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Comparing rxvt-unicode/src/scrollbar.C (file contents):
Revision 1.15 by pcg, Thu Apr 8 20:31:45 2004 UTC vs.
Revision 1.68 by sf-exg, Mon Aug 22 17:09:46 2011 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 Marc Lehmann <pcg@goof.com> 9 * Copyright (c) 2004-2006 Marc Lehmann <schmorp@schmorp.de>
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 */
35int 34int
36rxvt_term::scrollbar_mapping (int map) 35scrollBar_t::map (int map)
37{ 36{
38 int change = 0; 37 int change = 0;
39 38
40#ifdef HAVE_SCROLLBARS 39 if (map)
41 if (map && !scrollbar_visible ())
42 { 40 {
43 scrollBar.setIdle (); 41 state = STATE_IDLE;
42
44 if (!scrollBar.win) 43 if (!win)
45 resize_scrollbar (); 44 resize ();
46 if (scrollBar.win) 45
46 if (win)
47 { 47 {
48 XMapWindow (display->display, scrollBar.win); 48 XMapWindow (term->dpy, win);
49 change = 1; 49 change = 1;
50 } 50 }
51 } 51 }
52 else if (!map && scrollbar_visible ()) 52 else
53 { 53 {
54 scrollBar.state = 0; 54 state = STATE_OFF;
55 XUnmapWindow (display->display, scrollBar.win); 55 XUnmapWindow (term->dpy, win);
56 change = 1; 56 change = 1;
57 } 57 }
58#endif 58
59 return change; 59 return change;
60} 60}
61 61
62void 62void
63rxvt_term::resize_scrollbar () 63scrollBar_t::resize ()
64{ 64{
65#ifdef HAVE_SCROLLBARS
66 int delayed_init = 0; 65 int delayed_init = 0;
66 int window_sb_x = 0;
67 67
68#define R_SCROLLBEG_XTERM 0 68 if (term->option (Opt_scrollBar_right))
69#define R_SCROLLEND_XTERM szHint.height 69 window_sb_x = term->szHint.width - total_width ();
70#define R_SCROLLBEG_NEXT 0
71#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \
72 SB_PADDING)
73#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow
74#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \
75 (2 * sb_shadow)
76 70
77#if defined(PLAIN_SCROLLBAR) 71 update_data ();
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
85#if defined(XTERM_SCROLLBAR)
86 if (scrollBar.style == R_SB_XTERM)
87 {
88 scrollBar.beg = R_SCROLLBEG_XTERM;
89 scrollBar.end = R_SCROLLEND_XTERM;
90 scrollBar.update = &rxvt_term::scrollbar_show_xterm;
91 }
92#endif
93#if defined(NEXT_SCROLLBAR)
94 if (scrollBar.style == R_SB_NEXT)
95 {
96 scrollBar.beg = R_SCROLLBEG_NEXT;
97 scrollBar.end = R_SCROLLEND_NEXT;
98 scrollBar.update = &rxvt_term::scrollbar_show_next;
99 }
100#endif
101#if defined(RXVT_SCROLLBAR)
102 if (scrollBar.style == R_SB_RXVT)
103 {
104 scrollBar.beg = R_SCROLLBEG_RXVT;
105 scrollBar.end = R_SCROLLEND_RXVT;
106 scrollBar.update = &rxvt_term::scrollbar_show_rxvt;
107 }
108#endif
109 72
110 if (!scrollBar.win) 73 if (!win)
111 { 74 {
112 /* create the scrollbar window */ 75 /* create the scrollbar window */
113 scrollBar.win = XCreateSimpleWindow (display->display, 76 win = XCreateSimpleWindow (term->dpy,
114 TermWin.parent[0], 77 term->parent,
115 window_sb_x, 0, 78 window_sb_x, 0,
116 scrollbar_TotalWidth (), 79 total_width (),
117 szHint.height, 80 term->szHint.height,
118 0, 81 0,
119 PixColors[Color_fg], 82 term->pix_colors[Color_fg],
120 PixColors[Color_bg]); 83 term->pix_colors[Color_border]);
121#ifdef DEBUG_X
122 XStoreName (display->display, scrollBar.win, "scrollbar");
123#endif
124 XDefineCursor (display->display, scrollBar.win, leftptr_cursor); 84 XDefineCursor (term->dpy, win, leftptr_cursor);
125 85
126 XSelectInput (display->display, scrollBar.win, 86 XSelectInput (term->dpy, win,
127 ExposureMask | ButtonPressMask | ButtonReleaseMask 87 ExposureMask | ButtonPressMask | ButtonReleaseMask
128 | Button1MotionMask | Button2MotionMask 88 | Button1MotionMask | Button2MotionMask
129 | Button3MotionMask); 89 | Button3MotionMask);
130 scrollbar_ev.start (display, scrollBar.win); 90 term->scrollbar_ev.start (term->display, win);
131 91
132 delayed_init = 1; 92 delayed_init = 1;
133 } 93 }
94 else
95 XMoveResizeWindow (term->dpy, win,
96 window_sb_x, 0,
97 total_width (), term->szHint.height);
134 98
135 scrollbar_show (1); 99 show (1);
136 100
137 if (delayed_init) 101 if (delayed_init)
138 XMapWindow (display->display, scrollBar.win); 102 XMapWindow (term->dpy, win);
139#endif
140} 103}
141 104
142/* 105/*
143 * Update current scrollbar view w.r.t. slider heights, etc. 106 * Update current scrollbar view w.r.t. slider heights, etc.
144 */ 107 */
145int 108int
146rxvt_term::scrollbar_show (int update) 109scrollBar_t::show (int refresh)
147{ 110{
148 int ret = 0; 111 int ret;
149#ifdef HAVE_SCROLLBARS
150 int top, bot, len, adj;
151 112
152 if (!scrollbar_visible ()) 113 if (!state)
153 return 0; 114 return 0;
154 115
155 if (update) 116 if (refresh)
156 { 117 {
157 top = (TermWin.nscrolled - TermWin.view_start); 118 int sb_top = term->view_start - term->top_row;
158 bot = top + (TermWin.nrow - 1); 119 int sb_bot = sb_top + (term->nrow - 1);
159 len = max ((TermWin.nscrolled + (TermWin.nrow - 1)), 1); 120 int sb_len = max (term->nrow - 1 - term->top_row, 1);
160 adj = (((bot - top) * scrollbar_size ()) % len) > 0 ? 1 : 0; 121 int sb_size = (sb_bot - sb_top) * size ();
161 122
162 scrollBar.top = (scrollBar.beg + (top * scrollbar_size ()) / len); 123 top = beg + (sb_top * size ()) / sb_len;
163 scrollbar_len = ((bot - top) * scrollbar_size ()) / len + 124 bot = top + sb_size / sb_len + min_height () + (sb_size % sb_len > 0);
164 scrollbar_minheight () + adj;
165 scrollBar.bot = (scrollBar.top + scrollbar_len);
166 /* no change */ 125 /* no change */
167 if (scrollBar.top == last_top 126 if (top == last_top
168 && scrollBar.bot == last_bot 127 && bot == last_bot
169 && (scrollBar.state == last_state || !scrollbar_isUpDn ())) 128 && (state == last_state
129 || !(state == STATE_UP || state == STATE_DOWN)))
170 return 0; 130 return 0;
171 } 131 }
172 132
173 ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); 133 ret = (this->*update) (refresh);
174 134
175 last_top = scrollBar.top; 135 last_top = top;
176 last_bot = scrollBar.bot; 136 last_bot = bot;
177 last_state = scrollBar.state; 137 last_state = state;
178#endif
179 138
180 return ret; 139 return ret;
181} 140}
182 141
183void 142void
184rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) 143scrollBar_t::setup (rxvt_term *term)
185{ 144{
186#ifdef HAVE_SCROLLBARS
187 int i; 145 int i;
188 short style, width; 146 short width;
147 const char *scrollalign, *scrollstyle, *thickness;
148 enum sb_style style;
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];
189 154
190# if defined(RXVT_SCROLLBAR) 155# if defined(RXVT_SCROLLBAR)
191 style = R_SB_RXVT; 156 style = R_SB_RXVT;
192# elif defined(XTERM_SCROLLBAR) 157# elif defined(XTERM_SCROLLBAR)
193 style = R_SB_XTERM; 158 style = R_SB_XTERM;
… …
201 166
202# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)) 167# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
203 if (scrollstyle) 168 if (scrollstyle)
204 { 169 {
205# ifdef NEXT_SCROLLBAR 170# ifdef NEXT_SCROLLBAR
206 if (STRNCASECMP (scrollstyle, "next", 4) == 0) 171 if (strncasecmp (scrollstyle, "next", 4) == 0)
207 style = R_SB_NEXT; 172 style = R_SB_NEXT;
208# endif 173# endif
209# ifdef XTERM_SCROLLBAR 174# ifdef XTERM_SCROLLBAR
210 if (STRNCASECMP (scrollstyle, "xterm", 5) == 0) 175 if (strncasecmp (scrollstyle, "xterm", 5) == 0)
211 style = R_SB_XTERM; 176 style = R_SB_XTERM;
212# endif 177# endif
213# ifdef PLAIN_SCROLLBAR 178# ifdef PLAIN_SCROLLBAR
214 if (STRNCASECMP (scrollstyle, "plain", 5) == 0) 179 if (strncasecmp (scrollstyle, "plain", 5) == 0)
215 style = R_SB_PLAIN; 180 style = R_SB_PLAIN;
216# endif 181# endif
217 182
218 } 183 }
219# endif 184# endif
… …
228 193
229 if (style != R_SB_NEXT) /* dishonour request - for now */ 194 if (style != R_SB_NEXT) /* dishonour request - for now */
230 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM) 195 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
231 width = min (i, SB_WIDTH_MAXIMUM); 196 width = min (i, SB_WIDTH_MAXIMUM);
232 197
233# if defined(RXVT_SCROLLBAR) 198# ifdef RXVT_SCROLLBAR
234 if (! (Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 199 if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT)
235 sb_shadow = SHADOW; 200 shadow = SHADOW_WIDTH;
236# endif 201# endif
237 202
238 scrollBar.style = style; 203 this->style = style;
239 scrollBar.width = width; 204 this->width = width;
240 205
241 /* scrollbar_align = R_SB_ALIGN_CENTRE; */ 206 /* align = R_SB_ALIGN_CENTRE; */
242 if (scrollalign) 207 if (scrollalign)
243 { 208 {
244 if (STRNCASECMP (scrollalign, "top", 3) == 0) 209 if (strncasecmp (scrollalign, "top", 3) == 0)
245 scrollbar_align = R_SB_ALIGN_TOP; 210 align = R_SB_ALIGN_TOP;
246 else if (STRNCASECMP (scrollalign, "bottom", 6) == 0) 211 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
247 scrollbar_align = R_SB_ALIGN_BOTTOM; 212 align = R_SB_ALIGN_BOTTOM;
213 }
214 last_state = STATE_OFF;
215 /* cursor scrollBar: Black-on-White */
216 leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr);
217}
218
219void
220scrollBar_t::destroy ()
221{
222#ifdef XTERM_SCROLLBAR
223 if (xscrollbarGC) XFreeGC (term->dpy, xscrollbarGC);
224 if (ShadowGC) XFreeGC (term->dpy, ShadowGC);
225#endif
226#ifdef PLAIN_SCROLLBAR
227 if (pscrollbarGC) XFreeGC (term->dpy, pscrollbarGC);
228#endif
229#ifdef NEXT_SCROLLBAR
230 if (blackGC) XFreeGC (term->dpy, blackGC);
231 if (whiteGC) XFreeGC (term->dpy, whiteGC);
232 if (grayGC) XFreeGC (term->dpy, grayGC);
233 if (darkGC) XFreeGC (term->dpy, darkGC);
234 if (stippleGC) XFreeGC (term->dpy, stippleGC);
235 if (dimple) XFreePixmap (term->dpy, dimple);
236 if (upArrow) XFreePixmap (term->dpy, upArrow);
237 if (downArrow) XFreePixmap (term->dpy, downArrow);
238 if (upArrowHi) XFreePixmap (term->dpy, upArrowHi);
239 if (downArrowHi) XFreePixmap (term->dpy, downArrowHi);
240#endif
241#ifdef RXVT_SCROLLBAR
242 if (topShadowGC) XFreeGC (term->dpy, topShadowGC);
243 if (botShadowGC) XFreeGC (term->dpy, botShadowGC);
244 if (scrollbarGC) XFreeGC (term->dpy, scrollbarGC);
245#endif
246}
247
248void
249scrollBar_t::update_data ()
250{
251#if defined(PLAIN_SCROLLBAR)
252 if (style == R_SB_PLAIN)
253 {
254 beg = 0;
255 end = term->szHint.height;
256 update = &scrollBar_t::show_plain;
257 }
258#endif
259#if defined(XTERM_SCROLLBAR)
260 if (style == R_SB_XTERM)
261 {
262 beg = 0;
263 end = term->szHint.height;
264 update = &scrollBar_t::show_xterm;
265 }
266#endif
267#if defined(NEXT_SCROLLBAR)
268 if (style == R_SB_NEXT)
269 {
270 beg = 0;
271 end = term->szHint.height - (SB_BUTTON_TOTAL_HEIGHT + SB_PADDING);
272 update = &scrollBar_t::show_next;
273 }
274#endif
275#if defined(RXVT_SCROLLBAR)
276 if (style == R_SB_RXVT)
277 {
278 beg = (width + 1) + shadow;
279 end = term->szHint.height - beg - (2 * shadow);
280 update = &scrollBar_t::show_rxvt;
248 } 281 }
249#endif 282#endif
250} 283}
251 284
252/*----------------------- end-of-file (C source) -----------------------*/ 285/*----------------------- end-of-file (C source) -----------------------*/

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