don't expect errno to be set to EOVERFLOW if vsnprintf() fails

[wxWidgets.git] / src / gtk / scrolbar.cpp

diff --git a/src/gtk/scrolbar.cpp b/src/gtk/scrolbar.cpp
index d9846c10677da32aa419cc708bbbfe1bf8afc0b1..9172d9b8b9e0c3cbceb2f64aee6e3c205b78a30d 100644 (file)
--- a/src/gtk/scrolbar.cpp
+++ b/src/gtk/scrolbar.cpp
@@ -7,11 +7,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "scrolbar.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -35,7 +30,6 @@ extern bool g_isIdle;
 //-----------------------------------------------------------------------------
 
 extern bool   g_blockEventsOnDrag;
-extern bool   g_blockEventsOnScroll;
 static wxEventType g_currentUpDownEvent = wxEVT_NULL;
 
 static const float sensitivity = 0.02;
@@ -46,6 +40,7 @@ static const float sensitivity = 0.02;
 
 // FIXME: is GtkScrollType really passed to us as 2nd argument?
 
+extern "C" {
 static void gtk_scrollbar_callback( GtkAdjustment *adjust,
                                     SCROLLBAR_CBACK_ARG
                                     wxScrollBar *win )
@@ -70,13 +65,13 @@ static void gtk_scrollbar_callback( GtkAdjustment *adjust,
     // throw a LINEUP / LINEDOWN event if necessary
     if (g_currentUpDownEvent != wxEVT_NULL)
     {
-        wxScrollEvent event( g_currentUpDownEvent, win->GetId(), value, orient );   
+        wxScrollEvent event( g_currentUpDownEvent, win->GetId(), value, orient );
         event.SetEventObject( win );
         win->GetEventHandler()->ProcessEvent( event );
-      }
-    
-       // throw other event (wxEVT_SCROLL_THUMBTRACK)
-       wxScrollEvent event( command, win->GetId(), value, orient );
+    }
+
+    // throw other event (wxEVT_SCROLL_THUMBTRACK)
+    wxScrollEvent event( command, win->GetId(), value, orient );
     event.SetEventObject( win );
     win->GetEventHandler()->ProcessEvent( event );
 
@@ -86,10 +81,12 @@ static void gtk_scrollbar_callback( GtkAdjustment *adjust,
     win->ProcessEvent( cevent );
 */
 }
+}
 
 //-----------------------------------------------------------------------------
 // "button_press_event" from slider
 //-----------------------------------------------------------------------------
+extern "C" {
 static gint gtk_scrollbar_button_press_callback( GtkRange *widget,
                                                  GdkEventButton *gdk_event,
                                                  wxScrollBar *win )
@@ -102,9 +99,9 @@ static gint gtk_scrollbar_button_press_callback( GtkRange *widget,
     {
         int scroll_height, mouse_pos;
 
-        // get the mouse position when the click is done 
-        if (win->HasFlag(wxSB_VERTICAL))        
-        {   
+        // get the mouse position when the click is done
+        if (win->HasFlag(wxSB_VERTICAL))
+        {
             scroll_height = GTK_WIDGET(widget)->allocation.height - 16;
             mouse_pos = (int)gdk_event->y;
         }
@@ -113,7 +110,7 @@ static gint gtk_scrollbar_button_press_callback( GtkRange *widget,
             scroll_height = GTK_WIDGET(widget)->allocation.width - 16;
             mouse_pos = (int)gdk_event->x;
         }
-       
+
         // compare mouse position to scrollbar height
         if  (mouse_pos > scroll_height)
             g_currentUpDownEvent = wxEVT_SCROLL_LINEDOWN;
@@ -128,11 +125,13 @@ static gint gtk_scrollbar_button_press_callback( GtkRange *widget,
 
     return FALSE;
 }
+}
 
 //-----------------------------------------------------------------------------
 // "button_release_event" from slider
 //-----------------------------------------------------------------------------
 
+extern "C" {
 static gint
 gtk_scrollbar_button_release_callback( GtkRange *WXUNUSED(widget),
                                        GdkEventButton *WXUNUSED(gdk_event),
@@ -152,13 +151,14 @@ gtk_scrollbar_button_release_callback( GtkRange *WXUNUSED(widget),
         win->GetEventHandler()->ProcessEvent( event );
     }
 
-    win->m_isScrolling = FALSE;
+    win->m_isScrolling = false;
 
     // reset the LINEUP/LINEDOWN flag when the mouse button is released
     g_currentUpDownEvent = wxEVT_NULL;
 
     return FALSE;
 }
+}
 
 //-----------------------------------------------------------------------------
 // wxScrollBar
@@ -174,14 +174,14 @@ bool wxScrollBar::Create(wxWindow *parent, wxWindowID id,
            const wxPoint& pos, const wxSize& size,
            long style, const wxValidator& validator, const wxString& name )
 {
-    m_needParent = TRUE;
-    m_acceptsFocus = TRUE;
+    m_needParent = true;
+    m_acceptsFocus = true;
 
     if (!PreCreation( parent, pos, size ) ||
         !CreateBase( parent, id, pos, size, style, validator, name ))
     {
         wxFAIL_MSG( wxT("wxScrollBar creation failed") );
-        return FALSE;
+        return false;
     }
 
     m_oldPos = 0.0;
@@ -210,7 +210,7 @@ bool wxScrollBar::Create(wxWindow *parent, wxWindowID id,
 
     PostCreation(size);
 
-    return TRUE;
+    return true;
 }
 
 int wxScrollBar::GetThumbPosition() const