mirror of
git://projects.qi-hardware.com/gmenu2x.git
synced 2024-06-28 12:39:50 +03:00
120 lines
4.1 KiB
C++
120 lines
4.1 KiB
C++
/***************************************************************************
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* Copyright (C) 2006 by Massimiliano Torromeo *
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* massimiliano.torromeo@gmail.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (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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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#include "textdialog.h"
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#include "gmenu2x.h"
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#include "utilities.h"
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#include <algorithm>
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using namespace std;
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TextDialog::TextDialog(GMenu2X *gmenu2x, const string &title, const string &description, const string &icon, const string &text)
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: Dialog(gmenu2x)
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{
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split(this->text, gmenu2x->font->wordWrap(text, (int) gmenu2x->resX - 15), "\n");
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this->title = title;
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this->description = description;
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this->icon = icon;
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}
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void TextDialog::drawText(const vector<string> &text, unsigned int y,
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unsigned int firstRow, unsigned int rowsPerPage)
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{
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Surface& s = *gmenu2x->s;
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const int fontHeight = gmenu2x->font->getLineSpacing();
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for (unsigned i = firstRow; i < firstRow + rowsPerPage && i < text.size(); i++) {
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const string &line = text.at(i);
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int rowY = y + (i - firstRow) * fontHeight;
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if (line == "----") { // horizontal ruler
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rowY += fontHeight / 2;
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s.box(5, rowY, gmenu2x->resX - 16, 1, 255, 255, 255, 130);
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s.box(5, rowY+1, gmenu2x->resX - 16, 1, 0, 0, 0, 130);
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} else {
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gmenu2x->font->write(s, line, 5, rowY);
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}
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}
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gmenu2x->drawScrollBar(rowsPerPage, text.size(), firstRow);
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}
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void TextDialog::exec() {
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bool close = false;
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OffscreenSurface bg(*gmenu2x->bg);
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//link icon
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if (!fileExists(icon))
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drawTitleIcon(bg, "icons/ebook.png", true);
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else
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drawTitleIcon(bg, icon, false);
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writeTitle(bg, title);
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writeSubTitle(bg, description);
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int x = 5;
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x = gmenu2x->drawButton(bg, "up", "", x);
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x = gmenu2x->drawButton(bg, "down", gmenu2x->tr["Scroll"], x);
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x = gmenu2x->drawButton(bg, "cancel", "", x);
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x = gmenu2x->drawButton(bg, "start", gmenu2x->tr["Exit"], x);
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bg.convertToDisplayFormat();
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const int fontHeight = gmenu2x->font->getLineSpacing();
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unsigned int contentY, contentHeight;
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tie(contentY, contentHeight) = gmenu2x->getContentArea();
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const unsigned rowsPerPage = max(contentHeight / fontHeight, 1u);
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const unsigned maxFirstRow =
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text.size() < rowsPerPage ? 0 : text.size() - rowsPerPage;
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contentY += (contentHeight % fontHeight) / 2;
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unsigned firstRow = 0;
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while (!close) {
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OutputSurface& s = *gmenu2x->s;
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bg.blit(s, 0, 0);
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drawText(text, contentY, firstRow, rowsPerPage);
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s.flip();
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switch(gmenu2x->input.waitForPressedButton()) {
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case InputManager::UP:
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if (firstRow > 0) firstRow--;
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break;
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case InputManager::DOWN:
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if (firstRow < maxFirstRow) firstRow++;
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break;
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case InputManager::ALTLEFT:
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if (firstRow >= rowsPerPage - 1) firstRow -= rowsPerPage - 1;
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else firstRow = 0;
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break;
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case InputManager::ALTRIGHT:
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firstRow = min(firstRow + rowsPerPage - 1, maxFirstRow);
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break;
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case InputManager::SETTINGS:
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case InputManager::CANCEL:
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close = true;
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break;
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default:
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break;
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}
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}
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}
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