+/// Get the first visible point in the window
+wxPoint wxRichTextCtrl::GetFirstVisiblePoint() const
+{
+ int ppuX, ppuY;
+ int startXUnits, startYUnits;
+
+ GetScrollPixelsPerUnit(& ppuX, & ppuY);
+ GetViewStart(& startXUnits, & startYUnits);
+
+ return wxPoint(startXUnits * ppuX, startYUnits * ppuY);
+}
+
+/// The adjusted caret position is the character position adjusted to take
+/// into account whether we're at the start of a paragraph, in which case
+/// style information should be taken from the next position, not current one.
+long wxRichTextCtrl::GetAdjustedCaretPosition(long caretPos) const
+{
+ wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(caretPos+1);
+
+ if (para && (caretPos+1 == para->GetRange().GetStart()))
+ caretPos ++;
+ return caretPos;
+}
+
+/// Get/set the selection range in character positions. -1, -1 means no selection.
+/// The range is in API convention, i.e. a single character selection is denoted
+/// by (n, n+1)
+wxRichTextRange wxRichTextCtrl::GetSelectionRange() const
+{
+ wxRichTextRange range = GetInternalSelectionRange();
+ if (range != wxRichTextRange(-2,-2) && range != wxRichTextRange(-1,-1))
+ range.SetEnd(range.GetEnd() + 1);
+ return range;
+}
+
+void wxRichTextCtrl::SetSelectionRange(const wxRichTextRange& range)
+{
+ SetSelection(range.GetStart(), range.GetEnd());
+}
+
+/// Set list style
+bool wxRichTextCtrl::SetListStyle(const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int startFrom, int specifiedLevel)
+{
+ return GetBuffer().SetListStyle(range.ToInternal(), def, flags, startFrom, specifiedLevel);
+}
+
+bool wxRichTextCtrl::SetListStyle(const wxRichTextRange& range, const wxString& defName, int flags, int startFrom, int specifiedLevel)
+{
+ return GetBuffer().SetListStyle(range.ToInternal(), defName, flags, startFrom, specifiedLevel);
+}
+
+/// Clear list for given range
+bool wxRichTextCtrl::ClearListStyle(const wxRichTextRange& range, int flags)
+{
+ return GetBuffer().ClearListStyle(range.ToInternal(), flags);
+}
+
+/// Number/renumber any list elements in the given range
+bool wxRichTextCtrl::NumberList(const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int startFrom, int specifiedLevel)
+{
+ return GetBuffer().NumberList(range.ToInternal(), def, flags, startFrom, specifiedLevel);
+}
+
+bool wxRichTextCtrl::NumberList(const wxRichTextRange& range, const wxString& defName, int flags, int startFrom, int specifiedLevel)
+{
+ return GetBuffer().NumberList(range.ToInternal(), defName, flags, startFrom, specifiedLevel);
+}
+
+/// Promote the list items within the given range. promoteBy can be a positive or negative number, e.g. 1 or -1
+bool wxRichTextCtrl::PromoteList(int promoteBy, const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int specifiedLevel)
+{
+ return GetBuffer().PromoteList(promoteBy, range.ToInternal(), def, flags, specifiedLevel);
+}
+
+bool wxRichTextCtrl::PromoteList(int promoteBy, const wxRichTextRange& range, const wxString& defName, int flags, int specifiedLevel)
+{
+ return GetBuffer().PromoteList(promoteBy, range.ToInternal(), defName, flags, specifiedLevel);
+}
+
+/// Deletes the content in the given range
+bool wxRichTextCtrl::Delete(const wxRichTextRange& range)
+{
+ return GetBuffer().DeleteRangeWithUndo(range.ToInternal(), this);
+}
+
+const wxArrayString& wxRichTextCtrl::GetAvailableFontNames()
+{
+ if (sm_availableFontNames.GetCount() == 0)
+ {
+ sm_availableFontNames = wxFontEnumerator::GetFacenames();
+ sm_availableFontNames.Sort();
+ }
+ return sm_availableFontNames;
+}
+
+void wxRichTextCtrl::ClearAvailableFontNames()
+{
+ sm_availableFontNames.Clear();
+}
+
+void wxRichTextCtrl::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
+{
+ //wxLogDebug(wxT("wxRichTextCtrl::OnSysColourChanged"));
+
+ wxTextAttrEx basicStyle = GetBasicStyle();
+ basicStyle.SetTextColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
+ SetBasicStyle(basicStyle);
+ SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
+
+ Refresh();
+}
+
+// Refresh the area affected by a selection change
+bool wxRichTextCtrl::RefreshForSelectionChange(const wxRichTextRange& oldSelection, const wxRichTextRange& newSelection)
+{
+ // Calculate the refresh rectangle - just the affected lines
+ long firstPos, lastPos;
+ if (oldSelection.GetStart() == -2 && newSelection.GetStart() != -2)
+ {
+ firstPos = newSelection.GetStart();
+ lastPos = newSelection.GetEnd();
+ }
+ else if (oldSelection.GetStart() != -2 && newSelection.GetStart() == -2)
+ {
+ firstPos = oldSelection.GetStart();
+ lastPos = oldSelection.GetEnd();
+ }
+ else if (oldSelection.GetStart() == -2 && newSelection.GetStart() == -2)
+ {
+ return false;
+ }
+ else
+ {
+ firstPos = wxMin(oldSelection.GetStart(), newSelection.GetStart());
+ lastPos = wxMax(oldSelection.GetEnd(), newSelection.GetEnd());
+ }
+
+ wxRichTextLine* firstLine = GetBuffer().GetLineAtPosition(firstPos);
+ wxRichTextLine* lastLine = GetBuffer().GetLineAtPosition(lastPos);
+
+ if (firstLine && lastLine)
+ {
+ wxSize clientSize = GetClientSize();
+ wxPoint pt1 = GetPhysicalPoint(firstLine->GetAbsolutePosition());
+ wxPoint pt2 = GetPhysicalPoint(lastLine->GetAbsolutePosition()) + wxPoint(0, lastLine->GetSize().y);
+
+ pt1.x = 0;
+ pt1.y = wxMax(0, pt1.y);
+ pt2.x = 0;
+ pt2.y = wxMin(clientSize.y, pt2.y);
+
+ wxRect rect(pt1, wxSize(clientSize.x, pt2.y - pt1.y));
+ RefreshRect(rect, false);
+ }
+ else
+ Refresh(false);
+
+ return true;
+}
+
+#if wxRICHTEXT_USE_OWN_CARET
+
+// ----------------------------------------------------------------------------
+// initialization and destruction
+// ----------------------------------------------------------------------------
+
+void wxRichTextCaret::Init()
+{
+ m_hasFocus = true;
+
+ m_xOld =
+ m_yOld = -1;
+ m_richTextCtrl = NULL;
+ m_needsUpdate = false;
+ m_flashOn = true;
+}
+
+wxRichTextCaret::~wxRichTextCaret()
+{
+ if (m_timer.IsRunning())
+ m_timer.Stop();
+}
+
+// ----------------------------------------------------------------------------
+// showing/hiding/moving the caret (base class interface)
+// ----------------------------------------------------------------------------
+
+void wxRichTextCaret::DoShow()
+{
+ m_flashOn = true;
+
+ if (!m_timer.IsRunning())
+ m_timer.Start(GetBlinkTime());
+
+ Refresh();
+}
+
+void wxRichTextCaret::DoHide()
+{
+ if (m_timer.IsRunning())
+ m_timer.Stop();
+
+ Refresh();
+}
+
+void wxRichTextCaret::DoMove()
+{
+ if (IsVisible())
+ {
+ Refresh();
+
+ if (m_xOld != -1 && m_yOld != -1)
+ {
+ if (m_richTextCtrl)
+ {
+ wxRect rect(GetPosition(), GetSize());
+ m_richTextCtrl->RefreshRect(rect, false);
+ }
+ }
+ }
+
+ m_xOld = m_x;
+ m_yOld = m_y;
+}
+
+void wxRichTextCaret::DoSize()
+{
+ int countVisible = m_countVisible;
+ if (countVisible > 0)
+ {
+ m_countVisible = 0;
+ DoHide();
+ }
+
+ if (countVisible > 0)
+ {
+ m_countVisible = countVisible;
+ DoShow();
+ }
+}
+
+// ----------------------------------------------------------------------------
+// handling the focus
+// ----------------------------------------------------------------------------
+
+void wxRichTextCaret::OnSetFocus()
+{
+ m_hasFocus = true;
+
+ if ( IsVisible() )
+ Refresh();
+}
+
+void wxRichTextCaret::OnKillFocus()
+{
+ m_hasFocus = false;
+}
+
+// ----------------------------------------------------------------------------
+// drawing the caret
+// ----------------------------------------------------------------------------
+
+void wxRichTextCaret::Refresh()
+{
+ if (m_richTextCtrl)
+ {
+ wxRect rect(GetPosition(), GetSize());
+ m_richTextCtrl->RefreshRect(rect, false);
+ }
+}
+
+void wxRichTextCaret::DoDraw(wxDC *dc)
+{
+ dc->SetPen( *wxBLACK_PEN );
+
+ dc->SetBrush(*(m_hasFocus ? wxBLACK_BRUSH : wxTRANSPARENT_BRUSH));
+ dc->SetPen(*wxBLACK_PEN);
+
+ wxPoint pt(m_x, m_y);
+
+ if (m_richTextCtrl)
+ {
+ pt = m_richTextCtrl->GetLogicalPoint(pt);
+ }
+ if (IsVisible() && m_flashOn)
+ dc->DrawRectangle(pt.x, pt.y, m_width, m_height);
+}
+
+void wxRichTextCaret::Notify()
+{
+ m_flashOn = !m_flashOn;
+ Refresh();
+}
+
+void wxRichTextCaretTimer::Notify()
+{
+ m_caret->Notify();
+}
projects / wxWidgets.git / blobdiff