| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/motif/combobox.cpp |
| 3 | // Purpose: wxComboBox class |
| 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 | // For compilers that support precompilation, includes "wx.h". |
| 13 | #include "wx/wxprec.h" |
| 14 | |
| 15 | #if wxUSE_COMBOBOX |
| 16 | |
| 17 | #include "wx/combobox.h" |
| 18 | |
| 19 | #ifndef WX_PRECOMP |
| 20 | #include "wx/arrstr.h" |
| 21 | #endif |
| 22 | |
| 23 | #ifdef __VMS__ |
| 24 | #pragma message disable nosimpint |
| 25 | #endif |
| 26 | #include <Xm/Xm.h> |
| 27 | #ifdef __VMS__ |
| 28 | #pragma message enable nosimpint |
| 29 | #endif |
| 30 | |
| 31 | // use the old, GPL'd combobox |
| 32 | #if (XmVersion < 2000) |
| 33 | |
| 34 | #include "xmcombo/xmcombo.h" |
| 35 | |
| 36 | #include "wx/motif/private.h" |
| 37 | |
| 38 | void wxComboBoxCallback (Widget w, XtPointer clientData, |
| 39 | XmComboBoxSelectionCallbackStruct * cbs); |
| 40 | |
| 41 | bool wxComboBox::Create(wxWindow *parent, wxWindowID id, |
| 42 | const wxString& value, |
| 43 | const wxPoint& pos, |
| 44 | const wxSize& size, |
| 45 | int n, const wxString choices[], |
| 46 | long style, |
| 47 | const wxValidator& validator, |
| 48 | const wxString& name) |
| 49 | { |
| 50 | if( !CreateControl( parent, id, pos, size, style, validator, name ) ) |
| 51 | return false; |
| 52 | PreCreation(); |
| 53 | |
| 54 | Widget parentWidget = (Widget) parent->GetClientWidget(); |
| 55 | |
| 56 | Widget buttonWidget = XtVaCreateManagedWidget(name.c_str(), |
| 57 | xmComboBoxWidgetClass, parentWidget, |
| 58 | XmNmarginHeight, 0, |
| 59 | XmNmarginWidth, 0, |
| 60 | XmNshowLabel, False, |
| 61 | XmNeditable, ((style & wxCB_READONLY) != wxCB_READONLY), |
| 62 | XmNsorted, ((style & wxCB_SORT) == wxCB_SORT), |
| 63 | XmNstaticList, ((style & wxCB_SIMPLE) == wxCB_SIMPLE), |
| 64 | NULL); |
| 65 | |
| 66 | int i; |
| 67 | for (i = 0; i < n; i++) |
| 68 | { |
| 69 | wxXmString str( choices[i] ); |
| 70 | XmComboBoxAddItem(buttonWidget, str(), 0); |
| 71 | m_stringArray.Add(choices[i]); |
| 72 | } |
| 73 | |
| 74 | m_mainWidget = (Widget) buttonWidget; |
| 75 | |
| 76 | XtManageChild (buttonWidget); |
| 77 | |
| 78 | SetValue(value); |
| 79 | |
| 80 | XtAddCallback (buttonWidget, XmNselectionCallback, (XtCallbackProc) wxComboBoxCallback, |
| 81 | (XtPointer) this); |
| 82 | XtAddCallback (buttonWidget, XmNvalueChangedCallback, (XtCallbackProc) wxComboBoxCallback, |
| 83 | (XtPointer) this); |
| 84 | |
| 85 | PostCreation(); |
| 86 | AttachWidget (parent, m_mainWidget, (WXWidget) NULL, pos.x, pos.y, size.x, size.y); |
| 87 | |
| 88 | return true; |
| 89 | } |
| 90 | |
| 91 | bool wxComboBox::Create(wxWindow *parent, wxWindowID id, |
| 92 | const wxString& value, |
| 93 | const wxPoint& pos, |
| 94 | const wxSize& size, |
| 95 | const wxArrayString& choices, |
| 96 | long style, |
| 97 | const wxValidator& validator, |
| 98 | const wxString& name) |
| 99 | { |
| 100 | wxCArrayString chs(choices); |
| 101 | return Create(parent, id, value, pos, size, chs.GetCount(), |
| 102 | chs.GetStrings(), style, validator, name); |
| 103 | } |
| 104 | |
| 105 | wxComboBox::~wxComboBox() |
| 106 | { |
| 107 | DetachWidget((Widget) m_mainWidget); // Removes event handlers |
| 108 | XtDestroyWidget((Widget) m_mainWidget); |
| 109 | m_mainWidget = (WXWidget) 0; |
| 110 | } |
| 111 | |
| 112 | void wxComboBox::DoSetSize(int x, int y, |
| 113 | int width, int WXUNUSED(height), |
| 114 | int sizeFlags) |
| 115 | { |
| 116 | // Necessary so it doesn't call wxChoice::SetSize |
| 117 | wxWindow::DoSetSize(x, y, width, DoGetBestSize().y, sizeFlags); |
| 118 | } |
| 119 | |
| 120 | #if 0 |
| 121 | // Already defined in include/motif/combobox.h |
| 122 | wxString wxComboBox::GetValue() const |
| 123 | { |
| 124 | char *s = XmComboBoxGetString ((Widget) m_mainWidget); |
| 125 | if (s) |
| 126 | { |
| 127 | wxString str(s); |
| 128 | XtFree (s); |
| 129 | return str; |
| 130 | } |
| 131 | else |
| 132 | return wxEmptyString; |
| 133 | } |
| 134 | #endif |
| 135 | |
| 136 | void wxComboBox::SetValue(const wxString& value) |
| 137 | { |
| 138 | if( !value.empty() ) |
| 139 | { |
| 140 | m_inSetValue = true; |
| 141 | XmComboBoxSetString((Widget)m_mainWidget, value.char_str()); |
| 142 | m_inSetValue = false; |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | void wxComboBox::SetString(unsigned int WXUNUSED(n), const wxString& WXUNUSED(s)) |
| 147 | { |
| 148 | wxFAIL_MSG( wxT("wxComboBox::SetString only implemented for Motif 2.0") ); |
| 149 | } |
| 150 | |
| 151 | // TODO auto-sorting is not supported by the code |
| 152 | int wxComboBox::DoInsertItems(const wxArrayStringsAdapter& items, |
| 153 | unsigned int pos, |
| 154 | void **clientData, |
| 155 | wxClientDataType type) |
| 156 | { |
| 157 | const unsigned int numItems = items.GetCount(); |
| 158 | |
| 159 | AllocClientData(numItems); |
| 160 | for( unsigned int i = 0; i < numItems; ++i, ++pos ) |
| 161 | { |
| 162 | wxXmString str( items[i].c_str() ); |
| 163 | XmComboBoxAddItem((Widget) m_mainWidget, str(), GetMotifPosition(pos)); |
| 164 | m_stringArray.Insert(items[i], pos); |
| 165 | InsertNewItemClientData(pos, clientData, i, type); |
| 166 | } |
| 167 | |
| 168 | return pos - 1; |
| 169 | } |
| 170 | |
| 171 | void wxComboBox::DoDeleteOneItem(unsigned int n) |
| 172 | { |
| 173 | XmComboBoxDeletePos((Widget) m_mainWidget, n+1); |
| 174 | m_stringArray.RemoveAt(n); |
| 175 | wxControlWithItems::DoDeleteOneItem(n); |
| 176 | } |
| 177 | |
| 178 | void wxComboBox::Clear() |
| 179 | { |
| 180 | XmComboBoxDeleteAllItems((Widget) m_mainWidget); |
| 181 | m_stringArray.Clear(); |
| 182 | |
| 183 | wxControlWithItems::DoClear(); |
| 184 | } |
| 185 | |
| 186 | void wxComboBox::SetSelection (int n) |
| 187 | { |
| 188 | XmComboBoxSelectPos((Widget) m_mainWidget, n+1, False); |
| 189 | } |
| 190 | |
| 191 | int wxComboBox::GetSelection (void) const |
| 192 | { |
| 193 | int sel = XmComboBoxGetSelectedPos((Widget) m_mainWidget); |
| 194 | if (sel == 0) |
| 195 | return -1; |
| 196 | else |
| 197 | return sel - 1; |
| 198 | } |
| 199 | |
| 200 | wxString wxComboBox::GetString(unsigned int n) const |
| 201 | { |
| 202 | return m_stringArray[n]; |
| 203 | } |
| 204 | |
| 205 | int wxComboBox::FindString(const wxString& s, bool WXUNUSED(bCase)) const |
| 206 | { |
| 207 | // FIXME: back to base class for not supported value of bCase |
| 208 | |
| 209 | int *pos_list = NULL; |
| 210 | int count = 0; |
| 211 | wxXmString text( s ); |
| 212 | bool found = (XmComboBoxGetMatchPos((Widget) m_mainWidget, |
| 213 | text(), &pos_list, &count) != 0); |
| 214 | |
| 215 | if (found && count > 0) |
| 216 | { |
| 217 | int pos = pos_list[0] - 1; |
| 218 | free(pos_list); |
| 219 | return pos; |
| 220 | } |
| 221 | |
| 222 | return wxNOT_FOUND; |
| 223 | } |
| 224 | |
| 225 | void wxComboBoxCallback (Widget WXUNUSED(w), XtPointer clientData, |
| 226 | XmComboBoxSelectionCallbackStruct * cbs) |
| 227 | { |
| 228 | wxComboBox *item = (wxComboBox *) clientData; |
| 229 | |
| 230 | switch (cbs->reason) |
| 231 | { |
| 232 | case XmCR_SINGLE_SELECT: |
| 233 | case XmCR_BROWSE_SELECT: |
| 234 | { |
| 235 | wxCommandEvent event (wxEVT_COMMAND_COMBOBOX_SELECTED, |
| 236 | item->GetId()); |
| 237 | event.SetInt(cbs->index - 1); |
| 238 | event.SetString( item->GetString ( event.GetInt() ) ); |
| 239 | if ( item->HasClientObjectData() ) |
| 240 | event.SetClientObject( item->GetClientObject(cbs->index - 1) ); |
| 241 | else if ( item->HasClientUntypedData() ) |
| 242 | event.SetClientData( item->GetClientData(cbs->index - 1) ); |
| 243 | event.SetExtraLong(true); |
| 244 | event.SetEventObject(item); |
| 245 | item->ProcessCommand (event); |
| 246 | break; |
| 247 | } |
| 248 | case XmCR_VALUE_CHANGED: |
| 249 | { |
| 250 | wxCommandEvent event (wxEVT_COMMAND_TEXT_UPDATED, item->GetId()); |
| 251 | event.SetInt(-1); |
| 252 | event.SetString( item->GetValue() ); |
| 253 | event.SetExtraLong(true); |
| 254 | event.SetEventObject(item); |
| 255 | item->ProcessCommand (event); |
| 256 | break; |
| 257 | } |
| 258 | default: |
| 259 | break; |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | void wxComboBox::ChangeFont(bool keepOriginalSize) |
| 264 | { |
| 265 | // Don't use the base class wxChoice's ChangeFont |
| 266 | wxWindow::ChangeFont(keepOriginalSize); |
| 267 | } |
| 268 | |
| 269 | void wxComboBox::ChangeBackgroundColour() |
| 270 | { |
| 271 | wxWindow::ChangeBackgroundColour(); |
| 272 | } |
| 273 | |
| 274 | void wxComboBox::ChangeForegroundColour() |
| 275 | { |
| 276 | wxWindow::ChangeForegroundColour(); |
| 277 | } |
| 278 | |
| 279 | wxSize wxComboBox::DoGetBestSize() const |
| 280 | { |
| 281 | if( (GetWindowStyle() & wxCB_DROPDOWN) == wxCB_DROPDOWN || |
| 282 | (GetWindowStyle() & wxCB_READONLY) == wxCB_READONLY ) |
| 283 | { |
| 284 | wxSize items = GetItemsSize(); |
| 285 | // FIXME arbitrary constants |
| 286 | return wxSize( ( items.x ? items.x + 50 : 120 ), |
| 287 | items.y + 10 ); |
| 288 | } |
| 289 | else |
| 290 | return wxWindow::DoGetBestSize(); |
| 291 | } |
| 292 | |
| 293 | WXWidget wxComboBox::GetTextWidget() const |
| 294 | { |
| 295 | return (WXWidget)XmComboBoxGetEditWidget((Widget) m_mainWidget); |
| 296 | } |
| 297 | |
| 298 | #endif // XmVersion < 2000 |
| 299 | |
| 300 | #endif // wxUSE_COMBOBOX |