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Comparing rxvt-unicode/src/scrollbar.C (file contents):
Revision 1.5 by pcg, Thu Dec 18 05:45:11 2003 UTC vs.
Revision 1.66 by sf-exg, Thu Apr 7 12:19:41 2011 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: scrollbar.c 2 * File: scrollbar.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: scrollbar.C,v 1.5 2003/12/18 05:45:11 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 R->scrollBar.setIdle (); 53 {
44 if (!R->scrollBar.win) 54 state = 0;
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->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->leftptr_cursor);
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->scrollbar_len = ((bot - top) * scrollbar_size()) / len +
145 scrollbar_minheight() + adj;
146 R->scrollBar.bot = (R->scrollBar.top + R->scrollbar_len);
147 /* no change */
148 if (R->scrollBar.top == R->last_top
149 && R->scrollBar.bot == R->last_bot
150 && (R->scrollBar.state == R->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);
121 int sb_size = (sb_bot - sb_top) * size ();
153 122
154 ret = R->scrollBar.update(aR_ update, R->last_top, R->last_bot, 123 top = beg + (sb_top * size ()) / sb_len;
155 R->scrollbar_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 }
156 132
157 R->last_top = R->scrollBar.top; 133 ret = (this->*update) (refresh);
158 R->last_bot = R->scrollBar.bot;
159 R->last_state = R->scrollBar.state;
160 134
161#endif 135 last_top = top;
136 last_bot = bot;
137 last_state = state;
138
162 return ret; 139 return ret;
163} 140}
164 141
165/* EXTPROTO */
166void 142void
167rxvt_setup_scrollbar(pR_ const char *scrollalign, const char *scrollstyle, const char *thickness) 143scrollBar_t::setup (rxvt_term *term)
168{ 144{
169#ifdef HAVE_SCROLLBARS
170 int i; 145 int i;
171 short style, width; 146 short style, width;
147 const char *scrollalign, *scrollstyle, *thickness;
172 148
173# if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) 149 this->term = term;
150 scrollalign = term->rs[Rs_scrollBar_align];
151 scrollstyle = term->rs[Rs_scrollstyle];
152 thickness = term->rs[Rs_scrollBar_thickness];
153
154# if defined(RXVT_SCROLLBAR)
174 style = R_SB_RXVT; 155 style = R_SB_RXVT;
156# elif defined(XTERM_SCROLLBAR)
157 style = R_SB_XTERM;
158# elif defined(NEXT_SCROLLBAR)
159 style = R_SB_NEXT;
160# elif defined(PLAIN_SCROLLBAR)
161 style = R_SB_PLAIN;
175# else 162#else
163 style = R_SB_RXVT;
164# endif
165
166# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
167 if (scrollstyle)
168 {
176# ifdef NEXT_SCROLLBAR 169# ifdef NEXT_SCROLLBAR
170 if (strncasecmp (scrollstyle, "next", 4) == 0)
177 style = R_SB_NEXT; 171 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 172# endif
189# ifdef XTERM_SCROLLBAR 173# ifdef XTERM_SCROLLBAR
190 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) 174 if (strncasecmp (scrollstyle, "xterm", 5) == 0)
191 style = R_SB_XTERM; 175 style = R_SB_XTERM;
192# endif 176# endif
177# ifdef PLAIN_SCROLLBAR
178 if (strncasecmp (scrollstyle, "plain", 5) == 0)
179 style = R_SB_PLAIN;
180# endif
181
193 } 182 }
194# endif 183# endif
195 if (style == R_SB_NEXT) 184 if (style == R_SB_NEXT)
196 width = SB_WIDTH_NEXT; 185 width = SB_WIDTH_NEXT;
197 else if (style == R_SB_XTERM) 186 else if (style == R_SB_XTERM)
198 width = SB_WIDTH_XTERM; 187 width = SB_WIDTH_XTERM;
188 else if (style == R_SB_PLAIN)
189 width = SB_WIDTH_PLAIN;
199 else /* if (style == R_SB_RXVT) */ 190 else /* if (style == R_SB_RXVT) */
200 width = SB_WIDTH_RXVT; 191 width = SB_WIDTH_RXVT;
201 192
202 if (style != R_SB_NEXT) /* dishonour request - for now */ 193 if (style != R_SB_NEXT) /* dishonour request - for now */
203 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) 194 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
204 width = min(i, SB_WIDTH_MAXIMUM); 195 width = min (i, SB_WIDTH_MAXIMUM);
205 196
206# if defined(RXVT_SCROLLBAR) 197# ifdef RXVT_SCROLLBAR
207 if (!(R->Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 198 if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT)
208 R->sb_shadow = SHADOW; 199 shadow = SHADOW_WIDTH;
209# endif 200# endif
210 201
211 R->scrollBar.style = style; 202 this->style = style;
212 R->scrollBar.width = width; 203 this->width = width;
213 204
214 /* R->scrollbar_align = R_SB_ALIGN_CENTRE; */ 205 /* align = R_SB_ALIGN_CENTRE; */
215 if (scrollalign) { 206 if (scrollalign)
216 if (STRNCASECMP(scrollalign, "top", 3) == 0) 207 {
217 R->scrollbar_align = R_SB_ALIGN_TOP; 208 if (strncasecmp (scrollalign, "top", 3) == 0)
218 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) 209 align = R_SB_ALIGN_TOP;
219 R->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;
220 } 280 }
221#endif 281#endif
222} 282}
223 283
224/*----------------------- end-of-file (C source) -----------------------*/ 284/*----------------------- end-of-file (C source) -----------------------*/
285

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