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<h1>Source: hk_classes/hk_classes/hk_form.h</h1>
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// ****************************************************************************
// copyright (c) 2000-2002 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_FORM_H
#define HK_FORM_H
#include "hk_presentation.h"
using namespace std;
class hk_dslineedit;
class hk_dsgrid;
class hk_dsboolean;
class hk_dsrowselector;
class hk_dscombobox;
class hk_dsmemo;
class hk_button;
class hk_label;
class hk_formprivate;
/**
*
*@short base class for forms
*@version $Revision: 1.2 $
*@author Horst Knorr (hk_classes@knoda.org)
*
*/
/**
* base class of a form.To use it set a database with set_database() first. To create a form it has to be in
*mode "design".
*/
class hk_form:public hk_presentation
{
friend class hk_dsvisible;
friend class hk_visible;
public:
hk_form(void);
virtual ~hk_form(void);
/**
* the form has to be in design mode to use this function! The function will create a new
* grid in the upper left corner.
*@return the new created object if successful else NULL
*/
hk_dsgrid* new_grid(void);
/**
* the form has to be in design mode to use this function! The function will create a new
* lineeidt field in the upper left corner.
*@return the new created object if successful else NULL
*/
hk_dslineedit* new_lineedit(void);
/**
* the form has to be in design mode to use this function! The function will create a new
* bool field in the upper left corner.
*@return the new created object if successful else NULL
*/
hk_dsboolean* new_bool(void);
/**
* the form has to be in design mode to use this function! The function will create a new
* combobox in the upper left corner.
*@return the new created object if successful else NULL
*/
hk_dscombobox* new_combobox(void);
/**
* the form has to be in design mode to use this function! The function will create a new
* button in the upper left corner.
*@return the new created object if successful else NULL
*/
hk_button* new_button(void);
/**
* the form has to be in design mode to use this function! The function will create a new
* row selector in the upper left corner.
*@return the new created object if successful else NULL
*/
hk_dsrowselector* new_rowselector(void);
/**
* the form has to be in design mode to use this function! The function will create a new
* memofield in the upper left corner.
*@return the new created object if successful else NULL
*/
hk_dsmemo* new_memo(void);
/**
* the form has to be in design mode to use this function! The function will create a new
* textlabel in the upper left corner.
*@return the new created object if successful else NULL
*/
hk_label* new_label(void);
/**
*save the form to a file
*@param name the name of the file
*@param ask if true and the form already exists you will be asked before the old form will be overwritten
*@return true if successful else false
*/
bool save_form(const hk_string& name="",bool ask=true);
/**
*load the form from a file
*@param name the name of the file
*@return true if successful else false
*/
void load_form(const hk_string& name="");
virtual void savedata(ostream& s);
virtual void loaddata(const hk_string& definition);
/**
* sets the real size of the form. If you designed a form in i.e. 800x600 resolution and want to watch it
* with 1024x768 resolution, set this to 1024x768. Dynamic sized visible objects will be resized. All objects
* will be positioned new.
*/
virtual void set_designsize(unsigned int width, unsigned int height,bool registerchange=true);
hk_visible* get_visible(long nr);
hk_visible* get_visible(const hk_string& identifier);
virtual void bulk_operation(enum_bulkoperation bulkoperation);
virtual bool set_mode(enum_mode s);
protected:
virtual hk_dsgrid* widget_specific_new_grid(void){return NULL;}
virtual hk_dsrowselector* widget_specific_new_rowselector(void){return NULL;}
virtual hk_dslineedit* widget_specific_new_lineedit(void){return NULL;}
virtual hk_dsboolean* widget_specific_new_bool(void){return NULL;}
virtual hk_button* widget_specific_new_button(void){return NULL;}
virtual hk_dscombobox* widget_specific_new_combobox(void){return NULL;}
virtual hk_dsmemo* widget_specific_new_memo(void){return NULL;}
virtual hk_label* widget_specific_new_label(void){return NULL;}
virtual void widget_specific_fieldresize(hk_visible* v);
virtual void widget_specific_after_loadform(void){}
list<hk_visible*>* visibles(void);
void remove_visible(hk_visible* v);
hk_visible* new_object(const hk_string& name);
void raise_widget(hk_visible*);
void lower_widget(hk_visible*);
virtual void sizetype_changed(void);
private:
void add_visible(hk_visible* v);
void clear_visiblelist(void);
hk_formprivate* p_private;
};
#endif
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