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Comparing rxvt-unicode/src/scrollbar.C (file contents):
Revision 1.9 by pcg, Sat Jan 31 02:15:02 2004 UTC vs.
Revision 1.71 by sf-exg, Sun Aug 28 18:48:41 2011 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: scrollbar.c 2 * File: scrollbar.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: scrollbar.C,v 1.9 2004/01/31 02:15:02 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 <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 34void
36rxvt_term::scrollbar_mapping (int map) 35scrollBar_t::map (int map)
37{ 36{
38 int change = 0; 37 if (map)
39
40#ifdef HAVE_SCROLLBARS
41 if (map && !scrollbar_visible()) {
42 scrollBar.setIdle ();
43 if (!scrollBar.win)
44 resize_scrollbar ();
45 if (scrollBar.win) {
46 XMapWindow(Xdisplay, scrollBar.win);
47 change = 1;
48 }
49 } else if (!map && scrollbar_visible()) {
50 scrollBar.state = 0;
51 XUnmapWindow(Xdisplay, scrollBar.win);
52 change = 1;
53 } 38 {
54#endif 39 state = STATE_IDLE;
55 return change;
56}
57 40
41 if (!win)
42 resize ();
43
44 if (win)
45 {
46 XMapWindow (term->dpy, win);
47 }
48 }
49 else
50 {
51 state = STATE_OFF;
52 XUnmapWindow (term->dpy, win);
53 }
54}
55
58void 56void
59rxvt_term::resize_scrollbar () 57scrollBar_t::resize ()
60{ 58{
61#ifdef HAVE_SCROLLBARS
62 int delayed_init = 0; 59 int delayed_init = 0;
60 int window_sb_x = 0;
63 61
64#define R_SCROLLBEG_XTERM 0 62 if (term->option (Opt_scrollBar_right))
65#define R_SCROLLEND_XTERM szHint.height 63 window_sb_x = term->szHint.width - total_width ();
66#define R_SCROLLBEG_NEXT 0
67#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \
68 SB_PADDING)
69#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow
70#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \
71 (2 * sb_shadow)
72 64
73#if defined(XTERM_SCROLLBAR) 65 update_data ();
74 if (scrollBar.style == R_SB_XTERM) { 66
75 scrollBar.beg = R_SCROLLBEG_XTERM; 67 if (!win)
76 scrollBar.end = R_SCROLLEND_XTERM;
77 scrollBar.update = &rxvt_term::scrollbar_show_xterm;
78 } 68 {
79#endif
80#if defined(NEXT_SCROLLBAR)
81 if (scrollBar.style == R_SB_NEXT) {
82 scrollBar.beg = R_SCROLLBEG_NEXT;
83 scrollBar.end = R_SCROLLEND_NEXT;
84 scrollBar.update = &rxvt_term::scrollbar_show_next;
85 }
86#endif
87#if defined(RXVT_SCROLLBAR)
88 if (scrollBar.style == R_SB_RXVT) {
89 scrollBar.beg = R_SCROLLBEG_RXVT;
90 scrollBar.end = R_SCROLLEND_RXVT;
91 scrollBar.update = &rxvt_term::scrollbar_show_rxvt;
92 }
93#endif
94
95 if (!scrollBar.win) {
96/* create the scrollbar window */ 69 /* create the scrollbar window */
97 scrollBar.win = XCreateSimpleWindow(Xdisplay, 70 win = XCreateSimpleWindow (term->dpy,
98 TermWin.parent[0], 71 term->parent,
99 window_sb_x, 0, 72 window_sb_x, 0,
100 scrollbar_TotalWidth(), 73 total_width (),
101 szHint.height, 74 term->szHint.height,
102 0, 75 0,
103 PixColors[Color_fg], 76 term->pix_colors[Color_fg],
104 PixColors[Color_bg]); 77 term->pix_colors[Color_border]);
105#ifdef DEBUG_X 78 XDefineCursor (term->dpy, win, leftptr_cursor);
106 XStoreName(Xdisplay, scrollBar.win, "scrollbar"); 79
107#endif 80 XSelectInput (term->dpy, win,
108 XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor);
109 XSelectInput(Xdisplay, scrollBar.win,
110 (ExposureMask | ButtonPressMask | ButtonReleaseMask 81 ExposureMask | ButtonPressMask | ButtonReleaseMask
111 | Button1MotionMask | Button2MotionMask 82 | Button1MotionMask | Button2MotionMask
112 | Button3MotionMask)); 83 | Button3MotionMask);
84 term->scrollbar_ev.start (term->display, win);
85
113 delayed_init = 1; 86 delayed_init = 1;
114 } 87 }
115 scrollbar_show (1); 88 else
89 XMoveResizeWindow (term->dpy, win,
90 window_sb_x, 0,
91 total_width (), term->szHint.height);
92
93 show (1);
94
116 if (delayed_init) 95 if (delayed_init)
117 XMapWindow (Xdisplay, scrollBar.win); 96 XMapWindow (term->dpy, win);
118#endif
119} 97}
120 98
121/* 99/*
122 * Update current scrollbar view w.r.t. slider heights, etc. 100 * Update current scrollbar view w.r.t. slider heights, etc.
123 */ 101 */
124int 102int
125rxvt_term::scrollbar_show (int update) 103scrollBar_t::show (int refresh)
126{ 104{
127 int ret = 0; 105 int ret;
128#ifdef HAVE_SCROLLBARS
129 int top, bot, len, adj;
130 106
131 if (!scrollbar_visible()) 107 if (!state)
132 return 0;
133
134 if (update) {
135 top = (TermWin.nscrolled - TermWin.view_start);
136 bot = top + (TermWin.nrow - 1);
137 len = max((TermWin.nscrolled + (TermWin.nrow - 1)), 1);
138 adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0;
139
140 scrollBar.top = (scrollBar.beg + (top * scrollbar_size()) / len);
141 scrollbar_len = ((bot - top) * scrollbar_size()) / len +
142 scrollbar_minheight() + adj;
143 scrollBar.bot = (scrollBar.top + scrollbar_len);
144 /* no change */
145 if (scrollBar.top == last_top
146 && scrollBar.bot == last_bot
147 && (scrollBar.state == last_state || !scrollbar_isUpDn()))
148 return 0; 108 return 0;
109
110 if (refresh)
149 } 111 {
112 int sb_top = term->view_start - term->top_row;
113 int sb_bot = sb_top + (term->nrow - 1);
114 int sb_len = max (term->nrow - 1 - term->top_row, 1);
150 115
151 ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); 116 top = beg + (sb_top * size ()) / sb_len;
117 bot = top + ecb_div_ru ((sb_bot - sb_top) * size (), sb_len) + min_height ();
118 /* no change */
119 if (top == last_top
120 && bot == last_bot
121 && (state == last_state
122 || !(state == STATE_UP || state == STATE_DOWN)))
123 return 0;
124 }
152 125
153 last_top = scrollBar.top; 126 ret = (this->*update) (refresh);
154 last_bot = scrollBar.bot; 127
128 last_top = top;
129 last_bot = bot;
155 last_state = scrollBar.state; 130 last_state = state;
156#endif
157 131
158 return ret; 132 return ret;
159} 133}
160 134
161void 135void
162rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) 136scrollBar_t::setup (rxvt_term *term)
163{ 137{
164#ifdef HAVE_SCROLLBARS
165 int i; 138 int i;
166 short style, width; 139 const char *scrollalign, *scrollstyle, *thickness;
167 140
168# if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) 141 this->term = term;
142 scrollalign = term->rs[Rs_scrollBar_align];
143 scrollstyle = term->rs[Rs_scrollstyle];
144 thickness = term->rs[Rs_scrollBar_thickness];
145
146# if defined(RXVT_SCROLLBAR)
169 style = R_SB_RXVT; 147 style = R_SB_RXVT;
148# elif defined(XTERM_SCROLLBAR)
149 style = R_SB_XTERM;
150# elif defined(NEXT_SCROLLBAR)
151 style = R_SB_NEXT;
152# elif defined(PLAIN_SCROLLBAR)
153 style = R_SB_PLAIN;
170# else 154#else
155 style = R_SB_RXVT;
156# endif
157
158# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
159 if (scrollstyle)
160 {
171# ifdef NEXT_SCROLLBAR 161# ifdef NEXT_SCROLLBAR
162 if (strncasecmp (scrollstyle, "next", 4) == 0)
172 style = R_SB_NEXT; 163 style = R_SB_NEXT;
173# elif defined(XTERM_SCROLLBAR)
174 style = R_SB_XTERM;
175# endif
176# endif
177
178# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR))
179 if (scrollstyle) {
180# ifdef NEXT_SCROLLBAR
181 if (STRNCASECMP(scrollstyle, "next", 4) == 0)
182 style = R_SB_NEXT;
183# endif 164# endif
184# ifdef XTERM_SCROLLBAR 165# ifdef XTERM_SCROLLBAR
185 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) 166 if (strncasecmp (scrollstyle, "xterm", 5) == 0)
186 style = R_SB_XTERM; 167 style = R_SB_XTERM;
187# endif 168# endif
169# ifdef PLAIN_SCROLLBAR
170 if (strncasecmp (scrollstyle, "plain", 5) == 0)
171 style = R_SB_PLAIN;
172# endif
173
188 } 174 }
189# endif 175# endif
190 if (style == R_SB_NEXT) 176 if (style == R_SB_NEXT)
191 width = SB_WIDTH_NEXT; 177 width = SB_WIDTH_NEXT;
192 else if (style == R_SB_XTERM) 178 else if (style == R_SB_XTERM)
193 width = SB_WIDTH_XTERM; 179 width = SB_WIDTH_XTERM;
180 else if (style == R_SB_PLAIN)
181 width = SB_WIDTH_PLAIN;
194 else /* if (style == R_SB_RXVT) */ 182 else /* if (style == R_SB_RXVT) */
195 width = SB_WIDTH_RXVT; 183 width = SB_WIDTH_RXVT;
196 184
197 if (style != R_SB_NEXT) /* dishonour request - for now */ 185 if (style != R_SB_NEXT) /* dishonour request - for now */
198 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) 186 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
199 width = min(i, SB_WIDTH_MAXIMUM); 187 width = min (i, SB_WIDTH_MAXIMUM);
200 188
201# if defined(RXVT_SCROLLBAR) 189# ifdef RXVT_SCROLLBAR
202 if (!(Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 190 if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT)
203 sb_shadow = SHADOW; 191 shadow = SHADOW_WIDTH;
204# endif 192# endif
205 193
206 scrollBar.style = style;
207 scrollBar.width = width;
208
209 /* scrollbar_align = R_SB_ALIGN_CENTRE; */ 194 /* align = R_SB_ALIGN_CENTRE; */
210 if (scrollalign) { 195 if (scrollalign)
211 if (STRNCASECMP(scrollalign, "top", 3) == 0) 196 {
212 scrollbar_align = R_SB_ALIGN_TOP; 197 if (strncasecmp (scrollalign, "top", 3) == 0)
213 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) 198 align = R_SB_ALIGN_TOP;
214 scrollbar_align = R_SB_ALIGN_BOTTOM; 199 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
200 align = R_SB_ALIGN_BOTTOM;
201 }
202 last_state = 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
236void
237scrollBar_t::update_data ()
238{
239#if defined(PLAIN_SCROLLBAR)
240 if (style == R_SB_PLAIN)
241 {
242 beg = 0;
243 end = term->szHint.height;
244 update = &scrollBar_t::show_plain;
245 }
246#endif
247#if defined(XTERM_SCROLLBAR)
248 if (style == R_SB_XTERM)
249 {
250 beg = 0;
251 end = term->szHint.height;
252 update = &scrollBar_t::show_xterm;
253 }
254#endif
255#if defined(NEXT_SCROLLBAR)
256 if (style == R_SB_NEXT)
257 {
258 beg = 0;
259 end = term->szHint.height - (SB_BUTTON_TOTAL_HEIGHT + SB_PADDING);
260 update = &scrollBar_t::show_next;
261 }
262#endif
263#if defined(RXVT_SCROLLBAR)
264 if (style == R_SB_RXVT)
265 {
266 beg = (width + 1) + shadow;
267 end = term->szHint.height - beg - (2 * shadow);
268 update = &scrollBar_t::show_rxvt;
215 } 269 }
216#endif 270#endif
217} 271}
218 272
219/*----------------------- end-of-file (C source) -----------------------*/ 273/*----------------------- end-of-file (C source) -----------------------*/
274

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