1 | /*--------------------------------*-C-*---------------------------------* |
1 | /*----------------------------------------------------------------------* |
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) 2004-2006 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 | /* 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 | if (map) |
43 | scrollbar_setIdle(); |
40 | { |
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41 | scrollBar.state = STATE_IDLE; |
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42 | |
44 | if (!R->scrollBar.win) |
43 | if (!scrollBar.win) |
45 | rxvt_Resize_scrollBar(aR); |
44 | resize_scrollbar (); |
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45 | |
46 | if (R->scrollBar.win) { |
46 | if (scrollBar.win) |
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47 | { |
47 | XMapWindow(R->Xdisplay, R->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); |
48 | change = 1; |
56 | 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 | } |
57 | } |
55 | #endif |
58 | |
56 | return change; |
59 | return change; |
57 | } |
60 | } |
58 | |
61 | |
59 | /* EXTPROTO */ |
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60 | void |
62 | void |
61 | rxvt_Resize_scrollBar(pR) |
63 | rxvt_term::resize_scrollbar () |
62 | { |
64 | { |
63 | #ifdef HAVE_SCROLLBARS |
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64 | int delayed_init = 0; |
65 | int delayed_init = 0; |
65 | |
66 | |
66 | #define R_SCROLLBEG_XTERM 0 |
67 | #define R_SCROLLBEG_XTERM 0 |
67 | #define R_SCROLLEND_XTERM R->szHint.height |
68 | #define R_SCROLLEND_XTERM szHint.height |
68 | #define R_SCROLLBEG_NEXT 0 |
69 | #define R_SCROLLBEG_NEXT 0 |
69 | #define R_SCROLLEND_NEXT R->szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ |
70 | #define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ |
70 | SB_PADDING) |
71 | SB_PADDING) |
71 | #define R_SCROLLBEG_RXVT (R->scrollBar.width + 1) + R->sb_shadow |
72 | #define R_SCROLLBEG_RXVT (scrollBar.width + 1) + scrollBar.shadow |
72 | #define R_SCROLLEND_RXVT R->szHint.height - R_SCROLLBEG_RXVT - \ |
73 | #define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \ |
73 | (2 * R->sb_shadow) |
74 | (2 * scrollBar.shadow) |
74 | |
75 | |
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76 | #if defined(PLAIN_SCROLLBAR) |
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77 | if (scrollBar.style == R_SB_PLAIN) |
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78 | { |
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79 | scrollBar.beg = R_SCROLLBEG_XTERM; |
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80 | scrollBar.end = R_SCROLLEND_XTERM; |
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81 | scrollBar.update = &rxvt_term::scrollbar_show_plain; |
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82 | } |
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83 | #endif |
75 | #if defined(XTERM_SCROLLBAR) |
84 | #if defined(XTERM_SCROLLBAR) |
76 | if (R->scrollBar.style == R_SB_XTERM) { |
85 | if (scrollBar.style == R_SB_XTERM) |
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86 | { |
77 | R->scrollBar.beg = R_SCROLLBEG_XTERM; |
87 | scrollBar.beg = R_SCROLLBEG_XTERM; |
78 | R->scrollBar.end = R_SCROLLEND_XTERM; |
88 | scrollBar.end = R_SCROLLEND_XTERM; |
79 | R->scrollBar.update = rxvt_scrollbar_show_xterm; |
89 | scrollBar.update = &rxvt_term::scrollbar_show_xterm; |
80 | } |
90 | } |
81 | #endif |
91 | #endif |
82 | #if defined(NEXT_SCROLLBAR) |
92 | #if defined(NEXT_SCROLLBAR) |
83 | if (R->scrollBar.style == R_SB_NEXT) { |
93 | if (scrollBar.style == R_SB_NEXT) |
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94 | { |
84 | R->scrollBar.beg = R_SCROLLBEG_NEXT; |
95 | scrollBar.beg = R_SCROLLBEG_NEXT; |
85 | R->scrollBar.end = R_SCROLLEND_NEXT; |
96 | scrollBar.end = R_SCROLLEND_NEXT; |
86 | R->scrollBar.update = rxvt_scrollbar_show_next; |
97 | scrollBar.update = &rxvt_term::scrollbar_show_next; |
87 | } |
98 | } |
88 | #endif |
99 | #endif |
89 | #if defined(RXVT_SCROLLBAR) |
100 | #if defined(RXVT_SCROLLBAR) |
90 | if (R->scrollBar.style == R_SB_RXVT) { |
101 | if (scrollBar.style == R_SB_RXVT) |
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102 | { |
91 | R->scrollBar.beg = R_SCROLLBEG_RXVT; |
103 | scrollBar.beg = R_SCROLLBEG_RXVT; |
92 | R->scrollBar.end = R_SCROLLEND_RXVT; |
104 | scrollBar.end = R_SCROLLEND_RXVT; |
93 | R->scrollBar.update = rxvt_scrollbar_show_rxvt; |
105 | scrollBar.update = &rxvt_term::scrollbar_show_rxvt; |
94 | } |
106 | } |
95 | #endif |
107 | #endif |
96 | |
108 | |
97 | if (!R->scrollBar.win) { |
109 | if (!scrollBar.win) |
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110 | { |
98 | /* create the scrollbar window */ |
111 | /* create the scrollbar window */ |
99 | R->scrollBar.win = XCreateSimpleWindow(R->Xdisplay, |
112 | scrollBar.win = XCreateSimpleWindow (dpy, |
100 | R->TermWin.parent[0], |
113 | parent[0], |
101 | R->window_sb_x, 0, |
114 | window_sb_x, 0, |
102 | scrollbar_TotalWidth(), |
115 | scrollBar.total_width (), |
103 | R->szHint.height, |
116 | szHint.height, |
104 | 0, |
117 | 0, |
105 | R->PixColors[Color_fg], |
118 | pix_colors[Color_fg], |
106 | R->PixColors[Color_bg]); |
119 | 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); |
120 | XDefineCursor (dpy, scrollBar.win, scrollBar.leftptr_cursor); |
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121 | |
111 | XSelectInput(R->Xdisplay, R->scrollBar.win, |
122 | XSelectInput (dpy, scrollBar.win, |
112 | (ExposureMask | ButtonPressMask | ButtonReleaseMask |
123 | ExposureMask | ButtonPressMask | ButtonReleaseMask |
113 | | Button1MotionMask | Button2MotionMask |
124 | | Button1MotionMask | Button2MotionMask |
114 | | Button3MotionMask)); |
125 | | Button3MotionMask); |
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126 | scrollbar_ev.start (display, scrollBar.win); |
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127 | |
115 | delayed_init = 1; |
128 | delayed_init = 1; |
116 | } |
129 | } |
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130 | |
117 | rxvt_scrollbar_show(aR_ 1); |
131 | scrollbar_show (1); |
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132 | |
118 | if (delayed_init) |
133 | if (delayed_init) |
119 | XMapWindow(R->Xdisplay, R->scrollBar.win); |
134 | XMapWindow (dpy, scrollBar.win); |
120 | #endif |
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121 | } |
135 | } |
122 | |
136 | |
123 | /* |
137 | /* |
124 | * Update current scrollbar view w.r.t. slider heights, etc. |
138 | * Update current scrollbar view w.r.t. slider heights, etc. |
125 | */ |
139 | */ |
126 | /* EXTPROTO */ |
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127 | int |
140 | int |
128 | rxvt_scrollbar_show(pR_ int update) |
141 | rxvt_term::scrollbar_show (int update) |
129 | { |
142 | { |
130 | int ret = 0; |
143 | int ret = 0; |
131 | #ifdef HAVE_SCROLLBARS |
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132 | int top, bot, len, adj; |
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133 | |
144 | |
134 | if (!scrollbar_visible(R)) |
145 | 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; |
146 | return 0; |
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147 | |
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148 | if (update) |
152 | } |
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; |
153 | |
154 | |
154 | ret = R->scrollBar.update(aR_ update, R->last_top, R->last_bot, |
155 | scrollBar.top = (scrollBar.beg + (top * scrollBar.size ()) / len); |
155 | R->scrollbar_len); |
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 | } |
156 | |
166 | |
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167 | ret = (this->*scrollBar.update) (update, scrollBar.last_top, scrollBar.last_bot, scrollBar.len); |
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168 | |
157 | R->last_top = R->scrollBar.top; |
169 | scrollBar.last_top = scrollBar.top; |
158 | R->last_bot = R->scrollBar.bot; |
170 | scrollBar.last_bot = scrollBar.bot; |
159 | R->last_state = R->scrollBar.state; |
171 | scrollBar.last_state = scrollBar.state; |
160 | |
172 | |
161 | #endif |
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162 | return ret; |
173 | return ret; |
163 | } |
174 | } |
164 | |
175 | |
165 | /* EXTPROTO */ |
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166 | void |
176 | void |
167 | rxvt_setup_scrollbar(pR_ const char *scrollalign, const char *scrollstyle, const char *thickness) |
177 | scrollBar_t::setup (rxvt_term *term) |
168 | { |
178 | { |
169 | #ifdef HAVE_SCROLLBARS |
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170 | int i; |
179 | int i; |
171 | short style, width; |
180 | short style, width; |
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181 | const char *scrollalign, *scrollstyle, *thickness; |
172 | |
182 | |
173 | # if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) |
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]; |
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187 | |
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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 (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT) |
208 | R->sb_shadow = SHADOW; |
233 | shadow = SHADOW_WIDTH; |
209 | # endif |
234 | # endif |
210 | |
235 | |
211 | R->scrollBar.style = style; |
236 | this->style = style; |
212 | R->scrollBar.width = width; |
237 | this->width = width; |
213 | |
238 | |
214 | /* R->scrollbar_align = R_SB_ALIGN_CENTRE; */ |
239 | /* align = R_SB_ALIGN_CENTRE; */ |
215 | if (scrollalign) { |
240 | if (scrollalign) |
216 | if (STRNCASECMP(scrollalign, "top", 3) == 0) |
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217 | R->scrollbar_align = R_SB_ALIGN_TOP; |
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218 | else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) |
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219 | R->scrollbar_align = R_SB_ALIGN_BOTTOM; |
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220 | } |
241 | { |
221 | #endif |
242 | if (strncasecmp (scrollalign, "top", 3) == 0) |
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243 | align = R_SB_ALIGN_TOP; |
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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 */ |
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249 | leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr); |
222 | } |
250 | } |
223 | |
251 | |
224 | /*----------------------- end-of-file (C source) -----------------------*/ |
252 | /*----------------------- end-of-file (C source) -----------------------*/ |
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253 | |