Add an option to enable single-touch A+B combo in iOS, closes #587

LIJI32 · Apr 6, 2024 · a791f7e · a791f7e
1 parent 3f799f2
commit a791f7e
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Showing 5 changed files with 17 additions and 0 deletions.
diff --git a/iOS/GBBackgroundView.m b/iOS/GBBackgroundView.m
@@ -332,6 +332,10 @@ - (void)touchesChanged
         else if (CGPointSquaredDistance(point, _layout.selectLocation) <= buttonRadiusSquared) {
             mask |= GB_KEY_SELECT_MASK;
         }
+        else if ([[NSUserDefaults standardUserDefaults] boolForKey:@"GBEnableABCombo"] &&
+                 CGPointSquaredDistance(point, _layout.abComboLocation) <= buttonRadiusSquared) {
+            mask |= GB_KEY_A_MASK | GB_KEY_B_MASK;
+        }
         else if (!dpadHandled &&
                  fabs(point.x - _layout.dpadLocation.x) <= dpadRadius &&
                  fabs(point.y - _layout.dpadLocation.y) <= dpadRadius) {

diff --git a/iOS/GBHorizontalLayout.m b/iOS/GBHorizontalLayout.m
@@ -85,6 +85,9 @@ - (instancetype)init
     self.bLocation = (CGPoint){self.bLocation.x + self.cutout, self.bLocation.y};
     self.startLocation = (CGPoint){self.startLocation.x + self.cutout, self.startLocation.y};
     self.selectLocation = (CGPoint){self.selectLocation.x + self.cutout, self.selectLocation.y};
+    self.abComboLocation = (CGPoint){(self.aLocation.x + self.bLocation.x) / 2,
+                                     (self.aLocation.y + self.bLocation.y) / 2};
+
 
     UIGraphicsBeginImageContextWithOptions(resolution, true, 1);
     [self drawBackground];

diff --git a/iOS/GBLayout.h b/iOS/GBLayout.h
@@ -6,6 +6,7 @@
 @property (readonly) CGPoint dpadLocation;
 @property (readonly) CGPoint aLocation;
 @property (readonly) CGPoint bLocation;
+@property (readonly) CGPoint abComboLocation;
 @property (readonly) CGPoint startLocation;
 @property (readonly) CGPoint selectLocation;
 - (CGRect)viewRectForOrientation:(UIInterfaceOrientation)orientation;
@@ -19,6 +20,7 @@
 @property CGPoint dpadLocation;
 @property CGPoint aLocation;
 @property CGPoint bLocation;
+@property CGPoint abComboLocation;
 @property CGPoint startLocation;
 @property CGPoint selectLocation;
 @property (readonly) CGSize resolution;

diff --git a/iOS/GBSettingsViewController.m b/iOS/GBSettingsViewController.m
@@ -321,6 +321,12 @@ + (UIImage *)previewImageForTheme:(NSString *)theme
                 return @"Directional input is determined by the touch position.";
             },
         },
+        @{
+            @"items": @[
+                @{@"type": typeCheck, @"pref": @"GBEnableABCombo", @"title": @"Single-Touch A+B"},
+            ],
+            @"footer": @"Enable this option to allow pressing A+B by touching the space between the two buttons",
+        },
         @{
             @"header": @"Horizontal Swipe Behavior",
             @"items": @[

diff --git a/iOS/GBVerticalLayout.m b/iOS/GBVerticalLayout.m
@@ -54,6 +54,8 @@ - (instancetype)init
         round(buttonsCenter.y + buttonsDelta.height / 2)
     };
 
+    self.abComboLocation = buttonsCenter;
+
     double controlsTop = self.dpadLocation.y - 80 * self.factor;
     double middleSpace = self.bLocation.x - buttonRadius - (self.dpadLocation.x + 80 * self.factor);