src/generic/datectlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        generic/datectlg.cpp
   3 // Purpose:     generic wxDatePickerCtrlGeneric implementation
   4 // Author:      Andreas Pflug
   5 // Modified by:
   6 // Created:     2005-01-19
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2005 Andreas Pflug <pgadmin@pse-consulting.de>
   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_DATEPICKCTRL
  27
  28 #include "wx/datectrl.h"
  29
  30 // use this version if we're explicitly requested to do it or if it's the only
  31 // one we have
  32 #if wxUSE_DATEPICKCTRL_GENERIC || !defined(wxHAS_NATIVE_DATEPICKCTRL)
  33
  34 #ifndef WX_PRECOMP
  35     #include "wx/bmpbuttn.h"
  36     #include "wx/dialog.h"
  37     #include "wx/dcmemory.h"
  38     #include "wx/panel.h"
  39     #include "wx/textctrl.h"
  40     #include "wx/valtext.h"
  41 #endif
  42
  43 // otherwise it's defined in the native version implementation
  44 #ifndef wxHAS_NATIVE_DATEPICKCTRL
  45     #define _WX_DEFINE_DATE_EVENTS_
  46 #endif
  47
  48 #include "wx/dateevt.h"
  49 #include "wx/generic/datectrl.h"
  50
  51 #include "wx/arrstr.h"
  52 #include "wx/calctrl.h"
  53 #include "wx/popupwin.h"
  54 #include "wx/renderer.h"
  55
  56 // ----------------------------------------------------------------------------
  57 // constants
  58 // ----------------------------------------------------------------------------
  59
  60 enum
  61 {
  62     CTRLID_TXT = 101,
  63     CTRLID_CAL,
  64     CTRLID_BTN,
  65     CTRLID_PAN
  66 };
  67
  68 #ifndef DEFAULT_ITEM_WIDTH
  69     #define DEFAULT_ITEM_WIDTH 100
  70 #endif
  71
  72 // ============================================================================
  73 // wxDatePickerCtrlGeneric implementation
  74 // ============================================================================
  75
  76 BEGIN_EVENT_TABLE(wxDatePickerCtrlGeneric, wxDatePickerCtrlBase)
  77     EVT_BUTTON(CTRLID_BTN, wxDatePickerCtrlGeneric::OnClick)
  78     EVT_TEXT(CTRLID_TXT, wxDatePickerCtrlGeneric::OnText)
  79     EVT_CHILD_FOCUS(wxDatePickerCtrlGeneric::OnChildSetFocus)
  80 END_EVENT_TABLE()
  81
  82 #ifndef wxHAS_NATIVE_DATEPICKCTRL
  83     IMPLEMENT_DYNAMIC_CLASS(wxDatePickerCtrl, wxDatePickerCtrlBase)
  84 #endif
  85
  86 // ----------------------------------------------------------------------------
  87 // creation
  88 // ----------------------------------------------------------------------------
  89
  90 bool wxDatePickerCtrlGeneric::Create(wxWindow *parent,
  91                                      wxWindowID id,
  92                                      const wxDateTime& date,
  93                                      const wxPoint& pos,
  94                                      const wxSize& size,
  95                                      long style,
  96                                      const wxValidator& validator,
  97                                      const wxString& name)
  98 {
  99     wxASSERT_MSG( !(style & wxDP_SPIN),
 100                   _T("wxDP_SPIN style not supported, use wxDP_DEFAULT") );
 101
 102     if ( !wxControl::Create(parent, id, pos, size,
 103                             style | wxCLIP_CHILDREN | wxWANTS_CHARS,
 104                             validator, name) )
 105
 106     {
 107         return false;
 108     }
 109
 110     InheritAttributes();
 111
 112     m_txt = new wxTextCtrl(this, CTRLID_TXT);
 113     m_txt->Connect(wxID_ANY, wxID_ANY, wxEVT_KEY_DOWN,
 114                    (wxObjectEventFunction)
 115                    (wxEventFunction)
 116                    (wxCharEventFunction)
 117                    &wxDatePickerCtrlGeneric::OnEditKey,
 118                    0, this);
 119     m_txt->Connect(wxID_ANY, wxID_ANY, wxEVT_KILL_FOCUS,
 120                    (wxObjectEventFunction)
 121                    (wxEventFunction)
 122                    (wxFocusEventFunction)
 123                    &wxDatePickerCtrlGeneric::OnKillFocus,
 124                    0, this);
 125
 126     const int height = m_txt->GetBestSize().y - 4; // FIXME: fudge
 127     wxBitmap bmp(height, height);
 128     {
 129         wxMemoryDC dc;
 130         dc.SelectObject(bmp);
 131         wxRendererNative::Get().DrawComboBoxDropButton
 132                                 (
 133                                     this,
 134                                     dc,
 135                                     wxRect(0, 0, height, height)
 136                                 );
 137     }
 138
 139     wxBitmapButton *btn = new wxBitmapButton(this, CTRLID_BTN, bmp);
 140     btn->SetMargins(0, 0);
 141     m_btn = btn;
 142
 143     m_popup = new wxPopupWindow(this);
 144     m_popup->SetFont(GetFont());
 145
 146     wxPanel *panel=new wxPanel(m_popup, CTRLID_PAN,
 147                                wxPoint(), wxDefaultSize,
 148                                wxSUNKEN_BORDER);
 149     m_cal = new wxCalendarCtrl(panel, CTRLID_CAL, wxDefaultDateTime,
 150                                wxPoint(), wxDefaultSize,
 151                                wxCAL_SHOW_HOLIDAYS | wxSUNKEN_BORDER);
 152     m_cal->Connect(CTRLID_CAL, CTRLID_CAL, wxEVT_CALENDAR_SEL_CHANGED,
 153                    (wxObjectEventFunction)
 154                    (wxEventFunction)
 155                    (wxCalendarEventFunction)
 156                    &wxDatePickerCtrlGeneric::OnSelChange,
 157                    0, this);
 158     m_cal->Connect(wxID_ANY, wxID_ANY, wxEVT_KEY_DOWN,
 159                    (wxObjectEventFunction)
 160                    (wxEventFunction)
 161                    (wxCharEventFunction)
 162                    &wxDatePickerCtrlGeneric::OnCalKey,
 163                    0, this);
 164     m_cal->Connect(CTRLID_CAL, CTRLID_CAL, wxEVT_CALENDAR_DOUBLECLICKED,
 165                    (wxObjectEventFunction)
 166                    (wxEventFunction)
 167                    (wxCalendarEventFunction)
 168                    &wxDatePickerCtrlGeneric::OnSelChange,
 169                    0, this);
 170     m_cal->Connect(CTRLID_CAL, CTRLID_CAL, wxEVT_CALENDAR_DAY_CHANGED,
 171                    (wxObjectEventFunction)
 172                    (wxEventFunction)
 173                    (wxCalendarEventFunction)
 174                    &wxDatePickerCtrlGeneric::OnSelChange,
 175                    0, this);
 176     m_cal->Connect(CTRLID_CAL, CTRLID_CAL, wxEVT_CALENDAR_MONTH_CHANGED,
 177                    (wxObjectEventFunction)
 178                    (wxEventFunction)
 179                    (wxCalendarEventFunction)
 180                    &wxDatePickerCtrlGeneric::OnSelChange,
 181                    0, this);
 182     m_cal->Connect(CTRLID_CAL, CTRLID_CAL, wxEVT_CALENDAR_YEAR_CHANGED,
 183                    (wxObjectEventFunction)
 184                    (wxEventFunction)
 185                    (wxCalendarEventFunction)
 186                    &wxDatePickerCtrlGeneric::OnSelChange,
 187                    0, this);
 188
 189     wxWindow *yearControl = m_cal->GetYearControl();
 190
 191     Connect(wxID_ANY, wxID_ANY, wxEVT_SET_FOCUS,
 192                    (wxObjectEventFunction)
 193                    (wxEventFunction)
 194                    (wxFocusEventFunction)
 195                    &wxDatePickerCtrlGeneric::OnSetFocus);
 196
 197     wxClientDC dc(yearControl);
 198     dc.SetFont(m_font);
 199     wxCoord width, dummy;
 200     dc.GetTextExtent(wxT("2000"), &width, &dummy);
 201     width += ConvertDialogToPixels(wxSize(20,0)).x;
 202
 203     wxSize calSize = m_cal->GetBestSize();
 204     wxSize yearSize = yearControl->GetSize();
 205     yearSize.x = width;
 206
 207     wxPoint yearPosition = yearControl->GetPosition();
 208
 209     SetFormat(wxT("%x"));
 210
 211     if (date.IsValid())
 212         m_txt->SetValue(date.Format(m_format));
 213
 214
 215 #ifdef __WXMSW__
 216 #define CALBORDER   0
 217 #else
 218 #define CALBORDER   4
 219 #endif
 220
 221     width = yearPosition.x + yearSize.x+2+CALBORDER/2;
 222     if (width < calSize.x-4)
 223         width = calSize.x-4;
 224
 225     int calPos = (width-calSize.x)/2;
 226     if (calPos == -1)
 227     {
 228         calPos = 0;
 229         width += 2;
 230     }
 231     m_cal->SetSize(calPos, 0, calSize.x, calSize.y);
 232     yearControl->SetSize(width-yearSize.x-CALBORDER/2, yearPosition.y,
 233                          yearSize.x, yearSize.y);
 234     m_cal->GetMonthControl()->Move(0, 0);
 235
 236
 237
 238     panel->SetClientSize(width+CALBORDER/2, calSize.y-2+CALBORDER);
 239     m_popup->SetClientSize(panel->GetSize());
 240     m_popup->Hide();
 241
 242     return true;
 243 }
 244
 245
 246 void wxDatePickerCtrlGeneric::Init()
 247 {
 248     m_popup = NULL;
 249     m_txt = NULL;
 250     m_cal = NULL;
 251     m_btn = NULL;
 252
 253     m_dropped = false;
 254     m_ignoreDrop = false;
 255 }
 256
 257
 258 bool wxDatePickerCtrlGeneric::Destroy()
 259 {
 260     if (m_cal)
 261         m_cal->Destroy();
 262     if (m_popup)
 263         m_popup->Destroy();
 264     if (m_txt)
 265         m_txt->Destroy();
 266     if (m_btn)
 267         m_btn->Destroy();
 268
 269     m_popup = NULL;
 270     m_txt = NULL;
 271     m_cal = NULL;
 272     m_btn = NULL;
 273
 274     return wxControl::Destroy();
 275 }
 276
 277 // ----------------------------------------------------------------------------
 278 // overridden base class methods
 279 // ----------------------------------------------------------------------------
 280
 281 void wxDatePickerCtrlGeneric::DoMoveWindow(int x, int y, int w, int h)
 282 {
 283     wxControl::DoMoveWindow(x, y, w, h);
 284     wxSize bs=m_btn->GetBestSize();
 285     int eh=m_txt->GetBestSize().y;
 286
 287     m_txt->SetSize(0, 0, w-bs.x-1, h > eh ? eh : h);
 288     m_btn->SetSize(w - bs.x, 0, bs.x, h > bs.y ? bs.y : h);
 289
 290     if (m_dropped)
 291         DropDown();
 292 }
 293
 294 wxSize wxDatePickerCtrlGeneric::DoGetBestSize() const
 295 {
 296     int bh=m_btn->GetBestSize().y;
 297     int eh=m_txt->GetBestSize().y;
 298     return wxSize(DEFAULT_ITEM_WIDTH, bh > eh ? bh : eh);
 299 }
 300
 301
 302 bool wxDatePickerCtrlGeneric::Show(bool show)
 303 {
 304     if ( !wxControl::Show(show) )
 305     {
 306         return false;
 307     }
 308
 309     if (!show)
 310     {
 311         if (m_popup)
 312         {
 313             m_popup->Hide();
 314             m_dropped = false;
 315         }
 316     }
 317
 318     return true;
 319 }
 320
 321
 322 bool wxDatePickerCtrlGeneric::Enable(bool enable)
 323 {
 324     if ( !wxControl::Enable(enable) )
 325     {
 326         return false;
 327     }
 328
 329     if (!enable)
 330     {
 331         if (m_cal)
 332             m_cal->Hide();
 333     }
 334     if (m_btn)
 335         m_btn->Enable(enable);
 336     return true;
 337 }
 338
 339 // ----------------------------------------------------------------------------
 340 // wxDatePickerCtrlGeneric API
 341 // ----------------------------------------------------------------------------
 342
 343 bool
 344 wxDatePickerCtrlGeneric::SetDateRange(const wxDateTime& lowerdate,
 345                                       const wxDateTime& upperdate)
 346 {
 347     return m_cal->SetDateRange(lowerdate, upperdate);
 348 }
 349
 350 bool wxDatePickerCtrlGeneric::SetFormat(const wxChar *fmt)
 351 {
 352     wxString currentText;
 353     wxDateTime currentDate;
 354     if (m_txt)
 355     {
 356         currentText = m_txt->GetValue();
 357         if (!currentText.empty())
 358             currentDate.ParseFormat(currentText, m_format);
 359     }
 360     wxDateTime dt;
 361     dt.ParseFormat(wxT("2003-10-13"), wxT("%Y-%m-%d"));
 362     wxString str=dt.Format(fmt);
 363     wxChar *p=(wxChar*)str.c_str();
 364
 365     m_format=wxEmptyString;
 366
 367     while (*p)
 368     {
 369         int n=wxAtoi(p);
 370         if (n == dt.GetDay())
 371         {
 372             m_format.Append(wxT("%d"));
 373             p += 2;
 374         }
 375         else if (n == (int)dt.GetMonth()+1)
 376         {
 377             m_format.Append(wxT("%m"));
 378             p += 2;
 379         }
 380         else if (n == dt.GetYear())
 381         {
 382             m_format.Append(wxT("%Y"));
 383             p += 4;
 384         }
 385         else if (n == (dt.GetYear() % 100))
 386         {
 387             m_format.Append(wxT("%y"));
 388             p += 2;
 389         }
 390         else
 391             m_format.Append(*p++);
 392     }
 393
 394     if (m_txt)
 395     {
 396         wxArrayString valList;
 397         wxChar c;
 398         for (c='0'; c <= '9'; c++)
 399             valList.Add(wxString(c, 1));
 400         wxChar *p=(wxChar*)m_format.c_str();
 401         while (*p)
 402         {
 403             if (*p == '%')
 404                 p += 2;
 405             else
 406                 valList.Add(wxString(*p++, 1));
 407         }
 408         wxTextValidator tv(wxFILTER_INCLUDE_CHAR_LIST);
 409         tv.SetIncludes(valList);
 410
 411         m_txt->SetValidator(tv);
 412
 413         if (!currentText.empty())
 414             m_txt->SetValue(currentDate.Format(m_format));
 415     }
 416     return true;
 417 }
 418
 419
 420 wxDateTime wxDatePickerCtrlGeneric::GetValue() const
 421 {
 422     wxDateTime dt;
 423     wxString txt=m_txt->GetValue();
 424
 425     if (!txt.empty())
 426         dt.ParseFormat(txt, m_format);
 427
 428     return dt;
 429 }
 430
 431
 432 void wxDatePickerCtrlGeneric::SetValue(const wxDateTime& date)
 433 {
 434     if (m_cal)
 435     {
 436         if (date.IsValid())
 437             m_txt->SetValue(date.Format(m_format));
 438         else
 439             m_txt->SetValue(wxEmptyString);
 440     }
 441 }
 442
 443
 444 bool wxDatePickerCtrlGeneric::GetRange(wxDateTime *dt1, wxDateTime *dt2) const
 445 {
 446     if (dt1)
 447         *dt1 = m_cal->GetLowerDateLimit();
 448     if (dt1)
 449         *dt2 = m_cal->GetUpperDateLimit();
 450     return true;
 451 }
 452
 453
 454 void
 455 wxDatePickerCtrlGeneric::SetRange(const wxDateTime &dt1, const wxDateTime &dt2)
 456 {
 457     m_cal->SetDateRange(dt1, dt2);
 458 }
 459
 460 // ----------------------------------------------------------------------------
 461 // event handlers
 462 // ----------------------------------------------------------------------------
 463
 464 void wxDatePickerCtrlGeneric::DropDown(bool down)
 465 {
 466     if (m_popup)
 467     {
 468         if (down)
 469         {
 470             wxDateTime dt;
 471             if (!m_txt->GetValue().empty())
 472                 dt.ParseFormat(m_txt->GetValue(), m_format);
 473
 474             if (dt.IsValid())
 475                 m_cal->SetDate(dt);
 476             else
 477                 m_cal->SetDate(wxDateTime::Today());
 478
 479             wxPoint pos=GetParent()->ClientToScreen(GetPosition());
 480             m_popup->Move(pos.x, pos.y + GetSize().y);
 481             m_popup->Show();
 482             m_dropped = true;
 483         }
 484         else
 485         {
 486             if (m_dropped)
 487                 m_popup->Hide();
 488             m_dropped = false;
 489         }
 490     }
 491 }
 492
 493
 494 void wxDatePickerCtrlGeneric::OnChildSetFocus(wxChildFocusEvent &ev)
 495 {
 496     ev.Skip();
 497     m_ignoreDrop = false;
 498
 499     wxWindow  *w=(wxWindow*)ev.GetEventObject();
 500     while (w)
 501     {
 502         if (w == m_popup)
 503             return;
 504         w = w->GetParent();
 505     }
 506
 507     if (m_dropped)
 508     {
 509         DropDown(false);
 510         if (ev.GetEventObject() == m_btn)
 511             m_ignoreDrop = true;
 512     }
 513 }
 514
 515
 516 void wxDatePickerCtrlGeneric::OnClick(wxCommandEvent& WXUNUSED(event))
 517 {
 518     if (m_ignoreDrop)
 519     {
 520         m_ignoreDrop = false;
 521         m_txt->SetFocus();
 522     }
 523     else
 524     {
 525         DropDown();
 526         m_cal->SetFocus();
 527     }
 528 }
 529
 530
 531 void wxDatePickerCtrlGeneric::OnSetFocus(wxFocusEvent& WXUNUSED(ev))
 532 {
 533     if (m_txt)
 534     {
 535         m_txt->SetFocus();
 536         m_txt->SetSelection(0, 100);
 537     }
 538 }
 539
 540
 541 void wxDatePickerCtrlGeneric::OnKillFocus(wxFocusEvent &ev)
 542 {
 543     ev.Skip();
 544
 545     wxDateTime dt;
 546     dt.ParseFormat(m_txt->GetValue(), m_format);
 547     if (!dt.IsValid())
 548         m_txt->SetValue(wxEmptyString);
 549     else
 550         m_txt->SetValue(dt.Format(m_format));
 551 }
 552
 553
 554 void wxDatePickerCtrlGeneric::OnSelChange(wxCalendarEvent &ev)
 555 {
 556     if (m_cal)
 557     {
 558         m_txt->SetValue(m_cal->GetDate().Format(m_format));
 559         if (ev.GetEventType() == wxEVT_CALENDAR_DOUBLECLICKED)
 560         {
 561             DropDown(false);
 562             m_txt->SetFocus();
 563         }
 564     }
 565     ev.SetEventObject(this);
 566     ev.SetId(GetId());
 567     GetParent()->ProcessEvent(ev);
 568 }
 569
 570
 571 void wxDatePickerCtrlGeneric::OnText(wxCommandEvent &ev)
 572 {
 573     ev.SetEventObject(this);
 574     ev.SetId(GetId());
 575     GetParent()->ProcessEvent(ev);
 576
 577     // We'll create an additional event if the date is valid.
 578     // If the date isn't valid, the user's probable in the middle of typing
 579     wxString txt=m_txt->GetValue();
 580     wxDateTime dt;
 581     if (!txt.empty())
 582     {
 583         dt.ParseFormat(txt, m_format);
 584         if (!dt.IsValid())
 585             return;
 586     }
 587
 588     wxCalendarEvent cev(m_cal, wxEVT_CALENDAR_SEL_CHANGED);
 589     cev.SetEventObject(this);
 590     cev.SetId(GetId());
 591     cev.SetDate(dt);
 592
 593     GetParent()->ProcessEvent(cev);
 594 }
 595
 596
 597 void wxDatePickerCtrlGeneric::OnEditKey(wxKeyEvent & ev)
 598 {
 599     if (ev.GetKeyCode() == WXK_DOWN && !ev.HasModifiers())
 600         DropDown();
 601     else
 602         ev.Skip();
 603 }
 604
 605
 606 void wxDatePickerCtrlGeneric::OnCalKey(wxKeyEvent & ev)
 607 {
 608     if (ev.GetKeyCode() == WXK_ESCAPE && !ev.HasModifiers())
 609         DropDown(false);
 610     else
 611         ev.Skip();
 612 }
 613
 614 #endif // wxUSE_DATEPICKCTRL_GENERIC
 615
 616 #endif // wxUSE_DATEPICKCTRL
 617