Initial commit

engines/bagel/mfc/edit.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "common/textconsole.h"
+#include "bagel/mfc/afxwin.h"
+
+namespace Bagel {
+namespace MFC {
+
+#define TIMER_ID 1
+
+IMPLEMENT_DYNAMIC(CEdit, CWnd)
+BEGIN_MESSAGE_MAP(CEdit, CWnd)
+ON_WM_PAINT()
+ON_WM_KEYDOWN()
+ON_WM_CHAR()
+ON_WM_SETFOCUS()
+ON_WM_KILLFOCUS()
+ON_WM_TIMER()
+ON_WM_GETDLGCODE()
+END_MESSAGE_MAP()
+
+bool CEdit::Create(uint32 dwStyle, const RECT &rect, CWnd *pParentWnd, unsigned int nID) {
+	return CWnd::Create("EDIT", nullptr, dwStyle,
+		rect, pParentWnd, nID);
+}
+
+void CEdit::LimitText(int nChars) {
+	_maxLength = nChars;
+}
+
+void CEdit::SetSel(int nStartChar, int nEndChar, bool bNoScroll) {
+	warning("TODO: CEdit::SetSel");
+}
+
+void CEdit::OnPaint() {
+	CPaintDC dc(this); // Automatically calls BeginPaint and EndPaint
+
+	// Get client area
+	CRect clientRect;
+	GetClientRect(&clientRect);
+
+	// Fill background with system window color
+	HBRUSH hBrush = MFC::GetSysColorBrush(COLOR_WINDOW);
+	CBrush *winBrush = CBrush::FromHandle(hBrush);
+	dc.FillRect(&clientRect, winBrush);
+
+	// Set text and background properties
+	dc.SetTextColor(MFC::GetSysColor(COLOR_WINDOWTEXT));
+	dc.SetBkMode(TRANSPARENT);
+
+	// Select the current font if one was set
+	HFONT hFont = (HFONT)SendMessage(WM_GETFONT);
+	HFONT hOldFont = nullptr;
+	if (hFont)
+		hOldFont = (HFONT)dc.SelectObject(hFont);
+
+	// Draw the stored text
+	dc.DrawText(_windowText.c_str(), -1, &clientRect, DT_LEFT | DT_SINGLELINE | DT_VCENTER | DT_NOPREFIX);
+
+	// If needed, draw the caret
+	if (_cursorVisible) {
+		CSize size = dc.GetTextExtent(_windowText.c_str(), -1);
+
+		CPen caretPen(PS_SOLID, 1, GetSysColor(COLOR_WINDOWTEXT));
+		CPen *pOldPen = dc.SelectObject(&caretPen);
+
+		// Draw the caret (as a vertical line or filled rectangle)
+#if 0
+		CBrush *pOldBrush = static_cast<CBrush *>(dc.SelectStockObject(NULL_BRUSH));
+		CRect caretRect(size.cx + 2, 2, size.cx + 4, clientRect.bottom - 2);
+		dc.Rectangle(&caretRect);
+#endif
+		dc.MoveTo(size.cx + 3, 2);
+		dc.LineTo(size.cx + 3, clientRect.bottom - 2);
+		
+		// Restore old objects
+		dc.SelectObject(pOldPen);
+//		dc.SelectObject(pOldBrush);
+	}
+
+	// Restore font if changed
+	if (hFont)
+		dc.SelectObject(hOldFont);
+}
+
+void CEdit::OnKeyDown(unsigned int nChar, unsigned int nRepCnt, unsigned int nFlags) {
+	if (nChar == Common::KEYCODE_BACKSPACE ||
+			nChar == Common::KEYCODE_DELETE) {
+		if (!_windowText.empty()) {
+			_windowText.deleteLastChar();
+		}
+	}
+
+	Invalidate();
+}
+
+void CEdit::OnChar(unsigned int nChar, unsigned int nRepCnt, unsigned int nFlags) {
+	if (Common::isPrint(nChar)) {
+		if (_maxLength == 0 || _windowText.size() < _maxLength) {
+			_windowText += (char)nChar;
+			Invalidate();
+		}
+	}
+}
+
+void CEdit::OnSetFocus(CWnd *pOldWnd) {
+	SetTimer(TIMER_ID, 500);
+	CWnd::OnSetFocus(pOldWnd);
+}
+
+void CEdit::OnKillFocus(CWnd *pNewWnd) {
+	KillTimer(TIMER_ID);
+	CWnd::OnKillFocus(pNewWnd);
+
+	if (_cursorVisible) {
+		_cursorVisible = false;
+		OnPaint();
+	}
+}
+
+void CEdit::OnTimer(uintptr nTimerId) {
+	_cursorVisible = !_cursorVisible;
+	Invalidate();
+}
+
+unsigned int CEdit::OnGetDlgCode() {
+	uint style = GetStyle();
+
+	if (style & ES_MULTILINE)
+		return DLGC_WANTMESSAGE | DLGC_HASSETSEL;
+
+	return 0;
+}
+
+} // namespace MFC
+} // namespace Bagel