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Comparing rxvt-unicode/src/scrollbar.C (file contents):
Revision 1.7 by pcg, Thu Dec 18 14:11:47 2003 UTC vs.
Revision 1.63 by sf-exg, Tue Mar 30 10:31:07 2010 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: scrollbar.c 2 * File: scrollbar.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: scrollbar.C,v 1.7 2003/12/18 14:11:47 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 <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.
… …
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 50 }
41#ifdef HAVE_SCROLLBARS 51 }
42 if (map && !scrollbar_visible(R)) { 52 else
43 R->scrollBar.setIdle (); 53 {
44 if (!R->scrollBar.win) 54 state = 0;
45 R->resize_scrollbar (); 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
59void 62void
60rxvt_term::resize_scrollbar () 63scrollBar_t::resize ()
61{ 64{
62#ifdef HAVE_SCROLLBARS
63 int delayed_init = 0; 65 int delayed_init = 0;
66 int window_sb_x = 0;
64 67
65#define R_SCROLLBEG_XTERM 0 68 if (term->option (Opt_scrollBar_right))
66#define R_SCROLLEND_XTERM szHint.height 69 window_sb_x = term->szHint.width - total_width ();
67#define R_SCROLLBEG_NEXT 0
68#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \
69 SB_PADDING)
70#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow
71#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \
72 (2 * sb_shadow)
73 70
74#if defined(XTERM_SCROLLBAR) 71 update_data ();
75 if (scrollBar.style == R_SB_XTERM) { 72
76 scrollBar.beg = R_SCROLLBEG_XTERM; 73 if (!win)
77 scrollBar.end = R_SCROLLEND_XTERM;
78 scrollBar.update = rxvt_scrollbar_show_xterm;
79 } 74 {
80#endif
81#if defined(NEXT_SCROLLBAR)
82 if (scrollBar.style == R_SB_NEXT) {
83 scrollBar.beg = R_SCROLLBEG_NEXT;
84 scrollBar.end = R_SCROLLEND_NEXT;
85 scrollBar.update = rxvt_scrollbar_show_next;
86 }
87#endif
88#if defined(RXVT_SCROLLBAR)
89 if (scrollBar.style == R_SB_RXVT) {
90 scrollBar.beg = R_SCROLLBEG_RXVT;
91 scrollBar.end = R_SCROLLEND_RXVT;
92 scrollBar.update = rxvt_scrollbar_show_rxvt;
93 }
94#endif
95
96 if (!scrollBar.win) {
97/* create the scrollbar window */ 75 /* create the scrollbar window */
98 scrollBar.win = XCreateSimpleWindow(Xdisplay, 76 win = XCreateSimpleWindow (term->dpy,
99 TermWin.parent[0], 77 term->parent[0],
100 window_sb_x, 0, 78 window_sb_x, 0,
101 scrollbar_TotalWidth(), 79 total_width (),
102 szHint.height, 80 term->szHint.height,
103 0, 81 0,
104 PixColors[Color_fg], 82 term->pix_colors[Color_fg],
105 PixColors[Color_bg]); 83 term->pix_colors[Color_border]);
106#ifdef DEBUG_X 84 XDefineCursor (term->dpy, win, leftptr_cursor);
107 XStoreName(Xdisplay, scrollBar.win, "scrollbar"); 85
108#endif 86 XSelectInput (term->dpy, win,
109 XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor);
110 XSelectInput(Xdisplay, scrollBar.win,
111 (ExposureMask | ButtonPressMask | ButtonReleaseMask 87 ExposureMask | ButtonPressMask | ButtonReleaseMask
112 | Button1MotionMask | Button2MotionMask 88 | Button1MotionMask | Button2MotionMask
113 | Button3MotionMask)); 89 | Button3MotionMask);
90 term->scrollbar_ev.start (term->display, win);
91
114 delayed_init = 1; 92 delayed_init = 1;
115 } 93 }
116 rxvt_scrollbar_show (this, 1); 94 else
95 XMoveResizeWindow (term->dpy, win,
96 window_sb_x, 0,
97 total_width (), term->szHint.height);
98
99 show (1);
100
117 if (delayed_init) 101 if (delayed_init)
118 XMapWindow (Xdisplay, scrollBar.win); 102 XMapWindow (term->dpy, win);
119#endif
120} 103}
121 104
122/* 105/*
123 * Update current scrollbar view w.r.t. slider heights, etc. 106 * Update current scrollbar view w.r.t. slider heights, etc.
124 */ 107 */
125/* EXTPROTO */
126int 108int
127rxvt_scrollbar_show(pR_ int update) 109scrollBar_t::show (int refresh)
128{ 110{
129 int ret = 0; 111 int ret;
130#ifdef HAVE_SCROLLBARS
131 int top, bot, len, adj;
132 112
133 if (!scrollbar_visible(R)) 113 if (!state)
134 return 0;
135
136 if (update) {
137 top = (R->TermWin.nscrolled - R->TermWin.view_start);
138 bot = top + (R->TermWin.nrow - 1);
139 len = max((R->TermWin.nscrolled + (R->TermWin.nrow - 1)), 1);
140 adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0;
141
142 R->scrollBar.top = (R->scrollBar.beg + (top * scrollbar_size()) / len);
143 R->scrollbar_len = ((bot - top) * scrollbar_size()) / len +
144 scrollbar_minheight() + adj;
145 R->scrollBar.bot = (R->scrollBar.top + R->scrollbar_len);
146 /* no change */
147 if (R->scrollBar.top == R->last_top
148 && R->scrollBar.bot == R->last_bot
149 && (R->scrollBar.state == R->last_state || !scrollbar_isUpDn()))
150 return 0; 114 return 0;
115
116 if (refresh)
151 } 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 ();
152 122
153 ret = R->scrollBar.update(aR_ update, R->last_top, R->last_bot, 123 top = beg + (sb_top * size ()) / sb_len;
154 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 }
155 132
156 R->last_top = R->scrollBar.top; 133 ret = (this->*update) (refresh);
157 R->last_bot = R->scrollBar.bot;
158 R->last_state = R->scrollBar.state;
159#endif
160 134
135 last_top = top;
136 last_bot = bot;
137 last_state = state;
138
161 return ret; 139 return ret;
162} 140}
163 141
164/* EXTPROTO */
165void 142void
166rxvt_setup_scrollbar(pR_ const char *scrollalign, const char *scrollstyle, const char *thickness) 143scrollBar_t::setup (rxvt_term *term)
167{ 144{
168#ifdef HAVE_SCROLLBARS
169 int i; 145 int i;
170 short style, width; 146 short style, width;
147 const char *scrollalign, *scrollstyle, *thickness;
171 148
172# 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)
173 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;
174# 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 {
175# ifdef NEXT_SCROLLBAR 169# ifdef NEXT_SCROLLBAR
170 if (strncasecmp (scrollstyle, "next", 4) == 0)
176 style = R_SB_NEXT; 171 style = R_SB_NEXT;
177# elif defined(XTERM_SCROLLBAR)
178 style = R_SB_XTERM;
179# endif
180# endif
181
182# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR))
183 if (scrollstyle) {
184# ifdef NEXT_SCROLLBAR
185 if (STRNCASECMP(scrollstyle, "next", 4) == 0)
186 style = R_SB_NEXT;
187# endif 172# endif
188# ifdef XTERM_SCROLLBAR 173# ifdef XTERM_SCROLLBAR
189 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) 174 if (strncasecmp (scrollstyle, "xterm", 5) == 0)
190 style = R_SB_XTERM; 175 style = R_SB_XTERM;
191# endif 176# endif
177# ifdef PLAIN_SCROLLBAR
178 if (strncasecmp (scrollstyle, "plain", 5) == 0)
179 style = R_SB_PLAIN;
180# endif
181
192 } 182 }
193# endif 183# endif
194 if (style == R_SB_NEXT) 184 if (style == R_SB_NEXT)
195 width = SB_WIDTH_NEXT; 185 width = SB_WIDTH_NEXT;
196 else if (style == R_SB_XTERM) 186 else if (style == R_SB_XTERM)
197 width = SB_WIDTH_XTERM; 187 width = SB_WIDTH_XTERM;
188 else if (style == R_SB_PLAIN)
189 width = SB_WIDTH_PLAIN;
198 else /* if (style == R_SB_RXVT) */ 190 else /* if (style == R_SB_RXVT) */
199 width = SB_WIDTH_RXVT; 191 width = SB_WIDTH_RXVT;
200 192
201 if (style != R_SB_NEXT) /* dishonour request - for now */ 193 if (style != R_SB_NEXT) /* dishonour request - for now */
202 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) 194 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
203 width = min(i, SB_WIDTH_MAXIMUM); 195 width = min (i, SB_WIDTH_MAXIMUM);
204 196
197 this->style = style;
198 this->width = width;
199
200 /* align = R_SB_ALIGN_CENTRE; */
201 if (scrollalign)
202 {
203 if (strncasecmp (scrollalign, "top", 3) == 0)
204 align = R_SB_ALIGN_TOP;
205 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
206 align = R_SB_ALIGN_BOTTOM;
207 }
208 last_bot = last_state = -1;
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
205# if defined(RXVT_SCROLLBAR) 269#if defined(RXVT_SCROLLBAR)
206 if (!(R->Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 270 if (style == R_SB_RXVT)
207 R->sb_shadow = SHADOW; 271 {
208# endif 272 beg = (width + 1) + shadow;
209 273 end = term->szHint.height - beg - (2 * shadow);
210 R->scrollBar.style = style; 274 update = &scrollBar_t::show_rxvt;
211 R->scrollBar.width = width;
212
213 /* R->scrollbar_align = R_SB_ALIGN_CENTRE; */
214 if (scrollalign) {
215 if (STRNCASECMP(scrollalign, "top", 3) == 0)
216 R->scrollbar_align = R_SB_ALIGN_TOP;
217 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0)
218 R->scrollbar_align = R_SB_ALIGN_BOTTOM;
219 } 275 }
220#endif 276#endif
221} 277}
222 278
223/*----------------------- end-of-file (C source) -----------------------*/ 279/*----------------------- end-of-file (C source) -----------------------*/
280

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