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Fix for Issue 378, updating deprecated calls for creating mouse events under MacOS 10.6. 

Thanks to snes350 for the initial patch to help fix this problem.
This commit is contained in:
Edward Carrel 2010-06-01 10:49:22 +00:00
parent f974d8d680
commit f7a5da4146
4 changed files with 192 additions and 60 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
cmake/CMakeLists_config.txt
View File

@ -176,7 +176,7 @@ IF(UNIX)
ADD_DEFINITIONS(-DSYSAPI_UNIX=1 -DHAVE_CONFIG_H)
IF(APPLE)
ADD_DEFINITIONS(-DWINAPI_CARBON=1 -D_THREAD_SAFE)
ADD_DEFINITIONS(-DWINAPI_CARBON=1 -D_THREAD_SAFE -DMACOSX_DEPLOYMENT_TARGET=10.4)
ELSE(APPLE)
ADD_DEFINITIONS(-DWINAPI_XWINDOWS=1)
ENDIF(APPLE)

159
lib/platform/COSXScreen.cpp
View File

@ -54,11 +54,14 @@ enum {
// COSXScreen
//
bool COSXScreen::s_testedForGHOM = false;
bool COSXScreen::s_hasGHOM = false;
CEvent::Type COSXScreen::s_confirmSleepEvent = CEvent::kUnknown;
COSXScreen::COSXScreen(bool isPrimary) :
MouseButtonEventMap(NumButtonIDs),
m_isPrimary(isPrimary),
m_isOnScreen(m_isPrimary),
m_cursorPosValid(false),
@ -107,6 +110,8 @@ COSXScreen::COSXScreen(bool isPrimary) :
this, &m_switchEventHandlerRef);
DisposeEventHandlerUPP(switchEventHandler);
constructMouseButtonEventMap();
// watch for requests to sleep
EVENTQUEUE->adoptHandler(COSXScreen::getConfirmSleepEvent(),
getEventTarget(),
@ -360,6 +365,26 @@ COSXScreen::unregisterHotKey(UInt32 id)
}
}
void
COSXScreen::constructMouseButtonEventMap()
{
const CGEventType source[NumButtonIDs][3] = {
kCGEventLeftMouseUp,kCGEventLeftMouseDragged,kCGEventLeftMouseDown,
kCGEventOtherMouseUp,kCGEventOtherMouseDragged,kCGEventOtherMouseDown,
kCGEventRightMouseUp,kCGEventRightMouseDragged,kCGEventRightMouseDown,
kCGEventOtherMouseUp,kCGEventOtherMouseDragged,kCGEventOtherMouseDown,
kCGEventOtherMouseUp,kCGEventOtherMouseDragged,kCGEventOtherMouseDown};
for (UInt16 button = 0; button < NumButtonIDs; button++) {
MouseButtonEventMapType new_map;
for (UInt16 state = (UInt32) kMouseButtonUp; state < kMouseButtonStateMax; state++) {
CGEventType curEvent = source[button][state];
new_map[state] = curEvent;
}
MouseButtonEventMap[button] = new_map;
}
}
void
COSXScreen::postMouseEvent(CGPoint& pos) const
{
@ -393,40 +418,29 @@ COSXScreen::postMouseEvent(CGPoint& pos) const
}
}
// synthesize event. CGPostMouseEvent is a particularly good
// example of a bad API. we have to shadow the mouse state to
// use this API and if we want to support more buttons we have
// to recompile.
//
// the order of buttons on the mac is:
// 1 - Left
// 2 - Right
// 3 - Middle
// Whatever the USB device defined.
//
// It is a bit weird that the behaviour of buttons over 3 are dependent
// on currently plugged in USB devices.
CGPostMouseEvent(pos, true, sizeof(m_buttons) / sizeof(m_buttons[0]),
m_buttons[0],
m_buttons[2],
m_buttons[1],
m_buttons[3],
m_buttons[4]);
}
CGEventType type = kCGEventMouseMoved;
SInt8 button = m_buttonState.getFirstButtonDown();
if (button != -1) {
MouseButtonEventMapType thisButtonType = MouseButtonEventMap[button];
type = thisButtonType[kMouseButtonDragged];
}
CGEventRef event = CGEventCreateMouseEvent(NULL, type, pos, button);
CGEventPost(kCGHIDEventTap, event);
CFRelease(event);
}
void
COSXScreen::fakeMouseButton(ButtonID id, bool press) const
{
// get button index
// Buttons are indexed from one, but the button down array is indexed from zero
UInt32 index = id - kButtonLeft;
if (index >= sizeof(m_buttons) / sizeof(m_buttons[0])) {
if (index >= NumButtonIDs) {
return;
}
// update state
m_buttons[index] = press;
CGPoint pos;
if (!m_cursorPosValid) {
SInt32 x, y;
@ -434,7 +448,36 @@ COSXScreen::fakeMouseButton(ButtonID id, bool press) const
}
pos.x = m_xCursor;
pos.y = m_yCursor;
postMouseEvent(pos);
// synthesize event. CGEventCreateMouseEvent creates a retained mouse
// event, which must also be posted and released. Note this is
// similar to the use of CGEventRef in postMouseEvent above.
// One of the arguments changes based on whether a button is being
// pressed or released, pressed corresponding to when "press" is true.
CGEventRef event;
// the switch statement handles which button was pressed. the left
// and right mouse buttons must be handled separately from any
// other buttons
CGEventType type;
MouseButtonState state;
if (press) {
state = kMouseButtonDown;
} else {
state = kMouseButtonUp;
}
MouseButtonEventMapType thisButtonMap = MouseButtonEventMap[index];
type = thisButtonMap[state];
event = CGEventCreateMouseEvent(NULL, type, pos, index);
m_buttonState.set(index, state);
CGEventPost(kCGHIDEventTap, event);
CFRelease(event);
}
void
@ -480,8 +523,17 @@ void
COSXScreen::fakeMouseWheel(SInt32 xDelta, SInt32 yDelta) const
{
if (xDelta != 0 || yDelta != 0) {
CGPostScrollWheelEvent(2, mapScrollWheelFromSynergy(yDelta),
// create a scroll event, post it and release it. not sure if kCGScrollEventUnitLine
// is the right choice here over kCGScrollEventUnitPixel
CGEventRef scrollEvent = CGEventCreateScrollWheelEvent(NULL,
kCGScrollEventUnitLine,
2,
mapScrollWheelFromSynergy(yDelta),
-mapScrollWheelFromSynergy(xDelta));
CGEventPost(kCGHIDEventTap, scrollEvent);
CFRelease(scrollEvent);
}
}
@ -583,9 +635,7 @@ COSXScreen::enter()
}
// reset buttons
for (UInt32 i = 0; i < sizeof(m_buttons) / sizeof(m_buttons[0]); ++i) {
m_buttons[i] = false;
}
m_buttonState.reset();
// avoid suppression of local hardware events
// stkamp@users.sourceforge.net
@ -1186,9 +1236,8 @@ void
COSXScreen::updateButtons()
{
UInt32 buttons = GetCurrentButtonState();
for (size_t i = 0; i < sizeof(m_buttons) / sizeof(m_buttons[0]); ++i) {
m_buttons[i] = ((buttons & (1u << i)) != 0);
}
m_buttonState.overwrite(buttons);
}
IKeyState*
@ -1610,3 +1659,47 @@ COSXScreen::handleCGInputEvent(CGEventTapProxy proxy,
return NULL;
}
}
void
COSXScreen::CMouseButtonState::set(UInt32 button, MouseButtonState state)
{
bool newState = (state == kMouseButtonDown);
m_buttons.set(button, newState);
}
bool
COSXScreen::CMouseButtonState::any()
{
return m_buttons.any();
}
void
COSXScreen::CMouseButtonState::reset()
{
m_buttons.reset();
}
void
COSXScreen::CMouseButtonState::overwrite(UInt32 buttons)
{
m_buttons = std::bitset<NumButtonIDs>(buttons);
}
bool
COSXScreen::CMouseButtonState::test(UInt32 button) const
{
return m_buttons.test(button);
}
SInt8
COSXScreen::CMouseButtonState::getFirstButtonDown() const
{
if (m_buttons.any()) {
for (unsigned short button = 0; button < m_buttons.size(); button++) {
if (m_buttons.test(button)) {
return button;
}
}
}
return -1;
}

43
lib/platform/COSXScreen.h
View File

@ -15,11 +15,14 @@
#ifndef COSXSCREEN_H
#define COSXSCREEN_H
#include <bitset>
#include "stdmap.h"
#include "stdvector.h"
#include <Carbon/Carbon.h>
#include "COSXClipboard.h"
#include "CPlatformScreen.h"
#include "stdmap.h"
#include "stdvector.h"
#include <mach/mach_port.h>
#include <mach/mach_interface.h>
@ -102,6 +105,8 @@ private:
bool onMouseButton(bool pressed, UInt16 macButton);
bool onMouseWheel(SInt32 xDelta, SInt32 yDelta) const;
void constructMouseButtonEventMap();
bool onKey(CGEventRef event);
bool onHotKey(EventRef event) const;
@ -174,6 +179,28 @@ private:
UInt32 m_keycode;
UInt32 m_mask;
};
enum MouseButtonState {
kMouseButtonUp = 0,
kMouseButtonDragged,
kMouseButtonDown,
kMouseButtonStateMax
};
class CMouseButtonState {
public:
void set(UInt32 button, MouseButtonState state);
bool any();
void reset();
void overwrite(UInt32 buttons);
bool test(UInt32 button) const;
SInt8 getFirstButtonDown() const;
private:
std::bitset<NumButtonIDs> m_buttons;
};
typedef std::map<UInt32, CHotKeyItem> HotKeyMap;
typedef std::vector<UInt32> HotKeyIDList;
typedef std::map<KeyModifierMask, UInt32> ModifierHotKeyMap;
@ -196,7 +223,17 @@ private:
// mouse state
mutable SInt32 m_xCursor, m_yCursor;
mutable bool m_cursorPosValid;
mutable boolean_t m_buttons[5];
/* FIXME: this data structure is explicitly marked mutable due
to a need to track the state of buttons since the remote
side only lets us know of change events, and because the
fakeMouseButton button method is marked 'const'. This is
Evil, and this should be moved to a place where it need not
be mutable as soon as possible. */
mutable CMouseButtonState m_buttonState;
typedef std::map<UInt16, CGEventType> MouseButtonEventMapType;
std::vector<MouseButtonEventMapType> MouseButtonEventMap;
bool m_cursorHidden;
SInt32 m_dragNumButtonsDown;
Point m_dragLastPoint;

2
lib/synergy/MouseTypes.h
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@ -32,4 +32,6 @@ static const ButtonID kButtonRight = 3;
static const ButtonID kButtonExtra0 = 4;
//@}
static const UInt8 NumButtonIDs = 5;
#endif