1 | /*--------------------------------*-C-*---------------------------------* |
1 | /*----------------------------------------------------------------------* |
2 | * File: scrollbar.c |
2 | * File: scrollbar.C |
3 | *----------------------------------------------------------------------* |
3 | *----------------------------------------------------------------------* |
4 | * $Id: scrollbar.C,v 1.9 2004/01/31 02:15:02 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> |
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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 */ |
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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 | int |
34 | int |
36 | rxvt_term::scrollbar_mapping (int map) |
35 | rxvt_term::scrollbar_mapping (int map) |
37 | { |
36 | { |
38 | int change = 0; |
37 | int change = 0; |
39 | |
38 | |
40 | #ifdef HAVE_SCROLLBARS |
39 | if (map) |
41 | if (map && !scrollbar_visible()) { |
40 | { |
42 | scrollBar.setIdle (); |
41 | scrollBar.state = STATE_IDLE; |
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42 | |
43 | if (!scrollBar.win) |
43 | if (!scrollBar.win) |
44 | resize_scrollbar (); |
44 | resize_scrollbar (); |
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45 | |
45 | if (scrollBar.win) { |
46 | if (scrollBar.win) |
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47 | { |
46 | 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); |
47 | change = 1; |
56 | change = 1; |
48 | } |
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49 | } else if (!map && scrollbar_visible()) { |
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50 | scrollBar.state = 0; |
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51 | XUnmapWindow(Xdisplay, scrollBar.win); |
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52 | change = 1; |
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53 | } |
57 | } |
54 | #endif |
58 | |
55 | return change; |
59 | return change; |
56 | } |
60 | } |
57 | |
61 | |
58 | void |
62 | void |
59 | rxvt_term::resize_scrollbar () |
63 | rxvt_term::resize_scrollbar () |
60 | { |
64 | { |
61 | #ifdef HAVE_SCROLLBARS |
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62 | int delayed_init = 0; |
65 | int delayed_init = 0; |
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66 | int window_sb_x = 0; |
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67 | |
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68 | if (option (Opt_scrollBar_right)) |
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69 | window_sb_x = szHint.width - scrollBar.total_width (); |
63 | |
70 | |
64 | #define R_SCROLLBEG_XTERM 0 |
71 | #define R_SCROLLBEG_XTERM 0 |
65 | #define R_SCROLLEND_XTERM szHint.height |
72 | #define R_SCROLLEND_XTERM szHint.height |
66 | #define R_SCROLLBEG_NEXT 0 |
73 | #define R_SCROLLBEG_NEXT 0 |
67 | #define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ |
74 | #define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ |
68 | SB_PADDING) |
75 | SB_PADDING) |
69 | #define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow |
76 | #define R_SCROLLBEG_RXVT (scrollBar.width + 1) + scrollBar.shadow |
70 | #define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \ |
77 | #define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \ |
71 | (2 * sb_shadow) |
78 | (2 * scrollBar.shadow) |
72 | |
79 | |
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80 | #if defined(PLAIN_SCROLLBAR) |
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81 | if (scrollBar.style == R_SB_PLAIN) |
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82 | { |
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83 | scrollBar.beg = R_SCROLLBEG_XTERM; |
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84 | scrollBar.end = R_SCROLLEND_XTERM; |
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85 | scrollBar.update = &rxvt_term::scrollbar_show_plain; |
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86 | } |
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87 | #endif |
73 | #if defined(XTERM_SCROLLBAR) |
88 | #if defined(XTERM_SCROLLBAR) |
74 | if (scrollBar.style == R_SB_XTERM) { |
89 | if (scrollBar.style == R_SB_XTERM) |
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90 | { |
75 | scrollBar.beg = R_SCROLLBEG_XTERM; |
91 | scrollBar.beg = R_SCROLLBEG_XTERM; |
76 | scrollBar.end = R_SCROLLEND_XTERM; |
92 | scrollBar.end = R_SCROLLEND_XTERM; |
77 | scrollBar.update = &rxvt_term::scrollbar_show_xterm; |
93 | scrollBar.update = &rxvt_term::scrollbar_show_xterm; |
78 | } |
94 | } |
79 | #endif |
95 | #endif |
80 | #if defined(NEXT_SCROLLBAR) |
96 | #if defined(NEXT_SCROLLBAR) |
81 | if (scrollBar.style == R_SB_NEXT) { |
97 | if (scrollBar.style == R_SB_NEXT) |
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98 | { |
82 | scrollBar.beg = R_SCROLLBEG_NEXT; |
99 | scrollBar.beg = R_SCROLLBEG_NEXT; |
83 | scrollBar.end = R_SCROLLEND_NEXT; |
100 | scrollBar.end = R_SCROLLEND_NEXT; |
84 | scrollBar.update = &rxvt_term::scrollbar_show_next; |
101 | scrollBar.update = &rxvt_term::scrollbar_show_next; |
85 | } |
102 | } |
86 | #endif |
103 | #endif |
87 | #if defined(RXVT_SCROLLBAR) |
104 | #if defined(RXVT_SCROLLBAR) |
88 | if (scrollBar.style == R_SB_RXVT) { |
105 | if (scrollBar.style == R_SB_RXVT) |
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106 | { |
89 | scrollBar.beg = R_SCROLLBEG_RXVT; |
107 | scrollBar.beg = R_SCROLLBEG_RXVT; |
90 | scrollBar.end = R_SCROLLEND_RXVT; |
108 | scrollBar.end = R_SCROLLEND_RXVT; |
91 | scrollBar.update = &rxvt_term::scrollbar_show_rxvt; |
109 | scrollBar.update = &rxvt_term::scrollbar_show_rxvt; |
92 | } |
110 | } |
93 | #endif |
111 | #endif |
94 | |
112 | |
95 | if (!scrollBar.win) { |
113 | if (!scrollBar.win) |
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114 | { |
96 | /* create the scrollbar window */ |
115 | /* create the scrollbar window */ |
97 | scrollBar.win = XCreateSimpleWindow(Xdisplay, |
116 | scrollBar.win = XCreateSimpleWindow (dpy, |
98 | TermWin.parent[0], |
117 | parent[0], |
99 | window_sb_x, 0, |
118 | window_sb_x, 0, |
100 | scrollbar_TotalWidth(), |
119 | scrollBar.total_width (), |
101 | szHint.height, |
120 | szHint.height, |
102 | 0, |
121 | 0, |
103 | PixColors[Color_fg], |
122 | pix_colors[Color_fg], |
104 | PixColors[Color_bg]); |
123 | pix_colors[Color_border]); |
105 | #ifdef DEBUG_X |
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106 | XStoreName(Xdisplay, scrollBar.win, "scrollbar"); |
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107 | #endif |
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108 | XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor); |
124 | XDefineCursor (dpy, scrollBar.win, scrollBar.leftptr_cursor); |
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125 | |
109 | XSelectInput(Xdisplay, scrollBar.win, |
126 | XSelectInput (dpy, scrollBar.win, |
110 | (ExposureMask | ButtonPressMask | ButtonReleaseMask |
127 | ExposureMask | ButtonPressMask | ButtonReleaseMask |
111 | | Button1MotionMask | Button2MotionMask |
128 | | Button1MotionMask | Button2MotionMask |
112 | | Button3MotionMask)); |
129 | | Button3MotionMask); |
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130 | scrollbar_ev.start (display, scrollBar.win); |
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131 | |
113 | delayed_init = 1; |
132 | delayed_init = 1; |
114 | } |
133 | } |
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134 | else |
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135 | XMoveResizeWindow (dpy, scrollBar.win, |
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136 | window_sb_x, 0, |
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137 | scrollBar.total_width (), szHint.height); |
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138 | |
115 | scrollbar_show (1); |
139 | scrollbar_show (1); |
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140 | |
116 | if (delayed_init) |
141 | if (delayed_init) |
117 | XMapWindow (Xdisplay, scrollBar.win); |
142 | XMapWindow (dpy, scrollBar.win); |
118 | #endif |
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119 | } |
143 | } |
120 | |
144 | |
121 | /* |
145 | /* |
122 | * Update current scrollbar view w.r.t. slider heights, etc. |
146 | * Update current scrollbar view w.r.t. slider heights, etc. |
123 | */ |
147 | */ |
124 | int |
148 | int |
125 | rxvt_term::scrollbar_show (int update) |
149 | rxvt_term::scrollbar_show (int update) |
126 | { |
150 | { |
127 | int ret = 0; |
151 | int ret = 0; |
128 | #ifdef HAVE_SCROLLBARS |
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129 | int top, bot, len, adj; |
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130 | |
152 | |
131 | if (!scrollbar_visible()) |
153 | if (!scrollBar.state) |
132 | return 0; |
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133 | |
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134 | if (update) { |
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135 | top = (TermWin.nscrolled - TermWin.view_start); |
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136 | bot = top + (TermWin.nrow - 1); |
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137 | len = max((TermWin.nscrolled + (TermWin.nrow - 1)), 1); |
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138 | adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0; |
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139 | |
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140 | scrollBar.top = (scrollBar.beg + (top * scrollbar_size()) / len); |
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141 | scrollbar_len = ((bot - top) * scrollbar_size()) / len + |
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142 | scrollbar_minheight() + adj; |
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143 | scrollBar.bot = (scrollBar.top + scrollbar_len); |
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144 | /* no change */ |
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145 | if (scrollBar.top == last_top |
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146 | && scrollBar.bot == last_bot |
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147 | && (scrollBar.state == last_state || !scrollbar_isUpDn())) |
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148 | return 0; |
154 | return 0; |
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155 | |
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156 | if (update) |
149 | } |
157 | { |
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158 | int top = view_start - top_row; |
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159 | int bot = top + (nrow - 1); |
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160 | int len = max (nrow - 1 - top_row, 1); |
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161 | int adj = (((bot - top) * scrollBar.size ()) % len) > 0 ? 1 : 0; |
150 | |
162 | |
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163 | scrollBar.top = (scrollBar.beg + (top * scrollBar.size ()) / len); |
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164 | scrollBar.len = ((bot - top) * scrollBar.size ()) / len + |
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165 | scrollBar.min_height () + adj; |
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166 | scrollBar.bot = (scrollBar.top + scrollBar.len); |
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167 | /* no change */ |
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168 | if (scrollBar.top == scrollBar.last_top |
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169 | && scrollBar.bot == scrollBar.last_bot |
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170 | && (scrollBar.state == scrollBar.last_state |
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171 | || !(scrollBar.state == STATE_UP || scrollBar.state == STATE_DOWN))) |
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172 | return 0; |
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173 | } |
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174 | |
151 | ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); |
175 | ret = (this->*scrollBar.update) (update, scrollBar.last_top, scrollBar.last_bot, scrollBar.len); |
152 | |
176 | |
153 | last_top = scrollBar.top; |
177 | scrollBar.last_top = scrollBar.top; |
154 | last_bot = scrollBar.bot; |
178 | scrollBar.last_bot = scrollBar.bot; |
155 | last_state = scrollBar.state; |
179 | scrollBar.last_state = scrollBar.state; |
156 | #endif |
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157 | |
180 | |
158 | return ret; |
181 | return ret; |
159 | } |
182 | } |
160 | |
183 | |
161 | void |
184 | void |
162 | rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) |
185 | scrollBar_t::setup (rxvt_term *term) |
163 | { |
186 | { |
164 | #ifdef HAVE_SCROLLBARS |
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165 | int i; |
187 | int i; |
166 | short style, width; |
188 | short style, width; |
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189 | const char *scrollalign, *scrollstyle, *thickness; |
167 | |
190 | |
168 | # if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) |
191 | this->term = term; |
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192 | scrollalign = term->rs[Rs_scrollBar_align]; |
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193 | scrollstyle = term->rs[Rs_scrollstyle]; |
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194 | thickness = term->rs[Rs_scrollBar_thickness]; |
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195 | |
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196 | # if defined(RXVT_SCROLLBAR) |
169 | style = R_SB_RXVT; |
197 | style = R_SB_RXVT; |
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198 | # elif defined(XTERM_SCROLLBAR) |
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199 | style = R_SB_XTERM; |
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200 | # elif defined(NEXT_SCROLLBAR) |
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201 | style = R_SB_NEXT; |
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202 | # elif defined(PLAIN_SCROLLBAR) |
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203 | style = R_SB_PLAIN; |
170 | # else |
204 | #else |
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205 | style = R_SB_RXVT; |
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206 | # endif |
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207 | |
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208 | # if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)) |
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209 | if (scrollstyle) |
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210 | { |
171 | # ifdef NEXT_SCROLLBAR |
211 | # ifdef NEXT_SCROLLBAR |
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212 | if (strncasecmp (scrollstyle, "next", 4) == 0) |
172 | style = R_SB_NEXT; |
213 | style = R_SB_NEXT; |
173 | # elif defined(XTERM_SCROLLBAR) |
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174 | style = R_SB_XTERM; |
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175 | # endif |
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176 | # endif |
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177 | |
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178 | # if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) |
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179 | if (scrollstyle) { |
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180 | # ifdef NEXT_SCROLLBAR |
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181 | if (STRNCASECMP(scrollstyle, "next", 4) == 0) |
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182 | style = R_SB_NEXT; |
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183 | # endif |
214 | # endif |
184 | # ifdef XTERM_SCROLLBAR |
215 | # ifdef XTERM_SCROLLBAR |
185 | if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) |
216 | if (strncasecmp (scrollstyle, "xterm", 5) == 0) |
186 | style = R_SB_XTERM; |
217 | style = R_SB_XTERM; |
187 | # endif |
218 | # endif |
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219 | # ifdef PLAIN_SCROLLBAR |
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220 | if (strncasecmp (scrollstyle, "plain", 5) == 0) |
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221 | style = R_SB_PLAIN; |
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222 | # endif |
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223 | |
188 | } |
224 | } |
189 | # endif |
225 | # endif |
190 | if (style == R_SB_NEXT) |
226 | if (style == R_SB_NEXT) |
191 | width = SB_WIDTH_NEXT; |
227 | width = SB_WIDTH_NEXT; |
192 | else if (style == R_SB_XTERM) |
228 | else if (style == R_SB_XTERM) |
193 | width = SB_WIDTH_XTERM; |
229 | width = SB_WIDTH_XTERM; |
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230 | else if (style == R_SB_PLAIN) |
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231 | width = SB_WIDTH_PLAIN; |
194 | else /* if (style == R_SB_RXVT) */ |
232 | else /* if (style == R_SB_RXVT) */ |
195 | width = SB_WIDTH_RXVT; |
233 | width = SB_WIDTH_RXVT; |
196 | |
234 | |
197 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
235 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
198 | if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) |
236 | if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM) |
199 | width = min(i, SB_WIDTH_MAXIMUM); |
237 | width = min (i, SB_WIDTH_MAXIMUM); |
200 | |
238 | |
201 | # if defined(RXVT_SCROLLBAR) |
239 | # ifdef RXVT_SCROLLBAR |
202 | if (!(Options & Opt_scrollBar_floating) && style == R_SB_RXVT) |
240 | if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT) |
203 | sb_shadow = SHADOW; |
241 | shadow = SHADOW_WIDTH; |
204 | # endif |
242 | # endif |
205 | |
243 | |
206 | scrollBar.style = style; |
244 | this->style = style; |
207 | scrollBar.width = width; |
245 | this->width = width; |
208 | |
246 | |
209 | /* scrollbar_align = R_SB_ALIGN_CENTRE; */ |
247 | /* align = R_SB_ALIGN_CENTRE; */ |
210 | if (scrollalign) { |
248 | if (scrollalign) |
211 | if (STRNCASECMP(scrollalign, "top", 3) == 0) |
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212 | scrollbar_align = R_SB_ALIGN_TOP; |
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213 | else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) |
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214 | scrollbar_align = R_SB_ALIGN_BOTTOM; |
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215 | } |
249 | { |
216 | #endif |
250 | if (strncasecmp (scrollalign, "top", 3) == 0) |
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251 | align = R_SB_ALIGN_TOP; |
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252 | else if (strncasecmp (scrollalign, "bottom", 6) == 0) |
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253 | align = R_SB_ALIGN_BOTTOM; |
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254 | } |
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255 | last_bot = last_state = -1; |
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256 | /* cursor scrollBar: Black-on-White */ |
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257 | leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr); |
217 | } |
258 | } |
218 | |
259 | |
219 | /*----------------------- end-of-file (C source) -----------------------*/ |
260 | /*----------------------- end-of-file (C source) -----------------------*/ |
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261 | |