Roman Sedaikin
3 years ago
9 changed files with 104 additions and 267 deletions
@ -1,58 +1,42 @@
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package example.imageviewer.style |
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import androidx.compose.runtime.Composable |
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import androidx.compose.ui.res.imageResource |
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import androidx.compose.ui.res.painterResource |
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import java.awt.image.BufferedImage |
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import javax.imageio.ImageIO |
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@Composable |
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fun icEmpty() = imageResource("images/empty.png") |
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fun icEmpty() = painterResource("images/empty.png") |
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@Composable |
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fun icBack() = imageResource("images/back.png") |
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fun icBack() = painterResource("images/back.png") |
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@Composable |
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fun icRefresh() = imageResource("images/refresh.png") |
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fun icRefresh() = painterResource("images/refresh.png") |
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@Composable |
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fun icDots() = imageResource("images/dots.png") |
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fun icDots() = painterResource("images/dots.png") |
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@Composable |
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fun icFilterGrayscaleOn() = imageResource("images/grayscale_on.png") |
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fun icFilterGrayscaleOn() = painterResource("images/grayscale_on.png") |
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@Composable |
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fun icFilterGrayscaleOff() = imageResource("images/grayscale_off.png") |
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fun icFilterGrayscaleOff() = painterResource("images/grayscale_off.png") |
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@Composable |
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fun icFilterPixelOn() = imageResource("images/pixel_on.png") |
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fun icFilterPixelOn() = painterResource("images/pixel_on.png") |
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@Composable |
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fun icFilterPixelOff() = imageResource("images/pixel_off.png") |
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fun icFilterPixelOff() = painterResource("images/pixel_off.png") |
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@Composable |
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fun icFilterBlurOn() = imageResource("images/blur_on.png") |
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fun icFilterBlurOn() = painterResource("images/blur_on.png") |
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@Composable |
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fun icFilterBlurOff() = imageResource("images/blur_off.png") |
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fun icFilterBlurOff() = painterResource("images/blur_off.png") |
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@Composable |
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fun icFilterUnknown() = imageResource("images/filter_unknown.png") |
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fun icFilterUnknown() = painterResource("images/filter_unknown.png") |
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private var icon: BufferedImage? = null |
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fun icAppRounded(): BufferedImage { |
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if (icon != null) { |
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return icon!! |
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} |
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try { |
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val imageRes = "images/ic_imageviewer_round.png" |
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val img = Thread.currentThread().contextClassLoader.getResource(imageRes) |
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val bitmap: BufferedImage? = ImageIO.read(img) |
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if (bitmap != null) { |
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icon = bitmap |
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return bitmap |
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} |
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} catch (e: Exception) { |
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e.printStackTrace() |
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} |
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return BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB) |
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} |
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@Composable |
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fun icAppRounded() = painterResource("images/ic_imageviewer_round.png") |
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@ -1,158 +0,0 @@
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package example.imageviewer.utils |
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import androidx.compose.desktop.AppManager |
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import androidx.compose.desktop.AppWindow |
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import androidx.compose.desktop.WindowEvents |
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import androidx.compose.runtime.* |
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import androidx.compose.ui.unit.IntOffset |
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import androidx.compose.ui.unit.IntSize |
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import androidx.compose.ui.window.v1.MenuBar |
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import kotlinx.coroutines.* |
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import kotlinx.coroutines.swing.Swing |
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import java.awt.image.BufferedImage |
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fun Application( |
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content: @Composable ApplicationScope.() -> Unit |
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) { |
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GlobalScope.launch(Dispatchers.Swing + ImmediateFrameClock()) { |
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AppManager.setEvents(onWindowsEmpty = null) |
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withRunningRecomposer { recomposer -> |
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val latch = CompletableDeferred<Unit>() |
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val applier = ApplicationApplier { latch.complete(Unit) } |
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val composition = Composition(applier, recomposer) |
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try { |
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val scope = ApplicationScope(recomposer) |
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composition.setContent { scope.content() } |
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latch.join() |
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} finally { |
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composition.dispose() |
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} |
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} |
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} |
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} |
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class ApplicationScope internal constructor(private val recomposer: Recomposer) { |
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@Composable |
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fun ComposableWindow( |
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title: String = "JetpackDesktopWindow", |
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size: IntSize = IntSize(800, 600), |
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location: IntOffset = IntOffset.Zero, |
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centered: Boolean = true, |
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icon: BufferedImage? = null, |
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menuBar: MenuBar? = null, |
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undecorated: Boolean = false, |
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resizable: Boolean = true, |
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events: WindowEvents = WindowEvents(), |
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onDismissRequest: (() -> Unit)? = null, |
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content: @Composable () -> Unit = {} |
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) { |
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var isOpened by remember { mutableStateOf(true) } |
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if (!isOpened) return |
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ComposeNode<AppWindow, ApplicationApplier>( |
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factory = { |
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val window = AppWindow( |
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title = title, |
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size = size, |
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location = location, |
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centered = centered, |
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icon = icon, |
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menuBar = menuBar, |
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undecorated = undecorated, |
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resizable = resizable, |
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events = events, |
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onDismissRequest = { |
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onDismissRequest?.invoke() |
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isOpened = false |
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} |
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) |
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window.show(recomposer, content) |
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window |
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}, |
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update = { |
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set(title) { setTitle(it) } |
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set(size) { setSize(it.width, it.height) } |
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// set(location) { setLocation(it.x, it.y) } |
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set(icon) { setIcon(it) } |
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// set(menuBar) { if (it != null) setMenuBar(it) else removeMenuBar() } |
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// set(resizable) { setResizable(it) } |
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// set(events) { setEvents(it) } |
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// set(onDismissRequest) { setDismiss(it) } |
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} |
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) |
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} |
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} |
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private class ImmediateFrameClock : MonotonicFrameClock { |
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override suspend fun <R> withFrameNanos( |
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onFrame: (frameTimeNanos: Long) -> R |
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) = onFrame(System.nanoTime()) |
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} |
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private class ApplicationApplier( |
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private val onWindowsEmpty: () -> Unit |
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) : Applier<AppWindow?> { |
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private val windows = mutableListOf<AppWindow>() |
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override var current: AppWindow? = null |
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override fun insertBottomUp(index: Int, instance: AppWindow?) { |
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requireNotNull(instance) |
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check(current == null) { "Windows cannot be nested!" } |
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windows.add(index, instance) |
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} |
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override fun remove(index: Int, count: Int) { |
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repeat(count) { |
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val window = windows.removeAt(index) |
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if (!window.isClosed) { |
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window.close() |
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} |
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} |
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} |
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override fun move(from: Int, to: Int, count: Int) { |
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if (from > to) { |
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var current = to |
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repeat(count) { |
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val node = windows.removeAt(from) |
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windows.add(current, node) |
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current++ |
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} |
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} else { |
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repeat(count) { |
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val node = windows.removeAt(from) |
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windows.add(to - 1, node) |
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} |
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} |
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} |
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override fun clear() { |
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windows.forEach { if (!it.isClosed) it.close() } |
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windows.clear() |
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} |
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override fun onEndChanges() { |
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if (windows.isEmpty()) { |
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onWindowsEmpty() |
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} |
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} |
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override fun down(node: AppWindow?) { |
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requireNotNull(node) |
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check(current == null) { "Windows cannot be nested!" } |
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current = node |
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} |
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override fun up() { |
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check(current != null) { "Windows cannot be nested!" } |
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current = null |
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} |
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override fun insertTopDown(index: Int, instance: AppWindow?) { |
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// ignored. Building tree bottom-up |
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} |
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} |
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@ -1,47 +1,58 @@
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package example.imageviewer |
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import androidx.compose.desktop.DesktopTheme |
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import androidx.compose.material.MaterialTheme |
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import androidx.compose.runtime.remember |
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import androidx.compose.ui.Alignment |
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import androidx.compose.ui.Modifier |
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import androidx.compose.ui.window.Window |
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import androidx.compose.ui.window.WindowState |
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import androidx.compose.ui.window.WindowPosition |
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import androidx.compose.ui.window.application |
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import androidx.compose.ui.window.rememberWindowState |
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import example.imageviewer.model.ContentState |
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import example.imageviewer.style.icAppRounded |
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import example.imageviewer.utils.Application |
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import example.imageviewer.utils.getPreferredWindowSize |
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import example.imageviewer.view.BuildAppUI |
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import example.imageviewer.view.SplashUI |
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fun main() = Application { |
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fun main() = application { |
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val state = rememberWindowState() |
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val content = remember { |
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ContentState.applyContent( |
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state, |
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"https://raw.githubusercontent.com/JetBrains/compose-jb/master/artwork/imageviewerrepo/fetching.list" |
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) |
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} |
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val icon = remember(::icAppRounded) |
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val icon = icAppRounded() |
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if (content.isAppReady()) { |
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ComposableWindow( |
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Window( |
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onCloseRequest = ::exitApplication, |
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title = "Image Viewer", |
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size = getPreferredWindowSize(800, 1000), |
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state = WindowState( |
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position = WindowPosition.Aligned(Alignment.Center), |
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size = getPreferredWindowSize(800, 1000) |
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), |
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icon = icon |
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) { |
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MaterialTheme { |
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DesktopTheme { |
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BuildAppUI(content) |
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} |
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BuildAppUI(content) |
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} |
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} |
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} else { |
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ComposableWindow( |
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Window( |
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onCloseRequest = ::exitApplication, |
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title = "Image Viewer", |
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size = getPreferredWindowSize(800, 300), |
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state = WindowState( |
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position = WindowPosition.Aligned(Alignment.Center), |
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size = getPreferredWindowSize(800, 300) |
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), |
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undecorated = true, |
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icon = icon, |
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) { |
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MaterialTheme { |
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DesktopTheme { |
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SplashUI() |
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} |
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SplashUI() |
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} |
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} |
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} |
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