handle failure of gtk_drag_begin() (which can happen e.g. because gdk_pointer_grab...

[wxWidgets.git] / include / wx / gtk / private.h

diff --git a/include/wx/gtk/private.h b/include/wx/gtk/private.h
index f3219f75a1b8c8436c618e7bdbfb40320191b27f..fa140d1cd3827afac309b3ef65a17b304faea780 100644 (file)
--- a/include/wx/gtk/private.h
+++ b/include/wx/gtk/private.h
@@ -15,6 +15,7 @@
 #include <gtk/gtk.h>
 
 #include "wx/event.h"
+#include "wx/gtk/private/string.h"
 
 // fail all version tests if the GTK+ version is so ancient that it doesn't
 // even have GTK_CHECK_VERSION
@@ -22,16 +23,38 @@
     #define GTK_CHECK_VERSION(a, b, c) 0
 #endif
 
+// pango_version_check symbol is quite recent ATM (4/2007)... so we
+// use our own wrapper which implements a smart trick.
+// Use this function as you'd use pango_version_check:
+//
+//  if (!wx_pango_version_check(1,18,0))
+//     ... call to a function available only in pango >= 1.18 ...
+//
+// and use it only to test for pango versions >= 1.16.0
+extern const gchar *wx_pango_version_check(int major, int minor, int micro);
+
 #if wxUSE_UNICODE
-    #define wxGTK_CONV(s) wxConvUTF8.cWX2MB(s)
-    #define wxGTK_CONV_SYS(s, enc) wxGTK_CONV(s)
-    #define wxGTK_CONV_BACK(s) wxConvUTF8.cMB2WX(s)
+    #define wxGTK_CONV(s) s.utf8_str()
+    #define wxGTK_CONV_ENC(s, enc) wxGTK_CONV((s))
+    #define wxGTK_CONV_FONT(s, font) wxGTK_CONV((s))
+    #define wxGTK_CONV_SYS(s) wxGTK_CONV((s))
+
+    #define wxGTK_CONV_BACK(s) wxString::FromUTF8(s)
+    #define wxGTK_CONV_BACK_ENC(s, enc) wxGTK_CONV_BACK(s)
+    #define wxGTK_CONV_BACK_FONT(s, font) wxGTK_CONV_BACK(s)
+    #define wxGTK_CONV_BACK_SYS(s) wxGTK_CONV_BACK(s)
 #else
-    // convert the text in given encoding to UTF-8 used by wxGTK
-    extern wxCharBuffer
+    #include "wx/font.h"
+
+    // convert the text between the given encoding and UTF-8 used by wxGTK
+    extern WXDLLIMPEXP_CORE wxCharBuffer
     wxConvertToGTK(const wxString& s,
                    wxFontEncoding enc = wxFONTENCODING_SYSTEM);
 
+    extern WXDLLIMPEXP_CORE wxCharBuffer
+    wxConvertFromGTK(const wxString& s,
+                     wxFontEncoding enc = wxFONTENCODING_SYSTEM);
+
     // helper: use the encoding of the given font if it's valid
     inline wxCharBuffer wxConvertToGTK(const wxString& s, const wxFont& font)
     {
@@ -39,9 +62,35 @@
                                            : wxFONTENCODING_SYSTEM);
     }
 
-    #define wxGTK_CONV(s) wxConvertToGTK((s), m_font)
-    #define wxGTK_CONV_SYS(s) wxConvertToGTK(s)
-    #define wxGTK_CONV_BACK(s)  wxConvLocal.cWC2WX( wxConvUTF8.cMB2WC((s)) )
+    inline wxCharBuffer wxConvertFromGTK(const wxString& s, const wxFont& font)
+    {
+        return wxConvertFromGTK(s, font.Ok() ? font.GetEncoding()
+                                             : wxFONTENCODING_SYSTEM);
+    }
+
+    // more helpers: allow passing GTK+ strings directly
+    inline wxCharBuffer
+    wxConvertFromGTK(const wxGtkString& gs,
+                     wxFontEncoding enc = wxFONTENCODING_SYSTEM)
+    {
+        return wxConvertFromGTK(gs.c_str(), enc);
+    }
+
+    inline wxCharBuffer
+    wxConvertFromGTK(const wxGtkString& gs, const wxFont& font)
+    {
+        return wxConvertFromGTK(gs.c_str(), font);
+    }
+
+    #define wxGTK_CONV(s) wxGTK_CONV_FONT((s), m_font)
+    #define wxGTK_CONV_ENC(s, enc) wxConvertToGTK((s), (enc))
+    #define wxGTK_CONV_FONT(s, font) wxConvertToGTK((s), (font))
+    #define wxGTK_CONV_SYS(s) wxConvertToGTK((s))
+
+    #define wxGTK_CONV_BACK(s) wxConvertFromGTK((s), m_font)
+    #define wxGTK_CONV_BACK_ENC(s, enc) wxConvertFromGTK((s), (enc))
+    #define wxGTK_CONV_BACK_FONT(s, font) wxConvertFromGTK((s), (font))
+    #define wxGTK_CONV_BACK_SYS(s) wxConvertFromGTK((s))
 #endif
 
 // Some deprecated GTK+ prototypes we still use often
@@ -67,74 +116,6 @@ void gtk_window_set_policy (GtkWindow *window,
 
 G_END_DECLS
 
-//-----------------------------------------------------------------------------
-// idle system
-//-----------------------------------------------------------------------------
-
-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
-
-//-----------------------------------------------------------------------------
-// Convenience class for g_freeing a gchar* on scope exit automatically
-//-----------------------------------------------------------------------------
-
-class wxGtkString
-{
-public:
-    explicit wxGtkString(gchar *s) : m_str(s) { }
-    ~wxGtkString() { g_free(m_str); }
-
-    const gchar *c_str() const { return m_str; }
-
-    operator gchar *() const { return m_str; }
-
-private:
-    gchar *m_str;
-
-    DECLARE_NO_COPY_CLASS(wxGtkString)
-};
-
-//-----------------------------------------------------------------------------
-// GTK+ scroll types -> wxEventType
-//-----------------------------------------------------------------------------
-
-// translate a GTK+ scroll type to a wxEventType
-inline wxEventType GtkScrollTypeToWx(guint scrollType)
-{
-    wxEventType command;
-    switch ( scrollType )
-    {
-        case GTK_SCROLL_STEP_BACKWARD:
-            command = wxEVT_SCROLL_LINEUP;
-            break;
-
-        case GTK_SCROLL_STEP_FORWARD:
-            command = wxEVT_SCROLL_LINEDOWN;
-            break;
-
-        case GTK_SCROLL_PAGE_BACKWARD:
-            command = wxEVT_SCROLL_PAGEUP;
-            break;
-
-        case GTK_SCROLL_PAGE_FORWARD:
-            command = wxEVT_SCROLL_PAGEDOWN;
-            break;
-
-        default:
-            command = wxEVT_SCROLL_THUMBTRACK;
-    }
-
-    return command;
-}
-
-inline wxEventType GtkScrollWinTypeToWx(guint scrollType)
-{
-    // GtkScrollTypeToWx() returns SCROLL_XXX, not SCROLLWIN_XXX as we need
-    return GtkScrollTypeToWx(scrollType) +
-            wxEVT_SCROLLWIN_TOP - wxEVT_SCROLL_TOP;
-}
-
-
 //-----------------------------------------------------------------------------
 // Misc. functions
 //-----------------------------------------------------------------------------
@@ -155,5 +136,12 @@ extern "C" gboolean gtk_icon_size_lookup  (GtkIconSize  size,
                                            gint         *height);
 #endif
 
+#ifdef __WXGTK20__
+#include <gdk/gdktypes.h>
+
+// Returns stock accelerator modifier and key code for the given ID
+WXDLLEXPORT bool wxGetStockGtkAccelerator(const char *id, GdkModifierType *mod, guint *key);
+#endif
+
 #endif // _WX_GTK_PRIVATE_H_