1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/gtk/gauge.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Copyright: (c) 1998 Robert Roebling
6 // Licence: wxWindows licence
7 /////////////////////////////////////////////////////////////////////////////
8
9 // For compilers that support precompilation, includes "wx.h".
10 #include "wx/wxprec.h"
11
12 #if wxUSE_GAUGE
13
14 #include "wx/gauge.h"
15
16 #include "wx/gtk/private/wrapgtk.h"
17
18 //-----------------------------------------------------------------------------
19 // wxGauge
20 //-----------------------------------------------------------------------------
21
Create(wxWindow * parent,wxWindowID id,int range,const wxPoint & pos,const wxSize & size,long style,const wxValidator & validator,const wxString & name)22 bool wxGauge::Create( wxWindow *parent,
23 wxWindowID id,
24 int range,
25 const wxPoint& pos,
26 const wxSize& size,
27 long style,
28 const wxValidator& validator,
29 const wxString& name )
30 {
31 if (!PreCreation( parent, pos, size ) ||
32 !CreateBase( parent, id, pos, size, style, validator, name ))
33 {
34 wxFAIL_MSG( wxT("wxGauge creation failed") );
35 return false;
36 }
37
38 m_rangeMax = range;
39
40 m_widget = gtk_progress_bar_new();
41 g_object_ref(m_widget);
42 if ( style & wxGA_VERTICAL )
43 {
44 #ifdef __WXGTK3__
45 gtk_orientable_set_orientation(GTK_ORIENTABLE(m_widget), GTK_ORIENTATION_VERTICAL);
46 gtk_progress_bar_set_inverted(GTK_PROGRESS_BAR(m_widget), true);
47 #else
48 gtk_progress_bar_set_orientation( GTK_PROGRESS_BAR(m_widget),
49 GTK_PROGRESS_BOTTOM_TO_TOP );
50 #endif
51 }
52
53 // when using the gauge in indeterminate mode, we need this:
54 gtk_progress_bar_set_pulse_step(GTK_PROGRESS_BAR (m_widget), 0.05);
55
56 m_parent->DoAddChild( this );
57
58 PostCreation(size);
59 SetInitialSize(size);
60
61 return true;
62 }
63
DoSetGauge()64 void wxGauge::DoSetGauge()
65 {
66 wxASSERT_MSG( 0 <= m_gaugePos && m_gaugePos <= m_rangeMax,
67 wxT("invalid gauge position in DoSetGauge()") );
68
69 gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (m_widget),
70 m_rangeMax ? ((double)m_gaugePos)/m_rangeMax : 0.0);
71 }
72
SetRange(int range)73 void wxGauge::SetRange( int range )
74 {
75 m_rangeMax = range;
76 if (m_gaugePos > m_rangeMax)
77 m_gaugePos = m_rangeMax;
78
79 DoSetGauge();
80 }
81
SetValue(int pos)82 void wxGauge::SetValue( int pos )
83 {
84 wxCHECK_RET( pos <= m_rangeMax, wxT("invalid value in wxGauge::SetValue()") );
85
86 m_gaugePos = pos;
87
88 DoSetGauge();
89 }
90
GetRange() const91 int wxGauge::GetRange() const
92 {
93 return m_rangeMax;
94 }
95
GetValue() const96 int wxGauge::GetValue() const
97 {
98 return m_gaugePos;
99 }
100
Pulse()101 void wxGauge::Pulse()
102 {
103 gtk_progress_bar_pulse(GTK_PROGRESS_BAR (m_widget));
104 }
105
GetDefaultAttributes() const106 wxVisualAttributes wxGauge::GetDefaultAttributes() const
107 {
108 // Visible gauge colours use a different colour state
109 return GetDefaultAttributesFromGTKWidget(m_widget,
110 UseGTKStyleBase(),
111 GTK_STATE_ACTIVE);
112
113 }
114
115 // static
116 wxVisualAttributes
GetClassDefaultAttributes(wxWindowVariant WXUNUSED (variant))117 wxGauge::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
118 {
119 return GetDefaultAttributesFromGTKWidget(gtk_progress_bar_new(),
120 false, GTK_STATE_ACTIVE);
121 }
122
123 #endif // wxUSE_GAUGE
124