Subversion Repositories tpanel

/*

 * Copyright (C) 2020 to 2022 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 __TPAGEMANAGER_H__

#define __TPAGEMANAGER_H__

#include <functional>

#include <thread>

#ifdef __ANDROID__

#include <jni.h>

#endif

#include <qglobal.h>

#include "tpagelist.h"

#include "tpage.h"

#include "tsubpage.h"

#include "tsettings.h"

#include "tpalette.h"

#include "tbutton.h"

#include "tfont.h"

#include "texternal.h"

#include "tamxnet.h"

#include "tamxcommands.h"

#include "tsystemdraw.h"

#include "tsipclient.h"

#include "tvector.h"

#include "tbitmap.h"

#define REG_CMD(func, name)     registerCommand(bind(&TPageManager::func, this,std::placeholders::_1,std::placeholders::_2,std::placeholders::_3),name)

class TIcons;

class TPageManager;

extern bool prg_stopped;

extern TIcons *gIcons;

extern TPrjResources *gPrjResources;

extern TPageManager *gPageManager;

#ifdef __ANDROID__

#define NETSTATE_WIFI   1

#define NETSTATE_CELL   2

#endif

/**

 * @brief PGSUBVIEWATOM_T

 * This struct contains the elements of an item inside a subview list.

 */

typedef struct PGSUBVIEWATOM_T

{

    ulong handle{0};

    ulong parent{0};

    int top{0};

    int left{0};

    int width{0};

    int height{0};

    int instance{0};

    TColor::COLOR_T bgcolor{0};

    TBitmap image;

    std::string bounding;

    void clear()

    {

        handle = parent = 0;

        top = left = width = height = instance = 0;

        bgcolor.alpha = bgcolor.blue = bgcolor.green = bgcolor.red = 0;

        image.clear();

        bounding.clear();

    }

}PGSUBVIEWATOM_T;

/**

 * @brief PGSUBVIEWITEM_T

 * This struct contains the overall dimensions and definition of an item of a

 * subview list. Each item may consist of one or more buttons. Each item is a

 * subpage of it's own.

 * All subpage together are the subview list.

 */

typedef struct PGSUBVIEWITEM_T

{

    ulong handle{0};

    ulong parent{0};

    int width{0};

    int height{0};

    bool scrollbar{false};

    int scrollbarOffset{0};

    Button::SUBVIEW_POSITION_t position{Button::SVP_CENTER};

    bool wrap{false};

    TColor::COLOR_T bgcolor;

    TBitmap image;

    std::string bounding;

    std::vector<PGSUBVIEWATOM_T> atoms;

    void clear()

    {

        handle = parent = 0;

        width = height = 0;

        bgcolor.alpha = bgcolor.blue = bgcolor.green = bgcolor.red = 0;

        scrollbar = wrap = false;

        scrollbarOffset = 0;

        position = Button::SVP_CENTER;

        image.clear();

        bounding.clear();

        atoms.clear();

    }

}PGSUBVIEWITEM_T;

class TPageManager : public TAmxCommands

{

    public:

        typedef enum J_ORIENTATION

        {

            O_UNDEFINED = -1,

            O_LANDSCAPE = 0,

            O_PORTRAIT = 1,

            O_REVERSE_LANDSCAPE = 8,

            O_REVERSE_PORTRAIT = 9,

            O_FACE_UP = 15,

            O_FACE_DOWN = 16

        }J_ORIENTATION;

        typedef enum SWIPES

        {

            SW_UNKNOWN,

            SW_LEFT,

            SW_RIGHT,

            SW_UP,

            SW_DOWN

        }SWIPES;

        TPageManager();

        ~TPageManager();

        bool readPages();                                   //!< Read all pages and subpages

        bool readPage(const std::string& name);             //!< Read the page with name \p name

        bool readPage(int ID);                              //!< Read the page with id \p ID

        bool readSubPage(const std::string& name);          //!< Read the subpage with name \p name

        bool readSubPage(int ID);                           //!< Read the subpage with ID \p ID

        void updateActualPage();                            //!< Updates all elements of the actual page

        void updateSubpage(int ID);                         //!< Updates all elements of a subpage

        void updateSubpage(const std::string& name);        //!< Updates all elements of a subpage

        std::vector<TSubPage *> createSubViewList(int id);  //!< Create a list of subview pages

        void showSubViewList(int id, Button::TButton *bt);  //!< Creates and displays a subview list

        void updateSubViewItem(Button::TButton *bt);        //!< Updates an existing subview item

        TPageList *getPageList() { return mPageList; }      //!< Get the list of all pages

        TSettings *getSettings() { return mTSettings; }     //!< Get the (system) settings of the panel

        TSettings *getSystemSettings() { return mSystemSettings; } //!< Get the system settings of the setup pages

        TPage *getActualPage();                             //!< Get the actual page

        int getActualPageNumber() { return mActualPage; }   //!< Get the ID of the actual page

        int getPreviousPageNumber() { return mPreviousPage; }   //!< Get the ID of the previous page, if there was any.

        TSubPage *getFirstSubPage();

        TSubPage *getNextSubPage();

        TSubPage *getPrevSubPage();

        TSubPage *getLastSubPage();

        TSubPage *getFirstSubPageGroup(const std::string& group);

        TSubPage *getNextSubPageGroup();

        TSubPage *getNextSubPageGroup(const std::string& group, TSubPage *pg);

        TSubPage *getTopPage();

        TPage *getPage(int pageID);

        TPage *getPage(const std::string& name);

        bool setPage(int PageID, bool forget=false);

        bool setPage(const std::string& name, bool forget=false);

        TSubPage *getSubPage(int pageID);

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

        TSubPage *deliverSubPage(const std::string& name, TPage **pg=nullptr);

        TSubPage *deliverSubPage(int number, TPage **pg=nullptr);

        bool havePage(const std::string& name);

        bool haveSubPage(const std::string& name);

        bool haveSubPage(int id);

        bool haveSubPage(const std::string& page, const std::string& name);

        bool haveSubPage(const std::string& page, int id);

        TFont *getFonts() { return mFonts; }

        Button::TButton *findButton(ulong handle);

        void onSwipeEvent(SWIPES sw);

        double getDPI() { return mDPI; }

        void setDPI(const double dpi) { mDPI = dpi; }

        void registerCallbackDB(std::function<void(ulong handle, ulong parent, TBitmap buffer, int width, int height, int left, int top, bool passthrough)> displayButton) { _displayButton = displayButton; }

        void registerDropButton(std::function<void(ulong hanlde)> dropButton) { _dropButton = dropButton; }

        void registerCBsetVisible(std::function<void(ulong handle, bool state)> setVisible) { _setVisible = setVisible; }

        void registerCallbackSP(std::function<void (ulong handle, int width, int height)> setPage) { _setPage = setPage; }

        void registerCallbackSSP(std::function<void (ulong handle, ulong parent, int left, int top, int width, int height, ANIMATION_t animate)> setSubPage) { _setSubPage = setSubPage; }

#ifdef _OPAQUE_SKIA_

        void registerCallbackSB(std::function<void (ulong handle, TBitmap image, int width, int height, ulong color)> setBackground) {_setBackground = setBackground; }

#else

        void registerCallbackSB(std::function<void (ulong handle, TBitmap image, int width, int height, ulong color, int opacity)> setBackground) {_setBackground = setBackground; }

#endif

        void deployCallbacks();

#ifdef __ANDROID__

        void initNetworkState();

        void stopNetworkState();

        void initBatteryState();

        void stopBatteryState();

        void initPhoneState();

        void informTPanelNetwork(jboolean conn, jint level, jint type);

        void informBatteryStatus(jint level, jboolean charging, jint chargeType);

        void informPhoneState(bool call, const std::string& pnumber);

        void initOrientation();

        void enterSetup();

#endif

#ifdef Q_OS_IOS

        void informBatteryStatus(int level, int state);

        void informTPanelNetwork(bool conn, int level, int type);

#endif

        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)> callPlayVideo) { _callPlayVideo = callPlayVideo; };

        void regCallInputText(std::function<void (Button::TButton *button, Button::BITMAP_t& bm, int frame)> callInputText) { _callInputText = callInputText; }

        void regCallListBox(std::function<void (Button::TButton *button, Button::BITMAP_t& bm, int frame)> callListBox) { _callListBox = callListBox; }

        void regCallbackKeyboard(std::function<void (const std::string& init, const std::string& prompt, bool priv)> callKeyboard) { _callKeyboard = callKeyboard; }

        void regCallbackKeypad(std::function<void (const std::string& init, const std::string& prompt, bool priv)> callKeypad) { _callKeypad = callKeypad; }

        void regCallResetKeyboard(std::function<void ()> callResetKeyboard) { _callResetKeyboard = callResetKeyboard; }

        void regCallShowSetup(std::function<void ()> callShowSetup) { _callShowSetup = callShowSetup; }

        void regCallbackNetState(std::function<void (int level)> callNetState, ulong handle);

        void unregCallbackNetState(ulong handle);

#ifdef Q_OS_ANDROID

        void regCallbackBatteryState(std::function<void (int level, bool charging, int chargeType)> callBatteryState, ulong handle);

#endif

#ifdef Q_OS_IOS

        void regCallbackBatteryState(std::function<void (int level, int state)> callBatteryState, ulong handle);

#endif

#if defined(Q_OS_ANDROID) || defined(Q_OS_IOS)

        void unregCallbackBatteryState(ulong handle);

#endif

        void regCallbackResetSurface(std::function<void ()> resetSurface) { _resetSurface = resetSurface; }

        void regCallbackShutdown(std::function<void ()> shutdown) { _shutdown = shutdown; }

        void regCallbackPlaySound(std::function<void (const std::string& file)> playSound) { _playSound = playSound; }

        void regCallbackStopSound(std::function<void ()> stopSound) { _stopSound = stopSound; }

        void regCallbackMuteSound(std::function<void (bool state)> muteSound) { _muteSound = muteSound; }

        void regSendVirtualKeys(std::function<void (const std::string& str)> sendVirtualKeys) { _sendVirtualKeys = sendVirtualKeys; }

        void regShowPhoneDialog(std::function<void (bool state)> showPhoneDialog) { _showPhoneDialog = showPhoneDialog; }

        void regSetPhoneNumber(std::function<void (const std::string& number)> setPhoneNumber) { _setPhoneNumber = setPhoneNumber; }

        void regSetPhoneStatus(std::function<void (const std::string& msg)> setPhoneStatus) { _setPhoneStatus = setPhoneStatus; }

        void regSetPhoneState(std::function<void (int state, int id)> setPhoneState) { _setPhoneState = setPhoneState; }

        void regDisplayMessage(std::function<void (const std::string& msg, const std::string& title)> msg) { _displayMessage = msg; }

        void regFileDialogFunction(std::function<void (ulong handle, const std::string& path, const std::string& extension, const std::string& suffix)> fdlg) { _fileDialog = fdlg; }

#if defined(Q_OS_ANDROID) || defined(Q_OS_IOS)

        void regOnOrientationChange(std::function<void (int orientation)> orientationChange) { _onOrientationChange = orientationChange; }

        void regOnSettingsChanged(std::function<void (const std::string& oldNetlinx, int oldPort, int oldChannelID, const std::string& oldSurface, bool oldToolbarSuppress, bool oldToolbarForce)> settingsChanged) { _onSettingsChanged = settingsChanged; }

#endif

        void regRepaintWindows(std::function<void ()> repaintWindows) { _repaintWindows = repaintWindows; }

        void regToFront(std::function<void (ulong handle)> toFront) { _toFront = toFront; }

        void regSetMainWindowSize(std::function<void (int width, int height)> setSize) { _setMainWindowSize = setSize; }

        void regDownloadSurface(std::function<void (const std::string& file, size_t size)> dl) { _downloadSurface = dl; }

        void regStartWait(std::function<void (const std::string& text)> sw) { _startWait = sw; }

        void regStopWait(std::function<void ()> sw) { _stopWait = sw; }

        void regPageFinished(std::function<void (ulong handle)> pf) { _pageFinished = pf; }

        void regDisplayViewButton(std::function<void (ulong handle, ulong parent, bool vertical, TBitmap buffer, int width, int height, int left, int top, int space, TColor::COLOR_T)> dvb) { _displayViewButton = dvb; }

        void regAddViewButtonItem(std::function<void (Button::TButton& button, unsigned char *buffer, int pixline)> avbi) { _addViewButtonItem = avbi; }

        void regAddViewButtonItems(std::function<void (ulong parent, std::vector<PGSUBVIEWITEM_T> items)> abvi) { _addViewButtonItems = abvi; }

        void regUpdateViewButton(std::function<void (ulong handle, ulong parent, TBitmap buffer, TColor::COLOR_T fillColor)> uvb) { _updateViewButton = uvb; }

        void regUpdateViewButtonItem(std::function<void (PGSUBVIEWITEM_T& item, ulong parent)> uvb) { _updateViewButtonItem = uvb; }

        void regShowSubViewItem(std::function<void (ulong handle, ulong parent, int position, int timer)> ssvi) { _showSubViewItem = ssvi; }

        /**

         * The following function must be called to start non graphics part

         * of the panel simulator. If everything worked well, it returns TRUE.

         * otherwise a FALSE is returned and the program should be terminated.

         */

        bool run();

        /**

         * Set an X value to add to the coordinated reported by the mouse catch

         * event. In case the X coordinate reported by the event is not the real

         * X coordinate, it's possible to set an X coordinate to translate the

         * internal used coordinates.

         *

         * @param x

         * The left most pixel which correspond to X = 0

         */

        void setFirstLeftPixel(int x) { mFirstLeftPixel = x; }

        /**

         * Set an Y value to add to the coordinated reported by the mouse catch

         * event. In case the Y coordinate reported by the event is not the real

         * Y coordinate, it's possible to set an Y coordinate to translate the

         * internal used coordinates.

         *

         * @param y

         * The top most pixel which correspond to Y = 0

         */

        void setFirstTopPixel(int y) { mFirstTopPixel = y; }

        /**

         * This function must be called from a GUI whenever the left mouse

         * button was pressed or released. Also if there was a touch event

         * this function must be called in the same way. It's up to any GUI

         * to handle the mouse and or touch events.

         *

         * @param x

         * the X coordinate of the mouse/touch event

         *

         * @param y

         * the y coordinate if the mouse/touch event

         *

         * @return

         * pressed TRUE = button was pressed; FALSE = button was released

         */

        void mouseEvent(int x, int y, bool pressed);

        /**

         * @brief mouseEvent

         * This function can be called from a GUI if the coordinates of the

         * mouse click are not available but the handle of an object who

         * received a mouse click.

         *

         * @param handle    The handle of an object

         * @param pressed   TRUE=The mouse button is pressed.

         */

        void mouseEvent(ulong handle, bool pressed);

        /**

         * Searches for a button with the handle \p handle and determines all

         * buttons with the same port and channel. Then it sets \p txt to all

         * found buttons.

         *

         * @param handle    The handle of a button.

         * @param txt       The text usualy comming from an input line.

         * @param redraw    If this is set to true the button is redrawn.

         */

        void setTextToButton(ulong handle, const std::string& txt, bool redraw=false);

        /**

         * Iterates through all active subpages of the active page and drops

         * them.

         */

        void dropAllSubPages();

        /**

         * Closes all subpages in the group \p group.

         *

         * @param group The name of the group.

         */

        void closeGroup(const std::string& group);

        /**

         * Displays the subpage \p name. If the subpage is part of a group

         * the open subpage in the group is closed, if there was one open. Then

         * the subpage is displayed. If the subpage is not already in the

         * internal buffer it's configuration file is read and the page is

         * created.

         *

         * @param name  The name of the subpage to display.

         */

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

        /**

         * Displays the subpage \p number. If the subpage is part of a group

         * the open subpage in the group is closed, if there was one open. Then

         * the subpage is displayed. If the subpage is not already in the

         * internal buffer it's configuration file is read and the page is

         * created.

         *

         * @param name  The name of the subpage to display.

         */

        void showSubPage(int number, bool force=false);

        /**

         * Hides the subpage \p name.

         *

         * @param name  The name of the subpage to hide.

         */

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

        /**

         * This is called whenever an input button finished or changed it's

         * content. It is called indirectly out of the class TQEditLine.

         * The method writes the content into the text area of the button the

         * handle points to.

         *

         * @param handle   The handle of the button.

         * @param content  The content of the text area.

         */

        void inputButtonFinished(ulong handle, const std::string& content);

        void inputCursorPositionChanged(ulong handle, int oldPos, int newPos);

        void inputFocusChanged(ulong handle, bool in);

#ifdef _SCALE_SKIA_

        void setScaleFactor(double scale) { mScaleFactor = scale; }

        double getScaleFactor() { return mScaleFactor; }

        void setScaleFactorWidth(double scale) { mScaleFactorWidth = scale; }

        double getScaleFactorWidth() { return mScaleFactorWidth; }

        void setScaleFactorHeight(double scale) { mScaleFactorHeight = scale; }

        double getScaleFactorHeight() { return mScaleFactorHeight; }

#endif

        /**

         * This method handles some external buttons. Some original panels from

         * AMX have external hard buttons. TPanel simulates some of them like

         * the arrow keys, enter button and volume. The graphical surface may

         * display a toolbar on the right side (only if there is enough space

         * left) which offers this buttons. When such a button was pressed, this

         * method is called to send them to the controller.

         *

         * @param bt        The button who was pressed

         * @param checked   On button press this is TRUE, and on release it is FALSE.

         */

        void externalButton(extButtons_t bt, bool checked);

        void sendKeyboard(const std::string& text);

        void sendKeypad(const std::string& text);

        void sendString(uint handle, const std::string& text);

        void sendGlobalString(const std::string& text);

        void sendPHNcommand(const std::string& cmd);

        void sendKeyStroke(char key);

        void sendCommandString(int port, const std::string& cmd);

        /**

         * This starts the communication with the AMX controller. The method

         * registers the callbacks and starts a thread. This thread runs as

         * long as a valid communication is possible or until the communication

         * end by a command.

         */

        void startUp();

        /**

         * This starts a thread running the command loop. Each event from the

         * Netlinx is entered into a vector array (doCommand()) and this

         * method starts the event loop as a thread running as long as this

         * class exists.

         */

        void runCommands();

        /**

         * This method is the thread started by the command runCommands().

         */

        void commandLoop();

        /**

         * Callback function for the AMX controller part. This function must

         * be registered to the class TAmxNet and is called from this module

         * every time an event occured from the controller.

         * This method handles the commands comming from the controller and

         * draws the necessary elements before they are sent to the GUI.

         *

         * @param cmd

         * An ANET_COMMAND structure containing the received command.

         */

        void doCommand(const amx::ANET_COMMAND& cmd);

        /**

         * Returns the state of setup. If the setup pages are active it returns

         * TRUE.

         *

         * @return State of setup pages

         */

        bool isSetupActive() { return mSetupActive; }

        /**

         * Activates the setup pages unless they are not visible already.

         */

        void showSetup();

        /**

         * Deactivates the setup pages and restores the previous normal page.

         */

        void hideSetup();

        /**

         * Determines the page or subpage the handle points to and returns the

         * selected row of a list, if there is one.

         * The row index starts by 1!

         *

         * @param handle    The handle of the button.

         * @return If the button is a list and a row was selected then a number

         * grater than 0 is returned. Otherwise -1 is returned.

         */

        int getSelectedRow(ulong handle);

        /**

         * Finds the page or subpage and returns the selected item as a string.

         * If there was no list, or no items in the list, or nothing selected,

         * an empty string is returned.

         *

         * @param handle    The handle of the button

         * @return The string of the selected item or an empty string.

         */

        std::string getSelectedItem(ulong handle);

        /**

         * Finds the corresponding list and sets the selected row. The \b row

         * must be a value starting by 1. It must not be bigger that items in

         * the list.

         *

         * @param handle    The handle of the button

         * @param row       The number of the selected row.

         */

        void setSelectedRow(ulong handle, int row, const std::string& text);

#ifdef Q_OS_IOS

        void setBattery(int level, int state) { mLastBatteryLevel = level; mLastBatteryState = state; }

#endif

#ifdef _SCALE_SKIA_

        /**

         * Set the scale factor for the system setup pages. On a desktop this

         * factor is in relation to the size of the normal pages, if there any.

         * On a mobile device the factor is in relation to the resolution of

         * the display.

         * The scale factor is calculated in qtmain.cpp: MainWindow::calcScaleSetup()

         *

         * @param scale  The overall scale factor. This is used for calculations

         * and ensures that the ratio of the objects is maintained.

         * @param sw     The scale factor for the width.

         * @param sh     The scale factor for the height.

         */

        void setSetupScaleFactor(double scale, double sw, double sh);

#endif

        // Callbacks who will be registered by the graphical surface.

        std::function<void (ulong handle, ulong parent, TBitmap buffer, int width, int height, int left, int top, bool passthrough)> getCallbackDB() { return _displayButton; }

        std::function<void (ulong handle)> getCallDropButton() { return _dropButton; }

        std::function<void (ulong handle, bool state)> getVisible() { return _setVisible; };

#ifdef _OPAQUE_SKIA_

        std::function<void (ulong handle, TBitmap image, int width, int height, ulong color)> getCallbackBG() { return _setBackground; }

#else

        std::function<void (ulong handle, TBitmap image, int width, int height, ulong color, int opacity)> getCallbackBG() { return _setBackground; }

#endif

        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)> getCallbackPV() { return _callPlayVideo; }

        std::function<void (ulong handle, int width, int height)> getCallbackSetPage() { return _setPage; }

        std::function<void (Button::TButton *button, Button::BITMAP_t& bm, int frame)> getCallbackInputText() { return _callInputText; }

        std::function<void (Button::TButton *button, Button::BITMAP_t& bm, int frame)> getCallbackListBox() { return _callListBox; }

        std::function<void (ulong handle, ulong parent, int left, int top, int width, int height, ANIMATION_t animate)> getCallbackSetSubPage() { return _setSubPage; }

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

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

        std::function<void (const std::string& file)> getCallPlaySound() { return _playSound; }

        std::function<void ()> getCallStopSound() { return _stopSound; }

        std::function<void (bool state)> getCallMuteSound() { return _muteSound; }

        std::function<void (const std::string& str)> sendVirtualKeys() { return _sendVirtualKeys; }

        std::function<void (bool state)> getShowPhoneDialog() { return _showPhoneDialog; }

        std::function<void (const std::string& number)> getSetPhoneNumber() { return _setPhoneNumber; }

        std::function<void (const std::string& msg)> getSetPhoneStatus() { return _setPhoneStatus; }

        std::function<void (int state, int id)> getSetPhoneState() { return _setPhoneState; }

        std::function<void (ulong handle)> getToFront() { return _toFront; }

        std::function<void (int width, int height)> getMainWindowSizeFunc() { return _setMainWindowSize; }

        std::function<void (const std::string& file, size_t size)> getDownloadSurface() { return _downloadSurface; }

        std::function<void (const std::string& msg, const std::string& title)> getDisplayMessage() { return _displayMessage; }

        std::function<void (ulong handle, const std::string& path, const std::string& extension, const std::string& suffix)> getFileDialogFunction() { return _fileDialog; }

        std::function<void (const std::string& text)> getStartWait() { return _startWait; }

        std::function<void ()> getStopWait() { return _stopWait; }

        std::function<void (ulong handle)> getPageFinished() { return _pageFinished; }

        std::function<void (ulong handle, ulong parent, bool vertical, TBitmap buffer, int width, int height, int left, int top, int space, TColor::COLOR_T fillColor)> getDisplayViewButton() { return _displayViewButton; }

        std::function<void (Button::TButton& button, unsigned char *buffer, int pixline)> getAddViewButtonItem() { return _addViewButtonItem; }

        std::function<void (ulong parent, std::vector<PGSUBVIEWITEM_T> items)> getAddViewButtonItems() { return _addViewButtonItems; }

        std::function<void (ulong handle, ulong parent, TBitmap buffer, TColor::COLOR_T fillColor)> getUpdateViewButton() { return _updateViewButton; }

        std::function<void (PGSUBVIEWITEM_T& item, ulong parent)> getUpdateViewButtonItem() { return _updateViewButtonItem; }

        std::function<void (ulong handle, ulong parent, int position, int timer)> getShowSubViewItem() { return _showSubViewItem; }

#if defined(Q_OS_ANDROID) || defined(Q_OS_IOS)

        std::function<void (int orientation)> onOrientationChange() { return _onOrientationChange; }

        std::function<void (const std::string& oldNetlinx, int oldPort, int oldChannelID, const std::string& oldSurface, bool oldToolbarSuppress, bool oldToolbarForce)> onSettingsChanged() { return _onSettingsChanged; }

#endif

        std::function<void ()> getRepaintWindows() { return _repaintWindows; }

        int getOrientation() { return mOrientation; }

        void setOrientation(int ori) { mOrientation = ori; }

        bool getInformOrientation() { return mInformOrientation; }

        void sendOrientation();

        bool havePlaySound() { return _playSound != nullptr; }

        TSystemDraw *getSystemDraw() { return mSystemDraw; }

        void reset();

        bool getPassThrough() { return mPassThrough; }

        bool haveSetupPage() { return _callShowSetup != nullptr; }

        bool haveShutdown() { return _shutdown != nullptr; }

        void callSetupPage() { if (_callShowSetup) _callShowSetup(); }

        void callShutdown() { if (_shutdown) _shutdown(); }

#ifndef _NOSIP_

        bool getPHNautoanswer() { return mPHNautoanswer; }

        void sendPHN(std::vector<std::string>& cmds);

        void actPHN(std::vector<std::string>& cmds);

        void phonePickup(int id);

        void phoneHangup(int id);

#endif

        void addFtpSurface(const std::string& file, size_t size) { mFtpSurface.push_back(_FTP_SURFACE_t{file, size}); };

        inline size_t getFtpSurfaceSize(const std::string& file)

        {

            if (mFtpSurface.empty())

                return 0;

            std::vector<_FTP_SURFACE_t>::iterator iter;

            for (iter = mFtpSurface.begin(); iter != mFtpSurface.end(); ++iter)

            {

                if (iter->file == file)

                    return iter->size;

            }

            return 0;

        }

        void clearFtpSurface() { mFtpSurface.clear(); }

    protected:

        PAGELIST_T findPage(const std::string& name);

        PAGELIST_T findPage(int ID);

        SUBPAGELIST_T findSubPage(const std::string& name);

        SUBPAGELIST_T findSubPage(int ID);

        bool addPage(TPage *pg);

        bool addSubPage(TSubPage *pg);

        TSubPage *getCoordMatch(int x, int y);

        Button::TButton *getCoordMatchPage(int x, int y);

        void initialize();

        void dropAllPages();

        bool startComm();

    private:

        std::function<void (ulong handle, ulong parent, TBitmap image, int width, int height, int left, int top, bool passthrough)> _displayButton{nullptr};

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

        std::function<void (ulong handle, bool state)> _setVisible{nullptr};

        std::function<void (ulong handle, int width, int height)> _setPage{nullptr};

        std::function<void (ulong handle, ulong parent, int left, int top, int width, int height, ANIMATION_t animate)> _setSubPage{nullptr};

#ifdef _OPAQUE_SKIA_

        std::function<void (ulong handle, TBitmap image, int width, int height, ulong color)> _setBackground{nullptr};

#else

        std::function<void (ulong handle, TBitmap image, int width, int height, ulong color, int opacity)> _setBackground{nullptr};

#endif

        std::function<void (ulong handle, const std::string& text, const std::string& font, const std::string& family, int size, int x, int y, ulong color, ulong effectColor, FONT_STYLE style, Button::TEXT_ORIENTATION ori, Button::TEXT_EFFECT effect, bool ww)> _setText{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)> _callPlayVideo{nullptr};

        std::function<void (Button::TButton *button, Button::BITMAP_t& bm, int frame)> _callInputText{nullptr};

        std::function<void (Button::TButton *button, Button::BITMAP_t& bm, int frame)> _callListBox{nullptr};

        std::function<void (const std::string& init, const std::string& prompt, bool priv)> _callKeyboard{nullptr};

        std::function<void (const std::string& init, const std::string& prompt, bool priv)> _callKeypad{nullptr};

        std::function<void ()> _callResetKeyboard{nullptr};

        std::function<void ()> _callShowSetup{nullptr};

        std::function<void ()> _resetSurface{nullptr};

        std::function<void ()> _shutdown{nullptr};

        std::function<void (const std::string& file)> _playSound{nullptr};

        std::function<void ()> _stopSound{nullptr};

        std::function<void (bool state)> _muteSound{nullptr};

        std::function<void (const std::string& str)> _sendVirtualKeys{nullptr};

        std::function<void (bool state)> _showPhoneDialog{nullptr};

        std::function<void (const std::string& number)> _setPhoneNumber{nullptr};

        std::function<void (const std::string& msg)> _setPhoneStatus{nullptr};

        std::function<void (int state, int id)> _setPhoneState{nullptr};

        std::function<void ()> _repaintWindows{nullptr};

        std::function<void (uint handle)> _toFront{nullptr};

        std::function<void (int width, int height)> _setMainWindowSize{nullptr};

        std::function<void (const std::string& file, size_t size)> _downloadSurface{nullptr};

        std::function<void (const std::string& msg, const std::string& title)> _displayMessage{nullptr};

        std::function<void (ulong handle, const std::string& path, const std::string& extension, const std::string& suffix)> _fileDialog{nullptr};

        std::function<void (const std::string& text)> _startWait{nullptr};

        std::function<void ()> _stopWait{nullptr};

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

        std::function<void (ulong handle, ulong parent, bool vertical, TBitmap buffer, int width, int height, int left, int top, int space, TColor::COLOR_T fillColor)> _displayViewButton{nullptr};

        std::function<void (Button::TButton& button, unsigned char *buffer, int pixline)> _addViewButtonItem{nullptr};

        std::function<void (ulong handle, ulong parent, TBitmap buffer, TColor::COLOR_T fillColor)> _updateViewButton{nullptr};

        std::function<void (ulong parent, std::vector<PGSUBVIEWITEM_T> items)> _addViewButtonItems{nullptr};

        std::function<void (PGSUBVIEWITEM_T& item, ulong parent)> _updateViewButtonItem{nullptr};

        std::function<void (ulong handle, ulong parent, int position, int timer)> _showSubViewItem{nullptr};

#if defined(Q_OS_ANDROID) || defined(Q_OS_IOS)

        std::function<void (int orientation)> _onOrientationChange{nullptr};

        std::function<void (const std::string& oldNetlinx, int oldPort, int oldChannelID, const std::string& oldSurface, bool oldToolbarSuppress, bool oldToolbarForce)> _onSettingsChanged{nullptr};

#endif

        typedef struct _FTP_SURFACE_t

        {

            std::string file;

            size_t size{0};

        }_FTP_SURFACE_t;

        typedef struct _CLICK_QUEUE_t

        {

            bool coords{false};

            ulong handle{0};

            bool pressed{false};

            int x{0};

            int y{0};

        }_CLICK_QUEUE_t;

        /**

         * @brief doOverlap checks for overlapping objects

         *

         * The function checks whether some objects on the surface overlap or

         * not. If they do it returns TRUE.

         * This is used for images where we should check for a transparent

         * pixel.

         *

         * @param r1    The rectangular of the first object

         * @param r2    The rectangular of the second object

         * @return If the objects \p r1 and \p r2 overlap at least partialy,

         * TRUE is returned. Otherwise FALSE.

         */

        bool doOverlap(RECT_T r1, RECT_T r2);

        /**

         * The following function is used internaly. It searches in the map

         * table for the button corresponding to the port and channel number

         * and puts the result into a chain of buttons. This chain is returned.

         *

         * If there are some pages not yet in memory, they will be created just

         * to be able to set the button(s).

         */

        std::vector<Button::TButton *> collectButtons(std::vector<TMap::MAP_T>& map);

        /**

         * This internal function frees and destroys all settings, loaded pages

         * and sub pages as well as all buttons ens elements belonging to this

         * pages. Wehen the function is finished, the state is the same as it

         * was immediately at startup.

         * This method is called when a filetransfer starts. It is necessary to