window.cpp Migliorata gestione tasti nella TScroll_window

window.h     Resa pubblica le log2dev  e dev2log
xvtility.cpp Corretta gestione statbar in seguito a cambio titolo


git-svn-id: svn://10.65.10.50/trunk@6147 c028cbd2-c16b-5b4b-a496-9718f37d4682

include/window.cpp

@@ -529,6 +529,8 @@ void TImage::convert_transparent_color(COLOR transparent)
   // @comm Legge nell'immagine i pixel uguali a quello in alto a sinistra e li setta 
   // uguali allo sfondo delle maschere
 {                               
+  if (_image)
+  {
     const COLOR trans = xvt_image_get_pixel(_image, 0, 0) & 0x00FFFFFF;
     if (trans != (transparent & 0x00FFFFFF) && 
         xvt_image_get_format(_image) == XVT_IMAGE_CL8)                  
@@ -540,6 +542,7 @@ void TImage::convert_transparent_color(COLOR transparent)
           // break; don't break: replace all colors equal to upper left in the palette
         }
     } 
+  }  
 }
 
 
@@ -1239,54 +1242,41 @@ void TScroll_window::update_thumb(
 
 void TScroll_window::handler(WINDOW win, EVENT* ep)
 {
-  bool up = FALSE;
+  if (ep->type == E_HSCROLL || ep->type == E_VSCROLL)
-
-  switch (ep->type)
-  {
-  case E_HSCROLL:
-  case E_VSCROLL:
   {
     long& pos = (ep->type == E_HSCROLL) ? _origin.x : _origin.y;
+    const long oldpos = pos;
     const long max = (ep->type == E_HSCROLL) ? _max.x : _max.y;
     const short pag = (ep->type == E_HSCROLL) ? columns()/2+1 : rows()/2+1;
     switch(ep->v.scroll.what)
     {
     case SC_PAGE_UP:
       pos -= pag;
-      up = TRUE;
       break;
     case SC_LINE_UP:
       pos--;
-      up = TRUE;
       break;
     case SC_PAGE_DOWN:
       pos += pag;
-      up = TRUE;
       break;
     case SC_LINE_DOWN:
       pos++;
-      up = TRUE;
       break;
     case SC_THUMB:
       pos = ep->v.scroll.pos;
-      up = TRUE;
       break;
     default:
       break;
     }
     if (pos < 0) pos = 0;
     if (pos > max) pos = max;
-  }
-  break;
-default:
-  break;
-}
 
-  if (up)
+    if (pos != oldpos)
     {
       update_thumb();
       force_update();
     }
+  }
 
   TWindow::handler(win, ep);
 }

include/window.h

@@ -200,11 +200,6 @@ protected:
   virtual void update()
   {}
 
-  // @cmember Converte le coordinate logiche (caratteri) in coordinate fisiche (pixel)
-  virtual PNT log2dev(long x, long y) const;
-  // @cmember Converte le coordinate fisiche (pixel) in coordinate logiche (caratteri)
-  virtual TPoint dev2log(const PNT& p) const;
-
   // @access Public Member
 public:
   // @cmember Costruttore
@@ -321,6 +316,11 @@ public:
   // @cmember Sceglie il font da utilizzare nella finestra
   void set_font(const char* family = XVT_FFN_FIXED, int style = 0, int dim = 0);
 
+  // @cmember Converte le coordinate logiche (caratteri) in coordinate fisiche (pixel)
+  virtual PNT log2dev(long x, long y) const;
+  // @cmember Converte le coordinate fisiche (pixel) in coordinate logiche (caratteri)
+  virtual TPoint dev2log(const PNT& p) const;
+
   // @cmember Disegna un rettangolo con la possibilita' di settare la penna e il draw_mode
   void frame(short left, short top, short right, short bottom, int flag);
 

include/xvtility.cpp

@@ -247,7 +247,7 @@ BOOL deny_another_instance()
 BOOL allow_another_instance()
 { 
 #ifdef DBG
-  const bool noMunge = getenv("NOMUNGE") != NULL;
+  bool noMunge = getenv("NOMUNGE") != NULL;
   
   if (noMunge) 
     return FALSE;
@@ -1002,14 +1002,16 @@ void xvt_statbar_set(
   //
   // @xref <f xvt_create_statbar> <f xvt_statbar_refresh>
 {                    
-  CHECK(_statbar, "NULL statbar");
+//  CHECK(_statbar, "NULL statbar");
-
+  if (_statbar)
+  {
     const TDate oggi(TODAY);
     TString t(31);
     t << text << '\t' << oggi.string() << " - " << main_app().title();
     if (def)                                          
       statbar_set_default_title(_statbar, (char*)(const char*)t);
     statbar_set_title(_statbar, (char*)(const char*)t);
+  }  
 }
 
 // @doc INTERNAL