]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/spinctrl.cpp
Fix mem leak.
[wxWidgets.git] / src / gtk / spinctrl.cpp
index 5e13787f4bf7ec94c7064982f18f2d4e217fe4b7..f9cc4a95186e654bab5a6057143783b8f3ada58f 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        spinbutt.cpp
+// Name:        src/gtk/spinbutt.cpp
 // Purpose:     wxSpinCtrl
 // Author:      Robert
 // Modified by:
@@ -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"
 
 
 #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/gtk/private.h"
 
 //-----------------------------------------------------------------------------
 // idle system
 //-----------------------------------------------------------------------------
 
-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
+static const float sensitivity = 0.02;
 
 //-----------------------------------------------------------------------------
 // data
@@ -40,6 +37,7 @@ 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();
@@ -49,9 +47,39 @@ static void gtk_spinctrl_callback( GtkWidget *WXUNUSED(widget), wxSpinCtrl *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 );
+}
+}
+
+//-----------------------------------------------------------------------------
+//  "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
@@ -70,18 +98,14 @@ bool wxSpinCtrl::Create(wxWindow *parent, wxWindowID id,
                         int min, int max, int initial,
                         const wxString& name)
 {
-    m_needParent = TRUE;
-    m_acceptsFocus = TRUE;
-
-    wxSize new_size = size;
-    if (new_size.y == -1)
-        new_size.y = 26;
+    m_needParent = true;
+    m_acceptsFocus = true;
 
-    if (!PreCreation( parent, pos, new_size ) ||
-        !CreateBase( parent, id, pos, new_size, style, wxDefaultValidator, name ))
+    if (!PreCreation( parent, pos, size ) ||
+        !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
     {
         wxFAIL_MSG( wxT("wxSpinCtrl creation failed") );
-       return FALSE;
+        return false;
     }
 
     m_oldPos = initial;
@@ -93,22 +117,35 @@ bool wxSpinCtrl::Create(wxWindow *parent, wxWindowID id,
     gtk_spin_button_set_wrap( GTK_SPIN_BUTTON(m_widget),
                               (int)(m_windowStyle & wxSP_WRAP) );
 
-    gtk_signal_connect( GTK_OBJECT (m_adjust),
-                        "value_changed",
-                        (GtkSignalFunc) gtk_spinctrl_callback,
-                        (gpointer) this );
+    GtkEnableEvents();
 
     m_parent->DoAddChild( this );
 
-    PostCreation();
-
-    SetBackgroundColour( parent->GetBackgroundColour() );
+    PostCreation(size);
 
     SetValue( value );
 
-    Show( TRUE );
+    return true;
+}
 
-    return TRUE;
+void wxSpinCtrl::GtkDisableEvents()
+{
+    g_signal_handlers_disconnect_by_func (m_adjust,
+                                          (gpointer) gtk_spinctrl_callback,
+                                          this);
+    g_signal_handlers_disconnect_by_func (m_widget,
+                                          (gpointer) gtk_spinctrl_text_changed_callback,
+                                          this);
+}
+
+void wxSpinCtrl::GtkEnableEvents()
+{
+    g_signal_connect (m_adjust, "value_changed",
+                      G_CALLBACK (gtk_spinctrl_callback),
+                      this);
+    g_signal_connect (m_widget, "changed",
+                      G_CALLBACK (gtk_spinctrl_text_changed_callback),
+                      this);
 }
 
 int wxSpinCtrl::GetMin() const
@@ -129,6 +166,8 @@ int wxSpinCtrl::GetValue() const
 {
     wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
 
+    gtk_spin_button_update( GTK_SPIN_BUTTON(m_widget) );
+
     return (int)ceil(m_adjust->value);
 }
 
@@ -145,7 +184,9 @@ void wxSpinCtrl::SetValue( const wxString& value )
     else
     {
         // invalid number - set text as is (wxMSW compatible)
-        gtk_entry_set_text( GTK_ENTRY(m_widget), value.mbc_str() );
+        GtkDisableEvents();
+        gtk_entry_set_text( GTK_ENTRY(m_widget), wxGTK_CONV( value ) );
+        GtkEnableEvents();
     }
 }
 
@@ -159,7 +200,22 @@ void wxSpinCtrl::SetValue( int value )
 
     m_adjust->value = fpos;
 
-    gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "value_changed" );
+    GtkDisableEvents();
+    g_signal_emit_by_name (m_adjust, "value_changed");
+    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)
@@ -178,7 +234,7 @@ void wxSpinCtrl::SetRange(int minVal, int maxVal)
     m_adjust->lower = fmin;
     m_adjust->upper = fmax;
 
-    gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" );
+    g_signal_emit_by_name (m_adjust, "changed");
 
     // these two calls are required due to some bug in GTK
     Refresh();
@@ -189,18 +245,36 @@ 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()->m_isFrame))
+        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 & wxTE_PROCESS_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();
@@ -208,13 +282,28 @@ void wxSpinCtrl::OnChar( wxKeyEvent &event )
 
 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;
+
+    if (GTK_SPIN_BUTTON(m_widget)->panel == window) return true;
+
+    return false;
+}
+
+wxSize wxSpinCtrl::DoGetBestSize() const
+{
+    wxSize ret( wxControl::DoGetBestSize() );
+    wxSize best(95, ret.y);
+    CacheBestSize(best);
+    return best;
 }
 
-void wxSpinCtrl::ApplyWidgetStyle()
+// static
+wxVisualAttributes
+wxSpinCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 {
-    SetWidgetStyle();
-    gtk_widget_set_style( m_widget, m_widgetStyle );
+    // TODO: overload to accept functions like gtk_spin_button_new?
+    // Until then use a similar type
+    return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
 }
 
 #endif