT)
191 width = SB_WIDTH_NEXT; 213 width = SB_WIDTH_NEXT;
192 else if (style == R_SB_XTERM) 214 else if (style == R_SB_XTERM)
193 width = SB_WIDTH_XTERM; 215 width = SB_WIDTH_XTERM;
216 else if (style == R_SB_PLAIN)
217 width = SB_WIDTH_PLAIN;
194 else /* if (style == R_SB_RXVT) */ 218 else /* if (style == R_SB_RXVT) */
195 width = SB_WIDTH_RXVT; 219 width = SB_WIDTH_RXVT;
196 220
197 if (style != R_SB_NEXT) /* dishonour request - for now */ 221 if (style != R_SB_NEXT) /* dishonour request - for now */
198 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) 222 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
199 width = min(i, SB_WIDTH_MAXIMUM); 223 width = min (i, SB_WIDTH_MAXIMUM);
200 224
201# if defined(RXVT_SCROLLBAR) 225# ifdef RXVT_SCROLLBAR
202 if (!(Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 226 if (! option (Opt_scrollBar_floating) && style == R_SB_RXVT)
203 sb_shadow = SHADOW; 227 scrollBar.shadow = SHADOW_WIDTH;
204# endif 228# endif
205 229
206 scrollBar.style = style; 230 scrollBar.style = style;
207 scrollBar.width = width; 231 scrollBar.width = width;
208 232
209 /* scrollbar_align = R_SB_ALIGN_CENTRE; */ 233 /* scrollBar.align = R_SB_ALIGN_CENTRE; */
210 if (scrollalign) { 234 if (scrollalign)
211 if (STRNCASECMP(scrollalign, "top", 3) == 0) 235 {
236 if (strncasecmp (scrollalign, "top", 3) == 0)
212 scrollbar_align = R_SB_ALIGN_TOP; 237 scrollBar.align = R_SB_ALIGN_TOP;
213 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) 238 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
214 scrollbar_align = R_SB_ALIGN_BOTTOM; 239 scrollBar.align = R_SB_ALIGN_BOTTOM;
215 } 240 }
216#endif 241 scrollBar.last_bot = scrollBar.last_state = -1;
242 /* cursor scrollBar: Black-on-White */
243 scrollBar.leftptr_cursor = XCreateFontCursor (dpy, XC_left_ptr);
217} 244}
218 245
219/*----------------------- end-of-file (C source) -----------------------*/ 246/*----------------------- end-of-file (C source) -----------------------*/
247

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