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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 1.12 by pcg, Sun Feb 1 01:34:41 2004 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>
… …
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 && !scrollbar_visible())
41 {
42 scrollBar.setIdle (); 42 scrollBar.setIdle ();
43 if (!scrollBar.win) 43 if (!scrollBar.win)
44 resize_scrollbar (); 44 resize_scrollbar ();
45 if (scrollBar.win) { 45 if (scrollBar.win)
46 {
46 XMapWindow(Xdisplay, scrollBar.win); 47 XMapWindow(Xdisplay, scrollBar.win);
47 change = 1; 48 change = 1;
48 } 49 }
50 }
49 } else if (!map && scrollbar_visible()) { 51 else if (!map && scrollbar_visible())
52 {
50 scrollBar.state = 0; 53 scrollBar.state = 0;
51 XUnmapWindow(Xdisplay, scrollBar.win); 54 XUnmapWindow(Xdisplay, scrollBar.win);
52 change = 1; 55 change = 1;
53 } 56 }
54#endif 57#endif
55 return change; 58 return change;
56} 59}
57 60
58void 61void
59rxvt_term::resize_scrollbar () 62rxvt_term::resize_scrollbar ()
60{ 63{
61#ifdef HAVE_SCROLLBARS 64#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) + sb_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 * sb_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(Xdisplay,
98 TermWin.parent[0], 113 TermWin.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 PixColors[Color_fg],
104 PixColors[Color_bg]); 119 PixColors[Color_bg]);
105#ifdef DEBUG_X 120#ifdef DEBUG_X
106 XStoreName(Xdisplay, scrollBar.win, "scrollbar"); 121 XStoreName(Xdisplay, scrollBar.win, "scrollbar");
107#endif 122#endif
108 XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor); 123 XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor);
109 XSelectInput(Xdisplay, scrollBar.win, 124 XSelectInput(Xdisplay, scrollBar.win,
110 (ExposureMask | ButtonPressMask | ButtonReleaseMask 125 (ExposureMask | ButtonPressMask | ButtonReleaseMask
111 | Button1MotionMask | Button2MotionMask 126 | Button1MotionMask | Button2MotionMask
112 | Button3MotionMask)); 127 | Button3MotionMask));
113 delayed_init = 1; 128 delayed_init = 1;
114 } 129 }
115 scrollbar_show (1); 130 scrollbar_show (1);
116 if (delayed_init) 131 if (delayed_init)
117 XMapWindow (Xdisplay, scrollBar.win); 132 XMapWindow (Xdisplay, scrollBar.win);
118#endif 133#endif
119} 134}
120 135
121/* 136/*
122 * Update current scrollbar view w.r.t. slider heights, etc. 137 * Update current scrollbar view w.r.t. slider heights, etc.
123 */ 138 */
124int 139int
125rxvt_term::scrollbar_show (int update) 140rxvt_term::scrollbar_show (int update)
126{ 141{
127 int ret = 0; 142 int ret = 0;
128#ifdef HAVE_SCROLLBARS 143#ifdef HAVE_SCROLLBARS
129 int top, bot, len, adj; 144 int top, bot, len, adj;
130 145
131 if (!scrollbar_visible()) 146 if (!scrollbar_visible())
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 = (TermWin.nscrolled - TermWin.view_start);
152 bot = top + (TermWin.nrow - 1);
153 len = max((TermWin.nscrolled + (TermWin.nrow - 1)), 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 == last_top
162 && scrollBar.bot == last_bot
163 && (scrollBar.state == 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, last_top, last_bot, scrollbar_len);
152 168
153 last_top = scrollBar.top; 169 last_top = scrollBar.top;
154 last_bot = scrollBar.bot; 170 last_bot = scrollBar.bot;
155 last_state = scrollBar.state; 171 last_state = scrollBar.state;
156#endif 172#endif
157 173
158 return ret; 174 return ret;
159} 175}
160 176
161void 177void
162rxvt_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)
163{ 179{
164#ifdef HAVE_SCROLLBARS 180#ifdef HAVE_SCROLLBARS
165 int i; 181 int i;
166 short style, width; 182 short style, width;
167 183
168# if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) 184# if defined(RXVT_SCROLLBAR)
169 style = R_SB_RXVT; 185 style = R_SB_RXVT;
186# elif defined(XTERM_SCROLLBAR)
187 style = R_SB_XTERM;
188# elif defined(NEXT_SCROLLBAR)
189 style = R_SB_NEXT;
190# elif defined(PLAIN_SCROLLBAR)
191 style = R_SB_PLAIN;
170# else 192#else
193 style = R_SB_RXVT;
194# endif
195
196# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
197 if (scrollstyle)
198 {
171# ifdef NEXT_SCROLLBAR 199# ifdef NEXT_SCROLLBAR
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) 200 if (STRNCASECMP(scrollstyle, "next", 4) == 0)
182 style = R_SB_NEXT; 201 style = R_SB_NEXT;
183# endif 202# endif
184# ifdef XTERM_SCROLLBAR 203# ifdef XTERM_SCROLLBAR
185 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) 204 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0)
186 style = R_SB_XTERM; 205 style = R_SB_XTERM;
187# endif 206# endif
207# ifdef PLAIN_SCROLLBAR
208 if (STRNCASECMP(scrollstyle, "plain", 5) == 0)
209 style = R_SB_PLAIN;
210# endif
211
188 } 212 }
189# endif 213# endif
190 if (style == R_SB_NEXT) 214 if (style == R_SB_NEXT)
191 width = SB_WIDTH_NEXT; 215 width = SB_WIDTH_NEXT;
192 else if (style == R_SB_XTERM) 216 else if (style == R_SB_XTERM)
193 width = SB_WIDTH_XTERM; 217 width = SB_WIDTH_XTERM;
218 else if (style == R_SB_PLAIN)
219 width = SB_WIDTH_PLAIN;
194 else /* if (style == R_SB_RXVT) */ 220 else /* if (style == R_SB_RXVT) */
195 width = SB_WIDTH_RXVT; 221 width = SB_WIDTH_RXVT;
196 222
197 if (style != R_SB_NEXT) /* dishonour request - for now */ 223 if (style != R_SB_NEXT) /* dishonour request - for now */
198 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) 224 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM)
199 width = min(i, SB_WIDTH_MAXIMUM); 225 width = min(i, SB_WIDTH_MAXIMUM);
200 226
201# if defined(RXVT_SCROLLBAR) 227# if defined(RXVT_SCROLLBAR)
202 if (!(Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 228 if (!(Options & Opt_scrollBar_floating) && style == R_SB_RXVT)
203 sb_shadow = SHADOW; 229 sb_shadow = SHADOW;
204# endif 230# endif
205 231
206 scrollBar.style = style; 232 scrollBar.style = style;
207 scrollBar.width = width; 233 scrollBar.width = width;
208 234
209 /* scrollbar_align = R_SB_ALIGN_CENTRE; */ 235 /* scrollbar_align = R_SB_ALIGN_CENTRE; */
210 if (scrollalign) { 236 if (scrollalign)
237 {
211 if (STRNCASECMP(scrollalign, "top", 3) == 0) 238 if (STRNCASECMP(scrollalign, "top", 3) == 0)
212 scrollbar_align = R_SB_ALIGN_TOP; 239 scrollbar_align = R_SB_ALIGN_TOP;
213 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) 240 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0)
214 scrollbar_align = R_SB_ALIGN_BOTTOM; 241 scrollbar_align = R_SB_ALIGN_BOTTOM;
215 } 242 }
216#endif 243#endif
217} 244}
218 245
219/*----------------------- end-of-file (C source) -----------------------*/ 246/*----------------------- end-of-file (C source) -----------------------*/
247

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