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Don't steal focus on mouse events that are within 1 px

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This commit is contained in:
Matt Rochford
2024-12-29 13:47:03 -08:00
committed by Mitchell Hashimoto
parent f60068eabd
commit 6a4842f110
1 changed files with 11 additions and 3 deletions
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14
src/apprt/gtk/Surface.zig
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@ -1426,15 +1426,23 @@ fn gtkMouseMotion(
.y = @floatCast(scaled.y),
};
// Our pos changed, update
self.cursor_pos = pos;
// When the GLArea is resized under the mouse, GTK issues a mouse motion
// event. This has the unfortunate side effect of causing focus to potentially
// change when `focus-follows-mouse` is enabled. To prevent this, we check
// if the cursor is still in the same place as the last event and only grab
// focus if it has moved.
const is_cursor_still = @abs(self.cursor_pos.x - pos.x) < 1 and
@abs(self.cursor_pos.y - pos.y) < 1;
// If we don't have focus, and we want it, grab it.
const gl_widget = @as(*c.GtkWidget, @ptrCast(self.gl_area));
if (c.gtk_widget_has_focus(gl_widget) == 0 and self.app.config.@"focus-follows-mouse") {
if (!is_cursor_still and c.gtk_widget_has_focus(gl_widget) == 0 and self.app.config.@"focus-follows-mouse") {
self.grabFocus();
}
// Our pos changed, update
self.cursor_pos = pos;
// Get our modifiers
const gtk_mods = c.gdk_event_get_modifier_state(event);
const mods = gtk_key.translateMods(gtk_mods);