OpenWrt – Blame information for rev 1
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Rev | Author | Line No. | Line |
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1 | office | 1 | /* |
2 | * util.c |
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3 | * |
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4 | * ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk) |
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5 | * MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com) |
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6 | * |
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7 | * This program is free software; you can redistribute it and/or |
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8 | * modify it under the terms of the GNU General Public License |
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9 | * as published by the Free Software Foundation; either version 2 |
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10 | * of the License, or (at your option) any later version. |
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11 | * |
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12 | * This program is distributed in the hope that it will be useful, |
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | * GNU General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the GNU General Public License |
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18 | * along with this program; if not, write to the Free Software |
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19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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20 | */ |
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21 | |||
22 | #include <stdarg.h> |
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23 | |||
24 | #include "dialog.h" |
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25 | |||
26 | /* Needed in signal handler in mconf.c */ |
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27 | int saved_x, saved_y; |
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28 | |||
29 | struct dialog_info dlg; |
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30 | |||
31 | static void set_mono_theme(void) |
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32 | { |
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33 | dlg.screen.atr = A_NORMAL; |
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34 | dlg.shadow.atr = A_NORMAL; |
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35 | dlg.dialog.atr = A_NORMAL; |
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36 | dlg.title.atr = A_BOLD; |
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37 | dlg.border.atr = A_NORMAL; |
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38 | dlg.button_active.atr = A_REVERSE; |
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39 | dlg.button_inactive.atr = A_DIM; |
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40 | dlg.button_key_active.atr = A_REVERSE; |
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41 | dlg.button_key_inactive.atr = A_BOLD; |
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42 | dlg.button_label_active.atr = A_REVERSE; |
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43 | dlg.button_label_inactive.atr = A_NORMAL; |
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44 | dlg.inputbox.atr = A_NORMAL; |
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45 | dlg.inputbox_border.atr = A_NORMAL; |
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46 | dlg.searchbox.atr = A_NORMAL; |
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47 | dlg.searchbox_title.atr = A_BOLD; |
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48 | dlg.searchbox_border.atr = A_NORMAL; |
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49 | dlg.position_indicator.atr = A_BOLD; |
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50 | dlg.menubox.atr = A_NORMAL; |
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51 | dlg.menubox_border.atr = A_NORMAL; |
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52 | dlg.item.atr = A_NORMAL; |
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53 | dlg.item_selected.atr = A_REVERSE; |
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54 | dlg.tag.atr = A_BOLD; |
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55 | dlg.tag_selected.atr = A_REVERSE; |
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56 | dlg.tag_key.atr = A_BOLD; |
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57 | dlg.tag_key_selected.atr = A_REVERSE; |
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58 | dlg.check.atr = A_BOLD; |
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59 | dlg.check_selected.atr = A_REVERSE; |
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60 | dlg.uarrow.atr = A_BOLD; |
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61 | dlg.darrow.atr = A_BOLD; |
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62 | } |
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63 | |||
64 | #define DLG_COLOR(dialog, f, b, h) \ |
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65 | do { \ |
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66 | dlg.dialog.fg = (f); \ |
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67 | dlg.dialog.bg = (b); \ |
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68 | dlg.dialog.hl = (h); \ |
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69 | } while (0) |
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70 | |||
71 | static void set_classic_theme(void) |
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72 | { |
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73 | DLG_COLOR(screen, COLOR_CYAN, COLOR_BLUE, true); |
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74 | DLG_COLOR(shadow, COLOR_BLACK, COLOR_BLACK, true); |
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75 | DLG_COLOR(dialog, COLOR_BLACK, COLOR_WHITE, false); |
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76 | DLG_COLOR(title, COLOR_YELLOW, COLOR_WHITE, true); |
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77 | DLG_COLOR(border, COLOR_WHITE, COLOR_WHITE, true); |
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78 | DLG_COLOR(button_active, COLOR_WHITE, COLOR_BLUE, true); |
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79 | DLG_COLOR(button_inactive, COLOR_BLACK, COLOR_WHITE, false); |
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80 | DLG_COLOR(button_key_active, COLOR_WHITE, COLOR_BLUE, true); |
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81 | DLG_COLOR(button_key_inactive, COLOR_RED, COLOR_WHITE, false); |
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82 | DLG_COLOR(button_label_active, COLOR_YELLOW, COLOR_BLUE, true); |
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83 | DLG_COLOR(button_label_inactive, COLOR_BLACK, COLOR_WHITE, true); |
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84 | DLG_COLOR(inputbox, COLOR_BLACK, COLOR_WHITE, false); |
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85 | DLG_COLOR(inputbox_border, COLOR_BLACK, COLOR_WHITE, false); |
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86 | DLG_COLOR(searchbox, COLOR_BLACK, COLOR_WHITE, false); |
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87 | DLG_COLOR(searchbox_title, COLOR_YELLOW, COLOR_WHITE, true); |
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88 | DLG_COLOR(searchbox_border, COLOR_WHITE, COLOR_WHITE, true); |
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89 | DLG_COLOR(position_indicator, COLOR_YELLOW, COLOR_WHITE, true); |
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90 | DLG_COLOR(menubox, COLOR_BLACK, COLOR_WHITE, false); |
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91 | DLG_COLOR(menubox_border, COLOR_WHITE, COLOR_WHITE, true); |
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92 | DLG_COLOR(item, COLOR_BLACK, COLOR_WHITE, false); |
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93 | DLG_COLOR(item_selected, COLOR_WHITE, COLOR_BLUE, true); |
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94 | DLG_COLOR(tag, COLOR_YELLOW, COLOR_WHITE, true); |
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95 | DLG_COLOR(tag_selected, COLOR_YELLOW, COLOR_BLUE, true); |
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96 | DLG_COLOR(tag_key, COLOR_YELLOW, COLOR_WHITE, true); |
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97 | DLG_COLOR(tag_key_selected, COLOR_YELLOW, COLOR_BLUE, true); |
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98 | DLG_COLOR(check, COLOR_BLACK, COLOR_WHITE, false); |
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99 | DLG_COLOR(check_selected, COLOR_WHITE, COLOR_BLUE, true); |
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100 | DLG_COLOR(uarrow, COLOR_GREEN, COLOR_WHITE, true); |
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101 | DLG_COLOR(darrow, COLOR_GREEN, COLOR_WHITE, true); |
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102 | } |
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103 | |||
104 | static void set_blackbg_theme(void) |
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105 | { |
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106 | DLG_COLOR(screen, COLOR_RED, COLOR_BLACK, true); |
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107 | DLG_COLOR(shadow, COLOR_BLACK, COLOR_BLACK, false); |
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108 | DLG_COLOR(dialog, COLOR_WHITE, COLOR_BLACK, false); |
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109 | DLG_COLOR(title, COLOR_RED, COLOR_BLACK, false); |
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110 | DLG_COLOR(border, COLOR_BLACK, COLOR_BLACK, true); |
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111 | |||
112 | DLG_COLOR(button_active, COLOR_YELLOW, COLOR_RED, false); |
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113 | DLG_COLOR(button_inactive, COLOR_YELLOW, COLOR_BLACK, false); |
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114 | DLG_COLOR(button_key_active, COLOR_YELLOW, COLOR_RED, true); |
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115 | DLG_COLOR(button_key_inactive, COLOR_RED, COLOR_BLACK, false); |
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116 | DLG_COLOR(button_label_active, COLOR_WHITE, COLOR_RED, false); |
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117 | DLG_COLOR(button_label_inactive, COLOR_BLACK, COLOR_BLACK, true); |
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118 | |||
119 | DLG_COLOR(inputbox, COLOR_YELLOW, COLOR_BLACK, false); |
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120 | DLG_COLOR(inputbox_border, COLOR_YELLOW, COLOR_BLACK, false); |
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121 | |||
122 | DLG_COLOR(searchbox, COLOR_YELLOW, COLOR_BLACK, false); |
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123 | DLG_COLOR(searchbox_title, COLOR_YELLOW, COLOR_BLACK, true); |
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124 | DLG_COLOR(searchbox_border, COLOR_BLACK, COLOR_BLACK, true); |
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125 | |||
126 | DLG_COLOR(position_indicator, COLOR_RED, COLOR_BLACK, false); |
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127 | |||
128 | DLG_COLOR(menubox, COLOR_YELLOW, COLOR_BLACK, false); |
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129 | DLG_COLOR(menubox_border, COLOR_BLACK, COLOR_BLACK, true); |
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130 | |||
131 | DLG_COLOR(item, COLOR_WHITE, COLOR_BLACK, false); |
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132 | DLG_COLOR(item_selected, COLOR_WHITE, COLOR_RED, false); |
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133 | |||
134 | DLG_COLOR(tag, COLOR_RED, COLOR_BLACK, false); |
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135 | DLG_COLOR(tag_selected, COLOR_YELLOW, COLOR_RED, true); |
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136 | DLG_COLOR(tag_key, COLOR_RED, COLOR_BLACK, false); |
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137 | DLG_COLOR(tag_key_selected, COLOR_YELLOW, COLOR_RED, true); |
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138 | |||
139 | DLG_COLOR(check, COLOR_YELLOW, COLOR_BLACK, false); |
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140 | DLG_COLOR(check_selected, COLOR_YELLOW, COLOR_RED, true); |
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141 | |||
142 | DLG_COLOR(uarrow, COLOR_RED, COLOR_BLACK, false); |
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143 | DLG_COLOR(darrow, COLOR_RED, COLOR_BLACK, false); |
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144 | } |
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145 | |||
146 | static void set_bluetitle_theme(void) |
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147 | { |
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148 | set_classic_theme(); |
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149 | DLG_COLOR(title, COLOR_BLUE, COLOR_WHITE, true); |
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150 | DLG_COLOR(button_key_active, COLOR_YELLOW, COLOR_BLUE, true); |
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151 | DLG_COLOR(button_label_active, COLOR_WHITE, COLOR_BLUE, true); |
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152 | DLG_COLOR(searchbox_title, COLOR_BLUE, COLOR_WHITE, true); |
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153 | DLG_COLOR(position_indicator, COLOR_BLUE, COLOR_WHITE, true); |
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154 | DLG_COLOR(tag, COLOR_BLUE, COLOR_WHITE, true); |
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155 | DLG_COLOR(tag_key, COLOR_BLUE, COLOR_WHITE, true); |
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156 | |||
157 | } |
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158 | |||
159 | /* |
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160 | * Select color theme |
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161 | */ |
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162 | static int set_theme(const char *theme) |
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163 | { |
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164 | int use_color = 1; |
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165 | if (!theme) |
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166 | set_bluetitle_theme(); |
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167 | else if (strcmp(theme, "classic") == 0) |
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168 | set_classic_theme(); |
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169 | else if (strcmp(theme, "bluetitle") == 0) |
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170 | set_bluetitle_theme(); |
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171 | else if (strcmp(theme, "blackbg") == 0) |
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172 | set_blackbg_theme(); |
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173 | else if (strcmp(theme, "mono") == 0) |
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174 | use_color = 0; |
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175 | |||
176 | return use_color; |
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177 | } |
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178 | |||
179 | static void init_one_color(struct dialog_color *color) |
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180 | { |
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181 | static int pair = 0; |
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182 | |||
183 | pair++; |
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184 | init_pair(pair, color->fg, color->bg); |
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185 | if (color->hl) |
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186 | color->atr = A_BOLD | COLOR_PAIR(pair); |
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187 | else |
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188 | color->atr = COLOR_PAIR(pair); |
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189 | } |
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190 | |||
191 | static void init_dialog_colors(void) |
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192 | { |
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193 | init_one_color(&dlg.screen); |
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194 | init_one_color(&dlg.shadow); |
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195 | init_one_color(&dlg.dialog); |
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196 | init_one_color(&dlg.title); |
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197 | init_one_color(&dlg.border); |
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198 | init_one_color(&dlg.button_active); |
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199 | init_one_color(&dlg.button_inactive); |
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200 | init_one_color(&dlg.button_key_active); |
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201 | init_one_color(&dlg.button_key_inactive); |
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202 | init_one_color(&dlg.button_label_active); |
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203 | init_one_color(&dlg.button_label_inactive); |
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204 | init_one_color(&dlg.inputbox); |
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205 | init_one_color(&dlg.inputbox_border); |
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206 | init_one_color(&dlg.searchbox); |
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207 | init_one_color(&dlg.searchbox_title); |
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208 | init_one_color(&dlg.searchbox_border); |
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209 | init_one_color(&dlg.position_indicator); |
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210 | init_one_color(&dlg.menubox); |
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211 | init_one_color(&dlg.menubox_border); |
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212 | init_one_color(&dlg.item); |
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213 | init_one_color(&dlg.item_selected); |
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214 | init_one_color(&dlg.tag); |
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215 | init_one_color(&dlg.tag_selected); |
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216 | init_one_color(&dlg.tag_key); |
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217 | init_one_color(&dlg.tag_key_selected); |
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218 | init_one_color(&dlg.check); |
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219 | init_one_color(&dlg.check_selected); |
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220 | init_one_color(&dlg.uarrow); |
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221 | init_one_color(&dlg.darrow); |
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222 | } |
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223 | |||
224 | /* |
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225 | * Setup for color display |
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226 | */ |
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227 | static void color_setup(const char *theme) |
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228 | { |
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229 | int use_color; |
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230 | |||
231 | use_color = set_theme(theme); |
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232 | if (use_color && has_colors()) { |
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233 | start_color(); |
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234 | init_dialog_colors(); |
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235 | } else |
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236 | set_mono_theme(); |
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237 | } |
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238 | |||
239 | /* |
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240 | * Set window to attribute 'attr' |
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241 | */ |
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242 | void attr_clear(WINDOW * win, int height, int width, chtype attr) |
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243 | { |
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244 | int i, j; |
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245 | |||
246 | wattrset(win, attr); |
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247 | for (i = 0; i < height; i++) { |
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248 | wmove(win, i, 0); |
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249 | for (j = 0; j < width; j++) |
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250 | waddch(win, ' '); |
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251 | } |
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252 | touchwin(win); |
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253 | } |
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254 | |||
255 | void dialog_clear(void) |
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256 | { |
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257 | int lines, columns; |
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258 | |||
259 | lines = getmaxy(stdscr); |
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260 | columns = getmaxx(stdscr); |
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261 | |||
262 | attr_clear(stdscr, lines, columns, dlg.screen.atr); |
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263 | /* Display background title if it exists ... - SLH */ |
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264 | if (dlg.backtitle != NULL) { |
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265 | int i, len = 0, skip = 0; |
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266 | struct subtitle_list *pos; |
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267 | |||
268 | wattrset(stdscr, dlg.screen.atr); |
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269 | mvwaddstr(stdscr, 0, 1, (char *)dlg.backtitle); |
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270 | |||
271 | for (pos = dlg.subtitles; pos != NULL; pos = pos->next) { |
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272 | /* 3 is for the arrow and spaces */ |
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273 | len += strlen(pos->text) + 3; |
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274 | } |
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275 | |||
276 | wmove(stdscr, 1, 1); |
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277 | if (len > columns - 2) { |
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278 | const char *ellipsis = "[...] "; |
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279 | waddstr(stdscr, ellipsis); |
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280 | skip = len - (columns - 2 - strlen(ellipsis)); |
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281 | } |
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282 | |||
283 | for (pos = dlg.subtitles; pos != NULL; pos = pos->next) { |
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284 | if (skip == 0) |
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285 | waddch(stdscr, ACS_RARROW); |
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286 | else |
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287 | skip--; |
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288 | |||
289 | if (skip == 0) |
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290 | waddch(stdscr, ' '); |
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291 | else |
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292 | skip--; |
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293 | |||
294 | if (skip < strlen(pos->text)) { |
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295 | waddstr(stdscr, pos->text + skip); |
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296 | skip = 0; |
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297 | } else |
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298 | skip -= strlen(pos->text); |
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299 | |||
300 | if (skip == 0) |
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301 | waddch(stdscr, ' '); |
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302 | else |
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303 | skip--; |
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304 | } |
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305 | |||
306 | for (i = len + 1; i < columns - 1; i++) |
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307 | waddch(stdscr, ACS_HLINE); |
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308 | } |
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309 | wnoutrefresh(stdscr); |
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310 | } |
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311 | |||
312 | /* |
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313 | * Do some initialization for dialog |
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314 | */ |
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315 | int init_dialog(const char *backtitle) |
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316 | { |
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317 | int height, width; |
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318 | |||
319 | initscr(); /* Init curses */ |
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320 | |||
321 | /* Get current cursor position for signal handler in mconf.c */ |
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322 | getyx(stdscr, saved_y, saved_x); |
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323 | |||
324 | getmaxyx(stdscr, height, width); |
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325 | if (height < WINDOW_HEIGTH_MIN || width < WINDOW_WIDTH_MIN) { |
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326 | endwin(); |
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327 | return -ERRDISPLAYTOOSMALL; |
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328 | } |
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329 | |||
330 | dlg.backtitle = backtitle; |
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331 | color_setup(getenv("MENUCONFIG_COLOR")); |
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332 | |||
333 | keypad(stdscr, TRUE); |
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334 | cbreak(); |
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335 | noecho(); |
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336 | dialog_clear(); |
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337 | |||
338 | return 0; |
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339 | } |
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340 | |||
341 | void set_dialog_backtitle(const char *backtitle) |
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342 | { |
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343 | dlg.backtitle = backtitle; |
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344 | } |
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345 | |||
346 | void set_dialog_subtitles(struct subtitle_list *subtitles) |
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347 | { |
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348 | dlg.subtitles = subtitles; |
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349 | } |
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350 | |||
351 | /* |
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352 | * End using dialog functions. |
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353 | */ |
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354 | void end_dialog(int x, int y) |
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355 | { |
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356 | /* move cursor back to original position */ |
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357 | move(y, x); |
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358 | refresh(); |
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359 | endwin(); |
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360 | } |
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361 | |||
362 | /* Print the title of the dialog. Center the title and truncate |
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363 | * tile if wider than dialog (- 2 chars). |
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364 | **/ |
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365 | void print_title(WINDOW *dialog, const char *title, int width) |
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366 | { |
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367 | if (title) { |
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368 | int tlen = MIN(width - 2, strlen(title)); |
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369 | wattrset(dialog, dlg.title.atr); |
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370 | mvwaddch(dialog, 0, (width - tlen) / 2 - 1, ' '); |
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371 | mvwaddnstr(dialog, 0, (width - tlen)/2, title, tlen); |
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372 | waddch(dialog, ' '); |
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373 | } |
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374 | } |
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375 | |||
376 | /* |
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377 | * Print a string of text in a window, automatically wrap around to the |
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378 | * next line if the string is too long to fit on one line. Newline |
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379 | * characters '\n' are propperly processed. We start on a new line |
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380 | * if there is no room for at least 4 nonblanks following a double-space. |
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381 | */ |
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382 | void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x) |
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383 | { |
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384 | int newl, cur_x, cur_y; |
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385 | int prompt_len, room, wlen; |
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386 | char tempstr[MAX_LEN + 1], *word, *sp, *sp2, *newline_separator = 0; |
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387 | |||
388 | strcpy(tempstr, prompt); |
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389 | |||
390 | prompt_len = strlen(tempstr); |
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391 | |||
392 | if (prompt_len <= width - x * 2) { /* If prompt is short */ |
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393 | wmove(win, y, (width - prompt_len) / 2); |
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394 | waddstr(win, tempstr); |
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395 | } else { |
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396 | cur_x = x; |
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397 | cur_y = y; |
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398 | newl = 1; |
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399 | word = tempstr; |
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400 | while (word && *word) { |
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401 | sp = strpbrk(word, "\n "); |
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402 | if (sp && *sp == '\n') |
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403 | newline_separator = sp; |
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404 | |||
405 | if (sp) |
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406 | *sp++ = 0; |
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407 | |||
408 | /* Wrap to next line if either the word does not fit, |
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409 | or it is the first word of a new sentence, and it is |
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410 | short, and the next word does not fit. */ |
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411 | room = width - cur_x; |
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412 | wlen = strlen(word); |
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413 | if (wlen > room || |
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414 | (newl && wlen < 4 && sp |
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415 | && wlen + 1 + strlen(sp) > room |
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416 | && (!(sp2 = strpbrk(sp, "\n ")) |
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417 | || wlen + 1 + (sp2 - sp) > room))) { |
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418 | cur_y++; |
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419 | cur_x = x; |
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420 | } |
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421 | wmove(win, cur_y, cur_x); |
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422 | waddstr(win, word); |
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423 | getyx(win, cur_y, cur_x); |
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424 | |||
425 | /* Move to the next line if the word separator was a newline */ |
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426 | if (newline_separator) { |
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427 | cur_y++; |
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428 | cur_x = x; |
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429 | newline_separator = 0; |
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430 | } else |
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431 | cur_x++; |
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432 | |||
433 | if (sp && *sp == ' ') { |
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434 | cur_x++; /* double space */ |
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435 | while (*++sp == ' ') ; |
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436 | newl = 1; |
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437 | } else |
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438 | newl = 0; |
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439 | word = sp; |
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440 | } |
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441 | } |
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442 | } |
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443 | |||
444 | /* |
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445 | * Print a button |
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446 | */ |
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447 | void print_button(WINDOW * win, const char *label, int y, int x, int selected) |
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448 | { |
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449 | int i, temp; |
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450 | |||
451 | wmove(win, y, x); |
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452 | wattrset(win, selected ? dlg.button_active.atr |
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453 | : dlg.button_inactive.atr); |
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454 | waddstr(win, "<"); |
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455 | temp = strspn(label, " "); |
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456 | label += temp; |
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457 | wattrset(win, selected ? dlg.button_label_active.atr |
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458 | : dlg.button_label_inactive.atr); |
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459 | for (i = 0; i < temp; i++) |
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460 | waddch(win, ' '); |
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461 | wattrset(win, selected ? dlg.button_key_active.atr |
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462 | : dlg.button_key_inactive.atr); |
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463 | waddch(win, label[0]); |
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464 | wattrset(win, selected ? dlg.button_label_active.atr |
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465 | : dlg.button_label_inactive.atr); |
||
466 | waddstr(win, (char *)label + 1); |
||
467 | wattrset(win, selected ? dlg.button_active.atr |
||
468 | : dlg.button_inactive.atr); |
||
469 | waddstr(win, ">"); |
||
470 | wmove(win, y, x + temp + 1); |
||
471 | } |
||
472 | |||
473 | /* |
||
474 | * Draw a rectangular box with line drawing characters |
||
475 | */ |
||
476 | void |
||
477 | draw_box(WINDOW * win, int y, int x, int height, int width, |
||
478 | chtype box, chtype border) |
||
479 | { |
||
480 | int i, j; |
||
481 | |||
482 | wattrset(win, 0); |
||
483 | for (i = 0; i < height; i++) { |
||
484 | wmove(win, y + i, x); |
||
485 | for (j = 0; j < width; j++) |
||
486 | if (!i && !j) |
||
487 | waddch(win, border | ACS_ULCORNER); |
||
488 | else if (i == height - 1 && !j) |
||
489 | waddch(win, border | ACS_LLCORNER); |
||
490 | else if (!i && j == width - 1) |
||
491 | waddch(win, box | ACS_URCORNER); |
||
492 | else if (i == height - 1 && j == width - 1) |
||
493 | waddch(win, box | ACS_LRCORNER); |
||
494 | else if (!i) |
||
495 | waddch(win, border | ACS_HLINE); |
||
496 | else if (i == height - 1) |
||
497 | waddch(win, box | ACS_HLINE); |
||
498 | else if (!j) |
||
499 | waddch(win, border | ACS_VLINE); |
||
500 | else if (j == width - 1) |
||
501 | waddch(win, box | ACS_VLINE); |
||
502 | else |
||
503 | waddch(win, box | ' '); |
||
504 | } |
||
505 | } |
||
506 | |||
507 | /* |
||
508 | * Draw shadows along the right and bottom edge to give a more 3D look |
||
509 | * to the boxes |
||
510 | */ |
||
511 | void draw_shadow(WINDOW * win, int y, int x, int height, int width) |
||
512 | { |
||
513 | int i; |
||
514 | |||
515 | if (has_colors()) { /* Whether terminal supports color? */ |
||
516 | wattrset(win, dlg.shadow.atr); |
||
517 | wmove(win, y + height, x + 2); |
||
518 | for (i = 0; i < width; i++) |
||
519 | waddch(win, winch(win) & A_CHARTEXT); |
||
520 | for (i = y + 1; i < y + height + 1; i++) { |
||
521 | wmove(win, i, x + width); |
||
522 | waddch(win, winch(win) & A_CHARTEXT); |
||
523 | waddch(win, winch(win) & A_CHARTEXT); |
||
524 | } |
||
525 | wnoutrefresh(win); |
||
526 | } |
||
527 | } |
||
528 | |||
529 | /* |
||
530 | * Return the position of the first alphabetic character in a string. |
||
531 | */ |
||
532 | int first_alpha(const char *string, const char *exempt) |
||
533 | { |
||
534 | int i, in_paren = 0, c; |
||
535 | |||
536 | for (i = 0; i < strlen(string); i++) { |
||
537 | c = tolower(string[i]); |
||
538 | |||
539 | if (strchr("<[(", c)) |
||
540 | ++in_paren; |
||
541 | if (strchr(">])", c) && in_paren > 0) |
||
542 | --in_paren; |
||
543 | |||
544 | if ((!in_paren) && isalpha(c) && strchr(exempt, c) == 0) |
||
545 | return i; |
||
546 | } |
||
547 | |||
548 | return 0; |
||
549 | } |
||
550 | |||
551 | /* |
||
552 | * ncurses uses ESC to detect escaped char sequences. This resutl in |
||
553 | * a small timeout before ESC is actually delivered to the application. |
||
554 | * lxdialog suggest <ESC> <ESC> which is correctly translated to two |
||
555 | * times esc. But then we need to ignore the second esc to avoid stepping |
||
556 | * out one menu too much. Filter away all escaped key sequences since |
||
557 | * keypad(FALSE) turn off ncurses support for escape sequences - and thats |
||
558 | * needed to make notimeout() do as expected. |
||
559 | */ |
||
560 | int on_key_esc(WINDOW *win) |
||
561 | { |
||
562 | int key; |
||
563 | int key2; |
||
564 | int key3; |
||
565 | |||
566 | nodelay(win, TRUE); |
||
567 | keypad(win, FALSE); |
||
568 | key = wgetch(win); |
||
569 | key2 = wgetch(win); |
||
570 | do { |
||
571 | key3 = wgetch(win); |
||
572 | } while (key3 != ERR); |
||
573 | nodelay(win, FALSE); |
||
574 | keypad(win, TRUE); |
||
575 | if (key == KEY_ESC && key2 == ERR) |
||
576 | return KEY_ESC; |
||
577 | else if (key != ERR && key != KEY_ESC && key2 == ERR) |
||
578 | ungetch(key); |
||
579 | |||
580 | return -1; |
||
581 | } |
||
582 | |||
583 | /* redraw screen in new size */ |
||
584 | int on_key_resize(void) |
||
585 | { |
||
586 | dialog_clear(); |
||
587 | return KEY_RESIZE; |
||
588 | } |
||
589 | |||
590 | struct dialog_list *item_cur; |
||
591 | struct dialog_list item_nil; |
||
592 | struct dialog_list *item_head; |
||
593 | |||
594 | void item_reset(void) |
||
595 | { |
||
596 | struct dialog_list *p, *next; |
||
597 | |||
598 | for (p = item_head; p; p = next) { |
||
599 | next = p->next; |
||
600 | free(p); |
||
601 | } |
||
602 | item_head = NULL; |
||
603 | item_cur = &item_nil; |
||
604 | } |
||
605 | |||
606 | void item_make(const char *fmt, ...) |
||
607 | { |
||
608 | va_list ap; |
||
609 | struct dialog_list *p = malloc(sizeof(*p)); |
||
610 | |||
611 | if (item_head) |
||
612 | item_cur->next = p; |
||
613 | else |
||
614 | item_head = p; |
||
615 | item_cur = p; |
||
616 | memset(p, 0, sizeof(*p)); |
||
617 | |||
618 | va_start(ap, fmt); |
||
619 | vsnprintf(item_cur->node.str, sizeof(item_cur->node.str), fmt, ap); |
||
620 | va_end(ap); |
||
621 | } |
||
622 | |||
623 | void item_add_str(const char *fmt, ...) |
||
624 | { |
||
625 | va_list ap; |
||
626 | size_t avail; |
||
627 | |||
628 | avail = sizeof(item_cur->node.str) - strlen(item_cur->node.str); |
||
629 | |||
630 | va_start(ap, fmt); |
||
631 | vsnprintf(item_cur->node.str + strlen(item_cur->node.str), |
||
632 | avail, fmt, ap); |
||
633 | item_cur->node.str[sizeof(item_cur->node.str) - 1] = '\0'; |
||
634 | va_end(ap); |
||
635 | } |
||
636 | |||
637 | void item_set_tag(char tag) |
||
638 | { |
||
639 | item_cur->node.tag = tag; |
||
640 | } |
||
641 | void item_set_data(void *ptr) |
||
642 | { |
||
643 | item_cur->node.data = ptr; |
||
644 | } |
||
645 | |||
646 | void item_set_selected(int val) |
||
647 | { |
||
648 | item_cur->node.selected = val; |
||
649 | } |
||
650 | |||
651 | int item_activate_selected(void) |
||
652 | { |
||
653 | item_foreach() |
||
654 | if (item_is_selected()) |
||
655 | return 1; |
||
656 | return 0; |
||
657 | } |
||
658 | |||
659 | void *item_data(void) |
||
660 | { |
||
661 | return item_cur->node.data; |
||
662 | } |
||
663 | |||
664 | char item_tag(void) |
||
665 | { |
||
666 | return item_cur->node.tag; |
||
667 | } |
||
668 | |||
669 | int item_count(void) |
||
670 | { |
||
671 | int n = 0; |
||
672 | struct dialog_list *p; |
||
673 | |||
674 | for (p = item_head; p; p = p->next) |
||
675 | n++; |
||
676 | return n; |
||
677 | } |
||
678 | |||
679 | void item_set(int n) |
||
680 | { |
||
681 | int i = 0; |
||
682 | item_foreach() |
||
683 | if (i++ == n) |
||
684 | return; |
||
685 | } |
||
686 | |||
687 | int item_n(void) |
||
688 | { |
||
689 | int n = 0; |
||
690 | struct dialog_list *p; |
||
691 | |||
692 | for (p = item_head; p; p = p->next) { |
||
693 | if (p == item_cur) |
||
694 | return n; |
||
695 | n++; |
||
696 | } |
||
697 | return 0; |
||
698 | } |
||
699 | |||
700 | const char *item_str(void) |
||
701 | { |
||
702 | return item_cur->node.str; |
||
703 | } |
||
704 | |||
705 | int item_is_selected(void) |
||
706 | { |
||
707 | return (item_cur->node.selected != 0); |
||
708 | } |
||
709 | |||
710 | int item_is_tag(char tag) |
||
711 | { |
||
712 | return (item_cur->node.tag == tag); |
||
713 | } |