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Comparing rxvt-unicode/src/scrollbar.C (file contents):
Revision 1.11 by pcg, Sat Jan 31 04:16:15 2004 UTC vs.
Revision 1.77 by sf-exg, Tue Oct 2 14:47:31 2012 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 <schmorp@schmorp.de>
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 34void
35rxvt_term::scrollbar_mapping (int map) 35scrollBar_t::map (int map)
36{ 36{
37 int change = 0; 37 if (map)
38
39#ifdef HAVE_SCROLLBARS
40 if (map && !scrollbar_visible()) {
41 scrollBar.setIdle ();
42 if (!scrollBar.win)
43 resize_scrollbar ();
44 if (scrollBar.win) {
45 XMapWindow(Xdisplay, scrollBar.win);
46 change = 1;
47 }
48 } else if (!map && scrollbar_visible()) {
49 scrollBar.state = 0;
50 XUnmapWindow(Xdisplay, scrollBar.win);
51 change = 1;
52 } 38 {
53#endif 39 state = SB_STATE_IDLE;
54 return change;
55}
56 40
41 if (!win)
42 resize ();
43 else
44 XMapWindow (term->dpy, win);
45 }
46 else
47 {
48 state = SB_STATE_OFF;
49
50 if (win)
51 XUnmapWindow (term->dpy, win);
52 }
53}
54
57void 55void
58rxvt_term::resize_scrollbar () 56scrollBar_t::resize ()
59{ 57{
60#ifdef HAVE_SCROLLBARS
61 int delayed_init = 0; 58 int delayed_init = 0;
59 int window_sb_x = 0;
62 60
63#define R_SCROLLBEG_XTERM 0 61 if (term->option (Opt_scrollBar_right))
64#define R_SCROLLEND_XTERM szHint.height 62 window_sb_x = term->szHint.width - total_width ();
65#define R_SCROLLBEG_NEXT 0
66#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \
67 SB_PADDING)
68#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow
69#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \
70 (2 * sb_shadow)
71 63
72#if defined(PLAIN_SCROLLBAR) 64 update_data ();
73 if (scrollBar.style == R_SB_PLAIN) { 65
74 scrollBar.beg = R_SCROLLBEG_XTERM; 66 if (!win)
75 scrollBar.end = R_SCROLLEND_XTERM;
76 scrollBar.update = &rxvt_term::scrollbar_show_plain;
77 } 67 {
78#endif
79#if defined(XTERM_SCROLLBAR)
80 if (scrollBar.style == R_SB_XTERM) {
81 scrollBar.beg = R_SCROLLBEG_XTERM;
82 scrollBar.end = R_SCROLLEND_XTERM;
83 scrollBar.update = &rxvt_term::scrollbar_show_xterm;
84 }
85#endif
86#if defined(NEXT_SCROLLBAR)
87 if (scrollBar.style == R_SB_NEXT) {
88 scrollBar.beg = R_SCROLLBEG_NEXT;
89 scrollBar.end = R_SCROLLEND_NEXT;
90 scrollBar.update = &rxvt_term::scrollbar_show_next;
91 }
92#endif
93#if defined(RXVT_SCROLLBAR)
94 if (scrollBar.style == R_SB_RXVT) {
95 scrollBar.beg = R_SCROLLBEG_RXVT;
96 scrollBar.end = R_SCROLLEND_RXVT;
97 scrollBar.update = &rxvt_term::scrollbar_show_rxvt;
98 }
99#endif
100
101 if (!scrollBar.win) {
102/* create the scrollbar window */ 68 /* create the scrollbar window */
103 scrollBar.win = XCreateSimpleWindow(Xdisplay, 69 win = XCreateSimpleWindow (term->dpy,
104 TermWin.parent[0], 70 term->parent,
105 window_sb_x, 0, 71 window_sb_x, 0,
106 scrollbar_TotalWidth(), 72 total_width (),
107 szHint.height, 73 term->szHint.height,
108 0, 74 0,
109 PixColors[Color_fg], 75 term->pix_colors[Color_fg],
110 PixColors[Color_bg]); 76 term->pix_colors[color ()]);
111#ifdef DEBUG_X 77 XDefineCursor (term->dpy, win, leftptr_cursor);
112 XStoreName(Xdisplay, scrollBar.win, "scrollbar"); 78
113#endif 79 XSelectInput (term->dpy, win,
114 XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor);
115 XSelectInput(Xdisplay, scrollBar.win,
116 (ExposureMask | ButtonPressMask | ButtonReleaseMask 80 ExposureMask | ButtonPressMask | ButtonReleaseMask
117 | Button1MotionMask | Button2MotionMask 81 | Button1MotionMask | Button2MotionMask
118 | Button3MotionMask)); 82 | Button3MotionMask);
83 term->scrollbar_ev.start (term->display, win);
84
119 delayed_init = 1; 85 delayed_init = 1;
120 } 86 }
121 scrollbar_show (1); 87 else
88 XMoveResizeWindow (term->dpy, win,
89 window_sb_x, 0,
90 total_width (), term->szHint.height);
91
92 show (1);
93
122 if (delayed_init) 94 if (delayed_init)
123 XMapWindow (Xdisplay, scrollBar.win); 95 XMapWindow (term->dpy, win);
124#endif
125} 96}
126 97
127/* 98/*
128 * Update current scrollbar view w.r.t. slider heights, etc. 99 * Update current scrollbar view w.r.t. slider heights, etc.
129 */ 100 */
130int 101int
131rxvt_term::scrollbar_show (int update) 102scrollBar_t::show (int refresh)
132{ 103{
133 int ret = 0; 104 int ret;
134#ifdef HAVE_SCROLLBARS
135 int top, bot, len, adj;
136 105
137 if (!scrollbar_visible()) 106 if (!state)
138 return 0;
139
140 if (update) {
141 top = (TermWin.nscrolled - TermWin.view_start);
142 bot = top + (TermWin.nrow - 1);
143 len = max((TermWin.nscrolled + (TermWin.nrow - 1)), 1);
144 adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0;
145
146 scrollBar.top = (scrollBar.beg + (top * scrollbar_size()) / len);
147 scrollbar_len = ((bot - top) * scrollbar_size()) / len +
148 scrollbar_minheight() + adj;
149 scrollBar.bot = (scrollBar.top + scrollbar_len);
150 /* no change */
151 if (scrollBar.top == last_top
152 && scrollBar.bot == last_bot
153 && (scrollBar.state == last_state || !scrollbar_isUpDn()))
154 return 0; 107 return 0;
108
109 if (refresh)
155 } 110 {
111 int sb_top = term->view_start - term->top_row;
112 int sb_bot = sb_top + (term->nrow - 1);
113 int sb_len = max (term->nrow - 1 - term->top_row, 1);
114 int n = min (min_height (), size ());
156 115
157 ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); 116 top = beg + (sb_top * (size () - n)) / sb_len;
117 bot = top + ecb_div_ru ((sb_bot - sb_top) * (size () - n), sb_len) + n;
118 /* no change */
119 if (top == last_top
120 && bot == last_bot
121 && (state == last_state
122 || !(state == SB_STATE_UP || state == SB_STATE_DOWN)))
123 return 0;
124 }
158 125
159 last_top = scrollBar.top; 126 ret = (this->*update) (refresh);
160 last_bot = scrollBar.bot; 127
128 last_top = top;
129 last_bot = bot;
161 last_state = scrollBar.state; 130 last_state = state;
162#endif
163 131
164 return ret; 132 return ret;
165} 133}
166 134
167void 135void
168rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) 136scrollBar_t::setup (rxvt_term *term)
169{ 137{
170#ifdef HAVE_SCROLLBARS 138 int i;
171 int i; 139 const char *scrollalign, *scrollstyle, *thickness;
172 short style, width; 140
141 this->term = term;
142 scrollalign = term->rs[Rs_scrollBar_align];
143 scrollstyle = term->rs[Rs_scrollstyle];
144 thickness = term->rs[Rs_scrollBar_thickness];
173 145
174# if defined(RXVT_SCROLLBAR) 146# if defined(RXVT_SCROLLBAR)
175 style = R_SB_RXVT; 147 style = SB_STYLE_RXVT;
176# elif defined(XTERM_SCROLLBAR) 148# elif defined(XTERM_SCROLLBAR)
177 style = R_SB_XTERM; 149 style = SB_STYLE_XTERM;
178# elif defined(NEXT_SCROLLBAR) 150# elif defined(NEXT_SCROLLBAR)
179 style = R_SB_NEXT; 151 style = SB_STYLE_NEXT;
180# elif defined(PLAIN_SCROLLBAR) 152# elif defined(PLAIN_SCROLLBAR)
181 style = R_SB_PLAIN; 153 style = SB_STYLE_PLAIN;
182#else 154#else
183 style = R_SB_RXVT; 155 style = SB_STYLE_RXVT;
184# endif 156# endif
185 157
186# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)) 158# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
187 if (scrollstyle) { 159 if (scrollstyle)
160 {
188# ifdef NEXT_SCROLLBAR 161# ifdef NEXT_SCROLLBAR
189 if (STRNCASECMP(scrollstyle, "next", 4) == 0) 162 if (strncasecmp (scrollstyle, "next", 4) == 0)
190 style = R_SB_NEXT; 163 style = SB_STYLE_NEXT;
191# endif 164# endif
192# ifdef XTERM_SCROLLBAR 165# ifdef XTERM_SCROLLBAR
193 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) 166 if (strncasecmp (scrollstyle, "xterm", 5) == 0)
194 style = R_SB_XTERM; 167 style = SB_STYLE_XTERM;
195# endif 168# endif
196# ifdef PLAIN_SCROLLBAR 169# ifdef PLAIN_SCROLLBAR
197 if (STRNCASECMP(scrollstyle, "plain", 5) == 0) 170 if (strncasecmp (scrollstyle, "plain", 5) == 0)
198 style = R_SB_PLAIN; 171 style = SB_STYLE_PLAIN;
199# endif 172# endif
173
200 } 174 }
201# endif 175# endif
202 if (style == R_SB_NEXT) 176 if (style == SB_STYLE_NEXT)
203 width = SB_WIDTH_NEXT; 177 width = SB_WIDTH_NEXT;
204 else if (style == R_SB_XTERM) 178 else if (style == SB_STYLE_XTERM)
205 width = SB_WIDTH_XTERM; 179 width = SB_WIDTH_XTERM;
206 else if (style == R_SB_PLAIN) 180 else if (style == SB_STYLE_PLAIN)
207 width = SB_WIDTH_PLAIN; 181 width = SB_WIDTH_PLAIN;
208 else /* if (style == R_SB_RXVT) */ 182 else /* if (style == SB_STYLE_RXVT) */
209 width = SB_WIDTH_RXVT; 183 width = SB_WIDTH_RXVT;
210 184
211 if (style != R_SB_NEXT) /* dishonour request - for now */ 185 if (style != SB_STYLE_NEXT) /* dishonour request - for now */
212 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) 186 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
213 width = min(i, SB_WIDTH_MAXIMUM); 187 width = min (i, SB_WIDTH_MAXIMUM);
214 188
215# if defined(RXVT_SCROLLBAR) 189# ifdef RXVT_SCROLLBAR
216 if (!(Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 190 if (! term->option (Opt_scrollBar_floating) && style == SB_STYLE_RXVT)
217 sb_shadow = SHADOW; 191 shadow = SHADOW_WIDTH;
218# endif 192# endif
219 193
220 scrollBar.style = style;
221 scrollBar.width = width;
222
223 /* scrollbar_align = R_SB_ALIGN_CENTRE; */ 194 /* align = SB_ALIGN_CENTRE; */
224 if (scrollalign) { 195 if (scrollalign)
225 if (STRNCASECMP(scrollalign, "top", 3) == 0) 196 {
226 scrollbar_align = R_SB_ALIGN_TOP; 197 if (strncasecmp (scrollalign, "top", 3) == 0)
227 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) 198 align = SB_ALIGN_TOP;
228 scrollbar_align = R_SB_ALIGN_BOTTOM; 199 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
200 align = SB_ALIGN_BOTTOM;
201 }
202 last_state = SB_STATE_OFF;
203 /* cursor scrollBar: Black-on-White */
204 leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr);
205}
206
207void
208scrollBar_t::destroy ()
209{
210#ifdef XTERM_SCROLLBAR
211 if (xscrollbarGC) XFreeGC (term->dpy, xscrollbarGC);
212 if (ShadowGC) XFreeGC (term->dpy, ShadowGC);
213#endif
214#ifdef PLAIN_SCROLLBAR
215 if (pscrollbarGC) XFreeGC (term->dpy, pscrollbarGC);
216#endif
217#ifdef NEXT_SCROLLBAR
218 if (blackGC) XFreeGC (term->dpy, blackGC);
219 if (whiteGC) XFreeGC (term->dpy, whiteGC);
220 if (grayGC) XFreeGC (term->dpy, grayGC);
221 if (darkGC) XFreeGC (term->dpy, darkGC);
222 if (stippleGC) XFreeGC (term->dpy, stippleGC);
223 if (dimple) XFreePixmap (term->dpy, dimple);
224 if (upArrow) XFreePixmap (term->dpy, upArrow);
225 if (downArrow) XFreePixmap (term->dpy, downArrow);
226 if (upArrowHi) XFreePixmap (term->dpy, upArrowHi);
227 if (downArrowHi) XFreePixmap (term->dpy, downArrowHi);
228#endif
229#ifdef RXVT_SCROLLBAR
230 if (topShadowGC) XFreeGC (term->dpy, topShadowGC);
231 if (botShadowGC) XFreeGC (term->dpy, botShadowGC);
232 if (scrollbarGC) XFreeGC (term->dpy, scrollbarGC);
233#endif
234}
235
236int
237scrollBar_t::color ()
238{
239 if (style == SB_STYLE_RXVT && shadow)
240 return Color_trough;
241 else
242 return Color_border;
243}
244
245void
246scrollBar_t::update_data ()
247{
248#if defined(PLAIN_SCROLLBAR)
249 if (style == SB_STYLE_PLAIN)
250 {
251 beg = 0;
252 end = term->szHint.height;
253 update = &scrollBar_t::show_plain;
254 }
255#endif
256#if defined(XTERM_SCROLLBAR)
257 if (style == SB_STYLE_XTERM)
258 {
259 beg = 0;
260 end = term->szHint.height;
261 update = &scrollBar_t::show_xterm;
262 }
263#endif
264#if defined(NEXT_SCROLLBAR)
265 if (style == SB_STYLE_NEXT)
266 {
267 beg = 0;
268 end = term->szHint.height - (SB_BUTTON_TOTAL_HEIGHT + SB_PADDING);
269 update = &scrollBar_t::show_next;
270 }
271#endif
272#if defined(RXVT_SCROLLBAR)
273 if (style == SB_STYLE_RXVT)
274 {
275 beg = (width + 1) + shadow;
276 end = term->szHint.height - beg;
277 update = &scrollBar_t::show_rxvt;
229 } 278 }
230#endif 279#endif
231} 280}
232 281
233/*----------------------- end-of-file (C source) -----------------------*/ 282/*----------------------- end-of-file (C source) -----------------------*/

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