wxWidgets/include/wx/msw/notebook.h
Vadim Zeitlin 617a15d418 Improve wxNotebook themed background drawing
Use GetThemeBackgroundContentRect() to properly draw the themed notebook
background in all configurations.

Closes #18156.
2018-08-18 15:44:43 +02:00

213 lines
6.7 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/msw/notebook.h
// Purpose: MSW/GTK compatible notebook (a.k.a. property sheet)
// Author: Robert Roebling
// Modified by: Vadim Zeitlin for Windows version
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _NOTEBOOK_H
#define _NOTEBOOK_H
#if wxUSE_NOTEBOOK
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/control.h"
// ----------------------------------------------------------------------------
// wxNotebook
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxNotebook : public wxNotebookBase
{
public:
// ctors
// -----
// default for dynamic class
wxNotebook();
// the same arguments as for wxControl (@@@ any special styles?)
wxNotebook(wxWindow *parent,
wxWindowID id,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxString& name = wxNotebookNameStr);
// Create() function
bool Create(wxWindow *parent,
wxWindowID id,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxString& name = wxNotebookNameStr);
virtual ~wxNotebook();
// accessors
// ---------
// get number of pages in the dialog
virtual size_t GetPageCount() const wxOVERRIDE;
// set the currently selected page, return the index of the previously
// selected one (or wxNOT_FOUND on error)
// NB: this function will _not_ generate wxEVT_NOTEBOOK_PAGE_xxx events
int SetSelection(size_t nPage) wxOVERRIDE;
// changes selected page without sending events
int ChangeSelection(size_t nPage) wxOVERRIDE;
// set/get the title of a page
bool SetPageText(size_t nPage, const wxString& strText) wxOVERRIDE;
wxString GetPageText(size_t nPage) const wxOVERRIDE;
// image list stuff: each page may have an image associated with it. All
// the images belong to an image list, so you have to
// 1) create an image list
// 2) associate it with the notebook
// 3) set for each page it's image
// associate image list with a control
void SetImageList(wxImageList* imageList) wxOVERRIDE;
// sets/returns item's image index in the current image list
int GetPageImage(size_t nPage) const wxOVERRIDE;
bool SetPageImage(size_t nPage, int nImage) wxOVERRIDE;
// currently it's always 1 because wxGTK doesn't support multi-row
// tab controls
int GetRowCount() const wxOVERRIDE;
// control the appearance of the notebook pages
// set the size (the same for all pages)
void SetPageSize(const wxSize& size) wxOVERRIDE;
// set the padding between tabs (in pixels)
void SetPadding(const wxSize& padding) wxOVERRIDE;
// operations
// ----------
// remove all pages
bool DeleteAllPages() wxOVERRIDE;
// inserts a new page to the notebook (it will be deleted ny the notebook,
// don't delete it yourself). If bSelect, this page becomes active.
bool InsertPage(size_t nPage,
wxNotebookPage *pPage,
const wxString& strText,
bool bSelect = false,
int imageId = NO_IMAGE) wxOVERRIDE;
// Windows-only at present. Also, you must use the wxNB_FIXEDWIDTH
// style.
void SetTabSize(const wxSize& sz) wxOVERRIDE;
// hit test
virtual int HitTest(const wxPoint& pt, long *flags = NULL) const wxOVERRIDE;
// calculate the size of the notebook from the size of its page
virtual wxSize CalcSizeFromPage(const wxSize& sizePage) const wxOVERRIDE;
// callbacks
// ---------
void OnSize(wxSizeEvent& event);
void OnNavigationKey(wxNavigationKeyEvent& event);
// base class virtuals
// -------------------
virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) wxOVERRIDE;
virtual bool MSWOnScroll(int orientation, WXWORD nSBCode,
WXWORD pos, WXHWND control) wxOVERRIDE;
#if wxUSE_CONSTRAINTS
virtual void SetConstraintSizes(bool recurse = true) wxOVERRIDE;
virtual bool DoPhase(int nPhase) wxOVERRIDE;
#endif // wxUSE_CONSTRAINTS
// Attempts to get colour for UX theme page background
wxColour GetThemeBackgroundColour() const wxOVERRIDE;
// implementation only
// -------------------
#if wxUSE_UXTHEME
virtual bool SetBackgroundColour(const wxColour& colour) wxOVERRIDE
{
if ( !wxNotebookBase::SetBackgroundColour(colour) )
return false;
UpdateBgBrush();
return true;
}
// draw child background
virtual bool MSWPrintChild(WXHDC hDC, wxWindow *win) wxOVERRIDE;
virtual bool MSWHasInheritableBackground() const wxOVERRIDE { return true; }
#endif // wxUSE_UXTHEME
// translate wxWin styles to the Windows ones
virtual WXDWORD MSWGetStyle(long flags, WXDWORD *exstyle = NULL) const wxOVERRIDE;
protected:
// common part of all ctors
void Init();
// hides the currently shown page and shows the given one (if not -1) and
// updates m_selection accordingly
void UpdateSelection(int selNew);
// remove one page from the notebook, without deleting
virtual wxNotebookPage *DoRemovePage(size_t nPage) wxOVERRIDE;
// get the page rectangle for the current notebook size
//
// returns empty rectangle if an error occurs, do test for it
wxRect GetPageSize() const;
// set the size of the given page to fit in the notebook
void AdjustPageSize(wxNotebookPage *page);
#if wxUSE_UXTHEME
virtual void MSWAdjustBrushOrg(int *xOrg, int* yOrg) const wxOVERRIDE
{
*xOrg -= m_bgBrushAdj.x;
*yOrg -= m_bgBrushAdj.y;
}
// return the themed brush for painting our children
virtual WXHBRUSH MSWGetCustomBgBrush() wxOVERRIDE { return m_hbrBackground; }
// gets the bitmap of notebook background and returns a brush from it and
// sets m_bgBrushAdj
WXHBRUSH QueryBgBitmap();
// creates the brush to be used for drawing the tab control background
void UpdateBgBrush();
#endif // wxUSE_UXTHEME
// these function are used for reducing flicker on notebook resize
void OnEraseBackground(wxEraseEvent& event);
void OnPaint(wxPaintEvent& event);
// true if we have already subclassed our updown control
bool m_hasSubclassedUpdown;
#if wxUSE_UXTHEME
// background brush used to paint the tab control
WXHBRUSH m_hbrBackground;
// offset for MSWAdjustBrushOrg()
wxPoint m_bgBrushAdj;
#endif // wxUSE_UXTHEME
wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxNotebook);
wxDECLARE_EVENT_TABLE();
};
#endif // wxUSE_NOTEBOOK
#endif // _NOTEBOOK_H