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/* 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
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