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 */ |
|
|
36 | int |
34 | int |
37 | rxvt_scrollbar_mapping(pR_ int map) |
35 | rxvt_term::scrollbar_mapping (int map) |
38 | { |
36 | { |
39 | int change = 0; |
37 | int change = 0; |
40 | |
38 | |
41 | #ifdef HAVE_SCROLLBARS |
39 | if (map) |
42 | if (map && !scrollbar_visible(R)) { |
40 | { |
43 | R->scrollBar.setIdle (); |
41 | scrollBar.state = STATE_IDLE; |
|
|
42 | |
44 | if (!R->scrollBar.win) |
43 | if (!scrollBar.win) |
45 | R->resize_scrollbar (); |
44 | resize_scrollbar (); |
|
|
45 | |
46 | if (R->scrollBar.win) { |
46 | if (scrollBar.win) |
|
|
47 | { |
47 | XMapWindow(R->Xdisplay, R->scrollBar.win); |
48 | XMapWindow (dpy, scrollBar.win); |
|
|
49 | change = 1; |
|
|
50 | } |
|
|
51 | } |
|
|
52 | else |
|
|
53 | { |
|
|
54 | scrollBar.state = 0; |
|
|
55 | XUnmapWindow (dpy, 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 | void |
62 | void |
60 | rxvt_term::resize_scrollbar () |
63 | rxvt_term::resize_scrollbar () |
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 (option (Opt_scrollBar_right)) |
66 | #define R_SCROLLEND_XTERM szHint.height |
69 | window_sb_x = szHint.width - scrollBar.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 | scrollBar.update_data (); |
75 | if (scrollBar.style == R_SB_XTERM) { |
|
|
76 | scrollBar.beg = R_SCROLLBEG_XTERM; |
|
|
77 | scrollBar.end = R_SCROLLEND_XTERM; |
|
|
78 | scrollBar.update = rxvt_scrollbar_show_xterm; |
|
|
79 | } |
|
|
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 | |
72 | |
96 | if (!scrollBar.win) { |
73 | if (!scrollBar.win) |
|
|
74 | { |
97 | /* create the scrollbar window */ |
75 | /* create the scrollbar window */ |
98 | scrollBar.win = XCreateSimpleWindow(Xdisplay, |
76 | scrollBar.win = XCreateSimpleWindow (dpy, |
99 | TermWin.parent[0], |
77 | parent[0], |
100 | window_sb_x, 0, |
78 | window_sb_x, 0, |
101 | scrollbar_TotalWidth(), |
79 | scrollBar.total_width (), |
102 | szHint.height, |
80 | szHint.height, |
103 | 0, |
81 | 0, |
104 | PixColors[Color_fg], |
82 | pix_colors[Color_fg], |
105 | PixColors[Color_bg]); |
83 | pix_colors[Color_border]); |
106 | #ifdef DEBUG_X |
|
|
107 | XStoreName(Xdisplay, scrollBar.win, "scrollbar"); |
|
|
108 | #endif |
|
|
109 | XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor); |
84 | XDefineCursor (dpy, scrollBar.win, scrollBar.leftptr_cursor); |
|
|
85 | |
110 | XSelectInput(Xdisplay, scrollBar.win, |
86 | XSelectInput (dpy, scrollBar.win, |
111 | (ExposureMask | ButtonPressMask | ButtonReleaseMask |
87 | ExposureMask | ButtonPressMask | ButtonReleaseMask |
112 | | Button1MotionMask | Button2MotionMask |
88 | | Button1MotionMask | Button2MotionMask |
113 | | Button3MotionMask)); |
89 | | Button3MotionMask); |
|
|
90 | scrollbar_ev.start (display, scrollBar.win); |
|
|
91 | |
114 | delayed_init = 1; |
92 | delayed_init = 1; |
115 | } |
93 | } |
|
|
94 | else |
|
|
95 | XMoveResizeWindow (dpy, scrollBar.win, |
|
|
96 | window_sb_x, 0, |
|
|
97 | scrollBar.total_width (), szHint.height); |
|
|
98 | |
116 | rxvt_scrollbar_show (this, 1); |
99 | scrollbar_show (1); |
|
|
100 | |
117 | if (delayed_init) |
101 | if (delayed_init) |
118 | XMapWindow (Xdisplay, scrollBar.win); |
102 | XMapWindow (dpy, scrollBar.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 */ |
|
|
126 | int |
108 | int |
127 | rxvt_scrollbar_show(pR_ int update) |
109 | rxvt_term::scrollbar_show (int update) |
128 | { |
110 | { |
129 | int ret = 0; |
111 | int ret = 0; |
130 | #ifdef HAVE_SCROLLBARS |
|
|
131 | int top, bot, len, adj; |
|
|
132 | |
112 | |
133 | if (!scrollbar_visible(R)) |
113 | if (!scrollBar.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 (update) |
151 | } |
117 | { |
|
|
118 | int top = view_start - top_row; |
|
|
119 | int bot = top + (nrow - 1); |
|
|
120 | int len = max (nrow - 1 - top_row, 1); |
|
|
121 | int size = (bot - top) * scrollBar.size (); |
152 | |
122 | |
153 | ret = R->scrollBar.update(aR_ update, R->last_top, R->last_bot, |
123 | scrollBar.top = (scrollBar.beg + (top * scrollBar.size ()) / len); |
154 | R->scrollbar_len); |
124 | scrollBar.len = size / len + scrollBar.min_height () + (size % len > 0); |
|
|
125 | scrollBar.bot = (scrollBar.top + scrollBar.len); |
|
|
126 | /* no change */ |
|
|
127 | if (scrollBar.top == scrollBar.last_top |
|
|
128 | && scrollBar.bot == scrollBar.last_bot |
|
|
129 | && (scrollBar.state == scrollBar.last_state |
|
|
130 | || !(scrollBar.state == STATE_UP || scrollBar.state == STATE_DOWN))) |
|
|
131 | return 0; |
|
|
132 | } |
155 | |
133 | |
|
|
134 | ret = (this->*scrollBar.update) (update, scrollBar.last_top, scrollBar.last_bot, scrollBar.len); |
|
|
135 | |
156 | R->last_top = R->scrollBar.top; |
136 | scrollBar.last_top = scrollBar.top; |
157 | R->last_bot = R->scrollBar.bot; |
137 | scrollBar.last_bot = scrollBar.bot; |
158 | R->last_state = R->scrollBar.state; |
138 | scrollBar.last_state = scrollBar.state; |
159 | #endif |
|
|
160 | |
139 | |
161 | return ret; |
140 | return ret; |
162 | } |
141 | } |
163 | |
142 | |
164 | /* EXTPROTO */ |
|
|
165 | void |
143 | void |
166 | rxvt_setup_scrollbar(pR_ const char *scrollalign, const char *scrollstyle, const char *thickness) |
144 | scrollBar_t::setup (rxvt_term *term) |
167 | { |
145 | { |
168 | #ifdef HAVE_SCROLLBARS |
|
|
169 | int i; |
146 | int i; |
170 | short style, width; |
147 | short style, width; |
|
|
148 | const char *scrollalign, *scrollstyle, *thickness; |
171 | |
149 | |
172 | # if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) |
150 | this->term = term; |
|
|
151 | scrollalign = term->rs[Rs_scrollBar_align]; |
|
|
152 | scrollstyle = term->rs[Rs_scrollstyle]; |
|
|
153 | thickness = term->rs[Rs_scrollBar_thickness]; |
|
|
154 | |
|
|
155 | # if defined(RXVT_SCROLLBAR) |
173 | style = R_SB_RXVT; |
156 | style = R_SB_RXVT; |
|
|
157 | # elif defined(XTERM_SCROLLBAR) |
|
|
158 | style = R_SB_XTERM; |
|
|
159 | # elif defined(NEXT_SCROLLBAR) |
|
|
160 | style = R_SB_NEXT; |
|
|
161 | # elif defined(PLAIN_SCROLLBAR) |
|
|
162 | style = R_SB_PLAIN; |
174 | # else |
163 | #else |
|
|
164 | style = R_SB_RXVT; |
|
|
165 | # endif |
|
|
166 | |
|
|
167 | # if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)) |
|
|
168 | if (scrollstyle) |
|
|
169 | { |
175 | # ifdef NEXT_SCROLLBAR |
170 | # ifdef NEXT_SCROLLBAR |
|
|
171 | if (strncasecmp (scrollstyle, "next", 4) == 0) |
176 | style = R_SB_NEXT; |
172 | 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 |
173 | # endif |
188 | # ifdef XTERM_SCROLLBAR |
174 | # ifdef XTERM_SCROLLBAR |
189 | if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) |
175 | if (strncasecmp (scrollstyle, "xterm", 5) == 0) |
190 | style = R_SB_XTERM; |
176 | style = R_SB_XTERM; |
191 | # endif |
177 | # endif |
|
|
178 | # ifdef PLAIN_SCROLLBAR |
|
|
179 | if (strncasecmp (scrollstyle, "plain", 5) == 0) |
|
|
180 | style = R_SB_PLAIN; |
|
|
181 | # endif |
|
|
182 | |
192 | } |
183 | } |
193 | # endif |
184 | # endif |
194 | if (style == R_SB_NEXT) |
185 | if (style == R_SB_NEXT) |
195 | width = SB_WIDTH_NEXT; |
186 | width = SB_WIDTH_NEXT; |
196 | else if (style == R_SB_XTERM) |
187 | else if (style == R_SB_XTERM) |
197 | width = SB_WIDTH_XTERM; |
188 | width = SB_WIDTH_XTERM; |
|
|
189 | else if (style == R_SB_PLAIN) |
|
|
190 | width = SB_WIDTH_PLAIN; |
198 | else /* if (style == R_SB_RXVT) */ |
191 | else /* if (style == R_SB_RXVT) */ |
199 | width = SB_WIDTH_RXVT; |
192 | width = SB_WIDTH_RXVT; |
200 | |
193 | |
201 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
194 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
202 | if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) |
195 | if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM) |
203 | width = min(i, SB_WIDTH_MAXIMUM); |
196 | width = min (i, SB_WIDTH_MAXIMUM); |
204 | |
197 | |
205 | # if defined(RXVT_SCROLLBAR) |
198 | # ifdef RXVT_SCROLLBAR |
206 | if (!(R->Options & Opt_scrollBar_floating) && style == R_SB_RXVT) |
199 | if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT) |
207 | R->sb_shadow = SHADOW; |
200 | shadow = SHADOW_WIDTH; |
208 | # endif |
201 | # endif |
209 | |
202 | |
210 | R->scrollBar.style = style; |
203 | this->style = style; |
211 | R->scrollBar.width = width; |
204 | this->width = width; |
212 | |
205 | |
213 | /* R->scrollbar_align = R_SB_ALIGN_CENTRE; */ |
206 | /* align = R_SB_ALIGN_CENTRE; */ |
214 | if (scrollalign) { |
207 | if (scrollalign) |
215 | if (STRNCASECMP(scrollalign, "top", 3) == 0) |
208 | { |
216 | R->scrollbar_align = R_SB_ALIGN_TOP; |
209 | if (strncasecmp (scrollalign, "top", 3) == 0) |
217 | else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) |
210 | align = R_SB_ALIGN_TOP; |
218 | R->scrollbar_align = R_SB_ALIGN_BOTTOM; |
211 | else if (strncasecmp (scrollalign, "bottom", 6) == 0) |
|
|
212 | align = R_SB_ALIGN_BOTTOM; |
|
|
213 | } |
|
|
214 | last_bot = last_state = -1; |
|
|
215 | /* cursor scrollBar: Black-on-White */ |
|
|
216 | leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr); |
|
|
217 | } |
|
|
218 | |
|
|
219 | void |
|
|
220 | scrollBar_t::update_data () |
|
|
221 | { |
|
|
222 | #if defined(PLAIN_SCROLLBAR) |
|
|
223 | if (style == R_SB_PLAIN) |
|
|
224 | { |
|
|
225 | beg = 0; |
|
|
226 | end = term->szHint.height; |
|
|
227 | update = &rxvt_term::scrollbar_show_plain; |
|
|
228 | } |
|
|
229 | #endif |
|
|
230 | #if defined(XTERM_SCROLLBAR) |
|
|
231 | if (style == R_SB_XTERM) |
|
|
232 | { |
|
|
233 | beg = 0; |
|
|
234 | end = term->szHint.height; |
|
|
235 | update = &rxvt_term::scrollbar_show_xterm; |
|
|
236 | } |
|
|
237 | #endif |
|
|
238 | #if defined(NEXT_SCROLLBAR) |
|
|
239 | if (style == R_SB_NEXT) |
|
|
240 | { |
|
|
241 | beg = 0; |
|
|
242 | end = term->szHint.height - (SB_BUTTON_TOTAL_HEIGHT + SB_PADDING); |
|
|
243 | update = &rxvt_term::scrollbar_show_next; |
|
|
244 | } |
|
|
245 | #endif |
|
|
246 | #if defined(RXVT_SCROLLBAR) |
|
|
247 | if (style == R_SB_RXVT) |
|
|
248 | { |
|
|
249 | beg = (width + 1) + shadow; |
|
|
250 | end = term->szHint.height - beg - (2 * shadow); |
|
|
251 | update = &rxvt_term::scrollbar_show_rxvt; |
219 | } |
252 | } |
220 | #endif |
253 | #endif |
221 | } |
254 | } |
222 | |
255 | |
223 | /*----------------------- end-of-file (C source) -----------------------*/ |
256 | /*----------------------- end-of-file (C source) -----------------------*/ |
|
|
257 | |