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6a89f9ee4212a2268df1a7ed97145944e937fa0f
wxWidgets/src/msw/notebook.cpp
Stefan Csomor 6a89f9ee42 RTTI simplifications 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22993 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2003-08-18 09:59:18 +00:00

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///////////////////////////////////////////////////////////////////////////////
// Name: msw/notebook.cpp
// Purpose: implementation of wxNotebook
// Author: Vadim Zeitlin
// Modified by:
// Created: 11.06.98
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "notebook.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_NOTEBOOK
// wxWindows
#ifndef WX_PRECOMP
#include "wx/string.h"
#endif // WX_PRECOMP
#include "wx/log.h"
#include "wx/imaglist.h"
#include "wx/event.h"
#include "wx/control.h"
#include "wx/notebook.h"
#include "wx/app.h"
#include "wx/msw/private.h"
// Windows standard headers
#ifndef __WIN95__
#error "wxNotebook is only supported Windows 95 and above"
#endif //Win95
#include <windowsx.h> // for SetWindowFont
#ifdef __GNUWIN32_OLD__
#include "wx/msw/gnuwin32/extra.h"
#endif
#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__))
#include <commctrl.h>
#endif
#include "wx/msw/winundef.h"
#if wxUSE_UXTHEME
#include "wx/msw/uxtheme.h"
#include "wx/radiobut.h"
#include "wx/radiobox.h"
#include "wx/checkbox.h"
#include "wx/bmpbuttn.h"
#include "wx/statline.h"
#include "wx/statbox.h"
#include "wx/stattext.h"
#include "wx/slider.h"
#include "wx/scrolwin.h"
#include "wx/panel.h"
#endif
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------
// check that the page index is valid
#define IS_VALID_PAGE(nPage) (((nPage) >= 0) && ((nPage) < GetPageCount()))
// hide the ugly cast
#define m_hwnd (HWND)GetHWND()
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// This is a work-around for missing defines in gcc-2.95 headers
#ifndef TCS_RIGHT
#define TCS_RIGHT 0x0002
#endif
#ifndef TCS_VERTICAL
#define TCS_VERTICAL 0x0080
#endif
#ifndef TCS_BOTTOM
#define TCS_BOTTOM TCS_RIGHT
#endif
// ----------------------------------------------------------------------------
// event table
// ----------------------------------------------------------------------------
#include <wx/listimpl.cpp>
WX_DEFINE_LIST( wxNotebookPageInfoList ) ;
DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
BEGIN_EVENT_TABLE(wxNotebook, wxControl)
EVT_NOTEBOOK_PAGE_CHANGED(-1, wxNotebook::OnSelChange)
EVT_SIZE(wxNotebook::OnSize)
EVT_SET_FOCUS(wxNotebook::OnSetFocus)
EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
END_EVENT_TABLE()
#if wxUSE_EXTENDED_RTTI
IMPLEMENT_DYNAMIC_CLASS_XTI(wxNotebook, wxControl,"wx/notebook.h")
IMPLEMENT_DYNAMIC_CLASS_XTI(wxNotebookPageInfo, wxObject , "wx/notebook.h" )
template<> const wxTypeInfo* wxGetTypeInfo( wxNotebookPageInfoList * )
{
static wxCollectionTypeInfo s_typeInfo( (wxTypeInfo*) wxGetTypeInfo( (wxNotebookPageInfo **) NULL) ) ;
return &s_typeInfo ;
}
WX_BEGIN_PROPERTIES_TABLE(wxNotebook)
WX_PROPERTY_COLLECTION( PageInfos , wxNotebookPageInfoList , wxNotebookPageInfo* , AddPageInfo , GetPageInfos )
/*
notebookpage
object
object_ref
label
selected
style
usenotebooksizer
*/
WX_END_PROPERTIES_TABLE()
WX_BEGIN_HANDLERS_TABLE(wxNotebook)
WX_END_HANDLERS_TABLE()
WX_CONSTRUCTOR_4( wxNotebook , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size )
WX_BEGIN_PROPERTIES_TABLE(wxNotebookPageInfo)
WX_READONLY_PROPERTY( Page , wxNotebookPage* , GetPage , )
WX_READONLY_PROPERTY( Text , wxString , GetText , wxEmptyString )
WX_READONLY_PROPERTY( Selected , bool , GetSelected , false )
WX_READONLY_PROPERTY( ImageId , int , GetImageId , -1 )
WX_END_PROPERTIES_TABLE()
WX_BEGIN_HANDLERS_TABLE(wxNotebookPageInfo)
WX_END_HANDLERS_TABLE()
WX_CONSTRUCTOR_4( wxNotebookPageInfo , wxNotebookPage* , Page , wxString , Text , bool , Selected , int , ImageId )
template<> void wxCollectionToVariantArray( wxNotebookPageInfoList const &theList, wxxVariantArray &value)
{
wxListCollectionToVariantArray( theList , value ) ;
}
#else
IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxControl)
IMPLEMENT_DYNAMIC_CLASS(wxNotebookPageInfo, wxObject )
#endif
IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// wxNotebook construction
// ----------------------------------------------------------------------------
const wxNotebookPageInfoList& wxNotebook::GetPageInfos() const
{
wxNotebookPageInfoList* list = const_cast< wxNotebookPageInfoList* >( &m_pageInfos ) ;
WX_CLEAR_LIST( wxNotebookPageInfoList , *list ) ;
for( int i = 0 ; i < GetPageCount() ; ++i )
{
wxNotebookPageInfo *info = new wxNotebookPageInfo() ;
info->Create( const_cast<wxNotebook*>(this)->GetPage(i) , GetPageText(i) , GetSelection() == i , GetPageImage(i) ) ;
list->Append( info ) ;
}
return m_pageInfos ;
}
// common part of all ctors
void wxNotebook::Init()
{
m_imageList = NULL;
m_nSelection = -1;
}
// default for dynamic class
wxNotebook::wxNotebook()
{
Init();
}
// the same arguments as for wxControl
wxNotebook::wxNotebook(wxWindow *parent,
wxWindowID id,
const wxPoint& pos,
const wxSize& size,
long style,
const wxString& name)
{
Init();
Create(parent, id, pos, size, style, name);
}
// Create() function
bool wxNotebook::Create(wxWindow *parent,
wxWindowID id,
const wxPoint& pos,
const wxSize& size,
long style,
const wxString& name)
{
// Does ComCtl32 support non-top tabs?
int verComCtl32 = wxApp::GetComCtl32Version();
if ( verComCtl32 < 470 || verComCtl32 >= 600 )
{
if (style & wxNB_BOTTOM)
style &= ~wxNB_BOTTOM;
if (style & wxNB_LEFT)
style &= ~wxNB_LEFT;
if (style & wxNB_RIGHT)
style &= ~wxNB_RIGHT;
}
if ( !CreateControl(parent, id, pos, size, style | wxTAB_TRAVERSAL,
wxDefaultValidator, name) )
return FALSE;
if ( !MSWCreateControl(WC_TABCONTROL, wxEmptyString, pos, size) )
return FALSE;
SetBackgroundColour(wxColour(::GetSysColor(COLOR_BTNFACE)));
return TRUE;
}
WXDWORD wxNotebook::MSWGetStyle(long style, WXDWORD *exstyle) const
{
WXDWORD tabStyle = wxControl::MSWGetStyle(style, exstyle);
tabStyle |= WS_TABSTOP | TCS_TABS;
if ( style & wxNB_MULTILINE )
tabStyle |= TCS_MULTILINE;
if ( style & wxNB_FIXEDWIDTH )
tabStyle |= TCS_FIXEDWIDTH;
if ( style & wxNB_BOTTOM )
tabStyle |= TCS_RIGHT;
else if ( style & wxNB_LEFT )
tabStyle |= TCS_VERTICAL;
else if ( style & wxNB_RIGHT )
tabStyle |= TCS_VERTICAL | TCS_RIGHT;
// ex style
if ( exstyle )
{
// note that we never want to have the default WS_EX_CLIENTEDGE style
// as it looks too ugly for the notebooks
*exstyle = 0;
}
return tabStyle;
}
// ----------------------------------------------------------------------------
// wxNotebook accessors
// ----------------------------------------------------------------------------
int wxNotebook::GetPageCount() const
{
// consistency check
wxASSERT( (int)m_pages.Count() == TabCtrl_GetItemCount(m_hwnd) );
return m_pages.Count();
}
int wxNotebook::GetRowCount() const
{
return TabCtrl_GetRowCount(m_hwnd);
}
int wxNotebook::SetSelection(int nPage)
{
wxCHECK_MSG( IS_VALID_PAGE(nPage), -1, wxT("notebook page out of range") );
if ( nPage != m_nSelection )
{
wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, m_windowId);
event.SetSelection(nPage);
event.SetOldSelection(m_nSelection);
event.SetEventObject(this);
if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() )
{
// program allows the page change
event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED);
(void)GetEventHandler()->ProcessEvent(event);
TabCtrl_SetCurSel(m_hwnd, nPage);
}
}
return m_nSelection;
}
bool wxNotebook::SetPageText(int nPage, const wxString& strText)
{
wxCHECK_MSG( IS_VALID_PAGE(nPage), FALSE, wxT("notebook page out of range") );
TC_ITEM tcItem;
tcItem.mask = TCIF_TEXT;
tcItem.pszText = (wxChar *)strText.c_str();
return TabCtrl_SetItem(m_hwnd, nPage, &tcItem) != 0;
}
wxString wxNotebook::GetPageText(int nPage) const
{
wxCHECK_MSG( IS_VALID_PAGE(nPage), wxEmptyString, wxT("notebook page out of range") );
wxChar buf[256];
TC_ITEM tcItem;
tcItem.mask = TCIF_TEXT;
tcItem.pszText = buf;
tcItem.cchTextMax = WXSIZEOF(buf);
wxString str;
if ( TabCtrl_GetItem(m_hwnd, nPage, &tcItem) )
str = tcItem.pszText;
return str;
}
int wxNotebook::GetPageImage(int nPage) const
{
wxCHECK_MSG( IS_VALID_PAGE(nPage), -1, wxT("notebook page out of range") );
TC_ITEM tcItem;
tcItem.mask = TCIF_IMAGE;
return TabCtrl_GetItem(m_hwnd, nPage, &tcItem) ? tcItem.iImage : -1;
}
bool wxNotebook::SetPageImage(int nPage, int nImage)
{
wxCHECK_MSG( IS_VALID_PAGE(nPage), FALSE, wxT("notebook page out of range") );
TC_ITEM tcItem;
tcItem.mask = TCIF_IMAGE;
tcItem.iImage = nImage;
return TabCtrl_SetItem(m_hwnd, nPage, &tcItem) != 0;
}
void wxNotebook::SetImageList(wxImageList* imageList)
{
wxNotebookBase::SetImageList(imageList);
if ( imageList )
{
TabCtrl_SetImageList(m_hwnd, (HIMAGELIST)imageList->GetHIMAGELIST());
}
}
// ----------------------------------------------------------------------------
// wxNotebook size settings
// ----------------------------------------------------------------------------
void wxNotebook::SetPageSize(const wxSize& size)
{
// transform the page size into the notebook size
RECT rc;
rc.left =
rc.top = 0;
rc.right = size.x;
rc.bottom = size.y;
TabCtrl_AdjustRect(GetHwnd(), TRUE, &rc);
// and now set it
SetSize(rc.right - rc.left, rc.bottom - rc.top);
}
void wxNotebook::SetPadding(const wxSize& padding)
{
TabCtrl_SetPadding(GetHwnd(), padding.x, padding.y);
}
// Windows-only at present. Also, you must use the wxNB_FIXEDWIDTH
// style.
void wxNotebook::SetTabSize(const wxSize& sz)
{
::SendMessage(GetHwnd(), TCM_SETITEMSIZE, 0, MAKELPARAM(sz.x, sz.y));
}
wxSize wxNotebook::CalcSizeFromPage(const wxSize& sizePage) const
{
wxSize sizeTotal = sizePage;
// We need to make getting tab size part of the wxWindows API.
wxSize tabSize(0, 0);
if (GetPageCount() > 0)
{
RECT rect;
TabCtrl_GetItemRect((HWND) GetHWND(), 0, & rect);
tabSize.x = rect.right - rect.left;
tabSize.y = rect.bottom - rect.top;
}
if ( HasFlag(wxNB_LEFT) || HasFlag(wxNB_RIGHT) )
{
sizeTotal.x += tabSize.x + 7;
sizeTotal.y += 7;
}
else
{
sizeTotal.x += 7;
sizeTotal.y += tabSize.y + 7;
}
return sizeTotal;
}
void wxNotebook::AdjustPageSize(wxNotebookPage *page)
{
wxCHECK_RET( page, _T("NULL page in wxNotebook::AdjustPageSize") );
RECT rc;
rc.left =
rc.top = 0;
// get the page size from the notebook size
GetSize((int *)&rc.right, (int *)&rc.bottom);
TabCtrl_AdjustRect(m_hwnd, FALSE, &rc);
page->SetSize(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top);
}
// ----------------------------------------------------------------------------
// wxNotebook operations
// ----------------------------------------------------------------------------
// remove one page from the notebook, without deleting
wxNotebookPage *wxNotebook::DoRemovePage(int nPage)
{
wxNotebookPage *pageRemoved = wxNotebookBase::DoRemovePage(nPage);
if ( !pageRemoved )
return NULL;
TabCtrl_DeleteItem(m_hwnd, nPage);
if ( m_pages.IsEmpty() )
{
// no selection any more, the notebook becamse empty
m_nSelection = -1;
}
else // notebook still not empty
{
// change the selected page if it was deleted or became invalid
int selNew;
if ( m_nSelection == GetPageCount() )
{
// last page deleted, make the new last page the new selection
selNew = m_nSelection - 1;
}
else if ( nPage <= m_nSelection )
{
// we must show another page, even if it has the same index
selNew = m_nSelection;
}
else // nothing changes for the currently selected page
{
selNew = -1;
// we still must refresh the current page: this needs to be done
// for some unknown reason if the tab control shows the up-down
// control (i.e. when there are too many pages) -- otherwise after
// deleting a page nothing at all is shown
if (m_nSelection >= 0)
m_pages[m_nSelection]->Refresh();
}
if ( selNew != -1 )
{
// m_nSelection must be always valid so reset it before calling
// SetSelection()
m_nSelection = -1;
SetSelection(selNew);
}
}
return pageRemoved;
}
// remove all pages
bool wxNotebook::DeleteAllPages()
{
int nPageCount = GetPageCount();
int nPage;
for ( nPage = 0; nPage < nPageCount; nPage++ )
delete m_pages[nPage];
m_pages.Clear();
TabCtrl_DeleteAllItems(m_hwnd);
m_nSelection = -1;
return TRUE;
}
// same as AddPage() but does it at given position
bool wxNotebook::InsertPage(int nPage,
wxNotebookPage *pPage,
const wxString& strText,
bool bSelect,
int imageId)
{
wxCHECK_MSG( pPage != NULL, FALSE, _T("NULL page in wxNotebook::InsertPage") );
wxCHECK_MSG( IS_VALID_PAGE(nPage) || nPage == GetPageCount(), FALSE,
_T("invalid index in wxNotebook::InsertPage") );
wxASSERT_MSG( pPage->GetParent() == this,
_T("notebook pages must have notebook as parent") );
#if wxUSE_UXTHEME && wxUSE_UXTHEME_AUTO
static bool g_TestedForTheme = FALSE;
static bool g_UseTheme = FALSE;
if (!g_TestedForTheme)
{
int commCtrlVersion = wxTheApp->GetComCtl32Version() ;
g_UseTheme = (commCtrlVersion >= 600);
g_TestedForTheme = TRUE;
}
// Automatically apply the theme background,
// changing the colour of the panel to match the
// tab page colour. This won't work well with all
// themes but it's a start.
if (g_UseTheme && wxUxThemeEngine::Get() && pPage->IsKindOf(CLASSINFO(wxPanel)))
{
ApplyThemeBackground(pPage, GetThemeBackgroundColour());
}
#endif
// add a new tab to the control
// ----------------------------
// init all fields to 0
TC_ITEM tcItem;
wxZeroMemory(tcItem);
// set the image, if any
if ( imageId != -1 )
{
tcItem.mask |= TCIF_IMAGE;
tcItem.iImage = imageId;
}
// and the text
if ( !strText.IsEmpty() )
{
tcItem.mask |= TCIF_TEXT;
tcItem.pszText = (wxChar *)strText.c_str(); // const_cast
}
// fit the notebook page to the tab control's display area: this should be
// done before adding it to the notebook or TabCtrl_InsertItem() will
// change the notebooks size itself!
AdjustPageSize(pPage);
// finally do insert it
if ( TabCtrl_InsertItem(m_hwnd, nPage, &tcItem) == -1 )
{
wxLogError(wxT("Can't create the notebook page '%s'."), strText.c_str());
return FALSE;
}
// succeeded: save the pointer to the page
m_pages.Insert(pPage, nPage);
// for the first page (only) we need to adjust the size again because the
// notebook size changed: the tabs which hadn't been there before are now
// shown
if ( m_pages.GetCount() == 1 )
{
AdjustPageSize(pPage);
}
// hide the page: unless it is selected, it shouldn't be shown (and if it
// is selected it will be shown later)
HWND hwnd = GetWinHwnd(pPage);
SetWindowLong(hwnd, GWL_STYLE, GetWindowLong(hwnd, GWL_STYLE) & ~WS_VISIBLE);
// this updates internal flag too -- otherwise it would get out of sync
// with the real state
pPage->Show(FALSE);
// now deal with the selection
// ---------------------------
// if the inserted page is before the selected one, we must update the
// index of the selected page
if ( nPage <= m_nSelection )
{
// one extra page added
m_nSelection++;
}
// some page should be selected: either this one or the first one if there
// is still no selection
int selNew = -1;
if ( bSelect )
selNew = nPage;
else if ( m_nSelection == -1 )
selNew = 0;
if ( selNew != -1 )
SetSelection(selNew);
return TRUE;
}
int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
{
TC_HITTESTINFO hitTestInfo;
hitTestInfo.pt.x = pt.x;
hitTestInfo.pt.y = pt.y;
int item = TabCtrl_HitTest(GetHwnd(), &hitTestInfo);
if ( flags )
{
*flags = 0;
if ((hitTestInfo.flags & TCHT_NOWHERE) == TCHT_NOWHERE)
*flags |= wxNB_HITTEST_NOWHERE;
if ((hitTestInfo.flags & TCHT_ONITEM) == TCHT_ONITEM)
*flags |= wxNB_HITTEST_ONITEM;
if ((hitTestInfo.flags & TCHT_ONITEMICON) == TCHT_ONITEMICON)
*flags |= wxNB_HITTEST_ONICON;
if ((hitTestInfo.flags & TCHT_ONITEMLABEL) == TCHT_ONITEMLABEL)
*flags |= wxNB_HITTEST_ONLABEL;
}
return item;
}
// ----------------------------------------------------------------------------
// wxNotebook callbacks
// ----------------------------------------------------------------------------
void wxNotebook::OnSize(wxSizeEvent& event)
{
// fit the notebook page to the tab control's display area
RECT rc;
rc.left = rc.top = 0;
GetSize((int *)&rc.right, (int *)&rc.bottom);
TabCtrl_AdjustRect(m_hwnd, FALSE, &rc);
int width = rc.right - rc.left,
height = rc.bottom - rc.top;
size_t nCount = m_pages.Count();
for ( size_t nPage = 0; nPage < nCount; nPage++ ) {
wxNotebookPage *pPage = m_pages[nPage];
pPage->SetSize(rc.left, rc.top, width, height);
}
event.Skip();
}
void wxNotebook::OnSelChange(wxNotebookEvent& event)
{
// is it our tab control?
if ( event.GetEventObject() == this )
{
int sel = event.GetOldSelection();
if ( sel != -1 )
m_pages[sel]->Show(FALSE);
sel = event.GetSelection();
if ( sel != -1 )
{
wxNotebookPage *pPage = m_pages[sel];
pPage->Show(TRUE);
pPage->SetFocus();
}
m_nSelection = sel;
}
// we want to give others a chance to process this message as well
event.Skip();
}
void wxNotebook::OnSetFocus(wxFocusEvent& event)
{
// this function is only called when the focus is explicitly set (i.e. from
// the program) to the notebook - in this case we don't need the
// complicated OnNavigationKey() logic because the programmer knows better
// what [s]he wants
// set focus to the currently selected page if any
if ( m_nSelection != -1 )
m_pages[m_nSelection]->SetFocus();
event.Skip();
}
void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
{
if ( event.IsWindowChange() ) {
// change pages
AdvanceSelection(event.GetDirection());
}
else {
// we get this event in 2 cases
//
// a) one of our pages might have generated it because the user TABbed
// out from it in which case we should propagate the event upwards and
// our parent will take care of setting the focus to prev/next sibling
//
// or
//
// b) the parent panel wants to give the focus to us so that we
// forward it to our selected page. We can't deal with this in
// OnSetFocus() because we don't know which direction the focus came
// from in this case and so can't choose between setting the focus to
// first or last panel child
wxWindow *parent = GetParent();
// the cast is here to fic a GCC ICE
if ( ((wxWindow*)event.GetEventObject()) == parent )
{
// no, it doesn't come from child, case (b): forward to a page
if ( m_nSelection != -1 )
{
// so that the page knows that the event comes from it's parent
// and is being propagated downwards
event.SetEventObject(this);
wxWindow *page = m_pages[m_nSelection];
if ( !page->GetEventHandler()->ProcessEvent(event) )
{
page->SetFocus();
}
//else: page manages focus inside it itself
}
else
{
// we have no pages - still have to give focus to _something_
SetFocus();
}
}
else
{
// it comes from our child, case (a), pass to the parent
if ( parent ) {
event.SetCurrentFocus(this);
parent->GetEventHandler()->ProcessEvent(event);
}
}
}
}
// ----------------------------------------------------------------------------
// wxNotebook base class virtuals
// ----------------------------------------------------------------------------
#if wxUSE_CONSTRAINTS
// override these 2 functions to do nothing: everything is done in OnSize
void wxNotebook::SetConstraintSizes(bool WXUNUSED(recurse))
{
// don't set the sizes of the pages - their correct size is not yet known
wxControl::SetConstraintSizes(FALSE);
}
bool wxNotebook::DoPhase(int WXUNUSED(nPhase))
{
return TRUE;
}
#endif // wxUSE_CONSTRAINTS
// ----------------------------------------------------------------------------
// wxNotebook Windows message handlers
// ----------------------------------------------------------------------------
bool wxNotebook::MSWOnScroll(int orientation, WXWORD nSBCode,
WXWORD pos, WXHWND control)
{
// don't generate EVT_SCROLLWIN events for the WM_SCROLLs coming from the
// up-down control
if ( control )
return FALSE;
return wxNotebookBase::MSWOnScroll(orientation, nSBCode, pos, control);
}
bool wxNotebook::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM* result)
{
wxNotebookEvent event(wxEVT_NULL, m_windowId);
NMHDR* hdr = (NMHDR *)lParam;
switch ( hdr->code ) {
case TCN_SELCHANGE:
event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED);
break;
case TCN_SELCHANGING:
event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING);
break;
default:
return wxControl::MSWOnNotify(idCtrl, lParam, result);
}
event.SetSelection(TabCtrl_GetCurSel(m_hwnd));
event.SetOldSelection(m_nSelection);
event.SetEventObject(this);
event.SetInt(idCtrl);
bool processed = GetEventHandler()->ProcessEvent(event);
*result = !event.IsAllowed();
return processed;
}
// Windows only: attempts to get colour for UX theme page background
wxColour wxNotebook::GetThemeBackgroundColour()
{
#if wxUSE_UXTHEME
if (wxUxThemeEngine::Get())
{
wxUxThemeHandle hTheme(this, L"TAB");
if (hTheme)
{
// This is total guesswork.
// See PlatformSDK\Include\Tmschema.h for values
COLORREF themeColor;
wxUxThemeEngine::Get()->GetThemeColor
(
hTheme,
10 /* TABP_BODY */,
1 /* NORMAL */,
3821, /* FILLCOLORHINT */
& themeColor
);
wxColour colour(GetRValue(themeColor), GetGValue(themeColor), GetBValue(themeColor));
return colour;
}
}
#endif // wxUSE_UXTHEME
return GetBackgroundColour();
}
// Windows only: attempts to apply the UX theme page background to this page
#if wxUSE_UXTHEME
void wxNotebook::ApplyThemeBackground(wxWindow* window, const wxColour& colour)
#else
void wxNotebook::ApplyThemeBackground(wxWindow*, const wxColour&)
#endif
{
#if wxUSE_UXTHEME
// Don't set the background for buttons since this will
// switch it into ownerdraw mode
if (window->IsKindOf(CLASSINFO(wxButton)) && !window->IsKindOf(CLASSINFO(wxBitmapButton)))
// This is essential, otherwise you'll see dark grey
// corners in the buttons.
((wxButton*)window)->wxControl::SetBackgroundColour(colour);
else if (window->IsKindOf(CLASSINFO(wxStaticText)) ||
window->IsKindOf(CLASSINFO(wxStaticBox)) ||
window->IsKindOf(CLASSINFO(wxStaticLine)) ||
window->IsKindOf(CLASSINFO(wxRadioButton)) ||
window->IsKindOf(CLASSINFO(wxRadioBox)) ||
window->IsKindOf(CLASSINFO(wxCheckBox)) ||
window->IsKindOf(CLASSINFO(wxBitmapButton)) ||
window->IsKindOf(CLASSINFO(wxSlider)) ||
window->IsKindOf(CLASSINFO(wxPanel)) ||
(window->IsKindOf(CLASSINFO(wxNotebook)) && (window != this)) ||
window->IsKindOf(CLASSINFO(wxScrolledWindow))
)
{
window->SetBackgroundColour(colour);
}
for ( wxWindowList::compatibility_iterator node = window->GetChildren().GetFirst(); node; node = node->GetNext() )
{
wxWindow *child = node->GetData();
ApplyThemeBackground(child, colour);
}
#endif
}
long wxNotebook::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
{
static bool g_TestedForTheme = FALSE;
static bool g_UseTheme = FALSE;
switch ( nMsg )
{
case WM_ERASEBKGND:
{
if (!g_TestedForTheme)
{
int commCtrlVersion = wxTheApp->GetComCtl32Version() ;
g_UseTheme = (commCtrlVersion >= 600);
g_TestedForTheme = TRUE;
}
// If using XP themes, it seems we can get away
// with not drawing a background, which reduces flicker.
if (g_UseTheme)
return TRUE;
}
}
return wxControl::MSWWindowProc(nMsg, wParam, lParam);
}
#endif // wxUSE_NOTEBOOK
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