1 | // |
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2 | // "$Id$" |
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3 | // |
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4 | // Counter widget for the Fast Light Tool Kit (FLTK). |
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5 | // |
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6 | // Copyright 1998-2005 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 <FL/Fl.H> |
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29 | #include <FL/Fl_Counter.H> |
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30 | #include <FL/fl_draw.H> |
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31 | |
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32 | void Fl_Counter::draw() { |
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33 | int i; Fl_Boxtype boxtype[5]; |
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34 | Fl_Color selcolor; |
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35 | |
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36 | boxtype[0] = box(); |
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37 | if (boxtype[0] == FL_UP_BOX) boxtype[0] = FL_DOWN_BOX; |
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38 | if (boxtype[0] == FL_THIN_UP_BOX) boxtype[0] = FL_THIN_DOWN_BOX; |
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39 | for (i=1; i<5; i++) |
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40 | if (mouseobj == i) |
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41 | boxtype[i] = fl_down(box()); |
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42 | else |
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43 | boxtype[i] = box(); |
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44 | |
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45 | int xx[5], ww[5]; |
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46 | if (type() == FL_NORMAL_COUNTER) { |
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47 | int W = w()*15/100; |
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48 | xx[1] = x(); ww[1] = W; |
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49 | xx[2] = x()+1*W; ww[2] = W; |
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50 | xx[0] = x()+2*W; ww[0] = w()-4*W; |
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51 | xx[3] = x()+w()-2*W; ww[3] = W; |
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52 | xx[4] = x()+w()-1*W; ww[4] = W; |
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53 | } else { |
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54 | int W = w()*20/100; |
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55 | xx[1] = 0; ww[1] = 0; |
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56 | xx[2] = x(); ww[2] = W; |
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57 | xx[0] = x()+W; ww[0] = w()-2*W; |
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58 | xx[3] = x()+w()-1*W; ww[3] = W; |
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59 | xx[4] = 0; ww[4] = 0; |
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60 | } |
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61 | |
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62 | draw_box(boxtype[0], xx[0], y(), ww[0], h(), FL_BACKGROUND2_COLOR); |
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63 | fl_font(textfont(), textsize()); |
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64 | fl_color(active_r() ? textcolor() : fl_inactive(textcolor())); |
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65 | char str[128]; format(str); |
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66 | fl_draw(str, xx[0], y(), ww[0], h(), FL_ALIGN_CENTER); |
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67 | if (Fl::focus() == this) draw_focus(boxtype[0], xx[0], y(), ww[0], h()); |
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68 | if (!(damage()&FL_DAMAGE_ALL)) return; // only need to redraw text |
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69 | |
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70 | if (active_r()) |
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71 | selcolor = labelcolor(); |
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72 | else |
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73 | selcolor = fl_inactive(labelcolor()); |
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74 | |
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75 | if (type() == FL_NORMAL_COUNTER) { |
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76 | draw_box(boxtype[1], xx[1], y(), ww[1], h(), color()); |
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77 | fl_draw_symbol("@-4<<", xx[1], y(), ww[1], h(), selcolor); |
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78 | } |
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79 | draw_box(boxtype[2], xx[2], y(), ww[2], h(), color()); |
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80 | fl_draw_symbol("@-4<", xx[2], y(), ww[2], h(), selcolor); |
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81 | draw_box(boxtype[3], xx[3], y(), ww[3], h(), color()); |
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82 | fl_draw_symbol("@-4>", xx[3], y(), ww[3], h(), selcolor); |
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83 | if (type() == FL_NORMAL_COUNTER) { |
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84 | draw_box(boxtype[4], xx[4], y(), ww[4], h(), color()); |
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85 | fl_draw_symbol("@-4>>", xx[4], y(), ww[4], h(), selcolor); |
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86 | } |
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87 | } |
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88 | |
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89 | void Fl_Counter::increment_cb() { |
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90 | if (!mouseobj) return; |
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91 | double v = value(); |
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92 | switch (mouseobj) { |
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93 | case 1: v -= lstep_; break; |
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94 | case 2: v = increment(v, -1); break; |
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95 | case 3: v = increment(v, 1); break; |
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96 | case 4: v += lstep_; break; |
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97 | } |
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98 | handle_drag(clamp(round(v))); |
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99 | } |
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100 | |
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101 | #define INITIALREPEAT .5 |
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102 | #define REPEAT .1 |
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103 | |
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104 | void Fl_Counter::repeat_callback(void* v) { |
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105 | Fl_Counter* b = (Fl_Counter*)v; |
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106 | if (b->mouseobj) { |
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107 | Fl::add_timeout(REPEAT, repeat_callback, b); |
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108 | b->increment_cb(); |
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109 | } |
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110 | } |
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111 | |
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112 | int Fl_Counter::calc_mouseobj() { |
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113 | if (type() == FL_NORMAL_COUNTER) { |
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114 | int W = w()*15/100; |
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115 | if (Fl::event_inside(x(), y(), W, h())) return 1; |
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116 | if (Fl::event_inside(x()+W, y(), W, h())) return 2; |
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117 | if (Fl::event_inside(x()+w()-2*W, y(), W, h())) return 3; |
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118 | if (Fl::event_inside(x()+w()-W, y(), W, h())) return 4; |
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119 | } else { |
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120 | int W = w()*20/100; |
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121 | if (Fl::event_inside(x(), y(), W, h())) return 2; |
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122 | if (Fl::event_inside(x()+w()-W, y(), W, h())) return 3; |
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123 | } |
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124 | return -1; |
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125 | } |
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126 | |
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127 | int Fl_Counter::handle(int event) { |
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128 | int i; |
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129 | switch (event) { |
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130 | case FL_RELEASE: |
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131 | if (mouseobj) { |
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132 | Fl::remove_timeout(repeat_callback, this); |
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133 | mouseobj = 0; |
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134 | redraw(); |
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135 | } |
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136 | handle_release(); |
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137 | return 1; |
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138 | case FL_PUSH: |
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139 | if (Fl::visible_focus()) Fl::focus(this); |
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140 | handle_push(); |
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141 | case FL_DRAG: |
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142 | i = calc_mouseobj(); |
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143 | if (i != mouseobj) { |
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144 | Fl::remove_timeout(repeat_callback, this); |
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145 | mouseobj = (uchar)i; |
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146 | if (i) Fl::add_timeout(INITIALREPEAT, repeat_callback, this); |
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147 | increment_cb(); |
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148 | redraw(); |
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149 | } |
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150 | return 1; |
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151 | case FL_KEYBOARD : |
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152 | switch (Fl::event_key()) { |
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153 | case FL_Left: |
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154 | handle_drag(clamp(increment(value(),-1))); |
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155 | return 1; |
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156 | case FL_Right: |
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157 | handle_drag(clamp(increment(value(),1))); |
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158 | return 1; |
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159 | default: |
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160 | return 0; |
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161 | } |
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162 | // break not required because of switch... |
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163 | case FL_FOCUS : |
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164 | case FL_UNFOCUS : |
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165 | if (Fl::visible_focus()) { |
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166 | redraw(); |
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167 | return 1; |
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168 | } else return 0; |
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169 | case FL_ENTER : |
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170 | case FL_LEAVE : |
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171 | return 1; |
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172 | default: |
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173 | return 0; |
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174 | } |
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175 | } |
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176 | |
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177 | Fl_Counter::~Fl_Counter() { |
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178 | Fl::remove_timeout(repeat_callback, this); |
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179 | } |
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180 | |
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181 | Fl_Counter::Fl_Counter(int X, int Y, int W, int H, const char* l) |
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182 | : Fl_Valuator(X, Y, W, H, l) { |
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183 | box(FL_UP_BOX); |
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184 | selection_color(FL_INACTIVE_COLOR); // was FL_BLUE |
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185 | align(FL_ALIGN_BOTTOM); |
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186 | bounds(-1000000.0, 1000000.0); |
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187 | Fl_Valuator::step(1, 10); |
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188 | lstep_ = 1.0; |
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189 | mouseobj = 0; |
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190 | textfont_ = FL_HELVETICA; |
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191 | textsize_ = (uchar)FL_NORMAL_SIZE; |
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192 | textcolor_ = FL_FOREGROUND_COLOR; |
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193 | } |
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194 | |
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195 | // |
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196 | // End of "$Id$". |
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197 | // |
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