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Userland: keymap, use LibKeyboard to read keymap files

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Hüseyin ASLITÜRK 2020-05-31 10:08:31 +03:00 committed by Andreas Kling
parent 3bf5602521
commit 92d03931d6
Notes: sideshowbarker 2024-07-19 05:51:52 +09:00 
Author: https://github.com/asliturk
Commit: https://github.com/SerenityOS/serenity/commit/92d03931d64
Pull-request: https://github.com/SerenityOS/serenity/pull/2455
Reviewed-by: https://github.com/JonArcherII
Reviewed-by: https://github.com/awesomekling
Reviewed-by: https://github.com/bugaevc
2 changed files with 5 additions and 91 deletions
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1
Userland/CMakeLists.txt
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@ -14,6 +14,7 @@ target_link_libraries(disasm LibX86)
target_link_libraries(functrace LibDebug LibX86)
target_link_libraries(html LibWeb)
target_link_libraries(ht LibWeb)
target_link_libraries(keymap LibKeyboard)
target_link_libraries(lspci LibPCIDB)
target_link_libraries(man LibMarkdown)
target_link_libraries(md LibMarkdown)

95
Userland/keymap.cpp
View file

@ -24,98 +24,9 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/JsonObject.h>
#include <LibCore/File.h>
#include <LibKeyboard/CharacterMap.h>
#include <stdio.h>
#include <AK/Optional.h>
#include <AK/StdLibExtras.h>
#include <AK/Vector.h>
#include <AK/kmalloc.h>
#include <Kernel/Syscall.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
static Vector<char> read_map(const JsonObject& json, const String& name)
{
if (!json.has(name))
return {};
Vector<char, 0x80> map;
map.resize(0x80);
auto map_arr = json.get(name).as_array();
for (int i = 0; i < map_arr.size(); i++) {
auto key_value = map_arr.at(i).as_string();
char character = 0;
if (key_value.length() == 0) {
;
} else if (key_value.length() == 1) {
character = key_value.characters()[0];
} else if (key_value.length() == 4) {
// FIXME: Replace this workaround with "\u001B" in the keymap files
// after these kind of escape sequences are implemented in JsonParser.
if (key_value == "0x1B") {
character = 0x1B;
}
} else {
fprintf(stderr, "Unknown character in %s[%u] = %s.\n", name.characters(), i, key_value.characters());
ASSERT_NOT_REACHED();
}
map[i] = character;
}
return map;
}
static RefPtr<Core::File> open_keymap_file(String& filename)
{
auto file = Core::File::construct(filename);
if (file->open(Core::IODevice::ReadOnly))
return file;
if (!filename.ends_with(".json")) {
StringBuilder full_path;
full_path.append("/res/keymaps/");
full_path.append(filename);
full_path.append(".json");
filename = full_path.to_string();
file = Core::File::construct(filename);
if (file->open(Core::IODevice::ReadOnly))
return file;
}
return file;
}
static int read_map_from_file(String& filename)
{
auto file = open_keymap_file(filename);
if (!file->is_open()) {
fprintf(stderr, "Failed to open %s: %s\n", filename.characters(), file->error_string());
return 1;
}
auto file_contents = file->read_all();
auto json = JsonValue::from_string(file_contents).as_object();
auto map = read_map(json, "map");
auto shift_map = read_map(json, "shift_map");
auto alt_map = read_map(json, "alt_map");
auto altgr_map = read_map(json, "altgr_map");
if (altgr_map.is_empty()) {
// AltGr map was not found, using Alt map as fallback.
altgr_map = alt_map;
}
Syscall::SC_setkeymap_params params { map.data(), shift_map.data(), alt_map.data(), altgr_map.data() };
return syscall(SC_setkeymap, &params);
}
int main(int argc, char** argv)
{
if (argc != 2) {
@ -124,7 +35,9 @@ int main(int argc, char** argv)
}
String filename = argv[1];
int ret_val = read_map_from_file(filename);
Keyboard::CharacterMap character_map(filename);
int ret_val = character_map.set_system_map();
if (ret_val == -EPERM)
fprintf(stderr, "Permission denied.\n");