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Comparing rxvt-unicode/src/scrollbar.C (file contents):
Revision 1.13 by pcg, Mon Feb 9 07:11:49 2004 UTC vs.
Revision 1.60 by ayin, Tue Feb 19 10:47:03 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) 35scrollBar_t::map (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())
41 { 40 {
42 scrollBar.setIdle (); 41 state = STATE_IDLE;
42
43 if (!scrollBar.win) 43 if (!win)
44 resize_scrollbar (); 44 resize ();
45 if (scrollBar.win) 45
46 if (win)
46 { 47 {
47 XMapWindow(display->display, scrollBar.win); 48 XMapWindow (term->dpy, win);
48 change = 1; 49 change = 1;
49 } 50 }
50 } 51 }
51 else if (!map && scrollbar_visible()) 52 else
52 { 53 {
53 scrollBar.state = 0; 54 state = 0;
54 XUnmapWindow(display->display, scrollBar.win); 55 XUnmapWindow (term->dpy, win);
55 change = 1; 56 change = 1;
56 } 57 }
57#endif 58
58 return change; 59 return change;
59} 60}
60 61
61void 62void
62rxvt_term::resize_scrollbar () 63scrollBar_t::resize ()
63{ 64{
64#ifdef HAVE_SCROLLBARS
65 int delayed_init = 0; 65 int delayed_init = 0;
66 int window_sb_x = 0;
66 67
67#define R_SCROLLBEG_XTERM 0 68 if (term->option (Opt_scrollBar_right))
68#define R_SCROLLEND_XTERM szHint.height 69 window_sb_x = term->szHint.width - total_width ();
69#define R_SCROLLBEG_NEXT 0
70#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \
71 SB_PADDING)
72#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow
73#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \
74 (2 * sb_shadow)
75 70
76#if defined(PLAIN_SCROLLBAR) 71 update_data ();
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
84#if defined(XTERM_SCROLLBAR)
85 if (scrollBar.style == R_SB_XTERM)
86 {
87 scrollBar.beg = R_SCROLLBEG_XTERM;
88 scrollBar.end = R_SCROLLEND_XTERM;
89 scrollBar.update = &rxvt_term::scrollbar_show_xterm;
90 }
91#endif
92#if defined(NEXT_SCROLLBAR)
93 if (scrollBar.style == R_SB_NEXT)
94 {
95 scrollBar.beg = R_SCROLLBEG_NEXT;
96 scrollBar.end = R_SCROLLEND_NEXT;
97 scrollBar.update = &rxvt_term::scrollbar_show_next;
98 }
99#endif
100#if defined(RXVT_SCROLLBAR)
101 if (scrollBar.style == R_SB_RXVT)
102 {
103 scrollBar.beg = R_SCROLLBEG_RXVT;
104 scrollBar.end = R_SCROLLEND_RXVT;
105 scrollBar.update = &rxvt_term::scrollbar_show_rxvt;
106 }
107#endif
108 72
109 if (!scrollBar.win) 73 if (!win)
110 { 74 {
111 /* create the scrollbar window */ 75 /* create the scrollbar window */
112 scrollBar.win = XCreateSimpleWindow(display->display, 76 win = XCreateSimpleWindow (term->dpy,
113 TermWin.parent[0], 77 term->parent[0],
114 window_sb_x, 0, 78 window_sb_x, 0,
115 scrollbar_TotalWidth(), 79 total_width (),
116 szHint.height, 80 term->szHint.height,
117 0, 81 0,
118 PixColors[Color_fg], 82 term->pix_colors[Color_fg],
119 PixColors[Color_bg]); 83 term->pix_colors[Color_border]);
120#ifdef DEBUG_X
121 XStoreName(display->display, scrollBar.win, "scrollbar");
122#endif
123 XDefineCursor(display->display, scrollBar.win, leftptr_cursor); 84 XDefineCursor (term->dpy, win, leftptr_cursor);
124 85
125 XSelectInput(display->display, scrollBar.win, 86 XSelectInput (term->dpy, win,
126 ExposureMask | ButtonPressMask | ButtonReleaseMask 87 ExposureMask | ButtonPressMask | ButtonReleaseMask
127 | Button1MotionMask | Button2MotionMask 88 | Button1MotionMask | Button2MotionMask
128 | Button3MotionMask); 89 | Button3MotionMask);
129 scrollbar_ev.start (display, scrollBar.win); 90 term->scrollbar_ev.start (term->display, win);
130 91
131 delayed_init = 1; 92 delayed_init = 1;
132 } 93 }
94 else
95 XMoveResizeWindow (term->dpy, win,
96 window_sb_x, 0,
97 total_width (), term->szHint.height);
133 98
134 scrollbar_show (1); 99 show (1);
135 100
136 if (delayed_init) 101 if (delayed_init)
137 XMapWindow (display->display, scrollBar.win); 102 XMapWindow (term->dpy, win);
138#endif
139} 103}
140 104
141/* 105/*
142 * Update current scrollbar view w.r.t. slider heights, etc. 106 * Update current scrollbar view w.r.t. slider heights, etc.
143 */ 107 */
144int 108int
145rxvt_term::scrollbar_show (int update) 109scrollBar_t::show (int refresh)
146{ 110{
147 int ret = 0; 111 int ret;
148#ifdef HAVE_SCROLLBARS
149 int top, bot, len, adj;
150 112
151 if (!scrollbar_visible()) 113 if (!state)
152 return 0; 114 return 0;
153 115
154 if (update) 116 if (refresh)
155 { 117 {
156 top = (TermWin.nscrolled - TermWin.view_start); 118 int sb_top = term->view_start - term->top_row;
157 bot = top + (TermWin.nrow - 1); 119 int sb_bot = sb_top + (term->nrow - 1);
158 len = max((TermWin.nscrolled + (TermWin.nrow - 1)), 1); 120 int sb_len = max (term->nrow - 1 - term->top_row, 1);
159 adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0; 121 int sb_size = (sb_bot - sb_top) * size ();
160 122
161 scrollBar.top = (scrollBar.beg + (top * scrollbar_size()) / len); 123 top = beg + (sb_top * size ()) / sb_len;
162 scrollbar_len = ((bot - top) * scrollbar_size()) / len + 124 len = sb_size / sb_len + min_height () + (sb_size % sb_len > 0);
163 scrollbar_minheight() + adj; 125 bot = top + len;
164 scrollBar.bot = (scrollBar.top + scrollbar_len);
165 /* no change */ 126 /* no change */
166 if (scrollBar.top == last_top 127 if (top == last_top
167 && scrollBar.bot == last_bot 128 && bot == last_bot
168 && (scrollBar.state == last_state || !scrollbar_isUpDn())) 129 && (state == last_state
130 || !(state == STATE_UP || state == STATE_DOWN)))
169 return 0; 131 return 0;
170 } 132 }
171 133
172 ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); 134 ret = (term->*update) (refresh, last_top, last_bot, len);
173 135
174 last_top = scrollBar.top; 136 last_top = top;
175 last_bot = scrollBar.bot; 137 last_bot = bot;
176 last_state = scrollBar.state; 138 last_state = state;
177#endif
178 139
179 return ret; 140 return ret;
180} 141}
181 142
182void 143void
183rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) 144scrollBar_t::setup (rxvt_term *term)
184{ 145{
185#ifdef HAVE_SCROLLBARS
186 int i; 146 int i;
187 short style, width; 147 short style, width;
148 const char *scrollalign, *scrollstyle, *thickness;
149
150 this->term = term;
151 scrollalign = term->rs[Rs_scrollBar_align];
152 scrollstyle = term->rs[Rs_scrollstyle];
153 thickness = term->rs[Rs_scrollBar_thickness];
188 154
189# if defined(RXVT_SCROLLBAR) 155# if defined(RXVT_SCROLLBAR)
190 style = R_SB_RXVT; 156 style = R_SB_RXVT;
191# elif defined(XTERM_SCROLLBAR) 157# elif defined(XTERM_SCROLLBAR)
192 style = R_SB_XTERM; 158 style = R_SB_XTERM;
… …
200 166
201# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)) 167# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
202 if (scrollstyle) 168 if (scrollstyle)
203 { 169 {
204# ifdef NEXT_SCROLLBAR 170# ifdef NEXT_SCROLLBAR
205 if (STRNCASECMP(scrollstyle, "next", 4) == 0) 171 if (strncasecmp (scrollstyle, "next", 4) == 0)
206 style = R_SB_NEXT; 172 style = R_SB_NEXT;
207# endif 173# endif
208# ifdef XTERM_SCROLLBAR 174# ifdef XTERM_SCROLLBAR
209 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) 175 if (strncasecmp (scrollstyle, "xterm", 5) == 0)
210 style = R_SB_XTERM; 176 style = R_SB_XTERM;
211# endif 177# endif
212# ifdef PLAIN_SCROLLBAR 178# ifdef PLAIN_SCROLLBAR
213 if (STRNCASECMP(scrollstyle, "plain", 5) == 0) 179 if (strncasecmp (scrollstyle, "plain", 5) == 0)
214 style = R_SB_PLAIN; 180 style = R_SB_PLAIN;
215# endif 181# endif
216 182
217 } 183 }
218# endif 184# endif
… …
224 width = SB_WIDTH_PLAIN; 190 width = SB_WIDTH_PLAIN;
225 else /* if (style == R_SB_RXVT) */ 191 else /* if (style == R_SB_RXVT) */
226 width = SB_WIDTH_RXVT; 192 width = SB_WIDTH_RXVT;
227 193
228 if (style != R_SB_NEXT) /* dishonour request - for now */ 194 if (style != R_SB_NEXT) /* dishonour request - for now */
229 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) 195 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
230 width = min(i, SB_WIDTH_MAXIMUM); 196 width = min (i, SB_WIDTH_MAXIMUM);
231 197
232# if defined(RXVT_SCROLLBAR) 198# ifdef RXVT_SCROLLBAR
233 if (!(Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 199 if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT)
234 sb_shadow = SHADOW; 200 shadow = SHADOW_WIDTH;
235# endif 201# endif
236 202
237 scrollBar.style = style; 203 this->style = style;
238 scrollBar.width = width; 204 this->width = width;
239 205
240 /* scrollbar_align = R_SB_ALIGN_CENTRE; */ 206 /* align = R_SB_ALIGN_CENTRE; */
241 if (scrollalign) 207 if (scrollalign)
242 { 208 {
243 if (STRNCASECMP(scrollalign, "top", 3) == 0) 209 if (strncasecmp (scrollalign, "top", 3) == 0)
244 scrollbar_align = R_SB_ALIGN_TOP; 210 align = R_SB_ALIGN_TOP;
245 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) 211 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
246 scrollbar_align = R_SB_ALIGN_BOTTOM; 212 align = R_SB_ALIGN_BOTTOM;
213 }
214 last_bot = last_state = -1;
215 /* cursor scrollBar: Black-on-White */
216 leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr);
217}
218
219void
220scrollBar_t::update_data ()
221{
222#if defined(PLAIN_SCROLLBAR)
223 if (style == R_SB_PLAIN)
224 {
225 beg = 0;
226 end = term->szHint.height;
227 update = &rxvt_term::scrollbar_show_plain;
228 }
229#endif
230#if defined(XTERM_SCROLLBAR)
231 if (style == R_SB_XTERM)
232 {
233 beg = 0;
234 end = term->szHint.height;
235 update = &rxvt_term::scrollbar_show_xterm;
236 }
237#endif
238#if defined(NEXT_SCROLLBAR)
239 if (style == R_SB_NEXT)
240 {
241 beg = 0;
242 end = term->szHint.height - (SB_BUTTON_TOTAL_HEIGHT + SB_PADDING);
243 update = &rxvt_term::scrollbar_show_next;
244 }
245#endif
246#if defined(RXVT_SCROLLBAR)
247 if (style == R_SB_RXVT)
248 {
249 beg = (width + 1) + shadow;
250 end = term->szHint.height - beg - (2 * shadow);
251 update = &rxvt_term::scrollbar_show_rxvt;
247 } 252 }
248#endif 253#endif
249} 254}
250 255
251/*----------------------- end-of-file (C source) -----------------------*/ 256/*----------------------- end-of-file (C source) -----------------------*/

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