/////////////////////////////////////////////////////////////////////////////
// Name: dialog.cpp
// Purpose: wxDialog class
-// Author: AUTHOR
+// Author: David Webster
// Modified by:
-// Created: ??/??/98
+// Created: 10/14/99
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
-// Licence: wxWindows licence
+// Copyright: (c) David Webster
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx.h".
#include "wx/os2/private.h"
#include "wx/log.h"
-#if wxUSE_COMMON_DIALOGS
-#include <commdlg.h>
-#endif
-
#define wxDIALOG_DEFAULT_X 300
#define wxDIALOG_DEFAULT_Y 300
+#define wxDIALOG_DEFAULT_WIDTH 500
+#define wxDIALOG_DEFAULT_HEIGHT 500
+
// Lists to keep track of windows, so we can disable/enable them
// for modal dialogs
wxWindowList wxModalDialogs;
wxWindowList wxModelessWindows; // Frames and modeless dialogs
extern wxList WXDLLEXPORT wxPendingDelete;
-#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxPanel)
BEGIN_EVENT_TABLE(wxDialog, wxPanel)
EVT_SYS_COLOUR_CHANGED(wxDialog::OnSysColourChanged)
EVT_CLOSE(wxDialog::OnCloseWindow)
END_EVENT_TABLE()
-#endif
-wxDialog::wxDialog()
+void wxDialog::Init()
{
+ m_pOldFocus = (wxWindow *)NULL;
m_isShown = FALSE;
- m_modalShowing = FALSE;
-
+ m_pWindowDisabler = (wxWindowDisabler *)NULL;
SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
-}
-
-bool wxDialog::Create(wxWindow *parent, wxWindowID id,
- const wxString& title,
- const wxPoint& pos,
- const wxSize& size,
- long style,
- const wxString& name)
+} // end of wxDialog::Init
+
+bool wxDialog::Create(
+ wxWindow* pParent
+, wxWindowID vId
+, const wxString& rsTitle
+, const wxPoint& rPos
+, const wxSize& rSize
+, long lStyle
+, const wxString& rsName
+)
{
-#if wxUSE_TOOLTIPS
- m_hwndToolTip = 0;
-#endif
-
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
- SetName(name);
-
- if (!parent)
- wxTopLevelWindows.Append(this);
-
- if (parent) parent->AddChild(this);
-
- if ( id == -1 )
- m_windowId = (int)NewControlId();
+ long lX = rPos.x;
+ long lY = rPos.y;
+ long lWidth = rSize.x;
+ long lHeight = rSize.y;
+ const char* zDlg;
+ WXDWORD dwExtendedStyle = 0L;
+ HWND hWnd;
+
+ Init();
+ m_pOldFocus = (wxWindow*)FindFocus();
+ SetName(rsName);
+ wxTopLevelWindows.Append(this);
+ if (pParent)
+ pParent->AddChild(this);
+ if (vId == -1)
+ m_windowId = NewControlId();
else
- m_windowId = id;
-
- int x = pos.x;
- int y = pos.y;
- int width = size.x;
- int height = size.y;
-
- if (x < 0) x = wxDIALOG_DEFAULT_X;
- if (y < 0) y = wxDIALOG_DEFAULT_Y;
-
- m_windowStyle = style;
-
- m_isShown = FALSE;
- m_modalShowing = FALSE;
-
- if (width < 0)
- width = 500;
- if (height < 0)
- height = 500;
-
- // TODO: convert below to OS/2 PM code
-
+ m_windowId = vId;
+ if (lX < 0)
+ lX = wxDIALOG_DEFAULT_X;
+ if (lY < 0)
+ lY = wxDIALOG_DEFAULT_Y;
+ m_windowStyle = lStyle;
+ if (lWidth < 0)
+ lWidth = wxDIALOG_DEFAULT_WIDTH;
+ if (lHeight < 0)
+ lHeight = wxDIALOG_DEFAULT_HEIGHT;
+
+ //
// All dialogs should really have this style
-// m_windowStyle |= wxTAB_TRAVERSAL;
-//
-// WXDWORD extendedStyle = MakeExtendedStyle(m_windowStyle);
-// if (m_windowStyle & wxSTAY_ON_TOP)
-// extendedStyle |= WS_EX_TOPMOST;
-//
+ //
+ m_windowStyle |= wxTAB_TRAVERSAL;
+
+ //
// Allows creation of dialogs with & without captions under MSWindows,
// resizeable or not (but a resizeable dialog always has caption -
// otherwise it would look too strange)
-// const wxChar *dlg;
-// if ( style & wxRESIZE_BORDER )
-// dlg = wxT("wxResizeableDialog");
-// else if ( style & wxCAPTION )
-// dlg = wxT("wxCaptionDialog");
-// else
-// dlg = wxT("wxNoCaptionDialog");
-// MSWCreate(m_windowId, parent, NULL, this, NULL,
-// x, y, width, height,
-// 0, // style is not used if we have dlg template
-// dlg,
-// extendedStyle);
-//
-// HWND hwnd = (HWND)GetHWND();
-//
-// if ( !hwnd )
-// {
-// wxLogError(wxT("Failed to create dialog."));
-//
-// return FALSE;
-// }
-//
-// SubclassWin(GetHWND());
-//
-// SetWindowText(hwnd, title);
-// SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
-//
+ //
+ if (lStyle & wxRESIZE_BORDER )
+ zDlg = "wxResizeableDialog";
+ else if (lStyle & wxCAPTION )
+ zDlg = "wxCaptionDialog";
+ else
+ zDlg = "wxNoCaptionDialog";
+ OS2Create( GetWinHwnd(pParent)
+ ,NULL
+ ,rsTitle.c_str()
+ ,0L
+ ,lX
+ ,lY
+ ,lWidth
+ ,lHeight
+ ,GetWinHwnd(pParent)
+ ,HWND_TOP
+ ,(long)m_windowId
+ ,NULL
+ ,NULL
+ );
+ hWnd = (HWND)GetHWND();
+ if (!hWnd)
+ {
+ return FALSE;
+ }
+ SubclassWin(GetHWND());
+ ::WinSetWindowText( hWnd
+ ,(PSZ)rsTitle.c_str()
+ );
+ SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
return TRUE;
-}
+} // end of wxDialog::Create
-void wxDialog::SetModal(bool flag)
+void wxDialog::SetModal(
+ bool bFlag
+)
{
- if ( flag )
+ if (bFlag)
m_windowStyle |= wxDIALOG_MODAL ;
else if ( m_windowStyle & wxDIALOG_MODAL )
m_windowStyle -= wxDIALOG_MODAL ;
wxModelessWindows.DeleteObject(this);
- if (!flag)
+ if (!bFlag)
wxModelessWindows.Append(this);
-}
+} // end of wxDialog::SetModal
wxDialog::~wxDialog()
{
m_isBeingDeleted = TRUE;
-
wxTopLevelWindows.DeleteObject(this);
-
Show(FALSE);
-
- if (m_modalShowing)
- {
- if (GetParent() && GetParent()->GetHWND())
- // TODO: bring the parent to the top
- return;
- }
-
- m_modalShowing = FALSE;
- if ( (GetWindowStyleFlag() & wxDIALOG_MODAL) != wxDIALOG_MODAL )
+ if (!IsModal())
wxModelessWindows.DeleteObject(this);
-
+ //
// If this is the last top-level window, exit.
+ //
if (wxTheApp && (wxTopLevelWindows.Number() == 0))
{
- wxTheApp->SetTopWindow(NULL);
+ wxTheApp->SetTopWindow(NULL);
- if (wxTheApp->GetExitOnFrameDelete())
- {
- // TODO: exit
- }
+ if (wxTheApp->GetExitOnFrameDelete())
+ {
+ ::WinPostMsg(GetHwnd(), WM_QUIT, 0, 0);
+ }
}
-}
+} // end of wxDialog::~wxDialog
+//
// By default, pressing escape cancels the dialog
-void wxDialog::OnCharHook(wxKeyEvent& event)
+//
+void wxDialog::OnCharHook(
+ wxKeyEvent& rEvent
+)
{
if (GetHWND())
{
- if (event.m_keyCode == WXK_ESCAPE)
+ if (rEvent.m_keyCode == WXK_ESCAPE)
{
+ //
// Behaviour changed in 2.0: we'll send a Cancel message
// to the dialog instead of Close.
- wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
- cancelEvent.SetEventObject( this );
- GetEventHandler()->ProcessEvent(cancelEvent);
-
+ //
+ wxCommandEvent vCancelEvent( wxEVT_COMMAND_BUTTON_CLICKED
+ ,wxID_CANCEL
+ );
+
+ vCancelEvent.SetEventObject( this );
+ GetEventHandler()->ProcessEvent(vCancelEvent);
+
+ //
+ // Ensure that there is another message for this window so the
+ // ShowModal loop will exit and won't get stuck in GetMessage().
+ //
+ ::WinPostMsg(GetHwnd(), WM_NULL, 0, 0);
return;
}
}
// We didn't process this event.
- event.Skip();
-}
-
-void wxDialog::OnPaint(wxPaintEvent& event)
-{
- // No: if you call the default procedure, it makes
- // the following painting code not work.
-// wxWindow::OnPaint(event);
-}
-
-void wxDialog::Fit()
-{
- wxWindow::Fit();
+ rEvent.Skip();
}
-void wxDialog::Iconize(bool WXUNUSED(iconize))
+void wxDialog::Iconize(
+ bool WXUNUSED(bIconize)
+)
{
- // Windows dialog boxes can't be iconized
-}
+} // end of wxDialog::Iconize
bool wxDialog::IsIconized() const
{
return FALSE;
-}
+} // end of wxDialog::IsIconized
-void wxDialog::DoSetClientSize(int width, int height)
+void wxDialog::DoSetClientSize(
+ int nWidth
+, int nHeight
+)
{
- // TODO: Convert the below to OS/2 PM code
-
-// HWND hWnd = (HWND) GetHWND();
-// RECT rect;
-// ::GetClientRect(hWnd, &rect);
-//
-// RECT rect2;
-// GetWindowRect(hWnd, &rect2);
-//
- // Find the difference between the entire window (title bar and all)
- // and the client area; add this to the new client size to move the
- // window
-// int actual_width = rect2.right - rect2.left - rect.right + width;
-// int actual_height = rect2.bottom - rect2.top - rect.bottom + height;
-
-// MoveWindow(hWnd, rect2.left, rect2.top, actual_width, actual_height, TRUE);
-//
-// wxSizeEvent event(wxSize(actual_width, actual_height), m_windowId);
-// event.SetEventObject( this );
-// GetEventHandler()->ProcessEvent(event);
-}
-void wxDialog::GetPosition(int *x, int *y) const
+ HWND hWnd = (HWND) GetHWND();
+ RECTL vRect;
+ RECTL vRect2;
+
+ ::WinQueryWindowRect(hWnd, &vRect);
+ ::WinQueryWindowRect(hWnd, &vRect2);
+
+ LONG lActualWidth = vRect2.xRight - vRect2.xLeft - vRect.xRight + nWidth;
+ LONG lActualHeight = vRect2.yTop + vRect2.yTop - vRect.yTop + nHeight;
+
+ ::WinSetWindowPos( GetHwnd()
+ ,HWND_TOP
+ ,(LONG)vRect2.xLeft
+ ,(LONG)vRect2.yTop
+ ,(LONG)lActualWidth
+ ,(LONG)lActualHeight
+ ,SWP_SIZE | SWP_MOVE
+ );
+
+ wxSizeEvent vEvent( wxSize( lActualWidth
+ ,lActualHeight
+ )
+ ,m_windowId
+ );
+
+ vEvent.SetEventObject( this );
+ GetEventHandler()->ProcessEvent(vEvent);
+} // end of wxDialog::DoSetClientSize
+
+void wxDialog::DoGetPosition(
+ int* pnX
+, int* pnY
+) const
{
- // TODO: Convert
-// HWND hWnd = (HWND) GetHWND();
-// RECT rect;
-// GetWindowRect(hWnd, &rect);
-
-// *x = rect.left;
-// *y = rect.top;
-}
+ RECTL vRect;
-bool wxDialog::IsShown() const
-{
- return m_isShown;
-}
+ ::WinQueryWindowRect(GetHwnd(), &vRect);
+ if (pnX)
+ *pnX = vRect.xLeft;
+ if (pnY)
+ *pnY = vRect.yBottom; // OS/2's bottom is windows' top???
+} // end of wxDialog::DoGetPosition
bool wxDialog::IsModal() const
{
- return wxModalDialogs.Find((wxDialog *)this) != 0; // const_cast
-}
+ return (GetWindowStyleFlag() & wxDIALOG_MODAL) != 0;
+} // end of wxDialog::IsModal
-bool wxDialog::Show(bool show)
+bool wxDialog::IsModalShowing() const
{
- // TODO: This is involved code, look at msw port for details
- return FALSE;
-}
+ return wxModalDialogs.Find((wxDialog *)this) != NULL; // const_cast
+} // end of wxDialog::IsModalShowing
-void wxDialog::SetTitle(const wxString& title)
+void wxDialog::DoShowModal()
{
- ::WinSetWindowText((HWND) GetHWND(), title.c_str());
-}
+ wxWindow* pParent = GetParent();
+ wxWindow* pOldFocus = m_pOldFocus;
+ HWND hWndOldFocus = 0;
-wxString wxDialog::GetTitle() const
-{
- ::WinQueryWindowText((HWND) GetHWND(), 1000, wxBuffer);
- return wxString(wxBuffer);
-}
+ wxCHECK_RET( !IsModalShowing(), _T("DoShowModal() called twice") );
+ wxCHECK_RET( IsModal(), _T("can't DoShowModal() modeless dialog") );
-void wxDialog::Centre(int direction)
+ wxModalDialogs.Append(this);
+ if (pOldFocus)
+ hWndOldFocus = (HWND)pOldFocus->GetHWND();
+
+ //
+ // Remember where the focus was
+ //
+ if (!pOldFocus)
+ {
+ pOldFocus = pParent;
+ if (pParent)
+ hWndOldFocus = GetHwndOf(pParent);
+ }
+
+ //
+ // Disable all other app windows
+ //
+ wxASSERT_MSG(!m_pWindowDisabler, _T("disabling windows twice?"));
+
+ m_pWindowDisabler = new wxWindowDisabler(this);
+
+ //
+ // Enter the modal loop
+ //
+ while ( IsModalShowing() )
+ {
+#if wxUSE_THREADS
+ wxMutexGuiLeaveOrEnter();
+#endif // wxUSE_THREADS
+
+ while ( !wxTheApp->Pending() && wxTheApp->ProcessIdle() )
+ ;
+
+ // a message came or no more idle processing to do
+ wxTheApp->DoMessage();
+ }
+
+ //
+ // Snd 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 (pOldFocus && (pOldFocus != this) && ::WinIsWindow(vHabmain, hWndOldFocus))
+ {
+ //
+ // This is likely to prove that the object still exists
+ //
+ if (wxFindWinFromHandle((WXHWND) hWndOldFocus) == pOldFocus)
+ pOldFocus->SetFocus();
+ }
+} // end of wxDialog::DoShowModal
+
+bool wxDialog::Show(
+ bool bShow
+)
{
- int x_offset,y_offset ;
- int display_width, display_height;
- int width, height, x, y;
- wxWindow *parent = GetParent();
- if ((direction & wxCENTER_FRAME) && parent)
- {
- parent->GetPosition(&x_offset,&y_offset) ;
- parent->GetSize(&display_width,&display_height) ;
- }
- else
- {
- wxDisplaySize(&display_width, &display_height);
- x_offset = 0 ;
- y_offset = 0 ;
- }
-
- GetSize(&width, &height);
- GetPosition(&x, &y);
-
- if (direction & wxHORIZONTAL)
- x = (int)((display_width - width)/2);
- if (direction & wxVERTICAL)
- y = (int)((display_height - height)/2);
-
- SetSize(x+x_offset, y+y_offset, width, height);
-}
+ if (!bShow)
+ {
+ //
+ // If we had disabled other app windows, reenable them back now because
+ // if they stay disabled Windows will activate another window (one
+ // which is enabled, anyhow) and we will lose activation
+ //
+ if (m_pWindowDisabler)
+ {
+ delete m_pWindowDisabler;
+ m_pWindowDisabler = NULL;
+ }
+ }
+
+ //
+ // ShowModal() may be called for already shown dialog
+ //
+ if (!wxDialogBase::Show(bShow) && !(bShow && IsModal()))
+ {
+ //
+ // Nothing to do
+ //
+ return FALSE;
+ }
+
+ if (bShow)
+ {
+ //
+ // Usually will result in TransferDataToWindow() being called
+ //
+ InitDialog();
+ }
+
+ if (IsModal())
+ {
+ if (bShow)
+ {
+ //
+ // Modal dialog needs a parent window, so try to find one
+ //
+ if (!GetParent())
+ {
+ wxWindow* pParent = wxTheApp->GetTopWindow();
+
+ if ( pParent && pParent != this && pParent->IsShown() )
+ {
+ //
+ // Use it
+ //
+ m_parent = pParent;
+
+ }
+ }
+ DoShowModal();
+ }
+ else // end of modal dialog
+ {
+ //
+ // This will cause IsModalShowing() return FALSE and our local
+ // message loop will terminate
+ //
+ wxModalDialogs.DeleteObject(this);
+ }
+ }
+ return FALSE;
+} // end of wxDialog::Show
+//
// Replacement for Show(TRUE) for modal dialogs - returns return code
+//
int wxDialog::ShowModal()
{
- m_windowStyle |= wxDIALOG_MODAL;
+ if (!IsModal())
+ {
+ SetModal(TRUE);
+ }
Show(TRUE);
return GetReturnCode();
-}
+} // end of wxDialog::ShowModal
-void wxDialog::EndModal(int retCode)
+void wxDialog::EndModal(
+ int nRetCode
+)
{
- SetReturnCode(retCode);
- // TODO modal un-showing
+ SetReturnCode(nRetCode);
Show(FALSE);
-}
+} // end of wxDialog::EndModal
-// Define for each class of dialog and control
-WXHBRUSH wxDialog::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
- WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
+void wxDialog::OnApply(
+ wxCommandEvent& rEvent
+)
{
- return 0;
-}
+ if (Validate())
+ TransferDataFromWindow();
+} // end of wxDialog::OnApply
+
// Standard buttons
-void wxDialog::OnOK(wxCommandEvent& event)
+void wxDialog::OnOK(
+ wxCommandEvent& rEvent
+)
{
if ( Validate() && TransferDataFromWindow() )
{
- if ( IsModal() )
- EndModal(wxID_OK);
- else
- {
- SetReturnCode(wxID_OK);
- this->Show(FALSE);
- }
+ EndModal(wxID_OK);
}
-}
+} // end of wxDialog::OnOK
-void wxDialog::OnApply(wxCommandEvent& event)
+void wxDialog::OnCancel(
+ wxCommandEvent& rEvent
+)
{
- if (Validate())
- TransferDataFromWindow();
- // TODO probably need to disable the Apply button until things change again
-}
+ EndModal(wxID_CANCEL);
+} // end of wxDialog::OnCancel
-void wxDialog::OnCancel(wxCommandEvent& event)
-{
- if ( IsModal() )
- EndModal(wxID_CANCEL);
- else
- {
- SetReturnCode(wxID_CANCEL);
- this->Show(FALSE);
- }
-}
-
-void wxDialog::OnCloseWindow(wxCloseEvent& event)
+void wxDialog::OnCloseWindow(
+ wxCloseEvent& rEvent
+)
{
+ //
// We'll send a Cancel message by default,
// which may close the dialog.
// Check for looping if the Cancel event handler calls Close().
-
+ //
// Note that if a cancel button and handler aren't present in the dialog,
// nothing will happen when you close the dialog via the window manager, or
// via Close().
// unless the handler for wxID_CANCEL does so. So use Destroy() if you want to be
// sure to destroy the dialog.
// The default OnCancel (above) simply ends a modal dialog, and hides a modeless dialog.
+ //
+ //
+ // Ugh??? This is not good but until I figure out a global list it'll have to do
+ //
static wxList closing;
if ( closing.Member(this) )
closing.Append(this);
- wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
- cancelEvent.SetEventObject( this );
- GetEventHandler()->ProcessEvent(cancelEvent); // This may close the dialog
+ wxCommandEvent vCancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
+
+ vCancelEvent.SetEventObject( this );
+ GetEventHandler()->ProcessEvent(vCancelEvent); // This may close the dialog
closing.DeleteObject(this);
-}
+} // end of wxDialog::OnCloseWindow
+//
// Destroy the window (delayed, if a managed window)
+//
bool wxDialog::Destroy()
{
- if (!wxPendingDelete.Member(this))
- wxPendingDelete.Append(this);
+ wxCHECK_MSG( !wxPendingDelete.Member(this), FALSE,
+ _T("wxDialog destroyed twice") );
+ wxPendingDelete.Append(this);
return TRUE;
-}
+} // end of wxDialog::Destroy
-void wxDialog::OnSize(wxSizeEvent& WXUNUSED(event))
+void wxDialog::OnSysColourChanged(
+ wxSysColourChangedEvent& rEvent
+)
{
- // if we're using constraints - do use them
- #if wxUSE_CONSTRAINTS
- if ( GetAutoLayout() )
- {
- Layout();
- }
- #endif
-}
-
-void wxDialog::OnSysColourChanged(wxSysColourChangedEvent& event)
-{
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
- Refresh();
-}
-
-MRESULT wxDialog::OS2WindowProc(HWND hwnd, WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
+ SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
+ Refresh();
+} // end of wxDialog::OnSysColourChanged
+
+MRESULT wxDialog::OS2WindowProc(
+ WXUINT uMessage
+, WXWPARAM wParam
+, WXLPARAM lParam
+)
{
- MRESULT rc = 0;
- bool processed = FALSE;
+ MRESULT rc = 0;
+ bool bProcessed = FALSE;
- switch ( message )
+ switch (uMessage)
{
case WM_CLOSE:
- // if we can't close, tell the system that we processed the
+ //
+ // If we can't close, tell the system that we processed the
// message - otherwise it would close us
- processed = !Close();
+ //
+ bProcessed = !Close();
break;
}
- if ( !processed )
- rc = wxWindow::OS2WindowProc(hwnd, message, wParam, lParam);
-
+ if (!bProcessed)
+ rc = wxWindow::OS2WindowProc( uMessage
+ ,wParam
+ ,lParam
+ );
return rc;
-}
+} // end of wxDialog::OS2WindowProc
projects / wxWidgets.git / blobdiff