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1. wxMSW::wxNotebook::SetPageSize() and SetPadding() added

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2. wxNavigationKeyEvent changes:
 a) doesn't derive from wxCommandEvent any more
 b) has a new ShouldPropagate() accessor
 c) wxPanel::OnNavigationKey() changed significantly, beware


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5605 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2000-01-23 03:05:24 +00:00
parent 4c30035625
commit d9506e7758
5 changed files with 312 additions and 103 deletions
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263
src/generic/panelg.cpp
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@@ -1,7 +1,7 @@
/////////////////////////////////////////////////////////////////////////////
// Name: panelg.cpp
// Purpose: wxPanel
// Author: Julian Smart
// Name: src/generic/panelg.cpp
// Purpose: wxPanel and the keyboard handling code
// Author: Julian Smart, Robert Roebling, Vadim Zeitlin
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
@@ -9,27 +9,39 @@
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
#pragma implementation "panelg.h"
#pragma implementation "panelg.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/object.h"
#include "wx/font.h"
#include "wx/colour.h"
#include "wx/settings.h"
#include "wx/log.h"
#include "wx/object.h"
#include "wx/font.h"
#include "wx/colour.h"
#include "wx/settings.h"
#include "wx/log.h"
#endif
#include "wx/generic/panelg.h"
// ----------------------------------------------------------------------------
// wxWin macros
// ----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxPanel, wxWindow)
BEGIN_EVENT_TABLE(wxPanel, wxWindow)
@@ -39,6 +51,13 @@ BEGIN_EVENT_TABLE(wxPanel, wxWindow)
EVT_SIZE(wxPanel::OnSize)
END_EVENT_TABLE()
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// wxPanel creation
// ----------------------------------------------------------------------------
void wxPanel::Init()
{
@@ -63,7 +82,11 @@ bool wxPanel::Create(wxWindow *parent, wxWindowID id,
return ret;
}
void wxPanel::InitDialog(void)
// ----------------------------------------------------------------------------
// misc
// ----------------------------------------------------------------------------
void wxPanel::InitDialog()
{
wxInitDialogEvent event(GetId());
event.SetEventObject(this);
@@ -80,81 +103,147 @@ void wxPanel::OnSysColourChanged(wxSysColourChangedEvent& event)
wxWindow::OnSysColourChanged(event);
}
void wxPanel::OnSize(wxSizeEvent& WXUNUSED(event))
{
#if wxUSE_CONSTRAINTS
if (GetAutoLayout())
Layout();
#endif
}
// ----------------------------------------------------------------------------
// Keyboard handling - this is the place where the TAB traversal logic is
// implemented. As this code is common to all ports, this ensures consistent
// behaviour even if we don't specify how exactly the wxNavigationKeyEvent are
// generated and this is done in platform specific code which also ensures that
// we can follow the given platform standards.
// ----------------------------------------------------------------------------
void wxPanel::OnNavigationKey( wxNavigationKeyEvent& event )
{
// there is not much to do if we have only one child (or not at all)
if (GetChildren().GetCount() < 2)
// there is not much to do if we have only one child (or not at all) and
// we're not interested in "notebook page change" events here
if ( (GetChildren().GetCount() < 2) || event.IsWindowChange() )
{
event.Skip();
wxWindow *parent = GetParent();
if ( !parent || !parent->GetEventHandler()->ProcessEvent(event) )
{
event.Skip();
}
return;
}
// don't process these ones here
if (event.IsWindowChange())
{
event.Skip();
return;
}
// where are we going?
bool forward = event.GetDirection();
// Did the event emitter tell us where the last focus was?
// wxGTK does this in wxWindow, but wxMSW does not. It is
// also done in wxPanel if the event is propagated up.
// the node of the children list from which we should start looking for the
// next acceptable child
wxWindowList::Node *node, *start_node;
// the event is propagated downwards if the event emitter was our parent
bool goingDown = event.GetEventObject() == GetParent();
const wxWindowList& children = GetChildren();
// we should start from the first/last control and not from the one which
// had focus the last time if we're propagating the event downwards because
// for our parent we look like a single control
if ( goingDown )
{
// just to be sure it's not used (normally this is not necessary, but
// doesn't hurt neither)
m_winLastFocused = (wxWindow *)NULL;
// start from first or last depending on where we're going
node = forward ? children.GetFirst() : children.GetLast();
// we want to cycle over all nodes
start_node = (wxWindowList::Node *)NULL;
}
else
{
// try to find the child which has the focus currently
// the event emitter might have done this for us
wxWindow *winFocus = event.GetCurrentFocus();
// Do we know where the focus was ourselves, then?
if (!winFocus)
winFocus = m_winLastFocused;
// but if not, we might know where the focus was ourselves
if (!winFocus)
winFocus = m_winLastFocused;
if (!winFocus)
winFocus = wxWindow::FindFocus();
// if still no luck, do it the hard way
if (!winFocus)
winFocus = wxWindow::FindFocus();
if (!winFocus)
{
event.Skip();
return;
if ( winFocus )
{
// ok, we found the focus - now is it our child?
start_node = children.Find( winFocus );
}
else
{
start_node = (wxWindowList::Node *)NULL;
}
if ( !start_node && m_winLastFocused )
{
// window which has focus isn't our child, fall back to the one
// which had the focus the last time
start_node = children.Find( m_winLastFocused );
}
// if we still didn't find anything, we should start with the first one
if ( !start_node )
{
start_node = children.GetFirst();
}
// and the first child which we can try setting focus to is the next or
// the previous one
node = forward ? start_node->GetNext() : start_node->GetPrevious();
}
wxWindowList::Node *start_node = GetChildren().Find( winFocus );
if ( !start_node )
start_node = GetChildren().Find( m_winLastFocused );
if ( !start_node )
start_node = GetChildren().GetFirst();
wxWindowList::Node *node = event.GetDirection() ? start_node->GetNext()
: start_node->GetPrevious();
// we want to cycle over all elements passing by NULL
while ( node != start_node )
{
// Have we come to the last or first item on the panel?
if ( !node )
{
// Check if our (may be grand) parent is another panel: if this is
// the case, they will know what to do with this navigation key and
// so give them the chance to process it instead of looping inside
// this panel (normally, the focus will go to the next/previous
// item after this panel in the parent panel).
wxWindow *focussed_child_of_parent = this;
for ( wxWindow *parent = GetParent(); parent; parent = parent->GetParent() )
if ( !goingDown )
{
// we don't want to tab into a different dialog or frame
if ( focussed_child_of_parent->IsTopLevel() )
break;
// is the parent a panel?
wxPanel *panel = wxDynamicCast(parent, wxPanel);
if (panel)
// Check if our (may be grand) parent is another panel: if this
// is the case, they will know what to do with this navigation
// key and so give them the chance to process it instead of
// looping inside this panel (normally, the focus will go to
// the next/previous item after this panel in the parent
// panel).
wxWindow *focussed_child_of_parent = this;
for ( wxWindow *parent = GetParent();
parent;
parent = parent->GetParent() )
{
event.SetCurrentFocus( focussed_child_of_parent );
if (parent->GetEventHandler()->ProcessEvent( event ))
return;
}
// we don't want to tab into a different dialog or frame
if ( focussed_child_of_parent->IsTopLevel() )
break;
focussed_child_of_parent = parent;
// is the parent a panel?
wxPanel *panel = wxDynamicCast(parent, wxPanel);
if (panel)
{
event.SetCurrentFocus( focussed_child_of_parent );
if (parent->GetEventHandler()->ProcessEvent( event ))
return;
}
focussed_child_of_parent = parent;
}
}
//else: as the focus came from our parent, we definitely don't want
// to send it back to it!
// no, we are not inside another panel so process this ourself
node = event.GetDirection() ? GetChildren().GetFirst()
: GetChildren().GetLast();
node = forward ? children.GetFirst() : children.GetLast();
continue;
}
@@ -164,11 +253,36 @@ void wxPanel::OnNavigationKey( wxNavigationKeyEvent& event )
if ( child->AcceptsFocus() )
{
m_winLastFocused = child; // should be redundant, but it is not
child->SetFocus();
// if we're setting the focus to a child panel we should prevent it
// from giving it to the child which had the focus the last time
// and instead give it to the first/last child depending from which
// direction we're coming
wxPanel *subpanel = wxDynamicCast(child, wxPanel);
if ( subpanel )
{
// trick the panel into thinking that it got the navigation
// event - instead of duplicating all the code here
//
// make sure that we do trick it by setting all the parameters
// correctly (consistently with the code in this very function
// above) and that it starts from the very beginning/end by
// using SetLastFocus(NULL)
subpanel->SetLastFocus((wxWindow *)NULL);
}
event.SetEventObject(this);
if ( !child->GetEventHandler()->ProcessEvent(event) )
{
// everything is simple: just give focus to it
child->SetFocus();
}
//else: the child manages its focus itself
return;
}
node = event.GetDirection() ? node->GetNext() : node->GetPrevious();
node = forward ? node->GetNext() : node->GetPrevious();
}
// we cycled through all of our children and none of them wanted to accept
@@ -176,15 +290,6 @@ void wxPanel::OnNavigationKey( wxNavigationKeyEvent& event )
event.Skip();
}
void wxPanel::OnSize(wxSizeEvent& WXUNUSED(event))
{
#if wxUSE_CONSTRAINTS
if (GetAutoLayout())
Layout();
#endif
}
void wxPanel::SetFocus()
{
wxLogTrace(_T("focus"), _T("SetFocus on wxPanel 0x%08x."), GetHandle());
@@ -205,7 +310,15 @@ void wxPanel::SetFocus()
// current notebook page, not the last one which would otherwise get the
// focus if you used the tab key to navigate from the current notebook
// page to button at the bottom. See every page in the controls sample.
//
// VZ: ok, but this still doesn't (at least I don't see how it can) take
// care of first/last child problem: i.e. if Shift-TAB is pressed in a
// situation like above, the focus should be given to the last child,
// not the first one (and not to the last focused one neither) - I
// think my addition to OnNavigationKey() above takes care of it.
// Keeping #ifdef __WXGTK__ for now, but please try removing it and see
// what happens.
#ifdef __WXGTK__
m_winLastFocused = (wxWindow *)NULL;
#endif // 0
@@ -221,7 +334,7 @@ void wxPanel::OnFocus(wxFocusEvent& event)
wxLogTrace(_T("focus"), _T("OnFocus on wxPanel 0x%08x."), GetHandle());
// If the panel gets the focus *by way of getting clicked on*
// we move the focus to either the last window that had the
// we move the focus to either the last window that had the
// focus or the first one that can get it.
(void)SetFocusToChild();