/*
===========================================================================

IceTech GPL Source Code
Copyright (C) 2026 Justin Marshall 

This file is part of the IceTech GPL Source Code (?IceTech Source Code?).  

IceTech Source Code is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

IceTech Source Code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with IceTech Source Code.  If not, see <http://www.gnu.org/licenses/>.

In addition, the IceTech Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the IceTech Source Code.  If not, please request a copy in writing from id Software at the address below.

If you have questions concerning this license or the applicable additional terms, you may contact in writing Justin Marshall, justinmarshall20@gmail.com

===========================================================================
*/

#include "precompiled.h"
#pragma hdrstop

#include "../radiant/qe3.h"
#include "DialogDeclBrowser.h"
#include "../radiant/InspectorDialog.h"
#include <commctrl.h>

#ifdef ID_DEBUG_MEMORY
#undef new
#undef DEBUG_NEW
#define DEBUG_NEW new
#endif

const int DECLTYPE_SHIFT = 24;
const int DECLINDEX_MASK = ( 1 << DECLTYPE_SHIFT ) - 1;

#define GetIdFromTypeAndIndex( type, index )		( ( (int)type << DECLTYPE_SHIFT ) | index )
#define GetTypeFromId( id )							( (declType_t) ( (int)id >> DECLTYPE_SHIFT ) )
#define GetIndexFromId( id )						( (int)id & DECLINDEX_MASK )

static const COLORREF DECL_BROWSER_BG = RGB( 17, 19, 23 );
static const COLORREF DECL_BROWSER_PANEL_BG = RGB( 23, 26, 31 );
static const COLORREF DECL_BROWSER_FIELD_BG = RGB( 14, 16, 20 );
static const COLORREF DECL_BROWSER_TEXT = RGB( 226, 232, 240 );
static const COLORREF DECL_BROWSER_MUTED_TEXT = RGB( 151, 163, 184 );
static const COLORREF DECL_BROWSER_BORDER = RGB( 58, 64, 72 );
static const COLORREF DECL_BROWSER_ACCENT = RGB( 87, 166, 255 );

static const int DECL_BROWSER_MARGIN = 8;
static const int DECL_BROWSER_ROW_HEIGHT = 24;
static const int DECL_BROWSER_BUTTON_HEIGHT = 24;
static const int DECL_BROWSER_STATUS_HEIGHT = 20;
static const int DECL_BROWSER_LEFT_MIN_WIDTH = 260;
static const int DECL_BROWSER_LEFT_MAX_WIDTH = 420;

static const UINT IDC_DECLBROWSER_CHILD_TREE = 0x5C00;
static const UINT IDC_DECLBROWSER_CHILD_BASE_TREE = 0x5C01;
static const UINT IDC_DECLBROWSER_CHILD_FIND_NAME = 0x5C02;
static const UINT IDC_DECLBROWSER_CHILD_FIND_TEXT = 0x5C03;
static const UINT IDC_DECLBROWSER_CHILD_FIND = 0x5C04;
static const UINT IDC_DECLBROWSER_CHILD_LOAD = 0x5C05;
static const UINT IDC_DECLBROWSER_CHILD_RELOAD = 0x5C06;
static const UINT IDC_DECLBROWSER_CHILD_NEW_TYPE = 0x5C07;
static const UINT IDC_DECLBROWSER_CHILD_NEW_NAME = 0x5C08;
static const UINT IDC_DECLBROWSER_CHILD_NEW_FILE = 0x5C09;
static const UINT IDC_DECLBROWSER_CHILD_CREATE = 0x5C0A;
static const UINT IDC_DECLBROWSER_CHILD_EDITOR = 0x5C0B;

static const char *DECL_BROWSER_DARK_FIELD_OLDPROC = "IceTech.DeclBrowser.DarkFieldOldProc";

#ifndef TVS_NOTOOLTIPS
#define TVS_NOTOOLTIPS 0x0080
#endif

toolTip_t DialogDeclBrowser::toolTips[] = {
	{ IDC_DECLBROWSER_CHILD_TREE, "declaration browser" },
	{ IDC_DECLBROWSER_CHILD_FIND_NAME, "search for declarations with matching name, supports *, ? and [abc...]" },
	{ IDC_DECLBROWSER_CHILD_FIND_TEXT, "search for declarations containing text" },
	{ IDC_DECLBROWSER_CHILD_FIND, "find declarations matching the search strings" },
	{ IDC_DECLBROWSER_CHILD_LOAD, "load the selected declaration into the editor" },
	{ IDC_DECLBROWSER_CHILD_RELOAD, "reload declarations" },
	{ IDC_DECLBROWSER_CHILD_NEW_TYPE, "type for a new declaration" },
	{ IDC_DECLBROWSER_CHILD_NEW_NAME, "name for a new declaration" },
	{ IDC_DECLBROWSER_CHILD_NEW_FILE, "source file for a new declaration" },
	{ IDC_DECLBROWSER_CHILD_CREATE, "create a new declaration through the declaration manager" },
	{ 0, NULL }
};

static void DeclBrowserFillRect( HDC hDC, const RECT &rc, COLORREF color ) {
	HBRUSH brush = ::CreateSolidBrush( color );
	::FillRect( hDC, &rc, brush );
	::DeleteObject( brush );
}

static void DeclBrowserFrameRect( HDC hDC, const RECT &rc, COLORREF color ) {
	HBRUSH brush = ::CreateSolidBrush( color );
	::FrameRect( hDC, &rc, brush );
	::DeleteObject( brush );
}

static void DeclBrowserApplyNativeDarkTheme( HWND hWnd ) {
	if ( !hWnd ) {
		return;
	}

	typedef HRESULT (WINAPI *SetWindowThemeProc)( HWND, LPCWSTR, LPCWSTR );
	typedef BOOL (WINAPI *AllowDarkModeForWindowProc)( HWND, BOOL );
	static HMODULE hUxTheme = ::LoadLibraryA( "uxtheme.dll" );
	static SetWindowThemeProc pSetWindowTheme = hUxTheme ? (SetWindowThemeProc)::GetProcAddress( hUxTheme, "SetWindowTheme" ) : NULL;
	static AllowDarkModeForWindowProc pAllowDarkModeForWindow = hUxTheme ? (AllowDarkModeForWindowProc)::GetProcAddress( hUxTheme, MAKEINTRESOURCEA( 133 ) ) : NULL;

	if ( pAllowDarkModeForWindow ) {
		pAllowDarkModeForWindow( hWnd, TRUE );
	}
	if ( pSetWindowTheme ) {
		pSetWindowTheme( hWnd, L"DarkMode_Explorer", NULL );
	}
	::SendMessage( hWnd, WM_THEMECHANGED, 0, 0 );
}

static bool DeclBrowserIsClass( HWND hWnd, const char *className ) {
	char actual[128];
	actual[0] = '\0';
	::GetClassNameA( hWnd, actual, sizeof( actual ) );
	return ::lstrcmpiA( actual, className ) == 0;
}

static void DeclBrowserRemoveClientEdge( HWND hWnd ) {
	if ( !hWnd ) {
		return;
	}
	LONG exStyle = ::GetWindowLong( hWnd, GWL_EXSTYLE );
	if ( exStyle & WS_EX_CLIENTEDGE ) {
		::SetWindowLong( hWnd, GWL_EXSTYLE, exStyle & ~WS_EX_CLIENTEDGE );
		::SetWindowPos( hWnd, NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_FRAMECHANGED );
	}
}

static void DeclBrowserDrawWindowFrame( HWND hWnd ) {
	HDC hDC = ::GetWindowDC( hWnd );
	if ( !hDC ) {
		return;
	}
	RECT rc;
	::GetWindowRect( hWnd, &rc );
	::OffsetRect( &rc, -rc.left, -rc.top );
	DeclBrowserFrameRect( hDC, rc, DECL_BROWSER_BORDER );
	::ReleaseDC( hWnd, hDC );
}

static LRESULT CALLBACK DeclBrowserDarkFieldProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ) {
	WNDPROC oldProc = (WNDPROC)::GetPropA( hWnd, DECL_BROWSER_DARK_FIELD_OLDPROC );
	if ( !oldProc ) {
		return ::DefWindowProc( hWnd, uMsg, wParam, lParam );
	}

	switch( uMsg ) {
	case WM_NCPAINT:
	case WM_PAINT:
	{
		LRESULT result = ::CallWindowProc( oldProc, hWnd, uMsg, wParam, lParam );
		DeclBrowserDrawWindowFrame( hWnd );
		return result;
	}
	case WM_SETFOCUS:
	case WM_KILLFOCUS:
	case WM_ENABLE:
	{
		LRESULT result = ::CallWindowProc( oldProc, hWnd, uMsg, wParam, lParam );
		::RedrawWindow( hWnd, NULL, NULL, RDW_INVALIDATE | RDW_FRAME | RDW_UPDATENOW );
		return result;
	}
	case WM_NCDESTROY:
	{
		::SetWindowLongPtr( hWnd, GWLP_WNDPROC, (LONG_PTR)oldProc );
		::RemovePropA( hWnd, DECL_BROWSER_DARK_FIELD_OLDPROC );
		return ::CallWindowProc( oldProc, hWnd, uMsg, wParam, lParam );
	}
	}

	return ::CallWindowProc( oldProc, hWnd, uMsg, wParam, lParam );
}

static void DeclBrowserSubclassField( HWND hWnd ) {
	if ( !hWnd || ::GetPropA( hWnd, DECL_BROWSER_DARK_FIELD_OLDPROC ) ) {
		return;
	}
	WNDPROC oldProc = (WNDPROC)::GetWindowLongPtr( hWnd, GWLP_WNDPROC );
	::SetPropA( hWnd, DECL_BROWSER_DARK_FIELD_OLDPROC, (HANDLE)oldProc );
	::SetWindowLongPtr( hWnd, GWLP_WNDPROC, (LONG_PTR)DeclBrowserDarkFieldProc );
}

template< class type >
int idListDeclSortCompare( const type *a, const type *b ) {
	return idStr::IcmpPath( (*a)->GetName(), (*b)->GetName() );
}

IMPLEMENT_DYNAMIC(DialogDeclBrowser, CWnd)

DialogDeclBrowser::DialogDeclBrowser()
	: CWnd()
	, numListedDecls( 0 )
	, controlsCreated( false )
	, reloadingTree( false )
	, m_pchTip( NULL )
	, m_pwchTip( NULL ) {
}

DialogDeclBrowser::~DialogDeclBrowser() {
	delete m_pwchTip;
	delete m_pchTip;
	if ( modernFont.GetSafeHandle() ) {
		modernFont.DeleteObject();
	}
	if ( bgBrush.GetSafeHandle() ) {
		bgBrush.DeleteObject();
	}
	if ( panelBrush.GetSafeHandle() ) {
		panelBrush.DeleteObject();
	}
	if ( editBrush.GetSafeHandle() ) {
		editBrush.DeleteObject();
	}
	if ( staticBrush.GetSafeHandle() ) {
		staticBrush.DeleteObject();
	}
}

BOOL DialogDeclBrowser::Create( CWnd *parent, UINT id ) {
	if ( !parent ) {
		return FALSE;
	}
	if ( id == 0 ) {
		id = (UINT)-1;
	}

	CString className = AfxRegisterWndClass( CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW, ::LoadCursor( NULL, IDC_ARROW ), (HBRUSH)::GetStockObject( NULL_BRUSH ), NULL );
	CRect rect( 0, 0, 100, 100 );
	return CWnd::CreateEx( 0, className, "DeclBrowserChild", WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN, rect, parent, id );
}

BEGIN_MESSAGE_MAP(DialogDeclBrowser, CWnd)
	ON_WM_CREATE()
	ON_NOTIFY_EX_RANGE(TTN_NEEDTEXTW, 0, 0xFFFF, OnToolTipNotify)
	ON_NOTIFY_EX_RANGE(TTN_NEEDTEXTA, 0, 0xFFFF, OnToolTipNotify)
	ON_WM_CTLCOLOR()
	ON_WM_ERASEBKGND()
	ON_WM_PAINT()
	ON_WM_DESTROY()
	ON_WM_SIZE()
	ON_WM_SETFOCUS()
	ON_NOTIFY(TVN_SELCHANGED, IDC_DECLBROWSER_CHILD_TREE, OnTreeSelChanged)
	ON_NOTIFY(NM_DBLCLK, IDC_DECLBROWSER_CHILD_TREE, OnTreeDblclk)
	ON_BN_CLICKED(IDC_DECLBROWSER_CHILD_FIND, OnBnClickedFind)
	ON_BN_CLICKED(IDC_DECLBROWSER_CHILD_LOAD, OnBnClickedLoad)
	ON_BN_CLICKED(IDC_DECLBROWSER_CHILD_CREATE, OnBnClickedCreate)
	ON_BN_CLICKED(IDC_DECLBROWSER_CHILD_RELOAD, OnBnClickedReload)
	ON_CBN_SELCHANGE(IDC_DECLBROWSER_CHILD_NEW_TYPE, OnTypeChanged)
END_MESSAGE_MAP()

int DialogDeclBrowser::OnCreate( LPCREATESTRUCT lpCreateStruct ) {
	if ( CWnd::OnCreate( lpCreateStruct ) == -1 ) {
		return -1;
	}

	CreateChildControls();
	ApplyDarkTheme();
	PopulateTypeCombo();
	InitBaseDeclTree();
	findNameString = "*";
	findTextString = "";
	findNameEdit.SetWindowText( findNameString.c_str() );
	findTextEdit.SetWindowText( findTextString.c_str() );
	OnBnClickedFind();
	SetBrowserStatus( va( "%d decls listed", numListedDecls ) );
	return 0;
}

void DialogDeclBrowser::CreateChildControls( void ) {
	if ( controlsCreated ) {
		return;
	}

	CRect r( 0, 0, 0, 0 );
	DWORD staticStyle = WS_CHILD | WS_VISIBLE | SS_LEFT | SS_NOPREFIX;
	DWORD editStyle = WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL;
	DWORD buttonStyle = WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON;

	declTree.Create( WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_BORDER | TVS_HASLINES | TVS_LINESATROOT | TVS_HASBUTTONS | TVS_SHOWSELALWAYS | TVS_NOTOOLTIPS, r, this, IDC_DECLBROWSER_CHILD_TREE );
	baseDeclTree.Create( WS_CHILD | TVS_HASLINES | TVS_LINESATROOT | TVS_HASBUTTONS | TVS_NOTOOLTIPS, r, this, IDC_DECLBROWSER_CHILD_BASE_TREE );

	findNameStatic.Create( "Name", staticStyle, r, this );
	findTextStatic.Create( "Text", staticStyle, r, this );
	findNameEdit.CreateEx( WS_EX_CLIENTEDGE, "EDIT", "", editStyle, r, this, IDC_DECLBROWSER_CHILD_FIND_NAME );
	findTextEdit.CreateEx( WS_EX_CLIENTEDGE, "EDIT", "", editStyle, r, this, IDC_DECLBROWSER_CHILD_FIND_TEXT );
	findButton.Create( "Find", buttonStyle, r, this, IDC_DECLBROWSER_CHILD_FIND );
	loadButton.Create( "Load", buttonStyle, r, this, IDC_DECLBROWSER_CHILD_LOAD );
	reloadButton.Create( "Reload", buttonStyle, r, this, IDC_DECLBROWSER_CHILD_RELOAD );

	newTypeStatic.Create( "Type", staticStyle, r, this );
	newNameStatic.Create( "New", staticStyle, r, this );
	newFileStatic.Create( "File", staticStyle, r, this );
	newTypeCombo.Create( WS_CHILD | WS_VISIBLE | WS_TABSTOP | CBS_DROPDOWNLIST | WS_VSCROLL, r, this, IDC_DECLBROWSER_CHILD_NEW_TYPE );
	newNameEdit.CreateEx( WS_EX_CLIENTEDGE, "EDIT", "", editStyle, r, this, IDC_DECLBROWSER_CHILD_NEW_NAME );
	newFileEdit.CreateEx( WS_EX_CLIENTEDGE, "EDIT", "", editStyle, r, this, IDC_DECLBROWSER_CHILD_NEW_FILE );
	createButton.Create( "Create", buttonStyle, r, this, IDC_DECLBROWSER_CHILD_CREATE );
	statusText.Create( "No declaration selected", WS_CHILD | WS_VISIBLE | SS_LEFT | SS_NOPREFIX, r, this );

	declEditor.Create( this, IDC_DECLBROWSER_CHILD_EDITOR );

	controlsCreated = true;
}

void DialogDeclBrowser::PopulateTypeCombo( void ) {
	if ( !newTypeCombo.GetSafeHwnd() ) {
		return;
	}
	newTypeCombo.ResetContent();
	for( int i = 0; i < declManager->GetNumDeclTypes(); i++ ) {
		newTypeCombo.AddString( declManager->GetDeclNameFromType( (declType_t)i ) );
	}
	if ( newTypeCombo.GetCount() > 0 ) {
		newTypeCombo.SetCurSel( 0 );
		OnTypeChanged();
	}
}

void DialogDeclBrowser::ApplyModernFontRecursive( CWnd *wnd ) {
	if ( !wnd || !wnd->GetSafeHwnd() || !modernFont.GetSafeHandle() ) {
		return;
	}
	wnd->SetFont( &modernFont, FALSE );
	CWnd *child = wnd->GetWindow( GW_CHILD );
	while( child ) {
		child->SetFont( &modernFont, FALSE );
		child = child->GetNextWindow();
	}
}

void DialogDeclBrowser::ApplyDarkTheme( void ) {
	if ( !GetSafeHwnd() ) {
		return;
	}

	if ( !modernFont.GetSafeHandle() ) {
		LOGFONT lf;
		memset( &lf, 0, sizeof( lf ) );
		HDC hDC = ::GetDC( GetSafeHwnd() );
		const int dpiY = GetDeviceCaps( hDC, LOGPIXELSY );
		::ReleaseDC( GetSafeHwnd(), hDC );
		lf.lfHeight = -MulDiv( 9, dpiY, 72 );
		lf.lfWeight = FW_NORMAL;
		lf.lfQuality = CLEARTYPE_QUALITY;
		strncpy( lf.lfFaceName, "Segoe UI", sizeof( lf.lfFaceName ) - 1 );
		modernFont.CreateFontIndirect( &lf );
	}

	if ( !bgBrush.GetSafeHandle() ) {
		bgBrush.CreateSolidBrush( DECL_BROWSER_BG );
	}
	if ( !panelBrush.GetSafeHandle() ) {
		panelBrush.CreateSolidBrush( DECL_BROWSER_PANEL_BG );
	}
	if ( !editBrush.GetSafeHandle() ) {
		editBrush.CreateSolidBrush( DECL_BROWSER_FIELD_BG );
	}
	if ( !staticBrush.GetSafeHandle() ) {
		staticBrush.CreateSolidBrush( DECL_BROWSER_BG );
	}

	SetFont( &modernFont, FALSE );
	ApplyModernFontRecursive( this );
	DeclBrowserApplyNativeDarkTheme( GetSafeHwnd() );
	ModifyStyleEx( WS_EX_CLIENTEDGE, 0, SWP_FRAMECHANGED );

	for( HWND child = ::GetWindow( GetSafeHwnd(), GW_CHILD ); child != NULL; child = ::GetWindow( child, GW_HWNDNEXT ) ) {
		DeclBrowserApplyNativeDarkTheme( child );
		if ( DeclBrowserIsClass( child, "Edit" ) ) {
			DeclBrowserRemoveClientEdge( child );
		} else if ( DeclBrowserIsClass( child, "SysTreeView32" ) || DeclBrowserIsClass( child, "ComboBox" ) ) {
			// Keep tree/combo controls native-subclass free; the tree owns its tooltip path.
			DeclBrowserRemoveClientEdge( child );
		}
	}

	if ( declTree.GetSafeHwnd() ) {
		::SendMessage( declTree.GetSafeHwnd(), TVM_SETBKCOLOR, 0, (LPARAM)DECL_BROWSER_FIELD_BG );
		::SendMessage( declTree.GetSafeHwnd(), TVM_SETTEXTCOLOR, 0, (LPARAM)DECL_BROWSER_TEXT );
	}
	Invalidate( TRUE );
}

BOOL DialogDeclBrowser::OnToolTipNotify( UINT id, NMHDR *pNMHDR, LRESULT *pResult ) {
	if ( pResult ) {
		*pResult = 0;
	}

	// CPathTreeCtrl already owns its per-item tooltip forwarding.  Calling
	// TreeView APIs from inside the forwarded TTN_NEEDTEXT path can re-enter
	// comctl32 and hang the docked inspector, so the docked browser only uses
	// static control tooltips here.
	if ( pNMHDR && pNMHDR->hwndFrom == declTree.GetSafeHwnd() ) {
		return FALSE;
	}

	return DefaultOnToolTipNotify( toolTips, id, pNMHDR, pResult );
}

HBRUSH DialogDeclBrowser::OnCtlColor( CDC* pDC, CWnd* pWnd, UINT nCtlColor ) {
	HBRUSH hbr = CWnd::OnCtlColor( pDC, pWnd, nCtlColor );
	if ( !pDC ) {
		return hbr;
	}

	pDC->SetTextColor( DECL_BROWSER_TEXT );
	switch( nCtlColor ) {
	case CTLCOLOR_DLG:
		pDC->SetBkColor( DECL_BROWSER_BG );
		return (HBRUSH)bgBrush.GetSafeHandle();
	case CTLCOLOR_STATIC:
		pDC->SetBkColor( DECL_BROWSER_BG );
		pDC->SetTextColor( DECL_BROWSER_MUTED_TEXT );
		return (HBRUSH)staticBrush.GetSafeHandle();
	case CTLCOLOR_EDIT:
	case CTLCOLOR_LISTBOX:
		pDC->SetBkColor( DECL_BROWSER_FIELD_BG );
		pDC->SetTextColor( DECL_BROWSER_TEXT );
		return (HBRUSH)editBrush.GetSafeHandle();
	case CTLCOLOR_BTN:
		pDC->SetBkColor( DECL_BROWSER_BG );
		pDC->SetTextColor( DECL_BROWSER_TEXT );
		return (HBRUSH)bgBrush.GetSafeHandle();
	default:
		break;
	}
	return hbr;
}

BOOL DialogDeclBrowser::OnEraseBkgnd( CDC* pDC ) {
	CRect rc;
	GetClientRect( &rc );
	pDC->FillSolidRect( &rc, DECL_BROWSER_BG );
	return TRUE;
}

void DialogDeclBrowser::OnPaint() {
	CPaintDC dc( this );
	CRect rc;
	GetClientRect( &rc );
	dc.FillSolidRect( &rc, DECL_BROWSER_BG );
}

void DialogDeclBrowser::OnSetFocus( CWnd *pOldWnd ) {
	CWnd::OnSetFocus( pOldWnd );
	if ( declTree.GetSafeHwnd() ) {
		declTree.SetFocus();
	}
}

void DialogDeclBrowser::OnDestroy() {
	CWnd::OnDestroy();
}

void DialogDeclBrowser::OnSize( UINT nType, int cx, int cy ) {
	CWnd::OnSize( nType, cx, cy );
	LayoutBrowser( cx, cy );
}

void DialogDeclBrowser::LayoutBrowser( int cx, int cy ) {
	if ( !controlsCreated || cx <= 0 || cy <= 0 ) {
		return;
	}

	const int margin = DECL_BROWSER_MARGIN;
	const int row = DECL_BROWSER_ROW_HEIGHT;
	const int buttonHeight = DECL_BROWSER_BUTTON_HEIGHT;
	const int statusHeight = DECL_BROWSER_STATUS_HEIGHT;
	int leftWidth = cx / 3;
	if ( leftWidth < DECL_BROWSER_LEFT_MIN_WIDTH ) {
		leftWidth = DECL_BROWSER_LEFT_MIN_WIDTH;
	}
	if ( leftWidth > DECL_BROWSER_LEFT_MAX_WIDTH ) {
		leftWidth = DECL_BROWSER_LEFT_MAX_WIDTH;
	}
	if ( leftWidth > cx - 240 ) {
		leftWidth = cx - 240;
	}
	if ( leftWidth < 180 ) {
		leftWidth = 180;
	}

	const int left = margin;
	const int top = margin;
	const int divider = left + leftWidth + margin;
	const int editorLeft = divider + margin;
	const int statusTop = cy - statusHeight;
	const int createHeight = row * 4 + margin * 2;
	const int searchHeight = row * 3 + margin;
	const int treeTop = top + searchHeight;
	const int createTop = statusTop - createHeight - margin;
	const int treeBottom = createTop - margin;

	LockWindowUpdate();

	if ( findNameStatic.GetSafeHwnd() ) {
		findNameStatic.MoveWindow( left, top + 3, 42, row );
	}
	if ( findNameEdit.GetSafeHwnd() ) {
		findNameEdit.MoveWindow( left + 46, top, leftWidth - 46, row );
	}
	if ( findTextStatic.GetSafeHwnd() ) {
		findTextStatic.MoveWindow( left, top + row + 3, 42, row );
	}
	if ( findTextEdit.GetSafeHwnd() ) {
		findTextEdit.MoveWindow( left + 46, top + row, leftWidth - 46, row );
	}
	if ( findButton.GetSafeHwnd() ) {
		findButton.MoveWindow( left, top + row * 2 + margin / 2, 64, buttonHeight );
	}
	if ( loadButton.GetSafeHwnd() ) {
		loadButton.MoveWindow( left + 68, top + row * 2 + margin / 2, 64, buttonHeight );
	}
	if ( reloadButton.GetSafeHwnd() ) {
		reloadButton.MoveWindow( left + 136, top + row * 2 + margin / 2, 72, buttonHeight );
	}
	if ( declTree.GetSafeHwnd() ) {
		declTree.MoveWindow( left, treeTop, leftWidth, treeBottom - treeTop );
	}
	if ( baseDeclTree.GetSafeHwnd() ) {
		baseDeclTree.MoveWindow( 0, 0, 0, 0 );
	}

	if ( newTypeStatic.GetSafeHwnd() ) {
		newTypeStatic.MoveWindow( left, createTop + 3, 40, row );
	}
	if ( newTypeCombo.GetSafeHwnd() ) {
		newTypeCombo.MoveWindow( left + 46, createTop, leftWidth - 46, 300 );
	}
	if ( newNameStatic.GetSafeHwnd() ) {
		newNameStatic.MoveWindow( left, createTop + row + 3, 40, row );
	}
	if ( newNameEdit.GetSafeHwnd() ) {
		newNameEdit.MoveWindow( left + 46, createTop + row, leftWidth - 46, row );
	}
	if ( newFileStatic.GetSafeHwnd() ) {
		newFileStatic.MoveWindow( left, createTop + row * 2 + 3, 40, row );
	}
	if ( newFileEdit.GetSafeHwnd() ) {
		newFileEdit.MoveWindow( left + 46, createTop + row * 2, leftWidth - 46, row );
	}
	if ( createButton.GetSafeHwnd() ) {
		createButton.MoveWindow( left, createTop + row * 3 + margin / 2, 82, buttonHeight );
	}

	if ( declEditor.GetSafeHwnd() ) {
		declEditor.MoveWindow( editorLeft, top, cx - editorLeft - margin, statusTop - top - margin );
	}
	if ( statusText.GetSafeHwnd() ) {
		statusText.MoveWindow( margin, statusTop + 2, cx - margin * 2, statusHeight - 2 );
	}

	UnlockWindowUpdate();
}

void DialogDeclBrowser::AddDeclTypeToTree( declType_t type, const char *root, CPathTreeCtrl &tree ) {
	int i;
	idList<const idDecl*> decls;
	idPathTreeStack stack;
	idStr rootStr, declName;

	decls.SetNum( declManager->GetNumDecls( type ) );
	for ( i = 0; i < decls.Num(); i++ ) {
		decls[i] = declManager->DeclByIndex( type, i, false );
	}
	decls.Sort( idListDeclSortCompare );

	rootStr = root;
	rootStr += "/";

	stack.PushRoot( NULL );

	for ( i = 0; i < decls.Num(); i++ ) {
		if ( !decls[i] ) {
			continue;
		}
		declName = rootStr + decls[i]->GetName();
		declName.BackSlashesToSlashes();
		declName.Strip( ' ' );
		tree.AddPathToTree( declName, GetIdFromTypeAndIndex( type, decls[i]->Index() ), stack );
	}
}

void DialogDeclBrowser::InitBaseDeclTree( void ) {
	if ( !baseDeclTree.GetSafeHwnd() ) {
		return;
	}
	numListedDecls = 0;
	baseDeclTree.DeleteAllItems();

	for ( int i = 0; i < declManager->GetNumDeclTypes(); i++ ) {
		AddDeclTypeToTree( (declType_t)i, declManager->GetDeclNameFromType( (declType_t)i ), baseDeclTree );
	}
}

void DialogDeclBrowser::GetDeclName( HTREEITEM item, idStr &typeName, idStr &declName ) const {
	HTREEITEM parent;
	idStr itemName;

	declName.Clear();
	if ( !item ) {
		typeName.Clear();
		return;
	}
	for( parent = declTree.GetParentItem( item ); parent; parent = declTree.GetParentItem( parent ) ) {
		itemName = declTree.GetItemText( item );
		declName = itemName + "/" + declName;
		item = parent;
	}
	declName.Strip( '/' );
	typeName = declTree.GetItemText( item );
}

const idDecl *DialogDeclBrowser::GetDeclFromTreeItem( HTREEITEM item ) const {
	if ( !item || !declTree.GetSafeHwnd() ) {
		return NULL;
	}

	TVITEM tvItem;
	memset( &tvItem, 0, sizeof( tvItem ) );
	tvItem.mask = TVIF_PARAM | TVIF_CHILDREN;
	tvItem.hItem = item;

	if ( !::SendMessage( declTree.GetSafeHwnd(), TVM_GETITEM, 0, (LPARAM)&tvItem ) ) {
		return NULL;
	}

	if ( tvItem.cChildren != 0 ) {
		return NULL;
	}

	const int id = (int)tvItem.lParam;
	declType_t type = GetTypeFromId( id );
	const int index = GetIndexFromId( id );

	if ( type < 0 || type >= declManager->GetNumDeclTypes() || index < 0 || index >= declManager->GetNumDecls( type ) ) {
		return NULL;
	}

	const idDecl *decl = declManager->DeclByIndex( type, index, false );
	if ( !decl || decl->GetType() != type || decl->Index() != index ) {
		return NULL;
	}

	return decl;
}

const idDecl *DialogDeclBrowser::GetSelectedDecl( void ) const {
	return GetDeclFromTreeItem( declTree.GetSelectedItem() );
}

bool DialogDeclBrowser::CompareDecl( HTREEITEM item, const char *name ) const {
	if ( findNameString.Length() ) {
		if ( !idStr::Filter( findNameString, name, false ) ) {
			return false;
		}
	}

	if ( findTextString.Length() ) {
		TVITEM tvItem;
		memset( &tvItem, 0, sizeof( tvItem ) );
		tvItem.mask = TVIF_PARAM | TVIF_CHILDREN;
		tvItem.hItem = item;

		if ( !baseDeclTree.GetSafeHwnd() || !::SendMessage( baseDeclTree.GetSafeHwnd(), TVM_GETITEM, 0, (LPARAM)&tvItem ) ) {
			return false;
		}
		if ( tvItem.cChildren != 0 ) {
			return false;
		}

		const int id = (int)tvItem.lParam;
		declType_t type = GetTypeFromId( id );
		const int index = GetIndexFromId( id );

		if ( type < 0 || type >= declManager->GetNumDeclTypes() || index < 0 || index >= declManager->GetNumDecls( type ) ) {
			return false;
		}

		const idDecl *decl = declManager->DeclByIndex( type, index, false );
		if ( !decl ) {
			return false;
		}
		char *declText = (char *)_alloca( ( decl->GetTextLength() + 1 ) * sizeof( char ) );
		decl->GetText( declText );
		if ( idStr::FindText( declText, findTextString, false ) == -1 ) {
			return false;
		}
	}

	return true;
}

bool DeclBrowserCompareDecl( void *data, HTREEITEM item, const char *name ) {
	return reinterpret_cast<DialogDeclBrowser *>( data )->CompareDecl( item, name );
}

void DialogDeclBrowser::OnBnClickedFind() {
	CString windowText;

	findNameEdit.GetWindowText( windowText );
	findNameString = windowText;
	findNameString.Strip( ' ' );
	if ( !findNameString.Length() ) {
		findNameString = "*";
	}

	findTextEdit.GetWindowText( windowText );
	findTextString = windowText;
	findTextString.Strip( ' ' );

	reloadingTree = true;
	numListedDecls = baseDeclTree.SearchTree( DeclBrowserCompareDecl, this, declTree );
	reloadingTree = false;
	SetBrowserStatus( va( "%d decls listed", numListedDecls ) );
}

void DialogDeclBrowser::OnBnClickedLoad() {
	LoadSelectedDecl();
}

void DialogDeclBrowser::LoadSelectedDecl( void ) {
	const idDecl *selected = GetSelectedDecl();
	if ( !selected ) {
		declEditor.ClearDecl();
		SetBrowserStatus( va( "%d decls listed", numListedDecls ) );
		return;
	}

	idDecl *editable = const_cast<idDecl *>( selected );
	declEditor.LoadDecl( editable );
	SetCreateDefaultsFromSelection( selected );
	SetBrowserStatus( va( "%d decls listed    -    %s/%s, %s line %d", numListedDecls, declManager->GetDeclNameFromType( selected->GetType() ), selected->GetName(), selected->GetFileName(), selected->GetLineNum() ) );
}

void DialogDeclBrowser::OnTreeSelChanged( NMHDR* pNMHDR, LRESULT* pResult ) {
	if ( !reloadingTree ) {
		const idDecl *decl = GetSelectedDecl();
		if ( decl ) {
			findNameEdit.SetWindowText( va( "%s/%s", declManager->GetDeclNameFromType( decl->GetType() ), decl->GetName() ) );
			LoadSelectedDecl();
		} else {
			HTREEITEM item = declTree.GetSelectedItem();
			idStr typeName, declName;
			GetDeclName( item, typeName, declName );
			if ( typeName.Length() ) {
				findNameEdit.SetWindowText( va( "%s/%s*", typeName.c_str(), declName.c_str() ) );
			}
			SetBrowserStatus( va( "%d decls listed", numListedDecls ) );
		}
	}
	*pResult = 0;
}

void DialogDeclBrowser::OnTreeDblclk( NMHDR *pNMHDR, LRESULT *pResult ) {
	LoadSelectedDecl();
	FocusDeclEditor();
	*pResult = 1;
}

void DialogDeclBrowser::OnBnClickedReload() {
	declManager->Reload( false );
	ReloadDeclarations();
}

void DialogDeclBrowser::ReloadDeclarations( void ) {
	idStr selectedType;
	idStr selectedName;
	const idDecl *selected = GetSelectedDecl();
	if ( selected ) {
		selectedType = declManager->GetDeclNameFromType( selected->GetType() );
		selectedName = selected->GetName();
	}

	InitBaseDeclTree();
	OnBnClickedFind();

	if ( selectedType.Length() && selectedName.Length() ) {
		declType_t type = declManager->GetDeclTypeFromName( selectedType );
		SelectDeclInTree( type, selectedName );
	}
}

void DialogDeclBrowser::SelectDeclInTree( declType_t type, const char *name ) {
	if ( !name || !name[0] || type < 0 || type >= declManager->GetNumDeclTypes() ) {
		return;
	}
	idStr path = declManager->GetDeclNameFromType( type );
	path += "/";
	path += name;
	HTREEITEM item = declTree.FindItem( path );
	if ( item ) {
		declTree.SelectItem( item );
		declTree.EnsureVisible( item );
		LoadSelectedDecl();
	}
}

void DialogDeclBrowser::FocusDeclEditor( void ) {
	if ( declEditor.GetSafeHwnd() ) {
		declEditor.SetFocus();
	}
}

declType_t DialogDeclBrowser::GetSelectedNewType( void ) {
	CString typeName;
	int sel = newTypeCombo.GetCurSel();
	if ( sel != CB_ERR ) {
		newTypeCombo.GetLBText( sel, typeName );
	} else {
		newTypeCombo.GetWindowText( typeName );
	}
	return declManager->GetDeclTypeFromName( typeName );
}

void DialogDeclBrowser::GetDefaultFileForType( declType_t type, idStr &fileName ) const {
	switch( type ) {
	case DECL_TABLE:
	case DECL_MATERIAL:
		fileName = "materials/generated.mtr";
		break;
	case DECL_SKIN:
		fileName = "skins/generated.skin";
		break;
	case DECL_SOUND:
		fileName = "sound/generated.sndshd";
		break;
	case DECL_ENTITYDEF:
		fileName = "def/generated.def";
		break;
	case DECL_MODELDEF:
		fileName = "def/generated.def";
		break;
	case DECL_FX:
		fileName = "fx/generated.fx";
		break;
	case DECL_PARTICLE:
		fileName = "particles/generated.prt";
		break;
	case DECL_AF:
		fileName = "af/generated.af";
		break;
	default:
		fileName = "def/generated.decl";
		break;
	}
}

void DialogDeclBrowser::SetCreateDefaultsFromSelection( const idDecl *decl ) {
	if ( !decl ) {
		return;
	}
	if ( newTypeCombo.GetSafeHwnd() ) {
		CString typeName = declManager->GetDeclNameFromType( decl->GetType() );
		int index = newTypeCombo.FindStringExact( -1, typeName );
		if ( index != CB_ERR ) {
			newTypeCombo.SetCurSel( index );
		}
	}
	if ( newFileEdit.GetSafeHwnd() ) {
		newFileEdit.SetWindowText( decl->GetFileName() );
	}
}

void DialogDeclBrowser::OnTypeChanged() {
	declType_t type = GetSelectedNewType();
	idStr fileName;
	GetDefaultFileForType( type, fileName );
	if ( newFileEdit.GetSafeHwnd() ) {
		newFileEdit.SetWindowText( fileName.c_str() );
	}
}

void DialogDeclBrowser::OnBnClickedCreate() {
	CString nameText;
	CString fileText;
	newNameEdit.GetWindowText( nameText );
	newFileEdit.GetWindowText( fileText );
	nameText.TrimLeft();
	nameText.TrimRight();
	fileText.TrimLeft();
	fileText.TrimRight();

	if ( nameText.IsEmpty() ) {
		MessageBox( "Enter a declaration name.", "Create declaration", MB_OK | MB_ICONINFORMATION );
		return;
	}

	declType_t type = GetSelectedNewType();
	if ( type < 0 || type >= declManager->GetNumDeclTypes() ) {
		MessageBox( "Select a valid declaration type.", "Create declaration", MB_OK | MB_ICONERROR );
		return;
	}

	idStr fileName;
	if ( fileText.IsEmpty() ) {
		GetDefaultFileForType( type, fileName );
	} else {
		fileName = fileText;
	}

	idStr path = declManager->GetDeclNameFromType( type );
	path += "/";
	path += (LPCTSTR)nameText;
	if ( baseDeclTree.FindItem( path ) ) {
		MessageBox( "Declaration already exists.", "Create declaration", MB_OK | MB_ICONERROR );
		return;
	}

	idDecl *newDecl = declManager->CreateNewDecl( type, nameText, fileName, true );
	if ( !newDecl ) {
		MessageBox( "The declaration manager could not create the declaration.", "Create declaration", MB_OK | MB_ICONERROR );
		return;
	}

	findNameEdit.SetWindowText( va( "%s/%s", declManager->GetDeclNameFromType( type ), newDecl->GetName() ) );
	findTextEdit.SetWindowText( "" );
	InitBaseDeclTree();
	OnBnClickedFind();
	SelectDeclInTree( type, newDecl->GetName() );
	FocusDeclEditor();
}

void DialogDeclBrowser::SetBrowserStatus( const char *text ) {
	if ( statusText.GetSafeHwnd() ) {
		statusText.SetWindowText( text ? text : "" );
	}
}

void DeclBrowserInit( const idDict *spawnArgs ) {
	if ( renderSystem->IsFullScreen() ) {
		common->Printf( "Cannot run the declaration editor in fullscreen mode.\n"
					"Set r_fullscreen to 0 and vid_restart.\n" );
		return;
	}

	InitAfx();
	idKeyInput::ClearStates();

	if ( g_Inspectors && g_Inspectors->GetSafeHwnd() ) {
		g_Inspectors->ShowWindow( SW_SHOW );
		g_Inspectors->SetMode( W_DECLS );
		g_Inspectors->GetDeclBrowser().SetFocus();
		return;
	}

	common->Printf( "Declaration editor is hosted in the Inspector Decls tab. Open the Inspector window first.\n" );
}

void DeclBrowserRun( void ) {
	// No private message pump is needed.  The declaration browser/editor now
	// lives inside the Inspector dialog and uses Radiant's normal UI pump.
}

void DeclBrowserShutdown( void ) {
	// Owned by CInspectorDialog.
}

void DeclBrowserReloadDeclarations( void ) {
	if ( g_Inspectors && g_Inspectors->GetSafeHwnd() ) {
		g_Inspectors->GetDeclBrowser().ReloadDeclarations();
	}
}