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Comparing rxvt-unicode/src/scrollbar.C (file contents):
Revision 1.7 by pcg, Thu Dec 18 14:11:47 2003 UTC vs.
Revision 1.15 by pcg, Thu Apr 8 20:31:45 2004 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: scrollbar.c 2 * File: scrollbar.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: scrollbar.C,v 1.7 2003/12/18 14:11:47 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 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.
… …
30/*----------------------------------------------------------------------*/ 30/*----------------------------------------------------------------------*/
31 31
32/* 32/*
33 * Map or unmap a scrollbar. Returns non-zero upon change of state 33 * Map or unmap a scrollbar. Returns non-zero upon change of state
34 */ 34 */
35/* EXTPROTO */
36int 35int
37rxvt_scrollbar_mapping(pR_ int map) 36rxvt_term::scrollbar_mapping (int map)
38{ 37{
39 int change = 0; 38 int change = 0;
40 39
41#ifdef HAVE_SCROLLBARS 40#ifdef HAVE_SCROLLBARS
42 if (map && !scrollbar_visible(R)) { 41 if (map && !scrollbar_visible ())
42 {
43 R->scrollBar.setIdle (); 43 scrollBar.setIdle ();
44 if (!R->scrollBar.win) 44 if (!scrollBar.win)
45 R->resize_scrollbar (); 45 resize_scrollbar ();
46 if (R->scrollBar.win) { 46 if (scrollBar.win)
47 {
47 XMapWindow(R->Xdisplay, R->scrollBar.win); 48 XMapWindow (display->display, scrollBar.win);
49 change = 1;
50 }
51 }
52 else if (!map && scrollbar_visible ())
53 {
54 scrollBar.state = 0;
55 XUnmapWindow (display->display, 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#endif
56 return change; 59 return change;
57} 60}
58 61
59void 62void
60rxvt_term::resize_scrollbar () 63rxvt_term::resize_scrollbar ()
61{ 64{
62#ifdef HAVE_SCROLLBARS 65#ifdef HAVE_SCROLLBARS
63 int delayed_init = 0; 66 int delayed_init = 0;
64 67
65#define R_SCROLLBEG_XTERM 0 68#define R_SCROLLBEG_XTERM 0
66#define R_SCROLLEND_XTERM szHint.height 69#define R_SCROLLEND_XTERM szHint.height
67#define R_SCROLLBEG_NEXT 0 70#define R_SCROLLBEG_NEXT 0
68#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ 71#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \
69 SB_PADDING) 72 SB_PADDING)
70#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow 73#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow
71#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \ 74#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \
72 (2 * sb_shadow) 75 (2 * sb_shadow)
73 76
77#if defined(PLAIN_SCROLLBAR)
78 if (scrollBar.style == R_SB_PLAIN)
79 {
80 scrollBar.beg = R_SCROLLBEG_XTERM;
81 scrollBar.end = R_SCROLLEND_XTERM;
82 scrollBar.update = &rxvt_term::scrollbar_show_plain;
83 }
84#endif
74#if defined(XTERM_SCROLLBAR) 85#if defined(XTERM_SCROLLBAR)
75 if (scrollBar.style == R_SB_XTERM) { 86 if (scrollBar.style == R_SB_XTERM)
87 {
76 scrollBar.beg = R_SCROLLBEG_XTERM; 88 scrollBar.beg = R_SCROLLBEG_XTERM;
77 scrollBar.end = R_SCROLLEND_XTERM; 89 scrollBar.end = R_SCROLLEND_XTERM;
78 scrollBar.update = rxvt_scrollbar_show_xterm; 90 scrollBar.update = &rxvt_term::scrollbar_show_xterm;
79 } 91 }
80#endif 92#endif
81#if defined(NEXT_SCROLLBAR) 93#if defined(NEXT_SCROLLBAR)
82 if (scrollBar.style == R_SB_NEXT) { 94 if (scrollBar.style == R_SB_NEXT)
95 {
83 scrollBar.beg = R_SCROLLBEG_NEXT; 96 scrollBar.beg = R_SCROLLBEG_NEXT;
84 scrollBar.end = R_SCROLLEND_NEXT; 97 scrollBar.end = R_SCROLLEND_NEXT;
85 scrollBar.update = rxvt_scrollbar_show_next; 98 scrollBar.update = &rxvt_term::scrollbar_show_next;
86 } 99 }
87#endif 100#endif
88#if defined(RXVT_SCROLLBAR) 101#if defined(RXVT_SCROLLBAR)
89 if (scrollBar.style == R_SB_RXVT) { 102 if (scrollBar.style == R_SB_RXVT)
103 {
90 scrollBar.beg = R_SCROLLBEG_RXVT; 104 scrollBar.beg = R_SCROLLBEG_RXVT;
91 scrollBar.end = R_SCROLLEND_RXVT; 105 scrollBar.end = R_SCROLLEND_RXVT;
92 scrollBar.update = rxvt_scrollbar_show_rxvt; 106 scrollBar.update = &rxvt_term::scrollbar_show_rxvt;
93 } 107 }
94#endif 108#endif
95 109
96 if (!scrollBar.win) { 110 if (!scrollBar.win)
111 {
97/* create the scrollbar window */ 112 /* create the scrollbar window */
98 scrollBar.win = XCreateSimpleWindow(Xdisplay, 113 scrollBar.win = XCreateSimpleWindow (display->display,
99 TermWin.parent[0], 114 TermWin.parent[0],
100 window_sb_x, 0, 115 window_sb_x, 0,
101 scrollbar_TotalWidth(), 116 scrollbar_TotalWidth (),
102 szHint.height, 117 szHint.height,
103 0, 118 0,
104 PixColors[Color_fg], 119 PixColors[Color_fg],
105 PixColors[Color_bg]); 120 PixColors[Color_bg]);
106#ifdef DEBUG_X 121#ifdef DEBUG_X
107 XStoreName(Xdisplay, scrollBar.win, "scrollbar"); 122 XStoreName (display->display, scrollBar.win, "scrollbar");
108#endif 123#endif
109 XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor); 124 XDefineCursor (display->display, scrollBar.win, leftptr_cursor);
125
110 XSelectInput(Xdisplay, scrollBar.win, 126 XSelectInput (display->display, scrollBar.win,
111 (ExposureMask | ButtonPressMask | ButtonReleaseMask 127 ExposureMask | ButtonPressMask | ButtonReleaseMask
112 | Button1MotionMask | Button2MotionMask 128 | Button1MotionMask | Button2MotionMask
113 | Button3MotionMask)); 129 | Button3MotionMask);
130 scrollbar_ev.start (display, scrollBar.win);
131
114 delayed_init = 1; 132 delayed_init = 1;
115 } 133 }
134
116 rxvt_scrollbar_show (this, 1); 135 scrollbar_show (1);
136
117 if (delayed_init) 137 if (delayed_init)
118 XMapWindow (Xdisplay, scrollBar.win); 138 XMapWindow (display->display, scrollBar.win);
119#endif 139#endif
120} 140}
121 141
122/* 142/*
123 * Update current scrollbar view w.r.t. slider heights, etc. 143 * Update current scrollbar view w.r.t. slider heights, etc.
124 */ 144 */
125/* EXTPROTO */
126int 145int
127rxvt_scrollbar_show(pR_ int update) 146rxvt_term::scrollbar_show (int update)
128{ 147{
129 int ret = 0; 148 int ret = 0;
130#ifdef HAVE_SCROLLBARS 149#ifdef HAVE_SCROLLBARS
131 int top, bot, len, adj; 150 int top, bot, len, adj;
132 151
133 if (!scrollbar_visible(R)) 152 if (!scrollbar_visible ())
134 return 0;
135
136 if (update) {
137 top = (R->TermWin.nscrolled - R->TermWin.view_start);
138 bot = top + (R->TermWin.nrow - 1);
139 len = max((R->TermWin.nscrolled + (R->TermWin.nrow - 1)), 1);
140 adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0;
141
142 R->scrollBar.top = (R->scrollBar.beg + (top * scrollbar_size()) / len);
143 R->scrollbar_len = ((bot - top) * scrollbar_size()) / len +
144 scrollbar_minheight() + adj;
145 R->scrollBar.bot = (R->scrollBar.top + R->scrollbar_len);
146 /* no change */
147 if (R->scrollBar.top == R->last_top
148 && R->scrollBar.bot == R->last_bot
149 && (R->scrollBar.state == R->last_state || !scrollbar_isUpDn()))
150 return 0; 153 return 0;
154
155 if (update)
151 } 156 {
157 top = (TermWin.nscrolled - TermWin.view_start);
158 bot = top + (TermWin.nrow - 1);
159 len = max ((TermWin.nscrolled + (TermWin.nrow - 1)), 1);
160 adj = (((bot - top) * scrollbar_size ()) % len) > 0 ? 1 : 0;
152 161
153 ret = R->scrollBar.update(aR_ update, R->last_top, R->last_bot, 162 scrollBar.top = (scrollBar.beg + (top * scrollbar_size ()) / len);
154 R->scrollbar_len); 163 scrollbar_len = ((bot - top) * scrollbar_size ()) / len +
164 scrollbar_minheight () + adj;
165 scrollBar.bot = (scrollBar.top + scrollbar_len);
166 /* no change */
167 if (scrollBar.top == last_top
168 && scrollBar.bot == last_bot
169 && (scrollBar.state == last_state || !scrollbar_isUpDn ()))
170 return 0;
171 }
155 172
173 ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len);
174
156 R->last_top = R->scrollBar.top; 175 last_top = scrollBar.top;
157 R->last_bot = R->scrollBar.bot; 176 last_bot = scrollBar.bot;
158 R->last_state = R->scrollBar.state; 177 last_state = scrollBar.state;
159#endif 178#endif
160 179
161 return ret; 180 return ret;
162} 181}
163 182
164/* EXTPROTO */
165void 183void
166rxvt_setup_scrollbar(pR_ const char *scrollalign, const char *scrollstyle, const char *thickness) 184rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness)
167{ 185{
168#ifdef HAVE_SCROLLBARS 186#ifdef HAVE_SCROLLBARS
169 int i; 187 int i;
170 short style, width; 188 short style, width;
171 189
172# if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) 190# if defined(RXVT_SCROLLBAR)
173 style = R_SB_RXVT; 191 style = R_SB_RXVT;
192# elif defined(XTERM_SCROLLBAR)
193 style = R_SB_XTERM;
194# elif defined(NEXT_SCROLLBAR)
195 style = R_SB_NEXT;
196# elif defined(PLAIN_SCROLLBAR)
197 style = R_SB_PLAIN;
174# else 198#else
199 style = R_SB_RXVT;
200# endif
201
202# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
203 if (scrollstyle)
204 {
175# ifdef NEXT_SCROLLBAR 205# ifdef NEXT_SCROLLBAR
176 style = R_SB_NEXT;
177# elif defined(XTERM_SCROLLBAR)
178 style = R_SB_XTERM;
179# endif
180# endif
181
182# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR))
183 if (scrollstyle) {
184# ifdef NEXT_SCROLLBAR
185 if (STRNCASECMP(scrollstyle, "next", 4) == 0) 206 if (STRNCASECMP (scrollstyle, "next", 4) == 0)
186 style = R_SB_NEXT; 207 style = R_SB_NEXT;
187# endif 208# endif
188# ifdef XTERM_SCROLLBAR 209# ifdef XTERM_SCROLLBAR
189 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) 210 if (STRNCASECMP (scrollstyle, "xterm", 5) == 0)
190 style = R_SB_XTERM; 211 style = R_SB_XTERM;
191# endif 212# endif
213# ifdef PLAIN_SCROLLBAR
214 if (STRNCASECMP (scrollstyle, "plain", 5) == 0)
215 style = R_SB_PLAIN;
216# endif
217
192 } 218 }
193# endif 219# endif
194 if (style == R_SB_NEXT) 220 if (style == R_SB_NEXT)
195 width = SB_WIDTH_NEXT; 221 width = SB_WIDTH_NEXT;
196 else if (style == R_SB_XTERM) 222 else if (style == R_SB_XTERM)
197 width = SB_WIDTH_XTERM; 223 width = SB_WIDTH_XTERM;
224 else if (style == R_SB_PLAIN)
225 width = SB_WIDTH_PLAIN;
198 else /* if (style == R_SB_RXVT) */ 226 else /* if (style == R_SB_RXVT) */
199 width = SB_WIDTH_RXVT; 227 width = SB_WIDTH_RXVT;
200 228
201 if (style != R_SB_NEXT) /* dishonour request - for now */ 229 if (style != R_SB_NEXT) /* dishonour request - for now */
202 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) 230 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
203 width = min(i, SB_WIDTH_MAXIMUM); 231 width = min (i, SB_WIDTH_MAXIMUM);
204 232
205# if defined(RXVT_SCROLLBAR) 233# if defined(RXVT_SCROLLBAR)
206 if (!(R->Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 234 if (! (Options & Opt_scrollBar_floating) && style == R_SB_RXVT)
207 R->sb_shadow = SHADOW; 235 sb_shadow = SHADOW;
208# endif 236# endif
209 237
210 R->scrollBar.style = style; 238 scrollBar.style = style;
211 R->scrollBar.width = width; 239 scrollBar.width = width;
212 240
213 /* R->scrollbar_align = R_SB_ALIGN_CENTRE; */ 241 /* scrollbar_align = R_SB_ALIGN_CENTRE; */
214 if (scrollalign) { 242 if (scrollalign)
243 {
215 if (STRNCASECMP(scrollalign, "top", 3) == 0) 244 if (STRNCASECMP (scrollalign, "top", 3) == 0)
216 R->scrollbar_align = R_SB_ALIGN_TOP; 245 scrollbar_align = R_SB_ALIGN_TOP;
217 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) 246 else if (STRNCASECMP (scrollalign, "bottom", 6) == 0)
218 R->scrollbar_align = R_SB_ALIGN_BOTTOM; 247 scrollbar_align = R_SB_ALIGN_BOTTOM;
219 } 248 }
220#endif 249#endif
221} 250}
222 251
223/*----------------------- end-of-file (C source) -----------------------*/ 252/*----------------------- end-of-file (C source) -----------------------*/
253

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