1 | /*--------------------------------*-C-*---------------------------------* |
1 | /*--------------------------------*-C-*---------------------------------* |
2 | * File: scrollbar.c |
2 | * File: scrollbar.c |
3 | *----------------------------------------------------------------------* |
3 | *----------------------------------------------------------------------* |
4 | * $Id: scrollbar.C,v 1.2 2003/11/24 17:31:28 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> |
… | |
… | |
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 | |
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39 | #ifdef HAVE_SCROLLBARS |
42 | if (map && !scrollbar_visible(R)) { |
40 | if (map && !scrollbar_visible()) { |
43 | scrollbar_setIdle(); |
41 | scrollBar.setIdle (); |
44 | if (!R->scrollBar.win) |
42 | if (!scrollBar.win) |
45 | rxvt_Resize_scrollBar(aR); |
43 | resize_scrollbar (); |
46 | if (R->scrollBar.win) { |
44 | if (scrollBar.win) { |
47 | XMapWindow(R->Xdisplay, R->scrollBar.win); |
45 | XMapWindow(Xdisplay, scrollBar.win); |
48 | change = 1; |
46 | change = 1; |
49 | } |
47 | } |
50 | } else if (!map && scrollbar_visible(R)) { |
48 | } else if (!map && scrollbar_visible()) { |
51 | R->scrollBar.state = 0; |
49 | scrollBar.state = 0; |
52 | XUnmapWindow(R->Xdisplay, R->scrollBar.win); |
50 | XUnmapWindow(Xdisplay, scrollBar.win); |
53 | change = 1; |
51 | change = 1; |
54 | } |
52 | } |
55 | #endif |
53 | #endif |
56 | return change; |
54 | return change; |
57 | } |
55 | } |
58 | |
56 | |
59 | /* EXTPROTO */ |
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60 | void |
57 | void |
61 | rxvt_Resize_scrollBar(pR) |
58 | rxvt_term::resize_scrollbar () |
62 | { |
59 | { |
63 | #ifdef HAVE_SCROLLBARS |
60 | #ifdef HAVE_SCROLLBARS |
64 | int delayed_init = 0; |
61 | int delayed_init = 0; |
65 | |
62 | |
66 | #define R_SCROLLBEG_XTERM 0 |
63 | #define R_SCROLLBEG_XTERM 0 |
67 | #define R_SCROLLEND_XTERM R->szHint.height |
64 | #define R_SCROLLEND_XTERM szHint.height |
68 | #define R_SCROLLBEG_NEXT 0 |
65 | #define R_SCROLLBEG_NEXT 0 |
69 | #define R_SCROLLEND_NEXT R->szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ |
66 | #define R_SCROLLEND_NEXT szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ |
70 | SB_PADDING) |
67 | SB_PADDING) |
71 | #define R_SCROLLBEG_RXVT (R->scrollBar.width + 1) + R->sb_shadow |
68 | #define R_SCROLLBEG_RXVT (scrollBar.width + 1) + sb_shadow |
72 | #define R_SCROLLEND_RXVT R->szHint.height - R_SCROLLBEG_RXVT - \ |
69 | #define R_SCROLLEND_RXVT szHint.height - R_SCROLLBEG_RXVT - \ |
73 | (2 * R->sb_shadow) |
70 | (2 * sb_shadow) |
74 | |
71 | |
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72 | #if defined(PLAIN_SCROLLBAR) |
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73 | if (scrollBar.style == R_SB_PLAIN) { |
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74 | scrollBar.beg = R_SCROLLBEG_XTERM; |
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75 | scrollBar.end = R_SCROLLEND_XTERM; |
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76 | scrollBar.update = &rxvt_term::scrollbar_show_plain; |
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77 | } |
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78 | #endif |
75 | #if defined(XTERM_SCROLLBAR) |
79 | #if defined(XTERM_SCROLLBAR) |
76 | if (R->scrollBar.style == R_SB_XTERM) { |
80 | if (scrollBar.style == R_SB_XTERM) { |
77 | R->scrollBar.beg = R_SCROLLBEG_XTERM; |
81 | scrollBar.beg = R_SCROLLBEG_XTERM; |
78 | R->scrollBar.end = R_SCROLLEND_XTERM; |
82 | scrollBar.end = R_SCROLLEND_XTERM; |
79 | R->scrollBar.update = rxvt_scrollbar_show_xterm; |
83 | scrollBar.update = &rxvt_term::scrollbar_show_xterm; |
80 | } |
84 | } |
81 | #endif |
85 | #endif |
82 | #if defined(NEXT_SCROLLBAR) |
86 | #if defined(NEXT_SCROLLBAR) |
83 | if (R->scrollBar.style == R_SB_NEXT) { |
87 | if (scrollBar.style == R_SB_NEXT) { |
84 | R->scrollBar.beg = R_SCROLLBEG_NEXT; |
88 | scrollBar.beg = R_SCROLLBEG_NEXT; |
85 | R->scrollBar.end = R_SCROLLEND_NEXT; |
89 | scrollBar.end = R_SCROLLEND_NEXT; |
86 | R->scrollBar.update = rxvt_scrollbar_show_next; |
90 | scrollBar.update = &rxvt_term::scrollbar_show_next; |
87 | } |
91 | } |
88 | #endif |
92 | #endif |
89 | #if defined(RXVT_SCROLLBAR) |
93 | #if defined(RXVT_SCROLLBAR) |
90 | if (R->scrollBar.style == R_SB_RXVT) { |
94 | if (scrollBar.style == R_SB_RXVT) { |
91 | R->scrollBar.beg = R_SCROLLBEG_RXVT; |
95 | scrollBar.beg = R_SCROLLBEG_RXVT; |
92 | R->scrollBar.end = R_SCROLLEND_RXVT; |
96 | scrollBar.end = R_SCROLLEND_RXVT; |
93 | R->scrollBar.update = rxvt_scrollbar_show_rxvt; |
97 | scrollBar.update = &rxvt_term::scrollbar_show_rxvt; |
94 | } |
98 | } |
95 | #endif |
99 | #endif |
96 | |
100 | |
97 | if (!R->scrollBar.win) { |
101 | if (!scrollBar.win) { |
98 | /* create the scrollbar window */ |
102 | /* create the scrollbar window */ |
99 | R->scrollBar.win = XCreateSimpleWindow(R->Xdisplay, |
103 | scrollBar.win = XCreateSimpleWindow(Xdisplay, |
100 | R->TermWin.parent[0], |
104 | TermWin.parent[0], |
101 | R->h->window_sb_x, 0, |
105 | window_sb_x, 0, |
102 | scrollbar_TotalWidth(), |
106 | scrollbar_TotalWidth(), |
103 | R->szHint.height, |
107 | szHint.height, |
104 | 0, |
108 | 0, |
105 | R->PixColors[Color_fg], |
109 | PixColors[Color_fg], |
106 | R->PixColors[Color_bg]); |
110 | PixColors[Color_bg]); |
107 | #ifdef DEBUG_X |
111 | #ifdef DEBUG_X |
108 | XStoreName(R->Xdisplay, R->scrollBar.win, "scrollbar"); |
112 | XStoreName(Xdisplay, scrollBar.win, "scrollbar"); |
109 | #endif |
113 | #endif |
110 | XDefineCursor(R->Xdisplay, R->scrollBar.win, R->h->pointer_leftptr); |
114 | XDefineCursor(Xdisplay, scrollBar.win, leftptr_cursor); |
111 | XSelectInput(R->Xdisplay, R->scrollBar.win, |
115 | XSelectInput(Xdisplay, scrollBar.win, |
112 | (ExposureMask | ButtonPressMask | ButtonReleaseMask |
116 | (ExposureMask | ButtonPressMask | ButtonReleaseMask |
113 | | Button1MotionMask | Button2MotionMask |
117 | | Button1MotionMask | Button2MotionMask |
114 | | Button3MotionMask)); |
118 | | Button3MotionMask)); |
115 | delayed_init = 1; |
119 | delayed_init = 1; |
116 | } |
120 | } |
117 | rxvt_scrollbar_show(aR_ 1); |
121 | scrollbar_show (1); |
118 | if (delayed_init) |
122 | if (delayed_init) |
119 | XMapWindow(R->Xdisplay, R->scrollBar.win); |
123 | XMapWindow (Xdisplay, scrollBar.win); |
120 | #endif |
124 | #endif |
121 | } |
125 | } |
122 | |
126 | |
123 | /* |
127 | /* |
124 | * Update current scrollbar view w.r.t. slider heights, etc. |
128 | * Update current scrollbar view w.r.t. slider heights, etc. |
125 | */ |
129 | */ |
126 | /* EXTPROTO */ |
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127 | int |
130 | int |
128 | rxvt_scrollbar_show(pR_ int update) |
131 | rxvt_term::scrollbar_show (int update) |
129 | { |
132 | { |
130 | int ret = 0; |
133 | int ret = 0; |
131 | #ifdef HAVE_SCROLLBARS |
134 | #ifdef HAVE_SCROLLBARS |
132 | int top, bot, len, adj; |
135 | int top, bot, len, adj; |
133 | |
136 | |
134 | if (!scrollbar_visible(R)) |
137 | if (!scrollbar_visible()) |
135 | return 0; |
138 | return 0; |
136 | |
139 | |
137 | if (update) { |
140 | if (update) { |
138 | top = (R->TermWin.nscrolled - R->TermWin.view_start); |
141 | top = (TermWin.nscrolled - TermWin.view_start); |
139 | bot = top + (R->TermWin.nrow - 1); |
142 | bot = top + (TermWin.nrow - 1); |
140 | len = max((R->TermWin.nscrolled + (R->TermWin.nrow - 1)), 1); |
143 | len = max((TermWin.nscrolled + (TermWin.nrow - 1)), 1); |
141 | adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0; |
144 | adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0; |
142 | |
145 | |
143 | R->scrollBar.top = (R->scrollBar.beg + (top * scrollbar_size()) / len); |
146 | scrollBar.top = (scrollBar.beg + (top * scrollbar_size()) / len); |
144 | R->h->scrollbar_len = ((bot - top) * scrollbar_size()) / len + |
147 | scrollbar_len = ((bot - top) * scrollbar_size()) / len + |
145 | scrollbar_minheight() + adj; |
148 | scrollbar_minheight() + adj; |
146 | R->scrollBar.bot = (R->scrollBar.top + R->h->scrollbar_len); |
149 | scrollBar.bot = (scrollBar.top + scrollbar_len); |
147 | /* no change */ |
150 | /* no change */ |
148 | if (R->scrollBar.top == R->h->last_top |
151 | if (scrollBar.top == last_top |
149 | && R->scrollBar.bot == R->h->last_bot |
152 | && scrollBar.bot == last_bot |
150 | && (R->scrollBar.state == R->h->last_state || !scrollbar_isUpDn())) |
153 | && (scrollBar.state == last_state || !scrollbar_isUpDn())) |
151 | return 0; |
154 | return 0; |
152 | } |
155 | } |
153 | |
156 | |
154 | ret = R->scrollBar.update(aR_ update, R->h->last_top, R->h->last_bot, |
157 | ret = (this->*scrollBar.update) (update, last_top, last_bot, scrollbar_len); |
155 | R->h->scrollbar_len); |
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156 | |
158 | |
157 | R->h->last_top = R->scrollBar.top; |
159 | last_top = scrollBar.top; |
158 | R->h->last_bot = R->scrollBar.bot; |
160 | last_bot = scrollBar.bot; |
159 | R->h->last_state = R->scrollBar.state; |
161 | last_state = scrollBar.state; |
160 | |
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161 | #endif |
162 | #endif |
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163 | |
162 | return ret; |
164 | return ret; |
163 | } |
165 | } |
164 | |
166 | |
165 | /* EXTPROTO */ |
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166 | void |
167 | void |
167 | rxvt_setup_scrollbar(pR_ const char *scrollalign, const char *scrollstyle, const char *thickness) |
168 | rxvt_term::setup_scrollbar (const char *scrollalign, const char *scrollstyle, const char *thickness) |
168 | { |
169 | { |
169 | #ifdef HAVE_SCROLLBARS |
170 | #ifdef HAVE_SCROLLBARS |
170 | int i; |
171 | int i; |
171 | short style, width; |
172 | short style, width; |
172 | |
173 | |
173 | # if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) |
174 | # if defined(RXVT_SCROLLBAR) |
174 | style = R_SB_RXVT; |
175 | style = R_SB_RXVT; |
175 | # else |
176 | # elif defined(XTERM_SCROLLBAR) |
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177 | style = R_SB_XTERM; |
176 | # ifdef NEXT_SCROLLBAR |
178 | # elif defined(NEXT_SCROLLBAR) |
177 | style = R_SB_NEXT; |
179 | style = R_SB_NEXT; |
178 | # elif defined(XTERM_SCROLLBAR) |
180 | # elif defined(PLAIN_SCROLLBAR) |
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181 | style = R_SB_PLAIN; |
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182 | #else |
179 | style = R_SB_XTERM; |
183 | style = R_SB_RXVT; |
180 | # endif |
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181 | # endif |
184 | # endif |
182 | |
185 | |
183 | # if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) |
186 | # if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)) |
184 | if (scrollstyle) { |
187 | if (scrollstyle) { |
185 | # ifdef NEXT_SCROLLBAR |
188 | # ifdef NEXT_SCROLLBAR |
186 | if (STRNCASECMP(scrollstyle, "next", 4) == 0) |
189 | if (STRNCASECMP(scrollstyle, "next", 4) == 0) |
187 | style = R_SB_NEXT; |
190 | style = R_SB_NEXT; |
188 | # endif |
191 | # endif |
189 | # ifdef XTERM_SCROLLBAR |
192 | # ifdef XTERM_SCROLLBAR |
190 | if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) |
193 | if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) |
191 | style = R_SB_XTERM; |
194 | style = R_SB_XTERM; |
192 | # endif |
195 | # endif |
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196 | # ifdef PLAIN_SCROLLBAR |
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197 | if (STRNCASECMP(scrollstyle, "plain", 5) == 0) |
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198 | style = R_SB_PLAIN; |
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199 | # endif |
193 | } |
200 | } |
194 | # endif |
201 | # endif |
195 | if (style == R_SB_NEXT) |
202 | if (style == R_SB_NEXT) |
196 | width = SB_WIDTH_NEXT; |
203 | width = SB_WIDTH_NEXT; |
197 | else if (style == R_SB_XTERM) |
204 | else if (style == R_SB_XTERM) |
198 | width = SB_WIDTH_XTERM; |
205 | width = SB_WIDTH_XTERM; |
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206 | else if (style == R_SB_PLAIN) |
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207 | width = SB_WIDTH_PLAIN; |
199 | else /* if (style == R_SB_RXVT) */ |
208 | else /* if (style == R_SB_RXVT) */ |
200 | width = SB_WIDTH_RXVT; |
209 | width = SB_WIDTH_RXVT; |
201 | |
210 | |
202 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
211 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
203 | if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) |
212 | if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) |
204 | width = min(i, SB_WIDTH_MAXIMUM); |
213 | width = min(i, SB_WIDTH_MAXIMUM); |
205 | |
214 | |
206 | # if defined(RXVT_SCROLLBAR) |
215 | # if defined(RXVT_SCROLLBAR) |
207 | if (!(R->Options & Opt_scrollBar_floating) && style == R_SB_RXVT) |
216 | if (!(Options & Opt_scrollBar_floating) && style == R_SB_RXVT) |
208 | R->sb_shadow = SHADOW; |
217 | sb_shadow = SHADOW; |
209 | # endif |
218 | # endif |
210 | |
219 | |
211 | R->scrollBar.style = style; |
220 | scrollBar.style = style; |
212 | R->scrollBar.width = width; |
221 | scrollBar.width = width; |
213 | |
222 | |
214 | /* R->h->scrollbar_align = R_SB_ALIGN_CENTRE; */ |
223 | /* scrollbar_align = R_SB_ALIGN_CENTRE; */ |
215 | if (scrollalign) { |
224 | if (scrollalign) { |
216 | if (STRNCASECMP(scrollalign, "top", 3) == 0) |
225 | if (STRNCASECMP(scrollalign, "top", 3) == 0) |
217 | R->h->scrollbar_align = R_SB_ALIGN_TOP; |
226 | scrollbar_align = R_SB_ALIGN_TOP; |
218 | else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) |
227 | else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) |
219 | R->h->scrollbar_align = R_SB_ALIGN_BOTTOM; |
228 | scrollbar_align = R_SB_ALIGN_BOTTOM; |
220 | } |
229 | } |
221 | #endif |
230 | #endif |
222 | } |
231 | } |
223 | |
232 | |
224 | /*----------------------- end-of-file (C source) -----------------------*/ |
233 | /*----------------------- end-of-file (C source) -----------------------*/ |
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234 | |