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path: root/modules/system/quickshell/Launcher.qml
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import QtQuick
import QtQuick.Controls
import QtQuick.Layouts
import Quickshell
import Quickshell.Wayland

PanelWindow {
    id: root

    WlrLayershell.layer: WlrLayer.Overlay
    WlrLayershell.namespace: "launcher"
    WlrLayershell.keyboardFocus: WlrKeyboardFocus.Exclusive
    WlrLayershell.exclusiveZone: -1
    
    exclusionMode: ExclusionMode.Ignore
    
    // Centering logic
    anchors {
        top: true
    }
    margins.top: 200

    implicitWidth: 600
    implicitHeight: 400
    
    color: "transparent"
    visible: GlobalState.activePopup === "Launcher"
    
    onVisibleChanged: {
        if (visible) {
            searchInput.forceActiveFocus()
            searchInput.text = ""
        }
    }

    Scope {
        id: internal

        function filterApps(searchText) {
            const search = searchText.toLowerCase()
            const apps = DesktopEntries.applications.values
            
            return apps.filter(app => {
                if (app.noDisplay) return false
                if (!search) return true
                
                return app.name.toLowerCase().includes(search) || 
                       (app.comment && app.comment.toLowerCase().includes(search))
            })
        }
    }

    FocusScope {
        anchors.fill: parent
        focus: true

        Squircle {
            id: launcherContent
            anchors.fill: parent
            cornerRadius: 12
            fillColor: Theme.barBg
            strokeColor: Theme.border
            strokeWidth: 1

            // Capture Escape to close
            Keys.onEscapePressed: GlobalState.close()

            ColumnLayout {
                anchors.fill: parent
                anchors.margins: 12
                spacing: 8

            // Search Header
            RowLayout {
                Layout.fillWidth: true
                spacing: 12

                Image {
                    width: 24; height: 24
                    source: Quickshell.iconPath("system-search-symbolic")
                    sourceSize: Qt.size(24, 24)
                    smooth: true
                    mipmap: true
                    opacity: 0.7
                }

                TextInput {
                    id: searchInput
                    Layout.fillWidth: true
                    font {
                        family: Theme.mainFont
                        pixelSize: 20
                    }
                    color: Theme.text
                    clip: true
                    
                    focus: true
                    cursorVisible: true
                    selectByMouse: true
                    inputMethodHints: Qt.ImhNoPredictiveText
                    
                    Text {
                        visible: searchInput.text === ""
                        text: "Search Applications..."
                        color: Theme.text
                        opacity: 0.3
                        font: searchInput.font
                    }

                    onTextChanged: resultsList.currentIndex = 0
                    
                    Keys.onPressed: event => {
                        if (event.key === Qt.Key_Down) {
                            resultsList.incrementCurrentIndex()
                            event.accepted = true
                        } else if (event.key === Qt.Key_Up) {
                            resultsList.decrementCurrentIndex()
                            event.accepted = true
                        } else if (event.key === Qt.Key_Return || event.key === Qt.Key_Enter) {
                            if (resultsList.count > 0 && resultsList.currentIndex >= 0) {
                                if (resultsList.currentItem) {
                                    resultsList.currentItem.launch()
                                }
                            }
                            event.accepted = true
                        }
                    }
                }
            }

            Rectangle {
                Layout.fillWidth: true
                height: 1
                color: Theme.border
            }

            ListView {
                id: resultsList
                Layout.fillWidth: true
                Layout.fillHeight: true
                clip: true
                boundsBehavior: Flickable.StopAtBounds
                highlightFollowsCurrentItem: true
                highlightMoveDuration: 150
                highlightResizeDuration: 0
                
                highlight: Squircle {
                    width: resultsList.width
                    height: 44
                    cornerRadius: 8
                    fillColor: Theme.surface
                    z: 1
                }
                
                model: internal.filterApps(searchInput.text)
                
                delegate: Squircle {
                    id: delegateRoot
                    required property var modelData
                    required property int index
                    
                    height: 44
                    width: resultsList.width
                    
                    cornerRadius: 8
                    fillColor: "transparent"
                    z: 5

                    function launch() {
                        if (modelData && modelData.execute) {
                            modelData.execute()
                            GlobalState.close()
                        }
                    }

                    RowLayout {
                        anchors.fill: parent
                        anchors.leftMargin: 12
                        anchors.rightMargin: 12
                        spacing: 12

                        Image {
                            width: 24; height: 24
                            source: Quickshell.iconPath(modelData.icon)
                            sourceSize: Qt.size(32, 32)
                            smooth: true
                            mipmap: true
                        }

                        Column {
                            Layout.fillWidth: true
                            Text {
                                text: delegateRoot.modelData.name
                                color: Theme.text
                                font {
                                    family: Theme.mainFont
                                    pixelSize: 14
                                    weight: Font.Medium
                                }
                            }
                            Text {
                                visible: delegateRoot.modelData.comment !== ""
                                text: delegateRoot.modelData.comment
                                color: Theme.textMuted
                                font {
                                    family: Theme.mainFont
                                    pixelSize: 11
                                }
                                elide: Text.ElideRight
                                width: parent.width
                            }
                        }
                    }

                    MouseArea {
                        anchors.fill: parent
                        hoverEnabled: true
                        onEntered: resultsList.currentIndex = index
                        onClicked: delegateRoot.launch()
                    }
                }
                
                ScrollBar.vertical: ScrollBar {}
            }
        }
    }
}
}