X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/04dbb6467be8f564f380bd9a1106fbdecbd26a98..5268c5a32bbe68b834abeaa89c8cfb2099d50d2e:/src/common/tbarbase.cpp?ds=sidebyside

diff --git a/src/common/tbarbase.cpp b/src/common/tbarbase.cpp
index dbce9ffff6..93d6bbfc3f 100644
--- a/src/common/tbarbase.cpp
+++ b/src/common/tbarbase.cpp
@@ -31,14 +31,12 @@
 #if wxUSE_TOOLBAR
 
 #ifndef WX_PRECOMP
+    #include "wx/control.h"
 #endif
 
 #include "wx/frame.h"
-
-// For ::UpdateWindow
-#ifdef __WXMSW__
-#include <windows.h>
-#endif
+#include "wx/image.h"
+#include "wx/settings.h"
 
 #include "wx/tbarbase.h"
 
@@ -318,6 +316,8 @@ wxToolBarToolBase *wxToolBarBase::FindById(int id) const
             // found
             break;
         }
+
+        tool = NULL;
     }
 
     return tool;
@@ -505,15 +505,23 @@ void wxToolBarBase::OnMouseEnter(int id)
 
     (void)GetEventHandler()->ProcessEvent(event);
 
-    wxToolBarToolBase *tool = FindById(id);
-    if ( !tool || !tool->GetLongHelp() )
-        return;
-
     wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
     if ( !frame )
         return;
 
-    frame->SetStatusText(tool->GetLongHelp());
+    wxString helpstring;
+
+    if ( id != -1 )
+    {
+        wxToolBarToolBase *tool = FindById(id);
+        if ( tool )
+            helpstring = tool->GetLongHelp();
+    }
+
+    // set the status text anyhow, even if the string is empty: this ensures
+    // that it is cleared when the mouse leaves the toolbar or enters a tool
+    // without help
+    frame->SetStatusText(helpstring);
 }
 
 // ----------------------------------------------------------------------------
@@ -565,4 +573,64 @@ void wxToolBarBase::DoToolbarUpdates()
     }
 }
 
+// Helper function, used by wxCreateGreyedImage
+
+static void wxGreyOutImage( const wxImage& src,
+                            wxImage& dest,
+                            const wxColour& darkCol,
+                            const wxColour& lightCol,
+                            const wxColour& bgCol )
+{
+    // Second attempt, just making things monochrome
+    int width = src.GetWidth();
+    int height = src.GetHeight();
+
+    int redCur, greenCur, blueCur;
+    for ( int x = 0; x < width; x++ )
+    {
+        for ( int y = 1; y < height; y++ )
+        {
+            redCur = src.GetRed(x, y);
+            greenCur = src.GetGreen(x, y);
+            blueCur = src.GetBlue(x, y);
+
+            // Change light things to the background colour
+            if ( redCur >= (lightCol.Red() - 50) && greenCur >= (lightCol.Green() - 50) && blueCur >= (lightCol.Blue() - 50) )
+            {
+                dest.SetRGB(x,y, bgCol.Red(), bgCol.Green(), bgCol.Blue());
+            }
+            else if ( redCur == bgCol.Red() && greenCur == bgCol.Green() && blueCur == bgCol.Blue() )
+            {
+                // Leave the background colour as-is
+                // dest.SetRGB(x,y, bgCol.Red(), bgCol.Green(), bgCol.Blue());
+            }
+            else // if ( redCur <= darkCol.Red() && greenCur <= darkCol.Green() && blueCur <= darkCol.Blue() )
+            {
+                // Change dark things to really dark
+                dest.SetRGB(x,y, darkCol.Red(), darkCol.Green(), darkCol.Blue());
+            }
+        }
+    }
+}
+
+/*
+ * Make a greyed-out image suitable for disabled buttons.
+ * This code is adapted from wxNewBitmapButton in FL.
+ */
+
+bool wxCreateGreyedImage(const wxImage& in, wxImage& out)
+{
+    out = in.Copy();
+
+    // assuming the pixels along the edges are of the background color
+    wxColour bgCol(in.GetRed(0, 0), in.GetGreen(0, 0), in.GetBlue(0, 0));
+
+    wxColour darkCol = wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW) ;
+    wxColour lightCol = wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT) ;
+
+    wxGreyOutImage(in, out, darkCol, lightCol, bgCol);
+
+    return TRUE;
+}
+
 #endif // wxUSE_TOOLBAR