1 | /* |
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2 | * inputbox.c -- implements the input box |
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3 | * |
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4 | * AUTHOR: Savio Lam (lam836@cs.cuhk.hk) |
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5 | * |
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6 | * This program is free software; you can redistribute it and/or |
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7 | * modify it under the terms of the GNU General Public License |
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8 | * as published by the Free Software Foundation; either version 2 |
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9 | * of the License, or (at your option) any later version. |
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10 | * |
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11 | * This program is distributed in the hope that it will be useful, |
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | * GNU General Public License for more details. |
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15 | * |
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16 | * You should have received a copy of the GNU General Public License |
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17 | * along with this program; if not, write to the Free Software |
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18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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19 | */ |
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20 | |
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21 | #include "dialog.h" |
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22 | |
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23 | static GtkWidget *input; |
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24 | |
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25 | static void cancelled(GtkWidget *w, gpointer *d) |
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26 | { |
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27 | exit(-1); |
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28 | } |
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29 | |
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30 | static void okayed(GtkWidget *w, int button, gpointer *d) |
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31 | { |
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32 | if(button == GTK_RESPONSE_OK) { |
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33 | gchar *p = (gchar *) gtk_entry_get_text(GTK_ENTRY(input)); |
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34 | |
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35 | write(2,p, strlen(p)); |
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36 | write(2, "\n", 1); |
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37 | exit (0); |
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38 | } else if (button == GTK_RESPONSE_CANCEL) |
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39 | exit(1); |
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40 | } |
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41 | |
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42 | |
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43 | unsigned char dialog_input_result[MAX_LEN + 1]; |
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44 | |
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45 | /* |
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46 | * Display a dialog box for inputing a string |
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47 | */ |
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48 | int dialog_inputbox(const char *title, const char *prompt, int height, int width, |
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49 | const char *init) |
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50 | { |
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51 | int i, x, y, box_y, box_x, box_width; |
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52 | int input_x = 0, scroll = 0, key = 0, button = GTK_RESPONSE_NONE; |
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53 | unsigned char *instr = dialog_input_result; |
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54 | WINDOW *dialog; |
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55 | |
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56 | if (gnome_mode) { |
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57 | GtkWidget *w; |
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58 | GList *labellist; |
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59 | |
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60 | w = gtk_dialog_new_with_buttons (title, NULL, |
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61 | GTK_DIALOG_DESTROY_WITH_PARENT, |
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62 | GTK_STOCK_CANCEL, |
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63 | GTK_RESPONSE_CANCEL, |
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64 | GTK_STOCK_OK, |
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65 | GTK_RESPONSE_OK, |
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66 | NULL); |
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67 | gtk_dialog_set_default_response (GTK_DIALOG (w), |
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68 | GTK_RESPONSE_OK); |
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69 | gtk_window_set_position (GTK_WINDOW (w), GTK_WIN_POS_CENTER); |
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70 | |
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71 | label_autowrap (GTK_DIALOG (w)->vbox, prompt, width); |
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72 | |
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73 | input = gtk_entry_new (); |
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74 | gtk_box_pack_start (GTK_BOX (GTK_DIALOG (w)->vbox), |
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75 | input, TRUE, TRUE, GNOME_PAD); |
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76 | gtk_signal_connect_object (GTK_OBJECT (input), "activate", |
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77 | GTK_SIGNAL_FUNC (gtk_window_activate_default), |
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78 | GTK_OBJECT(w)); |
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79 | |
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80 | if(init) |
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81 | gtk_entry_set_text(GTK_ENTRY(input),init); |
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82 | |
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83 | if(GTK_IS_ACCESSIBLE(gtk_widget_get_accessible(input))) { |
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84 | add_atk_namedesc(input, _("GDialog Entry"), _("Enter the text")); |
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85 | labellist = gtk_container_get_children(GTK_CONTAINER(GTK_DIALOG(w)->vbox)); |
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86 | add_atk_relation(GTK_WIDGET(labellist->data), input, ATK_RELATION_LABEL_FOR); |
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87 | add_atk_relation(input, GTK_WIDGET(labellist->data), ATK_RELATION_LABELLED_BY); |
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88 | } |
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89 | |
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90 | gtk_signal_connect(GTK_OBJECT(w), "destroy", |
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91 | GTK_SIGNAL_FUNC(cancelled), NULL); |
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92 | gtk_signal_connect(GTK_OBJECT(w), "response", |
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93 | GTK_SIGNAL_FUNC(okayed), NULL); |
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94 | gtk_widget_show_all(w); |
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95 | gtk_widget_grab_focus (input); |
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96 | gtk_main(); |
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97 | return 0; |
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98 | } |
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99 | /* center dialog box on screen */ |
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100 | x = (COLS - width) / 2; |
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101 | y = (LINES - height) / 2; |
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102 | |
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103 | #ifndef NO_COLOR_CURSES |
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104 | if (use_shadow) |
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105 | draw_shadow(stdscr, y, x, height, width); |
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106 | #endif |
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107 | dialog = newwin(height, width, y, x); |
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108 | #ifdef WITH_GPM |
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109 | mouse_setbase(x, y); |
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110 | #endif |
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111 | keypad(dialog, TRUE); |
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112 | |
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113 | draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr); |
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114 | wattrset(dialog, border_attr); |
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115 | wmove(dialog, height - 3, 0); |
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116 | waddch(dialog, ACS_LTEE); |
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117 | for (i = 0; i < width - 2; i++) |
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118 | waddch(dialog, ACS_HLINE); |
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119 | wattrset(dialog, dialog_attr); |
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120 | waddch(dialog, ACS_RTEE); |
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121 | wmove(dialog, height - 2, 1); |
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122 | for (i = 0; i < width - 2; i++) |
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123 | waddch(dialog, ' '); |
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124 | |
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125 | if (title != NULL) { |
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126 | wattrset(dialog, title_attr); |
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127 | wmove(dialog, 0, (width - strlen(title)) / 2 - 1); |
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128 | waddch(dialog, ' '); |
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129 | waddstr(dialog, title); |
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130 | waddch(dialog, ' '); |
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131 | } |
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132 | wattrset(dialog, dialog_attr); |
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133 | print_autowrap(dialog, prompt, width - 2, 1, 3); |
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134 | |
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135 | /* Draw the input field box */ |
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136 | box_width = width - 6; |
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137 | getyx(dialog, y, x); |
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138 | box_y = y + 2; |
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139 | box_x = (width - box_width) / 2; |
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140 | #ifdef WITH_GPM |
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141 | mouse_mkregion(y + 1, box_x - 1, 3, box_width + 2, 'i'); |
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142 | #endif |
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143 | draw_box(dialog, y + 1, box_x - 1, 3, box_width + 2, |
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144 | border_attr, dialog_attr); |
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145 | |
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146 | x = width / 2 - 11; |
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147 | y = height - 2; |
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148 | print_button(dialog, "Cancel", y, x + 14, FALSE); |
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149 | print_button(dialog, " OK ", y, x, TRUE); |
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150 | |
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151 | /* Set up the initial value */ |
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152 | wmove(dialog, box_y, box_x); |
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153 | wattrset(dialog, inputbox_attr); |
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154 | if (!init) |
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155 | instr[0] = '\0'; |
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156 | else |
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157 | strcpy(instr, init); |
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158 | input_x = strlen(instr); |
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159 | if (input_x >= box_width) { |
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160 | scroll = input_x - box_width + 1; |
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161 | input_x = box_width - 1; |
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162 | for (i = 0; i < box_width - 1; i++) |
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163 | waddch(dialog, instr[scroll + i]); |
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164 | } else |
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165 | waddstr(dialog, instr); |
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166 | wmove(dialog, box_y, box_x + input_x); |
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167 | |
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168 | wrefresh(dialog); |
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169 | while (key != ESC) { |
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170 | key = mouse_wgetch(dialog); |
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171 | |
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172 | if (button == GTK_RESPONSE_NONE) { /* Input box selected */ |
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173 | switch (key) { |
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174 | case TAB: |
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175 | case KEY_UP: |
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176 | case KEY_DOWN: |
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177 | case M_EVENT + 'i': |
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178 | case M_EVENT + 'o': |
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179 | case M_EVENT + 'c': |
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180 | break; |
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181 | case KEY_LEFT: |
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182 | continue; |
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183 | case KEY_RIGHT: |
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184 | continue; |
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185 | case KEY_BACKSPACE: |
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186 | case 127: |
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187 | if (input_x || scroll) { |
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188 | wattrset(dialog, inputbox_attr); |
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189 | if (!input_x) { |
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190 | scroll = scroll < box_width - 1 ? |
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191 | 0 : scroll - (box_width - 1); |
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192 | wmove(dialog, box_y, box_x); |
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193 | for (i = 0; i < box_width; i++) |
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194 | waddch(dialog, instr[scroll + input_x + i] ? |
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195 | instr[scroll + input_x + i] : ' '); |
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196 | input_x = strlen(instr) - scroll; |
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197 | } else |
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198 | input_x--; |
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199 | instr[scroll + input_x] = '\0'; |
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200 | wmove(dialog, box_y, input_x + box_x); |
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201 | waddch(dialog, ' '); |
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202 | wmove(dialog, box_y, input_x + box_x); |
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203 | wrefresh(dialog); |
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204 | } |
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205 | continue; |
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206 | default: |
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207 | if (key < 0x100 && isprint(key)) { |
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208 | if (scroll + input_x < MAX_LEN) { |
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209 | wattrset(dialog, inputbox_attr); |
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210 | instr[scroll + input_x] = key; |
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211 | instr[scroll + input_x + 1] = '\0'; |
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212 | if (input_x == box_width - 1) { |
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213 | scroll++; |
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214 | wmove(dialog, box_y, box_x); |
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215 | for (i = 0; i < box_width - 1; i++) |
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216 | waddch(dialog, instr[scroll + i]); |
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217 | } else { |
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218 | wmove(dialog, box_y, input_x++ + box_x); |
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219 | waddch(dialog, key); |
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220 | } |
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221 | wrefresh(dialog); |
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222 | } else |
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223 | flash(); /* Alarm user about overflow */ |
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224 | continue; |
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225 | } |
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226 | } |
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227 | } |
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228 | switch (key) { |
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229 | case 'O': |
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230 | case 'o': |
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231 | delwin(dialog); |
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232 | return 0; |
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233 | case 'C': |
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234 | case 'c': |
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235 | delwin(dialog); |
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236 | return 1; |
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237 | case M_EVENT + 'i': /* mouse enter events */ |
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238 | case M_EVENT + 'o': /* use the code for 'UP' */ |
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239 | case M_EVENT + 'c': |
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240 | if(key == M_EVENT + 'o') |
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241 | { |
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242 | if(key == M_EVENT + 'c') |
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243 | button = GTK_RESPONSE_OK; |
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244 | else |
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245 | button = GTK_RESPONSE_CANCEL; |
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246 | } |
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247 | else |
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248 | { |
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249 | if(key == M_EVENT + 'c') |
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250 | button = GTK_RESPONSE_NONE; |
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251 | else |
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252 | button = GTK_RESPONSE_OK; |
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253 | } |
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254 | |
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255 | case KEY_UP: |
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256 | case KEY_LEFT: |
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257 | switch (button) { |
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258 | case GTK_RESPONSE_NONE: |
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259 | button = GTK_RESPONSE_CANCEL; /* Indicates "Cancel" button is selected */ |
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260 | print_button(dialog, " OK ", y, x, FALSE); |
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261 | print_button(dialog, "Cancel", y, x + 14, TRUE); |
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262 | wrefresh(dialog); |
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263 | break; |
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264 | case GTK_RESPONSE_OK: |
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265 | button = GTK_RESPONSE_NONE; /* Indicates input box is selected */ |
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266 | print_button(dialog, "Cancel", y, x + 14, FALSE); |
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267 | print_button(dialog, " OK ", y, x, TRUE); |
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268 | wmove(dialog, box_y, box_x + input_x); |
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269 | wrefresh(dialog); |
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270 | break; |
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271 | case GTK_RESPONSE_CANCEL: |
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272 | button = GTK_RESPONSE_OK;/* Indicates "OK" button is selected */ |
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273 | print_button(dialog, "Cancel", y, x + 14, FALSE); |
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274 | print_button(dialog, " OK ", y, x, TRUE); |
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275 | wrefresh(dialog); |
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276 | break; |
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277 | } |
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278 | break; |
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279 | case TAB: |
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280 | case KEY_DOWN: |
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281 | case KEY_RIGHT: |
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282 | switch (button) { |
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283 | case GTK_RESPONSE_NONE: |
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284 | button = GTK_RESPONSE_OK;/* Indicates "OK" button is selected */ |
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285 | print_button(dialog, "Cancel", y, x + 14, FALSE); |
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286 | print_button(dialog, " OK ", y, x, TRUE); |
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287 | wrefresh(dialog); |
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288 | break; |
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289 | case GTK_RESPONSE_OK: |
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290 | button = GTK_RESPONSE_CANCEL; /* Indicates "Cancel" button is selected */ |
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291 | print_button(dialog, " OK ", y, x, FALSE); |
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292 | print_button(dialog, "Cancel", y, x + 14, TRUE); |
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293 | wrefresh(dialog); |
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294 | break; |
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295 | case GTK_RESPONSE_CANCEL: |
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296 | button = GTK_RESPONSE_NONE; /* Indicates input box is selected */ |
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297 | print_button(dialog, "Cancel", y, x + 14, FALSE); |
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298 | print_button(dialog, " OK ", y, x, TRUE); |
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299 | wmove(dialog, box_y, box_x + input_x); |
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300 | wrefresh(dialog); |
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301 | break; |
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302 | } |
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303 | break; |
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304 | case ' ': |
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305 | case '\n': |
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306 | delwin(dialog); |
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307 | if(button == GTK_RESPONSE_NONE || button == GTK_RESPONSE_OK) |
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308 | return 0; |
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309 | else if (button == GTK_RESPONSE_CANCEL) |
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310 | return 1; |
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311 | case ESC: |
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312 | break; |
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313 | } |
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314 | } |
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315 | |
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316 | delwin(dialog); |
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317 | return -1; /* ESC pressed */ |
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318 | } |
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