/* ksim - a system monitor for kde * * Copyright (C) 2001 Robbie Ward * * 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. */ #ifndef THEMELOADER_H #define THEMELOADER_H #include #include #include #include #include #include class QStringList; template class QValueVector; class KConfig; class QWidget; namespace KSim { class Base; /** * a class containing various information * about a theme, use KSim::ThemeLoader to * get an instance * @author Robbie Ward * @short Provides a loader for the themes */ class KDE_EXPORT Theme { friend class ThemeLoader; public: enum PixmapType { KrellPanel = 0, KrellMeter, KrellSlider }; ~Theme(); bool operator==(const KSim::Theme &rhs) const; bool operator!=(const KSim::Theme &rhs) const; KSim::Theme &operator=(const KSim::Theme &rhs); /** * @return the theme path */ const QString &path() const; /** * @return the name of the theme */ QString name() const; /** * @return the author of the theme */ QString author() const; /** * @return the set font item for the theme */ int fontItem() const; /** * @return the amount of alternatives the theme has */ int alternative() const; /** * @return the amount of alternatives the theme has */ int alternatives() const; /** * @return the width leds should be scaled to (if scaling() returns true) */ int chartWidthRef(int defValue = 0) const; int chartWidthMin(int defValue = 0) const; /** * @return true if sacling should be enabled */ bool scaling(bool defValue = false) const; /** * @return the height of the top frame */ int frameTopHeight(int defValue = 0) const; /** * @return the height of the bottom frame */ int frameBottomHeight(int defValue = 0) const; /** * @return the width of the left frame */ int frameLeftWidth(int defValue = 0) const; /** * @return the width of the right frame */ int frameRightWidth(int defValue = 0) const; /** * @return a rect of the top frame border */ QRect frameTopBorder(const QRect &defValue = QRect()) const; /** * @return a rect of the bottom frame border */ QRect frameBottomBorder(const QRect &defValue = QRect()) const; /** * @return a rect of the left frame border */ QRect frameLeftBorder(const QRect &defValue = QRect()) const; /** * @return a rect of the right frame border */ QRect frameRightBorder(const QRect &defValue = QRect()) const; /** * @return the color of the chart in */ QColor chartInColour(const QColor &defValue = QColor()) const; /** * @return the color of the chart in grid */ QColor chartInColourGrid(const QColor &defValue = QColor()) const; /** * @return the color of the chart out */ QColor chartOutColour(const QColor &defValue = QColor()) const; /** * @return the color of the chart out grid */ QColor chartOutColourGrid(const QColor &defValue = QColor()) const; /** * if false then the grid lines should be drawn at the * top and bottom of the graphs */ bool bgGridMode(bool defValue = false) const; /** * @return the X location of the receive led */ int rxLedX(int defValue = 0) const; /** * @return the Y location of the receive led */ int rxLedY(int defValue = 0) const; /** * @return the X location of the send led */ int txLedX(int defValue = 0) const; /** * @return the Y location of the send led */ int txLedY(int defValue = 0) const; /** * @return the amount of mail frames */ int mailFrames(int defValue = 0) const; /** * @return the mail check delay */ int mailDelay(int defValue = 0) const; /** * @return the slider depth */ int krellSliderDepth(int defValue = 7) const; /** * @return the vertical location of the start of the image */ int krellSliderXHot(int defValue = 0) const; /** * @return the area for the slider panel */ QRect sliderPanel(const QRect &defValue = QRect()) const; /** * @return the area for the slider meter */ QRect sliderMeter(const QRect &defValue = QRect()) const; /** * @return the border for the timer label/button */ QRect timerBorder(const QRect &defValue = QRect()) const; /** * @return the border for the panel button */ QRect buttonPanelBorder(const QRect &defValue = QRect()) const; /** * @return the border for the meter button */ QRect buttonMeterBorder(const QRect &defValue = QRect()) const; /** * @return the large font that the theme specifies */ QFont largeFont() const; /** * @return the normal font that the theme specifies */ QFont normalFont() const; /** * @return the small font that the theme specifies */ QFont smallFont() const; /** * @return the current font to be used * according to fontItem() */ QFont currentFont() const; /** * @return the meter image (bg_meter.[png|jpg|gif]) * of the current theme, if type is specified then it will * look in the folder type. * * it will first look in the dir 'type' if no image is found * it will drop back a dir * @param type is one of: none, apm, cal, clock, fs, * host, mail, mem, swap, timer, uptime */ QString meterPixmap(int type, bool useDefault = true) const; /** * @return the meter image (bg_panel.[png|jpg|gif]) * of the current theme, it will first look in the dir 'type' * if no image is found it will drop back a dir * @param type is one of: net, inet */ QString panelPixmap(int type, bool useDefault = true) const; /** * @return the decal net leds image * (usually decal_net_leds.[png|jpg|gif]) of the * current theme, it will first look in the dir 'type' * if no image is found it will drop back a dir * @param type is one of: net, inet */ QString ledPixmap(int type, bool useDefault = true) const; /** * @return the frame image of the current theme, * @param type is one of: top, bottom, left, right */ QString framePixmap(int type, bool useDefault = true) const; /** * @return the krell chart image (bg_chart.[png|jpg|gif]) * of the current theme */ QString chartPixmap(bool useDefault = true) const; /** * @return the krell grid image (bg_grid.[png|jpg|gif]) * of the current theme */ QString gridPixmap(bool useDefault = true) const; /** * @return the krell panel image (krell_panel.[png|jpg|gif]) * of the current theme */ QString krellPanelPixmap(bool useDefault = true) const; /** * @return the krell meter image (krell_meter.[png|jpg|gif]) * of the current theme */ QString krellMeterPixmap(bool useDefault = true) const; /** * @return the krell slider image (krell_slider.[png|jpg|gif]) * of the current theme */ QString krellSliderPixmap(bool useDefault = true) const; /** * @return the data in image (data_in.[png|jpg|gif]) * of the current theme */ QString dataInPixmap(bool useDefault = true) const; /** * @return the data out image (data_out.[png|jpg|gif]) * of the current theme */ QString dataOutPixmap(bool useDefault = true) const; /** * @return the mail image (mail/decal_mail.[png|jpg|gif]) * of the current theme */ QString mailPixmap(bool useDefault = true) const; /** * @return a segmant of an image, using @p itemNo to * get the segmant and from the ImageType @p type */ QPixmap splitPixmap(PixmapType type, uint itemNo = 0, bool useDefault = true) const; /** * Same as the above function but returns an array of pixmaps * with the maximum size of limitAmount, or all the pixmaps if @p * limitAmount is -1 (default) * @return an array of pixmaps */ QValueList pixmapToList(PixmapType type, int limitAmount = -1, bool useDefault = true) const; /** * returns the transparency level from the specified keys */ int transparency(const QString &, const QString &) const; /** * @return true if shadow text is enabled */ bool textShadow(const QString &, const QString &) const; /** * @return the shadow color (if any) for the specified keys */ QColor shadowColour(const QString &, const QString &) const; /** * @return the text color for the specified keys */ QColor textColour(const QString &, const QString &) const; /** * reads an entry and returns it as an int */ int readIntEntry(const QString &, const QString &) const; /** * @return a rect from the specified keys */ QRect readRectEntry(const QString &, const QString &) const; /** * reads an entry from the specified keys */ QString readEntry(const QString &, const QString &) const; /** * reads a color entry from the specified keys */ QString readColourEntry(const QString &, const QString &, int) const; /** * reads a font entry from the specified keys */ QFont readFontEntry(const QString &, const QString &) const; /** * sets the font, textColour, shadowColour and showShadow to * the fonts and colours KSim should use depending on type and * string. * * returns true if one of the parameters were changed using * type and string, else the parameters will be set to the current * colours and font that KSim should use and returns false. * * example usage: * 
       *   QFont font;
       *   QColor textColour, shadowColour;
       *   bool showShadow;
       *   if (KSim::ThemeLoader::self().current().fontColours(type(), configString(), font,
       *      textColour, shadowColour, showShadow)
       *   {
       *     setFont(font);
       *     // Do something with textColour, shadowColour and showShadow
       *   }
       *
* @param type is the theme type you want, generally if you're calling this * from a KSim::Base (or derived from) object then use type() * @param string is the config string entry you want the function to read * from, generally if you're calling this from a KSim::Base (or derived from) * object then use configString() */ bool fontColours(int type, const QString &string, QFont &font, QColor &textColour, QColor &shadowColour, bool &showShadow) const; /** * convenience function. * * collects the theme type and config key from the base pointer */ bool fontColours(const KSim::Base *const base, QFont &font, QColor &textColour, QColor &shadowColour, bool &showShadow) const; Theme(const KSim::Theme &); private: Theme(); Theme(const QString &url, const QString &fileName, int alt, const QValueVector &vector, const QStringList &list, KConfig *globalReader); void create(const QValueVector &, const QStringList &, KConfig *); void init(const QString &url, const QString &fileName, int alt); void reparse(const QString &url, const QString &fileName, int alt); QString parseConfig(const QString &, const QString &); QString loader(int, bool useDefault = true) const; QString createType(int, const QString &) const; void setRecolour(bool); int internalNumEntry(const QString &, int) const; QRect internalRectEntry(const QString &, const QRect &) const; QColor internalColourEntry(const QString &, const QColor &) const; QString internalStringEntry(const QString &, const QString &) const; class Private; Private *d; }; /** * returns a class Theme containing * information of the current theme or * of the theme path specified * @author Robbie Ward * @short Provides a loader for the themes */ class KDE_EXPORT ThemeLoader { public: /** * @return a reference to the instance */ static ThemeLoader &self(); /** * @return true if the theme has changed */ bool isDifferent() const; /** * Updates the info to the current theme */ void reload(); /** * @return the current theme that is set */ const KSim::Theme ¤t() const; /** * @return a theme from the path specified * @param url is the path of the theme dir * @param rcFile is the filename of the config file (optional) * @param alt is the theme alternative number (optional) */ KSim::Theme theme(const QString &url, const QString &rcFile = "gkrellmrc", int alt = 0) const; /** * re-colours an image to the current KDE * color scheme */ void reColourImage(QImage &image); /** * changes some of the entries in the config file so kconfig * can handle the file better. * @return the location of the config file */ QString parseConfig(const QString &url, const QString &file); /** * change the dir structure of a theme directory * so KSim can understand them better */ void parseDir(const QString &url, int alt); /** * checks if the themeUrl entry is valid, * if not it then reverts the current theme * to the default url */ void validate(); /** * sets the pallete of the current theme */ void themeColours(QWidget *); /** * @return current theme name */ static QString currentName(); /** * @return current theme url, if there is no current theme * then it will return the default theme */ static QString currentUrl(); /** * @return the default theme url */ static QString defaultUrl(); /** * @return the current theme alternative */ static int currentAlternative(); /** * @return the current theme alternative as a string, eg if the * current theme alt is 1 then this will return '_1'. * if there is no theme alt this will return a null string. * * if this is set to -1 (the default) then the current alternative * will be used */ static QString alternativeAsString(int alt = -1); /** * @return the font of the theme if the theme font is set to custom */ static QFont currentFont(); /** * @return the font item of the theme, eg: 0 would be the small font */ static int currentFontItem(); protected: /** * Default constructor, use self() to get an instance */ ThemeLoader(); ~ThemeLoader(); private: ThemeLoader(const ThemeLoader &); ThemeLoader &operator=(const ThemeLoader &); /** * Deletes the instance and cleans up after itself */ static void cleanup(); void reColourItems(); void grabColour(); class Private; Private *d; KSim::Theme m_theme; static ThemeLoader *m_self; }; } #endif