Merge tag 'hw-misc-20240326' of https://github.com/philmd/qemu into staging

Misc HW patch queue

[hw]
- Do not silently overwrite 'io_timeout' property in scsi-generic (Lorenz)
- Propagate period when enabling a clock in stm32l4x5 mux (Arnaud, Phil)
- Add missing smbios_get_table_legacy() stub (Igor)
- Append a space in gpa2hva() HMP error message (Yao)
- Fix compiler warning in 'execlog' plugin (Yao)

[target]
- i386: Enable page walking from MMIO memory (Gregory, Jonathan)
- tricore: Use correct string format in cpu_tlb_fill (Phil)

[docs]
- Fix formatting in amigang.rst (Zoltan)

[ui]
- Fix cocoa regression in platform fullscreen toggling (Akihiko)

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* tag 'hw-misc-20240326' of https://github.com/philmd/qemu:
  ui/cocoa: Use NSTrackingInVisibleRect
  ui/cocoa: Resize window after toggling zoom-to-fit
  ui/cocoa: Fix aspect ratio
  hw/smbios: add stub for smbios_get_table_legacy()
  contrib/plugins/execlog: Fix compiler warning
  docs/system/ppc/amigang.rst: Fix formatting
  hw/misc/stm32l4x5_rcc: Propagate period when enabling a clock
  hw/misc/stm32l4x5_rcc: Inline clock_update() in clock_mux_update()
  hw/clock: Let clock_set_mul_div() return a boolean value
  target/tricore/helper: Use correct string format in cpu_tlb_fill()
  monitor/hmp-cmds-target: Append a space in error message in gpa2hva()
  hw/scsi/scsi-generic: Fix io_timeout property not applying
  target/i386/tcg: Enable page walking from MMIO memory

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 55 insertions, 35 deletions

diff --git a/ui/cocoa.m b/ui/cocoa.m
index 810751c..25e0db9 100644
--- a/ui/cocoa.m
+++ b/ui/cocoa.m
@@ -307,7 +307,6 @@ static void handleAnyDeviceErrors(Error * err)
 */
 @interface QemuCocoaView : NSView
 {
-    NSTrackingArea *trackingArea;
     QEMUScreen screen;
     pixman_image_t *pixman_image;
     BOOL isMouseGrabbed;
@@ -359,6 +358,19 @@ static CGEventRef handleTapEvent(CGEventTapProxy proxy, CGEventType type, CGEven
     self = [super initWithFrame:frameRect];
     if (self) {
 
+        NSTrackingAreaOptions options = NSTrackingActiveInKeyWindow |
+                                        NSTrackingMouseEnteredAndExited |
+                                        NSTrackingMouseMoved |
+                                        NSTrackingInVisibleRect;
+
+        NSTrackingArea *trackingArea =
+            [[NSTrackingArea alloc] initWithRect:CGRectZero
+                                         options:options
+                                           owner:self
+                                        userInfo:nil];
+
+        [self addTrackingArea:trackingArea];
+        [trackingArea release];
         screen.width = frameRect.size.width;
         screen.height = frameRect.size.height;
 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_VERSION_14_0
@@ -389,41 +401,9 @@ static CGEventRef handleTapEvent(CGEventTapProxy proxy, CGEventType type, CGEven
     return YES;
 }
 
-- (void) removeTrackingRect
-{
-    if (trackingArea) {
-        [self removeTrackingArea:trackingArea];
-        [trackingArea release];
-        trackingArea = nil;
-    }
-}
-
-- (void) frameUpdated
-{
-    [self removeTrackingRect];
-
-    if ([self window]) {
-        NSTrackingAreaOptions options = NSTrackingActiveInKeyWindow |
-                                        NSTrackingMouseEnteredAndExited |
-                                        NSTrackingMouseMoved;
-        trackingArea = [[NSTrackingArea alloc] initWithRect:[self frame]
-                                                    options:options
-                                                      owner:self
-                                                   userInfo:nil];
-        [self addTrackingArea:trackingArea];
-        [self updateUIInfo];
-    }
-}
-
 - (void) viewDidMoveToWindow
 {
     [self resizeWindow];
-    [self frameUpdated];
-}
-
-- (void) viewWillMoveToWindow:(NSWindow *)newWindow
-{
-    [self removeTrackingRect];
 }
 
 - (void) selectConsoleLocked:(unsigned int)index
@@ -519,6 +499,43 @@ static CGEventRef handleTapEvent(CGEventTapProxy proxy, CGEventType type, CGEven
     }
 }
 
+- (NSSize)fixAspectRatio:(NSSize)max
+{
+    NSSize scaled;
+    NSSize fixed;
+
+    scaled.width = screen.width * max.height;
+    scaled.height = screen.height * max.width;
+
+    /*
+     * Here screen is our guest's output size, and max is the size of the
+     * largest possible area of the screen we can display on.
+     * We want to scale up (screen.width x screen.height) by either:
+     *   1) max.height / screen.height
+     *   2) max.width / screen.width
+     * With the first scale factor the scale will result in an output height of
+     * max.height (i.e. we will fill the whole height of the available screen
+     * space and have black bars left and right) and with the second scale
+     * factor the scaling will result in an output width of max.width (i.e. we
+     * fill the whole width of the available screen space and have black bars
+     * top and bottom). We need to pick whichever keeps the whole of the guest
+     * output on the screen, which is to say the smaller of the two scale
+     * factors.
+     * To avoid doing more division than strictly necessary, instead of directly
+     * comparing scale factors 1 and 2 we instead calculate and compare those
+     * two scale factors multiplied by (screen.height * screen.width).
+     */
+    if (scaled.width < scaled.height) {
+        fixed.width = scaled.width / screen.height;
+        fixed.height = max.height;
+    } else {
+        fixed.width = max.width;
+        fixed.height = scaled.height / screen.width;
+    }
+
+    return fixed;
+}
+
 - (NSSize) screenSafeAreaSize
 {
     NSSize size = [[[self window] screen] frame].size;
@@ -536,8 +553,10 @@ static CGEventRef handleTapEvent(CGEventTapProxy proxy, CGEventType type, CGEven
         [[self window] setContentSize:NSMakeSize(screen.width, screen.height)];
         [[self window] center];
     } else if ([[self window] styleMask] & NSWindowStyleMaskFullScreen) {
-        [[self window] setContentSize:[self screenSafeAreaSize]];
+        [[self window] setContentSize:[self fixAspectRatio:[self screenSafeAreaSize]]];
         [[self window] center];
+    } else {
+        [[self window] setContentSize:[self fixAspectRatio:[self frame].size]];
     }
 }
 
@@ -1275,7 +1294,7 @@ static CGEventRef handleTapEvent(CGEventTapProxy proxy, CGEventType type, CGEven
 - (void)windowDidResize:(NSNotification *)notification
 {
     [cocoaView updateBounds];
-    [cocoaView frameUpdated];
+    [cocoaView updateUIInfo];
 }
 
 /* Called when the user clicks on a window's close button */
@@ -1369,6 +1388,7 @@ static CGEventRef handleTapEvent(CGEventTapProxy proxy, CGEventType type, CGEven
 
     [[cocoaView window] setStyleMask:styleMask];
     [sender setState:styleMask & NSWindowStyleMaskResizable ? NSControlStateValueOn : NSControlStateValueOff];
+    [cocoaView resizeWindow];
 }
 
 - (void)toggleZoomInterpolation:(id) sender