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> |
9 | * Copyright (c) 2004 Marc Lehmann <pcg@goof.com> |
9 | * Copyright (c) 2004-2006 Marc Lehmann <schmorp@schmorp.de> |
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. |
… | |
… | |
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 | { |
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42 | scrollBar.setIdle (); |
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43 | if (!scrollBar.win) |
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44 | resize_scrollbar (); |
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45 | if (scrollBar.win) |
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46 | { |
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47 | XMapWindow (display->display, scrollBar.win); |
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48 | change = 1; |
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49 | } |
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50 | } |
38 | { |
51 | else if (!map && scrollbar_visible ()) |
39 | state = STATE_IDLE; |
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40 | |
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41 | if (!win) |
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42 | resize (); |
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43 | else |
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44 | XMapWindow (term->dpy, win); |
52 | { |
45 | } |
53 | scrollBar.state = 0; |
46 | else |
54 | XUnmapWindow (display->display, scrollBar.win); |
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55 | change = 1; |
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56 | } |
47 | { |
57 | #endif |
48 | state = STATE_OFF; |
58 | return change; |
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59 | } |
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60 | |
49 | |
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50 | if (win) |
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51 | XUnmapWindow (term->dpy, win); |
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52 | } |
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53 | } |
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54 | |
61 | void |
55 | void |
62 | rxvt_term::resize_scrollbar () |
56 | scrollBar_t::resize () |
63 | { |
57 | { |
64 | #ifdef HAVE_SCROLLBARS |
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65 | int delayed_init = 0; |
58 | int delayed_init = 0; |
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59 | int window_sb_x = 0; |
66 | |
60 | |
67 | #define R_SCROLLBEG_XTERM 0 |
61 | if (term->option (Opt_scrollBar_right)) |
68 | #define R_SCROLLEND_XTERM szHint.height |
62 | window_sb_x = term->szHint.width - total_width (); |
69 | #define R_SCROLLBEG_NEXT 0 |
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70 | #define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ |
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71 | SB_PADDING) |
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72 | #define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow |
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73 | #define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \ |
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74 | (2 * sb_shadow) |
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75 | |
63 | |
76 | #if defined(PLAIN_SCROLLBAR) |
64 | update_data (); |
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 |
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84 | #if defined(XTERM_SCROLLBAR) |
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85 | if (scrollBar.style == R_SB_XTERM) |
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86 | { |
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87 | scrollBar.beg = R_SCROLLBEG_XTERM; |
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88 | scrollBar.end = R_SCROLLEND_XTERM; |
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89 | scrollBar.update = &rxvt_term::scrollbar_show_xterm; |
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90 | } |
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91 | #endif |
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92 | #if defined(NEXT_SCROLLBAR) |
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93 | if (scrollBar.style == R_SB_NEXT) |
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94 | { |
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95 | scrollBar.beg = R_SCROLLBEG_NEXT; |
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96 | scrollBar.end = R_SCROLLEND_NEXT; |
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97 | scrollBar.update = &rxvt_term::scrollbar_show_next; |
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98 | } |
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99 | #endif |
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100 | #if defined(RXVT_SCROLLBAR) |
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101 | if (scrollBar.style == R_SB_RXVT) |
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102 | { |
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103 | scrollBar.beg = R_SCROLLBEG_RXVT; |
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104 | scrollBar.end = R_SCROLLEND_RXVT; |
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105 | scrollBar.update = &rxvt_term::scrollbar_show_rxvt; |
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106 | } |
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107 | #endif |
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108 | |
65 | |
109 | if (!scrollBar.win) |
66 | if (!win) |
110 | { |
67 | { |
111 | /* create the scrollbar window */ |
68 | /* create the scrollbar window */ |
112 | scrollBar.win = XCreateSimpleWindow (display->display, |
69 | win = XCreateSimpleWindow (term->dpy, |
113 | TermWin.parent[0], |
70 | term->parent, |
114 | window_sb_x, 0, |
71 | window_sb_x, 0, |
115 | scrollbar_TotalWidth (), |
72 | total_width (), |
116 | szHint.height, |
73 | term->szHint.height, |
117 | 0, |
74 | 0, |
118 | pix_colors[Color_fg], |
75 | term->pix_colors[Color_fg], |
119 | pix_colors[Color_bg]); |
76 | term->pix_colors[Color_border]); |
120 | #ifdef DEBUG_X |
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121 | XStoreName (display->display, scrollBar.win, "scrollbar"); |
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122 | #endif |
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123 | XDefineCursor (display->display, scrollBar.win, leftptr_cursor); |
77 | XDefineCursor (term->dpy, win, leftptr_cursor); |
124 | |
78 | |
125 | XSelectInput (display->display, scrollBar.win, |
79 | XSelectInput (term->dpy, win, |
126 | ExposureMask | ButtonPressMask | ButtonReleaseMask |
80 | ExposureMask | ButtonPressMask | ButtonReleaseMask |
127 | | Button1MotionMask | Button2MotionMask |
81 | | Button1MotionMask | Button2MotionMask |
128 | | Button3MotionMask); |
82 | | Button3MotionMask); |
129 | scrollbar_ev.start (display, scrollBar.win); |
83 | term->scrollbar_ev.start (term->display, win); |
130 | |
84 | |
131 | delayed_init = 1; |
85 | delayed_init = 1; |
132 | } |
86 | } |
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87 | else |
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88 | XMoveResizeWindow (term->dpy, win, |
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89 | window_sb_x, 0, |
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90 | total_width (), term->szHint.height); |
133 | |
91 | |
134 | scrollbar_show (1); |
92 | show (1); |
135 | |
93 | |
136 | if (delayed_init) |
94 | if (delayed_init) |
137 | XMapWindow (display->display, scrollBar.win); |
95 | XMapWindow (term->dpy, win); |
138 | #endif |
|
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139 | } |
96 | } |
140 | |
97 | |
141 | /* |
98 | /* |
142 | * Update current scrollbar view w.r.t. slider heights, etc. |
99 | * Update current scrollbar view w.r.t. slider heights, etc. |
143 | */ |
100 | */ |
144 | int |
101 | int |
145 | rxvt_term::scrollbar_show (int update) |
102 | scrollBar_t::show (int refresh) |
146 | { |
103 | { |
147 | int ret = 0; |
104 | int ret; |
148 | #ifdef HAVE_SCROLLBARS |
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149 | int top, bot, len, adj; |
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150 | |
105 | |
151 | if (!scrollbar_visible ()) |
106 | if (!state) |
152 | return 0; |
107 | return 0; |
153 | |
108 | |
154 | if (update) |
109 | if (refresh) |
155 | { |
110 | { |
156 | top = (TermWin.nscrolled - TermWin.view_start); |
111 | int sb_top = term->view_start - term->top_row; |
157 | bot = top + (TermWin.nrow - 1); |
112 | int sb_bot = sb_top + (term->nrow - 1); |
158 | len = max ((TermWin.nscrolled + (TermWin.nrow - 1)), 1); |
113 | int sb_len = max (term->nrow - 1 - term->top_row, 1); |
159 | adj = (((bot - top) * scrollbar_size ()) % len) > 0 ? 1 : 0; |
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160 | |
114 | |
161 | scrollBar.top = (scrollBar.beg + (top * scrollbar_size ()) / len); |
115 | top = beg + (sb_top * size ()) / sb_len; |
162 | scrollbar_len = ((bot - top) * scrollbar_size ()) / len + |
116 | bot = top + ecb_div_ru ((sb_bot - sb_top) * size (), sb_len) + min_height (); |
163 | scrollbar_minheight () + adj; |
|
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164 | scrollBar.bot = (scrollBar.top + scrollbar_len); |
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165 | /* no change */ |
117 | /* no change */ |
166 | if (scrollBar.top == last_top |
118 | if (top == last_top |
167 | && scrollBar.bot == last_bot |
119 | && bot == last_bot |
168 | && (scrollBar.state == last_state || !scrollbar_isUpDn ())) |
120 | && (state == last_state |
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121 | || !(state == STATE_UP || state == STATE_DOWN))) |
169 | return 0; |
122 | return 0; |
170 | } |
123 | } |
171 | |
124 | |
172 | ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); |
125 | ret = (this->*update) (refresh); |
173 | |
126 | |
174 | last_top = scrollBar.top; |
127 | last_top = top; |
175 | last_bot = scrollBar.bot; |
128 | last_bot = bot; |
176 | last_state = scrollBar.state; |
129 | last_state = state; |
177 | #endif |
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178 | |
130 | |
179 | return ret; |
131 | return ret; |
180 | } |
132 | } |
181 | |
133 | |
182 | void |
134 | void |
183 | rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) |
135 | scrollBar_t::setup (rxvt_term *term) |
184 | { |
136 | { |
185 | #ifdef HAVE_SCROLLBARS |
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186 | int i; |
137 | int i; |
187 | short style, width; |
138 | const char *scrollalign, *scrollstyle, *thickness; |
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139 | |
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140 | this->term = term; |
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141 | scrollalign = term->rs[Rs_scrollBar_align]; |
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142 | scrollstyle = term->rs[Rs_scrollstyle]; |
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143 | thickness = term->rs[Rs_scrollBar_thickness]; |
188 | |
144 | |
189 | # if defined(RXVT_SCROLLBAR) |
145 | # if defined(RXVT_SCROLLBAR) |
190 | style = R_SB_RXVT; |
146 | style = R_SB_RXVT; |
191 | # elif defined(XTERM_SCROLLBAR) |
147 | # elif defined(XTERM_SCROLLBAR) |
192 | style = R_SB_XTERM; |
148 | style = R_SB_XTERM; |
… | |
… | |
227 | |
183 | |
228 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
184 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
229 | if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM) |
185 | if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM) |
230 | width = min (i, SB_WIDTH_MAXIMUM); |
186 | width = min (i, SB_WIDTH_MAXIMUM); |
231 | |
187 | |
232 | # if defined(RXVT_SCROLLBAR) |
188 | # ifdef RXVT_SCROLLBAR |
233 | if (! (options & Opt_scrollBar_floating) && style == R_SB_RXVT) |
189 | if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT) |
234 | sb_shadow = SHADOW; |
190 | shadow = SHADOW_WIDTH; |
235 | # endif |
191 | # endif |
236 | |
192 | |
237 | scrollBar.style = style; |
|
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238 | scrollBar.width = width; |
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239 | |
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240 | /* scrollbar_align = R_SB_ALIGN_CENTRE; */ |
193 | /* align = R_SB_ALIGN_CENTRE; */ |
241 | if (scrollalign) |
194 | if (scrollalign) |
242 | { |
195 | { |
243 | if (strncasecmp (scrollalign, "top", 3) == 0) |
196 | if (strncasecmp (scrollalign, "top", 3) == 0) |
244 | scrollbar_align = R_SB_ALIGN_TOP; |
197 | align = R_SB_ALIGN_TOP; |
245 | else if (strncasecmp (scrollalign, "bottom", 6) == 0) |
198 | else if (strncasecmp (scrollalign, "bottom", 6) == 0) |
246 | scrollbar_align = R_SB_ALIGN_BOTTOM; |
199 | align = R_SB_ALIGN_BOTTOM; |
|
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200 | } |
|
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201 | last_state = STATE_OFF; |
|
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202 | /* cursor scrollBar: Black-on-White */ |
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203 | leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr); |
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204 | } |
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205 | |
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206 | void |
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207 | scrollBar_t::destroy () |
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208 | { |
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209 | #ifdef XTERM_SCROLLBAR |
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210 | if (xscrollbarGC) XFreeGC (term->dpy, xscrollbarGC); |
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211 | if (ShadowGC) XFreeGC (term->dpy, ShadowGC); |
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212 | #endif |
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213 | #ifdef PLAIN_SCROLLBAR |
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214 | if (pscrollbarGC) XFreeGC (term->dpy, pscrollbarGC); |
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215 | #endif |
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216 | #ifdef NEXT_SCROLLBAR |
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217 | if (blackGC) XFreeGC (term->dpy, blackGC); |
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218 | if (whiteGC) XFreeGC (term->dpy, whiteGC); |
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219 | if (grayGC) XFreeGC (term->dpy, grayGC); |
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220 | if (darkGC) XFreeGC (term->dpy, darkGC); |
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221 | if (stippleGC) XFreeGC (term->dpy, stippleGC); |
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222 | if (dimple) XFreePixmap (term->dpy, dimple); |
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223 | if (upArrow) XFreePixmap (term->dpy, upArrow); |
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224 | if (downArrow) XFreePixmap (term->dpy, downArrow); |
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225 | if (upArrowHi) XFreePixmap (term->dpy, upArrowHi); |
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226 | if (downArrowHi) XFreePixmap (term->dpy, downArrowHi); |
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227 | #endif |
|
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228 | #ifdef RXVT_SCROLLBAR |
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229 | if (topShadowGC) XFreeGC (term->dpy, topShadowGC); |
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230 | if (botShadowGC) XFreeGC (term->dpy, botShadowGC); |
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231 | if (scrollbarGC) XFreeGC (term->dpy, scrollbarGC); |
|
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232 | #endif |
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233 | } |
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234 | |
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235 | void |
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236 | scrollBar_t::update_data () |
|
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237 | { |
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238 | #if defined(PLAIN_SCROLLBAR) |
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239 | if (style == R_SB_PLAIN) |
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240 | { |
|
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241 | beg = 0; |
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242 | end = term->szHint.height; |
|
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243 | update = &scrollBar_t::show_plain; |
|
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244 | } |
|
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245 | #endif |
|
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246 | #if defined(XTERM_SCROLLBAR) |
|
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247 | if (style == R_SB_XTERM) |
|
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248 | { |
|
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249 | beg = 0; |
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250 | end = term->szHint.height; |
|
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251 | update = &scrollBar_t::show_xterm; |
|
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252 | } |
|
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253 | #endif |
|
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254 | #if defined(NEXT_SCROLLBAR) |
|
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255 | if (style == R_SB_NEXT) |
|
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256 | { |
|
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257 | beg = 0; |
|
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258 | end = term->szHint.height - (SB_BUTTON_TOTAL_HEIGHT + SB_PADDING); |
|
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259 | update = &scrollBar_t::show_next; |
|
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260 | } |
|
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261 | #endif |
|
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262 | #if defined(RXVT_SCROLLBAR) |
|
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263 | if (style == R_SB_RXVT) |
|
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264 | { |
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265 | beg = (width + 1) + shadow; |
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266 | end = term->szHint.height - beg - (2 * shadow); |
|
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267 | update = &scrollBar_t::show_rxvt; |
247 | } |
268 | } |
248 | #endif |
269 | #endif |
249 | } |
270 | } |
250 | |
271 | |
251 | /*----------------------- end-of-file (C source) -----------------------*/ |
272 | /*----------------------- end-of-file (C source) -----------------------*/ |