ish/app/AboutExternalKeyboardViewController.m
2020-02-17 21:45:37 -08:00

91 lines
3.2 KiB
Objective-C

//
// CapsLockMappingViewController.m
// iSH
//
// Created by Theodore Dubois on 12/2/18.
//
#import "AboutExternalKeyboardViewController.h"
#import "UserPreferences.h"
const int kCapsLockMappingSection = 0;
@interface AboutExternalKeyboardViewController ()
@property (weak, nonatomic) IBOutlet UISwitch *optionMetaSwitch;
@property (weak, nonatomic) IBOutlet UISwitch *backtickEscapeSwitch;
@end
@implementation AboutExternalKeyboardViewController
- (void)viewDidLoad {
[super viewDidLoad];
[UserPreferences.shared addObserver:self forKeyPath:@"capsLockMapping" options:NSKeyValueObservingOptionNew context:nil];
[UserPreferences.shared addObserver:self forKeyPath:@"optionMapping" options:NSKeyValueObservingOptionNew context:nil];
[self _update];
}
- (void)dealloc {
[UserPreferences.shared removeObserver:self forKeyPath:@"capsLockMapping"];
[UserPreferences.shared removeObserver:self forKeyPath:@"optionMapping"];
}
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSKeyValueChangeKey,id> *)change context:(void *)context {
[self.tableView reloadData];
}
- (void)_update {
self.optionMetaSwitch.on = UserPreferences.shared.optionMapping == OptionMapEsc;
self.backtickEscapeSwitch.on = UserPreferences.shared.backtickMapEscape;
}
- (IBAction)optionMetaToggle:(UISwitch *)sender {
UserPreferences.shared.optionMapping = sender.on ? OptionMapEsc : OptionMapNone;
}
- (IBAction)backtickEscapeToggle:(UISwitch *)sender {
UserPreferences.shared.backtickMapEscape = sender.on;
}
- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath {
if (indexPath.section == kCapsLockMappingSection && cell.tag == UserPreferences.shared.capsLockMapping)
cell.accessoryType = UITableViewCellAccessoryCheckmark;
else
cell.accessoryType = UITableViewCellAccessoryNone;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
if (indexPath.section == kCapsLockMappingSection) {
UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
UserPreferences.shared.capsLockMapping = cell.tag;
}
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
if (section == 0 && ![self.class capsLockMappingSupported])
return 0;
return [super tableView:tableView numberOfRowsInSection:section];
}
- (NSString *)tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
if (section == 0 && ![self.class capsLockMappingSupported])
return @"Caps Lock mapping is broken in iOS 13.\n\n"
@"Since iOS 13.4, Caps Lock can be remapped system-wide in Settings → General → Keyboard → Hardware Keyboard → Modifier Keys.";
return [super tableView:tableView titleForFooterInSection:section];
}
- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
if (section == 0 && ![self.class capsLockMappingSupported])
return @"";
return [super tableView:tableView titleForHeaderInSection:section];
}
+ (BOOL)capsLockMappingSupported {
if (@available(iOS 13, *)) {
return NO;
}
return YES;
}
@end