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Kernel+LibKeyboard: Enable querying the current keymap
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parent
d47ed35801
commit
a2c21a55e1
6 changed files with 46 additions and 2 deletions
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@ -29,6 +29,8 @@
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namespace Kernel {
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constexpr size_t map_name_max_size = 50;
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int Process::sys$setkeymap(Userspace<const Syscall::SC_setkeymap_params*> user_params)
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{
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REQUIRE_PROMISE(setkeymap);
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@ -57,7 +59,6 @@ int Process::sys$setkeymap(Userspace<const Syscall::SC_setkeymap_params*> user_p
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if (map_name.is_error()) {
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return map_name.error();
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}
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constexpr size_t map_name_max_size = 50;
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if (map_name.value().length() > map_name_max_size) {
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return -ENAMETOOLONG;
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}
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@ -66,4 +67,34 @@ int Process::sys$setkeymap(Userspace<const Syscall::SC_setkeymap_params*> user_p
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return 0;
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}
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int Process::sys$getkeymap(Userspace<const Syscall::SC_getkeymap_params*> user_params)
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{
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REQUIRE_PROMISE(stdio);
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Syscall::SC_getkeymap_params params;
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if (!copy_from_user(¶ms, user_params))
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return -EFAULT;
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String keymap_name = KeyboardDevice::the().keymap_name();
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const Keyboard::CharacterMapData& character_maps = KeyboardDevice::the().character_maps();
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if (!copy_to_user(params.map, character_maps.map, CHAR_MAP_SIZE * sizeof(u32)))
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return -EFAULT;
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if (!copy_to_user(params.shift_map, character_maps.shift_map, CHAR_MAP_SIZE * sizeof(u32)))
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return -EFAULT;
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if (!copy_to_user(params.alt_map, character_maps.alt_map, CHAR_MAP_SIZE * sizeof(u32)))
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return -EFAULT;
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if (!copy_to_user(params.altgr_map, character_maps.altgr_map, CHAR_MAP_SIZE * sizeof(u32)))
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return -EFAULT;
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if (!copy_to_user(params.shift_altgr_map, character_maps.shift_altgr_map, CHAR_MAP_SIZE * sizeof(u32)))
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return -EFAULT;
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if (params.map_name.size < keymap_name.length())
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return -ENAMETOOLONG;
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if (!copy_to_user(params.map_name.data, keymap_name.characters(), keymap_name.length()))
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return -EFAULT;
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return 0;
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}
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}
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