X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1c067fe3c1e752658c63b4d556eb6a5468213860..050242339cc3e56f84fcc811d3e7f59fc2317747:/include/wx/toplevel.h?ds=sidebyside

diff --git a/include/wx/toplevel.h b/include/wx/toplevel.h
index ecb99fd9cb..e9be5bb460 100644
--- a/include/wx/toplevel.h
+++ b/include/wx/toplevel.h
@@ -137,6 +137,10 @@ public:
     // 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;
 
@@ -173,8 +177,15 @@ public:
     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;
@@ -185,6 +196,36 @@ public:
     void CentreOnScreen(int dir = wxBOTH) { DoCentre(dir | wxCENTRE_ON_SCREEN); }
     void CenterOnScreen(int dir = wxBOTH) { CentreOnScreen(dir); }
 
+    // Set window transparency if the platform supports it
+    virtual bool SetTransparent(wxByte WXUNUSED(alpha)) { return false; }
+    virtual bool CanSetTransparent() { return false; }
+
+
+    // 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
+
+    // used to reset default if pointing to removed child
+    virtual void RemoveChild(wxWindowBase *child);
+
+    // 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
     // -------------------------------
@@ -229,8 +270,7 @@ protected:
     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
@@ -250,6 +290,12 @@ protected:
     // the frame icon
     wxIconBundle m_icons;
 
+    // a default window (usually a button) or NULL
+    wxWindow *m_winDefault;
+
+    // a temporary override of m_winDefault, use the latter if NULL
+    wxWindow *m_winTmpDefault;
+
     DECLARE_NO_COPY_CLASS(wxTopLevelWindowBase)
     DECLARE_EVENT_TABLE()
 };