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Comparing rxvt-unicode/src/scrollbar.C (file contents):
Revision 1.8 by pcg, Sat Jan 31 00:20:21 2004 UTC vs.
Revision 1.74 by sf-exg, Thu Sep 1 08:11:27 2011 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: scrollbar.c 2 * File: scrollbar.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: scrollbar.C,v 1.8 2004/01/31 00:20:21 pcg Exp $
5 * 4 *
6 * Copyright (c) 1997,1998 mj olesen <olesen@me.QueensU.CA> 5 * Copyright (c) 1997,1998 mj olesen <olesen@me.QueensU.CA>
7 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org> 6 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org>
8 * - N*XTstep like scrollbars 7 * - N*XTstep like scrollbars
9 * 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 <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.
… …
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 *----------------------------------------------------------------------*/ 24 *----------------------------------------------------------------------*/
25 25
26#include "../config.h" /* NECESSARY */ 26#include "../config.h" /* NECESSARY */
27#include "rxvt.h" /* NECESSARY */ 27#include "rxvt.h" /* NECESSARY */
28#include "scrollbar.intpro" /* PROTOS for internal routines */
29 28
30/*----------------------------------------------------------------------*/ 29/*----------------------------------------------------------------------*/
31 30
32/* 31/*
33 * 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
34 */ 33 */
35int 34void
36rxvt_term::scrollbar_mapping (int map) 35scrollBar_t::map (int map)
37{ 36{
38 int change = 0; 37 if (map)
39
40#ifdef HAVE_SCROLLBARS
41 if (map && !scrollbar_visible()) {
42 scrollBar.setIdle ();
43 if (!scrollBar.win)
44 resize_scrollbar ();
45 if (scrollBar.win) {
46 XMapWindow(Xdisplay, scrollBar.win);
47 change = 1;
48 }
49 } else if (!map && scrollbar_visible()) {
50 scrollBar.state = 0;
51 XUnmapWindow(Xdisplay, scrollBar.win);
52 change = 1;
53 } 38 {
54#endif 39 state = SB_STATE_IDLE;
55 return change;
56}
57 40
41 if (!win)
42 resize ();
43 else
44 XMapWindow (term->dpy, win);
45 }
46 else
47 {
48 state = SB_STATE_OFF;
49
50 if (win)
51 XUnmapWindow (term->dpy, win);
52 }
53}
54
58void 55void
59rxvt_term::resize_scrollbar () 56scrollBar_t::resize ()
60{ 57{
61#ifdef HAVE_SCROLLBARS
62 int delayed_init = 0; 58 int delayed_init = 0;
59 int window_sb_x = 0;
63 60
64#define R_SCROLLBEG_XTERM 0 61 if (term->option (Opt_scrollBar_right))
65#define R_SCROLLEND_XTERM szHint.height 62 window_sb_x = term->szHint.width - total_width ();
66#define R_SCROLLBEG_NEXT 0
67#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \
68 SB_PADDING)
69#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow
70#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \
71 (2 * sb_shadow)
72 63
73#if defined(XTERM_SCROLLBAR) 64 update_data ();
74 if (scrollBar.style == R_SB_XTERM) { 65
75 scrollBar.beg = R_SCROLLBEG_XTERM; 66 if (!win)
76 scrollBar.end = R_SCROLLEND_XTERM;
77 //scrollBar.update = rxvt_scrollbar_show_xterm;
78 } 67 {
79#endif
80#if defined(NEXT_SCROLLBAR)
81 if (scrollBar.style == R_SB_NEXT) {
82 scrollBar.beg = R_SCROLLBEG_NEXT;
83 scrollBar.end = R_SCROLLEND_NEXT;
84 //scrollBar.update = rxvt_scrollbar_show_next;
85 }
86#endif
87#if defined(RXVT_SCROLLBAR)
88 if (scrollBar.style == R_SB_RXVT) {
89 scrollBar.beg = R_SCROLLBEG_RXVT;
90 scrollBar.end = R_SCROLLEND_RXVT;
91 //scrollBar.update = rxvt_scrollbar_show_rxvt;
92 }
93#endif
94
95 if (!scrollBar.win) {
96/* create the scrollbar window */ 68 /* create the scrollbar window */
97 scrollBar.win = XCreateSimpleWindow(Xdisplay, 69 win = XCreateSimpleWindow (term->dpy,
98 TermWin.parent[0], 70 term->parent,
99 window_sb_x, 0, 71 window_sb_x, 0,
100 scrollbar_TotalWidth(), 72 total_width (),
101 szHint.height, 73 term->szHint.height,
102 0, 74 0,
103 PixColors[Color_fg], 75 term->pix_colors[Color_fg],
104 PixColors[Color_bg]); 76 term->pix_colors[Color_border]);
105#ifdef DEBUG_X 77 XDefineCursor (term->dpy, win, leftptr_cursor);
106 XStoreName(Xdisplay, scrollBar.win, "scrollbar"); 78
107#endif 79 XSelectInput (term->dpy, win,
108 XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor);
109 XSelectInput(Xdisplay, scrollBar.win,
110 (ExposureMask | ButtonPressMask | ButtonReleaseMask 80 ExposureMask | ButtonPressMask | ButtonReleaseMask
111 | Button1MotionMask | Button2MotionMask 81 | Button1MotionMask | Button2MotionMask
112 | Button3MotionMask)); 82 | Button3MotionMask);
83 term->scrollbar_ev.start (term->display, win);
84
113 delayed_init = 1; 85 delayed_init = 1;
114 } 86 }
115 scrollbar_show (1); 87 else
88 XMoveResizeWindow (term->dpy, win,
89 window_sb_x, 0,
90 total_width (), term->szHint.height);
91
92 show (1);
93
116 if (delayed_init) 94 if (delayed_init)
117 XMapWindow (Xdisplay, scrollBar.win); 95 XMapWindow (term->dpy, win);
118#endif
119} 96}
120 97
121/* 98/*
122 * Update current scrollbar view w.r.t. slider heights, etc. 99 * Update current scrollbar view w.r.t. slider heights, etc.
123 */ 100 */
124int 101int
125rxvt_term::scrollbar_show (int update) 102scrollBar_t::show (int refresh)
126{ 103{
127 int ret = 0; 104 int ret;
128#ifdef HAVE_SCROLLBARS
129 int top, bot, len, adj;
130 105
131 if (!scrollbar_visible()) 106 if (!state)
132 return 0;
133
134 if (update) {
135 top = (TermWin.nscrolled - TermWin.view_start);
136 bot = top + (TermWin.nrow - 1);
137 len = max((TermWin.nscrolled + (TermWin.nrow - 1)), 1);
138 adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0;
139
140 scrollBar.top = (scrollBar.beg + (top * scrollbar_size()) / len);
141 scrollbar_len = ((bot - top) * scrollbar_size()) / len +
142 scrollbar_minheight() + adj;
143 scrollBar.bot = (scrollBar.top + scrollbar_len);
144 /* no change */
145 if (scrollBar.top == last_top
146 && scrollBar.bot == last_bot
147 && (scrollBar.state == last_state || !scrollbar_isUpDn()))
148 return 0; 107 return 0;
108
109 if (refresh)
149 } 110 {
111 int sb_top = term->view_start - term->top_row;
112 int sb_bot = sb_top + (term->nrow - 1);
113 int sb_len = max (term->nrow - 1 - term->top_row, 1);
150 114
151 ret = scrollbar_update (update, last_top, last_bot, scrollbar_len); 115 top = beg + (sb_top * size ()) / sb_len;
116 bot = top + ecb_div_ru ((sb_bot - sb_top) * size (), sb_len) + min_height ();
117 /* no change */
118 if (top == last_top
119 && bot == last_bot
120 && (state == last_state
121 || !(state == SB_STATE_UP || state == SB_STATE_DOWN)))
122 return 0;
123 }
152 124
153 last_top = scrollBar.top; 125 ret = (this->*update) (refresh);
154 last_bot = scrollBar.bot; 126
127 last_top = top;
128 last_bot = bot;
155 last_state = scrollBar.state; 129 last_state = state;
156#endif
157 130
158 return ret; 131 return ret;
159} 132}
160 133
161void 134void
162rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) 135scrollBar_t::setup (rxvt_term *term)
163{ 136{
164#ifdef HAVE_SCROLLBARS 137 int i;
165 int i; 138 const char *scrollalign, *scrollstyle, *thickness;
166 short style, width;
167 139
168# if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) 140 this->term = term;
141 scrollalign = term->rs[Rs_scrollBar_align];
142 scrollstyle = term->rs[Rs_scrollstyle];
143 thickness = term->rs[Rs_scrollBar_thickness];
144
145# if defined(RXVT_SCROLLBAR)
169 style = R_SB_RXVT; 146 style = SB_STYLE_RXVT;
147# elif defined(XTERM_SCROLLBAR)
148 style = SB_STYLE_XTERM;
149# elif defined(NEXT_SCROLLBAR)
150 style = SB_STYLE_NEXT;
151# elif defined(PLAIN_SCROLLBAR)
152 style = SB_STYLE_PLAIN;
170# else 153#else
154 style = SB_STYLE_RXVT;
155# endif
156
157# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
158 if (scrollstyle)
159 {
171# ifdef NEXT_SCROLLBAR 160# ifdef NEXT_SCROLLBAR
161 if (strncasecmp (scrollstyle, "next", 4) == 0)
172 style = R_SB_NEXT; 162 style = SB_STYLE_NEXT;
173# elif defined(XTERM_SCROLLBAR)
174 style = R_SB_XTERM;
175# endif
176# endif
177
178# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR))
179 if (scrollstyle) {
180# ifdef NEXT_SCROLLBAR
181 if (STRNCASECMP(scrollstyle, "next", 4) == 0)
182 style = R_SB_NEXT;
183# endif 163# endif
184# ifdef XTERM_SCROLLBAR 164# ifdef XTERM_SCROLLBAR
185 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) 165 if (strncasecmp (scrollstyle, "xterm", 5) == 0)
186 style = R_SB_XTERM; 166 style = SB_STYLE_XTERM;
187# endif 167# endif
168# ifdef PLAIN_SCROLLBAR
169 if (strncasecmp (scrollstyle, "plain", 5) == 0)
170 style = SB_STYLE_PLAIN;
171# endif
172
188 } 173 }
189# endif 174# endif
190 if (style == R_SB_NEXT) 175 if (style == SB_STYLE_NEXT)
191 width = SB_WIDTH_NEXT; 176 width = SB_WIDTH_NEXT;
192 else if (style == R_SB_XTERM) 177 else if (style == SB_STYLE_XTERM)
193 width = SB_WIDTH_XTERM; 178 width = SB_WIDTH_XTERM;
179 else if (style == SB_STYLE_PLAIN)
180 width = SB_WIDTH_PLAIN;
194 else /* if (style == R_SB_RXVT) */ 181 else /* if (style == SB_STYLE_RXVT) */
195 width = SB_WIDTH_RXVT; 182 width = SB_WIDTH_RXVT;
196 183
197 if (style != R_SB_NEXT) /* dishonour request - for now */ 184 if (style != SB_STYLE_NEXT) /* dishonour request - for now */
198 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) 185 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
199 width = min(i, SB_WIDTH_MAXIMUM); 186 width = min (i, SB_WIDTH_MAXIMUM);
200 187
201# if defined(RXVT_SCROLLBAR) 188# ifdef RXVT_SCROLLBAR
202 if (!(Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 189 if (! term->option (Opt_scrollBar_floating) && style == SB_STYLE_RXVT)
203 sb_shadow = SHADOW; 190 shadow = SHADOW_WIDTH;
204# endif 191# endif
205 192
206 scrollBar.style = style;
207 scrollBar.width = width;
208
209 /* scrollbar_align = R_SB_ALIGN_CENTRE; */ 193 /* align = SB_ALIGN_CENTRE; */
210 if (scrollalign) { 194 if (scrollalign)
211 if (STRNCASECMP(scrollalign, "top", 3) == 0) 195 {
212 scrollbar_align = R_SB_ALIGN_TOP; 196 if (strncasecmp (scrollalign, "top", 3) == 0)
213 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) 197 align = SB_ALIGN_TOP;
214 scrollbar_align = R_SB_ALIGN_BOTTOM; 198 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
199 align = SB_ALIGN_BOTTOM;
200 }
201 last_state = SB_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 == 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;
215 } 268 }
216#endif 269#endif
217} 270}
218 271
219/*----------------------- end-of-file (C source) -----------------------*/ 272/*----------------------- end-of-file (C source) -----------------------*/
273

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