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 f4458a75848e6a082078cee1eb60350ba8e921c5..9820526690598e1c16ec78ee9b18c0d00c629e7d 100644 (file)
--- a/src/gtk1/spinctrl.cpp
+++ b/src/gtk1/spinctrl.cpp
@@ -8,9 +8,8 @@
 // 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"
 
@@ -18,10 +17,9 @@
 
 #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
@@ -42,6 +40,7 @@ extern bool   g_blockEventsOnDrag;
 // "value_changed"
 //-----------------------------------------------------------------------------
 
+extern "C" {
 static void gtk_spinctrl_callback( GtkWidget *WXUNUSED(widget), wxSpinCtrl *win )
 {
     if (g_isIdle) wxapp_install_idle_handler();
@@ -61,11 +60,13 @@ static void gtk_spinctrl_callback( GtkWidget *WXUNUSED(widget), wxSpinCtrl *win
     event.SetInt( (int)ceil(win->m_adjust->value) );
     win->GetEventHandler()->ProcessEvent( event );
 }
+}
 
 //-----------------------------------------------------------------------------
 //  "changed"
 //-----------------------------------------------------------------------------
 
+extern "C" {
 static void
 gtk_spinctrl_text_changed_callback( GtkWidget *WXUNUSED(widget), wxSpinCtrl *win )
 {
@@ -76,9 +77,12 @@ gtk_spinctrl_text_changed_callback( GtkWidget *WXUNUSED(widget), wxSpinCtrl *win
 
     wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
     event.SetEventObject( win );
-    event.SetInt( win->GetValue() );
+
+    // see above
+    event.SetInt( (int)ceil(win->m_adjust->value) );
     win->GetEventHandler()->ProcessEvent( event );
 }
+}
 
 //-----------------------------------------------------------------------------
 // wxSpinCtrl
@@ -112,35 +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 );
-    
+
     gtk_spin_button_set_wrap( GTK_SPIN_BUTTON(m_widget),
                               (int)(m_windowStyle & wxSP_WRAP) );
 
     GtkEnableEvents();
-    
-    m_parent->DoAddChild( this );
-
-    PostCreation();
 
-    SetFont( parent->GetFont() );
-    
-    wxSize size_best( DoGetBestSize() );
-    wxSize new_size( size );
-    if (new_size.x == -1)
-        new_size.x = size_best.x;
-    if (new_size.y == -1)
-        new_size.y = size_best.y;
-    if (new_size.y > size_best.y)
-        new_size.y = size_best.y;
-    if ((new_size.x != size.x) || (new_size.y != size.y))
-        SetSize( new_size.x, new_size.y );
+    m_parent->DoAddChild( this );
 
-    SetBackgroundColour( parent->GetBackgroundColour() );
+    PostCreation(size);
 
     SetValue( value );
 
-    Show( TRUE );
-
     return TRUE;
 }
 
@@ -161,7 +148,7 @@ void wxSpinCtrl::GtkEnableEvents()
                         "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),
@@ -205,7 +192,7 @@ void wxSpinCtrl::SetValue( const wxString& value )
     {
         // 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();
     }
 }
@@ -225,6 +212,19 @@ void wxSpinCtrl::SetValue( int value )
     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") );
@@ -252,38 +252,65 @@ void wxSpinCtrl::OnChar( wxKeyEvent &event )
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid spin ctrl") );
 
-    if (event.KeyCode() == WXK_RETURN)
+    if (event.GetKeyCode() == WXK_RETURN)
     {
         wxWindow *top_frame = m_parent;
-        while (top_frame->GetParent() && !(top_frame->GetParent()->IsTopLevel()))
+        while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
             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 )
 {
-    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() );
-    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