Unit CastleWindowModes

DescriptionUsesClasses, Interfaces, Objects and RecordsFunctions and ProceduresTypesConstantsVariables

Description

Helpers for making modal boxes (TWindowState, TGLMode, TGLModeFrozenScreen) cooperating with the TCastleWindowBase windows. They allow to easily save/restore TCastleWindowBase attributes along with OpenGL state.

This unit is a tool for creating functions like CastleMessages.MessageOK. To make nice "modal" box, you want to temporarily replace TCastleWindowBase callbacks with your own, call Application.ProcessMessage method in a loop until user gives an answer, and restore everything. This way you can implement functions that wait for some keypress, or wait until user inputs some string, or wait until user picks something with mouse, or wait for 10 seconds displaying some animation, etc.

Uses

Overview

Classes, Interfaces, Objects and Records

Name Description
Class TWindowState  
Class TGLMode Enter / exit modal box on a TCastleWindowBase.
Class TGLModeFrozenScreen Enter / exit modal box on a TCastleWindowBase, additionally saving the screen contents before entering modal box.

Functions and Procedures

procedure NoClose(Window: TCastleWindowBase);

Description

Functions and Procedures

procedure NoClose(Window: TCastleWindowBase);

Empty TCastleWindowBase callback, useful as TCastleWindowBase.OnCloseQuery to disallow closing the window by user.


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