Reduce top bar height on landscape mode

app/src/main/kotlin/ee/ria/DigiDoc/ui/component/shared/TopBar.kt

@@ -51,6 +51,7 @@ import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.compose.ui.layout.onGloballyPositioned
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.platform.LocalFocusManager
+import androidx.compose.ui.platform.LocalWindowInfo
 import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.res.vectorResource
@@ -59,10 +60,13 @@ import androidx.compose.ui.semantics.isTraversalGroup
 import androidx.compose.ui.semantics.popup
 import androidx.compose.ui.semantics.semantics
 import androidx.compose.ui.semantics.testTagsAsResourceId
+import androidx.compose.ui.text.style.TextOverflow
 import androidx.core.net.toUri
 import androidx.lifecycle.asFlow
 import ee.ria.DigiDoc.R
+import ee.ria.DigiDoc.ui.theme.Dimensions.compactToolbarHeight
 import ee.ria.DigiDoc.ui.theme.Dimensions.iconSizeXXS
+import ee.ria.DigiDoc.utils.window.WindowUtil
 import ee.ria.DigiDoc.utilsLib.text.TextUtil
 import ee.ria.DigiDoc.viewmodel.shared.SharedMenuViewModel
 import kotlinx.coroutines.CoroutineScope
@@ -128,13 +132,16 @@ fun TopBar(
     val coroutineScope = rememberCoroutineScope()
     var debounceJob by remember { mutableStateOf<Job?>(null) }
 
+    val isCompactLandscape = WindowUtil.isCompactLandscapeWindow(LocalWindowInfo.current.containerDpSize)
+
     TopAppBar(
         modifier =
             modifier
                 .semantics {
                     isTraversalGroup = true
                     testTagsAsResourceId = true
                 }.testTag("toolbar"),
+        expandedHeight = if (isCompactLandscape) compactToolbarHeight else TopAppBarDefaults.TopAppBarExpandedHeight,
         colors =
             TopAppBarDefaults.topAppBarColors(
                 containerColor = MaterialTheme.colorScheme.surface,
@@ -183,7 +190,8 @@ fun TopBar(
                 PreventResize {
                     Text(
                         text = stringResource(id = title),
-                        maxLines = 2,
+                        maxLines = if (isCompactLandscape) 1 else 2,
+                        overflow = if (isCompactLandscape) TextOverflow.Ellipsis else TextOverflow.Clip,
                         modifier =
                             modifier
                                 .semantics { heading() }

app/src/main/kotlin/ee/ria/DigiDoc/ui/theme/Dimensions.kt

@@ -25,7 +25,7 @@ import androidx.compose.ui.unit.dp
 
 object Dimensions {
     // Heights
-    val toolbarHeight = 48.dp
+    val compactToolbarHeight = 48.dp
     val dividerHeight = 0.1.dp
     val invisibleElementHeight = 1.dp
 

app/src/main/kotlin/ee/ria/DigiDoc/utils/window/WindowUtil.kt

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2017 - 2026 Riigi Infosüsteemi Amet
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+@file:Suppress("PackageName")
+
+package ee.ria.DigiDoc.utils.window
+
+import androidx.compose.ui.unit.DpSize
+import androidx.compose.ui.unit.dp
+
+object WindowUtil {
+    private val compactHeightBreakpoint = 480.dp
+    private val mediumWidthBreakpoint = 600.dp
+
+    fun isCompactLandscapeWindow(windowSize: DpSize): Boolean =
+        windowSize.height < compactHeightBreakpoint && windowSize.width >= mediumWidthBreakpoint
+}

app/src/test/kotlin/ee/ria/DigiDoc/utils/window/WindowUtilTest.kt

@@ -0,0 +1,86 @@
+/*
+ * Copyright 2017 - 2026 Riigi Infosüsteemi Amet
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+@file:Suppress("PackageName")
+
+package ee.ria.DigiDoc.utils.window
+
+import androidx.compose.ui.unit.DpSize
+import androidx.compose.ui.unit.dp
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
+import org.junit.Test
+
+class WindowUtilTest {
+    @Test
+    fun windowUtil_isCompactLandscapeWindow_phoneLandscapeReturnsTrue() {
+        assertTrue(WindowUtil.isCompactLandscapeWindow(DpSize(915.dp, 411.dp)))
+    }
+
+    @Test
+    fun windowUtil_isCompactLandscapeWindow_phonePortraitReturnsFalse() {
+        assertFalse(WindowUtil.isCompactLandscapeWindow(DpSize(411.dp, 915.dp)))
+    }
+
+    @Test
+    fun windowUtil_isCompactLandscapeWindow_phonePortraitSplitScreenReturnsFalse() {
+        // Landscape-shaped but far too narrow for a single-line title
+        assertFalse(WindowUtil.isCompactLandscapeWindow(DpSize(411.dp, 400.dp)))
+    }
+
+    @Test
+    fun windowUtil_isCompactLandscapeWindow_phoneLandscapeSideBySideSplitReturnsFalse() {
+        assertFalse(WindowUtil.isCompactLandscapeWindow(DpSize(453.dp, 412.dp)))
+    }
+
+    @Test
+    fun windowUtil_isCompactLandscapeWindow_tabletLandscapeReturnsFalse() {
+        assertFalse(WindowUtil.isCompactLandscapeWindow(DpSize(1280.dp, 800.dp)))
+    }
+
+    @Test
+    fun windowUtil_isCompactLandscapeWindow_tabletPortraitReturnsFalse() {
+        assertFalse(WindowUtil.isCompactLandscapeWindow(DpSize(800.dp, 1280.dp)))
+    }
+
+    @Test
+    fun windowUtil_isCompactLandscapeWindow_smallestDisplaySizePhoneLandscapeReturnsFalse() {
+        assertFalse(WindowUtil.isCompactLandscapeWindow(DpSize(1075.dp, 484.dp)))
+    }
+
+    @Test
+    fun windowUtil_isCompactLandscapeWindow_heightExactlyAtBreakpointReturnsFalse() {
+        assertFalse(WindowUtil.isCompactLandscapeWindow(DpSize(915.dp, 480.dp)))
+    }
+
+    @Test
+    fun windowUtil_isCompactLandscapeWindow_widthExactlyAtBreakpointReturnsTrue() {
+        assertTrue(WindowUtil.isCompactLandscapeWindow(DpSize(600.dp, 479.dp)))
+    }
+
+    @Test
+    fun windowUtil_isCompactLandscapeWindow_widthJustBelowBreakpointReturnsFalse() {
+        assertFalse(WindowUtil.isCompactLandscapeWindow(DpSize(599.dp, 479.dp)))
+    }
+
+    @Test
+    fun windowUtil_isCompactLandscapeWindow_zeroSizeReturnsFalse() {
+        assertFalse(WindowUtil.isCompactLandscapeWindow(DpSize.Zero))
+    }
+}