1 | // |
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2 | // "$Id: input.cxx 8419 2011-02-13 16:13:04Z greg.ercolano $" |
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3 | // |
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4 | // Input field test program for the Fast Light Tool Kit (FLTK). |
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5 | // |
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6 | // Copyright 1998-2010 by Bill Spitzak and others. |
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7 | // |
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8 | // This library is free software; you can redistribute it and/or |
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9 | // modify it under the terms of the GNU Library General Public |
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10 | // License as published by the Free Software Foundation; either |
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11 | // version 2 of the License, or (at your option) any later version. |
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12 | // |
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13 | // This library is distributed in the hope that it will be useful, |
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14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 | // Library General Public License for more details. |
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17 | // |
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18 | // You should have received a copy of the GNU Library General Public |
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19 | // License along with this library; if not, write to the Free Software |
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20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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21 | // USA. |
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22 | // |
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23 | // Please report all bugs and problems on the following page: |
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24 | // |
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25 | // http://www.fltk.org/str.php |
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26 | // |
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27 | |
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28 | #include <stdio.h> |
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29 | #include <FL/Fl.H> |
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30 | #include <FL/Fl_Window.H> |
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31 | #include <FL/Fl_Input.H> |
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32 | #include <FL/Fl_Float_Input.H> |
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33 | #include <FL/Fl_Int_Input.H> |
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34 | #include <FL/Fl_Secret_Input.H> |
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35 | #include <FL/Fl_Multiline_Input.H> |
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36 | #include <FL/Fl_Button.H> |
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37 | #include <FL/Fl_Toggle_Button.H> |
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38 | #include <FL/Fl_Light_Button.H> |
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39 | #include <FL/Fl_Color_Chooser.H> |
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40 | |
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41 | void cb(Fl_Widget *ob) { |
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42 | printf("Callback for %s '%s'\n",ob->label(),((Fl_Input*)ob)->value()); |
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43 | } |
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44 | |
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45 | int when = 0; |
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46 | Fl_Input *input[5]; |
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47 | |
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48 | void toggle_cb(Fl_Widget *o, long v) { |
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49 | if (((Fl_Toggle_Button*)o)->value()) when |= v; else when &= ~v; |
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50 | for (int i=0; i<5; i++) input[i]->when(when); |
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51 | } |
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52 | |
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53 | void test(Fl_Input *i) { |
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54 | if (i->changed()) { |
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55 | i->clear_changed(); printf("%s '%s'\n",i->label(),i->value()); |
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56 | char utf8buf[10]; |
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57 | int last = fl_utf8encode(i->index(i->position()), utf8buf); |
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58 | utf8buf[last] = 0; |
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59 | printf("Symbol at cursor position: %s\n", utf8buf); |
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60 | } |
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61 | } |
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62 | |
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63 | void button_cb(Fl_Widget *,void *) { |
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64 | for (int i=0; i<5; i++) test(input[i]); |
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65 | } |
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66 | |
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67 | void color_cb(Fl_Widget* button, void* v) { |
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68 | Fl_Color c; |
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69 | switch ((fl_intptr_t)v) { |
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70 | case 0: c = FL_BACKGROUND2_COLOR; break; |
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71 | case 1: c = FL_SELECTION_COLOR; break; |
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72 | default: c = FL_FOREGROUND_COLOR; break; |
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73 | } |
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74 | uchar r,g,b; Fl::get_color(c, r,g,b); |
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75 | if (fl_color_chooser(0,r,g,b)) { |
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76 | Fl::set_color(c,r,g,b); Fl::redraw(); |
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77 | button->labelcolor(fl_contrast(FL_BLACK,c)); |
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78 | button->redraw(); |
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79 | } |
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80 | } |
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81 | |
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82 | void tabnav_cb(Fl_Widget *w, void *v) { |
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83 | Fl_Light_Button *b = (Fl_Light_Button*)w; |
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84 | Fl_Multiline_Input *fmi = (Fl_Multiline_Input*)v; |
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85 | fmi->tab_nav(b->value() ? 1 : 0); |
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86 | } |
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87 | |
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88 | void arrownav_cb(Fl_Widget *w, void *v) { |
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89 | Fl_Light_Button *b = (Fl_Light_Button*)w; |
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90 | Fl::option(Fl::OPTION_ARROW_FOCUS, b->value() ? true : false); |
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91 | } |
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92 | |
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93 | int main(int argc, char **argv) { |
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94 | // the following two lines set the correct color scheme, so that |
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95 | // calling fl_contrast below will return good results |
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96 | Fl::args(argc, argv); |
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97 | Fl::get_system_colors(); |
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98 | Fl_Window *window = new Fl_Window(400,420); |
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99 | |
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100 | int y = 10; |
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101 | input[0] = new Fl_Input(70,y,300,30,"Normal:"); y += 35; |
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102 | input[0]->tooltip("Normal input field"); |
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103 | // input[0]->cursor_color(FL_SELECTION_COLOR); |
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104 | // input[0]->maximum_size(20); |
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105 | // input[0]->static_value("this is a testgarbage"); |
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106 | input[1] = new Fl_Float_Input(70,y,300,30,"Float:"); y += 35; |
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107 | input[1]->tooltip("Input field for floating-point number (F1)"); |
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108 | input[1]->shortcut(FL_F+1); |
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109 | input[2] = new Fl_Int_Input(70,y,300,30,"Int:"); y += 35; |
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110 | input[2]->tooltip("Input field for integer number (F2)"); |
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111 | input[2]->shortcut(FL_F+2); |
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112 | input[3] = new Fl_Secret_Input(70,y,300,30,"&Secret:"); y += 35; |
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113 | input[3]->tooltip("Input field for password (Alt-S)"); |
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114 | input[4] = new Fl_Multiline_Input(70,y,300,100,"&Multiline:"); y += 105; |
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115 | input[4]->tooltip("Input field for short text with newlines (Alt-M)"); |
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116 | input[4]->wrap(1); |
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117 | |
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118 | for (int i = 0; i < 4; i++) { |
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119 | input[i]->when(0); input[i]->callback(cb); |
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120 | } |
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121 | int y1 = y; |
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122 | |
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123 | Fl_Button *b; |
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124 | b = new Fl_Toggle_Button(10,y,200,25,"FL_WHEN_CHANGED"); |
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125 | b->callback(toggle_cb, FL_WHEN_CHANGED); y += 25; |
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126 | b->tooltip("Do callback each time the text changes"); |
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127 | b = new Fl_Toggle_Button(10,y,200,25,"FL_WHEN_RELEASE"); |
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128 | b->callback(toggle_cb, FL_WHEN_RELEASE); y += 25; |
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129 | b->tooltip("Do callback when widget loses focus"); |
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130 | b = new Fl_Toggle_Button(10,y,200,25,"FL_WHEN_ENTER_KEY"); |
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131 | b->callback(toggle_cb, FL_WHEN_ENTER_KEY); y += 25; |
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132 | b->tooltip("Do callback when user hits Enter key"); |
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133 | b = new Fl_Toggle_Button(10,y,200,25,"FL_WHEN_NOT_CHANGED"); |
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134 | b->callback(toggle_cb, FL_WHEN_NOT_CHANGED); y += 25; |
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135 | b->tooltip("Do callback even if the text is not changed"); |
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136 | y += 5; |
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137 | b = new Fl_Button(10,y,200,25,"&print changed()"); y += 25; |
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138 | b->callback(button_cb); |
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139 | b->tooltip("Print widgets that have changed() flag set"); |
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140 | |
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141 | b = new Fl_Light_Button(10,y,100,25," Tab Nav"); |
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142 | b->tooltip("Control tab navigation for the multiline input field"); |
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143 | b->callback(tabnav_cb, (void*)input[4]); |
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144 | b->value(input[4]->tab_nav() ? 1 : 0); |
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145 | b = new Fl_Light_Button(110,y,100,25," Arrow Nav"); y += 25; |
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146 | b->tooltip("Control horizontal arrow key focus navigation behavior.\n" |
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147 | "e.g. Fl::OPTION_ARROW_FOCUS"); |
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148 | b->callback(arrownav_cb); |
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149 | b->value(input[4]->tab_nav() ? 1 : 0); |
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150 | b->value(Fl::option(Fl::OPTION_ARROW_FOCUS) ? 1 : 0); |
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151 | |
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152 | b = new Fl_Button(220,y1,120,25,"color"); y1 += 25; |
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153 | b->color(input[0]->color()); b->callback(color_cb, (void*)0); |
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154 | b->tooltip("Color behind the text"); |
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155 | b = new Fl_Button(220,y1,120,25,"selection_color"); y1 += 25; |
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156 | b->color(input[0]->selection_color()); b->callback(color_cb, (void*)1); |
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157 | b->labelcolor(fl_contrast(FL_BLACK,b->color())); |
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158 | b->tooltip("Color behind selected text"); |
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159 | b = new Fl_Button(220,y1,120,25,"textcolor"); y1 += 25; |
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160 | b->color(input[0]->textcolor()); b->callback(color_cb, (void*)2); |
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161 | b->labelcolor(fl_contrast(FL_BLACK,b->color())); |
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162 | b->tooltip("Color of the text"); |
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163 | |
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164 | window->end(); |
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165 | window->show(argc,argv); |
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166 | return Fl::run(); |
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167 | } |
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168 | |
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169 | // |
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170 | // End of "$Id: input.cxx 8419 2011-02-13 16:13:04Z greg.ercolano $". |
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171 | // |
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