42 lines
1.5 KiB
Rust
42 lines
1.5 KiB
Rust
use gdk4::ContentProvider;
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use gdk4::Display;
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use gio::File;
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use gio::Icon;
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use gtk4 as gtk;
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use gtk4::DragSource;
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use gtk4::IconTheme;
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use gtk::glib;
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use gtk::prelude::*;
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pub fn init_drag_controller(drag_controller: &DragSource, app_info: &gio::DesktopAppInfo) {
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if let Some(file) = app_info.filename() {
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let file = File::for_path(file);
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let provider = ContentProvider::for_value(&file.to_value());
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drag_controller.set_content(Some(&provider));
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}
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drag_controller.connect_drag_end(move |_self, _drag, delete_data| {
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dbg!("removing", delete_data);
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});
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let icon = app_info
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.icon()
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.unwrap_or(Icon::for_string("image-missing").expect("Failed to set default icon"));
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drag_controller.connect_drag_begin(glib::clone!(@weak icon, => move |_self, drag| {
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drag.set_selected_action(gdk4::DragAction::MOVE);
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// set drag source icon if possible...
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// gio Icon is not easily converted to a Paintable, but this seems to be the correct method
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if let Some(default_display) = &Display::default() {
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if let Some(icon_theme) = IconTheme::for_display(default_display) {
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if let Some(paintable_icon) = icon_theme.lookup_by_gicon(
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&icon,
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64,
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1,
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gtk4::TextDirection::None,
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gtk4::IconLookupFlags::empty(),
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) {
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_self.set_icon(Some(&paintable_icon), 32, 32);
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}
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}
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}
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}));
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}
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