Commonize insets Modifier's (#837)

## Proposed Changes

```diff
+fun Modifier.safeDrawingPadding(): Modifier
+fun Modifier.safeGesturesPadding(): Modifier
+fun Modifier.safeContentPadding(): Modifier
+fun Modifier.systemBarsPadding(): Modifier
+fun Modifier.displayCutoutPadding(): Modifier
+fun Modifier.statusBarsPadding(): Modifier
+fun Modifier.imePadding(): Modifier
+fun Modifier.navigationBarsPadding(): Modifier
+fun Modifier.captionBarPadding(): Modifier
+fun Modifier.waterfallPadding(): Modifier
+fun Modifier.systemGesturesPadding(): Modifier
+fun Modifier.mandatorySystemGesturesPadding(): Modifier
```

## Testing

Test: TBD

## Issues Fixed

Fixes JetBrains/compose-multiplatform#3563

compose/foundation/foundation-layout/api/desktop/foundation-layout.api

@@ -303,6 +303,21 @@ public final class androidx/compose/foundation/layout/WindowInsetsPaddingKt {
 	public static final fun withConsumedWindowInsets (Landroidx/compose/ui/Modifier;Lkotlin/jvm/functions/Function1;)Landroidx/compose/ui/Modifier;
 }
 
+public final class androidx/compose/foundation/layout/WindowInsetsPadding_skikoKt {
+	public static final fun captionBarPadding (Landroidx/compose/ui/Modifier;)Landroidx/compose/ui/Modifier;
+	public static final fun displayCutoutPadding (Landroidx/compose/ui/Modifier;)Landroidx/compose/ui/Modifier;
+	public static final fun imePadding (Landroidx/compose/ui/Modifier;)Landroidx/compose/ui/Modifier;
+	public static final fun mandatorySystemGesturesPadding (Landroidx/compose/ui/Modifier;)Landroidx/compose/ui/Modifier;
+	public static final fun navigationBarsPadding (Landroidx/compose/ui/Modifier;)Landroidx/compose/ui/Modifier;
+	public static final fun safeContentPadding (Landroidx/compose/ui/Modifier;)Landroidx/compose/ui/Modifier;
+	public static final fun safeDrawingPadding (Landroidx/compose/ui/Modifier;)Landroidx/compose/ui/Modifier;
+	public static final fun safeGesturesPadding (Landroidx/compose/ui/Modifier;)Landroidx/compose/ui/Modifier;
+	public static final fun statusBarsPadding (Landroidx/compose/ui/Modifier;)Landroidx/compose/ui/Modifier;
+	public static final fun systemBarsPadding (Landroidx/compose/ui/Modifier;)Landroidx/compose/ui/Modifier;
+	public static final fun systemGesturesPadding (Landroidx/compose/ui/Modifier;)Landroidx/compose/ui/Modifier;
+	public static final fun waterfallPadding (Landroidx/compose/ui/Modifier;)Landroidx/compose/ui/Modifier;
+}
+
 public final class androidx/compose/foundation/layout/WindowInsetsSides {
 	public static final field Companion Landroidx/compose/foundation/layout/WindowInsetsSides$Companion;
 	public static final synthetic fun box-impl (I)Landroidx/compose/foundation/layout/WindowInsetsSides;

compose/foundation/foundation-layout/build.gradle

@@ -106,7 +106,9 @@ if(AndroidXComposePlugin.isMultiplatformEnabled(project)) {
 
             jsWasmMain.dependsOn(jsNativeMain)
 
-            notMobileMain.dependsOn(commonMain)
+            skikoMain.dependsOn(commonMain)
+            uikitMain.dependsOn(skikoMain)
+            notMobileMain.dependsOn(skikoMain)
             desktopMain.dependsOn(notMobileMain)
             macosMain.dependsOn(notMobileMain)
             jsWasmMain.dependsOn(notMobileMain)

compose/foundation/foundation-layout/src/androidMain/kotlin/androidx/compose/foundation/layout/WindowInsetsPadding.android.kt

@@ -37,7 +37,7 @@ import androidx.compose.ui.platform.debugInspectorInfo
  *
  * @sample androidx.compose.foundation.layout.samples.safeDrawingPaddingSample
  */
-fun Modifier.safeDrawingPadding() =
+actual fun Modifier.safeDrawingPadding() =
     windowInsetsPadding(debugInspectorInfo { name = "safeDrawingPadding" }) { safeDrawing }
 
 /**
@@ -55,7 +55,7 @@ fun Modifier.safeDrawingPadding() =
  *
  * @sample androidx.compose.foundation.layout.samples.safeGesturesPaddingSample
  */
-fun Modifier.safeGesturesPadding() =
+actual fun Modifier.safeGesturesPadding() =
     windowInsetsPadding(debugInspectorInfo { name = "safeGesturesPadding" }) { safeGestures }
 
 /**
@@ -73,7 +73,7 @@ fun Modifier.safeGesturesPadding() =
  *
  * @sample androidx.compose.foundation.layout.samples.safeContentPaddingSample
  */
-fun Modifier.safeContentPadding() =
+actual fun Modifier.safeContentPadding() =
     windowInsetsPadding(debugInspectorInfo { name = "safeContentPadding" }) { safeContent }
 
 /**
@@ -91,7 +91,7 @@ fun Modifier.safeContentPadding() =
  *
  * @sample androidx.compose.foundation.layout.samples.systemBarsPaddingSample
  */
-fun Modifier.systemBarsPadding() =
+actual fun Modifier.systemBarsPadding() =
     windowInsetsPadding(debugInspectorInfo { name = "systemBarsPadding" }) { systemBars }
 
 /**
@@ -109,7 +109,7 @@ fun Modifier.systemBarsPadding() =
  *
  * @sample androidx.compose.foundation.layout.samples.displayCutoutPaddingSample
  */
-fun Modifier.displayCutoutPadding() =
+actual fun Modifier.displayCutoutPadding() =
     windowInsetsPadding(debugInspectorInfo { name = "displayCutoutPadding" }) { displayCutout }
 
 /**
@@ -127,7 +127,7 @@ fun Modifier.displayCutoutPadding() =
  *
  * @sample androidx.compose.foundation.layout.samples.statusBarsAndNavigationBarsPaddingSample
  */
-fun Modifier.statusBarsPadding() =
+actual fun Modifier.statusBarsPadding() =
     windowInsetsPadding(debugInspectorInfo { name = "statusBarsPadding" }) { statusBars }
 
 /**
@@ -145,7 +145,7 @@ fun Modifier.statusBarsPadding() =
  *
  * @sample androidx.compose.foundation.layout.samples.imePaddingSample
  */
-fun Modifier.imePadding() =
+actual fun Modifier.imePadding() =
     windowInsetsPadding(debugInspectorInfo { name = "imePadding" }) { ime }
 
 /**
@@ -163,7 +163,7 @@ fun Modifier.imePadding() =
  *
  * @sample androidx.compose.foundation.layout.samples.statusBarsAndNavigationBarsPaddingSample
  */
-fun Modifier.navigationBarsPadding() =
+actual fun Modifier.navigationBarsPadding() =
     windowInsetsPadding(debugInspectorInfo { name = "navigationBarsPadding" }) { navigationBars }
 
 /**
@@ -181,7 +181,7 @@ fun Modifier.navigationBarsPadding() =
  *
  * @sample androidx.compose.foundation.layout.samples.captionBarPaddingSample
  */
-fun Modifier.captionBarPadding() =
+actual fun Modifier.captionBarPadding() =
     windowInsetsPadding(debugInspectorInfo { name = "captionBarPadding" }) { captionBar }
 
 /**
@@ -199,7 +199,7 @@ fun Modifier.captionBarPadding() =
  *
  * @sample androidx.compose.foundation.layout.samples.waterfallPaddingSample
  */
-fun Modifier.waterfallPadding() =
+actual fun Modifier.waterfallPadding() =
     windowInsetsPadding(debugInspectorInfo { name = "waterfallPadding" }) { waterfall }
 
 /**
@@ -217,7 +217,7 @@ fun Modifier.waterfallPadding() =
  *
  * @sample androidx.compose.foundation.layout.samples.systemGesturesPaddingSample
  */
-fun Modifier.systemGesturesPadding() =
+actual fun Modifier.systemGesturesPadding() =
     windowInsetsPadding(debugInspectorInfo { name = "systemGesturesPadding" }) { systemGestures }
 
 /**
@@ -236,7 +236,7 @@ fun Modifier.systemGesturesPadding() =
  *
  * @sample androidx.compose.foundation.layout.samples.mandatorySystemGesturesPaddingSample
  */
-fun Modifier.mandatorySystemGesturesPadding() =
+actual fun Modifier.mandatorySystemGesturesPadding() =
     windowInsetsPadding(debugInspectorInfo { name = "mandatorySystemGesturesPadding" }) {
         mandatorySystemGestures
     }

compose/foundation/foundation-layout/src/commonMain/kotlin/androidx/compose/foundation/layout/WindowInsetsPadding.kt

@@ -140,6 +140,186 @@ fun Modifier.withConsumedWindowInsets(
     block: (consumedWindowInsets: WindowInsets) -> Unit
 ) = onConsumedWindowInsetsChanged(block)
 
+/**
+ * Adds padding to accommodate the [safe drawing][WindowInsets.Companion.safeDrawing] insets.
+ *
+ * Any insets consumed by other insets padding modifiers or [consumeWindowInsets] on a parent layout
+ * will be excluded from the padding. [WindowInsets.Companion.safeDrawing] will be
+ * [consumed][consumeWindowInsets] for child layouts as well.
+ *
+ * For example, if a parent layout uses [statusBarsPadding], the area that the parent
+ * pads for the status bars will not be padded again by this [safeDrawingPadding] modifier.
+ *
+ * @sample androidx.compose.foundation.layout.samples.safeDrawingPaddingSample
+ */
+expect fun Modifier.safeDrawingPadding(): Modifier
+
+/**
+ * Adds padding to accommodate the [safe gestures][WindowInsets.Companion.safeGestures] insets.
+ *
+ * Any insets consumed by other insets padding modifiers or [consumeWindowInsets] on a parent layout
+ * will be excluded from the padding. [WindowInsets.Companion.safeGestures] will be
+ * [consumed][consumeWindowInsets] for child layouts as well.
+ *
+ * For example, if a parent layout uses [navigationBarsPadding],
+ * the area that the parent layout pads for the status bars will not be padded again by this
+ * [safeGesturesPadding] modifier.
+ *
+ * @sample androidx.compose.foundation.layout.samples.safeGesturesPaddingSample
+ */
+expect fun Modifier.safeGesturesPadding(): Modifier
+
+/**
+ * Adds padding to accommodate the [safe content][WindowInsets.Companion.safeContent] insets.
+ *
+ * Any insets consumed by other insets padding modifiers or [consumeWindowInsets] on a parent layout
+ * will be excluded from the padding. [WindowInsets.Companion.safeContent] will be
+ * [consumed][consumeWindowInsets] for child layouts as well.
+ *
+ * For example, if a parent layout uses [navigationBarsPadding],
+ * the area that the parent layout pads for the status bars will not be padded again by this
+ * [safeContentPadding] modifier.
+ *
+ * @sample androidx.compose.foundation.layout.samples.safeContentPaddingSample
+ */
+expect fun Modifier.safeContentPadding(): Modifier
+
+/**
+ * Adds padding to accommodate the [system bars][WindowInsets.Companion.systemBars] insets.
+ *
+ * Any insets consumed by other insets padding modifiers or [consumeWindowInsets] on a parent layout
+ * will be excluded from the padding. [WindowInsets.Companion.systemBars] will be
+ * [consumed][consumeWindowInsets] for child layouts as well.
+ *
+ * For example, if a parent layout uses [statusBarsPadding], the
+ * area that the parent layout pads for the status bars will not be padded again by this
+ * [systemBarsPadding] modifier.
+ *
+ * @sample androidx.compose.foundation.layout.samples.systemBarsPaddingSample
+ */
+expect fun Modifier.systemBarsPadding(): Modifier
+
+/**
+ * Adds padding to accommodate the [display cutout][WindowInsets.Companion.displayCutout].
+ *
+ * Any insets consumed by other insets padding modifiers or [consumeWindowInsets] on a parent layout
+ * will be excluded from the padding. [WindowInsets.Companion.displayCutout] will be
+ * [consumed][consumeWindowInsets] for child layouts as well.
+ *
+ * For example, if a parent layout uses [statusBarsPadding], the
+ * area that the parent layout pads for the status bars will not be padded again by this
+ * [displayCutoutPadding] modifier.
+ *
+ * @sample androidx.compose.foundation.layout.samples.displayCutoutPaddingSample
+ */
+expect fun Modifier.displayCutoutPadding(): Modifier
+
+/**
+ * Adds padding to accommodate the [status bars][WindowInsets.Companion.statusBars] insets.
+ *
+ * Any insets consumed by other insets padding modifiers or [consumeWindowInsets] on a parent layout
+ * will be excluded from the padding. [WindowInsets.Companion.statusBars] will be
+ * [consumed][consumeWindowInsets] for child layouts as well.
+ *
+ * For example, if a parent layout uses [displayCutoutPadding], the
+ * area that the parent layout pads for the status bars will not be padded again by this
+ * [statusBarsPadding] modifier.
+ *
+ * @sample androidx.compose.foundation.layout.samples.statusBarsAndNavigationBarsPaddingSample
+ */
+expect fun Modifier.statusBarsPadding(): Modifier
+
+/**
+ * Adds padding to accommodate the [ime][WindowInsets.Companion.ime] insets.
+ *
+ * Any insets consumed by other insets padding modifiers or [consumeWindowInsets] on a parent layout
+ * will be excluded from the padding. [WindowInsets.Companion.ime] will be
+ * [consumed][consumeWindowInsets] for child layouts as well.
+ *
+ * For example, if a parent layout uses [navigationBarsPadding],
+ * the area that the parent layout pads for the status bars will not be padded again by this
+ * [imePadding] modifier.
+ *
+ * @sample androidx.compose.foundation.layout.samples.imePaddingSample
+ */
+expect fun Modifier.imePadding(): Modifier
+
+/**
+ * Adds padding to accommodate the [navigation bars][WindowInsets.Companion.navigationBars] insets.
+ *
+ * Any insets consumed by other insets padding modifiers or [consumeWindowInsets] on a parent layout
+ * will be excluded from the padding. [WindowInsets.Companion.navigationBars] will be
+ * [consumed][consumeWindowInsets] for child layouts as well.
+ *
+ * For example, if a parent layout uses [systemBarsPadding], the
+ * area that the parent layout pads for the status bars will not be padded again by this
+ * [navigationBarsPadding] modifier.
+ *
+ * @sample androidx.compose.foundation.layout.samples.statusBarsAndNavigationBarsPaddingSample
+ */
+expect fun Modifier.navigationBarsPadding(): Modifier
+
+/**
+ * Adds padding to accommodate the [caption bar][WindowInsets.Companion.captionBar] insets.
+ *
+ * Any insets consumed by other insets padding modifiers or [consumeWindowInsets] on a parent layout
+ * will be excluded from the padding. [WindowInsets.Companion.captionBar] will be
+ * [consumed][consumeWindowInsets] for child layouts as well.
+ *
+ * For example, if a parent layout uses [displayCutoutPadding], the
+ * area that the parent layout pads for the status bars will not be padded again by this
+ * [captionBarPadding] modifier.
+ *
+ * @sample androidx.compose.foundation.layout.samples.captionBarPaddingSample
+ */
+expect fun Modifier.captionBarPadding(): Modifier
+
+/**
+ * Adds padding to accommodate the [waterfall][WindowInsets.Companion.waterfall] insets.
+ *
+ * Any insets consumed by other insets padding modifiers or [consumeWindowInsets] on a parent layout
+ * will be excluded from the padding. [WindowInsets.Companion.waterfall] will be
+ * [consumed][consumeWindowInsets] for child layouts as well.
+ *
+ * For example, if a parent layout uses [systemGesturesPadding],
+ * the area that the parent layout pads for the status bars will not be padded again by this
+ * [waterfallPadding] modifier.
+ *
+ * @sample androidx.compose.foundation.layout.samples.waterfallPaddingSample
+ */
+expect fun Modifier.waterfallPadding(): Modifier
+
+/**
+ * Adds padding to accommodate the [system gestures][WindowInsets.Companion.systemGestures] insets.
+ *
+ * Any insets consumed by other insets padding modifiers or [consumeWindowInsets] on a parent layout
+ * will be excluded from the padding. [WindowInsets.Companion.systemGestures] will be
+ * [consumed][consumeWindowInsets] for child layouts as well.
+ *
+ * For example, if a parent layout uses [waterfallPadding], the
+ * area that the parent layout pads for the status bars will not be padded again by this
+ * [systemGesturesPadding] modifier.
+ *
+ * @sample androidx.compose.foundation.layout.samples.systemGesturesPaddingSample
+ */
+expect fun Modifier.systemGesturesPadding(): Modifier
+
+/**
+ * Adds padding to accommodate the
+ * [mandatory system gestures][WindowInsets.Companion.mandatorySystemGestures] insets.
+ *
+ * Any insets consumed by other insets padding modifiers or [consumeWindowInsets] on a parent layout
+ * will be excluded from the padding. [WindowInsets.Companion.mandatorySystemGestures] will be
+ * [consumed][consumeWindowInsets] for child layouts as well.
+ *
+ * For example, if a parent layout uses [navigationBarsPadding],
+ * the area that the parent layout pads for the status bars will not be padded again by this
+ * [mandatorySystemGesturesPadding] modifier.
+ *
+ * @sample androidx.compose.foundation.layout.samples.mandatorySystemGesturesPaddingSample
+ */
+expect fun Modifier.mandatorySystemGesturesPadding(): Modifier
+
 internal val ModifierLocalConsumedWindowInsets = modifierLocalOf {
     WindowInsets(0, 0, 0, 0)
 }