Root/src/settingsdialog.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 "settingsdialog.h"
22
23#include "gmenu2x.h"
24#include "menusetting.h"
25
26#include <SDL.h>
27#include <SDL_gfxPrimitives.h>
28
29using namespace std;
30
31SettingsDialog::SettingsDialog(
32        GMenu2X *gmenu2x_, InputManager &inputMgr_, Touchscreen &ts_,
33        const string &text_, const string &icon)
34    : Dialog(gmenu2x_)
35    , inputMgr(inputMgr_)
36    , ts(ts_)
37    , text(text_)
38{
39    if (!icon.empty() && gmenu2x->sc[icon] != NULL) {
40        this->icon = icon;
41    } else {
42        this->icon = "icons/generic.png";
43    }
44}
45
46SettingsDialog::~SettingsDialog() {
47    for (vector<MenuSetting *>::iterator it = voices.begin();
48            it != voices.end(); ++it) {
49        delete *it;
50    }
51}
52
53bool SettingsDialog::exec() {
54    Surface bg(gmenu2x->bg);
55    bg.convertToDisplayFormat();
56
57    bool close = false, ts_pressed = false;
58    uint i, sel = 0, firstElement = 0;
59
60    const int topBarHeight = gmenu2x->skinConfInt["topBarHeight"];
61    SDL_Rect clipRect = {
62        0,
63        static_cast<Sint16>(topBarHeight + 1),
64        static_cast<Uint16>(gmenu2x->resX - 9),
65        static_cast<Uint16>(gmenu2x->resY - topBarHeight - 25)
66    };
67    SDL_Rect touchRect = {
68        2,
69        static_cast<Sint16>(topBarHeight + 4),
70        static_cast<Uint16>(gmenu2x->resX - 12),
71        static_cast<Uint16>(clipRect.h)
72    };
73    uint rowHeight = gmenu2x->font->getHeight() + 1; // gp2x=15+1 / pandora=19+1
74    uint numRows = (gmenu2x->resY - topBarHeight - 20) / rowHeight;
75
76    while (!close) {
77        if (ts.available()) ts.poll();
78
79        bg.blit(gmenu2x->s,0,0);
80
81        gmenu2x->drawTopBar(gmenu2x->s);
82        //link icon
83        drawTitleIcon(icon);
84        writeTitle(text);
85
86        gmenu2x->drawBottomBar(gmenu2x->s);
87
88        if (sel>firstElement+numRows-1) firstElement=sel-numRows+1;
89        if (sel<firstElement) firstElement=sel;
90
91        //selection
92        uint iY = topBarHeight + 2 + (sel - firstElement) * rowHeight;
93        gmenu2x->s->setClipRect(clipRect);
94        if (sel<voices.size()) {
95            gmenu2x->s->box(
96                1, iY, 148, rowHeight - 2,
97                gmenu2x->skinConfColors[COLOR_SELECTION_BG]
98            );
99        }
100        gmenu2x->s->clearClipRect();
101
102        //selected option
103        voices[sel]->drawSelected(iY);
104
105        gmenu2x->s->setClipRect(clipRect);
106        if (ts_pressed && !ts.pressed()) {
107            ts_pressed = false;
108        }
109        if (ts.available() && ts.pressed() && !ts.inRect(touchRect)) {
110            ts_pressed = false;
111        }
112        for (i=firstElement; i<voices.size() && i<firstElement+numRows; i++) {
113            iY = i-firstElement;
114            voices[i]->draw(iY * rowHeight + topBarHeight + 2);
115            if (ts.available() && ts.pressed() && ts.inRect(
116                    touchRect.x, touchRect.y + (iY * rowHeight),
117                    touchRect.w, rowHeight
118                    )) {
119                ts_pressed = true;
120                sel = i;
121            }
122        }
123        gmenu2x->s->clearClipRect();
124
125        gmenu2x->drawScrollBar(numRows, voices.size(), firstElement);
126
127        //description
128        writeSubTitle(voices[sel]->getDescription());
129
130        gmenu2x->s->flip();
131        voices[sel]->handleTS();
132
133        InputManager::Button button = inputMgr.waitForPressedButton();
134        if (!voices[sel]->handleButtonPress(button)) {
135            switch (button) {
136                case InputManager::SETTINGS:
137                    close = true;
138                    break;
139                case InputManager::UP:
140                    if (sel == 0) {
141                        sel = voices.size() - 1;
142                    } else {
143                        sel -= 1;
144                    }
145                    break;
146                case InputManager::DOWN:
147                    sel += 1;
148                    if (sel>=voices.size()) sel = 0;
149                default:
150                    break;
151            }
152        }
153    }
154
155    return true;
156}
157
158void SettingsDialog::addSetting(MenuSetting *set) {
159    voices.push_back(set);
160}
161
162bool SettingsDialog::edited() {
163    for (uint i=0; i < voices.size(); i++) {
164        if (voices[i]->edited()) return true;
165    }
166    return false;
167}
168

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