| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/univ/radiobut.cpp |
| 3 | // Purpose: wxRadioButton implementation |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 10.09.00 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 2000 SciTech Software, Inc. (www.scitechsoft.com) |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | #include "wx/wxprec.h" |
| 21 | |
| 22 | #ifdef __BORLANDC__ |
| 23 | #pragma hdrstop |
| 24 | #endif |
| 25 | |
| 26 | #if wxUSE_RADIOBTN |
| 27 | |
| 28 | #include "wx/radiobut.h" |
| 29 | |
| 30 | #ifndef WX_PRECOMP |
| 31 | #include "wx/dcclient.h" |
| 32 | #include "wx/validate.h" |
| 33 | #endif |
| 34 | |
| 35 | #include "wx/univ/theme.h" |
| 36 | #include "wx/univ/renderer.h" |
| 37 | #include "wx/univ/inphand.h" |
| 38 | #include "wx/univ/colschem.h" |
| 39 | |
| 40 | // ============================================================================ |
| 41 | // implementation |
| 42 | // ============================================================================ |
| 43 | |
| 44 | // ---------------------------------------------------------------------------- |
| 45 | // wxRadioButton |
| 46 | // ---------------------------------------------------------------------------- |
| 47 | |
| 48 | bool wxRadioButton::Create(wxWindow *parent, |
| 49 | wxWindowID id, |
| 50 | const wxString &label, |
| 51 | const wxPoint &pos, |
| 52 | const wxSize &size, |
| 53 | long style, |
| 54 | const wxValidator& validator, |
| 55 | const wxString &name) |
| 56 | { |
| 57 | if ( !wxCheckBox::Create(parent, id, label, pos, size, style, |
| 58 | validator, name) ) |
| 59 | { |
| 60 | return false; |
| 61 | } |
| 62 | |
| 63 | return true; |
| 64 | } |
| 65 | |
| 66 | // ---------------------------------------------------------------------------- |
| 67 | // radio button methods |
| 68 | // ---------------------------------------------------------------------------- |
| 69 | |
| 70 | void wxRadioButton::OnCheck() |
| 71 | { |
| 72 | // clear all others radio buttons in our group: for this we need to |
| 73 | // find the radio button which is the first in the group, i.e. the one |
| 74 | // with wxRB_GROUP style |
| 75 | const wxWindowList& siblings = GetParent()->GetChildren(); |
| 76 | wxWindowList::compatibility_iterator nodeStart = siblings.Find(this); |
| 77 | while ( nodeStart ) |
| 78 | { |
| 79 | // stop if we found a radio button with wxRB_GROUP style or it we |
| 80 | // are at the first control |
| 81 | if ( !nodeStart->GetPrevious() || |
| 82 | (nodeStart->GetData()->GetWindowStyle() & wxRB_GROUP) ) |
| 83 | break; |
| 84 | |
| 85 | nodeStart = nodeStart->GetPrevious(); |
| 86 | } |
| 87 | |
| 88 | // now clear all radio buttons from the starting one until the next |
| 89 | // one with wxRB_GROUP style |
| 90 | while ( nodeStart ) |
| 91 | { |
| 92 | wxWindow *win = nodeStart->GetData(); |
| 93 | if ( win != this ) |
| 94 | { |
| 95 | wxRadioButton *btn = wxDynamicCast(win, wxRadioButton); |
| 96 | if ( btn ) |
| 97 | { |
| 98 | btn->ClearValue(); |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | nodeStart = nodeStart->GetNext(); |
| 103 | if ( !nodeStart || |
| 104 | (nodeStart->GetData()->GetWindowStyle() & wxRB_GROUP) ) |
| 105 | { |
| 106 | // we reached the next group |
| 107 | break; |
| 108 | } |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | void wxRadioButton::ChangeValue(bool value) |
| 113 | { |
| 114 | if ( value == IsChecked() ) |
| 115 | return; |
| 116 | |
| 117 | if ( !IsChecked() ) |
| 118 | { |
| 119 | wxCheckBox::ChangeValue(value); |
| 120 | } |
| 121 | else // attempt to clear a radio button - this can't be done |
| 122 | { |
| 123 | // but still refresh as our PRESSED flag changed |
| 124 | Refresh(); |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | void wxRadioButton::ClearValue() |
| 129 | { |
| 130 | if ( IsChecked() ) |
| 131 | { |
| 132 | SetValue(false); |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | void wxRadioButton::SendEvent() |
| 137 | { |
| 138 | wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, GetId()); |
| 139 | InitCommandEvent(event); |
| 140 | event.SetInt(IsChecked()); |
| 141 | Command(event); |
| 142 | } |
| 143 | |
| 144 | // ---------------------------------------------------------------------------- |
| 145 | // overridden wxCheckBox methods |
| 146 | // ---------------------------------------------------------------------------- |
| 147 | |
| 148 | wxSize wxRadioButton::GetBitmapSize() const |
| 149 | { |
| 150 | wxBitmap bmp = GetBitmap(State_Normal, Status_Checked); |
| 151 | return bmp.IsOk() ? wxSize(bmp.GetWidth(), bmp.GetHeight()) |
| 152 | : GetRenderer()->GetRadioBitmapSize(); |
| 153 | } |
| 154 | |
| 155 | void wxRadioButton::DoDraw(wxControlRenderer *renderer) |
| 156 | { |
| 157 | wxDC& dc = renderer->GetDC(); |
| 158 | dc.SetFont(GetFont()); |
| 159 | dc.SetTextForeground(GetForegroundColour()); |
| 160 | |
| 161 | int flags = GetStateFlags(); |
| 162 | Status status = GetStatus(); |
| 163 | if ( status == Status_Checked ) |
| 164 | flags |= wxCONTROL_CHECKED; |
| 165 | |
| 166 | renderer->GetRenderer()-> |
| 167 | DrawRadioButton(dc, |
| 168 | GetLabel(), |
| 169 | GetBitmap(GetState(flags), status), |
| 170 | renderer->GetRect(), |
| 171 | flags, |
| 172 | GetWindowStyle() & wxALIGN_RIGHT ? wxALIGN_RIGHT |
| 173 | : wxALIGN_LEFT, |
| 174 | GetAccelIndex()); |
| 175 | } |
| 176 | |
| 177 | #endif // wxUSE_RADIOBTN |