[Qemu-devel] [patch] ui/cocoa.m: Add Machine menu with pause and resume items

[Programmingkid]

Adds a Machine menu with a pause and resume menu item.

Adds feature that displays the word pause on the screen when paused.

Signed-off-by: John Arbuckle <address@hidden>

---

 ui/cocoa.m |   79 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-

 1 files changed, 78 insertions(+), 1 deletions(-)

diff --git a/ui/cocoa.m b/ui/cocoa.m

index d37c29b..8122566 100644

--- a/ui/cocoa.m

+++ b/ui/cocoa.m

@@ -29,6 +29,7 @@

 #include "ui/console.h"

 #include "ui/input.h"

 #include "sysemu/sysemu.h"

+#include "qmp-commands.h"

 

 #ifndef MAC_OS_X_VERSION_10_4

 #define MAC_OS_X_VERSION_10_4 1040

@@ -64,6 +65,7 @@ static int last_buttons;

 

 int gArgc;

 char **gArgv;

+NSTextField * pauseLabel;

 

 // keymap conversion

 int keymap[] =

@@ -239,7 +241,26 @@ static int cocoa_keycode_to_qemu(int keycode)

     return keymap[keycode];

 }

 

-

+/*

+   Adds the Machine menu to the menu bar.

+   Has to be added separately because QEMU needs

+   to be running to determine used items.

+*/

+static void createMachineMenu()

+{

+    NSMenu * menu;

+    NSMenuItem * menuItem;

+

+    // Machine menu

+     menu = [[NSMenu alloc] initWithTitle: @"Machine"];

+    [menu setAutoenablesItems: NO];

+    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Pause" action: @selector(pauseQemu:) keyEquivalent: @""] autorelease]];

+    [menu addItem: [[[NSMenuItem alloc] initWithTitle: @"Resume" action: @selector(resumeQemu:) keyEquivalent: @""] autorelease]];

+    menuItem = [[[NSMenuItem alloc] initWithTitle: @"Machine" action:nil keyEquivalent:@""] autorelease];

+    [menuItem setSubmenu:menu];

+    [[NSApp mainMenu] insertItem: menuItem atIndex: 2]; // Insert after View menu

+    [[menu itemWithTitle: @"Resume"] setEnabled: NO];  // Disables the Resume menu item because it isn't needed right now.

+}

 

 /*

  ------------------------------------------------------

@@ -801,6 +822,10 @@ QemuCocoaView *cocoaView;

 - (void)toggleFullScreen:(id)sender;

 - (void)showQEMUDoc:(id)sender;

 - (void)showQEMUTec:(id)sender;

+- (void)pauseQemu:(id)sender;

+- (void)resumeQemu: (id) sender;

+- (void)displayPause;

+- (void)removePause;

 @end

 

 @implementation QemuCocoaAppController

@@ -833,6 +858,17 @@ QemuCocoaView *cocoaView;

         [normalWindow makeKeyAndOrderFront:self];

         [normalWindow center];

 

+        /* Used for displaying pause on the screen */

+        pauseLabel = [NSTextField new];

+        [pauseLabel setBezeled:YES];

+        [pauseLabel setDrawsBackground:YES];

+        [pauseLabel setBackgroundColor: [NSColor whiteColor]];

+        [pauseLabel setEditable:NO];

+        [pauseLabel setSelectable:NO];

+        [pauseLabel setStringValue: @"Paused"];

+        [pauseLabel setFont: [NSFont fontWithName: @"Helvetica" size: 90]];

+        [pauseLabel setTextColor: [NSColor blackColor]];

+        [pauseLabel sizeToFit];

     }

     return self;

 }

@@ -943,6 +979,44 @@ QemuCocoaView *cocoaView;

     [[NSWorkspace sharedWorkspace] openFile:[NSString stringWithFormat:@"%@/../doc/qemu/qemu-tech.html",

         [[NSBundle mainBundle] resourcePath]] withApplication:@"Help Viewer"];

 }

+

+/* Pause the guest */

+- (void)pauseQemu:(id)sender

+{

+    qmp_stop(NULL);

+    [sender setEnabled: NO];

+    [[[sender menu] itemWithTitle: @"Resume"] setEnabled: YES];

+    [self displayPause];

+}

+

+/* Resume running the guest operating system */

+- (void)resumeQemu: (id) sender

+{

+    qmp_cont(NULL);

+    [sender setEnabled: NO];

+    [[[sender menu] itemWithTitle: @"Pause"] setEnabled: YES];

+    [self removePause];

+}

+

+/* Displays the word pause on the screen */

+- (void)displayPause

+{

+    /* Coordinates have to be calculated each time because the window can change its size */

+    int xCoord, yCoord, width, height;

+    xCoord = ([normalWindow frame].size.width - [pauseLabel frame].size.width)/2;

+    yCoord = [normalWindow frame].size.height - [pauseLabel frame].size.height - ([pauseLabel frame].size.height * .5);

+    width = [pauseLabel frame].size.width;

+    height = [pauseLabel frame].size.height;

+    [pauseLabel setFrame: NSMakeRect(xCoord, yCoord, width, height)];

+    [cocoaView addSubview: pauseLabel];

+}

+

+/* Removes the word pause from the screen */

+- (void)removePause

+{

+    [pauseLabel removeFromSuperview];

+}

+

 @end

 

 

@@ -1128,4 +1202,7 @@ void cocoa_display_init(DisplayState *ds, int full_screen)

 

     // register cleanup function

     atexit(cocoa_cleanup);

+

+    // Creates and adds the Machine menu to the menubar

+    createMachineMenu();

 }

-- 

1.7.5.4