[−][src]Trait fltk::prelude::DisplayExt

pub unsafe trait DisplayExt: WidgetExt {
    fn buffer(&self) -> Option<TextBuffer>;
    fn set_buffer(&mut self, buffer: Option<TextBuffer>);
    fn style_buffer(&self) -> Option<TextBuffer>;
    fn text_font(&self) -> Font;
    fn set_text_font(&mut self, font: Font);
    fn text_color(&self) -> Color;
    fn set_text_color(&mut self, color: Color);
    fn text_size(&self) -> u32;
    fn set_text_size(&mut self, sz: u32);
    fn scroll(&mut self, top_line_num: u32, horiz_offset: u32);
    fn insert(&self, text: &str);
    fn set_insert_position(&mut self, new_pos: u32);
    fn insert_position(&self) -> u32;
    fn position_to_xy(&self, pos: u32) -> (u32, u32);
    fn count_lines(&self, start: u32, end: u32, is_line_start: bool) -> u32;
    fn move_right(&mut self) -> Result<(), FltkError>;
    fn move_left(&mut self) -> Result<(), FltkError>;
    fn move_up(&mut self) -> Result<(), FltkError>;
    fn move_down(&mut self) -> Result<(), FltkError>;
    fn show_cursor(&mut self, val: bool);
    fn set_highlight_data(
        &mut self, 
        style_buffer: TextBuffer, 
        entries: Vec<StyleTableEntry>
    );
    fn set_cursor_style(&mut self, style: TextCursor);
    fn set_cursor_color(&mut self, color: Color);
    fn set_scrollbar_width(&mut self, width: i32);
    fn set_scrollbar_size(&mut self, size: u32);
    fn set_scrollbar_align(&mut self, align: Align);
    fn cursor_style(&self) -> TextCursor;
    fn cursor_color(&self) -> Color;
    fn scrollbar_width(&self) -> u32;
    fn scrollbar_size(&self) -> u32;
    fn scrollbar_align(&self) -> Align;
    fn line_start(&self, pos: u32) -> u32;
    fn line_end(&self, start_pos: u32, is_line_start: bool) -> u32;
    fn skip_lines(
        &mut self, 
        start_pos: u32, 
        lines: u32, 
        is_line_start: bool
    ) -> u32;
    fn rewind_lines(&mut self, start_pos: u32, lines: u32) -> u32;
    fn next_word(&mut self);
    fn previous_word(&mut self);
    fn word_start(&self, pos: u32) -> u32;
    fn word_end(&self, pos: u32) -> u32;
    fn x_to_col(&self, x: f64) -> f64;
    fn col_to_x(&self, col: f64) -> f64;
    fn set_linenumber_width(&mut self, w: i32);
    fn linenumber_width(&self) -> i32;
    fn set_linenumber_font(&mut self, font: Font);
    fn linenumber_font(&self) -> Font;
    fn set_linenumber_size(&mut self, size: u32);
    fn linenumber_size(&self) -> u32;
    fn set_linenumber_fgcolor(&mut self, color: Color);
    fn linenumber_fgcolor(&self) -> Color;
    fn set_linenumber_bgcolor(&mut self, color: Color);
    fn linenumber_bgcolor(&self) -> Color;
    fn set_linenumber_align(&mut self, align: Align);
    fn linenumber_align(&self) -> Align;
    fn in_selection(&self, x: i32, y: i32) -> bool;
    fn wrap_mode(&mut self, wrap: WrapMode, wrap_margin: i32);
    fn wrapped_column(&self, row: i32, column: i32) -> i32;
    fn wrapped_row(&self, row: i32) -> i32;
}

Defines the methods implemented by TextDisplay and TextEditor

Required methods

`fn buffer(&self) -> Option<TextBuffer>`

Get the associated TextBuffer

`fn set_buffer(&mut self, buffer: Option<TextBuffer>)`

Sets the associated TextBuffer

`fn style_buffer(&self) -> Option<TextBuffer>`

Get the associated style TextBuffer

`fn text_font(&self) -> Font`

Return the text font

`fn set_text_font(&mut self, font: Font)`

Sets the text font

`fn text_color(&self) -> Color`

Return the text color

`fn set_text_color(&mut self, color: Color)`

Sets the text color

`fn text_size(&self) -> u32`

Return the text size

`fn set_text_size(&mut self, sz: u32)`

Sets the text size

`fn scroll(&mut self, top_line_num: u32, horiz_offset: u32)`

Scroll down the Display widget

`fn insert(&self, text: &str)`

Insert into Display widget

`fn set_insert_position(&mut self, new_pos: u32)`

Set the insert position

`fn insert_position(&self) -> u32`

Return the insert position

`fn position_to_xy(&self, pos: u32) -> (u32, u32)`

Gets the x and y positions of the cursor

`fn count_lines(&self, start: u32, end: u32, is_line_start: bool) -> u32`

Counts the lines from start to end

`fn move_right(&mut self) -> Result<(), FltkError>`

Moves the cursor right

`fn move_left(&mut self) -> Result<(), FltkError>`

Moves the cursor left

`fn move_up(&mut self) -> Result<(), FltkError>`

Moves the cursor up

`fn move_down(&mut self) -> Result<(), FltkError>`

Moves the cursor down

`fn show_cursor(&mut self, val: bool)`

Shows/hides the cursor

`fn set_highlight_data( &mut self, style_buffer: TextBuffer, entries: Vec<StyleTableEntry> )`

Sets the style of the text widget

`fn set_cursor_style(&mut self, style: TextCursor)`

Sets the cursor style

`fn set_cursor_color(&mut self, color: Color)`

Sets the cursor color

`fn set_scrollbar_width(&mut self, width: i32)`

Sets the scrollbar width

`fn set_scrollbar_size(&mut self, size: u32)`

Sets the scrollbar size in pixels

`fn set_scrollbar_align(&mut self, align: Align)`

Sets the scrollbar alignment

`fn cursor_style(&self) -> TextCursor`

Returns the cursor style

`fn cursor_color(&self) -> Color`

Returns the cursor color

`fn scrollbar_width(&self) -> u32`

Returns the scrollback width

`fn scrollbar_size(&self) -> u32`

Returns the scrollbar size in pixels

`fn scrollbar_align(&self) -> Align`

Returns the scrollbar alignment

`fn line_start(&self, pos: u32) -> u32`

Returns the beginning of the line from the current position

`fn line_end(&self, start_pos: u32, is_line_start: bool) -> u32`

Returns the ending of the line from the current position

`fn skip_lines(&mut self, start_pos: u32, lines: u32, is_line_start: bool) -> u32`

Skips lines from start_pos

`fn rewind_lines(&mut self, start_pos: u32, lines: u32) -> u32`

Rewinds the lines

`fn next_word(&mut self)`

Goes to the next word

`fn previous_word(&mut self)`

Goes to the previous word

`fn word_start(&self, pos: u32) -> u32`

Returns the position of the start of the word, relative to the current position

`fn word_end(&self, pos: u32) -> u32`

Returns the position of the end of the word, relative to the current position

`fn x_to_col(&self, x: f64) -> f64`

Convert an x pixel position into a column number.

`fn col_to_x(&self, col: f64) -> f64`

Convert a column number into an x pixel position

`fn set_linenumber_width(&mut self, w: i32)`

Sets the linenumber width

`fn linenumber_width(&self) -> i32`

Gets the linenumber width

`fn set_linenumber_font(&mut self, font: Font)`

Sets the linenumber font

`fn linenumber_font(&self) -> Font`

Gets the linenumber font

`fn set_linenumber_size(&mut self, size: u32)`

Sets the linenumber size

`fn linenumber_size(&self) -> u32`

Gets the linenumber size

`fn set_linenumber_fgcolor(&mut self, color: Color)`

Sets the linenumber foreground color

`fn linenumber_fgcolor(&self) -> Color`

Gets the linenumber foreground color

`fn set_linenumber_bgcolor(&mut self, color: Color)`

Sets the linenumber background color

`fn linenumber_bgcolor(&self) -> Color`

Gets the linenumber background color

`fn set_linenumber_align(&mut self, align: Align)`

Sets the linenumber alignment

`fn linenumber_align(&self) -> Align`

Gets the linenumber alignment

`fn in_selection(&self, x: i32, y: i32) -> bool`

Checks whether a pixel is within a text selection

`fn wrap_mode(&mut self, wrap: WrapMode, wrap_margin: i32)`

Sets the wrap mode of the Display widget If the wrap mode is AtColumn, wrap_margin is the column. If the wrap mode is AtPixel, wrap_margin is the pixel For more info: https://www.fltk.org/doc-1.4/classFl__Text__Display.html#ab9378d48b949f8fc7da04c6be4142c54