1 files changed, 337 insertions, 0 deletions
diff --git a/gui/ThemeModern.h b/gui/ThemeModern.h
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+++ b/gui/ThemeModern.h
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+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#ifndef GUI_THEMEMODERN_H
+#define GUI_THEMEMODERN_H
+
+#ifndef DISABLE_FANCY_THEMES
+
+#include "gui/theme.h"
+
+namespace GUI {
+
+class ThemeModern : public Theme {
+public:
+	ThemeModern(OSystem *system, const Common::String &stylefile, const Common::ConfigFile *cfg = 0);
+	virtual ~ThemeModern();
+
+	bool init();
+	void deinit();
+
+	void refresh();
+
+	bool ownCursor() { return _useCursor; }
+
+	void enable();
+	void disable();
+	
+	void openDialog(bool topDialog);
+	void closeDialog();
+
+	void clearAll();
+	void drawAll();
+	
+	void setDrawArea(const Common::Rect &r);
+	void resetDrawArea();
+
+	const Graphics::Font *getFont(FontStyle font = kFontStyleBold) const { return _fonts[font]; }
+	int getFontHeight(FontStyle font = kFontStyleBold) const { if (_fonts[font]) return _fonts[font]->getFontHeight(); return 0; }
+	int getStringWidth(const Common::String &str, FontStyle font = kFontStyleBold) const { if (_fonts[font]) return _fonts[font]->getStringWidth(str); return 0; }
+	int getCharWidth(byte c, FontStyle font = kFontStyleBold) const { if (_fonts[font]) return _fonts[font]->getCharWidth(c); return 0; }
+
+	void drawDialogBackground(const Common::Rect &r, uint16 hints, State state);
+	void drawText(const Common::Rect &r, const Common::String &str, State state, TextAlign align, bool inverted, int deltax, bool useEllipsis, FontStyle font);
+	void drawChar(const Common::Rect &r, byte ch, const Graphics::Font *font, State state);
+
+	void drawWidgetBackground(const Common::Rect &r, uint16 hints, WidgetBackground background, State state);
+	void drawButton(const Common::Rect &r, const Common::String &str, State state, uint16 hints);
+	void drawSurface(const Common::Rect &r, const Graphics::Surface &surface, State state, int alpha, bool themeTrans);
+	void drawSlider(const Common::Rect &r, int width, State state);
+	void drawCheckbox(const Common::Rect &r, const Common::String &str, bool checked, State state);
+	void drawTab(const Common::Rect &r, int tabHeight, int tabWidth, const Common::Array<Common::String> &tabs, int active, uint16 hints, int titleVPad, State state);
+	void drawScrollbar(const Common::Rect &r, int sliderY, int sliderHeight, ScrollbarState, State state);
+	void drawPopUpWidget(const Common::Rect &r, const Common::String &sel, int deltax, State state, TextAlign align);
+	void drawCaret(const Common::Rect &r, bool erase, State state);
+	void drawLineSeparator(const Common::Rect &r, State state);
+
+	void restoreBackground(Common::Rect r, bool special = false);
+	bool addDirtyRect(Common::Rect r, bool backup = false, bool special = false);
+
+	int getTabSpacing() const;
+	int getTabPadding() const;
+
+	bool supportsImages() const { return true; }
+	const Graphics::Surface *getImageSurface(const kThemeImages n) const { return n == kImageLogo ? _images[kThemeLogo] : 0; }
+private:
+	void colorFade(const Common::Rect &r, OverlayColor start, OverlayColor end, uint factor = 1);
+	void drawRect(const Common::Rect &r, const Graphics::Surface *corner, const Graphics::Surface *top,
+				const Graphics::Surface *left, const Graphics::Surface *fill, int alpha, bool skipLastRow = false);
+	void drawRectMasked(const Common::Rect &r, const Graphics::Surface *corner, const Graphics::Surface *top,
+						const Graphics::Surface *left, const Graphics::Surface *fill, int alpha,
+						OverlayColor start, OverlayColor end, uint factor = 1, bool skipLastRow = false, bool skipTopRow = false);
+	void drawSurface(const Common::Rect &r, const Graphics::Surface *surf, bool upDown, bool leftRight, int alpha);
+	void drawSurfaceMasked(const Common::Rect &r, const Graphics::Surface *surf, bool upDown, bool leftRight, int alpha,
+							OverlayColor start, OverlayColor end, uint factor = 1);
+
+	enum ShadowStyles {
+		kShadowFull = 0,
+		kShadowSmall = 1,
+		kShadowButton = 2,
+		kShadowEmboss = 3,
+		kShadowPopUp = 4
+	};
+
+	Common::Rect shadowRect(const Common::Rect &r, uint32 shadowStyle);
+	void drawShadow(const Common::Rect &r, const Graphics::Surface *corner, const Graphics::Surface *top,
+					const Graphics::Surface *left, const Graphics::Surface *fill, uint32 shadowStyle, bool skipLastRow = false,
+					bool skipTopRow = false);
+	void drawShadowRect(const Common::Rect &r, const Common::Rect &area, const Graphics::Surface *corner,
+						const Graphics::Surface *top, const Graphics::Surface *left, const Graphics::Surface *fill,
+						int alpha, bool skipLastRow = false, bool skipTopRow = false);
+
+	int _shadowLeftWidth, _shadowRightWidth;
+	int _shadowTopHeight, _shadowBottomHeight;
+
+	OSystem *_system;
+	Graphics::Surface _screen;
+	Common::Rect _shadowDrawArea;
+
+	bool _initOk;
+	bool _forceRedraw;
+	bool _enabled;
+
+	int _lastUsedBitMask;
+	void resetupGuiRenderer();
+	void setupColors();
+
+	OverlayColor getColor(State state);
+
+	struct DialogState {
+		Graphics::Surface screen;
+	} *_dialog;
+
+	void setupFonts();
+	void deleteFonts();
+
+	void setupFont(const Common::String &key, const Common::String &name, FontStyle style);
+
+	const Graphics::Font *_fonts[kFontStyleMax];
+
+private:
+	void processExtraValues();
+
+	enum ImageHandles {
+		kDialogBkgdCorner = 0,
+		kDialogBkgdTop = 1,
+		kDialogBkgdLeft = 2,
+		kDialogBkgd = 3,
+		
+		kWidgetBkgdCorner = 4,
+		kWidgetBkgdTop = 5,
+		kWidgetBkgdLeft = 6,
+		kWidgetBkgd = 7,
+		
+		kCheckboxEmpty = 8,
+		kCheckboxChecked = 9,
+		
+		kWidgetArrow = 10,
+		
+		kTabBkgdCorner = 11,
+		kTabBkgdTop = 12,
+		kTabBkgdLeft = 13,
+		kTabBkgd = 14,
+		
+		kSliderBkgdCorner = 15,
+		kSliderBkgdTop = 16,
+		kSliderBkgdLeft = 17,
+		kSliderBkgd = 18,
+		
+		kSliderCorner = 19,
+		kSliderTop = 20,
+		kSliderLeft = 21,
+		kSlider = 22,
+		
+		kScrollbarBkgdCorner = 23,
+		kScrollbarBkgdTop = 24,
+		kScrollbarBkgdLeft = 25,
+		kScrollbarBkgd = 26,
+		
+		kScrollbarCorner = 27,
+		kScrollbarTop = 28,
+		kScrollbarLeft = 29,
+		kScrollbar = 30,
+		
+		kButtonBkgdCorner = 31,
+		kButtonBkgdTop = 32,
+		kButtonBkgdLeft = 33,
+		kButtonBkgd = 34,
+		
+		kWidgetSmallBkgdCorner = 35,
+		kWidgetSmallBkgdTop = 36,
+		kWidgetSmallBkgdLeft = 37,
+		kWidgetSmallBkgd = 38,
+
+		kThemeLogo = 39,
+
+		kPopUpWidgetBkgdCorner = 40,
+		kPopUpWidgetBkgdTop = 41,
+		kPopUpWidgetBkgdLeft = 42,
+		kPopUpWidgetBkgd = 43,
+
+		kEditTextBkgdCorner = 44,
+		kEditTextBkgdTop = 45,
+		kEditTextBkgdLeft = 46,
+		kEditTextBkgd = 47,
+
+		kGUICursor = 48,
+	
+		kImageHandlesMax
+	};
+
+private:
+	int _dimPercentValue;
+	typedef OverlayColor (ThemeModern::*InactiveDialogCallback)(OverlayColor col);	
+	InactiveDialogCallback _dialogShadingCallback;
+	
+	OverlayColor calcLuminance(OverlayColor col);
+	OverlayColor calcDimColor(OverlayColor col);
+
+	bool _useCursor;
+	void setUpCursor();
+	void createCursor();
+	int _cursorHotspotX, _cursorHotspotY;
+	int _cursorTargetScale;
+#define MAX_CURS_COLORS 255
+	byte *_cursor;
+	bool _needPaletteUpdates;
+	uint _cursorWidth, _cursorHeight;
+	byte _cursorPal[4*MAX_CURS_COLORS];
+
+private:
+	Common::String _imageHandles[kImageHandlesMax];
+	const Graphics::Surface **_images;
+	
+	enum ColorHandles {
+		kMainDialogStart = 0,
+		kMainDialogEnd = 1,
+		
+		kDialogStart = 2,
+		kDialogEnd = 3,
+		
+		kColorStateDisabled = 4,
+		kColorStateHighlight = 5,
+		kColorStateEnabled = 6,
+		kColorTransparency = 7,
+		
+		kTextInvertedBackground = 8,
+		kTextInvertedColor = 9,
+		
+		kWidgetBackgroundStart = 10,
+		kWidgetBackgroundEnd = 11,
+		kWidgetBackgroundSmallStart = 12,
+		kWidgetBackgroundSmallEnd = 13,
+		
+		kButtonBackgroundStart = 14,
+		kButtonBackgroundEnd = 15,
+		kButtonTextEnabled = 16,
+		kButtonTextDisabled = 17,
+		kButtonTextHighlight = 18,
+		
+		kSliderBackgroundStart = 19,
+		kSliderBackgroundEnd = 20,
+		kSliderStart = 21,
+		kSliderEnd = 22,
+		
+		kTabBackgroundStart = 23,
+		kTabBackgroundEnd = 24,
+		
+		kScrollbarBackgroundStart = 25,
+		kScrollbarBackgroundEnd = 26,
+		kScrollbarButtonStart = 27,
+		kScrollbarButtonEnd = 28,
+		kScrollbarSliderStart = 29,
+		kScrollbarSliderEnd = 30,
+		
+		kCaretColor = 31,
+		
+		kSliderHighStart = 32,
+		kSliderHighEnd = 33,
+		
+		kButtonBackgroundHighlightStart = 34,
+		kButtonBackgroundHighlightEnd = 35,
+		
+		kScrollbarButtonHighlightStart = 36,
+		kScrollbarButtonHighlightEnd = 37,
+		kScrollbarSliderHighlightStart = 38,
+		kScrollbarSliderHighlightEnd = 39,
+
+		kPopUpWidgetStart = 40,
+		kPopUpWidgetEnd = 41,
+		kPopUpWidgetHighlightStart = 42,
+		kPopUpWidgetHighlightEnd = 43,
+		
+		kEditTextBackgroundStart = 44,
+		kEditTextBackgroundEnd = 45,
+
+		kTabActiveStart = 46,
+		kTabActiveEnd = 47,
+		kTabInactiveStart = 48,
+		kTabInactiveEnd = 49,
+
+		kColorHandlesMax
+	};
+	
+	OverlayColor _colors[kColorHandlesMax];
+	
+	enum GradientFactors {
+		kMainDialogFactor = 0,
+		kDialogFactor = 1,
+		kDialogSpecialFactor = 2,
+		
+		kWidgetSmallFactor = 3,
+		kWidgetFactor = 4,
+		
+		kButtonFactor = 5,
+		
+		kSliderFactor = 6,
+		kSliderBackground = 7,
+		
+		kTabFactor = 7,
+		
+		kScrollbarFactor = 8,
+		kScrollbarBkgdFactor = 9,
+
+		kPopUpWidgetFactor = 10,
+		
+		kEditTextFactor = 11,
+		
+		kMaxGradientFactors
+	};
+	
+	uint _gradientFactors[kMaxGradientFactors];
+};
+
+} // end of namespace GUI
+
+#endif
+
+#endif
+