Class twindow

Description
Hierarchy
Fields
Methods
Properties

Unit

msegui

Declaration

type twindow = class(teventobject, icanvas)

Description

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Hierarchy

Overview

Fields

Protected fstate: windowstatesty;
Protected fgdi: pgdifunctionaty;
Protected fwindow: windowty;
Protected fcontainer: winidty;
Protected fownerwidget: twidget;
Protected fcanvas: tcanvas;
Protected fasynccanvas: tcanvas;
Protected fmodalresult: modalresultty;
Protected fupdateregion: gdiregionty;

Methods

Protected procedure setasynccanvas(const acanvas: tcanvas);
Protected procedure releaseasynccanvas;
Protected procedure processsysdnd(const event: twindowevent);
Protected function getwindowsize: windowsizety;
Protected procedure setwindowsize(const value: windowsizety);
Protected function getwindowpos: windowposty;
Protected procedure setwindowpos(const Value: windowposty);
Protected procedure invalidaterect(const arect: rectty; const sender: twidget = nil);
Protected procedure mouseparked;
Protected procedure movewindowrect(const dist: pointty; const rect: rectty); virtual;
Protected procedure checkmousewidget(const info: mouseeventinfoty; var capture: twidget);
Protected procedure dispatchmouseevent(var info: moeventinfoty; capture: twidget); virtual;
Protected procedure dispatchkeyevent(const eventkind: eventkindty; var info: keyeventinfoty); virtual;
Protected procedure sizechanged; virtual;
Protected procedure poschanged; virtual;
Protected procedure internalactivate(const windowevent: boolean; const force: boolean = false);
Protected procedure noactivewidget;
Protected procedure lockactivate;
Protected procedure unlockactivate;
Protected procedure setzorder(const value: integer);
Protected function topmodaltransientfor: twindow;
Protected function beginmodal(const showinfo: pshowinfoty): boolean; overload;
Public constructor create(const aowner: twidget; const agdi: pgdifunctionaty = nil);
Public destructor destroy; override;
Public procedure destroywindow;
Public procedure recreatewindow();
Public procedure registeronscroll(const method: notifyeventty);
Public procedure unregisteronscroll(const method: notifyeventty);
Public function beginmodal: boolean; overload;
Public procedure endmodal;
Public function modal: boolean;
Public function modalwindowbefore: twindow;
Public function transientforstackactive: boolean;
Public procedure activate(const force: boolean = false);
Public function active: boolean;
Public function deactivateintermediate: boolean;
Public procedure reactivate(const force: boolean = false);
Public procedure update;
Public function candefocus: boolean;
Public procedure nofocus;
Public function close: boolean; overload;
Public function close(const amodalresult: modalresultty): boolean; overload;
Public procedure beginmoving;
Public procedure endmoving;
Public procedure bringtofront;
Public procedure bringtofrontlocal;
Public procedure sendtoback;
Public procedure sendtobacklocal;
Public procedure stackunder(const predecessor: twindow);
Public procedure stackover(const predecessor: twindow);
Public function stackedunder(const avisible: boolean = false): twindow;
Public function stackedover(const avisible: boolean = false): twindow;
Public function hastransientfor: boolean;
Public function istransientfor(const base: twindow): boolean;
Public function defaulttransientfor: twindow;
Public function capturemouse: boolean;
Public procedure releasemouse;
Public function mousecaptured: boolean;
Public procedure postkeyevent(const akey: keyty; const ashiftstate: shiftstatesty = []; const release: boolean = false; const achars: msestring = '');
Public function winid: winidty;
Public function haswinid: boolean;
Public function state: windowstatesty;
Public function visible: boolean;
Public function activating: boolean;
Public function normalwindowrect: rectty;
Public function updaterect: rectty;
Public procedure registermovenotification(sender: iobjectlink);
Public procedure unregistermovenotification(sender: iobjectlink);
Public function ispopup: boolean;
Public function firstfocuswidget(): twidget;
Public function lastfocuswidget(): twidget;

Properties

Public property focuscount: longword read ffocuscount;
Public property updateregion: regionty read fupdateregion.region;
Public property options: windowoptionsty read foptions;
Public property owner: twidget read fownerwidget;
Public property focusedwidget: twidget read ffocusedwidget;
Public property transientfor: twindow read ftransientfor;
Public property modalfor: boolean read getmodalfor;
Public property modalresult: modalresultty read fmodalresult write setmodalresult;
Public property buttonendmodal: boolean read getbuttonendmodal write setbuttonendmodal;
Public property globalshortcuts: boolean read getglobalshortcuts write setglobalshortcuts;
Public property localshortcuts: boolean read getlocalshortcuts write setlocalshortcuts;
Public property windowpos: windowposty read getwindowpos write setwindowpos;
Public property caption: msestring read fcaption write setcaption;
Public property container: winidty read fcontainer write setcontainer default 0;
Public property syscontainer: syswindowty read fsyscontainer write setsyscontainer default sywi_none;
Public property screenpos: pointty read getscreenpos write setscreenpos;
Public property decoratedwidgetrect: rectty read getdecoratedwidgetrect write setdecoratedwidgetrect;
Public property decoratedpos: pointty read getdecoratedpos write setdecoratedpos;
Public property decoratedsize: sizety read getdecoratedsize write setdecoratedsize;
Public property decoratedbounds_x: integer read getdecoratedbounds_x write setdecoratedbounds_x;
Public property decoratedbounds_y: integer read getdecoratedbounds_y write setdecoratedbounds_y;
Public property decoratedbounds_cx: integer read getdecoratedbounds_cx write setdecoratedbounds_cx;
Public property decoratedbounds_cy: integer read getdecoratedbounds_cy write setdecoratedbounds_cy;
Public property opacity: realty read fopacity write setopacity;

Description

Fields

Protected fstate: windowstatesty;

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Protected fgdi: pgdifunctionaty;

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Protected fwindow: windowty;

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Protected fcontainer: winidty;

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Protected fownerwidget: twidget;

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Protected fcanvas: tcanvas;

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Protected fasynccanvas: tcanvas;

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Protected fmodalresult: modalresultty;

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Protected fupdateregion: gdiregionty;

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Methods

Protected procedure setasynccanvas(const acanvas: tcanvas);

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Protected procedure releaseasynccanvas;

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Protected procedure processsysdnd(const event: twindowevent);

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Protected function getwindowsize: windowsizety;

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Protected procedure setwindowsize(const value: windowsizety);

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Protected function getwindowpos: windowposty;

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Protected procedure setwindowpos(const Value: windowposty);

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Protected procedure invalidaterect(const arect: rectty; const sender: twidget = nil);

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Protected procedure mouseparked;

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Protected procedure movewindowrect(const dist: pointty; const rect: rectty); virtual;

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Protected procedure checkmousewidget(const info: mouseeventinfoty; var capture: twidget);

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Protected procedure dispatchmouseevent(var info: moeventinfoty; capture: twidget); virtual;

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Protected procedure dispatchkeyevent(const eventkind: eventkindty; var info: keyeventinfoty); virtual;

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Protected procedure sizechanged; virtual;

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Protected procedure poschanged; virtual;

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Protected procedure internalactivate(const windowevent: boolean; const force: boolean = false);

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Protected procedure noactivewidget;

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Protected procedure lockactivate;

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Protected procedure unlockactivate;

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Protected procedure setzorder(const value: integer);

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Protected function topmodaltransientfor: twindow;

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Protected function beginmodal(const showinfo: pshowinfoty): boolean; overload;

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Public constructor create(const aowner: twidget; const agdi: pgdifunctionaty = nil);

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Public destructor destroy; override;

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Public procedure destroywindow;

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Public procedure recreatewindow();

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Public procedure registeronscroll(const method: notifyeventty);

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Public procedure unregisteronscroll(const method: notifyeventty);

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Public function beginmodal: boolean; overload;

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Public procedure endmodal;

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Public function modal: boolean;

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Public function modalwindowbefore: twindow;

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Public function transientforstackactive: boolean;

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Public procedure activate(const force: boolean = false);

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Public function active: boolean;

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Public function deactivateintermediate: boolean;

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Public procedure reactivate(const force: boolean = false);

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Public procedure update;

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Public function candefocus: boolean;

Returns False if the currently focused editwidget holds an invalid, uncommitted value (with oe_closequery set in optionsedit, the default) — call before acting on entered values, e.g. in a button's onexecute, to force pending edits to finish first. An edit widget's typed-but-uncommitted text is available through its text property (value only updates on Enter or on losing focus, unless checkvalue is called to commit it programmatically).

Public procedure nofocus;

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Public function close: boolean; overload;

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Public function close(const amodalresult: modalresultty): boolean; overload;

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Public procedure beginmoving;

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Public procedure endmoving;

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Public procedure bringtofront;

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Public procedure bringtofrontlocal;

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Public procedure sendtoback;

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Public procedure sendtobacklocal;

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Public procedure stackunder(const predecessor: twindow);

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Public procedure stackover(const predecessor: twindow);

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Public function stackedunder(const avisible: boolean = false): twindow;

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Public function stackedover(const avisible: boolean = false): twindow;

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Public function hastransientfor: boolean;

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Public function istransientfor(const base: twindow): boolean;

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Public function defaulttransientfor: twindow;

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Public function capturemouse: boolean;

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Public procedure releasemouse;

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Public function mousecaptured: boolean;

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Public procedure postkeyevent(const akey: keyty; const ashiftstate: shiftstatesty = []; const release: boolean = false; const achars: msestring = '');

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Public function winid: winidty;

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Public function haswinid: boolean;

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Public function state: windowstatesty;

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Public function visible: boolean;

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Public function activating: boolean;

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Public function normalwindowrect: rectty;

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Public function updaterect: rectty;

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Public procedure registermovenotification(sender: iobjectlink);

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Public procedure unregistermovenotification(sender: iobjectlink);

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Public function ispopup: boolean;

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Public function firstfocuswidget(): twidget;

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Public function lastfocuswidget(): twidget;

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Properties

Public property focuscount: longword read ffocuscount;

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Public property updateregion: regionty read fupdateregion.region;

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Public property options: windowoptionsty read foptions;

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Public property owner: twidget read fownerwidget;

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Public property focusedwidget: twidget read ffocusedwidget;

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Public property transientfor: twindow read ftransientfor;

The window set with the transientfor parameter of twidget.show: its Z-order is kept above this window (the exact behavior depends on the window manager).

Public property modalfor: boolean read getmodalfor;

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Public property modalresult: modalresultty read fmodalresult write setmodalresult;

Assign modalresult (e.g. window.modalresult:= mr_ok) to close a modal form from code with a specific result, without going through a button — since every widget's window refers to the same top level window, this can be called from anywhere in the form, not only from the top level widget itself.

Public property buttonendmodal: boolean read getbuttonendmodal write setbuttonendmodal;

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Public property globalshortcuts: boolean read getglobalshortcuts write setglobalshortcuts;

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Public property localshortcuts: boolean read getlocalshortcuts write setlocalshortcuts;

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Public property windowpos: windowposty read getwindowpos write setwindowpos;

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Public property caption: msestring read fcaption write setcaption;

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Public property container: winidty read fcontainer write setcontainer default 0;

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Public property syscontainer: syswindowty read fsyscontainer write setsyscontainer default sywi_none;

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Public property screenpos: pointty read getscreenpos write setscreenpos;

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Public property decoratedwidgetrect: rectty read getdecoratedwidgetrect write setdecoratedwidgetrect;

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Public property decoratedpos: pointty read getdecoratedpos write setdecoratedpos;

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Public property decoratedsize: sizety read getdecoratedsize write setdecoratedsize;

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Public property decoratedbounds_x: integer read getdecoratedbounds_x write setdecoratedbounds_x;

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Public property decoratedbounds_y: integer read getdecoratedbounds_y write setdecoratedbounds_y;

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Public property decoratedbounds_cx: integer read getdecoratedbounds_cx write setdecoratedbounds_cx;

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Public property decoratedbounds_cy: integer read getdecoratedbounds_cy write setdecoratedbounds_cy;

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Public property opacity: realty read fopacity write setopacity;

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