Support using GetTextExtent() with empty string to get descent in wxOSX.

[wxWidgets.git] / include / wx / wizard.h

diff --git a/include/wx/wizard.h b/include/wx/wizard.h
index fd47de64a88bc649ca63c12dbb997719d9ed1835..59fe14f870e53559c5c1e91ac135043cf9122174 100644 (file)
--- a/include/wx/wizard.h
+++ b/include/wx/wizard.h
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        wizard.h
+// Name:        wx/wizard.h

 // Purpose:     wxWizard class: a GUI control presenting the user with a
 //              sequence of dialogs which allows to simply perform some task
 // Author:      Vadim Zeitlin (partly based on work by Ron Kuris and Kevin B.
 // Purpose:     wxWizard class: a GUI control presenting the user with a
 //              sequence of dialogs which allows to simply perform some task
 // Author:      Vadim Zeitlin (partly based on work by Ron Kuris and Kevin B.


@@ -7,33 +7,43 @@
 // Modified by: Robert Cavanaugh
 //              Added capability to use .WXR resource files in Wizard pages
 //              Added wxWIZARD_HELP event
 // Modified by: Robert Cavanaugh
 //              Added capability to use .WXR resource files in Wizard pages
 //              Added wxWIZARD_HELP event

+//              Robert Vazan (sizers)

 // Created:     15.08.99
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Created:     15.08.99
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_WIZARD_H_
 #define _WX_WIZARD_H_
 
 ///////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_WIZARD_H_
 #define _WX_WIZARD_H_
 

+#include "wx/defs.h"
+

 #if wxUSE_WIZARDDLG
 
 // ----------------------------------------------------------------------------
 // headers and other simple declarations
 // ----------------------------------------------------------------------------
 
 #if wxUSE_WIZARDDLG
 
 // ----------------------------------------------------------------------------
 // headers and other simple declarations
 // ----------------------------------------------------------------------------
 

-#ifndef WX_PRECOMP
-    #include "wx/dialog.h"      // the base class
-    #include "wx/panel.h"       // ditto
-
-    #include "wx/event.h"       // wxEVT_XXX constants
-#endif // WX_PRECOMP
+#include "wx/dialog.h"      // the base class
+#include "wx/panel.h"       // ditto
+#include "wx/event.h"       // wxEVT_XXX constants
+#include "wx/bitmap.h"

 
 // Extended style to specify a help button
 #define wxWIZARD_EX_HELPBUTTON   0x00000010
 
 
 // Extended style to specify a help button
 #define wxWIZARD_EX_HELPBUTTON   0x00000010
 

+// Placement flags
+#define wxWIZARD_VALIGN_TOP       0x01
+#define wxWIZARD_VALIGN_CENTRE    0x02
+#define wxWIZARD_VALIGN_BOTTOM    0x04
+#define wxWIZARD_HALIGN_LEFT      0x08
+#define wxWIZARD_HALIGN_CENTRE    0x10
+#define wxWIZARD_HALIGN_RIGHT     0x20
+#define wxWIZARD_TILE             0x40
+

 // forward declarations
 // forward declarations

-class WXDLLEXPORT wxWizard;
+class WXDLLIMPEXP_FWD_ADV wxWizard;

 
 // ----------------------------------------------------------------------------
 // wxWizardPage is one of the wizards screen: it must know what are the
 
 // ----------------------------------------------------------------------------
 // wxWizardPage is one of the wizards screen: it must know what are the


@@ -43,24 +53,20 @@ class WXDLLEXPORT wxWizard;
 // used as such (i.e. controls may be placed directly on it &c).
 // ----------------------------------------------------------------------------
 
 // used as such (i.e. controls may be placed directly on it &c).
 // ----------------------------------------------------------------------------
 

-class WXDLLEXPORT wxWizardPage : public wxPanel
+class WXDLLIMPEXP_ADV wxWizardPage : public wxPanel

 {
 public:
     wxWizardPage() { Init(); }
 {
 public:
     wxWizardPage() { Init(); }

-    // common part of ctors:
-    void Init();

 
     // ctor accepts an optional bitmap which will be used for this page instead
     // of the default one for this wizard (should be of the same size). Notice
     // that no other parameters are needed because the wizard will resize and
     // reposition the page anyhow
     wxWizardPage(wxWizard *parent,
 
     // ctor accepts an optional bitmap which will be used for this page instead
     // of the default one for this wizard (should be of the same size). Notice
     // that no other parameters are needed because the wizard will resize and
     // reposition the page anyhow
     wxWizardPage(wxWizard *parent,

-                 const wxBitmap& bitmap = wxNullBitmap,
-                 const wxChar* resource = NULL);
+                 const wxBitmap& bitmap = wxNullBitmap);

 
     bool Create(wxWizard *parent,
 
     bool Create(wxWizard *parent,

-                const wxBitmap& bitmap = wxNullBitmap,
-                const wxChar* resource = NULL);
+                const wxBitmap& bitmap = wxNullBitmap);

 
     // these functions are used by the wizard to show another page when the
     // user chooses "Back" or "Next" button
 
     // these functions are used by the wizard to show another page when the
     // user chooses "Back" or "Next" button


@@ -73,11 +79,35 @@ public:
     // wxNullBitmap from here - the default one will be used then.
     virtual wxBitmap GetBitmap() const { return m_bitmap; }
 
     // wxNullBitmap from here - the default one will be used then.
     virtual wxBitmap GetBitmap() const { return m_bitmap; }
 

+#if wxUSE_VALIDATORS
+    // Override the base functions to allow a validator to be assigned to this page.
+    virtual bool TransferDataToWindow()
+    {
+        return GetValidator() ? GetValidator()->TransferToWindow()
+                              : wxPanel::TransferDataToWindow();
+    }
+
+    virtual bool TransferDataFromWindow()
+    {
+        return GetValidator() ? GetValidator()->TransferFromWindow()
+                              : wxPanel::TransferDataFromWindow();
+    }
+
+    virtual bool Validate()
+    {
+        return GetValidator() ? GetValidator()->Validate(this)
+                              : wxPanel::Validate();
+    }
+#endif // wxUSE_VALIDATORS
+

 protected:
 protected:

+    // common part of ctors:
+    void Init();
+

     wxBitmap m_bitmap;
 
 private:
     wxBitmap m_bitmap;
 
 private:

-    DECLARE_ABSTRACT_CLASS(wxWizardPage)
+    DECLARE_DYNAMIC_CLASS_NO_COPY(wxWizardPage)

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------


@@ -89,42 +119,43 @@ private:
 // this, you must derive from wxWizardPage directly.
 // ----------------------------------------------------------------------------
 
 // this, you must derive from wxWizardPage directly.
 // ----------------------------------------------------------------------------
 

-class WXDLLEXPORT wxWizardPageSimple : public wxWizardPage
+class WXDLLIMPEXP_ADV wxWizardPageSimple : public wxWizardPage

 {
 public:
     wxWizardPageSimple() { Init(); }
 {
 public:
     wxWizardPageSimple() { Init(); }

-    // common part of ctors:
-    void Init()
-    {
-        m_prev = m_next = NULL;
-    }

 
     // ctor takes the previous and next pages
     wxWizardPageSimple(wxWizard *parent,
 
     // ctor takes the previous and next pages
     wxWizardPageSimple(wxWizard *parent,

-                       wxWizardPage *prev = (wxWizardPage *)NULL,
-                       wxWizardPage *next = (wxWizardPage *)NULL,
-                       const wxBitmap& bitmap = wxNullBitmap,
-                       const wxChar* resource = NULL)
+                       wxWizardPage *prev = NULL,
+                       wxWizardPage *next = NULL,
+                       const wxBitmap& bitmap = wxNullBitmap)

     {
     {

-        Create(parent, prev, next, bitmap, resource);
+        Create(parent, prev, next, bitmap);

     }
 
     bool Create(wxWizard *parent = NULL, // let it be default ctor too
     }
 
     bool Create(wxWizard *parent = NULL, // let it be default ctor too

-                wxWizardPage *prev = (wxWizardPage *)NULL,
-                wxWizardPage *next = (wxWizardPage *)NULL,
-                const wxBitmap& bitmap = wxNullBitmap,
-                const wxChar* resource = NULL)
+                wxWizardPage *prev = NULL,
+                wxWizardPage *next = NULL,
+                const wxBitmap& bitmap = wxNullBitmap)

     {
         m_prev = prev;
         m_next = next;
     {
         m_prev = prev;
         m_next = next;

-        return wxWizardPage::Create(parent, bitmap, resource);
+        return wxWizardPage::Create(parent, bitmap);

     }
 
     // the pointers may be also set later - but before starting the wizard
     void SetPrev(wxWizardPage *prev) { m_prev = prev; }
     void SetNext(wxWizardPage *next) { m_next = next; }
 
     }
 
     // the pointers may be also set later - but before starting the wizard
     void SetPrev(wxWizardPage *prev) { m_prev = prev; }
     void SetNext(wxWizardPage *next) { m_next = next; }
 

-    // a convenience function to make the pages follow each other
+    // Convenience functions to make the pages follow each other without having
+    // to call their SetPrev() or SetNext() explicitly.
+    wxWizardPageSimple& Chain(wxWizardPageSimple* next)
+    {
+        SetNext(next);
+        next->SetPrev(this);
+        return *next;
+    }
+

     static void Chain(wxWizardPageSimple *first, wxWizardPageSimple *second)
     {
         wxCHECK_RET( first && second,
     static void Chain(wxWizardPageSimple *first, wxWizardPageSimple *second)
     {
         wxCHECK_RET( first && second,


@@ -139,31 +170,42 @@ public:
     virtual wxWizardPage *GetNext() const;
 
 private:
     virtual wxWizardPage *GetNext() const;
 
 private:

+    // common part of ctors:
+    void Init()
+    {
+        m_prev = m_next = NULL;
+    }
+

     // pointers are private, the derived classes shouldn't mess with them -
     // just derive from wxWizardPage directly to implement different behaviour
     wxWizardPage *m_prev,
                  *m_next;
 
     // pointers are private, the derived classes shouldn't mess with them -
     // just derive from wxWizardPage directly to implement different behaviour
     wxWizardPage *m_prev,
                  *m_next;
 

-    DECLARE_DYNAMIC_CLASS(wxWizardPageSimple)
+    DECLARE_DYNAMIC_CLASS_NO_COPY(wxWizardPageSimple)

 };
 
 // ----------------------------------------------------------------------------
 // wxWizard
 // ----------------------------------------------------------------------------
 
 };
 
 // ----------------------------------------------------------------------------
 // wxWizard
 // ----------------------------------------------------------------------------
 

-class WXDLLEXPORT wxWizardBase : public wxDialog
+class WXDLLIMPEXP_ADV wxWizardBase : public wxDialog

 {
 public:
 {
 public:

-    // create the wizard control
-    static wxWizard *Create(wxWindow *parent,
-                            int id = -1,
-                            const wxString& title = wxEmptyString,
-                            const wxBitmap& bitmap = wxNullBitmap,
-                            const wxPoint& pos = wxDefaultPosition,
-                            const wxSize& size = wxDefaultSize);
-
-    // executes the wizard starting from the given page, returns TRUE if it was
-    // successfully finished, FALSE if user cancelled it
+    /*
+       The derived class (i.e. the real wxWizard) has a ctor and Create()
+       function taking the following arguments:
+
+        wxWizard(wxWindow *parent,
+                 int id = wxID_ANY,
+                 const wxString& title = wxEmptyString,
+                 const wxBitmap& bitmap = wxNullBitmap,
+                 const wxPoint& pos = wxDefaultPosition,
+                 long style = wxDEFAULT_DIALOG_STYLE);
+    */
+    wxWizardBase() { }
+
+    // executes the wizard starting from the given page, returns true if it was
+    // successfully finished, false if user cancelled it

     virtual bool RunWizard(wxWizardPage *firstPage) = 0;
 
     // get the current page (NULL if RunWizard() isn't running)
     virtual bool RunWizard(wxWizardPage *firstPage) = 0;
 
     // get the current page (NULL if RunWizard() isn't running)


@@ -174,8 +216,7 @@ public:
     // itself and will never be less than some predefined fixed size
     virtual void SetPageSize(const wxSize& size) = 0;
 
     // itself and will never be less than some predefined fixed size
     virtual void SetPageSize(const wxSize& size) = 0;
 

-    // get the size available for the page: the wizards are not resizeable, so
-    // this size doesn't change
+    // get the size available for the page

     virtual wxSize GetPageSize() const = 0;
 
     // set the best size for the wizard, i.e. make it big enough to contain all
     virtual wxSize GetPageSize() const = 0;
 
     // set the best size for the wizard, i.e. make it big enough to contain all


@@ -185,7 +226,33 @@ public:
     // pages in which case it will only increase the page size if needed (this
     // may be useful if not all pages are accessible from the first one by
     // default)
     // pages in which case it will only increase the page size if needed (this
     // may be useful if not all pages are accessible from the first one by
     // default)

-    virtual void Fit(const wxWizardPage *firstPage) = 0;
+    virtual void FitToPage(const wxWizardPage *firstPage) = 0;
+
+    // Adding pages to page area sizer enlarges wizard
+    virtual wxSizer *GetPageAreaSizer() const = 0;
+
+    // Set border around page area. Default is 0 if you add at least one
+    // page to GetPageAreaSizer and 5 if you don't.
+    virtual void SetBorder(int border) = 0;
+
+    // the methods below may be overridden by the derived classes to provide
+    // custom logic for determining the pages order
+
+    virtual bool HasNextPage(wxWizardPage *page)
+        { return page->GetNext() != NULL; }
+
+    virtual bool HasPrevPage(wxWizardPage *page)
+        { return page->GetPrev() != NULL; }
+
+    /// Override these functions to stop InitDialog from calling TransferDataToWindow
+    /// for _all_ pages when the wizard starts. Instead 'ShowPage' will call
+    /// TransferDataToWindow for the first page only.
+    bool TransferDataToWindow() { return true; }
+    bool TransferDataFromWindow() { return true; }
+    bool Validate() { return true; }
+
+private:
+    wxDECLARE_NO_COPY_CLASS(wxWizardBase);

 };
 
 // include the real class declaration
 };
 
 // include the real class declaration


@@ -197,55 +264,74 @@ public:
 // window hierarchy as usual
 // ----------------------------------------------------------------------------
 
 // window hierarchy as usual
 // ----------------------------------------------------------------------------
 

-class WXDLLEXPORT wxWizardEvent : public wxNotifyEvent
+class WXDLLIMPEXP_ADV wxWizardEvent : public wxNotifyEvent

 {
 public:
     wxWizardEvent(wxEventType type = wxEVT_NULL,
 {
 public:
     wxWizardEvent(wxEventType type = wxEVT_NULL,

-                  int id = -1,
-                  bool direction = TRUE,
+                  int id = wxID_ANY,
+                  bool direction = true,

                   wxWizardPage* page = NULL);
 
                   wxWizardPage* page = NULL);
 

-    // for EVT_WIZARD_PAGE_CHANGING, return TRUE if we're going forward or
-    // FALSE otherwise and for EVT_WIZARD_PAGE_CHANGED return TRUE if we came
-    // from the previous page and FALSE if we returned from the next one
+    // for EVT_WIZARD_PAGE_CHANGING, return true if we're going forward or
+    // false otherwise and for EVT_WIZARD_PAGE_CHANGED return true if we came
+    // from the previous page and false if we returned from the next one

     // (this function doesn't make sense for CANCEL events)
     bool GetDirection() const { return m_direction; }
 
     wxWizardPage*   GetPage() const { return m_page; }
 
     // (this function doesn't make sense for CANCEL events)
     bool GetDirection() const { return m_direction; }
 
     wxWizardPage*   GetPage() const { return m_page; }
 

+    virtual wxEvent *Clone() const { return new wxWizardEvent(*this); }
+

 private:
     bool m_direction;
     wxWizardPage*    m_page;
 
 private:
     bool m_direction;
     wxWizardPage*    m_page;
 

-    DECLARE_DYNAMIC_CLASS(wxWizardEvent)
+    DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxWizardEvent)

 };
 
 // ----------------------------------------------------------------------------
 // macros for handling wxWizardEvents
 // ----------------------------------------------------------------------------
 
 };
 
 // ----------------------------------------------------------------------------
 // macros for handling wxWizardEvents
 // ----------------------------------------------------------------------------
 

-BEGIN_DECLARE_EVENT_TYPES()
-    DECLARE_EVENT_TYPE(wxEVT_WIZARD_PAGE_CHANGED, 900)
-    DECLARE_EVENT_TYPE(wxEVT_WIZARD_PAGE_CHANGING, 901)
-    DECLARE_EVENT_TYPE(wxEVT_WIZARD_CANCEL, 902)
-    DECLARE_EVENT_TYPE(wxEVT_WIZARD_HELP, 903)
-END_DECLARE_EVENT_TYPES()
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_WIZARD_PAGE_CHANGED, wxWizardEvent );
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_WIZARD_PAGE_CHANGING, wxWizardEvent );
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_WIZARD_CANCEL, wxWizardEvent );
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_WIZARD_HELP, wxWizardEvent );
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_WIZARD_FINISHED, wxWizardEvent );
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_WIZARD_PAGE_SHOWN, wxWizardEvent );
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_WIZARD_BEFORE_PAGE_CHANGED, wxWizardEvent );

 
 typedef void (wxEvtHandler::*wxWizardEventFunction)(wxWizardEvent&);
 
 
 typedef void (wxEvtHandler::*wxWizardEventFunction)(wxWizardEvent&);
 

+#define wxWizardEventHandler(func) \
+    wxEVENT_HANDLER_CAST(wxWizardEventFunction, func)
+
+#define wx__DECLARE_WIZARDEVT(evt, id, fn) \
+    wx__DECLARE_EVT1(wxEVT_WIZARD_ ## evt, id, wxWizardEventHandler(fn))
+

 // notifies that the page has just been changed (can't be vetoed)
 // notifies that the page has just been changed (can't be vetoed)

-#define EVT_WIZARD_PAGE_CHANGED(id, fn) DECLARE_EVENT_TABLE_ENTRY(wxEVT_WIZARD_PAGE_CHANGED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL),
+#define EVT_WIZARD_PAGE_CHANGED(id, fn) wx__DECLARE_WIZARDEVT(PAGE_CHANGED, id, fn)

 
 // the user pressed "<Back" or "Next>" button and the page is going to be
 // changed - unless the event handler vetoes the event
 
 // the user pressed "<Back" or "Next>" button and the page is going to be
 // changed - unless the event handler vetoes the event

-#define EVT_WIZARD_PAGE_CHANGING(id, fn) DECLARE_EVENT_TABLE_ENTRY(wxEVT_WIZARD_PAGE_CHANGING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL),
+#define EVT_WIZARD_PAGE_CHANGING(id, fn) wx__DECLARE_WIZARDEVT(PAGE_CHANGING, id, fn)
+
+// Called before GetNext/GetPrev is called, so that the handler can change state that will be
+// used when GetNext/GetPrev is called. PAGE_CHANGING is called too late to influence GetNext/GetPrev.
+#define EVT_WIZARD_BEFORE_PAGE_CHANGED(id, fn) wx__DECLARE_WIZARDEVT(BEFORE_PAGE_CHANGED, id, fn)

 
 // the user pressed "Cancel" button and the wizard is going to be dismissed -
 // unless the event handler vetoes the event
 
 // the user pressed "Cancel" button and the wizard is going to be dismissed -
 // unless the event handler vetoes the event

-#define EVT_WIZARD_CANCEL(id, fn) DECLARE_EVENT_TABLE_ENTRY(wxEVT_WIZARD_CANCEL, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL),
+#define EVT_WIZARD_CANCEL(id, fn) wx__DECLARE_WIZARDEVT(CANCEL, id, fn)
+
+// the user pressed "Finish" button and the wizard is going to be dismissed -
+#define EVT_WIZARD_FINISHED(id, fn) wx__DECLARE_WIZARDEVT(FINISHED, id, fn)
+
+// the user pressed "Help" button
+#define EVT_WIZARD_HELP(id, fn) wx__DECLARE_WIZARDEVT(HELP, id, fn)

 
 

-// the user pressed "Help" button 
-#define EVT_WIZARD_HELP(id, fn) DECLARE_EVENT_TABLE_ENTRY(wxEVT_WIZARD_HELP, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL),
+// the page was just shown and laid out
+#define EVT_WIZARD_PAGE_SHOWN(id, fn) wx__DECLARE_WIZARDEVT(PAGE_SHOWN, id, fn)

 
 #endif // wxUSE_WIZARDDLG
 
 
 #endif // wxUSE_WIZARDDLG