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Diffstat (limited to 'gui/InterfaceManager.h')
| -rw-r--r-- | gui/InterfaceManager.h | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/gui/InterfaceManager.h b/gui/InterfaceManager.h new file mode 100644 index 0000000000..7ab3f4c9db --- /dev/null +++ b/gui/InterfaceManager.h @@ -0,0 +1,223 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * 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 INTERFACE_MANAGER_H +#define INTERFACE_MANAGER_H + +#include "common/scummsys.h" +#include "graphics/surface.h" +#include "common/system.h" + +#include "graphics/surface.h" +#include "graphics/fontman.h" + +#include "graphics/VectorRenderer.h" + +namespace GUI { + +#define g_InterfaceManager (GUI::InterfaceManager::instance()) + +struct WidgetDrawData; +class InterfaceManager; + +class InterfaceManager : public Common::Singleton<InterfaceManager> { + + friend class Common::Singleton<SingletonBaseType>; + typedef Common::String String; + +public: + enum Graphics_Mode { + kGfxDisabled = 0, + kGfxStandard16bit, + kGfxAntialias16bit + }; + + enum DrawData { + kDDMainDialogBackground, + kDDSpecialColorBackground, + kDDPlainColorBackground, + kDDDefaulBackground, + + kDDButtonIdle, + kDDButtonHover, + + kDDSurface, + + kDDSliderFull, + kDDSliderEmpty, + + kDDCheckboxEnabled, + kDDCheckboxDisabled, + + kDDTab, + + kDDScrollbarBase, + kDDScrollbarButtonTop, + kDDScrollbarButtonBottom, + kDDScrollbarHandle, + + kDDPopUp, + kDDCaret, + kDDSeparator, + kDrawDataMAX + }; + + enum FontStyle { + kFontStyleBold = 0, //! A bold font. This is also the default font. + kFontStyleNormal = 1, //! A normal font. + kFontStyleItalic = 2, //! Italic styled font. + kFontStyleFixedNormal = 3, //! Fixed size font. + kFontStyleFixedBold = 4, //! Fixed size bold font. + kFontStyleFixedItalic = 5, //! Fixed size italic font. + kFontStyleMax + }; + + enum State { + kStateDisabled, //! Indicates that the widget is disabled, that does NOT include that it is invisible + kStateEnabled, //! Indicates that the widget is enabled + kStateHighlight //! Indicates that the widget is highlighted by the user + }; + + //! Widget background type + enum WidgetBackground { + kWidgetBackgroundNo, //! No background at all + kWidgetBackgroundPlain, //! Simple background, this may not include borders + kWidgetBackgroundBorder, //! Same as kWidgetBackgroundPlain just with a border + kWidgetBackgroundBorderSmall, //! Same as kWidgetBackgroundPlain just with a small border + kWidgetBackgroundEditText, //! Background used for edit text fields + kWidgetBackgroundSlider //! Background used for sliders + }; + + typedef State WidgetStateInfo; + + //! State of the scrollbar + enum ScrollbarState { + kScrollbarStateNo, + kScrollbarStateUp, + kScrollbarStateDown, + kScrollbarStateSlider, + kScrollbarStateSinglePage + }; + + //! Defined the align of the text + enum TextAlign { + kTextAlignLeft, //! Text should be aligned to the left + kTextAlignCenter, //! Text should be centered + kTextAlignRight //! Text should be aligned to the right + }; + + //! Function used to process areas other than the current dialog + enum ShadingStyle { + kShadingNone, //! No special post processing + kShadingDim, //! Dimming unused areas + kShadingLuminance //! Converting colors to luminance for unused areas + }; + + + InterfaceManager(); + + ~InterfaceManager() { + freeRenderer(); + freeScreen(); + } + + void setGraphicsMode(Graphics_Mode mode); + int runGUI(); + + bool init(); + bool deinit(); + + /** Font management */ + const Graphics::Font *getFont(FontStyle font) const { return _font; } + int getFontHeight(FontStyle font = kFontStyleBold) const { if (_initOk) return _font->getFontHeight(); return 0; } + int getStringWidth(const Common::String &str, FontStyle font) const { if (_initOk) return _font->getStringWidth(str); return 0; } + int getCharWidth(byte c, FontStyle font) const { if (_initOk) return _font->getCharWidth(c); return 0; } + + /** Widget drawing */ + void drawWidgetBackground(const Common::Rect &r, uint16 hints, WidgetBackground background = kWidgetBackgroundPlain, WidgetStateInfo state = kStateEnabled) {} + void drawButton(const Common::Rect &r, const Common::String &str, WidgetStateInfo state = kStateEnabled, uint16 hints = 0); + void drawSurface(const Common::Rect &r, const Graphics::Surface &surface, WidgetStateInfo state = kStateEnabled, int alpha = 256, bool themeTrans = false) {} + void drawSlider(const Common::Rect &r, int width, WidgetStateInfo state = kStateEnabled); + void drawCheckbox(const Common::Rect &r, const Common::String &str, bool checked, WidgetStateInfo state = kStateEnabled); + void drawTab(const Common::Rect &r, int tabHeight, int tabWidth, const Common::Array<Common::String> &tabs, int active, uint16 hints, int titleVPad, WidgetStateInfo state = kStateEnabled) {} + void drawScrollbar(const Common::Rect &r, int sliderY, int sliderHeight, ScrollbarState, WidgetStateInfo state = kStateEnabled); + void drawPopUpWidget(const Common::Rect &r, const Common::String &sel, int deltax, WidgetStateInfo state = kStateEnabled, TextAlign align = kTextAlignLeft) {} + void drawCaret(const Common::Rect &r, bool erase, WidgetStateInfo state = kStateEnabled) {} + void drawLineSeparator(const Common::Rect &r, WidgetStateInfo state = kStateEnabled); + +protected: + template<typename PixelType> void screenInit(); + + void freeRenderer() { + delete _vectorRenderer; + _vectorRenderer = 0; + } + + void freeScreen() { + if (_screen != 0) { + _screen->free(); + delete _screen; + _screen = 0; + } + } + + bool isWidgetCached(DrawData type, const Common::Rect &r); + void drawCached(DrawData type, const Common::Rect &r); + + inline void drawDD(DrawData type, const Common::Rect &r); + void addDirtyRect(const Common::Rect &r) {} + + OSystem *_system; + Graphics::VectorRenderer *_vectorRenderer; + Graphics::Surface *_screen; + + int _bytesPerPixel; + Graphics_Mode _graphicsMode; + + Common::String _fontName; + const Graphics::Font *_font; + + WidgetDrawData *_widgets[kDrawDataMAX]; + + bool _initOk; + bool _caching; +}; + +struct WidgetDrawData { + Common::Rect _realSize; + bool _scaled; + + Graphics::DrawStep **_steps; + int _stepCount; + + bool _cached; + Graphics::Surface *_surfaceCache; + + InterfaceManager::DrawData _type; +}; + +} // end of namespace GUI. + +#endif |