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Use RIAA wrapper for wxSpinCtrl event disabling in wxGTK.

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The use of wxSpinCtrlEventDisabler class ensures that we never forget to
reenable the events after disabling them.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74633 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2013-08-06 17:00:10 +00:00
parent 6f026b5b63
commit dcbf35f87c
2 changed files with 31 additions and 10 deletions
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2
include/wx/gtk/spinctrl.h
View File

@ -79,6 +79,8 @@ protected:
// override this and return true.
virtual bool UseGTKStyleBase() const { return true; }
friend class wxSpinCtrlEventDisabler;
DECLARE_EVENT_TABLE()
};

39
src/gtk/spinctrl.cpp
View File

@ -76,6 +76,30 @@ gtk_changed(GtkSpinButton* spinbutton, wxSpinCtrl* win)
}
}
// ----------------------------------------------------------------------------
// wxSpinCtrlEventDisabler: helper to temporarily disable GTK+ events
// ----------------------------------------------------------------------------
class wxSpinCtrlEventDisabler
{
public:
wxEXPLICIT wxSpinCtrlEventDisabler(wxSpinCtrlGTKBase* spin)
: m_spin(spin)
{
m_spin->GtkDisableEvents();
}
~wxSpinCtrlEventDisabler()
{
m_spin->GtkEnableEvents();
}
private:
wxSpinCtrlGTKBase* const m_spin;
wxDECLARE_NO_COPY_CLASS(wxSpinCtrlEventDisabler);
};
//-----------------------------------------------------------------------------
// wxSpinCtrlGTKBase
//-----------------------------------------------------------------------------
@ -207,18 +231,16 @@ void wxSpinCtrlGTKBase::SetValue( const wxString& value )
}
// invalid number - set text as is (wxMSW compatible)
GtkDisableEvents();
wxSpinCtrlEventDisabler disable(this);
gtk_entry_set_text( GTK_ENTRY(m_widget), wxGTK_CONV( value ) );
GtkEnableEvents();
}
void wxSpinCtrlGTKBase::DoSetValue( double value )
{
wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );
GtkDisableEvents();
wxSpinCtrlEventDisabler disable(this);
gtk_spin_button_set_value( GTK_SPIN_BUTTON(m_widget), value);
GtkEnableEvents();
}
void wxSpinCtrlGTKBase::SetSnapToTicks(bool snap_to_ticks)
@ -245,23 +267,21 @@ void wxSpinCtrlGTKBase::DoSetRange(double minVal, double maxVal)
{
wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );
GtkDisableEvents();
wxSpinCtrlEventDisabler disable(this);
gtk_spin_button_set_range( GTK_SPIN_BUTTON(m_widget), minVal, maxVal);
GtkEnableEvents();
}
void wxSpinCtrlGTKBase::DoSetIncrement(double inc)
{
wxCHECK_RET( m_widget, "invalid spin button" );
GtkDisableEvents();
wxSpinCtrlEventDisabler disable(this);
// Preserve the old page value when changing just the increment.
double page = 10*inc;
gtk_spin_button_get_increments( GTK_SPIN_BUTTON(m_widget), NULL, &page);
gtk_spin_button_set_increments( GTK_SPIN_BUTTON(m_widget), inc, page);
GtkEnableEvents();
}
void wxSpinCtrlGTKBase::GtkDisableEvents() const
@ -471,9 +491,8 @@ void wxSpinCtrlDouble::SetDigits(unsigned digits)
{
wxCHECK_RET( m_widget, "invalid spin button" );
GtkDisableEvents();
wxSpinCtrlEventDisabler disable(this);
gtk_spin_button_set_digits( GTK_SPIN_BUTTON(m_widget), digits);
GtkEnableEvents();
}
#endif // wxUSE_SPINCTRL