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Subclass gtk4::Window

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This commit is contained in:
Ian Douglas Scott 2021-08-26 21:54:51 -07:00
parent a1edaa2f62
commit 223b4c5ba0
2 changed files with 115 additions and 70 deletions
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4
src/main.rs
View file

@ -21,7 +21,7 @@ fn main() {
.unwrap()
.downcast::<gdk::Monitor>()
.unwrap();
window::window(monitor);
window::PanelWindow::new(monitor).show();
}
monitors.connect_items_changed(|monitors, position, _removed, added| {
@ -31,7 +31,7 @@ fn main() {
.unwrap()
.downcast::<gdk::Monitor>()
.unwrap();
window::window(monitor);
window::PanelWindow::new(monitor).show();
}
});

181
src/window.rs
View file

@ -1,47 +1,128 @@
use cascade::cascade;
use glib::clone;
use gtk4::{gdk, glib, prelude::*};
use gtk4::{gdk, glib, prelude::*, subclass::prelude::*};
use std::cell::Cell;
use crate::deref_cell::DerefCell;
use crate::status_area::StatusArea;
use crate::time_button::TimeButton;
use crate::x;
pub fn window(monitor: gdk::Monitor) -> gtk4::Window {
let box_ = cascade! {
gtk4::CenterBox::new();
..set_start_widget(Some(&cascade! {
gtk4::Box::new(gtk4::Orientation::Horizontal, 0);
..append(&gtk4::Button::with_label("Workspaces"));
..append(&gtk4::Button::with_label("Applications"));
#[derive(Default)]
pub struct PanelWindowInner {
size: Cell<Option<(i32, i32)>>,
monitor: DerefCell<gdk::Monitor>,
}
#[glib::object_subclass]
impl ObjectSubclass for PanelWindowInner {
const NAME: &'static str = "S76PanelWindow";
type ParentType = gtk4::Window;
type Type = PanelWindow;
}
impl ObjectImpl for PanelWindowInner {
fn constructed(&self, obj: &PanelWindow) {
let box_ = cascade! {
gtk4::CenterBox::new();
..set_start_widget(Some(&cascade! {
gtk4::Box::new(gtk4::Orientation::Horizontal, 0);
..append(&gtk4::Button::with_label("Workspaces"));
..append(&gtk4::Button::with_label("Applications"));
}));
..set_center_widget(Some(&TimeButton::new()));
..set_end_widget(Some(&StatusArea::new()));
};
cascade! {
obj;
..set_decorated(false);
..set_child(Some(&box_));
};
}
}
impl WidgetImpl for PanelWindowInner {
fn realize(&self, obj: &PanelWindow) {
self.parent_realize(obj);
let surface = obj.surface().unwrap();
surface.connect_layout(clone!(@weak obj => move |_surface, width, height| {
let size = Some((width, height));
if obj.inner().size.replace(size) != size {
println!("height: {}", height);
println!("width: {}", width);
}
}));
..set_center_widget(Some(&TimeButton::new()));
..set_end_widget(Some(&StatusArea::new()));
};
}
let window = cascade! {
gtk4::Window::new();
..set_decorated(false);
..set_child(Some(&box_));
..set_size_request(monitor.geometry().width, 0);
..connect_realize(|window| {
let surface = window.surface().unwrap();
let size = Cell::new(None);
surface.connect_layout(move |surface, width, height| {
if size.replace(Some((width, height))) != Some((width, height)) {
println!("height: {}", height);
println!("width: {}", width);
}
});
});
..show();
};
fn show(&self, obj: &PanelWindow) {
self.parent_show(obj);
fn monitor_geometry_changed(window: &gtk4::Window, monitor: &gdk::Monitor) {
let geometry = monitor.geometry();
window.set_size_request(geometry.width, 0);
if let Some((display, surface)) = x::get_window_x11(&obj.upcast_ref()) {
unsafe {
surface.set_skip_pager_hint(true);
surface.set_skip_taskbar_hint(true);
x::wm_state_add(&display, &surface, "_NET_WM_STATE_ABOVE");
x::wm_state_add(&display, &surface, "_NET_WM_STATE_STICKY");
x::change_property(
&display,
&surface,
"_NET_WM_ALLOWED_ACTIONS",
x::PropMode::Replace,
&[
x::Atom::new(&display, "_NET_WM_ACTION_CHANGE_DESKTOP").unwrap(),
x::Atom::new(&display, "_NET_WM_ACTION_ABOVE").unwrap(),
x::Atom::new(&display, "_NET_WM_ACTION_BELOW").unwrap(),
],
);
x::change_property(
&display,
&surface,
"_NET_WM_WINDOW_TYPE",
x::PropMode::Replace,
&[x::Atom::new(&display, "_NET_WM_WINDOW_TYPE_DOCK").unwrap()],
);
}
}
if let Some((display, surface)) = x::get_window_x11(&window) {
self.monitor
.connect_geometry_notify(clone!(@strong obj => move |_| {
obj.monitor_geometry_changed();
}));
obj.monitor_geometry_changed();
}
}
impl WindowImpl for PanelWindowInner {}
glib::wrapper! {
pub struct PanelWindow(ObjectSubclass<PanelWindowInner>)
@extends gtk4::Window, gtk4::Widget,
@implements gtk4::Accessible, gtk4::Buildable, gtk4::ConstraintTarget, gtk4::Native, gtk4::Root, gtk4::ShortcutManager;
}
impl PanelWindow {
pub fn new(monitor: gdk::Monitor) -> Self {
let obj = glib::Object::new::<Self>(&[]).unwrap();
monitor.connect_invalidate(clone!(@weak obj => move |_| obj.close()));
obj.set_size_request(monitor.geometry().width, 0);
obj.inner().monitor.set(monitor);
obj
}
fn inner(&self) -> &PanelWindowInner {
PanelWindowInner::from_instance(self)
}
fn monitor_geometry_changed(&self) {
let geometry = self.inner().monitor.geometry();
self.set_size_request(geometry.width, 0);
if let Some((display, surface)) = x::get_window_x11(self.upcast_ref()) {
let top: x::c_ulong = 32; // XXX arbitrary
let top_start_x = geometry.x as x::c_ulong;
let top_end_x = top_start_x + geometry.width as x::c_ulong - 1;
@ -59,40 +140,4 @@ pub fn window(monitor: gdk::Monitor) -> gtk4::Window {
}
}
}
if let Some((display, surface)) = x::get_window_x11(&window) {
unsafe {
surface.set_skip_pager_hint(true);
surface.set_skip_taskbar_hint(true);
x::wm_state_add(&display, &surface, "_NET_WM_STATE_ABOVE");
x::wm_state_add(&display, &surface, "_NET_WM_STATE_STICKY");
x::change_property(
&display,
&surface,
"_NET_WM_ALLOWED_ACTIONS",
x::PropMode::Replace,
&[
x::Atom::new(&display, "_NET_WM_ACTION_CHANGE_DESKTOP").unwrap(),
x::Atom::new(&display, "_NET_WM_ACTION_ABOVE").unwrap(),
x::Atom::new(&display, "_NET_WM_ACTION_BELOW").unwrap(),
],
);
x::change_property(
&display,
&surface,
"_NET_WM_WINDOW_TYPE",
x::PropMode::Replace,
&[x::Atom::new(&display, "_NET_WM_WINDOW_TYPE_DOCK").unwrap()],
);
}
}
monitor.connect_geometry_notify(clone!(@strong window => move |monitor| {
monitor_geometry_changed(&window, &monitor);
}));
monitor_geometry_changed(&window, &monitor);
monitor.connect_invalidate(clone!(@strong window => move |_| window.close()));
window
}