Merge tag 'misc-20240619' of https://github.com/philmd/qemu into staging

Misc patches queue

. Remove deprecated pc-i440fx-2.0 -> 2.3 machines (Phil)
. Always use little endian audio format in virtio-snd (Phil)
. Avoid using Monitor in INTERRUPT_STATS_PROVIDER::print_info (Phil)
. Introduce x-query-interrupt-controllers QMP command (Phil)
. Introduce pnv_chip_foreach_cpu() to remove one CPU_FOREACH use (Cédric)
. Constify few uses of IOMMUTLBEvent (Phil)
. Wire loongson_ipi device to loongson3_virt/TCG (Jiaxun)
. Fix inclusion of tracing headers on s390x/TCG (Phil)
. Add few shortcuts missing to readline (Manos)
. Update ui/display entries in MAINTAINERS (Gerd)
. Use qemu_add_mouse_change_notifier on Cocoa (Akihiko)
. Fix Standard VGA screen blanking and cleanups (Gerd)
. Fix USB/MTP reported "free space" value (Fabio)
. Cast size_memop() returned value (Roman)

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# gpg: Signature made Wed 19 Jun 2024 03:53:26 AM PDT
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]

* tag 'misc-20240619' of https://github.com/philmd/qemu: (74 commits)
  exec: Make the MemOp enum cast explicit
  ui+display: rename is_buffer_shared() -> surface_is_allocated()
  ui+display: rename is_placeholder() -> surface_is_placeholder()
  stdvga: fix screen blanking
  ui/cocoa: Use qemu_add_mouse_change_notifier
  MAINTAINERS: drop spice+ui maintainership
  MAINTAINERS: drop virtio-gpu maintainership
  util/readline: Add C-u shortcut
  util/readline: Add C-n, C-p shortcuts
  util/readline: Fix lints for readline_handle_byte
  target/s390x: Use s390_skeys_get|set() helper
  hw/s390x: Introduce s390_skeys_get|set() helpers
  hw/mips/loongson3_virt: Wire up loongson_ipi device
  hw/intc/loongson_ipi: Replace ipi_getcpu with cpu_by_arch_id
  hw/intc/loongson_ipi: Provide per core MMIO address spaces
  hw/intc: Remove loongarch_ipi.c
  hw/usb/dev-mtp: Correctly report free space
  hw/usb: Remove unused 'host.h' header
  hw/i386/iommu: Constify IOMMUTLBEvent in vtd_page_walk_hook prototype
  memory: Constify IOMMUTLBEvent in memory_region_notify_iommu()
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 38 insertions, 24 deletions

diff --git a/ui/cocoa.m b/ui/cocoa.m
index 981615a8b9..2935247cdd 100644
--- a/ui/cocoa.m
+++ b/ui/cocoa.m
@@ -296,6 +296,14 @@ static void handleAnyDeviceErrors(Error * err)
 {
     QEMUScreen screen;
     pixman_image_t *pixman_image;
+    /* The state surrounding mouse grabbing is potentially confusing.
+     * isAbsoluteEnabled tracks qemu_input_is_absolute() [ie "is the emulated
+     *   pointing device an absolute-position one?"], but is only updated on
+     *   next refresh.
+     * isMouseGrabbed tracks whether GUI events are directed to the guest;
+     *   it controls whether special keys like Cmd get sent to the guest,
+     *   and whether we capture the mouse when in non-absolute mode.
+     */
     BOOL isMouseGrabbed;
     BOOL isAbsoluteEnabled;
     CFMachPortRef eventsTap;
@@ -307,17 +315,8 @@ static void handleAnyDeviceErrors(Error * err)
 - (void) handleMonitorInput:(NSEvent *)event;
 - (bool) handleEvent:(NSEvent *)event;
 - (bool) handleEventLocked:(NSEvent *)event;
-- (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled;
-/* The state surrounding mouse grabbing is potentially confusing.
- * isAbsoluteEnabled tracks qemu_input_is_absolute() [ie "is the emulated
- *   pointing device an absolute-position one?"], but is only updated on
- *   next refresh.
- * isMouseGrabbed tracks whether GUI events are directed to the guest;
- *   it controls whether special keys like Cmd get sent to the guest,
- *   and whether we capture the mouse when in non-absolute mode.
- */
+- (void) notifyMouseModeChange;
 - (BOOL) isMouseGrabbed;
-- (BOOL) isAbsoluteEnabled;
 - (QEMUScreen) gscreen;
 - (void) raiseAllKeys;
 @end
@@ -404,6 +403,7 @@ static CGEventRef handleTapEvent(CGEventTapProxy proxy, CGEventType type, CGEven
     qkbd_state_switch_console(kbd, con);
     dcl.con = con;
     register_displaychangelistener(&dcl);
+    [self notifyMouseModeChange];
     [self updateUIInfo];
 }
 
@@ -1109,14 +1109,26 @@ static CGEventRef handleTapEvent(CGEventTapProxy proxy, CGEventType type, CGEven
     [self raiseAllButtons];
 }
 
-- (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled {
+- (void) notifyMouseModeChange {
+    bool tIsAbsoluteEnabled = bool_with_bql(^{
+        return qemu_input_is_absolute(dcl.con);
+    });
+
+    if (tIsAbsoluteEnabled == isAbsoluteEnabled) {
+        return;
+    }
+
     isAbsoluteEnabled = tIsAbsoluteEnabled;
+
     if (isMouseGrabbed) {
-        CGAssociateMouseAndMouseCursorPosition(isAbsoluteEnabled);
+        if (isAbsoluteEnabled) {
+            [self ungrabMouse];
+        } else {
+            CGAssociateMouseAndMouseCursorPosition(isAbsoluteEnabled);
+        }
     }
 }
 - (BOOL) isMouseGrabbed {return isMouseGrabbed;}
-- (BOOL) isAbsoluteEnabled {return isAbsoluteEnabled;}
 - (QEMUScreen) gscreen {return screen;}
 
 /*
@@ -1791,6 +1803,17 @@ static void addRemovableDevicesMenuItems(void)
     qapi_free_BlockInfoList(pointerToFree);
 }
 
+static void cocoa_mouse_mode_change_notify(Notifier *notifier, void *data)
+{
+    dispatch_async(dispatch_get_main_queue(), ^{
+        [cocoaView notifyMouseModeChange];
+    });
+}
+
+static Notifier mouse_mode_change_notifier = {
+    .notify = cocoa_mouse_mode_change_notify
+};
+
 @interface QemuCocoaPasteboardTypeOwner : NSObject<NSPasteboardTypeOwner>
 @end
 
@@ -1975,17 +1998,6 @@ static void cocoa_refresh(DisplayChangeListener *dcl)
     COCOA_DEBUG("qemu_cocoa: cocoa_refresh\n");
     graphic_hw_update(dcl->con);
 
-    if (qemu_input_is_absolute(dcl->con)) {
-        dispatch_async(dispatch_get_main_queue(), ^{
-            if (![cocoaView isAbsoluteEnabled]) {
-                if ([cocoaView isMouseGrabbed]) {
-                    [cocoaView ungrabMouse];
-                }
-            }
-            [cocoaView setAbsoluteEnabled:YES];
-        });
-    }
-
     if (cbchangecount != [[NSPasteboard generalPasteboard] changeCount]) {
         qemu_clipboard_info_unref(cbinfo);
         cbinfo = qemu_clipboard_info_new(&cbpeer, QEMU_CLIPBOARD_SELECTION_CLIPBOARD);
@@ -2062,6 +2074,8 @@ static void cocoa_display_init(DisplayState *ds, DisplayOptions *opts)
 
     // register vga output callbacks
     register_displaychangelistener(&dcl);
+    qemu_add_mouse_mode_change_notifier(&mouse_mode_change_notifier);
+    [cocoaView notifyMouseModeChange];
     [cocoaView updateUIInfo];
 
     qemu_event_init(&cbevent, false);