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a61c9122413cef45bad87da7e3dc65617bb2adb7
wxWidgets/src/common/combocmn.cpp
Julian Smart a61c912241 Reverted renderer changes and just use window variant within renderer functions 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@44430 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2007-02-09 14:05:11 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: src/common/combocmn.cpp
// Purpose: wxComboCtrlBase
// Author: Jaakko Salli
// Modified by:
// Created: Apr-30-2006
// RCS-ID: $Id$
// Copyright: (c) 2005 Jaakko Salli
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_COMBOCTRL
#include "wx/combobox.h"
#ifndef WX_PRECOMP
#include "wx/app.h"
#include "wx/log.h"
#include "wx/dcclient.h"
#include "wx/settings.h"
#include "wx/dialog.h"
#include "wx/timer.h"
#endif
#include "wx/tooltip.h"
#include "wx/combo.h"
// constants
// ----------------------------------------------------------------------------
#define DEFAULT_DROPBUTTON_WIDTH 19
#define BMP_BUTTON_MARGIN 4
#define DEFAULT_POPUP_HEIGHT 400
#define DEFAULT_TEXT_INDENT 3
#define COMBO_MARGIN 2 // spacing right of wxTextCtrl
#if defined(__WXMSW__)
#define USE_TRANSIENT_POPUP 1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
#define TRANSIENT_POPUPWIN_IS_PERFECT 0 // wxPopupTransientWindow works, its child can have focus, and common
// native controls work on it like normal.
#define POPUPWIN_IS_PERFECT 0 // Same, but for non-transient popup window.
#define TEXTCTRL_TEXT_CENTERED 0 // 1 if text in textctrl is vertically centered
#define FOCUS_RING 0 // No focus ring on wxMSW
//#undef wxUSE_POPUPWIN
//#define wxUSE_POPUPWIN 0
#elif defined(__WXGTK__)
// NB: It is not recommended to use wxDialog as popup on wxGTK, because of
// this bug: If wxDialog is hidden, its position becomes corrupt
// between hide and next show, but without internal coordinates being
// reflected (or something like that - atleast commenting out ->Hide()
// seemed to eliminate the position change).
#define USE_TRANSIENT_POPUP 1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
#define TRANSIENT_POPUPWIN_IS_PERFECT 0 // wxPopupTransientWindow works, its child can have focus, and common
// native controls work on it like normal.
#define POPUPWIN_IS_PERFECT 1 // Same, but for non-transient popup window.
#define TEXTCTRL_TEXT_CENTERED 1 // 1 if text in textctrl is vertically centered
#define FOCUS_RING 0 // No focus ring on wxGTK
#elif defined(__WXMAC__)
#define USE_TRANSIENT_POPUP 0 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
#define TRANSIENT_POPUPWIN_IS_PERFECT 0 // wxPopupTransientWindow works, its child can have focus, and common
// native controls work on it like normal.
#define POPUPWIN_IS_PERFECT 0 // Same, but for non-transient popup window.
#define TEXTCTRL_TEXT_CENTERED 1 // 1 if text in textctrl is vertically centered
#define FOCUS_RING 3 // Reserve room for the textctrl's focus ring to display
#undef DEFAULT_DROPBUTTON_WIDTH
#define DEFAULT_DROPBUTTON_WIDTH 22
#undef COMBO_MARGIN
#define COMBO_MARGIN FOCUS_RING
#else
#define USE_TRANSIENT_POPUP 0 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
#define TRANSIENT_POPUPWIN_IS_PERFECT 0 // wxPopupTransientWindow works, its child can have focus, and common
// native controls work on it like normal.
#define POPUPWIN_IS_PERFECT 0 // Same, but for non-transient popup window.
#define TEXTCTRL_TEXT_CENTERED 1 // 1 if text in textctrl is vertically centered
#define FOCUS_RING 0
#endif
// Popupwin is really only supported on wxMSW (not WINCE) and wxGTK, regardless
// what the wxUSE_POPUPWIN says.
// FIXME: Why isn't wxUSE_POPUPWIN reliable any longer? (it was in wxW2.6.2)
#if (!defined(__WXMSW__) && !defined(__WXGTK__)) || defined(__WXWINCE__)
#undef wxUSE_POPUPWIN
#define wxUSE_POPUPWIN 0
#endif
#if wxUSE_POPUPWIN
#include "wx/popupwin.h"
#else
#undef USE_TRANSIENT_POPUP
#define USE_TRANSIENT_POPUP 0
#endif
// Define different types of popup windows
enum
{
POPUPWIN_NONE = 0,
POPUPWIN_WXPOPUPTRANSIENTWINDOW = 1,
POPUPWIN_WXPOPUPWINDOW = 2,
POPUPWIN_WXDIALOG = 3
};
#if USE_TRANSIENT_POPUP
// wxPopupTransientWindow is implemented
#define wxComboPopupWindowBase wxPopupTransientWindow
#define PRIMARY_POPUP_TYPE POPUPWIN_WXPOPUPTRANSIENTWINDOW
#define USES_WXPOPUPTRANSIENTWINDOW 1
#if TRANSIENT_POPUPWIN_IS_PERFECT
//
#elif POPUPWIN_IS_PERFECT
#define wxComboPopupWindowBase2 wxPopupWindow
#define SECONDARY_POPUP_TYPE POPUPWIN_WXPOPUPWINDOW
#define USES_WXPOPUPWINDOW 1
#else
#define wxComboPopupWindowBase2 wxDialog
#define SECONDARY_POPUP_TYPE POPUPWIN_WXDIALOG
#define USES_WXDIALOG 1
#endif
#elif wxUSE_POPUPWIN
// wxPopupWindow (but not wxPopupTransientWindow) is properly implemented
#define wxComboPopupWindowBase wxPopupWindow
#define PRIMARY_POPUP_TYPE POPUPWIN_WXPOPUPWINDOW
#define USES_WXPOPUPWINDOW 1
#if !POPUPWIN_IS_PERFECT
#define wxComboPopupWindowBase2 wxDialog
#define SECONDARY_POPUP_TYPE POPUPWIN_WXDIALOG
#define USES_WXDIALOG 1
#endif
#else
// wxPopupWindow is not implemented
#define wxComboPopupWindowBase wxDialog
#define PRIMARY_POPUP_TYPE POPUPWIN_WXDIALOG
#define USES_WXDIALOG 1
#endif
#ifndef USES_WXPOPUPTRANSIENTWINDOW
#define USES_WXPOPUPTRANSIENTWINDOW 0
#endif
#ifndef USES_WXPOPUPWINDOW
#define USES_WXPOPUPWINDOW 0
#endif
#ifndef USES_WXDIALOG
#define USES_WXDIALOG 0
#endif
#if USES_WXPOPUPWINDOW
#define INSTALL_TOPLEV_HANDLER 1
#else
#define INSTALL_TOPLEV_HANDLER 0
#endif
//
// ** TODO **
// * wxComboPopupWindow for external use (ie. replace old wxUniv wxPopupComboWindow)
//
// ----------------------------------------------------------------------------
// wxComboFrameEventHandler takes care of hiding the popup when events happen
// in its top level parent.
// ----------------------------------------------------------------------------
#if INSTALL_TOPLEV_HANDLER
//
// This will no longer be necessary after wxTransientPopupWindow
// works well on all platforms.
//
class wxComboFrameEventHandler : public wxEvtHandler
{
public:
wxComboFrameEventHandler( wxComboCtrlBase* pCb );
virtual ~wxComboFrameEventHandler();
void OnPopup();
void OnIdle( wxIdleEvent& event );
void OnMouseEvent( wxMouseEvent& event );
void OnActivate( wxActivateEvent& event );
void OnResize( wxSizeEvent& event );
void OnMove( wxMoveEvent& event );
void OnMenuEvent( wxMenuEvent& event );
void OnClose( wxCloseEvent& event );
protected:
wxWindow* m_focusStart;
wxComboCtrlBase* m_combo;
private:
DECLARE_EVENT_TABLE()
};
BEGIN_EVENT_TABLE(wxComboFrameEventHandler, wxEvtHandler)
EVT_IDLE(wxComboFrameEventHandler::OnIdle)
EVT_LEFT_DOWN(wxComboFrameEventHandler::OnMouseEvent)
EVT_RIGHT_DOWN(wxComboFrameEventHandler::OnMouseEvent)
EVT_SIZE(wxComboFrameEventHandler::OnResize)
EVT_MOVE(wxComboFrameEventHandler::OnMove)
EVT_MENU_HIGHLIGHT(wxID_ANY,wxComboFrameEventHandler::OnMenuEvent)
EVT_MENU_OPEN(wxComboFrameEventHandler::OnMenuEvent)
EVT_ACTIVATE(wxComboFrameEventHandler::OnActivate)
EVT_CLOSE(wxComboFrameEventHandler::OnClose)
END_EVENT_TABLE()
wxComboFrameEventHandler::wxComboFrameEventHandler( wxComboCtrlBase* combo )
: wxEvtHandler()
{
m_combo = combo;
}
wxComboFrameEventHandler::~wxComboFrameEventHandler()
{
}
void wxComboFrameEventHandler::OnPopup()
{
m_focusStart = ::wxWindow::FindFocus();
}
void wxComboFrameEventHandler::OnIdle( wxIdleEvent& event )
{
wxWindow* winFocused = ::wxWindow::FindFocus();
wxWindow* popup = m_combo->GetPopupControl()->GetControl();
wxWindow* winpopup = m_combo->GetPopupWindow();
if (
winFocused != m_focusStart &&
winFocused != popup &&
winFocused->GetParent() != popup &&
winFocused != winpopup &&
winFocused->GetParent() != winpopup &&
winFocused != m_combo &&
winFocused != m_combo->GetButton() // GTK (atleast) requires this
)
{
m_combo->HidePopup();
}
event.Skip();
}
void wxComboFrameEventHandler::OnMenuEvent( wxMenuEvent& event )
{
m_combo->HidePopup();
event.Skip();
}
void wxComboFrameEventHandler::OnMouseEvent( wxMouseEvent& event )
{
m_combo->HidePopup();
event.Skip();
}
void wxComboFrameEventHandler::OnClose( wxCloseEvent& event )
{
m_combo->HidePopup();
event.Skip();
}
void wxComboFrameEventHandler::OnActivate( wxActivateEvent& event )
{
m_combo->HidePopup();
event.Skip();
}
void wxComboFrameEventHandler::OnResize( wxSizeEvent& event )
{
m_combo->HidePopup();
event.Skip();
}
void wxComboFrameEventHandler::OnMove( wxMoveEvent& event )
{
m_combo->HidePopup();
event.Skip();
}
#endif // INSTALL_TOPLEV_HANDLER
// ----------------------------------------------------------------------------
// wxComboPopupWindow is, in essence, wxPopupWindow customized for
// wxComboCtrl.
// ----------------------------------------------------------------------------
class wxComboPopupWindow : public wxComboPopupWindowBase
{
public:
wxComboPopupWindow( wxComboCtrlBase *parent,
int style )
#if USES_WXPOPUPWINDOW || USES_WXPOPUPTRANSIENTWINDOW
: wxComboPopupWindowBase(parent,style)
#else
: wxComboPopupWindowBase(parent,
wxID_ANY,
wxEmptyString,
wxPoint(-21,-21),
wxSize(20,20),
style)
#endif
{
m_inShow = 0;
}
#if USES_WXPOPUPTRANSIENTWINDOW
virtual bool Show( bool show );
virtual bool ProcessLeftDown(wxMouseEvent& event);
protected:
virtual void OnDismiss();
#endif
private:
wxByte m_inShow;
};
#if USES_WXPOPUPTRANSIENTWINDOW
bool wxComboPopupWindow::Show( bool show )
{
// Guard against recursion
if ( m_inShow )
return wxComboPopupWindowBase::Show(show);
m_inShow++;
wxASSERT( IsKindOf(CLASSINFO(wxPopupTransientWindow)) );
wxPopupTransientWindow* ptw = (wxPopupTransientWindow*) this;
wxComboCtrlBase* combo = (wxComboCtrlBase*) GetParent();
if ( show != ptw->IsShown() )
{
if ( show )
ptw->Popup(combo->GetPopupControl()->GetControl());
else
ptw->Dismiss();
}
m_inShow--;
return true;
}
bool wxComboPopupWindow::ProcessLeftDown(wxMouseEvent& event)
{
return wxPopupTransientWindow::ProcessLeftDown(event);
}
// First thing that happens when a transient popup closes is that this method gets called.
void wxComboPopupWindow::OnDismiss()
{
wxComboCtrlBase* combo = (wxComboCtrlBase*) GetParent();
wxASSERT_MSG( combo->IsKindOf(CLASSINFO(wxComboCtrlBase)),
wxT("parent might not be wxComboCtrl, but check IMPLEMENT_DYNAMIC_CLASS(2) macro for correctness") );
combo->OnPopupDismiss();
}
#endif // USES_WXPOPUPTRANSIENTWINDOW
// ----------------------------------------------------------------------------
// wxComboPopupWindowEvtHandler does bulk of the custom event handling
// of a popup window. It is separate so we can have different types
// of popup windows.
// ----------------------------------------------------------------------------
class wxComboPopupWindowEvtHandler : public wxEvtHandler
{
public:
wxComboPopupWindowEvtHandler( wxComboCtrlBase *parent )
{
m_combo = parent;
}
void OnSizeEvent( wxSizeEvent& event );
void OnKeyEvent(wxKeyEvent& event);
#if USES_WXDIALOG
void OnActivate( wxActivateEvent& event );
#endif
private:
wxComboCtrlBase* m_combo;
DECLARE_EVENT_TABLE()
};
BEGIN_EVENT_TABLE(wxComboPopupWindowEvtHandler, wxEvtHandler)
EVT_KEY_DOWN(wxComboPopupWindowEvtHandler::OnKeyEvent)
EVT_KEY_UP(wxComboPopupWindowEvtHandler::OnKeyEvent)
#if USES_WXDIALOG
EVT_ACTIVATE(wxComboPopupWindowEvtHandler::OnActivate)
#endif
EVT_SIZE(wxComboPopupWindowEvtHandler::OnSizeEvent)
END_EVENT_TABLE()
void wxComboPopupWindowEvtHandler::OnSizeEvent( wxSizeEvent& WXUNUSED(event) )
{
// Block the event so that the popup control does not get auto-resized.
}
void wxComboPopupWindowEvtHandler::OnKeyEvent( wxKeyEvent& event )
{
// Relay keyboard event to the main child controls
wxWindowList children = m_combo->GetPopupWindow()->GetChildren();
wxWindowList::iterator node = children.begin();
wxWindow* child = (wxWindow*)*node;
child->AddPendingEvent(event);
}
#if USES_WXDIALOG
void wxComboPopupWindowEvtHandler::OnActivate( wxActivateEvent& event )
{
if ( !event.GetActive() )
{
// Tell combo control that we are dismissed.
m_combo->HidePopup();
event.Skip();
}
}
#endif
// ----------------------------------------------------------------------------
// wxComboPopup
//
// ----------------------------------------------------------------------------
wxComboPopup::~wxComboPopup()
{
}
void wxComboPopup::OnPopup()
{
}
void wxComboPopup::OnDismiss()
{
}
wxSize wxComboPopup::GetAdjustedSize( int minWidth,
int prefHeight,
int WXUNUSED(maxHeight) )
{
return wxSize(minWidth,prefHeight);
}
void wxComboPopup::DefaultPaintComboControl( wxComboCtrlBase* combo,
wxDC& dc, const wxRect& rect )
{
if ( combo->GetWindowStyle() & wxCB_READONLY ) // ie. no textctrl
{
combo->PrepareBackground(dc,rect,0);
dc.DrawText( combo->GetValue(),
rect.x + combo->GetTextIndent(),
(rect.height-dc.GetCharHeight())/2 + rect.y );
}
}
void wxComboPopup::PaintComboControl( wxDC& dc, const wxRect& rect )
{
DefaultPaintComboControl(m_combo,dc,rect);
}
void wxComboPopup::OnComboKeyEvent( wxKeyEvent& event )
{
event.Skip();
}
void wxComboPopup::OnComboDoubleClick()
{
}
void wxComboPopup::SetStringValue( const wxString& WXUNUSED(value) )
{
}
bool wxComboPopup::LazyCreate()
{
return false;
}
void wxComboPopup::Dismiss()
{
m_combo->HidePopup();
}
// ----------------------------------------------------------------------------
// input handling
// ----------------------------------------------------------------------------
//
// This is pushed to the event handler queue of the child textctrl.
//
class wxComboBoxExtraInputHandler : public wxEvtHandler
{
public:
wxComboBoxExtraInputHandler( wxComboCtrlBase* combo )
: wxEvtHandler()
{
m_combo = combo;
}
virtual ~wxComboBoxExtraInputHandler() { }
void OnKey(wxKeyEvent& event);
void OnFocus(wxFocusEvent& event);
protected:
wxComboCtrlBase* m_combo;
private:
DECLARE_EVENT_TABLE()
};
BEGIN_EVENT_TABLE(wxComboBoxExtraInputHandler, wxEvtHandler)
EVT_KEY_DOWN(wxComboBoxExtraInputHandler::OnKey)
EVT_SET_FOCUS(wxComboBoxExtraInputHandler::OnFocus)
END_EVENT_TABLE()
void wxComboBoxExtraInputHandler::OnKey(wxKeyEvent& event)
{
// Let the wxComboCtrl event handler have a go first.
wxComboCtrlBase* combo = m_combo;
wxObject* prevObj = event.GetEventObject();
event.SetId(combo->GetId());
event.SetEventObject(combo);
combo->GetEventHandler()->ProcessEvent(event);
event.SetId(((wxWindow*)prevObj)->GetId());
event.SetEventObject(prevObj);
}
void wxComboBoxExtraInputHandler::OnFocus(wxFocusEvent& event)
{
// FIXME: This code does run when control is clicked,
// yet on Windows it doesn't select all the text.
if ( !(m_combo->GetInternalFlags() & wxCC_NO_TEXT_AUTO_SELECT) )
{
if ( m_combo->GetTextCtrl() )
m_combo->GetTextCtrl()->SelectAll();
else
m_combo->SetSelection(-1,-1);
}
// Send focus indication to parent.
// NB: This is needed for cases where the textctrl gets focus
// instead of its parent. While this may trigger multiple
// wxEVT_SET_FOCUSes (since m_text->SetFocus is called
// from combo's focus event handler), they should be quite
// harmless.
wxFocusEvent evt2(wxEVT_SET_FOCUS,m_combo->GetId());
evt2.SetEventObject(m_combo);
m_combo->GetEventHandler()->ProcessEvent(evt2);
event.Skip();
}
//
// This is pushed to the event handler queue of the control in popup.
//
class wxComboPopupExtraEventHandler : public wxEvtHandler
{
public:
wxComboPopupExtraEventHandler( wxComboCtrlBase* combo )
: wxEvtHandler()
{
m_combo = combo;
m_beenInside = false;
}
virtual ~wxComboPopupExtraEventHandler() { }
void OnMouseEvent( wxMouseEvent& event );
// Called from wxComboCtrlBase::OnPopupDismiss
void OnPopupDismiss()
{
m_beenInside = false;
}
protected:
wxComboCtrlBase* m_combo;
bool m_beenInside;
private:
DECLARE_EVENT_TABLE()
};
BEGIN_EVENT_TABLE(wxComboPopupExtraEventHandler, wxEvtHandler)
EVT_MOUSE_EVENTS(wxComboPopupExtraEventHandler::OnMouseEvent)
END_EVENT_TABLE()
void wxComboPopupExtraEventHandler::OnMouseEvent( wxMouseEvent& event )
{
wxPoint pt = event.GetPosition();
wxSize sz = m_combo->GetPopupControl()->GetControl()->GetClientSize();
int evtType = event.GetEventType();
bool isInside = pt.x >= 0 && pt.y >= 0 && pt.x < sz.x && pt.y < sz.y;
if ( evtType == wxEVT_MOTION ||
evtType == wxEVT_LEFT_DOWN ||
evtType == wxEVT_RIGHT_DOWN )
{
// Block motion and click events outside the popup
if ( !isInside || !m_combo->IsPopupShown() )
{
event.Skip(false);
return;
}
}
else if ( evtType == wxEVT_LEFT_UP )
{
if ( !m_combo->IsPopupShown() )
{
event.Skip(false);
return;
}
if ( !m_beenInside )
{
if ( isInside )
{
m_beenInside = true;
}
else
{
//
// Some mouse events to popup that happen outside it, before cursor
// has been inside the popu, need to be ignored by it but relayed to
// the dropbutton.
//
wxWindow* btn = m_combo->GetButton();
if ( btn )
btn->GetEventHandler()->AddPendingEvent(event);
else
m_combo->GetEventHandler()->AddPendingEvent(event);
return;
}
event.Skip();
}
}
event.Skip();
}
// ----------------------------------------------------------------------------
// wxComboCtrlBase
// ----------------------------------------------------------------------------
BEGIN_EVENT_TABLE(wxComboCtrlBase, wxControl)
EVT_TEXT(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
EVT_SIZE(wxComboCtrlBase::OnSizeEvent)
EVT_SET_FOCUS(wxComboCtrlBase::OnFocusEvent)
EVT_KILL_FOCUS(wxComboCtrlBase::OnFocusEvent)
EVT_IDLE(wxComboCtrlBase::OnIdleEvent)
//EVT_BUTTON(wxID_ANY,wxComboCtrlBase::OnButtonClickEvent)
EVT_KEY_DOWN(wxComboCtrlBase::OnKeyEvent)
EVT_TEXT_ENTER(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
EVT_SYS_COLOUR_CHANGED(wxComboCtrlBase::OnSysColourChanged)
END_EVENT_TABLE()
IMPLEMENT_ABSTRACT_CLASS(wxComboCtrlBase, wxControl)
void wxComboCtrlBase::Init()
{
m_winPopup = (wxWindow *)NULL;
m_popup = (wxWindow *)NULL;
m_popupWinState = Hidden;
m_btn = (wxWindow*) NULL;
m_text = (wxTextCtrl*) NULL;
m_popupInterface = (wxComboPopup*) NULL;
m_popupExtraHandler = (wxEvtHandler*) NULL;
m_textEvtHandler = (wxEvtHandler*) NULL;
#if INSTALL_TOPLEV_HANDLER
m_toplevEvtHandler = (wxEvtHandler*) NULL;
#endif
m_mainCtrlWnd = this;
m_heightPopup = -1;
m_widthMinPopup = -1;
m_anchorSide = 0;
m_widthCustomPaint = 0;
m_widthCustomBorder = 0;
m_btnState = 0;
m_btnWidDefault = 0;
m_blankButtonBg = false;
m_ignoreEvtText = 0;
m_popupWinType = POPUPWIN_NONE;
m_btnWid = m_btnHei = -1;
m_btnSide = wxRIGHT;
m_btnSpacingX = 0;
m_extLeft = 0;
m_extRight = 0;
m_absIndent = -1;
m_iFlags = 0;
m_timeCanAcceptClick = 0;
m_resetFocus = false;
}
bool wxComboCtrlBase::Create(wxWindow *parent,
wxWindowID id,
const wxString& value,
const wxPoint& pos,
const wxSize& size,
long style,
const wxValidator& validator,
const wxString& name)
{
if ( !wxControl::Create(parent,
id,
pos,
size,
style | wxWANTS_CHARS,
validator,
name) )
return false;
m_valueString = value;
// Get colours
OnThemeChange();
m_absIndent = GetNativeTextIndent();
m_iFlags |= wxCC_IFLAG_CREATED;
// If x and y indicate valid size, wxSizeEvent won't be
// emitted automatically, so we need to add artifical one.
if ( size.x > 0 && size.y > 0 )
{
wxSizeEvent evt(size,GetId());
GetEventHandler()->AddPendingEvent(evt);
}
return true;
}
void wxComboCtrlBase::InstallInputHandlers()
{
if ( m_text )
{
m_textEvtHandler = new wxComboBoxExtraInputHandler(this);
m_text->PushEventHandler(m_textEvtHandler);
}
}
void
wxComboCtrlBase::CreateTextCtrl(int style, const wxValidator& validator)
{
if ( !(m_windowStyle & wxCB_READONLY) )
{
if ( m_text )
m_text->Destroy();
// wxTE_PROCESS_TAB is needed because on Windows, wxTAB_TRAVERSAL is
// not used by the wxPropertyGrid and therefore the tab is processed by
// looking at ancestors to see if they have wxTAB_TRAVERSAL. The
// navigation event is then sent to the wrong window.
style |= wxTE_PROCESS_TAB;
if ( HasFlag(wxTE_PROCESS_ENTER) )
style |= wxTE_PROCESS_ENTER;
// Ignore EVT_TEXT generated by the constructor (but only
// if the event redirector already exists)
// NB: This must be " = 1" instead of "++";
if ( m_textEvtHandler )
m_ignoreEvtText = 1;
else
m_ignoreEvtText = 0;
m_text = new wxTextCtrl(this, wxID_ANY, m_valueString,
wxDefaultPosition, wxSize(10,-1),
style, validator);
}
}
void wxComboCtrlBase::OnThemeChange()
{
// Leave the default bg on the Mac so the area used by the focus ring will
// be the correct colour and themed brush. Instead we'll use
// wxSYS_COLOUR_WINDOW in the EVT_PAINT handler as needed.
#ifndef __WXMAC__
SetOwnBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
#endif
}
wxComboCtrlBase::~wxComboCtrlBase()
{
if ( HasCapture() )
ReleaseMouse();
#if INSTALL_TOPLEV_HANDLER
delete ((wxComboFrameEventHandler*)m_toplevEvtHandler);
m_toplevEvtHandler = (wxEvtHandler*) NULL;
#endif
DestroyPopup();
if ( m_text )
m_text->RemoveEventHandler(m_textEvtHandler);
delete m_textEvtHandler;
}
// ----------------------------------------------------------------------------
// geometry stuff
// ----------------------------------------------------------------------------
// Recalculates button and textctrl areas
void wxComboCtrlBase::CalculateAreas( int btnWidth )
{
wxSize sz = GetClientSize();
int customBorder = m_widthCustomBorder;
int btnBorder; // border for button only
// check if button should really be outside the border: we'll do it it if
// its platform default or bitmap+pushbutton background is used, but not if
// there is vertical size adjustment or horizontal spacing.
if ( ( (m_iFlags & wxCC_BUTTON_OUTSIDE_BORDER) ||
(m_bmpNormal.Ok() && m_blankButtonBg) ) &&
m_btnSpacingX == 0 &&
m_btnHei <= 0 )
{
m_iFlags |= wxCC_IFLAG_BUTTON_OUTSIDE;
btnBorder = 0;
}
else
{
m_iFlags &= ~(wxCC_IFLAG_BUTTON_OUTSIDE);
btnBorder = customBorder;
}
// Defaul indentation
if ( m_absIndent < 0 )
m_absIndent = GetNativeTextIndent();
int butWidth = btnWidth;
if ( butWidth <= 0 )
butWidth = m_btnWidDefault;
else
m_btnWidDefault = butWidth;
if ( butWidth <= 0 )
return;
int butHeight = sz.y - btnBorder*2;
// Adjust button width
if ( m_btnWid > 0 )
butWidth = m_btnWid;
else
{
// Adjust button width to match aspect ratio
// (but only if control is smaller than best size).
int bestHeight = GetBestSize().y;
int height = GetSize().y;
if ( height < bestHeight )
{
// Make very small buttons square, as it makes
// them accommodate arrow image better and still
// looks decent.
if ( height > 18 )
butWidth = (height*butWidth)/bestHeight;
else
butWidth = butHeight;
}
}
// Adjust button height
if ( m_btnHei > 0 )
butHeight = m_btnHei;
// Use size of normal bitmap if...
// It is larger
// OR
// button width is set to default and blank button bg is not drawn
if ( m_bmpNormal.Ok() )
{
int bmpReqWidth = m_bmpNormal.GetWidth();
int bmpReqHeight = m_bmpNormal.GetHeight();
// If drawing blank button background, we need to add some margin.
if ( m_blankButtonBg )
{
bmpReqWidth += BMP_BUTTON_MARGIN*2;
bmpReqHeight += BMP_BUTTON_MARGIN*2;
}
if ( butWidth < bmpReqWidth || ( m_btnWid == 0 && !m_blankButtonBg ) )
butWidth = bmpReqWidth;
if ( butHeight < bmpReqHeight || ( m_btnHei == 0 && !m_blankButtonBg ) )
butHeight = bmpReqHeight;
// Need to fix height?
if ( (sz.y-(customBorder*2)) < butHeight && btnWidth == 0 )
{
int newY = butHeight+(customBorder*2);
SetClientSize(wxDefaultCoord,newY);
sz.y = newY;
}
}
int butAreaWid = butWidth + (m_btnSpacingX*2);
m_btnSize.x = butWidth;
m_btnSize.y = butHeight;
m_btnArea.x = ( m_btnSide==wxRIGHT ? sz.x - butAreaWid - btnBorder : btnBorder );
m_btnArea.y = btnBorder + FOCUS_RING;
m_btnArea.width = butAreaWid;
m_btnArea.height = sz.y - ((btnBorder+FOCUS_RING)*2);
m_tcArea.x = ( m_btnSide==wxRIGHT ? 0 : butAreaWid ) + customBorder + FOCUS_RING;
m_tcArea.y = customBorder + FOCUS_RING;
m_tcArea.width = sz.x - butAreaWid - (customBorder*2) - (FOCUS_RING*2);
m_tcArea.height = sz.y - ((customBorder+FOCUS_RING)*2);
/*
if ( m_text )
{
::wxMessageBox(wxString::Format(wxT("ButtonArea (%i,%i,%i,%i)\n"),m_btnArea.x,m_btnArea.y,m_btnArea.width,m_btnArea.height) +
wxString::Format(wxT("TextCtrlArea (%i,%i,%i,%i)"),m_tcArea.x,m_tcArea.y,m_tcArea.width,m_tcArea.height));
}
*/
}
void wxComboCtrlBase::PositionTextCtrl( int textCtrlXAdjust, int textCtrlYAdjust )
{
if ( !m_text )
return;
#if !TEXTCTRL_TEXT_CENTERED
wxSize sz = GetClientSize();
int customBorder = m_widthCustomBorder;
if ( (m_text->GetWindowStyleFlag() & wxBORDER_MASK) == wxNO_BORDER )
{
// Centre textctrl
int tcSizeY = m_text->GetBestSize().y;
int diff = sz.y - tcSizeY;
int y = textCtrlYAdjust + (diff/2);
if ( y < customBorder )
y = customBorder;
m_text->SetSize( m_tcArea.x + m_widthCustomPaint + m_absIndent + textCtrlXAdjust,
y,
m_tcArea.width - COMBO_MARGIN -
(textCtrlXAdjust + m_widthCustomPaint + m_absIndent),
-1 );
// Make sure textctrl doesn't exceed the bottom custom border
wxSize tsz = m_text->GetSize();
diff = (y + tsz.y) - (sz.y - customBorder);
if ( diff >= 0 )
{
tsz.y = tsz.y - diff - 1;
m_text->SetSize(tsz);
}
}
else
#else // TEXTCTRL_TEXT_CENTERED
wxUnusedVar(textCtrlXAdjust);
wxUnusedVar(textCtrlYAdjust);
#endif // !TEXTCTRL_TEXT_CENTERED/TEXTCTRL_TEXT_CENTERED
{
// If it has border, have textctrl will the entire text field.
m_text->SetSize( m_tcArea.x + m_widthCustomPaint,
m_tcArea.y,
m_tcArea.width - m_widthCustomPaint,
m_tcArea.height );
}
}
wxSize wxComboCtrlBase::DoGetBestSize() const
{
wxSize sizeText(150,0);
if ( m_text )
sizeText = m_text->GetBestSize();
// TODO: Better method to calculate close-to-native control height.
int fhei;
if ( m_font.Ok() )
fhei = (m_font.GetPointSize()*2) + 5;
else if ( wxNORMAL_FONT->Ok() )
fhei = (wxNORMAL_FONT->GetPointSize()*2) + 5;
else
fhei = sizeText.y + 4;
// Need to force height to accomodate bitmap?
int btnSizeY = m_btnSize.y;
if ( m_bmpNormal.Ok() && fhei < btnSizeY )
fhei = btnSizeY;
// Control height doesn't depend on border
/*
// Add border
int border = m_windowStyle & wxBORDER_MASK;
if ( border == wxSIMPLE_BORDER )
fhei += 2;
else if ( border == wxNO_BORDER )
fhei += (m_widthCustomBorder*2);
else
// Sunken etc.
fhei += 4;
*/
// Final adjustments
#ifdef __WXGTK__
fhei += 1;
#endif
#ifdef __WXMAC__
// these are the numbers from the HIG:
switch ( m_windowVariant )
{
case wxWINDOW_VARIANT_NORMAL:
default :
fhei = 22;
break;
case wxWINDOW_VARIANT_SMALL:
fhei = 19;
break;
case wxWINDOW_VARIANT_MINI:
fhei = 15;
break;
}
#endif
fhei += 2 * FOCUS_RING;
int width = sizeText.x + FOCUS_RING + COMBO_MARGIN + DEFAULT_DROPBUTTON_WIDTH;
wxSize ret(width, fhei);
CacheBestSize(ret);
return ret;
}
void wxComboCtrlBase::OnSizeEvent( wxSizeEvent& event )
{
if ( !IsCreated() )
return;
// defined by actual wxComboCtrls
OnResize();
event.Skip();
}
// ----------------------------------------------------------------------------
// standard operations
// ----------------------------------------------------------------------------
bool wxComboCtrlBase::Enable(bool enable)
{
if ( !wxControl::Enable(enable) )
return false;
if ( m_btn )
m_btn->Enable(enable);
if ( m_text )
m_text->Enable(enable);
return true;
}
bool wxComboCtrlBase::Show(bool show)
{
if ( !wxControl::Show(show) )
return false;
if (m_btn)
m_btn->Show(show);
if (m_text)
m_text->Show(show);
return true;
}
bool wxComboCtrlBase::SetFont ( const wxFont& font )
{
if ( !wxControl::SetFont(font) )
return false;
if (m_text)
m_text->SetFont(font);
return true;
}
#if wxUSE_TOOLTIPS
void wxComboCtrlBase::DoSetToolTip(wxToolTip *tooltip)
{
wxControl::DoSetToolTip(tooltip);
// Set tool tip for button and text box
if ( tooltip )
{
const wxString &tip = tooltip->GetTip();
if ( m_text ) m_text->SetToolTip(tip);
if ( m_btn ) m_btn->SetToolTip(tip);
}
else
{
if ( m_text ) m_text->SetToolTip( (wxToolTip*) NULL );
if ( m_btn ) m_btn->SetToolTip( (wxToolTip*) NULL );
}
}
#endif // wxUSE_TOOLTIPS
#if wxUSE_VALIDATORS
void wxComboCtrlBase::SetValidator(const wxValidator& validator)
{
wxTextCtrl* textCtrl = GetTextCtrl();
if ( textCtrl )
textCtrl->SetValidator( validator );
}
wxValidator* wxComboCtrlBase::GetValidator()
{
wxTextCtrl* textCtrl = GetTextCtrl();
if ( textCtrl )
return textCtrl->GetValidator();
return wxControl::GetValidator();
}
#endif // wxUSE_VALIDATORS
// ----------------------------------------------------------------------------
// painting
// ----------------------------------------------------------------------------
#if (!defined(__WXMSW__)) || defined(__WXUNIVERSAL__)
// prepare combo box background on area in a way typical on platform
void wxComboCtrlBase::PrepareBackground( wxDC& dc, const wxRect& rect, int flags ) const
{
wxSize sz = GetClientSize();
bool isEnabled;
bool isFocused; // also selected
// For smaller size control (and for disabled background) use less spacing
int focusSpacingX;
int focusSpacingY;
if ( !(flags & wxCONTROL_ISSUBMENU) )
{
// Drawing control
isEnabled = IsEnabled();
isFocused = ShouldDrawFocus();
// Windows-style: for smaller size control (and for disabled background) use less spacing
focusSpacingX = isEnabled ? 2 : 1;
focusSpacingY = sz.y > (GetCharHeight()+2) && isEnabled ? 2 : 1;
}
else
{
// Drawing a list item
isEnabled = true; // they are never disabled
isFocused = flags & wxCONTROL_SELECTED ? true : false;
focusSpacingX = 0;
focusSpacingY = 0;
}
// Set the background sub-rectangle for selection, disabled etc
wxRect selRect(rect);
selRect.y += focusSpacingY;
selRect.height -= (focusSpacingY*2);
int wcp = 0;
if ( !(flags & wxCONTROL_ISSUBMENU) )
wcp += m_widthCustomPaint;
selRect.x += wcp + focusSpacingX;
selRect.width -= wcp + (focusSpacingX*2);
wxColour bgCol;
if ( isEnabled )
{
// If popup is hidden and this control is focused,
// then draw the focus-indicator (selbgcolor background etc.).
if ( isFocused )
{
dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) );
bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
}
else
{
dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT) );
#ifndef __WXMAC__ // see note in OnThemeChange
bgCol = GetBackgroundColour();
#else
bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
#endif
}
}
else
{
dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT) );
#ifndef __WXMAC__ // see note in OnThemeChange
bgCol = GetBackgroundColour();
#else
bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
#endif
}
dc.SetBrush( bgCol );
dc.SetPen( bgCol );
dc.DrawRectangle( selRect );
// Don't clip exactly to the selection rectangle so we can draw
// to the non-selected area in front of it.
wxRect clipRect(rect.x,rect.y,
(selRect.x+selRect.width)-rect.x,rect.height);
dc.SetClippingRegion(clipRect);
}
#else
// Save the library size a bit for platforms that re-implement this.
void wxComboCtrlBase::PrepareBackground( wxDC&, const wxRect&, int ) const
{
}
#endif
void wxComboCtrlBase::DrawButton( wxDC& dc, const wxRect& rect, int paintBg )
{
int drawState = m_btnState;
#ifdef __WXGTK__
if ( GetPopupWindowState() >= Animating )
drawState |= wxCONTROL_PRESSED;
#endif
wxRect drawRect(rect.x+m_btnSpacingX,
rect.y+((rect.height-m_btnSize.y)/2),
m_btnSize.x,
m_btnSize.y);
// Make sure area is not larger than the control
if ( drawRect.y < rect.y )
drawRect.y = rect.y;
if ( drawRect.height > rect.height )
drawRect.height = rect.height;
bool enabled = IsEnabled();
if ( !enabled )
drawState |= wxCONTROL_DISABLED;
if ( !m_bmpNormal.Ok() )
{
// Need to clear button background even if m_btn is present
if ( paintBg )
{
wxColour bgCol;
if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE )
bgCol = GetParent()->GetBackgroundColour();
else
bgCol = GetBackgroundColour();
dc.SetBrush(bgCol);
dc.SetPen(bgCol);
dc.DrawRectangle(rect);
}
// Draw standard button
wxRendererNative::Get().DrawComboBoxDropButton(this,
dc,
drawRect,
drawState);
}
else
{
// Draw bitmap
wxBitmap* pBmp;
if ( !enabled )
pBmp = &m_bmpDisabled;
else if ( m_btnState & wxCONTROL_PRESSED )
pBmp = &m_bmpPressed;
else if ( m_btnState & wxCONTROL_CURRENT )
pBmp = &m_bmpHover;
else
pBmp = &m_bmpNormal;
if ( m_blankButtonBg )
{
// If using blank button background, we need to clear its background
// with button face colour instead of colour for rest of the control.
if ( paintBg )
{
wxColour bgCol = GetParent()->GetBackgroundColour(); //wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
//wxColour bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
dc.SetPen(bgCol);
dc.SetBrush(bgCol);
dc.DrawRectangle(rect);
}
wxRendererNative::Get().DrawPushButton(this,
dc,
drawRect,
drawState);
}
else
{
// Need to clear button background even if m_btn is present
// (assume non-button background was cleared just before this call so brushes are good)
if ( paintBg )
dc.DrawRectangle(rect);
}
// Draw bitmap centered in drawRect
dc.DrawBitmap(*pBmp,
drawRect.x + (drawRect.width-pBmp->GetWidth())/2,
drawRect.y + (drawRect.height-pBmp->GetHeight())/2,
true);
}
}
void wxComboCtrlBase::RecalcAndRefresh()
{
if ( IsCreated() )
{
wxSizeEvent evt(GetSize(),GetId());
GetEventHandler()->ProcessEvent(evt);
Refresh();
}
}
// ----------------------------------------------------------------------------
// miscellaneous event handlers
// ----------------------------------------------------------------------------
void wxComboCtrlBase::OnTextCtrlEvent(wxCommandEvent& event)
{
if ( event.GetEventType() == wxEVT_COMMAND_TEXT_UPDATED )
{
if ( m_ignoreEvtText > 0 )
{
m_ignoreEvtText--;
return;
}
}
// Change event id, object and string before relaying it forward
event.SetId(GetId());
wxString s = event.GetString();
event.SetEventObject(this);
event.SetString(s);
event.Skip();
}
// call if cursor is on button area or mouse is captured for the button
bool wxComboCtrlBase::HandleButtonMouseEvent( wxMouseEvent& event,
int flags )
{
int type = event.GetEventType();
if ( type == wxEVT_MOTION )
{
if ( flags & wxCC_MF_ON_BUTTON )
{
if ( !(m_btnState & wxCONTROL_CURRENT) )
{
// Mouse hover begins
m_btnState |= wxCONTROL_CURRENT;
if ( HasCapture() ) // Retain pressed state.
m_btnState |= wxCONTROL_PRESSED;
Refresh();
}
}
else if ( (m_btnState & wxCONTROL_CURRENT) )
{
// Mouse hover ends
m_btnState &= ~(wxCONTROL_CURRENT|wxCONTROL_PRESSED);
Refresh();
}
}
else if ( type == wxEVT_LEFT_DOWN || type == wxEVT_LEFT_DCLICK )
{
if ( flags & (wxCC_MF_ON_CLICK_AREA|wxCC_MF_ON_BUTTON) )
{
m_btnState |= wxCONTROL_PRESSED;
Refresh();
if ( !(m_iFlags & wxCC_POPUP_ON_MOUSE_UP) )
OnButtonClick();
else
// If showing popup now, do not capture mouse or there will be interference
CaptureMouse();
}
}
else if ( type == wxEVT_LEFT_UP )
{
// Only accept event if mouse was left-press was previously accepted
if ( HasCapture() )
ReleaseMouse();
if ( m_btnState & wxCONTROL_PRESSED )
{
// If mouse was inside, fire the click event.
if ( m_iFlags & wxCC_POPUP_ON_MOUSE_UP )
{
if ( flags & (wxCC_MF_ON_CLICK_AREA|wxCC_MF_ON_BUTTON) )
OnButtonClick();
}
m_btnState &= ~(wxCONTROL_PRESSED);
Refresh();
}
}
else if ( type == wxEVT_LEAVE_WINDOW )
{
if ( m_btnState & (wxCONTROL_CURRENT|wxCONTROL_PRESSED) )
{
m_btnState &= ~(wxCONTROL_CURRENT);
// Mouse hover ends
if ( IsPopupWindowState(Hidden) )
{
m_btnState &= ~(wxCONTROL_PRESSED);
Refresh();
}
}
}
else
return false;
return true;
}
// returns true if event was consumed or filtered
bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event,
int WXUNUSED(flags) )
{
wxLongLong t = ::wxGetLocalTimeMillis();
int evtType = event.GetEventType();
#if USES_WXPOPUPWINDOW || USES_WXDIALOG
if ( m_popupWinType != POPUPWIN_WXPOPUPTRANSIENTWINDOW )
{
if ( IsPopupWindowState(Visible) &&
( evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_RIGHT_DOWN ) )
{
HidePopup();
return true;
}
}
#endif
// Filter out clicks on button immediately after popup dismiss (Windows like behaviour)
if ( evtType == wxEVT_LEFT_DOWN && t < m_timeCanAcceptClick )
{
event.SetEventType(0);
return true;
}
return false;
}
void wxComboCtrlBase::HandleNormalMouseEvent( wxMouseEvent& event )
{
int evtType = event.GetEventType();
if ( (evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_LEFT_DCLICK) &&
(m_windowStyle & wxCB_READONLY) )
{
if ( GetPopupWindowState() >= Animating )
{
#if USES_WXPOPUPWINDOW
// Click here always hides the popup.
if ( m_popupWinType == POPUPWIN_WXPOPUPWINDOW )
HidePopup();
#endif
}
else
{
if ( !(m_windowStyle & wxCC_SPECIAL_DCLICK) )
{
// In read-only mode, clicking the text is the
// same as clicking the button.
OnButtonClick();
}
else if ( /*evtType == wxEVT_LEFT_UP || */evtType == wxEVT_LEFT_DCLICK )
{
//if ( m_popupInterface->CycleValue() )
// Refresh();
if ( m_popupInterface )
m_popupInterface->OnComboDoubleClick();
}
}
}
else
if ( IsPopupShown() )
{
// relay (some) mouse events to the popup
if ( evtType == wxEVT_MOUSEWHEEL )
m_popup->AddPendingEvent(event);
}
else if ( evtType )
event.Skip();
}
void wxComboCtrlBase::OnKeyEvent(wxKeyEvent& event)
{
if ( IsPopupShown() )
{
// pass it to the popped up control
GetPopupControl()->GetControl()->AddPendingEvent(event);
}
else // no popup
{
int keycode = event.GetKeyCode();
if ( keycode == WXK_TAB )
{
wxNavigationKeyEvent evt;
wxWindow* mainCtrl = GetMainWindowOfCompositeControl();
evt.SetFlags(wxNavigationKeyEvent::FromTab|
(!event.ShiftDown() ? wxNavigationKeyEvent::IsForward
: wxNavigationKeyEvent::IsBackward));
evt.SetEventObject(mainCtrl);
evt.SetCurrentFocus(mainCtrl);
mainCtrl->GetParent()->GetEventHandler()->AddPendingEvent(evt);
return;
}
if ( IsKeyPopupToggle(event) )
{
OnButtonClick();
return;
}
int comboStyle = GetWindowStyle();
wxComboPopup* popupInterface = GetPopupControl();
if ( !popupInterface )
{
event.Skip();
return;
}
if ( (comboStyle & wxCB_READONLY) ||
(keycode != WXK_RIGHT && keycode != WXK_LEFT) )
{
popupInterface->OnComboKeyEvent(event);
}
else
event.Skip();
}
}
void wxComboCtrlBase::OnFocusEvent( wxFocusEvent& event )
{
if ( event.GetEventType() == wxEVT_SET_FOCUS )
{
wxWindow* tc = GetTextCtrl();
if ( tc && tc != DoFindFocus() )
#ifdef __WXMAC__
m_resetFocus = true;
#else
tc->SetFocus();
#endif
}
Refresh();
}
void wxComboCtrlBase::OnIdleEvent( wxIdleEvent& WXUNUSED(event) )
{
if ( m_resetFocus )
{
m_resetFocus = false;
wxWindow* tc = GetTextCtrl();
if ( tc )
tc->SetFocus();
}
}
void wxComboCtrlBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
{
OnThemeChange();
// indentation may also have changed
if ( !(m_iFlags & wxCC_IFLAG_INDENT_SET) )
m_absIndent = GetNativeTextIndent();
RecalcAndRefresh();
}
// ----------------------------------------------------------------------------
// popup handling
// ----------------------------------------------------------------------------
// Create popup window and the child control
void wxComboCtrlBase::CreatePopup()
{
wxComboPopup* popupInterface = m_popupInterface;
wxWindow* popup;
if ( !m_winPopup )
{
#ifdef wxComboPopupWindowBase2
if ( m_iFlags & wxCC_IFLAG_USE_ALT_POPUP )
{
#if !USES_WXDIALOG
m_winPopup = new wxComboPopupWindowBase2( this, wxNO_BORDER );
#else
m_winPopup = new wxComboPopupWindowBase2( this, wxID_ANY, wxEmptyString,
wxPoint(-21,-21), wxSize(20, 20),
wxNO_BORDER );
#endif
m_popupWinType = SECONDARY_POPUP_TYPE;
}
else
#endif
{
m_winPopup = new wxComboPopupWindow( this, wxNO_BORDER );
m_popupWinType = PRIMARY_POPUP_TYPE;
}
m_popupWinEvtHandler = new wxComboPopupWindowEvtHandler(this);
m_winPopup->PushEventHandler(m_popupWinEvtHandler);
}
popupInterface->Create(m_winPopup);
m_popup = popup = popupInterface->GetControl();
m_popupExtraHandler = new wxComboPopupExtraEventHandler(this);
popup->PushEventHandler( m_popupExtraHandler );
// This may be helpful on some platforms
// (eg. it bypasses a wxGTK popupwindow bug where
// window is not initially hidden when it should be)
m_winPopup->Hide();
popupInterface->m_iFlags |= wxCP_IFLAG_CREATED;
}
// Destroy popup window and the child control
void wxComboCtrlBase::DestroyPopup()
{
HidePopup();
if ( m_popup )
m_popup->RemoveEventHandler(m_popupExtraHandler);
delete m_popupExtraHandler;
delete m_popupInterface;
if ( m_winPopup )
{
m_winPopup->RemoveEventHandler(m_popupWinEvtHandler);
delete m_popupWinEvtHandler;
m_popupWinEvtHandler = NULL;
m_winPopup->Destroy();
}
m_popupExtraHandler = (wxEvtHandler*) NULL;
m_popupInterface = (wxComboPopup*) NULL;
m_winPopup = (wxWindow*) NULL;
m_popup = (wxWindow*) NULL;
}
void wxComboCtrlBase::DoSetPopupControl(wxComboPopup* iface)
{
wxCHECK_RET( iface, wxT("no popup interface set for wxComboCtrl") );
DestroyPopup();
iface->InitBase(this);
iface->Init();
m_popupInterface = iface;
if ( !iface->LazyCreate() )
{
CreatePopup();
}
else
{
m_popup = (wxWindow*) NULL;
}
// This must be done after creation
if ( m_valueString.length() )
{
iface->SetStringValue(m_valueString);
//Refresh();
}
}
// Ensures there is atleast the default popup
void wxComboCtrlBase::EnsurePopupControl()
{
if ( !m_popupInterface )
SetPopupControl(NULL);
}
void wxComboCtrlBase::OnButtonClick()
{
// Derived classes can override this method for totally custom
// popup action
ShowPopup();
}
void wxComboCtrlBase::ShowPopup()
{
EnsurePopupControl();
wxCHECK_RET( !IsPopupWindowState(Visible), wxT("popup window already shown") );
if ( IsPopupWindowState(Animating) )
return;
SetFocus();
// Space above and below
int screenHeight;
wxPoint scrPos;
int spaceAbove;
int spaceBelow;
int maxHeightPopup;
wxSize ctrlSz = GetSize();
screenHeight = wxSystemSettings::GetMetric( wxSYS_SCREEN_Y );
scrPos = GetParent()->ClientToScreen(GetPosition());
spaceAbove = scrPos.y;
spaceBelow = screenHeight - spaceAbove - ctrlSz.y;
maxHeightPopup = spaceBelow;
if ( spaceAbove > spaceBelow )
maxHeightPopup = spaceAbove;
// Width
int widthPopup = ctrlSz.x + m_extLeft + m_extRight;
if ( widthPopup < m_widthMinPopup )
widthPopup = m_widthMinPopup;
wxWindow* winPopup = m_winPopup;
wxWindow* popup;
// Need to disable tab traversal of parent
//
// NB: This is to fix a bug in wxMSW. In theory it could also be fixed
// by, for instance, adding check to window.cpp:wxWindowMSW::MSWProcessMessage
// that if transient popup is open, then tab traversal is to be ignored.
// However, I think this code would still be needed for cases where
// transient popup doesn't work yet (wxWinCE?).
wxWindow* parent = GetParent();
int parentFlags = parent->GetWindowStyle();
if ( parentFlags & wxTAB_TRAVERSAL )
{
parent->SetWindowStyle( parentFlags & ~(wxTAB_TRAVERSAL) );
m_iFlags |= wxCC_IFLAG_PARENT_TAB_TRAVERSAL;
}
if ( !winPopup )
{
CreatePopup();
winPopup = m_winPopup;
popup = m_popup;
}
else
{
popup = m_popup;
}
winPopup->Enable();
wxASSERT( !m_popup || m_popup == popup ); // Consistency check.
wxSize adjustedSize = m_popupInterface->GetAdjustedSize(widthPopup,
m_heightPopup<=0?DEFAULT_POPUP_HEIGHT:m_heightPopup,
maxHeightPopup);
popup->SetSize(adjustedSize);
popup->Move(0,0);
m_popupInterface->OnPopup();
//
// Reposition and resize popup window
//
wxSize szp = popup->GetSize();
int popupX;
int popupY = scrPos.y + ctrlSz.y;
// Default anchor is wxLEFT
int anchorSide = m_anchorSide;
if ( !anchorSide )
anchorSide = wxLEFT;
int rightX = scrPos.x + ctrlSz.x + m_extRight - szp.x;
int leftX = scrPos.x - m_extLeft;
if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
leftX -= ctrlSz.x;
int screenWidth = wxSystemSettings::GetMetric( wxSYS_SCREEN_X );
// If there is not enough horizontal space, anchor on the other side.
// If there is no space even then, place the popup at x 0.
if ( anchorSide == wxRIGHT )
{
if ( rightX < 0 )
{
if ( (leftX+szp.x) < screenWidth )
anchorSide = wxLEFT;
else
anchorSide = 0;
}
}
else
{
if ( (leftX+szp.x) >= screenWidth )
{
if ( rightX >= 0 )
anchorSide = wxRIGHT;
else
anchorSide = 0;
}
}
// Select x coordinate according to the anchor side
if ( anchorSide == wxRIGHT )
popupX = rightX;
else if ( anchorSide == wxLEFT )
popupX = leftX;
else
popupX = 0;
int showFlags = CanDeferShow;
if ( spaceBelow < szp.y )
{
popupY = scrPos.y - szp.y;
showFlags |= ShowAbove;
}
#if INSTALL_TOPLEV_HANDLER
// Put top level window event handler into place
if ( m_popupWinType == POPUPWIN_WXPOPUPWINDOW )
{
if ( !m_toplevEvtHandler )
m_toplevEvtHandler = new wxComboFrameEventHandler(this);
wxWindow* toplev = ::wxGetTopLevelParent( this );
wxASSERT( toplev );
((wxComboFrameEventHandler*)m_toplevEvtHandler)->OnPopup();
toplev->PushEventHandler( m_toplevEvtHandler );
}
#endif
// Set string selection (must be this way instead of SetStringSelection)
if ( m_text )
{
if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
m_text->SelectAll();
m_popupInterface->SetStringValue( m_text->GetValue() );
}
else
{
// This is neede since focus/selection indication may change when popup is shown
Refresh();
}
// This must be after SetStringValue
m_popupWinState = Animating;
wxRect popupWinRect( popupX, popupY, szp.x, szp.y );
m_popup = popup;
if ( (m_iFlags & wxCC_IFLAG_DISABLE_POPUP_ANIM) ||
AnimateShow( popupWinRect, showFlags ) )
{
DoShowPopup( popupWinRect, showFlags );
}
}
bool wxComboCtrlBase::AnimateShow( const wxRect& WXUNUSED(rect), int WXUNUSED(flags) )
{
return true;
}
void wxComboCtrlBase::DoShowPopup( const wxRect& rect, int WXUNUSED(flags) )
{
wxWindow* winPopup = m_winPopup;
if ( IsPopupWindowState(Animating) )
{
// Make sure the popup window is shown in the right position.
// Should not matter even if animation already did this.
// Some platforms (GTK) may like SetSize and Move to be separate
// (though the bug was probably fixed).
winPopup->SetSize( rect );
winPopup->Show();
m_popupWinState = Visible;
}
else if ( IsPopupWindowState(Hidden) )
{
// Animation was aborted
wxASSERT( !winPopup->IsShown() );
m_popupWinState = Hidden;
}
}
void wxComboCtrlBase::OnPopupDismiss()
{
// Just in case, avoid double dismiss
if ( IsPopupWindowState(Hidden) )
return;
// This must be set before focus - otherwise there will be recursive
// OnPopupDismisses.
m_popupWinState = Hidden;
//SetFocus();
m_winPopup->Disable();
// Inform popup control itself
m_popupInterface->OnDismiss();
if ( m_popupExtraHandler )
((wxComboPopupExtraEventHandler*)m_popupExtraHandler)->OnPopupDismiss();
#if INSTALL_TOPLEV_HANDLER
// Remove top level window event handler
if ( m_toplevEvtHandler )
{
wxWindow* toplev = ::wxGetTopLevelParent( this );
if ( toplev )
toplev->RemoveEventHandler( m_toplevEvtHandler );
}
#endif
m_timeCanAcceptClick = ::wxGetLocalTimeMillis();
if ( m_popupWinType == POPUPWIN_WXPOPUPTRANSIENTWINDOW )
m_timeCanAcceptClick += 150;
// If cursor not on dropdown button, then clear its state
// (technically not required by all ports, but do it for all just in case)
if ( !m_btnArea.Contains(ScreenToClient(::wxGetMousePosition())) )
m_btnState = 0;
// Return parent's tab traversal flag.
// See ShowPopup for notes.
if ( m_iFlags & wxCC_IFLAG_PARENT_TAB_TRAVERSAL )
{
wxWindow* parent = GetParent();
parent->SetWindowStyle( parent->GetWindowStyle() | wxTAB_TRAVERSAL );
m_iFlags &= ~(wxCC_IFLAG_PARENT_TAB_TRAVERSAL);
}
// refresh control (necessary even if m_text)
Refresh();
SetFocus();
}
void wxComboCtrlBase::HidePopup()
{
// Should be able to call this without popup interface
if ( IsPopupWindowState(Hidden) )
return;
// transfer value and show it in textctrl, if any
if ( !IsPopupWindowState(Animating) )
SetValue( m_popupInterface->GetStringValue() );
m_winPopup->Hide();
OnPopupDismiss();
}
// ----------------------------------------------------------------------------
// customization methods
// ----------------------------------------------------------------------------
void wxComboCtrlBase::SetButtonPosition( int width, int height,
int side, int spacingX )
{
m_btnWid = width;
m_btnHei = height;
m_btnSide = side;
m_btnSpacingX = spacingX;
RecalcAndRefresh();
}
wxSize wxComboCtrlBase::GetButtonSize()
{
if ( m_btnSize.x > 0 )
return m_btnSize;
wxSize retSize(m_btnWid,m_btnHei);
// Need to call CalculateAreas now if button size is
// is not explicitly specified.
if ( retSize.x <= 0 || retSize.y <= 0)
{
OnResize();
retSize = m_btnSize;
}
return retSize;
}
void wxComboCtrlBase::SetButtonBitmaps( const wxBitmap& bmpNormal,
bool blankButtonBg,
const wxBitmap& bmpPressed,
const wxBitmap& bmpHover,
const wxBitmap& bmpDisabled )
{
m_bmpNormal = bmpNormal;
m_blankButtonBg = blankButtonBg;
if ( bmpPressed.Ok() )
m_bmpPressed = bmpPressed;
else
m_bmpPressed = bmpNormal;
if ( bmpHover.Ok() )
m_bmpHover = bmpHover;
else
m_bmpHover = bmpNormal;
if ( bmpDisabled.Ok() )
m_bmpDisabled = bmpDisabled;
else
m_bmpDisabled = bmpNormal;
RecalcAndRefresh();
}
void wxComboCtrlBase::SetCustomPaintWidth( int width )
{
if ( m_text )
{
// move textctrl accordingly
wxRect r = m_text->GetRect();
int inc = width - m_widthCustomPaint;
r.x += inc;
r.width -= inc;
m_text->SetSize( r );
}
m_widthCustomPaint = width;
RecalcAndRefresh();
}
void wxComboCtrlBase::SetTextIndent( int indent )
{
if ( indent < 0 )
{
m_absIndent = GetNativeTextIndent();
m_iFlags &= ~(wxCC_IFLAG_INDENT_SET);
}
else
{
m_absIndent = indent;
m_iFlags |= wxCC_IFLAG_INDENT_SET;
}
RecalcAndRefresh();
}
wxCoord wxComboCtrlBase::GetNativeTextIndent() const
{
return DEFAULT_TEXT_INDENT;
}
// ----------------------------------------------------------------------------
// methods forwarded to wxTextCtrl
// ----------------------------------------------------------------------------
wxString wxComboCtrlBase::GetValue() const
{
if ( m_text )
return m_text->GetValue();
return m_valueString;
}
void wxComboCtrlBase::SetValueWithEvent(const wxString& value, bool withEvent)
{
if ( m_text )
{
if ( !withEvent )
m_ignoreEvtText++;
m_text->SetValue(value);
if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
m_text->SelectAll();
}
m_valueString = value;
Refresh();
// Since wxComboPopup may want to paint the combo as well, we need
// to set the string value here (as well as sometimes in ShowPopup).
if ( m_valueString != value && m_popupInterface )
{
m_popupInterface->SetStringValue(value);
}
}
void wxComboCtrlBase::SetValue(const wxString& value)
{
SetValueWithEvent(value, false);
}
// In this SetValue variant wxComboPopup::SetStringValue is not called
void wxComboCtrlBase::SetText(const wxString& value)
{
// Unlike in SetValue(), this must be called here or
// the behaviour will no be consistent in readonlys.
EnsurePopupControl();
m_valueString = value;
if ( m_text )
{
m_ignoreEvtText++;
m_text->SetValue( value );
}
Refresh();
}
void wxComboCtrlBase::Copy()
{
if ( m_text )
m_text->Copy();
}
void wxComboCtrlBase::Cut()
{
if ( m_text )
m_text->Cut();
}
void wxComboCtrlBase::Paste()
{
if ( m_text )
m_text->Paste();
}
void wxComboCtrlBase::SetInsertionPoint(long pos)
{
if ( m_text )
m_text->SetInsertionPoint(pos);
}
void wxComboCtrlBase::SetInsertionPointEnd()
{
if ( m_text )
m_text->SetInsertionPointEnd();
}
long wxComboCtrlBase::GetInsertionPoint() const
{
if ( m_text )
return m_text->GetInsertionPoint();
return 0;
}
long wxComboCtrlBase::GetLastPosition() const
{
if ( m_text )
return m_text->GetLastPosition();
return 0;
}
void wxComboCtrlBase::Replace(long from, long to, const wxString& value)
{
if ( m_text )
m_text->Replace(from, to, value);
}
void wxComboCtrlBase::Remove(long from, long to)
{
if ( m_text )
m_text->Remove(from, to);
}
void wxComboCtrlBase::SetSelection(long from, long to)
{
if ( m_text )
m_text->SetSelection(from, to);
}
void wxComboCtrlBase::Undo()
{
if ( m_text )
m_text->Undo();
}
#endif // wxUSE_COMBOCTRL
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