fix memory leak (coverity checker CID 53)

[wxWidgets.git] / src / gtk1 / spinctrl.cpp

diff --git a/src/gtk1/spinctrl.cpp b/src/gtk1/spinctrl.cpp
index 230914ab946ff1245de1030fa924b3bcafc9733e..9820526690598e1c16ec78ee9b18c0d00c629e7d 100644 (file)
--- a/src/gtk1/spinctrl.cpp
+++ b/src/gtk1/spinctrl.cpp
@@ -8,9 +8,8 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation "spinctrl.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"

 
 #include "wx/spinctrl.h"
 
 
 #include "wx/spinctrl.h"
 


@@ -18,10 +17,9 @@
 
 #include "wx/utils.h"
 
 
 #include "wx/utils.h"
 

-#include <math.h>
-
-#include <gdk/gdk.h>
-#include <gtk/gtk.h>
+#include "wx/textctrl.h"    // for wxEVT_COMMAND_TEXT_UPDATED
+#include "wx/math.h"
+#include "wx/gtk1/private.h"

 
 //-----------------------------------------------------------------------------
 // idle system
 
 //-----------------------------------------------------------------------------
 // idle system


@@ -42,6 +40,7 @@ extern bool   g_blockEventsOnDrag;
 // "value_changed"
 //-----------------------------------------------------------------------------
 
 // "value_changed"
 //-----------------------------------------------------------------------------
 

+extern "C" {

 static void gtk_spinctrl_callback( GtkWidget *WXUNUSED(widget), wxSpinCtrl *win )
 {
     if (g_isIdle) wxapp_install_idle_handler();
 static void gtk_spinctrl_callback( GtkWidget *WXUNUSED(widget), wxSpinCtrl *win )
 {
     if (g_isIdle) wxapp_install_idle_handler();


@@ -51,9 +50,39 @@ static void gtk_spinctrl_callback( GtkWidget *WXUNUSED(widget), wxSpinCtrl *win
 
     wxCommandEvent event( wxEVT_COMMAND_SPINCTRL_UPDATED, win->GetId());
     event.SetEventObject( win );
 
     wxCommandEvent event( wxEVT_COMMAND_SPINCTRL_UPDATED, win->GetId());
     event.SetEventObject( win );

-    event.SetInt( win->GetValue() );
+
+    // note that we don't use wxSpinCtrl::GetValue() here because it would
+    // adjust the value to fit into the control range and this means that we
+    // would never be able to enter an "invalid" value in the control, even
+    // temporarily - and trying to enter 10 into the control which accepts the
+    // values in range 5..50 is then, ummm, quite challenging (hint: you can't
+    // enter 1!) (VZ)
+    event.SetInt( (int)ceil(win->m_adjust->value) );

     win->GetEventHandler()->ProcessEvent( event );
 }
     win->GetEventHandler()->ProcessEvent( event );
 }

+}
+
+//-----------------------------------------------------------------------------
+//  "changed"
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static void
+gtk_spinctrl_text_changed_callback( GtkWidget *WXUNUSED(widget), wxSpinCtrl *win )
+{
+    if (!win->m_hasVMT) return;
+
+    if (g_isIdle)
+        wxapp_install_idle_handler();
+
+    wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
+    event.SetEventObject( win );
+
+    // see above
+    event.SetInt( (int)ceil(win->m_adjust->value) );
+    win->GetEventHandler()->ProcessEvent( event );
+}
+}

 
 //-----------------------------------------------------------------------------
 // wxSpinCtrl
 
 //-----------------------------------------------------------------------------
 // wxSpinCtrl


@@ -87,31 +116,18 @@ bool wxSpinCtrl::Create(wxWindow *parent, wxWindowID id,
     m_adjust = (GtkAdjustment*) gtk_adjustment_new( initial, min, max, 1.0, 5.0, 0.0);
 
     m_widget = gtk_spin_button_new( m_adjust, 1, 0 );
     m_adjust = (GtkAdjustment*) gtk_adjustment_new( initial, min, max, 1.0, 5.0, 0.0);
 
     m_widget = gtk_spin_button_new( m_adjust, 1, 0 );

-    
-    wxSize new_size = size,
-           sizeBest = DoGetBestSize();
-    if (new_size.x == -1)
-        new_size.x = sizeBest.x;
-    if (new_size.y == -1)
-        new_size.y = sizeBest.y;
-
-    if ((new_size.x != size.x) || (new_size.y != size.y))
-        SetSize( new_size.x, new_size.y );

 
     gtk_spin_button_set_wrap( GTK_SPIN_BUTTON(m_widget),
                               (int)(m_windowStyle & wxSP_WRAP) );
 
     GtkEnableEvents();
 
     gtk_spin_button_set_wrap( GTK_SPIN_BUTTON(m_widget),
                               (int)(m_windowStyle & wxSP_WRAP) );
 
     GtkEnableEvents();

-    m_parent->DoAddChild( this );

 
 

-    PostCreation();
+    m_parent->DoAddChild( this );

 
 

-    SetBackgroundColour( parent->GetBackgroundColour() );
+    PostCreation(size);

 
     SetValue( value );
 
 
     SetValue( value );
 

-    Show( TRUE );
-

     return TRUE;
 }
 
     return TRUE;
 }
 


@@ -121,6 +137,9 @@ void wxSpinCtrl::GtkDisableEvents()
                         GTK_SIGNAL_FUNC(gtk_spinctrl_callback),
                         (gpointer) this );
 
                         GTK_SIGNAL_FUNC(gtk_spinctrl_callback),
                         (gpointer) this );
 

+    gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
+                        GTK_SIGNAL_FUNC(gtk_spinctrl_text_changed_callback),
+                        (gpointer) this );

 }
 
 void wxSpinCtrl::GtkEnableEvents()
 }
 
 void wxSpinCtrl::GtkEnableEvents()


@@ -129,6 +148,11 @@ void wxSpinCtrl::GtkEnableEvents()
                         "value_changed",
                         GTK_SIGNAL_FUNC(gtk_spinctrl_callback),
                         (gpointer) this );
                         "value_changed",
                         GTK_SIGNAL_FUNC(gtk_spinctrl_callback),
                         (gpointer) this );

+
+    gtk_signal_connect( GTK_OBJECT(m_widget),
+                        "changed",
+                        GTK_SIGNAL_FUNC(gtk_spinctrl_text_changed_callback),
+                        (gpointer)this);

 }
 
 int wxSpinCtrl::GetMin() const
 }
 
 int wxSpinCtrl::GetMin() const


@@ -168,7 +192,7 @@ void wxSpinCtrl::SetValue( const wxString& value )
     {
         // invalid number - set text as is (wxMSW compatible)
         GtkDisableEvents();
     {
         // invalid number - set text as is (wxMSW compatible)
         GtkDisableEvents();

-        gtk_entry_set_text( GTK_ENTRY(m_widget), value.mbc_str() );
+        gtk_entry_set_text( GTK_ENTRY(m_widget), wxGTK_CONV( value ) );

         GtkEnableEvents();
     }
 }
         GtkEnableEvents();
     }
 }


@@ -188,6 +212,19 @@ void wxSpinCtrl::SetValue( int value )
     GtkEnableEvents();
 }
 
     GtkEnableEvents();
 }
 

+void wxSpinCtrl::SetSelection(long from, long to)
+{
+    // translate from wxWidgets conventions to GTK+ ones: (-1, -1) means the
+    // entire range
+    if ( from == -1 && to == -1 )
+    {
+        from = 0;
+        to = INT_MAX;
+    }
+
+    gtk_editable_select_region( GTK_EDITABLE(m_widget), (gint)from, (gint)to );
+}
+

 void wxSpinCtrl::SetRange(int minVal, int maxVal)
 {
     wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );
 void wxSpinCtrl::SetRange(int minVal, int maxVal)
 {
     wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );


@@ -215,38 +252,65 @@ void wxSpinCtrl::OnChar( wxKeyEvent &event )
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid spin ctrl") );
 
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid spin ctrl") );
 

-    if (event.KeyCode() == WXK_RETURN)
+    if (event.GetKeyCode() == WXK_RETURN)

     {
         wxWindow *top_frame = m_parent;
     {
         wxWindow *top_frame = m_parent;

-        while (top_frame->GetParent() && !(top_frame->GetParent()->m_isFrame))
+        while (top_frame->GetParent() && !(top_frame->IsTopLevel()))

             top_frame = top_frame->GetParent();
             top_frame = top_frame->GetParent();

-        GtkWindow *window = GTK_WINDOW(top_frame->m_widget);

 
 

-        if (window->default_widget)
+        if ( GTK_IS_WINDOW(top_frame->m_widget) )

         {
         {

-            gtk_widget_activate (window->default_widget);
-            return;
+            GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
+            if ( window )
+            {
+                GtkWidget *widgetDef = window->default_widget;
+
+                if ( widgetDef )
+                {
+                    gtk_widget_activate(widgetDef);
+                    return;
+                }
+            }

         }
     }
 
         }
     }
 

+    if ((event.GetKeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER))
+    {
+        wxCommandEvent evt( wxEVT_COMMAND_TEXT_ENTER, m_windowId );
+        evt.SetEventObject(this);
+        GtkSpinButton *gsb = GTK_SPIN_BUTTON(m_widget);
+        wxString val = wxGTK_CONV_BACK( gtk_entry_get_text( &gsb->entry ) );
+        evt.SetString( val );
+        if (GetEventHandler()->ProcessEvent(evt)) return;
+    }
+

     event.Skip();
 }
 
 bool wxSpinCtrl::IsOwnGtkWindow( GdkWindow *window )
 {
     event.Skip();
 }
 
 bool wxSpinCtrl::IsOwnGtkWindow( GdkWindow *window )
 {

-    return GTK_SPIN_BUTTON(m_widget)->panel == window;
-}
+    if (GTK_SPIN_BUTTON(m_widget)->entry.text_area == window) return TRUE;

 
 

-void wxSpinCtrl::ApplyWidgetStyle()
-{
-    SetWidgetStyle();
-    gtk_widget_set_style( m_widget, m_widgetStyle );
+    if (GTK_SPIN_BUTTON(m_widget)->panel == window) return TRUE;
+
+    return FALSE;

 }
 
 wxSize wxSpinCtrl::DoGetBestSize() const
 {
     wxSize ret( wxControl::DoGetBestSize() );
 }
 
 wxSize wxSpinCtrl::DoGetBestSize() const
 {
     wxSize ret( wxControl::DoGetBestSize() );

-    return wxSize(95, ret.y);
+    wxSize best(95, ret.y);
+    CacheBestSize(best);
+    return best;
+}
+
+// static
+wxVisualAttributes
+wxSpinCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+    // TODO: overload to accept functions like gtk_spin_button_new?
+    // Until then use a similar type
+    return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);

 }
 
 #endif
 }
 
 #endif