eww/crates/eww/src/widgets/widget_definitions.rs

649 lines
29 KiB
Rust

#![allow(clippy::option_map_unit_fn)]
use super::{run_command, BuilderArgs};
use crate::{enum_parse, error_handling_ctx, eww_state, resolve_block, util::list_difference, widgets::widget_node};
use anyhow::*;
use gdk::WindowExt;
use glib;
use gtk::{self, prelude::*, ImageExt};
use std::{cell::RefCell, collections::HashMap, rc::Rc, time::Duration};
use yuck::{
config::validate::ValidationError,
error::{AstError, AstResult, AstResultExt},
parser::from_ast::FromAst,
};
// TODO figure out how to
// TODO https://developer.gnome.org/gtk3/stable/GtkFixed.html
//// widget definitions
pub(super) fn widget_to_gtk_widget(bargs: &mut BuilderArgs) -> Result<gtk::Widget> {
let gtk_widget = match bargs.widget.name.as_str() {
"box" => build_gtk_box(bargs)?.upcast(),
"scale" => build_gtk_scale(bargs)?.upcast(),
"progress" => build_gtk_progress(bargs)?.upcast(),
"image" => build_gtk_image(bargs)?.upcast(),
"button" => build_gtk_button(bargs)?.upcast(),
"label" => build_gtk_label(bargs)?.upcast(),
"literal" => build_gtk_literal(bargs)?.upcast(),
"input" => build_gtk_input(bargs)?.upcast(),
"calendar" => build_gtk_calendar(bargs)?.upcast(),
"color-button" => build_gtk_color_button(bargs)?.upcast(),
"expander" => build_gtk_expander(bargs)?.upcast(),
"color-chooser" => build_gtk_color_chooser(bargs)?.upcast(),
"combo-box-text" => build_gtk_combo_box_text(bargs)?.upcast(),
"checkbox" => build_gtk_checkbox(bargs)?.upcast(),
"revealer" => build_gtk_revealer(bargs)?.upcast(),
"if-else" => build_if_else(bargs)?.upcast(),
_ => {
Err(AstError::ValidationError(ValidationError::UnknownWidget(bargs.widget.name_span, bargs.widget.name.to_string())))?
}
};
Ok(gtk_widget)
}
/// attributes that apply to all widgets
/// @widget widget
/// @desc these properties apply to _all_ widgets, and can be used anywhere!
pub(super) fn resolve_widget_attrs(bargs: &mut BuilderArgs, gtk_widget: &gtk::Widget) {
let css_provider = gtk::CssProvider::new();
if let Ok(visible) =
bargs.widget.get_attr("visible").and_then(|v| bargs.eww_state.resolve_once(v)?.as_bool().map_err(|e| anyhow!(e)))
{
connect_first_map(gtk_widget, move |w| {
if visible {
w.show();
} else {
w.hide();
}
})
}
let on_scroll_handler_id: Rc<RefCell<Option<glib::SignalHandlerId>>> = Rc::new(RefCell::new(None));
let on_hover_handler_id: Rc<RefCell<Option<glib::SignalHandlerId>>> = Rc::new(RefCell::new(None));
let cursor_hover_enter_handler_id: Rc<RefCell<Option<glib::SignalHandlerId>>> = Rc::new(RefCell::new(None));
let cursor_hover_leave_handler_id: Rc<RefCell<Option<glib::SignalHandlerId>>> = Rc::new(RefCell::new(None));
resolve_block!(bargs, gtk_widget, {
// @prop class - css class name
prop(class: as_string) {
let old_classes = gtk_widget.get_style_context().list_classes();
let old_classes = old_classes.iter().map(|x| x.as_str()).collect::<Vec<&str>>();
let new_classes = class.split(' ').collect::<Vec<_>>();
let (missing, new) = list_difference(&old_classes, &new_classes);
for class in missing {
gtk_widget.get_style_context().remove_class(class);
}
for class in new {
gtk_widget.get_style_context().add_class(class);
}
},
// @prop valign - how to align this vertically. possible values: $alignment
prop(valign: as_string) { gtk_widget.set_valign(parse_align(&valign)?) },
// @prop halign - how to align this horizontally. possible values: $alignment
prop(halign: as_string) { gtk_widget.set_halign(parse_align(&halign)?) },
// @prop width - width of this element. note that this can not restrict the size if the contents stretch it
prop(width: as_f64) { gtk_widget.set_size_request(width as i32, gtk_widget.get_allocated_height()) },
// @prop height - height of this element. note that this can not restrict the size if the contents stretch it
prop(height: as_f64) { gtk_widget.set_size_request(gtk_widget.get_allocated_width(), height as i32) },
// @prop active - If this widget can be interacted with
prop(active: as_bool = true) { gtk_widget.set_sensitive(active) },
// @prop tooltip - tooltip text (on hover)
prop(tooltip: as_string) {
gtk_widget.set_tooltip_text(Some(&tooltip));
},
// @prop visible - visibility of the widget
prop(visible: as_bool = true) {
// TODO how do i call this only after the widget has been mapped? this is actually an issue,....
if visible { gtk_widget.show(); } else { gtk_widget.hide(); }
},
// @prop style - inline css style applied to the widget
prop(style: as_string) {
gtk_widget.reset_style();
css_provider.load_from_data(format!("* {{ {} }}", style).as_bytes())?;
gtk_widget.get_style_context().add_provider(&css_provider, gtk::STYLE_PROVIDER_PRIORITY_APPLICATION)
},
// @prop timeout - timeout of the command
// @prop onscroll - event to execute when the user scrolls with the mouse over the widget. The placeholder `{}` used in the command will be replaced with either `up` or `down`.
prop(timeout: as_duration = Duration::from_millis(200), onscroll: as_string) {
gtk_widget.add_events(gdk::EventMask::SCROLL_MASK);
gtk_widget.add_events(gdk::EventMask::SMOOTH_SCROLL_MASK);
let old_id = on_scroll_handler_id.replace(Some(
gtk_widget.connect_scroll_event(move |_, evt| {
run_command(timeout, &onscroll, if evt.get_delta().1 < 0f64 { "up" } else { "down" });
gtk::Inhibit(false)
})
));
old_id.map(|id| gtk_widget.disconnect(id));
},
// @prop timeout - timeout of the command
// @prop onhover - event to execute when the user hovers over the widget
prop(timeout: as_duration = Duration::from_millis(200),onhover: as_string) {
gtk_widget.add_events(gdk::EventMask::ENTER_NOTIFY_MASK);
let old_id = on_hover_handler_id.replace(Some(
gtk_widget.connect_enter_notify_event(move |_, evt| {
run_command(timeout, &onhover, format!("{} {}", evt.get_position().0, evt.get_position().1));
gtk::Inhibit(false)
})
));
old_id.map(|id| gtk_widget.disconnect(id));
},
// @prop cursor - Cursor to show while hovering (see [gtk3-cursors](https://developer.gnome.org/gdk3/stable/gdk3-Cursors.html) for possible names)
prop(cursor: as_string) {
gtk_widget.add_events(gdk::EventMask::ENTER_NOTIFY_MASK);
cursor_hover_enter_handler_id.replace(Some(
gtk_widget.connect_enter_notify_event(move |widget, _evt| {
let display = gdk::Display::get_default();
let gdk_window = widget.get_window();
if let (Some(display), Some(gdk_window)) = (display, gdk_window) {
gdk_window.set_cursor(gdk::Cursor::from_name(&display, &cursor).as_ref());
}
gtk::Inhibit(false)
})
)).map(|id| gtk_widget.disconnect(id));
cursor_hover_leave_handler_id.replace(Some(
gtk_widget.connect_leave_notify_event(move |widget, _evt| {
let gdk_window = widget.get_window();
if let Some(gdk_window) = gdk_window {
gdk_window.set_cursor(None);
}
gtk::Inhibit(false)
})
)).map(|id| gtk_widget.disconnect(id));
},
});
}
/// @widget !container
pub(super) fn resolve_container_attrs(bargs: &mut BuilderArgs, gtk_widget: &gtk::Container) {
resolve_block!(bargs, gtk_widget, {
// @prop vexpand - should this container expand vertically
prop(vexpand: as_bool = false) { gtk_widget.set_vexpand(vexpand) },
// @prop hexpand - should this container expand horizontally
prop(hexpand: as_bool = false) { gtk_widget.set_hexpand(hexpand) },
});
}
/// @widget !range
pub(super) fn resolve_range_attrs(bargs: &mut BuilderArgs, gtk_widget: &gtk::Range) {
let on_change_handler_id: Rc<RefCell<Option<glib::SignalHandlerId>>> = Rc::new(RefCell::new(None));
gtk_widget.set_sensitive(false);
// only allow changing the value via the value property if the user isn't currently dragging
let is_being_dragged = Rc::new(RefCell::new(false));
gtk_widget.connect_button_press_event(glib::clone!(@strong is_being_dragged => move |_, _| {
*is_being_dragged.borrow_mut() = true;
gtk::Inhibit(false)
}));
gtk_widget.connect_button_release_event(glib::clone!(@strong is_being_dragged => move |_, _| {
*is_being_dragged.borrow_mut() = false;
gtk::Inhibit(false)
}));
resolve_block!(bargs, gtk_widget, {
// @prop value - the value
prop(value: as_f64) {
if !*is_being_dragged.borrow() {
gtk_widget.set_value(value)
}
},
// @prop min - the minimum value
prop(min: as_f64) { gtk_widget.get_adjustment().set_lower(min)},
// @prop max - the maximum value
prop(max: as_f64) { gtk_widget.get_adjustment().set_upper(max)},
// @prop timeout - timeout of the command
// @prop onchange - command executed once the value is changes. The placeholder `{}`, used in the command will be replaced by the new value.
prop(timeout: as_duration = Duration::from_millis(200), onchange: as_string) {
gtk_widget.set_sensitive(true);
gtk_widget.add_events(gdk::EventMask::ENTER_NOTIFY_MASK);
let old_id = on_change_handler_id.replace(Some(
gtk_widget.connect_value_changed(move |gtk_widget| {
run_command(timeout, &onchange, gtk_widget.get_value());
})
));
old_id.map(|id| gtk_widget.disconnect(id));
}
});
}
/// @widget !orientable
pub(super) fn resolve_orientable_attrs(bargs: &mut BuilderArgs, gtk_widget: &gtk::Range) {
resolve_block!(bargs, gtk_widget, {
// @prop orientation - orientation of the widget. Possible values: $orientation
prop(orientation: as_string) { gtk_widget.set_orientation(parse_orientation(&orientation)?) },
});
}
// concrete widgets
fn build_if_else(bargs: &mut BuilderArgs) -> Result<gtk::Box> {
if bargs.widget.children.len() != 2 {
bail!("if-widget needs to have exactly two children, but had {}", bargs.widget.children.len());
}
let gtk_widget = gtk::Box::new(gtk::Orientation::Vertical, 0);
let (yes_widget, no_widget) = (bargs.widget.children[0].clone(), bargs.widget.children[1].clone());
let yes_widget = yes_widget.render(bargs.eww_state, bargs.window_name, bargs.widget_definitions)?;
let no_widget = no_widget.render(bargs.eww_state, bargs.window_name, bargs.widget_definitions)?;
resolve_block!(bargs, gtk_widget, {
prop(cond: as_bool) {
gtk_widget.get_children().iter().for_each(|w| gtk_widget.remove(w));
if cond {
gtk_widget.add(&yes_widget)
} else {
gtk_widget.add(&no_widget)
}
}
});
Ok(gtk_widget)
}
/// @widget combo-box-text
/// @desc A combo box allowing the user to choose between several items.
fn build_gtk_combo_box_text(bargs: &mut BuilderArgs) -> Result<gtk::ComboBoxText> {
let gtk_widget = gtk::ComboBoxText::new();
let on_change_handler_id: Rc<RefCell<Option<glib::SignalHandlerId>>> = Rc::new(RefCell::new(None));
resolve_block!(bargs, gtk_widget, {
// @prop items - Items that should be displayed in the combo box
prop(items: as_vec) {
gtk_widget.remove_all();
for i in items {
gtk_widget.append_text(&i);
}
},
// @prop timeout - timeout of the command
// @prop onchange - runs the code when a item was selected, replacing {} with the item as a string
prop(timeout: as_duration = Duration::from_millis(200), onchange: as_string) {
let old_id = on_change_handler_id.replace(Some(
gtk_widget.connect_changed(move |gtk_widget| {
run_command(timeout, &onchange, gtk_widget.get_active_text().unwrap_or_else(|| "".into()));
})
));
old_id.map(|id| gtk_widget.disconnect(id));
},
});
Ok(gtk_widget)
}
/// @widget expander extends container
/// @desc A widget that can expand and collapse, showing/hiding it's children.
fn build_gtk_expander(bargs: &mut BuilderArgs) -> Result<gtk::Expander> {
let gtk_widget = gtk::Expander::new(None);
resolve_block!(bargs, gtk_widget, {
// @prop name - name of the expander
prop(name: as_string) {gtk_widget.set_label(Some(&name));},
// @prop expanded - sets if the tree is expanded
prop(expanded: as_bool) { gtk_widget.set_expanded(expanded); }
});
Ok(gtk_widget)
}
/// @widget revealer extends container
/// @desc A widget that can reveal a child with an animation.
fn build_gtk_revealer(bargs: &mut BuilderArgs) -> Result<gtk::Revealer> {
let gtk_widget = gtk::Revealer::new();
resolve_block!(bargs, gtk_widget, {
// @prop transition - the name of the transition. Possible values: $transition
prop(transition: as_string = "crossfade") { gtk_widget.set_transition_type(parse_transition(&transition)?); },
// @prop reveal - sets if the child is revealed or not
prop(reveal: as_bool) { gtk_widget.set_reveal_child(reveal); },
// @prop duration - the duration of the reveal transition
prop(duration: as_duration = Duration::from_millis(500)) { gtk_widget.set_transition_duration(duration.as_millis() as u32); },
});
Ok(gtk_widget)
}
/// @widget a checkbox
/// @desc A checkbox that can trigger events on checked / unchecked.
fn build_gtk_checkbox(bargs: &mut BuilderArgs) -> Result<gtk::CheckButton> {
let gtk_widget = gtk::CheckButton::new();
let on_change_handler_id: Rc<RefCell<Option<glib::SignalHandlerId>>> = Rc::new(RefCell::new(None));
resolve_block!(bargs, gtk_widget, {
// @prop timeout - timeout of the command
// @prop onchecked - action (command) to be executed when checked by the user
// @prop onunchecked - similar to onchecked but when the widget is unchecked
prop(timeout: as_duration = Duration::from_millis(200), onchecked: as_string = "", onunchecked: as_string = "") {
let old_id = on_change_handler_id.replace(Some(
gtk_widget.connect_toggled(move |gtk_widget| {
run_command(timeout, if gtk_widget.get_active() { &onchecked } else { &onunchecked }, "");
})
));
old_id.map(|id| gtk_widget.disconnect(id));
}
});
Ok(gtk_widget)
}
/// @widget color-button
/// @desc A button opening a color chooser window
fn build_gtk_color_button(bargs: &mut BuilderArgs) -> Result<gtk::ColorButton> {
let gtk_widget = gtk::ColorButtonBuilder::new().build();
let on_change_handler_id: Rc<RefCell<Option<glib::SignalHandlerId>>> = Rc::new(RefCell::new(None));
resolve_block!(bargs, gtk_widget, {
// @prop use-alpha - bool to whether or not use alpha
prop(use_alpha: as_bool) {gtk_widget.set_use_alpha(use_alpha);},
// @prop onchange - runs the code when the color was selected
// @prop timeout - timeout of the command
prop(timeout: as_duration = Duration::from_millis(200), onchange: as_string) {
let old_id = on_change_handler_id.replace(Some(
gtk_widget.connect_color_set(move |gtk_widget| {
run_command(timeout, &onchange, gtk_widget.get_rgba());
})
));
old_id.map(|id| gtk_widget.disconnect(id));
}
});
Ok(gtk_widget)
}
/// @widget color-chooser
/// @desc A color chooser widget
fn build_gtk_color_chooser(bargs: &mut BuilderArgs) -> Result<gtk::ColorChooserWidget> {
let gtk_widget = gtk::ColorChooserWidget::new();
let on_change_handler_id: Rc<RefCell<Option<glib::SignalHandlerId>>> = Rc::new(RefCell::new(None));
resolve_block!(bargs, gtk_widget, {
// @prop use-alpha - bool to wether or not use alpha
prop(use_alpha: as_bool) {gtk_widget.set_use_alpha(use_alpha);},
// @prop onchange - runs the code when the color was selected
// @prop timeout - timeout of the command
prop(timeout: as_duration = Duration::from_millis(200), onchange: as_string) {
let old_id = on_change_handler_id.replace(Some(
gtk_widget.connect_color_activated(move |_a, color| {
run_command(timeout, &onchange, *color);
})
));
old_id.map(|id| gtk_widget.disconnect(id));
}
});
Ok(gtk_widget)
}
/// @widget scale extends range
/// @desc A slider.
fn build_gtk_scale(bargs: &mut BuilderArgs) -> Result<gtk::Scale> {
let gtk_widget = gtk::Scale::new(gtk::Orientation::Horizontal, Some(&gtk::Adjustment::new(0.0, 0.0, 100.0, 1.0, 1.0, 1.0)));
resolve_block!(bargs, gtk_widget, {
// @prop flipped - flip the direction
prop(flipped: as_bool) { gtk_widget.set_inverted(flipped) },
// @prop draw-value - draw the value of the property
prop(draw_value: as_bool = false) { gtk_widget.set_draw_value(draw_value) },
});
Ok(gtk_widget)
}
/// @widget progress
/// @desc A progress bar
fn build_gtk_progress(bargs: &mut BuilderArgs) -> Result<gtk::ProgressBar> {
let gtk_widget = gtk::ProgressBar::new();
resolve_block!(bargs, gtk_widget, {
// @prop flipped - flip the direction
prop(flipped: as_bool) { gtk_widget.set_inverted(flipped) },
// @prop value - value of the progress bar (between 0-100)
prop(value: as_f64) { gtk_widget.set_fraction(value / 100f64) },
// @prop orientation - orientation of the progress bar. possible values: $orientation
prop(orientation: as_string) { gtk_widget.set_orientation(parse_orientation(&orientation)?) },
});
Ok(gtk_widget)
}
/// @widget input
/// @desc An input field. For this to be useful, set `focusable="true"` on the window.
fn build_gtk_input(bargs: &mut BuilderArgs) -> Result<gtk::Entry> {
let gtk_widget = gtk::Entry::new();
let on_change_handler_id: Rc<RefCell<Option<glib::SignalHandlerId>>> = Rc::new(RefCell::new(None));
resolve_block!(bargs, gtk_widget, {
// @prop value - the content of the text field
prop(value: as_string) {
gtk_widget.set_text(&value);
},
// @prop onchange - Command to run when the text changes. The placeholder `{}` will be replaced by the value
// @prop timeout - timeout of the command
prop(timeout: as_duration = Duration::from_millis(200), onchange: as_string) {
let old_id = on_change_handler_id.replace(Some(
gtk_widget.connect_changed(move |gtk_widget| {
run_command(timeout, &onchange, gtk_widget.get_text().to_string());
})
));
old_id.map(|id| gtk_widget.disconnect(id));
}
});
Ok(gtk_widget)
}
/// @widget button extends container
/// @desc A button
fn build_gtk_button(bargs: &mut BuilderArgs) -> Result<gtk::Button> {
let gtk_widget = gtk::Button::new();
let on_click_handler_id: Rc<RefCell<Option<glib::SignalHandlerId>>> = Rc::new(RefCell::new(None));
resolve_block!(bargs, gtk_widget, {
// @prop onclick - a command that get's run when the button is clicked
// @prop onmiddleclick - a command that get's run when the button is middleclicked
// @prop onrightclick - a command that get's run when the button is rightclicked
// @prop timeout - timeout of the command
prop(
timeout: as_duration = Duration::from_millis(200),
onclick: as_string = "",
onmiddleclick: as_string = "",
onrightclick: as_string = ""
) {
gtk_widget.add_events(gdk::EventMask::ENTER_NOTIFY_MASK);
let old_id = on_click_handler_id.replace(Some(
gtk_widget.connect_button_press_event(move |_, evt| {
match evt.get_button() {
1 => run_command(timeout, &onclick, ""),
2 => run_command(timeout, &onmiddleclick, ""),
3 => run_command(timeout, &onrightclick, ""),
_ => {},
}
gtk::Inhibit(false)
})
));
old_id.map(|id| gtk_widget.disconnect(id));
}
});
Ok(gtk_widget)
}
/// @widget image
/// @desc A widget displaying an image
fn build_gtk_image(bargs: &mut BuilderArgs) -> Result<gtk::Image> {
let gtk_widget = gtk::Image::new();
resolve_block!(bargs, gtk_widget, {
// @prop path - path to the image file
// @prop width - width of the image
// @prop height - height of the image
prop(path: as_string, width: as_i32 = 10000, height: as_i32 = 10000) {
if path.ends_with(".gif") {
let pixbuf_animation = gdk_pixbuf::PixbufAnimation::from_file(std::path::PathBuf::from(path))?;
gtk_widget.set_from_animation(&pixbuf_animation);
} else {
let pixbuf = gdk_pixbuf::Pixbuf::from_file_at_size(std::path::PathBuf::from(path), width, height)?;
gtk_widget.set_from_pixbuf(Some(&pixbuf));
}
}
});
Ok(gtk_widget)
}
/// @widget box extends container
/// @desc the main layout container
fn build_gtk_box(bargs: &mut BuilderArgs) -> Result<gtk::Box> {
let gtk_widget = gtk::Box::new(gtk::Orientation::Horizontal, 0);
resolve_block!(bargs, gtk_widget, {
// @prop spacing - spacing between elements
prop(spacing: as_i32 = 0) { gtk_widget.set_spacing(spacing) },
// @prop orientation - orientation of the box. possible values: $orientation
prop(orientation: as_string) { gtk_widget.set_orientation(parse_orientation(&orientation)?) },
// @prop space-evenly - space the widgets evenly.
prop(space_evenly: as_bool = true) { gtk_widget.set_homogeneous(space_evenly) },
});
Ok(gtk_widget)
}
/// @widget label
/// @desc A text widget giving you more control over how the text is displayed
fn build_gtk_label(bargs: &mut BuilderArgs) -> Result<gtk::Label> {
let gtk_widget = gtk::Label::new(None);
resolve_block!(bargs, gtk_widget, {
// @prop text - the text to display
// @prop limit-width - maximum count of characters to display
prop(text: as_string, limit_width: as_i32 = i32::MAX) {
let text = text.chars().take(limit_width as usize).collect::<String>();
let text = unescape::unescape(&text).context(format!("Failed to unescape label text {}", &text))?;
gtk_widget.set_text(&text);
},
// @prop markup - Pango markup to display
prop(markup: as_string) { gtk_widget.set_markup(&markup); },
// @prop wrap - Wrap the text. This mainly makes sense if you set the width of this widget.
prop(wrap: as_bool) { gtk_widget.set_line_wrap(wrap) },
// @prop angle - the angle of rotation for the label (between 0 - 360)
prop(angle: as_f64 = 0) { gtk_widget.set_angle(angle) }
});
Ok(gtk_widget)
}
/// @widget literal
/// @desc A widget that allows you to render arbitrary XML.
fn build_gtk_literal(bargs: &mut BuilderArgs) -> Result<gtk::Box> {
let gtk_widget = gtk::Box::new(gtk::Orientation::Vertical, 0);
gtk_widget.set_widget_name("literal");
// TODO these clones here are dumdum
let window_name = bargs.window_name.to_string();
let widget_definitions = bargs.widget_definitions.clone();
let literal_use_span = bargs.widget.span;
// the file id the literal-content has been stored under, for error reporting.
let literal_file_id: Rc<RefCell<Option<usize>>> = Rc::new(RefCell::new(None));
resolve_block!(bargs, gtk_widget, {
// @prop content - inline Eww XML that will be rendered as a widget.
prop(content: as_string) {
gtk_widget.get_children().iter().for_each(|w| gtk_widget.remove(w));
if !content.is_empty() {
let widget_node_result: AstResult<_> = try {
let ast = {
let mut yuck_files = error_handling_ctx::YUCK_FILES.write().unwrap();
let (span, asts) = yuck_files.load_str("<literal-content>".to_string(), content)?;
if let Some(file_id) = literal_file_id.replace(Some(span.2)) {
yuck_files.unload(file_id);
}
yuck::parser::require_single_toplevel(span, asts)?
};
let content_widget_use = yuck::config::widget_use::WidgetUse::from_ast(ast)?;
widget_node::generate_generic_widget_node(&widget_definitions, &HashMap::new(), content_widget_use)?
};
let widget_node = widget_node_result.context_label(literal_use_span, "Error in the literal used here")?;
let child_widget = widget_node.render(&mut eww_state::EwwState::default(), &window_name, &widget_definitions)
.map_err(|e| AstError::ErrorContext {
label_span: literal_use_span,
context: "Error in the literal used here".to_string(),
main_err: Box::new(error_handling_ctx::anyhow_err_to_diagnostic(&e))
})?;
gtk_widget.add(&child_widget);
child_widget.show();
}
}
});
Ok(gtk_widget)
}
/// @widget calendar
/// @desc A widget that displays a calendar
fn build_gtk_calendar(bargs: &mut BuilderArgs) -> Result<gtk::Calendar> {
let gtk_widget = gtk::Calendar::new();
let on_click_handler_id: Rc<RefCell<Option<glib::SignalHandlerId>>> = Rc::new(RefCell::new(None));
resolve_block!(bargs, gtk_widget, {
// @prop day - the selected day
prop(day: as_f64) { gtk_widget.set_property_day(day as i32) },
// @prop month - the selected month
prop(month: as_f64) { gtk_widget.set_property_day(month as i32) },
// @prop year - the selected year
prop(year: as_f64) { gtk_widget.set_property_day(year as i32) },
// @prop show-details - show details
prop(show_details: as_bool) { gtk_widget.set_property_show_details(show_details) },
// @prop show-heading - show heading line
prop(show_heading: as_bool) { gtk_widget.set_property_show_heading(show_heading) },
// @prop show-day-names - show names of days
prop(show_day_names: as_bool) { gtk_widget.set_property_show_day_names(show_day_names) },
// @prop show-week-numbers - show week numbers
prop(show_week_numbers: as_bool) { gtk_widget.set_property_show_week_numbers(show_week_numbers) },
// @prop onclick - command to run when the user selects a date. The `{}` placeholder will be replaced by the selected date.
// @prop timeout - timeout of the command
prop(timeout: as_duration = Duration::from_millis(200), onclick: as_string) {
let old_id = on_click_handler_id.replace(Some(
gtk_widget.connect_day_selected(move |w| {
run_command(
timeout,
&onclick,
format!("{}.{}.{}", w.get_property_day(), w.get_property_month(), w.get_property_year())
)
})
));
old_id.map(|id| gtk_widget.disconnect(id));
}
});
Ok(gtk_widget)
}
/// @var orientation - "vertical", "v", "horizontal", "h"
fn parse_orientation(o: &str) -> Result<gtk::Orientation> {
enum_parse! { "orientation", o,
"vertical" | "v" => gtk::Orientation::Vertical,
"horizontal" | "h" => gtk::Orientation::Horizontal,
}
}
/// @var transition - "slideright", "slideleft", "slideup", "slidedown", "crossfade", "none"
fn parse_transition(t: &str) -> Result<gtk::RevealerTransitionType> {
enum_parse! { "transition", t,
"slideright" => gtk::RevealerTransitionType::SlideRight,
"slideleft" => gtk::RevealerTransitionType::SlideLeft,
"slideup" => gtk::RevealerTransitionType::SlideUp,
"slidedown" => gtk::RevealerTransitionType::SlideDown,
"fade" | "crossfade" => gtk::RevealerTransitionType::Crossfade,
"none" => gtk::RevealerTransitionType::None,
}
}
/// @var alignment - "fill", "baseline", "center", "start", "end"
fn parse_align(o: &str) -> Result<gtk::Align> {
enum_parse! { "alignment", o,
"fill" => gtk::Align::Fill,
"baseline" => gtk::Align::Baseline,
"center" => gtk::Align::Center,
"start" => gtk::Align::Start,
"end" => gtk::Align::End,
}
}
fn connect_first_map<W: IsA<gtk::Widget>, F: Fn(&W) + 'static>(widget: &W, func: F) {
// TODO it would be better to actually remove the connect_map after first map,
// but that would be highly annoying to implement...
let is_first_map = std::rc::Rc::new(std::cell::RefCell::new(true));
widget.connect_map(move |w| {
if is_first_map.replace(false) {
func(w);
}
});
}