+void wxTextCtrl::MarkDirty()
+{
+ m_modified = true;
+}
+
+void wxTextCtrl::DiscardEdits()
+{
+ m_modified = false;
+}
+
+// ----------------------------------------------------------------------------
+// event handling
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::EnableTextChangedEvents(bool enable)
+{
+ if ( enable )
+ {
+ g_signal_handlers_unblock_by_func(GetTextObject(),
+ (gpointer)gtk_text_changed_callback, this);
+ }
+ else // disable events
+ {
+ g_signal_handlers_block_by_func(GetTextObject(),
+ (gpointer)gtk_text_changed_callback, this);
+ }
+}
+
+bool wxTextCtrl::IgnoreTextUpdate()
+{
+ if ( m_countUpdatesToIgnore > 0 )
+ {
+ m_countUpdatesToIgnore--;
+
+ return true;
+ }
+
+ return false;
+}
+
+bool wxTextCtrl::MarkDirtyOnChange()
+{
+ if ( m_dontMarkDirty )
+ {
+ m_dontMarkDirty = false;
+
+ return false;
+ }
+
+ return true;
+}
+
+void wxTextCtrl::SetSelection( long from, long to )
+{
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+ if (from == -1 && to == -1)
+ {
+ from = 0;
+ to = GetValue().length();
+ }
+
+ if ( IsMultiLine() )
+ {
+ GtkTextIter fromi, toi;
+ gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
+ gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
+
+ gtk_text_buffer_select_range( m_buffer, &fromi, &toi );
+ }
+ else // single line
+ {
+ wxTextEntry::SetSelection(from, to);
+ }
+}
+
+void wxTextCtrl::ShowPosition( long pos )
+{
+ if (IsMultiLine())
+ {
+ GtkTextIter iter;
+ gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, int(pos));
+ GtkTextMark* mark = gtk_text_buffer_get_mark(m_buffer, "ShowPosition");
+ gtk_text_buffer_move_mark(m_buffer, mark, &iter);
+ if (IsFrozen())
+ // defer until Thaw, text view is not using m_buffer now
+ m_showPositionOnThaw = mark;
+ else
+ gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
+ }
+}
+
+wxTextCtrlHitTestResult
+wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const
+{
+ if ( !IsMultiLine() )
+ {
+ // not supported
+ return wxTE_HT_UNKNOWN;
+ }
+
+ int x, y;
+ gtk_text_view_window_to_buffer_coords
+ (
+ GTK_TEXT_VIEW(m_text),
+ GTK_TEXT_WINDOW_TEXT,
+ pt.x, pt.y,
+ &x, &y
+ );
+
+ GtkTextIter iter;
+ gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y);
+ if ( pos )
+ *pos = gtk_text_iter_get_offset(&iter);
+
+ return wxTE_HT_ON_TEXT;
+}
+
+long wxTextCtrl::GetInsertionPoint() const
+{
+ wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
+
+ if ( IsMultiLine() )
+ {
+ // There is no direct accessor for the cursor, but
+ // internally, the cursor is the "mark" called
+ // "insert" in the text view's btree structure.
+
+ GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer );
+ GtkTextIter cursor;
+ gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark );
+
+ return gtk_text_iter_get_offset( &cursor );
+ }
+ else
+ {
+ return wxTextEntry::GetInsertionPoint();
+ }
+}
+
+wxTextPos wxTextCtrl::GetLastPosition() const
+{
+ wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
+
+ int pos = 0;
+
+ if ( IsMultiLine() )
+ {
+ GtkTextIter end;
+ gtk_text_buffer_get_end_iter( m_buffer, &end );
+
+ pos = gtk_text_iter_get_offset( &end );
+ }
+ else // single line
+ {
+ pos = wxTextEntry::GetLastPosition();
+ }
+
+ return (long)pos;
+}
+
+void wxTextCtrl::Remove( long from, long to )
+{
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+ if ( IsMultiLine() )
+ {
+ GtkTextIter fromi, toi;
+ gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
+ gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
+
+ gtk_text_buffer_delete( m_buffer, &fromi, &toi );
+ }
+ else // single line
+ {
+ wxTextEntry::Remove(from, to);
+ }
+}
+
+void wxTextCtrl::Cut()
+{
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+ if ( IsMultiLine() )
+ g_signal_emit_by_name (m_text, "cut-clipboard");
+ else
+ wxTextEntry::Cut();
+}
+
+void wxTextCtrl::Copy()
+{
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+ if ( IsMultiLine() )
+ g_signal_emit_by_name (m_text, "copy-clipboard");
+ else
+ wxTextEntry::Copy();
+}
+
+void wxTextCtrl::Paste()
+{
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+ if ( IsMultiLine() )
+ g_signal_emit_by_name (m_text, "paste-clipboard");
+ else
+ wxTextEntry::Paste();
+}
+
+// If the return values from and to are the same, there is no
+// selection.
+void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
+{
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+ if ( !IsMultiLine() )
+ {
+ wxTextEntry::GetSelection(fromOut, toOut);
+ return;
+ }
+
+ gint from, to;
+
+ GtkTextIter ifrom, ito;
+ if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) )
+ {
+ from = gtk_text_iter_get_offset(&ifrom);
+ to = gtk_text_iter_get_offset(&ito);
+
+ if ( from > to )
+ {
+ // exchange them to be compatible with wxMSW
+ gint tmp = from;
+ from = to;
+ to = tmp;
+ }
+ }
+ else // no selection
+ {
+ from =
+ to = GetInsertionPoint();
+ }
+
+ if ( fromOut )
+ *fromOut = from;
+ if ( toOut )
+ *toOut = to;
+}
+
+
+bool wxTextCtrl::IsEditable() const
+{
+ wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
+
+ if ( IsMultiLine() )
+ {
+ return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
+ }
+ else
+ {
+ return wxTextEntry::IsEditable();
+ }
+}
+
+bool wxTextCtrl::IsModified() const
+{
+ return m_modified;
+}
+
+void wxTextCtrl::OnChar( wxKeyEvent &key_event )
+{
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+ if ( key_event.GetKeyCode() == WXK_RETURN )
+ {
+ if ( HasFlag(wxTE_PROCESS_ENTER) )
+ {
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
+ event.SetEventObject(this);
+ event.SetString(GetValue());
+ if ( HandleWindowEvent(event) )
+ return;
+ }
+ }
+
+ key_event.Skip();
+}
+
+GtkWidget* wxTextCtrl::GetConnectWidget()
+{
+ return GTK_WIDGET(m_text);
+}
+
+GdkWindow *wxTextCtrl::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
+{
+ if ( IsMultiLine() )
+ {
+ return gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
+ GTK_TEXT_WINDOW_TEXT );
+ }
+ else
+ {
+ return GTK_ENTRY(m_text)->text_area;
+ }
+}
+
+// the font will change for subsequent text insertiongs
+bool wxTextCtrl::SetFont( const wxFont &font )
+{
+ wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
+
+ if ( !wxTextCtrlBase::SetFont(font) )
+ {
+ // font didn't change, nothing to do
+ return false;
+ }
+
+ if ( IsMultiLine() )
+ {
+ SetUpdateFont(true);
+
+ m_defaultStyle.SetFont(font);
+
+ ChangeFontGlobally();
+ }
+
+ return true;
+}
+
+void wxTextCtrl::ChangeFontGlobally()
+{
+ // this method is very inefficient and hence should be called as rarely as
+ // possible!
+ //
+ // TODO: it can be implemented much more efficiently for GTK2
+ wxASSERT_MSG( IsMultiLine(),
+ _T("shouldn't be called for single line controls") );
+
+ wxString value = GetValue();
+ if ( !value.empty() )
+ {
+ SetUpdateFont(false);
+
+ Clear();
+ AppendText(value);
+ }
+}
+
+bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
+{
+ if ( !wxControl::SetForegroundColour(colour) )
+ return false;
+
+ // update default fg colour too
+ m_defaultStyle.SetTextColour(colour);
+
+ return true;
+}
+
+bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
+{
+ wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
+
+ if ( !wxControl::SetBackgroundColour( colour ) )
+ return false;
+
+ if (!m_backgroundColour.Ok())
+ return false;
+
+ // change active background color too
+ m_defaultStyle.SetBackgroundColour( colour );
+
+ return true;
+}
+
+bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
+{
+ if ( IsMultiLine() )
+ {
+ if ( style.IsDefault() )
+ {
+ // nothing to do
+ return true;
+ }
+
+ gint l = gtk_text_buffer_get_char_count( m_buffer );
+
+ wxCHECK_MSG( start >= 0 && end <= l, false,
+ _T("invalid range in wxTextCtrl::SetStyle") );
+
+ GtkTextIter starti, endi;
+ gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
+ gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end );
+
+ wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, style, &starti, &endi );
+
+ return true;
+ }
+ //else: single line text controls don't support styles
+
+ return false;
+}
+
+void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
+{
+ gtk_widget_modify_style(m_text, style);
+}
+
+void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
+{
+ Cut();
+}
+
+void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
+{
+ Copy();
+}
+
+void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
+{
+ Paste();
+}
+
+void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
+{
+ Undo();
+}
+
+void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
+{
+ Redo();
+}
+
+void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
+{
+ event.Enable( CanCut() );
+}
+
+void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
+{
+ event.Enable( CanCopy() );
+}
+
+void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
+{
+ event.Enable( CanPaste() );
+}
+
+void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
+{
+ event.Enable( CanUndo() );
+}
+
+void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
+{
+ event.Enable( CanRedo() );
+}
+
+wxSize wxTextCtrl::DoGetBestSize() const
+{
+ // FIXME should be different for multi-line controls...
+ wxSize ret( wxControl::DoGetBestSize() );
+ wxSize best(80, ret.y);
+ CacheBestSize(best);
+ return best;
+}
+
+// ----------------------------------------------------------------------------
+// freeze/thaw
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::DoFreeze()
+{
+ wxCHECK_RET(m_text != NULL, wxT("invalid text ctrl"));
+
+ wxWindow::DoFreeze();
+
+ if ( HasFlag(wxTE_MULTILINE) )
+ {
+ GTKFreezeWidget(m_text);
+
+ // removing buffer dramatically speeds up insertion:
+ g_object_ref(m_buffer);
+ GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL);
+ GtkTextMark* mark = GTK_TEXT_VIEW(m_text)->first_para_mark;
+ gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), buf_new);
+ // gtk_text_view_set_buffer adds its own reference
+ g_object_unref(buf_new);
+ // This mark should be deleted when the buffer is changed,
+ // but it's not (in GTK+ up to at least 2.10.6).
+ // Otherwise these anonymous marks start to build up in the buffer,
+ // and Freeze takes longer and longer each time it is called.
+ if (GTK_IS_TEXT_MARK(mark) && !gtk_text_mark_get_deleted(mark))
+ gtk_text_buffer_delete_mark(m_buffer, mark);
+ }
+}
+
+void wxTextCtrl::DoThaw()
+{
+ if ( HasFlag(wxTE_MULTILINE) )
+ {
+ // reattach buffer:
+ gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
+ g_object_unref(m_buffer);
+
+ if (m_showPositionOnThaw != NULL)
+ {
+ gtk_text_view_scroll_mark_onscreen(
+ GTK_TEXT_VIEW(m_text), m_showPositionOnThaw);
+ m_showPositionOnThaw = NULL;
+ }
+
+ // and thaw the window
+ GTKThawWidget(m_text);
+ }
+
+ wxWindow::DoThaw();
+}
+
+// ----------------------------------------------------------------------------
+// wxTextUrlEvent passing if style & wxTE_AUTO_URL
+// ----------------------------------------------------------------------------
+
+// FIXME: when dragging on a link the sample gets an "Unknown event".
+// This might be an excessive event from us or a buggy wxMouseEvent::Moving() or
+// a buggy sample, or something else
+void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
+{
+ event.Skip();
+ if( !HasFlag(wxTE_AUTO_URL) )
+ return;
+
+ gint x, y;
+ GtkTextIter start, end;
+ GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer),
+ "wxUrl");
+
+ gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET,
+ event.GetX(), event.GetY(), &x, &y);
+
+ gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
+ if (!gtk_text_iter_has_tag(&end, tag))
+ {
+ gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
+ GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor);
+ return;
+ }
+
+ gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
+ GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor);
+
+ start = end;
+ if(!gtk_text_iter_begins_tag(&start, tag))
+ gtk_text_iter_backward_to_tag_toggle(&start, tag);
+ if(!gtk_text_iter_ends_tag(&end, tag))
+ gtk_text_iter_forward_to_tag_toggle(&end, tag);
+
+ // Native context menu is probably not desired on an URL.
+ // Consider making this dependant on ProcessEvent(wxTextUrlEvent) return value
+ if(event.GetEventType() == wxEVT_RIGHT_DOWN)
+ event.Skip(false);
+
+ wxTextUrlEvent url_event(m_windowId, event,
+ gtk_text_iter_get_offset(&start),
+ gtk_text_iter_get_offset(&end));
+
+ InitCommandEvent(url_event);
+ // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag)
+ //event.Skip(!HandleWindowEvent(url_event));
+ HandleWindowEvent(url_event);
+}
+
+bool wxTextCtrl::GTKProcessEvent(wxEvent& event) const
+{
+ bool rc = wxTextCtrlBase::GTKProcessEvent(event);
+
+ // GtkTextView starts a drag operation when left mouse button is pressed
+ // and ends it when it is released and if it doesn't get the release event
+ // the next click on a control results in an assertion failure inside
+ // gtk_text_view_start_selection_drag() which simply *kills* the program
+ // without anything we can do about it, so always let GTK+ have this event
+ return rc && (IsSingleLine() || event.GetEventType() != wxEVT_LEFT_UP);
+}
+
+// static
+wxVisualAttributes
+wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+ return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
projects / wxWidgets.git / blobdiff