hk_visible.h

// ****************************************************************************
// copyright (c) 2000-2004 Horst Knorr <hk_classes@knoda.org>  
// This file is part of the hk_classes library.
// This file may be distributed and/or modified under the terms of the
// GNU Library Public License version 2 as published by the Free Software
// Foundation and appearing in the file COPYING included in the
// packaging of this file.
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
// ****************************************************************************
#ifndef HK_VISIBLE
#define HK_VISIBLE
#include "hk_definitions.h"
#include "hk_class.h"
#include "hk_colour.h"
#include "hk_font.h"

using namespace std;

class hk_presentation;
class hk_form;
class hk_report;
class hk_visiblemodeprivate;
class hk_visibleprivate;

class hk_visible:public hk_class

{
    friend class hk_presentation;
    friend class hk_form;
    friend class hk_reportdata;
    public:
        hk_visible(hk_presentation* p=NULL);
        virtual     ~hk_visible(void);
        void        set_x(unsigned int px, bool registerchange=true);
        void        set_y(unsigned int py, bool registerchange=true);
        void        set_width(unsigned int w, bool registerchange=true);
        void        set_height(unsigned int h, bool registerchange=true);
        unsigned int    x(void) const;
        unsigned int    y(void) const;
        unsigned int    width(void)const;
        unsigned int    height(void) const;
        void        set_size(unsigned int x, unsigned int y,unsigned int w, unsigned int h, bool registerchange=true);
        void        set_size(unsigned int x, unsigned int y,unsigned int w, unsigned int h, bool registerchange,bool force_setting);
        void        set_size(unsigned int width, unsigned int height, bool registerchange=true);
        void        set_position(unsigned int x, unsigned int y, bool registerchange=true);
        void        set_label(const hk_string& l, bool registerchange=true);
        void        set_label(const hk_string& l, bool registerchange,bool force_setting);
        hk_string       label(void);
        bool set_identifier(const hk_string&,bool registerchange=true,enum_interaction=interactive);
        hk_string identifier(void) const;


        enum enum_visibletype {textlabel,button,rowselector,boolean,lineedit,memo,combobox,grid,form,report,reportsection,reportdata,query,subform,other};
        enum_visibletype  type(void) {return p_visibletype;}
        void       set_font(const hk_string& font,int size,bool registerchange=true);
        void       set_font(const hk_string& font,int size,bool registerchange,bool force_setting);
        void       set_font(const hk_font& font,bool registerchange=false);
        void       set_font(const hk_font& font,bool registerchange,bool force_setting);

        virtual hk_font     font(void);
        void   set_foregroundcolour(const hk_colour& colour,bool registerchange=true);
        void   set_foregroundcolour(const hk_colour& colour,bool registerchange,bool force_setting);
        hk_colour foregroundcolour(void);
        void   set_backgroundcolour(const hk_colour& colour,bool registerchange=true);
        void   set_backgroundcolour(const hk_colour& colour,bool registerchange,bool force_setting);
        hk_colour backgroundcolour(void);

        void set_neverregisterchange(bool n);
        void set_neverregisterchange(bool n,bool force_setting);
        bool neverregisterchange(void);
        virtual void savedata(ostream& s );
        virtual void loaddata(const hk_string& definition);
        long  presentationnumber(void) const;
        void set_datetimeformat(const hk_string& datetime,const hk_string& date, const hk_string&  time);
        void set_datetimeformat(const hk_string& datetime,const hk_string& date, const hk_string&  time,bool force_setting);
        hk_string datetimeformat(void);
        hk_string dateformat(void);
        hk_string timeformat(void);
        void set_counts_as(unsigned long int c);
        virtual void set_counts_as(unsigned long int c,bool force_setting);
        virtual unsigned long int counts_as(void);
        virtual hk_string replace(const hk_string& where);
        hk_presentation* presentation(void);

        void set_load_presentationnumber(bool l);
        void set_load_presentationnumber(bool l,bool force_setting);
        bool load_presentationnumber(void);
        enum alignmenttype{alignleft,alignright,aligncenter,aligndefault};
        void set_alignment(alignmenttype a,bool registerchange=true);
        void set_alignment(alignmenttype a,bool registerchange,bool force_setting);
        alignmenttype alignment(void);

        static void set_defaulttextalignment(alignmenttype a);
        static alignmenttype defaulttextalignment(void);
        static void set_defaultnumberalignment(alignmenttype a);
        static alignmenttype defaultnumberalignment(void);
        static void set_open_maximized_windows(bool m);
        static bool open_maximized_windows(void);

        virtual void lower_widget(bool registerchange=true);
        virtual void raise_widget(bool registerchange=true);

        void set_on_click_action(const hk_string&,bool registerchange=true);
        hk_string on_click_action(void);
        void set_on_doubleclick_action(const hk_string&,bool registerchange=true);
        hk_string on_doubleclick_action(void);
        void set_on_open_action(const hk_string&,bool registerchange=true);
        hk_string on_open_action(void);
        void set_on_close_action(const hk_string&,bool registerchange=true);
        hk_string on_close_action(void);


    protected:
        virtual void        widget_specific_form_resizes(void);
        virtual void        widget_specific_font_changed(void);
        virtual void        widget_specific_label_changed(void);
        virtual void        widget_specific_foregroundcolour_changed(const hk_colour& oldcolour);
        virtual void        widget_specific_backgroundcolour_changed(const hk_colour& oldcolour);
        virtual bool        widget_specific_coordinates(unsigned int px,unsigned int py,unsigned int pwidth,unsigned int pheight);
        virtual void        widget_specific_raise_widget(void);
        virtual void        widget_specific_lower_widget(void);
        virtual void    presentationmode_changed(void);
        virtual void widget_specific_alignment(void);
        virtual void sizetype_changed(void);
        virtual void        widget_specific_sizetype_changed(void);
// script action called when this visible object is clicked
virtual bool action_on_click(void);
virtual bool action_on_doubleclick(void);
virtual     bool  action_on_close(void);
virtual     bool  action_on_open(void);

        bool        allow_datachanging(bool force_setting);
        enum enum_has_changed{standard,forcesetting};
        void        has_changed(bool registerchange,enum_has_changed force_setting=standard);
        hk_presentation*    p_presentation;
        enum_visibletype p_visibletype;
        bool        p_setcoordinates;
        bool        p_setwidgetcoordinates;
        bool        while_init;

    private:
        static alignmenttype p_defaulttextalign;
        static alignmenttype p_defaultnumberalign;
        static  bool        p_open_maximized_windows;

        hk_visiblemodeprivate* p_designdata;
        hk_visiblemodeprivate* p_viewdata;
        hk_visibleprivate* p_private;
        long int    p_vupn;                       //visual unique presentation number

};
#endif

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