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feat: add Undo/Cut/Copy/Paste keycodes for Linux #120

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feat: add Undo/Cut/Copy/Paste keycodes for Linux #120

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13 changes: 11 additions & 2 deletions src/platform/linux/uhid_backend.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@
#if defined(LIBVIRTUALHID_HAVE_XTEST)
#include <X11/extensions/XTest.h>
#include <X11/keysym.h>
#include <X11/XF86keysym.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#endif
Expand Down Expand Up @@ -536,7 +537,7 @@ namespace lvh::detail {
}

int key_code_to_linux(KeyboardKeyCode key_code) {
static constexpr std::array<std::pair<KeyboardKeyCode, int>, 47> special_keys {{
static constexpr std::array<std::pair<KeyboardKeyCode, int>, 51> special_keys {{
{0x08, KEY_BACKSPACE},
{0x09, KEY_TAB},
{0x0D, KEY_ENTER},
Expand Down Expand Up @@ -584,6 +585,10 @@ namespace lvh::detail {
{0xDD, KEY_RIGHTBRACE},
{0xDE, KEY_APOSTROPHE},
{0xE2, KEY_102ND},
{0x0100, KEY_UNDO},
{0x0101, KEY_CUT},
{0x0102, KEY_COPY},
{0x0103, KEY_PASTE},
}};

if (const auto linux_key = mapped_keyboard_code(key_code, special_keys); linux_key.has_value()) {
Expand Down Expand Up @@ -2035,7 +2040,7 @@ namespace lvh::detail {

#if defined(LIBVIRTUALHID_HAVE_XTEST)
KeySym key_code_to_keysym(KeyboardKeyCode key_code) {
static constexpr std::array<std::pair<KeyboardKeyCode, KeySym>, 45> special_keysyms {{
static constexpr std::array<std::pair<KeyboardKeyCode, KeySym>, 49> special_keysyms {{
{0x08, XK_BackSpace},
{0x09, XK_Tab},
{0x0D, XK_Return},
Expand Down Expand Up @@ -2081,6 +2086,10 @@ namespace lvh::detail {
{0xDC, XK_backslash},
{0xDD, XK_bracketright},
{0xDE, XK_apostrophe},
{0x0100, XK_Undo},
{0x0101, XF86XK_Cut},
{0x0102, XF86XK_Copy},
{0x0103, XF86XK_Paste},
}};

if (const auto keysym = mapped_keyboard_code(key_code, special_keysyms); keysym.has_value()) {
Expand Down
9 changes: 9 additions & 0 deletions tests/unit/test_linux_backend.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@
#include <linux/input.h>
#if defined(LIBVIRTUALHID_HAVE_XTEST)
#include <X11/keysym.h>
#include <X11/XF86keysym.h>
#endif

// lib includes
Expand Down Expand Up @@ -107,6 +108,10 @@ TEST_F(LinuxBackendTest, TranslatesKeyboardKeys) {
EXPECT_EQ(lvh::detail::test::linux_key_code(0x70), KEY_F1);
EXPECT_EQ(lvh::detail::test::linux_key_code(0x7B), KEY_F12);
EXPECT_EQ(lvh::detail::test::linux_key_code(0x87), KEY_F24);
EXPECT_EQ(lvh::detail::test::linux_key_code(0x0100), KEY_UNDO);
EXPECT_EQ(lvh::detail::test::linux_key_code(0x0101), KEY_CUT);
EXPECT_EQ(lvh::detail::test::linux_key_code(0x0102), KEY_COPY);
EXPECT_EQ(lvh::detail::test::linux_key_code(0x0103), KEY_PASTE);
EXPECT_EQ(lvh::detail::test::linux_key_code(0), -1);
EXPECT_EQ(lvh::detail::test::linux_key_code(0x88), -1);
}
Expand Down Expand Up @@ -1268,6 +1273,10 @@ TEST_F(LinuxBackendTest, XTestFallbackCoversKeyboardAndMousePaths) {
EXPECT_EQ(lvh::detail::test::linux_xtest_keysym(0x6F), XK_KP_Divide);
EXPECT_EQ(lvh::detail::test::linux_xtest_keysym(0x70), XK_F1);
EXPECT_EQ(lvh::detail::test::linux_xtest_keysym(0x87), XK_F24);
EXPECT_EQ(lvh::detail::test::linux_xtest_keysym(0x0100), XK_Undo);
EXPECT_EQ(lvh::detail::test::linux_xtest_keysym(0x0101), XF86XK_Cut);
EXPECT_EQ(lvh::detail::test::linux_xtest_keysym(0x0102), XF86XK_Copy);
EXPECT_EQ(lvh::detail::test::linux_xtest_keysym(0x0103), XF86XK_Paste);
EXPECT_EQ(lvh::detail::test::linux_xtest_keysym(0x88), 0UL);

EXPECT_EQ(lvh::detail::test::linux_xtest_mouse_button(lvh::MouseButton::left), 1);
Expand Down