+++ /dev/null
-///////////////////////////////////////////////////////////////////////////////
-// Name: src/generic/timectrl.cpp
-// Purpose: Generic implementation of wxTimePickerCtrl.
-// Author: Paul Breen, Vadim Zeitlin
-// Created: 2011-09-22
-// RCS-ID: $Id: wxhead.cpp,v 1.11 2010-04-22 12:44:51 zeitlin Exp $
-// Copyright: (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
-// Licence: wxWindows licence
-///////////////////////////////////////////////////////////////////////////////
-
-// ============================================================================
-// declarations
-// ============================================================================
-
-// ----------------------------------------------------------------------------
-// headers
-// ----------------------------------------------------------------------------
-
-// for compilers that support precompilation, includes "wx.h".
-#include "wx/wxprec.h"
-
-#ifdef __BORLANDC__
- #pragma hdrstop
-#endif
-
-#if wxUSE_TIMEPICKCTRL
-
-#ifndef WX_PRECOMP
- #include "wx/textctrl.h"
-#endif // WX_PRECOMP
-
-#include "wx/timectrl.h"
-
-// This class is only compiled if there is no native version or if we
-// explicitly want to use both the native and generic one (this is useful for
-// testing but not much otherwise and so by default we don't use the generic
-// implementation if a native one is available).
-#if !defined(wxHAS_NATIVE_TIMEPICKERCTRL) || wxUSE_TIMEPICKCTRL_GENERIC
-
-#include "wx/generic/timectrl.h"
-
-#include "wx/dateevt.h"
-#include "wx/spinbutt.h"
-
-#ifndef wxHAS_NATIVE_TIMEPICKERCTRL
- IMPLEMENT_DYNAMIC_CLASS(wxTimePickerCtrl, wxControl)
-#endif
-
-// ----------------------------------------------------------------------------
-// Constants
-// ----------------------------------------------------------------------------
-
-enum
-{
- // Horizontal margin between the text and spin control.
- HMARGIN_TEXT_SPIN = 2
-};
-
-// ----------------------------------------------------------------------------
-// wxTimePickerGenericImpl: used to implement wxTimePickerCtrlGeneric
-// ----------------------------------------------------------------------------
-
-class wxTimePickerGenericImpl : public wxEvtHandler
-{
-public:
- wxTimePickerGenericImpl(wxTimePickerCtrlGeneric* ctrl)
- {
- m_text = new wxTextCtrl(ctrl, wxID_ANY, wxString());
-
- // As this text can't be edited, don't use the standard cursor for it
- // to avoid misleading the user. Ideally we'd also hide the caret but
- // this is not currently supported by wxTextCtrl.
- m_text->SetCursor(wxCURSOR_ARROW);
-
- m_btn = new wxSpinButton(ctrl, wxID_ANY,
- wxDefaultPosition, wxDefaultSize,
- wxSP_VERTICAL | wxSP_WRAP);
-
- m_currentField = Field_Hour;
- m_isFirstDigit = true;
-
- // We don't support arbitrary formats currently as this requires
- // significantly more work both here and also in wxLocale::GetInfo().
- //
- // For now just use either "%H:%M:%S" or "%I:%M:%S %p". It would be
- // nice to add support to "%k" and "%l" (hours with leading blanks
- // instead of zeros) too as this is the most common unsupported case in
- // practice.
- m_useAMPM = wxLocale::GetInfo(wxLOCALE_TIME_FMT).Contains("%p");
-
- m_text->Connect
- (
- wxEVT_SET_FOCUS,
- wxFocusEventHandler(wxTimePickerGenericImpl::OnTextSetFocus),
- NULL,
- this
- );
- m_text->Connect
- (
- wxEVT_KEY_DOWN,
- wxKeyEventHandler(wxTimePickerGenericImpl::OnTextKeyDown),
- NULL,
- this
- );
- m_text->Connect
- (
- wxEVT_LEFT_DOWN,
- wxMouseEventHandler(wxTimePickerGenericImpl::OnTextClick),
- NULL,
- this
- );
-
- m_btn->Connect
- (
- wxEVT_SPIN_UP,
- wxSpinEventHandler(wxTimePickerGenericImpl::OnArrowUp),
- NULL,
- this
- );
- m_btn->Connect
- (
- wxEVT_SPIN_DOWN,
- wxSpinEventHandler(wxTimePickerGenericImpl::OnArrowDown),
- NULL,
- this
- );
- }
-
- // Set the new value.
- void SetValue(const wxDateTime& time)
- {
- m_time = time.IsValid() ? time : wxDateTime::Now();
-
- UpdateTextWithoutEvent();
- }
-
-
- // The text part of the control.
- wxTextCtrl* m_text;
-
- // The spin button used to change the text fields.
- wxSpinButton* m_btn;
-
- // The current time (date part is ignored).
- wxDateTime m_time;
-
-private:
- // The logical fields of the text control (AM/PM one may not be present).
- enum Field
- {
- Field_Hour,
- Field_Min,
- Field_Sec,
- Field_AMPM,
- Field_Max
- };
-
- // Direction of change of time fields.
- enum Direction
- {
- // Notice that the enum elements values matter.
- Dir_Down = -1,
- Dir_Up = +1
- };
-
- // A range of character positions ("from" is inclusive, "to" -- exclusive).
- struct CharRange
- {
- int from,
- to;
- };
-
- // Event handlers for various events in our controls.
- void OnTextSetFocus(wxFocusEvent& event)
- {
- HighlightCurrentField();
-
- event.Skip();
- }
-
- // Keyboard interface here is modelled over MSW native control and may need
- // adjustments for other platforms.
- void OnTextKeyDown(wxKeyEvent& event)
- {
- const int key = event.GetKeyCode();
-
- switch ( key )
- {
- case WXK_DOWN:
- ChangeCurrentFieldBy1(Dir_Down);
- break;
-
- case WXK_UP:
- ChangeCurrentFieldBy1(Dir_Up);
- break;
-
- case WXK_LEFT:
- CycleCurrentField(Dir_Down);
- break;
-
- case WXK_RIGHT:
- CycleCurrentField(Dir_Up);
- break;
-
- case WXK_HOME:
- ResetCurrentField(Dir_Down);
- break;
-
- case WXK_END:
- ResetCurrentField(Dir_Up);
- break;
-
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- case '8':
- case '9':
- // The digits work in all keys except AM/PM.
- if ( m_currentField != Field_AMPM )
- {
- AppendDigitToCurrentField(key - '0');
- }
- break;
-
- case 'A':
- case 'P':
- // These keys only work to toggle AM/PM field.
- if ( m_currentField == Field_AMPM )
- {
- unsigned hour = m_time.GetHour();
- if ( key == 'A' )
- {
- if ( hour >= 12 )
- hour -= 12;
- }
- else // PM
- {
- if ( hour < 12 )
- hour += 12;
- }
-
- if ( hour != m_time.GetHour() )
- {
- m_time.SetHour(hour);
- UpdateText();
- }
- }
- break;
-
- // Do not skip the other events, just consume them to prevent the
- // user from editing the text directly.
- }
- }
-
- void OnTextClick(wxMouseEvent& event)
- {
- Field field wxDUMMY_INITIALIZE(Field_Max);
- long pos;
- switch ( m_text->HitTest(event.GetPosition(), &pos) )
- {
- case wxTE_HT_UNKNOWN:
- // Don't do anything, it's better than doing something wrong.
- return;
-
- case wxTE_HT_BEFORE:
- // Select the first field.
- field = Field_Hour;
- break;
-
- case wxTE_HT_ON_TEXT:
- // Find the field containing this position.
- for ( field = Field_Hour; field <= GetLastField(); )
- {
- const CharRange range = GetFieldRange(field);
-
- // Normally the "to" end is exclusive but we want to give
- // focus to some field when the user clicks between them so
- // count it as part of the preceding field here.
- if ( range.from <= pos && pos <= range.to )
- break;
-
- field = static_cast<Field>(field + 1);
- }
- break;
-
- case wxTE_HT_BELOW:
- // This shouldn't happen for single line control.
- wxFAIL_MSG( "Unreachable" );
- // fall through
-
- case wxTE_HT_BEYOND:
- // Select the last field.
- field = GetLastField();
- break;
- }
-
- ChangeCurrentField(field);
- }
-
- void OnArrowUp(wxSpinEvent& WXUNUSED(event))
- {
- ChangeCurrentFieldBy1(Dir_Up);
- }
-
- void OnArrowDown(wxSpinEvent& WXUNUSED(event))
- {
- ChangeCurrentFieldBy1(Dir_Down);
- }
-
-
- // Get the range of the given field in character positions ("from" is
- // inclusive, "to" exclusive).
- static CharRange GetFieldRange(Field field)
- {
- // Currently we can just hard code the ranges as they are the same for
- // both supported formats, if we want to support arbitrary formats in
- // the future, we'd need to determine them dynamically by examining the
- // format here.
- static const CharRange ranges[] =
- {
- { 0, 2 },
- { 3, 5 },
- { 6, 8 },
- { 9, 11},
- };
-
- wxCOMPILE_TIME_ASSERT( WXSIZEOF(ranges) == Field_Max,
- FieldRangesMismatch );
-
- return ranges[field];
- }
-
- // Get the last field used depending on m_useAMPM.
- Field GetLastField() const
- {
- return m_useAMPM ? Field_AMPM : Field_Sec;
- }
-
- // Change the current field. For convenience, accept int field here as this
- // allows us to use arithmetic operations in the caller.
- void ChangeCurrentField(int field)
- {
- if ( field == m_currentField )
- return;
-
- wxCHECK_RET( field <= GetLastField(), "Invalid field" );
-
- m_currentField = static_cast<Field>(field);
- m_isFirstDigit = true;
-
- HighlightCurrentField();
- }
-
- // Go to the next (Dir_Up) or previous (Dir_Down) field, wrapping if
- // necessary.
- void CycleCurrentField(Direction dir)
- {
- const unsigned numFields = GetLastField() + 1;
-
- ChangeCurrentField((m_currentField + numFields + dir) % numFields);
- }
-
- // Select the currently actively field.
- void HighlightCurrentField()
- {
- m_text->SetFocus();
-
- const CharRange range = GetFieldRange(m_currentField);
-
- m_text->SetSelection(range.from, range.to);
- }
-
- // Decrement or increment the value of the current field (wrapping if
- // necessary).
- void ChangeCurrentFieldBy1(Direction dir)
- {
- switch ( m_currentField )
- {
- case Field_Hour:
- m_time.SetHour((m_time.GetHour() + 24 + dir) % 24);
- break;
-
- case Field_Min:
- m_time.SetMinute((m_time.GetMinute() + 60 + dir) % 60);
- break;
-
- case Field_Sec:
- m_time.SetSecond((m_time.GetSecond() + 60 + dir) % 60);
- break;
-
- case Field_AMPM:
- m_time.SetHour((m_time.GetHour() + 12) % 24);
- break;
-
- case Field_Max:
- wxFAIL_MSG( "Invalid field" );
- }
-
- UpdateText();
- }
-
- // Set the current field to its minimal or maximal value.
- void ResetCurrentField(Direction dir)
- {
- switch ( m_currentField )
- {
- case Field_Hour:
- case Field_AMPM:
- // In 12-hour mode setting the hour to the minimal value
- // also changes the suffix to AM and, correspondingly,
- // setting it to the maximal one changes the suffix to PM.
- // And, for consistency with the native MSW behaviour, we
- // also do the same thing when changing AM/PM field itself,
- // so change hours in any case.
- m_time.SetHour(dir == Dir_Down ? 0 : 23);
- break;
-
- case Field_Min:
- m_time.SetMinute(dir == Dir_Down ? 0 : 59);
- break;
-
- case Field_Sec:
- m_time.SetSecond(dir == Dir_Down ? 0 : 59);
- break;
-
- case Field_Max:
- wxFAIL_MSG( "Invalid field" );
- }
-
- UpdateText();
- }
-
- // Append the given digit (from 0 to 9) to the current value of the current
- // field.
- void AppendDigitToCurrentField(int n)
- {
- bool moveToNextField = false;
-
- if ( !m_isFirstDigit )
- {
- // The first digit simply replaces the existing field contents,
- // but the second one should be combined with the previous one,
- // otherwise entering 2-digit numbers would be impossible.
- int currentValue wxDUMMY_INITIALIZE(0),
- maxValue wxDUMMY_INITIALIZE(0);
-
- switch ( m_currentField )
- {
- case Field_Hour:
- currentValue = m_time.GetHour();
- maxValue = 23;
- break;
-
- case Field_Min:
- currentValue = m_time.GetMinute();
- maxValue = 59;
- break;
-
- case Field_Sec:
- currentValue = m_time.GetSecond();
- maxValue = 59;
- break;
-
- case Field_AMPM:
- case Field_Max:
- wxFAIL_MSG( "Invalid field" );
- }
-
- // Check if the new value is acceptable. If not, we just handle
- // this digit as if it were the first one.
- int newValue = currentValue*10 + n;
- if ( newValue < maxValue )
- {
- n = newValue;
-
- // If we're not on the seconds field, advance to the next one.
- // This makes it more convenient to enter times as you can just
- // press all digits one after one without touching the cursor
- // arrow keys at all.
- //
- // Notice that MSW native control doesn't do this but it seems
- // so useful that we intentionally diverge from it here.
- moveToNextField = true;
-
- // We entered both digits so the next one will be "first" again.
- m_isFirstDigit = true;
- }
- }
- else // First digit entered.
- {
- // The next one won't be first any more.
- m_isFirstDigit = false;
- }
-
- switch ( m_currentField )
- {
- case Field_Hour:
- m_time.SetHour(n);
- break;
-
- case Field_Min:
- m_time.SetMinute(n);
- break;
-
- case Field_Sec:
- m_time.SetSecond(n);
- break;
-
- case Field_AMPM:
- case Field_Max:
- wxFAIL_MSG( "Invalid field" );
- }
-
- if ( moveToNextField && m_currentField < Field_Sec )
- CycleCurrentField(Dir_Up);
-
- UpdateText();
- }
-
- // Update the text value to correspond to the current time. By default also
- // generate an event but this can be avoided by calling the "WithoutEvent"
- // variant.
- void UpdateText()
- {
- UpdateTextWithoutEvent();
-
- wxWindow* const ctrl = m_text->GetParent();
-
- wxDateEvent event(ctrl, m_time, wxEVT_TIME_CHANGED);
- ctrl->HandleWindowEvent(event);
- }
-
- void UpdateTextWithoutEvent()
- {
- m_text->SetValue(m_time.Format(m_useAMPM ? "%I:%M:%S %p" : "%H:%M:%S"));
-
- HighlightCurrentField();
- }
-
-
- // The current field of the text control: this is the one affected by
- // pressing arrow keys or spin button.
- Field m_currentField;
-
- // Flag indicating whether we use AM/PM indicator or not.
- bool m_useAMPM;
-
- // Flag indicating whether the next digit pressed by user will be the first
- // digit of the current field or the second one. This is necessary because
- // the first digit replaces the current field contents while the second one
- // is appended to it (if possible, e.g. pressing '7' in a field already
- // containing '8' will still replace it as "78" would be invalid).
- bool m_isFirstDigit;
-
- wxDECLARE_NO_COPY_CLASS(wxTimePickerGenericImpl);
-};
-
-// ============================================================================
-// wxTimePickerCtrlGeneric implementation
-// ============================================================================
-
-// ----------------------------------------------------------------------------
-// wxTimePickerCtrlGeneric creation
-// ----------------------------------------------------------------------------
-
-void wxTimePickerCtrlGeneric::Init()
-{
- m_impl = NULL;
-}
-
-bool
-wxTimePickerCtrlGeneric::Create(wxWindow *parent,
- wxWindowID id,
- const wxDateTime& date,
- const wxPoint& pos,
- const wxSize& size,
- long style,
- const wxValidator& validator,
- const wxString& name)
-{
- // The text control we use already has a border, so we don't need one
- // ourselves.
- style &= ~wxBORDER_MASK;
- style |= wxBORDER_NONE;
-
- if ( !Base::Create(parent, id, pos, size, style, validator, name) )
- return false;
-
- m_impl = new wxTimePickerGenericImpl(this);
- m_impl->SetValue(date);
-
- InvalidateBestSize();
- SetInitialSize(size);
-
- return true;
-}
-
-wxTimePickerCtrlGeneric::~wxTimePickerCtrlGeneric()
-{
- delete m_impl;
-}
-
-wxWindowList wxTimePickerCtrlGeneric::GetCompositeWindowParts() const
-{
- wxWindowList parts;
- if ( m_impl )
- {
- parts.push_back(m_impl->m_text);
- parts.push_back(m_impl->m_btn);
- }
- return parts;
-}
-
-// ----------------------------------------------------------------------------
-// wxTimePickerCtrlGeneric value
-// ----------------------------------------------------------------------------
-
-void wxTimePickerCtrlGeneric::SetValue(const wxDateTime& date)
-{
- wxCHECK_RET( m_impl, "Must create first" );
-
- m_impl->SetValue(date);
-}
-
-wxDateTime wxTimePickerCtrlGeneric::GetValue() const
-{
- wxCHECK_MSG( m_impl, wxDateTime(), "Must create first" );
-
- return m_impl->m_time;
-}
-
-// ----------------------------------------------------------------------------
-// wxTimePickerCtrlGeneric geometry
-// ----------------------------------------------------------------------------
-
-void wxTimePickerCtrlGeneric::DoMoveWindow(int x, int y, int width, int height)
-{
- Base::DoMoveWindow(x, y, width, height);
-
- if ( !m_impl )
- return;
-
- const int widthBtn = m_impl->m_btn->GetSize().x;
- const int widthText = width - widthBtn - HMARGIN_TEXT_SPIN;
-
- m_impl->m_text->SetSize(0, 0, widthText, height);
- m_impl->m_btn->SetSize(widthText + HMARGIN_TEXT_SPIN, 0, widthBtn, height);
-}
-
-wxSize wxTimePickerCtrlGeneric::DoGetBestSize() const
-{
- if ( !m_impl )
- return Base::DoGetBestSize();
-
- wxSize size = m_impl->m_text->GetBestSize();
- size.x += m_impl->m_btn->GetBestSize().x + HMARGIN_TEXT_SPIN;
-
- return size;
-}
-
-#endif // !wxHAS_NATIVE_TIMEPICKERCTRL || wxUSE_TIMEPICKCTRL_GENERIC
-
-#endif // wxUSE_TIMEPICKCTRL
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