Merge in from trunk r68626 - r68683

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

diff --git a/interface/wx/button.h b/interface/wx/button.h
index 4027c9aef1f2bd3ab14e1d3dd8eba5dca10a225e..697fc73f6ccdb02eb0e247b026ffddcec4eee5c0 100644 (file)
--- a/interface/wx/button.h
+++ b/interface/wx/button.h
@@ -3,7 +3,7 @@
 // Purpose:     interface of wxButton
 // Author:      wxWidgets team
 // RCS-ID:      $Id$
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 /**
@@ -50,7 +50,7 @@
 
     @beginEventEmissionTable{wxCommandEvent}
     @event{EVT_BUTTON(id, func)}
-           Process a wxEVT_COMMAND_BUTTON_CLICKED event, when the button is clicked.
+           Process a @c wxEVT_COMMAND_BUTTON_CLICKED event, when the button is clicked.
     @endEventTable
 
 
@@ -78,11 +78,20 @@
         get reasonably good behaviour on all platforms.
 
     All of the bitmaps must be of the same size and the normal bitmap must be
-    set first (to a valid bitmap), before setting any other ones.
+    set first (to a valid bitmap), before setting any other ones. Also, if the
+    size of the bitmaps is changed later, you need to change the size of the
+    normal bitmap before setting any other bitmaps with the new size (and you
+    do need to reset all of them as their original values can be lost when the
+    normal bitmap size changes).
 
     The position of the image inside the button be configured using
     SetBitmapPosition(). By default the image is on the left of the text.
 
+    Please also notice that GTK+ uses a global setting called @c
+    gtk-button-images to determine if the images should be shown in the buttons
+    at all. If it is off (which is the case in e.g. Gnome 2.28 by default), no
+    images will be shown, consistently with the native behaviour.
+
     @library{wxcore}
     @category{ctrl}
     @appearance{button.png}
@@ -102,7 +111,15 @@ public:
 
         The preferred way to create standard buttons is to use default value of
         @a label. If no label is supplied and @a id is one of standard IDs from
-        @ref page_stockitems "this list", a standard label will be used.
+        @ref page_stockitems "this list", a standard label will be used. In
+        other words, if you use a predefined @c wxID_XXX constant, just omit
+        the label completely rather than specifying it. In particular, help
+        buttons (the ones with @a id of @c wxID_HELP) under Mac OS X can't
+        display any label at all and while wxButton will detect if the standard
+        "Help" label is used and ignore it, using any other label will prevent
+        the button from correctly appearing as a help button and so should be
+        avoided.
+
 
         In addition to that, the button will be decorated with stock icons under GTK+ 2.
 
@@ -222,6 +239,15 @@ public:
     */
     wxBitmap GetBitmapPressed() const;
 
+    /**
+        Get the margins between the bitmap and the text of the button.
+
+        @see SetBitmapMargins()
+
+        @since 2.9.1
+     */
+    wxSize GetBitmapMargins();
+
     /**
         Returns the default size for the buttons. It is advised to make all the dialog
         buttons of the same size and this function allows to retrieve the (platform and