CThemes.h

/*
╔══════════════════════════════════════════════════════════════════════════════╗
║                       SIMPLY POWERFUL TOOLKIT (SPTK)                         ║
╟──────────────────────────────────────────────────────────────────────────────╢
║  copyright            © 1999-2022 Alexey Parshin. All rights reserved.       ║
║  email                alexeyp@gmail.com                                      ║
╚══════════════════════════════════════════════════════════════════════════════╝
┌──────────────────────────────────────────────────────────────────────────────┐
│   This library is free software; you can redistribute it and/or modify it    │
│   under the terms of the GNU Library General Public License as published by  │
│   the Free Software Foundation; either version 2 of the License, or (at your │
│   option) any later version.                                                 │
│                                                                              │
│   This library 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 Library   │
│   General Public License for more details.                                   │
│                                                                              │
│   You should have received a copy of the GNU Library General Public License  │
│   along with this library; if not, write to the Free Software Foundation,    │
│   Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.               │
│                                                                              │
│   Please report all bugs and problems to alexeyp@gmail.com.                  │
└──────────────────────────────────────────────────────────────────────────────┘
*/
 
#pragma once
 
#include <FL/Fl.H>
#include <map>
#include <sptk5/gui/CFont.h>
#include <sptk5/gui/CFrame.h>
#include <sptk5/gui/CIcon.h>
#include <sptk5/gui/CRect.h>
#include <sptk5/gui/CTabImage.h>
#include <sptk5/gui/CThemeColorCollection.h>
#include <sptk5/gui/CThemeImageCollection.h>
#include <sptk5/gui/CThemeScrollBar.h>
#include <sptk5/xdoc/Node.h>
 
namespace sptk {
 
#define MAX_BACKGROUND_IMAGES 7
 
enum CThemeButtonType
{
    THM_BUTTON_COMBO,
    THM_BUTTON_CHECK,
    THM_BUTTON_RADIO,
    THM_BUTTON_NORMAL
};
 
class SP_EXPORT CThemes
    : public CThemeScrollBar
{
    friend class CBaseButton;
 
    static std::string m_name;
 
 
    static Fl_Box_Draw_F* m_flatBox;
 
    static Fl_Box_Draw_F* m_thinUpBox;
 
    static Fl_Box_Draw_F* m_upBox;
 
    static Fl_Box_Draw_F* m_thinDownBox;
 
    static Fl_Box_Draw_F* m_downBox;
 
 
    static Fl_Box_Draw_F* m_thinUpFrame;
 
    static Fl_Box_Draw_F* m_upFrame;
 
    static Fl_Box_Draw_F* m_thinDownFrame;
 
    static Fl_Box_Draw_F* m_downFrame;
 
 
    static CFontsMap m_fonts;
 
    static CFrames m_frames;
 
    static std::string m_themeFolder;
 
 
    static CPngImage* m_background[MAX_BACKGROUND_IMAGES];
 
    static CThemeImageCollection m_normalButtons;
 
    static CThemeImageCollection m_comboButtons;
 
    static CThemeImageCollection m_checkButtons;
 
    static CThemeImageCollection m_radioButtons;
 
    static CThemeImageCollection m_progressBar[2];
 
    static CThemeColorCollection m_colors;
 
    static CTabImages m_tabImages;
 
    static bool m_flatButtons;
 
    static bool m_gtkTheme;
 
    static xdoc::Document* m_registry;
 
    static void reset();
 
    static CThemeImageCollection& sizeToButtonImages(CThemeButtonType sz);
 
    static void replaceImage(CPngImage** images, int ndx, const std::string& fileName);
 
    static void paintBackground(int xx, int yy, int ww, int hh, CPngImage* image);
 
    static void drawThemeBox(int x, int y, int w, int h, Fl_Color color, Fl_Boxtype frameType = FL_NO_BOX);
 
    static void drawThemeFrame(int x, int y, int w, int h, Fl_Boxtype frameType);
 
    static CPngImage* imageForColor(Fl_Color clr);
 
    static bool m_desaturateInactiveButtons;
 
    static int m_buttonFocusRadius;
 
    static bool drawCheckOrRadioButton(CThemeImageCollection& buttonImages, int x, int y, bool checked, bool highlited);
 
protected:
    static CIconMap m_icons[4];
 
    static void loadGtkButton(const xdoc::SNode& imageNode, std::map<CThemeImageState, std::string>& buttonFileNames);
 
    static void loadGtkButtonFileNames(xdoc::Document& xml, std::string XPath,
                                       std::map<CThemeImageState, std::string>& fileNames,
                                       std::string orientation = "");
 
    static void loadGtkButtons(xdoc::Document& xml, const String& styleName, CThemeImageCollection& buttons,
                               const String& function);
 
    static void loadGtkTheme(const String& gtkThemeName);
 
public:
    CThemes();
 
    ~CThemes();
 
    static void set(std::string themeName);
 
    static CIcon* getIcon(const String& iconName, CIconSize iconSize);
 
    static CPngImage* getIconImage(const String& iconName, CIconSize iconSize);
 
    static void registerIcon(CIcon* icon, CIconSize iconSize);
 
    static void drawFlatBox(int x, int y, int w, int h, Fl_Color clr);
 
    static void drawThinUpBox(int x, int y, int w, int h, Fl_Color clr);
 
    static void drawUpBox(int x, int y, int w, int h, Fl_Color clr);
 
    static void drawThinDownBox(int x, int y, int w, int h, Fl_Color clr);
 
    static void drawDownBox(int x, int y, int w, int h, Fl_Color clr);
 
    static void drawThinUpFrame(int x, int y, int w, int h, Fl_Color clr);
 
    static void drawUpFrame(int x, int y, int w, int h, Fl_Color clr);
 
    static void drawThinDownFrame(int x, int y, int w, int h, Fl_Color clr);
 
    static void drawDownFrame(int x, int y, int w, int h, Fl_Color clr);
 
    static bool drawButton(CThemeButtonType sz, int x, int y, int& w, int& h, bool highlited, bool pressed,
                           bool defaultButton);
 
    static bool sizeButton(CThemeButtonType sz, int& w, int& h);
 
    static bool sizeProgressBar(int& w, int& h);
 
    static int buttonFocusRadius();
 
    static bool drawCheckButton(int x, int y, bool checked, bool highlited);
 
    static bool drawRadioButton(int x, int y, bool checked, bool highlited);
 
    static bool drawProgressBar(int x, int y, int w, float percent);
 
    static bool drawTab(int x, int y, int w, int h, bool active);
 
    static bool drawTabFrame(int x, int y, int w, int h);
 
    static Strings availableThemes();
 
    static const Strings& searchDirectories();
 
    static CFontsVector screenFonts;
 
    static std::string name();
 
    static std::string themeFolder();
 
    static Tar m_tar;
};
 
} // namespace sptk