]> git.saurik.com Git - wxWidgets.git/blobdiff - src/generic/calctrl.cpp
Prevent possible divide by zero problem
[wxWidgets.git] / src / generic / calctrl.cpp
index 9c70985528f3f19382140d55207d802e869ef042..25b2e05bec3b240bb786baa7b53bf94433fdef6e 100644 (file)
@@ -6,7 +6,7 @@
 // Created:     29.12.99
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma implementation "calctrl.h"
 #endif
 
     #include "wx/brush.h"
     #include "wx/combobox.h"
     #include "wx/stattext.h"
+    #include "wx/textctrl.h"
 #endif //WX_PRECOMP
 
 #if wxUSE_CALENDARCTRL
 
+#include "wx/spinctrl.h"
+
 #include "wx/calctrl.h"
 
 #define DEBUG_PAINT 0
@@ -57,6 +60,7 @@ private:
     wxCalendarCtrl *m_cal;
 
     DECLARE_EVENT_TABLE()
+    DECLARE_NO_COPY_CLASS(wxMonthComboBox)
 };
 
 class wxYearSpinCtrl : public wxSpinCtrl
@@ -64,12 +68,18 @@ class wxYearSpinCtrl : public wxSpinCtrl
 public:
     wxYearSpinCtrl(wxCalendarCtrl *cal);
 
+    void OnYearTextChange(wxCommandEvent& event) 
+    {
+        m_cal->SetUserChangedYear();
+        m_cal->OnYearChange(event);
+    }
     void OnYearChange(wxSpinEvent& event) { m_cal->OnYearChange(event); }
 
 private:
     wxCalendarCtrl *m_cal;
 
     DECLARE_EVENT_TABLE()
+    DECLARE_NO_COPY_CLASS(wxYearSpinCtrl)
 };
 
 // ----------------------------------------------------------------------------
@@ -90,10 +100,67 @@ BEGIN_EVENT_TABLE(wxMonthComboBox, wxComboBox)
 END_EVENT_TABLE()
 
 BEGIN_EVENT_TABLE(wxYearSpinCtrl, wxSpinCtrl)
+    EVT_TEXT(-1, wxYearSpinCtrl::OnYearTextChange)
     EVT_SPINCTRL(-1, wxYearSpinCtrl::OnYearChange)
 END_EVENT_TABLE()
 
+#if wxUSE_EXTENDED_RTTI
+WX_DEFINE_FLAGS( wxCalendarCtrlStyle )
+
+wxBEGIN_FLAGS( wxCalendarCtrlStyle )
+    // new style border flags, we put them first to
+    // use them for streaming out
+    wxFLAGS_MEMBER(wxBORDER_SIMPLE)
+    wxFLAGS_MEMBER(wxBORDER_SUNKEN)
+    wxFLAGS_MEMBER(wxBORDER_DOUBLE)
+    wxFLAGS_MEMBER(wxBORDER_RAISED)
+    wxFLAGS_MEMBER(wxBORDER_STATIC)
+    wxFLAGS_MEMBER(wxBORDER_NONE)
+    
+    // old style border flags
+    wxFLAGS_MEMBER(wxSIMPLE_BORDER)
+    wxFLAGS_MEMBER(wxSUNKEN_BORDER)
+    wxFLAGS_MEMBER(wxDOUBLE_BORDER)
+    wxFLAGS_MEMBER(wxRAISED_BORDER)
+    wxFLAGS_MEMBER(wxSTATIC_BORDER)
+    wxFLAGS_MEMBER(wxNO_BORDER)
+
+    // standard window styles
+    wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
+    wxFLAGS_MEMBER(wxCLIP_CHILDREN)
+    wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
+    wxFLAGS_MEMBER(wxWANTS_CHARS)
+    wxFLAGS_MEMBER(wxNO_FULL_REPAINT_ON_RESIZE)
+    wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
+    wxFLAGS_MEMBER(wxVSCROLL)
+    wxFLAGS_MEMBER(wxHSCROLL)
+
+    wxFLAGS_MEMBER(wxCAL_SUNDAY_FIRST)
+    wxFLAGS_MEMBER(wxCAL_MONDAY_FIRST)
+    wxFLAGS_MEMBER(wxCAL_SHOW_HOLIDAYS)
+    wxFLAGS_MEMBER(wxCAL_NO_YEAR_CHANGE)
+    wxFLAGS_MEMBER(wxCAL_NO_MONTH_CHANGE)
+    wxFLAGS_MEMBER(wxCAL_SEQUENTIAL_MONTH_SELECTION)
+    wxFLAGS_MEMBER(wxCAL_SHOW_SURROUNDING_WEEKS)
+
+wxEND_FLAGS( wxCalendarCtrlStyle )
+
+IMPLEMENT_DYNAMIC_CLASS_XTI(wxCalendarCtrl, wxControl,"wx/calctrl.h")
+
+wxBEGIN_PROPERTIES_TABLE(wxCalendarCtrl)
+    wxEVENT_RANGE_PROPERTY( Updated , wxEVT_CALENDAR_SEL_CHANGED , wxEVT_CALENDAR_WEEKDAY_CLICKED , wxCalendarEvent )
+    wxHIDE_PROPERTY( Children )
+       wxPROPERTY( Date,wxDateTime, SetDate , GetDate, , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY_FLAGS( WindowStyle , wxCalendarCtrlStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+wxEND_PROPERTIES_TABLE()
+
+wxBEGIN_HANDLERS_TABLE(wxCalendarCtrl)
+wxEND_HANDLERS_TABLE()
+
+wxCONSTRUCTOR_6( wxCalendarCtrl , wxWindow* , Parent , wxWindowID , Id , wxDateTime , Date , wxPoint , Position , wxSize , Size , long , WindowStyle ) 
+#else
 IMPLEMENT_DYNAMIC_CLASS(wxCalendarCtrl, wxControl)
+#endif
 IMPLEMENT_DYNAMIC_CLASS(wxCalendarEvent, wxCommandEvent)
 
 // ----------------------------------------------------------------------------
@@ -142,6 +209,7 @@ wxYearSpinCtrl::wxYearSpinCtrl(wxCalendarCtrl *cal)
                            wxDefaultSize,
                            wxSP_ARROW_KEYS | wxCLIP_SIBLINGS,
                            -4300, 10000, cal->GetDate().GetYear())
+
 {
     m_cal = cal;
 }
@@ -150,10 +218,27 @@ wxYearSpinCtrl::wxYearSpinCtrl(wxCalendarCtrl *cal)
 // wxCalendarCtrl
 // ----------------------------------------------------------------------------
 
+wxCalendarCtrl::wxCalendarCtrl(wxWindow *parent,
+                   wxWindowID id,
+                   const wxDateTime& date,
+                   const wxPoint& pos,
+                   const wxSize& size,
+                   long style,
+                   const wxString& name)
+{
+    Init();
+    
+    (void)Create(parent, id, date, pos, size, style, name);
+}
+
 void wxCalendarCtrl::Init()
 {
     m_comboMonth = NULL;
     m_spinYear = NULL;
+    m_staticYear = NULL;
+    m_staticMonth = NULL;
+
+    m_userChangedYear = FALSE;
 
     m_widthCol =
     m_heightRow = 0;
@@ -202,7 +287,7 @@ bool wxCalendarCtrl::Create(wxWindow *parent,
     m_lowdate = wxDefaultDateTime;
     m_highdate = wxDefaultDateTime;
 
-    if ( !(GetWindowStyle() & wxCAL_SEQUENTIAL_MONTH_SELECTION) )
+    if ( !HasFlag(wxCAL_SEQUENTIAL_MONTH_SELECTION) )
     {
         m_spinYear = new wxYearSpinCtrl(this);
         m_staticYear = new wxStaticText(GetParent(), -1, m_date.Format(_T("%Y")),
@@ -231,7 +316,10 @@ bool wxCalendarCtrl::Create(wxWindow *parent,
         sizeReal = size;
     }
 
-    SetSize(sizeReal);
+    // we need to set the position as well because the main control position
+    // is not the same as the one specified in pos if we have the controls
+    // above it
+    SetSize(pos.x, pos.y, sizeReal.x, sizeReal.y);
 
     SetBackgroundColour(*wxWHITE);
     SetFont(*wxSWISS_FONT);
@@ -255,12 +343,19 @@ wxCalendarCtrl::~wxCalendarCtrl()
 
 bool wxCalendarCtrl::Destroy()
 {
-    if( m_staticYear ) m_staticYear->Destroy();
-    if( m_spinYear ) m_spinYear->Destroy();
-    if( m_comboMonth ) m_comboMonth->Destroy();
-    if( m_staticMonth ) m_staticMonth->Destroy();
-
-    m_staticYear = 0; m_spinYear = 0; m_comboMonth = 0; m_staticMonth = 0;
+    if ( m_staticYear )
+        m_staticYear->Destroy();
+    if ( m_spinYear )
+        m_spinYear->Destroy();
+    if ( m_comboMonth )
+        m_comboMonth->Destroy();
+    if ( m_staticMonth )
+        m_staticMonth->Destroy();
+
+    m_staticYear = NULL;
+    m_spinYear = NULL;
+    m_comboMonth = NULL;
+    m_staticMonth = NULL;
 
     return wxControl::Destroy();
 }
@@ -306,7 +401,7 @@ bool wxCalendarCtrl::Enable(bool enable)
 
 void wxCalendarCtrl::ShowCurrentControls()
 {
-    if ( !(GetWindowStyle() & wxCAL_SEQUENTIAL_MONTH_SELECTION) )
+    if ( !HasFlag(wxCAL_SEQUENTIAL_MONTH_SELECTION) )
     {
         if ( AllowMonthChange() )
         {
@@ -388,7 +483,7 @@ void wxCalendarCtrl::EnableMonthChange(bool enable)
 
 bool wxCalendarCtrl::SetDate(const wxDateTime& date)
 {
-    bool retval = FALSE;
+    bool retval = TRUE;
 
     bool sameMonth = m_date.GetMonth() == date.GetMonth(),
          sameYear = m_date.GetYear() == date.GetYear();
@@ -398,40 +493,43 @@ bool wxCalendarCtrl::SetDate(const wxDateTime& date)
         if ( sameMonth && sameYear )
         {
             // just change the day
-            retval = TRUE;
             ChangeDay(date);
         }
         else
         {
-            if ( !AllowMonthChange() || (!AllowYearChange() && !sameYear) )
+            if ( AllowMonthChange() && (AllowYearChange() || sameYear) )
             {
-                // forbidden
-                return retval;
-            }
-
-            // change everything
-            retval = TRUE;
-            m_date = date;
-
-            if ( !(GetWindowStyle() & wxCAL_SEQUENTIAL_MONTH_SELECTION) )
-            {
-                // update the controls
-                m_comboMonth->SetSelection(m_date.GetMonth());
+                // change everything
+                m_date = date;
 
-                if ( AllowYearChange() )
+                if ( !(GetWindowStyle() & wxCAL_SEQUENTIAL_MONTH_SELECTION) )
                 {
-                    m_spinYear->SetValue(m_date.Format(_T("%Y")));
+                    // update the controls
+                    m_comboMonth->SetSelection(m_date.GetMonth());
+
+                    if ( AllowYearChange() )
+                    {
+                        if ( !m_userChangedYear )
+                            m_spinYear->SetValue(m_date.Format(_T("%Y")));
+                    }
                 }
-            }
 
-            // as the month changed, holidays did too
-            SetHolidayAttrs();
+                // as the month changed, holidays did too
+                SetHolidayAttrs();
 
-            // update the calendar
-            Refresh();
+                // update the calendar
+                Refresh();
+            }
+            else
+            {
+                // forbidden
+                retval = FALSE;
+            }
         }
     }
 
+    m_userChangedYear = FALSE;
+    
     return retval;
 }
 
@@ -677,30 +775,27 @@ size_t wxCalendarCtrl::GetWeek(const wxDateTime& date) const
 
 // the constants used for the layout
 #define VERT_MARGIN     5           // distance between combo and calendar
+#ifdef __WXMAC__
+#define HORZ_MARGIN    5           //                            spin
+#else
 #define HORZ_MARGIN    15           //                            spin
-
+#endif
 wxSize wxCalendarCtrl::DoGetBestSize() const
 {
     // calc the size of the calendar
     ((wxCalendarCtrl *)this)->RecalcGeometry(); // const_cast
 
     wxCoord width = 7*m_widthCol,
-            height = 7*m_heightRow + m_rowOffset;
+            height = 7*m_heightRow + m_rowOffset + VERT_MARGIN;
 
-    // the combobox doesn't report its height correctly (it returns the
-    // height including the drop down list) so don't use it
-
-    if ( !(GetWindowStyle() & wxCAL_SEQUENTIAL_MONTH_SELECTION) )
+    if ( !HasFlag(wxCAL_SEQUENTIAL_MONTH_SELECTION) )
     {
-        height += VERT_MARGIN + m_spinYear->GetBestSize().y;
-    }
-    else
-    {
-        height += VERT_MARGIN;
+        // the combobox doesn't report its height correctly (it returns the
+        // height including the drop down list) so don't use it
+        height += m_spinYear->GetBestSize().y;
     }
 
-//    if ( GetWindowStyle() & (wxRAISED_BORDER | wxSUNKEN_BORDER) ) // This doesn't work. Default is wxBORDER_DEFAULT (0)
-    if ( !(GetWindowStyle() & wxBORDER_NONE) )
+    if ( !HasFlag(wxBORDER_NONE) )
     {
         // the border would clip the last line otherwise
         height += 6;
@@ -719,27 +814,59 @@ void wxCalendarCtrl::DoSetSize(int x, int y,
 
 void wxCalendarCtrl::DoMoveWindow(int x, int y, int width, int height)
 {
-    int xDiff = 0;
-    int yDiff = 0;
+    int yDiff;
 
-    if ( !(GetWindowStyle() & wxCAL_SEQUENTIAL_MONTH_SELECTION) )
+    if ( !HasFlag(wxCAL_SEQUENTIAL_MONTH_SELECTION) )
     {
         wxSize sizeCombo = m_comboMonth->GetSize();
         wxSize sizeStatic = m_staticMonth->GetSize();
-
+        wxSize sizeSpin = m_spinYear->GetSize();
         int dy = (sizeCombo.y - sizeStatic.y) / 2;
-
+/*
+In the calender the size of the combobox for the year 
+is just defined by a margin from the month combobox to 
+the left border. While in wxUniv the year control can't 
+show all 4 digits, in wxMsw it show almost twice as 
+much. Instead the year should use it's best size and be 
+left aligned to the calendar. Just in case the month in 
+any language is longer than it has space in the 
+calendar it is shortend.This way the year always can 
+show the 4 digits. 
+
+This patch relies on the fact that a combobox has a 
+good best size implementation. This is not the case 
+with wxMSW but I don't know why.
+
+Otto Wyss
+*/
+
+#ifdef __WXUNIVERSAL__
+        if (sizeCombo.x + HORZ_MARGIN - sizeSpin.x > width)
+        {
+            m_comboMonth->SetSize(x, y, width - HORZ_MARGIN - sizeSpin.x, sizeCombo.y);
+        }
+        else
+        {
+            m_comboMonth->Move(x, y);
+        }
+        m_staticMonth->Move(x, y + dy);
+        m_spinYear->Move(x + width - sizeSpin.x, y);
+        m_staticYear->Move(x + width - sizeSpin.x, y + dy);
+#else
         m_comboMonth->Move(x, y);
         m_staticMonth->SetSize(x, y + dy, sizeCombo.x, sizeStatic.y);
 
-        xDiff = sizeCombo.x + HORZ_MARGIN;
+        int xDiff = sizeCombo.x + HORZ_MARGIN;
 
         m_spinYear->SetSize(x + xDiff, y, width - xDiff, sizeCombo.y);
         m_staticYear->SetSize(x + xDiff, y + dy, width - xDiff, sizeStatic.y);
-
-        wxSize sizeSpin = m_spinYear->GetSize();
+#endif
         yDiff = wxMax(sizeSpin.y, sizeCombo.y) + VERT_MARGIN;
     }
+    else // no controls on the top
+    {
+        yDiff = 0;
+    }
 
     wxControl::DoMoveWindow(x, y + yDiff, width, height - yDiff);
 }
@@ -765,7 +892,7 @@ void wxCalendarCtrl::DoGetSize(int *width, int *height) const
     if ( !(GetWindowStyle() & wxCAL_SEQUENTIAL_MONTH_SELECTION) )
     {
         // our real height is bigger
-        if ( height )
+        if ( height && GetMonthControl())
         {
             *height += GetMonthControl()->GetSize().y + VERT_MARGIN;
         }
@@ -822,9 +949,7 @@ void wxCalendarCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
 
     wxCoord y = 0;
 
-/////////////////////////////////////////////////////////////////////////////////////////
-
-    if ( (GetWindowStyle() & wxCAL_SEQUENTIAL_MONTH_SELECTION) )
+    if ( HasFlag(wxCAL_SEQUENTIAL_MONTH_SELECTION) )
     {
         // draw the sequential month-selector
 
@@ -832,7 +957,7 @@ void wxCalendarCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
         dc.SetTextForeground(*wxBLACK);
         dc.SetBrush(wxBrush(m_colHeaderBg, wxSOLID));
         dc.SetPen(wxPen(m_colHeaderBg, 1, wxSOLID));
-        dc.DrawRectangle(0, y, 7*m_widthCol, m_heightRow);
+        dc.DrawRectangle(0, y, GetClientSize().x, m_heightRow);
 
         // Get extent of month-name + year
         wxCoord monthw, monthh;
@@ -894,8 +1019,6 @@ void wxCalendarCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
         y += m_heightRow;
     }
 
-/////////////////////////////////////////////////////////////////////////////////////////
-
     // first draw the week days
     if ( IsExposed(0, y, 7*m_widthCol, m_heightRow) )
     {
@@ -907,7 +1030,7 @@ void wxCalendarCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
         dc.SetTextForeground(m_colHeaderFg);
         dc.SetBrush(wxBrush(m_colHeaderBg, wxSOLID));
         dc.SetPen(wxPen(m_colHeaderBg, 1, wxSOLID));
-        dc.DrawRectangle(0, y, 7*m_widthCol, m_heightRow);
+        dc.DrawRectangle(0, y, GetClientSize().x, m_heightRow);
 
         bool startOnMonday = (GetWindowStyle() & wxCAL_MONDAY_FIRST) != 0;
         for ( size_t wd = 0; wd < 7; wd++ )
@@ -919,7 +1042,6 @@ void wxCalendarCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
                 n = wd;
             wxCoord dayw, dayh;
             dc.GetTextExtent(m_weekdays[n], &dayw, &dayh);
-//            dc.DrawText(m_weekdays[n], wd*m_widthCol + 1, y);
             dc.DrawText(m_weekdays[n], (wd*m_widthCol) + ((m_widthCol- dayw) / 2), y); // center the day-name
         }
     }
@@ -1500,11 +1622,17 @@ void wxCalendarCtrl::OnMonthChange(wxCommandEvent& event)
     SetDateAndNotify(target);
 }
 
-void wxCalendarCtrl::OnYearChange(wxSpinEvent& event)
+void wxCalendarCtrl::OnYearChange(wxCommandEvent& event)
 {
+    int year = (int)event.GetInt();
+    if ( year == INT_MIN )
+    {
+        // invalid year in the spin control, ignore it
+        return;
+    }
+
     wxDateTime::Tm tm = m_date.GetTm();
 
-    int year = (int)event.GetInt();
     if ( tm.mday > wxDateTime::GetNumberOfDays(tm.mon, year) )
     {
         tm.mday = wxDateTime::GetNumberOfDays(tm.mon, year);
@@ -1522,7 +1650,6 @@ void wxCalendarCtrl::OnYearChange(wxSpinEvent& event)
         // inside the same year but a strange number of months forward/back..
         m_spinYear->SetValue(target.GetYear());
     }
-
 }
 
 // ----------------------------------------------------------------------------
@@ -1532,7 +1659,7 @@ void wxCalendarCtrl::OnYearChange(wxSpinEvent& event)
 void wxCalendarCtrl::OnChar(wxKeyEvent& event)
 {
     wxDateTime target;
-    switch ( event.KeyCode() )
+    switch ( event.GetKeyCode() )
     {
         case _T('+'):
         case WXK_ADD: