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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/gtk/gauge.cpp | |
3 | // Purpose: | |
4 | // Author: Robert Roebling | |
5 | // Id: $Id$ | |
6 | // Copyright: (c) 1998 Robert Roebling | |
7 | // Licence: wxWindows licence | |
8 | ///////////////////////////////////////////////////////////////////////////// | |
9 | ||
10 | // For compilers that support precompilation, includes "wx.h". | |
11 | #include "wx/wxprec.h" | |
12 | ||
13 | #if wxUSE_GAUGE | |
14 | ||
15 | #include "wx/gauge.h" | |
16 | ||
17 | #include <gtk/gtk.h> | |
18 | ||
19 | //----------------------------------------------------------------------------- | |
20 | // wxGauge | |
21 | //----------------------------------------------------------------------------- | |
22 | ||
23 | IMPLEMENT_DYNAMIC_CLASS(wxGauge, wxControl) | |
24 | ||
25 | bool wxGauge::Create( wxWindow *parent, | |
26 | wxWindowID id, | |
27 | int range, | |
28 | const wxPoint& pos, | |
29 | const wxSize& size, | |
30 | long style, | |
31 | const wxValidator& validator, | |
32 | const wxString& name ) | |
33 | { | |
34 | m_needParent = true; | |
35 | ||
36 | if (!PreCreation( parent, pos, size ) || | |
37 | !CreateBase( parent, id, pos, size, style, validator, name )) | |
38 | { | |
39 | wxFAIL_MSG( wxT("wxGauge creation failed") ); | |
40 | return false; | |
41 | } | |
42 | ||
43 | m_rangeMax = range; | |
44 | ||
45 | m_widget = gtk_progress_bar_new(); | |
46 | if ( style & wxGA_VERTICAL ) | |
47 | { | |
48 | gtk_progress_bar_set_orientation( GTK_PROGRESS_BAR(m_widget), | |
49 | GTK_PROGRESS_BOTTOM_TO_TOP ); | |
50 | } | |
51 | ||
52 | // when using the gauge in indeterminate mode, we need this: | |
53 | gtk_progress_bar_set_pulse_step(GTK_PROGRESS_BAR (m_widget), 0.05); | |
54 | ||
55 | m_parent->DoAddChild( this ); | |
56 | ||
57 | PostCreation(size); | |
58 | SetBestSize(size); | |
59 | ||
60 | return true; | |
61 | } | |
62 | ||
63 | void wxGauge::DoSetGauge() | |
64 | { | |
65 | wxASSERT_MSG( 0 <= m_gaugePos && m_gaugePos <= m_rangeMax, | |
66 | _T("invalid gauge position in DoSetGauge()") ); | |
67 | ||
68 | gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (m_widget), | |
69 | m_rangeMax ? ((double)m_gaugePos)/m_rangeMax : 0.0); | |
70 | } | |
71 | ||
72 | wxSize wxGauge::DoGetBestSize() const | |
73 | { | |
74 | wxSize best; | |
75 | if (HasFlag(wxGA_VERTICAL)) | |
76 | best = wxSize(28, 100); | |
77 | else | |
78 | best = wxSize(100, 28); | |
79 | CacheBestSize(best); | |
80 | return best; | |
81 | } | |
82 | ||
83 | void wxGauge::SetRange( int range ) | |
84 | { | |
85 | m_rangeMax = range; | |
86 | if (m_gaugePos > m_rangeMax) | |
87 | m_gaugePos = m_rangeMax; | |
88 | ||
89 | DoSetGauge(); | |
90 | } | |
91 | ||
92 | void wxGauge::SetValue( int pos ) | |
93 | { | |
94 | wxCHECK_RET( pos <= m_rangeMax, _T("invalid value in wxGauge::SetValue()") ); | |
95 | ||
96 | m_gaugePos = pos; | |
97 | ||
98 | DoSetGauge(); | |
99 | } | |
100 | ||
101 | int wxGauge::GetRange() const | |
102 | { | |
103 | return m_rangeMax; | |
104 | } | |
105 | ||
106 | int wxGauge::GetValue() const | |
107 | { | |
108 | return m_gaugePos; | |
109 | } | |
110 | ||
111 | void wxGauge::Pulse() | |
112 | { | |
113 | gtk_progress_bar_pulse(GTK_PROGRESS_BAR (m_widget)); | |
114 | } | |
115 | ||
116 | wxVisualAttributes wxGauge::GetDefaultAttributes() const | |
117 | { | |
118 | // Visible gauge colours use a different colour state | |
119 | return GetDefaultAttributesFromGTKWidget(m_widget, | |
120 | UseGTKStyleBase(), | |
121 | GTK_STATE_ACTIVE); | |
122 | ||
123 | } | |
124 | ||
125 | // static | |
126 | wxVisualAttributes | |
127 | wxGauge::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) | |
128 | { | |
129 | return GetDefaultAttributesFromGTKWidget(gtk_progress_bar_new, | |
130 | false, GTK_STATE_ACTIVE); | |
131 | } | |
132 | ||
133 | #endif // wxUSE_GAUGE |