#include "stdafx.h"
#include "CBaseDlg.h"
#include "GridCtrl.h"

IMPLEMENT_DYNAMIC(CBaseDlg, CDialogEx)

CBaseDlg::CBaseDlg(UINT id, CWnd* pPage) : CDialogEx(id, pPage)
{
	m_nInitialWidth = 0;
	m_nInitialHeight = 0;
}

CBaseDlg::~CBaseDlg()
{
	for (auto& pair : m_mapFonts) {
		if (pair.second) {
			pair.second->DeleteObject();
			delete pair.second;
		}
	}
	m_mapFonts.clear();
}

CFont* CBaseDlg::GetOrCreateFont(int nFontSize)
{
	auto it = m_mapFonts.find(nFontSize);
	if (it != m_mapFonts.end()) {
		return it->second;
	}

	CFont* font = new CFont();
	LOGFONT logFont = { 0 };
	_tcscpy_s(logFont.lfFaceName, _T("Segoe UI"));
	logFont.lfHeight = -nFontSize;
	logFont.lfQuality = CLEARTYPE_QUALITY;
	font->CreateFontIndirect(&logFont);
	m_mapFonts[nFontSize] = font;

	return font;
}

void CBaseDlg::SetDefaultFont()
{
	CFont* defaultFont = GetOrCreateFont(12);

	// ±éÀúËùÓпؼþ£¬Ó¦ÓÃĬÈÏ×ÖÌå
	CWnd* pWnd = GetWindow(GW_CHILD);
	while (pWnd) {
		// Ìø¹ýÌØÊâ¿Ø¼þ£¨Èç MFCGridCtrl£©
		TCHAR szClassName[256];
		GetClassName(pWnd->m_hWnd, szClassName, sizeof(szClassName));
		if (_tcsicmp(szClassName, _T("MFCGridCtrl")) == 0) {
			pWnd = pWnd->GetNextWindow();
			continue;
		}

		pWnd->SetFont(defaultFont, TRUE);
		pWnd = pWnd->GetNextWindow();
	}
}

void CBaseDlg::AdjustControls(float dScaleX, float dScaleY)
{
	CWnd* pWnd = GetWindow(GW_CHILD);
	while (pWnd) {
		int nCtrlID = pWnd->GetDlgCtrlID();
		if (nCtrlID != -1 && m_mapCtrlLayouts.find(nCtrlID) != m_mapCtrlLayouts.end())
		{
			CRect originalRect = m_mapCtrlLayouts[nCtrlID];
			CRect newRect(
				static_cast<int>(originalRect.left * dScaleX),
				static_cast<int>(originalRect.top * dScaleY),
				static_cast<int>(originalRect.right * dScaleX),
				static_cast<int>(originalRect.bottom * dScaleY));

			TCHAR szClassName[256];
			GetClassName(pWnd->m_hWnd, szClassName, sizeof(szClassName));

			if (_tcsicmp(szClassName, _T("ComboBox")) == 0) {
				CComboBox* pComboBox = (CComboBox*)pWnd;
				pComboBox->SetItemHeight(-1, newRect.Height());  // -1 ±íʾËùÓÐÏîµÄ¸ß¶È
			}

			if (_tcsicmp(szClassName, _T("MFCGridCtrl")) == 0) {
				CGridCtrl* pGridCtrl = (CGridCtrl*)pWnd;
				pGridCtrl->SetDefCellHeight(newRect.Height() / 21);
				pGridCtrl->ExpandColumnsToFit(TRUE);
				pGridCtrl->ExpandLastColumn();
				pGridCtrl->Invalidate();
				pGridCtrl->UpdateWindow();
			}

			pWnd->MoveWindow(&newRect);
			AdjustControlFont(pWnd, newRect.Width(), newRect.Height());
		}
		pWnd = pWnd->GetNextWindow();
	}
}

void CBaseDlg::AdjustControlFont(CWnd* pWnd, int nWidth, int nHeight)
{
	TCHAR szClassName[256];
	GetClassName(pWnd->m_hWnd, szClassName, sizeof(szClassName));

	// Ìø¹ýÌØÊâ¿Ø¼þ£¨Èç MFCGridCtrl£©
	if (_tcsicmp(szClassName, _T("MFCGridCtrl")) == 0) {
		return;
	}

	// ¸ù¾Ý¿Ø¼þ¸ß¶È¶¯Ì¬µ÷Õû×ÖÌå´óС
	int fontSize = nHeight / 2;
	if (fontSize < 8) fontSize = 8;
	if (fontSize > 32) fontSize = 32;

	// »ñÈ¡»ò´´½¨×ÖÌå
	CFont* pFont = GetOrCreateFont(fontSize);

	pWnd->SetFont(pFont);
	pWnd->Invalidate(); // ˢпؼþÏÔʾ
}

BEGIN_MESSAGE_MAP(CBaseDlg, CDialogEx)
	ON_WM_SIZE()
	ON_WM_GETMINMAXINFO()
END_MESSAGE_MAP()

BOOL CBaseDlg::OnInitDialog()
{
	CDialogEx::OnInitDialog();

	// TODO:  ÔÚ´ËÌí¼Ó¶îÍâµÄ³õʼ»¯
	CRect screenRect, dlgRect, clientRect;
	SystemParametersInfo(SPI_GETWORKAREA, 0, &screenRect, 0);

	GetClientRect(&clientRect);
	m_nInitialWidth = clientRect.Width();
	m_nInitialHeight = clientRect.Height();

	// ³õʼ»¯Ä¬ÈÏ×ÖÌå
	CFont* pDefaultFont = GetOrCreateFont(12);

	// ±éÀúËùÓÐ×ӿؼþ£¬¼Ç¼³õʼλÖò¢ÉèÖÃĬÈÏ×ÖÌå
	CWnd* pWnd = GetWindow(GW_CHILD);
	while (pWnd) {
		int nCtrlID = pWnd->GetDlgCtrlID();
		if (nCtrlID != -1) {
			// ¼Ç¼¿Ø¼þ³õʼ²¼¾Ö
			CRect ctrlRect;
			pWnd->GetWindowRect(&ctrlRect);
			ScreenToClient(&ctrlRect);
			m_mapCtrlLayouts[nCtrlID] = ctrlRect;

			// Ìø¹ýÌØÊâ¿Ø¼þ£¨Èç MFCGridCtrl£©
			TCHAR szClassName[256];
			GetClassName(pWnd->m_hWnd, szClassName, sizeof(szClassName));
			if (_tcsicmp(szClassName, _T("MFCGridCtrl")) == 0) {
				pWnd = pWnd->GetNextWindow();
				continue;
			}

			// ÉèÖÃĬÈÏ×ÖÌå
			pWnd->SetFont(pDefaultFont);
		}
		pWnd = pWnd->GetNextWindow();
	}

	GetWindowRect(&dlgRect);
	int dlgWidth = dlgRect.Width() * 2;
	int dlgHeight = dlgRect.Height() * 2;

	if (dlgWidth > screenRect.Width()) {
		dlgWidth = screenRect.Width();
	}
	if (dlgHeight > screenRect.Height()) {
		dlgHeight = screenRect.Height();
	}

	int centerX = screenRect.left + (screenRect.Width() - dlgWidth) / 2;
	int centerY = screenRect.top + (screenRect.Height() - dlgHeight) / 2;
	MoveWindow(centerX, centerY, dlgWidth, dlgHeight);

	return TRUE;  // return TRUE unless you set the focus to a control
	// Òì³£: OCX ÊôÐÔÒ³Ó¦·µ»Ø FALSE
}

void CBaseDlg::OnSize(UINT nType, int cx, int cy)
{
	CDialogEx::OnSize(nType, cx, cy);

	// TODO: ÔÚ´Ë´¦Ìí¼ÓÏûÏ¢´¦Àí³ÌÐò´úÂë
	if (nType == SIZE_MINIMIZED || m_mapCtrlLayouts.empty()) {
		return;
	}

	float dScaleX = static_cast<float>(cx) / m_nInitialWidth;
	float dScaleY = static_cast<float>(cy) / m_nInitialHeight;

	// ±éÀú¶Ô»°¿òÖеÄËùÓпؼþ
	AdjustControls(dScaleX, dScaleY);
}

void CBaseDlg::OnGetMinMaxInfo(MINMAXINFO* lpMMI)
{
	// TODO: ÔÚ´ËÌí¼ÓÏûÏ¢´¦Àí³ÌÐò´úÂëºÍ/»òµ÷ÓÃĬÈÏÖµ
	lpMMI->ptMinTrackSize.x = 400; // ×îС¿í¶È
	lpMMI->ptMinTrackSize.y = 300; // ×îС¸ß¶È

	CDialogEx::OnGetMinMaxInfo(lpMMI);
}