Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================
#ifndef ANCHORMGR_H
#define ANCHORMGR_H
#ifdef _WIN32
#pragma once
#endif
#include "tier1/utlvector.h"
enum ESimpleAnchor
{
k_eSimpleAnchorAllSides,
k_eSimpleAnchorBottomRight, // The whole control follows the bottom right.
k_eSimpleAnchorStretchRight, // Only grow in width.
k_eSimpleAnchorRightSide,
k_eSimpleAnchorBottomSide
};
enum EAnchorHorz
{
k_eAnchorLeft, // Anchor this side of the control to the left of its parent window.
k_eAnchorRight // Anchor this side of the control to the right of its parent window.
};
enum EAnchorVert
{
k_eAnchorTop, // Anchor this side of the control to the top of its parent window.
k_eAnchorBottom // Anchor this side of the control to the bottom of its parent window.
};
class CAnchorDef
{
public:
friend class CAnchorMgr;
// You can use the first constructor for simple cases.
CAnchorDef() {}
CAnchorDef( int dlgItemID, ESimpleAnchor eSimpleAnchor );
CAnchorDef( HWND hWnd, ESimpleAnchor eSimpleAnchor );
CAnchorDef( int dlgItemID, EAnchorHorz eLeftSide=k_eAnchorLeft, EAnchorVert eTopSide=k_eAnchorTop, EAnchorHorz eRightSide=k_eAnchorRight, EAnchorVert eBottomSide=k_eAnchorBottom );
CAnchorDef( HWND hWnd, EAnchorHorz eLeftSide=k_eAnchorLeft, EAnchorVert eTopSide=k_eAnchorTop, EAnchorHorz eRightSide=k_eAnchorRight, EAnchorVert eBottomSide=k_eAnchorBottom );
// Only one of hWnd or dlgItemID should be set.
void Init( HWND hWnd, int dlgItemID, ESimpleAnchor eSimpleAnchor );
void Init( HWND hWnd, int dlgItemID, EAnchorHorz eLeftSide, EAnchorVert eTopSide, EAnchorHorz eRightSide, EAnchorVert eBottomSide );
public:
int m_DlgItemID;
HWND m_hInputWnd; // Either this or m_DlgItemID is set.
EAnchorHorz m_AnchorLeft, m_AnchorRight;
EAnchorVert m_AnchorTop, m_AnchorBottom;
private:
int m_OriginalPos[4]; // left, top, right, bottom
HWND m_hWnd;
};
//-----------------------------------------------------------------------------
// Purpose: This class helps a resizable window resize and move its controls
// whenever the window is resized. First, you call Init() to tell it how
// you want all the child windows anchored, then just call OnSize() whenever
// the parent window is sized.
//-----------------------------------------------------------------------------
class CAnchorMgr
{
public:
CAnchorMgr();
void Init( HWND hParentWnd, CAnchorMgr::CAnchorDef *pAnchors, int nAnchors );
// Call this when the parent window's size changes and it'll resize all the subcontrols.
void OnSize();
private:
CUtlVector<CAnchorMgr::CAnchorDef> m_Anchors;
HWND m_hParentWnd;
int m_OriginalParentSize[2]; // wide, tall
};
#endif // ANCHORMGR_H