Subversion Repositories tpanel

/*

 * Copyright (C) 2020, 2021 by Andreas Theofilu <andreas@theosys.at>

 *

 * 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 3 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 __TPAGE_H__

#define __TPAGE_H__

#include <string>

#include <vector>

#include "tvalidatefile.h"

#include "tpagelist.h"

#include "tsubpage.h"

#include "tconfig.h"

#include "terror.h"

#include "tpalette.h"

#include "tfont.h"

#define ZORDER_INVALID      -1

#define MAX_PAGE_ID         500

typedef struct PAGECHAIN_T

{

    TSubPage *subpage{nullptr}; // Ponter to subpage

    PAGECHAIN_T *prev{nullptr}; // Pointer to previous element

    PAGECHAIN_T *next{nullptr}; // Pointer to next element

}PAGECHAIN_T;

class TPage : public TValidateFile

{

    public:

        TPage() {}

        TPage(const std::string& name);

        ~TPage();

        void initialize(const std::string& name);

        void setPalette(TPalette *pal) { mPalette = pal; }

        void setFonts(TFont *ft) { mFonts = ft; }

        int getWidth() { return width; }

        int getHeight() { return height; }

        void setName(const std::string& n) { name = n; }

        std::string& getName() { return name; }

        int getNumber() { return pageID; }

        bool isVisilble() { return mVisible; }

        bool hasButton(int id);

        Button::TButton *getButton(int id);

        std::vector<Button::TButton *> getButtons(int ap, int ad);

        std::vector<Button::TButton *> getAllButtons();

        Button::TButton *getFirstButton();

        Button::TButton *getNextButton();

        Button::TButton *getLastButton();

        Button::TButton *getPreviousButton();

        PAGECHAIN_T *addSubPage(TSubPage *pg);

        TSubPage *getSubPage(int pageID);

        TSubPage *getSubPage(const std::string& name);

        TSubPage *getFirstSubPage();

        TSubPage *getNextSubPage();

        TSubPage *getPrevSubPage();

        TSubPage *getLastSubPage();

        bool removeSubPage(int ID);

        bool removeSubPage(const std::string& nm);

        int getActZOrder() { return mZOrder; }

        int getNextZOrder();

        int decZOrder();

        void resetZOrder() { mZOrder = ZORDER_INVALID; }

        Button::BUTTONS_T *addButton(Button::TButton *button);

        void registerCallback(std::function<void (ulong handle, unsigned char *image, size_t size, size_t rowBytes, int width, int height, ulong color)> setBackground) { _setBackground = setBackground; }

        void registerCallbackDB(std::function<void(ulong handle, ulong parent, unsigned char *buffer, int width, int height, int pixline, int left, int top)> displayButton) { _displayButton = displayButton; }

        void regCallDropPage(std::function<void (ulong handle)> callDropPage) { _callDropPage = callDropPage; }

        void regCallDropSubPage(std::function<void (ulong handle)> callDropSubPage) { _callDropSubPage = callDropSubPage; }

        void regCallPlayVideo(std::function<void (ulong handle, ulong parent, int left, int top, int width, int height, const std::string& url, const std::string& user, const std::string& pw)> playVideo) { _playVideo = playVideo; };

        void show();

        void drop();

        void sortSubpages();

    protected:

        bool sortButtons();

#ifdef _SCALE_SKIA_

        void calcPosition(int im_width, int im_height, int *left, int *top, bool scale=false);

#else

        void calcPosition(int im_width, int im_height, int *left, int *top);

#endif

    private:

        void addProgress();

        bool drawText(SkBitmap *img);

        Button::POSITION_t calcImagePosition(int width, int height, Button::CENTER_CODE cc, int line);

        int calcLineHeight(const std::string& text, SkFont& font);

        int numberLines(const std::string& str);

        std::function<void (ulong handle, unsigned char *image, size_t size, size_t rowBytes, int width, int height, ulong color)> _setBackground{nullptr};

        std::function<void (ulong handle, ulong parent, unsigned char *buffer, int width, int height, int pixline, int left, int top)> _displayButton{nullptr};

        std::function<void (ulong handle)> _callDropPage{nullptr};

        std::function<void (ulong handle)> _callDropSubPage{nullptr};

        std::function<void (ulong handle, ulong parent, int left, int top, int width, int height, const std::string& url, const std::string& user, const std::string& pw)> _playVideo{nullptr};

        std::string mPath;              // Path and name of the XML file

        std::string name;               // Name of the page

        int pageID{0};                  // Number of the page

        int width;                      // Width of the page

        int height;                     // height of the page

        Button::BUTTONS_T *mButtons{nullptr};    // Chain of buttons

        int mLastButton{0};             // Internal counter for iterating through button chain.

        std::vector<Button::SR_T> sr;   // Background details

        std::string mFile;              // The name of the file where the page is defined.

        bool mVisible{false};           // true = Page is visible

        TPalette *mPalette{nullptr};    // The color palette

        PAGECHAIN_T *mSubPages{nullptr};// Subpages related to this page

        int mLastSubPage{0};            // Stores the number of the last subpage

        TFont *mFonts{nullptr};         // Holds the class with the font list

        int mZOrder{ZORDER_INVALID};    // The Z-Order of the subpages

};

#endif // _TPAGE_H