Setting to allow hot key window to float above windows even in background.

This is useful for watching the status of a terminal even when you're
doing other things.

sources/HotkeyWindowController.m

@@ -170,6 +170,11 @@ static void RollInHotkeyTerm(PseudoTerminal* term)
         }
     }
     if (term) {
+        if ([iTermAdvancedSettingsModel hotkeyWindowFloatsAboveOtherWindows]) {
+            term.window.level = NSFloatingWindowLevel;
+        } else {
+            term.window.level = NSNormalWindowLevel;
+        }
         [term setIsHotKeyWindow:YES];
         [[term window] setAlphaValue:0];

sources/PTYSession.m

@@ -6966,6 +6966,10 @@ static NSTimeInterval kMinimumPartialLineTriggerCheckInterval = 0.5;
     return [[self tab] realParentWindow];
 }
+- (BOOL)popupWindowIsInHotkeyWindow {
+    return self.tab.realParentWindow.isHotKeyWindow;
+}
+
 - (VT100Screen *)popupVT100Screen {
     return _screen;
 }

sources/Popup.h

@@ -23,6 +23,7 @@
 // Return YES if the delegate handles it, NO if Popup should handle it.
 - (BOOL)popupHandleSelector:(SEL)selector string:(NSString *)string currentValue:(NSString *)currentValue;
 - (void)popupWillClose:(Popup *)popup;
+- (BOOL)popupWindowIsInHotkeyWindow;
 @end

sources/Popup.m

@@ -2,6 +2,7 @@
 #import "Popup.h"
 #import "DebugLogging.h"
+#import "iTermAdvancedSettingsModel.h"
 #import "NSWindow+PSM.h"
 #import "PopupEntry.h"
 #import "PopupModel.h"
@@ -93,11 +94,15 @@
     return YES;
 }
-- (void)popWithDelegate:(id<PopupDelegate>)delegate
-{
+- (void)popWithDelegate:(id<PopupDelegate>)delegate {
     self.delegate = delegate;
-    
+
     [[self window] setParentWindow:delegate.popupWindowController.window];
+    if (delegate.popupWindowIsInHotkeyWindow &&
+        [iTermAdvancedSettingsModel hotkeyWindowFloatsAboveOtherWindows]) {
+        self.window.level = NSPopUpMenuWindowLevel;
+    }
+
     self.window.alphaValue = 0;
     [self showWindow:delegate.popupWindowController];
     [[self window] makeKeyAndOrderFront:delegate.popupWindowController];

sources/PopupWindow.m

@@ -54,8 +54,7 @@
     shutdown_ = YES;
 }
-- (void)setParentWindow:(NSWindow*)parentWindow
-{
+- (void)setParentWindow:(NSWindow*)parentWindow {
     [parentWindow_ autorelease];
     parentWindow_ = [parentWindow retain];
 }

sources/iTermAdvancedSettingsModel.h

@@ -17,6 +17,7 @@
 + (BOOL)alternateMouseScroll;
 + (BOOL)traditionalVisualBell;
 + (double)hotkeyTermAnimationDuration;
++ (BOOL)hotkeyWindowFloatsAboveOtherWindows;
 + (NSString *)searchCommand;
 + (double)antiIdleTimerPeriod;
 + (BOOL)dockIconTogglesWindow;

sources/iTermAdvancedSettingsModel.m

@@ -83,6 +83,7 @@ DEFINE_BOOL(requireCmdForDraggingText, NO, @"Terminal: To drag images or selecte
 #pragma mark Hotkey
 DEFINE_FLOAT(hotkeyTermAnimationDuration, 0.25, @"Hotkey: Duration in seconds of the hotkey window animation.");
 DEFINE_BOOL(dockIconTogglesWindow, NO, @"Hotkey: If the only window is a hotkey window, then clicking the dock icon shows or hides it.");
+DEFINE_BOOL(hotkeyWindowFloatsAboveOtherWindows, NO, @"Hotkey: The hotkey window floats above other windows even when another application is active.\nYou must disable “Prefs > Keys > Hotkey window hides when focus is lost” for this setting to be effective.");
 #pragma mark General
 DEFINE_STRING(searchCommand, @"http://google.com/search?q=%@", @"General: Template for URL of search engine.\niTerm2 replaces the string “%@” with the text to search for. Query parameter percent escaping is used.");