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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 1.33 by root, Tue Jan 24 19:40:12 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
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 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#ifdef HAVE_SCROLLBARS
41 if (map && !scrollbar_visible()) { 40 if (map)
41 {
42 scrollBar.setIdle (); 42 scrollBar.setIdle ();
43
43 if (!scrollBar.win) 44 if (!scrollBar.win)
44 resize_scrollbar (); 45 resize_scrollbar ();
46
45 if (scrollBar.win) { 47 if (scrollBar.win)
48 {
46 XMapWindow(Xdisplay, scrollBar.win); 49 XMapWindow (display->display, scrollBar.win);
50 change = 1;
51 }
52 }
53 else
54 {
55 scrollBar.state = 0;
56 XUnmapWindow (display->display, scrollBar.win);
47 change = 1; 57 change = 1;
48 }
49 } else if (!map && scrollbar_visible()) {
50 scrollBar.state = 0;
51 XUnmapWindow(Xdisplay, scrollBar.win);
52 change = 1;
53 } 58 }
54#endif 59#endif
55 return change; 60 return change;
56} 61}
57 62
58void 63void
59rxvt_term::resize_scrollbar () 64rxvt_term::resize_scrollbar ()
60{ 65{
61#ifdef HAVE_SCROLLBARS 66#ifdef HAVE_SCROLLBARS
62 int delayed_init = 0; 67 int delayed_init = 0;
63 68
64#define R_SCROLLBEG_XTERM 0 69#define R_SCROLLBEG_XTERM 0
65#define R_SCROLLEND_XTERM szHint.height 70#define R_SCROLLEND_XTERM szHint.height
66#define R_SCROLLBEG_NEXT 0 71#define R_SCROLLBEG_NEXT 0
67#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ 72#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \
68 SB_PADDING) 73 SB_PADDING)
69#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow 74#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow
70#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \ 75#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \
71 (2 * sb_shadow) 76 (2 * sb_shadow)
72 77
78#if defined(PLAIN_SCROLLBAR)
79 if (scrollBar.style == R_SB_PLAIN)
80 {
81 scrollBar.beg = R_SCROLLBEG_XTERM;
82 scrollBar.end = R_SCROLLEND_XTERM;
83 scrollBar.update = &rxvt_term::scrollbar_show_plain;
84 }
85#endif
73#if defined(XTERM_SCROLLBAR) 86#if defined(XTERM_SCROLLBAR)
74 if (scrollBar.style == R_SB_XTERM) { 87 if (scrollBar.style == R_SB_XTERM)
88 {
75 scrollBar.beg = R_SCROLLBEG_XTERM; 89 scrollBar.beg = R_SCROLLBEG_XTERM;
76 scrollBar.end = R_SCROLLEND_XTERM; 90 scrollBar.end = R_SCROLLEND_XTERM;
77 scrollBar.update = &rxvt_term::scrollbar_show_xterm; 91 scrollBar.update = &rxvt_term::scrollbar_show_xterm;
78 } 92 }
79#endif 93#endif
80#if defined(NEXT_SCROLLBAR) 94#if defined(NEXT_SCROLLBAR)
81 if (scrollBar.style == R_SB_NEXT) { 95 if (scrollBar.style == R_SB_NEXT)
96 {
82 scrollBar.beg = R_SCROLLBEG_NEXT; 97 scrollBar.beg = R_SCROLLBEG_NEXT;
83 scrollBar.end = R_SCROLLEND_NEXT; 98 scrollBar.end = R_SCROLLEND_NEXT;
84 scrollBar.update = &rxvt_term::scrollbar_show_next; 99 scrollBar.update = &rxvt_term::scrollbar_show_next;
85 } 100 }
86#endif 101#endif
87#if defined(RXVT_SCROLLBAR) 102#if defined(RXVT_SCROLLBAR)
88 if (scrollBar.style == R_SB_RXVT) { 103 if (scrollBar.style == R_SB_RXVT)
104 {
89 scrollBar.beg = R_SCROLLBEG_RXVT; 105 scrollBar.beg = R_SCROLLBEG_RXVT;
90 scrollBar.end = R_SCROLLEND_RXVT; 106 scrollBar.end = R_SCROLLEND_RXVT;
91 scrollBar.update = &rxvt_term::scrollbar_show_rxvt; 107 scrollBar.update = &rxvt_term::scrollbar_show_rxvt;
92 } 108 }
93#endif 109#endif
94 110
95 if (!scrollBar.win) { 111 if (!scrollBar.win)
112 {
96/* create the scrollbar window */ 113 /* create the scrollbar window */
97 scrollBar.win = XCreateSimpleWindow(Xdisplay, 114 scrollBar.win = XCreateSimpleWindow (display->display,
98 TermWin.parent[0], 115 parent[0],
99 window_sb_x, 0, 116 window_sb_x, 0,
100 scrollbar_TotalWidth(), 117 scrollbar_TotalWidth (),
101 szHint.height, 118 szHint.height,
102 0, 119 0,
103 PixColors[Color_fg], 120 pix_colors[Color_fg],
104 PixColors[Color_bg]); 121 pix_colors[Color_border]);
105#ifdef DEBUG_X
106 XStoreName(Xdisplay, scrollBar.win, "scrollbar");
107#endif
108 XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor); 122 XDefineCursor (display->display, scrollBar.win, leftptr_cursor);
123
109 XSelectInput(Xdisplay, scrollBar.win, 124 XSelectInput (display->display, scrollBar.win,
110 (ExposureMask | ButtonPressMask | ButtonReleaseMask 125 ExposureMask | ButtonPressMask | ButtonReleaseMask
111 | Button1MotionMask | Button2MotionMask 126 | Button1MotionMask | Button2MotionMask
112 | Button3MotionMask)); 127 | Button3MotionMask);
128 scrollbar_ev.start (display, scrollBar.win);
129
113 delayed_init = 1; 130 delayed_init = 1;
114 } 131 }
132
115 scrollbar_show (1); 133 scrollbar_show (1);
134
116 if (delayed_init) 135 if (delayed_init)
117 XMapWindow (Xdisplay, scrollBar.win); 136 XMapWindow (display->display, scrollBar.win);
118#endif 137#endif
119} 138}
120 139
121/* 140/*
122 * Update current scrollbar view w.r.t. slider heights, etc. 141 * Update current scrollbar view w.r.t. slider heights, etc.
123 */ 142 */
124int 143int
125rxvt_term::scrollbar_show (int update) 144rxvt_term::scrollbar_show (int update)
126{ 145{
127 int ret = 0; 146 int ret = 0;
128#ifdef HAVE_SCROLLBARS 147#ifdef HAVE_SCROLLBARS
129 int top, bot, len, adj; 148 int top, bot, len, adj;
130 149
131 if (!scrollbar_visible()) 150 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; 151 return 0;
152
153 if (update)
149 } 154 {
155 top = view_start - top_row;
156 bot = top + (nrow - 1);
157 len = max (nrow - 1 - top_row, 1);
158 adj = (((bot - top) * scrollbar_size ()) % len) > 0 ? 1 : 0;
150 159
160 scrollBar.top = (scrollBar.beg + (top * scrollbar_size ()) / len);
161 scrollbar_len = ((bot - top) * scrollbar_size ()) / len +
162 scrollbar_minheight () + adj;
163 scrollBar.bot = (scrollBar.top + scrollbar_len);
164 /* no change */
165 if (scrollBar.top == last_top
166 && scrollBar.bot == last_bot
167 && (scrollBar.state == last_state || !scrollbar_isUpDn ()))
168 return 0;
169 }
170
151 ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); 171 ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len);
152 172
153 last_top = scrollBar.top; 173 last_top = scrollBar.top;
154 last_bot = scrollBar.bot; 174 last_bot = scrollBar.bot;
155 last_state = scrollBar.state; 175 last_state = scrollBar.state;
156#endif 176#endif
157 177
158 return ret; 178 return ret;
159} 179}
160 180
161void 181void
162rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) 182rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness)
163{ 183{
164#ifdef HAVE_SCROLLBARS 184#ifdef HAVE_SCROLLBARS
165 int i; 185 int i;
166 short style, width; 186 short style, width;
167 187
168# if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) 188# if defined(RXVT_SCROLLBAR)
169 style = R_SB_RXVT; 189 style = R_SB_RXVT;
190# elif defined(XTERM_SCROLLBAR)
191 style = R_SB_XTERM;
192# elif defined(NEXT_SCROLLBAR)
193 style = R_SB_NEXT;
194# elif defined(PLAIN_SCROLLBAR)
195 style = R_SB_PLAIN;
170# else 196#else
197 style = R_SB_RXVT;
198# endif
199
200# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
201 if (scrollstyle)
202 {
171# ifdef NEXT_SCROLLBAR 203# ifdef NEXT_SCROLLBAR
204 if (strncasecmp (scrollstyle, "next", 4) == 0)
172 style = R_SB_NEXT; 205 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 206# endif
184# ifdef XTERM_SCROLLBAR 207# ifdef XTERM_SCROLLBAR
185 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) 208 if (strncasecmp (scrollstyle, "xterm", 5) == 0)
186 style = R_SB_XTERM; 209 style = R_SB_XTERM;
187# endif 210# endif
211# ifdef PLAIN_SCROLLBAR
212 if (strncasecmp (scrollstyle, "plain", 5) == 0)
213 style = R_SB_PLAIN;
214# endif
215
188 } 216 }
189# endif 217# endif
190 if (style == R_SB_NEXT) 218 if (style == R_SB_NEXT)
191 width = SB_WIDTH_NEXT; 219 width = SB_WIDTH_NEXT;
192 else if (style == R_SB_XTERM) 220 else if (style == R_SB_XTERM)
193 width = SB_WIDTH_XTERM; 221 width = SB_WIDTH_XTERM;
222 else if (style == R_SB_PLAIN)
223 width = SB_WIDTH_PLAIN;
194 else /* if (style == R_SB_RXVT) */ 224 else /* if (style == R_SB_RXVT) */
195 width = SB_WIDTH_RXVT; 225 width = SB_WIDTH_RXVT;
196 226
197 if (style != R_SB_NEXT) /* dishonour request - for now */ 227 if (style != R_SB_NEXT) /* dishonour request - for now */
198 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) 228 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
199 width = min(i, SB_WIDTH_MAXIMUM); 229 width = min (i, SB_WIDTH_MAXIMUM);
200 230
201# if defined(RXVT_SCROLLBAR) 231# ifdef RXVT_SCROLLBAR
202 if (!(Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 232 if (! OPTION (Opt_scrollBar_floating) && style == R_SB_RXVT)
203 sb_shadow = SHADOW; 233 sb_shadow = 2;
204# endif 234# endif
205 235
206 scrollBar.style = style; 236 scrollBar.style = style;
207 scrollBar.width = width; 237 scrollBar.width = width;
208 238
209 /* scrollbar_align = R_SB_ALIGN_CENTRE; */ 239 /* scrollbar_align = R_SB_ALIGN_CENTRE; */
210 if (scrollalign) { 240 if (scrollalign)
211 if (STRNCASECMP(scrollalign, "top", 3) == 0) 241 {
242 if (strncasecmp (scrollalign, "top", 3) == 0)
212 scrollbar_align = R_SB_ALIGN_TOP; 243 scrollbar_align = R_SB_ALIGN_TOP;
213 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) 244 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
214 scrollbar_align = R_SB_ALIGN_BOTTOM; 245 scrollbar_align = R_SB_ALIGN_BOTTOM;
215 } 246 }
216#endif 247#endif
217} 248}
218 249
219/*----------------------- end-of-file (C source) -----------------------*/ 250/*----------------------- end-of-file (C source) -----------------------*/
251

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