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Comparing rxvt-unicode/src/scrollbar.C (file contents):
Revision 1.24 by root, Mon Aug 23 19:47:03 2004 UTC vs.
Revision 1.69 by sf-exg, Thu Aug 25 18:01:28 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.
… …
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
40 if (map) 39 if (map)
41 { 40 {
42 scrollBar.setIdle (); 41 state = STATE_IDLE;
43 42
44 if (!scrollBar.win) 43 if (!win)
45 resize_scrollbar (); 44 resize ();
46 45
47 if (scrollBar.win) 46 if (win)
48 { 47 {
49 XMapWindow (display->display, scrollBar.win); 48 XMapWindow (term->dpy, win);
50 change = 1; 49 change = 1;
51 } 50 }
52 } 51 }
53 else 52 else
54 { 53 {
55 scrollBar.state = 0; 54 state = STATE_OFF;
56 XUnmapWindow (display->display, scrollBar.win); 55 XUnmapWindow (term->dpy, win);
57 change = 1; 56 change = 1;
58 } 57 }
59#endif 58
60 return change; 59 return change;
61} 60}
62 61
63void 62void
64rxvt_term::resize_scrollbar () 63scrollBar_t::resize ()
65{ 64{
66#ifdef HAVE_SCROLLBARS
67 int delayed_init = 0; 65 int delayed_init = 0;
66 int window_sb_x = 0;
68 67
69#define R_SCROLLBEG_XTERM 0 68 if (term->option (Opt_scrollBar_right))
70#define R_SCROLLEND_XTERM szHint.height 69 window_sb_x = term->szHint.width - total_width ();
71#define R_SCROLLBEG_NEXT 0
72#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \
73 SB_PADDING)
74#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow
75#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \
76 (2 * sb_shadow)
77 70
78#if defined(PLAIN_SCROLLBAR) 71 update_data ();
79 if (scrollBar.style == R_SB_PLAIN)
80 {
81 scrollBar.beg = R_SCROLLBEG_XTERM;
82 scrollBar.end = R_SCROLLEND_XTERM;
83 scrollBar.update = &rxvt_term::scrollbar_show_plain;
84 }
85#endif
86#if defined(XTERM_SCROLLBAR)
87 if (scrollBar.style == R_SB_XTERM)
88 {
89 scrollBar.beg = R_SCROLLBEG_XTERM;
90 scrollBar.end = R_SCROLLEND_XTERM;
91 scrollBar.update = &rxvt_term::scrollbar_show_xterm;
92 }
93#endif
94#if defined(NEXT_SCROLLBAR)
95 if (scrollBar.style == R_SB_NEXT)
96 {
97 scrollBar.beg = R_SCROLLBEG_NEXT;
98 scrollBar.end = R_SCROLLEND_NEXT;
99 scrollBar.update = &rxvt_term::scrollbar_show_next;
100 }
101#endif
102#if defined(RXVT_SCROLLBAR)
103 if (scrollBar.style == R_SB_RXVT)
104 {
105 scrollBar.beg = R_SCROLLBEG_RXVT;
106 scrollBar.end = R_SCROLLEND_RXVT;
107 scrollBar.update = &rxvt_term::scrollbar_show_rxvt;
108 }
109#endif
110 72
111 if (!scrollBar.win) 73 if (!win)
112 { 74 {
113 /* create the scrollbar window */ 75 /* create the scrollbar window */
114 scrollBar.win = XCreateSimpleWindow (display->display, 76 win = XCreateSimpleWindow (term->dpy,
115 TermWin.parent[0], 77 term->parent,
116 window_sb_x, 0, 78 window_sb_x, 0,
117 scrollbar_TotalWidth (), 79 total_width (),
118 szHint.height, 80 term->szHint.height,
119 0, 81 0,
120 pix_colors[Color_fg], 82 term->pix_colors[Color_fg],
121 pix_colors[Color_border]); 83 term->pix_colors[Color_border]);
122#ifdef DEBUG_X
123 XStoreName (display->display, scrollBar.win, "scrollbar");
124#endif
125 XDefineCursor (display->display, scrollBar.win, leftptr_cursor); 84 XDefineCursor (term->dpy, win, leftptr_cursor);
126 85
127 XSelectInput (display->display, scrollBar.win, 86 XSelectInput (term->dpy, win,
128 ExposureMask | ButtonPressMask | ButtonReleaseMask 87 ExposureMask | ButtonPressMask | ButtonReleaseMask
129 | Button1MotionMask | Button2MotionMask 88 | Button1MotionMask | Button2MotionMask
130 | Button3MotionMask); 89 | Button3MotionMask);
131 scrollbar_ev.start (display, scrollBar.win); 90 term->scrollbar_ev.start (term->display, win);
132 91
133 delayed_init = 1; 92 delayed_init = 1;
134 } 93 }
94 else
95 XMoveResizeWindow (term->dpy, win,
96 window_sb_x, 0,
97 total_width (), term->szHint.height);
135 98
136 scrollbar_show (1); 99 show (1);
137 100
138 if (delayed_init) 101 if (delayed_init)
139 XMapWindow (display->display, scrollBar.win); 102 XMapWindow (term->dpy, win);
140#endif
141} 103}
142 104
143/* 105/*
144 * Update current scrollbar view w.r.t. slider heights, etc. 106 * Update current scrollbar view w.r.t. slider heights, etc.
145 */ 107 */
146int 108int
147rxvt_term::scrollbar_show (int update) 109scrollBar_t::show (int refresh)
148{ 110{
149 int ret = 0; 111 int ret;
150#ifdef HAVE_SCROLLBARS
151 int top, bot, len, adj;
152 112
153 if (!scrollbar_visible ()) 113 if (!state)
154 return 0; 114 return 0;
155 115
156 if (update) 116 if (refresh)
157 { 117 {
158 top = (TermWin.nscrolled - TermWin.view_start); 118 int sb_top = term->view_start - term->top_row;
159 bot = top + (TermWin.nrow - 1); 119 int sb_bot = sb_top + (term->nrow - 1);
160 len = max ((TermWin.nscrolled + (TermWin.nrow - 1)), 1); 120 int sb_len = max (term->nrow - 1 - term->top_row, 1);
161 adj = (((bot - top) * scrollbar_size ()) % len) > 0 ? 1 : 0;
162 121
163 scrollBar.top = (scrollBar.beg + (top * scrollbar_size ()) / len); 122 top = beg + (sb_top * size ()) / sb_len;
164 scrollbar_len = ((bot - top) * scrollbar_size ()) / len + 123 bot = top + ecb_div_ru ((sb_bot - sb_top) * size (), sb_len) + min_height ();
165 scrollbar_minheight () + adj;
166 scrollBar.bot = (scrollBar.top + scrollbar_len);
167 /* no change */ 124 /* no change */
168 if (scrollBar.top == last_top 125 if (top == last_top
169 && scrollBar.bot == last_bot 126 && bot == last_bot
170 && (scrollBar.state == last_state || !scrollbar_isUpDn ())) 127 && (state == last_state
128 || !(state == STATE_UP || state == STATE_DOWN)))
171 return 0; 129 return 0;
172 } 130 }
173 131
174 ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); 132 ret = (this->*update) (refresh);
175 133
176 last_top = scrollBar.top; 134 last_top = top;
177 last_bot = scrollBar.bot; 135 last_bot = bot;
178 last_state = scrollBar.state; 136 last_state = state;
179#endif
180 137
181 return ret; 138 return ret;
182} 139}
183 140
184void 141void
185rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) 142scrollBar_t::setup (rxvt_term *term)
186{ 143{
187#ifdef HAVE_SCROLLBARS
188 int i; 144 int i;
189 short style, width; 145 short width;
146 const char *scrollalign, *scrollstyle, *thickness;
147 enum sb_style style;
148
149 this->term = term;
150 scrollalign = term->rs[Rs_scrollBar_align];
151 scrollstyle = term->rs[Rs_scrollstyle];
152 thickness = term->rs[Rs_scrollBar_thickness];
190 153
191# if defined(RXVT_SCROLLBAR) 154# if defined(RXVT_SCROLLBAR)
192 style = R_SB_RXVT; 155 style = R_SB_RXVT;
193# elif defined(XTERM_SCROLLBAR) 156# elif defined(XTERM_SCROLLBAR)
194 style = R_SB_XTERM; 157 style = R_SB_XTERM;
… …
229 192
230 if (style != R_SB_NEXT) /* dishonour request - for now */ 193 if (style != R_SB_NEXT) /* dishonour request - for now */
231 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM) 194 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
232 width = min (i, SB_WIDTH_MAXIMUM); 195 width = min (i, SB_WIDTH_MAXIMUM);
233 196
234# if defined(RXVT_SCROLLBAR) 197# ifdef RXVT_SCROLLBAR
235 if (! (options & Opt_scrollBar_floating) && style == R_SB_RXVT) 198 if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT)
236 sb_shadow = SHADOW; 199 shadow = SHADOW_WIDTH;
237# endif 200# endif
238 201
239 scrollBar.style = style; 202 this->style = style;
240 scrollBar.width = width; 203 this->width = width;
241 204
242 /* scrollbar_align = R_SB_ALIGN_CENTRE; */ 205 /* align = R_SB_ALIGN_CENTRE; */
243 if (scrollalign) 206 if (scrollalign)
244 { 207 {
245 if (strncasecmp (scrollalign, "top", 3) == 0) 208 if (strncasecmp (scrollalign, "top", 3) == 0)
246 scrollbar_align = R_SB_ALIGN_TOP; 209 align = R_SB_ALIGN_TOP;
247 else if (strncasecmp (scrollalign, "bottom", 6) == 0) 210 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
248 scrollbar_align = R_SB_ALIGN_BOTTOM; 211 align = R_SB_ALIGN_BOTTOM;
212 }
213 last_state = STATE_OFF;
214 /* cursor scrollBar: Black-on-White */
215 leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr);
216}
217
218void
219scrollBar_t::destroy ()
220{
221#ifdef XTERM_SCROLLBAR
222 if (xscrollbarGC) XFreeGC (term->dpy, xscrollbarGC);
223 if (ShadowGC) XFreeGC (term->dpy, ShadowGC);
224#endif
225#ifdef PLAIN_SCROLLBAR
226 if (pscrollbarGC) XFreeGC (term->dpy, pscrollbarGC);
227#endif
228#ifdef NEXT_SCROLLBAR
229 if (blackGC) XFreeGC (term->dpy, blackGC);
230 if (whiteGC) XFreeGC (term->dpy, whiteGC);
231 if (grayGC) XFreeGC (term->dpy, grayGC);
232 if (darkGC) XFreeGC (term->dpy, darkGC);
233 if (stippleGC) XFreeGC (term->dpy, stippleGC);
234 if (dimple) XFreePixmap (term->dpy, dimple);
235 if (upArrow) XFreePixmap (term->dpy, upArrow);
236 if (downArrow) XFreePixmap (term->dpy, downArrow);
237 if (upArrowHi) XFreePixmap (term->dpy, upArrowHi);
238 if (downArrowHi) XFreePixmap (term->dpy, downArrowHi);
239#endif
240#ifdef RXVT_SCROLLBAR
241 if (topShadowGC) XFreeGC (term->dpy, topShadowGC);
242 if (botShadowGC) XFreeGC (term->dpy, botShadowGC);
243 if (scrollbarGC) XFreeGC (term->dpy, scrollbarGC);
244#endif
245}
246
247void
248scrollBar_t::update_data ()
249{
250#if defined(PLAIN_SCROLLBAR)
251 if (style == R_SB_PLAIN)
252 {
253 beg = 0;
254 end = term->szHint.height;
255 update = &scrollBar_t::show_plain;
256 }
257#endif
258#if defined(XTERM_SCROLLBAR)
259 if (style == R_SB_XTERM)
260 {
261 beg = 0;
262 end = term->szHint.height;
263 update = &scrollBar_t::show_xterm;
264 }
265#endif
266#if defined(NEXT_SCROLLBAR)
267 if (style == R_SB_NEXT)
268 {
269 beg = 0;
270 end = term->szHint.height - (SB_BUTTON_TOTAL_HEIGHT + SB_PADDING);
271 update = &scrollBar_t::show_next;
272 }
273#endif
274#if defined(RXVT_SCROLLBAR)
275 if (style == R_SB_RXVT)
276 {
277 beg = (width + 1) + shadow;
278 end = term->szHint.height - beg - (2 * shadow);
279 update = &scrollBar_t::show_rxvt;
249 } 280 }
250#endif 281#endif
251} 282}
252 283
253/*----------------------- end-of-file (C source) -----------------------*/ 284/*----------------------- end-of-file (C source) -----------------------*/

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