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ui/cocoa: add option to disable left-command forwarding to guest 

When switching between guest and host on a Mac using command-tab the
command key is sent to the guest which can trigger functionality in the
guest OS. Specifying left-command-key=off disables forwarding this key
to the guest. Defaults to enabled.

Also updated the cocoa display documentation to reference the new
left-command-key option along with the existing show-cursor option.

Signed-off-by: Carwyn Ellis <carwynellis@gmail.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@gmail.com>
[PMD: Set QAPI structure @since tag to 7.0]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
Carwyn Ellis 2022-01-02 17:41:52 +00:00 committed by Philippe Mathieu-Daudé
parent 9459262dc4
commit 48941a52c2
3 changed files with 37 additions and 1 deletions
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18
qapi/ui.json
View File

@ -1260,6 +1260,23 @@
{ 'struct' : 'DisplayCurses',
'data' : { '*charset' : 'str' } }
##
# @DisplayCocoa:
#
# Cocoa display options.
#
# @left-command-key: Enable/disable forwarding of left command key to
# guest. Allows command-tab window switching on the
# host without sending this key to the guest when
# "off". Defaults to "on"
#
# Since: 7.0
##
{ 'struct': 'DisplayCocoa',
'data': {
'*left-command-key': 'bool'
} }
##
# @DisplayType:
#
@ -1338,6 +1355,7 @@
'discriminator' : 'type',
'data' : {
'gtk': { 'type': 'DisplayGTK', 'if': 'CONFIG_GTK' },
'cocoa': { 'type': 'DisplayCocoa', 'if': 'CONFIG_COCOA' },
'curses': { 'type': 'DisplayCurses', 'if': 'CONFIG_CURSES' },
'egl-headless': { 'type': 'DisplayEGLHeadless',
'if': { 'all': ['CONFIG_OPENGL', 'CONFIG_GBM'] } },

12
qemu-options.hx
View File

@ -1922,6 +1922,9 @@ DEF("display", HAS_ARG, QEMU_OPTION_display,
#if defined(CONFIG_DBUS_DISPLAY)
"-display dbus[,addr=<dbusaddr>]\n"
" [,gl=on|core|es|off][,rendernode=<file>]\n"
#endif
#if defined(CONFIG_COCOA)
"-display cocoa[,show-cursor=on|off][,left-command-key=on|off]\n"
#endif
"-display none\n"
" select display backend type\n"
@ -2009,6 +2012,15 @@ SRST
``charset=CP850`` for IBM CP850 encoding. The default is
``CP437``.
``cocoa``
Display video output in a Cocoa window. Mac only. This interface
provides drop-down menus and other UI elements to configure and
control the VM during runtime. Valid parameters are:
``show-cursor=on|off`` : Force showing the mouse cursor
``left-command-key=on|off`` : Disable forwarding left command key to host
``egl-headless[,rendernode=<file>]``
Offload all OpenGL operations to a local DRI device. For any
graphical display, this display needs to be paired with either

8
ui/cocoa.m
View File

@ -95,6 +95,7 @@ static DisplayChangeListener dcl = {
};
static int last_buttons;
static int cursor_hide = 1;
static int left_command_key_enabled = 1;
static int gArgc;
static char **gArgv;
@ -853,7 +854,8 @@ QemuCocoaView *cocoaView;
/* Don't pass command key changes to guest unless mouse is grabbed */
case kVK_Command:
if (isMouseGrabbed &&
!!(modifiers & NSEventModifierFlagCommand)) {
!!(modifiers & NSEventModifierFlagCommand) &&
left_command_key_enabled) {
[self toggleKey:Q_KEY_CODE_META_L];
}
break;
@ -2002,6 +2004,10 @@ static void cocoa_display_init(DisplayState *ds, DisplayOptions *opts)
cursor_hide = 0;
}
if (opts->u.cocoa.has_left_command_key && !opts->u.cocoa.left_command_key) {
left_command_key_enabled = 0;
}
// register vga output callbacks
register_displaychangelistener(&dcl);