mirror of
https://github.com/wailsapp/wails.git
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337 lines
9.0 KiB
Go
337 lines
9.0 KiB
Go
//go:build linux
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package application
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import "C"
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import (
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"fmt"
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"github.com/wailsapp/wails/v3/internal/assetserver"
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"github.com/wailsapp/wails/v3/internal/capabilities"
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"github.com/wailsapp/wails/v3/internal/runtime"
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"github.com/wailsapp/wails/v3/pkg/events"
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"math"
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)
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type dragInfo struct {
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XRoot int
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YRoot int
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DragTime uint32
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MouseButton uint
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}
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type linuxWebviewWindow struct {
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id uint
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application pointer
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window pointer
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webview pointer
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parent *WebviewWindow
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menubar pointer
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vbox pointer
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menu *Menu
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accels pointer
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lastWidth int
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lastHeight int
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drag dragInfo
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lastX, lastY int
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gtkmenu pointer
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}
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var (
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registered bool = false // avoid 'already registered message' about 'wails://'
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)
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func (w *linuxWebviewWindow) endDrag(button uint, x, y int) {
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w.drag.XRoot = 0.0
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w.drag.YRoot = 0.0
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w.drag.DragTime = 0
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}
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func (w *linuxWebviewWindow) connectSignals() {
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cb := func(e events.WindowEventType) {
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w.parent.emit(e)
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}
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w.setupSignalHandlers(cb)
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}
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func (w *linuxWebviewWindow) openContextMenu(menu *Menu, data *ContextMenuData) {
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// Create the menu manually because we don't want a gtk_menu_bar
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// as the top-level item
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ctxMenu := &linuxMenu{
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menu: menu,
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}
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if menu.impl == nil {
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ctxMenu.update()
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}
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native := ctxMenu.menu.impl.(*linuxMenu).native
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w.contextMenuShow(native, data)
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}
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func (w *linuxWebviewWindow) getScreen() (*Screen, error) {
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mx, my, width, height, scale := w.getCurrentMonitorGeometry()
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return &Screen{
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ID: fmt.Sprintf("%d", w.id), // A unique identifier for the display
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Name: w.parent.Name(), // The name of the display
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Scale: float32(scale), // The scale factor of the display
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X: mx, // The x-coordinate of the top-left corner of the rectangle
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Y: my, // The y-coordinate of the top-left corner of the rectangle
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Size: Size{Width: width, Height: height}, // The size of the display
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Bounds: Rect{}, // The bounds of the display
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WorkArea: Rect{}, // The work area of the display
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IsPrimary: false, // Whether this is the primary display
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Rotation: 0.0, // The rotation of the display
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}, nil
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}
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func (w *linuxWebviewWindow) focus() {
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w.present()
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}
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func (w *linuxWebviewWindow) isNormal() bool {
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return !w.isMinimised() && !w.isMaximised() && !w.isFullscreen()
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}
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func (w *linuxWebviewWindow) setFullscreenButtonEnabled(enabled bool) {
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// C.setFullscreenButtonEnabled(w.nsWindow, C.bool(enabled))
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fmt.Println("setFullscreenButtonEnabled - not implemented")
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}
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func (w *linuxWebviewWindow) disableSizeConstraints() {
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x, y, width, height, scale := w.getCurrentMonitorGeometry()
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w.setMinMaxSize(x, y, width*scale, height*scale)
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}
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func (w *linuxWebviewWindow) unminimise() {
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w.present()
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}
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func (w *linuxWebviewWindow) flash(enabled bool) {
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// Not supported on linux
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}
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func (w *linuxWebviewWindow) on(eventID uint) {
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// TODO: Test register/unregister listener for linux events
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//C.registerListener(C.uint(eventID))
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}
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func (w *linuxWebviewWindow) zoom() {
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w.zoomIn()
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}
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func (w *linuxWebviewWindow) windowZoom() {
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w.zoom() // FIXME> This should be removed
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}
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func (w *linuxWebviewWindow) forceReload() {
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w.reload()
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}
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func (w *linuxWebviewWindow) center() {
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x, y, width, height, _ := w.getCurrentMonitorGeometry()
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if x == -1 && y == -1 && width == -1 && height == -1 {
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return
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}
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windowWidth, windowHeight := w.size()
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newX := ((width - windowWidth) / 2) + x
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newY := ((height - windowHeight) / 2) + y
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// Place the window at the center of the monitor
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w.move(newX, newY)
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}
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func (w *linuxWebviewWindow) restore() {
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// restore window to normal size
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// FIXME: never called! - remove from webviewImpl interface
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}
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func newWindowImpl(parent *WebviewWindow) *linuxWebviewWindow {
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// (*C.struct__GtkWidget)(m.native)
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//var menubar *C.struct__GtkWidget
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result := &linuxWebviewWindow{
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application: getNativeApplication().application,
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parent: parent,
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// menubar: menubar,
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}
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return result
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}
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func (w *linuxWebviewWindow) setMinMaxSize(minWidth, minHeight, maxWidth, maxHeight int) {
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if minWidth == 0 {
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minWidth = -1
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}
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if minHeight == 0 {
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minHeight = -1
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}
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if maxWidth == 0 {
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maxWidth = math.MaxInt
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}
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if maxHeight == 0 {
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maxHeight = math.MaxInt
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}
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windowSetGeometryHints(w.window, minWidth, minHeight, maxWidth, maxHeight)
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}
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func (w *linuxWebviewWindow) setMinSize(width, height int) {
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w.setMinMaxSize(width, height, w.parent.options.MaxWidth, w.parent.options.MaxHeight)
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}
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func (w *linuxWebviewWindow) setMaxSize(width, height int) {
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w.setMinMaxSize(w.parent.options.MinWidth, w.parent.options.MinHeight, width, height)
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}
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func (w *linuxWebviewWindow) setRelativePosition(x, y int) {
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mx, my, _, _, _ := w.getCurrentMonitorGeometry()
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w.move(x+mx, y+my)
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}
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func (w *linuxWebviewWindow) width() int {
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width, _ := w.size()
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return width
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}
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func (w *linuxWebviewWindow) height() int {
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_, height := w.size()
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return height
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}
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func (w *linuxWebviewWindow) setAbsolutePosition(x int, y int) {
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// Set the window's absolute position
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w.move(x, y)
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}
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func (w *linuxWebviewWindow) run() {
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for eventId := range w.parent.eventListeners {
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w.on(eventId)
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}
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// Register the capabilities
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globalApplication.capabilities = capabilities.NewCapabilities()
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app := getNativeApplication()
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var menu = w.menu
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if menu == nil && globalApplication.ApplicationMenu != nil {
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menu = globalApplication.ApplicationMenu.clone()
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}
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if menu != nil {
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InvokeSync(func() {
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menu.Update()
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})
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w.menu = menu
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w.gtkmenu = (menu.impl).(*linuxMenu).native
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}
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w.window, w.webview, w.vbox = windowNew(app.application, w.gtkmenu, w.parent.id, w.parent.options.Linux.WebviewGpuPolicy)
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app.registerWindow(w.window, w.parent.id) // record our mapping
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w.connectSignals()
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if w.parent.options.EnableDragAndDrop {
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w.enableDND()
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}
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w.setTitle(w.parent.options.Title)
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w.setAlwaysOnTop(w.parent.options.AlwaysOnTop)
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w.setResizable(!w.parent.options.DisableResize)
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// only set min/max size if actually set
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if w.parent.options.MinWidth != 0 &&
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w.parent.options.MinHeight != 0 &&
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w.parent.options.MaxWidth != 0 &&
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w.parent.options.MaxHeight != 0 {
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w.setMinMaxSize(
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w.parent.options.MinWidth,
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w.parent.options.MinHeight,
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w.parent.options.MaxWidth,
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w.parent.options.MaxHeight,
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)
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}
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w.setSize(w.parent.options.Width, w.parent.options.Height)
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w.setZoom(w.parent.options.Zoom)
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if w.parent.options.BackgroundType != BackgroundTypeSolid {
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w.setTransparent()
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w.setBackgroundColour(w.parent.options.BackgroundColour)
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}
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w.setFrameless(w.parent.options.Frameless)
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if w.parent.options.X != 0 || w.parent.options.Y != 0 {
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w.setRelativePosition(w.parent.options.X, w.parent.options.Y)
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} else {
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w.center()
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}
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switch w.parent.options.StartState {
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case WindowStateMaximised:
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w.maximise()
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case WindowStateMinimised:
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w.minimise()
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case WindowStateFullscreen:
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w.fullscreen()
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case WindowStateNormal:
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}
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//if w.parent.options.IgnoreMouseEvents {
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// windowIgnoreMouseEvents(w.window, w.webview, true)
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//}
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startURL, err := assetserver.GetStartURL(w.parent.options.URL)
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if err != nil {
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globalApplication.fatal(err.Error())
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}
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w.setURL(startURL)
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w.parent.On(events.Linux.WindowLoadChanged, func(_ *WindowEvent) {
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if w.parent.options.JS != "" {
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w.execJS(w.parent.options.JS)
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}
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if w.parent.options.CSS != "" {
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js := fmt.Sprintf("(function() { var style = document.createElement('style'); style.appendChild(document.createTextNode('%s')); document.head.appendChild(style); })();", w.parent.options.CSS)
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w.execJS(js)
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}
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})
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w.parent.On(events.Linux.WindowDeleteEvent, func(e *WindowEvent) {
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w.parent.emit(events.Common.WindowClosing)
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})
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w.parent.RegisterHook(events.Linux.WindowLoadChanged, func(e *WindowEvent) {
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w.execJS(runtime.Core())
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})
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if w.parent.options.HTML != "" {
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w.setHTML(w.parent.options.HTML)
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}
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if !w.parent.options.Hidden {
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w.show()
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if w.parent.options.X != 0 || w.parent.options.Y != 0 {
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w.setRelativePosition(w.parent.options.X, w.parent.options.Y)
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} else {
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w.center() // needs to be queued until after GTK starts up!
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}
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}
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if w.parent.options.DevToolsEnabled || globalApplication.isDebugMode {
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w.enableDevTools()
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if w.parent.options.OpenInspectorOnStartup {
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w.openDevTools()
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}
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}
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}
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func (w *linuxWebviewWindow) startResize(border string) error {
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// FIXME: what do we need to do here?
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return nil
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}
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func (w *linuxWebviewWindow) nativeWindowHandle() uintptr {
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return uintptr(w.window)
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}
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func (w *linuxWebviewWindow) print() error {
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w.execJS("window.print();")
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return nil
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}
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func (w *linuxWebviewWindow) handleKeyEvent(acceleratorString string) {
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// Parse acceleratorString
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// accelerator, err := parseAccelerator(acceleratorString)
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// if err != nil {
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// globalApplication.error("unable to parse accelerator: %s", err.Error())
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// return
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// }
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w.parent.processKeyBinding(acceleratorString)
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}
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