Class tedit

Description
Hierarchy
Methods
Properties

Unit

mseedit

Declaration

type tedit = class(tcustomedit, istatfile)

Description

Simple text edit component, which can be created and configured at run time, as in the following example, which creates a second tedit with a custom frame caption and a gradient face, and inserts it into the form. 

uses
  main_mfm;

procedure tmainfo.mainformcreated(const sender: TObject);
begin
  tedit2 := tedit.create(self);
  tedit2.bounds_cx := 100;
  tedit2.bounds_cy := 21;
  tedit2.createframe;
  tedit2.frame.caption := 'Hello';
  tedit2.frame.levelo := -2;
  tedit2.createface;
  tedit2.face.fade_color.count := 2;
  tedit2.face.fade_color[0] := cl_ltgreen;
  tedit2.face.fade_color[1] := cl_dkgreen;
  tedit2.face.fade_direction := gd_down;
  insertwidget(tedit2, makepoint(8, 40));
  tedit2.show;
end;

procedure tmainfo.mainformdestroy(const sender: TObject);
begin
  tedit2.free;
end;

screenshot

Hierarchy

Overview

Methods

Protected function gettext: msestring override;
Protected procedure settext(const avalue: msestring) override;
Protected procedure dotextedited; override;
Protected procedure editnotification(var info: editnotificationinfoty); override;
Protected procedure loaded() override;
Protected procedure dofocus() override;
Protected procedure dodefocus() override;
Protected procedure dostatread(const reader: tstatreader); virtual;
Protected procedure dostatwrite(const writer: tstatwriter); virtual;
Protected procedure statreading;
Protected procedure statread;
Protected function getstatvarname: msestring;
Protected function getstatpriority: integer;
Public constructor create(aowner: tcomponent); override;
Public destructor destroy; override;

Properties

Published property statfile: tstatfile read fstatfile write setstatfile;
Published property statvarname: msestring read getstatvarname write fstatvarname;
Published property statpriority: integer read fstatpriority write fstatpriority default 0;
Published property delay: integer read getdelay write setdelay default 0;
Published property ontextediteddelayed: texteditedeventty read fontextediteddelayed write fontextediteddelayed;
Published property optionsedit1;
Published property optionsedit;
Published property font;
Published property textflags;
Published property textflagsactive;
Published property passwordchar;
Published property empty_options;
Published property empty_color;
Published property empty_font;
Published property empty_fontstyle;
Published property empty_textflags;
Published property empty_text;
Published property empty_textcolor;
Published property empty_textcolorbackground;
Published property maxlength;
Published property caretwidth;
Published property cursorreadonly;
Published property text;
Published property onchange;
Published property ontextedited;
Published property onkeydown;
Published property onkeyup;
Published property oncopytoclipboard;
Published property onpastefromclipboard;

Description

Methods

Protected function gettext: msestring override;

This item has no description.

Protected procedure settext(const avalue: msestring) override;

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Protected procedure dotextedited; override;

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Protected procedure editnotification(var info: editnotificationinfoty); override;

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Protected procedure loaded() override;

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Protected procedure dofocus() override;

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Protected procedure dodefocus() override;

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Protected procedure dostatread(const reader: tstatreader); virtual;

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Protected procedure dostatwrite(const writer: tstatwriter); virtual;

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Protected procedure statreading;

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Protected procedure statread;

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Protected function getstatvarname: msestring;

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Protected function getstatpriority: integer;

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Public constructor create(aowner: tcomponent); override;

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Public destructor destroy; override;

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Properties

Published property statfile: tstatfile read fstatfile write setstatfile;

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Published property statvarname: msestring read getstatvarname write fstatvarname;

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Published property statpriority: integer read fstatpriority write fstatpriority default 0;

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Published property delay: integer read getdelay write setdelay default 0;

Unlike t*edit widgets (e.g. tstringedit), whose value is only committed on Enter or on losing focus, tedit can react to each keystroke: set delay (in milliseconds) to have ontextediteddelayed called with the current text after that delay of inactivity, restarted on every keystroke — useful for example to update a filter live while the user types.

Published property ontextediteddelayed: texteditedeventty read fontextediteddelayed write fontextediteddelayed;

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Published property optionsedit1;

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Published property optionsedit;

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Published property font;

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Published property textflags;

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Published property textflagsactive;

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Published property passwordchar;

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Published property empty_options;

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Published property empty_color;

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Published property empty_font;

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Published property empty_fontstyle;

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Published property empty_textflags;

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Published property empty_text;

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Published property empty_textcolor;

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Published property empty_textcolorbackground;

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Published property maxlength;

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Published property caretwidth;

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Published property cursorreadonly;

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Published property text;

This item has no description. Showing description inherited from tcustomedit.text.

The data-edit widgets (tintegeredit, tstringedit, trealedit...) keep their data in value, of the widget's native type. text is the raw, not yet validated text of the embedded inplace editor, updated on every keystroke; it is converted to value by checkvalue (triggered for example by pressing Enter), which can be intercepted and rejected or modified through the onsetvalue/oncheckvalue events — ondataentered fires afterwards, once the new value has actually been accepted. To set a widget's value from code, assign value, not text: the latter is only meant to reflect (or drive) what the user is currently typing.

Published property onchange;

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Published property ontextedited;

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Published property onkeydown;

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Published property onkeyup;

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Published property oncopytoclipboard;

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Published property onpastefromclipboard;

This item has no description.

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