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Comparing rxvt-unicode/src/scrollbar.C (file contents):
Revision 1.54 by ayin, Sun Feb 17 12:21:45 2008 UTC vs.
Revision 1.74 by sf-exg, Thu Sep 1 08:11:27 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 = SB_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 = SB_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;
59 int window_sb_x = 0;
66 60
67#define R_SCROLLBEG_XTERM 0 61 if (term->option (Opt_scrollBar_right))
68#define R_SCROLLEND_XTERM szHint.height 62 window_sb_x = term->szHint.width - total_width ();
69#define R_SCROLLBEG_NEXT 0
70#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \
71 SB_PADDING)
72#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + scrollBar.shadow
73#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \
74 (2 * scrollBar.shadow)
75 63
76#if defined(PLAIN_SCROLLBAR) 64 update_data ();
77 if (scrollBar.style == R_SB_PLAIN)
78 {
79 scrollBar.beg = R_SCROLLBEG_XTERM;
80 scrollBar.end = R_SCROLLEND_XTERM;
81 scrollBar.update = &rxvt_term::scrollbar_show_plain;
82 }
83#endif
84#if defined(XTERM_SCROLLBAR)
85 if (scrollBar.style == R_SB_XTERM)
86 {
87 scrollBar.beg = R_SCROLLBEG_XTERM;
88 scrollBar.end = R_SCROLLEND_XTERM;
89 scrollBar.update = &rxvt_term::scrollbar_show_xterm;
90 }
91#endif
92#if defined(NEXT_SCROLLBAR)
93 if (scrollBar.style == R_SB_NEXT)
94 {
95 scrollBar.beg = R_SCROLLBEG_NEXT;
96 scrollBar.end = R_SCROLLEND_NEXT;
97 scrollBar.update = &rxvt_term::scrollbar_show_next;
98 }
99#endif
100#if defined(RXVT_SCROLLBAR)
101 if (scrollBar.style == R_SB_RXVT)
102 {
103 scrollBar.beg = R_SCROLLBEG_RXVT;
104 scrollBar.end = R_SCROLLEND_RXVT;
105 scrollBar.update = &rxvt_term::scrollbar_show_rxvt;
106 }
107#endif
108 65
109 if (!scrollBar.win) 66 if (!win)
110 { 67 {
111 /* create the scrollbar window */ 68 /* create the scrollbar window */
112 scrollBar.win = XCreateSimpleWindow (dpy, 69 win = XCreateSimpleWindow (term->dpy,
113 parent[0], 70 term->parent,
114 window_sb_x, 0, 71 window_sb_x, 0,
115 scrollBar.total_width (), 72 total_width (),
116 szHint.height, 73 term->szHint.height,
117 0, 74 0,
118 pix_colors[Color_fg], 75 term->pix_colors[Color_fg],
119 pix_colors[Color_border]); 76 term->pix_colors[Color_border]);
120 XDefineCursor (dpy, scrollBar.win, scrollBar.leftptr_cursor); 77 XDefineCursor (term->dpy, win, leftptr_cursor);
121 78
122 XSelectInput (dpy, scrollBar.win, 79 XSelectInput (term->dpy, win,
123 ExposureMask | ButtonPressMask | ButtonReleaseMask 80 ExposureMask | ButtonPressMask | ButtonReleaseMask
124 | Button1MotionMask | Button2MotionMask 81 | Button1MotionMask | Button2MotionMask
125 | Button3MotionMask); 82 | Button3MotionMask);
126 scrollbar_ev.start (display, scrollBar.win); 83 term->scrollbar_ev.start (term->display, win);
127 84
128 delayed_init = 1; 85 delayed_init = 1;
129 } 86 }
87 else
88 XMoveResizeWindow (term->dpy, win,
89 window_sb_x, 0,
90 total_width (), term->szHint.height);
130 91
131 scrollbar_show (1); 92 show (1);
132 93
133 if (delayed_init) 94 if (delayed_init)
134 XMapWindow (dpy, scrollBar.win); 95 XMapWindow (term->dpy, win);
135} 96}
136 97
137/* 98/*
138 * Update current scrollbar view w.r.t. slider heights, etc. 99 * Update current scrollbar view w.r.t. slider heights, etc.
139 */ 100 */
140int 101int
141rxvt_term::scrollbar_show (int update) 102scrollBar_t::show (int refresh)
142{ 103{
143 int ret = 0; 104 int ret;
144 105
145 if (!scrollBar.state) 106 if (!state)
146 return 0; 107 return 0;
147 108
148 if (update) 109 if (refresh)
149 { 110 {
150 int top = view_start - top_row; 111 int sb_top = term->view_start - term->top_row;
151 int bot = top + (nrow - 1); 112 int sb_bot = sb_top + (term->nrow - 1);
152 int len = max (nrow - 1 - top_row, 1); 113 int sb_len = max (term->nrow - 1 - term->top_row, 1);
153 int adj = (((bot - top) * scrollBar.size ()) % len) > 0 ? 1 : 0;
154 114
155 scrollBar.top = (scrollBar.beg + (top * scrollBar.size ()) / len); 115 top = beg + (sb_top * size ()) / sb_len;
156 scrollBar.len = ((bot - top) * scrollBar.size ()) / len + 116 bot = top + ecb_div_ru ((sb_bot - sb_top) * size (), sb_len) + min_height ();
157 scrollBar.min_height () + adj;
158 scrollBar.bot = (scrollBar.top + scrollBar.len);
159 /* no change */ 117 /* no change */
160 if (scrollBar.top == scrollBar.last_top 118 if (top == last_top
161 && scrollBar.bot == scrollBar.last_bot 119 && bot == last_bot
162 && (scrollBar.state == scrollBar.last_state 120 && (state == last_state
163 || !(scrollBar.state == STATE_UP || scrollBar.state == STATE_DOWN))) 121 || !(state == SB_STATE_UP || state == SB_STATE_DOWN)))
164 return 0; 122 return 0;
165 } 123 }
166 124
167 ret = (this->*scrollBar.update) (update, scrollBar.last_top, scrollBar.last_bot, scrollBar.len); 125 ret = (this->*update) (refresh);
168 126
169 scrollBar.last_top = scrollBar.top; 127 last_top = top;
170 scrollBar.last_bot = scrollBar.bot; 128 last_bot = bot;
171 scrollBar.last_state = scrollBar.state; 129 last_state = state;
172 130
173 return ret; 131 return ret;
174} 132}
175 133
176void 134void
177scrollBar_t::setup (rxvt_term *term) 135scrollBar_t::setup (rxvt_term *term)
178{ 136{
179 int i; 137 int i;
180 short style, width;
181 const char *scrollalign, *scrollstyle, *thickness; 138 const char *scrollalign, *scrollstyle, *thickness;
182 139
183 this->term = term; 140 this->term = term;
184 scrollalign = term->rs[Rs_scrollBar_align]; 141 scrollalign = term->rs[Rs_scrollBar_align];
185 scrollstyle = term->rs[Rs_scrollstyle]; 142 scrollstyle = term->rs[Rs_scrollstyle];
186 thickness = term->rs[Rs_scrollBar_thickness]; 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 = SB_STYLE_RXVT;
190# elif defined(XTERM_SCROLLBAR) 147# elif defined(XTERM_SCROLLBAR)
191 style = R_SB_XTERM; 148 style = SB_STYLE_XTERM;
192# elif defined(NEXT_SCROLLBAR) 149# elif defined(NEXT_SCROLLBAR)
193 style = R_SB_NEXT; 150 style = SB_STYLE_NEXT;
194# elif defined(PLAIN_SCROLLBAR) 151# elif defined(PLAIN_SCROLLBAR)
195 style = R_SB_PLAIN; 152 style = SB_STYLE_PLAIN;
196#else 153#else
197 style = R_SB_RXVT; 154 style = SB_STYLE_RXVT;
198# endif 155# endif
199 156
200# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)) 157# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
201 if (scrollstyle) 158 if (scrollstyle)
202 { 159 {
203# ifdef NEXT_SCROLLBAR 160# ifdef NEXT_SCROLLBAR
204 if (strncasecmp (scrollstyle, "next", 4) == 0) 161 if (strncasecmp (scrollstyle, "next", 4) == 0)
205 style = R_SB_NEXT; 162 style = SB_STYLE_NEXT;
206# endif 163# endif
207# ifdef XTERM_SCROLLBAR 164# ifdef XTERM_SCROLLBAR
208 if (strncasecmp (scrollstyle, "xterm", 5) == 0) 165 if (strncasecmp (scrollstyle, "xterm", 5) == 0)
209 style = R_SB_XTERM; 166 style = SB_STYLE_XTERM;
210# endif 167# endif
211# ifdef PLAIN_SCROLLBAR 168# ifdef PLAIN_SCROLLBAR
212 if (strncasecmp (scrollstyle, "plain", 5) == 0) 169 if (strncasecmp (scrollstyle, "plain", 5) == 0)
213 style = R_SB_PLAIN; 170 style = SB_STYLE_PLAIN;
214# endif 171# endif
215 172
216 } 173 }
217# endif 174# endif
218 if (style == R_SB_NEXT) 175 if (style == SB_STYLE_NEXT)
219 width = SB_WIDTH_NEXT; 176 width = SB_WIDTH_NEXT;
220 else if (style == R_SB_XTERM) 177 else if (style == SB_STYLE_XTERM)
221 width = SB_WIDTH_XTERM; 178 width = SB_WIDTH_XTERM;
222 else if (style == R_SB_PLAIN) 179 else if (style == SB_STYLE_PLAIN)
223 width = SB_WIDTH_PLAIN; 180 width = SB_WIDTH_PLAIN;
224 else /* if (style == R_SB_RXVT) */ 181 else /* if (style == SB_STYLE_RXVT) */
225 width = SB_WIDTH_RXVT; 182 width = SB_WIDTH_RXVT;
226 183
227 if (style != R_SB_NEXT) /* dishonour request - for now */ 184 if (style != SB_STYLE_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 (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT) 189 if (! term->option (Opt_scrollBar_floating) && style == SB_STYLE_RXVT)
233 shadow = SHADOW_WIDTH; 190 shadow = SHADOW_WIDTH;
234# endif 191# endif
235 192
236 this->style = style;
237 this->width = width;
238
239 /* align = R_SB_ALIGN_CENTRE; */ 193 /* align = 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 align = R_SB_ALIGN_TOP; 197 align = SB_ALIGN_TOP;
244 else if (strncasecmp (scrollalign, "bottom", 6) == 0) 198 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
245 align = R_SB_ALIGN_BOTTOM; 199 align = SB_ALIGN_BOTTOM;
246 } 200 }
247 last_bot = last_state = -1; 201 last_state = SB_STATE_OFF;
248 /* cursor scrollBar: Black-on-White */ 202 /* cursor scrollBar: Black-on-White */
249 leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr); 203 leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr);
250} 204}
251 205
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 == SB_STYLE_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 == SB_STYLE_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 == SB_STYLE_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 == SB_STYLE_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
252/*----------------------- end-of-file (C source) -----------------------*/ 272/*----------------------- end-of-file (C source) -----------------------*/
253 273

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