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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 1.62 by ayin, Tue Feb 19 17:49:16 2008 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 <pcg@goof.com>
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 = 0;
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 parent[0], 77 term->parent[0],
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 XDefineCursor (display->display, scrollBar.win, leftptr_cursor); 84 XDefineCursor (term->dpy, win, leftptr_cursor);
123 85
124 XSelectInput (display->display, scrollBar.win, 86 XSelectInput (term->dpy, win,
125 ExposureMask | ButtonPressMask | ButtonReleaseMask 87 ExposureMask | ButtonPressMask | ButtonReleaseMask
126 | Button1MotionMask | Button2MotionMask 88 | Button1MotionMask | Button2MotionMask
127 | Button3MotionMask); 89 | Button3MotionMask);
128 scrollbar_ev.start (display, scrollBar.win); 90 term->scrollbar_ev.start (term->display, win);
129 91
130 delayed_init = 1; 92 delayed_init = 1;
131 } 93 }
94 else
95 XMoveResizeWindow (term->dpy, win,
96 window_sb_x, 0,
97 total_width (), term->szHint.height);
132 98
133 scrollbar_show (1); 99 show (1);
134 100
135 if (delayed_init) 101 if (delayed_init)
136 XMapWindow (display->display, scrollBar.win); 102 XMapWindow (term->dpy, win);
137#endif
138} 103}
139 104
140/* 105/*
141 * Update current scrollbar view w.r.t. slider heights, etc. 106 * Update current scrollbar view w.r.t. slider heights, etc.
142 */ 107 */
143int 108int
144rxvt_term::scrollbar_show (int update) 109scrollBar_t::show (int refresh)
145{ 110{
146 int ret = 0; 111 int ret;
147#ifdef HAVE_SCROLLBARS
148 int top, bot, len, adj;
149 112
150 if (!scrollBar.state) 113 if (!state)
151 return 0; 114 return 0;
152 115
153 if (update) 116 if (refresh)
154 { 117 {
155 top = view_start - top_row; 118 int sb_top = term->view_start - term->top_row;
156 bot = top + (nrow - 1); 119 int sb_bot = sb_top + (term->nrow - 1);
157 len = max (nrow - 1 - top_row, 1); 120 int sb_len = max (term->nrow - 1 - term->top_row, 1);
158 adj = (((bot - top) * scrollbar_size ()) % len) > 0 ? 1 : 0; 121 int sb_size = (sb_bot - sb_top) * size ();
159 122
160 scrollBar.top = (scrollBar.beg + (top * scrollbar_size ()) / len); 123 top = beg + (sb_top * size ()) / sb_len;
161 scrollbar_len = ((bot - top) * scrollbar_size ()) / len + 124 bot = top + sb_size / sb_len + min_height () + (sb_size % sb_len > 0);
162 scrollbar_minheight () + adj;
163 scrollBar.bot = (scrollBar.top + scrollbar_len);
164 /* no change */ 125 /* no change */
165 if (scrollBar.top == last_top 126 if (top == last_top
166 && scrollBar.bot == last_bot 127 && bot == last_bot
167 && (scrollBar.state == last_state || !scrollbar_isUpDn ())) 128 && (state == last_state
129 || !(state == STATE_UP || state == STATE_DOWN)))
168 return 0; 130 return 0;
169 } 131 }
170 132
171 ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); 133 ret = (this->*update) (refresh);
172 134
173 last_top = scrollBar.top; 135 last_top = top;
174 last_bot = scrollBar.bot; 136 last_bot = bot;
175 last_state = scrollBar.state; 137 last_state = state;
176#endif
177 138
178 return ret; 139 return ret;
179} 140}
180 141
181void 142void
182rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) 143scrollBar_t::setup (rxvt_term *term)
183{ 144{
184#ifdef HAVE_SCROLLBARS
185 int i; 145 int i;
186 short style, width; 146 short style, width;
147 const char *scrollalign, *scrollstyle, *thickness;
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];
187 153
188# if defined(RXVT_SCROLLBAR) 154# if defined(RXVT_SCROLLBAR)
189 style = R_SB_RXVT; 155 style = R_SB_RXVT;
190# elif defined(XTERM_SCROLLBAR) 156# elif defined(XTERM_SCROLLBAR)
191 style = R_SB_XTERM; 157 style = R_SB_XTERM;
… …
227 if (style != R_SB_NEXT) /* dishonour request - for now */ 193 if (style != R_SB_NEXT) /* dishonour request - for now */
228 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM) 194 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
229 width = min (i, SB_WIDTH_MAXIMUM); 195 width = min (i, SB_WIDTH_MAXIMUM);
230 196
231# ifdef RXVT_SCROLLBAR 197# ifdef RXVT_SCROLLBAR
232 if (! OPTION (Opt_scrollBar_floating) && style == R_SB_RXVT) 198 if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT)
233 sb_shadow = 2; 199 shadow = SHADOW_WIDTH;
234# endif 200# endif
235 201
236 scrollBar.style = style; 202 this->style = style;
237 scrollBar.width = width; 203 this->width = width;
238 204
239 /* scrollbar_align = R_SB_ALIGN_CENTRE; */ 205 /* align = R_SB_ALIGN_CENTRE; */
240 if (scrollalign) 206 if (scrollalign)
241 { 207 {
242 if (strncasecmp (scrollalign, "top", 3) == 0) 208 if (strncasecmp (scrollalign, "top", 3) == 0)
243 scrollbar_align = R_SB_ALIGN_TOP; 209 align = R_SB_ALIGN_TOP;
244 else if (strncasecmp (scrollalign, "bottom", 6) == 0) 210 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
245 scrollbar_align = R_SB_ALIGN_BOTTOM; 211 align = R_SB_ALIGN_BOTTOM;
212 }
213 last_bot = last_state = -1;
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;
246 } 280 }
247#endif 281#endif
248} 282}
249 283
250/*----------------------- end-of-file (C source) -----------------------*/ 284/*----------------------- end-of-file (C source) -----------------------*/

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