scummvm/gui/ThemeModern.h
2007-02-08 23:25:07 +00:00

338 lines
9.5 KiB
C++

/* 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