1 | /*--------------------------------*-C-*---------------------------------* |
1 | /*--------------------------------*-C-*---------------------------------* |
2 | * File: scrollbar.c |
2 | * File: scrollbar.C |
3 | *----------------------------------------------------------------------* |
3 | *----------------------------------------------------------------------* |
4 | * $Id: scrollbar.C,v 1.4 2003/11/25 17:11:33 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 | /* 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 | #ifdef HAVE_SCROLLBARS |
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41 | |
38 | |
42 | if (map && !scrollbar_visible(R)) { |
39 | #ifdef HAVE_SCROLLBARS |
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40 | if (map) |
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41 | { |
43 | scrollbar_setIdle(); |
42 | scrollBar.setIdle (); |
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43 | |
44 | if (!R->scrollBar.win) |
44 | if (!scrollBar.win) |
45 | rxvt_Resize_scrollBar(aR); |
45 | resize_scrollbar (); |
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46 | |
46 | if (R->scrollBar.win) { |
47 | if (scrollBar.win) |
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48 | { |
47 | XMapWindow(R->Xdisplay, R->scrollBar.win); |
49 | XMapWindow (xdisp, 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 (xdisp, scrollBar.win); |
48 | change = 1; |
57 | change = 1; |
49 | } |
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50 | } else if (!map && scrollbar_visible(R)) { |
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51 | R->scrollBar.state = 0; |
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52 | XUnmapWindow(R->Xdisplay, R->scrollBar.win); |
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53 | change = 1; |
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54 | } |
58 | } |
55 | #endif |
59 | #endif |
56 | return change; |
60 | return change; |
57 | } |
61 | } |
58 | |
62 | |
59 | /* EXTPROTO */ |
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60 | void |
63 | void |
61 | rxvt_Resize_scrollBar(pR) |
64 | rxvt_term::resize_scrollbar () |
62 | { |
65 | { |
63 | #ifdef HAVE_SCROLLBARS |
66 | #ifdef HAVE_SCROLLBARS |
64 | int delayed_init = 0; |
67 | int delayed_init = 0; |
65 | |
68 | |
66 | #define R_SCROLLBEG_XTERM 0 |
69 | #define R_SCROLLBEG_XTERM 0 |
67 | #define R_SCROLLEND_XTERM R->szHint.height |
70 | #define R_SCROLLEND_XTERM szHint.height |
68 | #define R_SCROLLBEG_NEXT 0 |
71 | #define R_SCROLLBEG_NEXT 0 |
69 | #define R_SCROLLEND_NEXT R->szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ |
72 | #define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ |
70 | SB_PADDING) |
73 | SB_PADDING) |
71 | #define R_SCROLLBEG_RXVT (R->scrollBar.width + 1) + R->sb_shadow |
74 | #define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow |
72 | #define R_SCROLLEND_RXVT R->szHint.height - R_SCROLLBEG_RXVT - \ |
75 | #define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \ |
73 | (2 * R->sb_shadow) |
76 | (2 * sb_shadow) |
74 | |
77 | |
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78 | #if defined(PLAIN_SCROLLBAR) |
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79 | if (scrollBar.style == R_SB_PLAIN) |
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80 | { |
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81 | scrollBar.beg = R_SCROLLBEG_XTERM; |
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82 | scrollBar.end = R_SCROLLEND_XTERM; |
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83 | scrollBar.update = &rxvt_term::scrollbar_show_plain; |
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84 | } |
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85 | #endif |
75 | #if defined(XTERM_SCROLLBAR) |
86 | #if defined(XTERM_SCROLLBAR) |
76 | if (R->scrollBar.style == R_SB_XTERM) { |
87 | if (scrollBar.style == R_SB_XTERM) |
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88 | { |
77 | R->scrollBar.beg = R_SCROLLBEG_XTERM; |
89 | scrollBar.beg = R_SCROLLBEG_XTERM; |
78 | R->scrollBar.end = R_SCROLLEND_XTERM; |
90 | scrollBar.end = R_SCROLLEND_XTERM; |
79 | R->scrollBar.update = rxvt_scrollbar_show_xterm; |
91 | scrollBar.update = &rxvt_term::scrollbar_show_xterm; |
80 | } |
92 | } |
81 | #endif |
93 | #endif |
82 | #if defined(NEXT_SCROLLBAR) |
94 | #if defined(NEXT_SCROLLBAR) |
83 | if (R->scrollBar.style == R_SB_NEXT) { |
95 | if (scrollBar.style == R_SB_NEXT) |
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96 | { |
84 | R->scrollBar.beg = R_SCROLLBEG_NEXT; |
97 | scrollBar.beg = R_SCROLLBEG_NEXT; |
85 | R->scrollBar.end = R_SCROLLEND_NEXT; |
98 | scrollBar.end = R_SCROLLEND_NEXT; |
86 | R->scrollBar.update = rxvt_scrollbar_show_next; |
99 | scrollBar.update = &rxvt_term::scrollbar_show_next; |
87 | } |
100 | } |
88 | #endif |
101 | #endif |
89 | #if defined(RXVT_SCROLLBAR) |
102 | #if defined(RXVT_SCROLLBAR) |
90 | if (R->scrollBar.style == R_SB_RXVT) { |
103 | if (scrollBar.style == R_SB_RXVT) |
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104 | { |
91 | R->scrollBar.beg = R_SCROLLBEG_RXVT; |
105 | scrollBar.beg = R_SCROLLBEG_RXVT; |
92 | R->scrollBar.end = R_SCROLLEND_RXVT; |
106 | scrollBar.end = R_SCROLLEND_RXVT; |
93 | R->scrollBar.update = rxvt_scrollbar_show_rxvt; |
107 | scrollBar.update = &rxvt_term::scrollbar_show_rxvt; |
94 | } |
108 | } |
95 | #endif |
109 | #endif |
96 | |
110 | |
97 | if (!R->scrollBar.win) { |
111 | if (!scrollBar.win) |
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112 | { |
98 | /* create the scrollbar window */ |
113 | /* create the scrollbar window */ |
99 | R->scrollBar.win = XCreateSimpleWindow(R->Xdisplay, |
114 | scrollBar.win = XCreateSimpleWindow (xdisp, |
100 | R->TermWin.parent[0], |
115 | parent[0], |
101 | R->window_sb_x, 0, |
116 | window_sb_x, 0, |
102 | scrollbar_TotalWidth(), |
117 | scrollbar_TotalWidth (), |
103 | R->szHint.height, |
118 | szHint.height, |
104 | 0, |
119 | 0, |
105 | R->PixColors[Color_fg], |
120 | pix_colors[Color_fg], |
106 | R->PixColors[Color_bg]); |
121 | pix_colors[Color_border]); |
107 | #ifdef DEBUG_X |
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108 | XStoreName(R->Xdisplay, R->scrollBar.win, "scrollbar"); |
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109 | #endif |
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110 | XDefineCursor(R->Xdisplay, R->scrollBar.win, R->leftptr_cursor); |
122 | XDefineCursor (xdisp, scrollBar.win, leftptr_cursor); |
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123 | |
111 | XSelectInput(R->Xdisplay, R->scrollBar.win, |
124 | XSelectInput (xdisp, scrollBar.win, |
112 | (ExposureMask | ButtonPressMask | ButtonReleaseMask |
125 | ExposureMask | ButtonPressMask | ButtonReleaseMask |
113 | | Button1MotionMask | Button2MotionMask |
126 | | Button1MotionMask | Button2MotionMask |
114 | | Button3MotionMask)); |
127 | | Button3MotionMask); |
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128 | scrollbar_ev.start (display, scrollBar.win); |
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129 | |
115 | delayed_init = 1; |
130 | delayed_init = 1; |
116 | } |
131 | } |
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132 | |
117 | rxvt_scrollbar_show(aR_ 1); |
133 | scrollbar_show (1); |
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134 | |
118 | if (delayed_init) |
135 | if (delayed_init) |
119 | XMapWindow(R->Xdisplay, R->scrollBar.win); |
136 | XMapWindow (xdisp, scrollBar.win); |
120 | #endif |
137 | #endif |
121 | } |
138 | } |
122 | |
139 | |
123 | /* |
140 | /* |
124 | * Update current scrollbar view w.r.t. slider heights, etc. |
141 | * Update current scrollbar view w.r.t. slider heights, etc. |
125 | */ |
142 | */ |
126 | /* EXTPROTO */ |
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127 | int |
143 | int |
128 | rxvt_scrollbar_show(pR_ int update) |
144 | rxvt_term::scrollbar_show (int update) |
129 | { |
145 | { |
130 | int ret = 0; |
146 | int ret = 0; |
131 | #ifdef HAVE_SCROLLBARS |
147 | #ifdef HAVE_SCROLLBARS |
132 | int top, bot, len, adj; |
148 | int top, bot, len, adj; |
133 | |
149 | |
134 | if (!scrollbar_visible(R)) |
150 | if (!scrollBar.state) |
135 | return 0; |
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136 | |
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137 | if (update) { |
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138 | top = (R->TermWin.nscrolled - R->TermWin.view_start); |
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139 | bot = top + (R->TermWin.nrow - 1); |
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140 | len = max((R->TermWin.nscrolled + (R->TermWin.nrow - 1)), 1); |
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141 | adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0; |
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142 | |
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143 | R->scrollBar.top = (R->scrollBar.beg + (top * scrollbar_size()) / len); |
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144 | R->scrollbar_len = ((bot - top) * scrollbar_size()) / len + |
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145 | scrollbar_minheight() + adj; |
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146 | R->scrollBar.bot = (R->scrollBar.top + R->scrollbar_len); |
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147 | /* no change */ |
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148 | if (R->scrollBar.top == R->last_top |
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149 | && R->scrollBar.bot == R->last_bot |
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150 | && (R->scrollBar.state == R->last_state || !scrollbar_isUpDn())) |
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151 | return 0; |
151 | return 0; |
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152 | |
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153 | if (update) |
152 | } |
154 | { |
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155 | top = view_start - top_row; |
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156 | bot = top + (nrow - 1); |
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157 | len = max (nrow - 1 - top_row, 1); |
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158 | adj = (((bot - top) * scrollbar_size ()) % len) > 0 ? 1 : 0; |
153 | |
159 | |
154 | ret = R->scrollBar.update(aR_ update, R->last_top, R->last_bot, |
160 | scrollBar.top = (scrollBar.beg + (top * scrollbar_size ()) / len); |
155 | R->scrollbar_len); |
161 | scrollbar_len = ((bot - top) * scrollbar_size ()) / len + |
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162 | scrollbar_minheight () + adj; |
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163 | scrollBar.bot = (scrollBar.top + scrollbar_len); |
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164 | /* no change */ |
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165 | if (scrollBar.top == last_top |
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166 | && scrollBar.bot == last_bot |
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167 | && (scrollBar.state == last_state || !scrollbar_isUpDn ())) |
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168 | return 0; |
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169 | } |
156 | |
170 | |
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171 | ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); |
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172 | |
157 | R->last_top = R->scrollBar.top; |
173 | last_top = scrollBar.top; |
158 | R->last_bot = R->scrollBar.bot; |
174 | last_bot = scrollBar.bot; |
159 | R->last_state = R->scrollBar.state; |
175 | last_state = scrollBar.state; |
160 | |
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161 | #endif |
176 | #endif |
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177 | |
162 | return ret; |
178 | return ret; |
163 | } |
179 | } |
164 | |
180 | |
165 | /* EXTPROTO */ |
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166 | void |
181 | void |
167 | rxvt_setup_scrollbar(pR_ const char *scrollalign, const char *scrollstyle, const char *thickness) |
182 | rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) |
168 | { |
183 | { |
169 | #ifdef HAVE_SCROLLBARS |
184 | #ifdef HAVE_SCROLLBARS |
170 | int i; |
185 | int i; |
171 | short style, width; |
186 | short style, width; |
172 | |
187 | |
173 | # if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) |
188 | # if defined(RXVT_SCROLLBAR) |
174 | style = R_SB_RXVT; |
189 | style = R_SB_RXVT; |
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190 | # elif defined(XTERM_SCROLLBAR) |
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191 | style = R_SB_XTERM; |
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192 | # elif defined(NEXT_SCROLLBAR) |
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193 | style = R_SB_NEXT; |
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194 | # elif defined(PLAIN_SCROLLBAR) |
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195 | style = R_SB_PLAIN; |
175 | # else |
196 | #else |
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197 | style = R_SB_RXVT; |
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198 | # endif |
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199 | |
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200 | # if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)) |
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201 | if (scrollstyle) |
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202 | { |
176 | # ifdef NEXT_SCROLLBAR |
203 | # ifdef NEXT_SCROLLBAR |
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204 | if (strncasecmp (scrollstyle, "next", 4) == 0) |
177 | style = R_SB_NEXT; |
205 | style = R_SB_NEXT; |
178 | # elif defined(XTERM_SCROLLBAR) |
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179 | style = R_SB_XTERM; |
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180 | # endif |
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181 | # endif |
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182 | |
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183 | # if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) |
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184 | if (scrollstyle) { |
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185 | # ifdef NEXT_SCROLLBAR |
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186 | if (STRNCASECMP(scrollstyle, "next", 4) == 0) |
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187 | style = R_SB_NEXT; |
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188 | # endif |
206 | # endif |
189 | # ifdef XTERM_SCROLLBAR |
207 | # ifdef XTERM_SCROLLBAR |
190 | if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) |
208 | if (strncasecmp (scrollstyle, "xterm", 5) == 0) |
191 | style = R_SB_XTERM; |
209 | style = R_SB_XTERM; |
192 | # endif |
210 | # endif |
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211 | # ifdef PLAIN_SCROLLBAR |
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212 | if (strncasecmp (scrollstyle, "plain", 5) == 0) |
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213 | style = R_SB_PLAIN; |
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214 | # endif |
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215 | |
193 | } |
216 | } |
194 | # endif |
217 | # endif |
195 | if (style == R_SB_NEXT) |
218 | if (style == R_SB_NEXT) |
196 | width = SB_WIDTH_NEXT; |
219 | width = SB_WIDTH_NEXT; |
197 | else if (style == R_SB_XTERM) |
220 | else if (style == R_SB_XTERM) |
198 | width = SB_WIDTH_XTERM; |
221 | width = SB_WIDTH_XTERM; |
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222 | else if (style == R_SB_PLAIN) |
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223 | width = SB_WIDTH_PLAIN; |
199 | else /* if (style == R_SB_RXVT) */ |
224 | else /* if (style == R_SB_RXVT) */ |
200 | width = SB_WIDTH_RXVT; |
225 | width = SB_WIDTH_RXVT; |
201 | |
226 | |
202 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
227 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
203 | if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) |
228 | if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM) |
204 | width = min(i, SB_WIDTH_MAXIMUM); |
229 | width = min (i, SB_WIDTH_MAXIMUM); |
205 | |
230 | |
206 | # if defined(RXVT_SCROLLBAR) |
231 | # ifdef RXVT_SCROLLBAR |
207 | if (!(R->Options & Opt_scrollBar_floating) && style == R_SB_RXVT) |
232 | if (! OPTION (Opt_scrollBar_floating) && style == R_SB_RXVT) |
208 | R->sb_shadow = SHADOW; |
233 | sb_shadow = 2; |
209 | # endif |
234 | # endif |
210 | |
235 | |
211 | R->scrollBar.style = style; |
236 | scrollBar.style = style; |
212 | R->scrollBar.width = width; |
237 | scrollBar.width = width; |
213 | |
238 | |
214 | /* R->scrollbar_align = R_SB_ALIGN_CENTRE; */ |
239 | /* scrollbar_align = R_SB_ALIGN_CENTRE; */ |
215 | if (scrollalign) { |
240 | if (scrollalign) |
216 | if (STRNCASECMP(scrollalign, "top", 3) == 0) |
241 | { |
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242 | if (strncasecmp (scrollalign, "top", 3) == 0) |
217 | R->scrollbar_align = R_SB_ALIGN_TOP; |
243 | scrollbar_align = R_SB_ALIGN_TOP; |
218 | else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) |
244 | else if (strncasecmp (scrollalign, "bottom", 6) == 0) |
219 | R->scrollbar_align = R_SB_ALIGN_BOTTOM; |
245 | scrollbar_align = R_SB_ALIGN_BOTTOM; |
220 | } |
246 | } |
221 | #endif |
247 | #endif |
222 | } |
248 | } |
223 | |
249 | |
224 | /*----------------------- end-of-file (C source) -----------------------*/ |
250 | /*----------------------- end-of-file (C source) -----------------------*/ |
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251 | |