pub struct Pack { /* private fields */ }
Expand description
Creates a widget pack
Implementations§
source§impl Pack
impl Pack
sourcepub fn set_spacing(&mut self, spacing: i32)
pub fn set_spacing(&mut self, spacing: i32)
Set the spacing of the pack
Examples found in repository?
examples/closable_tabs2.rs (line 48)
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pub fn new(x: i32, y: i32, w: i32, h: i32, snd: &'a app::Sender<Message>) -> Self {
let current = None;
let parent_grp = group::Group::new(x, y, w, h, None);
let mut tab_labels = group::Pack::new(x + 5, y, w - 10, 40, None);
tab_labels.set_spacing(3);
tab_labels.set_type(group::PackType::Horizontal);
tab_labels.end();
let mut contents = group::Group::new(x, y + 40, w, h - 40, None);
contents.set_frame(FrameType::NoBox);
contents.end();
parent_grp.end();
Self {
current,
snd,
contents,
tab_labels,
}
}
More examples
examples/format_text.rs (line 133)
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fn main() {
let style = Rc::from(RefCell::from(Style::new()));
let app = App::default().with_scheme(Scheme::Gleam);
let mut wind = Window::default()
.with_size(500, 200)
.with_label("Highlight");
let mut vpack = Pack::new(4, 4, 492, 192, "");
vpack.set_spacing(4);
let mut text_editor = TextEditor::default().with_size(492, 163);
let mut hpack = Pack::new(4, 4, 492, 25, "").with_type(PackType::Horizontal);
hpack.set_spacing(8);
let mut font = Choice::default().with_size(130, 25);
let mut choice = Choice::default().with_size(130, 25);
let mut size = Spinner::default().with_size(60, 25);
let mut color = Choice::default().with_size(100, 25);
let mut btn_clear = Button::default().with_size(40, 25).with_label("X");
hpack.end();
vpack.end();
wind.end();
wind.show();
text_editor.wrap_mode(fltk::text::WrapMode::AtBounds, 0);
text_editor.set_buffer(TextBuffer::default());
font.add_choice("Courier|Helvetica|Times");
font.set_value(0);
font.set_tooltip("Font");
choice.add_choice("Normal|Underline|Strike");
choice.set_value(0);
size.set_value(18.0);
size.set_step(1.0);
size.set_range(12.0, 28.0);
size.set_tooltip("Size");
color.set_tooltip("Color");
color.add_choice("#000000|#ff0000|#00ff00|#0000ff|#ffff00|#00ffff");
color.set_value(0);
btn_clear.set_label_color(Color::Red);
btn_clear.set_tooltip("Clear style");
// set colors
for mut item in color.clone() {
if let Some(lbl) = item.label() {
item.set_label_color(Color::from_u32(
u32::from_str_radix(lbl.trim().strip_prefix('#').unwrap(), 16)
.ok()
.unwrap(),
));
}
}
let style_rc1 = Rc::clone(&style);
text_editor.buffer().unwrap().add_modify_callback({
let mut text_editor1 = text_editor.clone();
let font1 = font.clone();
let size1 = size.clone();
let color1 = color.clone();
let choice1 = choice.clone();
move |pos: i32, ins_items: i32, del_items: i32, _: i32, _: &str| {
let attr = if choice1.value() == 1 {
TextAttr::Underline
} else if choice1.value() == 2 {
TextAttr::StrikeThrough
} else {
TextAttr::None
};
if ins_items > 0 || del_items > 0 {
let mut style = style_rc1.borrow_mut();
let color = Color::from_u32(
u32::from_str_radix(
color1
.text(color1.value())
.unwrap()
.trim()
.strip_prefix('#')
.unwrap(),
16,
)
.ok()
.unwrap(),
);
style.apply_style(
Some(pos),
Some(ins_items),
Some(del_items),
None,
None,
Font::by_name(font1.text(font1.value()).unwrap().trim()),
size1.value() as i32,
color,
attr,
&mut text_editor1,
);
}
}
});
color.set_callback({
let size = size.clone();
let font = font.clone();
let choice = choice.clone();
let mut text_editor = text_editor.clone();
let style_rc1 = Rc::clone(&style);
move |color| {
let attr = match choice.value() {
0 => TextAttr::None,
1 => TextAttr::Underline,
2 => TextAttr::StrikeThrough,
_ => unreachable!(),
};
if let Some(buf) = text_editor.buffer() {
if let Some((s, e)) = buf.selection_position() {
let mut style = style_rc1.borrow_mut();
let color = Color::from_u32(
u32::from_str_radix(
color
.text(color.value())
.unwrap()
.trim()
.strip_prefix('#')
.unwrap(),
16,
)
.ok()
.unwrap(),
);
style.apply_style(
None,
None,
None,
Some(s),
Some(e),
Font::by_name(font.text(font.value()).unwrap().trim()),
size.value() as i32,
color,
attr,
&mut text_editor,
);
}
}
}
});
// get the style from the current cursor position
text_editor.handle({
let style_rc1 = Rc::clone(&style);
let mut font1 = font.clone();
let mut size1 = size.clone();
let mut color1 = color.clone();
move |te, e| match e {
Event::KeyUp | Event::Released => {
if let Some(buff) = te.style_buffer() {
let i = te.insert_position();
if let Some(t) = buff.text_range(i, i + 1) {
if !t.is_empty() {
let style = style_rc1.borrow_mut();
if let Some(i) = t.chars().next().map(|c| (c as usize - 65)) {
if let Some(style) = style.style_table.get(i) {
if let Some(mn) = font1.find_item(&format!("{:?}", style.font))
{
font1.set_item(&mn);
}
size1.set_value(style.size as f64);
let (r, g, b) = style.color.to_rgb();
if let Some(mn) =
color1.find_item(format!("{r:02x}{g:02x}{b:02x}").as_str())
{
color1.set_item(&mn);
}
}
}
}
}
}
true
}
_ => false,
}
});
choice.set_callback({
let mut color1 = color.clone();
move |_| color1.do_callback()
});
font.set_callback({
let mut color1 = color.clone();
move |_| color1.do_callback()
});
size.set_callback({
let mut color1 = color.clone();
move |_| color1.do_callback()
});
// clear style of the current selection or, if no text is selected, clear all text style
btn_clear.set_callback({
let style_rc1 = Rc::clone(&style);
let text_editor1 = text_editor.clone();
move |_| {
match text_editor1.buffer().unwrap().selection_position() {
Some((_, _)) => {
font.set_value(0);
size.set_value(18.0);
color.set_value(0);
choice.set_value(0);
color.do_callback();
}
None => {
font.set_value(0);
size.set_value(18.0);
color.set_value(0);
style_rc1.borrow_mut().apply_style(
None,
None,
None,
Some(0),
Some(text_editor1.buffer().unwrap().length()),
Font::Courier,
16,
Color::Black,
TextAttr::None,
&mut text_editor,
);
}
};
}
});
app.run().unwrap();
}
sourcepub fn auto_layout(&mut self)
pub fn auto_layout(&mut self)
Layout the children of the pack automatically. Must be called on existing children
Examples found in repository?
examples/custom_popup.rs (line 73)
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pub fn new(choices: &[&str]) -> Self {
let val = Rc::from(RefCell::from(String::from("")));
let mut win = window::Window::default().with_size(120, choices.len() as i32 * 25);
let mut pack = group::Pack::default().size_of_parent();
pack.set_frame(FrameType::ThinUpFrame);
pack.set_color(Color::Black);
win.set_border(false);
win.make_modal(true);
win.end();
for choice in choices {
let mut but = PopupButton::new(choice);
but.clear_visible_focus();
but.set_callback({
let mut win = win.clone();
let val = val.clone();
move |b| {
*val.borrow_mut() = b.label();
win.hide();
}
});
pack.add(&*but);
}
pack.auto_layout();
Self { win, val }
}
More examples
examples/custom_choice.rs (line 79)
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pub fn new(choices: &[&str]) -> Self {
let val = Rc::from(RefCell::from(String::from("")));
let idx = RefCell::from(0);
let mut win = window::Window::default().with_size(120, choices.len() as i32 * 25);
win.set_color(Color::White);
win.set_frame(FrameType::BorderBox);
let mut pack = group::Pack::new(1, 1, win.w() - 2, win.h() - 2, None);
win.set_border(false);
win.end();
for (i, choice) in choices.iter().enumerate() {
let mut but = PopupButton::new(choice);
but.clear_visible_focus();
but.set_callback({
let mut win = win.clone();
let val = val.clone();
let idx = idx.clone();
move |b| {
*val.borrow_mut() = b.label();
*idx.borrow_mut() = i as i32;
win.hide();
}
});
pack.add(&*but);
}
pack.auto_layout();
win.handle(|w, ev| match ev {
Event::Unfocus => {
w.hide();
true
}
_ => false,
});
Self { win, val, idx }
}
Trait Implementations§
source§impl GroupExt for Pack
impl GroupExt for Pack
source§fn find<W: WidgetExt>(&self, widget: &W) -> i32
fn find<W: WidgetExt>(&self, widget: &W) -> i32
Find a widget within a group and return its index
source§fn insert<W: WidgetExt>(&mut self, widget: &W, index: i32)
fn insert<W: WidgetExt>(&mut self, widget: &W, index: i32)
Insert a widget to a group at a certain index
source§fn remove<W: WidgetExt>(&mut self, widget: &W)
fn remove<W: WidgetExt>(&mut self, widget: &W)
Remove a widget from a group, but does not delete it
source§fn remove_by_index(&mut self, idx: i32)
fn remove_by_index(&mut self, idx: i32)
Remove a child widget by its index
source§fn resizable<W: WidgetExt>(&self, widget: &W)
fn resizable<W: WidgetExt>(&self, widget: &W)
The resizable widget defines both the resizing frame and the resizing behavior of the group and its children.
source§fn make_resizable(&mut self, val: bool)
fn make_resizable(&mut self, val: bool)
Make the group itself resizable, should be called before the widget is shown
source§fn add_resizable<W: WidgetExt>(&mut self, widget: &W)
fn add_resizable<W: WidgetExt>(&mut self, widget: &W)
Adds a widget to the group and makes it the resizable widget
source§fn set_clip_children(&mut self, flag: bool)
fn set_clip_children(&mut self, flag: bool)
Clips children outside the group boundaries
source§fn clip_children(&self) -> bool
fn clip_children(&self) -> bool
Get whether
clip_children
is setsource§fn draw_child<W: WidgetExt>(&self, w: &mut W)
fn draw_child<W: WidgetExt>(&self, w: &mut W)
Draw a child widget, the call should be in a
WidgetBase::draw
methodsource§fn update_child<W: WidgetExt>(&self, w: &mut W)
fn update_child<W: WidgetExt>(&self, w: &mut W)
Update a child widget, the call should be in a
WidgetBase::draw
methodsource§fn draw_outside_label<W: WidgetExt>(&self, w: &mut W)
fn draw_outside_label<W: WidgetExt>(&self, w: &mut W)
Draw the outside label, the call should be in a
WidgetBase::draw
methodsource§fn draw_children(&mut self)
fn draw_children(&mut self)
Draw children, the call should be in a
WidgetBase::draw
methodsource§fn init_sizes(&mut self)
fn init_sizes(&mut self)
Resets the internal array of widget sizes and positions
source§fn bounds(&self) -> Vec<(i32, i32, i32, i32)>
fn bounds(&self) -> Vec<(i32, i32, i32, i32)>
Get the bounds of all children widgets (left, upper, right, bottom)
source§unsafe fn into_group(&self) -> Group
unsafe fn into_group(&self) -> Group
Converts a widget implementing GroupExt into a Group widget Read more
source§impl IntoIterator for Pack
impl IntoIterator for Pack
source§impl PartialEq for Pack
impl PartialEq for Pack
source§impl WidgetBase for Pack
impl WidgetBase for Pack
source§fn new<T: Into<Option<&'static str>>>(
x: i32,
y: i32,
width: i32,
height: i32,
title: T
) -> Pack
fn new<T: Into<Option<&'static str>>>( x: i32, y: i32, width: i32, height: i32, title: T ) -> Pack
Creates a new widget, takes an x, y coordinates, as well as a width and height, plus a title Read more
source§fn default_fill() -> Self
fn default_fill() -> Self
Constructs a widget with the size of its parent
source§unsafe fn from_widget_ptr(ptr: *mut Fl_Widget) -> Self
unsafe fn from_widget_ptr(ptr: *mut Fl_Widget) -> Self
transforms a widget pointer to a Widget, for internal use Read more
source§unsafe fn from_widget<W: WidgetExt>(w: W) -> Self
unsafe fn from_widget<W: WidgetExt>(w: W) -> Self
Get a widget from base widget Read more
source§fn handle<F: FnMut(&mut Self, Event) -> bool + 'static>(&mut self, cb: F)
fn handle<F: FnMut(&mut Self, Event) -> bool + 'static>(&mut self, cb: F)
Set a custom handler, where events are managed manually, akin to
Fl_Widget::handle(int)
.
Handled or ignored events should return true, unhandled events should return false.
takes the widget as a closure argument.
The ability to handle an event might depend on handling other events, as explained heresource§fn draw<F: FnMut(&mut Self) + 'static>(&mut self, cb: F)
fn draw<F: FnMut(&mut Self) + 'static>(&mut self, cb: F)
Set a custom draw method.
takes the widget as a closure argument.
macOS requires that
WidgetBase::draw
actually calls drawing functionssource§fn resize_callback<F: FnMut(&mut Self, i32, i32, i32, i32) + 'static>(
&mut self,
cb: F
)
fn resize_callback<F: FnMut(&mut Self, i32, i32, i32, i32) + 'static>( &mut self, cb: F )
Perform a callback on resize.
Avoid resizing the parent or the same widget to avoid infinite recursion
source§unsafe fn assume_derived(&mut self)
unsafe fn assume_derived(&mut self)
Makes the widget derived Read more
source§impl WidgetExt for Pack
impl WidgetExt for Pack
source§fn with_label(self, title: &str) -> Self
fn with_label(self, title: &str) -> Self
Initialize with a label
source§fn with_align(self, align: Align) -> Self
fn with_align(self, align: Align) -> Self
Initialize with alignment
source§fn with_type<T: WidgetType>(self, typ: T) -> Self
fn with_type<T: WidgetType>(self, typ: T) -> Self
Initialize with type
source§fn below_of<W: WidgetExt>(self, wid: &W, padding: i32) -> Self
fn below_of<W: WidgetExt>(self, wid: &W, padding: i32) -> Self
Initialize at bottom of another widget
source§fn above_of<W: WidgetExt>(self, wid: &W, padding: i32) -> Self
fn above_of<W: WidgetExt>(self, wid: &W, padding: i32) -> Self
Initialize above of another widget
source§fn right_of<W: WidgetExt>(self, wid: &W, padding: i32) -> Self
fn right_of<W: WidgetExt>(self, wid: &W, padding: i32) -> Self
Initialize right of another widget
source§fn left_of<W: WidgetExt>(self, wid: &W, padding: i32) -> Self
fn left_of<W: WidgetExt>(self, wid: &W, padding: i32) -> Self
Initialize left of another widget
source§fn center_of_parent(self) -> Self
fn center_of_parent(self) -> Self
Initialize center of parent
source§fn size_of_parent(self) -> Self
fn size_of_parent(self) -> Self
Initialize to the size of the parent
source§fn set_label(&mut self, title: &str)
fn set_label(&mut self, title: &str)
Sets the widget’s label.
labels support special symbols preceded by an
@
sign.
and for the associated formatting.source§fn measure_label(&self) -> (i32, i32)
fn measure_label(&self) -> (i32, i32)
Measures the label’s width and height
source§fn as_widget_ptr(&self) -> *mut Fl_Widget
fn as_widget_ptr(&self) -> *mut Fl_Widget
transforms a widget to a base
Fl_Widget
, for internal usesource§fn deactivate(&mut self)
fn deactivate(&mut self)
Deactivates the widget
source§fn redraw_label(&mut self)
fn redraw_label(&mut self)
Redraws the label of the widget
source§fn resize(&mut self, x: i32, y: i32, width: i32, height: i32)
fn resize(&mut self, x: i32, y: i32, width: i32, height: i32)
Resizes and/or moves the widget, takes x, y, width and height
source§fn widget_resize(&mut self, x: i32, y: i32, width: i32, height: i32)
fn widget_resize(&mut self, x: i32, y: i32, width: i32, height: i32)
Does a simple resize ignoring class-specific resize functionality
source§fn set_tooltip(&mut self, txt: &str)
fn set_tooltip(&mut self, txt: &str)
Sets the tooltip text
source§fn label_color(&self) -> Color
fn label_color(&self) -> Color
Returns the widget label’s color
source§fn set_label_color(&mut self, color: Color)
fn set_label_color(&mut self, color: Color)
Sets the widget label’s color
source§fn label_font(&self) -> Font
fn label_font(&self) -> Font
Returns the widget label’s font
source§fn set_label_font(&mut self, font: Font)
fn set_label_font(&mut self, font: Font)
Sets the widget label’s font
source§fn label_size(&self) -> i32
fn label_size(&self) -> i32
Returns the widget label’s size
source§fn set_label_size(&mut self, sz: i32)
fn set_label_size(&mut self, sz: i32)
Sets the widget label’s size
source§fn label_type(&self) -> LabelType
fn label_type(&self) -> LabelType
Returns the widget label’s type
source§fn set_label_type(&mut self, typ: LabelType)
fn set_label_type(&mut self, typ: LabelType)
Sets the widget label’s type
source§fn set_changed(&mut self)
fn set_changed(&mut self)
Mark the widget as changed
source§fn clear_changed(&mut self)
fn clear_changed(&mut self)
Clears the changed status of the widget
source§fn set_trigger(&mut self, trigger: CallbackTrigger)
fn set_trigger(&mut self, trigger: CallbackTrigger)
Sets the default callback trigger for a widget, equivalent to
when()
source§fn trigger(&self) -> CallbackTrigger
fn trigger(&self) -> CallbackTrigger
Return the callback trigger, equivalent to
when()
source§fn selection_color(&self) -> Color
fn selection_color(&self) -> Color
Gets the selection color of the widget
source§fn set_selection_color(&mut self, color: Color)
fn set_selection_color(&mut self, color: Color)
Sets the selection color of the widget
source§fn do_callback(&mut self)
fn do_callback(&mut self)
Runs the already registered callback
source§fn top_window(&self) -> Option<Box<dyn WindowExt>>
fn top_window(&self) -> Option<Box<dyn WindowExt>>
Returns the topmost window holding the widget
source§fn takes_events(&self) -> bool
fn takes_events(&self) -> bool
Checks whether a widget is capable of taking events
source§fn set_visible_focus(&mut self)
fn set_visible_focus(&mut self)
Set the widget to have visible focus
source§fn clear_visible_focus(&mut self)
fn clear_visible_focus(&mut self)
Clear visible focus
source§fn visible_focus(&mut self, v: bool)
fn visible_focus(&mut self, v: bool)
Set the visible focus using a flag
source§fn has_visible_focus(&self) -> bool
fn has_visible_focus(&self) -> bool
Return whether the widget has visible focus
source§fn was_deleted(&self) -> bool
fn was_deleted(&self) -> bool
Check if a widget was deleted
source§fn set_damage(&mut self, flag: bool)
fn set_damage(&mut self, flag: bool)
Signal the widget as damaged and it should be redrawn in the next event loop cycle
source§fn damage_type(&self) -> Damage
fn damage_type(&self) -> Damage
Return the damage mask
source§fn set_damage_type(&mut self, mask: Damage)
fn set_damage_type(&mut self, mask: Damage)
Signal the type of damage a widget received
source§fn set_damage_area(&mut self, mask: Damage, x: i32, y: i32, w: i32, h: i32)
fn set_damage_area(&mut self, mask: Damage, x: i32, y: i32, w: i32, h: i32)
Signal damage for an area inside the widget
source§fn clear_damage(&mut self)
fn clear_damage(&mut self)
Clear the damaged flag
source§fn as_window(&self) -> Option<Box<dyn WindowExt>>
fn as_window(&self) -> Option<Box<dyn WindowExt>>
Return the widget as a window if it’s a window
source§fn as_group(&self) -> Option<Group>
fn as_group(&self) -> Option<Group>
Return the widget as a group widget if it’s a group widget
source§fn inside<W: WidgetExt>(&self, wid: &W) -> bool
fn inside<W: WidgetExt>(&self, wid: &W) -> bool
Checks whether the self widget is inside another widget
source§fn get_type<T: WidgetType>(&self) -> T
fn get_type<T: WidgetType>(&self) -> T
Returns the widget type when applicable
source§fn set_type<T: WidgetType>(&mut self, typ: T)
fn set_type<T: WidgetType>(&mut self, typ: T)
Sets the widget type
source§fn set_image_scaled<I: ImageExt>(&mut self, image: Option<I>)
fn set_image_scaled<I: ImageExt>(&mut self, image: Option<I>)
Sets the image of the widget scaled to the widget’s size
source§unsafe fn image_mut(&self) -> Option<&mut Image>
unsafe fn image_mut(&self) -> Option<&mut Image>
Get a reference type of the widget’s image Read more
source§fn set_deimage<I: ImageExt>(&mut self, image: Option<I>)
fn set_deimage<I: ImageExt>(&mut self, image: Option<I>)
Sets the deactivated image of the widget
source§fn set_deimage_scaled<I: ImageExt>(&mut self, image: Option<I>)
fn set_deimage_scaled<I: ImageExt>(&mut self, image: Option<I>)
Sets the deactivated image of the widget scaled to the widget’s size
source§fn deimage(&self) -> Option<Box<dyn ImageExt>>
fn deimage(&self) -> Option<Box<dyn ImageExt>>
Gets the deactivated image associated with the widget
source§unsafe fn deimage_mut(&self) -> Option<&mut Image>
unsafe fn deimage_mut(&self) -> Option<&mut Image>
Get a reference type of the widget’s deactivated image Read more
source§fn set_callback<F: FnMut(&mut Self) + 'static>(&mut self, cb: F)
fn set_callback<F: FnMut(&mut Self) + 'static>(&mut self, cb: F)
Sets the callback when the widget is triggered (clicks for example)
takes the widget as a closure argument
source§fn emit<T: 'static + Clone + Send + Sync>(&mut self, sender: Sender<T>, msg: T)
fn emit<T: 'static + Clone + Send + Sync>(&mut self, sender: Sender<T>, msg: T)
Emits a message on callback using a sender
source§unsafe fn into_widget<W: WidgetBase>(&self) -> W
unsafe fn into_widget<W: WidgetBase>(&self) -> W
Upcast a
WidgetExt
to some widget type Read moresource§fn visible_r(&self) -> bool
fn visible_r(&self) -> bool
Returns whether a widget or any of its parents are visible (recursively)
source§fn is_same<W: WidgetExt>(&self, other: &W) -> bool
fn is_same<W: WidgetExt>(&self, other: &W) -> bool
Return whether two widgets object point to the same widget
source§fn active_r(&self) -> bool
fn active_r(&self) -> bool
Returns whether a widget or any of its parents are active (recursively)
source§fn handle_event(&mut self, event: Event) -> bool
fn handle_event(&mut self, event: Event) -> bool
Handle a specific event
source§fn is_derived(&self) -> bool
fn is_derived(&self) -> bool
Check whether a widget is derived
source§fn as_base_widget(&self) -> Widgetwhere
Self: Sized,
fn as_base_widget(&self) -> Widgetwhere Self: Sized,
Upcast a
WidgetExt
to a Widgetimpl Eq for Pack
impl Send for Pack
Available on non-crate feature
single-threaded
only.impl Sync for Pack
Available on non-crate feature
single-threaded
only.Auto Trait Implementations§
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source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more