Funktionsreferenz
PHP Manual

Newt Functions

Einführung

This is a PHP language extension for RedHat Newt library, a terminal-based window and widget library for writing applications with user friendly interface. Once this extension is enabled in PHP it will provide the use of Newt widgets, such as windows, buttons, checkboxes, radiobuttons, labels, editboxes, scrolls, textareas, scales, etc. Use of this extension if very similar to the original Newt API of C programming language.

Anforderungen

This module uses the functions of the RedHat Newt library. You need libnewt version >= 0.51.0.

Installation

Diese » PECL Erweiterung ist nicht Teil von PHP. Zusätzliche Informationen, wie neue Releases, Downloads Quelldateien, Maintainerinformation und ein CHANGELOG finden Sie hier: » http://pecl.php.net/package/newt.

Für PHP 4 finden Sie die Quellen dieser PECL Erweiterung im ext/ Verzeichnis innerhalb der PHP Quellen oder unter dem PECL Link wie oben angegeben. In order to use these functions you must compile CGI or CLI PHP with newt support by using the --with-newt[=DIR] configure option.

Hinweis: This extension is not available for Windows platform.
You may need also curses and slang libraries, in order to compile this extension. To specify locations of these libraries, use the following configuration options: --with-curses-dir=/path/to/libcurses --with-slang-dir=/path/to/libslang

Resource Typen

This extension uses two resource types: "newt component" and "newt grid". Resource type "newt component" is returned by functions, which create common newt widgets (for example: newt_button()) Resource type "newt grid" is a special link identifier for components, returned by newt grid factory functions (for example: newt_create_grid())

Vordefinierte Konstanten

Folgende Konstanten werden von dieser Erweiterung definiert und stehen nur zur Verfügung, wenn die Erweiterung entweder statisch in PHP kompiliert oder dynamisch zur Laufzeit geladen wurde.

Newt form exit reasons

Newt form exit reasons
constant meaning
NEWT_EXIT_HOTKEY hotkey defined by newt_form_add_hot_key() was pressed
NEWT_EXIT_COMPONENT some component has caused form to exit
NEWT_EXIT_FDREADY file descriptor specified in newt_form_watch_fd() is ready to be read or written to
NEWT_EXIT_TIMER time specified in newt_form_set_timer() has elapsed

Newt colorsets

Newt colorsets
constant meaning
NEWT_COLORSET_ROOT  
NEWT_COLORSET_BORDER  
NEWT_COLORSET_WINDOW  
NEWT_COLORSET_SHADOW  
NEWT_COLORSET_TITLE  
NEWT_COLORSET_BUTTON  
NEWT_COLORSET_ACTBUTTON  
NEWT_COLORSET_CHECKBOX  
NEWT_COLORSET_ACTCHECKBOX  
NEWT_COLORSET_ENTRY  
NEWT_COLORSET_LABEL  
NEWT_COLORSET_LISTBOX  
NEWT_COLORSET_ACTLISTBOX  
NEWT_COLORSET_TEXTBOX  
NEWT_COLORSET_ACTTEXTBOX  
NEWT_COLORSET_HELPLINE  
NEWT_COLORSET_ROOTTEXT  
NEWT_COLORSET_ROOTTEXT  
NEWT_COLORSET_EMPTYSCALE  
NEWT_COLORSET_FULLSCALE  
NEWT_COLORSET_DISENTRY  
NEWT_COLORSET_COMPACTBUTTON  
NEWT_COLORSET_ACTSELLISTBOX  
NEWT_COLORSET_SELLISTBOX  

Newt argument flags

Newt argument flags
constant meaning
NEWT_ARG_LAST  
NEWT_ARG_APPEND  

Newt Flags Sense

Newt Flags Sense
constant meaning
NEWT_FLAGS_SET  
NEWT_FLAGS_RESET  
NEWT_FLAGS_TOGGLE  

Newt Components Flags

Newt Components Flags
constant meaning
NEWT_FLAG_RETURNEXIT Exit form, when component is activated
NEWT_FLAG_HIDDEN Component is hidden
NEWT_FLAG_SCROLL Component is scrollable
NEWT_FLAG_DISABLED Component is disabled
NEWT_FLAG_BORDER  
NEWT_FLAG_WRAP Wrap text
NEWT_FLAG_NOF12 Don't exit form on pressing F12
NEWT_FLAG_MULTIPLE  
NEWT_FLAG_SELECTED Component is selected
NEWT_FLAG_CHECKBOX Component is checkbox
NEWT_FLAG_PASSWORD Entry component is password entry
NEWT_FLAG_SHOWCURSOR Show cursor

File Descriptor Flags

File Descriptor Flags
constant meaning
NEWT_FD_READ  
NEWT_FD_WRITE  
NEWT_FD_EXCEPT  

Checkbox Tree Flags

Checkbox Tree Flags
constant meaning
NEWT_CHECKBOXTREE_UNSELECTABLE  
NEWT_CHECKBOXTREE_HIDE_BOX  
NEWT_CHECKBOXTREE_COLLAPSED  
NEWT_CHECKBOXTREE_EXPANDED  
NEWT_CHECKBOXTREE_UNSELECTED  
NEWT_CHECKBOXTREE_SELECTED  

Entry Flags

Entry Flags
constant meaning
NEWT_ENTRY_SCROLL  
NEWT_ENTRY_HIDDEN  
NEWT_ENTRY_RETURNEXIT  
NEWT_ENTRY_DISABLED  

Listbox Flags

Listbox Flags
constant meaning
NEWT_LISTBOX_RETURNEXIT  

Textbox Flags

Textbox Flags
constant meaning
NEWT_TEXTBOX_WRAP Wrap text in the textbox
NEWT_TEXTBOX_SCROLL Scroll text in the textbox

Form Flags

Form Flags
constant meaning
NEWT_FORM_NOF12 Don't exit form on F12 press

Newt Keys

Newt Keys
constant meaning
NEWT_KEY_TAB  
NEWT_KEY_ENTER  
NEWT_KEY_SUSPEND  
NEWT_KEY_ESCAPE  
NEWT_KEY_RETURN  
NEWT_KEY_EXTRA_BASE  
NEWT_KEY_UP  
NEWT_KEY_DOWN  
NEWT_KEY_LEFT  
NEWT_KEY_RIGHT  
NEWT_KEY_BKSPC  
NEWT_KEY_DELETE  
NEWT_KEY_HOME  
NEWT_KEY_END  
NEWT_KEY_UNTAB  
NEWT_KEY_PGUP  
NEWT_KEY_PGDN  
NEWT_KEY_INSERT  
NEWT_KEY_F1  
NEWT_KEY_F2  
NEWT_KEY_F3  
NEWT_KEY_F4  
NEWT_KEY_F5  
NEWT_KEY_F6  
NEWT_KEY_F7  
NEWT_KEY_F8  
NEWT_KEY_F9  
NEWT_KEY_F10  
NEWT_KEY_F11  
NEWT_KEY_F12  
NEWT_KEY_RESIZE  

Newt Anchors

Newt Anchors
constant meaning
NEWT_ANCHOR_LEFT  
NEWT_ANCHOR_RIGHT  
NEWT_ANCHOR_TOP  
NEWT_ANCHOR_BOTTOM  

Grid Flags

Grid Flags
constant meaning
NEWT_GRID_FLAG_GROWX  
NEWT_GRID_FLAG_GROWY  
NEWT_GRID_EMPTY  
NEWT_GRID_COMPONENT  
NEWT_GRID_SUBGRID  

Beispiele

This example is a PHP port of RedHat 'setup' utility dialog, executed in text mode.

Example#1 Newt Usage Example

<?php
    newt_init 
();
    
newt_cls ();

    
newt_draw_root_text (00"Test Mode Setup Utility 1.12");
    
newt_push_help_line (null);
    
newt_draw_root_text (-300"(c) 1999-2002 RedHat, Inc");

    
newt_get_screen_size (&$rows, &$cols);

    
newt_open_window ($rows/2-17$cols/2-103417"Choose a Tool");

    
$form newt_form ();

    
$list newt_listbox (3210);

    foreach (array (
        
"Authentication configuration",
        
"Firewall configuration",
        
"Mouse configuration",
        
"Network configuration",
        
"Printer configuration",
        
"System services") as $l_item)
    {
        
newt_listbox_add_entry ($list$l_item$l_item);
    }

    
$b1 newt_button (512"Run Tool");
    
$b2 newt_button (2112"Quit");

    
newt_form_add_component ($form$list);
    
newt_form_add_components ($form, array($b1$b2));

    
newt_refresh ();
    
newt_run_form ($form);

    
newt_pop_window ();
    
newt_pop_help_line ();
    
newt_finished ();
    
newt_form_destroy ($form);
?>

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