/* ScummVM - Scumm Interpreter * Copyright (C) 2002-2005 The ScummVM project * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * $Header$ */ #include "stdafx.h" #include "base/engine.h" #include "base/version.h" #include "common/system.h" #include "common/util.h" #include "gui/about.h" #include "gui/newgui.h" #include "gui/widget.h" namespace GUI { enum { kScrollStartDelay = 1500, kScrollMillisPerPixel = 80, kXOff = 3, kYOff = 2 }; // The following commands can be put at the start of a line (all subject to change): // \C, \L, \R -- set center/left/right alignment // \c0 - \c4 -- set a custom color: // 0 normal text (green) // 1 highlighted text (light green) // 2 light border (light gray) // 3 dark border (dark gray) // 4 background (black) static const char *credits_intro[] = { "\\C""Copyright (C) 2002-2005 The ScummVM project", "\\C""http://www.scummvm.org", "\\C""", "\\C""LucasArts SCUMM Games (C) LucasArts", "\\C""Humongous SCUMM Games (C) Humongous", "\\C""Simon the Sorcerer (C) Adventure Soft", "\\C""Beneath a Steel Sky (C) Revolution", "\\C""Broken Sword Games (C) Revolution", "\\C""Flight of the Amazon Queen (C) John Passfield", "\\C""and Steve Stamatiadis", "\\C""", "\\C""This program is free software; you can", "\\C""redistribute it and/or modify it under the", "\\C""terms of the GNU General Public License as", "\\C""published by the Free Software Foundation;", "\\C""either version 2 of the License, or (at your", "\\C""option) any later version.", "\\C""", "\\C""This program is distributed in the hope that", "\\C""it will be useful, but WITHOUT ANY WARRANTY;", "\\C""without even the implied warranty of", "\\C""MERCHANTABILITY or FITNESS FOR A PARTICULAR", "\\C""PURPOSE. See the GNU General Public License", "\\C""for more details.", "\\C""", "\\C""You should have received a copy of the GNU", "\\C""General Public License along with this", "\\C""program; if not, write to the Free Software", "\\C""Foundation, Inc., 59 Temple Place - Suite 330,", "\\C""Boston, MA 02111-1307, USA.", "\\C""" }; #include "gui/credits.h" AboutDialog::AboutDialog() : Dialog(10, 20, 300, 174), _scrollPos(0), _scrollTime(0), _modifiers(0), _willClose(false) { int i; _lineHeight = g_gui.getFontHeight() + 3; for (i = 0; i < 1; i++) _lines.push_back(""); Common::String version("\\C\\c0""ScummVM "); version += gScummVMVersion; _lines.push_back(version); Common::String date("\\C\\c2""(built on "); date += gScummVMBuildDate; date += ')'; _lines.push_back(date); Common::String features("\\C\\c2""Supports: "); features += gScummVMFeatures; _lines.push_back(features); _lines.push_back(""); for (i = 0; i < ARRAYSIZE(credits_intro); i++) _lines.push_back(credits_intro[i]); for (i = 0; i < ARRAYSIZE(credits); i++) _lines.push_back(credits[i]); } void AboutDialog::open() { _scrollTime = getMillis() + kScrollStartDelay; _scrollPos = 0; _modifiers = 0; _willClose = false; Dialog::open(); } void AboutDialog::drawDialog() { // Blend over the background g_gui.blendRect(_x, _y, _w, _h, g_gui._bgcolor); // Draw text // TODO: Add a "fade" effect for the top/bottom text lines const int firstLine = _scrollPos / _lineHeight; const int lastLine = MIN((_scrollPos + _h) / _lineHeight + 1, (uint32)_lines.size()); int y = _y + kYOff - (_scrollPos % _lineHeight); for (int line = firstLine; line < lastLine; line++) { const char *str = _lines[line].c_str(); Graphics::TextAlignment align = Graphics::kTextAlignCenter; OverlayColor color = g_gui._textcolor; while (str[0] == '\\') { switch (str[1]) { case 'C': align = Graphics::kTextAlignCenter; break; case 'L': align = Graphics::kTextAlignLeft; break; case 'R': align = Graphics::kTextAlignRight; break; case 'c': switch (str[2]) { case '0': color = g_gui._textcolor; break; case '1': color = g_gui._textcolorhi; break; case '2': color = g_gui._color; break; case '3': color = g_gui._shadowcolor; break; case '4': color = g_gui._bgcolor; break; default: warning("Unknown color type '%c'", str[2]); } str++; break; default: warning("Unknown scroller opcode '%c'\n", str[1]); break; } str += 2; } // Trim leading whitespaces if center mode is on if (align == Graphics::kTextAlignCenter) while (*str && *str == ' ') str++; g_gui.drawString(str, _x + kXOff, y, _w - 2 * kXOff, color, align); y += _lineHeight; } // Draw a border g_gui.box(_x, _y, _w, _h, g_gui._color, g_gui._shadowcolor); // Finally blit it all to the screen g_gui.addDirtyRect(_x, _y, _w, _h); } void AboutDialog::handleTickle() { const uint32 t = getMillis(); int scrollOffset = ((int)t - (int)_scrollTime) / kScrollMillisPerPixel; if (scrollOffset > 0) { // Scroll faster when shift is pressed if (_modifiers & OSystem::KBD_SHIFT) scrollOffset *= 4; // Reverse scrolling when alt is pressed if (_modifiers & OSystem::KBD_ALT) scrollOffset *= -1; _scrollPos += scrollOffset; _scrollTime = t; if (_scrollPos < 0) { _scrollPos = 0; } else if ((uint32)_scrollPos > _lines.size() * _lineHeight) { _scrollPos = 0; _scrollTime += kScrollStartDelay; } else { g_gui.addDirtyRect(_x, _y, _w, _h); } draw(); // Issue a full redraw } } void AboutDialog::handleMouseUp(int x, int y, int button, int clickCount) { // Close upon any mouse click close(); } void AboutDialog::handleKeyDown(uint16 ascii, int keycode, int modifiers) { _modifiers = modifiers; if (ascii) _willClose = true; } void AboutDialog::handleKeyUp(uint16 ascii, int keycode, int modifiers) { _modifiers = modifiers; if (ascii && _willClose) close(); } } // End of namespace GUI