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graphbook: Use a scrolledwindow instead of ViewPort

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In order to support the zoom, the graphbook must be
a scrolled window and not a ViewPort
This commit is contained in:
Stéphane Cerveau 2024-05-27 13:43:19 +02:00
parent c60fbf8342
commit c309e94db2
1 changed files with 11 additions and 7 deletions
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18
src/graphbook.rs
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@ -19,13 +19,14 @@ use gtk::{gio, glib, graphene};
use std::cell::{Cell, Ref, RefCell}; use std::cell::{Cell, Ref, RefCell};
use std::path::Path; use std::path::Path;
#[derive(Debug, Clone, Copy, PartialEq)] #[derive(Debug, Clone, Copy, PartialEq, Default)]
enum TabState { enum TabState {
#[default]
Undefined = 0, Undefined = 0,
Modified, Modified,
Saved, Saved,
} }
#[derive(Debug, Clone)] #[derive(Debug, Clone, Default)]
pub struct GraphTab { pub struct GraphTab {
graphview: RefCell<GM::GraphView>, graphview: RefCell<GM::GraphView>,
player: RefCell<GPS::Player>, player: RefCell<GPS::Player>,
@ -173,7 +174,7 @@ pub fn setup_graphbook(app: &GPSApp) {
graphbook.connect_switch_page(move |_book, widget, page| { graphbook.connect_switch_page(move |_book, widget, page| {
let graphview = widget let graphview = widget
.first_child() .first_child()
.expect("Unable to get the child from the graphbook, ie the graphview"); .expect("Unable to get the child from the graphbook, ie the scrolledWindow");
if let Ok(graphview) = graphview.dynamic_cast::<GM::GraphView>() { if let Ok(graphview) = graphview.dynamic_cast::<GM::GraphView>() {
let app = upgrade_weak!(app_weak); let app = upgrade_weak!(app_weak);
GPS_TRACE!("graphview.id() {} graphbook page {}", graphview.id(), page); GPS_TRACE!("graphview.id() {} graphbook page {}", graphview.id(), page);
@ -191,8 +192,11 @@ pub fn create_graphtab(app: &GPSApp, id: u32, name: Option<&str>) {
.builder .builder
.object("graphbook") .object("graphbook")
.expect("Couldn't get graphbook"); .expect("Couldn't get graphbook");
let drawing_area_window: gtk::Viewport = gtk::Viewport::builder().build();
drawing_area_window.set_child(Some(&*graphtab(app, id).graphview())); let scrollwindow = gtk::ScrolledWindow::builder()
.name("graphview_scroll")
.child(&*graphtab(app, id).graphview())
.build();
let tab_box = gtk::Box::new(gtk::Orientation::Horizontal, 0); let tab_box = gtk::Box::new(gtk::Orientation::Horizontal, 0);
let label = gt.widget_label(); let label = gt.widget_label();
@ -209,8 +213,8 @@ pub fn create_graphtab(app: &GPSApp, id: u32, name: Option<&str>) {
graphbook.remove_page(Some(current_graphtab(&app).id())); graphbook.remove_page(Some(current_graphtab(&app).id()));
})); }));
tab_box.append(&close_button); tab_box.append(&close_button);
graphbook.append_page(&drawing_area_window, Some(&tab_box)); graphbook.append_page(&scrollwindow, Some(&tab_box));
graphbook.set_tab_reorderable(&drawing_area_window, true); graphbook.set_tab_reorderable(&scrollwindow, true);
let app_weak = app.downgrade(); let app_weak = app.downgrade();
gt.graphview().connect_local( gt.graphview().connect_local(
"graph-updated", "graph-updated",