remove unused variable assignment, closes #14928

[wxWidgets.git] / include / wx / generic / progdlgg.h

diff --git a/include/wx/generic/progdlgg.h b/include/wx/generic/progdlgg.h
index ec103f99a75f1158961e7433c129d7bf48b2723a..4e3c3e183b5e2ec28eb774882a42ab672f6f78b3 100644 (file)
--- a/include/wx/generic/progdlgg.h
+++ b/include/wx/generic/progdlgg.h
@@ -1,127 +1,230 @@
-////////////////////////////////////////////////////
-// Name:        progdlgg.h
-// Purpose:     wxProgressDialog class
-// Author:      Karsten Ballüder
-// Modified by:
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/generic/progdlgg.h
+// Purpose:     wxGenericProgressDialog class
+// Author:      Karsten Ballueder
+// Modified by: Francesco Montorsi

 // Created:     09.05.1999
 // RCS-ID:      $Id$
 // Created:     09.05.1999
 // RCS-ID:      $Id$

-// Copyright:   (c) Karsten Ballüder
-// Licence:     wxWindows license
-////////////////////////////////////////////////////
+// Copyright:   (c) Karsten Ballueder
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////

 
 #ifndef __PROGDLGH_G__
 #define __PROGDLGH_G__
 
 
 #ifndef __PROGDLGH_G__
 #define __PROGDLGH_G__
 

-#ifdef __GNUG__
-#pragma interface "progdlgg.h"
-#endif
+#include "wx/dialog.h"

 
 

-#include "wx/setup.h"
+class WXDLLIMPEXP_FWD_CORE wxButton;
+class WXDLLIMPEXP_FWD_CORE wxEventLoop;
+class WXDLLIMPEXP_FWD_CORE wxGauge;
+class WXDLLIMPEXP_FWD_CORE wxStaticText;
+class WXDLLIMPEXP_FWD_CORE wxWindowDisabler;
+
+/*
+    Progress dialog which shows a moving progress bar.
+    Taken from the Mahogany project.
+*/
+class WXDLLIMPEXP_CORE wxGenericProgressDialog : public wxDialog
+{
+public:
+    wxGenericProgressDialog();
+    wxGenericProgressDialog(const wxString& title, const wxString& message,
+                            int maximum = 100,
+                            wxWindow *parent = NULL,
+                            int style = wxPD_APP_MODAL | wxPD_AUTO_HIDE);

 
 

-#if wxUSE_PROGRESSDLG
+    virtual ~wxGenericProgressDialog();

 
 

-#include "wx/dialog.h"
+    bool Create(const wxString& title,
+                const wxString& message,
+                int maximum = 100,
+                wxWindow *parent = NULL,
+                int style = wxPD_APP_MODAL | wxPD_AUTO_HIDE);

 
 

-class WXDLLEXPORT wxButton;
-class WXDLLEXPORT wxGauge;
-class WXDLLEXPORT wxStaticText;
+    virtual bool Update(int value, const wxString& newmsg = wxEmptyString, bool *skip = NULL);
+    virtual bool Pulse(const wxString& newmsg = wxEmptyString, bool *skip = NULL);

 
 

-/* Progress dialog which shows a moving progress bar.
-    Taken from the Mahogany project.*/
+    void Resume();

 
 

-class WXDLLEXPORT wxProgressDialog : public wxDialog
-{
-DECLARE_DYNAMIC_CLASS(wxProgressDialog)
-public:
-   /* Creates and displays dialog, disables event handling for other
-       frames or parent frame to avoid recursion problems.
-       @param title title for window
-       @param message message to display in window
-       @param maximum value for status bar, if <= 0, no bar is shown
-       @param parent window or NULL
-       @param style is the bit mask of wxPD_XXX constants from wx/defs.h
-   */
-   wxProgressDialog(const wxString &title, wxString const &message,
-                    int maximum = 100,
-                    wxWindow *parent = NULL,
-                    int style = wxPD_APP_MODAL | wxPD_AUTO_HIDE);
-   /* Destructor.
-       Re-enables event handling for other windows.
-   */
-   ~wxProgressDialog();
-
-   /* Update the status bar to the new value.
-       @param value new value
-       @param newmsg if used, new message to display
-       @returns true if ABORT button has not been pressed
-   */
-   bool Update(int value = -1, const wxString& newmsg = wxT(""));
-
-   /* Can be called to continue after the cancel button has been pressed, but
-       the program decided to continue the operation (e.g., user didn't
-       confirm it)
-   */
-   void Resume() { m_state = Continue; }
+    int GetValue() const;
+    int GetRange() const;
+    wxString GetMessage() const;
+
+    void SetRange(int maximum);
+
+    // Return whether "Cancel" or "Skip" button was pressed, always return
+    // false if the corresponding button is not shown.
+    bool WasCancelled() const;
+    bool WasSkipped() const;
+
+    // Must provide overload to avoid hiding it (and warnings about it)
+    virtual void Update() { wxDialog::Update(); }
+
+    virtual bool Show( bool show = true );
+
+    // This enum is an implementation detail and should not be used
+    // by user code.
+    enum State
+    {
+        Uncancelable = -1,   // dialog can't be canceled
+        Canceled,            // can be cancelled and, in fact, was
+        Continue,            // can be cancelled but wasn't
+        Finished,            // finished, waiting to be removed from screen
+        Dismissed            // was closed by user after finishing
+    };

 
 protected:
 
 protected:

-   // callback for optional abort button
-   void OnCancel(wxCommandEvent& event);
+    // Update just the m_maximum field, this is used by public SetRange() but,
+    // unlike it, doesn't update the controls state. This makes it useful for
+    // both this class and its derived classes that don't use m_gauge to
+    // display progress.
+    void SetMaximum(int maximum);

 
 

-   // callback to disable "hard" window closing
-   void OnClose(wxCloseEvent& event);
+    // Return the labels to use for showing the elapsed/estimated/remaining
+    // times respectively.
+    static wxString GetElapsedLabel() { return wxGetTranslation("Elapsed time:"); }
+    static wxString GetEstimatedLabel() { return wxGetTranslation("Estimated time:"); }
+    static wxString GetRemainingLabel() { return wxGetTranslation("Remaining time:"); }

 
 

-   // callback to detect when the dialog is closed
-   void OnShow(wxShowEvent& event);

 
 

-   // must be called to reenable the other windows temporarily disabled while
-   // the dialog was shown
-   void ReenableOtherWindows();
+    // Similar to wxWindow::HasFlag() but tests for a presence of a wxPD_XXX
+    // flag in our (separate) flags instead of using m_windowStyle.
+    bool HasPDFlag(int flag) const { return (m_pdStyle & flag) != 0; }
+
+    // Return the progress dialog style. Prefer to use HasPDFlag() if possible.
+    int GetPDStyle() const { return m_pdStyle; }
+    void SetPDStyle(int pdStyle) { m_pdStyle = pdStyle; }
+
+    // Updates estimated times from a given progress bar value and stores the
+    // results in provided arguments.
+    void UpdateTimeEstimates(int value,
+                             unsigned long &elapsedTime,
+                             unsigned long &estimatedTime,
+                             unsigned long &remainingTime);
+
+    // Converts seconds to HH:mm:ss format.
+    static wxString GetFormattedTime(unsigned long timeInSec);
+
+    // callback for optional abort button
+    void OnCancel(wxCommandEvent&);
+
+    // callback for optional skip button
+    void OnSkip(wxCommandEvent&);
+
+    // callback to disable "hard" window closing
+    void OnClose(wxCloseEvent&);
+
+    // called to disable the other windows while this dialog is shown
+    void DisableOtherWindows();
+
+    // must be called to reenable the other windows temporarily disabled while
+    // the dialog was shown
+    void ReenableOtherWindows();
+
+    // Set the top level parent we store from the parent window provided when
+    // creating the dialog.
+    void SetTopParent(wxWindow* parent);
+
+    // return the top level parent window of this dialog (may be NULL)
+    wxWindow *GetTopParent() const { return m_parentTop; }
+
+
+    // continue processing or not (return value for Update())
+    State m_state;
+
+    // the maximum value
+    int m_maximum;
+
+#if defined(__WXMSW__ ) || defined(__WXPM__)
+    // the factor we use to always keep the value in 16 bit range as the native
+    // control only supports ranges from 0 to 65,535
+    size_t m_factor;
+#endif // __WXMSW__
+
+    // time when the dialog was created
+    unsigned long m_timeStart;
+    // time when the dialog was closed or cancelled
+    unsigned long m_timeStop;
+    // time between the moment the dialog was closed/cancelled and resume
+    unsigned long m_break;

 
 private:
 
 private:

-   // create the label with given text and another one to show the time nearby
-   // under the lastWindow and modify it to be the same as the control created
-   // (which is returned)
-   wxStaticText *CreateLabel(const wxString& text, wxWindow **lastWindow);
-
-   // the status bar
-   wxGauge *m_gauge;
-   // the message displayed
-   wxStaticText *m_msg;
-   // displayed elapsed, estimated, remaining time
-   class wxStaticText *m_elapsed,
-                      *m_estimated,
-                      *m_remaining;
-   // time when the dialog was created
-   unsigned long m_timeStart;
-
-   // parent top level window (may be NULL)
-   wxWindow *m_parentTop;
-
-   // continue processing or not (return value for Update())
-   enum
-   {
-      Uncancelable = -1,   // dialog can't be canceled
-      Canceled,            // can be cancelled and, in fact, was
-      Continue,            // can be cancelled but wasn't
-      Finished             // finished, waiting to be removed from screen
-   } m_state;
-
-   // the abort button (or NULL if none)
-   wxButton *m_btnAbort;
-
-   // the maximum value
-   int m_maximum;
-
-   // for wxPD_APP_MODAL case
-   class WXDLLEXPORT wxWindowDisabler *m_winDisabler;
-
-   DECLARE_EVENT_TABLE()
-private:
-    // Virtual function hiding supression
-    void Update()
-    { wxWindowBase::Update(); }
-};
+    // update the label to show the given time (in seconds)
+    static void SetTimeLabel(unsigned long val, wxStaticText *label);
+
+    // common part of all ctors
+    void Init();
+
+    // create the label with given text and another one to show the time nearby
+    // as the next windows in the sizer, returns the created control
+    wxStaticText *CreateLabel(const wxString& text, wxSizer *sizer);
+
+    // updates the label message
+    void UpdateMessage(const wxString &newmsg);
+
+    // common part of Update() and Pulse(), returns true if not cancelled
+    bool DoBeforeUpdate(bool *skip);
+
+    // common part of Update() and Pulse()
+    void DoAfterUpdate();
+
+    // shortcuts for enabling buttons
+    void EnableClose();
+    void EnableSkip(bool enable = true);
+    void EnableAbort(bool enable = true);
+    void DisableSkip() { EnableSkip(false); }
+    void DisableAbort() { EnableAbort(false); }
+
+    // the widget displaying current status (may be NULL)
+    wxGauge *m_gauge;
+    // the message displayed
+    wxStaticText *m_msg;
+    // displayed elapsed, estimated, remaining time
+    wxStaticText *m_elapsed,
+                 *m_estimated,
+                 *m_remaining;
+
+    // parent top level window (may be NULL)
+    wxWindow *m_parentTop;
+
+    // Progress dialog styles: this is not the same as m_windowStyle because
+    // wxPD_XXX constants clash with the existing TLW styles so to be sure we
+    // don't have any conflicts we just use a separate variable for storing
+    // them.
+    int m_pdStyle;
+
+    // skip some portion
+    bool m_skip;
+
+#if !defined(__SMARTPHONE__)
+    // the abort and skip buttons (or NULL if none)
+    wxButton *m_btnAbort;
+    wxButton *m_btnSkip;

 #endif
 
 #endif
 

-#endif
-    // __PROGDLGH_G__
+    // saves the time when elapsed time was updated so there is only one
+    // update per second
+    unsigned long m_last_timeupdate;
+
+    // tells how often a change of the estimated time has to be confirmed
+    // before it is actually displayed - this reduces the frequency of updates
+    // of estimated and remaining time
+    int m_delay;
+
+    // counts the confirmations
+    int m_ctdelay;
+    unsigned long m_display_estimated;
+
+    // for wxPD_APP_MODAL case
+    wxWindowDisabler *m_winDisabler;
+
+    // Temporary event loop created by the dialog itself if there is no
+    // currently active loop when it is created.
+    wxEventLoop *m_tempEventLoop;
+
+
+    DECLARE_EVENT_TABLE()
+    wxDECLARE_NO_COPY_CLASS(wxGenericProgressDialog);
+};
+
+#endif // __PROGDLGH_G__