/////////////////////////////////////////////////////////////////////////////
-// Name: dialog.cpp
+// Name: src/msw/dialog.cpp
// Purpose: wxDialog class
// Author: Julian Smart
// Modified by:
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
#ifdef __GNUG__
-#pragma implementation "dialog.h"
+ #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"
-#if USE_COMMON_DIALOGS
-#include <commdlg.h>
+#if wxUSE_COMMON_DIALOGS
+ #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 wxPendingDelete;
+#define wxDIALOG_DEFAULT_WIDTH 500
+#define wxDIALOG_DEFAULT_HEIGHT 500
+
+// ----------------------------------------------------------------------------
+// globals
+// ----------------------------------------------------------------------------
+
+// all objects to be deleted during next idle processing - from window.cpp
+extern wxList WXDLLEXPORT wxPendingDelete;
+
+// all frames and modeless dialogs - not static, used in frame.cpp, mdi.cpp &c
+wxWindowList wxModelessWindows;
+
+// all modal dialogs currently shown
+static wxWindowList wxModalDialogs;
+
+// ----------------------------------------------------------------------------
+// wxWin macros
+// ----------------------------------------------------------------------------
-#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxPanel)
BEGIN_EVENT_TABLE(wxDialog, wxPanel)
- 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)
+ 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()
-#endif
+// ============================================================================
+// implementation
+// ============================================================================
-long wxDialog::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
-{
- return ::CallWindowProc((FARPROC)m_oldWndProc, (HWND) GetHWND(), (UINT) nMsg, (WPARAM) wParam, (LPARAM) lParam);
-}
+// ----------------------------------------------------------------------------
+// wxDialog construction
+// ----------------------------------------------------------------------------
-bool wxDialog::MSWProcessMessage(WXMSG* pMsg)
+void wxDialog::Init()
{
- return (::IsDialogMessage((HWND) GetHWND(), (MSG*)pMsg) != 0);
-}
+ m_oldFocus = (wxWindow *)NULL;
-bool wxDialog::MSWOnClose(void)
-{
- return Close();
-}
+ m_isShown = FALSE;
-wxDialog::wxDialog(void)
-{
- m_isShown = FALSE;
- m_modalShowing = FALSE;
+ m_windowDisabler = (wxWindowDisabler *)NULL;
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
- SetDefaultBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
+ 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)
+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));
- SetDefaultBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
- SetName(name);
-
- if (!parent)
+ Init();
+
+ m_oldFocus = FindFocus();
+
+ SetName(name);
+
wxTopLevelWindows.Append(this);
-// windowFont = wxTheFontList->FindOrCreateFont(11, wxSWISS, wxNORMAL, wxNORMAL);
+ if ( parent )
+ parent->AddChild(this);
- if (parent) parent->AddChild(this);
+ if ( id == -1 )
+ m_windowId = (int)NewControlId();
+ else
+ m_windowId = id;
- 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;
- 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;
- if (x < 0) x = wxDIALOG_DEFAULT_X;
- if (y < 0) y = wxDIALOG_DEFAULT_Y;
+ m_windowStyle = style;
- m_windowStyle = style;
+ if (width < 0)
+ width = wxDIALOG_DEFAULT_WIDTH;
+ if (height < 0)
+ height = wxDIALOG_DEFAULT_HEIGHT;
- m_isShown = FALSE;
- m_modalShowing = FALSE;
+ // All dialogs should really have this style
+ m_windowStyle |= wxTAB_TRAVERSAL;
- 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;
- WXDWORD extendedStyle = MakeExtendedStyle(m_windowStyle);
- if (m_windowStyle & wxSTAY_ON_TOP)
- extendedStyle |= WS_EX_TOPMOST;
+#ifndef __WIN16__
+ if (m_exStyle & wxDIALOG_EX_CONTEXTHELP)
+ extendedStyle |= WS_EX_CONTEXTHELP;
+#endif
- // Allows creation of dialogs with & without captions under MSWindows
- if(style & wxCAPTION){
- MSWCreate(m_windowId, (wxWindow *)parent, NULL, this, NULL, x, y, width, height, 0, "wxCaptionDialog",
- extendedStyle);
- }
- else{
- MSWCreate(m_windowId, (wxWindow *)parent, NULL, this, NULL, x, y, width, height, 0, "wxNoCaptionDialog",
- extendedStyle);
- }
+ // 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);
- SubclassWin(GetHWND());
+ HWND hwnd = (HWND)GetHWND();
+
+ if ( !hwnd )
+ {
+ wxFAIL_MSG(_("Failed to create dialog. You probably forgot to include wx/msw/wx.rc in your resources."));
+
+ return FALSE;
+ }
- SetWindowText((HWND) GetHWND(), (const char *)title);
- SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
+ SubclassWin(GetHWND());
- return TRUE;
+ SetWindowText(hwnd, title);
+ SetFont(wxSystemSettings::GetSystemFont(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;
+ m_isBeingDeleted = TRUE;
- wxTopLevelWindows.DeleteObject(this);
+ wxTopLevelWindows.DeleteObject(this);
- 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 ( !IsModal() )
+ wxModelessWindows.DeleteObject(this);
- // If this is the last top-level window, exit.
- if (wxTheApp && (wxTopLevelWindows.Number() == 0))
- {
- wxTheApp->SetTopWindow(NULL);
-
- if (wxTheApp->GetExitOnFrameDelete())
+ // If this is the last top-level window, exit.
+ if ( wxTheApp && (wxTopLevelWindows.Number() == 0) )
{
- PostQuitMessage(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();
-}
+// ----------------------------------------------------------------------------
+// Windows dialog boxes can't be iconized
+// ----------------------------------------------------------------------------
void wxDialog::Iconize(bool WXUNUSED(iconize))
{
- // Windows dialog boxes can't be iconized
}
-bool wxDialog::IsIconized(void) const
+bool wxDialog::IsIconized() const
{
- return FALSE;
+ return FALSE;
}
-void wxDialog::SetSize(int x, int y, int width, int height, int WXUNUSED(sizeFlags))
-{
- wxWindow::SetSize(x, y, width, height);
-}
+// ----------------------------------------------------------------------------
+// size/position handling
+// ----------------------------------------------------------------------------
-void wxDialog::SetClientSize(int width, int height)
+void wxDialog::DoSetClientSize(int width, int height)
{
- HWND hWnd = (HWND) GetHWND();
- RECT rect;
- GetClientRect(hWnd, &rect);
+ HWND hWnd = (HWND) GetHWND();
+ RECT rect;
+ ::GetClientRect(hWnd, &rect);
- RECT rect2;
- GetWindowRect(hWnd, &rect2);
+ 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;
+ // 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);
+ 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);
+ wxSizeEvent event(wxSize(actual_width, actual_height), m_windowId);
+ event.SetEventObject( this );
+ GetEventHandler()->ProcessEvent(event);
}
-void wxDialog::GetPosition(int *x, int *y) const
+void wxDialog::DoGetPosition(int *x, int *y) const
{
- HWND hWnd = (HWND) GetHWND();
- RECT rect;
- GetWindowRect(hWnd, &rect);
+ RECT rect;
+ GetWindowRect(GetHwnd(), &rect);
- *x = rect.left;
- *y = rect.top;
+ if ( x )
+ *x = rect.left;
+ if ( y )
+ *y = rect.top;
}
-bool wxDialog::IsShown(void) const
+// ----------------------------------------------------------------------------
+// showing the dialogs
+// ----------------------------------------------------------------------------
+
+bool wxDialog::IsModal() const
{
- return m_isShown;
+ return (GetWindowStyleFlag() & wxDIALOG_MODAL) != 0;
}
-bool wxDialog::Show(bool show)
+bool wxDialog::IsModalShowing() const
{
- m_isShown = show;
+ return wxModalDialogs.Find((wxDialog *)this) != NULL; // const_cast
+}
- if (show)
- InitDialog();
+void wxDialog::DoShowModal()
+{
+ wxCHECK_RET( !IsModalShowing(), _T("DoShowModal() called twice") );
+ wxCHECK_RET( IsModal(), _T("can't DoShowModal() modeless dialog") );
- bool modal = ((GetWindowStyleFlag() & wxDIALOG_MODAL) == wxDIALOG_MODAL) ;
+ wxModalDialogs.Append(this);
-#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
+ wxWindow *parent = GetParent();
- if (modal)
- {
- if (show)
+ wxWindow* oldFocus = m_oldFocus;
+
+ // 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();
+
+ // remember where the focus was
+ if ( !oldFocus )
{
- m_hwndOldFocus = (WXHWND)::GetFocus();
-
- wxList DisabledWindows;
- 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();
- }
- 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 (!IsDialogMessage((HWND) GetHWND(), &msg))
- {
- TranslateMessage(&msg);
- DispatchMessage(&msg);
- }
- 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();
- HWND hWnd = (HWND) win->GetHWND();
- if (::IsWindow(hWnd) && (wxModalDialogs.Member(win) || wxModelessWindows.Member(win) ))
- ::EnableWindow(hWnd,TRUE);
- node=node->Next();
- }
+ oldFocus = parent;
+ if ( parent )
+ hwndOldFocus = GetHwndOf(parent);
}
- else // !show
- {
- ::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;
- }
- }
- else // !modal
- {
- if (show)
+
+ // disable all other app windows
+ wxASSERT_MSG( !m_windowDisabler, _T("disabling windows twice?") );
+
+ m_windowDisabler = new wxWindowDisabler(this);
+
+ // enter the modal loop
+ while ( IsModalShowing() )
{
- ShowWindow((HWND) GetHWND(), SW_SHOW);
- BringWindowToTop((HWND) GetHWND());
+#if wxUSE_THREADS
+ wxMutexGuiLeaveOrEnter();
+#endif // wxUSE_THREADS
+
+ while ( !wxTheApp->Pending() && wxTheApp->ProcessIdle() )
+ ;
+
+ // a message came or no more idle processing to do
+ wxTheApp->DoMessage();
}
- else
+
+ // 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))
{
- // 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);
+ // This is likely to prove that the object still exists
+ if (wxFindWinFromHandle((WXHWND) hwndOldFocus) == oldFocus)
+ oldFocus->SetFocus();
}
- }
- return TRUE;
-}
-
-void wxDialog::SetTitle(const wxString& title)
-{
- SetWindowText((HWND) GetHWND(), (const char *)title);
-}
-
-wxString wxDialog::GetTitle(void) const
-{
- GetWindowText((HWND) GetHWND(), wxBuffer, 1000);
- return wxString(wxBuffer);
}
-void wxDialog::Centre(int direction)
+bool wxDialog::Show(bool show)
{
- int x_offset,y_offset ;
- int display_width, display_height;
- int width, height, x, y;
- wxFrame *frame ;
- if (direction & wxCENTER_FRAME)
- {
- frame = (wxFrame*)GetParent() ;
- if (frame)
+ if ( !show )
{
- frame->GetPosition(&x_offset,&y_offset) ;
- frame->GetSize(&display_width,&display_height) ;
+ // 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_windowDisabler )
+ {
+ delete m_windowDisabler;
+ m_windowDisabler = NULL;
+ }
}
- }
- else
- frame = NULL ;
- if (frame==NULL)
- {
- wxDisplaySize(&display_width, &display_height);
- x_offset = 0 ;
- y_offset = 0 ;
- }
+ // ShowModal() may be called for already shown dialog
+ if ( !wxDialogBase::Show(show) && !(show && IsModal()) )
+ {
+ // nothing to do
+ return FALSE;
+ }
+ if ( show )
+ {
+ // usually will result in TransferDataToWindow() being called
+ InitDialog();
+ }
- GetSize(&width, &height);
- GetPosition(&x, &y);
+ if ( IsModal() )
+ {
+ if ( show )
+ {
+ // modal dialog needs a parent window, so try to find one
+ if ( !GetParent() )
+ {
+ wxWindow *parent = wxTheApp->GetTopWindow();
+ if ( parent && parent != this && parent->IsShown() )
+ {
+ // use it
+ m_parent = parent;
+
+ // VZ: to make dialog behave properly we should reparent
+ // the dialog for Windows as well - unfortunately,
+ // following the docs for SetParent() results in this
+ // code which plainly doesn't work
+#if 0
+ long dwStyle = ::GetWindowLong(GetHwnd(), GWL_STYLE);
+ dwStyle &= ~WS_POPUP;
+ dwStyle |= WS_CHILD;
+ ::SetWindowLong(GetHwnd(), GWL_STYLE, dwStyle);
+ ::SetParent(GetHwnd(), GetHwndOf(parent));
+#endif // 0
+ }
+ }
- if (direction & wxHORIZONTAL)
- x = (int)((display_width - width)/2);
- if (direction & wxVERTICAL)
- y = (int)((display_height - height)/2);
+ DoShowModal();
+ }
+ else // end of modal dialog
+ {
+ // this will cause IsModalShowing() return FALSE and our local
+ // message loop will terminate
+ wxModalDialogs.DeleteObject(this);
+ }
+ }
- SetSize(x+x_offset, y+y_offset, width, height);
+ return TRUE;
}
-// Replacement for Show(TRUE) for modal dialogs - returns return code
-int wxDialog::ShowModal(void)
+// a special version for Show(TRUE) for modal dialogs which returns return code
+int wxDialog::ShowModal()
{
- m_windowStyle |= wxDIALOG_MODAL;
- Show(TRUE);
- return GetReturnCode();
+ if ( !IsModal() )
+ {
+ SetModal(TRUE);
+ }
+
+ Show(TRUE);
+
+ 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 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)
{
if ( Validate() && TransferDataFromWindow() )
{
- if ( IsModal() )
- EndModal(wxID_OK);
- else
- {
- SetReturnCode(wxID_OK);
- this->Show(FALSE);
- }
+ EndModal(wxID_OK);
}
}
void wxDialog::OnApply(wxCommandEvent& 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)
{
- if ( IsModal() )
- EndModal(wxID_CANCEL);
- else
- {
- SetReturnCode(wxID_CANCEL);
- this->Show(FALSE);
- }
+ EndModal(wxID_CANCEL);
}
-bool wxDialog::OnClose(void)
+void wxDialog::OnCloseWindow(wxCloseEvent& event)
{
- // Behaviour changed in 2.0: we'll send a Cancel message by default,
- // which may close the dialog.
- // Check for looping if the Cancel event handler calls Close()
-
+ // 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.
+
+ // 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 FALSE;
+ return;
closing.Append(this);
- wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
- cancelEvent.SetEventObject( this );
- GetEventHandler()->ProcessEvent(cancelEvent);
+ wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
+ cancelEvent.SetEventObject( this );
+ GetEventHandler()->ProcessEvent(cancelEvent); // This may close the dialog
closing.DeleteObject(this);
-
- return FALSE;
-}
-
-void wxDialog::OnCloseWindow(wxCloseEvent& event)
-{
- // Compatibility
- if ( GetEventHandler()->OnClose() || event.GetForce())
- {
- this->Destroy();
- }
}
// Destroy the window (delayed, if a managed window)
-bool wxDialog::Destroy(void)
+bool wxDialog::Destroy()
{
- if (!wxPendingDelete.Member(this))
+ wxCHECK_MSG( !wxPendingDelete.Member(this), FALSE,
+ _T("wxDialog destroyed twice") );
+
wxPendingDelete.Append(this);
- return TRUE;
+
+ return TRUE;
}
void wxDialog::OnSysColourChanged(wxSysColourChangedEvent& event)
{
-#if CTL3D
- Ctl3dColorChange();
+#if wxUSE_CTL3D
+ Ctl3dColorChange();
#else
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
- SetDefaultBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
- Refresh();
+ SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
+ Refresh();
#endif
}
+// ---------------------------------------------------------------------------
+// dialog window proc
+// ---------------------------------------------------------------------------
+
long wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
{
- return wxWindow::MSWWindowProc(message, wParam, lParam);
+ long rc = 0;
+ bool processed = FALSE;
+
+ switch ( message )
+ {
+#if 0 // now that we got owner window right it doesn't seem to be needed
+ case WM_ACTIVATE:
+ switch ( LOWORD(wParam) )
+ {
+ case WA_ACTIVE:
+ case WA_CLICKACTIVE:
+ if ( IsModalShowing() && GetParent() )
+ {
+ // bring the owner window to top as the standard dialog
+ // boxes do
+ if ( !::SetWindowPos
+ (
+ GetHwndOf(GetParent()),
+ GetHwnd(),
+ 0, 0,
+ 0, 0,
+ SWP_NOACTIVATE |
+ SWP_NOMOVE |
+ SWP_NOSIZE
+ ) )
+ {
+ wxLogLastError(wxT("SetWindowPos(SWP_NOACTIVATE)"));
+ }
+ }
+ // fall through to process it normally as well
+ }
+ break;
+#endif // 0
+
+ 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_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;
+ }
+
+ if ( !processed )
+ rc = wxWindow::MSWWindowProc(message, wParam, lParam);
+
+ return rc;
+}
+
+#if wxUSE_CTL3D
+
+// 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