[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index]

Reference for unit 'fpg_base' (#fpgui)

TfpgWindowBase

[Properties (by Name)] [Methods (by Name)] [Events (by Name)]

Abstract class use for representing a Window or Widget

Declaration

Source position: fpg_base.pas line 450

`type TfpgWindowBase = class(TfpgComponent)`
`public`
`constructor Create(); override;`
`procedure AfterConstruction; override;`
`procedure AdjustWindowStyle; virtual;`
`procedure SetWindowParameters; virtual;`
`function Right;`
`function Bottom;`
`procedure UpdateWindowPosition;`		Forces fpGUI to act on window position and size properties
`procedure MoveWindow();`
`function WindowToScreen();`
`function HasParent; override;`
`function GetClientRect; virtual;`
`function GetBoundsRect; virtual;`
`procedure ActivateWindow; virtual; abstract;`		This makse the target window the active window
`procedure CaptureMouse; virtual; abstract;`
`procedure ReleaseMouse; virtual; abstract;`
`procedure BringToFront; virtual; abstract;`		Changes the z-order of a window
`procedure SetFullscreen(); virtual;`
`property HasHandle: Boolean; [r]`
`property WindowType: TWindowType; [rw]`
`property WindowAttributes: TWindowAttributes; [rw]`
`property Left: TfpgCoord; [rw]`		Specifies the horizontal coordinate of the left edge of a component relative to its parent
`property Top: TfpgCoord; [rw]`		Specifies the vertical (X) coordinate of the top edge of a component relative to its parent
`property Width: TfpgCoord; [rw]`		Specifies the horizontal size of the control or form in pixels
`property Height: TfpgCoord; [rw]`		Specifies the vertical size of the control or form in pixels
`property MinWidth: TfpgCoord; [rw]`
`property MinHeight: TfpgCoord; [rw]`
`property MaxWidth: TfpgCoord; [rw]`
`property MaxHeight: TfpgCoord; [rw]`
`property Canvas: TfpgCanvasBase; [r]`
`property Parent: TfpgWindowBase; [rw]`
`property MouseCursor: TMouseCursor; [rw]`
`end;`

Inheritance

`TfpgWindowBase`		Abstract class use for representing a Window or Widget
\|
`TfpgComponent`		A descendant of the FPC TComponent class
\|
`TComponent`
?
`TObject`

Description

fpGUI is a Windowed toolkit. By that we mean that every widget has a window handle. Widgets are essentially embedded windows without titlebars or borders, inside a parent window.