Initialise all variables

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

diff --git a/include/wx/combo.h b/include/wx/combo.h
index 8d53347408a9b85a3f71f8561b916e95e0cf420c..a504c1543e49fc969a2fff247483d022b48b1ecb 100644 (file)
--- a/include/wx/combo.h
+++ b/include/wx/combo.h
@@ -83,14 +83,20 @@ enum
     // Internal use: SetTextIndent has been called
     wxCC_IFLAG_INDENT_SET           = 0x0400,
     // Internal use: Set wxTAB_TRAVERSAL to parent when popup is dismissed
-    wxCC_IFLAG_PARENT_TAB_TRAVERSAL = 0x0800
+    wxCC_IFLAG_PARENT_TAB_TRAVERSAL = 0x0800,
+    // Internal use: Secondary popup window type should be used (if available).
+    wxCC_IFLAG_USE_ALT_POPUP        = 0x1000,
+    // Internal use: Skip popup animation.
+    wxCC_IFLAG_DISABLE_POPUP_ANIM   = 0x2000
 };
 
 
 // Flags used by PreprocessMouseEvent and HandleButtonMouseEvent
 enum
 {
-    wxCC_MF_ON_BUTTON               =   0x0001 // cursor is on dropbutton area
+    wxCC_MF_ON_BUTTON               =   0x0001, // cursor is on dropbutton area
+    wxCC_MF_ON_CLICK_AREA           =   0x0002  // cursor is on dropbutton or other area
+                                                // that can be clicked to show the popup.
 };
 
 
@@ -148,7 +154,7 @@ public:
     virtual void OnButtonClick();
 
     // return true if the popup is currently shown
-    bool IsPopupShown() const { return m_isPopupShown; }
+    bool IsPopupShown() const { return m_popupWinState == Visible; }
 
     // set interface class instance derived from wxComboPopup
     // NULL popup can be used to indicate default in a derived class
@@ -199,6 +205,10 @@ public:
     // (ie. wxComboPopup::SetStringValue doesn't get called).
     void SetText(const wxString& value);
 
+    // This method sets value and also optionally sends EVT_TEXT
+    // (needed by combo popups)
+    void SetValueWithEvent(const wxString& value, bool withEvent = true);
+
     //
     // Popup customization methods
     //
@@ -299,6 +309,30 @@ public:
         return m_tcArea;
     }
 
+    // Call with enable as true to use a type of popup window that guarantees ability
+    // to focus the popup control, and normal function of common native controls.
+    // This alternative popup window is usually a wxDialog, and as such it's parent
+    // frame will appear as if the focus has been lost from it.
+    void UseAltPopupWindow( bool enable = true )
+    {
+        wxASSERT_MSG( !m_winPopup,
+                      wxT("call this only before SetPopupControl") );
+
+        if ( enable )
+            m_iFlags |= wxCC_IFLAG_USE_ALT_POPUP;
+        else
+            m_iFlags &= ~wxCC_IFLAG_USE_ALT_POPUP;
+    }
+
+    // Call with false to disable popup animation, if any.
+    void EnablePopupAnimation( bool enable = true )
+    {
+        if ( enable )
+            m_iFlags &= ~wxCC_IFLAG_DISABLE_POPUP_ANIM;
+        else
+            m_iFlags |= wxCC_IFLAG_DISABLE_POPUP_ANIM;
+    }
+
     //
     // Utilies needed by the popups or native implementations
     //
@@ -327,7 +361,7 @@ public:
     bool ShouldDrawFocus() const
     {
         const wxWindow* curFocus = FindFocus();
-        return ( !m_isPopupShown &&
+        return ( !IsPopupShown() &&
                  (curFocus == this || (m_btn && curFocus == m_btn)) &&
                  (m_windowStyle & wxCB_READONLY) );
     }
@@ -347,6 +381,22 @@ public:
     // common code to be called on popup hide/dismiss
     void OnPopupDismiss();
 
+    // PopupShown states
+    enum
+    {
+        Hidden       = 0,
+        //Closing      = 1,
+        Animating    = 2,
+        Visible      = 3
+    };
+
+    bool IsPopupWindowState( int state ) const { return (state == m_popupWinState) ? true : false; }
+
+    wxByte GetPopupWindowState() const { return m_popupWinState; }
+
+    // Set value returned by GetMainWindowOfCompositeControl
+    void SetCtrlMainWnd( wxWindow* wnd ) { m_mainCtrlWnd = wnd; }
+
 protected:
 
     //
@@ -424,12 +474,29 @@ protected:
     // Dispatches size event and refreshes
     void RecalcAndRefresh();
 
+    // Flags for DoShowPopup and AnimateShow
+    enum
+    {
+        ShowBelow       = 0x0000,  // Showing popup below the control
+        ShowAbove       = 0x0001,  // Showing popup above the control
+        CanDeferShow    = 0x0002  // Can only return true from AnimateShow if this is set
+    };
+
+    // Shows and positions the popup.
+    virtual void DoShowPopup( const wxRect& rect, int flags );
+
+    // Implement in derived class to create a drop-down animation.
+    // Return true if finished immediately. Otherwise popup is only
+    // shown when the derived class call DoShowPopup.
+    // Flags are same as for DoShowPopup.
+    virtual bool AnimateShow( const wxRect& rect, int flags );
+
 #if wxUSE_TOOLTIPS
     virtual void DoSetToolTip( wxToolTip *tip );
 #endif
 
-    // Used by OnPaints of derived classes
-    wxBitmap& GetBufferBitmap(const wxSize& sz) const;
+    virtual wxWindow *GetMainWindowOfCompositeControl()
+        { return m_mainCtrlWnd; }
 
     // This is used when m_text is hidden (readonly).
     wxString                m_valueString;
@@ -456,6 +523,12 @@ protected:
     // this is for the control in popup
     wxEvtHandler*           m_popupExtraHandler;
 
+    // this is for the popup window
+    wxEvtHandler*           m_popupWinEvtHandler;
+
+    // main (ie. topmost) window of a composite control (default = this)
+    wxWindow*               m_mainCtrlWnd;
+
     // used to prevent immediate re-popupping incase closed popup
     // by clicking on the combo control (needed because of inconsistent
     // transient implementation across platforms).
@@ -517,11 +590,16 @@ protected:
     bool                    m_blankButtonBg;
 
     // is the popup window currenty shown?
-    bool                    m_isPopupShown;
+    wxByte                  m_popupWinState;
 
 private:
     void Init();
 
+    wxByte                  m_ignoreEvtText;  // Number of next EVT_TEXTs to ignore
+
+    // Is popup window wxPopupTransientWindow, wxPopupWindow or wxDialog?
+    wxByte                  m_popupWinType;
+
     DECLARE_EVENT_TABLE()
 
     DECLARE_ABSTRACT_CLASS(wxComboCtrlBase)