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> |
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|
9 | * Copyright (c) 2004-2006 Marc Lehmann <pcg@goof.com> |
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 */ |
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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 | */ |
34 | int |
34 | int |
35 | rxvt_term::scrollbar_mapping (int map) |
35 | rxvt_term::scrollbar_mapping (int map) |
36 | { |
36 | { |
37 | int change = 0; |
37 | int change = 0; |
38 | |
38 | |
39 | #ifdef HAVE_SCROLLBARS |
39 | if (map) |
40 | if (map && !scrollbar_visible()) { |
40 | { |
41 | scrollBar.setIdle (); |
41 | scrollBar.state = STATE_IDLE; |
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42 | |
42 | if (!scrollBar.win) |
43 | if (!scrollBar.win) |
43 | resize_scrollbar (); |
44 | resize_scrollbar (); |
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45 | |
44 | if (scrollBar.win) { |
46 | if (scrollBar.win) |
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|
47 | { |
45 | XMapWindow(Xdisplay, scrollBar.win); |
48 | XMapWindow (dpy, scrollBar.win); |
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49 | change = 1; |
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50 | } |
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51 | } |
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52 | else |
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53 | { |
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54 | scrollBar.state = 0; |
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55 | XUnmapWindow (dpy, scrollBar.win); |
46 | change = 1; |
56 | change = 1; |
47 | } |
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|
48 | } else if (!map && scrollbar_visible()) { |
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49 | scrollBar.state = 0; |
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50 | XUnmapWindow(Xdisplay, scrollBar.win); |
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51 | change = 1; |
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|
52 | } |
57 | } |
53 | #endif |
58 | |
54 | return change; |
59 | return change; |
55 | } |
60 | } |
56 | |
61 | |
57 | void |
62 | void |
58 | rxvt_term::resize_scrollbar () |
63 | rxvt_term::resize_scrollbar () |
59 | { |
64 | { |
60 | #ifdef HAVE_SCROLLBARS |
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|
61 | int delayed_init = 0; |
65 | int delayed_init = 0; |
62 | |
66 | |
63 | #define R_SCROLLBEG_XTERM 0 |
67 | #define R_SCROLLBEG_XTERM 0 |
64 | #define R_SCROLLEND_XTERM szHint.height |
68 | #define R_SCROLLEND_XTERM szHint.height |
65 | #define R_SCROLLBEG_NEXT 0 |
69 | #define R_SCROLLBEG_NEXT 0 |
66 | #define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ |
70 | #define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ |
67 | SB_PADDING) |
71 | SB_PADDING) |
68 | #define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow |
72 | #define R_SCROLLBEG_RXVT (scrollBar.width + 1) + scrollBar.shadow |
69 | #define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \ |
73 | #define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \ |
70 | (2 * sb_shadow) |
74 | (2 * scrollBar.shadow) |
71 | |
75 | |
72 | #if defined(PLAIN_SCROLLBAR) |
76 | #if defined(PLAIN_SCROLLBAR) |
73 | if (scrollBar.style == R_SB_PLAIN) { |
77 | if (scrollBar.style == R_SB_PLAIN) |
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78 | { |
74 | scrollBar.beg = R_SCROLLBEG_XTERM; |
79 | scrollBar.beg = R_SCROLLBEG_XTERM; |
75 | scrollBar.end = R_SCROLLEND_XTERM; |
80 | scrollBar.end = R_SCROLLEND_XTERM; |
76 | scrollBar.update = &rxvt_term::scrollbar_show_plain; |
81 | scrollBar.update = &rxvt_term::scrollbar_show_plain; |
77 | } |
82 | } |
78 | #endif |
83 | #endif |
79 | #if defined(XTERM_SCROLLBAR) |
84 | #if defined(XTERM_SCROLLBAR) |
80 | if (scrollBar.style == R_SB_XTERM) { |
85 | if (scrollBar.style == R_SB_XTERM) |
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|
86 | { |
81 | scrollBar.beg = R_SCROLLBEG_XTERM; |
87 | scrollBar.beg = R_SCROLLBEG_XTERM; |
82 | scrollBar.end = R_SCROLLEND_XTERM; |
88 | scrollBar.end = R_SCROLLEND_XTERM; |
83 | scrollBar.update = &rxvt_term::scrollbar_show_xterm; |
89 | scrollBar.update = &rxvt_term::scrollbar_show_xterm; |
84 | } |
90 | } |
85 | #endif |
91 | #endif |
86 | #if defined(NEXT_SCROLLBAR) |
92 | #if defined(NEXT_SCROLLBAR) |
87 | if (scrollBar.style == R_SB_NEXT) { |
93 | if (scrollBar.style == R_SB_NEXT) |
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|
94 | { |
88 | scrollBar.beg = R_SCROLLBEG_NEXT; |
95 | scrollBar.beg = R_SCROLLBEG_NEXT; |
89 | scrollBar.end = R_SCROLLEND_NEXT; |
96 | scrollBar.end = R_SCROLLEND_NEXT; |
90 | scrollBar.update = &rxvt_term::scrollbar_show_next; |
97 | scrollBar.update = &rxvt_term::scrollbar_show_next; |
91 | } |
98 | } |
92 | #endif |
99 | #endif |
93 | #if defined(RXVT_SCROLLBAR) |
100 | #if defined(RXVT_SCROLLBAR) |
94 | if (scrollBar.style == R_SB_RXVT) { |
101 | if (scrollBar.style == R_SB_RXVT) |
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|
102 | { |
95 | scrollBar.beg = R_SCROLLBEG_RXVT; |
103 | scrollBar.beg = R_SCROLLBEG_RXVT; |
96 | scrollBar.end = R_SCROLLEND_RXVT; |
104 | scrollBar.end = R_SCROLLEND_RXVT; |
97 | scrollBar.update = &rxvt_term::scrollbar_show_rxvt; |
105 | scrollBar.update = &rxvt_term::scrollbar_show_rxvt; |
98 | } |
106 | } |
99 | #endif |
107 | #endif |
100 | |
108 | |
101 | if (!scrollBar.win) { |
109 | if (!scrollBar.win) |
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|
110 | { |
102 | /* create the scrollbar window */ |
111 | /* create the scrollbar window */ |
103 | scrollBar.win = XCreateSimpleWindow(Xdisplay, |
112 | scrollBar.win = XCreateSimpleWindow (dpy, |
104 | TermWin.parent[0], |
113 | parent[0], |
105 | window_sb_x, 0, |
114 | window_sb_x, 0, |
106 | scrollbar_TotalWidth(), |
115 | scrollBar.total_width (), |
107 | szHint.height, |
116 | szHint.height, |
108 | 0, |
117 | 0, |
109 | PixColors[Color_fg], |
118 | pix_colors[Color_fg], |
110 | PixColors[Color_bg]); |
119 | pix_colors[Color_border]); |
111 | #ifdef DEBUG_X |
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112 | XStoreName(Xdisplay, scrollBar.win, "scrollbar"); |
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113 | #endif |
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114 | XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor); |
120 | XDefineCursor (dpy, scrollBar.win, scrollBar.leftptr_cursor); |
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121 | |
115 | XSelectInput(Xdisplay, scrollBar.win, |
122 | XSelectInput (dpy, scrollBar.win, |
116 | (ExposureMask | ButtonPressMask | ButtonReleaseMask |
123 | ExposureMask | ButtonPressMask | ButtonReleaseMask |
117 | | Button1MotionMask | Button2MotionMask |
124 | | Button1MotionMask | Button2MotionMask |
118 | | Button3MotionMask)); |
125 | | Button3MotionMask); |
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126 | scrollbar_ev.start (display, scrollBar.win); |
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127 | |
119 | delayed_init = 1; |
128 | delayed_init = 1; |
120 | } |
129 | } |
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130 | |
121 | scrollbar_show (1); |
131 | scrollbar_show (1); |
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132 | |
122 | if (delayed_init) |
133 | if (delayed_init) |
123 | XMapWindow (Xdisplay, scrollBar.win); |
134 | XMapWindow (dpy, scrollBar.win); |
124 | #endif |
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125 | } |
135 | } |
126 | |
136 | |
127 | /* |
137 | /* |
128 | * Update current scrollbar view w.r.t. slider heights, etc. |
138 | * Update current scrollbar view w.r.t. slider heights, etc. |
129 | */ |
139 | */ |
130 | int |
140 | int |
131 | rxvt_term::scrollbar_show (int update) |
141 | rxvt_term::scrollbar_show (int update) |
132 | { |
142 | { |
133 | int ret = 0; |
143 | int ret = 0; |
134 | #ifdef HAVE_SCROLLBARS |
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135 | int top, bot, len, adj; |
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136 | |
144 | |
137 | if (!scrollbar_visible()) |
145 | if (!scrollBar.state) |
138 | return 0; |
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139 | |
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140 | if (update) { |
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141 | top = (TermWin.nscrolled - TermWin.view_start); |
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142 | bot = top + (TermWin.nrow - 1); |
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143 | len = max((TermWin.nscrolled + (TermWin.nrow - 1)), 1); |
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144 | adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0; |
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145 | |
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146 | scrollBar.top = (scrollBar.beg + (top * scrollbar_size()) / len); |
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147 | scrollbar_len = ((bot - top) * scrollbar_size()) / len + |
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148 | scrollbar_minheight() + adj; |
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149 | scrollBar.bot = (scrollBar.top + scrollbar_len); |
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150 | /* no change */ |
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151 | if (scrollBar.top == last_top |
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152 | && scrollBar.bot == last_bot |
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153 | && (scrollBar.state == last_state || !scrollbar_isUpDn())) |
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154 | return 0; |
146 | return 0; |
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147 | |
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148 | if (update) |
155 | } |
149 | { |
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150 | int top = view_start - top_row; |
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151 | int bot = top + (nrow - 1); |
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152 | int len = max (nrow - 1 - top_row, 1); |
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153 | int adj = (((bot - top) * scrollBar.size ()) % len) > 0 ? 1 : 0; |
156 | |
154 | |
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155 | scrollBar.top = (scrollBar.beg + (top * scrollBar.size ()) / len); |
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156 | scrollBar.len = ((bot - top) * scrollBar.size ()) / len + |
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157 | scrollBar.min_height () + adj; |
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158 | scrollBar.bot = (scrollBar.top + scrollBar.len); |
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159 | /* no change */ |
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160 | if (scrollBar.top == scrollBar.last_top |
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161 | && scrollBar.bot == scrollBar.last_bot |
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162 | && (scrollBar.state == scrollBar.last_state |
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163 | || !(scrollBar.state == STATE_UP || scrollBar.state == STATE_DOWN))) |
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164 | return 0; |
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165 | } |
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166 | |
157 | ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); |
167 | ret = (this->*scrollBar.update) (update, scrollBar.last_top, scrollBar.last_bot, scrollBar.len); |
158 | |
168 | |
159 | last_top = scrollBar.top; |
169 | scrollBar.last_top = scrollBar.top; |
160 | last_bot = scrollBar.bot; |
170 | scrollBar.last_bot = scrollBar.bot; |
161 | last_state = scrollBar.state; |
171 | scrollBar.last_state = scrollBar.state; |
162 | #endif |
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163 | |
172 | |
164 | return ret; |
173 | return ret; |
165 | } |
174 | } |
166 | |
175 | |
167 | void |
176 | void |
168 | rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) |
177 | scrollBar_t::setup (rxvt_term *term) |
169 | { |
178 | { |
170 | #ifdef HAVE_SCROLLBARS |
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171 | int i; |
179 | int i; |
172 | short style, width; |
180 | short style, width; |
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181 | const char *scrollalign, *scrollstyle, *thickness; |
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182 | |
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183 | this->term = term; |
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184 | scrollalign = term->rs[Rs_scrollBar_align]; |
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185 | scrollstyle = term->rs[Rs_scrollstyle]; |
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186 | thickness = term->rs[Rs_scrollBar_thickness]; |
173 | |
187 | |
174 | # if defined(RXVT_SCROLLBAR) |
188 | # if defined(RXVT_SCROLLBAR) |
175 | style = R_SB_RXVT; |
189 | style = R_SB_RXVT; |
176 | # elif defined(XTERM_SCROLLBAR) |
190 | # elif defined(XTERM_SCROLLBAR) |
177 | style = R_SB_XTERM; |
191 | style = R_SB_XTERM; |
178 | # elif defined(NEXT_SCROLLBAR) |
192 | # elif defined(NEXT_SCROLLBAR) |
179 | style = R_SB_NEXT; |
193 | style = R_SB_NEXT; |
180 | # elif defined(PLAIN_SCROLLBAR) |
194 | # elif defined(PLAIN_SCROLLBAR) |
181 | style = R_SB_PLAIN; |
195 | style = R_SB_PLAIN; |
182 | #else |
196 | #else |
183 | style = R_SB_RXVT; |
197 | style = R_SB_RXVT; |
184 | # endif |
198 | # endif |
185 | |
199 | |
186 | # if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)) |
200 | # if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)) |
187 | if (scrollstyle) { |
201 | if (scrollstyle) |
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202 | { |
188 | # ifdef NEXT_SCROLLBAR |
203 | # ifdef NEXT_SCROLLBAR |
189 | if (STRNCASECMP(scrollstyle, "next", 4) == 0) |
204 | if (strncasecmp (scrollstyle, "next", 4) == 0) |
190 | style = R_SB_NEXT; |
205 | style = R_SB_NEXT; |
191 | # endif |
206 | # endif |
192 | # ifdef XTERM_SCROLLBAR |
207 | # ifdef XTERM_SCROLLBAR |
193 | if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) |
208 | if (strncasecmp (scrollstyle, "xterm", 5) == 0) |
194 | style = R_SB_XTERM; |
209 | style = R_SB_XTERM; |
195 | # endif |
210 | # endif |
196 | # ifdef PLAIN_SCROLLBAR |
211 | # ifdef PLAIN_SCROLLBAR |
197 | if (STRNCASECMP(scrollstyle, "plain", 5) == 0) |
212 | if (strncasecmp (scrollstyle, "plain", 5) == 0) |
198 | style = R_SB_PLAIN; |
213 | style = R_SB_PLAIN; |
199 | # endif |
214 | # endif |
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215 | |
200 | } |
216 | } |
201 | # endif |
217 | # endif |
202 | if (style == R_SB_NEXT) |
218 | if (style == R_SB_NEXT) |
203 | width = SB_WIDTH_NEXT; |
219 | width = SB_WIDTH_NEXT; |
204 | else if (style == R_SB_XTERM) |
220 | else if (style == R_SB_XTERM) |
205 | width = SB_WIDTH_XTERM; |
221 | width = SB_WIDTH_XTERM; |
206 | else if (style == R_SB_PLAIN) |
222 | else if (style == R_SB_PLAIN) |
207 | width = SB_WIDTH_PLAIN; |
223 | width = SB_WIDTH_PLAIN; |
208 | else /* if (style == R_SB_RXVT) */ |
224 | else /* if (style == R_SB_RXVT) */ |
209 | width = SB_WIDTH_RXVT; |
225 | width = SB_WIDTH_RXVT; |
210 | |
226 | |
211 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
227 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
212 | if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) |
228 | if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM) |
213 | width = min(i, SB_WIDTH_MAXIMUM); |
229 | width = min (i, SB_WIDTH_MAXIMUM); |
214 | |
230 | |
215 | # if defined(RXVT_SCROLLBAR) |
231 | # ifdef RXVT_SCROLLBAR |
216 | if (!(Options & Opt_scrollBar_floating) && style == R_SB_RXVT) |
232 | if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT) |
217 | sb_shadow = SHADOW; |
233 | shadow = SHADOW_WIDTH; |
218 | # endif |
234 | # endif |
219 | |
235 | |
220 | scrollBar.style = style; |
236 | this->style = style; |
221 | scrollBar.width = width; |
237 | this->width = width; |
222 | |
238 | |
223 | /* scrollbar_align = R_SB_ALIGN_CENTRE; */ |
239 | /* align = R_SB_ALIGN_CENTRE; */ |
224 | if (scrollalign) { |
240 | if (scrollalign) |
225 | if (STRNCASECMP(scrollalign, "top", 3) == 0) |
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226 | scrollbar_align = R_SB_ALIGN_TOP; |
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227 | else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) |
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228 | scrollbar_align = R_SB_ALIGN_BOTTOM; |
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229 | } |
241 | { |
230 | #endif |
242 | if (strncasecmp (scrollalign, "top", 3) == 0) |
|
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243 | align = R_SB_ALIGN_TOP; |
|
|
244 | else if (strncasecmp (scrollalign, "bottom", 6) == 0) |
|
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245 | align = R_SB_ALIGN_BOTTOM; |
|
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246 | } |
|
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247 | last_bot = last_state = -1; |
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248 | /* cursor scrollBar: Black-on-White */ |
|
|
249 | leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr); |
231 | } |
250 | } |
232 | |
251 | |
233 | /*----------------------- end-of-file (C source) -----------------------*/ |
252 | /*----------------------- end-of-file (C source) -----------------------*/ |
234 | |
253 | |