Fancy about dialog

svn-id: r16140

2 files changed, 305 insertions, 20 deletions

diff --git a/gui/about.cpp b/gui/about.cpp
index 88bb98f87c..d9641d8c96 100644
--- a/gui/about.cpp
+++ b/gui/about.cpp
@@ -27,36 +27,306 @@
 
 namespace GUI {
 
+enum {
+	kScrollStartDelay = 3000,
+	kScrollMillisPerPixel = 80,
+	
+	kXOff = 3,
+	kYOff = 2
+};
+
+// TODO: Probably should display something regarding GPL
+// We could just list our full credits section here now...
+//
+// 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)
+const char *about_lines[] = {
+"\\C""Copyright (C) 2002-2004 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\\c1""The ScummVM team:",
+"\\L\\c0""  James Brown",
+"\\L\\c2""    Lead developer",
+"\\L\\c0""  Max Horn",
+"\\L\\c2""    Lead developer",
+"\\L\\c0""  Torbjorn Andersson",
+"\\L\\c2""    Engine: SCUMM, Broken Sword II",
+"\\L\\c0""  David Eriksson",
+"\\L\\c2""    Engine: Flight of the Amazon Queen",
+"\\L\\c0""  Robert Goeffringmann",
+"\\L\\c2""    Engine: Beneath a Steel Sky, Broken Sword I",
+"\\L\\c0""  Jonathan Gray",
+"\\L\\c2""    Engine: SCUMM, Broken Sword II",
+"\\L\\c0""  Travis Howell",
+"\\L\\c2""    Engine: SCUMM, Simon the Sorcerer",
+"\\L\\c0""  Oliver Kiehl",
+"\\L\\c2""    Engine: Beneath a Steel Sky, Simon",
+"\\L\\c0""  Pawel Kolodziejski",
+"\\L\\c2""    Engine: SCUMM (Codecs, iMUSE, Smush, etc.)",
+"\\L\\c0""  Gregory Montoir",
+"\\L\\c2""    Engine: Flight of the Amazon Queen",
+"\\L\\c0""  Joost Peters",
+"\\L\\c2""    Engine: Beneath a Steel Sky, Flight of the",
+"\\L\\c2""    Amazon Queen",
+"\\L\\c0""  Eugene Sandulenko",
+"\\L\\c2""    Engine: SCUMM (FT INSANE, bugfixes)",
+"\\L\\c0""  Chris Apers",
+"\\L\\c2""    Port: PalmOS",
+"\\L\\c0""  Nicolas Bacca",
+"\\L\\c2""    Port: PocketPC/WinCE port",
+"\\L\\c0""  Marcus Comstedt",
+"\\L\\c2""    Port: Dreamcast",
+"\\L\\c0""  Ruediger Hanke",
+"\\L\\c2""    Port: MorphOS",
+"\\L\\c0""  Peter Moraliyski",
+"\\L\\c2""    Port: GP32",
+"\\L\\c0""  Lionel Ulmer",
+"\\L\\c2""    Port: X11",
+"\\L\\c0""  Jamieson Christian",
+"\\L\\c2""    iMUSE, MIDI, all things musical.",
+"\\L\\c0""  Jochen Hoenicke",
+"\\L\\c2""    Speaker & PCjr sound support, Adlib work",
+"\\L\\c0""  Jeremy Newman",
+"\\L\\c2""    Webmaster",
+"\\L\\c0""",
+"\\C\\c1""Retired Team Members:",
+"\\L\\c0""  Ralph Brorsen",
+"\\L\\c2""    Help with GUI implementation",
+"\\L\\c0""  Vincent Hamm",
+"\\L\\c2""    Co-Founder",
+"\\L\\c0""  Felix Jakschitsch",
+"\\L\\c2""    Zak256 reverse engineering",
+"\\L\\c0""  Mutwin Kraus",
+"\\L\\c2""    Original MacOS porter",
+"\\L\\c0""  Ludvig Strigeus",
+"\\L\\c2""    Original ScummVM and SimonVM author",
+"\\L\\c0""",
+"\\C\\c1""Contributors:",
+"\\L\\c0""  Andreas Roever",
+"\\L\\c2""    Broken Sword 1/2 MPEG2 cutscene support",
+"\\L\\c0""  Quietust",
+"\\L\\c2""    Sound support for Amiga SCUMM V2",
+"\\L\\c2""    V3 games",
+"\\L\\c0""  Stuart Caie",
+"\\L\\c2""    Decoders for Simon 1 Amiga data files",
+"\\L\\c0""  Janne Huttunen",
+"\\L\\c2""    V3 actor mask support, Dig/FT Smush audio",
+"\\L\\c0""  Kovacs Endre Janos",
+"\\L\\c2""    Several fixes for Simon1",
+"\\L\\c0""  Jeroen Janssen",
+"\\L\\c2""    Numerous readability and bugfix patches",
+"\\L\\c0""  Claudio Matsuoka",
+"\\L\\c2""    Daily Linux/BeOS builds ",
+"\\L\\c0""  Mikesch Nepomuk",
+"\\L\\c2""    MI1 VGA floppy patches.",
+"\\L\\c0""  Nicolas Noble",
+"\\L\\c2""    Config file and ALSA support",
+"\\L\\c0""  Edward Rudd",
+"\\L\\c2""    Fixes for playing MP3 versions of MI1/Loom",
+"\\L\\c2""    audio",
+"\\L\\c0""  Daniel Schepler",
+"\\L\\c2""    Final MI1 CD music support/Initial Ogg",
+"\\L\\c2""    Vorbis support",
+"\\L\\c0""  Andre Souza",
+"\\L\\c2""    SDL-based OpenGL renderer",
+"\\L\\c0""  Tim 'realmz'",
+"\\L\\c2""    Initial MI1 CD music support",
+"\\L\\c0""  Tore Anderson",
+"\\L\\c2""    Packaging for Debian GNU/Linux",
+"\\L\\c0""",
+"\\L\\c0""  And to all the contributors, users, and beta",
+"\\L\\c0""  testers we've missed. Thanks!",
+"\\L\\c0""",
+"\\C\\c1""Special thanks to:",
+"\\L\\c0""  Sander Buskens",
+"\\L\\c2""    For his work on the initial reversing of",
+"\\L\\c2""    Monkey2",
+"\\L\\c0""  Canadacow",
+"\\L\\c2""    For his MT-32 emulator",
+"\\L\\c0""  Kevin Carnes",
+"\\L\\c2""    For Scumm16, the basis of ScummVM older",
+"\\L\\c2""    gfx codec",
+"\\L\\c0""  Jezar",
+"\\L\\c2""    For his freeverb filter implementation",
+"\\L\\c0""  Jim Leiterman",
+"\\L\\c2""    Various info on his FM-TOWNS/Marty SCUMM",
+"\\L\\c2""    ports",
+"\\L\\c0""  Jimmi Thogersen",
+"\\L\\c2""    For ScummRev, and much obscure",
+"\\L\\c2""    code/documentation",
+"\\L\\c0""  Tristan",
+"\\L\\c2""    For his Linux port of MT-32 emulator",
+"\\L\\c0""",
+"\\L\\c0""Tony Warriner and everyone at Revolution",
+"\\L\\c0""Software Ltd. for sharing with us the source",
+"\\L\\c0""of some of their brilliant games, allowing us",
+"\\L\\c0""to release Beneath a Steel Sky as freeware...",
+"\\L\\c0""and generally being supportive above and",
+"\\L\\c0""beyond the call of duty.",
+"\\L\\c0""",
+"\\L\\c0""John Passfield and Steve Stamatiadis for",
+"\\L\\c0""sharing the source of their classic title,",
+"\\L\\c0""Flight of the Amazon Queen and also being",
+"\\L\\c0""incredibly supportive.",
+"\\L\\c0""",
+"\\L\\c0""Aric Wilmunder, Ron Gilbert, David Fox, Vince",
+"\\L\\c0""Lee, and all those at LucasFilm/LucasArts who",
+"\\L\\c0""made SCUMM the insane mess to reimplement",
+"\\L\\c0""that it is today. Feel free to drop us a line",
+"\\L\\c0""and tell us what you think, guys!",
+};
+
 AboutDialog::AboutDialog()
-	: Dialog(10, 20, 300, 174) {
+	: Dialog(10, 20, 300, 174),
+	_scrollPos(0), _scrollTime(0) {
+	
+	int i;
 	
-	addButton((_w - kButtonWidth) / 2, 150, "OK", kCloseCmd, '\r');	// Close dialog - FIXME
+	_lineHeight = g_gui.getFont().getFontHeight() + 3;
 
-	Common::String version("ScummVM ");
+	for (i = 0; i < 1; i++)
+		_lines.push_back("");
+
+	Common::String version("\\C\\c0""ScummVM ");
 	version += gScummVMVersion;
-	new StaticTextWidget(this, 0, 10, _w, kLineHeight, version, kTextAlignCenter);
+	_lines.push_back(version);
 
-	Common::String date("(built on ");
+	Common::String date("\\C\\c2""(built on ");
 	date += gScummVMBuildDate;
 	date += ')';
-	new StaticTextWidget(this, 0, 20, _w, kLineHeight, date, kTextAlignCenter);
+	_lines.push_back(date);
 
-	Common::String features("Supports: ");
+	Common::String features("\\C\\c2""Supports: ");
 	features += gScummVMFeatures;
-	new StaticTextWidget(this, 0, 30, _w, kLineHeight, features, kTextAlignCenter );
+	_lines.push_back(features);
+
+	_lines.push_back("");
 	
+	for (i = 0; i < ARRAYSIZE(about_lines); i++)
+		_lines.push_back(about_lines[i]);
+}
+
+void AboutDialog::open() {
+	_scrollTime = g_system->getMillis() + kScrollStartDelay;
+	_scrollPos = 0;
+
+	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, _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++;
 	
-	// TODO: Probably should display something regarding GPL
-	new StaticTextWidget(this, 0, 45, _w, kLineHeight, "Copyright (C) 2002-2004 The ScummVM project", kTextAlignCenter);
-	new StaticTextWidget(this, 0, 55, _w, kLineHeight, "http://www.scummvm.org", kTextAlignCenter);
-
-	new StaticTextWidget(this, 0, 75, _w, kLineHeight, "LucasArts SCUMM Games (C) LucasArts", kTextAlignCenter);
-	new StaticTextWidget(this, 0, 85, _w, kLineHeight, "Humongous SCUMM Games (C) Humongous", kTextAlignCenter);
-	new StaticTextWidget(this, 0, 95, _w, kLineHeight, "Simon the Sorcerer (C) Adventure Soft", kTextAlignCenter);
-	new StaticTextWidget(this, 0, 105, _w, kLineHeight, "Beneath a Steel Sky (C) Revolution", kTextAlignCenter);
-	new StaticTextWidget(this, 0, 115, _w, kLineHeight, "Broken Sword Games (C) Revolution", kTextAlignCenter);
-	new StaticTextWidget(this, 0, 125, _w, kLineHeight, "Flight of the Amazon Queen (C) John Passfield", kTextAlignCenter);
-	new StaticTextWidget(this, 0, 135, _w, kLineHeight, "and Steve Stamatiadis", kTextAlignCenter);
+		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 = g_system->getMillis();
+	int scrollOffset = ((int)t - (int)_scrollTime) / kScrollMillisPerPixel;
+	if (scrollOffset > 0) {
+		_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) {
+}
+
+void AboutDialog::handleKeyUp(uint16 ascii, int keycode, int modifiers) {
+	close();
+}
+
+
 } // End of namespace GUI
diff --git a/gui/about.h b/gui/about.h
index de2d1f3ce4..13ad79c7d6 100644
--- a/gui/about.h
+++ b/gui/about.h
@@ -21,13 +21,28 @@
 #ifndef ABOUT_DIALOG_H
 #define ABOUT_DIALOG_H
 
-#include "dialog.h"
+#include "gui/dialog.h"
+#include "common/str.h"
 
 namespace GUI {
 
 class AboutDialog : public Dialog {
+	typedef Common::StringList StringList;
+protected:
+	int			_scrollPos;
+	uint32		_scrollTime;
+	StringList	_lines;
+	uint32		_lineHeight;
+
 public:
 	AboutDialog();
+
+	void open();
+	void drawDialog();
+	void handleTickle();
+	void handleMouseUp(int x, int y, int button, int clickCount);
+	void handleKeyDown(uint16 ascii, int keycode, int modifiers);
+	void handleKeyUp(uint16 ascii, int keycode, int modifiers);
 };
 
 } // End of namespace GUI