ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/scrollbar.C
(Generate patch)

Comparing rxvt-unicode/src/scrollbar.C (file contents):
Revision 1.8 by pcg, Sat Jan 31 00:20:21 2004 UTC vs.
Revision 1.60 by ayin, Tue Feb 19 10:47:03 2008 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: scrollbar.c 2 * File: scrollbar.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: scrollbar.C,v 1.8 2004/01/31 00:20:21 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) 35scrollBar_t::map (int map)
37{ 36{
37 int change = 0;
38
39 if (map)
40 {
41 state = STATE_IDLE;
42
43 if (!win)
44 resize ();
45
46 if (win)
47 {
48 XMapWindow (term->dpy, win);
38 int change = 0; 49 change = 1;
39 50 }
40#ifdef HAVE_SCROLLBARS 51 }
41 if (map && !scrollbar_visible()) { 52 else
42 scrollBar.setIdle (); 53 {
43 if (!scrollBar.win) 54 state = 0;
44 resize_scrollbar (); 55 XUnmapWindow (term->dpy, win);
45 if (scrollBar.win) {
46 XMapWindow(Xdisplay, 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 () 63scrollBar_t::resize ()
60{ 64{
61#ifdef HAVE_SCROLLBARS
62 int delayed_init = 0; 65 int delayed_init = 0;
66 int window_sb_x = 0;
63 67
64#define R_SCROLLBEG_XTERM 0 68 if (term->option (Opt_scrollBar_right))
65#define R_SCROLLEND_XTERM szHint.height 69 window_sb_x = term->szHint.width - total_width ();
66#define R_SCROLLBEG_NEXT 0
67#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \
68 SB_PADDING)
69#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow
70#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \
71 (2 * sb_shadow)
72 70
73#if defined(XTERM_SCROLLBAR) 71 update_data ();
74 if (scrollBar.style == R_SB_XTERM) { 72
75 scrollBar.beg = R_SCROLLBEG_XTERM; 73 if (!win)
76 scrollBar.end = R_SCROLLEND_XTERM;
77 //scrollBar.update = rxvt_scrollbar_show_xterm;
78 } 74 {
79#endif
80#if defined(NEXT_SCROLLBAR)
81 if (scrollBar.style == R_SB_NEXT) {
82 scrollBar.beg = R_SCROLLBEG_NEXT;
83 scrollBar.end = R_SCROLLEND_NEXT;
84 //scrollBar.update = rxvt_scrollbar_show_next;
85 }
86#endif
87#if defined(RXVT_SCROLLBAR)
88 if (scrollBar.style == R_SB_RXVT) {
89 scrollBar.beg = R_SCROLLBEG_RXVT;
90 scrollBar.end = R_SCROLLEND_RXVT;
91 //scrollBar.update = rxvt_scrollbar_show_rxvt;
92 }
93#endif
94
95 if (!scrollBar.win) {
96/* create the scrollbar window */ 75 /* create the scrollbar window */
97 scrollBar.win = XCreateSimpleWindow(Xdisplay, 76 win = XCreateSimpleWindow (term->dpy,
98 TermWin.parent[0], 77 term->parent[0],
99 window_sb_x, 0, 78 window_sb_x, 0,
100 scrollbar_TotalWidth(), 79 total_width (),
101 szHint.height, 80 term->szHint.height,
102 0, 81 0,
103 PixColors[Color_fg], 82 term->pix_colors[Color_fg],
104 PixColors[Color_bg]); 83 term->pix_colors[Color_border]);
105#ifdef DEBUG_X 84 XDefineCursor (term->dpy, win, leftptr_cursor);
106 XStoreName(Xdisplay, scrollBar.win, "scrollbar"); 85
107#endif 86 XSelectInput (term->dpy, win,
108 XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor);
109 XSelectInput(Xdisplay, scrollBar.win,
110 (ExposureMask | ButtonPressMask | ButtonReleaseMask 87 ExposureMask | ButtonPressMask | ButtonReleaseMask
111 | Button1MotionMask | Button2MotionMask 88 | Button1MotionMask | Button2MotionMask
112 | Button3MotionMask)); 89 | Button3MotionMask);
90 term->scrollbar_ev.start (term->display, win);
91
113 delayed_init = 1; 92 delayed_init = 1;
114 } 93 }
115 scrollbar_show (1); 94 else
95 XMoveResizeWindow (term->dpy, win,
96 window_sb_x, 0,
97 total_width (), term->szHint.height);
98
99 show (1);
100
116 if (delayed_init) 101 if (delayed_init)
117 XMapWindow (Xdisplay, scrollBar.win); 102 XMapWindow (term->dpy, win);
118#endif
119} 103}
120 104
121/* 105/*
122 * Update current scrollbar view w.r.t. slider heights, etc. 106 * Update current scrollbar view w.r.t. slider heights, etc.
123 */ 107 */
124int 108int
125rxvt_term::scrollbar_show (int update) 109scrollBar_t::show (int refresh)
126{ 110{
127 int ret = 0; 111 int ret;
128#ifdef HAVE_SCROLLBARS
129 int top, bot, len, adj;
130 112
131 if (!scrollbar_visible()) 113 if (!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; 114 return 0;
115
116 if (refresh)
149 } 117 {
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 ();
150 122
151 ret = scrollbar_update (update, last_top, last_bot, scrollbar_len); 123 top = beg + (sb_top * size ()) / sb_len;
124 len = sb_size / sb_len + min_height () + (sb_size % sb_len > 0);
125 bot = top + len;
126 /* no change */
127 if (top == last_top
128 && bot == last_bot
129 && (state == last_state
130 || !(state == STATE_UP || state == STATE_DOWN)))
131 return 0;
132 }
152 133
153 last_top = scrollBar.top; 134 ret = (term->*update) (refresh, last_top, last_bot, len);
154 last_bot = scrollBar.bot; 135
136 last_top = top;
137 last_bot = bot;
155 last_state = scrollBar.state; 138 last_state = state;
156#endif
157 139
158 return ret; 140 return ret;
159} 141}
160 142
161void 143void
162rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) 144scrollBar_t::setup (rxvt_term *term)
163{ 145{
164#ifdef HAVE_SCROLLBARS
165 int i; 146 int i;
166 short style, width; 147 short style, width;
148 const char *scrollalign, *scrollstyle, *thickness;
167 149
168# if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) 150 this->term = term;
151 scrollalign = term->rs[Rs_scrollBar_align];
152 scrollstyle = term->rs[Rs_scrollstyle];
153 thickness = term->rs[Rs_scrollBar_thickness];
154
155# if defined(RXVT_SCROLLBAR)
169 style = R_SB_RXVT; 156 style = R_SB_RXVT;
157# elif defined(XTERM_SCROLLBAR)
158 style = R_SB_XTERM;
159# elif defined(NEXT_SCROLLBAR)
160 style = R_SB_NEXT;
161# elif defined(PLAIN_SCROLLBAR)
162 style = R_SB_PLAIN;
170# else 163#else
164 style = R_SB_RXVT;
165# endif
166
167# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
168 if (scrollstyle)
169 {
171# ifdef NEXT_SCROLLBAR 170# ifdef NEXT_SCROLLBAR
171 if (strncasecmp (scrollstyle, "next", 4) == 0)
172 style = R_SB_NEXT; 172 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 173# endif
184# ifdef XTERM_SCROLLBAR 174# ifdef XTERM_SCROLLBAR
185 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) 175 if (strncasecmp (scrollstyle, "xterm", 5) == 0)
186 style = R_SB_XTERM; 176 style = R_SB_XTERM;
187# endif 177# endif
178# ifdef PLAIN_SCROLLBAR
179 if (strncasecmp (scrollstyle, "plain", 5) == 0)
180 style = R_SB_PLAIN;
181# endif
182
188 } 183 }
189# endif 184# endif
190 if (style == R_SB_NEXT) 185 if (style == R_SB_NEXT)
191 width = SB_WIDTH_NEXT; 186 width = SB_WIDTH_NEXT;
192 else if (style == R_SB_XTERM) 187 else if (style == R_SB_XTERM)
193 width = SB_WIDTH_XTERM; 188 width = SB_WIDTH_XTERM;
189 else if (style == R_SB_PLAIN)
190 width = SB_WIDTH_PLAIN;
194 else /* if (style == R_SB_RXVT) */ 191 else /* if (style == R_SB_RXVT) */
195 width = SB_WIDTH_RXVT; 192 width = SB_WIDTH_RXVT;
196 193
197 if (style != R_SB_NEXT) /* dishonour request - for now */ 194 if (style != R_SB_NEXT) /* dishonour request - for now */
198 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) 195 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
199 width = min(i, SB_WIDTH_MAXIMUM); 196 width = min (i, SB_WIDTH_MAXIMUM);
200 197
201# if defined(RXVT_SCROLLBAR) 198# ifdef RXVT_SCROLLBAR
202 if (!(Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 199 if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT)
203 sb_shadow = SHADOW; 200 shadow = SHADOW_WIDTH;
204# endif 201# endif
205 202
206 scrollBar.style = style; 203 this->style = style;
207 scrollBar.width = width; 204 this->width = width;
208 205
209 /* scrollbar_align = R_SB_ALIGN_CENTRE; */ 206 /* align = R_SB_ALIGN_CENTRE; */
210 if (scrollalign) { 207 if (scrollalign)
211 if (STRNCASECMP(scrollalign, "top", 3) == 0) 208 {
212 scrollbar_align = R_SB_ALIGN_TOP; 209 if (strncasecmp (scrollalign, "top", 3) == 0)
213 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) 210 align = R_SB_ALIGN_TOP;
214 scrollbar_align = R_SB_ALIGN_BOTTOM; 211 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
212 align = R_SB_ALIGN_BOTTOM;
213 }
214 last_bot = last_state = -1;
215 /* cursor scrollBar: Black-on-White */
216 leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr);
217}
218
219void
220scrollBar_t::update_data ()
221{
222#if defined(PLAIN_SCROLLBAR)
223 if (style == R_SB_PLAIN)
224 {
225 beg = 0;
226 end = term->szHint.height;
227 update = &rxvt_term::scrollbar_show_plain;
228 }
229#endif
230#if defined(XTERM_SCROLLBAR)
231 if (style == R_SB_XTERM)
232 {
233 beg = 0;
234 end = term->szHint.height;
235 update = &rxvt_term::scrollbar_show_xterm;
236 }
237#endif
238#if defined(NEXT_SCROLLBAR)
239 if (style == R_SB_NEXT)
240 {
241 beg = 0;
242 end = term->szHint.height - (SB_BUTTON_TOTAL_HEIGHT + SB_PADDING);
243 update = &rxvt_term::scrollbar_show_next;
244 }
245#endif
246#if defined(RXVT_SCROLLBAR)
247 if (style == R_SB_RXVT)
248 {
249 beg = (width + 1) + shadow;
250 end = term->szHint.height - beg - (2 * shadow);
251 update = &rxvt_term::scrollbar_show_rxvt;
215 } 252 }
216#endif 253#endif
217} 254}
218 255
219/*----------------------- end-of-file (C source) -----------------------*/ 256/*----------------------- end-of-file (C source) -----------------------*/
257

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines