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src/dlib/gui_widgets/widgets.cpp  view on Meta::CPAN

    void text_field::
    enable (
    )
    {
        drawable::enable();
        right_click_menu.enable();
    }

// ----------------------------------------------------------------------------------------

    void text_field::
    give_input_focus (
    )
    {
        auto_mutex M(m);
        has_focus = true;
        cursor_visible = true;
        parent.invalidate_rectangle(rect);
        t.start();
    }

// ----------------------------------------------------------------------------------------

    bool text_field::
    has_input_focus (
    ) const
    {
        auto_mutex M(m);
        return has_focus;
    }

// ----------------------------------------------------------------------------------------

    void text_field::
    select_all_text (
    )
    {
        auto_mutex M(m);
        on_select_all();
    }

// ----------------------------------------------------------------------------------------

    void text_field::
    on_cut (
    )
    {
        on_copy();
        on_delete_selected();
    }

// ----------------------------------------------------------------------------------------

    void text_field::
    on_copy (
    )
    {
        if (highlight_start <= highlight_end)
        {
            put_on_clipboard(text_.substr(highlight_start, highlight_end-highlight_start+1));
        }
    }

// ----------------------------------------------------------------------------------------

    void text_field::
    on_paste (
    )
    {
        ustring temp_str;
        get_from_clipboard(temp_str);

        // If this is a multi line string then just take the first line.
        ustring::size_type pos = temp_str.find_first_of('\n');
        if (pos != ustring::npos)
        {
            temp_str = temp_str.substr(0,pos);
        }

        if (highlight_start <= highlight_end)
        {
            text_ = text_.substr(0,highlight_start) + temp_str +
                text_.substr(highlight_end+1,text_.size()-highlight_end-1);
            move_cursor(highlight_start+temp_str.size());
            highlight_start = 0;
            highlight_end = -1;
            parent.invalidate_rectangle(rect);
            on_no_text_selected();

            // send out the text modified event
            if (text_modified_handler.is_set())
                text_modified_handler();
        }
        else
        {
            text_ = text_.substr(0,cursor_pos) + temp_str +
                text_.substr(cursor_pos,text_.size()-cursor_pos);
            move_cursor(cursor_pos+temp_str.size());

            // send out the text modified event
            if (temp_str.size() != 0 && text_modified_handler.is_set())
                text_modified_handler();
        }
    }

// ----------------------------------------------------------------------------------------

    void text_field::
    on_select_all (
    )
    {
        move_cursor(static_cast<long>(text_.size()));
        highlight_start = 0;
        highlight_end = static_cast<long>(text_.size()-1);
        if (highlight_start <= highlight_end)
            on_text_is_selected();
        parent.invalidate_rectangle(rect);
    }

// ----------------------------------------------------------------------------------------

    void text_field::
    on_delete_selected (
    )
    {
        if (highlight_start <= highlight_end)
        {
            text_ = text_.erase(highlight_start,highlight_end-highlight_start+1);
            move_cursor(highlight_start);
            highlight_start = 0;
            highlight_end = -1;

src/dlib/gui_widgets/widgets.cpp  view on Meta::CPAN

                    break;
                }
            }
        }

        scroll_to_rect(get_bg_rect(row,col));

        // redraw our box
        parent.invalidate_rectangle(text_rect);

    }

// ----------------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------
    // text_field object methods  
// ----------------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------

    rectangle text_box::
    get_text_rect (
    ) const
    {
        const unsigned long padding = style->get_padding(*mfont);

        rectangle text_rect;
        text_rect.set_left(total_rect().left()+padding);
        text_rect.set_top(total_rect().top()+padding);
        text_rect.set_right(total_rect().right()-padding);
        text_rect.set_bottom(total_rect().bottom()-padding);
        return text_rect;
    }

// ----------------------------------------------------------------------------------------

    void text_box::
    enable (
    )
    {
        scrollable_region::enable();
        right_click_menu.enable();
    }

// ----------------------------------------------------------------------------------------

    void text_box::
    on_cut (
    )
    {
        on_copy();
        on_delete_selected();
    }

// ----------------------------------------------------------------------------------------

    void text_box::
    on_copy (
    )
    {
        if (highlight_start <= highlight_end)
        {
            put_on_clipboard(text_.substr(highlight_start, highlight_end-highlight_start+1));
        }
    }

// ----------------------------------------------------------------------------------------

    void text_box::
    on_paste (
    )
    {
        ustring temp_str;
        get_from_clipboard(temp_str);


        if (highlight_start <= highlight_end)
        {
            text_ = text_.substr(0,highlight_start) + temp_str +
                text_.substr(highlight_end+1,text_.size()-highlight_end-1);
            move_cursor(highlight_start+temp_str.size());
            highlight_start = 0;
            highlight_end = -1;
            parent.invalidate_rectangle(rect);
            on_no_text_selected();

            // send out the text modified event
            if (text_modified_handler.is_set())
                text_modified_handler();
        }
        else
        {
            text_ = text_.substr(0,cursor_pos) + temp_str +
                text_.substr(cursor_pos,text_.size()-cursor_pos);
            move_cursor(cursor_pos+temp_str.size());

            // send out the text modified event
            if (temp_str.size() != 0 && text_modified_handler.is_set())
                text_modified_handler();
        }

        adjust_total_rect();
    }

// ----------------------------------------------------------------------------------------

    void text_box::
    on_select_all (
    )
    {
        move_cursor(static_cast<long>(text_.size()));
        highlight_start = 0;
        highlight_end = static_cast<long>(text_.size()-1);
        if (highlight_start <= highlight_end)
            on_text_is_selected();
        parent.invalidate_rectangle(rect);
    }

// ----------------------------------------------------------------------------------------

    void text_box::
    on_delete_selected (
    )
    {
        if (highlight_start <= highlight_end)
        {
            text_ = text_.erase(highlight_start,highlight_end-highlight_start+1);
            move_cursor(highlight_start);
            highlight_start = 0;
            highlight_end = -1;

            on_no_text_selected();
            // send out the text modified event
            if (text_modified_handler.is_set())