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Comparing rxvt-unicode/src/scrollbar.C (file contents):
Revision 1.1 by pcg, Mon Nov 24 17:28:08 2003 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 1.1 2003/11/24 17:28:08 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>
… …
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
39#ifdef HAVE_SCROLLBARS
42 if (map && !scrollbar_visible(R)) { 40 if (map && !scrollbar_visible())
41 {
43 scrollbar_setIdle(); 42 scrollBar.setIdle ();
44 if (!R->scrollBar.win) 43 if (!scrollBar.win)
45 rxvt_Resize_scrollBar(aR); 44 resize_scrollbar ();
46 if (R->scrollBar.win) { 45 if (scrollBar.win)
46 {
47 XMapWindow(R->Xdisplay, R->scrollBar.win); 47 XMapWindow(Xdisplay, scrollBar.win);
48 change = 1; 48 change = 1;
49 } 49 }
50 }
50 } else if (!map && scrollbar_visible(R)) { 51 else if (!map && scrollbar_visible())
52 {
51 R->scrollBar.state = 0; 53 scrollBar.state = 0;
52 XUnmapWindow(R->Xdisplay, R->scrollBar.win); 54 XUnmapWindow(Xdisplay, scrollBar.win);
53 change = 1; 55 change = 1;
54 } 56 }
55#endif 57#endif
56 return change; 58 return change;
57} 59}
58 60
59/* EXTPROTO */
60void 61void
61rxvt_Resize_scrollBar(pR) 62rxvt_term::resize_scrollbar ()
62{ 63{
63#ifdef HAVE_SCROLLBARS 64#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) + sb_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 * sb_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(Xdisplay,
100 R->TermWin.parent[0], 113 TermWin.parent[0],
101 R->h->window_sb_x, 0, 114 window_sb_x, 0,
102 scrollbar_TotalWidth(), 115 scrollbar_TotalWidth(),
103 R->szHint.height, 116 szHint.height,
104 0, 117 0,
105 R->PixColors[Color_fg], 118 PixColors[Color_fg],
106 R->PixColors[Color_bg]); 119 PixColors[Color_bg]);
107#ifdef DEBUG_X 120#ifdef DEBUG_X
108 XStoreName(R->Xdisplay, R->scrollBar.win, "scrollbar"); 121 XStoreName(Xdisplay, scrollBar.win, "scrollbar");
109#endif 122#endif
110 XDefineCursor(R->Xdisplay, R->scrollBar.win, R->h->pointer_leftptr); 123 XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor);
111 XSelectInput(R->Xdisplay, R->scrollBar.win, 124 XSelectInput(Xdisplay, scrollBar.win,
112 (ExposureMask | ButtonPressMask | ButtonReleaseMask 125 (ExposureMask | ButtonPressMask | ButtonReleaseMask
113 | Button1MotionMask | Button2MotionMask 126 | Button1MotionMask | Button2MotionMask
114 | Button3MotionMask)); 127 | Button3MotionMask));
115 delayed_init = 1; 128 delayed_init = 1;
116 } 129 }
117 rxvt_scrollbar_show(aR_ 1); 130 scrollbar_show (1);
118 if (delayed_init) 131 if (delayed_init)
119 XMapWindow(R->Xdisplay, R->scrollBar.win); 132 XMapWindow (Xdisplay, scrollBar.win);
120#endif 133#endif
121} 134}
122 135
123/* 136/*
124 * Update current scrollbar view w.r.t. slider heights, etc. 137 * Update current scrollbar view w.r.t. slider heights, etc.
125 */ 138 */
126/* EXTPROTO */
127int 139int
128rxvt_scrollbar_show(pR_ int update) 140rxvt_term::scrollbar_show (int update)
129{ 141{
130 int ret = 0; 142 int ret = 0;
131#ifdef HAVE_SCROLLBARS 143#ifdef HAVE_SCROLLBARS
132 int top, bot, len, adj; 144 int top, bot, len, adj;
133 145
134 if (!scrollbar_visible(R)) 146 if (!scrollbar_visible())
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->h->scrollbar_len = ((bot - top) * scrollbar_size()) / len +
145 scrollbar_minheight() + adj;
146 R->scrollBar.bot = (R->scrollBar.top + R->h->scrollbar_len);
147 /* no change */
148 if (R->scrollBar.top == R->h->last_top
149 && R->scrollBar.bot == R->h->last_bot
150 && (R->scrollBar.state == R->h->last_state || !scrollbar_isUpDn()))
151 return 0; 147 return 0;
148
149 if (update)
152 } 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;
153 155
154 ret = R->scrollBar.update(aR_ update, R->h->last_top, R->h->last_bot, 156 scrollBar.top = (scrollBar.beg + (top * scrollbar_size()) / len);
155 R->h->scrollbar_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 }
156 166
167 ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len);
168
157 R->h->last_top = R->scrollBar.top; 169 last_top = scrollBar.top;
158 R->h->last_bot = R->scrollBar.bot; 170 last_bot = scrollBar.bot;
159 R->h->last_state = R->scrollBar.state; 171 last_state = scrollBar.state;
160
161#endif 172#endif
173
162 return ret; 174 return ret;
163} 175}
164 176
165/* EXTPROTO */
166void 177void
167rxvt_setup_scrollbar(pR_ const char *scrollalign, const char *scrollstyle, const char *thickness) 178rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness)
168{ 179{
169#ifdef HAVE_SCROLLBARS 180#ifdef HAVE_SCROLLBARS
170 int i; 181 int i;
171 short style, width; 182 short style, width;
172 183
173# if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) 184# if defined(RXVT_SCROLLBAR)
174 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;
175# 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 {
176# ifdef NEXT_SCROLLBAR 199# ifdef NEXT_SCROLLBAR
177 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) 200 if (STRNCASECMP(scrollstyle, "next", 4) == 0)
187 style = R_SB_NEXT; 201 style = R_SB_NEXT;
188# endif 202# endif
189# ifdef XTERM_SCROLLBAR 203# ifdef XTERM_SCROLLBAR
190 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) 204 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0)
191 style = R_SB_XTERM; 205 style = R_SB_XTERM;
192# endif 206# endif
207# ifdef PLAIN_SCROLLBAR
208 if (STRNCASECMP(scrollstyle, "plain", 5) == 0)
209 style = R_SB_PLAIN;
210# endif
211
193 } 212 }
194# endif 213# endif
195 if (style == R_SB_NEXT) 214 if (style == R_SB_NEXT)
196 width = SB_WIDTH_NEXT; 215 width = SB_WIDTH_NEXT;
197 else if (style == R_SB_XTERM) 216 else if (style == R_SB_XTERM)
198 width = SB_WIDTH_XTERM; 217 width = SB_WIDTH_XTERM;
218 else if (style == R_SB_PLAIN)
219 width = SB_WIDTH_PLAIN;
199 else /* if (style == R_SB_RXVT) */ 220 else /* if (style == R_SB_RXVT) */
200 width = SB_WIDTH_RXVT; 221 width = SB_WIDTH_RXVT;
201 222
202 if (style != R_SB_NEXT) /* dishonour request - for now */ 223 if (style != R_SB_NEXT) /* dishonour request - for now */
203 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) 224 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM)
204 width = min(i, SB_WIDTH_MAXIMUM); 225 width = min(i, SB_WIDTH_MAXIMUM);
205 226
206# if defined(RXVT_SCROLLBAR) 227# if defined(RXVT_SCROLLBAR)
207 if (!(R->Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 228 if (!(Options & Opt_scrollBar_floating) && style == R_SB_RXVT)
208 R->sb_shadow = SHADOW; 229 sb_shadow = SHADOW;
209# endif 230# endif
210 231
211 R->scrollBar.style = style; 232 scrollBar.style = style;
212 R->scrollBar.width = width; 233 scrollBar.width = width;
213 234
214 /* R->h->scrollbar_align = R_SB_ALIGN_CENTRE; */ 235 /* scrollbar_align = R_SB_ALIGN_CENTRE; */
215 if (scrollalign) { 236 if (scrollalign)
237 {
216 if (STRNCASECMP(scrollalign, "top", 3) == 0) 238 if (STRNCASECMP(scrollalign, "top", 3) == 0)
217 R->h->scrollbar_align = R_SB_ALIGN_TOP; 239 scrollbar_align = R_SB_ALIGN_TOP;
218 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) 240 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0)
219 R->h->scrollbar_align = R_SB_ALIGN_BOTTOM; 241 scrollbar_align = R_SB_ALIGN_BOTTOM;
220 } 242 }
221#endif 243#endif
222} 244}
223 245
224/*----------------------- end-of-file (C source) -----------------------*/ 246/*----------------------- end-of-file (C source) -----------------------*/
247

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