1 | /*--------------------------------*-C-*---------------------------------* |
1 | /*--------------------------------*-C-*---------------------------------* |
2 | * File: scrollbar.c |
2 | * File: scrollbar.C |
3 | *----------------------------------------------------------------------* |
3 | *----------------------------------------------------------------------* |
4 | * $Id: scrollbar.C,v 1.8 2004/01/31 00:20:21 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 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 | #ifdef HAVE_SCROLLBARS |
41 | if (map && !scrollbar_visible()) { |
40 | if (map) |
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41 | { |
42 | scrollBar.setIdle (); |
42 | scrollBar.setIdle (); |
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43 | |
43 | if (!scrollBar.win) |
44 | if (!scrollBar.win) |
44 | resize_scrollbar (); |
45 | resize_scrollbar (); |
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46 | |
45 | if (scrollBar.win) { |
47 | if (scrollBar.win) |
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48 | { |
46 | XMapWindow(Xdisplay, scrollBar.win); |
49 | XMapWindow (dpy, scrollBar.win); |
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50 | change = 1; |
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51 | } |
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52 | } |
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53 | else |
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54 | { |
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55 | scrollBar.state = 0; |
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56 | XUnmapWindow (dpy, scrollBar.win); |
47 | change = 1; |
57 | 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 | } |
58 | } |
54 | #endif |
59 | #endif |
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60 | |
55 | return change; |
61 | return change; |
56 | } |
62 | } |
57 | |
63 | |
58 | void |
64 | void |
59 | rxvt_term::resize_scrollbar () |
65 | rxvt_term::resize_scrollbar () |
60 | { |
66 | { |
61 | #ifdef HAVE_SCROLLBARS |
67 | #ifdef HAVE_SCROLLBARS |
62 | int delayed_init = 0; |
68 | int delayed_init = 0; |
63 | |
69 | |
64 | #define R_SCROLLBEG_XTERM 0 |
70 | #define R_SCROLLBEG_XTERM 0 |
65 | #define R_SCROLLEND_XTERM szHint.height |
71 | #define R_SCROLLEND_XTERM szHint.height |
66 | #define R_SCROLLBEG_NEXT 0 |
72 | #define R_SCROLLBEG_NEXT 0 |
67 | #define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ |
73 | #define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ |
68 | SB_PADDING) |
74 | SB_PADDING) |
69 | #define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow |
75 | #define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow |
70 | #define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \ |
76 | #define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \ |
71 | (2 * sb_shadow) |
77 | (2 * sb_shadow) |
72 | |
78 | |
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79 | #if defined(PLAIN_SCROLLBAR) |
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80 | if (scrollBar.style == R_SB_PLAIN) |
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81 | { |
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82 | scrollBar.beg = R_SCROLLBEG_XTERM; |
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83 | scrollBar.end = R_SCROLLEND_XTERM; |
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84 | scrollBar.update = &rxvt_term::scrollbar_show_plain; |
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85 | } |
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86 | #endif |
73 | #if defined(XTERM_SCROLLBAR) |
87 | #if defined(XTERM_SCROLLBAR) |
74 | if (scrollBar.style == R_SB_XTERM) { |
88 | if (scrollBar.style == R_SB_XTERM) |
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89 | { |
75 | scrollBar.beg = R_SCROLLBEG_XTERM; |
90 | scrollBar.beg = R_SCROLLBEG_XTERM; |
76 | scrollBar.end = R_SCROLLEND_XTERM; |
91 | scrollBar.end = R_SCROLLEND_XTERM; |
77 | //scrollBar.update = rxvt_scrollbar_show_xterm; |
92 | scrollBar.update = &rxvt_term::scrollbar_show_xterm; |
78 | } |
93 | } |
79 | #endif |
94 | #endif |
80 | #if defined(NEXT_SCROLLBAR) |
95 | #if defined(NEXT_SCROLLBAR) |
81 | if (scrollBar.style == R_SB_NEXT) { |
96 | if (scrollBar.style == R_SB_NEXT) |
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97 | { |
82 | scrollBar.beg = R_SCROLLBEG_NEXT; |
98 | scrollBar.beg = R_SCROLLBEG_NEXT; |
83 | scrollBar.end = R_SCROLLEND_NEXT; |
99 | scrollBar.end = R_SCROLLEND_NEXT; |
84 | //scrollBar.update = rxvt_scrollbar_show_next; |
100 | scrollBar.update = &rxvt_term::scrollbar_show_next; |
85 | } |
101 | } |
86 | #endif |
102 | #endif |
87 | #if defined(RXVT_SCROLLBAR) |
103 | #if defined(RXVT_SCROLLBAR) |
88 | if (scrollBar.style == R_SB_RXVT) { |
104 | if (scrollBar.style == R_SB_RXVT) |
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105 | { |
89 | scrollBar.beg = R_SCROLLBEG_RXVT; |
106 | scrollBar.beg = R_SCROLLBEG_RXVT; |
90 | scrollBar.end = R_SCROLLEND_RXVT; |
107 | scrollBar.end = R_SCROLLEND_RXVT; |
91 | //scrollBar.update = rxvt_scrollbar_show_rxvt; |
108 | scrollBar.update = &rxvt_term::scrollbar_show_rxvt; |
92 | } |
109 | } |
93 | #endif |
110 | #endif |
94 | |
111 | |
95 | if (!scrollBar.win) { |
112 | if (!scrollBar.win) |
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113 | { |
96 | /* create the scrollbar window */ |
114 | /* create the scrollbar window */ |
97 | scrollBar.win = XCreateSimpleWindow(Xdisplay, |
115 | scrollBar.win = XCreateSimpleWindow (dpy, |
98 | TermWin.parent[0], |
116 | parent[0], |
99 | window_sb_x, 0, |
117 | window_sb_x, 0, |
100 | scrollbar_TotalWidth(), |
118 | scrollbar_TotalWidth (), |
101 | szHint.height, |
119 | szHint.height, |
102 | 0, |
120 | 0, |
103 | PixColors[Color_fg], |
121 | pix_colors[Color_fg], |
104 | PixColors[Color_bg]); |
122 | 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); |
123 | XDefineCursor (dpy, scrollBar.win, leftptr_cursor); |
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124 | |
109 | XSelectInput(Xdisplay, scrollBar.win, |
125 | XSelectInput (dpy, scrollBar.win, |
110 | (ExposureMask | ButtonPressMask | ButtonReleaseMask |
126 | ExposureMask | ButtonPressMask | ButtonReleaseMask |
111 | | Button1MotionMask | Button2MotionMask |
127 | | Button1MotionMask | Button2MotionMask |
112 | | Button3MotionMask)); |
128 | | Button3MotionMask); |
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129 | scrollbar_ev.start (display, scrollBar.win); |
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130 | |
113 | delayed_init = 1; |
131 | delayed_init = 1; |
114 | } |
132 | } |
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133 | |
115 | scrollbar_show (1); |
134 | scrollbar_show (1); |
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135 | |
116 | if (delayed_init) |
136 | if (delayed_init) |
117 | XMapWindow (Xdisplay, scrollBar.win); |
137 | XMapWindow (dpy, scrollBar.win); |
118 | #endif |
138 | #endif |
119 | } |
139 | } |
120 | |
140 | |
121 | /* |
141 | /* |
122 | * Update current scrollbar view w.r.t. slider heights, etc. |
142 | * Update current scrollbar view w.r.t. slider heights, etc. |
123 | */ |
143 | */ |
124 | int |
144 | int |
125 | rxvt_term::scrollbar_show (int update) |
145 | rxvt_term::scrollbar_show (int update) |
126 | { |
146 | { |
127 | int ret = 0; |
147 | int ret = 0; |
128 | #ifdef HAVE_SCROLLBARS |
148 | #ifdef HAVE_SCROLLBARS |
129 | int top, bot, len, adj; |
149 | int top, bot, len, adj; |
130 | |
150 | |
131 | if (!scrollbar_visible()) |
151 | 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; |
152 | return 0; |
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153 | |
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154 | if (update) |
149 | } |
155 | { |
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156 | top = view_start - top_row; |
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157 | bot = top + (nrow - 1); |
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158 | len = max (nrow - 1 - top_row, 1); |
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159 | adj = (((bot - top) * scrollbar_size ()) % len) > 0 ? 1 : 0; |
150 | |
160 | |
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161 | scrollBar.top = (scrollBar.beg + (top * scrollbar_size ()) / len); |
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162 | scrollbar_len = ((bot - top) * scrollbar_size ()) / len + |
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163 | scrollbar_minheight () + adj; |
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164 | scrollBar.bot = (scrollBar.top + scrollbar_len); |
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165 | /* no change */ |
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166 | if (scrollBar.top == last_top |
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167 | && scrollBar.bot == last_bot |
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168 | && (scrollBar.state == last_state || !scrollbar_isUpDn ())) |
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169 | return 0; |
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170 | } |
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171 | |
151 | ret = scrollbar_update (update, last_top, last_bot, scrollbar_len); |
172 | ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); |
152 | |
173 | |
153 | last_top = scrollBar.top; |
174 | last_top = scrollBar.top; |
154 | last_bot = scrollBar.bot; |
175 | last_bot = scrollBar.bot; |
155 | last_state = scrollBar.state; |
176 | last_state = scrollBar.state; |
156 | #endif |
177 | #endif |
157 | |
178 | |
158 | return ret; |
179 | return ret; |
159 | } |
180 | } |
160 | |
181 | |
161 | void |
182 | void |
162 | rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) |
183 | rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) |
163 | { |
184 | { |
164 | #ifdef HAVE_SCROLLBARS |
185 | #ifdef HAVE_SCROLLBARS |
165 | int i; |
186 | int i; |
166 | short style, width; |
187 | short style, width; |
167 | |
188 | |
168 | # if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) |
189 | # if defined(RXVT_SCROLLBAR) |
169 | style = R_SB_RXVT; |
190 | style = R_SB_RXVT; |
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191 | # elif defined(XTERM_SCROLLBAR) |
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192 | style = R_SB_XTERM; |
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193 | # elif defined(NEXT_SCROLLBAR) |
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194 | style = R_SB_NEXT; |
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195 | # elif defined(PLAIN_SCROLLBAR) |
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196 | style = R_SB_PLAIN; |
170 | # else |
197 | #else |
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198 | style = R_SB_RXVT; |
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199 | # endif |
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200 | |
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201 | # if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)) |
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202 | if (scrollstyle) |
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203 | { |
171 | # ifdef NEXT_SCROLLBAR |
204 | # ifdef NEXT_SCROLLBAR |
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205 | if (strncasecmp (scrollstyle, "next", 4) == 0) |
172 | style = R_SB_NEXT; |
206 | 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 |
207 | # endif |
184 | # ifdef XTERM_SCROLLBAR |
208 | # ifdef XTERM_SCROLLBAR |
185 | if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) |
209 | if (strncasecmp (scrollstyle, "xterm", 5) == 0) |
186 | style = R_SB_XTERM; |
210 | style = R_SB_XTERM; |
187 | # endif |
211 | # endif |
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212 | # ifdef PLAIN_SCROLLBAR |
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213 | if (strncasecmp (scrollstyle, "plain", 5) == 0) |
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214 | style = R_SB_PLAIN; |
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215 | # endif |
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216 | |
188 | } |
217 | } |
189 | # endif |
218 | # endif |
190 | if (style == R_SB_NEXT) |
219 | if (style == R_SB_NEXT) |
191 | width = SB_WIDTH_NEXT; |
220 | width = SB_WIDTH_NEXT; |
192 | else if (style == R_SB_XTERM) |
221 | else if (style == R_SB_XTERM) |
193 | width = SB_WIDTH_XTERM; |
222 | width = SB_WIDTH_XTERM; |
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223 | else if (style == R_SB_PLAIN) |
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224 | width = SB_WIDTH_PLAIN; |
194 | else /* if (style == R_SB_RXVT) */ |
225 | else /* if (style == R_SB_RXVT) */ |
195 | width = SB_WIDTH_RXVT; |
226 | width = SB_WIDTH_RXVT; |
196 | |
227 | |
197 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
228 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
198 | if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) |
229 | if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM) |
199 | width = min(i, SB_WIDTH_MAXIMUM); |
230 | width = min (i, SB_WIDTH_MAXIMUM); |
200 | |
231 | |
201 | # if defined(RXVT_SCROLLBAR) |
232 | # ifdef RXVT_SCROLLBAR |
202 | if (!(Options & Opt_scrollBar_floating) && style == R_SB_RXVT) |
233 | if (! OPTION (Opt_scrollBar_floating) && style == R_SB_RXVT) |
203 | sb_shadow = SHADOW; |
234 | sb_shadow = SHADOW_WIDTH; |
204 | # endif |
235 | # endif |
205 | |
236 | |
206 | scrollBar.style = style; |
237 | scrollBar.style = style; |
207 | scrollBar.width = width; |
238 | scrollBar.width = width; |
208 | |
239 | |
209 | /* scrollbar_align = R_SB_ALIGN_CENTRE; */ |
240 | /* scrollbar_align = R_SB_ALIGN_CENTRE; */ |
210 | if (scrollalign) { |
241 | if (scrollalign) |
211 | if (STRNCASECMP(scrollalign, "top", 3) == 0) |
242 | { |
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243 | if (strncasecmp (scrollalign, "top", 3) == 0) |
212 | scrollbar_align = R_SB_ALIGN_TOP; |
244 | scrollbar_align = R_SB_ALIGN_TOP; |
213 | else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) |
245 | else if (strncasecmp (scrollalign, "bottom", 6) == 0) |
214 | scrollbar_align = R_SB_ALIGN_BOTTOM; |
246 | scrollbar_align = R_SB_ALIGN_BOTTOM; |
215 | } |
247 | } |
216 | #endif |
248 | #endif |
217 | } |
249 | } |
218 | |
250 | |
219 | /*----------------------- end-of-file (C source) -----------------------*/ |
251 | /*----------------------- end-of-file (C source) -----------------------*/ |
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252 | |