TOPIC:

public boolean OnPDFSingleTapped(float x, float y)
	{
		if( m_status == STA_NORMAL || m_status == STA_ANNOT )
		{
			m_annot_pos = m_view.vGetPos((int)x, (int)y);
			m_annot_page = m_view.vGetPage(m_annot_pos.pageno);
			final Page page = m_annot_page.GetPage();
			if( page == null ) m_annot = null;
			else m_annot = page.GetAnnotFromPoint(m_annot_pos.x, m_annot_pos.y);
			if( m_annot == null )
			{
				m_annot_page = null;
				m_annot_pos = null;
				m_annot_rect = null;
				m_view.vSetLock(0);
				if( m_listener != null && m_status == STA_ANNOT )
					m_listener.OnAnnotClicked(m_annot_page, null);
				m_status = STA_NORMAL;
			}
			else
			{
				m_annot_rect = m_annot.GetRect();
				int px = m_annot_page.GetVX(m_view.vGetX());
				int py = m_annot_page.GetVY(m_view.vGetY());
				float tmp = m_annot_rect[1];
				m_annot_rect[0] = m_annot_page.ToDIBX(m_annot_rect[0]) + px;
				m_annot_rect[1] = m_annot_page.ToDIBY(m_annot_rect[3]) + py;
				m_annot_rect[2] = m_annot_page.ToDIBX(m_annot_rect[2]) + px;
				m_annot_rect[3] = m_annot_page.ToDIBY(tmp) + py;
				m_view.vSetLock(3);
				m_status = STA_ANNOT;
				if( m_doc.CanSave() && m_annot.GetEditType() > 3 )	//don't open edit text requetser
				{
					int[] location = new int[2];  
					getLocationOnScreen(location);
                    m_pEdit = new PopupWindow(LayoutInflater.from(getContext()).inflate(R.layout.pop_edit, null) );
                    m_pEdit.setFocusable(true);
                    m_pEdit.setTouchable(true);
                    BitmapDrawable bitmap = new BitmapDrawable();//add back
                    m_pEdit.setBackgroundDrawable(bitmap);
					m_pEdit.setWidth((int)(m_annot_rect[2] - m_annot_rect[0]));
					m_pEdit.setHeight((int)(m_annot_rect[3] - m_annot_rect[1]));
					final EditText edit = (EditText)m_pEdit.getContentView().findViewById(R.id.annot_text);
					edit.setBackgroundColor(0xFFFFFFC0);
                    m_pEdit.setOnDismissListener(new PopupWindow.OnDismissListener() {
                        @Override
                        public void onDismiss() {
                            if (m_edit_type == 1)//edit box
                            {
                                m_annot.SetEditText(edit.getText().toString());
                                m_view.vRenderSync(m_annot_page);
                                if (m_listener != null)
                                    m_listener.OnPageModified(m_annot_page.GetPageNo());
                                PDFEndAnnot();
                            }
                            m_edit_type = 0;
                        }
                    });
					float fsize = m_annot.GetEditTextSize() * m_annot_page.GetScale();
					edit.setTextSize(TypedValue.COMPLEX_UNIT_PX, fsize);
					edit.setPadding(2, 2, 2, 2);
					switch( m_annot.GetEditType() )
					{
					case 1:
						edit.setSingleLine();
						edit.setInputType(InputType.TYPE_CLASS_TEXT + InputType.TYPE_TEXT_VARIATION_NORMAL);
						break;
					case 2:
						edit.setSingleLine();
						edit.setInputType(InputType.TYPE_CLASS_TEXT + InputType.TYPE_TEXT_VARIATION_PASSWORD);
						break;
					case 3:
						edit.setSingleLine(false);
						edit.setInputType(InputType.TYPE_CLASS_TEXT + InputType.TYPE_TEXT_VARIATION_NORMAL);
						break;
					}
					int maxlen = m_annot.GetEditMaxlen();
					if( maxlen > 0 )
						edit.setFilters(new InputFilter[]{new InputFilter.LengthFilter(maxlen)});
					else
						edit.setFilters(new InputFilter[]{new InputFilter.LengthFilter(1020)});
					edit.setText(m_annot.GetEditText());
					m_edit_type = 1;
					m_pEdit.showAtLocation(this, Gravity.NO_GRAVITY, (int)m_annot_rect[0] + location[0], (int)m_annot_rect[1] + location[1]);
				}
				if( m_doc.CanSave() && m_annot.GetComboItemCount() >= 3 )	//move  edit text
				{
					int[] location = new int[2];  
					getLocationOnScreen(location);
					String opts[] = new String[m_annot.GetComboItemCount()];
					int cur = 0;
					while( cur < opts.length )
					{
						opts[cur] = m_annot.GetComboItem(cur);
						cur++;
					}
                    m_pCombo = new PopupWindow(LayoutInflater.from(getContext()).inflate(R.layout.pop_combo, null));
                    m_pCombo.setFocusable(true);
                    m_pCombo.setTouchable(true);
                    BitmapDrawable bitmap = new BitmapDrawable();//add back
                    m_pCombo.setBackgroundDrawable(bitmap);
					m_pCombo.setWidth((int)(m_annot_rect[2] - m_annot_rect[0]));
					if( (m_annot_rect[3] - m_annot_rect[1] - 4) * opts.length > 250 )
						m_pCombo.setHeight(250);
					else
						m_pCombo.setHeight((int)(m_annot_rect[3] - m_annot_rect[1] - 4) * opts.length);
					ComboList combo = (ComboList)m_pCombo.getContentView().findViewById(R.id.annot_combo);
					combo.set_opts(opts);
					combo.setOnItemClickListener(new OnItemClickListener() {
                        @Override
                        public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
                            m_sel_index = i;
                            m_pCombo.dismiss();
                        }
                    });
                    m_pCombo.setOnDismissListener(new PopupWindow.OnDismissListener() {
                        @Override
                        public void onDismiss() {
                            if (m_edit_type == 2)//combo
                            {
                                if (m_sel_index >= 0) {
                                    m_annot.SetComboItem(m_sel_index);
                                    m_view.vRenderSync(m_annot_page);
                                    if (m_listener != null)
										m_listener.OnPageModified(m_annot_page.GetPageNo());
                                }
                                m_sel_index = -1;
                                PDFEndAnnot();
                            }
                            m_edit_type = 0;
                        }
                    });
					m_edit_type = 2;
					m_sel_index = -1;
					m_pCombo.showAtLocation(this, Gravity.NO_GRAVITY, (int)m_annot_rect[0] + location[0], (int)(m_annot_rect[3] + location[1]));
				}
				if( m_listener != null )
					m_listener.OnAnnotClicked(m_annot_page, m_annot);
				invalidate();
			}
			return true;
		}
		return false;
	}