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Comparing rxvt-unicode/src/scrollbar.C (file contents):
Revision 1.13 by pcg, Mon Feb 9 07:11:49 2004 UTC vs.
Revision 1.74 by sf-exg, Thu Sep 1 08:11:27 2011 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: scrollbar.c 2 * File: scrollbar.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * 4 *
5 * Copyright (c) 1997,1998 mj olesen <olesen@me.QueensU.CA> 5 * Copyright (c) 1997,1998 mj olesen <olesen@me.QueensU.CA>
6 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org> 6 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org>
7 * - N*XTstep like scrollbars 7 * - N*XTstep like scrollbars
8 * 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>
9 * 10 *
10 * 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
11 * 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
12 * the Free Software Foundation; either version 2 of the License, or 13 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version. 14 * (at your option) any later version.
… …
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *----------------------------------------------------------------------*/ 24 *----------------------------------------------------------------------*/
24 25
25#include "../config.h" /* NECESSARY */ 26#include "../config.h" /* NECESSARY */
26#include "rxvt.h" /* NECESSARY */ 27#include "rxvt.h" /* NECESSARY */
27#include "scrollbar.intpro" /* PROTOS for internal routines */
28 28
29/*----------------------------------------------------------------------*/ 29/*----------------------------------------------------------------------*/
30 30
31/* 31/*
32 * 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
33 */ 33 */
34int 34void
35rxvt_term::scrollbar_mapping (int map) 35scrollBar_t::map (int map)
36{ 36{
37 int change = 0; 37 if (map)
38
39#ifdef HAVE_SCROLLBARS
40 if (map && !scrollbar_visible())
41 {
42 scrollBar.setIdle ();
43 if (!scrollBar.win)
44 resize_scrollbar ();
45 if (scrollBar.win)
46 {
47 XMapWindow(display->display, scrollBar.win);
48 change = 1;
49 }
50 } 38 {
51 else if (!map && scrollbar_visible()) 39 state = SB_STATE_IDLE;
40
41 if (!win)
42 resize ();
43 else
44 XMapWindow (term->dpy, win);
52 { 45 }
53 scrollBar.state = 0; 46 else
54 XUnmapWindow(display->display, scrollBar.win);
55 change = 1;
56 } 47 {
57#endif 48 state = SB_STATE_OFF;
58 return change;
59}
60 49
50 if (win)
51 XUnmapWindow (term->dpy, win);
52 }
53}
54
61void 55void
62rxvt_term::resize_scrollbar () 56scrollBar_t::resize ()
63{ 57{
64#ifdef HAVE_SCROLLBARS
65 int delayed_init = 0; 58 int delayed_init = 0;
59 int window_sb_x = 0;
66 60
67#define R_SCROLLBEG_XTERM 0 61 if (term->option (Opt_scrollBar_right))
68#define R_SCROLLEND_XTERM szHint.height 62 window_sb_x = term->szHint.width - total_width ();
69#define R_SCROLLBEG_NEXT 0
70#define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \
71 SB_PADDING)
72#define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow
73#define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \
74 (2 * sb_shadow)
75 63
76#if defined(PLAIN_SCROLLBAR) 64 update_data ();
77 if (scrollBar.style == R_SB_PLAIN)
78 {
79 scrollBar.beg = R_SCROLLBEG_XTERM;
80 scrollBar.end = R_SCROLLEND_XTERM;
81 scrollBar.update = &rxvt_term::scrollbar_show_plain;
82 }
83#endif
84#if defined(XTERM_SCROLLBAR)
85 if (scrollBar.style == R_SB_XTERM)
86 {
87 scrollBar.beg = R_SCROLLBEG_XTERM;
88 scrollBar.end = R_SCROLLEND_XTERM;
89 scrollBar.update = &rxvt_term::scrollbar_show_xterm;
90 }
91#endif
92#if defined(NEXT_SCROLLBAR)
93 if (scrollBar.style == R_SB_NEXT)
94 {
95 scrollBar.beg = R_SCROLLBEG_NEXT;
96 scrollBar.end = R_SCROLLEND_NEXT;
97 scrollBar.update = &rxvt_term::scrollbar_show_next;
98 }
99#endif
100#if defined(RXVT_SCROLLBAR)
101 if (scrollBar.style == R_SB_RXVT)
102 {
103 scrollBar.beg = R_SCROLLBEG_RXVT;
104 scrollBar.end = R_SCROLLEND_RXVT;
105 scrollBar.update = &rxvt_term::scrollbar_show_rxvt;
106 }
107#endif
108 65
109 if (!scrollBar.win) 66 if (!win)
110 { 67 {
111 /* create the scrollbar window */ 68 /* create the scrollbar window */
112 scrollBar.win = XCreateSimpleWindow(display->display, 69 win = XCreateSimpleWindow (term->dpy,
113 TermWin.parent[0], 70 term->parent,
114 window_sb_x, 0, 71 window_sb_x, 0,
115 scrollbar_TotalWidth(), 72 total_width (),
116 szHint.height, 73 term->szHint.height,
117 0, 74 0,
118 PixColors[Color_fg], 75 term->pix_colors[Color_fg],
119 PixColors[Color_bg]); 76 term->pix_colors[Color_border]);
120#ifdef DEBUG_X
121 XStoreName(display->display, scrollBar.win, "scrollbar");
122#endif
123 XDefineCursor(display->display, scrollBar.win, leftptr_cursor); 77 XDefineCursor (term->dpy, win, leftptr_cursor);
124 78
125 XSelectInput(display->display, scrollBar.win, 79 XSelectInput (term->dpy, win,
126 ExposureMask | ButtonPressMask | ButtonReleaseMask 80 ExposureMask | ButtonPressMask | ButtonReleaseMask
127 | Button1MotionMask | Button2MotionMask 81 | Button1MotionMask | Button2MotionMask
128 | Button3MotionMask); 82 | Button3MotionMask);
129 scrollbar_ev.start (display, scrollBar.win); 83 term->scrollbar_ev.start (term->display, win);
130 84
131 delayed_init = 1; 85 delayed_init = 1;
132 } 86 }
87 else
88 XMoveResizeWindow (term->dpy, win,
89 window_sb_x, 0,
90 total_width (), term->szHint.height);
133 91
134 scrollbar_show (1); 92 show (1);
135 93
136 if (delayed_init) 94 if (delayed_init)
137 XMapWindow (display->display, scrollBar.win); 95 XMapWindow (term->dpy, win);
138#endif
139} 96}
140 97
141/* 98/*
142 * Update current scrollbar view w.r.t. slider heights, etc. 99 * Update current scrollbar view w.r.t. slider heights, etc.
143 */ 100 */
144int 101int
145rxvt_term::scrollbar_show (int update) 102scrollBar_t::show (int refresh)
146{ 103{
147 int ret = 0; 104 int ret;
148#ifdef HAVE_SCROLLBARS
149 int top, bot, len, adj;
150 105
151 if (!scrollbar_visible()) 106 if (!state)
152 return 0; 107 return 0;
153 108
154 if (update) 109 if (refresh)
155 { 110 {
156 top = (TermWin.nscrolled - TermWin.view_start); 111 int sb_top = term->view_start - term->top_row;
157 bot = top + (TermWin.nrow - 1); 112 int sb_bot = sb_top + (term->nrow - 1);
158 len = max((TermWin.nscrolled + (TermWin.nrow - 1)), 1); 113 int sb_len = max (term->nrow - 1 - term->top_row, 1);
159 adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0;
160 114
161 scrollBar.top = (scrollBar.beg + (top * scrollbar_size()) / len); 115 top = beg + (sb_top * size ()) / sb_len;
162 scrollbar_len = ((bot - top) * scrollbar_size()) / len + 116 bot = top + ecb_div_ru ((sb_bot - sb_top) * size (), sb_len) + min_height ();
163 scrollbar_minheight() + adj;
164 scrollBar.bot = (scrollBar.top + scrollbar_len);
165 /* no change */ 117 /* no change */
166 if (scrollBar.top == last_top 118 if (top == last_top
167 && scrollBar.bot == last_bot 119 && bot == last_bot
168 && (scrollBar.state == last_state || !scrollbar_isUpDn())) 120 && (state == last_state
121 || !(state == SB_STATE_UP || state == SB_STATE_DOWN)))
169 return 0; 122 return 0;
170 } 123 }
171 124
172 ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); 125 ret = (this->*update) (refresh);
173 126
174 last_top = scrollBar.top; 127 last_top = top;
175 last_bot = scrollBar.bot; 128 last_bot = bot;
176 last_state = scrollBar.state; 129 last_state = state;
177#endif
178 130
179 return ret; 131 return ret;
180} 132}
181 133
182void 134void
183rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) 135scrollBar_t::setup (rxvt_term *term)
184{ 136{
185#ifdef HAVE_SCROLLBARS 137 int i;
186 int i; 138 const char *scrollalign, *scrollstyle, *thickness;
187 short style, width; 139
140 this->term = term;
141 scrollalign = term->rs[Rs_scrollBar_align];
142 scrollstyle = term->rs[Rs_scrollstyle];
143 thickness = term->rs[Rs_scrollBar_thickness];
188 144
189# if defined(RXVT_SCROLLBAR) 145# if defined(RXVT_SCROLLBAR)
190 style = R_SB_RXVT; 146 style = SB_STYLE_RXVT;
191# elif defined(XTERM_SCROLLBAR) 147# elif defined(XTERM_SCROLLBAR)
192 style = R_SB_XTERM; 148 style = SB_STYLE_XTERM;
193# elif defined(NEXT_SCROLLBAR) 149# elif defined(NEXT_SCROLLBAR)
194 style = R_SB_NEXT; 150 style = SB_STYLE_NEXT;
195# elif defined(PLAIN_SCROLLBAR) 151# elif defined(PLAIN_SCROLLBAR)
196 style = R_SB_PLAIN; 152 style = SB_STYLE_PLAIN;
197#else 153#else
198 style = R_SB_RXVT; 154 style = SB_STYLE_RXVT;
199# endif 155# endif
200 156
201# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)) 157# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR))
202 if (scrollstyle) 158 if (scrollstyle)
203 { 159 {
204# ifdef NEXT_SCROLLBAR 160# ifdef NEXT_SCROLLBAR
205 if (STRNCASECMP(scrollstyle, "next", 4) == 0) 161 if (strncasecmp (scrollstyle, "next", 4) == 0)
206 style = R_SB_NEXT; 162 style = SB_STYLE_NEXT;
207# endif 163# endif
208# ifdef XTERM_SCROLLBAR 164# ifdef XTERM_SCROLLBAR
209 if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) 165 if (strncasecmp (scrollstyle, "xterm", 5) == 0)
210 style = R_SB_XTERM; 166 style = SB_STYLE_XTERM;
211# endif 167# endif
212# ifdef PLAIN_SCROLLBAR 168# ifdef PLAIN_SCROLLBAR
213 if (STRNCASECMP(scrollstyle, "plain", 5) == 0) 169 if (strncasecmp (scrollstyle, "plain", 5) == 0)
214 style = R_SB_PLAIN; 170 style = SB_STYLE_PLAIN;
215# endif 171# endif
216 172
217 } 173 }
218# endif 174# endif
219 if (style == R_SB_NEXT) 175 if (style == SB_STYLE_NEXT)
220 width = SB_WIDTH_NEXT; 176 width = SB_WIDTH_NEXT;
221 else if (style == R_SB_XTERM) 177 else if (style == SB_STYLE_XTERM)
222 width = SB_WIDTH_XTERM; 178 width = SB_WIDTH_XTERM;
223 else if (style == R_SB_PLAIN) 179 else if (style == SB_STYLE_PLAIN)
224 width = SB_WIDTH_PLAIN; 180 width = SB_WIDTH_PLAIN;
225 else /* if (style == R_SB_RXVT) */ 181 else /* if (style == SB_STYLE_RXVT) */
226 width = SB_WIDTH_RXVT; 182 width = SB_WIDTH_RXVT;
227 183
228 if (style != R_SB_NEXT) /* dishonour request - for now */ 184 if (style != SB_STYLE_NEXT) /* dishonour request - for now */
229 if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) 185 if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM)
230 width = min(i, SB_WIDTH_MAXIMUM); 186 width = min (i, SB_WIDTH_MAXIMUM);
231 187
232# if defined(RXVT_SCROLLBAR) 188# ifdef RXVT_SCROLLBAR
233 if (!(Options & Opt_scrollBar_floating) && style == R_SB_RXVT) 189 if (! term->option (Opt_scrollBar_floating) && style == SB_STYLE_RXVT)
234 sb_shadow = SHADOW; 190 shadow = SHADOW_WIDTH;
235# endif 191# endif
236 192
237 scrollBar.style = style;
238 scrollBar.width = width;
239
240 /* scrollbar_align = R_SB_ALIGN_CENTRE; */ 193 /* align = SB_ALIGN_CENTRE; */
241 if (scrollalign) 194 if (scrollalign)
242 { 195 {
243 if (STRNCASECMP(scrollalign, "top", 3) == 0) 196 if (strncasecmp (scrollalign, "top", 3) == 0)
244 scrollbar_align = R_SB_ALIGN_TOP; 197 align = SB_ALIGN_TOP;
245 else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) 198 else if (strncasecmp (scrollalign, "bottom", 6) == 0)
246 scrollbar_align = R_SB_ALIGN_BOTTOM; 199 align = SB_ALIGN_BOTTOM;
200 }
201 last_state = SB_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 == SB_STYLE_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 == SB_STYLE_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 == SB_STYLE_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 == SB_STYLE_RXVT)
264 {
265 beg = (width + 1) + shadow;
266 end = term->szHint.height - beg - (2 * shadow);
267 update = &scrollBar_t::show_rxvt;
247 } 268 }
248#endif 269#endif
249} 270}
250 271
251/*----------------------- end-of-file (C source) -----------------------*/ 272/*----------------------- end-of-file (C source) -----------------------*/

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