#include "wx/cocoa/autorelease.h"
#include "wx/cocoa/string.h"
#include "wx/cocoa/trackingrectmanager.h"
+#include "wx/mac/corefoundation/cfref.h"
#import <Foundation/NSArray.h>
#import <Foundation/NSRunLoop.h>
#import <AppKit/NSBezierPath.h>
#endif //def WXCOCOA_FILL_DUMMY_VIEW
+// STL list used by wxCocoaMouseMovedEventSynthesizer
+#include <list>
+
/* NSComparisonResult is typedef'd as an enum pre-Leopard but typedef'd as
* NSInteger post-Leopard. Pre-Leopard the Cocoa toolkit expects a function
* returning int and not NSComparisonResult. Post-Leopard the Cocoa toolkit
}
+// ========================================================================
+// wxCocoaMouseMovedEventSynthesizer
+// ========================================================================
+
+/* This class registers one run loop observer to cover all windows registered with it.
+ * It will register the observer when the first view is registerd and unregister the
+ * observer when the last view is unregistered.
+ * It is instantiated as a static s_mouseMovedSynthesizer in this file although there
+ * is no reason it couldn't be instantiated multiple times.
+ */
+class wxCocoaMouseMovedEventSynthesizer
+{
+ DECLARE_NO_COPY_CLASS(wxCocoaMouseMovedEventSynthesizer)
+public:
+ wxCocoaMouseMovedEventSynthesizer()
+ { m_lastScreenMouseLocation = NSZeroPoint;
+ }
+ ~wxCocoaMouseMovedEventSynthesizer();
+ void RegisterWxCocoaView(wxCocoaNSView *aView);
+ void UnregisterWxCocoaView(wxCocoaNSView *aView);
+ void SynthesizeMouseMovedEvent();
+
+protected:
+ void AddRunLoopObserver();
+ void RemoveRunLoopObserver();
+ wxCFRef<CFRunLoopObserverRef> m_runLoopObserver;
+ std::list<wxCocoaNSView*> m_registeredViews;
+ NSPoint m_lastScreenMouseLocation;
+ static void SynthesizeMouseMovedEvent(CFRunLoopObserverRef observer, CFRunLoopActivity activity, void *info);
+};
+
+void wxCocoaMouseMovedEventSynthesizer::RegisterWxCocoaView(wxCocoaNSView *aView)
+{
+ m_registeredViews.push_back(aView);
+ wxLogTrace(wxTRACE_COCOA_TrackingRect, wxT("Registered wxCocoaNSView=%p"), aView);
+
+ if(!m_registeredViews.empty() && m_runLoopObserver == NULL)
+ {
+ AddRunLoopObserver();
+ }
+}
+
+void wxCocoaMouseMovedEventSynthesizer::UnregisterWxCocoaView(wxCocoaNSView *aView)
+{
+ m_registeredViews.remove(aView);
+ wxLogTrace(wxTRACE_COCOA_TrackingRect, wxT("Unregistered wxCocoaNSView=%p"), aView);
+ if(m_registeredViews.empty() && m_runLoopObserver != NULL)
+ {
+ RemoveRunLoopObserver();
+ }
+}
+
+wxCocoaMouseMovedEventSynthesizer::~wxCocoaMouseMovedEventSynthesizer()
+{
+ if(!m_registeredViews.empty())
+ {
+ // This means failure to clean up so we report on it as a debug message.
+ wxLogDebug(wxT("There are still %d wxCocoaNSView registered to receive mouse moved events at static destruction time"), m_registeredViews.size());
+ m_registeredViews.clear();
+ }
+ if(m_runLoopObserver != NULL)
+ {
+ // This should not occur unless m_registeredViews was not empty since the last object unregistered should have done this.
+ wxLogDebug(wxT("Removing run loop observer during static destruction time."));
+ RemoveRunLoopObserver();
+ }
+}
+
+void wxCocoaMouseMovedEventSynthesizer::SynthesizeMouseMovedEvent(CFRunLoopObserverRef observer, CFRunLoopActivity activity, void *info)
+{
+ reinterpret_cast<wxCocoaMouseMovedEventSynthesizer*>(info)->SynthesizeMouseMovedEvent();
+}
+
+void wxCocoaMouseMovedEventSynthesizer::AddRunLoopObserver()
+{
+ CFRunLoopObserverContext observerContext =
+ { 0
+ , this
+ , NULL
+ , NULL
+ , NULL
+ };
+ m_runLoopObserver.reset(CFRunLoopObserverCreate(kCFAllocatorDefault, kCFRunLoopBeforeWaiting, TRUE, 0, SynthesizeMouseMovedEvent, &observerContext));
+ CFRunLoopAddObserver([[NSRunLoop currentRunLoop] getCFRunLoop], m_runLoopObserver, kCFRunLoopCommonModes);
+ wxLogTrace(wxTRACE_COCOA_TrackingRect, wxT("Added tracking rect run loop observer"));
+}
+
+void wxCocoaMouseMovedEventSynthesizer::RemoveRunLoopObserver()
+{
+ CFRunLoopRemoveObserver([[NSRunLoop currentRunLoop] getCFRunLoop], m_runLoopObserver, kCFRunLoopCommonModes);
+ m_runLoopObserver.reset();
+ wxLogTrace(wxTRACE_COCOA_TrackingRect, wxT("Removed tracking rect run loop observer"));
+}
+
+void wxCocoaMouseMovedEventSynthesizer::SynthesizeMouseMovedEvent()
+{
+ NSPoint screenMouseLocation = [NSEvent mouseLocation];
+ // Checking the last mouse location is done for a few reasons:
+ // 1. We are observing every iteration of the event loop so we'd be sending out a lot of extraneous events
+ // telling the app the mouse moved when the user hit a key for instance.
+ // 2. When handling the mouse moved event, user code can do something to the view which will cause Cocoa to
+ // call resetCursorRects. Cocoa does this by using a delayed notification which means the event loop gets
+ // pumped once which would mean that if we didn't check the mouse location we'd get into a never-ending
+ // loop causing the tracking rectangles to constantly be reset.
+ if(screenMouseLocation.x != m_lastScreenMouseLocation.x || screenMouseLocation.y != m_lastScreenMouseLocation.y)
+ {
+ m_lastScreenMouseLocation = screenMouseLocation;
+ wxLogTrace(wxTRACE_COCOA_TrackingRect, wxT("Synthesizing mouse moved at screen (%f,%f)"), screenMouseLocation.x, screenMouseLocation.y);
+ for(std::list<wxCocoaNSView*>::iterator i = m_registeredViews.begin(); i != m_registeredViews.end(); ++i)
+ {
+ (*i)->Cocoa_synthesizeMouseMoved();
+ }
+ }
+}
+
+// Singleton used for all views:
+static wxCocoaMouseMovedEventSynthesizer s_mouseMovedSynthesizer;
+
// ========================================================================
// wxCocoaTrackingRectManager
// ========================================================================
: m_window(window)
{
m_isTrackingRectActive = false;
- m_runLoopObserver = NULL;
BuildTrackingRect();
}
void wxCocoaTrackingRectManager::StopSynthesizingEvents()
{
- if(m_runLoopObserver != NULL)
- {
- CFRunLoopRemoveObserver([[NSRunLoop currentRunLoop] getCFRunLoop], m_runLoopObserver, kCFRunLoopCommonModes);
- CFRelease(m_runLoopObserver);
- m_runLoopObserver = NULL;
- }
+ s_mouseMovedSynthesizer.UnregisterWxCocoaView(m_window);
}
void wxCocoaTrackingRectManager::BuildTrackingRect()
}
}
-static NSPoint s_lastScreenMouseLocation = NSZeroPoint;
-
-static void SynthesizeMouseMovedEvent(CFRunLoopObserverRef observer, CFRunLoopActivity activity, void *info)
-{
- NSPoint screenMouseLocation = [NSEvent mouseLocation];
- if(screenMouseLocation.x != s_lastScreenMouseLocation.x || screenMouseLocation.y != s_lastScreenMouseLocation.y)
- {
- wxCocoaNSView *win = reinterpret_cast<wxCocoaNSView*>(info);
- win->Cocoa_synthesizeMouseMoved();
- }
-}
-
void wxCocoaTrackingRectManager::BeginSynthesizingEvents()
{
- CFRunLoopObserverContext observerContext =
- { 0
- , static_cast<wxCocoaNSView*>(m_window)
- , NULL
- , NULL
- , NULL
- };
- m_runLoopObserver = CFRunLoopObserverCreate(kCFAllocatorDefault, kCFRunLoopBeforeWaiting, TRUE, 0, SynthesizeMouseMovedEvent, &observerContext);
- CFRunLoopAddObserver([[NSRunLoop currentRunLoop] getCFRunLoop], m_runLoopObserver, kCFRunLoopCommonModes);
+ s_mouseMovedSynthesizer.RegisterWxCocoaView(m_window);
}
void wxCocoaTrackingRectManager::RebuildTrackingRect()
projects / wxWidgets.git / commitdiff
