7f10ed6e65
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@37424 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
384 lines
10 KiB
C++
384 lines
10 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: spinbutt.cpp
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// Purpose: wxSpinCtrl
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// Author: Robert
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// Modified by: Mark Newsam (Based on GTK file)
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// RCS-ID: $Id$
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// Copyright: (c) Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#include "wx/wxprec.h"
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#if wxUSE_SPINCTRL
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#include "wx/spinbutt.h"
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#include "wx/spinctrl.h"
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#include "wx/textctrl.h"
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#include "wx/containr.h"
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// the focus rect around a text may have 4 pixels in each direction
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// we handle these problems right now in an extended vis region of a window
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static const wxCoord TEXTBORDER = 4 ;
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// the margin between the text control and the spin
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static const wxCoord MARGIN = 8 - TEXTBORDER;
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// ----------------------------------------------------------------------------
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// wxSpinCtrlText: text control used by spin control
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// ----------------------------------------------------------------------------
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class wxSpinCtrlText : public wxTextCtrl
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{
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public:
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wxSpinCtrlText(wxSpinCtrl *spin, const wxString& value)
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: wxTextCtrl(spin , -1, value, wxDefaultPosition, wxSize(40, -1))
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{
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m_spin = spin;
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// remove the default minsize, the spinctrl will have one instead
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SetSizeHints(-1,-1);
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}
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bool ProcessEvent(wxEvent &event)
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{
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// Hand button down events to wxSpinCtrl. Doesn't work.
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if (event.GetEventType() == wxEVT_LEFT_DOWN && m_spin->ProcessEvent( event ))
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return TRUE;
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return wxTextCtrl::ProcessEvent( event );
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}
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protected:
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void OnTextChange(wxCommandEvent& event)
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{
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int val;
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if ( m_spin->GetTextValue(&val) )
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{
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m_spin->GetSpinButton()->SetValue(val);
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// If we're already processing a text update from m_spin,
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// don't send it again, since we could end up recursing
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// infinitely.
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if (event.GetId() == m_spin->GetId())
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{
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event.Skip();
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return;
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}
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// Send event that the text was manually changed
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wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_spin->GetId());
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event.SetEventObject(m_spin);
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event.SetString(m_spin->GetText()->GetValue());
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event.SetInt(val);
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m_spin->GetEventHandler()->ProcessEvent(event);
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}
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event.Skip();
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}
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private:
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wxSpinCtrl *m_spin;
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DECLARE_EVENT_TABLE()
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};
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BEGIN_EVENT_TABLE(wxSpinCtrlText, wxTextCtrl)
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EVT_TEXT(-1, wxSpinCtrlText::OnTextChange)
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END_EVENT_TABLE()
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// ----------------------------------------------------------------------------
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// wxSpinCtrlButton: spin button used by spin control
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// ----------------------------------------------------------------------------
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class wxSpinCtrlButton : public wxSpinButton
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{
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public:
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wxSpinCtrlButton(wxSpinCtrl *spin, int style)
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: wxSpinButton(spin )
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{
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m_spin = spin;
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SetWindowStyle(style | wxSP_VERTICAL);
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// TODO: The spin button gets truncated a little bit due to size
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// differences so change it's default size a bit. SMALL still gets a
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// bit truncated, but MINI seems to be too small... Readdress this
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// when the textctrl issues are all sorted out.
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//SetWindowVariant(wxWINDOW_VARIANT_SMALL);
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// remove the default minsize, the spinctrl will have one instead
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SetSizeHints(-1,-1);
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}
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protected:
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void OnSpinButton(wxSpinEvent& eventSpin)
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{
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m_spin->SetTextValue(eventSpin.GetPosition());
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wxCommandEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, m_spin->GetId());
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event.SetEventObject(m_spin);
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event.SetInt(eventSpin.GetPosition());
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m_spin->GetEventHandler()->ProcessEvent(event);
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}
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private:
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wxSpinCtrl *m_spin;
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DECLARE_EVENT_TABLE()
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};
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BEGIN_EVENT_TABLE(wxSpinCtrlButton, wxSpinButton)
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EVT_SPIN(-1, wxSpinCtrlButton::OnSpinButton)
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END_EVENT_TABLE()
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IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl)
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BEGIN_EVENT_TABLE(wxSpinCtrl, wxControl)
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WX_EVENT_TABLE_CONTROL_CONTAINER(wxSpinCtrl)
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END_EVENT_TABLE()
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WX_DELEGATE_TO_CONTROL_CONTAINER(wxSpinCtrl)
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// wxSpinCtrl creation
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// ----------------------------------------------------------------------------
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void wxSpinCtrl::Init()
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{
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m_text = NULL;
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m_btn = NULL;
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m_container.SetContainerWindow(this);
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}
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bool wxSpinCtrl::Create(wxWindow *parent,
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wxWindowID id,
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const wxString& value,
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const wxPoint& pos,
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const wxSize& size,
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long style,
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int min,
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int max,
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int initial,
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const wxString& name)
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{
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m_macIsUserPane = true;
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if ( !wxControl::Create(parent, id, pos, size, style,
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wxDefaultValidator, name) )
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{
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return FALSE;
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}
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// the string value overrides the numeric one (for backwards compatibility
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// reasons and also because it is simpler to satisfy the string value which
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// comes much sooner in the list of arguments and leave the initial
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// parameter unspecified)
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if ( !value.empty() )
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{
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long l;
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if ( value.ToLong(&l) )
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initial = l;
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}
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wxSize csize = size ;
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m_text = new wxSpinCtrlText(this, value);
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m_btn = new wxSpinCtrlButton(this, style);
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m_btn->SetRange(min, max);
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m_btn->SetValue(initial);
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if ( size.x == -1 ){
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csize.x = m_text->GetSize().x + MARGIN + m_btn->GetSize().x ;
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}
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if ( size.y == -1 ) {
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csize.y = m_text->GetSize().y + 2 * TEXTBORDER ; //allow for text border highlights
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if ( m_btn->GetSize().y > csize.y )
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csize.y = m_btn->GetSize().y ;
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}
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//SetSize(csize);
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//MacPostControlCreate(pos, csize);
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SetInitialBestSize(csize);
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return TRUE;
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}
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wxSpinCtrl::~wxSpinCtrl()
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{
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// delete the controls now, don't leave them alive even though they would
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// still be eventually deleted by our parent - but it will be too late, the
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// user code expects them to be gone now
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delete m_text;
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m_text = NULL ;
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delete m_btn;
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m_btn = NULL ;
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}
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// ----------------------------------------------------------------------------
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// geometry
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// ----------------------------------------------------------------------------
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wxSize wxSpinCtrl::DoGetBestSize() const
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{
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if (!m_btn || !m_text)
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return GetSize();
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wxSize sizeBtn = m_btn->GetBestSize(),
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sizeText = m_text->GetBestSize();
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sizeText.y += 2 * TEXTBORDER ;
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sizeText.x += 2 * TEXTBORDER ;
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int height;
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if (sizeText.y > sizeBtn.y)
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height = sizeText.y;
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else
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height = sizeBtn.y;
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return wxSize(sizeBtn.x + sizeText.x + MARGIN, height );
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}
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void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height)
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{
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// position the subcontrols inside the client area
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wxSize sizeBtn = m_btn->GetSize();
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wxSize sizeText = m_text->GetSize();
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wxControl::DoMoveWindow(x, y, width, height);
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wxCoord wText = width - sizeBtn.x - MARGIN - 2 * TEXTBORDER;
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m_text->SetSize(TEXTBORDER, (height - sizeText.y) / 2, wText, -1);
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m_btn->SetSize(0 + wText + MARGIN + 2 * TEXTBORDER , (height - sizeBtn.y) / 2 , -1, -1 );
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}
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// ----------------------------------------------------------------------------
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// operations forwarded to the subcontrols
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// ----------------------------------------------------------------------------
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bool wxSpinCtrl::Enable(bool enable)
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{
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if ( !wxControl::Enable(enable) )
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return FALSE;
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return TRUE;
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}
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bool wxSpinCtrl::Show(bool show)
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{
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if ( !wxControl::Show(show) )
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return FALSE;
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return TRUE;
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}
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// ----------------------------------------------------------------------------
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// value and range access
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// ----------------------------------------------------------------------------
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bool wxSpinCtrl::GetTextValue(int *val) const
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{
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long l;
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if ( !m_text->GetValue().ToLong(&l) )
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{
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// not a number at all
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return FALSE;
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}
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if ( l < GetMin() || l > GetMax() )
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{
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// out of range
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return FALSE;
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}
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*val = l;
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return TRUE;
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}
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int wxSpinCtrl::GetValue() const
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{
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return m_btn ? m_btn->GetValue() : 0;
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}
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int wxSpinCtrl::GetMin() const
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{
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return m_btn ? m_btn->GetMin() : 0;
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}
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int wxSpinCtrl::GetMax() const
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{
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return m_btn ? m_btn->GetMax() : 0;
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}
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// ----------------------------------------------------------------------------
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// changing value and range
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// ----------------------------------------------------------------------------
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void wxSpinCtrl::SetTextValue(int val)
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{
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wxCHECK_RET( m_text, _T("invalid call to wxSpinCtrl::SetTextValue") );
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m_text->SetValue(wxString::Format(_T("%d"), val));
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// select all text
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m_text->SetSelection(0, -1);
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// and give focus to the control!
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// m_text->SetFocus(); Why???? TODO.
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}
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void wxSpinCtrl::SetValue(int val)
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{
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wxCHECK_RET( m_btn, _T("invalid call to wxSpinCtrl::SetValue") );
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SetTextValue(val);
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m_btn->SetValue(val);
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}
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void wxSpinCtrl::SetValue(const wxString& text)
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{
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wxCHECK_RET( m_text, _T("invalid call to wxSpinCtrl::SetValue") );
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long val;
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if ( text.ToLong(&val) && ((val > INT_MIN) && (val < INT_MAX)) )
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{
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SetValue((int)val);
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}
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else // not a number at all or out of range
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{
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m_text->SetValue(text);
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m_text->SetSelection(0, -1);
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}
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}
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void wxSpinCtrl::SetRange(int min, int max)
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{
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wxCHECK_RET( m_btn, _T("invalid call to wxSpinCtrl::SetRange") );
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m_btn->SetRange(min, max);
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}
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void wxSpinCtrl::SetSelection(long from, long to)
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{
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// if from and to are both -1, it means (in wxWidgets) that all text should
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// be selected
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if ( (from == -1) && (to == -1) )
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{
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from = 0;
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}
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m_text->SetSelection(from, to);
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}
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#endif // wxUSE_SPINCTRL
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