#include "wx/msw/private/msgdlg.h"
#include "wx/progdlg.h"
+#include "wx/evtloop.h"
using namespace wxMSWMessageDialog;
wxString m_labelCancel; // Privately used by callback.
unsigned long m_timeStop;
- wxGenericProgressDialog::ProgressDialogState m_state;
+ wxProgressDialog::State m_state;
bool m_progressBarMarquee;
bool m_skipped;
LONG_PTR dwRefData);
};
+namespace
+{
+
+// A custom event loop which runs until the state of the dialog becomes
+// "Dismissed".
+class wxProgressDialogModalLoop : public wxEventLoop
+{
+public:
+ wxProgressDialogModalLoop(wxProgressDialogSharedData& data)
+ : m_data(data)
+ {
+ }
+
+protected:
+ virtual void OnNextIteration()
+ {
+ wxCriticalSectionLocker locker(m_data.m_cs);
+
+ if ( m_data.m_state == wxProgressDialog::Dismissed )
+ Exit();
+ }
+
+ wxProgressDialogSharedData& m_data;
+
+ wxDECLARE_NO_COPY_CLASS(wxProgressDialogModalLoop);
+};
+
// ============================================================================
// Helper functions
// ============================================================================
-namespace
-{
-
// This function returns true if the progress dialog with the given style
// (combination of wxPD_XXX constants) needs the "Close" button and this button
// only, i.e. not a "Cancel" one.
// Is the progress finished?
if ( sharedData->m_notifications & wxSPDD_FINISHED )
{
- sharedData->m_state = wxGenericProgressDialog::Finished;
+ sharedData->m_state = wxProgressDialog::Finished;
if ( !(sharedData->m_style & wxPD_AUTO_HIDE) )
{
int maximum,
wxWindow *parent,
int style )
- : wxGenericProgressDialog(parent, maximum, style),
+ : wxGenericProgressDialog(parent, style),
m_taskDialogRunner(NULL),
m_sharedData(NULL),
m_message(message),
#ifdef wxHAS_MSW_TASKDIALOG
if ( HasNativeProgressDialog() )
{
+ SetMaximum(maximum);
+
Show();
DisableOtherWindows();
#ifdef wxHAS_MSW_TASKDIALOG
if ( HasNativeProgressDialog() )
{
- wxCriticalSectionLocker locker(m_sharedData->m_cs);
+ {
+ wxCriticalSectionLocker locker(m_sharedData->m_cs);
- // Do nothing in canceled state.
- if ( !DoNativeBeforeUpdate(skip) )
- return false;
+ // Do nothing in canceled state.
+ if ( !DoNativeBeforeUpdate(skip) )
+ return false;
- value /= m_factor;
+ value /= m_factor;
- wxASSERT_MSG( value <= m_maximum, wxT("invalid progress value") );
+ wxASSERT_MSG( value <= m_maximum, wxT("invalid progress value") );
- m_sharedData->m_value = value;
- m_sharedData->m_notifications |= wxSPDD_VALUE_CHANGED;
+ m_sharedData->m_value = value;
+ m_sharedData->m_notifications |= wxSPDD_VALUE_CHANGED;
- if ( !newmsg.empty() )
- {
- m_message = newmsg;
- m_sharedData->m_message = newmsg;
- m_sharedData->m_notifications |= wxSPDD_MESSAGE_CHANGED;
- }
+ if ( !newmsg.empty() )
+ {
+ m_message = newmsg;
+ m_sharedData->m_message = newmsg;
+ m_sharedData->m_notifications |= wxSPDD_MESSAGE_CHANGED;
+ }
- if ( m_sharedData->m_progressBarMarquee )
- {
- m_sharedData->m_progressBarMarquee = false;
- m_sharedData->m_notifications |= wxSPDD_PBMARQUEE_CHANGED;
- }
+ if ( m_sharedData->m_progressBarMarquee )
+ {
+ m_sharedData->m_progressBarMarquee = false;
+ m_sharedData->m_notifications |= wxSPDD_PBMARQUEE_CHANGED;
+ }
- UpdateExpandedInformation( value );
+ UpdateExpandedInformation( value );
+
+ // If we didn't just reach the finish, all we have to do is to
+ // return true if the dialog wasn't cancelled and false otherwise.
+ if ( value != m_maximum || m_state == Finished )
+ return m_sharedData->m_state != Canceled;
- // Has the progress bar finished?
- if ( value == m_maximum )
- {
- if ( m_state == Finished )
- return true;
+ // On finishing, the dialog without wxPD_AUTO_HIDE style becomes a
+ // modal one meaning that we must block here until the user
+ // dismisses it.
m_state = Finished;
m_sharedData->m_state = Finished;
m_sharedData->m_notifications |= wxSPDD_FINISHED;
- if( !HasPDFlag(wxPD_AUTO_HIDE) && newmsg.empty() )
+ if ( HasPDFlag(wxPD_AUTO_HIDE) )
+ return true;
+
+ if ( newmsg.empty() )
{
// Provide the finishing message if the application didn't.
m_message = _("Done.");
m_sharedData->m_message = m_message;
m_sharedData->m_notifications |= wxSPDD_MESSAGE_CHANGED;
}
- }
-
- return m_sharedData->m_state != Canceled;
+ } // unlock m_sharedData->m_cs
+
+ // We only get here when we need to wait for the dialog to terminate so
+ // do just this by running a custom event loop until the dialog is
+ // dismissed.
+ wxProgressDialogModalLoop loop(*m_sharedData);
+ loop.Run();
+ return true;
}
#endif // wxHAS_MSW_TASKDIALOG
void wxProgressDialog::SetRange(int maximum)
{
- wxGenericProgressDialog::SetRange( maximum );
-
#ifdef wxHAS_MSW_TASKDIALOG
if ( HasNativeProgressDialog() )
{
+ SetMaximum(maximum);
+
wxCriticalSectionLocker locker(m_sharedData->m_cs);
m_sharedData->m_range = maximum;
m_sharedData->m_notifications |= wxSPDD_RANGE_CHANGED;
+
+ return;
}
#endif // wxHAS_MSW_TASKDIALOG
+
+ wxGenericProgressDialog::SetRange( maximum );
}
bool wxProgressDialog::WasSkipped() const
m_sharedData.m_labelCancel );
}
- tdc.dwFlags |= TDF_CALLBACK_TIMER
- | TDF_SHOW_PROGRESS_BAR
- | TDF_SHOW_MARQUEE_PROGRESS_BAR;
+ tdc.dwFlags |= TDF_CALLBACK_TIMER | TDF_SHOW_PROGRESS_BAR;
if ( !m_sharedData.m_expandedInformation.empty() )
{
if ( FAILED(hr) )
wxLogApiError( "TaskDialogIndirect", hr );
+ // If the main thread is waiting for us to exit inside the event loop in
+ // Update(), wake it up so that it checks our status again.
+ wxWakeUpIdle();
+
return NULL;
}
return TRUE;
case IDCANCEL:
- if ( sharedData->m_state
- == wxGenericProgressDialog::Finished )
+ if ( sharedData->m_state == wxProgressDialog::Finished )
{
+ // If the main thread is waiting for us, tell it that
+ // we're gone (and if it doesn't wait, it's harmless).
+ sharedData->m_state = wxProgressDialog::Dismissed;
+
+ // Let Windows close the dialog.
return FALSE;
}
// a finished dialog.
if ( !UsesCloseButtonOnly(sharedData->m_style) )
{
- wxCHECK_MSG( sharedData->m_state ==
- wxGenericProgressDialog::Continue,
- TRUE,
- "Dialog not in a cancelable state!");
+ wxCHECK_MSG
+ (
+ sharedData->m_state == wxProgressDialog::Continue,
+ TRUE,
+ "Dialog not in a cancelable state!"
+ );
::SendMessage(hwnd, TDM_ENABLE_BUTTON, Id_SkipBtn, FALSE);
::SendMessage(hwnd, TDM_ENABLE_BUTTON, IDCANCEL, FALSE);
sharedData->m_timeStop = wxGetCurrentTime();
- sharedData->m_state = wxGenericProgressDialog::Canceled;
+ sharedData->m_state = wxProgressDialog::Canceled;
}
return TRUE;
case TDN_TIMER:
PerformNotificationUpdates(hwnd, sharedData);
- // End dialog in three different cases:
- // 1. Progress finished and dialog should automatically hide.
- // 2. The wxProgressDialog object was destructed and should
- // automatically hide.
- // 3. The dialog was canceled and wxProgressDialog object
- // was destroyed.
- bool isCanceled =
- sharedData->m_state == wxGenericProgressDialog::Canceled;
- bool isFinished =
- sharedData->m_state == wxGenericProgressDialog::Finished;
- bool wasDestroyed =
- (sharedData->m_notifications & wxSPDD_DESTROYED) != 0;
- bool shouldAutoHide = (sharedData->m_style & wxPD_AUTO_HIDE) != 0;
-
- if ( (shouldAutoHide && (isFinished || wasDestroyed))
- || (wasDestroyed && isCanceled) )
+ /*
+ Decide whether we should end the dialog. This is done if either
+ the dialog object itself was destroyed or if the progress
+ finished and we were configured to hide automatically without
+ waiting for the user to dismiss us.
+
+ Notice that we do not close the dialog if it was cancelled
+ because it's up to the user code in the main thread to decide
+ whether it really wants to cancel the dialog.
+ */
+ if ( (sharedData->m_notifications & wxSPDD_DESTROYED) ||
+ (sharedData->m_state == wxProgressDialog::Finished &&
+ sharedData->m_style & wxPD_AUTO_HIDE) )
{
::EndDialog( hwnd, IDCLOSE );
}
projects / wxWidgets.git / blobdiff