1 /////////////////////////////////////////////////////////////////////////////
3 // Purpose: wxSpinButton
7 // Copyright: (c) Robert Roebling
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
12 #pragma implementation "spinbutt.h"
13 #pragma implementation "spinbutbase.h"
16 #include "wx/spinbutt.h"
27 //-----------------------------------------------------------------------------
29 //-----------------------------------------------------------------------------
31 extern void wxapp_install_idle_handler();
34 //-----------------------------------------------------------------------------
36 //-----------------------------------------------------------------------------
38 extern bool g_blockEventsOnDrag
;
40 static const float sensitivity
= 0.02;
42 //-----------------------------------------------------------------------------
44 //-----------------------------------------------------------------------------
46 static void gtk_spinbutt_callback( GtkWidget
*WXUNUSED(widget
), wxSpinButton
*win
)
48 if (g_isIdle
) wxapp_install_idle_handler();
50 if (!win
->m_hasVMT
) return;
51 if (g_blockEventsOnDrag
) return;
53 float diff
= win
->m_adjust
->value
- win
->m_oldPos
;
54 if (fabs(diff
) < sensitivity
) return;
56 wxEventType command
= wxEVT_NULL
;
58 float line_step
= win
->m_adjust
->step_increment
;
60 if (fabs(diff
-line_step
) < sensitivity
) command
= wxEVT_SCROLL_LINEUP
;
61 else if (fabs(diff
+line_step
) < sensitivity
) command
= wxEVT_SCROLL_LINEDOWN
;
62 else command
= wxEVT_SCROLL_THUMBTRACK
;
64 int value
= (int)ceil(win
->m_adjust
->value
);
66 wxSpinEvent
event( command
, win
->GetId());
67 event
.SetPosition( value
);
68 event
.SetEventObject( win
);
70 if ((win
->GetEventHandler()->ProcessEvent( event
)) &&
73 /* program has vetoed */
74 win
->m_adjust
->value
= win
->m_oldPos
;
76 gtk_signal_disconnect_by_func( GTK_OBJECT (win
->m_adjust
),
77 (GtkSignalFunc
) gtk_spinbutt_callback
,
80 gtk_signal_emit_by_name( GTK_OBJECT(win
->m_adjust
), "value_changed" );
82 gtk_signal_connect( GTK_OBJECT (win
->m_adjust
),
84 (GtkSignalFunc
) gtk_spinbutt_callback
,
89 win
->m_oldPos
= win
->m_adjust
->value
;
91 /* always send a thumbtrack event */
92 if (command
!= wxEVT_SCROLL_THUMBTRACK
)
94 command
= wxEVT_SCROLL_THUMBTRACK
;
95 wxSpinEvent
event2( command
, win
->GetId());
96 event2
.SetPosition( value
);
97 event2
.SetEventObject( win
);
98 win
->GetEventHandler()->ProcessEvent( event2
);
102 //-----------------------------------------------------------------------------
104 //-----------------------------------------------------------------------------
106 IMPLEMENT_DYNAMIC_CLASS(wxSpinButton
,wxControl
)
107 IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent
, wxNotifyEvent
)
109 BEGIN_EVENT_TABLE(wxSpinButton
, wxControl
)
110 EVT_SIZE(wxSpinButton::OnSize
)
113 bool wxSpinButton::Create(wxWindow
*parent
,
118 const wxString
& name
)
122 wxSize new_size
= size
,
123 sizeBest
= DoGetBestSize();
124 new_size
.x
= sizeBest
.x
; // override width always
125 if (new_size
.y
== -1)
126 new_size
.y
= sizeBest
.y
;
128 if (!PreCreation( parent
, pos
, new_size
) ||
129 !CreateBase( parent
, id
, pos
, new_size
, style
, wxDefaultValidator
, name
))
131 wxFAIL_MSG( wxT("wxXX creation failed") );
137 m_adjust
= (GtkAdjustment
*) gtk_adjustment_new( 0.0, 0.0, 100.0, 1.0, 5.0, 0.0);
139 m_widget
= gtk_spin_button_new( m_adjust
, 0, 0 );
141 gtk_spin_button_set_wrap( GTK_SPIN_BUTTON(m_widget
),
142 (int)(m_windowStyle
& wxSP_WRAP
) );
144 gtk_signal_connect( GTK_OBJECT (m_adjust
),
146 (GtkSignalFunc
) gtk_spinbutt_callback
,
149 m_parent
->DoAddChild( this );
153 SetBackgroundColour( parent
->GetBackgroundColour() );
160 int wxSpinButton::GetMin() const
162 wxCHECK_MSG( (m_widget
!= NULL
), 0, wxT("invalid spin button") );
164 return (int)ceil(m_adjust
->lower
);
167 int wxSpinButton::GetMax() const
169 wxCHECK_MSG( (m_widget
!= NULL
), 0, wxT("invalid spin button") );
171 return (int)ceil(m_adjust
->upper
);
174 int wxSpinButton::GetValue() const
176 wxCHECK_MSG( (m_widget
!= NULL
), 0, wxT("invalid spin button") );
178 return (int)ceil(m_adjust
->value
);
181 void wxSpinButton::SetValue( int value
)
183 wxCHECK_RET( (m_widget
!= NULL
), wxT("invalid spin button") );
185 float fpos
= (float)value
;
187 if (fabs(fpos
-m_adjust
->value
) < sensitivity
) return;
189 m_adjust
->value
= fpos
;
191 gtk_signal_emit_by_name( GTK_OBJECT(m_adjust
), "value_changed" );
194 void wxSpinButton::SetRange(int minVal
, int maxVal
)
196 wxCHECK_RET( (m_widget
!= NULL
), wxT("invalid spin button") );
198 float fmin
= (float)minVal
;
199 float fmax
= (float)maxVal
;
201 if ((fabs(fmin
-m_adjust
->lower
) < sensitivity
) &&
202 (fabs(fmax
-m_adjust
->upper
) < sensitivity
))
207 m_adjust
->lower
= fmin
;
208 m_adjust
->upper
= fmax
;
210 gtk_signal_emit_by_name( GTK_OBJECT(m_adjust
), "changed" );
212 // these two calls are required due to some bug in GTK
217 void wxSpinButton::OnSize( wxSizeEvent
&WXUNUSED(event
) )
219 wxCHECK_RET( (m_widget
!= NULL
), wxT("invalid spin button") );
221 m_width
= DoGetBestSize().x
;
222 gtk_widget_set_usize( m_widget
, m_width
, m_height
);
225 bool wxSpinButton::IsOwnGtkWindow( GdkWindow
*window
)
227 return GTK_SPIN_BUTTON(m_widget
)->panel
== window
;
230 void wxSpinButton::ApplyWidgetStyle()
233 gtk_widget_set_style( m_widget
, m_widgetStyle
);
236 wxSize
wxSpinButton::DoGetBestSize() const
238 return wxSize(15, 26);