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Comparing rxvt-unicode/src/scrollbar.C (file contents):
Revision 1.33 by root, Tue Jan 24 19:40:12 2006 UTC vs.
Revision 1.72 by sf-exg, Sun Aug 28 19:04:23 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.
… …
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;
38
39#ifdef HAVE_SCROLLBARS
40 if (map) 37 if (map)
41 { 38 {
42 scrollBar.setIdle (); 39 state = STATE_IDLE;
43 40
44 if (!scrollBar.win) 41 if (!win)
45 resize_scrollbar (); 42 resize ();
46 43 else
47 if (scrollBar.win) 44 XMapWindow (term->dpy, win);
48 {
49 XMapWindow (display->display, scrollBar.win);
50 change = 1;
51 }
52 } 45 }
53 else 46 else
54 { 47 {
55 scrollBar.state = 0; 48 state = STATE_OFF;
56 XUnmapWindow (display->display, scrollBar.win);
57 change = 1;
58 }
59#endif
60 return change;
61}
62 49
50 if (win)
51 XUnmapWindow (term->dpy, win);
52 }
53}
54
63void 55void
64rxvt_term::resize_scrollbar () 56scrollBar_t::resize ()
65{ 57{
66#ifdef HAVE_SCROLLBARS
67 int delayed_init = 0; 58 int delayed_init = 0;
59 int window_sb_x = 0;
68 60
69#define R_SCROLLBEG_XTERM 0 61 if (term->option (Opt_scrollBar_right))
70#define R_SCROLLEND_XTERM szHint.height 62 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 63
78#if defined(PLAIN_SCROLLBAR) 64 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 65
111 if (!scrollBar.win) 66 if (!win)
112 { 67 {
113 /* create the scrollbar window */ 68 /* create the scrollbar window */
114 scrollBar.win = XCreateSimpleWindow (display->display, 69 win = XCreateSimpleWindow (term->dpy,
115 parent[0], 70 term->parent,
116 window_sb_x, 0, 71 window_sb_x, 0,
117 scrollbar_TotalWidth (), 72 total_width (),
118 szHint.height, 73 term->szHint.height,
119 0, 74 0,
120 pix_colors[Color_fg], 75 term->pix_colors[Color_fg],
121 pix_colors[Color_border]); 76 term->pix_colors[Color_border]);
122 XDefineCursor (display->display, scrollBar.win, leftptr_cursor); 77 XDefineCursor (term->dpy, win, leftptr_cursor);
123 78
124 XSelectInput (display->display, scrollBar.win, 79 XSelectInput (term->dpy, win,
125 ExposureMask | ButtonPressMask | ButtonReleaseMask 80 ExposureMask | ButtonPressMask | ButtonReleaseMask
126 | Button1MotionMask | Button2MotionMask 81 | Button1MotionMask | Button2MotionMask
127 | Button3MotionMask); 82 | Button3MotionMask);
128 scrollbar_ev.start (display, scrollBar.win); 83 term->scrollbar_ev.start (term->display, win);
129 84
130 delayed_init = 1; 85 delayed_init = 1;
131 } 86 }
87 else
88 XMoveResizeWindow (term->dpy, win,
89 window_sb_x, 0,
90 total_width (), term->szHint.height);
132 91
133 scrollbar_show (1); 92 show (1);
134 93
135 if (delayed_init) 94 if (delayed_init)
136 XMapWindow (display->display, scrollBar.win); 95 XMapWindow (term->dpy, win);
137#endif
138} 96}
139 97
140/* 98/*
141 * Update current scrollbar view w.r.t. slider heights, etc. 99 * Update current scrollbar view w.r.t. slider heights, etc.
142 */ 100 */
143int 101int
144rxvt_term::scrollbar_show (int update) 102scrollBar_t::show (int refresh)
145{ 103{
146 int ret = 0; 104 int ret;
147#ifdef HAVE_SCROLLBARS
148 int top, bot, len, adj;
149 105
150 if (!scrollBar.state) 106 if (!state)
151 return 0; 107 return 0;
152 108
153 if (update) 109 if (refresh)
154 { 110 {
155 top = view_start - top_row; 111 int sb_top = term->view_start - term->top_row;
156 bot = top + (nrow - 1); 112 int sb_bot = sb_top + (term->nrow - 1);
157 len = max (nrow - 1 - top_row, 1); 113 int sb_len = max (term->nrow - 1 - term->top_row, 1);
158 adj = (((bot - top) * scrollbar_size ()) % len) > 0 ? 1 : 0;
159 114
160 scrollBar.top = (scrollBar.beg + (top * scrollbar_size ()) / len); 115 top = beg + (sb_top * size ()) / sb_len;
161 scrollbar_len = ((bot - top) * scrollbar_size ()) / len + 116 bot = top + ecb_div_ru ((sb_bot - sb_top) * size (), sb_len) + min_height ();
162 scrollbar_minheight () + adj;
163 scrollBar.bot = (scrollBar.top + scrollbar_len);
164 /* no change */ 117 /* no change */
165 if (scrollBar.top == last_top 118 if (top == last_top
166 && scrollBar.bot == last_bot 119 && bot == last_bot
167 && (scrollBar.state == last_state || !scrollbar_isUpDn ())) 120 && (state == last_state
121 || !(state == STATE_UP || state == STATE_DOWN)))
168 return 0; 122 return 0;
169 } 123 }
170 124
171 ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); 125 ret = (this->*update) (refresh);
172 126
173 last_top = scrollBar.top; 127 last_top = top;
174 last_bot = scrollBar.bot; 128 last_bot = bot;
175 last_state = scrollBar.state; 129 last_state = state;
176#endif
177 130
178 return ret; 131 return ret;
179} 132}
180 133
181void 134void
182rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) 135scrollBar_t::setup (rxvt_term *term)
183{ 136{
184#ifdef HAVE_SCROLLBARS
185 int i; 137 int i;
186 short style, width; 138 const char *scrollalign, *scrollstyle, *thickness;
139
140 this->term = term;
141 scrollalign = term->rs[Rs_scrollBar_align];
142 scrollstyle = term->rs[Rs_scrollstyle];
143 thickness = term->rs[Rs_scrollBar_thickness];
187 144
188# if defined(RXVT_SCROLLBAR) 145# if defined(RXVT_SCROLLBAR)
189 style = R_SB_RXVT; 146 style = R_SB_RXVT;
190# elif defined(XTERM_SCROLLBAR) 147# elif defined(XTERM_SCROLLBAR)
191 style = R_SB_XTERM; 148 style = R_SB_XTERM;
… …
227 if (style != R_SB_NEXT) /* dishonour request - for now */ 184 if (style != R_SB_NEXT) /* dishonour request - for now */
228 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM) 185 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
229 width = min (i, SB_WIDTH_MAXIMUM); 186 width = min (i, SB_WIDTH_MAXIMUM);
230 187
231# ifdef RXVT_SCROLLBAR 188# ifdef RXVT_SCROLLBAR
232 if (! OPTION (Opt_scrollBar_floating) && style == R_SB_RXVT) 189 if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT)
233 sb_shadow = 2; 190 shadow = SHADOW_WIDTH;
234# endif 191# endif
235 192
236 scrollBar.style = style;
237 scrollBar.width = width;
238
239 /* scrollbar_align = R_SB_ALIGN_CENTRE; */ 193 /* align = R_SB_ALIGN_CENTRE; */
240 if (scrollalign) 194 if (scrollalign)
241 { 195 {
242 if (strncasecmp (scrollalign, "top", 3) == 0) 196 if (strncasecmp (scrollalign, "top", 3) == 0)
243 scrollbar_align = R_SB_ALIGN_TOP; 197 align = R_SB_ALIGN_TOP;
244 else if (strncasecmp (scrollalign, "bottom", 6) == 0) 198 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
245 scrollbar_align = R_SB_ALIGN_BOTTOM; 199 align = R_SB_ALIGN_BOTTOM;
200 }
201 last_state = STATE_OFF;
202 /* cursor scrollBar: Black-on-White */
203 leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr);
204}
205
206void
207scrollBar_t::destroy ()
208{
209#ifdef XTERM_SCROLLBAR
210 if (xscrollbarGC) XFreeGC (term->dpy, xscrollbarGC);
211 if (ShadowGC) XFreeGC (term->dpy, ShadowGC);
212#endif
213#ifdef PLAIN_SCROLLBAR
214 if (pscrollbarGC) XFreeGC (term->dpy, pscrollbarGC);
215#endif
216#ifdef NEXT_SCROLLBAR
217 if (blackGC) XFreeGC (term->dpy, blackGC);
218 if (whiteGC) XFreeGC (term->dpy, whiteGC);
219 if (grayGC) XFreeGC (term->dpy, grayGC);
220 if (darkGC) XFreeGC (term->dpy, darkGC);
221 if (stippleGC) XFreeGC (term->dpy, stippleGC);
222 if (dimple) XFreePixmap (term->dpy, dimple);
223 if (upArrow) XFreePixmap (term->dpy, upArrow);
224 if (downArrow) XFreePixmap (term->dpy, downArrow);
225 if (upArrowHi) XFreePixmap (term->dpy, upArrowHi);
226 if (downArrowHi) XFreePixmap (term->dpy, downArrowHi);
227#endif
228#ifdef RXVT_SCROLLBAR
229 if (topShadowGC) XFreeGC (term->dpy, topShadowGC);
230 if (botShadowGC) XFreeGC (term->dpy, botShadowGC);
231 if (scrollbarGC) XFreeGC (term->dpy, scrollbarGC);
232#endif
233}
234
235void
236scrollBar_t::update_data ()
237{
238#if defined(PLAIN_SCROLLBAR)
239 if (style == R_SB_PLAIN)
240 {
241 beg = 0;
242 end = term->szHint.height;
243 update = &scrollBar_t::show_plain;
244 }
245#endif
246#if defined(XTERM_SCROLLBAR)
247 if (style == R_SB_XTERM)
248 {
249 beg = 0;
250 end = term->szHint.height;
251 update = &scrollBar_t::show_xterm;
252 }
253#endif
254#if defined(NEXT_SCROLLBAR)
255 if (style == R_SB_NEXT)
256 {
257 beg = 0;
258 end = term->szHint.height - (SB_BUTTON_TOTAL_HEIGHT + SB_PADDING);
259 update = &scrollBar_t::show_next;
260 }
261#endif
262#if defined(RXVT_SCROLLBAR)
263 if (style == R_SB_RXVT)
264 {
265 beg = (width + 1) + shadow;
266 end = term->szHint.height - beg - (2 * shadow);
267 update = &scrollBar_t::show_rxvt;
246 } 268 }
247#endif 269#endif
248} 270}
249 271
250/*----------------------- end-of-file (C source) -----------------------*/ 272/*----------------------- end-of-file (C source) -----------------------*/

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