fix GCC warning about not explicitly initializing base class

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

diff --git a/include/wx/button.h b/include/wx/button.h
index 1e7f14a0f77e406c309a569e209d1859fe953624..0e987d1eda066fb506a525758e3a909b6119aa26 100644 (file)
--- a/include/wx/button.h
+++ b/include/wx/button.h
@@ -14,51 +14,112 @@
 
 #include "wx/defs.h"
 
 
 #include "wx/defs.h"
 

-#if wxUSE_BUTTON
-

 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------

-// wxButton flags
+// wxButton flags shared with other classes

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-// These two flags are obsolete
-#define wxBU_NOAUTODRAW      0x0000
-#define wxBU_AUTODRAW        0x0004
+#if wxUSE_TOGGLEBTN || wxUSE_BUTTON

 
 // These flags affect label alignment
 #define wxBU_LEFT            0x0040
 #define wxBU_TOP             0x0080
 #define wxBU_RIGHT           0x0100
 #define wxBU_BOTTOM          0x0200
 
 // These flags affect label alignment
 #define wxBU_LEFT            0x0040
 #define wxBU_TOP             0x0080
 #define wxBU_RIGHT           0x0100
 #define wxBU_BOTTOM          0x0200

+#define wxBU_ALIGN_MASK      ( wxBU_LEFT | wxBU_TOP | wxBU_RIGHT | wxBU_BOTTOM )
+#endif
+
+#if wxUSE_BUTTON
+
+// ----------------------------------------------------------------------------
+// wxButton specific flags
+// ----------------------------------------------------------------------------
+
+// These two flags are obsolete
+#define wxBU_NOAUTODRAW      0x0000
+#define wxBU_AUTODRAW        0x0004

 
 // by default, the buttons will be created with some (system dependent)
 // minimal size to make them look nicer, giving this style will make them as
 // small as possible
 #define wxBU_EXACTFIT        0x0001
 
 
 // by default, the buttons will be created with some (system dependent)
 // minimal size to make them look nicer, giving this style will make them as
 // small as possible
 #define wxBU_EXACTFIT        0x0001
 

-#include "wx/control.h"
+// this flag can be used to disable using the text label in the button: it is
+// mostly useful when creating buttons showing bitmap and having stock id as
+// without it both the standard label corresponding to the stock id and the
+// bitmap would be shown
+#define wxBU_NOTEXT          0x0002
+

 
 

-class WXDLLEXPORT wxBitmap;
+#include "wx/bitmap.h"
+#include "wx/control.h"

 
 

-WXDLLEXPORT_DATA(extern const wxChar*) wxButtonNameStr;
+extern WXDLLIMPEXP_DATA_CORE(const char) wxButtonNameStr[];

 
 // ----------------------------------------------------------------------------
 // wxButton: a push button
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // wxButton: a push button
 // ----------------------------------------------------------------------------
 

-class WXDLLEXPORT wxButtonBase : public wxControl
+class WXDLLIMPEXP_CORE wxButtonBase : public wxControl

 {
 public:
     wxButtonBase() { }
 
 {
 public:
     wxButtonBase() { }
 

-    // show the image in the button in addition to the label
-    virtual void SetImageLabel(const wxBitmap& WXUNUSED(bitmap)) { }
+    // show the authentication needed symbol on the button: this is currently
+    // only implemented on Windows Vista and newer (on which it shows the UAC
+    // shield symbol)
+    void SetAuthNeeded(bool show = true) { DoSetAuthNeeded(show); }
+    bool GetAuthNeeded() const { return DoGetAuthNeeded(); }
+
+    // show the image in the button in addition to the label: this method is
+    // supported on all (major) platforms
+    void SetBitmap(const wxBitmap& bitmap, wxDirection dir = wxLEFT)
+    {
+        SetBitmapLabel(bitmap);
+        SetBitmapPosition(dir);
+    }
+
+    wxBitmap GetBitmap() const { return DoGetBitmap(State_Normal); }
+
+    // Methods for setting individual images for different states: normal,
+    // selected (meaning pushed or pressed), focused (meaning normal state for
+    // a focused button), disabled or hover (a.k.a. hot or current).
+    //
+    // Remember that SetBitmap() itself must be called before any other
+    // SetBitmapXXX() methods (except for SetBitmapLabel() which is a synonym
+    // for it anyhow) and that all bitmaps passed to these functions should be
+    // of the same size.
+    void SetBitmapLabel(const wxBitmap& bitmap)
+        { DoSetBitmap(bitmap, State_Normal); }
+    void SetBitmapPressed(const wxBitmap& bitmap)
+        { DoSetBitmap(bitmap, State_Pressed); }
+    void SetBitmapDisabled(const wxBitmap& bitmap)
+        { DoSetBitmap(bitmap, State_Disabled); }
+    void SetBitmapCurrent(const wxBitmap& bitmap)
+        { DoSetBitmap(bitmap, State_Current); }
+    void SetBitmapFocus(const wxBitmap& bitmap)
+        { DoSetBitmap(bitmap, State_Focused); }
+
+    wxBitmap GetBitmapLabel() const { return DoGetBitmap(State_Normal); }
+    wxBitmap GetBitmapPressed() const { return DoGetBitmap(State_Pressed); }
+    wxBitmap GetBitmapDisabled() const { return DoGetBitmap(State_Disabled); }
+    wxBitmap GetBitmapCurrent() const { return DoGetBitmap(State_Current); }
+    wxBitmap GetBitmapFocus() const { return DoGetBitmap(State_Focused); }
+

 
     // set the margins around the image
 
     // set the margins around the image

-    virtual void SetImageMargins(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y)) { }
+    void SetBitmapMargins(wxCoord x, wxCoord y) { DoSetBitmapMargins(x, y); }
+    void SetBitmapMargins(const wxSize& sz) { DoSetBitmapMargins(sz.x, sz.y); }
+    wxSize GetBitmapMargins() { return DoGetBitmapMargins(); }
+
+    // set the image position relative to the text, i.e. wxLEFT means that the
+    // image is to the left of the text (this is the default)
+    void SetBitmapPosition(wxDirection dir);
+

 
 

-    // this wxButton method is called when the button becomes the default one
-    // on its panel
-    virtual void SetDefault() { }
+    // make this button the default button in its top level window
+    //
+    // returns the old default item (possibly NULL)
+    virtual wxWindow *SetDefault();

 
     // Buttons on MSW can look bad if they are not native colours, because
     // then they become owner-drawn and not theme-drawn.  Disable it here
 
     // Buttons on MSW can look bad if they are not native colours, because
     // then they become owner-drawn and not theme-drawn.  Disable it here


@@ -68,7 +129,74 @@ public:
     // returns the default button size for this platform
     static wxSize GetDefaultSize();
 
     // returns the default button size for this platform
     static wxSize GetDefaultSize();
 

-    DECLARE_NO_COPY_CLASS(wxButtonBase)
+    // wxUniv-compatible and deprecated equivalents to SetBitmapXXX()
+#if WXWIN_COMPATIBILITY_2_8
+    void SetImageLabel(const wxBitmap& bitmap) { SetBitmap(bitmap); }
+    void SetImageMargins(wxCoord x, wxCoord y) { SetBitmapMargins(x, y); }
+#endif // WXWIN_COMPATIBILITY_2_8
+
+    // backwards compatible names for pressed/current bitmaps: they're not
+    // deprecated as there is nothing really wrong with using them and no real
+    // advantage to using the new names but the new names are still preferred
+    wxBitmap GetBitmapSelected() const { return GetBitmapPressed(); }
+    wxBitmap GetBitmapHover() const { return GetBitmapCurrent(); }
+
+    void SetBitmapSelected(const wxBitmap& bitmap) { SetBitmapPressed(bitmap); }
+    void SetBitmapHover(const wxBitmap& bitmap) { SetBitmapCurrent(bitmap); }
+
+
+    // this enum is not part of wx public API, it is public because it is used
+    // in non wxButton-derived classes internally
+    //
+    // also notice that MSW code relies on the values of the enum elements, do
+    // not change them without revising src/msw/button.cpp
+    enum State
+    {
+        State_Normal,
+        State_Current,    // a.k.a. hot or "hovering"
+        State_Pressed,    // a.k.a. "selected" in public API for some reason
+        State_Disabled,
+        State_Focused,
+        State_Max
+    };
+
+    // return true if this button shouldn't show the text label, either because
+    // it doesn't have it or because it was explicitly disabled with wxBU_NOTEXT
+    bool DontShowLabel() const
+    {
+        return HasFlag(wxBU_NOTEXT) || GetLabel().empty();
+    }
+
+    // return true if we do show the label
+    bool ShowsLabel() const
+    {
+        return !DontShowLabel();
+    }
+
+protected:
+    // choose the default border for this window
+    virtual wxBorder GetDefaultBorder() const { return wxBORDER_NONE; }
+
+    virtual bool DoGetAuthNeeded() const { return false; }
+    virtual void DoSetAuthNeeded(bool WXUNUSED(show)) { }
+
+    virtual wxBitmap DoGetBitmap(State WXUNUSED(which)) const
+        { return wxBitmap(); }
+    virtual void DoSetBitmap(const wxBitmap& WXUNUSED(bitmap),
+                             State WXUNUSED(which))
+        { }
+
+    virtual wxSize DoGetBitmapMargins() const
+        { return wxSize(0, 0); }
+
+    virtual void DoSetBitmapMargins(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
+        { }
+
+    virtual void DoSetBitmapPosition(wxDirection WXUNUSED(dir))
+        { }
+
+
+    wxDECLARE_NO_COPY_CLASS(wxButtonBase);

 };
 
 #if defined(__WXUNIVERSAL__)
 };
 
 #if defined(__WXUNIVERSAL__)


@@ -77,14 +205,18 @@ public:
     #include "wx/msw/button.h"
 #elif defined(__WXMOTIF__)
     #include "wx/motif/button.h"
     #include "wx/msw/button.h"
 #elif defined(__WXMOTIF__)
     #include "wx/motif/button.h"

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

     #include "wx/gtk/button.h"
     #include "wx/gtk/button.h"

+#elif defined(__WXGTK__)
+    #include "wx/gtk1/button.h"

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

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

 #elif defined(__WXCOCOA__)
     #include "wx/cocoa/button.h"
 #elif defined(__WXPM__)
     #include "wx/os2/button.h"
 #elif defined(__WXCOCOA__)
     #include "wx/cocoa/button.h"
 #elif defined(__WXPM__)
     #include "wx/os2/button.h"

+#elif defined(__WXPALMOS__)
+    #include "wx/palmos/button.h"

 #endif
 
 #endif // wxUSE_BUTTON
 #endif
 
 #endif // wxUSE_BUTTON