Esempio n. 1
0
void wxTextCtrl::SetInsertionPoint( long pos )
{
    wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );

    if ( IsMultiLine() )
    {
        gtk_signal_disconnect_by_func( GTK_OBJECT(m_text),
                                       GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);

        /* we fake a set_point by inserting and deleting. as the user
           isn't supposed to get to know about this non-sense, we
           disconnect so that no events are sent to the user program. */

        gint tmp = (gint)pos;
        gtk_editable_insert_text( GTK_EDITABLE(m_text), " ", 1, &tmp );
        gtk_editable_delete_text( GTK_EDITABLE(m_text), tmp-1, tmp );

        gtk_signal_connect( GTK_OBJECT(m_text), "changed",
                            GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);

        // bring editable's cursor uptodate. Bug in GTK.
        SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
    }
    else
    {
        gtk_entry_set_position( GTK_ENTRY(m_text), (int)pos );

        // Bring editable's cursor uptodate. Bug in GTK.
        SET_EDITABLE_POS(m_text, (guint32)pos);
    }
}
Esempio n. 2
0
void wxTextCtrl::WriteText( const wxString &text )
{
    wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );

    if ( text.empty() )
        return;

    // gtk_text_changed_callback() will set m_modified to true but m_modified
    // shouldn't be changed by the program writing to the text control itself,
    // so save the old value and restore when we're done
    bool oldModified = m_modified;

    if ( m_windowStyle & wxTE_MULTILINE )
    {
        // After cursor movements, gtk_text_get_point() is wrong by one.
        gtk_text_set_point( GTK_TEXT(m_text), GET_EDITABLE_POS(m_text) );

        // always use m_defaultStyle, even if it is empty as otherwise
        // resetting the style and appending some more text wouldn't work: if
        // we don't specify the style explicitly, the old style would be used
        gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
        wxGtkTextInsert(m_text, m_defaultStyle, text.c_str(), text.length());

        // we called wxGtkTextInsert with correct font, no need to do anything
        // in UpdateFontIfNeeded() any longer
        if ( !text.empty() )
        {
            SetUpdateFont(false);
        }

        // Bring editable's cursor back uptodate.
        SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
    }
    else // single line
    {
        // First remove the selection if there is one
        gtk_editable_delete_selection( GTK_EDITABLE(m_text) );

        // This moves the cursor pos to behind the inserted text.
        gint len = GET_EDITABLE_POS(m_text);

        gtk_editable_insert_text( GTK_EDITABLE(m_text), text.c_str(), text.length(), &len );

        // Bring entry's cursor uptodate.
        gtk_entry_set_position( GTK_ENTRY(m_text), len );
    }

    m_modified = oldModified;
}
Esempio n. 3
0
gint keyevent(GtkWidget * w, GdkEventKey * event, gpointer data)
{
    Gwidget_t *widget;
    widget = findwidget((unsigned long) w, G_TEXTWIDGET);

    if (event->keyval == 65293) {
	Gbufp = gtk_editable_get_chars(w, pos, -1);
	pos = gtk_text_get_point(w);

	if (WTU->func) {
	    /* calls TXTprocess in the case of txtview   */
	    (*WTU->func) (widget - &Gwidgets[0], Gbufp);
	}
    }

    return FALSE;
}
Esempio n. 4
0
bool wxTextCtrl::Create( wxWindow *parent,
                         wxWindowID id,
                         const wxString &value,
                         const wxPoint &pos,
                         const wxSize &size,
                         long style,
                         const wxValidator& validator,
                         const wxString &name )
{
    m_needParent = true;
    m_acceptsFocus = true;

    if (!PreCreation( parent, pos, size ) ||
            !CreateBase( parent, id, pos, size, style, validator, name ))
    {
        wxFAIL_MSG( wxT("wxTextCtrl creation failed") );
        return false;
    }


    m_vScrollbarVisible = false;

    bool multi_line = (style & wxTE_MULTILINE) != 0;

    if (multi_line)
    {
        // create our control ...
        m_text = gtk_text_new( NULL, NULL );

        // ... and put into the upper left hand corner of the table
        bool bHasHScrollbar = false;
        m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE);
        GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
        gtk_table_attach( GTK_TABLE(m_widget), m_text, 0, 1, 0, 1,
                          (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
                          (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
                          0, 0);

        // always wrap words
        gtk_text_set_word_wrap( GTK_TEXT(m_text), TRUE );

        // finally, put the vertical scrollbar in the upper right corner
        m_vScrollbar = gtk_vscrollbar_new( GTK_TEXT(m_text)->vadj );
        GTK_WIDGET_UNSET_FLAGS( m_vScrollbar, GTK_CAN_FOCUS );
        gtk_table_attach(GTK_TABLE(m_widget), m_vScrollbar, 1, 2, 0, 1,
                         GTK_FILL,
                         (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK),
                         0, 0);
    }
    else
    {
        // a single-line text control: no need for scrollbars
        m_widget =
            m_text = gtk_entry_new();
    }

    m_parent->DoAddChild( this );

    m_focusWidget = m_text;

    PostCreation(size);

    if (multi_line)
        gtk_widget_show(m_text);

    if (multi_line)
    {
        gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed",
                           (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this );

        // only initialize gs_gtk_text_draw once, starting from the next the
        // klass::draw will already be wxgtk_text_draw
        if ( !gs_gtk_text_draw )
        {
            GtkDrawCallback&
            draw = GTK_WIDGET_CLASS(GTK_OBJECT(m_text)->klass)->draw;

            gs_gtk_text_draw = draw;

            draw = wxgtk_text_draw;
        }
    }

    if (!value.empty())
    {
#if !GTK_CHECK_VERSION(1, 2, 0)
        // if we don't realize it, GTK 1.0.6 dies with a SIGSEGV in
        // gtk_editable_insert_text()
        gtk_widget_realize(m_text);
#endif // GTK 1.0

        gint tmp = 0;
#if wxUSE_UNICODE
        wxWX2MBbuf val = value.mbc_str();
        gtk_editable_insert_text( GTK_EDITABLE(m_text), val, strlen(val), &tmp );
#else
        gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.length(), &tmp );
#endif

        if (multi_line)
        {
            // Bring editable's cursor uptodate. Bug in GTK.
            SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
        }
    }

    if (style & wxTE_PASSWORD)
    {
        if (!multi_line)
            gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE );
    }

    if (style & wxTE_READONLY)
    {
        if (!multi_line)
            gtk_entry_set_editable( GTK_ENTRY(m_text), FALSE );
    }
    else
    {
        if (multi_line)
            gtk_text_set_editable( GTK_TEXT(m_text), 1 );
    }

    // We want to be notified about text changes.
    gtk_signal_connect( GTK_OBJECT(m_text), "changed",
                        GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);

    m_cursor = wxCursor( wxCURSOR_IBEAM );

    wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont());
    SetDefaultStyle( attrDef );

    return true;
}