Root/src/menusettingint.cpp

1/***************************************************************************
2 * Copyright (C) 2006 by Massimiliano Torromeo *
3 * massimiliano.torromeo@gmail.com *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 * *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
20
21#include "menusettingint.h"
22
23#include "delegate.h"
24#include "gmenu2x.h"
25#include "iconbutton.h"
26#include "surface.h"
27#include "utilities.h"
28
29#include <sstream>
30
31using std::string;
32using std::stringstream;
33
34MenuSettingInt::MenuSettingInt(
35        GMenu2X *gmenu2x, Touchscreen &ts,
36        const string &name, const string &description,
37        int *value, int min, int max, int increment)
38    : MenuSetting(gmenu2x,name,description)
39{
40    IconButton *btn;
41
42    _value = value;
43    originalValue = *value;
44    this->min = min;
45    this->max = max;
46    this->increment = increment;
47    setValue(this->value());
48
49    //Delegates
50    function_t actionInc = BIND(&MenuSettingInt::inc);
51    function_t actionDec = BIND(&MenuSettingInt::dec);
52
53    btn = new IconButton(gmenu2x, ts, "skin:imgs/buttons/l.png");
54    btn->setAction(actionDec);
55    buttonBox.add(btn);
56
57    btn = new IconButton(gmenu2x, ts, "skin:imgs/buttons/left.png", gmenu2x->tr["Decrease"]);
58    btn->setAction(actionDec);
59    buttonBox.add(btn);
60
61    btn = new IconButton(gmenu2x, ts, "skin:imgs/buttons/r.png");
62    btn->setAction(actionInc);
63    buttonBox.add(btn);
64
65    btn = new IconButton(gmenu2x, ts, "skin:imgs/buttons/right.png", gmenu2x->tr["Increase"]);
66    btn->setAction(actionInc);
67    buttonBox.add(btn);
68}
69
70void MenuSettingInt::draw(int y)
71{
72    MenuSetting::draw(y);
73    gmenu2x->s->write(gmenu2x->font, strvalue, 155, y, Font::HAlignLeft, Font::VAlignTop);
74}
75
76bool MenuSettingInt::handleButtonPress(InputManager::Button button)
77{
78    switch (button) {
79        case InputManager::LEFT:
80            dec();
81            break;
82        case InputManager::RIGHT:
83            inc();
84            break;
85        case InputManager::ALTLEFT:
86            setValue(value() - 10 * increment);
87            break;
88        case InputManager::ALTRIGHT:
89            setValue(value() + 10 * increment);
90            break;
91        default:
92            return false;
93    }
94    return true;
95}
96
97void MenuSettingInt::inc()
98{
99    setValue(value() + increment);
100}
101
102void MenuSettingInt::dec()
103{
104    setValue(value() - increment);
105}
106
107void MenuSettingInt::setValue(int value)
108{
109    *_value = constrain(value,min,max);
110    stringstream ss;
111    ss << *_value;
112    strvalue = "";
113    ss >> strvalue;
114}
115
116int MenuSettingInt::value()
117{
118    return *_value;
119}
120
121bool MenuSettingInt::edited()
122{
123    return originalValue != value();
124}
125

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