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Comparing rxvt-unicode/src/scrollbar.C (file contents):
Revision 1.1 by pcg, Mon Nov 24 17:28:08 2003 UTC vs.
Revision 1.70 by sf-exg, Fri Aug 26 08:20:43 2011 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: scrollbar.c 2 * File: scrollbar.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: scrollbar.C,v 1.1 2003/11/24 17:28:08 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 */
35/* EXTPROTO */
36int 34int
37rxvt_scrollbar_mapping(pR_ int map) 35scrollBar_t::map (int map)
38{ 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);
39 int change = 0; 49 change = 1;
40#ifdef HAVE_SCROLLBARS 50 }
41 51 }
42 if (map && !scrollbar_visible(R)) { 52 else
43 scrollbar_setIdle(); 53 {
44 if (!R->scrollBar.win) 54 state = STATE_OFF;
45 rxvt_Resize_scrollBar(aR); 55 XUnmapWindow (term->dpy, win);
46 if (R->scrollBar.win) {
47 XMapWindow(R->Xdisplay, R->scrollBar.win);
48 change = 1; 56 change = 1;
49 }
50 } else if (!map && scrollbar_visible(R)) {
51 R->scrollBar.state = 0;
52 XUnmapWindow(R->Xdisplay, R->scrollBar.win);
53 change = 1;
54 } 57 }
55#endif 58
56 return change; 59 return change;
57} 60}
58 61
59/* EXTPROTO */
60void 62void
61rxvt_Resize_scrollBar(pR) 63scrollBar_t::resize ()
62{ 64{
63#ifdef HAVE_SCROLLBARS
64 int delayed_init = 0; 65 int delayed_init = 0;
66 int window_sb_x = 0;
65 67
66#define R_SCROLLBEG_XTERM 0 68 if (term->option (Opt_scrollBar_right))
67#define R_SCROLLEND_XTERM R->szHint.height 69 window_sb_x = term->szHint.width - total_width ();
68#define R_SCROLLBEG_NEXT 0
69#define R_SCROLLEND_NEXT R->szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \
70 SB_PADDING)
71#define R_SCROLLBEG_RXVT (R->scrollBar.width + 1) + R->sb_shadow
72#define R_SCROLLEND_RXVT R->szHint.height - R_SCROLLBEG_RXVT - \
73 (2 * R->sb_shadow)
74 70
75#if defined(XTERM_SCROLLBAR) 71 update_data ();
76 if (R->scrollBar.style == R_SB_XTERM) { 72
77 R->scrollBar.beg = R_SCROLLBEG_XTERM; 73 if (!win)
78 R->scrollBar.end = R_SCROLLEND_XTERM;
79 R->scrollBar.update = rxvt_scrollbar_show_xterm;
80 } 74 {
81#endif
82#if defined(NEXT_SCROLLBAR)
83 if (R->scrollBar.style == R_SB_NEXT) {
84 R->scrollBar.beg = R_SCROLLBEG_NEXT;
85 R->scrollBar.end = R_SCROLLEND_NEXT;
86 R->scrollBar.update = rxvt_scrollbar_show_next;
87 }
88#endif
89#if defined(RXVT_SCROLLBAR)
90 if (R->scrollBar.style == R_SB_RXVT) {
91 R->scrollBar.beg = R_SCROLLBEG_RXVT;
92 R->scrollBar.end = R_SCROLLEND_RXVT;
93 R->scrollBar.update = rxvt_scrollbar_show_rxvt;
94 }
95#endif
96
97 if (!R->scrollBar.win) {
98/* create the scrollbar window */ 75 /* create the scrollbar window */
99 R->scrollBar.win = XCreateSimpleWindow(R->Xdisplay, 76 win = XCreateSimpleWindow (term->dpy,
100 R->TermWin.parent[0], 77 term->parent,
101 R->h->window_sb_x, 0, 78 window_sb_x, 0,
102 scrollbar_TotalWidth(), 79 total_width (),
103 R->szHint.height, 80 term->szHint.height,
104 0, 81 0,
105 R->PixColors[Color_fg], 82 term->pix_colors[Color_fg],
106 R->PixColors[Color_bg]); 83 term->pix_colors[Color_border]);
107#ifdef DEBUG_X 84 XDefineCursor (term->dpy, win, leftptr_cursor);
108 XStoreName(R->Xdisplay, R->scrollBar.win, "scrollbar"); 85
109#endif 86 XSelectInput (term->dpy, win,
110 XDefineCursor(R->Xdisplay, R->scrollBar.win, R->h->pointer_leftptr);
111 XSelectInput(R->Xdisplay, R->scrollBar.win,
112 (ExposureMask | ButtonPressMask | ButtonReleaseMask 87 ExposureMask | ButtonPressMask | ButtonReleaseMask
113 | Button1MotionMask | Button2MotionMask 88 | Button1MotionMask | Button2MotionMask
114 | Button3MotionMask)); 89 | Button3MotionMask);
90 term->scrollbar_ev.start (term->display, win);
91
115 delayed_init = 1; 92 delayed_init = 1;
116 } 93 }
117 rxvt_scrollbar_show(aR_ 1); 94 else
95 XMoveResizeWindow (term->dpy, win,
96 window_sb_x, 0,
97 total_width (), term->szHint.height);
98
99 show (1);
100
118 if (delayed_init) 101 if (delayed_init)
119 XMapWindow(R->Xdisplay, R->scrollBar.win); 102 XMapWindow (term->dpy, win);
120#endif
121} 103}
122 104
123/* 105/*
124 * Update current scrollbar view w.r.t. slider heights, etc. 106 * Update current scrollbar view w.r.t. slider heights, etc.
125 */ 107 */
126/* EXTPROTO */
127int 108int
128rxvt_scrollbar_show(pR_ int update) 109scrollBar_t::show (int refresh)
129{ 110{
130 int ret = 0; 111 int ret;
131#ifdef HAVE_SCROLLBARS
132 int top, bot, len, adj;
133 112
134 if (!scrollbar_visible(R)) 113 if (!state)
135 return 0;
136
137 if (update) {
138 top = (R->TermWin.nscrolled - R->TermWin.view_start);
139 bot = top + (R->TermWin.nrow - 1);
140 len = max((R->TermWin.nscrolled + (R->TermWin.nrow - 1)), 1);
141 adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0;
142
143 R->scrollBar.top = (R->scrollBar.beg + (top * scrollbar_size()) / len);
144 R->h->scrollbar_len = ((bot - top) * scrollbar_size()) / len +
145 scrollbar_minheight() + adj;
146 R->scrollBar.bot = (R->scrollBar.top + R->h->scrollbar_len);
147 /* no change */
148 if (R->scrollBar.top == R->h->last_top
149 && R->scrollBar.bot == R->h->last_bot
150 && (R->scrollBar.state == R->h->last_state || !scrollbar_isUpDn()))
151 return 0; 114 return 0;
115
116 if (refresh)
152 } 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);
153 121
154 ret = R->scrollBar.update(aR_ update, R->h->last_top, R->h->last_bot, 122 top = beg + (sb_top * size ()) / sb_len;
155 R->h->scrollbar_len); 123 bot = top + ecb_div_ru ((sb_bot - sb_top) * size (), sb_len) + min_height ();
124 /* no change */
125 if (top == last_top
126 && bot == last_bot
127 && (state == last_state
128 || !(state == STATE_UP || state == STATE_DOWN)))
129 return 0;
130 }
156 131
157 R->h->last_top = R->scrollBar.top; 132 ret = (this->*update) (refresh);
158 R->h->last_bot = R->scrollBar.bot;
159 R->h->last_state = R->scrollBar.state;
160 133
161#endif 134 last_top = top;
135 last_bot = bot;
136 last_state = state;
137
162 return ret; 138 return ret;
163} 139}
164 140
165/* EXTPROTO */
166void 141void
167rxvt_setup_scrollbar(pR_ const char *scrollalign, const char *scrollstyle, const char *thickness) 142scrollBar_t::setup (rxvt_term *term)
168{ 143{
169#ifdef HAVE_SCROLLBARS
170 int i; 144 int i;
171 short style, width; 145 const char *scrollalign, *scrollstyle, *thickness;
172 146
173# if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) 147 this->term = term;
148 scrollalign = term->rs[Rs_scrollBar_align];
149 scrollstyle = term->rs[Rs_scrollstyle];
150 thickness = term->rs[Rs_scrollBar_thickness];
151
152# if defined(RXVT_SCROLLBAR)
174 style = R_SB_RXVT; 153 style = R_SB_RXVT;
154# elif defined(XTERM_SCROLLBAR)
155 style = R_SB_XTERM;
156# elif defined(NEXT_SCROLLBAR)
157 style = R_SB_NEXT;
158# elif defined(PLAIN_SCROLLBAR)
159 style = R_SB_PLAIN;
175# else 160#else
161 style = R_SB_RXVT;
162# endif
163
164# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
165 if (scrollstyle)
166 {
176# ifdef NEXT_SCROLLBAR 167# ifdef NEXT_SCROLLBAR
168 if (strncasecmp (scrollstyle, "next", 4) == 0)
177 style = R_SB_NEXT; 169 style = R_SB_NEXT;
178# elif defined(XTERM_SCROLLBAR)
179 style = R_SB_XTERM;
180# endif
181# endif
182
183# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR))
184 if (scrollstyle) {
185# ifdef NEXT_SCROLLBAR
186 if (STRNCASECMP(scrollstyle, "next", 4) == 0)
187 style = R_SB_NEXT;
188# endif 170# endif
189# ifdef XTERM_SCROLLBAR 171# ifdef XTERM_SCROLLBAR
190 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) 172 if (strncasecmp (scrollstyle, "xterm", 5) == 0)
191 style = R_SB_XTERM; 173 style = R_SB_XTERM;
192# endif 174# endif
175# ifdef PLAIN_SCROLLBAR
176 if (strncasecmp (scrollstyle, "plain", 5) == 0)
177 style = R_SB_PLAIN;
178# endif
179
193 } 180 }
194# endif 181# endif
195 if (style == R_SB_NEXT) 182 if (style == R_SB_NEXT)
196 width = SB_WIDTH_NEXT; 183 width = SB_WIDTH_NEXT;
197 else if (style == R_SB_XTERM) 184 else if (style == R_SB_XTERM)
198 width = SB_WIDTH_XTERM; 185 width = SB_WIDTH_XTERM;
186 else if (style == R_SB_PLAIN)
187 width = SB_WIDTH_PLAIN;
199 else /* if (style == R_SB_RXVT) */ 188 else /* if (style == R_SB_RXVT) */
200 width = SB_WIDTH_RXVT; 189 width = SB_WIDTH_RXVT;
201 190
202 if (style != R_SB_NEXT) /* dishonour request - for now */ 191 if (style != R_SB_NEXT) /* dishonour request - for now */
203 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) 192 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
204 width = min(i, SB_WIDTH_MAXIMUM); 193 width = min (i, SB_WIDTH_MAXIMUM);
205 194
206# if defined(RXVT_SCROLLBAR) 195# ifdef RXVT_SCROLLBAR
207 if (!(R->Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 196 if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT)
208 R->sb_shadow = SHADOW; 197 shadow = SHADOW_WIDTH;
209# endif 198# endif
210 199
211 R->scrollBar.style = style;
212 R->scrollBar.width = width;
213
214 /* R->h->scrollbar_align = R_SB_ALIGN_CENTRE; */ 200 /* align = R_SB_ALIGN_CENTRE; */
215 if (scrollalign) { 201 if (scrollalign)
216 if (STRNCASECMP(scrollalign, "top", 3) == 0) 202 {
217 R->h->scrollbar_align = R_SB_ALIGN_TOP; 203 if (strncasecmp (scrollalign, "top", 3) == 0)
218 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) 204 align = R_SB_ALIGN_TOP;
219 R->h->scrollbar_align = R_SB_ALIGN_BOTTOM; 205 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
206 align = R_SB_ALIGN_BOTTOM;
207 }
208 last_state = STATE_OFF;
209 /* cursor scrollBar: Black-on-White */
210 leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr);
211}
212
213void
214scrollBar_t::destroy ()
215{
216#ifdef XTERM_SCROLLBAR
217 if (xscrollbarGC) XFreeGC (term->dpy, xscrollbarGC);
218 if (ShadowGC) XFreeGC (term->dpy, ShadowGC);
219#endif
220#ifdef PLAIN_SCROLLBAR
221 if (pscrollbarGC) XFreeGC (term->dpy, pscrollbarGC);
222#endif
223#ifdef NEXT_SCROLLBAR
224 if (blackGC) XFreeGC (term->dpy, blackGC);
225 if (whiteGC) XFreeGC (term->dpy, whiteGC);
226 if (grayGC) XFreeGC (term->dpy, grayGC);
227 if (darkGC) XFreeGC (term->dpy, darkGC);
228 if (stippleGC) XFreeGC (term->dpy, stippleGC);
229 if (dimple) XFreePixmap (term->dpy, dimple);
230 if (upArrow) XFreePixmap (term->dpy, upArrow);
231 if (downArrow) XFreePixmap (term->dpy, downArrow);
232 if (upArrowHi) XFreePixmap (term->dpy, upArrowHi);
233 if (downArrowHi) XFreePixmap (term->dpy, downArrowHi);
234#endif
235#ifdef RXVT_SCROLLBAR
236 if (topShadowGC) XFreeGC (term->dpy, topShadowGC);
237 if (botShadowGC) XFreeGC (term->dpy, botShadowGC);
238 if (scrollbarGC) XFreeGC (term->dpy, scrollbarGC);
239#endif
240}
241
242void
243scrollBar_t::update_data ()
244{
245#if defined(PLAIN_SCROLLBAR)
246 if (style == R_SB_PLAIN)
247 {
248 beg = 0;
249 end = term->szHint.height;
250 update = &scrollBar_t::show_plain;
251 }
252#endif
253#if defined(XTERM_SCROLLBAR)
254 if (style == R_SB_XTERM)
255 {
256 beg = 0;
257 end = term->szHint.height;
258 update = &scrollBar_t::show_xterm;
259 }
260#endif
261#if defined(NEXT_SCROLLBAR)
262 if (style == R_SB_NEXT)
263 {
264 beg = 0;
265 end = term->szHint.height - (SB_BUTTON_TOTAL_HEIGHT + SB_PADDING);
266 update = &scrollBar_t::show_next;
267 }
268#endif
269#if defined(RXVT_SCROLLBAR)
270 if (style == R_SB_RXVT)
271 {
272 beg = (width + 1) + shadow;
273 end = term->szHint.height - beg - (2 * shadow);
274 update = &scrollBar_t::show_rxvt;
220 } 275 }
221#endif 276#endif
222} 277}
223 278
224/*----------------------- end-of-file (C source) -----------------------*/ 279/*----------------------- end-of-file (C source) -----------------------*/
280

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