1 | /*--------------------------------*-C-*---------------------------------* |
1 | /*----------------------------------------------------------------------* |
2 | * File: scrollbar.c |
2 | * File: scrollbar.C |
3 | *----------------------------------------------------------------------* |
3 | *----------------------------------------------------------------------* |
4 | * $Id: scrollbar.C,v 1.5 2003/12/18 05:45:11 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 <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. |
… | |
… | |
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 */ |
34 | void |
36 | int |
35 | scrollBar_t::map (int map) |
37 | rxvt_scrollbar_mapping(pR_ int map) |
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38 | { |
36 | { |
39 | int change = 0; |
37 | if (map) |
40 | #ifdef HAVE_SCROLLBARS |
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41 | |
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42 | if (map && !scrollbar_visible(R)) { |
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43 | R->scrollBar.setIdle (); |
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44 | if (!R->scrollBar.win) |
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45 | rxvt_Resize_scrollBar(aR); |
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46 | if (R->scrollBar.win) { |
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47 | XMapWindow(R->Xdisplay, R->scrollBar.win); |
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48 | change = 1; |
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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 | } |
38 | { |
55 | #endif |
39 | state = STATE_IDLE; |
56 | return change; |
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57 | } |
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58 | |
40 | |
59 | /* EXTPROTO */ |
41 | if (!win) |
60 | void |
42 | resize (); |
61 | rxvt_Resize_scrollBar(pR) |
43 | else |
62 | { |
44 | XMapWindow (term->dpy, win); |
63 | #ifdef HAVE_SCROLLBARS |
45 | } |
64 | int delayed_init = 0; |
46 | else |
65 | |
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66 | #define R_SCROLLBEG_XTERM 0 |
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67 | #define R_SCROLLEND_XTERM R->szHint.height |
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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 | |
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75 | #if defined(XTERM_SCROLLBAR) |
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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 | } |
47 | { |
81 | #endif |
48 | state = STATE_OFF; |
82 | #if defined(NEXT_SCROLLBAR) |
49 | |
83 | if (R->scrollBar.style == R_SB_NEXT) { |
50 | if (win) |
84 | R->scrollBar.beg = R_SCROLLBEG_NEXT; |
51 | XUnmapWindow (term->dpy, win); |
85 | R->scrollBar.end = R_SCROLLEND_NEXT; |
52 | } |
86 | R->scrollBar.update = rxvt_scrollbar_show_next; |
53 | } |
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54 | |
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55 | void |
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56 | scrollBar_t::resize () |
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57 | { |
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58 | int delayed_init = 0; |
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59 | int window_sb_x = 0; |
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60 | |
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61 | if (term->option (Opt_scrollBar_right)) |
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62 | window_sb_x = term->szHint.width - total_width (); |
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63 | |
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64 | update_data (); |
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65 | |
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66 | if (!win) |
87 | } |
67 | { |
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 | |
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97 | if (!R->scrollBar.win) { |
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98 | /* create the scrollbar window */ |
68 | /* create the scrollbar window */ |
99 | R->scrollBar.win = XCreateSimpleWindow(R->Xdisplay, |
69 | win = XCreateSimpleWindow (term->dpy, |
100 | R->TermWin.parent[0], |
70 | term->parent, |
101 | R->window_sb_x, 0, |
71 | window_sb_x, 0, |
102 | scrollbar_TotalWidth(), |
72 | total_width (), |
103 | R->szHint.height, |
73 | term->szHint.height, |
104 | 0, |
74 | 0, |
105 | R->PixColors[Color_fg], |
75 | term->pix_colors[Color_fg], |
106 | R->PixColors[Color_bg]); |
76 | term->pix_colors[Color_border]); |
107 | #ifdef DEBUG_X |
77 | XDefineCursor (term->dpy, win, leftptr_cursor); |
108 | XStoreName(R->Xdisplay, R->scrollBar.win, "scrollbar"); |
78 | |
109 | #endif |
79 | XSelectInput (term->dpy, win, |
110 | XDefineCursor(R->Xdisplay, R->scrollBar.win, R->leftptr_cursor); |
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111 | XSelectInput(R->Xdisplay, R->scrollBar.win, |
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112 | (ExposureMask | ButtonPressMask | ButtonReleaseMask |
80 | ExposureMask | ButtonPressMask | ButtonReleaseMask |
113 | | Button1MotionMask | Button2MotionMask |
81 | | Button1MotionMask | Button2MotionMask |
114 | | Button3MotionMask)); |
82 | | Button3MotionMask); |
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83 | term->scrollbar_ev.start (term->display, win); |
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84 | |
115 | delayed_init = 1; |
85 | delayed_init = 1; |
116 | } |
86 | } |
117 | rxvt_scrollbar_show(aR_ 1); |
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); |
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91 | |
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92 | show (1); |
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93 | |
118 | if (delayed_init) |
94 | if (delayed_init) |
119 | XMapWindow(R->Xdisplay, R->scrollBar.win); |
95 | XMapWindow (term->dpy, win); |
120 | #endif |
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121 | } |
96 | } |
122 | |
97 | |
123 | /* |
98 | /* |
124 | * Update current scrollbar view w.r.t. slider heights, etc. |
99 | * Update current scrollbar view w.r.t. slider heights, etc. |
125 | */ |
100 | */ |
126 | /* EXTPROTO */ |
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127 | int |
101 | int |
128 | rxvt_scrollbar_show(pR_ int update) |
102 | scrollBar_t::show (int refresh) |
129 | { |
103 | { |
130 | int ret = 0; |
104 | int ret; |
131 | #ifdef HAVE_SCROLLBARS |
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132 | int top, bot, len, adj; |
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133 | |
105 | |
134 | if (!scrollbar_visible(R)) |
106 | if (!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; |
107 | return 0; |
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108 | |
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109 | if (refresh) |
152 | } |
110 | { |
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111 | int sb_top = term->view_start - term->top_row; |
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112 | int sb_bot = sb_top + (term->nrow - 1); |
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113 | int sb_len = max (term->nrow - 1 - term->top_row, 1); |
153 | |
114 | |
154 | ret = R->scrollBar.update(aR_ update, R->last_top, R->last_bot, |
115 | top = beg + (sb_top * size ()) / sb_len; |
155 | R->scrollbar_len); |
116 | bot = top + ecb_div_ru ((sb_bot - sb_top) * size (), sb_len) + min_height (); |
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117 | /* no change */ |
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118 | if (top == last_top |
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119 | && bot == last_bot |
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120 | && (state == last_state |
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121 | || !(state == STATE_UP || state == STATE_DOWN))) |
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122 | return 0; |
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123 | } |
156 | |
124 | |
157 | R->last_top = R->scrollBar.top; |
125 | ret = (this->*update) (refresh); |
158 | R->last_bot = R->scrollBar.bot; |
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159 | R->last_state = R->scrollBar.state; |
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160 | |
126 | |
161 | #endif |
127 | last_top = top; |
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128 | last_bot = bot; |
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129 | last_state = state; |
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130 | |
162 | return ret; |
131 | return ret; |
163 | } |
132 | } |
164 | |
133 | |
165 | /* EXTPROTO */ |
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166 | void |
134 | void |
167 | rxvt_setup_scrollbar(pR_ const char *scrollalign, const char *scrollstyle, const char *thickness) |
135 | scrollBar_t::setup (rxvt_term *term) |
168 | { |
136 | { |
169 | #ifdef HAVE_SCROLLBARS |
137 | int i; |
170 | int i; |
138 | const char *scrollalign, *scrollstyle, *thickness; |
171 | short style, width; |
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172 | |
139 | |
173 | # if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) |
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]; |
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144 | |
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145 | # if defined(RXVT_SCROLLBAR) |
174 | style = R_SB_RXVT; |
146 | style = R_SB_RXVT; |
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147 | # elif defined(XTERM_SCROLLBAR) |
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148 | style = R_SB_XTERM; |
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149 | # elif defined(NEXT_SCROLLBAR) |
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150 | style = R_SB_NEXT; |
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151 | # elif defined(PLAIN_SCROLLBAR) |
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152 | style = R_SB_PLAIN; |
175 | # else |
153 | #else |
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154 | style = R_SB_RXVT; |
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155 | # endif |
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156 | |
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157 | # if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)) |
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158 | if (scrollstyle) |
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159 | { |
176 | # ifdef NEXT_SCROLLBAR |
160 | # ifdef NEXT_SCROLLBAR |
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161 | if (strncasecmp (scrollstyle, "next", 4) == 0) |
177 | style = R_SB_NEXT; |
162 | 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 |
163 | # endif |
189 | # ifdef XTERM_SCROLLBAR |
164 | # ifdef XTERM_SCROLLBAR |
190 | if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) |
165 | if (strncasecmp (scrollstyle, "xterm", 5) == 0) |
191 | style = R_SB_XTERM; |
166 | style = R_SB_XTERM; |
192 | # endif |
167 | # endif |
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168 | # ifdef PLAIN_SCROLLBAR |
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169 | if (strncasecmp (scrollstyle, "plain", 5) == 0) |
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170 | style = R_SB_PLAIN; |
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171 | # endif |
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172 | |
193 | } |
173 | } |
194 | # endif |
174 | # endif |
195 | if (style == R_SB_NEXT) |
175 | if (style == R_SB_NEXT) |
196 | width = SB_WIDTH_NEXT; |
176 | width = SB_WIDTH_NEXT; |
197 | else if (style == R_SB_XTERM) |
177 | else if (style == R_SB_XTERM) |
198 | width = SB_WIDTH_XTERM; |
178 | width = SB_WIDTH_XTERM; |
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179 | else if (style == R_SB_PLAIN) |
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180 | width = SB_WIDTH_PLAIN; |
199 | else /* if (style == R_SB_RXVT) */ |
181 | else /* if (style == R_SB_RXVT) */ |
200 | width = SB_WIDTH_RXVT; |
182 | width = SB_WIDTH_RXVT; |
201 | |
183 | |
202 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
184 | if (style != R_SB_NEXT) /* dishonour request - for now */ |
203 | if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) |
185 | if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM) |
204 | width = min(i, SB_WIDTH_MAXIMUM); |
186 | width = min (i, SB_WIDTH_MAXIMUM); |
205 | |
187 | |
206 | # if defined(RXVT_SCROLLBAR) |
188 | # ifdef RXVT_SCROLLBAR |
207 | if (!(R->Options & Opt_scrollBar_floating) && style == R_SB_RXVT) |
189 | if (! term->option (Opt_scrollBar_floating) && style == R_SB_RXVT) |
208 | R->sb_shadow = SHADOW; |
190 | shadow = SHADOW_WIDTH; |
209 | # endif |
191 | # endif |
210 | |
192 | |
211 | R->scrollBar.style = style; |
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212 | R->scrollBar.width = width; |
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213 | |
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214 | /* R->scrollbar_align = R_SB_ALIGN_CENTRE; */ |
193 | /* align = R_SB_ALIGN_CENTRE; */ |
215 | if (scrollalign) { |
194 | if (scrollalign) |
216 | if (STRNCASECMP(scrollalign, "top", 3) == 0) |
195 | { |
217 | R->scrollbar_align = R_SB_ALIGN_TOP; |
196 | if (strncasecmp (scrollalign, "top", 3) == 0) |
218 | else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) |
197 | align = R_SB_ALIGN_TOP; |
219 | R->scrollbar_align = R_SB_ALIGN_BOTTOM; |
198 | else if (strncasecmp (scrollalign, "bottom", 6) == 0) |
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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 | } |
|
|
253 | #endif |
|
|
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; |
220 | } |
268 | } |
221 | #endif |
269 | #endif |
222 | } |
270 | } |
223 | |
271 | |
224 | /*----------------------- end-of-file (C source) -----------------------*/ |
272 | /*----------------------- end-of-file (C source) -----------------------*/ |
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273 | |