9.20 Page Control

GoFiler Legato Script Reference

Legato v 1.5b

Application v 5.24b

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Chapter Nine — Dialog Functions (continued)

9.20 Page Control

9.20.1 Introduction

The Page Control can be access as the “page_control” class as a dialog control or as the “page_view” class or PageView window. Page Control is available in Legato Basic where as Page View is only available in applications that support HTML editing. The Page Control can be addressed as “page_control” or the alias “PageControl”.

Page Control is a custom control that supports the editing of HTML in page layout mode. In most respects, the Page Control operates like other text based dialog controls in that text may be set and retrieved, actions taken and options set.

The Page Control is a HTML based layout editor. Page View which allows for access to the full suite of features from the application. Generally, dialog boxes should use Page Control.

Unlike other dialog controls, the Page Control accepts to be addressed in terms of X/Y file positions in column and line, respectively. Further, tab characters are counted as white space and as one character. Therefore, the Page Control operates in native tab mode.

Note: The Page Control is under development and is provided on a beta basic. It only processes basic HTML and CSS.

9.20.2 Page Control Types and Styles

The Page Control can have the suite of WS_ control styles and most commonly WS_HSCROLL and WS_VSCROLL. By default, the control does not have a border or scrollbars. Example of a Page Control:

CONTROL "", 101, "page_view", WS_CHILD | WS_VISIBLE | WS_BORDER | WS_TABSTOP,
12, 20, 340, 126, 0

9.20.3 Page Control Notifications

The following messages are sent via the dialog action procedure.

Notification code		Value	Description
Page Control Specific:
	PCN_UPDATE_STATUS	0x0010	Status/Position Change
	PCN_CLICK_SINGLE	0x0011	Click Once (Post Process)
	PCN_CLICK_DOUBLE	0x0012	Click Double (Post Process)
	PCN_CLICK_TRIPLE	0x0013	Click Double (Post Process)
	PCN_RIGHT_CLICK	0x0014	Right Click/Context Menu
	PCN_DRAG_SELECT	0x0015	Drag Selected (Post Process)
	PCN_KEYBOARD_NAVIGATE	0x0016	Change Position on Keyboard
	PCN_CONTEXT_MENU_KEY	0x0017	Pressed Context Menu Key
	PCN_CONTEXT_MENU_OPEN	0x0018	Open Context Menu (to be presented)
	PCN_CONTEXT_MENU_CLOSE	0x0019	Close Context Menu
Edit Control Common:
	PCN_SET_FOCUS	0x0100	The control has received focus.
	PCN_KILL_FOCUS	0x0200	The control has lost focus.
	PCN_CHANGE	0x0300	Content Has Changed
	PCN_UPDATE	0x0400	Content About Changed
	PCN_ERRSPACE	0x0500	Insufficient Memory
	PCN_MAX_TEXT	0x0501	Exceeded User Set Maximum Characters
	PCN_HSCROLL	0x0601	Horizontal Scroll Change
	PCN_VSCROLL	0x0601	Vertical Scroll Change
Navigation Specific:
	ENX_NAVIGATE	0x0B04	Clicked on a Hyper Link

9.20.4 Page Control Styles

On creation, Page Control will abode by a number of edit control window style bits:

Notification code		Value	Description
Edit Control Styles:
	ES_READONLY	0x0800	Prevents the user from typing or editing text in the Page Control. The control will adopt a browse like profile. The *Enter* key will not be captured by the control.

9.20.5 Page View Control Functions

Page revised 2024-10-21

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