CII. Newt Functions
Úvod
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.
Požadavky
This module uses the functions of the RedHat Newt library. You need libnewt version >= 0.51.0.
Instalace
Toto rozšíření » PECL není přibaleno k PHP. Informace o instalaci tohoto PECL rozšíření lze najít v kapitole manuálu nazvané Instalace rozšíření PECL. Další informace, jako nové verze, soubory ke stažení, zdrojové soubory, správcovské informace a CHANGELOG, lze najít zde: » http://pecl.php.net/package/newt.
V PHP 4 lze zdroje k těmto rozšířením PECL najít v adresáři ext/ ve zdrojích PHP source or nebo přes výše uvedený odkaz na PECL. In order to use these functions you must compile CGI or CLI PHP with newt support by using the --with-newt[=DIR] configure option.
Poznámka: 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
Typy prostředků
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())
Předdefinované konstanty
Tyto konstanty jsou definovány tímto rozšířením a budou k dispozici pouze tehdy, bylo-li rozšíření zkompilováno společně s PHP nebo dynamicky zavedeno za běhu.
Tabulka 183. 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 |
Tabulka 184. 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 |
Tabulka 187. 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 |
Tabulka 189. Checkbox Tree Flags
| constant | meaning |
|---|---|
| NEWT_CHECKBOXTREE_UNSELECTABLE | |
| NEWT_CHECKBOXTREE_HIDE_BOX | |
| NEWT_CHECKBOXTREE_COLLAPSED | |
| NEWT_CHECKBOXTREE_EXPANDED | |
| NEWT_CHECKBOXTREE_UNSELECTED | |
| NEWT_CHECKBOXTREE_SELECTED |
Tabulka 190. Entry Flags
| constant | meaning |
|---|---|
| NEWT_ENTRY_SCROLL | |
| NEWT_ENTRY_HIDDEN | |
| NEWT_ENTRY_RETURNEXIT | |
| NEWT_ENTRY_DISABLED |
Tabulka 192. Textbox Flags
| constant | meaning |
|---|---|
| NEWT_TEXTBOX_WRAP | Wrap text in the textbox |
| NEWT_TEXTBOX_SCROLL | Scroll text in the textbox |
Tabulka 194. 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 |
Tabulka 195. Newt Anchors
| constant | meaning |
|---|---|
| NEWT_ANCHOR_LEFT | |
| NEWT_ANCHOR_RIGHT | |
| NEWT_ANCHOR_TOP | |
| NEWT_ANCHOR_BOTTOM |
Tabulka 196. Grid Flags
| constant | meaning |
|---|---|
| NEWT_GRID_FLAG_GROWX | |
| NEWT_GRID_FLAG_GROWY | |
| NEWT_GRID_EMPTY | |
| NEWT_GRID_COMPONENT | |
| NEWT_GRID_SUBGRID |
Příklady
This example is a PHP port of RedHat 'setup' utility dialog, executed in text mode.
Příklad 1341. Newt Usage Example
<?php
newt_init ();
newt_cls ();
newt_draw_root_text (0, 0, "Test Mode Setup Utility 1.12");
newt_push_help_line (null);
newt_draw_root_text (-30, 0, "(c) 1999-2002 RedHat, Inc");
newt_get_screen_size (&$rows, &$cols);
newt_open_window ($rows/2-17, $cols/2-10, 34, 17, "Choose a Tool");
$form = newt_form ();
$list = newt_listbox (3, 2, 10);
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 (5, 12, "Run Tool");
$b2 = newt_button (21, 12, "Quit");
newt_form_add_component ($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);
?>
Obsah
- newt_bell — Send a beep to the terminal
- newt_button_bar
- newt_button — Create a new button
- newt_centered_window — Open a centered window of the specified size
- newt_checkbox_get_value
- newt_checkbox_set_flags
- newt_checkbox_set_value
- newt_checkbox_tree_add_item — *
- newt_checkbox_tree_find_item
- newt_checkbox_tree_get_current
- newt_checkbox_tree_get_entry_value
- newt_checkbox_tree_get_multi_selection
- newt_checkbox_tree_get_selection
- newt_checkbox_tree_multi
- newt_checkbox_tree_set_current
- newt_checkbox_tree_set_entry_value
- newt_checkbox_tree_set_entry
- newt_checkbox_tree_set_width
- newt_checkbox_tree
- newt_checkbox
- newt_clear_key_buffer — Discards the contents of the terminal's input buffer without waiting for additional input
- newt_cls
- newt_compact_button
- newt_component_add_callback
- newt_component_takes_focus
- newt_create_grid
- newt_cursor_off
- newt_cursor_on
- newt_delay
- newt_draw_form
- newt_draw_root_text — Displays the string text at the position indicated
- newt_entry_get_value
- newt_entry_set_filter
- newt_entry_set_flags
- newt_entry_set
- newt_entry
- newt_finished — Uninitializes newt interface
- newt_form_add_component — Adds a single component to the form
- newt_form_add_components — Add several components to the form
- newt_form_add_hot_key
- newt_form_destroy — Destroys a form
- newt_form_get_current
- newt_form_run — Runs a form
- newt_form_set_background
- newt_form_set_height
- newt_form_set_size
- newt_form_set_timer
- newt_form_set_width
- newt_form_watch_fd
- newt_form — Create a form
- newt_get_screen_size — Fills in the passed references with the current size of the terminal
- newt_grid_add_components_to_form
- newt_grid_basic_window
- newt_grid_free
- newt_grid_get_size
- newt_grid_h_close_stacked
- newt_grid_h_stacked
- newt_grid_place
- newt_grid_set_field
- newt_grid_simple_window
- newt_grid_v_close_stacked
- newt_grid_v_stacked
- newt_grid_wrapped_window_at
- newt_grid_wrapped_window
- newt_init — Initialize newt
- newt_label_set_text
- newt_label
- newt_listbox_append_entry
- newt_listbox_clear_selection
- newt_listbox_clear
- newt_listbox_delete_entry
- newt_listbox_get_current
- newt_listbox_get_selection
- newt_listbox_insert_entry
- newt_listbox_item_count
- newt_listbox_select_item
- newt_listbox_set_current_by_key
- newt_listbox_set_current
- newt_listbox_set_data
- newt_listbox_set_entry
- newt_listbox_set_width
- newt_listbox
- newt_listitem_get_data
- newt_listitem_set
- newt_listitem
- newt_open_window — Open a window of the specified size and position
- newt_pop_help_line — Replaces the current help line with the one from the stack
- newt_pop_window — Removes the top window from the display
- newt_push_help_line — Saves the current help line on a stack, and displays the new line
- newt_radio_get_current
- newt_radiobutton
- newt_redraw_help_line
- newt_reflow_text
- newt_refresh — Updates modified portions of the screen
- newt_resize_screen
- newt_resume — Resume using the newt interface after calling newt_suspend()
- newt_run_form — Runs a form
- newt_scale_set
- newt_scale
- newt_scrollbar_set
- newt_set_help_callback
- newt_set_suspend_callback — Set a callback function which gets invoked when user presses the suspend key
- newt_suspend — Tells newt to return the terminal to its initial state
- newt_textbox_get_num_lines
- newt_textbox_reflowed
- newt_textbox_set_height
- newt_textbox_set_text
- newt_textbox
- newt_vertical_scrollbar
- newt_wait_for_key — Doesn't return until a key has been pressed
- newt_win_choice
- newt_win_entries
- newt_win_menu
- newt_win_message
- newt_win_messagev
- newt_win_ternary
Newt Functions
