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Comparing rxvt-unicode/src/scrollbar.C (file contents):
Revision 1.5 by pcg, Thu Dec 18 05:45:11 2003 UTC vs.
Revision 1.54 by ayin, Sun Feb 17 12:21:45 2008 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: scrollbar.c 2 * File: scrollbar.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: scrollbar.C,v 1.5 2003/12/18 05:45:11 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 */
35/* EXTPROTO */
36int 34int
37rxvt_scrollbar_mapping(pR_ int map) 35rxvt_term::scrollbar_mapping (int map)
38{ 36{
39 int change = 0; 37 int change = 0;
40#ifdef HAVE_SCROLLBARS
41 38
42 if (map && !scrollbar_visible(R)) { 39 if (map)
43 R->scrollBar.setIdle (); 40 {
41 scrollBar.state = STATE_IDLE;
42
44 if (!R->scrollBar.win) 43 if (!scrollBar.win)
45 rxvt_Resize_scrollBar(aR); 44 resize_scrollbar ();
45
46 if (R->scrollBar.win) { 46 if (scrollBar.win)
47 {
47 XMapWindow(R->Xdisplay, R->scrollBar.win); 48 XMapWindow (dpy, scrollBar.win);
49 change = 1;
50 }
51 }
52 else
53 {
54 scrollBar.state = 0;
55 XUnmapWindow (dpy, scrollBar.win);
48 change = 1; 56 change = 1;
49 }
50 } else if (!map && scrollbar_visible(R)) {
51 R->scrollBar.state = 0;
52 XUnmapWindow(R->Xdisplay, R->scrollBar.win);
53 change = 1;
54 } 57 }
55#endif 58
56 return change; 59 return change;
57} 60}
58 61
59/* EXTPROTO */
60void 62void
61rxvt_Resize_scrollBar(pR) 63rxvt_term::resize_scrollbar ()
62{ 64{
63#ifdef HAVE_SCROLLBARS
64 int delayed_init = 0; 65 int delayed_init = 0;
65 66
66#define R_SCROLLBEG_XTERM 0 67#define R_SCROLLBEG_XTERM 0
67#define R_SCROLLEND_XTERM R->szHint.height 68#define R_SCROLLEND_XTERM szHint.height
68#define R_SCROLLBEG_NEXT 0 69#define R_SCROLLBEG_NEXT 0
69#define R_SCROLLEND_NEXT R->szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ 70#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \
70 SB_PADDING) 71 SB_PADDING)
71#define R_SCROLLBEG_RXVT (R->scrollBar.width + 1) + R->sb_shadow 72#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + scrollBar.shadow
72#define R_SCROLLEND_RXVT R->szHint.height - R_SCROLLBEG_RXVT - \ 73#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \
73 (2 * R->sb_shadow) 74 (2 * scrollBar.shadow)
74 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
75#if defined(XTERM_SCROLLBAR) 84#if defined(XTERM_SCROLLBAR)
76 if (R->scrollBar.style == R_SB_XTERM) { 85 if (scrollBar.style == R_SB_XTERM)
86 {
77 R->scrollBar.beg = R_SCROLLBEG_XTERM; 87 scrollBar.beg = R_SCROLLBEG_XTERM;
78 R->scrollBar.end = R_SCROLLEND_XTERM; 88 scrollBar.end = R_SCROLLEND_XTERM;
79 R->scrollBar.update = rxvt_scrollbar_show_xterm; 89 scrollBar.update = &rxvt_term::scrollbar_show_xterm;
80 } 90 }
81#endif 91#endif
82#if defined(NEXT_SCROLLBAR) 92#if defined(NEXT_SCROLLBAR)
83 if (R->scrollBar.style == R_SB_NEXT) { 93 if (scrollBar.style == R_SB_NEXT)
94 {
84 R->scrollBar.beg = R_SCROLLBEG_NEXT; 95 scrollBar.beg = R_SCROLLBEG_NEXT;
85 R->scrollBar.end = R_SCROLLEND_NEXT; 96 scrollBar.end = R_SCROLLEND_NEXT;
86 R->scrollBar.update = rxvt_scrollbar_show_next; 97 scrollBar.update = &rxvt_term::scrollbar_show_next;
87 } 98 }
88#endif 99#endif
89#if defined(RXVT_SCROLLBAR) 100#if defined(RXVT_SCROLLBAR)
90 if (R->scrollBar.style == R_SB_RXVT) { 101 if (scrollBar.style == R_SB_RXVT)
102 {
91 R->scrollBar.beg = R_SCROLLBEG_RXVT; 103 scrollBar.beg = R_SCROLLBEG_RXVT;
92 R->scrollBar.end = R_SCROLLEND_RXVT; 104 scrollBar.end = R_SCROLLEND_RXVT;
93 R->scrollBar.update = rxvt_scrollbar_show_rxvt; 105 scrollBar.update = &rxvt_term::scrollbar_show_rxvt;
94 } 106 }
95#endif 107#endif
96 108
97 if (!R->scrollBar.win) { 109 if (!scrollBar.win)
110 {
98/* create the scrollbar window */ 111 /* create the scrollbar window */
99 R->scrollBar.win = XCreateSimpleWindow(R->Xdisplay, 112 scrollBar.win = XCreateSimpleWindow (dpy,
100 R->TermWin.parent[0], 113 parent[0],
101 R->window_sb_x, 0, 114 window_sb_x, 0,
102 scrollbar_TotalWidth(), 115 scrollBar.total_width (),
103 R->szHint.height, 116 szHint.height,
104 0, 117 0,
105 R->PixColors[Color_fg], 118 pix_colors[Color_fg],
106 R->PixColors[Color_bg]); 119 pix_colors[Color_border]);
107#ifdef DEBUG_X
108 XStoreName(R->Xdisplay, R->scrollBar.win, "scrollbar");
109#endif
110 XDefineCursor(R->Xdisplay, R->scrollBar.win, R->leftptr_cursor); 120 XDefineCursor (dpy, scrollBar.win, scrollBar.leftptr_cursor);
121
111 XSelectInput(R->Xdisplay, R->scrollBar.win, 122 XSelectInput (dpy, scrollBar.win,
112 (ExposureMask | ButtonPressMask | ButtonReleaseMask 123 ExposureMask | ButtonPressMask | ButtonReleaseMask
113 | Button1MotionMask | Button2MotionMask 124 | Button1MotionMask | Button2MotionMask
114 | Button3MotionMask)); 125 | Button3MotionMask);
126 scrollbar_ev.start (display, scrollBar.win);
127
115 delayed_init = 1; 128 delayed_init = 1;
116 } 129 }
130
117 rxvt_scrollbar_show(aR_ 1); 131 scrollbar_show (1);
132
118 if (delayed_init) 133 if (delayed_init)
119 XMapWindow(R->Xdisplay, R->scrollBar.win); 134 XMapWindow (dpy, scrollBar.win);
120#endif
121} 135}
122 136
123/* 137/*
124 * Update current scrollbar view w.r.t. slider heights, etc. 138 * Update current scrollbar view w.r.t. slider heights, etc.
125 */ 139 */
126/* EXTPROTO */
127int 140int
128rxvt_scrollbar_show(pR_ int update) 141rxvt_term::scrollbar_show (int update)
129{ 142{
130 int ret = 0; 143 int ret = 0;
131#ifdef HAVE_SCROLLBARS
132 int top, bot, len, adj;
133 144
134 if (!scrollbar_visible(R)) 145 if (!scrollBar.state)
135 return 0;
136
137 if (update) {
138 top = (R->TermWin.nscrolled - R->TermWin.view_start);
139 bot = top + (R->TermWin.nrow - 1);
140 len = max((R->TermWin.nscrolled + (R->TermWin.nrow - 1)), 1);
141 adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0;
142
143 R->scrollBar.top = (R->scrollBar.beg + (top * scrollbar_size()) / len);
144 R->scrollbar_len = ((bot - top) * scrollbar_size()) / len +
145 scrollbar_minheight() + adj;
146 R->scrollBar.bot = (R->scrollBar.top + R->scrollbar_len);
147 /* no change */
148 if (R->scrollBar.top == R->last_top
149 && R->scrollBar.bot == R->last_bot
150 && (R->scrollBar.state == R->last_state || !scrollbar_isUpDn()))
151 return 0; 146 return 0;
147
148 if (update)
152 } 149 {
150 int top = view_start - top_row;
151 int bot = top + (nrow - 1);
152 int len = max (nrow - 1 - top_row, 1);
153 int adj = (((bot - top) * scrollBar.size ()) % len) > 0 ? 1 : 0;
153 154
154 ret = R->scrollBar.update(aR_ update, R->last_top, R->last_bot, 155 scrollBar.top = (scrollBar.beg + (top * scrollBar.size ()) / len);
155 R->scrollbar_len); 156 scrollBar.len = ((bot - top) * scrollBar.size ()) / len +
157 scrollBar.min_height () + adj;
158 scrollBar.bot = (scrollBar.top + scrollBar.len);
159 /* no change */
160 if (scrollBar.top == scrollBar.last_top
161 && scrollBar.bot == scrollBar.last_bot
162 && (scrollBar.state == scrollBar.last_state
163 || !(scrollBar.state == STATE_UP || scrollBar.state == STATE_DOWN)))
164 return 0;
165 }
156 166
167 ret = (this->*scrollBar.update) (update, scrollBar.last_top, scrollBar.last_bot, scrollBar.len);
168
157 R->last_top = R->scrollBar.top; 169 scrollBar.last_top = scrollBar.top;
158 R->last_bot = R->scrollBar.bot; 170 scrollBar.last_bot = scrollBar.bot;
159 R->last_state = R->scrollBar.state; 171 scrollBar.last_state = scrollBar.state;
160 172
161#endif
162 return ret; 173 return ret;
163} 174}
164 175
165/* EXTPROTO */
166void 176void
167rxvt_setup_scrollbar(pR_ const char *scrollalign, const char *scrollstyle, const char *thickness) 177scrollBar_t::setup (rxvt_term *term)
168{ 178{
169#ifdef HAVE_SCROLLBARS
170 int i; 179 int i;
171 short style, width; 180 short style, width;
181 const char *scrollalign, *scrollstyle, *thickness;
172 182
173# if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) 183 this->term = term;
184 scrollalign = term->rs[Rs_scrollBar_align];
185 scrollstyle = term->rs[Rs_scrollstyle];
186 thickness = term->rs[Rs_scrollBar_thickness];
187
188# if defined(RXVT_SCROLLBAR)
174 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;
175# 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 {
176# ifdef NEXT_SCROLLBAR 203# ifdef NEXT_SCROLLBAR
204 if (strncasecmp (scrollstyle, "next", 4) == 0)
177 style = R_SB_NEXT; 205 style = R_SB_NEXT;
178# elif defined(XTERM_SCROLLBAR)
179 style = R_SB_XTERM;
180# endif
181# endif
182
183# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR))
184 if (scrollstyle) {
185# ifdef NEXT_SCROLLBAR
186 if (STRNCASECMP(scrollstyle, "next", 4) == 0)
187 style = R_SB_NEXT;
188# endif 206# endif
189# ifdef XTERM_SCROLLBAR 207# ifdef XTERM_SCROLLBAR
190 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) 208 if (strncasecmp (scrollstyle, "xterm", 5) == 0)
191 style = R_SB_XTERM; 209 style = R_SB_XTERM;
192# endif 210# endif
211# ifdef PLAIN_SCROLLBAR
212 if (strncasecmp (scrollstyle, "plain", 5) == 0)
213 style = R_SB_PLAIN;
214# endif
215
193 } 216 }
194# endif 217# endif
195 if (style == R_SB_NEXT) 218 if (style == R_SB_NEXT)
196 width = SB_WIDTH_NEXT; 219 width = SB_WIDTH_NEXT;
197 else if (style == R_SB_XTERM) 220 else if (style == R_SB_XTERM)
198 width = SB_WIDTH_XTERM; 221 width = SB_WIDTH_XTERM;
222 else if (style == R_SB_PLAIN)
223 width = SB_WIDTH_PLAIN;
199 else /* if (style == R_SB_RXVT) */ 224 else /* if (style == R_SB_RXVT) */
200 width = SB_WIDTH_RXVT; 225 width = SB_WIDTH_RXVT;
201 226
202 if (style != R_SB_NEXT) /* dishonour request - for now */ 227 if (style != R_SB_NEXT) /* dishonour request - for now */
203 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) 228 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
204 width = min(i, SB_WIDTH_MAXIMUM); 229 width = min (i, SB_WIDTH_MAXIMUM);
205 230
206# if defined(RXVT_SCROLLBAR) 231# ifdef RXVT_SCROLLBAR
207 if (!(R->Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 232 if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT)
208 R->sb_shadow = SHADOW; 233 shadow = SHADOW_WIDTH;
209# endif 234# endif
210 235
211 R->scrollBar.style = style; 236 this->style = style;
212 R->scrollBar.width = width; 237 this->width = width;
213 238
214 /* R->scrollbar_align = R_SB_ALIGN_CENTRE; */ 239 /* align = R_SB_ALIGN_CENTRE; */
215 if (scrollalign) { 240 if (scrollalign)
216 if (STRNCASECMP(scrollalign, "top", 3) == 0)
217 R->scrollbar_align = R_SB_ALIGN_TOP;
218 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0)
219 R->scrollbar_align = R_SB_ALIGN_BOTTOM;
220 } 241 {
221#endif 242 if (strncasecmp (scrollalign, "top", 3) == 0)
243 align = R_SB_ALIGN_TOP;
244 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
245 align = R_SB_ALIGN_BOTTOM;
246 }
247 last_bot = last_state = -1;
248 /* cursor scrollBar: Black-on-White */
249 leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr);
222} 250}
223 251
224/*----------------------- end-of-file (C source) -----------------------*/ 252/*----------------------- end-of-file (C source) -----------------------*/
253

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