Root/src/menusettingrgba.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 "menusettingrgba.h"
22
23#include "gmenu2x.h"
24#include "iconbutton.h"
25#include "surface.h"
26#include "utilities.h"
27
28#include <sstream>
29
30using std::string;
31using std::stringstream;
32
33MenuSettingRGBA::MenuSettingRGBA(
34        GMenu2X *gmenu2x, Touchscreen &ts_,
35        const string &name, const string &description, RGBAColor *value)
36    : MenuSetting(gmenu2x, name, description)
37    , ts(ts_)
38{
39    edit = false;
40
41    selPart = 0;
42    _value = value;
43    originalValue = *value;
44    this->setR(this->value().r);
45    this->setG(this->value().g);
46    this->setB(this->value().b);
47    this->setA(this->value().a);
48
49    updateButtonBox();
50}
51
52void MenuSettingRGBA::draw(int y) {
53    this->y = y;
54    MenuSetting::draw(y);
55    gmenu2x->s->rectangle( 153, y+1, 11, 11, 0,0,0,255 );
56    gmenu2x->s->box( 154, y+2, 9, 9, value() );
57    gmenu2x->s->write( gmenu2x->font, "R: "+strR, 169, y, Font::HAlignLeft, Font::VAlignTop );
58    gmenu2x->s->write( gmenu2x->font, "G: "+strG, 205, y, Font::HAlignLeft, Font::VAlignTop );
59    gmenu2x->s->write( gmenu2x->font, "B: "+strB, 241, y, Font::HAlignLeft, Font::VAlignTop );
60    gmenu2x->s->write( gmenu2x->font, "A: "+strA, 277, y, Font::HAlignLeft, Font::VAlignTop );
61}
62
63void MenuSettingRGBA::handleTS() {
64    if (ts.pressed()) {
65        for (int i=0; i<4; i++) {
66            if (i!=selPart && ts.inRect(166+i*36,y,36,14)) {
67                selPart = i;
68                i = 4;
69            }
70        }
71    }
72
73    MenuSetting::handleTS();
74}
75
76bool MenuSettingRGBA::handleButtonPress(InputManager::Button button)
77 {
78    if (edit) {
79        switch (button) {
80            case InputManager::LEFT:
81                dec();
82                break;
83            case InputManager::RIGHT:
84                inc();
85                break;
86            case InputManager::ALTLEFT:
87                update_value(-10);
88                break;
89            case InputManager::ALTRIGHT:
90                update_value(10);
91                break;
92            case InputManager::ACCEPT:
93            case InputManager::UP:
94            case InputManager::DOWN:
95                edit = false;
96                updateButtonBox();
97                break;
98            default:
99                return false;
100        }
101    } else {
102        switch (button) {
103            case InputManager::LEFT:
104                leftComponent();
105                break;
106            case InputManager::RIGHT:
107                rightComponent();
108                break;
109            case InputManager::ACCEPT:
110                edit = true;
111                updateButtonBox();
112                break;
113            default:
114                return false;
115        }
116    }
117    return true;
118}
119
120void MenuSettingRGBA::update_value(int value)
121{
122    setSelPart(constrain(getSelPart() + value, 0, 255));
123}
124
125void MenuSettingRGBA::dec()
126{
127    update_value(-1);
128}
129
130void MenuSettingRGBA::inc()
131{
132    update_value(+1);
133}
134
135void MenuSettingRGBA::leftComponent()
136{
137    selPart = constrain(selPart-1,0,3);
138}
139
140void MenuSettingRGBA::rightComponent()
141{
142    selPart = constrain(selPart+1,0,3);
143}
144
145void MenuSettingRGBA::setR(unsigned short r)
146{
147    _value->r = r;
148    stringstream ss;
149    ss << r;
150    ss >> strR;
151}
152
153void MenuSettingRGBA::setG(unsigned short g)
154{
155    _value->g = g;
156    stringstream ss;
157    ss << g;
158    ss >> strG;
159}
160
161void MenuSettingRGBA::setB(unsigned short b)
162{
163    _value->b = b;
164    stringstream ss;
165    ss << b;
166    ss >> strB;
167}
168
169void MenuSettingRGBA::setA(unsigned short a)
170{
171    _value->a = a;
172    stringstream ss;
173    ss << a;
174    ss >> strA;
175}
176
177void MenuSettingRGBA::setSelPart(unsigned short value)
178{
179    switch (selPart) {
180        default: case 0: setR(value); break;
181        case 1: setG(value); break;
182        case 2: setB(value); break;
183        case 3: setA(value); break;
184    }
185}
186
187RGBAColor MenuSettingRGBA::value()
188{
189    return *_value;
190}
191
192unsigned short MenuSettingRGBA::getSelPart()
193{
194    switch (selPart) {
195        default: case 0: return value().r;
196        case 1: return value().g;
197        case 2: return value().b;
198        case 3: return value().a;
199    }
200}
201
202void MenuSettingRGBA::drawSelected(int y)
203{
204    int x = 166+selPart*36;
205    gmenu2x->s->box( x, y, 36, 14, gmenu2x->skinConfColors[COLOR_SELECTION_BG] );
206
207    MenuSetting::drawSelected(y);
208}
209
210bool MenuSettingRGBA::edited()
211{
212    return originalValue.r != value().r || originalValue.g != value().g || originalValue.b != value().b || originalValue.a != value().a;
213}
214
215void MenuSettingRGBA::updateButtonBox()
216{
217    buttonBox.clear();
218    if (edit) {
219        buttonBox.add(new IconButton(gmenu2x, ts, "skin:imgs/buttons/l.png"));
220        buttonBox.add(new IconButton(gmenu2x, ts, "skin:imgs/buttons/left.png", gmenu2x->tr["Decrease"]));
221        buttonBox.add(new IconButton(gmenu2x, ts, "skin:imgs/buttons/r.png"));
222        buttonBox.add(new IconButton(gmenu2x, ts, "skin:imgs/buttons/right.png", gmenu2x->tr["Increase"]));
223        buttonBox.add(new IconButton(gmenu2x, ts, "skin:imgs/buttons/accept.png", gmenu2x->tr["Confirm"]));
224    } else {
225        buttonBox.add(new IconButton(gmenu2x, ts, "skin:imgs/buttons/left.png"));
226        buttonBox.add(new IconButton(gmenu2x, ts, "skin:imgs/buttons/right.png", gmenu2x->tr["Change color component"]));
227        buttonBox.add(new IconButton(gmenu2x, ts, "skin:imgs/buttons/accept.png", gmenu2x->tr["Edit"]));
228    }
229}
230

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