79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
//
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// Copyright(C) 2005-2014 Simon Howard
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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#ifndef TXT_SPINCONTROL_H
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#define TXT_SPINCONTROL_H
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/**
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* @file txt_spinctrl.h
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*
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* Spin control widget.
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*/
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/**
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* Spin control widget.
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*
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* A spin control widget works as an input box that can be used to
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* set numeric values, but also has buttons that allow its value
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* to be increased or decreased.
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*/
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typedef struct txt_spincontrol_s txt_spincontrol_t;
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typedef enum
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{
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TXT_SPINCONTROL_INT,
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TXT_SPINCONTROL_FLOAT,
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} txt_spincontrol_type_t;
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#include "txt_widget.h"
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struct txt_spincontrol_s
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{
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txt_widget_t widget;
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txt_spincontrol_type_t type;
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union { float f; int i; } min, max, *value, step;
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int editing;
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char *buffer;
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size_t buffer_len;
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};
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/**
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* Create a new spin control widget tracking an integer value.
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*
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* @param value Pointer to the variable containing the value
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* displayed in the widget.
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* @param min Minimum value that may be set.
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* @param max Maximum value that may be set.
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* @return Pointer to the new spin control widget.
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*/
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txt_spincontrol_t *TXT_NewSpinControl(int *value, int min, int max);
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/**
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* Create a new spin control widget tracking a float value.
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*
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* @param value Pointer to the variable containing the value
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* displayed in the widget.
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* @param min Minimum value that may be set.
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* @param max Maximum value that may be set.
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* @return Pointer to the new spin control widget.
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*/
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txt_spincontrol_t *TXT_NewFloatSpinControl(float *value, float min, float max);
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#endif /* #ifndef TXT_SPINCONTROL_H */
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