Support using GetTextExtent() with empty string to get descent in wxOSX.

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

diff --git a/include/wx/uiaction.h b/include/wx/uiaction.h
index ebce484040bcd7cbc25d3536a3eae0282d0dd598..68de3dde6a713665d5e55ba49aacecc3486d4f04 100644 (file)
--- a/include/wx/uiaction.h
+++ b/include/wx/uiaction.h
@@ -1,51 +1,91 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        include/wx/uiaction.cpp
+// Name:        wx/uiaction.h
 // Purpose:     wxUIActionSimulator interface
-// Author:      Kevin Ollivier
+// Author:      Kevin Ollivier, Steven Lamerton, Vadim Zeitlin
 // Modified by:
 // Created:     2010-03-06
-// RCS-ID:      $Id: menu.cpp 54129 2008-06-11 19:30:52Z SC $
+// RCS-ID:      $Id$
 // Copyright:   (c) Kevin Ollivier
+//              (c) 2010 Steven Lamerton
+//              (c) 2010 Vadim Zeitlin
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifndef _UIACTIONSIMULATOR_H_
-#define _UIACTIONSIMULATOR_H_
+#ifndef _WX_UIACTIONSIMULATOR_H_
+#define _WX_UIACTIONSIMULATOR_H_
 
-#include <wx/defs.h>
-#include <wx/event.h>
-#include <wx/dynarray.h>
+#include "wx/defs.h"
+
+#if wxUSE_UIACTIONSIMULATOR
+
+#include "wx/mousestate.h"  // for wxMOUSE_BTN_XXX constants
 
 class WXDLLIMPEXP_CORE wxUIActionSimulator
 {
 public:
-    wxUIActionSimulator();
-    ~wxUIActionSimulator();
-    
-    // Mouse related
-    bool        MouseMove(long x, long y);
-    bool        MouseDown(int button = wxMOUSE_BTN_LEFT);
-    bool        MouseUp(int button = wxMOUSE_BTN_LEFT);
-    bool        MouseClick(int button = wxMOUSE_BTN_LEFT);
-    bool        MouseDblClick(int button = wxMOUSE_BTN_LEFT);
-    bool        MouseDragDrop(long x1, long y1, long x2, long y2, int button = wxMOUSE_BTN_LEFT);
-    
-    // Keyboard related:
-
-    bool        KeyDown(int keycode, bool shiftDown=false, bool cmdDown=false, bool altDown=false)
-                    { return Key(keycode, true, shiftDown, cmdDown, altDown); }
-    
-    bool        KeyUp(int keycode, bool shiftDown=false, bool cmdDown=false, bool altDown=false)
-                    { return Key(keycode, false, shiftDown, cmdDown, altDown); }
-    
-    bool        Char(int keycode, bool shiftDown=false, bool cmdDown=false, bool altDown=false);
-
-protected:
-    // Implementation-wise, since key events take more code to set up on GTK and Mac, it makes
-    // sense to handle both key down and key up in one method. However, I wanted the API for pressing
-    // and releasing the mouse and keyboard to be consistent, and I don't really like using a bool 
-    // for pressed state, so I'm leaving this as an implementation detail. 
-    bool        Key(int keycode, bool isDown=true, bool shiftDown=false, bool cmdDown=false, bool altDown=false);
+    wxUIActionSimulator() { }
+
+
+    // Default dtor, copy ctor and assignment operator are ok (even though the
+    // last two don't make much sense for this class).
+
+
+    // Mouse simulation
+    // ----------------
+
+    // Low level methods
+    bool MouseMove(long x, long y);
+    bool MouseMove(const wxPoint& point) { return MouseMove(point.x, point.y); }
+
+    bool MouseDown(int button = wxMOUSE_BTN_LEFT);
+    bool MouseUp(int button = wxMOUSE_BTN_LEFT);
+
+    // Higher level interface, use it if possible instead
+    bool MouseClick(int button = wxMOUSE_BTN_LEFT);
+    bool MouseDblClick(int button = wxMOUSE_BTN_LEFT);
+    bool MouseDragDrop(long x1, long y1, long x2, long y2,
+                       int button = wxMOUSE_BTN_LEFT);
+    bool MouseDragDrop(const wxPoint& p1, const wxPoint& p2,
+                       int button = wxMOUSE_BTN_LEFT)
+    { return MouseDragDrop(p1.x, p1.y, p2.x, p2.y, button); }
+
+    // Keyboard simulation
+    // -------------------
+
+    // Low level methods for generating key presses and releases
+    bool KeyDown(int keycode, int modifiers = wxMOD_NONE)
+        { return Key(keycode, modifiers, true); }
+
+    bool KeyUp(int keycode, int modifiers = wxMOD_NONE)
+        { return Key(keycode, modifiers, false); }
+
+    // Higher level methods for generating both the key press and release for a
+    // single key or for all characters in the ASCII string "text" which can currently
+    // contain letters, digits and characters for the definition of numbers [+-., ].
+    bool Char(int keycode, int modifiers = wxMOD_NONE);
+
+    bool Text(const char *text);
+
+private:
+    // This is the common part of Key{Down,Up}() methods: while we keep them
+    // separate at public API level for consistency with Mouse{Down,Up}(), at
+    // implementation level it makes more sense to have them in a single
+    // function.
+    //
+    // It calls DoModifiers() to simulate pressing the modifier keys if
+    // necessary and then DoKey() for the key itself.
+    bool Key(int keycode, int modifiers, bool isDown);
+
+    // Call DoKey() for all modifier keys whose bits are set in the parameter.
+    void SimulateModifiers(int modifier, bool isDown);
+
+
+    // The low-level port-specific function which really generates the key
+    // presses. It should generate exactly one key event with the given
+    // parameters.
+    bool DoKey(int keycode, int modifiers, bool isDown);
 };
 
-#endif
+#endif // wxUSE_UIACTIONSIMULATOR
+
+#endif // _WX_UIACTIONSIMULATOR_H_