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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 1.73 by sf-exg, Tue Aug 30 16:39:03 2011 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 <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 */ 34void
36int 35scrollBar_t::map (int map)
37rxvt_scrollbar_mapping(pR_ int map)
38{ 36{
39 int change = 0; 37 if (map)
40
41#ifdef HAVE_SCROLLBARS
42 if (map && !scrollbar_visible(R)) {
43 R->scrollBar.setIdle ();
44 if (!R->scrollBar.win)
45 R->resize_scrollbar ();
46 if (R->scrollBar.win) {
47 XMapWindow(R->Xdisplay, R->scrollBar.win);
48 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 } 38 {
55#endif 39 state = STATE_IDLE;
56 return change;
57}
58 40
41 if (!win)
42 resize ();
43 else
44 XMapWindow (term->dpy, win);
45 }
46 else
47 {
48 state = STATE_OFF;
49
50 if (win)
51 XUnmapWindow (term->dpy, win);
52 }
53}
54
59void 55void
60rxvt_term::resize_scrollbar () 56scrollBar_t::resize ()
61{ 57{
62#ifdef HAVE_SCROLLBARS
63 int delayed_init = 0; 58 int delayed_init = 0;
59 int window_sb_x = 0;
64 60
65#define R_SCROLLBEG_XTERM 0 61 if (term->option (Opt_scrollBar_right))
66#define R_SCROLLEND_XTERM szHint.height 62 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 63
74#if defined(XTERM_SCROLLBAR) 64 update_data ();
75 if (scrollBar.style == R_SB_XTERM) { 65
76 scrollBar.beg = R_SCROLLBEG_XTERM; 66 if (!win)
77 scrollBar.end = R_SCROLLEND_XTERM;
78 scrollBar.update = rxvt_scrollbar_show_xterm;
79 } 67 {
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 */ 68 /* create the scrollbar window */
98 scrollBar.win = XCreateSimpleWindow(Xdisplay, 69 win = XCreateSimpleWindow (term->dpy,
99 TermWin.parent[0], 70 term->parent,
100 window_sb_x, 0, 71 window_sb_x, 0,
101 scrollbar_TotalWidth(), 72 total_width (),
102 szHint.height, 73 term->szHint.height,
103 0, 74 0,
104 PixColors[Color_fg], 75 term->pix_colors[Color_fg],
105 PixColors[Color_bg]); 76 term->pix_colors[Color_border]);
106#ifdef DEBUG_X 77 XDefineCursor (term->dpy, win, leftptr_cursor);
107 XStoreName(Xdisplay, scrollBar.win, "scrollbar"); 78
108#endif 79 XSelectInput (term->dpy, win,
109 XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor);
110 XSelectInput(Xdisplay, scrollBar.win,
111 (ExposureMask | ButtonPressMask | ButtonReleaseMask 80 ExposureMask | ButtonPressMask | ButtonReleaseMask
112 | Button1MotionMask | Button2MotionMask 81 | Button1MotionMask | Button2MotionMask
113 | Button3MotionMask)); 82 | Button3MotionMask);
83 term->scrollbar_ev.start (term->display, win);
84
114 delayed_init = 1; 85 delayed_init = 1;
115 } 86 }
116 rxvt_scrollbar_show (this, 1); 87 else
88 XMoveResizeWindow (term->dpy, win,
89 window_sb_x, 0,
90 total_width (), term->szHint.height);
91
92 show (1);
93
117 if (delayed_init) 94 if (delayed_init)
118 XMapWindow (Xdisplay, scrollBar.win); 95 XMapWindow (term->dpy, win);
119#endif
120} 96}
121 97
122/* 98/*
123 * Update current scrollbar view w.r.t. slider heights, etc. 99 * Update current scrollbar view w.r.t. slider heights, etc.
124 */ 100 */
125/* EXTPROTO */
126int 101int
127rxvt_scrollbar_show(pR_ int update) 102scrollBar_t::show (int refresh)
128{ 103{
129 int ret = 0; 104 int ret;
130#ifdef HAVE_SCROLLBARS
131 int top, bot, len, adj;
132 105
133 if (!scrollbar_visible(R)) 106 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; 107 return 0;
108
109 if (refresh)
151 } 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);
152 114
153 ret = R->scrollBar.update(aR_ update, R->last_top, R->last_bot, 115 top = beg + (sb_top * size ()) / sb_len;
154 R->scrollbar_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 == STATE_UP || state == STATE_DOWN)))
122 return 0;
123 }
155 124
156 R->last_top = R->scrollBar.top; 125 ret = (this->*update) (refresh);
157 R->last_bot = R->scrollBar.bot;
158 R->last_state = R->scrollBar.state;
159#endif
160 126
127 last_top = top;
128 last_bot = bot;
129 last_state = state;
130
161 return ret; 131 return ret;
162} 132}
163 133
164/* EXTPROTO */
165void 134void
166rxvt_setup_scrollbar(pR_ const char *scrollalign, const char *scrollstyle, const char *thickness) 135scrollBar_t::setup (rxvt_term *term)
167{ 136{
168#ifdef HAVE_SCROLLBARS 137 int i;
169 int i; 138 const char *scrollalign, *scrollstyle, *thickness;
170 short style, width;
171 139
172# 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)
173 style = R_SB_RXVT; 146 style = R_SB_RXVT;
147# elif defined(XTERM_SCROLLBAR)
148 style = R_SB_XTERM;
149# elif defined(NEXT_SCROLLBAR)
150 style = R_SB_NEXT;
151# elif defined(PLAIN_SCROLLBAR)
152 style = R_SB_PLAIN;
174# else 153#else
154 style = R_SB_RXVT;
155# endif
156
157# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
158 if (scrollstyle)
159 {
175# ifdef NEXT_SCROLLBAR 160# ifdef NEXT_SCROLLBAR
161 if (strncasecmp (scrollstyle, "next", 4) == 0)
176 style = R_SB_NEXT; 162 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 163# endif
188# ifdef XTERM_SCROLLBAR 164# ifdef XTERM_SCROLLBAR
189 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) 165 if (strncasecmp (scrollstyle, "xterm", 5) == 0)
190 style = R_SB_XTERM; 166 style = R_SB_XTERM;
191# endif 167# endif
168# ifdef PLAIN_SCROLLBAR
169 if (strncasecmp (scrollstyle, "plain", 5) == 0)
170 style = R_SB_PLAIN;
171# endif
172
192 } 173 }
193# endif 174# endif
194 if (style == R_SB_NEXT) 175 if (style == R_SB_NEXT)
195 width = SB_WIDTH_NEXT; 176 width = SB_WIDTH_NEXT;
196 else if (style == R_SB_XTERM) 177 else if (style == R_SB_XTERM)
197 width = SB_WIDTH_XTERM; 178 width = SB_WIDTH_XTERM;
179 else if (style == R_SB_PLAIN)
180 width = SB_WIDTH_PLAIN;
198 else /* if (style == R_SB_RXVT) */ 181 else /* if (style == R_SB_RXVT) */
199 width = SB_WIDTH_RXVT; 182 width = SB_WIDTH_RXVT;
200 183
201 if (style != R_SB_NEXT) /* dishonour request - for now */ 184 if (style != R_SB_NEXT) /* dishonour request - for now */
202 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) 185 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
203 width = min(i, SB_WIDTH_MAXIMUM); 186 width = min (i, SB_WIDTH_MAXIMUM);
204 187
205# if defined(RXVT_SCROLLBAR) 188# ifdef RXVT_SCROLLBAR
206 if (!(R->Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 189 if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT)
207 R->sb_shadow = SHADOW; 190 shadow = SHADOW_WIDTH;
208# endif 191# endif
209 192
210 R->scrollBar.style = style;
211 R->scrollBar.width = width;
212
213 /* R->scrollbar_align = R_SB_ALIGN_CENTRE; */ 193 /* align = R_SB_ALIGN_CENTRE; */
214 if (scrollalign) { 194 if (scrollalign)
215 if (STRNCASECMP(scrollalign, "top", 3) == 0) 195 {
216 R->scrollbar_align = R_SB_ALIGN_TOP; 196 if (strncasecmp (scrollalign, "top", 3) == 0)
217 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) 197 align = R_SB_ALIGN_TOP;
218 R->scrollbar_align = R_SB_ALIGN_BOTTOM; 198 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
199 align = R_SB_ALIGN_BOTTOM;
200 }
201 last_state = 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 == R_SB_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 == R_SB_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 == R_SB_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 == R_SB_RXVT)
264 {
265 beg = (width + 1) + shadow;
266 end = term->szHint.height - beg - (2 * shadow);
267 update = &scrollBar_t::show_rxvt;
219 } 268 }
220#endif 269#endif
221} 270}
222 271
223/*----------------------- end-of-file (C source) -----------------------*/ 272/*----------------------- end-of-file (C source) -----------------------*/
273

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