apply complete transforms (scroll window PrepareDC was not functioning properly)

[wxWidgets.git] / include / wx / generic / calctrl.h

diff --git a/include/wx/generic/calctrl.h b/include/wx/generic/calctrl.h
index a3c4617964a1bfd82012334792c41f821a819f9c..25b5902d70f66f2dc1668929a3059b145865994a 100644 (file)
--- a/include/wx/generic/calctrl.h
+++ b/include/wx/generic/calctrl.h
@@ -6,21 +6,18 @@
 // Created:     29.12.99
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Created:     29.12.99
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 ///////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-    #pragma interface "calctrl.h"
-#endif
-

 #ifndef _WX_GENERIC_CALCTRL_H
 #define _WX_GENERIC_CALCTRL_H
 
 #include "wx/control.h"         // the base class
 #ifndef _WX_GENERIC_CALCTRL_H
 #define _WX_GENERIC_CALCTRL_H
 
 #include "wx/control.h"         // the base class

+#include "wx/dcclient.h"        // for wxPaintDC

 
 

-#include "wx/datetime.h"        // for m_date
-#include "wx/combobox.h"        // for m_comboMonth
-#include "wx/spinctrl.h"        // for m_spinYear
+class WXDLLEXPORT wxComboBox;
+class WXDLLEXPORT wxStaticText;
+class WXDLLEXPORT wxSpinCtrl;

 
 #define wxCalendarNameStr _T("CalendarCtrl")
 
 
 #define wxCalendarNameStr _T("CalendarCtrl")
 


@@ -28,11 +25,8 @@
 // wxCalendarCtrl: a control allowing the user to pick a date interactively
 // ----------------------------------------------------------------------------
 
 // wxCalendarCtrl: a control allowing the user to pick a date interactively
 // ----------------------------------------------------------------------------
 

-class WXDLLEXPORT wxCalendarCtrl : public wxControl
+class WXDLLIMPEXP_ADV wxCalendarCtrl : public wxControl

 {
 {

-friend class wxMonthComboBox;
-friend class wxYearSpinCtrl;
-

 public:
     // construction
     wxCalendarCtrl() { Init(); }
 public:
     // construction
     wxCalendarCtrl() { Init(); }


@@ -41,30 +35,112 @@ public:
                    const wxDateTime& date = wxDefaultDateTime,
                    const wxPoint& pos = wxDefaultPosition,
                    const wxSize& size = wxDefaultSize,
                    const wxDateTime& date = wxDefaultDateTime,
                    const wxPoint& pos = wxDefaultPosition,
                    const wxSize& size = wxDefaultSize,

-                   long style = 0,
-                   const wxString& name = wxCalendarNameStr)
-        : wxControl(parent, id, pos, size,
-                    style | wxWANTS_CHARS, wxDefaultValidator, name)
-    {
-        Init();
-
-        (void)Create(parent, id, date, pos, size, style, name);
-    }
+                   long style = wxCAL_SHOW_HOLIDAYS | wxWANTS_CHARS,
+                   const wxString& name = wxCalendarNameStr);

 
     bool Create(wxWindow *parent,
                 wxWindowID id,
                 const wxDateTime& date = wxDefaultDateTime,
                 const wxPoint& pos = wxDefaultPosition,
                 const wxSize& size = wxDefaultSize,
 
     bool Create(wxWindow *parent,
                 wxWindowID id,
                 const wxDateTime& date = wxDefaultDateTime,
                 const wxPoint& pos = wxDefaultPosition,
                 const wxSize& size = wxDefaultSize,

-                long style = 0,
+                long style = wxCAL_SHOW_HOLIDAYS | wxWANTS_CHARS,

                 const wxString& name = wxCalendarNameStr);
 
     virtual ~wxCalendarCtrl();
 
                 const wxString& name = wxCalendarNameStr);
 
     virtual ~wxCalendarCtrl();
 

+    virtual bool Destroy();
+

     // set/get the current date
     // set/get the current date

-    void SetDate(const wxDateTime& date);
+    // ------------------------
+
+    bool SetDate(const wxDateTime& date); // we need to be able to control if the event should be sent in SetDateAndNotify(...)

     const wxDateTime& GetDate() const { return m_date; }
 
     const wxDateTime& GetDate() const { return m_date; }
 

+    // set/get the range in which selection can occur
+    // ---------------------------------------------
+
+    bool SetLowerDateLimit(const wxDateTime& date = wxDefaultDateTime);
+    const wxDateTime& GetLowerDateLimit() const { return m_lowdate; }
+    bool SetUpperDateLimit(const wxDateTime& date = wxDefaultDateTime);
+    const wxDateTime& GetUpperDateLimit() const { return m_highdate; }
+
+    bool SetDateRange(const wxDateTime& lowerdate = wxDefaultDateTime, const wxDateTime& upperdate = wxDefaultDateTime);
+
+    // calendar mode
+    // -------------
+
+    // some calendar styles can't be changed after the control creation by
+    // just using SetWindowStyle() and Refresh() and the functions below
+    // should be used instead for them
+
+    // corresponds to wxCAL_NO_YEAR_CHANGE bit
+    void EnableYearChange(bool enable = true);
+
+    // corresponds to wxCAL_NO_MONTH_CHANGE bit
+    void EnableMonthChange(bool enable = true);
+
+    // corresponds to wxCAL_SHOW_HOLIDAYS bit
+    void EnableHolidayDisplay(bool display = true);
+
+    // customization
+    // -------------
+
+    // header colours are used for painting the weekdays at the top
+    void SetHeaderColours(const wxColour& colFg, const wxColour& colBg)
+    {
+        m_colHeaderFg = colFg;
+        m_colHeaderBg = colBg;
+    }
+
+    const wxColour& GetHeaderColourFg() const { return m_colHeaderFg; }
+    const wxColour& GetHeaderColourBg() const { return m_colHeaderBg; }
+
+    // highlight colour is used for the currently selected date
+    void SetHighlightColours(const wxColour& colFg, const wxColour& colBg)
+    {
+        m_colHighlightFg = colFg;
+        m_colHighlightBg = colBg;
+    }
+
+    const wxColour& GetHighlightColourFg() const { return m_colHighlightFg; }
+    const wxColour& GetHighlightColourBg() const { return m_colHighlightBg; }
+
+    // holiday colour is used for the holidays (if style & wxCAL_SHOW_HOLIDAYS)
+    void SetHolidayColours(const wxColour& colFg, const wxColour& colBg)
+    {
+        m_colHolidayFg = colFg;
+        m_colHolidayBg = colBg;
+    }
+
+    const wxColour& GetHolidayColourFg() const { return m_colHolidayFg; }
+    const wxColour& GetHolidayColourBg() const { return m_colHolidayBg; }
+
+    // an item without custom attributes is drawn with the default colours and
+    // font and without border, setting custom attributes allows to modify this
+    //
+    // the day parameter should be in 1..31 range, for days 29, 30, 31 the
+    // corresponding attribute is just unused if there is no such day in the
+    // current month
+
+    wxCalendarDateAttr *GetAttr(size_t day) const
+    {
+        wxCHECK_MSG( day > 0 && day < 32, NULL, _T("invalid day") );
+
+        return m_attrs[day - 1];
+    }
+
+    void SetAttr(size_t day, wxCalendarDateAttr *attr)
+    {
+        wxCHECK_RET( day > 0 && day < 32, _T("invalid day") );
+
+        delete m_attrs[day - 1];
+        m_attrs[day - 1] = attr;
+    }
+
+    void SetHoliday(size_t day);
+
+    void ResetAttr(size_t day) { SetAttr(day, (wxCalendarDateAttr *)NULL); }
+

     // returns one of wxCAL_HITTEST_XXX constants and fills either date or wd
     // with the corresponding value (none for NOWHERE, the date for DAY and wd
     // for HEADER)
     // returns one of wxCAL_HITTEST_XXX constants and fills either date or wd
     // with the corresponding value (none for NOWHERE, the date for DAY and wd
     // for HEADER)


@@ -76,27 +152,40 @@ public:
     // -------------------------------
 
     // forward these functions to all subcontrols
     // -------------------------------
 
     // forward these functions to all subcontrols

-    virtual bool Enable(bool enable = TRUE);
-    virtual bool Show(bool show = TRUE);
+    virtual bool Enable(bool enable = true);
+    virtual bool Show(bool show = true);
+
+    virtual wxVisualAttributes GetDefaultAttributes() const
+        { return GetClassDefaultAttributes(GetWindowVariant()); }
+
+    static wxVisualAttributes
+    GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
+
+    void OnSysColourChanged(wxSysColourChangedEvent& event);
+
+protected:
+    // override some base class virtuals
+    virtual wxSize DoGetBestSize() const;
+    virtual void DoGetPosition(int *x, int *y) const;
+    virtual void DoGetSize(int *width, int *height) const;
+    virtual void DoSetSize(int x, int y, int width, int height, int sizeFlags);
+    virtual void DoMoveWindow(int x, int y, int width, int height);

 
 private:
     // common part of all ctors
     void Init();
 
 
 private:
     // common part of all ctors
     void Init();
 

+    // startup colours and reinitialization after colour changes in system
+    void InitColours();
+

     // event handlers
     void OnPaint(wxPaintEvent& event);
     void OnClick(wxMouseEvent& event);
     void OnDClick(wxMouseEvent& event);
     void OnChar(wxKeyEvent& event);
     void OnMonthChange(wxCommandEvent& event);
     // event handlers
     void OnPaint(wxPaintEvent& event);
     void OnClick(wxMouseEvent& event);
     void OnDClick(wxMouseEvent& event);
     void OnChar(wxKeyEvent& event);
     void OnMonthChange(wxCommandEvent& event);

-    void OnYearChange(wxSpinEvent& event);
-
-    // override some base class virtuals
-    virtual wxSize DoGetBestSize() const;
-    virtual void DoGetPosition(int *x, int *y) const;
-    virtual void DoGetSize(int *width, int *height) const;
-    virtual void DoSetSize(int x, int y, int width, int height, int sizeFlags);
-    virtual void DoMoveWindow(int x, int y, int width, int height);
+    void OnYearChange(wxCommandEvent& event);
+    void OnYearTextChange(wxCommandEvent& event);

 
     // (re)calc m_widthCol and m_heightRow
     void RecalcGeometry();
 
     // (re)calc m_widthCol and m_heightRow
     void RecalcGeometry();


@@ -113,31 +202,121 @@ private:
     // is this date shown?
     bool IsDateShown(const wxDateTime& date) const;
 
     // is this date shown?
     bool IsDateShown(const wxDateTime& date) const;
 

+    // is this date in the given range?
+    bool IsDateInRange(const wxDateTime& date) const;
+
+    // range helpers
+    bool ChangeYear(wxDateTime* target) const;
+    bool ChangeMonth(wxDateTime* target) const;
+

     // redraw the given date
     void RefreshDate(const wxDateTime& date);
 
     // change the date inside the same month/year
     void ChangeDay(const wxDateTime& date);
 
     // redraw the given date
     void RefreshDate(const wxDateTime& date);
 
     // change the date inside the same month/year
     void ChangeDay(const wxDateTime& date);
 

-    // generate the given calendar event and a "selection changed" one if
-    // selChanged is TRUE
-    void GenerateEvent(wxEventType type, bool selChanged = TRUE);
+    // set the attributes for the holidays if needed
+    void SetHolidayAttrs();
+
+    // reset all holidays
+    void ResetHolidayAttrs();
+
+    // generate the given calendar event(s)
+    void GenerateEvent(wxEventType type)
+    {
+        wxCalendarEvent event(this, type);
+        (void)GetEventHandler()->ProcessEvent(event);
+    }
+
+    void GenerateEvents(wxEventType type1, wxEventType type2)
+    {
+        GenerateEvent(type1);
+        GenerateEvent(type2);
+    }
+
+    // do we allow changing the month/year?
+    bool AllowMonthChange() const
+    {
+        return (GetWindowStyle() & wxCAL_NO_MONTH_CHANGE)
+                != wxCAL_NO_MONTH_CHANGE;
+    }
+    bool AllowYearChange() const
+    {
+        return !(GetWindowStyle() & wxCAL_NO_YEAR_CHANGE);
+    }
+
+    // show the correct controls
+    void ShowCurrentControls();
+
+    // create the month combo and year spin controls
+    void CreateMonthComboBox();
+    void CreateYearSpinCtrl();
+
+public:
+    // get the currently shown control for month/year
+    wxControl *GetMonthControl() const;
+    wxControl *GetYearControl() const;
+
+private:
+    // OnPaint helper-methods
+
+    // Highlight the [fromdate : todate] range using pen and brush
+    void HighlightRange(wxPaintDC* dc, const wxDateTime& fromdate, const wxDateTime& todate, const wxPen* pen, const wxBrush* brush);
+
+    // Get the "coordinates" for the date relative to the month currently displayed.
+    // using (day, week): upper left coord is (1, 1), lower right coord is (7, 6)
+    // if the date isn't visible (-1, -1) is put in (day, week) and false is returned
+    bool GetDateCoord(const wxDateTime& date, int *day, int *week) const;
+
+    // Set the flag for SetDate(): otherwise it would overwrite the year
+    // typed in by the user
+    void SetUserChangedYear() { m_userChangedYear = true; }

 
     // the subcontrols
 
     // the subcontrols

+    wxStaticText *m_staticMonth;

     wxComboBox *m_comboMonth;
     wxComboBox *m_comboMonth;

+
+    wxStaticText *m_staticYear;

     wxSpinCtrl *m_spinYear;
 
     wxSpinCtrl *m_spinYear;
 

+    // the current selection

     wxDateTime m_date;
 
     wxDateTime m_date;
 

+    // the date-range
+    wxDateTime m_lowdate;
+    wxDateTime m_highdate;
+
+    // default attributes
+    wxColour m_colHighlightFg,
+             m_colHighlightBg,
+             m_colHolidayFg,
+             m_colHolidayBg,
+             m_colHeaderFg,
+             m_colHeaderBg,
+             m_colBackground,
+             m_colSorrounding;
+
+    // the attributes for each of the month days
+    wxCalendarDateAttr *m_attrs[31];
+

     // the width and height of one column/row in the calendar
     wxCoord m_widthCol,
     // the width and height of one column/row in the calendar
     wxCoord m_widthCol,

-            m_heightRow;
+            m_heightRow,
+            m_rowOffset;
+
+    wxRect m_leftArrowRect,
+           m_rightArrowRect;

 
     // the week day names
     wxString m_weekdays[7];
 
 
     // the week day names
     wxString m_weekdays[7];
 

+    // true if SetDate() is being called as the result of changing the year in
+    // the year control
+    bool m_userChangedYear;
+

     DECLARE_DYNAMIC_CLASS(wxCalendarCtrl)
     DECLARE_EVENT_TABLE()
     DECLARE_DYNAMIC_CLASS(wxCalendarCtrl)
     DECLARE_EVENT_TABLE()

+    DECLARE_NO_COPY_CLASS(wxCalendarCtrl)

 };
 
 #endif // _WX_GENERIC_CALCTRL_H
 };
 
 #endif // _WX_GENERIC_CALCTRL_H