readability cleanup

[wxWidgets.git] / src / motif / utils.cpp

diff --git a/src/motif/utils.cpp b/src/motif/utils.cpp
index d06990d497bb997723e5f2269277e6fee536ab80..7f0a201f836fed5d7ec477c5a91d7f429268033f 100644 (file)
--- a/src/motif/utils.cpp
+++ b/src/motif/utils.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        utils.cpp
+// Name:        src/motif/utils.cpp
 // Purpose:     Various utilities
 // Author:      Julian Smart
 // Modified by:
@@ -155,8 +155,11 @@ wxToolkitInfo& wxGUIAppTraits::GetToolkitInfo()
     // Motif version of the libs but the X protocol
     // version!
     Display *display = wxGlobalDisplay();
-    info.versionMajor = ProtocolVersion (display);
-    info.versionMinor = ProtocolRevision (display);
+    if (display)
+    {
+        info.versionMajor = ProtocolVersion (display);
+        info.versionMinor = ProtocolRevision (display);
+    }
     info.os = wxMOTIF_X;
     return info;
 }
@@ -177,7 +180,7 @@ static char * GetIniFile (char *dest, const char *filename)
     {
         strcpy(dest, filename);
     }
-    else if ((home = wxGetUserHome("")) != NULL)
+    else if ((home = wxGetUserHome()) != NULL)
     {
         strcpy(dest, home);
         if (dest[strlen(dest) - 1] != '/')
@@ -311,7 +314,7 @@ bool wxGetResource(const wxString& section, const wxString& entry, char **value,
 
     XrmDatabase database;
 
-    if (file != "")
+    if (!file.empty())
     {
         char buffer[500];
 
@@ -451,7 +454,7 @@ void wxXMergeDatabases (wxApp * theApp, Display * display)
         environment = GetIniFile (filename, NULL);
         len = strlen (environment);
         wxString hostname = wxGetHostName();
-        if ( !!hostname )
+        if ( !hostname.empty() )
             strncat(environment, hostname, 1024 - len);
     }
     homeDB = XrmGetFileDatabase (environment);
@@ -526,7 +529,7 @@ void wxGetMousePosition( int* x, int* y )
     *x = xev.x_root;
     *y = xev.y_root;
 #endif
-};
+}
 
 // Return true if we have a colour display
 bool wxColourDisplay()
@@ -664,9 +667,9 @@ void wxHSVToXColor(wxHSV *hsv,XColor *rgb)
     case 4: r = t, g = p, b = v; break;
     case 5: r = v, g = p, b = q; break;
     }
-    rgb->red = r << 8;
-    rgb->green = g << 8;
-    rgb->blue = b << 8;
+    rgb->red = (unsigned short)(r << 8);
+    rgb->green = (unsigned short)(g << 8);
+    rgb->blue = (unsigned short)(b << 8);
 }
 
 void wxXColorToHSV(wxHSV *hsv,XColor *rgb)
@@ -758,18 +761,18 @@ wxString wxGetXEventName(XEvent& event)
 #else
     int type = event.xany.type;
     static char* event_name[] = {
-        "", "unknown(-)",                                         // 0-1
-        "KeyPress", "KeyRelease", "ButtonPress", "ButtonRelease", // 2-5
-        "MotionNotify", "EnterNotify", "LeaveNotify", "FocusIn",  // 6-9
-        "FocusOut", "KeymapNotify", "Expose", "GraphicsExpose",   // 10-13
-        "NoExpose", "VisibilityNotify", "CreateNotify",           // 14-16
-        "DestroyNotify", "UnmapNotify", "MapNotify", "MapRequest",// 17-20
-        "ReparentNotify", "ConfigureNotify", "ConfigureRequest",  // 21-23
-        "GravityNotify", "ResizeRequest", "CirculateNotify",      // 24-26
-        "CirculateRequest", "PropertyNotify", "SelectionClear",   // 27-29
-        "SelectionRequest", "SelectionNotify", "ColormapNotify",  // 30-32
-        "ClientMessage", "MappingNotify",                         // 33-34
-        "unknown(+)"};                                            // 35
+        wxMOTIF_STR(""), wxMOTIF_STR("unknown(-)"),                                         // 0-1
+        wxMOTIF_STR("KeyPress"), wxMOTIF_STR("KeyRelease"), wxMOTIF_STR("ButtonPress"), wxMOTIF_STR("ButtonRelease"), // 2-5
+        wxMOTIF_STR("MotionNotify"), wxMOTIF_STR("EnterNotify"), wxMOTIF_STR("LeaveNotify"), wxMOTIF_STR("FocusIn"),  // 6-9
+        wxMOTIF_STR("FocusOut"), wxMOTIF_STR("KeymapNotify"), wxMOTIF_STR("Expose"), wxMOTIF_STR("GraphicsExpose"),   // 10-13
+        wxMOTIF_STR("NoExpose"), wxMOTIF_STR("VisibilityNotify"), wxMOTIF_STR("CreateNotify"),           // 14-16
+        wxMOTIF_STR("DestroyNotify"), wxMOTIF_STR("UnmapNotify"), wxMOTIF_STR("MapNotify"), wxMOTIF_STR("MapRequest"),// 17-20
+        wxMOTIF_STR("ReparentNotify"), wxMOTIF_STR("ConfigureNotify"), wxMOTIF_STR("ConfigureRequest"),  // 21-23
+        wxMOTIF_STR("GravityNotify"), wxMOTIF_STR("ResizeRequest"), wxMOTIF_STR("CirculateNotify"),      // 24-26
+        wxMOTIF_STR("CirculateRequest"), wxMOTIF_STR("PropertyNotify"), wxMOTIF_STR("SelectionClear"),   // 27-29
+        wxMOTIF_STR("SelectionRequest"), wxMOTIF_STR("SelectionNotify"), wxMOTIF_STR("ColormapNotify"),  // 30-32
+        wxMOTIF_STR("ClientMessage"), wxMOTIF_STR("MappingNotify"),                         // 33-34
+        wxMOTIF_STR("unknown(+)")};                                            // 35
     type = wxMin(35, type); type = wxMax(1, type);
     wxString str(event_name[type]);
     return str;
@@ -808,6 +811,7 @@ char wxFindMnemonic (const char *s)
 char* wxFindAccelerator( const char *s )
 {
 #if 1
+    wxUnusedVar(s);
     // VZ: this function returns incorrect keysym which completely breaks kbd
     //     handling
     return NULL;
@@ -875,6 +879,7 @@ char* wxFindAccelerator( const char *s )
 XmString wxFindAcceleratorText (const char *s)
 {
 #if 1
+    wxUnusedVar(s);
     // VZ: this function returns incorrect keysym which completely breaks kbd
     //     handling
     return NULL;
@@ -923,14 +928,17 @@ void wxDoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, boo
         NULL);
 }
 
-extern void wxDoChangeFont(WXWidget widget, wxFont& font)
+extern void wxDoChangeFont(WXWidget widget, const wxFont& font)
 {
-    // Lesstif 0.87 hangs here, but 0.93 does not
-#if !wxCHECK_LESSTIF() || wxCHECK_LESSTIF_VERSION( 0, 93 )
+    // Lesstif 0.87 hangs here, but 0.93 does not; MBN: sometimes it does
+#if !wxCHECK_LESSTIF() // || wxCHECK_LESSTIF_VERSION( 0, 93 )
     Widget w = (Widget)widget;
     XtVaSetValues( w,
-                   wxFont::GetFontTag(), font.GetFontType( XtDisplay(w) ),
+                   wxFont::GetFontTag(), font.GetFontTypeC( XtDisplay(w) ),
                    NULL );
+#else
+    wxUnusedVar(widget);
+    wxUnusedVar(font);
 #endif
 
 }
@@ -964,7 +972,7 @@ XmString wxStringToXmString( const char* str )
 
 // Creates a bitmap with transparent areas drawn in
 // the given colour.
-wxBitmap wxCreateMaskedBitmap(const wxBitmap& bitmap, wxColour& colour)
+wxBitmap wxCreateMaskedBitmap(const wxBitmap& bitmap, const wxColour& colour)
 {
     wxBitmap newBitmap(bitmap.GetWidth(),
                        bitmap.GetHeight(),