src/generic/numdlgg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        numdlgg.cpp
   3 // Purpose:     wxGetNumberFromUser implementation
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     23.07.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Vadim Zeitlin
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma interface "numdlgg.h"
  22     #pragma implementation "numdlgg.h"
  23 #endif
  24
  25 // For compilers that support precompilation, includes "wx.h".
  26 #include "wx/wxprec.h"
  27
  28 #ifdef __BORLANDC__
  29     #pragma hdrstop
  30 #endif
  31
  32 #ifndef WX_PRECOMP
  33     #include <stdio.h>
  34
  35     #include "wx/utils.h"
  36     #include "wx/dialog.h"
  37     #include "wx/button.h"
  38     #include "wx/stattext.h"
  39     #include "wx/textctrl.h"
  40     #include "wx/intl.h"
  41 #endif
  42
  43 // this is where wxGetNumberFromUser() is declared
  44 #include "wx/generic/textdlgg.h"
  45
  46 // ----------------------------------------------------------------------------
  47 // private classes
  48 // ----------------------------------------------------------------------------
  49
  50 class WXDLLEXPORT wxNumberEntryDialog : public wxDialog
  51 {
  52 public:
  53     wxNumberEntryDialog(wxWindow *parent,
  54                         const wxString& message,
  55                         const wxString& prompt,
  56                         const wxString& caption,
  57                         long value, long min, long max,
  58                         const wxPoint& pos);
  59
  60     long GetValue() const { return m_value; }
  61
  62     // implementation only
  63     void OnOK(wxCommandEvent& event);
  64     void OnCancel(wxCommandEvent& event);
  65
  66 protected:
  67     wxTextCtrl *m_spinctrl; // TODO replace it with wxSpinCtrl once it's done
  68
  69     long m_value, m_min, m_max;
  70
  71 private:
  72     DECLARE_EVENT_TABLE()
  73 };
  74
  75 // ============================================================================
  76 // implementation
  77 // ============================================================================
  78
  79 // ----------------------------------------------------------------------------
  80 // wxNumberEntryDialog
  81 // ----------------------------------------------------------------------------
  82
  83 BEGIN_EVENT_TABLE(wxNumberEntryDialog, wxDialog)
  84     EVT_BUTTON(wxID_OK, wxNumberEntryDialog::OnOK)
  85     EVT_BUTTON(wxID_CANCEL, wxNumberEntryDialog::OnCancel)
  86 END_EVENT_TABLE()
  87
  88 wxNumberEntryDialog::wxNumberEntryDialog(wxWindow *parent,
  89                                          const wxString& message,
  90                                          const wxString& prompt,
  91                                          const wxString& caption,
  92                                          long value,
  93                                          long min,
  94                                          long max,
  95                                          const wxPoint& pos)
  96                    : wxDialog(parent, -1, caption,
  97                               pos, wxDefaultSize,
  98                               wxDEFAULT_DIALOG_STYLE | wxDIALOG_MODAL)
  99 {
 100     // init members
 101     // ------------
 102
 103     m_value = value;
 104     m_max = max;
 105     m_min = min;
 106
 107     // calculate the sizes
 108     // -------------------
 109
 110     wxArrayString lines;
 111     wxSize sizeText = SplitTextMessage(message, &lines);
 112
 113     wxSize sizeBtn = GetStandardButtonSize();
 114
 115     int wPrompt, hPrompt;
 116     GetTextExtent(prompt, &wPrompt, &hPrompt);
 117
 118     long wText = wxMax(2*sizeBtn.GetWidth(),
 119                        wxMax(wPrompt, sizeText.GetWidth()));
 120     long hText = GetStandardTextHeight();
 121
 122     long wDialog = 5*LAYOUT_X_MARGIN + wText + wPrompt;
 123     long hDialog = 2*LAYOUT_Y_MARGIN +
 124                    sizeText.GetHeight() * lines.GetCount() +
 125                    2*LAYOUT_Y_MARGIN +
 126                    hText +
 127                    2*LAYOUT_Y_MARGIN +
 128                    sizeBtn.GetHeight() +
 129                    2*LAYOUT_Y_MARGIN;
 130
 131     // create the controls
 132     // -------------------
 133
 134     // message
 135     long x = 2*LAYOUT_X_MARGIN;
 136     long y = CreateTextMessage(lines,
 137                                wxPoint(x, 2*LAYOUT_Y_MARGIN),
 138                                sizeText);
 139
 140     y += 2*LAYOUT_X_MARGIN;
 141
 142     // prompt
 143     (void)new wxStaticText(this, -1, prompt,
 144                            wxPoint(x, y),
 145                            wxSize(wPrompt, hPrompt));
 146
 147     // spin ctrl
 148     wxString valStr;
 149     valStr.Printf(_T("%lu"), m_value);
 150     m_spinctrl = new wxTextCtrl(this, -1, valStr,
 151                                 wxPoint(x + wPrompt + LAYOUT_X_MARGIN, y),
 152                                 wxSize(wText, hText));
 153     y += hText + 2*LAYOUT_X_MARGIN;
 154
 155     // and buttons
 156     CreateStandardButtons(wDialog, y, sizeBtn.GetWidth(), sizeBtn.GetHeight());
 157
 158     // set the dialog size and position
 159     SetClientSize(wDialog, hDialog);
 160     if ( pos == wxDefaultPosition )
 161     {
 162         // centre the dialog if no explicit position given
 163         Centre(wxBOTH | wxCENTER_FRAME);
 164     }
 165
 166     m_spinctrl->SetFocus();
 167 }
 168
 169 void wxNumberEntryDialog::OnOK(wxCommandEvent& event)
 170 {
 171     if ( (wxSscanf(m_spinctrl->GetValue(), _T("%lu"), &m_value) != 1) ||
 172          (m_value < m_min) || (m_value > m_max) )
 173     {
 174         // not a number or out of range
 175         m_value = -1;
 176     }
 177
 178     EndModal(wxID_OK);
 179 }
 180
 181 void wxNumberEntryDialog::OnCancel(wxCommandEvent& event)
 182 {
 183     m_value = -1;
 184
 185     EndModal(wxID_CANCEL);
 186 }
 187
 188 // ----------------------------------------------------------------------------
 189 // global functions
 190 // ----------------------------------------------------------------------------
 191
 192 // wxGetTextFromUser is in utilscmn.cpp
 193
 194 long wxGetNumberFromUser(const wxString& msg,
 195                          const wxString& prompt,
 196                          const wxString& title,
 197                          long value,
 198                          long min,
 199                          long max,
 200                          wxWindow *parent,
 201                          const wxPoint& pos)
 202 {
 203     wxNumberEntryDialog dialog(parent, msg, prompt, title,
 204                                value, min, max, pos);
 205     (void)dialog.ShowModal();
 206
 207     return dialog.GetValue();
 208 }