ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/scrollbar.C
(Generate patch)

Comparing rxvt-unicode/src/scrollbar.C (file contents):
Revision 1.55 by ayin, Mon Feb 18 09:58:05 2008 UTC vs.
Revision 1.72 by sf-exg, Sun Aug 28 19:04:23 2011 UTC

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

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines