/////////////////////////////////////////////////////////////////////////////
-// Name: dialog.cpp
+// Name: src/msw/dialog.cpp
// Purpose: wxDialog class
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
+// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "dialog.h"
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+ #pragma implementation "dialog.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/dialog.h"
-#include "wx/utils.h"
-#include "wx/frame.h"
-#include "wx/app.h"
-#include "wx/settings.h"
+ #include "wx/dialog.h"
+ #include "wx/utils.h"
+ #include "wx/frame.h"
+ #include "wx/app.h"
+ #include "wx/settings.h"
+ #include "wx/intl.h"
+ #include "wx/log.h"
#endif
#include "wx/msw/private.h"
#include "wx/log.h"
+#include "wx/evtloop.h"
+#include "wx/ptr_scpd.h"
-#if wxUSE_COMMON_DIALOGS
-#include <commdlg.h>
+#if wxUSE_COMMON_DIALOGS && !defined(__WXMICROWIN__)
+ #include <commdlg.h>
#endif
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// default dialog pos and size
+
#define wxDIALOG_DEFAULT_X 300
#define wxDIALOG_DEFAULT_Y 300
-// Lists to keep track of windows, so we can disable/enable them
-// for modal dialogs
-wxList wxModalDialogs;
-wxList wxModelessWindows; // Frames and modeless dialogs
-extern wxList WXDLLEXPORT wxPendingDelete;
-
-#if !USE_SHARED_LIBRARY
- IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxPanel)
-
- BEGIN_EVENT_TABLE(wxDialog, wxPanel)
- EVT_SIZE(wxDialog::OnSize)
- EVT_BUTTON(wxID_OK, wxDialog::OnOK)
- EVT_BUTTON(wxID_APPLY, wxDialog::OnApply)
- EVT_BUTTON(wxID_CANCEL, wxDialog::OnCancel)
- EVT_CHAR_HOOK(wxDialog::OnCharHook)
- EVT_SYS_COLOUR_CHANGED(wxDialog::OnSysColourChanged)
- EVT_CLOSE(wxDialog::OnCloseWindow)
- END_EVENT_TABLE()
+#define wxDIALOG_DEFAULT_WIDTH 500
+#define wxDIALOG_DEFAULT_HEIGHT 500
+
+// ----------------------------------------------------------------------------
+// wxWin macros
+// ----------------------------------------------------------------------------
+
+#if wxUSE_EXTENDED_RTTI
+WX_DEFINE_FLAGS( wxDialogStyle )
+
+wxBEGIN_FLAGS( wxDialogStyle )
+ // new style border flags, we put them first to
+ // use them for streaming out
+ wxFLAGS_MEMBER(wxBORDER_SIMPLE)
+ wxFLAGS_MEMBER(wxBORDER_SUNKEN)
+ wxFLAGS_MEMBER(wxBORDER_DOUBLE)
+ wxFLAGS_MEMBER(wxBORDER_RAISED)
+ wxFLAGS_MEMBER(wxBORDER_STATIC)
+ wxFLAGS_MEMBER(wxBORDER_NONE)
+
+ // old style border flags
+ wxFLAGS_MEMBER(wxSIMPLE_BORDER)
+ wxFLAGS_MEMBER(wxSUNKEN_BORDER)
+ wxFLAGS_MEMBER(wxDOUBLE_BORDER)
+ wxFLAGS_MEMBER(wxRAISED_BORDER)
+ wxFLAGS_MEMBER(wxSTATIC_BORDER)
+ wxFLAGS_MEMBER(wxNO_BORDER)
+
+ // standard window styles
+ wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
+ wxFLAGS_MEMBER(wxCLIP_CHILDREN)
+
+ // dialog styles
+ wxFLAGS_MEMBER(wxDIALOG_MODAL)
+ wxFLAGS_MEMBER(wxDIALOG_MODELESS)
+ wxFLAGS_MEMBER(wxNO_3D)
+ wxFLAGS_MEMBER(wxWS_EX_VALIDATE_RECURSIVELY)
+ wxFLAGS_MEMBER(wxSTAY_ON_TOP)
+ wxFLAGS_MEMBER(wxCAPTION)
+ wxFLAGS_MEMBER(wxTHICK_FRAME)
+ wxFLAGS_MEMBER(wxSYSTEM_MENU)
+ wxFLAGS_MEMBER(wxRESIZE_BORDER)
+ wxFLAGS_MEMBER(wxRESIZE_BOX)
+ wxFLAGS_MEMBER(wxCLOSE_BOX)
+ wxFLAGS_MEMBER(wxMAXIMIZE_BOX)
+ wxFLAGS_MEMBER(wxMINIMIZE_BOX)
+wxEND_FLAGS( wxDialogStyle )
+
+IMPLEMENT_DYNAMIC_CLASS_XTI(wxDialog, wxTopLevelWindow,"wx/dialog.h")
+
+wxBEGIN_PROPERTIES_TABLE(wxDialog)
+ wxPROPERTY( Title,wxString, SetTitle, GetTitle, wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+ wxPROPERTY_FLAGS( WindowStyle , wxDialogStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+wxEND_PROPERTIES_TABLE()
+
+wxBEGIN_HANDLERS_TABLE(wxDialog)
+wxEND_HANDLERS_TABLE()
+
+wxCONSTRUCTOR_6( wxDialog , wxWindow* , Parent , wxWindowID , Id , wxString , Title , wxPoint , Position , wxSize , Size , long , WindowStyle)
+
+#else
+IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxTopLevelWindow)
#endif
-bool wxDialog::MSWProcessMessage(WXMSG* pMsg)
-{
- return (::IsDialogMessage((HWND) GetHWND(), (MSG*)pMsg) != 0);
-}
+BEGIN_EVENT_TABLE(wxDialog, wxDialogBase)
+ EVT_BUTTON(wxID_OK, wxDialog::OnOK)
+ EVT_BUTTON(wxID_APPLY, wxDialog::OnApply)
+ EVT_BUTTON(wxID_CANCEL, wxDialog::OnCancel)
+
+ EVT_CHAR_HOOK(wxDialog::OnCharHook)
+
+ EVT_SYS_COLOUR_CHANGED(wxDialog::OnSysColourChanged)
-bool wxDialog::MSWOnClose(void)
+ EVT_CLOSE(wxDialog::OnCloseWindow)
+END_EVENT_TABLE()
+
+// ----------------------------------------------------------------------------
+// wxDialogModalData
+// ----------------------------------------------------------------------------
+
+// this is simply a container for any data we need to implement modality which
+// allows us to avoid changing wxDialog each time the implementation changes
+class wxDialogModalData
{
- return Close();
-}
+public:
+ wxDialogModalData(wxDialog *dialog) : m_evtLoop(dialog) { }
+
+ void RunLoop()
+ {
+ m_evtLoop.Run();
+ }
+
+ void ExitLoop()
+ {
+ m_evtLoop.Exit();
+ }
+
+private:
+ wxModalEventLoop m_evtLoop;
+};
+
+wxDEFINE_TIED_SCOPED_PTR_TYPE(wxDialogModalData);
-wxDialog::wxDialog(void)
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxDialog construction
+// ----------------------------------------------------------------------------
+
+void wxDialog::Init()
{
- m_isShown = FALSE;
- m_modalShowing = FALSE;
+ m_oldFocus = (wxWindow *)NULL;
+
+ m_isShown = FALSE;
+
+ m_modalData = NULL;
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
+ SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
}
-bool wxDialog::Create(wxWindow *parent, wxWindowID id,
+bool wxDialog::Create(wxWindow *parent,
+ wxWindowID id,
const wxString& title,
const wxPoint& pos,
const wxSize& size,
long style,
const wxString& name)
{
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
- SetName(name);
-
- if (!parent)
- wxTopLevelWindows.Append(this);
+ Init();
- // windowFont = wxTheFontList->FindOrCreateFont(11, wxSWISS, wxNORMAL, wxNORMAL);
+ SetExtraStyle(GetExtraStyle() | wxTOPLEVEL_EX_DIALOG);
- if (parent) parent->AddChild(this);
+ // save focus before doing anything which can potentially change it
+ m_oldFocus = FindFocus();
- if ( id == -1 )
- m_windowId = (int)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;
-
- WXDWORD extendedStyle = MakeExtendedStyle(m_windowStyle);
- if (m_windowStyle & wxSTAY_ON_TOP)
- extendedStyle |= WS_EX_TOPMOST;
-
- // 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 char *dlg;
- if ( style & wxTHICK_FRAME )
- dlg = "wxResizeableDialog";
- else if ( style & wxCAPTION )
- dlg = "wxCaptionDialog";
- else
- dlg = "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(_("Failed to created dialog."));
+ // All dialogs should really have this style
+ style |= wxTAB_TRAVERSAL;
+ if ( !wxTopLevelWindow::Create(parent, id, title, pos, size, style, name) )
return FALSE;
- }
- SubclassWin(GetHWND());
-
- SetWindowText(hwnd, title);
- SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
+ SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
return TRUE;
}
void wxDialog::SetModal(bool flag)
{
- if ( flag )
- m_windowStyle |= wxDIALOG_MODAL ;
- else
- if ( m_windowStyle & wxDIALOG_MODAL )
- m_windowStyle -= wxDIALOG_MODAL ;
-
- wxModelessWindows.DeleteObject(this);
- if (!flag)
- wxModelessWindows.Append(this);
+ if ( flag )
+ {
+ m_windowStyle |= wxDIALOG_MODAL;
+
+ wxModelessWindows.DeleteObject(this);
+ }
+ else
+ {
+ m_windowStyle &= ~wxDIALOG_MODAL;
+
+ wxModelessWindows.Append(this);
+ }
}
wxDialog::~wxDialog()
{
- m_isBeingDeleted = TRUE;
-
- wxTopLevelWindows.DeleteObject(this);
+ m_isBeingDeleted = TRUE;
- if (m_modalShowing)
- {
+ // this will also reenable all the other windows for a modal dialog
Show(FALSE);
- // For some reason, wxWindows can activate another task altogether
- // when a frame is destroyed after a modal dialog has been invoked.
- // Try to bring the parent to the top.
- // dfgg: I moved this following line from end of function -
- // must not call if another window is on top!!
- // This can often happen with Close() and delayed deleting
- if (GetParent() && GetParent()->GetHWND())
- ::BringWindowToTop((HWND) GetParent()->GetHWND());
- }
-
- m_modalShowing = FALSE;
- if ( GetHWND() )
- ShowWindow((HWND) GetHWND(), SW_HIDE);
-
- if ( (GetWindowStyleFlag() & wxDIALOG_MODAL) != wxDIALOG_MODAL )
- wxModelessWindows.DeleteObject(this);
-
- UnsubclassWin();
-
- // If this is the last top-level window, exit.
- if (wxTheApp && (wxTopLevelWindows.Number() == 0))
- {
- wxTheApp->SetTopWindow(NULL);
-
- if (wxTheApp->GetExitOnFrameDelete())
- {
- PostQuitMessage(0);
- }
- }
}
+// ----------------------------------------------------------------------------
+// kbd handling
+// ----------------------------------------------------------------------------
+
// By default, pressing escape cancels the dialog
void wxDialog::OnCharHook(wxKeyEvent& event)
{
- if (GetHWND())
- {
- if (event.m_keyCode == WXK_ESCAPE)
+ if (GetHWND())
{
- // 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);
+ // "Esc" works as an accelerator for the "Cancel" button, but it
+ // shouldn't close the dialog which doesn't have any cancel button
+ if ( (event.m_keyCode == WXK_ESCAPE) && FindWindow(wxID_CANCEL) )
+ {
+ wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
+ cancelEvent.SetEventObject( this );
+ GetEventHandler()->ProcessEvent(cancelEvent);
- return;
+ // ensure that there is another message for this window so the
+ // ShowModal loop will exit and won't get stuck in GetMessage().
+ ::PostMessage(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);
+ // We didn't process this event.
+ event.Skip();
}
-void wxDialog::Fit(void)
-{
- wxWindow::Fit();
-}
+// ----------------------------------------------------------------------------
+// showing the dialogs
+// ----------------------------------------------------------------------------
-void wxDialog::Iconize(bool WXUNUSED(iconize))
+bool wxDialog::IsModal() const
{
- // Windows dialog boxes can't be iconized
+ return (GetWindowStyleFlag() & wxDIALOG_MODAL) != 0;
}
-bool wxDialog::IsIconized(void) const
+bool wxDialog::IsModalShowing() const
{
- return FALSE;
+ return m_modalData != NULL;
}
-void wxDialog::SetClientSize(int width, int height)
+wxWindow *wxDialog::FindSuitableParent() const
{
- 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);
-}
+ // 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();
+ }
-void wxDialog::GetPosition(int *x, int *y) const
-{
- HWND hWnd = (HWND) GetHWND();
- RECT rect;
- GetWindowRect(hWnd, &rect);
+ // finally, check if the parent we found is really suitable
+ if ( !parent || parent == (wxWindow *)this || !parent->IsShown() )
+ {
+ // don't use this one
+ parent = NULL;
+ }
- *x = rect.left;
- *y = rect.top;
+ return parent;
}
-bool wxDialog::IsShown(void) const
+void wxDialog::DoShowModal()
{
- return m_isShown;
-}
+ wxCHECK_RET( !IsModalShowing(), _T("DoShowModal() called twice") );
+ wxCHECK_RET( IsModal(), _T("can't DoShowModal() modeless dialog") );
-bool wxDialog::Show(bool show)
-{
- m_isShown = show;
+ wxWindow *parent = GetParent();
- if (show)
- InitDialog();
+ wxWindow* oldFocus = m_oldFocus;
- bool modal = ((GetWindowStyleFlag() & wxDIALOG_MODAL) == wxDIALOG_MODAL) ;
+ // 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 = 0;
+ if (oldFocus)
+ hwndOldFocus = (HWND) oldFocus->GetHWND();
-#if WXGARBAGE_COLLECTION_ON /* MATTHEW: GC */
- if (!modal) {
- if (show) {
- if (!wxModelessWindows.Member(this))
- wxModelessWindows.Append(this);
- } else
- wxModelessWindows.DeleteObject(this);
- }
- if (show) {
- if (!wxTopLevelWindows.Member(this))
- wxTopLevelWindows.Append(this);
- } else
- wxTopLevelWindows.DeleteObject(this);
-#endif
+ // remember where the focus was
+ if ( !oldFocus )
+ {
+ oldFocus = parent;
+ if ( parent )
+ hwndOldFocus = GetHwndOf(parent);
+ }
- if (modal)
- {
- if (show)
+ // enter the modal loop
{
- m_hwndOldFocus = (WXHWND)::GetFocus();
-
- if (m_modalShowing)
- {
- BringWindowToTop((HWND) GetHWND());
- return TRUE;
- }
-
- m_modalShowing = TRUE;
- wxNode *node = wxModalDialogs.First();
- while (node)
- {
- wxDialog *box = (wxDialog *)node->Data();
- if (box != this)
- ::EnableWindow((HWND) box->GetHWND(), FALSE);
- node = node->Next();
- }
-
- // if we don't do it, some window might be deleted while we have pointers
- // to them in our disabledWindows list and the program will crash when it
- // will try to reenable them after the modal dialog end
- wxTheApp->DeletePendingObjects();
- wxList disabledWindows;
-
- node = wxModelessWindows.First();
- while (node)
- {
- wxWindow *win = (wxWindow *)node->Data();
- if (::IsWindowEnabled((HWND) win->GetHWND()))
- {
- ::EnableWindow((HWND) win->GetHWND(), FALSE);
- disabledWindows.Append(win);
- }
- node = node->Next();
- }
-
- ShowWindow((HWND) GetHWND(), SW_SHOW);
- EnableWindow((HWND) GetHWND(), TRUE);
- BringWindowToTop((HWND) GetHWND());
-
- if (!wxModalDialogs.Member(this))
- wxModalDialogs.Append(this);
-
- MSG msg;
- // Must test whether this dialog still exists: we may not process
- // a message before the deletion.
- while (wxModalDialogs.Member(this) && m_modalShowing && GetMessage(&msg, NULL, 0, 0))
- {
- if (m_acceleratorTable.Ok() &&
- ::TranslateAccelerator((HWND) GetHWND(), (HACCEL) m_acceleratorTable.GetHACCEL(), &msg))
- {
- // Have processed the message
- }
- else if (!IsDialogMessage((HWND) GetHWND(), &msg))
- {
- TranslateMessage(&msg);
- DispatchMessage(&msg);
- }
+ wxDialogModalDataTiedPtr modalData(&m_modalData,
+ new wxDialogModalData(this));
+ modalData->RunLoop();
+ }
- // If we get crashes (as per George Tasker's message) with nested modal dialogs,
- // we should try removing the m_modalShowing test
+ // 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();
+ }
+}
- if (m_modalShowing && !::PeekMessage(&msg, 0, 0, 0, PM_NOREMOVE))
- // dfgg: NB MUST test m_modalShowing again as the message loop could have triggered
- // a Show(FALSE) in the mean time!!!
- // Without the test, we might delete the dialog before the end of modal showing.
- {
- while (wxTheApp->ProcessIdle() && m_modalShowing)
- {
- // Keep going until we decide we've done enough
- }
- }
- }
- // dfgg: now must specifically re-enable all other app windows that we disabled earlier
- node=disabledWindows.First();
- while(node) {
- wxWindow* win = (wxWindow*) node->Data();
- if (wxModalDialogs.Member(win) || wxModelessWindows.Member(win))
- {
- HWND hWnd = (HWND) win->GetHWND();
- if (::IsWindow(hWnd))
- ::EnableWindow(hWnd,TRUE);
- }
- node=node->Next();
- }
+bool wxDialog::Show(bool show)
+{
+ if ( !show && m_modalData )
+ {
+ // we need to do this before calling wxDialogBase version because if we
+ // had disabled other app windows, they must be reenabled right now as
+ // if they stay disabled Windows will activate another window (one
+ // which is enabled, anyhow) when we're hidden in the base class Show()
+ // and we will lose activation
+ m_modalData->ExitLoop();
}
- else // !show
+
+ // ShowModal() may be called for already shown dialog
+ if ( !wxDialogBase::Show(show) && !(show && IsModal()) )
{
- ::SetFocus((HWND)m_hwndOldFocus);
-
- wxModalDialogs.DeleteObject(this);
-
- wxNode *last = wxModalDialogs.Last();
-
- // If there's still a modal dialog active, we
- // enable it, else we enable all modeless windows
- if (last)
- {
- wxDialog *box = (wxDialog *)last->Data();
- HWND hwnd = (HWND) box->GetHWND();
- if (box->m_winEnabled)
- EnableWindow(hwnd, TRUE);
- BringWindowToTop(hwnd);
- }
- else
- {
- wxNode *node = wxModelessWindows.First();
- while (node)
- {
- wxWindow *win = (wxWindow *)node->Data();
- HWND hwnd = (HWND) win->GetHWND();
- // Only enable again if not user-disabled.
- if (win->IsUserEnabled())
- EnableWindow(hwnd, TRUE);
- node = node->Next();
- }
- }
- // Try to highlight the correct window (the parent)
- HWND hWndParent = 0;
- if (GetParent())
- {
- hWndParent = (HWND) GetParent()->GetHWND();
- if (hWndParent)
- ::BringWindowToTop(hWndParent);
- }
- ShowWindow((HWND) GetHWND(), SW_HIDE);
- m_modalShowing = FALSE;
+ // nothing to do
+ return FALSE;
}
- }
- else // !modal
- {
- if (show)
+
+ if ( show )
{
- ShowWindow((HWND) GetHWND(), SW_SHOW);
- BringWindowToTop((HWND) GetHWND());
+ // 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
+ //
+ // NB: normally we should call it just the first time but doing it
+ // every time is simpler than keeping a flag
+ Layout();
+
+ // this usually will result in TransferDataToWindow() being called
+ InitDialog();
}
- else
+
+ if ( show && IsModal() )
{
- // Try to highlight the correct window (the parent)
- HWND hWndParent = 0;
- if (GetParent())
- {
- hWndParent = (HWND) GetParent()->GetHWND();
- if (hWndParent)
- ::BringWindowToTop(hWndParent);
- }
- ShowWindow((HWND) GetHWND(), SW_HIDE);
+ // modal dialog needs a parent window, so try to find one
+ if ( !GetParent() )
+ {
+ m_parent = FindSuitableParent();
+ }
+
+ DoShowModal();
}
- }
- return TRUE;
-}
-void wxDialog::SetTitle(const wxString& title)
-{
- SetWindowText((HWND) GetHWND(), (const char *)title);
+ return TRUE;
}
-wxString wxDialog::GetTitle(void) const
+void wxDialog::Raise()
{
- GetWindowText((HWND) GetHWND(), wxBuffer, 1000);
- return wxString(wxBuffer);
+ ::SetForegroundWindow(GetHwnd());
}
-void wxDialog::Centre(int direction)
+// a special version for Show(TRUE) for modal dialogs which returns return code
+int wxDialog::ShowModal()
{
- 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);
+ if ( !IsModal() )
+ {
+ SetModal(TRUE);
+ }
- SetSize(x+x_offset, y+y_offset, width, height);
-}
+ Show(TRUE);
-// Replacement for Show(TRUE) for modal dialogs - returns return code
-int wxDialog::ShowModal(void)
-{
- m_windowStyle |= wxDIALOG_MODAL;
- Show(TRUE);
- return GetReturnCode();
+ return GetReturnCode();
}
+// NB: this function (surprizingly) may be called for both modal and modeless
+// dialogs and should work for both of them
void wxDialog::EndModal(int retCode)
{
- SetReturnCode(retCode);
- Show(FALSE);
-}
+ SetReturnCode(retCode);
-// Define for each class of dialog and control
-WXHBRUSH wxDialog::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
- WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
-{
-#if wxUSE_CTL3D
- HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
- return (WXHBRUSH) hbrush;
-#else
- return 0;
-#endif
+ Show(FALSE);
}
+// ----------------------------------------------------------------------------
+// wxWin event handlers
+// ----------------------------------------------------------------------------
+
// Standard buttons
-void wxDialog::OnOK(wxCommandEvent& event)
+void wxDialog::OnOK(wxCommandEvent& WXUNUSED(event))
{
if ( Validate() && TransferDataFromWindow() )
{
- if ( IsModal() )
- EndModal(wxID_OK);
- else
- {
- SetReturnCode(wxID_OK);
- this->Show(FALSE);
- }
+ EndModal(wxID_OK);
}
}
-void wxDialog::OnApply(wxCommandEvent& event)
+void wxDialog::OnApply(wxCommandEvent& WXUNUSED(event))
{
- if (Validate())
- TransferDataFromWindow();
- // TODO probably need to disable the Apply button until things change again
+ if ( Validate() )
+ TransferDataFromWindow();
+
+ // TODO probably need to disable the Apply button until things change again
}
-void wxDialog::OnCancel(wxCommandEvent& event)
+void wxDialog::OnCancel(wxCommandEvent& WXUNUSED(event))
{
- if ( IsModal() )
- EndModal(wxID_CANCEL);
- else
- {
- SetReturnCode(wxID_CANCEL);
- this->Show(FALSE);
- }
+ EndModal(wxID_CANCEL);
}
-void wxDialog::OnCloseWindow(wxCloseEvent& event)
+void wxDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
{
- // We'll send a Cancel message by default,
- // which may close the dialog.
+ // 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().
- // We wouldn't want to destroy the dialog by default, since the dialog may have been
- // created on the stack.
- // However, this does mean that calling dialog->Close() won't delete the dialog
- // 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.
-
+ // via Close(). We wouldn't want to destroy the dialog by default, since
+ // the dialog may have been created on the stack. However, this does mean
+ // that calling dialog->Close() won't delete the dialog 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.
+
+ // VZ: this is horrible and MT-unsafe. Can't we reuse some of these global
+ // lists here? don't dare to change it now, but should be done later!
static wxList closing;
-
+
if ( closing.Member(this) )
return;
-
+
closing.Append(this);
-
+
wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
cancelEvent.SetEventObject( this );
GetEventHandler()->ProcessEvent(cancelEvent); // This may close the dialog
closing.DeleteObject(this);
}
-// Destroy the window (delayed, if a managed window)
-bool wxDialog::Destroy(void)
+void wxDialog::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
{
- if (!wxPendingDelete.Member(this))
- wxPendingDelete.Append(this);
- return TRUE;
+#if wxUSE_CTL3D
+ Ctl3dColorChange();
+#else
+ SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
+ Refresh();
+#endif
}
-void wxDialog::OnSize(wxSizeEvent& WXUNUSED(event))
+// ---------------------------------------------------------------------------
+// dialog window proc
+// ---------------------------------------------------------------------------
+
+long wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
{
- // if we're using constraints - do use them
- #if wxUSE_CONSTRAINTS
- if ( GetAutoLayout() ) {
- Layout();
+ long rc = 0;
+ bool processed = FALSE;
+
+ switch ( message )
+ {
+ case WM_CLOSE:
+ // if we can't close, tell the system that we processed the
+ // message - otherwise it would close us
+ processed = !Close();
+ break;
+
+ case WM_SIZE:
+ // the Windows dialogs unfortunately are not meant to be resizeable
+ // at all and their standard class doesn't include CS_[VH]REDRAW
+ // styles which means that the window is not refreshed properly
+ // after the resize and no amount of WS_CLIPCHILDREN/SIBLINGS can
+ // help with it - so we have to refresh it manually which certainly
+ // creates flicker but at least doesn't show garbage on the screen
+ rc = wxWindow::MSWWindowProc(message, wParam, lParam);
+ processed = TRUE;
+ if ( HasFlag(wxFULL_REPAINT_ON_RESIZE) )
+ {
+ ::InvalidateRect(GetHwnd(), NULL, FALSE /* erase bg */);
+ }
+ break;
+
+#ifndef __WXMICROWIN__
+ case WM_SETCURSOR:
+ // we want to override the busy cursor for modal dialogs:
+ // typically, wxBeginBusyCursor() is called and then a modal dialog
+ // is shown, but the modal dialog shouldn't have hourglass cursor
+ if ( IsModalShowing() && wxIsBusy() )
+ {
+ // set our cursor for all windows (but see below)
+ wxCursor cursor = m_cursor;
+ if ( !cursor.Ok() )
+ cursor = wxCURSOR_ARROW;
+
+ ::SetCursor(GetHcursorOf(cursor));
+
+ // in any case, stop here and don't let wxWindow process this
+ // message (it would set the busy cursor)
+ processed = TRUE;
+
+ // but return FALSE to tell the child window (if the event
+ // comes from one of them and not from ourselves) that it can
+ // set its own cursor if it has one: thus, standard controls
+ // (e.g. text ctrl) still have correct cursors in a dialog
+ // invoked while wxIsBusy()
+ rc = FALSE;
+ }
+ break;
+#endif // __WXMICROWIN__
}
- #endif
+
+ if ( !processed )
+ rc = wxWindow::MSWWindowProc(message, wParam, lParam);
+
+ return rc;
}
-void wxDialog::OnSysColourChanged(wxSysColourChangedEvent& event)
-{
#if wxUSE_CTL3D
- Ctl3dColorChange();
-#else
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
- Refresh();
-#endif
-}
\ No newline at end of file
+
+// Define for each class of dialog and control
+WXHBRUSH wxDialog::OnCtlColor(WXHDC WXUNUSED(pDC),
+ WXHWND WXUNUSED(pWnd),
+ WXUINT WXUNUSED(nCtlColor),
+ WXUINT message,
+ WXWPARAM wParam,
+ WXLPARAM lParam)
+{
+ return (WXHBRUSH)Ctl3dCtlColorEx(message, wParam, lParam);
+}
+
+#endif // wxUSE_CTL3D
+
projects / wxWidgets.git / blobdiff