feat: show window partially on-screen (closes #727)

src/logic/Application.swift

@@ -87,11 +87,11 @@ class Application: NSObject {
                             let size = try $0.size()
                             let isOnNormalLevel = $0.isOnNormalLevel(wid)
                             if $0.isActualWindow(self.runningApplication, wid, isOnNormalLevel, title, subrole, role, size) {
-                                return ($0, wid, title, try $0.isFullscreen(), try $0.isMinimized(), try $0.position())
+                                return ($0, wid, title, try $0.isFullscreen(), try $0.isMinimized(), try $0.position(), size)
                             }
                         }
                         return nil
-                    } as [(AXUIElement, CGWindowID, String?, Bool, Bool, CGPoint?)]
+                    } as [(AXUIElement, CGWindowID, String?, Bool, Bool, CGPoint?, CGSize?)]
                     DispatchQueue.main.async { [weak self] in
                         guard let self = self else { return }
                         var windows = self.addWindows(axWindows)
@@ -115,10 +115,10 @@ class Application: NSObject {
         }
     }
 
-    private func addWindows(_ axWindows: [(AXUIElement, CGWindowID, String?, Bool, Bool, CGPoint?)]) -> [Window] {
-        let windows: [Window] = axWindows.compactMap { (axUiElement, wid, axTitle, isFullscreen, isMinimized, position) in
+    private func addWindows(_ axWindows: [(AXUIElement, CGWindowID, String?, Bool, Bool, CGPoint?, CGSize?)]) -> [Window] {
+        let windows: [Window] = axWindows.compactMap { (axUiElement, wid, axTitle, isFullscreen, isMinimized, position, size) in
             if (Windows.list.firstIndex { $0.isEqualRobust(axUiElement, wid) }) == nil {
-                let window = Window(axUiElement, self, wid, axTitle, isFullscreen, isMinimized, position)
+                let window = Window(axUiElement, self, wid, axTitle, isFullscreen, isMinimized, position, size)
                 Windows.appendAndUpdateFocus(window)
                 return window
             }

src/logic/Window.swift

@@ -16,6 +16,7 @@ class Window {
     var isOnAllSpaces = false
     var isWindowlessApp = false
     var position: CGPoint?
+    var size: CGSize?
     var spaceId = CGSSpaceID.max
     var spaceIndex = SpaceIndex.max
     var axUiElement: AXUIElement!
@@ -32,7 +33,7 @@ class Window {
         kAXWindowMovedNotification,
     ]
 
-    init(_ axUiElement: AXUIElement, _ application: Application, _ wid: CGWindowID, _ axTitle: String?, _ isFullscreen: Bool, _ isMinimized: Bool, _ position: CGPoint?) {
+    init(_ axUiElement: AXUIElement, _ application: Application, _ wid: CGWindowID, _ axTitle: String?, _ isFullscreen: Bool, _ isMinimized: Bool, _ position: CGPoint?, _ size: CGSize?) {
         // TODO: make a efficient batched AXUIElementCopyMultipleAttributeValues call once for each window, and store the values
         self.axUiElement = axUiElement
         self.application = application
@@ -42,6 +43,7 @@ class Window {
         self.isFullscreen = isFullscreen
         self.isMinimized = isMinimized
         self.position = position
+        self.size = size
         self.title = bestEffortTitle(axTitle)
         if !Preferences.hideThumbnails {
             refreshThumbnail()

src/logic/Windows.swift

@@ -202,10 +202,11 @@ class Windows {
     }
 
     static func isOnScreen(_ window: Window, _ screen: NSScreen) -> Bool {
-        if let position = window.position {
+        if let topLeftCorner = window.position, let size = window.size {
             var screenFrameInQuartzCoordinates = screen.frame
             screenFrameInQuartzCoordinates.origin.y = NSMaxY(NSScreen.screens[0].frame) - NSMaxY(screen.frame)
-            return screenFrameInQuartzCoordinates.contains(position)
+            let windowRect = CGRect(origin: topLeftCorner, size: size)
+            return windowRect.intersects(screenFrameInQuartzCoordinates)
         }
         return true
     }

src/logic/events/AccessibilityEvents.swift

@@ -96,7 +96,7 @@ fileprivate func windowCreated(_ element: AXUIElement, _ pid: pid_t) throws {
                let runningApp = NSRunningApplication(processIdentifier: pid),
                element.isActualWindow(runningApp, wid, isOnNormalLevel, axTitle, subrole, role, size),
                let app = (Applications.list.first { $0.pid == pid }) {
-                let window = Window(element, app, wid, axTitle, isFullscreen, isMinimized, position)
+                let window = Window(element, app, wid, axTitle, isFullscreen, isMinimized, position, size)
                 Windows.appendAndUpdateFocus(window)
                 Windows.cycleFocusedWindowIndex(1)
                 App.app.refreshOpenUi([window])
@@ -124,7 +124,7 @@ fileprivate func focusedWindowChanged(_ element: AXUIElement, _ pid: pid_t) thro
                 App.app.refreshOpenUi(windows)
             } else if element.isActualWindow(runningApp, wid, isOnNormalLevel, axTitle, subrole, role, size),
                       let app = (Applications.list.first { $0.pid == pid }) {
-                let window = Window(element, app, wid, axTitle, isFullscreen, isMinimized, position)
+                let window = Window(element, app, wid, axTitle, isFullscreen, isMinimized, position, size)
                 Windows.appendAndUpdateFocus(window)
                 App.app.refreshOpenUi([window])
             }