test whether pointer is non-NULL before using it, not after, in wxAnimation::Load...

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

diff --git a/include/wx/combo.h b/include/wx/combo.h
index e3723d079464ca6da95a048082d252e998d16b8d..74a5bb384ba277ffcf27fcb866a01d8c1de747d9 100644 (file)
--- a/include/wx/combo.h
+++ b/include/wx/combo.h
@@ -75,6 +75,12 @@ enum
     wxCC_POPUP_ON_MOUSE_UP          = 0x0002,
     // All text is not automatically selected on click
     wxCC_NO_TEXT_AUTO_SELECT        = 0x0004,
+    // Drop-button stays down as long as popup is displayed.
+    wxCC_BUTTON_STAYS_DOWN          = 0x0008,
+    // Drop-button covers the entire control.
+    wxCC_FULL_BUTTON                = 0x0010,
+    // Drop-button goes over the custom-border (used under WinVista).
+    wxCC_BUTTON_COVERS_BORDER       = 0x0020,
 
     // Internal use: signals creation is complete
     wxCC_IFLAG_CREATED              = 0x0100,
@@ -85,7 +91,12 @@ enum
     // Internal use: Set wxTAB_TRAVERSAL to parent when popup is dismissed
     wxCC_IFLAG_PARENT_TAB_TRAVERSAL = 0x0800,
     // Internal use: Secondary popup window type should be used (if available).
-    wxCC_IFLAG_USE_ALT_POPUP        = 0x1000
+    wxCC_IFLAG_USE_ALT_POPUP        = 0x1000,
+    // Internal use: Skip popup animation.
+    wxCC_IFLAG_DISABLE_POPUP_ANIM   = 0x2000,
+    // Internal use: Drop-button is a bitmap button or has non-default size
+    // (but can still be on either side of the control).
+    wxCC_IFLAG_HAS_NONSTANDARD_BUTTON   = 0x4000
 };
 
 
@@ -152,7 +163,7 @@ 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
@@ -182,6 +193,10 @@ public:
     virtual bool Enable(bool enable = true);
     virtual bool Show(bool show = true);
     virtual bool SetFont(const wxFont& font);
+#if wxUSE_VALIDATORS
+    virtual void SetValidator(const wxValidator &validator);
+    virtual wxValidator *GetValidator();
+#endif // wxUSE_VALIDATORS
 
     // wxTextCtrl methods - for readonly combo they should return
     // without errors.
@@ -322,6 +337,15 @@ public:
             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
     //
@@ -350,8 +374,8 @@ public:
     bool ShouldDrawFocus() const
     {
         const wxWindow* curFocus = FindFocus();
-        return ( !m_isPopupShown &&
-                 (curFocus == this || (m_btn && curFocus == m_btn)) &&
+        return ( IsPopupWindowState(Hidden) &&
+                 (curFocus == m_mainCtrlWnd || (m_btn && curFocus == m_btn)) &&
                  (m_windowStyle & wxCB_READONLY) );
     }
 
@@ -370,6 +394,26 @@ 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; }
+
+    // This is public so we can access it from wxComboCtrlTextCtrl
+    virtual wxWindow *GetMainWindowOfCompositeControl()
+        { return m_mainCtrlWnd; }
+
 protected:
 
     //
@@ -392,8 +436,16 @@ protected:
     // Installs standard input handler to combo (and optionally to the textctrl)
     void InstallInputHandlers();
 
+    // Flags for DrawButton
+    enum
+    {
+        Button_PaintBackground             = 0x0001, // Paints control background below the button
+        Button_BitmapOnly                  = 0x0002  // Only paints the bitmap
+    };
+
     // Draws dropbutton. Using wxRenderer or bitmaps, as appropriate.
-    void DrawButton( wxDC& dc, const wxRect& rect, bool paintBg = true );
+    // Flags are defined above.
+    void DrawButton( wxDC& dc, const wxRect& rect, int flags = Button_PaintBackground );
 
     // Call if cursor is on button area or mouse is captured for the button.
     //bool HandleButtonMouseEvent( wxMouseEvent& event, bool isInside );
@@ -437,6 +489,7 @@ protected:
     // event handlers
     void OnSizeEvent( wxSizeEvent& event );
     void OnFocusEvent(wxFocusEvent& event);
+    void OnIdleEvent(wxIdleEvent& event);
     void OnTextCtrlEvent(wxCommandEvent& event);
     void OnSysColourChanged(wxSysColourChangedEvent& event);
     void OnKeyEvent(wxKeyEvent& event);
@@ -447,6 +500,23 @@ 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
@@ -479,6 +549,9 @@ protected:
     // 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).
@@ -540,8 +613,11 @@ protected:
     bool                    m_blankButtonBg;
 
     // is the popup window currenty shown?
-    bool                    m_isPopupShown;
+    wxByte                  m_popupWinState;
 
+    // should the focus be reset to the textctrl in idle time?
+    bool                    m_resetFocus;
+    
 private:
     void Init();