| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: spinbutt.cpp |
| 3 | // Purpose: wxSpinCtrl |
| 4 | // Author: Robert |
| 5 | // Modified by: Mark Newsam (Based on GTK file) |
| 6 | // RCS-ID: $Id$ |
| 7 | // Copyright: (c) Robert Roebling |
| 8 | // Licence: wxWindows licence |
| 9 | ///////////////////////////////////////////////////////////////////////////// |
| 10 | |
| 11 | #ifdef __GNUG__ |
| 12 | #pragma implementation "spinctlg.h" |
| 13 | #endif |
| 14 | |
| 15 | #include "wx/defs.h" |
| 16 | |
| 17 | #ifndef WX_PRECOMP |
| 18 | #include "wx/textctrl.h" |
| 19 | #endif //WX_PRECOMP |
| 20 | |
| 21 | #if wxUSE_SPINCTRL |
| 22 | |
| 23 | #include "wx/spinbutt.h" |
| 24 | #include "wx/spinctrl.h" |
| 25 | |
| 26 | |
| 27 | #include "wx/spinctrl.h" |
| 28 | |
| 29 | // ---------------------------------------------------------------------------- |
| 30 | // constants |
| 31 | // ---------------------------------------------------------------------------- |
| 32 | |
| 33 | // the margin between the text control and the spin |
| 34 | static const wxCoord MARGIN = 2; |
| 35 | |
| 36 | // ---------------------------------------------------------------------------- |
| 37 | // wxSpinCtrlText: text control used by spin control |
| 38 | // ---------------------------------------------------------------------------- |
| 39 | |
| 40 | class wxSpinCtrlText : public wxTextCtrl |
| 41 | { |
| 42 | public: |
| 43 | wxSpinCtrlText(wxSpinCtrl *spin, const wxString& value) |
| 44 | : wxTextCtrl(spin , -1, value) |
| 45 | { |
| 46 | m_spin = spin; |
| 47 | } |
| 48 | |
| 49 | protected: |
| 50 | void OnTextChange(wxCommandEvent& event) |
| 51 | { |
| 52 | int val; |
| 53 | if ( m_spin->GetTextValue(&val) ) |
| 54 | { |
| 55 | m_spin->GetSpinButton()->SetValue(val); |
| 56 | } |
| 57 | |
| 58 | event.Skip(); |
| 59 | } |
| 60 | |
| 61 | bool ProcessEvent(wxEvent &event) |
| 62 | { |
| 63 | // Hand button down events to wxSpinCtrl. Doesn't work. |
| 64 | if (event.GetEventType() == wxEVT_LEFT_DOWN && m_spin->ProcessEvent( event )) |
| 65 | return TRUE; |
| 66 | |
| 67 | return wxTextCtrl::ProcessEvent( event ); |
| 68 | } |
| 69 | |
| 70 | private: |
| 71 | wxSpinCtrl *m_spin; |
| 72 | |
| 73 | DECLARE_EVENT_TABLE() |
| 74 | }; |
| 75 | |
| 76 | BEGIN_EVENT_TABLE(wxSpinCtrlText, wxTextCtrl) |
| 77 | EVT_TEXT(-1, wxSpinCtrlText::OnTextChange) |
| 78 | END_EVENT_TABLE() |
| 79 | |
| 80 | // ---------------------------------------------------------------------------- |
| 81 | // wxSpinCtrlButton: spin button used by spin control |
| 82 | // ---------------------------------------------------------------------------- |
| 83 | |
| 84 | class wxSpinCtrlButton : public wxSpinButton |
| 85 | { |
| 86 | public: |
| 87 | wxSpinCtrlButton(wxSpinCtrl *spin, int style) |
| 88 | : wxSpinButton(spin ) |
| 89 | { |
| 90 | m_spin = spin; |
| 91 | |
| 92 | SetWindowStyle(style | wxSP_VERTICAL); |
| 93 | } |
| 94 | |
| 95 | protected: |
| 96 | void OnSpinButton(wxSpinEvent& eventSpin) |
| 97 | { |
| 98 | #if defined(__WXMAC__) || defined(__WXMOTIF__) |
| 99 | m_spin->SetTextValue(eventSpin.GetPosition()); |
| 100 | |
| 101 | wxCommandEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, m_spin->GetId()); |
| 102 | event.SetEventObject(m_spin); |
| 103 | event.SetInt(eventSpin.GetPosition()); |
| 104 | |
| 105 | m_spin->GetEventHandler()->ProcessEvent(event); |
| 106 | #else |
| 107 | m_spin->SetTextValue(eventSpin.GetPosition()); |
| 108 | eventSpin.Skip(); |
| 109 | #endif |
| 110 | } |
| 111 | |
| 112 | private: |
| 113 | wxSpinCtrl *m_spin; |
| 114 | |
| 115 | DECLARE_EVENT_TABLE() |
| 116 | }; |
| 117 | |
| 118 | BEGIN_EVENT_TABLE(wxSpinCtrlButton, wxSpinButton) |
| 119 | EVT_SPIN(-1, wxSpinCtrlButton::OnSpinButton) |
| 120 | END_EVENT_TABLE() |
| 121 | |
| 122 | IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl) |
| 123 | |
| 124 | // ============================================================================ |
| 125 | // implementation |
| 126 | // ============================================================================ |
| 127 | |
| 128 | // ---------------------------------------------------------------------------- |
| 129 | // wxSpinCtrl creation |
| 130 | // ---------------------------------------------------------------------------- |
| 131 | |
| 132 | void wxSpinCtrl::Init() |
| 133 | { |
| 134 | m_text = NULL; |
| 135 | m_btn = NULL; |
| 136 | } |
| 137 | |
| 138 | bool wxSpinCtrl::Create(wxWindow *parent, |
| 139 | wxWindowID id, |
| 140 | const wxString& value, |
| 141 | const wxPoint& pos, |
| 142 | const wxSize& size, |
| 143 | long style, |
| 144 | int min, |
| 145 | int max, |
| 146 | int initial, |
| 147 | const wxString& name) |
| 148 | { |
| 149 | if ( !wxControl::Create(parent, id, wxDefaultPosition, wxDefaultSize, style, |
| 150 | wxDefaultValidator, name) ) |
| 151 | { |
| 152 | return FALSE; |
| 153 | } |
| 154 | |
| 155 | // the string value overrides the numeric one (for backwards compatibility |
| 156 | // reasons and also because it is simpler to satisfy the string value which |
| 157 | // comes much sooner in the list of arguments and leave the initial |
| 158 | // parameter unspecified) |
| 159 | if ( !value.empty() ) |
| 160 | { |
| 161 | long l; |
| 162 | if ( value.ToLong(&l) ) |
| 163 | initial = l; |
| 164 | } |
| 165 | |
| 166 | wxSize csize = size ; |
| 167 | m_text = new wxSpinCtrlText(this, value); |
| 168 | m_btn = new wxSpinCtrlButton(this, style); |
| 169 | |
| 170 | m_btn->SetRange(min, max); |
| 171 | m_btn->SetValue(initial); |
| 172 | |
| 173 | if ( size.y == -1 ) { |
| 174 | csize.y = m_text->GetSize().y ; |
| 175 | } |
| 176 | DoSetSize(pos.x , pos.y , csize.x, csize.y); |
| 177 | |
| 178 | return TRUE; |
| 179 | } |
| 180 | |
| 181 | wxSpinCtrl::~wxSpinCtrl() |
| 182 | { |
| 183 | // delete the controls now, don't leave them alive even though they would |
| 184 | // still be eventually deleted by our parent - but it will be too late, the |
| 185 | // user code expects them to be gone now |
| 186 | delete m_text; |
| 187 | m_text = NULL ; |
| 188 | delete m_btn; |
| 189 | m_btn = NULL ; |
| 190 | } |
| 191 | |
| 192 | // ---------------------------------------------------------------------------- |
| 193 | // geometry |
| 194 | // ---------------------------------------------------------------------------- |
| 195 | |
| 196 | wxSize wxSpinCtrl::DoGetBestSize() const |
| 197 | { |
| 198 | wxSize sizeBtn = m_btn->GetBestSize(), |
| 199 | sizeText = m_text->GetBestSize(); |
| 200 | |
| 201 | return wxSize(sizeBtn.x + sizeText.x + MARGIN, sizeText.y); |
| 202 | } |
| 203 | |
| 204 | void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height) |
| 205 | { |
| 206 | wxControl::DoMoveWindow(x, y, width, height); |
| 207 | |
| 208 | // position the subcontrols inside the client area |
| 209 | wxSize sizeBtn = m_btn->GetSize(); |
| 210 | |
| 211 | wxCoord wText = width - sizeBtn.x; |
| 212 | m_text->SetSize(0, 0, wText, height); |
| 213 | m_btn->SetSize(0 + wText + MARGIN, 0, -1, -1); |
| 214 | } |
| 215 | |
| 216 | // ---------------------------------------------------------------------------- |
| 217 | // operations forwarded to the subcontrols |
| 218 | // ---------------------------------------------------------------------------- |
| 219 | |
| 220 | bool wxSpinCtrl::Enable(bool enable) |
| 221 | { |
| 222 | if ( !wxControl::Enable(enable) ) |
| 223 | return FALSE; |
| 224 | return TRUE; |
| 225 | } |
| 226 | |
| 227 | bool wxSpinCtrl::Show(bool show) |
| 228 | { |
| 229 | if ( !wxControl::Show(show) ) |
| 230 | return FALSE; |
| 231 | return TRUE; |
| 232 | } |
| 233 | |
| 234 | // ---------------------------------------------------------------------------- |
| 235 | // value and range access |
| 236 | // ---------------------------------------------------------------------------- |
| 237 | |
| 238 | bool wxSpinCtrl::GetTextValue(int *val) const |
| 239 | { |
| 240 | long l; |
| 241 | if ( !m_text->GetValue().ToLong(&l) ) |
| 242 | { |
| 243 | // not a number at all |
| 244 | return FALSE; |
| 245 | } |
| 246 | |
| 247 | if ( l < GetMin() || l > GetMax() ) |
| 248 | { |
| 249 | // out of range |
| 250 | return FALSE; |
| 251 | } |
| 252 | |
| 253 | *val = l; |
| 254 | |
| 255 | return TRUE; |
| 256 | } |
| 257 | |
| 258 | int wxSpinCtrl::GetValue() const |
| 259 | { |
| 260 | return m_btn ? m_btn->GetValue() : 0; |
| 261 | } |
| 262 | |
| 263 | int wxSpinCtrl::GetMin() const |
| 264 | { |
| 265 | return m_btn ? m_btn->GetMin() : 0; |
| 266 | } |
| 267 | |
| 268 | int wxSpinCtrl::GetMax() const |
| 269 | { |
| 270 | return m_btn ? m_btn->GetMax() : 0; |
| 271 | } |
| 272 | |
| 273 | // ---------------------------------------------------------------------------- |
| 274 | // changing value and range |
| 275 | // ---------------------------------------------------------------------------- |
| 276 | |
| 277 | void wxSpinCtrl::SetTextValue(int val) |
| 278 | { |
| 279 | wxCHECK_RET( m_text, _T("invalid call to wxSpinCtrl::SetTextValue") ); |
| 280 | |
| 281 | m_text->SetValue(wxString::Format(_T("%d"), val)); |
| 282 | |
| 283 | // select all text |
| 284 | m_text->SetSelection(0, -1); |
| 285 | |
| 286 | // and give focus to the control! |
| 287 | // m_text->SetFocus(); Why???? TODO. |
| 288 | } |
| 289 | |
| 290 | void wxSpinCtrl::SetValue(int val) |
| 291 | { |
| 292 | wxCHECK_RET( m_btn, _T("invalid call to wxSpinCtrl::SetValue") ); |
| 293 | |
| 294 | SetTextValue(val); |
| 295 | |
| 296 | m_btn->SetValue(val); |
| 297 | } |
| 298 | |
| 299 | void wxSpinCtrl::SetValue(const wxString& text) |
| 300 | { |
| 301 | wxCHECK_RET( m_text, _T("invalid call to wxSpinCtrl::SetValue") ); |
| 302 | |
| 303 | long val; |
| 304 | if ( text.ToLong(&val) && ((val > INT_MIN) && (val < INT_MAX)) ) |
| 305 | { |
| 306 | SetValue((int)val); |
| 307 | } |
| 308 | else // not a number at all or out of range |
| 309 | { |
| 310 | m_text->SetValue(text); |
| 311 | m_text->SetSelection(0, -1); |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | void wxSpinCtrl::SetRange(int min, int max) |
| 316 | { |
| 317 | wxCHECK_RET( m_btn, _T("invalid call to wxSpinCtrl::SetRange") ); |
| 318 | |
| 319 | m_btn->SetRange(min, max); |
| 320 | } |
| 321 | |
| 322 | void wxSpinCtrl::SetSelection(long from, long to) |
| 323 | { |
| 324 | // if from and to are both -1, it means (in wxWindows) that all text should |
| 325 | // be selected |
| 326 | if ( (from == -1) && (to == -1) ) |
| 327 | { |
| 328 | from = 0; |
| 329 | } |
| 330 | m_text->SetSelection(from, to); |
| 331 | } |
| 332 | |
| 333 | #endif // wxUSE_SPINCTRL |