Class tdbrealspinedit

Description
Hierarchy
Methods
Properties

Unit

msedbedit

Declaration

type tdbrealspinedit = class(tcustomrealspinedit, idbeditfieldlink, ireccontrol)

Description

This item has no description. Showing description inherited from tmsecomponent.

Extends the FPC tcomponent with object linking facilities and the like; base of every MSEgui component. This unit, mseclasses, must be added to uses after classes in code that also uses a third-party unit expecting the plain FPC tcomponent (e.g. TPSScript.Create(TComponent)), since MSEgui forks the FPC classes unit.

Hierarchy

Overview

Methods

Protected procedure defineproperties(filer: tfiler); override;
Protected function nullcheckneeded(const newfocus: twidget): boolean; override;
Protected procedure griddatasourcechanged; override;
Protected function getgriddatasource: tdatasource;
Protected function createdatalist(const sender: twidgetcol): tdatalist; override;
Protected procedure modified; override;
Protected procedure doshortcut(var info: keyeventinfoty; const sender: twidget); override;
Protected function getrowdatapo(const arow: integer): pointer; override;
Protected procedure valuetofield;
Protected procedure fieldtovalue;
Protected procedure getfieldtypes(var afieldtypes: fieldtypesty);
Protected function getfieldlink: tcustomeditwidgetdatalink;
Protected procedure recchanged;
Public constructor create(aowner: tcomponent); override;
Public destructor destroy; override;

Properties

Published property datalink: teditwidgetdatalink read fdatalink write setdatalink;
Published property valuemin ;
Published property valuemax ;
Published property formatedit;
Published property formatdisp;
Published property valuerange;
Published property valuestart;
Published property onsetvalue;
Published property onsetintvalue;
Published property step;

Description

Methods

Protected procedure defineproperties(filer: tfiler); override;

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Protected function nullcheckneeded(const newfocus: twidget): boolean; override;

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Protected procedure griddatasourcechanged; override;

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Protected function getgriddatasource: tdatasource;

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Protected function createdatalist(const sender: twidgetcol): tdatalist; override;

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Protected procedure modified; override;

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Protected procedure doshortcut(var info: keyeventinfoty; const sender: twidget); override;

This item has no description. Showing description inherited from twidget.doshortcut.

Simplified key event propagation: an unhandled key first goes through dokeydown of the focused widget, then of its parents (dokeydown of the parent is called with es_child set). If still unhandled, doshortcut is tried: siblings and children first, then (unless ow_nochildshortcut is set) the parent widget — a widget with ow_noparentshortcut ignores a call coming from its parent. If no widget handled it, the window's own doshortcut first checks tcustomactions with ao_localshortcut set whose owner is an ancestor of the widget that received the key; if still unhandled and tws_localshortcuts is not set on the window, application.checkshortcut calls doshortcut of all windows, and then of all actions with ao_globalshortcut set. Finally, unhandled navigation keys are processed by dokeydownaftershortcut, again propagated to parents. Recursion is avoided by always calling top-down.

Protected function getrowdatapo(const arow: integer): pointer; override;

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Protected procedure valuetofield;

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Protected procedure fieldtovalue;

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Protected procedure getfieldtypes(var afieldtypes: fieldtypesty);

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Protected function getfieldlink: tcustomeditwidgetdatalink;

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Protected procedure recchanged;

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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 datalink: teditwidgetdatalink read fdatalink write setdatalink;

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Published property valuemin ;

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Published property valuemax ;

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Published property formatedit;

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Published property formatdisp;

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Published property valuerange;

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Published property valuestart;

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Published property onsetvalue;

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Published property onsetintvalue;

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Published property step;

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