Method TextareaProc

GUI/RichTextarea.cpp:2387–2541

Textarea message handler

// Textarea message handler
LRESULT CALLBACK RichTextarea::TextareaProc(HWND hWnd, unsigned int message, WPARAM wParam, LPARAM lParam)
{
	static int lastX, lastY;

	TextareaData *data = GetData(hWnd);

	__try
	{
		switch(message)
		{
		case WM_CREATE:
			OnCreate(hWnd);
			break;
		case WM_DESTROY:
			OnDestroy(hWnd);
			break;
		case WM_ERASEBKGND:
			break;
		case WM_PAINT:
			data->OnPaint();
			break;
		case WM_KILLFOCUS:
			ibarState = 0;
			RichTextarea::AreaCursorUpdate(hWnd, 0, NULL, 0);
			break;
		case WM_SIZE:
			data->OnSize(LOWORD(lParam), HIWORD(lParam));
			break;
		case WM_MOUSEACTIVATE:
			SetFocus(hWnd);
			EnableWindow(hWnd, true);
			break;
		case WM_CHAR:
			data->OnCharacter((char)(wParam & 0xFF));
			break;
		case WM_KEYDOWN:
			if(wParam == VK_CONTROL || wParam == VK_SHIFT)
				break;
			data->OnKeyEvent((int)wParam);
			break;
		case WM_LBUTTONDBLCLK:
			data->OnLeftMouseDoubleclick(LOWORD(lParam), HIWORD(lParam));
			break;
		case WM_LBUTTONDOWN:
			lastX = LOWORD(lParam);
			lastY = HIWORD(lParam);

			data->OnLeftMouseDown(LOWORD(lParam), HIWORD(lParam));
			break;
		case WM_MOUSEMOVE:
			// If mouse is in the tooltip area
			if(LOWORD(lParam) < RichTextarea::toolSize)
			{
				unsigned int blankX, blankY;
				AreaLine *cLine = data->ClientToCursor(LOWORD(lParam), HIWORD(lParam), blankX, blankY, true);
				data->toolInfo.lpszText = lStyle[cLine->lineStyle].tooltip;
				SendMessage(data->toolTip, TTM_SETTOOLINFO, 0, (LPARAM)&data->toolInfo);
			}