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Comparing rxvt-unicode/src/scrollbar.C (file contents):
Revision 1.11 by pcg, Sat Jan 31 04:16:15 2004 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) 2004-2006 Marc Lehmann <pcg@goof.com>
9 * 10 *
10 * 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
11 * 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
12 * the Free Software Foundation; either version 2 of the License, or 13 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version. 14 * (at your option) any later version.
… …
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *----------------------------------------------------------------------*/ 24 *----------------------------------------------------------------------*/
24 25
25#include "../config.h" /* NECESSARY */ 26#include "../config.h" /* NECESSARY */
26#include "rxvt.h" /* NECESSARY */ 27#include "rxvt.h" /* NECESSARY */
27#include "scrollbar.intpro" /* PROTOS for internal routines */
28 28
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 34int
35rxvt_term::scrollbar_mapping (int map) 35scrollBar_t::map (int map)
36{ 36{
37 int change = 0;
38
39 if (map)
40 {
41 state = STATE_IDLE;
42
43 if (!win)
44 resize ();
45
46 if (win)
47 {
48 XMapWindow (term->dpy, win);
37 int change = 0; 49 change = 1;
38 50 }
39#ifdef HAVE_SCROLLBARS 51 }
40 if (map && !scrollbar_visible()) { 52 else
41 scrollBar.setIdle (); 53 {
42 if (!scrollBar.win) 54 state = 0;
43 resize_scrollbar (); 55 XUnmapWindow (term->dpy, win);
44 if (scrollBar.win) {
45 XMapWindow(Xdisplay, scrollBar.win);
46 change = 1; 56 change = 1;
47 }
48 } else if (!map && scrollbar_visible()) {
49 scrollBar.state = 0;
50 XUnmapWindow(Xdisplay, scrollBar.win);
51 change = 1;
52 } 57 }
53#endif 58
54 return change; 59 return change;
55} 60}
56 61
57void 62void
58rxvt_term::resize_scrollbar () 63scrollBar_t::resize ()
59{ 64{
60#ifdef HAVE_SCROLLBARS
61 int delayed_init = 0; 65 int delayed_init = 0;
66 int window_sb_x = 0;
62 67
63#define R_SCROLLBEG_XTERM 0 68 if (term->option (Opt_scrollBar_right))
64#define R_SCROLLEND_XTERM szHint.height 69 window_sb_x = term->szHint.width - total_width ();
65#define R_SCROLLBEG_NEXT 0
66#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \
67 SB_PADDING)
68#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow
69#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \
70 (2 * sb_shadow)
71 70
72#if defined(PLAIN_SCROLLBAR) 71 update_data ();
73 if (scrollBar.style == R_SB_PLAIN) { 72
74 scrollBar.beg = R_SCROLLBEG_XTERM; 73 if (!win)
75 scrollBar.end = R_SCROLLEND_XTERM;
76 scrollBar.update = &rxvt_term::scrollbar_show_plain;
77 } 74 {
78#endif
79#if defined(XTERM_SCROLLBAR)
80 if (scrollBar.style == R_SB_XTERM) {
81 scrollBar.beg = R_SCROLLBEG_XTERM;
82 scrollBar.end = R_SCROLLEND_XTERM;
83 scrollBar.update = &rxvt_term::scrollbar_show_xterm;
84 }
85#endif
86#if defined(NEXT_SCROLLBAR)
87 if (scrollBar.style == R_SB_NEXT) {
88 scrollBar.beg = R_SCROLLBEG_NEXT;
89 scrollBar.end = R_SCROLLEND_NEXT;
90 scrollBar.update = &rxvt_term::scrollbar_show_next;
91 }
92#endif
93#if defined(RXVT_SCROLLBAR)
94 if (scrollBar.style == R_SB_RXVT) {
95 scrollBar.beg = R_SCROLLBEG_RXVT;
96 scrollBar.end = R_SCROLLEND_RXVT;
97 scrollBar.update = &rxvt_term::scrollbar_show_rxvt;
98 }
99#endif
100
101 if (!scrollBar.win) {
102/* create the scrollbar window */ 75 /* create the scrollbar window */
103 scrollBar.win = XCreateSimpleWindow(Xdisplay, 76 win = XCreateSimpleWindow (term->dpy,
104 TermWin.parent[0], 77 term->parent[0],
105 window_sb_x, 0, 78 window_sb_x, 0,
106 scrollbar_TotalWidth(), 79 total_width (),
107 szHint.height, 80 term->szHint.height,
108 0, 81 0,
109 PixColors[Color_fg], 82 term->pix_colors[Color_fg],
110 PixColors[Color_bg]); 83 term->pix_colors[Color_border]);
111#ifdef DEBUG_X 84 XDefineCursor (term->dpy, win, leftptr_cursor);
112 XStoreName(Xdisplay, scrollBar.win, "scrollbar"); 85
113#endif 86 XSelectInput (term->dpy, win,
114 XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor);
115 XSelectInput(Xdisplay, scrollBar.win,
116 (ExposureMask | ButtonPressMask | ButtonReleaseMask 87 ExposureMask | ButtonPressMask | ButtonReleaseMask
117 | Button1MotionMask | Button2MotionMask 88 | Button1MotionMask | Button2MotionMask
118 | Button3MotionMask)); 89 | Button3MotionMask);
90 term->scrollbar_ev.start (term->display, win);
91
119 delayed_init = 1; 92 delayed_init = 1;
120 } 93 }
121 scrollbar_show (1); 94 else
95 XMoveResizeWindow (term->dpy, win,
96 window_sb_x, 0,
97 total_width (), term->szHint.height);
98
99 show (1);
100
122 if (delayed_init) 101 if (delayed_init)
123 XMapWindow (Xdisplay, scrollBar.win); 102 XMapWindow (term->dpy, win);
124#endif
125} 103}
126 104
127/* 105/*
128 * Update current scrollbar view w.r.t. slider heights, etc. 106 * Update current scrollbar view w.r.t. slider heights, etc.
129 */ 107 */
130int 108int
131rxvt_term::scrollbar_show (int update) 109scrollBar_t::show (int refresh)
132{ 110{
133 int ret = 0; 111 int ret;
134#ifdef HAVE_SCROLLBARS
135 int top, bot, len, adj;
136 112
137 if (!scrollbar_visible()) 113 if (!state)
138 return 0;
139
140 if (update) {
141 top = (TermWin.nscrolled - TermWin.view_start);
142 bot = top + (TermWin.nrow - 1);
143 len = max((TermWin.nscrolled + (TermWin.nrow - 1)), 1);
144 adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0;
145
146 scrollBar.top = (scrollBar.beg + (top * scrollbar_size()) / len);
147 scrollbar_len = ((bot - top) * scrollbar_size()) / len +
148 scrollbar_minheight() + adj;
149 scrollBar.bot = (scrollBar.top + scrollbar_len);
150 /* no change */
151 if (scrollBar.top == last_top
152 && scrollBar.bot == last_bot
153 && (scrollBar.state == last_state || !scrollbar_isUpDn()))
154 return 0; 114 return 0;
115
116 if (refresh)
155 } 117 {
118 int sb_top = term->view_start - term->top_row;
119 int sb_bot = sb_top + (term->nrow - 1);
120 int sb_len = max (term->nrow - 1 - term->top_row, 1);
121 int sb_size = (sb_bot - sb_top) * size ();
156 122
157 ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); 123 top = beg + (sb_top * size ()) / sb_len;
124 bot = top + sb_size / sb_len + min_height () + (sb_size % sb_len > 0);
125 /* no change */
126 if (top == last_top
127 && bot == last_bot
128 && (state == last_state
129 || !(state == STATE_UP || state == STATE_DOWN)))
130 return 0;
131 }
158 132
159 last_top = scrollBar.top; 133 ret = (this->*update) (refresh);
160 last_bot = scrollBar.bot; 134
135 last_top = top;
136 last_bot = bot;
161 last_state = scrollBar.state; 137 last_state = state;
162#endif
163 138
164 return ret; 139 return ret;
165} 140}
166 141
167void 142void
168rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) 143scrollBar_t::setup (rxvt_term *term)
169{ 144{
170#ifdef HAVE_SCROLLBARS
171 int i; 145 int i;
172 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];
173 153
174# if defined(RXVT_SCROLLBAR) 154# if defined(RXVT_SCROLLBAR)
175 style = R_SB_RXVT; 155 style = R_SB_RXVT;
176# elif defined(XTERM_SCROLLBAR) 156# elif defined(XTERM_SCROLLBAR)
177 style = R_SB_XTERM; 157 style = R_SB_XTERM;
178# elif defined(NEXT_SCROLLBAR) 158# elif defined(NEXT_SCROLLBAR)
179 style = R_SB_NEXT; 159 style = R_SB_NEXT;
180# elif defined(PLAIN_SCROLLBAR) 160# elif defined(PLAIN_SCROLLBAR)
181 style = R_SB_PLAIN; 161 style = R_SB_PLAIN;
182#else 162#else
183 style = R_SB_RXVT; 163 style = R_SB_RXVT;
184# endif 164# endif
185 165
186# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)) 166# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
187 if (scrollstyle) { 167 if (scrollstyle)
168 {
188# ifdef NEXT_SCROLLBAR 169# ifdef NEXT_SCROLLBAR
189 if (STRNCASECMP(scrollstyle, "next", 4) == 0) 170 if (strncasecmp (scrollstyle, "next", 4) == 0)
190 style = R_SB_NEXT; 171 style = R_SB_NEXT;
191# endif 172# endif
192# ifdef XTERM_SCROLLBAR 173# ifdef XTERM_SCROLLBAR
193 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) 174 if (strncasecmp (scrollstyle, "xterm", 5) == 0)
194 style = R_SB_XTERM; 175 style = R_SB_XTERM;
195# endif 176# endif
196# ifdef PLAIN_SCROLLBAR 177# ifdef PLAIN_SCROLLBAR
197 if (STRNCASECMP(scrollstyle, "plain", 5) == 0) 178 if (strncasecmp (scrollstyle, "plain", 5) == 0)
198 style = R_SB_PLAIN; 179 style = R_SB_PLAIN;
199# endif 180# endif
181
200 } 182 }
201# endif 183# endif
202 if (style == R_SB_NEXT) 184 if (style == R_SB_NEXT)
203 width = SB_WIDTH_NEXT; 185 width = SB_WIDTH_NEXT;
204 else if (style == R_SB_XTERM) 186 else if (style == R_SB_XTERM)
205 width = SB_WIDTH_XTERM; 187 width = SB_WIDTH_XTERM;
206 else if (style == R_SB_PLAIN) 188 else if (style == R_SB_PLAIN)
207 width = SB_WIDTH_PLAIN; 189 width = SB_WIDTH_PLAIN;
208 else /* if (style == R_SB_RXVT) */ 190 else /* if (style == R_SB_RXVT) */
209 width = SB_WIDTH_RXVT; 191 width = SB_WIDTH_RXVT;
210 192
211 if (style != R_SB_NEXT) /* dishonour request - for now */ 193 if (style != R_SB_NEXT) /* dishonour request - for now */
212 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) 194 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
213 width = min(i, SB_WIDTH_MAXIMUM); 195 width = min (i, SB_WIDTH_MAXIMUM);
214 196
215# if defined(RXVT_SCROLLBAR) 197# ifdef RXVT_SCROLLBAR
216 if (!(Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 198 if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT)
217 sb_shadow = SHADOW; 199 shadow = SHADOW_WIDTH;
218# endif 200# endif
219 201
220 scrollBar.style = style; 202 this->style = style;
221 scrollBar.width = width; 203 this->width = width;
222 204
223 /* scrollbar_align = R_SB_ALIGN_CENTRE; */ 205 /* align = R_SB_ALIGN_CENTRE; */
224 if (scrollalign) { 206 if (scrollalign)
225 if (STRNCASECMP(scrollalign, "top", 3) == 0) 207 {
226 scrollbar_align = R_SB_ALIGN_TOP; 208 if (strncasecmp (scrollalign, "top", 3) == 0)
227 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) 209 align = R_SB_ALIGN_TOP;
228 scrollbar_align = R_SB_ALIGN_BOTTOM; 210 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
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;
229 } 280 }
230#endif 281#endif
231} 282}
232 283
233/*----------------------- end-of-file (C source) -----------------------*/ 284/*----------------------- end-of-file (C source) -----------------------*/

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