| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: radiobut.cpp |
| 3 | // Purpose: wxRadioButton |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 17/09/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 13 | #pragma implementation "radiobut.h" |
| 14 | #endif |
| 15 | |
| 16 | // For compilers that support precompilation, includes "wx.h". |
| 17 | #include "wx/wxprec.h" |
| 18 | |
| 19 | #ifdef __VMS |
| 20 | #define XtDisplay XTDISPLAY |
| 21 | #endif |
| 22 | |
| 23 | #include "wx/defs.h" |
| 24 | |
| 25 | #include "wx/radiobut.h" |
| 26 | #include "wx/utils.h" |
| 27 | |
| 28 | #ifdef __VMS__ |
| 29 | #pragma message disable nosimpint |
| 30 | #endif |
| 31 | #include <Xm/ToggleB.h> |
| 32 | #include <Xm/ToggleBG.h> |
| 33 | #ifdef __VMS__ |
| 34 | #pragma message enable nosimpint |
| 35 | #endif |
| 36 | |
| 37 | #include "wx/motif/private.h" |
| 38 | |
| 39 | void wxRadioButtonCallback (Widget w, XtPointer clientData, |
| 40 | XmToggleButtonCallbackStruct * cbs); |
| 41 | |
| 42 | IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl) |
| 43 | |
| 44 | wxRadioButton::wxRadioButton() |
| 45 | { |
| 46 | } |
| 47 | |
| 48 | bool wxRadioButton::Create(wxWindow *parent, wxWindowID id, |
| 49 | const wxString& label, |
| 50 | const wxPoint& pos, |
| 51 | const wxSize& size, long style, |
| 52 | const wxValidator& validator, |
| 53 | const wxString& name) |
| 54 | { |
| 55 | if( !CreateControl( parent, id, pos, size, style, validator, name ) ) |
| 56 | return false; |
| 57 | |
| 58 | Widget parentWidget = (Widget) parent->GetClientWidget(); |
| 59 | |
| 60 | wxString label1(wxStripMenuCodes(label)); |
| 61 | |
| 62 | wxXmString text( label1 ); |
| 63 | |
| 64 | WXFontType fontType = m_font.GetFontType(XtDisplay(parentWidget)); |
| 65 | |
| 66 | Widget radioButtonWidget = XtVaCreateManagedWidget ("toggle", |
| 67 | #if wxUSE_GADGETS |
| 68 | xmToggleButtonGadgetClass, parentWidget, |
| 69 | #else |
| 70 | xmToggleButtonWidgetClass, parentWidget, |
| 71 | #endif |
| 72 | wxFont::GetFontTag(), fontType, |
| 73 | XmNlabelString, text(), |
| 74 | XmNfillOnSelect, True, |
| 75 | XmNindicatorType, XmONE_OF_MANY, // diamond-shape |
| 76 | NULL); |
| 77 | |
| 78 | XtAddCallback (radioButtonWidget, |
| 79 | XmNvalueChangedCallback, |
| 80 | (XtCallbackProc)wxRadioButtonCallback, |
| 81 | (XtPointer)this); |
| 82 | |
| 83 | m_mainWidget = (WXWidget) radioButtonWidget; |
| 84 | |
| 85 | XtManageChild (radioButtonWidget); |
| 86 | |
| 87 | AttachWidget (parent, m_mainWidget, (WXWidget) NULL, |
| 88 | pos.x, pos.y, size.x, size.y); |
| 89 | |
| 90 | ChangeBackgroundColour(); |
| 91 | |
| 92 | //copied from mac/radiobut.cpp (from here till "return TRUE;") |
| 93 | m_cycle = this ; |
| 94 | |
| 95 | if (HasFlag(wxRB_GROUP)) |
| 96 | { |
| 97 | AddInCycle( NULL ) ; |
| 98 | } |
| 99 | else |
| 100 | { |
| 101 | /* search backward for last group start */ |
| 102 | wxRadioButton *chief = (wxRadioButton*) NULL; |
| 103 | wxWindowList::compatibility_iterator node = parent->GetChildren().GetLast(); |
| 104 | while (node) |
| 105 | { |
| 106 | wxWindow *child = node->GetData(); |
| 107 | if (child->IsKindOf( CLASSINFO( wxRadioButton ) ) ) |
| 108 | { |
| 109 | chief = (wxRadioButton*) child; |
| 110 | if (child->HasFlag(wxRB_GROUP)) break; |
| 111 | } |
| 112 | node = node->GetPrevious(); |
| 113 | } |
| 114 | AddInCycle( chief ) ; |
| 115 | } |
| 116 | return TRUE; |
| 117 | } |
| 118 | |
| 119 | void wxRadioButton::SetValue(bool value) |
| 120 | { |
| 121 | if (GetValue() == value) |
| 122 | return; |
| 123 | |
| 124 | m_inSetValue = TRUE; |
| 125 | XmToggleButtonSetState ((Widget) m_mainWidget, (Boolean) value, FALSE); |
| 126 | m_inSetValue = FALSE; |
| 127 | |
| 128 | ClearSelections(); |
| 129 | } |
| 130 | |
| 131 | // Get single selection, for single choice list items |
| 132 | bool wxRadioButton::GetValue() const |
| 133 | { |
| 134 | return (XmToggleButtonGetState ((Widget) m_mainWidget) != 0); |
| 135 | } |
| 136 | |
| 137 | void wxRadioButton::Command (wxCommandEvent & event) |
| 138 | { |
| 139 | SetValue ( (event.m_commandInt != 0) ); |
| 140 | ProcessCommand (event); |
| 141 | } |
| 142 | |
| 143 | void wxRadioButton::ChangeBackgroundColour() |
| 144 | { |
| 145 | wxWindow::ChangeBackgroundColour(); |
| 146 | |
| 147 | // What colour should this be? |
| 148 | int selectPixel = wxBLACK->AllocColour(XtDisplay((Widget)m_mainWidget)); |
| 149 | |
| 150 | XtVaSetValues ((Widget) GetMainWidget(), |
| 151 | XmNselectColor, selectPixel, |
| 152 | NULL); |
| 153 | } |
| 154 | |
| 155 | void wxRadioButtonCallback (Widget w, XtPointer clientData, |
| 156 | XmToggleButtonCallbackStruct * cbs) |
| 157 | { |
| 158 | if (!cbs->set) |
| 159 | return; |
| 160 | |
| 161 | wxRadioButton *item = (wxRadioButton *) clientData; |
| 162 | if (item->InSetValue()) |
| 163 | return; |
| 164 | |
| 165 | //based on mac/radiobut.cpp |
| 166 | wxRadioButton* old = item->ClearSelections(); |
| 167 | item->SetValue(TRUE); |
| 168 | |
| 169 | if ( old ) |
| 170 | { |
| 171 | wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, |
| 172 | old->GetId() ); |
| 173 | event.SetEventObject(old); |
| 174 | event.SetInt( FALSE ); |
| 175 | old->ProcessCommand(event); |
| 176 | } |
| 177 | wxCommandEvent event2(wxEVT_COMMAND_RADIOBUTTON_SELECTED, item->GetId() ); |
| 178 | event2.SetEventObject(item); |
| 179 | event2.SetInt( TRUE ); |
| 180 | item->ProcessCommand(event2); |
| 181 | } |
| 182 | |
| 183 | wxRadioButton* wxRadioButton::AddInCycle(wxRadioButton *cycle) |
| 184 | { |
| 185 | wxRadioButton* next; |
| 186 | wxRadioButton* current; |
| 187 | |
| 188 | if (cycle == NULL) |
| 189 | { |
| 190 | m_cycle = this; |
| 191 | return this; |
| 192 | } |
| 193 | else |
| 194 | { |
| 195 | current = cycle; |
| 196 | while ((next = current->m_cycle) != cycle) |
| 197 | current = current->m_cycle; |
| 198 | m_cycle = cycle; |
| 199 | current->m_cycle = this; |
| 200 | return cycle; |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | wxRadioButton* wxRadioButton::ClearSelections() |
| 205 | { |
| 206 | wxRadioButton* cycle = NextInCycle(); |
| 207 | wxRadioButton* old = 0; |
| 208 | |
| 209 | if (cycle) |
| 210 | { |
| 211 | while (cycle != this) |
| 212 | { |
| 213 | if ( cycle->GetValue() ) |
| 214 | { |
| 215 | old = cycle; |
| 216 | cycle->SetValue(FALSE); |
| 217 | } |
| 218 | cycle = cycle->NextInCycle(); |
| 219 | } |
| 220 | } |
| 221 | |
| 222 | return old; |
| 223 | } |
| 224 | |
| 225 | void wxRadioButton::RemoveFromCycle() |
| 226 | { |
| 227 | wxRadioButton* curr = NextInCycle(); |
| 228 | |
| 229 | while( curr ) |
| 230 | { |
| 231 | if( curr->NextInCycle() == this ) |
| 232 | { |
| 233 | curr->m_cycle = this->m_cycle; |
| 234 | return; |
| 235 | } |
| 236 | |
| 237 | curr = curr->NextInCycle(); |
| 238 | } |
| 239 | } |