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fix mac mouse wheel processing

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This commit is contained in:
David Rose 2007-11-02 23:33:48 +00:00
parent 278f5ca58d
commit 155604428e
4 changed files with 23 additions and 11 deletions
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5
panda/src/osxdisplay/config_osxdisplay.cxx
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@ -48,6 +48,11 @@ ConfigVariableBool osx_disable_event_loop
"the window event loop is already handled by another part of the "
"app."));
ConfigVariableInt osx_mouse_wheel_scale
("osx-mouse-wheel-scale", 5,
PRC_DESC("Specify the number of units to spin the Mac mouse wheel to "
"represent a single wheel_up or wheel_down message."));
////////////////////////////////////////////////////////////////////
// Function: init_libosxdisplay
// Description: Initializes the library. This must be called at

3
panda/src/osxdisplay/config_osxdisplay.h
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@ -18,8 +18,8 @@
#include "pandabase.h"
#include "notifyCategoryProxy.h"
#include "configVariableString.h"
#include "configVariableBool.h"
#include "configVariableInt.h"
NotifyCategoryDecl( osxdisplay , EXPCL_PANDAGL, EXPTP_PANDAGL);
@ -27,5 +27,6 @@ extern EXPCL_PANDAGL void init_libosxdisplay();
extern ConfigVariableBool show_resize_box;
extern ConfigVariableBool osx_disable_event_loop;
extern ConfigVariableInt osx_mouse_wheel_scale;
#endif /* __CONFIG_OSXDISPLAY_H__ */

2
panda/src/osxdisplay/osxGraphicsWindow.h
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@ -127,6 +127,8 @@ private:
// True if the cursor is actually hidden right now via system calls.
bool _display_hide_cursor;
SInt32 _wheel_delta;
public:
static TypeHandle get_class_type() {

24
panda/src/osxdisplay/osxGraphicsWindow.mm
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@ -541,6 +541,7 @@ osxGraphicsWindow::osxGraphicsWindow(GraphicsPipe *pipe,
_cursor_hidden = false;
_display_hide_cursor = false;
_wheel_delta = 0;
if (osxdisplay_cat.is_debug())
osxdisplay_cat.debug() << "osxGraphicsWindow::osxGraphicsWindow() -" <<_ID << "\n";
@ -1325,7 +1326,7 @@ void osxGraphicsWindow::SystemPointToLocalPoint(Point &qdGlobalPoint)
Point qdGlobalPoint = {0, 0};
UInt32 modifiers = 0;
Rect rectPort;
SInt32 wheelDelta;
SInt32 this_wheel_delta;
EventMouseWheelAxis wheelAxis;
// cerr <<" Start Mouse Event " << _ID << "\n";
@ -1405,7 +1406,7 @@ void osxGraphicsWindow::SystemPointToLocalPoint(Point &qdGlobalPoint)
break;
case kEventMouseWheelMoved:
GetEventParameter(event, kEventParamMouseWheelDelta, typeLongInteger, NULL, sizeof(wheelDelta), NULL, &wheelDelta);
GetEventParameter(event, kEventParamMouseWheelDelta, typeLongInteger, NULL, sizeof(this_wheel_delta), NULL, &this_wheel_delta);
GetEventParameter(event, kEventParamMouseWheelAxis, typeMouseWheelAxis, NULL, sizeof(wheelAxis), NULL, &wheelAxis );
GetEventParameter(event, kEventParamMouseLocation,typeQDPoint, NULL, sizeof(Point),NULL , (void*) &qdGlobalPoint);
SystemPointToLocalPoint(qdGlobalPoint);
@ -1413,17 +1414,20 @@ void osxGraphicsWindow::SystemPointToLocalPoint(Point &qdGlobalPoint)
if (wheelAxis == kEventMouseWheelAxisY)
{
set_pointer_in_window((int)qdGlobalPoint.h, (int)qdGlobalPoint.v);
if (wheelDelta > 0)
{
_input_devices[0].button_down(MouseButton::wheel_up());
result = noErr;
_wheel_delta += this_wheel_delta;
SInt32 wheel_scale = osx_mouse_wheel_scale;
while (_wheel_delta > wheel_scale) {
_input_devices[0].button_down(MouseButton::wheel_up());
_input_devices[0].button_up(MouseButton::wheel_up());
_wheel_delta -= wheel_scale;
}
else if (wheelDelta < 0)
{
_input_devices[0].button_down(MouseButton::wheel_down());
while (_wheel_delta < -wheel_scale) {
_input_devices[0].button_down(MouseButton::wheel_down());
_input_devices[0].button_up(MouseButton::wheel_down());
_wheel_delta += wheel_scale;
}
}
result = noErr;
result = noErr;
break;
}
// result = noErr;