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https://github.com/libretro/scummvm.git
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653 lines
20 KiB
C++
653 lines
20 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2006 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*/
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#ifndef GUI_THEME_H
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#define GUI_THEME_H
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#include "common/stdafx.h"
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#include "common/system.h"
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#include "common/rect.h"
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#include "common/str.h"
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#include "common/file.h"
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#include "common/config-file.h"
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#include "graphics/surface.h"
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#include "graphics/fontman.h"
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#include "gui/widget.h"
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#define THEME_VERSION 18
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namespace GUI {
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class Eval;
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// Hints to the theme engine that the widget is used in a non-standard way.
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enum {
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// Indicates that this is the first time the widget is drawn.
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THEME_HINT_FIRST_DRAW = 1 << 0,
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// Indicates that the widget will be redrawn often, e.g. list widgets.
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// It may therefore be a good idea to save the background so that it
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// can be redrawn quickly.
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THEME_HINT_SAVE_BACKGROUND = 1 << 1,
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// Indicates that this is the launcher dialog (maybe delete this in the future)
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THEME_HINT_MAIN_DIALOG = 1 << 2,
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// Indicates special colorfade
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THEME_HINT_SPECIAL_COLOR = 1 << 3,
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// Indicates no colorfade
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THEME_HINT_PLAIN_COLOR = 1 << 4,
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// Indictaes that a shadows should be drawn around the background
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THEME_HINT_USE_SHADOW = 1 << 5,
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// Indicates that no background should be restored when drawing the widget
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// (note that this can be silently ignored if for example the theme does
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// alpha blending and would blend over a allready drawn widget)
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// TODO: currently only ThemeModern::drawButton supports this
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THEME_HINT_NO_BACKGROUND_RESTORE = 1 << 6
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};
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class Theme {
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typedef Common::String String;
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public:
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Theme();
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virtual ~Theme();
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enum TextAlign {
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kTextAlignLeft,
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kTextAlignCenter,
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kTextAlignRight
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};
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enum WidgetBackground {
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kWidgetBackgroundNo,
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kWidgetBackgroundPlain,
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kWidgetBackgroundBorder,
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kWidgetBackgroundBorderSmall,
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kWidgetBackgroundEditText,
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kWidgetBackgroundSlider
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};
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enum State {
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kStateDisabled,
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kStateEnabled,
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kStateHighlight
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};
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enum ScrollbarState {
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kScrollbarStateNo,
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kScrollbarStateUp,
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kScrollbarStateDown,
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kScrollbarStateSlider,
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kScrollbarStateSinglePage
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};
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enum FontStyle {
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kFontStyleBold = 0, // standard font
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kFontStyleNormal = 1,
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kFontStyleItalic = 2,
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kFontStyleFixedNormal = 3,
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kFontStyleFixedBold = 4,
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kFontStyleFixedItalic = 5,
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kFontStyleMax
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};
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enum ShadingStyle {
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kShadingNone,
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kShadingDim,
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kShadingLuminance
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};
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virtual bool init() = 0;
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virtual void deinit() = 0;
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virtual void refresh() = 0;
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virtual bool ownCursor() { return false; }
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virtual void enable() = 0;
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virtual void disable() = 0;
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virtual void openDialog(bool topDialog) = 0;
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virtual void closeDialog() = 0;
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virtual void clearAll() = 0;
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virtual void drawAll() = 0;
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virtual void setDrawArea(const Common::Rect &r) { _drawArea = r; }
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// resets the draw area to the screen size
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virtual void resetDrawArea() = 0;
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virtual const Common::ConfigFile &getConfigFile() { return _configFile; }
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virtual const Graphics::Font *getFont(FontStyle font = kFontStyleBold) const = 0;
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virtual int getFontHeight(FontStyle font = kFontStyleBold) const = 0;
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virtual int getStringWidth(const Common::String &str, FontStyle font = kFontStyleBold) const = 0;
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virtual int getCharWidth(byte c, FontStyle font = kFontStyleBold) const = 0;
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virtual void drawDialogBackground(const Common::Rect &r, uint16 hints, State state = kStateEnabled) = 0;
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virtual void drawText(const Common::Rect &r, const Common::String &str, State state = kStateEnabled, TextAlign align = kTextAlignCenter, bool inverted = false, int deltax = 0, bool useEllipsis = true, FontStyle font = kFontStyleBold) = 0;
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// this should ONLY be used by the debugger until we get a nicer solution
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virtual void drawChar(const Common::Rect &r, byte ch, const Graphics::Font *font, State state = kStateEnabled) = 0;
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virtual void drawWidgetBackground(const Common::Rect &r, uint16 hints, WidgetBackground background = kWidgetBackgroundPlain, State state = kStateEnabled) = 0;
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virtual void drawButton(const Common::Rect &r, const Common::String &str, State state = kStateEnabled, uint16 hints = 0) = 0;
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virtual void drawSurface(const Common::Rect &r, const Graphics::Surface &surface, State state = kStateEnabled, int alpha = 256, bool themeTrans = false) = 0;
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virtual void drawSlider(const Common::Rect &r, int width, State state = kStateEnabled) = 0;
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virtual void drawCheckbox(const Common::Rect &r, const Common::String &str, bool checked, State state = kStateEnabled) = 0;
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virtual void drawTab(const Common::Rect &r, int tabHeight, int tabWidth, const Common::Array<Common::String> &tabs, int active, uint16 hints, int titleVPad, State state = kStateEnabled) = 0;
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virtual void drawScrollbar(const Common::Rect &r, int sliderY, int sliderHeight, ScrollbarState, State state = kStateEnabled) = 0;
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virtual void drawPopUpWidget(const Common::Rect &r, const Common::String &sel, int deltax, State state = kStateEnabled, TextAlign align = kTextAlignLeft) = 0;
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virtual void drawCaret(const Common::Rect &r, bool erase, State state = kStateEnabled) = 0;
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virtual void drawLineSeparator(const Common::Rect &r, State state = kStateEnabled) = 0;
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virtual void restoreBackground(Common::Rect r, bool special = false) = 0;
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virtual bool addDirtyRect(Common::Rect r, bool save = false, bool special = false) = 0;
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virtual int getTabSpacing() const = 0;
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virtual int getTabPadding() const = 0;
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Graphics::TextAlignment convertAligment(TextAlign align) const {
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switch (align) {
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case kTextAlignLeft:
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return Graphics::kTextAlignLeft;
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break;
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case kTextAlignRight:
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return Graphics::kTextAlignRight;
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break;
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default:
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break;
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};
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return Graphics::kTextAlignCenter;
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};
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TextAlign convertAligment(Graphics::TextAlignment align) const {
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switch (align) {
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case Graphics::kTextAlignLeft:
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return kTextAlignLeft;
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break;
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case Graphics::kTextAlignRight:
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return kTextAlignRight;
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break;
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default:
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break;
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}
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return kTextAlignCenter;
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}
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void processResSection(Common::ConfigFile &config, const String &name, bool skipDefs = false, const String &prefix = "");
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void processSingleLine(const String §ion, const String &prefix, const String &name, const String &str);
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void setSpecialAlias(const String &alias, const String &name);
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bool isThemeLoadingRequired();
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bool sectionIsSkipped(Common::ConfigFile &config, const char *name, int w, int h);
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void loadTheme(Common::ConfigFile &config, bool reset = true);
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Eval *_evaluator;
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static bool themeConfigUseable(const String &file, const String &style="", String *cStyle=0, Common::ConfigFile *cfg=0);
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const String &getStylefileName() const { return _stylefile; }
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const String &getThemeName() const { return _stylename; }
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virtual bool supportsImages() const { return false; }
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enum kThemeImages {
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kImageLogo = 0
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};
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virtual const Graphics::Surface *getImageSurface(const kThemeImages n) const { return 0; }
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protected:
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bool loadConfigFile(const String &file);
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void getColorFromConfig(const String &name, OverlayColor &col);
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void getColorFromConfig(const String &value, uint8 &r, uint8 &g, uint8 &b);
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const Graphics::Font *loadFont(const char *filename);
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Common::String genCacheFilename(const char *filename);
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String _stylefile, _stylename;
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Common::Rect _drawArea;
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Common::ConfigFile _configFile;
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Common::ConfigFile _defaultConfig;
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public:
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bool needThemeReload() { return ((_loadedThemeX != g_system->getOverlayWidth()) ||
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(_loadedThemeY != g_system->getOverlayHeight())); }
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private:
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static const char *_defaultConfigINI;
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int _loadedThemeX, _loadedThemeY;
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};
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// enable this to disable transparency support for the classic theme
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//#define CT_NO_TRANSPARENCY
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class ThemeClassic : public Theme {
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public:
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ThemeClassic(OSystem *system, const Common::String &config = "classic", const Common::ConfigFile *cfg = 0);
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virtual ~ThemeClassic();
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bool init();
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void deinit();
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void refresh();
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void enable();
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void disable();
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void openDialog(bool topDialog);
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void closeDialog();
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void clearAll();
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void drawAll();
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void resetDrawArea();
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typedef Common::String String;
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const Graphics::Font *getFont(FontStyle font) const { return _font; }
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int getFontHeight(FontStyle font = kFontStyleBold) const { if (_initOk) return _font->getFontHeight(); return 0; }
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int getStringWidth(const String &str, FontStyle font) const { if (_initOk) return _font->getStringWidth(str); return 0; }
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int getCharWidth(byte c, FontStyle font) const { if (_initOk) return _font->getCharWidth(c); return 0; }
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void drawDialogBackground(const Common::Rect &r, uint16 hints, State state);
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void drawText(const Common::Rect &r, const String &str, State state, TextAlign align, bool inverted, int deltax, bool useEllipsis, FontStyle font);
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void drawChar(const Common::Rect &r, byte ch, const Graphics::Font *font, State state);
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void drawWidgetBackground(const Common::Rect &r, uint16 hints, WidgetBackground background, State state);
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void drawButton(const Common::Rect &r, const String &str, State state, uint16 hints);
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void drawSurface(const Common::Rect &r, const Graphics::Surface &surface, State state, int alpha, bool themeTrans);
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void drawSlider(const Common::Rect &r, int width, State state);
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void drawCheckbox(const Common::Rect &r, const String &str, bool checked, State state);
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void drawTab(const Common::Rect &r, int tabHeight, int tabWidth, const Common::Array<String> &tabs, int active, uint16 hints, int titleVPad, State state);
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void drawScrollbar(const Common::Rect &r, int sliderY, int sliderHeight, ScrollbarState, State state);
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void drawPopUpWidget(const Common::Rect &r, const Common::String &sel, int deltax, State state, TextAlign align);
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void drawCaret(const Common::Rect &r, bool erase, State state);
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void drawLineSeparator(const Common::Rect &r, State state);
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void restoreBackground(Common::Rect r, bool special = false);
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bool addDirtyRect(Common::Rect r, bool save = false, bool special = false);
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int getTabSpacing() const;
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int getTabPadding() const;
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private:
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void box(int x, int y, int width, int height, OverlayColor colorA, OverlayColor colorB, bool skipLastRow = false);
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void box(int x, int y, int width, int height);
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OverlayColor getColor(State state);
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OSystem *_system;
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Graphics::Surface _screen;
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#ifndef CT_NO_TRANSPARENCY
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struct DialogState {
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Graphics::Surface screen;
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} *_dialog;
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void blendScreenToDialog();
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#endif
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bool _enableBlending;
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bool _forceRedraw;
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bool _initOk;
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bool _enabled;
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String _fontName;
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const Graphics::Font *_font;
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OverlayColor _color, _shadowcolor;
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OverlayColor _bgcolor;
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OverlayColor _textcolor;
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OverlayColor _textcolorhi;
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enum {
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kColor = 0,
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kShadowColor = 1,
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kBGColor = 2,
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kTextColor = 3,
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kTextColorHi = 4,
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kMaxColors = 5
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};
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uint8 _colors[kMaxColors][3];
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void setupConfig();
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bool loadConfig();
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};
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#ifndef DISABLE_FANCY_THEMES
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class ThemeModern : public Theme {
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typedef Common::String String;
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public:
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ThemeModern(OSystem *system, const String &stylefile, const Common::ConfigFile *cfg = 0);
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virtual ~ThemeModern();
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bool init();
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void deinit();
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void refresh();
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bool ownCursor() { return _useCursor; }
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void enable();
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void disable();
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void openDialog(bool topDialog);
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void closeDialog();
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void clearAll();
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void drawAll();
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void setDrawArea(const Common::Rect &r);
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void resetDrawArea();
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const Graphics::Font *getFont(FontStyle font = kFontStyleBold) const { return _fonts[font]; }
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int getFontHeight(FontStyle font = kFontStyleBold) const { if (_fonts[font]) return _fonts[font]->getFontHeight(); return 0; }
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int getStringWidth(const String &str, FontStyle font = kFontStyleBold) const { if (_fonts[font]) return _fonts[font]->getStringWidth(str); return 0; }
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int getCharWidth(byte c, FontStyle font = kFontStyleBold) const { if (_fonts[font]) return _fonts[font]->getCharWidth(c); return 0; }
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void drawDialogBackground(const Common::Rect &r, uint16 hints, State state);
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void drawText(const Common::Rect &r, const String &str, State state, TextAlign align, bool inverted, int deltax, bool useEllipsis, FontStyle font);
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void drawChar(const Common::Rect &r, byte ch, const Graphics::Font *font, State state);
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void drawWidgetBackground(const Common::Rect &r, uint16 hints, WidgetBackground background, State state);
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void drawButton(const Common::Rect &r, const String &str, State state, uint16 hints);
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void drawSurface(const Common::Rect &r, const Graphics::Surface &surface, State state, int alpha, bool themeTrans);
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void drawSlider(const Common::Rect &r, int width, State state);
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void drawCheckbox(const Common::Rect &r, const String &str, bool checked, State state);
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void drawTab(const Common::Rect &r, int tabHeight, int tabWidth, const Common::Array<String> &tabs, int active, uint16 hints, int titleVPad, State state);
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void drawScrollbar(const Common::Rect &r, int sliderY, int sliderHeight, ScrollbarState, State state);
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void drawPopUpWidget(const Common::Rect &r, const Common::String &sel, int deltax, State state, TextAlign align);
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void drawCaret(const Common::Rect &r, bool erase, State state);
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void drawLineSeparator(const Common::Rect &r, State state);
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void restoreBackground(Common::Rect r, bool special = false);
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bool addDirtyRect(Common::Rect r, bool backup = false, bool special = false);
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int getTabSpacing() const;
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int getTabPadding() const;
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bool supportsImages() const { return true; }
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const Graphics::Surface *getImageSurface(const kThemeImages n) const { return n == kImageLogo ? _images[kThemeLogo] : 0; }
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private:
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void colorFade(const Common::Rect &r, OverlayColor start, OverlayColor end, uint factor = 1);
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void drawRect(const Common::Rect &r, const Graphics::Surface *corner, const Graphics::Surface *top,
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const Graphics::Surface *left, const Graphics::Surface *fill, int alpha, bool skipLastRow = false);
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void drawRectMasked(const Common::Rect &r, const Graphics::Surface *corner, const Graphics::Surface *top,
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const Graphics::Surface *left, const Graphics::Surface *fill, int alpha,
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OverlayColor start, OverlayColor end, uint factor = 1, bool skipLastRow = false, bool skipTopRow = false);
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void drawSurface(const Common::Rect &r, const Graphics::Surface *surf, bool upDown, bool leftRight, int alpha);
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void drawSurfaceMasked(const Common::Rect &r, const Graphics::Surface *surf, bool upDown, bool leftRight, int alpha,
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OverlayColor start, OverlayColor end, uint factor = 1);
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enum ShadowStyles {
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kShadowFull = 0,
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kShadowSmall = 1,
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kShadowButton = 2,
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kShadowEmboss = 3,
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kShadowPopUp = 4
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};
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Common::Rect shadowRect(const Common::Rect &r, uint32 shadowStyle);
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void drawShadow(const Common::Rect &r, const Graphics::Surface *corner, const Graphics::Surface *top,
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const Graphics::Surface *left, const Graphics::Surface *fill, uint32 shadowStyle, bool skipLastRow = false,
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bool skipTopRow = false);
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void drawShadowRect(const Common::Rect &r, const Common::Rect &area, const Graphics::Surface *corner,
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const Graphics::Surface *top, const Graphics::Surface *left, const Graphics::Surface *fill,
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int alpha, bool skipLastRow = false, bool skipTopRow = false);
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int _shadowLeftWidth, _shadowRightWidth;
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int _shadowTopHeight, _shadowBottomHeight;
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OSystem *_system;
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Graphics::Surface _screen;
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Common::Rect _shadowDrawArea;
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bool _initOk;
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bool _forceRedraw;
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bool _enabled;
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int _lastUsedBitMask;
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void resetupGuiRenderer();
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void setupColors();
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OverlayColor getColor(State state);
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struct DialogState {
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Graphics::Surface screen;
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} *_dialog;
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void setupFonts();
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void deleteFonts();
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void setupFont(const String &key, const String &name, FontStyle style);
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const Graphics::Font *_fonts[kFontStyleMax];
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private:
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void processExtraValues();
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enum ImageHandles {
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kDialogBkgdCorner = 0,
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kDialogBkgdTop = 1,
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kDialogBkgdLeft = 2,
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kDialogBkgd = 3,
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kWidgetBkgdCorner = 4,
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kWidgetBkgdTop = 5,
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kWidgetBkgdLeft = 6,
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kWidgetBkgd = 7,
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kCheckboxEmpty = 8,
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kCheckboxChecked = 9,
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kWidgetArrow = 10,
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kTabBkgdCorner = 11,
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kTabBkgdTop = 12,
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kTabBkgdLeft = 13,
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kTabBkgd = 14,
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kSliderBkgdCorner = 15,
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kSliderBkgdTop = 16,
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kSliderBkgdLeft = 17,
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kSliderBkgd = 18,
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kSliderCorner = 19,
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kSliderTop = 20,
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kSliderLeft = 21,
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kSlider = 22,
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kScrollbarBkgdCorner = 23,
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|
kScrollbarBkgdTop = 24,
|
|
kScrollbarBkgdLeft = 25,
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|
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:
|
|
const String *_imageHandles;
|
|
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];
|
|
};
|
|
#endif // DISABLE_FANCY_THEMES
|
|
} // end of namespace GUI
|
|
|
|
#endif // GUI_THEME_H
|