1 | // |
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2 | // "$Id$" |
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3 | // |
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4 | // Positioner header file 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 | #ifndef Fl_Positioner_H |
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29 | #define Fl_Positioner_H |
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30 | |
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31 | #ifndef Fl_Widget_H |
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32 | #include "Fl_Widget.H" |
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33 | #endif |
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34 | |
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35 | class FL_EXPORT Fl_Positioner : public Fl_Widget { |
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36 | |
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37 | double xmin, ymin; |
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38 | double xmax, ymax; |
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39 | double xvalue_, yvalue_; |
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40 | double xstep_, ystep_; |
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41 | |
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42 | protected: |
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43 | |
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44 | // these allow subclasses to put the dial in a smaller area: |
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45 | void draw(int, int, int, int); |
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46 | int handle(int, int, int, int, int); |
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47 | void draw(); |
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48 | |
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49 | public: |
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50 | |
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51 | int handle(int); |
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52 | Fl_Positioner(int x,int y,int w,int h, const char *l=0); |
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53 | double xvalue() const {return xvalue_;} |
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54 | double yvalue() const {return yvalue_;} |
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55 | int xvalue(double); |
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56 | int yvalue(double); |
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57 | int value(double,double); |
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58 | void xbounds(double, double); |
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59 | double xminimum() const {return xmin;} |
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60 | void xminimum(double a) {xbounds(a,xmax);} |
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61 | double xmaximum() const {return xmax;} |
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62 | void xmaximum(double a) {xbounds(xmin,a);} |
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63 | void ybounds(double, double); |
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64 | double yminimum() const {return ymin;} |
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65 | void yminimum(double a) {ybounds(a,ymax);} |
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66 | double ymaximum() const {return ymax;} |
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67 | void ymaximum(double a) {ybounds(ymin,a);} |
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68 | void xstep(double a) {xstep_ = a;} |
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69 | void ystep(double a) {ystep_ = a;} |
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70 | |
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71 | }; |
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72 | |
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73 | #endif |
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74 | |
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75 | // |
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76 | // End of "$Id$". |
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77 | // |
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