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