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Comparing rxvt-unicode/src/scrollbar.C (file contents):
Revision 1.11 by pcg, Sat Jan 31 04:16:15 2004 UTC vs.
Revision 1.49 by ayin, Tue Jan 29 13:57:23 2008 UTC

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

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