#include "wx/msw/private.h"
#include "wx/evtloop.h"
-#include "wx/ptr_scpd.h"
+#include "wx/scopedptr.h"
#if defined(__SMARTPHONE__) && defined(__WXWINCE__)
#include "wx/msw/wince/resources.h"
void wxDialog::Init()
{
- m_oldFocus = (wxWindow *)NULL;
m_isShown = false;
m_modalData = NULL;
- m_endModalCalled = false;
#if wxUSE_TOOLBAR && defined(__POCKETPC__)
m_dialogToolBar = NULL;
#endif
+#if wxUSE_DIALOG_SIZEGRIP
m_hGripper = 0;
+#endif // wxUSE_DIALOG_SIZEGRIP
}
bool wxDialog::Create(wxWindow *parent,
{
SetExtraStyle(GetExtraStyle() | wxTOPLEVEL_EX_DIALOG);
- // save focus before doing anything which can potentially change it
- m_oldFocus = FindFocus();
-
// All dialogs should really have this style
style |= wxTAB_TRAVERSAL;
CreateToolBar();
#endif
- if( HasFlag(wxRESIZE_BORDER) )
+#if wxUSE_DIALOG_SIZEGRIP
+ if ( HasFlag(wxRESIZE_BORDER) )
+ {
CreateGripper();
+ Connect(wxEVT_CREATE,
+ wxWindowCreateEventHandler(wxDialog::OnWindowCreate));
+ }
+#endif // wxUSE_DIALOG_SIZEGRIP
+
return true;
}
wxDialog::~wxDialog()
{
- m_isBeingDeleted = true;
-
// this will also reenable all the other windows for a modal dialog
Show(false);
+#if wxUSE_DIALOG_SIZEGRIP
DestroyGripper();
+#endif // wxUSE_DIALOG_SIZEGRIP
}
// ----------------------------------------------------------------------------
// showing the dialogs
// ----------------------------------------------------------------------------
-wxWindow *wxDialog::FindSuitableParent() const
-{
- // first try to use the currently active window
- HWND hwndFg = ::GetForegroundWindow();
- wxWindow *parent = hwndFg ? wxFindWinFromHandle((WXHWND)hwndFg)
- : NULL;
- if ( !parent )
- {
- // next try the main app window
- parent = wxTheApp->GetTopWindow();
- }
-
- // finally, check if the parent we found is really suitable
- if ( !parent || parent == (wxWindow *)this || !parent->IsShown() )
- {
- // don't use this one
- parent = NULL;
- }
-
- return parent;
-}
-
bool wxDialog::Show(bool show)
{
if ( show == IsShown() )
if ( show )
{
- // dialogs don't get WM_SIZE message after creation unlike most (all?)
- // other windows and so could start their life non laid out correctly
- // if we didn't call Layout() from here
+ // dialogs don't get WM_SIZE message from ::ShowWindow() for some
+ // reason so generate it ourselves for consistency with frames and
+ // dialogs in other ports
//
// NB: normally we should call it just the first time but doing it
// every time is simpler than keeping a flag
- Layout();
+ const wxSize size = GetClientSize();
+ ::SendMessage(GetHwnd(), WM_SIZE,
+ SIZE_RESTORED, MAKELPARAM(size.x, size.y));
}
return true;
// show dialog modally
int wxDialog::ShowModal()
{
- wxASSERT_MSG( !IsModal(), _T("wxDialog::ShowModal() reentered?") );
-
- m_endModalCalled = false;
+ wxASSERT_MSG( !IsModal(), wxT("ShowModal() can't be called twice") );
Show();
// EndModal may have been called from InitDialog handler (called from
- // inside Show()), which would cause an infinite loop if we didn't take it
- // into account
- if ( !m_endModalCalled )
+ // inside Show()) and hidden the dialog back again
+ if ( IsShown() )
{
- // modal dialog needs a parent window, so try to find one
- wxWindow *parent = GetParent();
- if ( !parent )
- {
- parent = FindSuitableParent();
- }
-
- // remember where the focus was
- wxWindow *oldFocus = m_oldFocus;
- if ( !oldFocus )
- {
- // VZ: do we really want to do this?
- oldFocus = parent;
- }
-
- // We have to remember the HWND because we need to check
- // the HWND still exists (oldFocus can be garbage when the dialog
- // exits, if it has been destroyed)
- HWND hwndOldFocus = oldFocus ? GetHwndOf(oldFocus) : NULL;
-
-
// enter and run the modal loop
- {
- wxDialogModalDataTiedPtr modalData(&m_modalData,
- new wxDialogModalData(this));
- modalData->RunLoop();
- }
-
-
- // and restore focus
- // Note that this code MUST NOT access the dialog object's data
- // in case the object has been deleted (which will be the case
- // for a modal dialog that has been destroyed before calling EndModal).
- if ( oldFocus && (oldFocus != this) && ::IsWindow(hwndOldFocus))
- {
- // This is likely to prove that the object still exists
- if (wxFindWinFromHandle((WXHWND) hwndOldFocus) == oldFocus)
- oldFocus->SetFocus();
- }
+ wxDialogModalDataTiedPtr modalData(&m_modalData,
+ new wxDialogModalData(this));
+ modalData->RunLoop();
}
return GetReturnCode();
void wxDialog::EndModal(int retCode)
{
- wxASSERT_MSG( IsModal(), _T("EndModal() called for non modal dialog") );
+ wxASSERT_MSG( IsModal(), wxT("EndModal() called for non modal dialog") );
- m_endModalCalled = true;
SetReturnCode(retCode);
Hide();
// wxDialog gripper handling
// ----------------------------------------------------------------------------
+#if wxUSE_DIALOG_SIZEGRIP
+
void wxDialog::SetWindowStyleFlag(long style)
{
wxDialogBase::SetWindowStyleFlag(style);
- if( HasFlag(wxRESIZE_BORDER) )
+ if ( HasFlag(wxRESIZE_BORDER) )
CreateGripper();
else
DestroyGripper();
void wxDialog::CreateGripper()
{
- if( !m_hGripper )
+ if ( !m_hGripper )
{
+ // just create it here, it will be positioned and shown later
m_hGripper = (WXHWND)::CreateWindow
(
wxT("SCROLLBAR"),
wxT(""),
- WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS |
+ WS_CHILD |
+ WS_CLIPSIBLINGS |
SBS_SIZEGRIP |
SBS_SIZEBOX |
SBS_SIZEBOXBOTTOMRIGHTALIGN,
wxGetInstance(),
NULL
);
-
- // position the gripper correctly after creation
- ResizeGripper();
}
}
{
if ( m_hGripper )
{
+ // we used to have trouble with gripper appearing on top (and hence
+ // overdrawing) the other, real, dialog children -- check that this
+ // isn't the case automatically (but notice that this could be false if
+ // we're not shown at all as in this case ResizeGripper() might not
+ // have been called yet)
+ wxASSERT_MSG( !IsShown() ||
+ ::GetWindow((HWND)m_hGripper, GW_HWNDNEXT) == 0,
+ wxT("Bug in wxWidgets: gripper should be at the bottom of Z-order") );
::DestroyWindow((HWND) m_hGripper);
m_hGripper = 0;
}
void wxDialog::ShowGripper(bool show)
{
- wxASSERT_MSG( m_hGripper, _T("shouldn't be called if we have no gripper") );
+ wxASSERT_MSG( m_hGripper, wxT("shouldn't be called if we have no gripper") );
+
+ if ( show )
+ ResizeGripper();
::ShowWindow((HWND)m_hGripper, show ? SW_SHOW : SW_HIDE);
}
void wxDialog::ResizeGripper()
{
- wxASSERT_MSG( m_hGripper, _T("shouldn't be called if we have no gripper") );
+ wxASSERT_MSG( m_hGripper, wxT("shouldn't be called if we have no gripper") );
HWND hwndGripper = (HWND)m_hGripper;
SWP_NOACTIVATE);
}
+void wxDialog::OnWindowCreate(wxWindowCreateEvent& event)
+{
+ if ( m_hGripper && IsShown() &&
+ event.GetWindow() && event.GetWindow()->GetParent() == this )
+ {
+ // Put gripper below the newly created child window
+ ::SetWindowPos((HWND)m_hGripper, HWND_BOTTOM, 0, 0, 0, 0,
+ SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE);
+ }
+
+ event.Skip();
+}
+
+#endif // wxUSE_DIALOG_SIZEGRIP
+
// ----------------------------------------------------------------------------
// wxWin event handlers
// ----------------------------------------------------------------------------
break;
case WM_SIZE:
+#if wxUSE_DIALOG_SIZEGRIP
if ( m_hGripper )
{
switch ( wParam )
case SIZE_RESTORED:
ShowGripper(true);
- // fall through
-
- default:
- ResizeGripper();
}
}
+#endif // wxUSE_DIALOG_SIZEGRIP
// the Windows dialogs unfortunately are not meant to be resizeable
// at all and their standard class doesn't include CS_[VH]REDRAW
projects / wxWidgets.git / blobdiff