[Dialogs] Fix issue where the line break mode is set on the wrong title label. It should be set on the M3CButton's titleLabel, instead it is set on the dialog's titleLabel.

loading-google · material-automation · commit 610c997d8292 · 2024-12-10T10:44:47.000-08:00
PiperOrigin-RevId: 704766381
diff --git a/components/Dialogs/src/private/MDCAlertControllerView+Private.m b/components/Dialogs/src/private/MDCAlertControllerView+Private.m
@@ -1063,6 +1063,7 @@ - (void)layoutHorizontalButtons:(NSArray<UIButton *> *)buttons actionSize:(CGSiz
       M3CButton *m3cButton = (M3CButton *)button;
       if (m3cButton.textCanWrap) {
         m3cButton.textCanWrap = false;
+        m3cButton.titleLabel.lineBreakMode = NSLineBreakByTruncatingMiddle;
         m3cButton.titleLabel.preferredMaxLayoutWidth = 0;
       }
     }
@@ -1129,7 +1130,7 @@ - (void)layoutVerticalButtons:(NSArray<UIButton *> *)buttons {
       if (self.isM3CButtonEnabled && [button isKindOfClass:M3CButton.class]) {
         M3CButton *m3cButton = (M3CButton *)button;
         m3cButton.textCanWrap = YES;
-        self.titleLabel.lineBreakMode = NSLineBreakByTruncatingMiddle;
+        m3cButton.titleLabel.lineBreakMode = NSLineBreakByTruncatingMiddle;
         m3cButton.titleLabel.preferredMaxLayoutWidth = maxButtonWidth;
       }
       CGRect buttonRect = button.bounds;

Original file line number	Diff line number	Diff line change
`@@ -1063,6 +1063,7 @@ - (void)layoutHorizontalButtons:(NSArray<UIButton > )buttons actionSize:(CGSiz`
`1063`	`1063`	`M3CButton m3cButton = (M3CButton )button;`
`1064`	`1064`	`if (m3cButton.textCanWrap) {`
`1065`	`1065`	`m3cButton.textCanWrap = false;`
	`1066`	`+ m3cButton.titleLabel.lineBreakMode = NSLineBreakByTruncatingMiddle;`
`1066`	`1067`	`m3cButton.titleLabel.preferredMaxLayoutWidth = 0;`
`1067`	`1068`	`}`
`1068`	`1069`	`}`
`@@ -1129,7 +1130,7 @@ - (void)layoutVerticalButtons:(NSArray<UIButton > )buttons {`
`1129`	`1130`	`if (self.isM3CButtonEnabled && [button isKindOfClass:M3CButton.class]) {`
`1130`	`1131`	`M3CButton m3cButton = (M3CButton )button;`
`1131`	`1132`	`m3cButton.textCanWrap = YES;`
`1132`		`- self.titleLabel.lineBreakMode = NSLineBreakByTruncatingMiddle;`
	`1133`	`+ m3cButton.titleLabel.lineBreakMode = NSLineBreakByTruncatingMiddle;`
`1133`	`1134`	`m3cButton.titleLabel.preferredMaxLayoutWidth = maxButtonWidth;`
`1134`	`1135`	`}`
`1135`	`1136`	`CGRect buttonRect = button.bounds;`