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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 1.55 by ayin, Mon Feb 18 09:58:05 2008 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
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) 2004-2006 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 38
41#ifdef HAVE_SCROLLBARS 39 if (map)
42 if (map && !scrollbar_visible(R)) { 40 {
43 R->scrollBar.setIdle (); 41 scrollBar.state = STATE_IDLE;
42
44 if (!R->scrollBar.win) 43 if (!scrollBar.win)
45 R->resize_scrollbar (); 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
59void 62void
60rxvt_term::resize_scrollbar () 63rxvt_term::resize_scrollbar ()
61{ 64{
62#ifdef HAVE_SCROLLBARS
63 int delayed_init = 0; 65 int delayed_init = 0;
66 int window_sb_x = 0;
67
68 if (option (Opt_scrollBar_right))
69 window_sb_x = szHint.width - scrollBar.total_width ();
64 70
65#define R_SCROLLBEG_XTERM 0 71#define R_SCROLLBEG_XTERM 0
66#define R_SCROLLEND_XTERM szHint.height 72#define R_SCROLLEND_XTERM szHint.height
67#define R_SCROLLBEG_NEXT 0 73#define R_SCROLLBEG_NEXT 0
68#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ 74#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \
69 SB_PADDING) 75 SB_PADDING)
70#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow 76#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + scrollBar.shadow
71#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \ 77#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \
72 (2 * sb_shadow) 78 (2 * scrollBar.shadow)
73 79
80#if defined(PLAIN_SCROLLBAR)
81 if (scrollBar.style == R_SB_PLAIN)
82 {
83 scrollBar.beg = R_SCROLLBEG_XTERM;
84 scrollBar.end = R_SCROLLEND_XTERM;
85 scrollBar.update = &rxvt_term::scrollbar_show_plain;
86 }
87#endif
74#if defined(XTERM_SCROLLBAR) 88#if defined(XTERM_SCROLLBAR)
75 if (scrollBar.style == R_SB_XTERM) { 89 if (scrollBar.style == R_SB_XTERM)
90 {
76 scrollBar.beg = R_SCROLLBEG_XTERM; 91 scrollBar.beg = R_SCROLLBEG_XTERM;
77 scrollBar.end = R_SCROLLEND_XTERM; 92 scrollBar.end = R_SCROLLEND_XTERM;
78 scrollBar.update = rxvt_scrollbar_show_xterm; 93 scrollBar.update = &rxvt_term::scrollbar_show_xterm;
79 } 94 }
80#endif 95#endif
81#if defined(NEXT_SCROLLBAR) 96#if defined(NEXT_SCROLLBAR)
82 if (scrollBar.style == R_SB_NEXT) { 97 if (scrollBar.style == R_SB_NEXT)
98 {
83 scrollBar.beg = R_SCROLLBEG_NEXT; 99 scrollBar.beg = R_SCROLLBEG_NEXT;
84 scrollBar.end = R_SCROLLEND_NEXT; 100 scrollBar.end = R_SCROLLEND_NEXT;
85 scrollBar.update = rxvt_scrollbar_show_next; 101 scrollBar.update = &rxvt_term::scrollbar_show_next;
86 } 102 }
87#endif 103#endif
88#if defined(RXVT_SCROLLBAR) 104#if defined(RXVT_SCROLLBAR)
89 if (scrollBar.style == R_SB_RXVT) { 105 if (scrollBar.style == R_SB_RXVT)
106 {
90 scrollBar.beg = R_SCROLLBEG_RXVT; 107 scrollBar.beg = R_SCROLLBEG_RXVT;
91 scrollBar.end = R_SCROLLEND_RXVT; 108 scrollBar.end = R_SCROLLEND_RXVT;
92 scrollBar.update = rxvt_scrollbar_show_rxvt; 109 scrollBar.update = &rxvt_term::scrollbar_show_rxvt;
93 } 110 }
94#endif 111#endif
95 112
96 if (!scrollBar.win) { 113 if (!scrollBar.win)
114 {
97/* create the scrollbar window */ 115 /* create the scrollbar window */
98 scrollBar.win = XCreateSimpleWindow(Xdisplay, 116 scrollBar.win = XCreateSimpleWindow (dpy,
99 TermWin.parent[0], 117 parent[0],
100 window_sb_x, 0, 118 window_sb_x, 0,
101 scrollbar_TotalWidth(), 119 scrollBar.total_width (),
102 szHint.height, 120 szHint.height,
103 0, 121 0,
104 PixColors[Color_fg], 122 pix_colors[Color_fg],
105 PixColors[Color_bg]); 123 pix_colors[Color_border]);
106#ifdef DEBUG_X
107 XStoreName(Xdisplay, scrollBar.win, "scrollbar");
108#endif
109 XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor); 124 XDefineCursor (dpy, scrollBar.win, scrollBar.leftptr_cursor);
125
110 XSelectInput(Xdisplay, scrollBar.win, 126 XSelectInput (dpy, 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 else
135 XMoveResizeWindow (dpy, scrollBar.win,
136 window_sb_x, 0,
137 scrollBar.total_width (), szHint.height);
138
116 rxvt_scrollbar_show (this, 1); 139 scrollbar_show (1);
140
117 if (delayed_init) 141 if (delayed_init)
118 XMapWindow (Xdisplay, scrollBar.win); 142 XMapWindow (dpy, scrollBar.win);
119#endif
120} 143}
121 144
122/* 145/*
123 * Update current scrollbar view w.r.t. slider heights, etc. 146 * Update current scrollbar view w.r.t. slider heights, etc.
124 */ 147 */
125/* EXTPROTO */
126int 148int
127rxvt_scrollbar_show(pR_ int update) 149rxvt_term::scrollbar_show (int update)
128{ 150{
129 int ret = 0; 151 int ret = 0;
130#ifdef HAVE_SCROLLBARS
131 int top, bot, len, adj;
132 152
133 if (!scrollbar_visible(R)) 153 if (!scrollBar.state)
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; 154 return 0;
155
156 if (update)
151 } 157 {
158 int top = view_start - top_row;
159 int bot = top + (nrow - 1);
160 int len = max (nrow - 1 - top_row, 1);
161 int adj = (((bot - top) * scrollBar.size ()) % len) > 0 ? 1 : 0;
152 162
153 ret = R->scrollBar.update(aR_ update, R->last_top, R->last_bot, 163 scrollBar.top = (scrollBar.beg + (top * scrollBar.size ()) / len);
154 R->scrollbar_len); 164 scrollBar.len = ((bot - top) * scrollBar.size ()) / len +
165 scrollBar.min_height () + adj;
166 scrollBar.bot = (scrollBar.top + scrollBar.len);
167 /* no change */
168 if (scrollBar.top == scrollBar.last_top
169 && scrollBar.bot == scrollBar.last_bot
170 && (scrollBar.state == scrollBar.last_state
171 || !(scrollBar.state == STATE_UP || scrollBar.state == STATE_DOWN)))
172 return 0;
173 }
155 174
175 ret = (this->*scrollBar.update) (update, scrollBar.last_top, scrollBar.last_bot, scrollBar.len);
176
156 R->last_top = R->scrollBar.top; 177 scrollBar.last_top = scrollBar.top;
157 R->last_bot = R->scrollBar.bot; 178 scrollBar.last_bot = scrollBar.bot;
158 R->last_state = R->scrollBar.state; 179 scrollBar.last_state = scrollBar.state;
159#endif
160 180
161 return ret; 181 return ret;
162} 182}
163 183
164/* EXTPROTO */
165void 184void
166rxvt_setup_scrollbar(pR_ const char *scrollalign, const char *scrollstyle, const char *thickness) 185scrollBar_t::setup (rxvt_term *term)
167{ 186{
168#ifdef HAVE_SCROLLBARS
169 int i; 187 int i;
170 short style, width; 188 short style, width;
189 const char *scrollalign, *scrollstyle, *thickness;
171 190
172# if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) 191 this->term = term;
192 scrollalign = term->rs[Rs_scrollBar_align];
193 scrollstyle = term->rs[Rs_scrollstyle];
194 thickness = term->rs[Rs_scrollBar_thickness];
195
196# if defined(RXVT_SCROLLBAR)
173 style = R_SB_RXVT; 197 style = R_SB_RXVT;
198# elif defined(XTERM_SCROLLBAR)
199 style = R_SB_XTERM;
200# elif defined(NEXT_SCROLLBAR)
201 style = R_SB_NEXT;
202# elif defined(PLAIN_SCROLLBAR)
203 style = R_SB_PLAIN;
174# else 204#else
205 style = R_SB_RXVT;
206# endif
207
208# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
209 if (scrollstyle)
210 {
175# ifdef NEXT_SCROLLBAR 211# ifdef NEXT_SCROLLBAR
212 if (strncasecmp (scrollstyle, "next", 4) == 0)
176 style = R_SB_NEXT; 213 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)
186 style = R_SB_NEXT;
187# endif 214# endif
188# ifdef XTERM_SCROLLBAR 215# ifdef XTERM_SCROLLBAR
189 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) 216 if (strncasecmp (scrollstyle, "xterm", 5) == 0)
190 style = R_SB_XTERM; 217 style = R_SB_XTERM;
191# endif 218# endif
219# ifdef PLAIN_SCROLLBAR
220 if (strncasecmp (scrollstyle, "plain", 5) == 0)
221 style = R_SB_PLAIN;
222# endif
223
192 } 224 }
193# endif 225# endif
194 if (style == R_SB_NEXT) 226 if (style == R_SB_NEXT)
195 width = SB_WIDTH_NEXT; 227 width = SB_WIDTH_NEXT;
196 else if (style == R_SB_XTERM) 228 else if (style == R_SB_XTERM)
197 width = SB_WIDTH_XTERM; 229 width = SB_WIDTH_XTERM;
230 else if (style == R_SB_PLAIN)
231 width = SB_WIDTH_PLAIN;
198 else /* if (style == R_SB_RXVT) */ 232 else /* if (style == R_SB_RXVT) */
199 width = SB_WIDTH_RXVT; 233 width = SB_WIDTH_RXVT;
200 234
201 if (style != R_SB_NEXT) /* dishonour request - for now */ 235 if (style != R_SB_NEXT) /* dishonour request - for now */
202 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) 236 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
203 width = min(i, SB_WIDTH_MAXIMUM); 237 width = min (i, SB_WIDTH_MAXIMUM);
204 238
205# if defined(RXVT_SCROLLBAR) 239# ifdef RXVT_SCROLLBAR
206 if (!(R->Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 240 if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT)
207 R->sb_shadow = SHADOW; 241 shadow = SHADOW_WIDTH;
208# endif 242# endif
209 243
210 R->scrollBar.style = style; 244 this->style = style;
211 R->scrollBar.width = width; 245 this->width = width;
212 246
213 /* R->scrollbar_align = R_SB_ALIGN_CENTRE; */ 247 /* align = R_SB_ALIGN_CENTRE; */
214 if (scrollalign) { 248 if (scrollalign)
215 if (STRNCASECMP(scrollalign, "top", 3) == 0)
216 R->scrollbar_align = R_SB_ALIGN_TOP;
217 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0)
218 R->scrollbar_align = R_SB_ALIGN_BOTTOM;
219 } 249 {
220#endif 250 if (strncasecmp (scrollalign, "top", 3) == 0)
251 align = R_SB_ALIGN_TOP;
252 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
253 align = R_SB_ALIGN_BOTTOM;
254 }
255 last_bot = last_state = -1;
256 /* cursor scrollBar: Black-on-White */
257 leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr);
221} 258}
222 259
223/*----------------------- end-of-file (C source) -----------------------*/ 260/*----------------------- end-of-file (C source) -----------------------*/
261

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