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https://github.com/italicsjenga/winit-sonoma-fix.git
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Merge pull request #766 from est31/master
Improve X11 cursor symbols handling
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commit
558eeadbd5
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@ -841,50 +841,76 @@ impl Window {
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pub fn set_cursor(&self, cursor: MouseCursor) {
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unsafe {
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use std::ffi::CString;
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let cursor_name = match cursor {
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MouseCursor::Alias => "link",
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MouseCursor::Arrow => "arrow",
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MouseCursor::Cell => "plus",
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MouseCursor::Copy => "copy",
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MouseCursor::Crosshair => "crosshair",
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MouseCursor::Default => "left_ptr",
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MouseCursor::Grabbing => "grabbing",
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MouseCursor::Hand | MouseCursor::Grab => "hand",
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MouseCursor::Help => "question_arrow",
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MouseCursor::Move => "move",
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MouseCursor::NoDrop => "circle",
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MouseCursor::NotAllowed => "crossed_circle",
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MouseCursor::Progress => "left_ptr_watch",
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let load = |name :&str| {
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let c_string = CString::new(name.as_bytes().to_vec()).unwrap();
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return (self.x.display.xcursor.XcursorLibraryLoadCursor)(self.x.display.display, c_string.as_ptr());
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};
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let loadn = |names :&[&str]| {
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for name in names.iter() {
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let xcursor = load(*name);
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if xcursor != 0 {
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return xcursor;
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}
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}
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return 0;
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};
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// Try multiple names in some cases where the name
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// differs on the desktop environments or themes.
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//
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// Try the better looking (or more suiting) names first.
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let mut xcursor = match cursor {
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MouseCursor::Alias => load("link"),
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MouseCursor::Arrow => load("arrow"),
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MouseCursor::Cell => load("plus"),
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MouseCursor::Copy => load("copy"),
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MouseCursor::Crosshair => load("crosshair"),
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MouseCursor::Default => load("left_ptr"),
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MouseCursor::Hand => load("hand1"),
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MouseCursor::Help => load("question_arrow"),
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MouseCursor::Move => load("move"),
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MouseCursor::Grab => loadn(&["openhand", "grab"]),
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MouseCursor::Grabbing => loadn(&["closedhand", "grabbing"]),
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MouseCursor::Progress => load("left_ptr_watch"),
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MouseCursor::AllScroll => load("all-scroll"),
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MouseCursor::ContextMenu => load("context-menu"),
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MouseCursor::NoDrop => loadn(&["no-drop", "circle"]),
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MouseCursor::NotAllowed => load("crossed_circle"),
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/// Resize cursors
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MouseCursor::EResize => "right_side",
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MouseCursor::NResize => "top_side",
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MouseCursor::NeResize => "top_right_corner",
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MouseCursor::NwResize => "top_left_corner",
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MouseCursor::SResize => "bottom_side",
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MouseCursor::SeResize => "bottom_right_corner",
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MouseCursor::SwResize => "bottom_left_corner",
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MouseCursor::WResize => "left_side",
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MouseCursor::EwResize | MouseCursor::ColResize => "h_double_arrow",
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MouseCursor::NsResize | MouseCursor::RowResize => "v_double_arrow",
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MouseCursor::NwseResize => "bd_double_arrow",
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MouseCursor::NeswResize => "fd_double_arrow",
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MouseCursor::EResize => load("right_side"),
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MouseCursor::NResize => load("top_side"),
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MouseCursor::NeResize => load("top_right_corner"),
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MouseCursor::NwResize => load("top_left_corner"),
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MouseCursor::SResize => load("bottom_side"),
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MouseCursor::SeResize => load("bottom_right_corner"),
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MouseCursor::SwResize => load("bottom_left_corner"),
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MouseCursor::WResize => load("left_side"),
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MouseCursor::EwResize => load("h_double_arrow"),
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MouseCursor::NsResize => load("v_double_arrow"),
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MouseCursor::NwseResize => loadn(&["bd_double_arrow", "size_bdiag"]),
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MouseCursor::NeswResize => loadn(&["fd_double_arrow", "size_fdiag"]),
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MouseCursor::ColResize => loadn(&["split_h", "h_double_arrow"]),
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MouseCursor::RowResize => loadn(&["split_v", "v_double_arrow"]),
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MouseCursor::Text | MouseCursor::VerticalText => "xterm",
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MouseCursor::Wait => "watch",
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MouseCursor::Text => loadn(&["text", "xterm"]),
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MouseCursor::VerticalText => load("vertical-text"),
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/// TODO: Find matching X11 cursors
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MouseCursor::ContextMenu | MouseCursor::NoneCursor |
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MouseCursor::AllScroll | MouseCursor::ZoomIn |
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MouseCursor::ZoomOut => "left_ptr",
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MouseCursor::Wait => load("watch"),
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MouseCursor::ZoomIn => load("zoom-in"),
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MouseCursor::ZoomOut => load("zoom-out"),
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// TODO: Hide cursor
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MouseCursor::NoneCursor => 0,
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};
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let c_string = CString::new(cursor_name.as_bytes().to_vec()).unwrap();
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let xcursor = (self.x.display.xcursor.XcursorLibraryLoadCursor)(self.x.display.display, c_string.as_ptr());
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self.x.display.check_errors().expect("Failed to call XcursorLibraryLoadCursor");
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(self.x.display.xlib.XDefineCursor)(self.x.display.display, self.x.window, xcursor);
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(self.x.display.xlib.XFlush)(self.x.display.display);
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if xcursor != 0 {
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(self.x.display.xlib.XFreeCursor)(self.x.display.display, xcursor);
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self.x.display.check_errors().expect("Failed to call XDefineCursor");
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}
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self.x.display.check_errors().expect("Failed to set or free the cursor");
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}
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}
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