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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 1.75 by sf-exg, Thu Sep 1 08:16:07 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 */ 34void
36int 35scrollBar_t::map (int map)
37rxvt_scrollbar_mapping(pR_ int map)
38{ 36{
39 int change = 0; 37 if (map)
40#ifdef HAVE_SCROLLBARS
41
42 if (map && !scrollbar_visible(R)) {
43 R->scrollBar.setIdle ();
44 if (!R->scrollBar.win)
45 rxvt_Resize_scrollBar(aR);
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 = SB_STATE_IDLE;
56 return change;
57}
58 40
59/* EXTPROTO */ 41 if (!win)
60void 42 resize ();
61rxvt_Resize_scrollBar(pR) 43 else
62{ 44 XMapWindow (term->dpy, win);
63#ifdef HAVE_SCROLLBARS 45 }
64 int delayed_init = 0; 46 else
65
66#define R_SCROLLBEG_XTERM 0
67#define R_SCROLLEND_XTERM R->szHint.height
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
75#if defined(XTERM_SCROLLBAR)
76 if (R->scrollBar.style == R_SB_XTERM) {
77 R->scrollBar.beg = R_SCROLLBEG_XTERM;
78 R->scrollBar.end = R_SCROLLEND_XTERM;
79 R->scrollBar.update = rxvt_scrollbar_show_xterm;
80 } 47 {
81#endif 48 state = SB_STATE_OFF;
82#if defined(NEXT_SCROLLBAR) 49
83 if (R->scrollBar.style == R_SB_NEXT) { 50 if (win)
84 R->scrollBar.beg = R_SCROLLBEG_NEXT; 51 XUnmapWindow (term->dpy, win);
85 R->scrollBar.end = R_SCROLLEND_NEXT; 52 }
86 R->scrollBar.update = rxvt_scrollbar_show_next; 53}
54
55void
56scrollBar_t::resize ()
57{
58 int delayed_init = 0;
59 int window_sb_x = 0;
60
61 if (term->option (Opt_scrollBar_right))
62 window_sb_x = term->szHint.width - total_width ();
63
64 update_data ();
65
66 if (!win)
87 } 67 {
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 */ 68 /* create the scrollbar window */
99 R->scrollBar.win = XCreateSimpleWindow(R->Xdisplay, 69 win = XCreateSimpleWindow (term->dpy,
100 R->TermWin.parent[0], 70 term->parent,
101 R->window_sb_x, 0, 71 window_sb_x, 0,
102 scrollbar_TotalWidth(), 72 total_width (),
103 R->szHint.height, 73 term->szHint.height,
104 0, 74 0,
105 R->PixColors[Color_fg], 75 term->pix_colors[Color_fg],
106 R->PixColors[Color_bg]); 76 term->pix_colors[Color_border]);
107#ifdef DEBUG_X 77 XDefineCursor (term->dpy, win, leftptr_cursor);
108 XStoreName(R->Xdisplay, R->scrollBar.win, "scrollbar"); 78
109#endif 79 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 80 ExposureMask | ButtonPressMask | ButtonReleaseMask
113 | Button1MotionMask | Button2MotionMask 81 | Button1MotionMask | Button2MotionMask
114 | Button3MotionMask)); 82 | Button3MotionMask);
83 term->scrollbar_ev.start (term->display, win);
84
115 delayed_init = 1; 85 delayed_init = 1;
116 } 86 }
117 rxvt_scrollbar_show(aR_ 1); 87 else
88 XMoveResizeWindow (term->dpy, win,
89 window_sb_x, 0,
90 total_width (), term->szHint.height);
91
92 show (1);
93
118 if (delayed_init) 94 if (delayed_init)
119 XMapWindow(R->Xdisplay, R->scrollBar.win); 95 XMapWindow (term->dpy, win);
120#endif
121} 96}
122 97
123/* 98/*
124 * Update current scrollbar view w.r.t. slider heights, etc. 99 * Update current scrollbar view w.r.t. slider heights, etc.
125 */ 100 */
126/* EXTPROTO */
127int 101int
128rxvt_scrollbar_show(pR_ int update) 102scrollBar_t::show (int refresh)
129{ 103{
130 int ret = 0; 104 int ret;
131#ifdef HAVE_SCROLLBARS
132 int top, bot, len, adj;
133 105
134 if (!scrollbar_visible(R)) 106 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; 107 return 0;
108
109 if (refresh)
152 } 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);
114 int n = min (min_height (), size ());
153 115
154 ret = R->scrollBar.update(aR_ update, R->last_top, R->last_bot, 116 top = beg + (sb_top * (size () - n)) / sb_len;
155 R->scrollbar_len); 117 bot = top + ecb_div_ru ((sb_bot - sb_top) * (size () - n), sb_len) + n;
118 /* no change */
119 if (top == last_top
120 && bot == last_bot
121 && (state == last_state
122 || !(state == SB_STATE_UP || state == SB_STATE_DOWN)))
123 return 0;
124 }
156 125
157 R->last_top = R->scrollBar.top; 126 ret = (this->*update) (refresh);
158 R->last_bot = R->scrollBar.bot;
159 R->last_state = R->scrollBar.state;
160 127
161#endif 128 last_top = top;
129 last_bot = bot;
130 last_state = state;
131
162 return ret; 132 return ret;
163} 133}
164 134
165/* EXTPROTO */
166void 135void
167rxvt_setup_scrollbar(pR_ const char *scrollalign, const char *scrollstyle, const char *thickness) 136scrollBar_t::setup (rxvt_term *term)
168{ 137{
169#ifdef HAVE_SCROLLBARS 138 int i;
170 int i; 139 const char *scrollalign, *scrollstyle, *thickness;
171 short style, width;
172 140
173# if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) 141 this->term = term;
142 scrollalign = term->rs[Rs_scrollBar_align];
143 scrollstyle = term->rs[Rs_scrollstyle];
144 thickness = term->rs[Rs_scrollBar_thickness];
145
146# if defined(RXVT_SCROLLBAR)
174 style = R_SB_RXVT; 147 style = SB_STYLE_RXVT;
148# elif defined(XTERM_SCROLLBAR)
149 style = SB_STYLE_XTERM;
150# elif defined(NEXT_SCROLLBAR)
151 style = SB_STYLE_NEXT;
152# elif defined(PLAIN_SCROLLBAR)
153 style = SB_STYLE_PLAIN;
175# else 154#else
155 style = SB_STYLE_RXVT;
156# endif
157
158# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
159 if (scrollstyle)
160 {
176# ifdef NEXT_SCROLLBAR 161# ifdef NEXT_SCROLLBAR
162 if (strncasecmp (scrollstyle, "next", 4) == 0)
177 style = R_SB_NEXT; 163 style = SB_STYLE_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 164# endif
189# ifdef XTERM_SCROLLBAR 165# ifdef XTERM_SCROLLBAR
190 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) 166 if (strncasecmp (scrollstyle, "xterm", 5) == 0)
191 style = R_SB_XTERM; 167 style = SB_STYLE_XTERM;
192# endif 168# endif
169# ifdef PLAIN_SCROLLBAR
170 if (strncasecmp (scrollstyle, "plain", 5) == 0)
171 style = SB_STYLE_PLAIN;
172# endif
173
193 } 174 }
194# endif 175# endif
195 if (style == R_SB_NEXT) 176 if (style == SB_STYLE_NEXT)
196 width = SB_WIDTH_NEXT; 177 width = SB_WIDTH_NEXT;
197 else if (style == R_SB_XTERM) 178 else if (style == SB_STYLE_XTERM)
198 width = SB_WIDTH_XTERM; 179 width = SB_WIDTH_XTERM;
180 else if (style == SB_STYLE_PLAIN)
181 width = SB_WIDTH_PLAIN;
199 else /* if (style == R_SB_RXVT) */ 182 else /* if (style == SB_STYLE_RXVT) */
200 width = SB_WIDTH_RXVT; 183 width = SB_WIDTH_RXVT;
201 184
202 if (style != R_SB_NEXT) /* dishonour request - for now */ 185 if (style != SB_STYLE_NEXT) /* dishonour request - for now */
203 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) 186 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
204 width = min(i, SB_WIDTH_MAXIMUM); 187 width = min (i, SB_WIDTH_MAXIMUM);
205 188
206# if defined(RXVT_SCROLLBAR) 189# ifdef RXVT_SCROLLBAR
207 if (!(R->Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 190 if (! term->option (Opt_scrollBar_floating) && style == SB_STYLE_RXVT)
208 R->sb_shadow = SHADOW; 191 shadow = SHADOW_WIDTH;
209# endif 192# endif
210 193
211 R->scrollBar.style = style;
212 R->scrollBar.width = width;
213
214 /* R->scrollbar_align = R_SB_ALIGN_CENTRE; */ 194 /* align = SB_ALIGN_CENTRE; */
215 if (scrollalign) { 195 if (scrollalign)
216 if (STRNCASECMP(scrollalign, "top", 3) == 0) 196 {
217 R->scrollbar_align = R_SB_ALIGN_TOP; 197 if (strncasecmp (scrollalign, "top", 3) == 0)
218 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) 198 align = SB_ALIGN_TOP;
219 R->scrollbar_align = R_SB_ALIGN_BOTTOM; 199 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
200 align = SB_ALIGN_BOTTOM;
201 }
202 last_state = SB_STATE_OFF;
203 /* cursor scrollBar: Black-on-White */
204 leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr);
205}
206
207void
208scrollBar_t::destroy ()
209{
210#ifdef XTERM_SCROLLBAR
211 if (xscrollbarGC) XFreeGC (term->dpy, xscrollbarGC);
212 if (ShadowGC) XFreeGC (term->dpy, ShadowGC);
213#endif
214#ifdef PLAIN_SCROLLBAR
215 if (pscrollbarGC) XFreeGC (term->dpy, pscrollbarGC);
216#endif
217#ifdef NEXT_SCROLLBAR
218 if (blackGC) XFreeGC (term->dpy, blackGC);
219 if (whiteGC) XFreeGC (term->dpy, whiteGC);
220 if (grayGC) XFreeGC (term->dpy, grayGC);
221 if (darkGC) XFreeGC (term->dpy, darkGC);
222 if (stippleGC) XFreeGC (term->dpy, stippleGC);
223 if (dimple) XFreePixmap (term->dpy, dimple);
224 if (upArrow) XFreePixmap (term->dpy, upArrow);
225 if (downArrow) XFreePixmap (term->dpy, downArrow);
226 if (upArrowHi) XFreePixmap (term->dpy, upArrowHi);
227 if (downArrowHi) XFreePixmap (term->dpy, downArrowHi);
228#endif
229#ifdef RXVT_SCROLLBAR
230 if (topShadowGC) XFreeGC (term->dpy, topShadowGC);
231 if (botShadowGC) XFreeGC (term->dpy, botShadowGC);
232 if (scrollbarGC) XFreeGC (term->dpy, scrollbarGC);
233#endif
234}
235
236void
237scrollBar_t::update_data ()
238{
239#if defined(PLAIN_SCROLLBAR)
240 if (style == SB_STYLE_PLAIN)
241 {
242 beg = 0;
243 end = term->szHint.height;
244 update = &scrollBar_t::show_plain;
245 }
246#endif
247#if defined(XTERM_SCROLLBAR)
248 if (style == SB_STYLE_XTERM)
249 {
250 beg = 0;
251 end = term->szHint.height;
252 update = &scrollBar_t::show_xterm;
253 }
254#endif
255#if defined(NEXT_SCROLLBAR)
256 if (style == SB_STYLE_NEXT)
257 {
258 beg = 0;
259 end = term->szHint.height - (SB_BUTTON_TOTAL_HEIGHT + SB_PADDING);
260 update = &scrollBar_t::show_next;
261 }
262#endif
263#if defined(RXVT_SCROLLBAR)
264 if (style == SB_STYLE_RXVT)
265 {
266 beg = (width + 1) + shadow;
267 end = term->szHint.height - beg - (2 * shadow);
268 update = &scrollBar_t::show_rxvt;
220 } 269 }
221#endif 270#endif
222} 271}
223 272
224/*----------------------- end-of-file (C source) -----------------------*/ 273/*----------------------- end-of-file (C source) -----------------------*/
274

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