clipboard: implement virtual-keyboard-unstable-v1 to replace wtype for

pasting entries

core/internal/clipboard/pastekey_test.go

@@ -0,0 +1,105 @@
+package clipboard
+
+import "testing"
+
+const qwertyKeymap = `xkb_keymap {
+xkb_keycodes "(unnamed)" {
+	minimum = 8;
+	maximum = 708;
+	<ESC>  = 9;
+	<AB04> = 55;
+	<LCTL> = 37;
+	<LFSH> = 50;
+	alias <AL01> = <AC01>;
+	indicator 1 = "Caps Lock";
+};
+xkb_types "(unnamed)" {
+	type "ALPHABETIC" {
+		modifiers = Shift+Lock;
+		map[Shift] = Level2;
+		level_name[Level1] = "Base";
+	};
+};
+xkb_symbols "(unnamed)" {
+	key <ESC>  { [ Escape ] };
+	key <AB04> { type= "ALPHABETIC", [ v, V ] };
+	key <LCTL> { [ Control_L ] };
+	key <LFSH> { [ Shift_L ] };
+};
+};`
+
+const hexKeymap = `xkb_keymap {
+xkb_keycodes "(unnamed)" {
+	<AB04> = 56;
+	<LCTL> = 38;
+	<LFSH> = 51;
+};
+xkb_symbols "(unnamed)" {
+	key <LCTL> {	[ 0xffe3 ] };
+	key <LFSH> {
+		type= "PC_ALT_LEVEL2",
+		symbols[1]= [ 0xffe1, 0xfe08 ]
+	};
+	key <AB04> {	[ 0x76, 0x56 ] };
+};
+};`
+
+const dvorakKeymap = `xkb_keymap {
+xkb_keycodes "(unnamed)" {
+	<AB09> = 60;
+	<LCTL> = 37;
+	<LFSH> = 50;
+};
+xkb_symbols "(unnamed)" {
+	key <AB09> { [ v, V ] };
+	key <LCTL> { [ Control_L ] };
+	key <LFSH> { [ Shift_L ] };
+};
+};`
+
+func TestResolveKeycodes(t *testing.T) {
+	tests := []struct {
+		name   string
+		keymap string
+		want   pasteKeycodes
+	}{
+		{"qwerty", qwertyKeymap, pasteKeycodes{ctrl: 29, shift: 42, v: 47}},
+		{"dvorak", dvorakKeymap, pasteKeycodes{ctrl: 29, shift: 42, v: 52}},
+		{"hex keysyms", hexKeymap, pasteKeycodes{ctrl: 30, shift: 43, v: 48}},
+		{"empty falls back", "", pasteKeycodes{ctrl: fallbackCtrlKey, shift: fallbackShiftKey, v: fallbackVKey}},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := resolveKeycodes(tt.keymap)
+			if got != tt.want {
+				t.Errorf("resolveKeycodes() = %+v, want %+v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestExpandOffers(t *testing.T) {
+	text := ExpandOffers([]byte("hi"), "text/plain;charset=utf-8")
+	if len(text) != 5 {
+		t.Fatalf("expected 5 text offers, got %d", len(text))
+	}
+	seen := map[string]bool{}
+	for _, o := range text {
+		if string(o.Data) != "hi" {
+			t.Errorf("offer %s has wrong data", o.MimeType)
+		}
+		if seen[o.MimeType] {
+			t.Errorf("duplicate offer %s", o.MimeType)
+		}
+		seen[o.MimeType] = true
+	}
+	if !seen["UTF8_STRING"] || !seen["STRING"] || !seen["TEXT"] || !seen["text/plain"] {
+		t.Errorf("missing X11 alias offers: %v", seen)
+	}
+
+	img := ExpandOffers([]byte{1}, "image/png")
+	if len(img) != 1 || img[0].MimeType != "image/png" {
+		t.Errorf("non-text mime should not expand, got %+v", img)
+	}
+}