1 | /*--------------------------------*-C-*---------------------------------* |
1 | /*--------------------------------*-C-*---------------------------------* |
2 | * File: scrollbar.c |
2 | * File: scrollbar.C |
3 | *----------------------------------------------------------------------* |
3 | *----------------------------------------------------------------------* |
4 | * $Id: scrollbar.C,v 1.7 2003/12/18 14:11:47 pcg Exp $ |
|
|
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> |
|
|
9 | * Copyright (c) 2004 Marc Lehmann <pcg@goof.com> |
10 | * |
10 | * |
11 | * This program is free software; you can redistribute it and/or modify |
11 | * This program is free software; you can redistribute it and/or modify |
12 | * it under the terms of the GNU General Public License as published by |
12 | * it under the terms of the GNU General Public License as published by |
13 | * the Free Software Foundation; either version 2 of the License, or |
13 | * the Free Software Foundation; either version 2 of the License, or |
14 | * (at your option) any later version. |
14 | * (at your option) any later version. |
… | |
… | |
23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
24 | *----------------------------------------------------------------------*/ |
24 | *----------------------------------------------------------------------*/ |
25 | |
25 | |
26 | #include "../config.h" /* NECESSARY */ |
26 | #include "../config.h" /* NECESSARY */ |
27 | #include "rxvt.h" /* NECESSARY */ |
27 | #include "rxvt.h" /* NECESSARY */ |
28 | #include "scrollbar.intpro" /* PROTOS for internal routines */ |
|
|
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 */ |
|
|
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 | |
38 | |
41 | #ifdef HAVE_SCROLLBARS |
39 | #ifdef HAVE_SCROLLBARS |
42 | if (map && !scrollbar_visible(R)) { |
40 | if (map) |
|
|
41 | { |
43 | R->scrollBar.setIdle (); |
42 | scrollBar.setIdle (); |
|
|
43 | |
44 | if (!R->scrollBar.win) |
44 | if (!scrollBar.win) |
45 | R->resize_scrollbar (); |
45 | resize_scrollbar (); |
|
|
46 | |
46 | if (R->scrollBar.win) { |
47 | if (scrollBar.win) |
|
|
48 | { |
47 | XMapWindow(R->Xdisplay, R->scrollBar.win); |
49 | XMapWindow (display->display, scrollBar.win); |
|
|
50 | change = 1; |
|
|
51 | } |
|
|
52 | } |
|
|
53 | else |
|
|
54 | { |
|
|
55 | scrollBar.state = 0; |
|
|
56 | XUnmapWindow (display->display, scrollBar.win); |
48 | change = 1; |
57 | change = 1; |
49 | } |
|
|
50 | } else if (!map && scrollbar_visible(R)) { |
|
|
51 | R->scrollBar.state = 0; |
|
|
52 | XUnmapWindow(R->Xdisplay, R->scrollBar.win); |
|
|
53 | change = 1; |
|
|
54 | } |
58 | } |
55 | #endif |
59 | #endif |
56 | return change; |
60 | return change; |
57 | } |
61 | } |
58 | |
62 | |
59 | void |
63 | void |
60 | rxvt_term::resize_scrollbar () |
64 | rxvt_term::resize_scrollbar () |
61 | { |
65 | { |
62 | #ifdef HAVE_SCROLLBARS |
66 | #ifdef HAVE_SCROLLBARS |
63 | int delayed_init = 0; |
67 | int delayed_init = 0; |
64 | |
68 | |
65 | #define R_SCROLLBEG_XTERM 0 |
69 | #define R_SCROLLBEG_XTERM 0 |
66 | #define R_SCROLLEND_XTERM szHint.height |
70 | #define R_SCROLLEND_XTERM szHint.height |
67 | #define R_SCROLLBEG_NEXT 0 |
71 | #define R_SCROLLBEG_NEXT 0 |
68 | #define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ |
72 | #define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ |
69 | SB_PADDING) |
73 | SB_PADDING) |
70 | #define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow |
74 | #define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow |
71 | #define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \ |
75 | #define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \ |
72 | (2 * sb_shadow) |
76 | (2 * sb_shadow) |
73 | |
77 | |
|
|
78 | #if defined(PLAIN_SCROLLBAR) |
|
|
79 | if (scrollBar.style == R_SB_PLAIN) |
|
|
80 | { |
|
|
81 | scrollBar.beg = R_SCROLLBEG_XTERM; |
|
|
82 | scrollBar.end = R_SCROLLEND_XTERM; |
|
|
83 | scrollBar.update = &rxvt_term::scrollbar_show_plain; |
|
|
84 | } |
|
|
85 | #endif |
74 | #if defined(XTERM_SCROLLBAR) |
86 | #if defined(XTERM_SCROLLBAR) |
75 | if (scrollBar.style == R_SB_XTERM) { |
87 | if (scrollBar.style == R_SB_XTERM) |
|
|
88 | { |
76 | scrollBar.beg = R_SCROLLBEG_XTERM; |
89 | scrollBar.beg = R_SCROLLBEG_XTERM; |
77 | scrollBar.end = R_SCROLLEND_XTERM; |
90 | scrollBar.end = R_SCROLLEND_XTERM; |
78 | scrollBar.update = rxvt_scrollbar_show_xterm; |
91 | scrollBar.update = &rxvt_term::scrollbar_show_xterm; |
79 | } |
92 | } |
80 | #endif |
93 | #endif |
81 | #if defined(NEXT_SCROLLBAR) |
94 | #if defined(NEXT_SCROLLBAR) |
82 | if (scrollBar.style == R_SB_NEXT) { |
95 | if (scrollBar.style == R_SB_NEXT) |
|
|
96 | { |
83 | scrollBar.beg = R_SCROLLBEG_NEXT; |
97 | scrollBar.beg = R_SCROLLBEG_NEXT; |
84 | scrollBar.end = R_SCROLLEND_NEXT; |
98 | scrollBar.end = R_SCROLLEND_NEXT; |
85 | scrollBar.update = rxvt_scrollbar_show_next; |
99 | scrollBar.update = &rxvt_term::scrollbar_show_next; |
86 | } |
100 | } |
87 | #endif |
101 | #endif |
88 | #if defined(RXVT_SCROLLBAR) |
102 | #if defined(RXVT_SCROLLBAR) |
89 | if (scrollBar.style == R_SB_RXVT) { |
103 | if (scrollBar.style == R_SB_RXVT) |
|
|
104 | { |
90 | scrollBar.beg = R_SCROLLBEG_RXVT; |
105 | scrollBar.beg = R_SCROLLBEG_RXVT; |
91 | scrollBar.end = R_SCROLLEND_RXVT; |
106 | scrollBar.end = R_SCROLLEND_RXVT; |
92 | scrollBar.update = rxvt_scrollbar_show_rxvt; |
107 | scrollBar.update = &rxvt_term::scrollbar_show_rxvt; |
93 | } |
108 | } |
94 | #endif |
109 | #endif |
95 | |
110 | |
96 | if (!scrollBar.win) { |
111 | if (!scrollBar.win) |
|
|
112 | { |
97 | /* create the scrollbar window */ |
113 | /* create the scrollbar window */ |
98 | scrollBar.win = XCreateSimpleWindow(Xdisplay, |
114 | scrollBar.win = XCreateSimpleWindow (display->display, |
99 | TermWin.parent[0], |
115 | TermWin.parent[0], |
100 | window_sb_x, 0, |
116 | window_sb_x, 0, |
101 | scrollbar_TotalWidth(), |
117 | scrollbar_TotalWidth (), |
102 | szHint.height, |
118 | szHint.height, |
103 | 0, |
119 | 0, |
104 | PixColors[Color_fg], |
120 | pix_colors[Color_fg], |
105 | PixColors[Color_bg]); |
121 | pix_colors[Color_border]); |
106 | #ifdef DEBUG_X |
122 | #ifdef DEBUG_X |
107 | XStoreName(Xdisplay, scrollBar.win, "scrollbar"); |
123 | XStoreName (display->display, scrollBar.win, "scrollbar"); |
108 | #endif |
124 | #endif |
109 | XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor); |
125 | XDefineCursor (display->display, scrollBar.win, leftptr_cursor); |
|
|
126 | |
110 | XSelectInput(Xdisplay, scrollBar.win, |
127 | XSelectInput (display->display, scrollBar.win, |
111 | (ExposureMask | ButtonPressMask | ButtonReleaseMask |
128 | ExposureMask | ButtonPressMask | ButtonReleaseMask |
112 | | Button1MotionMask | Button2MotionMask |
129 | | Button1MotionMask | Button2MotionMask |
113 | | Button3MotionMask)); |
130 | | Button3MotionMask); |
|
|
131 | scrollbar_ev.start (display, scrollBar.win); |
|
|
132 | |
114 | delayed_init = 1; |
133 | delayed_init = 1; |
115 | } |
134 | } |
|
|
135 | |
116 | rxvt_scrollbar_show (this, 1); |
136 | scrollbar_show (1); |
|
|
137 | |
117 | if (delayed_init) |
138 | if (delayed_init) |
118 | XMapWindow (Xdisplay, scrollBar.win); |
139 | XMapWindow (display->display, scrollBar.win); |
119 | #endif |
140 | #endif |
120 | } |
141 | } |
121 | |
142 | |
122 | /* |
143 | /* |
123 | * Update current scrollbar view w.r.t. slider heights, etc. |
144 | * Update current scrollbar view w.r.t. slider heights, etc. |
124 | */ |
145 | */ |
125 | /* EXTPROTO */ |
|
|
126 | int |
146 | int |
127 | rxvt_scrollbar_show(pR_ int update) |
147 | rxvt_term::scrollbar_show (int update) |
128 | { |
148 | { |
129 | int ret = 0; |
149 | int ret = 0; |
130 | #ifdef HAVE_SCROLLBARS |
150 | #ifdef HAVE_SCROLLBARS |
131 | int top, bot, len, adj; |
151 | int top, bot, len, adj; |
132 | |
152 | |
133 | if (!scrollbar_visible(R)) |
153 | if (!scrollbar_visible ()) |
134 | return 0; |
|
|
135 | |
|
|
136 | if (update) { |
|
|
137 | top = (R->TermWin.nscrolled - R->TermWin.view_start); |
|
|
138 | bot = top + (R->TermWin.nrow - 1); |
|
|
139 | len = max((R->TermWin.nscrolled + (R->TermWin.nrow - 1)), 1); |
|
|
140 | adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0; |
|
|
141 | |
|
|
142 | R->scrollBar.top = (R->scrollBar.beg + (top * scrollbar_size()) / len); |
|
|
143 | R->scrollbar_len = ((bot - top) * scrollbar_size()) / len + |
|
|
144 | scrollbar_minheight() + adj; |
|
|
145 | R->scrollBar.bot = (R->scrollBar.top + R->scrollbar_len); |
|
|
146 | /* no change */ |
|
|
147 | if (R->scrollBar.top == R->last_top |
|
|
148 | && R->scrollBar.bot == R->last_bot |
|
|
149 | && (R->scrollBar.state == R->last_state || !scrollbar_isUpDn())) |
|
|
150 | return 0; |
154 | return 0; |
|
|
155 | |
|
|
156 | if (update) |
151 | } |
157 | { |
|
|
158 | top = (TermWin.nscrolled - TermWin.view_start); |
|
|
159 | bot = top + (TermWin.nrow - 1); |
|
|
160 | len = max ((TermWin.nscrolled + (TermWin.nrow - 1)), 1); |
|
|
161 | adj = (((bot - top) * scrollbar_size ()) % len) > 0 ? 1 : 0; |
152 | |
162 | |
153 | ret = R->scrollBar.update(aR_ update, R->last_top, R->last_bot, |
163 | scrollBar.top = (scrollBar.beg + (top * scrollbar_size ()) / len); |
154 | R->scrollbar_len); |
164 | scrollbar_len = ((bot - top) * scrollbar_size ()) / len + |
|
|
165 | scrollbar_minheight () + adj; |
|
|
166 | scrollBar.bot = (scrollBar.top + scrollbar_len); |
|
|
167 | /* no change */ |
|
|
168 | if (scrollBar.top == last_top |
|
|
169 | && scrollBar.bot == last_bot |
|
|
170 | && (scrollBar.state == last_state || !scrollbar_isUpDn ())) |
|
|
171 | return 0; |
|
|
172 | } |
155 | |
173 | |
|
|
174 | ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); |
|
|
175 | |
156 | R->last_top = R->scrollBar.top; |
176 | last_top = scrollBar.top; |
157 | R->last_bot = R->scrollBar.bot; |
177 | last_bot = scrollBar.bot; |
158 | R->last_state = R->scrollBar.state; |
178 | last_state = scrollBar.state; |
159 | #endif |
179 | #endif |
160 | |
180 | |
161 | return ret; |
181 | return ret; |
162 | } |
182 | } |
163 | |
183 | |
164 | /* EXTPROTO */ |
|
|
165 | void |
184 | void |
166 | rxvt_setup_scrollbar(pR_ const char *scrollalign, const char *scrollstyle, const char *thickness) |
185 | rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) |
167 | { |
186 | { |
168 | #ifdef HAVE_SCROLLBARS |
187 | #ifdef HAVE_SCROLLBARS |
169 | int i; |
188 | int i; |
170 | short style, width; |
189 | short style, width; |
171 | |
190 | |
172 | # if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) |
191 | # if defined(RXVT_SCROLLBAR) |
173 | style = R_SB_RXVT; |
192 | style = R_SB_RXVT; |
|
|
193 | # elif defined(XTERM_SCROLLBAR) |
|
|
194 | style = R_SB_XTERM; |
|
|
195 | # elif defined(NEXT_SCROLLBAR) |
|
|
196 | style = R_SB_NEXT; |
|
|
197 | # elif defined(PLAIN_SCROLLBAR) |
|
|
198 | style = R_SB_PLAIN; |
174 | # else |
199 | #else |
|
|
200 | style = R_SB_RXVT; |
|
|
201 | # endif |
|
|
202 | |
|
|
203 | # if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)) |
|
|
204 | if (scrollstyle) |
|
|
205 | { |
175 | # ifdef NEXT_SCROLLBAR |
206 | # ifdef NEXT_SCROLLBAR |
|
|
207 | if (strncasecmp (scrollstyle, "next", 4) == 0) |
176 | style = R_SB_NEXT; |
208 | style = R_SB_NEXT; |
177 | # elif defined(XTERM_SCROLLBAR) |
|
|
178 | style = R_SB_XTERM; |
|
|
179 | # endif |
|
|
180 | # endif |
|
|
181 | |
|
|
182 | # if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) |
|
|
183 | if (scrollstyle) { |
|
|
184 | # ifdef NEXT_SCROLLBAR |
|
|
185 | if (STRNCASECMP(scrollstyle, "next", 4) == 0) |
|
|
186 | style = R_SB_NEXT; |
|
|
187 | # endif |
209 | # endif |
188 | # ifdef XTERM_SCROLLBAR |
210 | # ifdef XTERM_SCROLLBAR |
189 | if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) |
211 | if (strncasecmp (scrollstyle, "xterm", 5) == 0) |
190 | style = R_SB_XTERM; |
212 | style = R_SB_XTERM; |
191 | # endif |
213 | # endif |
|
|
214 | # ifdef PLAIN_SCROLLBAR |
|
|
215 | if (strncasecmp (scrollstyle, "plain", 5) == 0) |
|
|
216 | style = R_SB_PLAIN; |
|
|
217 | # endif |
|
|
218 | |
192 | } |
219 | } |
193 | # endif |
220 | # endif |
194 | if (style == R_SB_NEXT) |
221 | if (style == R_SB_NEXT) |
195 | width = SB_WIDTH_NEXT; |
222 | width = SB_WIDTH_NEXT; |
196 | else if (style == R_SB_XTERM) |
223 | else if (style == R_SB_XTERM) |
197 | width = SB_WIDTH_XTERM; |
224 | width = SB_WIDTH_XTERM; |
|
|
225 | else if (style == R_SB_PLAIN) |
|
|
226 | width = SB_WIDTH_PLAIN; |
198 | else /* if (style == R_SB_RXVT) */ |
227 | else /* if (style == R_SB_RXVT) */ |
199 | width = SB_WIDTH_RXVT; |
228 | width = SB_WIDTH_RXVT; |
200 | |
229 | |
201 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
230 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
202 | if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) |
231 | if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM) |
203 | width = min(i, SB_WIDTH_MAXIMUM); |
232 | width = min (i, SB_WIDTH_MAXIMUM); |
204 | |
233 | |
205 | # if defined(RXVT_SCROLLBAR) |
234 | # if defined(RXVT_SCROLLBAR) |
206 | if (!(R->Options & Opt_scrollBar_floating) && style == R_SB_RXVT) |
235 | if (! (options & Opt_scrollBar_floating) && style == R_SB_RXVT) |
207 | R->sb_shadow = SHADOW; |
236 | sb_shadow = SHADOW; |
208 | # endif |
237 | # endif |
209 | |
238 | |
210 | R->scrollBar.style = style; |
239 | scrollBar.style = style; |
211 | R->scrollBar.width = width; |
240 | scrollBar.width = width; |
212 | |
241 | |
213 | /* R->scrollbar_align = R_SB_ALIGN_CENTRE; */ |
242 | /* scrollbar_align = R_SB_ALIGN_CENTRE; */ |
214 | if (scrollalign) { |
243 | if (scrollalign) |
215 | if (STRNCASECMP(scrollalign, "top", 3) == 0) |
244 | { |
|
|
245 | if (strncasecmp (scrollalign, "top", 3) == 0) |
216 | R->scrollbar_align = R_SB_ALIGN_TOP; |
246 | scrollbar_align = R_SB_ALIGN_TOP; |
217 | else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) |
247 | else if (strncasecmp (scrollalign, "bottom", 6) == 0) |
218 | R->scrollbar_align = R_SB_ALIGN_BOTTOM; |
248 | scrollbar_align = R_SB_ALIGN_BOTTOM; |
219 | } |
249 | } |
220 | #endif |
250 | #endif |
221 | } |
251 | } |
222 | |
252 | |
223 | /*----------------------- end-of-file (C source) -----------------------*/ |
253 | /*----------------------- end-of-file (C source) -----------------------*/ |
|
|
254 | |