create hatch bitmaps on demand, and dispose of them at termination

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

diff --git a/src/gtk/gauge.cpp b/src/gtk/gauge.cpp
index 6cfcc74b0eac273ff3fa1467bd029bdc57a035bf..aaa124506cabbb677509cb9c73f52c164a3d83df 100644 (file)
--- a/src/gtk/gauge.cpp
+++ b/src/gtk/gauge.cpp
@@ -1,71 +1,99 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        gauge.cpp
+// Name:        src/gtk/gauge.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
-// Licence:    wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "gauge.h"
-#endif
-
-#include "wx/gauge.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
 #if wxUSE_GAUGE
 
-#include <gdk/gdk.h>
+#include "wx/gauge.h"
+
 #include <gtk/gtk.h>
 
 //-----------------------------------------------------------------------------
 // wxGauge
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxGauge,wxControl)
+IMPLEMENT_DYNAMIC_CLASS(wxGauge, wxControl)
 
-bool wxGauge::Create( wxWindow *parent, wxWindowID id,  int range,
-    const wxPoint& pos, const wxSize& size,
-    long style, const wxValidator& validator, const wxString& name )
+bool wxGauge::Create( wxWindow *parent,
+                      wxWindowID id,
+                      int range,
+                      const wxPoint& pos,
+                      const wxSize& size,
+                      long style,
+                      const wxValidator& validator,
+                      const wxString& name )
 {
-    m_needParent = TRUE;
-  
     if (!PreCreation( parent, pos, size ) ||
         !CreateBase( parent, id, pos, size, style, validator, name ))
     {
         wxFAIL_MSG( wxT("wxGauge creation failed") );
-       return FALSE;
+        return false;
     }
 
     m_rangeMax = range;
-    m_gaugePos = 0;
-    m_useProgressBar = TRUE;
-  
+
     m_widget = gtk_progress_bar_new();
-  
+    if ( style & wxGA_VERTICAL )
+    {
+        gtk_progress_bar_set_orientation( GTK_PROGRESS_BAR(m_widget),
+                                          GTK_PROGRESS_BOTTOM_TO_TOP );
+    }
+
+    // when using the gauge in indeterminate mode, we need this:
+    gtk_progress_bar_set_pulse_step(GTK_PROGRESS_BAR (m_widget), 0.05);
+
     m_parent->DoAddChild( this );
-  
-    PostCreation();
-  
-    Show( TRUE );
-    
-    return TRUE;
+
+    PostCreation(size);
+    SetInitialSize(size);
+
+    return true;
+}
+
+void wxGauge::DoSetGauge()
+{
+    wxASSERT_MSG( 0 <= m_gaugePos && m_gaugePos <= m_rangeMax,
+                  _T("invalid gauge position in DoSetGauge()") );
+
+    gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (m_widget),
+                                   m_rangeMax ? ((double)m_gaugePos)/m_rangeMax : 0.0);
 }
 
-void wxGauge::SetRange( int r )
+wxSize wxGauge::DoGetBestSize() const
 {
-    m_rangeMax = r;
-    if (m_gaugePos > m_rangeMax) m_gaugePos = m_rangeMax;
-  
-    gtk_progress_bar_update( GTK_PROGRESS_BAR(m_widget), ((float)m_gaugePos)/m_rangeMax );
+    wxSize best;
+    if (HasFlag(wxGA_VERTICAL))
+        best = wxSize(28, 100);
+    else
+        best = wxSize(100, 28);
+    CacheBestSize(best);
+    return best;
+}
+
+void wxGauge::SetRange( int range )
+{
+    m_rangeMax = range;
+    if (m_gaugePos > m_rangeMax)
+        m_gaugePos = m_rangeMax;
+
+    DoSetGauge();
 }
 
 void wxGauge::SetValue( int pos )
 {
+    wxCHECK_RET( pos <= m_rangeMax, _T("invalid value in wxGauge::SetValue()") );
+
     m_gaugePos = pos;
-    if (m_gaugePos > m_rangeMax) m_gaugePos = m_rangeMax;
-  
-    gtk_progress_bar_update( GTK_PROGRESS_BAR(m_widget), ((float)m_gaugePos)/m_rangeMax );
+
+    DoSetGauge();
 }
 
 int wxGauge::GetRange() const
@@ -78,10 +106,26 @@ int wxGauge::GetValue() const
     return m_gaugePos;
 }
 
-void wxGauge::ApplyWidgetStyle()
+void wxGauge::Pulse()
+{
+    gtk_progress_bar_pulse(GTK_PROGRESS_BAR (m_widget));
+}
+
+wxVisualAttributes wxGauge::GetDefaultAttributes() const
+{
+    // Visible gauge colours use a different colour state
+    return GetDefaultAttributesFromGTKWidget(m_widget,
+                                             UseGTKStyleBase(),
+                                             GTK_STATE_ACTIVE);
+
+}
+
+// static
+wxVisualAttributes
+wxGauge::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 {
-    SetWidgetStyle();
-    gtk_widget_set_style( m_widget, m_widgetStyle );
+    return GetDefaultAttributesFromGTKWidget(gtk_progress_bar_new,
+                                             false, GTK_STATE_ACTIVE);
 }
 
-#endif
+#endif // wxUSE_GAUGE