| 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 | if (!PreCreation( parent, pos, size ) || |
| 35 | !CreateBase( parent, id, pos, size, style, validator, name )) |
| 36 | { |
| 37 | wxFAIL_MSG( wxT("wxGauge creation failed") ); |
| 38 | return false; |
| 39 | } |
| 40 | |
| 41 | m_rangeMax = range; |
| 42 | |
| 43 | m_widget = gtk_progress_bar_new(); |
| 44 | g_object_ref(m_widget); |
| 45 | if ( style & wxGA_VERTICAL ) |
| 46 | { |
| 47 | gtk_progress_bar_set_orientation( GTK_PROGRESS_BAR(m_widget), |
| 48 | GTK_PROGRESS_BOTTOM_TO_TOP ); |
| 49 | } |
| 50 | |
| 51 | // when using the gauge in indeterminate mode, we need this: |
| 52 | gtk_progress_bar_set_pulse_step(GTK_PROGRESS_BAR (m_widget), 0.05); |
| 53 | |
| 54 | m_parent->DoAddChild( this ); |
| 55 | |
| 56 | PostCreation(size); |
| 57 | SetInitialSize(size); |
| 58 | |
| 59 | return true; |
| 60 | } |
| 61 | |
| 62 | void wxGauge::DoSetGauge() |
| 63 | { |
| 64 | wxASSERT_MSG( 0 <= m_gaugePos && m_gaugePos <= m_rangeMax, |
| 65 | _T("invalid gauge position in DoSetGauge()") ); |
| 66 | |
| 67 | gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (m_widget), |
| 68 | m_rangeMax ? ((double)m_gaugePos)/m_rangeMax : 0.0); |
| 69 | } |
| 70 | |
| 71 | wxSize wxGauge::DoGetBestSize() const |
| 72 | { |
| 73 | wxSize best; |
| 74 | if (HasFlag(wxGA_VERTICAL)) |
| 75 | best = wxSize(28, 100); |
| 76 | else |
| 77 | best = wxSize(100, 28); |
| 78 | CacheBestSize(best); |
| 79 | return best; |
| 80 | } |
| 81 | |
| 82 | void wxGauge::SetRange( int range ) |
| 83 | { |
| 84 | m_rangeMax = range; |
| 85 | if (m_gaugePos > m_rangeMax) |
| 86 | m_gaugePos = m_rangeMax; |
| 87 | |
| 88 | DoSetGauge(); |
| 89 | } |
| 90 | |
| 91 | void wxGauge::SetValue( int pos ) |
| 92 | { |
| 93 | wxCHECK_RET( pos <= m_rangeMax, _T("invalid value in wxGauge::SetValue()") ); |
| 94 | |
| 95 | m_gaugePos = pos; |
| 96 | |
| 97 | DoSetGauge(); |
| 98 | } |
| 99 | |
| 100 | int wxGauge::GetRange() const |
| 101 | { |
| 102 | return m_rangeMax; |
| 103 | } |
| 104 | |
| 105 | int wxGauge::GetValue() const |
| 106 | { |
| 107 | return m_gaugePos; |
| 108 | } |
| 109 | |
| 110 | void wxGauge::Pulse() |
| 111 | { |
| 112 | gtk_progress_bar_pulse(GTK_PROGRESS_BAR (m_widget)); |
| 113 | } |
| 114 | |
| 115 | wxVisualAttributes wxGauge::GetDefaultAttributes() const |
| 116 | { |
| 117 | // Visible gauge colours use a different colour state |
| 118 | return GetDefaultAttributesFromGTKWidget(m_widget, |
| 119 | UseGTKStyleBase(), |
| 120 | GTK_STATE_ACTIVE); |
| 121 | |
| 122 | } |
| 123 | |
| 124 | // static |
| 125 | wxVisualAttributes |
| 126 | wxGauge::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) |
| 127 | { |
| 128 | return GetDefaultAttributesFromGTKWidget(gtk_progress_bar_new, |
| 129 | false, GTK_STATE_ACTIVE); |
| 130 | } |
| 131 | |
| 132 | #endif // wxUSE_GAUGE |