Commited slighly modified fix by David Parsons.

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

diff --git a/src/gtk1/spinctrl.cpp b/src/gtk1/spinctrl.cpp
index 7b40f4ccbea4bb90353206055d76b99cadb5977a..a15f637dda564761191a956cf7112403f2c451f8 100644 (file)
--- a/src/gtk1/spinctrl.cpp
+++ b/src/gtk1/spinctrl.cpp
@@ -8,20 +8,24 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

 #pragma implementation "spinctrl.h"
 #endif
 
 #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"
 

-#ifdef wxUSE_SPINBTN
+#if wxUSE_SPINCTRL

 
 #include "wx/utils.h"
 
 #include "wx/utils.h"

-#include "wx/spinbutt.h"
+
+#include "wx/textctrl.h"    // for wxEVT_COMMAND_TEXT_UPDATED
+

 #include <math.h>
 
 #include <math.h>
 

-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
+#include "wx/gtk/private.h"

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


@@ -30,14 +34,14 @@
 extern void wxapp_install_idle_handler();
 extern bool g_isIdle;
 
 extern void wxapp_install_idle_handler();
 extern bool g_isIdle;
 

+static const float sensitivity = 0.02;
+

 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------
 
 extern bool   g_blockEventsOnDrag;
 
 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------
 
 extern bool   g_blockEventsOnDrag;
 

-static const float sensitivity = 0.02;
-

 //-----------------------------------------------------------------------------
 // "value_changed"
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // "value_changed"
 //-----------------------------------------------------------------------------


@@ -49,34 +53,37 @@ static void gtk_spinctrl_callback( GtkWidget *WXUNUSED(widget), wxSpinCtrl *win
     if (!win->m_hasVMT) return;
     if (g_blockEventsOnDrag) return;
 
     if (!win->m_hasVMT) return;
     if (g_blockEventsOnDrag) return;
 

-    float diff = win->m_adjust->value - win->m_oldPos;
-    if (fabs(diff) < sensitivity) return;
-    win->m_oldPos = win->m_adjust->value;
+    wxCommandEvent event( wxEVT_COMMAND_SPINCTRL_UPDATED, win->GetId());
+    event.SetEventObject( win );

 
 

-    wxEventType command = wxEVT_NULL;
+    // 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 );
+}

 
 

-    float line_step = win->m_adjust->step_increment;
+//-----------------------------------------------------------------------------
+//  "changed"
+//-----------------------------------------------------------------------------

 
 

-    if (fabs(diff-line_step) < sensitivity) command = wxEVT_SCROLL_LINEDOWN;
-    else if (fabs(diff+line_step) < sensitivity) command = wxEVT_SCROLL_LINEUP;
-    else command = wxEVT_SCROLL_THUMBTRACK;
+static void
+gtk_spinctrl_text_changed_callback( GtkWidget *WXUNUSED(widget), wxSpinCtrl *win )
+{
+    if (!win->m_hasVMT) return;

 
 

-    int value = (int)ceil(win->m_adjust->value);
+    if (g_isIdle)
+        wxapp_install_idle_handler();

 
 

-    wxSpinEvent event( command, win->GetId());
-    event.SetPosition( value );
+    wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );

     event.SetEventObject( win );
     event.SetEventObject( win );

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

     
     

-    /* always send a thumbtrack event */
-    if (command != wxEVT_SCROLL_THUMBTRACK)
-    {
-        command = wxEVT_SCROLL_THUMBTRACK;
-        wxSpinEvent event2( command, win->GetId());
-        event2.SetPosition( value );
-        event2.SetEventObject( win );
-        win->GetEventHandler()->ProcessEvent( event2 );
-    }
+    // see above
+    event.SetInt( (int)ceil(win->m_adjust->value) );
+    win->GetEventHandler()->ProcessEvent( event );

 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------


@@ -85,6 +92,10 @@ static void gtk_spinctrl_callback( GtkWidget *WXUNUSED(widget), wxSpinCtrl *win
 
 IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl,wxControl)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl,wxControl)
 

+BEGIN_EVENT_TABLE(wxSpinCtrl, wxControl)
+    EVT_CHAR(wxSpinCtrl::OnChar)
+END_EVENT_TABLE()
+

 bool wxSpinCtrl::Create(wxWindow *parent, wxWindowID id,
                         const wxString& value,
                         const wxPoint& pos,  const wxSize& size,
 bool wxSpinCtrl::Create(wxWindow *parent, wxWindowID id,
                         const wxString& value,
                         const wxPoint& pos,  const wxSize& size,


@@ -93,16 +104,13 @@ bool wxSpinCtrl::Create(wxWindow *parent, wxWindowID id,
                         const wxString& name)
 {
     m_needParent = TRUE;
                         const wxString& name)
 {
     m_needParent = TRUE;

+    m_acceptsFocus = TRUE;

 
 

-    wxSize new_size = size;
-    if (new_size.y == -1)
-        new_size.y = 26;
-
-    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") );
     {
         wxFAIL_MSG( wxT("wxSpinCtrl creation failed") );

-       return FALSE;
+        return FALSE;

     }
 
     m_oldPos = initial;
     }
 
     m_oldPos = initial;


@@ -110,19 +118,27 @@ 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 );

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

 
 

-    gtk_spin_button_set_wrap( GTK_SPIN_BUTTON(m_widget), (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();
     m_parent->DoAddChild( this );
 
     PostCreation();

+    InheritAttributes();

 
 

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

 
     SetValue( value );
 
 
     SetValue( value );
 


@@ -131,6 +147,30 @@ bool wxSpinCtrl::Create(wxWindow *parent, wxWindowID id,
     return TRUE;
 }
 
     return TRUE;
 }
 

+void wxSpinCtrl::GtkDisableEvents()
+{
+    gtk_signal_disconnect_by_func( GTK_OBJECT(m_adjust),
+                        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()
+{
+    gtk_signal_connect( GTK_OBJECT (m_adjust),
+                        "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
 {
     wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
 int wxSpinCtrl::GetMin() const
 {
     wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );


@@ -149,6 +189,8 @@ int wxSpinCtrl::GetValue() const
 {
     wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
 
 {
     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);
 }
 
     return (int)ceil(m_adjust->value);
 }
 


@@ -165,7 +207,9 @@ void wxSpinCtrl::SetValue( const wxString& value )
     else
     {
         // invalid number - set text as is (wxMSW compatible)
     else
     {
         // invalid number - set text as is (wxMSW compatible)

-        gtk_entry_set_text( GTK_ENTRY(m_widget), value.c_str() );
+        GtkDisableEvents();
+        gtk_entry_set_text( GTK_ENTRY(m_widget), wxGTK_CONV( value ) );
+        GtkEnableEvents();

     }
 }
 
     }
 }
 


@@ -179,7 +223,22 @@ void wxSpinCtrl::SetValue( int value )
 
     m_adjust->value = fpos;
 
 
     m_adjust->value = fpos;
 

+    GtkDisableEvents();

     gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "value_changed" );
     gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "value_changed" );

+    GtkEnableEvents();
+}
+
+void wxSpinCtrl::SetSelection(long from, long to)
+{
+    // translate from wxWindows 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)
 }
 
 void wxSpinCtrl::SetRange(int minVal, int maxVal)


@@ -199,15 +258,58 @@ void wxSpinCtrl::SetRange(int minVal, int maxVal)
     m_adjust->upper = fmax;
 
     gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" );
     m_adjust->upper = fmax;
 
     gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" );

-    
+

     // these two calls are required due to some bug in GTK
     Refresh();
     SetFocus();
 }
 
     // these two calls are required due to some bug in GTK
     Refresh();
     SetFocus();
 }
 

+void wxSpinCtrl::OnChar( wxKeyEvent &event )
+{
+    wxCHECK_RET( m_widget != NULL, wxT("invalid spin ctrl") );
+
+    if (event.GetKeyCode() == WXK_RETURN)
+    {
+        wxWindow *top_frame = m_parent;
+        while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
+            top_frame = top_frame->GetParent();
+
+        if ( GTK_IS_WINDOW(top_frame->m_widget) )
+        {
+            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 )
 {
 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;

 }
 
 void wxSpinCtrl::ApplyWidgetStyle()
 }
 
 void wxSpinCtrl::ApplyWidgetStyle()


@@ -216,4 +318,11 @@ void wxSpinCtrl::ApplyWidgetStyle()
     gtk_widget_set_style( m_widget, m_widgetStyle );
 }
 
     gtk_widget_set_style( m_widget, m_widgetStyle );
 }
 

+wxSize wxSpinCtrl::DoGetBestSize() const
+{
+    wxSize ret( wxControl::DoGetBestSize() );
+    return wxSize(95, ret.y);
+}
+

 #endif
 #endif

+   // wxUSE_SPINCTRL