1 | /*--------------------------------*-C-*---------------------------------* |
1 | /*--------------------------------*-C-*---------------------------------* |
2 | * File: scrollbar.c |
2 | * File: scrollbar.c |
3 | *----------------------------------------------------------------------* |
3 | *----------------------------------------------------------------------* |
4 | * $Id: scrollbar.C,v 1.6 2003/12/18 13:33:03 pcg Exp $ |
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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> |
… | |
… | |
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 */ |
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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 | #ifdef HAVE_SCROLLBARS |
42 | if (map && !scrollbar_visible(R)) { |
40 | if (map && !scrollbar_visible()) { |
43 | R->scrollBar.setIdle (); |
41 | scrollBar.setIdle (); |
44 | if (!R->scrollBar.win) |
42 | if (!scrollBar.win) |
45 | R->resize_scrollbar (); |
43 | resize_scrollbar (); |
46 | if (R->scrollBar.win) { |
44 | if (scrollBar.win) { |
47 | XMapWindow(R->Xdisplay, R->scrollBar.win); |
45 | XMapWindow(Xdisplay, scrollBar.win); |
48 | change = 1; |
46 | change = 1; |
49 | } |
47 | } |
50 | } else if (!map && scrollbar_visible(R)) { |
48 | } else if (!map && scrollbar_visible()) { |
51 | R->scrollBar.state = 0; |
49 | scrollBar.state = 0; |
52 | XUnmapWindow(R->Xdisplay, R->scrollBar.win); |
50 | XUnmapWindow(Xdisplay, scrollBar.win); |
53 | change = 1; |
51 | change = 1; |
54 | } |
52 | } |
55 | #endif |
53 | #endif |
56 | return change; |
54 | return change; |
57 | } |
55 | } |
… | |
… | |
69 | SB_PADDING) |
67 | SB_PADDING) |
70 | #define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow |
68 | #define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow |
71 | #define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \ |
69 | #define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \ |
72 | (2 * sb_shadow) |
70 | (2 * sb_shadow) |
73 | |
71 | |
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72 | #if defined(PLAIN_SCROLLBAR) |
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73 | if (scrollBar.style == R_SB_PLAIN) { |
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74 | scrollBar.beg = R_SCROLLBEG_XTERM; |
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75 | scrollBar.end = R_SCROLLEND_XTERM; |
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76 | scrollBar.update = &rxvt_term::scrollbar_show_plain; |
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77 | } |
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78 | #endif |
74 | #if defined(XTERM_SCROLLBAR) |
79 | #if defined(XTERM_SCROLLBAR) |
75 | if (scrollBar.style == R_SB_XTERM) { |
80 | if (scrollBar.style == R_SB_XTERM) { |
76 | scrollBar.beg = R_SCROLLBEG_XTERM; |
81 | scrollBar.beg = R_SCROLLBEG_XTERM; |
77 | scrollBar.end = R_SCROLLEND_XTERM; |
82 | scrollBar.end = R_SCROLLEND_XTERM; |
78 | scrollBar.update = rxvt_scrollbar_show_xterm; |
83 | scrollBar.update = &rxvt_term::scrollbar_show_xterm; |
79 | } |
84 | } |
80 | #endif |
85 | #endif |
81 | #if defined(NEXT_SCROLLBAR) |
86 | #if defined(NEXT_SCROLLBAR) |
82 | if (scrollBar.style == R_SB_NEXT) { |
87 | if (scrollBar.style == R_SB_NEXT) { |
83 | scrollBar.beg = R_SCROLLBEG_NEXT; |
88 | scrollBar.beg = R_SCROLLBEG_NEXT; |
84 | scrollBar.end = R_SCROLLEND_NEXT; |
89 | scrollBar.end = R_SCROLLEND_NEXT; |
85 | scrollBar.update = rxvt_scrollbar_show_next; |
90 | scrollBar.update = &rxvt_term::scrollbar_show_next; |
86 | } |
91 | } |
87 | #endif |
92 | #endif |
88 | #if defined(RXVT_SCROLLBAR) |
93 | #if defined(RXVT_SCROLLBAR) |
89 | if (scrollBar.style == R_SB_RXVT) { |
94 | if (scrollBar.style == R_SB_RXVT) { |
90 | scrollBar.beg = R_SCROLLBEG_RXVT; |
95 | scrollBar.beg = R_SCROLLBEG_RXVT; |
91 | scrollBar.end = R_SCROLLEND_RXVT; |
96 | scrollBar.end = R_SCROLLEND_RXVT; |
92 | scrollBar.update = rxvt_scrollbar_show_rxvt; |
97 | scrollBar.update = &rxvt_term::scrollbar_show_rxvt; |
93 | } |
98 | } |
94 | #endif |
99 | #endif |
95 | |
100 | |
96 | if (!scrollBar.win) { |
101 | if (!scrollBar.win) { |
97 | /* create the scrollbar window */ |
102 | /* create the scrollbar window */ |
… | |
… | |
111 | (ExposureMask | ButtonPressMask | ButtonReleaseMask |
116 | (ExposureMask | ButtonPressMask | ButtonReleaseMask |
112 | | Button1MotionMask | Button2MotionMask |
117 | | Button1MotionMask | Button2MotionMask |
113 | | Button3MotionMask)); |
118 | | Button3MotionMask)); |
114 | delayed_init = 1; |
119 | delayed_init = 1; |
115 | } |
120 | } |
116 | rxvt_scrollbar_show (this, 1); |
121 | scrollbar_show (1); |
117 | if (delayed_init) |
122 | if (delayed_init) |
118 | XMapWindow (Xdisplay, scrollBar.win); |
123 | XMapWindow (Xdisplay, scrollBar.win); |
119 | #endif |
124 | #endif |
120 | } |
125 | } |
121 | |
126 | |
122 | /* |
127 | /* |
123 | * Update current scrollbar view w.r.t. slider heights, etc. |
128 | * Update current scrollbar view w.r.t. slider heights, etc. |
124 | */ |
129 | */ |
125 | /* EXTPROTO */ |
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126 | int |
130 | int |
127 | rxvt_scrollbar_show(pR_ int update) |
131 | rxvt_term::scrollbar_show (int update) |
128 | { |
132 | { |
129 | int ret = 0; |
133 | int ret = 0; |
130 | #ifdef HAVE_SCROLLBARS |
134 | #ifdef HAVE_SCROLLBARS |
131 | int top, bot, len, adj; |
135 | int top, bot, len, adj; |
132 | |
136 | |
133 | if (!scrollbar_visible(R)) |
137 | if (!scrollbar_visible()) |
134 | return 0; |
138 | return 0; |
135 | |
139 | |
136 | if (update) { |
140 | if (update) { |
137 | top = (R->TermWin.nscrolled - R->TermWin.view_start); |
141 | top = (TermWin.nscrolled - TermWin.view_start); |
138 | bot = top + (R->TermWin.nrow - 1); |
142 | bot = top + (TermWin.nrow - 1); |
139 | len = max((R->TermWin.nscrolled + (R->TermWin.nrow - 1)), 1); |
143 | len = max((TermWin.nscrolled + (TermWin.nrow - 1)), 1); |
140 | adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0; |
144 | adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0; |
141 | |
145 | |
142 | R->scrollBar.top = (R->scrollBar.beg + (top * scrollbar_size()) / len); |
146 | scrollBar.top = (scrollBar.beg + (top * scrollbar_size()) / len); |
143 | R->scrollbar_len = ((bot - top) * scrollbar_size()) / len + |
147 | scrollbar_len = ((bot - top) * scrollbar_size()) / len + |
144 | scrollbar_minheight() + adj; |
148 | scrollbar_minheight() + adj; |
145 | R->scrollBar.bot = (R->scrollBar.top + R->scrollbar_len); |
149 | scrollBar.bot = (scrollBar.top + scrollbar_len); |
146 | /* no change */ |
150 | /* no change */ |
147 | if (R->scrollBar.top == R->last_top |
151 | if (scrollBar.top == last_top |
148 | && R->scrollBar.bot == R->last_bot |
152 | && scrollBar.bot == last_bot |
149 | && (R->scrollBar.state == R->last_state || !scrollbar_isUpDn())) |
153 | && (scrollBar.state == last_state || !scrollbar_isUpDn())) |
150 | return 0; |
154 | return 0; |
151 | } |
155 | } |
152 | |
156 | |
153 | ret = R->scrollBar.update(aR_ update, R->last_top, R->last_bot, |
157 | ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); |
154 | R->scrollbar_len); |
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155 | |
158 | |
156 | R->last_top = R->scrollBar.top; |
159 | last_top = scrollBar.top; |
157 | R->last_bot = R->scrollBar.bot; |
160 | last_bot = scrollBar.bot; |
158 | R->last_state = R->scrollBar.state; |
161 | last_state = scrollBar.state; |
159 | |
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160 | #endif |
162 | #endif |
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163 | |
161 | return ret; |
164 | return ret; |
162 | } |
165 | } |
163 | |
166 | |
164 | /* EXTPROTO */ |
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165 | void |
167 | void |
166 | rxvt_setup_scrollbar(pR_ const char *scrollalign, const char *scrollstyle, const char *thickness) |
168 | rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) |
167 | { |
169 | { |
168 | #ifdef HAVE_SCROLLBARS |
170 | #ifdef HAVE_SCROLLBARS |
169 | int i; |
171 | int i; |
170 | short style, width; |
172 | short style, width; |
171 | |
173 | |
172 | # if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) |
174 | # if defined(RXVT_SCROLLBAR) |
173 | style = R_SB_RXVT; |
175 | style = R_SB_RXVT; |
174 | # else |
176 | # elif defined(XTERM_SCROLLBAR) |
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177 | style = R_SB_XTERM; |
175 | # ifdef NEXT_SCROLLBAR |
178 | # elif defined(NEXT_SCROLLBAR) |
176 | style = R_SB_NEXT; |
179 | style = R_SB_NEXT; |
177 | # elif defined(XTERM_SCROLLBAR) |
180 | # elif defined(PLAIN_SCROLLBAR) |
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181 | style = R_SB_PLAIN; |
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182 | #else |
178 | style = R_SB_XTERM; |
183 | style = R_SB_RXVT; |
179 | # endif |
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180 | # endif |
184 | # endif |
181 | |
185 | |
182 | # if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) |
186 | # if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)) |
183 | if (scrollstyle) { |
187 | if (scrollstyle) { |
184 | # ifdef NEXT_SCROLLBAR |
188 | # ifdef NEXT_SCROLLBAR |
185 | if (STRNCASECMP(scrollstyle, "next", 4) == 0) |
189 | if (STRNCASECMP(scrollstyle, "next", 4) == 0) |
186 | style = R_SB_NEXT; |
190 | style = R_SB_NEXT; |
187 | # endif |
191 | # endif |
188 | # ifdef XTERM_SCROLLBAR |
192 | # ifdef XTERM_SCROLLBAR |
189 | if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) |
193 | if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) |
190 | style = R_SB_XTERM; |
194 | style = R_SB_XTERM; |
191 | # endif |
195 | # endif |
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196 | # ifdef PLAIN_SCROLLBAR |
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197 | if (STRNCASECMP(scrollstyle, "plain", 5) == 0) |
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198 | style = R_SB_PLAIN; |
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199 | # endif |
192 | } |
200 | } |
193 | # endif |
201 | # endif |
194 | if (style == R_SB_NEXT) |
202 | if (style == R_SB_NEXT) |
195 | width = SB_WIDTH_NEXT; |
203 | width = SB_WIDTH_NEXT; |
196 | else if (style == R_SB_XTERM) |
204 | else if (style == R_SB_XTERM) |
197 | width = SB_WIDTH_XTERM; |
205 | width = SB_WIDTH_XTERM; |
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206 | else if (style == R_SB_PLAIN) |
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207 | width = SB_WIDTH_PLAIN; |
198 | else /* if (style == R_SB_RXVT) */ |
208 | else /* if (style == R_SB_RXVT) */ |
199 | width = SB_WIDTH_RXVT; |
209 | width = SB_WIDTH_RXVT; |
200 | |
210 | |
201 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
211 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
202 | if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) |
212 | if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) |
203 | width = min(i, SB_WIDTH_MAXIMUM); |
213 | width = min(i, SB_WIDTH_MAXIMUM); |
204 | |
214 | |
205 | # if defined(RXVT_SCROLLBAR) |
215 | # if defined(RXVT_SCROLLBAR) |
206 | if (!(R->Options & Opt_scrollBar_floating) && style == R_SB_RXVT) |
216 | if (!(Options & Opt_scrollBar_floating) && style == R_SB_RXVT) |
207 | R->sb_shadow = SHADOW; |
217 | sb_shadow = SHADOW; |
208 | # endif |
218 | # endif |
209 | |
219 | |
210 | R->scrollBar.style = style; |
220 | scrollBar.style = style; |
211 | R->scrollBar.width = width; |
221 | scrollBar.width = width; |
212 | |
222 | |
213 | /* R->scrollbar_align = R_SB_ALIGN_CENTRE; */ |
223 | /* scrollbar_align = R_SB_ALIGN_CENTRE; */ |
214 | if (scrollalign) { |
224 | if (scrollalign) { |
215 | if (STRNCASECMP(scrollalign, "top", 3) == 0) |
225 | if (STRNCASECMP(scrollalign, "top", 3) == 0) |
216 | R->scrollbar_align = R_SB_ALIGN_TOP; |
226 | scrollbar_align = R_SB_ALIGN_TOP; |
217 | else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) |
227 | else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) |
218 | R->scrollbar_align = R_SB_ALIGN_BOTTOM; |
228 | scrollbar_align = R_SB_ALIGN_BOTTOM; |
219 | } |
229 | } |
220 | #endif |
230 | #endif |
221 | } |
231 | } |
222 | |
232 | |
223 | /*----------------------- end-of-file (C source) -----------------------*/ |
233 | /*----------------------- end-of-file (C source) -----------------------*/ |
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234 | |