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app: rework menu and actions

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Use one popover menu parent with the mainwindow
Centralize the actions definition
Cleanup the code for more readabilty.
This commit is contained in:
Stéphane Cerveau 2022-01-07 17:46:28 +01:00
parent 9884a776b3
commit c1ba09814b
2 changed files with 282 additions and 249 deletions
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429
src/app.rs
View file

@ -16,15 +16,16 @@
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// SPDX-License-Identifier: GPL-3.0-only
use glib::SignalHandlerId;
use glib::Value;
use gtk::gdk::Rectangle;
use gtk::prelude::*;
use gtk::{
gdk::BUTTON_SECONDARY, AboutDialog, Application, ApplicationWindow, Builder, Button,
CellRendererText, FileChooserAction, FileChooserDialog, ListStore, Paned, PopoverMenu,
ResponseType, Statusbar, TreeView, TreeViewColumn, Viewport,
ResponseType, Statusbar, TreeView, TreeViewColumn, Viewport, Widget,
};
use gtk::{gio, glib, graphene};
use gtk::{gio, gio::SimpleAction, glib, graphene};
use once_cell::unsync::OnceCell;
use std::cell::RefCell;
use std::collections::HashMap;
@ -46,6 +47,7 @@ pub struct GPSAppInner {
pub builder: Builder,
pub pipeline: RefCell<Pipeline>,
pub plugin_list_initialized: OnceCell<bool>,
pub menu_signal_handlers: RefCell<HashMap<String, SignalHandlerId>>,
}
// This represents our main application window.
@ -101,9 +103,11 @@ impl GPSApp {
builder,
pipeline: RefCell::new(pipeline),
plugin_list_initialized: OnceCell::new(),
menu_signal_handlers: RefCell::new(HashMap::new()),
}));
Ok(app)
}
pub fn on_startup(application: &gtk::Application) {
// Create application and error out if that fails for whatever reason
let app = match GPSApp::new(application) {
@ -151,11 +155,108 @@ impl GPSApp {
.expect("Couldn't get window");
settings.app_graph_favorites_paned_pos = paned.position();
Settings::save_settings(&settings);
let pop_menu: PopoverMenu = app
.builder
.object("app_pop_menu")
.expect("Couldn't get pop over menu for app");
pop_menu.unparent();
app.drop();
});
}
pub fn get_file_from_dialog<F: Fn(GPSApp, String) + 'static>(app: &GPSApp, save: bool, f: F) {
fn setup_app_actions(&self, application: &gtk::Application) {
application.add_action(&gio::SimpleAction::new("open", None));
application.set_accels_for_action("app.open", &["<primary>o"]);
application.add_action(&gio::SimpleAction::new("save_as", None));
application.set_accels_for_action("app.save", &["<primary>s"]);
application.add_action(&gio::SimpleAction::new("delete", None));
application.set_accels_for_action("app.delete", &["<primary>d", "Delete"]);
application.add_action(&gio::SimpleAction::new("quit", None));
application.set_accels_for_action("app.quit", &["<primary>q"]);
application.add_action(&gio::SimpleAction::new("new-window", None));
application.set_accels_for_action("app.new-window", &["<primary>n"]);
application.add_action(&gio::SimpleAction::new("about", None));
application.set_accels_for_action("app.about", &["<primary>a"]);
application.add_action(&gio::SimpleAction::new("favorite.remove", None));
application.add_action(&gio::SimpleAction::new("graph.add-plugin", None));
application.add_action(&gio::SimpleAction::new("port.delete-link", None));
application.add_action(&gio::SimpleAction::new("node.add-to-favorite", None));
application.add_action(&gio::SimpleAction::new("node.delete", None));
application.add_action(&gio::SimpleAction::new("node.request-pad-input", None));
application.add_action(&gio::SimpleAction::new("node.request-pad-output", None));
application.add_action(&gio::SimpleAction::new("node.properties", None));
}
fn app_pop_menu_at_position(&self, widget: &impl IsA<Widget>, x: f64, y: f64) -> PopoverMenu {
let mainwindow: ApplicationWindow = self
.builder
.object("mainwindow")
.expect("Couldn't get mainwindow");
let pop_menu: PopoverMenu = self
.builder
.object("app_pop_menu")
.expect("Couldn't get popover menu");
if let Some((x, y)) = widget.translate_coordinates(&mainwindow, x, y) {
let point = graphene::Point::new(x as f32, y as f32);
pop_menu.set_pointing_to(&Rectangle {
x: point.to_vec2().x() as i32,
y: point.to_vec2().y() as i32,
width: 0,
height: 0,
});
}
pop_menu
}
fn connect_app_menu_action<
F: Fn(&SimpleAction, std::option::Option<&glib::Variant>) + 'static,
>(
&self,
action_name: &str,
f: F,
) {
let application = gio::Application::default()
.expect("No default application")
.downcast::<gtk::Application>()
.expect("Default application has wrong type");
let action = application
.lookup_action(action_name)
.expect("Unable to find action")
.dynamic_cast::<SimpleAction>()
.expect("Unable to cast to SimpleAction");
if let Some(signal_handler_id) = self.menu_signal_handlers.borrow_mut().remove(action_name)
{
action.disconnect(signal_handler_id);
}
let signal_handler_id = action.connect_activate(f);
self.menu_signal_handlers
.borrow_mut()
.insert(String::from(action_name), signal_handler_id);
}
fn connect_button_action<F: Fn(&Button) + 'static>(&self, button_name: &str, f: F) {
let button: Button = self
.builder
.object(button_name)
.unwrap_or_else(|| panic!("Couldn't get app_button {}", button_name));
button.connect_clicked(f);
}
fn get_file_from_dialog<F: Fn(GPSApp, String) + 'static>(app: &GPSApp, save: bool, f: F) {
let mut message = "Open file";
let mut ok_button = "Open";
let cancel_button = "Cancel";
@ -269,7 +370,7 @@ impl GPSApp {
}
}
fn setup_favorite_list(&self) {
fn setup_favorite_list(&self, application: &Application) {
let favorite_list: TreeView = self
.builder
.object("favorites_list")
@ -300,7 +401,7 @@ impl GPSApp {
gesture.set_button(0);
let app_weak = self.downgrade();
gesture.connect_pressed(
glib::clone!(@weak favorite_list => move |gesture, _n_press, x, y| {
glib::clone!(@weak favorite_list, @weak application => move |gesture, _n_press, x, y| {
let app = upgrade_weak!(app_weak);
if gesture.current_button() == BUTTON_SECONDARY {
let selection = favorite_list.selection();
@ -310,36 +411,22 @@ impl GPSApp {
.get::<String>()
.expect("Treeview selection, column 1");
GPS_DEBUG!("{}", element_name);
let point = graphene::Point::new(x as f32,y as f32);
let pop_menu: PopoverMenu = app
let pop_menu = app.app_pop_menu_at_position(&favorite_list, x, y);
let menu: gio::MenuModel = app
.builder
.object("fav_pop_menu")
.expect("Couldn't get menu model for favorites");
.object("fav_menu")
.expect("Couldn't get menu model for graph");
pop_menu.set_menu_model(Some(&menu));
pop_menu.set_pointing_to(&Rectangle {
x: point.to_vec2().x() as i32,
y: point.to_vec2().y() as i32,
width: 0,
height: 0,
});
// add an action to delete link
let action = gio::SimpleAction::new("favorite.remove", None);
let app_weak = app.downgrade();
action.connect_activate(glib::clone!(@weak pop_menu => move |_,_| {
app.connect_app_menu_action("favorite.remove",
move |_,_| {
let app = upgrade_weak!(app_weak);
Settings::remove_favorite(&element_name);
app.reset_favorite_list(&favorite_list);
pop_menu.unparent();
}));
let window: ApplicationWindow = app
.builder
.object("mainwindow")
.expect("Couldn't get window");
if let Some(application) = window.application() {
application.add_action(&action);
}
);
pop_menu.show();
}
@ -389,95 +476,75 @@ impl GPSApp {
.expect("Couldn't get window");
status_bar.push(status_bar.context_id("Description"), "GPS is ready");
let action = gio::SimpleAction::new("open", None);
self.setup_app_actions(application);
let pop_menu: PopoverMenu = self
.builder
.object("app_pop_menu")
.expect("Couldn't get pop over menu for app");
pop_menu.set_parent(window);
let app_weak = self.downgrade();
// Add a dialog to open the graph
action.connect_activate(glib::clone!(@weak window => move |_, _| {
let app = upgrade_weak!(app_weak);
GPSApp::get_file_from_dialog(&app, false, move |app, filename|
{
//logger::print_log(format!("Open file {}", filename));
app.load_graph(&filename).expect("Unable to open file");
});
}));
application.add_action(&action);
application.set_accels_for_action("app.open", &["<primary>o"]);
// Add a dialog to save the graph
let action = gio::SimpleAction::new("save_as", None);
let app_weak = self.downgrade();
action.connect_activate(glib::clone!(@weak window => move |_, _| {
let app = upgrade_weak!(app_weak);
GPSApp::get_file_from_dialog(&app, true, move |app, filename|
{
GPS_DEBUG!("Save file {}", filename);
app.save_graph(&filename).expect("Unable to save file");
});
}));
application.add_action(&action);
application.set_accels_for_action("app.save", &["<primary>s"]);
let action = gio::SimpleAction::new("delete", None);
application.set_accels_for_action("app.delete", &["<primary>d", "Delete"]);
let app_weak = self.downgrade();
action.connect_activate({
move |_, _| {
let app = upgrade_weak!(app_weak);
let graph_view = app.graphview.borrow();
graph_view.delete_selected();
}
});
application.add_action(&action);
let action = gio::SimpleAction::new("quit", None);
action.connect_activate({
let app = application.downgrade();
move |_, _| {
let app = app.upgrade().unwrap();
app.quit();
}
});
application.add_action(&action);
application.set_accels_for_action("app.quit", &["<primary>q"]);
let action = gio::SimpleAction::new("new-window", None);
let app_weak = self.downgrade();
action.connect_activate({
move |_, _| {
self.connect_app_menu_action("new-window", move |_, _| {
let app = upgrade_weak!(app_weak);
app.clear_graph();
GPS_ERROR!("clear graph");
}
});
application.add_action(&action);
application.set_accels_for_action("app.new-window", &["<primary>n"]);
let about_dialog: AboutDialog = self
let app_weak = self.downgrade();
self.connect_app_menu_action("open", move |_, _| {
let app = upgrade_weak!(app_weak);
GPSApp::get_file_from_dialog(&app, false, move |app, filename| {
app.load_graph(&filename)
.unwrap_or_else(|_| GPS_ERROR!("Unable to open file {}", filename));
});
});
let app_weak = self.downgrade();
self.connect_app_menu_action("save_as", move |_, _| {
let app = upgrade_weak!(app_weak);
GPSApp::get_file_from_dialog(&app, true, move |app, filename| {
GPS_DEBUG!("Save file {}", filename);
app.save_graph(&filename)
.unwrap_or_else(|_| GPS_ERROR!("Unable to save file to {}", filename));
});
});
let app_weak = self.downgrade();
self.connect_app_menu_action("delete", move |_, _| {
let app = upgrade_weak!(app_weak);
let graph_view = app.graphview.borrow();
graph_view.delete_selected();
});
let app = application.downgrade();
self.connect_app_menu_action("quit", move |_, _| {
let app = app.upgrade().unwrap();
app.quit();
});
let app_weak = self.downgrade();
application
.lookup_action("about")
.expect("Unable to find action")
.dynamic_cast::<SimpleAction>()
.expect("Unable to cast to SimpleAction")
.connect_activate({
move |_, _| {
let app = upgrade_weak!(app_weak);
let about_dialog: AboutDialog = app
.builder
.object("dialog-about")
.expect("Couldn't get window");
let action = gio::SimpleAction::new("about", None);
action.connect_activate({
move |_, _| {
about_dialog.show();
}
});
application.add_action(&action);
//application.set_accels_for_action("app.about", &["<primary>a"]);
// Create a dialog to select GStreamer elements.
let add_button: Button = self
.builder
.object("button-add-plugin")
.expect("Couldn't get app_button");
let app_weak = self.downgrade();
add_button.connect_clicked(glib::clone!(@weak window => move |_| {
self.connect_button_action("button-add-plugin", move |_| {
let app = upgrade_weak!(app_weak);
GPSApp::display_plugin_list(&app);
}));
});
let add_button: Button = self
.builder
.object("button-play")
@ -527,27 +594,21 @@ impl GPSApp {
pipeline.set_state(PipelineState::Paused).expect("Unable to change state");
}
}));
let add_button: Button = self
.builder
.object("button-stop")
.expect("Couldn't get app_button");
let app_weak = self.downgrade();
add_button.connect_clicked(glib::clone!(@weak window => move |_| {
self.connect_button_action("button-stop", move |_| {
let app = upgrade_weak!(app_weak);
let pipeline = app.pipeline.borrow();
pipeline.set_state(PipelineState::Stopped).expect("Unable to change state to STOP");
}));
let add_button: Button = self
.builder
.object("button-clear")
.expect("Couldn't get app_button");
let _ = pipeline.set_state(PipelineState::Stopped);
});
let app_weak = self.downgrade();
add_button.connect_clicked(glib::clone!(@weak window => move |_| {
let app = upgrade_weak!(app_weak);
app.load_graph("graphs/video.xml").expect("Unable to open file");
app.load_graph("graphs/compositor.xml").expect("Unable to open file");
}));
let app_weak = self.downgrade();
// When user clicks on port with right button
let app_weak = self.downgrade();
self.graphview
.borrow()
.connect_local(
@ -555,74 +616,58 @@ impl GPSApp {
false,
glib::clone!(@weak application => @default-return None, move |values: &[Value]| {
let app = upgrade_weak!(app_weak, None);
let point = values[1].get::<graphene::Point>().expect("point in args[2]");
let port_menu: gio::MenuModel = app
let pop_menu = app.app_pop_menu_at_position(&*app.graphview.borrow(), point.to_vec2().x() as f64, point.to_vec2().y() as f64);
let menu: gio::MenuModel = app
.builder
.object("graph_menu")
.expect("Couldn't get menu model for graph");
pop_menu.set_menu_model(Some(&menu));
let pop_menu: PopoverMenu = PopoverMenu::from_model(Some(&port_menu));
pop_menu.set_parent(&*app.graphview.borrow_mut());
pop_menu.set_pointing_to(&Rectangle {
x: point.to_vec2().x() as i32,
y: point.to_vec2().y() as i32,
width: 0,
height: 0,
});
// add an action to delete link
let action = gio::SimpleAction::new("graph.add-plugin", None);
action.connect_activate(glib::clone!(@weak pop_menu => move |_,_| {
let app_weak = app.downgrade();
app.connect_app_menu_action("graph.add-plugin",
move |_,_| {
let app = upgrade_weak!(app_weak);
GPSApp::display_plugin_list(&app);
pop_menu.unparent();
}));
application.add_action(&action);
}
);
pop_menu.show();
None
}),
)
.expect("Failed to register graph-right-clicked signal of graphview");
let app_weak = self.downgrade();
// When user clicks on port with right button
let app_weak = self.downgrade();
self.graphview
.borrow()
.connect_local(
"port-right-clicked",
false,
glib::clone!(@weak application => @default-return None, move |values: &[Value]| {
.connect_local("port-right-clicked", false, move |values: &[Value]| {
let app = upgrade_weak!(app_weak, None);
let port_id = values[1].get::<u32>().expect("port id args[1]");
let node_id = values[2].get::<u32>().expect("node id args[2]");
let point = values[3].get::<graphene::Point>().expect("point in args[3]");
let point = values[3]
.get::<graphene::Point>()
.expect("point in args[3]");
let port_menu: gio::MenuModel = app
let pop_menu = app.app_pop_menu_at_position(
&*app.graphview.borrow(),
point.to_vec2().x() as f64,
point.to_vec2().y() as f64,
);
let menu: gio::MenuModel = app
.builder
.object("port_menu")
.expect("Couldn't get menu model for port");
let pop_menu: PopoverMenu = PopoverMenu::from_model(Some(&port_menu));
pop_menu.set_parent(&*app.graphview.borrow_mut());
pop_menu.set_pointing_to(&Rectangle {
x: point.to_vec2().x() as i32,
y: point.to_vec2().y() as i32,
width: 0,
height: 0,
});
// add an action to delete link
let action = gio::SimpleAction::new("port.delete-link", None);
action.connect_activate(glib::clone!(@weak pop_menu => move |_,_| {
pop_menu.set_menu_model(Some(&menu));
app.connect_app_menu_action("port.delete-link", move |_, _| {
GPS_DEBUG!("port.delete-link port {} node {}", port_id, node_id);
pop_menu.unparent();
}));
application.add_action(&action);
});
pop_menu.show();
None
}),
)
})
.expect("Failed to register port-right-clicked signal of graphview");
// When user clicks on node with right button
@ -638,73 +683,65 @@ impl GPSApp {
let node_id = values[1].get::<u32>().expect("node id args[1]");
let point = values[2].get::<graphene::Point>().expect("point in args[2]");
let node_menu: gio::MenuModel = app
let pop_menu = app.app_pop_menu_at_position(&*app.graphview.borrow(), point.to_vec2().x() as f64, point.to_vec2().y() as f64);
let menu: gio::MenuModel = app
.builder
.object("node_menu")
.expect("Couldn't get menu model for node");
pop_menu.set_menu_model(Some(&menu));
let pop_menu: PopoverMenu = PopoverMenu::from_model(Some(&node_menu));
pop_menu.set_parent(&*app.graphview.borrow_mut());
pop_menu.set_pointing_to(&Rectangle {
x: point.to_vec2().x() as i32,
y: point.to_vec2().y() as i32,
width: 0,
height: 0,
});
let action = gio::SimpleAction::new("node.add-to-favorite", None);
let app_weak = app.downgrade();
action.connect_activate(glib::clone!(@weak pop_menu => move |_,_| {
app.connect_app_menu_action("node.add-to-favorite",
move |_,_| {
let app = upgrade_weak!(app_weak);
GPS_DEBUG!("node.delete {}", node_id);
let node = app.graphview.borrow().node(&node_id).unwrap();
GPS_DEBUG!("node.add-to-favorite {}", node_id);
if let Some(node) = app.graphview.borrow().node(&node_id) {
app.add_to_favorite_list(node.name());
pop_menu.unparent();
}));
application.add_action(&action);
let action = gio::SimpleAction::new("node.delete", None);
};
}
);
let app_weak = app.downgrade();
action.connect_activate(glib::clone!(@weak pop_menu => move |_,_| {
app.connect_app_menu_action("node.delete",
move |_,_| {
let app = upgrade_weak!(app_weak);
GPS_DEBUG!("node.delete {}", node_id);
app.graphview.borrow_mut().remove_node(node_id);
pop_menu.unparent();
}));
application.add_action(&action);
}
);
let action = gio::SimpleAction::new("node.request-pad-input", None);
let app_weak = app.downgrade();
action.connect_activate(glib::clone!(@weak pop_menu => move |_,_| {
app.connect_app_menu_action("node.request-pad-input",
move |_,_| {
let app = upgrade_weak!(app_weak);
GPS_DEBUG!("node.request-pad-input {}", node_id);
let mut node = app.graphview.borrow_mut().node(&node_id).unwrap();
let port_id = app.graphview.borrow().next_port_id();
node.add_port(port_id, "in", PortDirection::Input);
pop_menu.unparent();
}));
application.add_action(&action);
}
);
let action = gio::SimpleAction::new("node.request-pad-output", None);
let app_weak = app.downgrade();
action.connect_activate(glib::clone!(@weak pop_menu => move |_,_| {
app.connect_app_menu_action("node.request-pad-output",
move |_,_| {
let app = upgrade_weak!(app_weak);
GPS_DEBUG!("node.request-pad-output {}", node_id);
let mut node = app.graphview.borrow_mut().node(&node_id).unwrap();
let port_id = app.graphview.borrow_mut().next_port_id();
node.add_port(port_id, "out", PortDirection::Output);
pop_menu.unparent();
}));
application.add_action(&action);
let action = gio::SimpleAction::new("node.properties", None);
action.connect_activate(glib::clone!(@weak pop_menu => move |_,_| {
}
);
let app_weak = app.downgrade();
app.connect_app_menu_action("node.properties",
move |_,_| {
let app = upgrade_weak!(app_weak);
GPS_DEBUG!("node.properties {}", node_id);
let node = app.graphview.borrow().node(&node_id).unwrap();
plugindialogs::display_plugin_properties(&app, &node.name(), node_id);
pop_menu.unparent();
}));
application.add_action(&action);
}
);
pop_menu.show();
None
@ -713,7 +750,7 @@ impl GPSApp {
.expect("Failed to register node-right-clicked signal of graphview");
// Setup the favorite list
self.setup_favorite_list();
self.setup_favorite_list(application);
// Setup the logger to get messages into the TreeView
let (ready_tx, ready_rx) = glib::MainContext::channel(glib::PRIORITY_DEFAULT);
@ -761,18 +798,18 @@ impl GPSApp {
node.update_node_properties(properties);
}
pub fn clear_graph(&self) {
fn clear_graph(&self) {
let graph_view = self.graphview.borrow_mut();
graph_view.remove_all_nodes();
}
pub fn save_graph(&self, filename: &str) -> anyhow::Result<(), Box<dyn error::Error>> {
fn save_graph(&self, filename: &str) -> anyhow::Result<(), Box<dyn error::Error>> {
let graph_view = self.graphview.borrow_mut();
graph_view.render_xml(filename)?;
Ok(())
}
pub fn load_graph(&self, filename: &str) -> anyhow::Result<(), Box<dyn error::Error>> {
fn load_graph(&self, filename: &str) -> anyhow::Result<(), Box<dyn error::Error>> {
self.clear_graph();
let graph_view = self.graphview.borrow_mut();
graph_view.load_xml(filename)?;

8
src/gps.ui
View file

@ -83,7 +83,8 @@
</item>
</section>
</menu>
<object class="GtkPopoverMenu" id="app_pop_menu">
</object>
<object class="GtkAboutDialog" id="dialog-about">
<property name="program-name">GstPipelineStudio</property>
<property name="authors">Stéphane Cerveau</property>
@ -259,11 +260,6 @@
<property name="vexpand">True</property>
<property name="child">
<object class="GtkTreeView" id="favorites_list">
<child>
<object class="GtkPopoverMenu" id="fav_pop_menu">
<property name="menu-model">fav_menu</property>
</object>
</child>
</object>
</property>
</object>