Fit modeless preferences dialog to its contents too.

[wxWidgets.git] / src / osx / cocoa / evtloop.mm

diff --git a/src/osx/cocoa/evtloop.mm b/src/osx/cocoa/evtloop.mm
index 4798214f02d40d2e565fe441f8cc81d893ae7f3f..135f936de528e28f269bde091b4aecbbfeeb0846 100644 (file)
--- a/src/osx/cocoa/evtloop.mm
+++ b/src/osx/cocoa/evtloop.mm
@@ -4,7 +4,7 @@
 // Author:      Vadim Zeitlin, Stefan Csomor
 // Modified by:
 // Created:     2006-01-12
 // Author:      Vadim Zeitlin, Stefan Csomor
 // Modified by:
 // Created:     2006-01-12

-// RCS-ID:      $Id: evtloop.cpp 54845 2008-07-30 14:52:41Z SC $
+// RCS-ID:      $Id$

 // Copyright:   (c) 2006 Vadim Zeitlin <vadim@wxwindows.org>
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 // Copyright:   (c) 2006 Vadim Zeitlin <vadim@wxwindows.org>
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////


@@ -28,6 +28,7 @@
 
 #ifndef WX_PRECOMP
     #include "wx/app.h"
 
 #ifndef WX_PRECOMP
     #include "wx/app.h"

+    #include "wx/nonownedwnd.h"

 #endif // WX_PRECOMP
 
 #include "wx/log.h"
 #endif // WX_PRECOMP
 
 #include "wx/log.h"


@@ -38,76 +39,112 @@
 // wxEventLoop implementation
 // ============================================================================
 
 // wxEventLoop implementation
 // ============================================================================
 

-/*
-static int CalculateNSEventMaskFromEventCategory(wxEventCategory cat)
-{
-       NSLeftMouseDownMask     |
-       NSLeftMouseUpMask |
-       NSRightMouseDownMask |
-       NSRightMouseUpMask              = 1 << NSRightMouseUp,
-       NSMouseMovedMask                = 1 << NSMouseMoved,
-       NSLeftMouseDraggedMask          = 1 << NSLeftMouseDragged,
-       NSRightMouseDraggedMask         = 1 << NSRightMouseDragged,
-       NSMouseEnteredMask              = 1 << NSMouseEntered,
-       NSMouseExitedMask               = 1 << NSMouseExited,
-        NSScrollWheelMask              = 1 << NSScrollWheel,
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
-       NSTabletPointMask               = 1 << NSTabletPoint,
-       NSTabletProximityMask           = 1 << NSTabletProximity,
-#endif
-       NSOtherMouseDownMask            = 1 << NSOtherMouseDown,
-       NSOtherMouseUpMask              = 1 << NSOtherMouseUp,
-       NSOtherMouseDraggedMask         = 1 << NSOtherMouseDragged,
-
-
+#if 0

 
 

-       NSKeyDownMask                   = 1 << NSKeyDown,
-       NSKeyUpMask                     = 1 << NSKeyUp,
-       NSFlagsChangedMask              = 1 << NSFlagsChanged,
+// in case we want to integrate this

 
 

-       NSAppKitDefinedMask             = 1 << NSAppKitDefined,
-       NSSystemDefinedMask             = 1 << NSSystemDefined,
-       NSApplicationDefinedMask        = 1 << NSApplicationDefined,
-       NSPeriodicMask                  = 1 << NSPeriodic,
-       NSCursorUpdateMask              = 1 << NSCursorUpdate,
+static NSUInteger CalculateNSEventMaskFromEventCategory(wxEventCategory cat)
+{
+    // the masking system doesn't really help, as only the lowlevel UI events
+    // are split in a useful way, all others are way to broad
+        
+    if ( (cat | wxEVT_CATEGORY_USER_INPUT) && (cat | (~wxEVT_CATEGORY_USER_INPUT) ) )
+        return NSAnyEventMask;
+    
+    NSUInteger mask = 0;

 
 

-       NSAnyEventMask                  = 0xffffffffU
+    if ( cat | wxEVT_CATEGORY_USER_INPUT )
+    {
+        mask |=
+            NSLeftMouseDownMask        |
+            NSLeftMouseUpMask |
+            NSRightMouseDownMask |
+            NSRightMouseUpMask |
+            NSMouseMovedMask |
+            NSLeftMouseDraggedMask |
+            NSRightMouseDraggedMask |
+            NSMouseEnteredMask |
+            NSMouseExitedMask |
+            NSScrollWheelMask |
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
+            NSTabletPointMask |
+            NSTabletProximityMask |
+#endif
+            NSOtherMouseDownMask |
+            NSOtherMouseUpMask |
+            NSOtherMouseDraggedMask |
+
+            NSKeyDownMask |
+            NSKeyUpMask |
+            NSFlagsChangedMask |
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+            NSEventMaskGesture |
+            NSEventMaskMagnify |
+            NSEventMaskSwipe |
+            NSEventMaskRotate |
+            NSEventMaskBeginGesture |
+            NSEventMaskEndGesture |
+#endif
+            0;
+    }
+    
+    if ( cat | (~wxEVT_CATEGORY_USER_INPUT) )
+    {
+        mask |= 
+            NSAppKitDefinedMask |
+            NSSystemDefinedMask |
+            NSApplicationDefinedMask |
+            NSPeriodicMask |
+            NSCursorUpdateMask;
+    }
+    
+    return mask;

 }
 }

-*/

 
 

-wxGUIEventLoop::wxGUIEventLoop()
-{
-    m_sleepTime = 0.0;
-}
+#endif

 
 

-void wxGUIEventLoop::WakeUp()
+wxGUIEventLoop::wxGUIEventLoop()

 {
 {

-    extern void wxMacWakeUp();
-
-    wxMacWakeUp();
+    m_modalSession = nil;
+    m_dummyWindow = nil;
+    m_modalNestedLevel = 0;
+    m_modalWindow = NULL;
+    m_osxLowLevelWakeUp = false;

 }
 
 }
 

-CFRunLoopRef wxGUIEventLoop::CFGetCurrentRunLoop() const
+wxGUIEventLoop::~wxGUIEventLoop()

 {
 {

-    NSRunLoop* nsloop = [NSRunLoop currentRunLoop];
-    return [nsloop getCFRunLoop];
+    wxASSERT( m_modalSession == nil );
+    wxASSERT( m_dummyWindow == nil );
+    wxASSERT( m_modalNestedLevel == 0 );

 }
 
 //-----------------------------------------------------------------------------
 // events dispatch and loop handling
 //-----------------------------------------------------------------------------
 
 }
 
 //-----------------------------------------------------------------------------
 // events dispatch and loop handling
 //-----------------------------------------------------------------------------
 

+#if 0
+

 bool wxGUIEventLoop::Pending() const
 {
 bool wxGUIEventLoop::Pending() const
 {

+#if 0
+    // this code doesn't reliably detect pending events
+    // so better return true and have the dispatch deal with it
+    // as otherwise we end up in a tight loop when idle events are responded
+    // to by RequestMore(true)

     wxMacAutoreleasePool autoreleasepool;
     wxMacAutoreleasePool autoreleasepool;

-    // a pointer to the event is returned if there is one, or nil if not
+  

     return [[NSApplication sharedApplication]
             nextEventMatchingMask: NSAnyEventMask
             untilDate: nil
             inMode: NSDefaultRunLoopMode
     return [[NSApplication sharedApplication]
             nextEventMatchingMask: NSAnyEventMask
             untilDate: nil
             inMode: NSDefaultRunLoopMode

-            dequeue: NO];
+            dequeue: NO] != nil;
+#else
+    return true;
+#endif

 }
 
 }
 

+

 bool wxGUIEventLoop::Dispatch()
 {
     if ( !wxTheApp )
 bool wxGUIEventLoop::Dispatch()
 {
     if ( !wxTheApp )


@@ -121,8 +158,16 @@ bool wxGUIEventLoop::Dispatch()
                 inMode:NSDefaultRunLoopMode
                 dequeue: YES])
     {
                 inMode:NSDefaultRunLoopMode
                 dequeue: YES])
     {

+        WXEVENTREF formerEvent = wxTheApp == NULL ? NULL : wxTheApp->MacGetCurrentEvent();
+        WXEVENTHANDLERCALLREF formerHandler = wxTheApp == NULL ? NULL : wxTheApp->MacGetCurrentEventHandlerCallRef();
+
+        if (wxTheApp)
+            wxTheApp->MacSetCurrentEvent(event, NULL);

         m_sleepTime = 0.0;
         [NSApp sendEvent: event];
         m_sleepTime = 0.0;
         [NSApp sendEvent: event];

+
+        if (wxTheApp)
+            wxTheApp->MacSetCurrentEvent(formerEvent , formerHandler);

     }
     else
     {
     }
     else
     {


@@ -145,60 +190,274 @@ bool wxGUIEventLoop::Dispatch()
     return true;
 }
 
     return true;
 }
 

-bool wxGUIEventLoop::YieldFor(long eventsToProcess)
+#endif
+
+int wxGUIEventLoop::DoDispatchTimeout(unsigned long timeout)

 {
 {

-#if wxUSE_THREADS
-    // Yielding from a non-gui thread needs to bail out, otherwise we end up
-    // possibly sending events in the thread too.
-    if ( !wxThread::IsMain() )
+    wxMacAutoreleasePool autoreleasepool;
+
+    if ( m_modalSession )
+    {
+        NSInteger response = [NSApp runModalSession:(NSModalSession)m_modalSession];
+        
+        switch (response) 
+        {
+            case NSRunContinuesResponse:
+            {
+                if ( [[NSApplication sharedApplication]
+                        nextEventMatchingMask: NSAnyEventMask
+                        untilDate: nil
+                        inMode: NSDefaultRunLoopMode
+                        dequeue: NO] != nil )
+                    return 1;
+                
+                return -1;
+            }
+                
+            case NSRunStoppedResponse:
+            case NSRunAbortedResponse:
+                return -1;
+            default:
+                wxFAIL_MSG("unknown response code");
+                break;
+        }
+        return -1;
+    }
+    else 
+    {        
+        NSEvent *event = [NSApp
+                    nextEventMatchingMask:NSAnyEventMask
+                    untilDate:[NSDate dateWithTimeIntervalSinceNow: timeout/1000]
+                    inMode:NSDefaultRunLoopMode
+                    dequeue: YES];
+        
+        if ( event == nil )
+            return -1;
+
+        [NSApp sendEvent: event];
+
+        return 1;
+    }
+}
+
+void wxGUIEventLoop::DoRun()
+{
+    wxMacAutoreleasePool autoreleasepool;
+    [NSApp run];
+}
+
+void wxGUIEventLoop::DoStop()
+{
+    // only calling stop: is not enough when called from a runloop-observer,
+    // therefore add a dummy event, to make sure the runloop gets another round
+    [NSApp stop:0];
+    WakeUp();
+}
+
+void wxGUIEventLoop::WakeUp()
+{
+    // NSEvent* cevent = [NSApp currentEvent];
+    // NSString* mode = [[NSRunLoop mainRunLoop] currentMode];
+    
+    // when already in a mouse event handler, don't add higher level event
+    // if ( cevent != nil && [cevent type] <= NSMouseMoved && )
+    if ( m_osxLowLevelWakeUp /* [NSEventTrackingRunLoopMode isEqualToString:mode] */ )
+    {
+        // NSLog(@"event for wakeup %@ in mode %@",cevent,mode);
+        wxCFEventLoop::WakeUp();        
+    }
+    else

     {
     {

-        return true;
+        wxMacAutoreleasePool autoreleasepool;
+        NSEvent *event = [NSEvent otherEventWithType:NSApplicationDefined 
+                                        location:NSMakePoint(0.0, 0.0) 
+                                   modifierFlags:0 
+                                       timestamp:0 
+                                    windowNumber:0 
+                                         context:nil
+                                         subtype:0 data1:0 data2:0]; 
+        [NSApp postEvent:event atStart:FALSE];

     }
     }

-#endif // wxUSE_THREADS
+}
+
+CFRunLoopRef wxGUIEventLoop::CFGetCurrentRunLoop() const
+{
+    NSRunLoop* nsloop = [NSRunLoop currentRunLoop];
+    return [nsloop getCFRunLoop];
+}

 
 

-    m_isInsideYield = true;
-    m_eventsToProcessInsideYield = eventsToProcess;

 
 

-#if wxUSE_LOG
-    // disable log flushing from here because a call to wxYield() shouldn't
-    // normally result in message boxes popping up &c
-    wxLog::Suspend();
-#endif // wxUSE_LOG
+// TODO move into a evtloop_osx.cpp

 
 

-    // process all pending events:
-    while ( Pending() )
-        Dispatch();
+wxModalEventLoop::wxModalEventLoop(wxWindow *modalWindow)
+{
+    m_modalWindow = dynamic_cast<wxNonOwnedWindow*> (modalWindow);
+    wxASSERT_MSG( m_modalWindow != NULL, "must pass in a toplevel window for modal event loop" );
+    m_modalNativeWindow = m_modalWindow->GetWXWindow();
+}

 
 

-    // it's necessary to call ProcessIdle() to update the frames sizes which
-    // might have been changed (it also will update other things set from
-    // OnUpdateUI() which is a nice (and desired) side effect)
-    while ( ProcessIdle() ) {}
+wxModalEventLoop::wxModalEventLoop(WXWindow modalNativeWindow)
+{
+    m_modalWindow = NULL;
+    wxASSERT_MSG( modalNativeWindow != NULL, "must pass in a toplevel window for modal event loop" );
+    m_modalNativeWindow = modalNativeWindow;
+}

 
 

-    // if there are pending events, we must process them.
-    if (wxTheApp)
-        wxTheApp->ProcessPendingEvents();
+// END move into a evtloop_osx.cpp

 
 

-#if wxUSE_LOG
-    wxLog::Resume();
-#endif // wxUSE_LOG
-    m_isInsideYield = false;
+void wxModalEventLoop::DoRun()
+{
+    wxMacAutoreleasePool pool;

 
 

-    return true;
+    // If the app hasn't started, flush the event queue
+    // If we don't do this, the Dock doesn't get the message that
+    // the app has started so will refuse to activate it.
+    [NSApplication sharedApplication];
+    if (![NSApp isRunning])
+    {
+        while(NSEvent *event = [NSApp nextEventMatchingMask:NSAnyEventMask untilDate:nil inMode:NSDefaultRunLoopMode dequeue:YES])
+        {
+            [NSApp sendEvent:event];
+        }
+    }
+    
+    [NSApp runModalForWindow:m_modalNativeWindow];

 }
 
 }
 

-int wxGUIEventLoop::DispatchTimeout(unsigned long timeout)
+void wxModalEventLoop::DoStop()

 {
 {

-    wxMacAutoreleasePool autoreleasepool;
+    [NSApp abortModal];
+}

 
 

-    NSEvent *event = [NSApp
-                nextEventMatchingMask:NSAnyEventMask
-                untilDate:[NSDate dateWithTimeIntervalSinceNow: timeout/1000]
-                inMode:NSDefaultRunLoopMode
-                dequeue: YES];
-    if ( !event )
-        return -1;
+void wxGUIEventLoop::BeginModalSession( wxWindow* modalWindow )
+{
+    WXWindow nsnow = nil;

 
 

-    [NSApp sendEvent: event];
+    if ( m_modalNestedLevel > 0 )
+    {
+        wxASSERT_MSG( m_modalWindow == modalWindow, "Nested Modal Sessions must be based on same window");
+        m_modalNestedLevel++;
+        return;
+    }
+    
+    m_modalWindow = modalWindow;
+    m_modalNestedLevel = 1;
+    
+    if ( modalWindow )
+    {
+        // we must show now, otherwise beginModalSessionForWindow does it but it
+        // also would do a centering of the window before overriding all our position
+        if ( !modalWindow->IsShownOnScreen() )
+            modalWindow->Show();
+        
+        wxNonOwnedWindow* now = dynamic_cast<wxNonOwnedWindow*> (modalWindow);
+        wxASSERT_MSG( now != NULL, "must pass in a toplevel window for modal event loop" );
+        nsnow = now ? now->GetWXWindow() : nil;
+    }
+    else
+    {
+        NSRect r = NSMakeRect(10, 10, 0, 0);
+        nsnow = [NSPanel alloc];
+        [nsnow initWithContentRect:r
+                               styleMask:NSBorderlessWindowMask
+                                 backing:NSBackingStoreBuffered
+                                   defer:YES
+         ];
+        [nsnow orderOut:nil];
+        m_dummyWindow = nsnow;
+    }
+    m_modalSession = [NSApp beginModalSessionForWindow:nsnow];
+    wxASSERT_MSG(m_modalSession != NULL, "modal session couldn't be started");
+}

 
 

-    return true;
+void wxGUIEventLoop::EndModalSession()
+{
+    wxASSERT_MSG(m_modalSession != NULL, "no modal session active");
+    
+    wxASSERT_MSG(m_modalNestedLevel > 0, "incorrect modal nesting level");
+    
+    if ( --m_modalNestedLevel == 0 )
+    {
+        [NSApp endModalSession:(NSModalSession)m_modalSession];
+        m_modalSession = nil;
+        if ( m_dummyWindow )
+        {
+            [m_dummyWindow release];
+            m_dummyWindow = nil;
+        }
+    }
+}
+
+//
+// 
+//
+
+wxWindowDisabler::wxWindowDisabler(bool disable)
+{
+    m_modalEventLoop = NULL;
+    m_disabled = disable;
+    if ( disable )
+        DoDisable();
+}
+
+wxWindowDisabler::wxWindowDisabler(wxWindow *winToSkip)
+{
+    m_disabled = true;
+    DoDisable(winToSkip);
+}
+
+void wxWindowDisabler::DoDisable(wxWindow *winToSkip)
+{    
+    // remember the top level windows which were already disabled, so that we
+    // don't reenable them later
+    m_winDisabled = NULL;
+    
+    wxWindowList::compatibility_iterator node;
+    for ( node = wxTopLevelWindows.GetFirst(); node; node = node->GetNext() )
+    {
+        wxWindow *winTop = node->GetData();
+        if ( winTop == winToSkip )
+            continue;
+        
+        // we don't need to disable the hidden or already disabled windows
+        if ( winTop->IsEnabled() && winTop->IsShown() )
+        {
+            winTop->Disable();
+        }
+        else
+        {
+            if ( !m_winDisabled )
+            {
+                m_winDisabled = new wxWindowList;
+            }
+            
+            m_winDisabled->Append(winTop);
+        }
+    }
+    
+    m_modalEventLoop = (wxEventLoop*)wxEventLoopBase::GetActive();
+    if (m_modalEventLoop)
+        m_modalEventLoop->BeginModalSession(winToSkip);

 }
 }

+
+wxWindowDisabler::~wxWindowDisabler()
+{
+    if ( !m_disabled )
+        return;
+    
+    if (m_modalEventLoop)
+        m_modalEventLoop->EndModalSession();
+    
+    wxWindowList::compatibility_iterator node;
+    for ( node = wxTopLevelWindows.GetFirst(); node; node = node->GetNext() )
+    {
+        wxWindow *winTop = node->GetData();
+        if ( !m_winDisabled || !m_winDisabled->Find(winTop) )
+        {
+            winTop->Enable();
+        }
+        //else: had been already disabled, don't reenable
+    }
+    
+    delete m_winDisabled;
+}
\ No newline at end of file