Fix fatal bug with deleting the old contents in wxScopedArray::reset().

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

diff --git a/include/wx/toplevel.h b/include/wx/toplevel.h
index 4b96c869a861f37d06e5c81cd0bfb75f10723cb4..f57d7b88948490e56441582a41e46075ca57441e 100644 (file)
--- a/include/wx/toplevel.h
+++ b/include/wx/toplevel.h
@@ -18,41 +18,87 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#include "wx/window.h"
+#include "wx/nonownedwnd.h"

 #include "wx/iconbndl.h"
 #include "wx/iconbndl.h"

+#include "wx/containr.h"
+#include "wx/weakref.h"

 
 

-// the default names for various classs
-extern WXDLLEXPORT_DATA(const wxChar*) wxFrameNameStr;
+// the default names for various classes
+extern WXDLLIMPEXP_DATA_CORE(const char) wxFrameNameStr[];

 
 

-class WXDLLEXPORT wxTopLevelWindowBase;
+class WXDLLIMPEXP_FWD_CORE wxTopLevelWindowBase;

 
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 

+/*
+    Summary of the bits used (some of them are defined in wx/frame.h and
+    wx/dialog.h and not here):
+
+    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+    |15|14|13|12|11|10| 9| 8| 7| 6| 5| 4| 3| 2| 1| 0|
+    +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+      |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
+      |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  \_ wxCENTRE
+      |  |  |  |  |  |  |  |  |  |  |  |  |  |  \____ wxFRAME_NO_TASKBAR
+      |  |  |  |  |  |  |  |  |  |  |  |  |  \_______ wxFRAME_TOOL_WINDOW
+      |  |  |  |  |  |  |  |  |  |  |  |  \__________ wxFRAME_FLOAT_ON_PARENT
+      |  |  |  |  |  |  |  |  |  |  |  \_____________ wxFRAME_SHAPED
+      |  |  |  |  |  |  |  |  |  |  \________________ wxDIALOG_NO_PARENT
+      |  |  |  |  |  |  |  |  |  \___________________ wxRESIZE_BORDER
+      |  |  |  |  |  |  |  |  \______________________ wxTINY_CAPTION_VERT
+      |  |  |  |  |  |  |  \_________________________
+      |  |  |  |  |  |  \____________________________ wxMAXIMIZE_BOX
+      |  |  |  |  |  \_______________________________ wxMINIMIZE_BOX
+      |  |  |  |  \__________________________________ wxSYSTEM_MENU
+      |  |  |  \_____________________________________ wxCLOSE_BOX
+      |  |  \________________________________________ wxMAXIMIZE
+      |  \___________________________________________ wxMINIMIZE
+      \______________________________________________ wxSTAY_ON_TOP
+
+
+    Notice that the 8 lower bits overlap with wxCENTRE and the button selection
+    bits (wxYES, wxOK wxNO, wxCANCEL, wxAPPLY, wxCLOSE and wxNO_DEFAULT) which
+    can be combined with the dialog style for several standard dialogs and
+    hence shouldn't overlap with any styles which can be used for the dialogs.
+    Additionally, wxCENTRE can be used with frames also.
+ */
+

 // style common to both wxFrame and wxDialog
 #define wxSTAY_ON_TOP           0x8000
 #define wxICONIZE               0x4000
 #define wxMINIMIZE              wxICONIZE
 #define wxMAXIMIZE              0x2000
 // style common to both wxFrame and wxDialog
 #define wxSTAY_ON_TOP           0x8000
 #define wxICONIZE               0x4000
 #define wxMINIMIZE              wxICONIZE
 #define wxMAXIMIZE              0x2000

-#define wxCLOSE_BOX             0x1000
+#define wxCLOSE_BOX             0x1000  // == wxHELP so can't be used with it

 
 #define wxSYSTEM_MENU           0x0800
 #define wxMINIMIZE_BOX          0x0400
 #define wxMAXIMIZE_BOX          0x0200
 
 #define wxSYSTEM_MENU           0x0800
 #define wxMINIMIZE_BOX          0x0400
 #define wxMAXIMIZE_BOX          0x0200

-#define wxTINY_CAPTION_HORIZ    0x0100
-#define wxTINY_CAPTION_VERT     0x0080
-#define wxRESIZE_BORDER         0x0040

 
 

-// deprecated versions defined for compatibility reasons
-#define wxRESIZE_BOX            wxMAXIMIZE_BOX
-#define wxTHICK_FRAME           wxRESIZE_BORDER
+#define wxTINY_CAPTION          0x0080  // clashes with wxNO_DEFAULT
+#define wxRESIZE_BORDER         0x0040  // == wxCLOSE
+
+#if WXWIN_COMPATIBILITY_2_8
+    // HORIZ and VERT styles are equivalent anyhow so don't use different names
+    // for them
+    #define wxTINY_CAPTION_HORIZ    wxTINY_CAPTION
+    #define wxTINY_CAPTION_VERT     wxTINY_CAPTION
+#endif
+
+#if WXWIN_COMPATIBILITY_2_6
+
+    // deprecated versions defined for compatibility reasons
+    #define wxRESIZE_BOX            wxMAXIMIZE_BOX
+    #define wxTHICK_FRAME           wxRESIZE_BORDER

 
 

-// obsolete styles, unused any more
-#define wxDIALOG_MODAL          0
-#define wxDIALOG_MODELESS       0
-#define wxNO_3D                 0
-#define wxUSER_COLOURS          0
+    // obsolete styles, unused any more
+    #define wxDIALOG_MODAL          0
+    #define wxDIALOG_MODELESS       0
+    #define wxNO_3D                 0
+    #define wxUSER_COLOURS          0
+
+#endif // WXWIN_COMPATIBILITY_2_6

 
 // default style
 //
 
 // default style
 //


@@ -111,7 +157,8 @@ enum
 // wxTopLevelWindow: a top level (as opposed to child) window
 // ----------------------------------------------------------------------------
 
 // wxTopLevelWindow: a top level (as opposed to child) window
 // ----------------------------------------------------------------------------
 

-class WXDLLEXPORT wxTopLevelWindowBase : public wxWindow
+class WXDLLIMPEXP_CORE wxTopLevelWindowBase :
+    public wxNavigationEnabled<wxNonOwnedWindow>

 {
 public:
     // construction
 {
 public:
     // construction


@@ -133,67 +180,105 @@ public:
     // return true if the frame is maximized
     virtual bool IsMaximized() const = 0;
 
     // return true if the frame is maximized
     virtual bool IsMaximized() const = 0;
 

+    // return true if the frame is always maximized
+    // due to native guidelines or current policy
+    virtual bool IsAlwaysMaximized() const;
+

     // return true if the frame is iconized
     virtual bool IsIconized() const = 0;
 
     // get the frame icon
     // return true if the frame is iconized
     virtual bool IsIconized() const = 0;
 
     // get the frame icon

-    const wxIcon& GetIcon() const { return m_icons.GetIcon( -1 ); }
+    wxIcon GetIcon() const;

 
     // get the frame icons
     const wxIconBundle& GetIcons() const { return m_icons; }
 
 
     // get the frame icons
     const wxIconBundle& GetIcons() const { return m_icons; }
 

-    // set the frame icon
-    virtual void SetIcon(const wxIcon& icon) { m_icons = wxIconBundle( icon ); }
+    // set the frame icon: implemented in terms of SetIcons()
+    void SetIcon(const wxIcon& icon);

 
     // set the frame icons
 
     // set the frame icons

-    virtual void SetIcons(const wxIconBundle& icons ) { m_icons = icons; }
+    virtual void SetIcons(const wxIconBundle& icons) { m_icons = icons; }

 
     // maximize the window to cover entire screen
     virtual bool ShowFullScreen(bool show, long style = wxFULLSCREEN_ALL) = 0;
 
 
     // maximize the window to cover entire screen
     virtual bool ShowFullScreen(bool show, long style = wxFULLSCREEN_ALL) = 0;
 

+    // shows the window, but doesn't activate it. If the base code is being run,
+    // it means the port doesn't implement this method yet and so alert the user.
+    virtual void ShowWithoutActivating() {
+        wxFAIL_MSG("ShowWithoutActivating not implemented on this platform.");
+    }
+

     // return true if the frame is in fullscreen mode
     virtual bool IsFullScreen() const = 0;
 
     // return true if the frame is in fullscreen mode
     virtual bool IsFullScreen() const = 0;
 

-#if defined(__WXMSW__) || \
-    defined(__WXMGL__) || \
-    defined(__WXMOTIF__) || \
-    defined(__WXGTK__)
-
-    // FIXME: This is work in progress about moving SetTitle/GetTitle from wxWindow
-    // to wxTopLevelWindow so initially enabled in wxMSW only to observe results
-    // and continue on other platforms
-
-    // the title (or label, see below) of the window: the text which the
-    // window shows
+    // the title of the top level window: the text which the
+    // window shows usually at the top of the frame/dialog in dedicated bar

     virtual void SetTitle(const wxString& title) = 0;
     virtual wxString GetTitle() const = 0;
     virtual void SetTitle(const wxString& title) = 0;
     virtual wxString GetTitle() const = 0;

-#endif

 
 

-    // Set the shape of the window to the given region.
-    // Returns true if the platform supports this feature (and the
-    // operation is successful.)
-    virtual bool SetShape(const wxRegion& WXUNUSED(region)) { return false; }
+    // enable/disable close button [x]
+    virtual bool EnableCloseButton(bool WXUNUSED(enable) ) { return false; }

 
     // Attracts the users attention to this window if the application is
     // inactive (should be called when a background event occurs)
     virtual void RequestUserAttention(int flags = wxUSER_ATTENTION_INFO);
 
     // Is this the active frame (highlighted in the taskbar)?
 
     // Attracts the users attention to this window if the application is
     // inactive (should be called when a background event occurs)
     virtual void RequestUserAttention(int flags = wxUSER_ATTENTION_INFO);
 
     // Is this the active frame (highlighted in the taskbar)?

-    virtual bool IsActive()
-        { return (wxGetTopLevelParent(FindFocus()) == this); }
+    virtual bool IsActive() { return wxGetTopLevelParent(FindFocus()) == this; }
+
+    // this function may be overridden to return false to allow closing the
+    // application even when this top level window is still open
+    //
+    // notice that the window is still closed prior to the application exit and
+    // so it can still veto it even if it returns false from here
+    virtual bool ShouldPreventAppExit() const { return true; }
+

 
 #if defined(__SMARTPHONE__)
     virtual void SetLeftMenu(int id = wxID_ANY, const wxString& label = wxEmptyString, wxMenu *subMenu = NULL) = 0;
     virtual void SetRightMenu(int id = wxID_ANY, const wxString& label = wxEmptyString, wxMenu *subMenu = NULL) = 0;
 #endif // __SMARTPHONE__
 
 
 #if defined(__SMARTPHONE__)
     virtual void SetLeftMenu(int id = wxID_ANY, const wxString& label = wxEmptyString, wxMenu *subMenu = NULL) = 0;
     virtual void SetRightMenu(int id = wxID_ANY, const wxString& label = wxEmptyString, wxMenu *subMenu = NULL) = 0;
 #endif // __SMARTPHONE__
 

+    // centre the window on screen: this is just a shortcut
+    void CentreOnScreen(int dir = wxBOTH) { DoCentre(dir | wxCENTRE_ON_SCREEN); }
+    void CenterOnScreen(int dir = wxBOTH) { CentreOnScreen(dir); }
+
+    // Get the default size for a new top level window. This is used when
+    // creating a wxTLW under some platforms if no explicit size given.
+    static wxSize GetDefaultSize();
+
+
+    // default item access: we have a permanent default item which is the one
+    // set by the user code but we may also have a temporary default item which
+    // would be chosen if the user pressed "Enter" now but the default action
+    // reverts to the "permanent" default as soon as this temporary default
+    // item loses focus
+
+    // get the default item, temporary or permanent
+    wxWindow *GetDefaultItem() const
+        { return m_winTmpDefault ? m_winTmpDefault : m_winDefault; }
+
+    // set the permanent default item, return the old default
+    wxWindow *SetDefaultItem(wxWindow *win)
+        { wxWindow *old = GetDefaultItem(); m_winDefault = win; return old; }
+
+    // return the temporary default item, can be NULL
+    wxWindow *GetTmpDefaultItem() const { return m_winTmpDefault; }
+
+    // set a temporary default item, SetTmpDefaultItem(NULL) should be called
+    // soon after a call to SetTmpDefaultItem(window), return the old default
+    wxWindow *SetTmpDefaultItem(wxWindow *win)
+        { wxWindow *old = GetDefaultItem(); m_winTmpDefault = win; return old; }
+
+

     // implementation only from now on
     // -------------------------------
 
     // override some base class virtuals
     virtual bool Destroy();
     virtual bool IsTopLevel() const { return true; }
     // implementation only from now on
     // -------------------------------
 
     // override some base class virtuals
     virtual bool Destroy();
     virtual bool IsTopLevel() const { return true; }

-    virtual wxSize GetMaxSize() const;
+    virtual bool IsTopNavigationDomain() const { return true; }
+    virtual bool IsVisible() const { return IsShown(); }

 
     // event handlers
     void OnCloseWindow(wxCloseEvent& event);
 
     // event handlers
     void OnCloseWindow(wxCloseEvent& event);


@@ -209,16 +294,12 @@ public:
     // do the window-specific processing after processing the update event
     virtual void DoUpdateWindowUI(wxUpdateUIEvent& event) ;
 
     // do the window-specific processing after processing the update event
     virtual void DoUpdateWindowUI(wxUpdateUIEvent& event) ;
 

-    // Reserved for future use
-    virtual void ReservedTopLevelWindowFunc1() {}
-    virtual void ReservedTopLevelWindowFunc2() {}
-    virtual void ReservedTopLevelWindowFunc3() {}
-    virtual void ReservedTopLevelWindowFunc4() {}
-    virtual void ReservedTopLevelWindowFunc5() {}
-    virtual void ReservedTopLevelWindowFunc6() {}
-    virtual void ReservedTopLevelWindowFunc7() {}
-    virtual void ReservedTopLevelWindowFunc8() {}
-    virtual void ReservedTopLevelWindowFunc9() {}
+    // a different API for SetSizeHints
+    virtual void SetMinSize(const wxSize& minSize);
+    virtual void SetMaxSize(const wxSize& maxSize);
+
+    virtual void OSXSetModified(bool modified) { m_modified = modified; }
+    virtual bool OSXIsModified() const { return m_modified; }

 
 protected:
     // the frame client to screen translation should take account of the
 
 protected:
     // the frame client to screen translation should take account of the


@@ -226,13 +307,22 @@ protected:
     virtual void DoClientToScreen(int *x, int *y) const;
     virtual void DoScreenToClient(int *x, int *y) const;
 
     virtual void DoClientToScreen(int *x, int *y) const;
     virtual void DoScreenToClient(int *x, int *y) const;
 

+    // add support for wxCENTRE_ON_SCREEN
+    virtual void DoCentre(int dir);
+
+    // no need to do client to screen translation to get our position in screen
+    // coordinates: this is already the case
+    virtual void DoGetScreenPosition(int *x, int *y) const
+    {
+        DoGetPosition(x, y);
+    }
+

     // test whether this window makes part of the frame
     // (menubar, toolbar and statusbar are excluded from automatic layout)
     virtual bool IsOneOfBars(const wxWindow *WXUNUSED(win)) const
         { return false; }
 
     // test whether this window makes part of the frame
     // (menubar, toolbar and statusbar are excluded from automatic layout)
     virtual bool IsOneOfBars(const wxWindow *WXUNUSED(win)) const
         { return false; }
 

-    // check if we should exit the program after deleting this top level
-    // window (this is used in common dtor and wxMSW code)
+    // check if we should exit the program after deleting this window

     bool IsLastBeforeExit() const;
 
     // send the iconize event, return true if processed
     bool IsLastBeforeExit() const;
 
     // send the iconize event, return true if processed


@@ -242,17 +332,22 @@ protected:
     // client area
     void DoLayout();
 
     // client area
     void DoLayout();
 

-    // Get the default size for the new window if no explicit size given. If
-    // there are better default sizes then these can be changed, just as long
-    // as they are not too small for TLWs (and not larger than screen).
-    static wxSize GetDefaultSize();

     static int WidthDefault(int w) { return w == wxDefaultCoord ? GetDefaultSize().x : w; }
     static int HeightDefault(int h) { return h == wxDefaultCoord ? GetDefaultSize().y : h; }
 
     static int WidthDefault(int w) { return w == wxDefaultCoord ? GetDefaultSize().x : w; }
     static int HeightDefault(int h) { return h == wxDefaultCoord ? GetDefaultSize().y : h; }
 

+

     // the frame icon
     wxIconBundle m_icons;
 
     // the frame icon
     wxIconBundle m_icons;
 

-    DECLARE_NO_COPY_CLASS(wxTopLevelWindowBase)
+    // a default window (usually a button) or NULL
+    wxWindowRef m_winDefault;
+
+    // a temporary override of m_winDefault, use the latter if NULL
+    wxWindowRef m_winTmpDefault;
+
+    bool m_modified;
+
+    wxDECLARE_NO_COPY_CLASS(wxTopLevelWindowBase);

     DECLARE_EVENT_TABLE()
 };
 
     DECLARE_EVENT_TABLE()
 };
 


@@ -264,17 +359,23 @@ protected:
 #elif defined(__WXMSW__)
     #include "wx/msw/toplevel.h"
     #define wxTopLevelWindowNative wxTopLevelWindowMSW
 #elif defined(__WXMSW__)
     #include "wx/msw/toplevel.h"
     #define wxTopLevelWindowNative wxTopLevelWindowMSW

-#elif defined(__WXGTK__)
+#elif defined(__WXGTK20__)

     #include "wx/gtk/toplevel.h"
     #define wxTopLevelWindowNative wxTopLevelWindowGTK
     #include "wx/gtk/toplevel.h"
     #define wxTopLevelWindowNative wxTopLevelWindowGTK

+#elif defined(__WXGTK__)
+    #include "wx/gtk1/toplevel.h"
+    #define wxTopLevelWindowNative wxTopLevelWindowGTK

 #elif defined(__WXX11__)
     #include "wx/x11/toplevel.h"
     #define wxTopLevelWindowNative wxTopLevelWindowX11
 #elif defined(__WXMGL__)
     #include "wx/mgl/toplevel.h"
     #define wxTopLevelWindowNative wxTopLevelWindowMGL
 #elif defined(__WXX11__)
     #include "wx/x11/toplevel.h"
     #define wxTopLevelWindowNative wxTopLevelWindowX11
 #elif defined(__WXMGL__)
     #include "wx/mgl/toplevel.h"
     #define wxTopLevelWindowNative wxTopLevelWindowMGL

+#elif defined(__WXDFB__)
+    #include "wx/dfb/toplevel.h"
+    #define wxTopLevelWindowNative wxTopLevelWindowDFB

 #elif defined(__WXMAC__)
 #elif defined(__WXMAC__)

-    #include "wx/mac/toplevel.h"
+    #include "wx/osx/toplevel.h"

     #define wxTopLevelWindowNative wxTopLevelWindowMac
 #elif defined(__WXCOCOA__)
     #include "wx/cocoa/toplevel.h"
     #define wxTopLevelWindowNative wxTopLevelWindowMac
 #elif defined(__WXCOCOA__)
     #include "wx/cocoa/toplevel.h"


@@ -290,28 +391,25 @@ protected:
 #ifdef __WXUNIVERSAL__
     #include "wx/univ/toplevel.h"
 #else // !__WXUNIVERSAL__
 #ifdef __WXUNIVERSAL__
     #include "wx/univ/toplevel.h"
 #else // !__WXUNIVERSAL__

-    #ifdef wxTopLevelWindowNative
-        class WXDLLEXPORT wxTopLevelWindow : public wxTopLevelWindowNative
+    class WXDLLIMPEXP_CORE wxTopLevelWindow : public wxTopLevelWindowNative
+    {
+    public:
+        // construction
+        wxTopLevelWindow() { }
+        wxTopLevelWindow(wxWindow *parent,
+                   wxWindowID winid,
+                   const wxString& title,
+                   const wxPoint& pos = wxDefaultPosition,
+                   const wxSize& size = wxDefaultSize,
+                   long style = wxDEFAULT_FRAME_STYLE,
+                   const wxString& name = wxFrameNameStr)
+            : wxTopLevelWindowNative(parent, winid, title,
+                                     pos, size, style, name)

         {
         {

-        public:
-            // construction
-            wxTopLevelWindow() { Init(); }
-            wxTopLevelWindow(wxWindow *parent,
-                       wxWindowID winid,
-                       const wxString& title,
-                       const wxPoint& pos = wxDefaultPosition,
-                       const wxSize& size = wxDefaultSize,
-                       long style = wxDEFAULT_FRAME_STYLE,
-                       const wxString& name = wxFrameNameStr)
-            {
-                Init();
-                Create(parent, winid, title, pos, size, style, name);
-            }
-
-            DECLARE_DYNAMIC_CLASS_NO_COPY(wxTopLevelWindow)
-        };
-    #endif // wxTopLevelWindowNative
-#endif // __WXUNIVERSAL__/!__WXUNIVERSAL__
+        }

 
 

+        DECLARE_DYNAMIC_CLASS_NO_COPY(wxTopLevelWindow)
+    };
+#endif // __WXUNIVERSAL__/!__WXUNIVERSAL__

 
 #endif // _WX_TOPLEVEL_BASE_H_
 
 #endif // _WX_TOPLEVEL_BASE_H_