1 | /*--------------------------------*-C-*---------------------------------* |
1 | /*----------------------------------------------------------------------* |
2 | * File: scrollbar.c |
2 | * File: scrollbar.C |
3 | *----------------------------------------------------------------------* |
3 | *----------------------------------------------------------------------* |
4 | * |
4 | * |
5 | * Copyright (c) 1997,1998 mj olesen <olesen@me.QueensU.CA> |
5 | * Copyright (c) 1997,1998 mj olesen <olesen@me.QueensU.CA> |
6 | * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org> |
6 | * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org> |
7 | * - N*XTstep like scrollbars |
7 | * - N*XTstep like scrollbars |
8 | * 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 <schmorp@schmorp.de> |
9 | * |
10 | * |
10 | * 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 |
11 | * 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 |
12 | * the Free Software Foundation; either version 2 of the License, or |
13 | * the Free Software Foundation; either version 2 of the License, or |
13 | * (at your option) any later version. |
14 | * (at your option) any later version. |
… | |
… | |
22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
23 | *----------------------------------------------------------------------*/ |
24 | *----------------------------------------------------------------------*/ |
24 | |
25 | |
25 | #include "../config.h" /* NECESSARY */ |
26 | #include "../config.h" /* NECESSARY */ |
26 | #include "rxvt.h" /* NECESSARY */ |
27 | #include "rxvt.h" /* NECESSARY */ |
27 | #include "scrollbar.intpro" /* PROTOS for internal routines */ |
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28 | |
28 | |
29 | /*----------------------------------------------------------------------*/ |
29 | /*----------------------------------------------------------------------*/ |
30 | |
30 | |
31 | /* |
31 | /* |
32 | * 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 |
33 | */ |
33 | */ |
34 | int |
34 | void |
35 | rxvt_term::scrollbar_mapping (int map) |
35 | scrollBar_t::map (int map) |
36 | { |
36 | { |
37 | int change = 0; |
37 | if (map) |
38 | |
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39 | #ifdef HAVE_SCROLLBARS |
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40 | if (map && !scrollbar_visible()) { |
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41 | scrollBar.setIdle (); |
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42 | if (!scrollBar.win) |
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43 | resize_scrollbar (); |
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44 | if (scrollBar.win) { |
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45 | XMapWindow(Xdisplay, scrollBar.win); |
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46 | change = 1; |
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47 | } |
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48 | } else if (!map && scrollbar_visible()) { |
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49 | scrollBar.state = 0; |
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50 | XUnmapWindow(Xdisplay, scrollBar.win); |
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51 | change = 1; |
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52 | } |
38 | { |
53 | #endif |
39 | state = STATE_IDLE; |
54 | return change; |
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55 | } |
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56 | |
40 | |
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41 | if (!win) |
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42 | resize (); |
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43 | |
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44 | if (win) |
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45 | { |
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46 | XMapWindow (term->dpy, win); |
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47 | } |
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48 | } |
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49 | else |
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50 | { |
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51 | state = STATE_OFF; |
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52 | XUnmapWindow (term->dpy, win); |
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53 | } |
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54 | } |
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55 | |
57 | void |
56 | void |
58 | rxvt_term::resize_scrollbar () |
57 | scrollBar_t::resize () |
59 | { |
58 | { |
60 | #ifdef HAVE_SCROLLBARS |
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61 | int delayed_init = 0; |
59 | int delayed_init = 0; |
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60 | int window_sb_x = 0; |
62 | |
61 | |
63 | #define R_SCROLLBEG_XTERM 0 |
62 | if (term->option (Opt_scrollBar_right)) |
64 | #define R_SCROLLEND_XTERM szHint.height |
63 | window_sb_x = term->szHint.width - total_width (); |
65 | #define R_SCROLLBEG_NEXT 0 |
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66 | #define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ |
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67 | SB_PADDING) |
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68 | #define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow |
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69 | #define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \ |
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70 | (2 * sb_shadow) |
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71 | |
64 | |
72 | #if defined(PLAIN_SCROLLBAR) |
65 | update_data (); |
73 | if (scrollBar.style == R_SB_PLAIN) { |
66 | |
74 | scrollBar.beg = R_SCROLLBEG_XTERM; |
67 | if (!win) |
75 | scrollBar.end = R_SCROLLEND_XTERM; |
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76 | scrollBar.update = &rxvt_term::scrollbar_show_plain; |
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77 | } |
68 | { |
78 | #endif |
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79 | #if defined(XTERM_SCROLLBAR) |
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80 | if (scrollBar.style == R_SB_XTERM) { |
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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_xterm; |
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84 | } |
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85 | #endif |
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86 | #if defined(NEXT_SCROLLBAR) |
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87 | if (scrollBar.style == R_SB_NEXT) { |
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88 | scrollBar.beg = R_SCROLLBEG_NEXT; |
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89 | scrollBar.end = R_SCROLLEND_NEXT; |
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90 | scrollBar.update = &rxvt_term::scrollbar_show_next; |
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91 | } |
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92 | #endif |
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93 | #if defined(RXVT_SCROLLBAR) |
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94 | if (scrollBar.style == R_SB_RXVT) { |
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95 | scrollBar.beg = R_SCROLLBEG_RXVT; |
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96 | scrollBar.end = R_SCROLLEND_RXVT; |
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97 | scrollBar.update = &rxvt_term::scrollbar_show_rxvt; |
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98 | } |
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99 | #endif |
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100 | |
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101 | if (!scrollBar.win) { |
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102 | /* create the scrollbar window */ |
69 | /* create the scrollbar window */ |
103 | scrollBar.win = XCreateSimpleWindow(Xdisplay, |
70 | win = XCreateSimpleWindow (term->dpy, |
104 | TermWin.parent[0], |
71 | term->parent, |
105 | window_sb_x, 0, |
72 | window_sb_x, 0, |
106 | scrollbar_TotalWidth(), |
73 | total_width (), |
107 | szHint.height, |
74 | term->szHint.height, |
108 | 0, |
75 | 0, |
109 | PixColors[Color_fg], |
76 | term->pix_colors[Color_fg], |
110 | PixColors[Color_bg]); |
77 | term->pix_colors[Color_border]); |
111 | #ifdef DEBUG_X |
78 | XDefineCursor (term->dpy, win, leftptr_cursor); |
112 | XStoreName(Xdisplay, scrollBar.win, "scrollbar"); |
79 | |
113 | #endif |
80 | XSelectInput (term->dpy, win, |
114 | XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor); |
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115 | XSelectInput(Xdisplay, scrollBar.win, |
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116 | (ExposureMask | ButtonPressMask | ButtonReleaseMask |
81 | ExposureMask | ButtonPressMask | ButtonReleaseMask |
117 | | Button1MotionMask | Button2MotionMask |
82 | | Button1MotionMask | Button2MotionMask |
118 | | Button3MotionMask)); |
83 | | Button3MotionMask); |
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84 | term->scrollbar_ev.start (term->display, win); |
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85 | |
119 | delayed_init = 1; |
86 | delayed_init = 1; |
120 | } |
87 | } |
121 | scrollbar_show (1); |
88 | else |
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89 | XMoveResizeWindow (term->dpy, win, |
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90 | window_sb_x, 0, |
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91 | total_width (), term->szHint.height); |
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92 | |
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93 | show (1); |
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94 | |
122 | if (delayed_init) |
95 | if (delayed_init) |
123 | XMapWindow (Xdisplay, scrollBar.win); |
96 | XMapWindow (term->dpy, win); |
124 | #endif |
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125 | } |
97 | } |
126 | |
98 | |
127 | /* |
99 | /* |
128 | * Update current scrollbar view w.r.t. slider heights, etc. |
100 | * Update current scrollbar view w.r.t. slider heights, etc. |
129 | */ |
101 | */ |
130 | int |
102 | int |
131 | rxvt_term::scrollbar_show (int update) |
103 | scrollBar_t::show (int refresh) |
132 | { |
104 | { |
133 | int ret = 0; |
105 | int ret; |
134 | #ifdef HAVE_SCROLLBARS |
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135 | int top, bot, len, adj; |
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136 | |
106 | |
137 | if (!scrollbar_visible()) |
107 | if (!state) |
138 | return 0; |
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139 | |
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140 | if (update) { |
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141 | top = (TermWin.nscrolled - TermWin.view_start); |
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142 | bot = top + (TermWin.nrow - 1); |
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143 | len = max((TermWin.nscrolled + (TermWin.nrow - 1)), 1); |
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144 | adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0; |
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145 | |
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146 | scrollBar.top = (scrollBar.beg + (top * scrollbar_size()) / len); |
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147 | scrollbar_len = ((bot - top) * scrollbar_size()) / len + |
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148 | scrollbar_minheight() + adj; |
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149 | scrollBar.bot = (scrollBar.top + scrollbar_len); |
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150 | /* no change */ |
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151 | if (scrollBar.top == last_top |
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152 | && scrollBar.bot == last_bot |
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153 | && (scrollBar.state == last_state || !scrollbar_isUpDn())) |
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154 | return 0; |
108 | return 0; |
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109 | |
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110 | if (refresh) |
155 | } |
111 | { |
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112 | int sb_top = term->view_start - term->top_row; |
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113 | int sb_bot = sb_top + (term->nrow - 1); |
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114 | int sb_len = max (term->nrow - 1 - term->top_row, 1); |
156 | |
115 | |
157 | ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); |
116 | top = beg + (sb_top * size ()) / sb_len; |
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117 | bot = top + ecb_div_ru ((sb_bot - sb_top) * size (), sb_len) + min_height (); |
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118 | /* no change */ |
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119 | if (top == last_top |
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120 | && bot == last_bot |
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121 | && (state == last_state |
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122 | || !(state == STATE_UP || state == STATE_DOWN))) |
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123 | return 0; |
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124 | } |
158 | |
125 | |
159 | last_top = scrollBar.top; |
126 | ret = (this->*update) (refresh); |
160 | last_bot = scrollBar.bot; |
127 | |
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128 | last_top = top; |
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129 | last_bot = bot; |
161 | last_state = scrollBar.state; |
130 | last_state = state; |
162 | #endif |
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163 | |
131 | |
164 | return ret; |
132 | return ret; |
165 | } |
133 | } |
166 | |
134 | |
167 | void |
135 | void |
168 | rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) |
136 | scrollBar_t::setup (rxvt_term *term) |
169 | { |
137 | { |
170 | #ifdef HAVE_SCROLLBARS |
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171 | int i; |
138 | int i; |
172 | short style, width; |
139 | const char *scrollalign, *scrollstyle, *thickness; |
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140 | |
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141 | this->term = term; |
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142 | scrollalign = term->rs[Rs_scrollBar_align]; |
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143 | scrollstyle = term->rs[Rs_scrollstyle]; |
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144 | thickness = term->rs[Rs_scrollBar_thickness]; |
173 | |
145 | |
174 | # if defined(RXVT_SCROLLBAR) |
146 | # if defined(RXVT_SCROLLBAR) |
175 | style = R_SB_RXVT; |
147 | style = R_SB_RXVT; |
176 | # elif defined(XTERM_SCROLLBAR) |
148 | # elif defined(XTERM_SCROLLBAR) |
177 | style = R_SB_XTERM; |
149 | style = R_SB_XTERM; |
178 | # elif defined(NEXT_SCROLLBAR) |
150 | # elif defined(NEXT_SCROLLBAR) |
179 | style = R_SB_NEXT; |
151 | style = R_SB_NEXT; |
180 | # elif defined(PLAIN_SCROLLBAR) |
152 | # elif defined(PLAIN_SCROLLBAR) |
181 | style = R_SB_PLAIN; |
153 | style = R_SB_PLAIN; |
182 | #else |
154 | #else |
183 | style = R_SB_RXVT; |
155 | style = R_SB_RXVT; |
184 | # endif |
156 | # endif |
185 | |
157 | |
186 | # if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)) |
158 | # if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)) |
187 | if (scrollstyle) { |
159 | if (scrollstyle) |
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160 | { |
188 | # ifdef NEXT_SCROLLBAR |
161 | # ifdef NEXT_SCROLLBAR |
189 | if (STRNCASECMP(scrollstyle, "next", 4) == 0) |
162 | if (strncasecmp (scrollstyle, "next", 4) == 0) |
190 | style = R_SB_NEXT; |
163 | style = R_SB_NEXT; |
191 | # endif |
164 | # endif |
192 | # ifdef XTERM_SCROLLBAR |
165 | # ifdef XTERM_SCROLLBAR |
193 | if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) |
166 | if (strncasecmp (scrollstyle, "xterm", 5) == 0) |
194 | style = R_SB_XTERM; |
167 | style = R_SB_XTERM; |
195 | # endif |
168 | # endif |
196 | # ifdef PLAIN_SCROLLBAR |
169 | # ifdef PLAIN_SCROLLBAR |
197 | if (STRNCASECMP(scrollstyle, "plain", 5) == 0) |
170 | if (strncasecmp (scrollstyle, "plain", 5) == 0) |
198 | style = R_SB_PLAIN; |
171 | style = R_SB_PLAIN; |
199 | # endif |
172 | # endif |
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173 | |
200 | } |
174 | } |
201 | # endif |
175 | # endif |
202 | if (style == R_SB_NEXT) |
176 | if (style == R_SB_NEXT) |
203 | width = SB_WIDTH_NEXT; |
177 | width = SB_WIDTH_NEXT; |
204 | else if (style == R_SB_XTERM) |
178 | else if (style == R_SB_XTERM) |
205 | width = SB_WIDTH_XTERM; |
179 | width = SB_WIDTH_XTERM; |
206 | else if (style == R_SB_PLAIN) |
180 | else if (style == R_SB_PLAIN) |
207 | width = SB_WIDTH_PLAIN; |
181 | width = SB_WIDTH_PLAIN; |
208 | else /* if (style == R_SB_RXVT) */ |
182 | else /* if (style == R_SB_RXVT) */ |
209 | width = SB_WIDTH_RXVT; |
183 | width = SB_WIDTH_RXVT; |
210 | |
184 | |
211 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
185 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
212 | if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) |
186 | if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM) |
213 | width = min(i, SB_WIDTH_MAXIMUM); |
187 | width = min (i, SB_WIDTH_MAXIMUM); |
214 | |
188 | |
215 | # if defined(RXVT_SCROLLBAR) |
189 | # ifdef RXVT_SCROLLBAR |
216 | if (!(Options & Opt_scrollBar_floating) && style == R_SB_RXVT) |
190 | if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT) |
217 | sb_shadow = SHADOW; |
191 | shadow = SHADOW_WIDTH; |
218 | # endif |
192 | # endif |
219 | |
193 | |
220 | scrollBar.style = style; |
|
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221 | scrollBar.width = width; |
|
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222 | |
|
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223 | /* scrollbar_align = R_SB_ALIGN_CENTRE; */ |
194 | /* align = R_SB_ALIGN_CENTRE; */ |
224 | if (scrollalign) { |
195 | if (scrollalign) |
225 | if (STRNCASECMP(scrollalign, "top", 3) == 0) |
196 | { |
226 | scrollbar_align = R_SB_ALIGN_TOP; |
197 | if (strncasecmp (scrollalign, "top", 3) == 0) |
227 | else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) |
198 | align = R_SB_ALIGN_TOP; |
228 | scrollbar_align = R_SB_ALIGN_BOTTOM; |
199 | else if (strncasecmp (scrollalign, "bottom", 6) == 0) |
|
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200 | align = R_SB_ALIGN_BOTTOM; |
|
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201 | } |
|
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202 | last_state = STATE_OFF; |
|
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203 | /* cursor scrollBar: Black-on-White */ |
|
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204 | leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr); |
|
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205 | } |
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206 | |
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207 | void |
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208 | scrollBar_t::destroy () |
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209 | { |
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210 | #ifdef XTERM_SCROLLBAR |
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211 | if (xscrollbarGC) XFreeGC (term->dpy, xscrollbarGC); |
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212 | if (ShadowGC) XFreeGC (term->dpy, ShadowGC); |
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213 | #endif |
|
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214 | #ifdef PLAIN_SCROLLBAR |
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215 | if (pscrollbarGC) XFreeGC (term->dpy, pscrollbarGC); |
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216 | #endif |
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217 | #ifdef NEXT_SCROLLBAR |
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218 | if (blackGC) XFreeGC (term->dpy, blackGC); |
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219 | if (whiteGC) XFreeGC (term->dpy, whiteGC); |
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220 | if (grayGC) XFreeGC (term->dpy, grayGC); |
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221 | if (darkGC) XFreeGC (term->dpy, darkGC); |
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222 | if (stippleGC) XFreeGC (term->dpy, stippleGC); |
|
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223 | if (dimple) XFreePixmap (term->dpy, dimple); |
|
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224 | if (upArrow) XFreePixmap (term->dpy, upArrow); |
|
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225 | if (downArrow) XFreePixmap (term->dpy, downArrow); |
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226 | if (upArrowHi) XFreePixmap (term->dpy, upArrowHi); |
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227 | if (downArrowHi) XFreePixmap (term->dpy, downArrowHi); |
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228 | #endif |
|
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229 | #ifdef RXVT_SCROLLBAR |
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230 | if (topShadowGC) XFreeGC (term->dpy, topShadowGC); |
|
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231 | if (botShadowGC) XFreeGC (term->dpy, botShadowGC); |
|
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232 | if (scrollbarGC) XFreeGC (term->dpy, scrollbarGC); |
|
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233 | #endif |
|
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234 | } |
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235 | |
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236 | void |
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237 | scrollBar_t::update_data () |
|
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238 | { |
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239 | #if defined(PLAIN_SCROLLBAR) |
|
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240 | if (style == R_SB_PLAIN) |
|
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241 | { |
|
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242 | beg = 0; |
|
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243 | end = term->szHint.height; |
|
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244 | update = &scrollBar_t::show_plain; |
|
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245 | } |
|
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246 | #endif |
|
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247 | #if defined(XTERM_SCROLLBAR) |
|
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248 | if (style == R_SB_XTERM) |
|
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249 | { |
|
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250 | beg = 0; |
|
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251 | end = term->szHint.height; |
|
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252 | update = &scrollBar_t::show_xterm; |
|
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253 | } |
|
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254 | #endif |
|
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255 | #if defined(NEXT_SCROLLBAR) |
|
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256 | if (style == R_SB_NEXT) |
|
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257 | { |
|
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258 | beg = 0; |
|
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259 | end = term->szHint.height - (SB_BUTTON_TOTAL_HEIGHT + SB_PADDING); |
|
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260 | update = &scrollBar_t::show_next; |
|
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261 | } |
|
|
262 | #endif |
|
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263 | #if defined(RXVT_SCROLLBAR) |
|
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264 | if (style == R_SB_RXVT) |
|
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265 | { |
|
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266 | beg = (width + 1) + shadow; |
|
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267 | end = term->szHint.height - beg - (2 * shadow); |
|
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268 | update = &scrollBar_t::show_rxvt; |
229 | } |
269 | } |
230 | #endif |
270 | #endif |
231 | } |
271 | } |
232 | |
272 | |
233 | /*----------------------- end-of-file (C source) -----------------------*/ |
273 | /*----------------------- end-of-file (C source) -----------------------*/ |