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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/gtk1/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 | m_parent->DoAddChild( this ); | |
53 | ||
54 | PostCreation(size); | |
55 | SetInitialSize(size); | |
56 | ||
57 | return true; | |
58 | } | |
59 | ||
60 | void wxGauge::DoSetGauge() | |
61 | { | |
62 | wxASSERT_MSG( 0 <= m_gaugePos && m_gaugePos <= m_rangeMax, | |
63 | _T("invalid gauge position in DoSetGauge()") ); | |
64 | ||
65 | gtk_progress_bar_update( GTK_PROGRESS_BAR(m_widget), | |
66 | m_rangeMax ? ((float)m_gaugePos)/m_rangeMax : 0.); | |
67 | } | |
68 | ||
69 | wxSize wxGauge::DoGetBestSize() const | |
70 | { | |
71 | wxSize best; | |
72 | if (HasFlag(wxGA_VERTICAL)) | |
73 | best = wxSize(28, 100); | |
74 | else | |
75 | best = wxSize(100, 28); | |
76 | CacheBestSize(best); | |
77 | return best; | |
78 | } | |
79 | ||
80 | void wxGauge::SetRange( int range ) | |
81 | { | |
82 | m_rangeMax = range; | |
83 | if (m_gaugePos > m_rangeMax) | |
84 | m_gaugePos = m_rangeMax; | |
85 | ||
86 | DoSetGauge(); | |
87 | } | |
88 | ||
89 | void wxGauge::SetValue( int pos ) | |
90 | { | |
91 | wxCHECK_RET( pos <= m_rangeMax, _T("invalid value in wxGauge::SetValue()") ); | |
92 | ||
93 | m_gaugePos = pos; | |
94 | ||
95 | DoSetGauge(); | |
96 | } | |
97 | ||
98 | int wxGauge::GetRange() const | |
99 | { | |
100 | return m_rangeMax; | |
101 | } | |
102 | ||
103 | int wxGauge::GetValue() const | |
104 | { | |
105 | return m_gaugePos; | |
106 | } | |
107 | ||
108 | wxVisualAttributes wxGauge::GetDefaultAttributes() const | |
109 | { | |
110 | // Visible gauge colours use a different colour state | |
111 | return GetDefaultAttributesFromGTKWidget(m_widget, | |
112 | UseGTKStyleBase(), | |
113 | GTK_STATE_ACTIVE); | |
114 | ||
115 | } | |
116 | ||
117 | // static | |
118 | wxVisualAttributes | |
119 | wxGauge::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) | |
120 | { | |
121 | return GetDefaultAttributesFromGTKWidget(gtk_progress_bar_new, | |
122 | false, GTK_STATE_ACTIVE); | |
123 | } | |
124 | ||
125 | #endif // wxUSE_GAUGE |