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added scrolling support to wxWindow

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/wxUNIVERSAL@8198 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2000-08-27 17:00:42 +00:00
parent bd9218ba08
commit dac7332cc2
6 changed files with 319 additions and 210 deletions
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89
src/univ/winuniv.cpp
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@@ -33,6 +33,7 @@
#include "wx/window.h"
#include "wx/dcclient.h"
#include "wx/event.h"
#include "wx/scrolbar.h"
#endif // WX_PRECOMP
#include "wx/univ/renderer.h"
@@ -49,6 +50,8 @@
IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
BEGIN_EVENT_TABLE(wxWindow, wxWindowBase)
EVT_SIZE(wxWindow::OnSize)
EVT_PAINT(wxWindow::OnPaint)
EVT_ERASE_BACKGROUND(wxWindow::OnErase)
END_EVENT_TABLE()
@@ -197,6 +200,16 @@ int wxWindow::GetStateFlags() const
// size
// ----------------------------------------------------------------------------
void wxWindow::OnSize(wxSizeEvent& event)
{
if ( m_scrollbarVert || m_scrollbarHorz )
{
PositionScrollbars();
}
event.Skip();
}
wxSize wxWindow::AdjustSize(const wxSize& size) const
{
wxSize sz = size;
@@ -204,36 +217,98 @@ wxSize wxWindow::AdjustSize(const wxSize& size) const
return sz;
}
void wxWindow::DoSetClientSize(int width, int height)
{
// take into account the scrollbars
if ( m_scrollbarVert )
width += m_scrollbarVert->GetSize().x;
if ( m_scrollbarHorz )
height += m_scrollbarHorz->GetSize().y;
wxWindowNative::DoSetClientSize(width, height);
}
void wxWindow::DoGetClientSize(int *width, int *height) const
{
wxWindowNative::DoGetClientSize(width, height);
if ( width && m_scrollbarVert )
*width -= m_scrollbarVert->GetSize().x;
if ( height && m_scrollbarHorz )
*height -= m_scrollbarHorz->GetSize().y;
}
// ----------------------------------------------------------------------------
// scrolling
// scrolling: we implement it entirely ourselves except for ScrollWindow()
// function which is supposed to be (efficiently) implemented by the native
// window class
// ----------------------------------------------------------------------------
void wxWindow::PositionScrollbars()
{
wxCoord x, y;
DoGetSize(&x, &y);
int width = m_scrollbarVert ? m_scrollbarVert->GetSize().x : 0;
int height = m_scrollbarHorz ? m_scrollbarHorz->GetSize().y : 0;
if ( m_scrollbarVert )
m_scrollbarVert->SetSize(x - width, 0, width, y - height);
if ( m_scrollbarHorz )
m_scrollbarHorz->SetSize(0, y - height, x - width, height);
}
void wxWindow::SetScrollbar(int orient,
int pos,
int thumb,
int range,
bool refresh)
{
return wxWindowNative::SetScrollbar(orient, pos, thumb, range, refresh);
wxScrollBar *scrollbar = GetScrollbar(orient);
if ( !scrollbar )
{
// create it
scrollbar = new wxScrollBar(this, -1,
wxDefaultPosition, wxDefaultSize,
orient & wxVERTICAL ? wxSB_VERTICAL
: wxSB_HORIZONTAL);
if ( orient & wxVERTICAL )
m_scrollbarVert = scrollbar;
else
m_scrollbarHorz = scrollbar;
PositionScrollbars();
}
scrollbar->SetScrollbar(pos, thumb, range, thumb, refresh);
}
void wxWindow::SetScrollPos(int orient, int pos, bool refresh)
{
return wxWindowNative::SetScrollPos(orient, pos, refresh);
wxScrollBar *scrollbar = GetScrollbar(orient);
wxCHECK_RET( scrollbar, _T("no scrollbar to set position for") );
scrollbar->SetThumbPosition(pos);
if ( refresh )
Refresh();
}
int wxWindow::GetScrollPos(int orient) const
{
return wxWindowNative::GetScrollPos(orient);
wxScrollBar *scrollbar = GetScrollbar(orient);
return scrollbar ? scrollbar->GetThumbPosition() : 0;
}
int wxWindow::GetScrollThumb(int orient) const
{
return wxWindowNative::GetScrollThumb(orient);
wxScrollBar *scrollbar = GetScrollbar(orient);
return scrollbar ? scrollbar->GetThumbSize() : 0;
}
int wxWindow::GetScrollRange(int orient) const
{
return wxWindowNative::GetScrollRange(orient);
wxScrollBar *scrollbar = GetScrollbar(orient);
return scrollbar ? scrollbar->GetRange() : 0;
}