// Name: src/gtk/calctrl.cpp
// Purpose: implementation of the wxGtkCalendarCtrl
// Author: Marcin Wojdyr
-// RCS-ID: $Id$
// Copyright: (c) 2008 Marcin Wojdyr
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#pragma hdrstop
#endif
+#if wxUSE_CALENDARCTRL
+
#ifndef WX_PRECOMP
#endif //WX_PRECOMP
-#if wxUSE_CALENDARCTRL
-
-#include "wx/gtk/private.h"
#include "wx/calctrl.h"
-#include "wx/gtk/calctrl.h"
+#include <gtk/gtk.h>
extern "C" {
static void gtk_day_selected_callback(GtkWidget *WXUNUSED(widget),
wxGtkCalendarCtrl *cal)
{
- wxDateTime date = cal->GetDate();
- if (cal->m_selectedDate == date)
- return;
-
- cal->m_selectedDate = date;
-
- cal->GenerateEvent(wxEVT_CALENDAR_SEL_CHANGED);
- // send deprecated event
- cal->GenerateEvent(wxEVT_CALENDAR_DAY_CHANGED);
+ cal->GTKGenerateEvent(wxEVT_CALENDAR_SEL_CHANGED);
}
static void gtk_day_selected_double_click_callback(GtkWidget *WXUNUSED(widget),
wxGtkCalendarCtrl *cal)
{
- cal->GenerateEvent(wxEVT_CALENDAR_DOUBLECLICKED);
+ cal->GTKGenerateEvent(wxEVT_CALENDAR_DOUBLECLICKED);
}
static void gtk_month_changed_callback(GtkWidget *WXUNUSED(widget),
wxGtkCalendarCtrl *cal)
{
- cal->GenerateEvent(wxEVT_CALENDAR_PAGE_CHANGED);
+ cal->GTKGenerateEvent(wxEVT_CALENDAR_PAGE_CHANGED);
}
// callbacks that send deprecated events
static void gtk_prev_month_callback(GtkWidget *WXUNUSED(widget),
wxGtkCalendarCtrl *cal)
{
- cal->GenerateEvent(wxEVT_CALENDAR_MONTH_CHANGED);
+ cal->GTKGenerateEvent(wxEVT_CALENDAR_MONTH_CHANGED);
}
static void gtk_prev_year_callback(GtkWidget *WXUNUSED(widget),
wxGtkCalendarCtrl *cal)
{
- cal->GenerateEvent(wxEVT_CALENDAR_YEAR_CHANGED);
+ cal->GTKGenerateEvent(wxEVT_CALENDAR_YEAR_CHANGED);
}
}
}
m_widget = gtk_calendar_new();
+ g_object_ref(m_widget);
SetDate(date.IsValid() ? date : wxDateTime::Today());
if (style & wxCAL_NO_MONTH_CHANGE)
return true;
}
+void wxGtkCalendarCtrl::GTKGenerateEvent(wxEventType type)
+{
+ // First check if the new date is in the specified range.
+ wxDateTime dt = GetDate();
+ if ( !IsInValidRange(dt) )
+ {
+ if ( m_validStart.IsValid() && dt < m_validStart )
+ dt = m_validStart;
+ else
+ dt = m_validEnd;
+
+ SetDate(dt);
+
+ return;
+ }
+
+ if ( type == wxEVT_CALENDAR_SEL_CHANGED )
+ {
+ // Don't generate this event if the new date is the same as the old
+ // one.
+ if ( m_selectedDate == dt )
+ return;
+
+ m_selectedDate = dt;
+
+ GenerateEvent(type);
+
+ // Also send the deprecated event together with the new one.
+ GenerateEvent(wxEVT_CALENDAR_DAY_CHANGED);
+ }
+ else
+ {
+ GenerateEvent(type);
+ }
+}
+
+bool wxGtkCalendarCtrl::IsInValidRange(const wxDateTime& dt) const
+{
+ return (!m_validStart.IsValid() || m_validStart <= dt) &&
+ (!m_validEnd.IsValid() || dt <= m_validEnd);
+}
+
+bool
+wxGtkCalendarCtrl::SetDateRange(const wxDateTime& lowerdate,
+ const wxDateTime& upperdate)
+{
+ if ( lowerdate.IsValid() && upperdate.IsValid() && lowerdate >= upperdate )
+ return false;
+
+ m_validStart = lowerdate;
+ m_validEnd = upperdate;
+
+ return true;
+}
+
+bool
+wxGtkCalendarCtrl::GetDateRange(wxDateTime *lowerdate,
+ wxDateTime *upperdate) const
+{
+ if ( lowerdate )
+ *lowerdate = m_validStart;
+ if ( upperdate )
+ *upperdate = m_validEnd;
+
+ return m_validStart.IsValid() || m_validEnd.IsValid();
+}
+
+
bool wxGtkCalendarCtrl::EnableMonthChange(bool enable)
{
if ( !wxCalendarCtrlBase::EnableMonthChange(enable) )
bool wxGtkCalendarCtrl::SetDate(const wxDateTime& date)
{
+ if ( date.IsValid() && !IsInValidRange(date) )
+ return false;
+
g_signal_handlers_block_by_func(m_widget,
(gpointer) gtk_day_selected_callback, this);
-
+ g_signal_handlers_block_by_func(m_widget,
+ (gpointer) gtk_month_changed_callback, this);
+
m_selectedDate = date;
int year = date.GetYear();
int month = date.GetMonth();
int day = date.GetDay();
gtk_calendar_select_month(GTK_CALENDAR(m_widget), month, year);
gtk_calendar_select_day(GTK_CALENDAR(m_widget), day);
-
+
+ g_signal_handlers_unblock_by_func( m_widget,
+ (gpointer) gtk_month_changed_callback, this);
g_signal_handlers_unblock_by_func( m_widget,
(gpointer) gtk_day_selected_callback, this);
-
+
return true;
}
wxDateTime wxGtkCalendarCtrl::GetDate() const
{
- guint year, month, day;
- gtk_calendar_get_date(GTK_CALENDAR(m_widget), &year, &month, &day);
- return wxDateTime(day, (wxDateTime::Month) month, year);
+ guint year, monthGTK, day;
+ gtk_calendar_get_date(GTK_CALENDAR(m_widget), &year, &monthGTK, &day);
+
+ // GTK may return an invalid date, this happens at least when switching the
+ // month (or the year in case of February in a leap year) and the new month
+ // has fewer days than the currently selected one making the currently
+ // selected day invalid, e.g. just choosing May 31 and going back a month
+ // results in the date being (non existent) April 31 when we're called from
+ // gtk_prev_month_callback(). We need to manually work around this to avoid
+ // asserts from wxDateTime ctor.
+ const wxDateTime::Month month = static_cast<wxDateTime::Month>(monthGTK);
+ const guint dayMax = wxDateTime::GetNumberOfDays(month, year);
+ if ( day > dayMax )
+ day = dayMax;
+
+ return wxDateTime(day, month, year);
}
void wxGtkCalendarCtrl::Mark(size_t day, bool mark)
gtk_calendar_unmark_day(GTK_CALENDAR(m_widget), day);
}
-IMPLEMENT_DYNAMIC_CLASS(wxGtkCalendarCtrl, wxControl)
-
-
#endif // wxUSE_CALENDARCTRL
projects / wxWidgets.git / blobdiff