JulianandClaude Opus 5
d685bf492a
On Xfce with compositing off, X11 has no alpha to blend against, so the transparent background came out as a black box around the cat. When a window comes up without an alpha channel, TNCat now cuts the window down to the pixels the drawing covers, using the X11 shape extension, and refreshes that 15 times a second so it follows the animation. A sitting cat in a 120 x 106 window comes out as 96 rectangles over 29 percent of the window, so most of the box is gone. Edges are harder than with a compositor, one bit per pixel, and the log says so and names the Xfce setting that gives smooth ones instead. The image-to-rectangles step is platform independent and folds every device row into its window row, which both halves the rectangle count on a scaled display and keeps a pixel that is opaque in only one of them. xcb and xcb-shape are picked up through pkg-config on Unix and the build still works without them. Opaque mode now paints a neutral card rather than the coat colour. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
112 lines
3.6 KiB
QML
112 lines
3.6 KiB
QML
pragma ComponentBehavior: Bound
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import QtQuick
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import TNCat
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// One small window that is exactly the cat. Used wherever a client may place
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// its own window, which is everything except Wayland.
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Window {
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id: win
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required property CatController cat
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required property AppSettings settings
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signal settingsRequested()
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width: settings.catSize
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// The drawing knows its own proportions; no constant to keep in sync.
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height: Math.round(width * sprite.implicitHeight / sprite.implicitWidth)
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x: cat.x
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y: Screen.desktopAvailableHeight - height - settings.bottomMargin
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// A neutral card reads better than the coat colour when the background
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// cannot be transparent at all.
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color: Platform.opaqueBackground ? "#f2f0ec" : "transparent"
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flags: Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint | Qt.Tool
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| Qt.NoDropShadowWindowHint | Qt.WindowDoesNotAcceptFocus
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| (Platform.bypassWindowManager ? Qt.X11BypassWindowManagerHint : 0)
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visible: true
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title: qsTr("TNCat")
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Component.onCompleted: {
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cat.stageWidth = Screen.desktopAvailableWidth
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cat.catWidth = width
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Platform.checkTranslucency(win)
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if (Platform.debug)
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win.logGeometry("created")
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}
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function logGeometry(what) {
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console.log("TNCat cat window", what,
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"x", win.x, "y", win.y, "w", win.width, "h", win.height,
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"| screen", Screen.width + "x" + Screen.height,
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"available", Screen.desktopAvailableWidth + "x" + Screen.desktopAvailableHeight,
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"| platform", Platform.name, "overlay", Platform.overlayMode)
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}
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onHeightChanged: if (Platform.debug) logGeometry("height changed")
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onWidthChanged: {
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cat.catWidth = width
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if (Platform.debug)
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logGeometry("width changed")
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}
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Screen.onDesktopAvailableWidthChanged: cat.stageWidth = Screen.desktopAvailableWidth
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// Without a compositor the window is cut to the cat's own outline. The
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// drawing animates, so the shape has to be refreshed; 15 Hz is enough for
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// a swinging leg and cheap enough for a window this small.
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Timer {
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interval: 66
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repeat: true
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running: Platform.shapeWindows && win.visible
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triggeredOnStart: true
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onTriggered: Platform.updateWindowShape(win)
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}
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// The eyes need to know where the face sits on the desktop.
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Binding {
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target: win.cat
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property: "catCenter"
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value: Qt.point(win.x + win.width / 2, win.y + win.height / 2)
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}
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Cat {
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id: sprite
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anchors.fill: parent
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coat: win.settings.coat
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facingRight: win.cat.facingRight
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mood: win.cat.moodName
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lifted: win.cat.dragging
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petted: win.cat.hovered && !win.cat.dragging
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look: win.cat.look
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showCodes: win.settings.showCodes
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Accessible.role: Accessible.Button
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Accessible.name: qsTr("TNCat")
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}
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HoverHandler {
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onHoveredChanged: win.cat.hovered = hovered
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}
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DragHandler {
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target: null
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onActiveChanged: win.cat.dragging = active
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onCentroidChanged: {
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if (active)
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win.cat.x = Math.max(0, Math.min(win.cat.stageWidth - win.width,
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win.x + centroid.position.x - centroid.pressPosition.x))
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}
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}
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TapHandler {
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acceptedButtons: Qt.LeftButton
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onTapped: win.cat.pet()
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onDoubleTapped: win.settingsRequested()
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onLongPressed: win.settingsRequested()
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}
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TapHandler {
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acceptedButtons: Qt.RightButton
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onTapped: win.settingsRequested()
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}
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}
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