make some reference handling a little more direct and less obscure

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

diff --git a/src/gtk/spinbutt.cpp b/src/gtk/spinbutt.cpp
index 8f5b2263d30213cdf5c756907ea23cc6ed0cfa23..2a190e9e1c97c9afb49191fe72df407c60f25878 100644 (file)
--- a/src/gtk/spinbutt.cpp
+++ b/src/gtk/spinbutt.cpp
@@ -1,37 +1,25 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        spinbutt.cpp
+// Name:        src/gtk/spinbutt.cpp

 // Purpose:     wxSpinButton
 // Author:      Robert
 // Modified by:
 // RCS-ID:      $Id$
 // Copyright:   (c) Robert Roebling
 // Purpose:     wxSpinButton
 // Author:      Robert
 // Modified by:
 // RCS-ID:      $Id$
 // Copyright:   (c) Robert Roebling

-// Licence:     wxWidgets licence
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "spinbutt.h"
-    #pragma implementation "spinbutbase.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 

-#include "wx/spinbutt.h"
-

 #if wxUSE_SPINBTN
 
 #if wxUSE_SPINBTN
 

-#include "wx/utils.h"
-
-#include <math.h>
-
-#include "wx/gtk/private.h"
+#include "wx/spinbutt.h"

 
 

-//-----------------------------------------------------------------------------
-// idle system
-//-----------------------------------------------------------------------------
+#ifndef WX_PRECOMP
+    #include "wx/utils.h"
+#endif

 
 

-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
+#include <gtk/gtk.h>

 
 //-----------------------------------------------------------------------------
 // data
 
 //-----------------------------------------------------------------------------
 // data


@@ -39,79 +27,60 @@ extern bool g_isIdle;
 
 extern bool   g_blockEventsOnDrag;
 
 
 extern bool   g_blockEventsOnDrag;
 

-static const float sensitivity = 0.02;
-

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

-static void gtk_spinbutt_callback( GtkWidget *WXUNUSED(widget), wxSpinButton *win )
+extern "C" {
+static void
+gtk_value_changed(GtkSpinButton* spinbutton, wxSpinButton* win)

 {
 {

-    if (g_isIdle) wxapp_install_idle_handler();
-
-    if (!win->m_hasVMT) return;
-    if (g_blockEventsOnDrag) return;
-
-    float diff = win->m_adjust->value - win->m_oldPos;
-    if (fabs(diff) < sensitivity) return;
-
-    wxEventType command = wxEVT_NULL;
-
-    float line_step = win->m_adjust->step_increment;
-
-    if (fabs(diff-line_step) < sensitivity) command = wxEVT_SCROLL_LINEUP;
-    else if (fabs(diff+line_step) < sensitivity) command = wxEVT_SCROLL_LINEDOWN;
-    else command = wxEVT_SCROLL_THUMBTRACK;
-
-    int value = (int)ceil(win->m_adjust->value);
+    const double value = gtk_spin_button_get_value(spinbutton);
+    const int pos = int(value);
+    const int oldPos = win->m_pos;
+    if (g_blockEventsOnDrag || pos == oldPos)
+    {
+        win->m_pos = pos;
+        return;
+    }

 
 

-    wxSpinEvent event( command, win->GetId());
-    event.SetPosition( value );
-    event.SetEventObject( win );
+    wxSpinEvent event(pos > oldPos ? wxEVT_SCROLL_LINEUP : wxEVT_SCROLL_LINEDOWN, win->GetId());
+    event.SetPosition(pos);
+    event.SetEventObject(win);

 
 

-    if ((win->GetEventHandler()->ProcessEvent( event )) &&
+    if ((win->HandleWindowEvent( event )) &&

         !event.IsAllowed() )
     {
         /* program has vetoed */
         !event.IsAllowed() )
     {
         /* program has vetoed */

-        win->m_adjust->value = win->m_oldPos;
-        
-        gtk_signal_disconnect_by_func( GTK_OBJECT (win->m_adjust),
-                        (GtkSignalFunc) gtk_spinbutt_callback,
-                        (gpointer) win );
-        
-        gtk_signal_emit_by_name( GTK_OBJECT(win->m_adjust), "value_changed" );
-
-        gtk_signal_connect( GTK_OBJECT (win->m_adjust),
-                        "value_changed",
-                        (GtkSignalFunc) gtk_spinbutt_callback,
-                        (gpointer) win );
+        // this will cause another "value_changed" signal,
+        // but because pos == oldPos nothing will happen
+        gtk_spin_button_set_value(spinbutton, oldPos);

         return;
     }
         return;
     }

-    
-    win->m_oldPos = win->m_adjust->value;
-    
+
+    win->m_pos = pos;
+

     /* always send a thumbtrack 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 );
-    }
+    wxSpinEvent event2(wxEVT_SCROLL_THUMBTRACK, win->GetId());
+    event2.SetPosition(pos);
+    event2.SetEventObject(win);
+    win->HandleWindowEvent(event2);
+}

 }
 
 //-----------------------------------------------------------------------------
 // wxSpinButton
 //-----------------------------------------------------------------------------
 
 }
 
 //-----------------------------------------------------------------------------
 // wxSpinButton
 //-----------------------------------------------------------------------------
 

-IMPLEMENT_DYNAMIC_CLASS(wxSpinButton,wxControl)
-IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxNotifyEvent)
-

 BEGIN_EVENT_TABLE(wxSpinButton, wxControl)
     EVT_SIZE(wxSpinButton::OnSize)
 END_EVENT_TABLE()
 
 BEGIN_EVENT_TABLE(wxSpinButton, wxControl)
     EVT_SIZE(wxSpinButton::OnSize)
 END_EVENT_TABLE()
 

+wxSpinButton::wxSpinButton()
+{
+    m_pos = 0;
+}
+

 bool wxSpinButton::Create(wxWindow *parent,
                           wxWindowID id,
                           const wxPoint& pos,
 bool wxSpinButton::Create(wxWindow *parent,
                           wxWindowID id,
                           const wxPoint& pos,


@@ -119,8 +88,6 @@ bool wxSpinButton::Create(wxWindow *parent,
                           long style,
                           const wxString& name)
 {
                           long style,
                           const wxString& name)
 {

-    m_needParent = TRUE;
-

     wxSize new_size = size,
            sizeBest = DoGetBestSize();
     new_size.x = sizeBest.x;            // override width always
     wxSize new_size = size,
            sizeBest = DoGetBestSize();
     new_size.x = sizeBest.x;            // override width always


@@ -130,86 +97,71 @@ bool wxSpinButton::Create(wxWindow *parent,
     if (!PreCreation( parent, pos, new_size ) ||
         !CreateBase( parent, id, pos, new_size, style, wxDefaultValidator, name ))
     {
     if (!PreCreation( parent, pos, new_size ) ||
         !CreateBase( parent, id, pos, new_size, style, wxDefaultValidator, name ))
     {

-        wxFAIL_MSG( wxT("wxXX creation failed") );
-           return FALSE;
+        wxFAIL_MSG( wxT("wxSpinButton creation failed") );
+        return false;

     }
 
     }
 

-    m_oldPos = 0.0;
+    m_pos = 0;

 
 

-    m_adjust = (GtkAdjustment*) gtk_adjustment_new( 0.0, 0.0, 100.0, 1.0, 5.0, 0.0);
-
-    m_widget = gtk_spin_button_new( m_adjust, 0, 0 );
+    m_widget = gtk_spin_button_new_with_range(0, 100, 1);
+    g_object_ref(m_widget);

 
     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),
                               (int)(m_windowStyle & wxSP_WRAP) );
 

-    gtk_signal_connect( GTK_OBJECT (m_adjust),
-                        "value_changed",
-                        (GtkSignalFunc) gtk_spinbutt_callback,
-                        (gpointer) this );
+    g_signal_connect_after(
+        m_widget, "value_changed", G_CALLBACK(gtk_value_changed), this);

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

-    return TRUE;
+    return true;

 }
 
 int wxSpinButton::GetMin() const
 {
     wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
 
 }
 
 int wxSpinButton::GetMin() const
 {
     wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
 

-    return (int)ceil(m_adjust->lower);
+    double min;
+    gtk_spin_button_get_range((GtkSpinButton*)m_widget, &min, NULL);
+    return int(min);

 }
 
 int wxSpinButton::GetMax() const
 {
     wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
 
 }
 
 int wxSpinButton::GetMax() const
 {
     wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
 

-    return (int)ceil(m_adjust->upper);
+    double max;
+    gtk_spin_button_get_range((GtkSpinButton*)m_widget, NULL, &max);
+    return int(max);

 }
 
 int wxSpinButton::GetValue() const
 {
     wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
 
 }
 
 int wxSpinButton::GetValue() const
 {
     wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
 

-    return (int)ceil(m_adjust->value);
+    return m_pos;

 }
 
 void wxSpinButton::SetValue( int value )
 {
     wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );
 
 }
 
 void wxSpinButton::SetValue( int value )
 {
     wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );
 

-    float fpos = (float)value;
-    m_oldPos = fpos;
-    if (fabs(fpos-m_adjust->value) < sensitivity) return;
-
-    m_adjust->value = fpos;
-
-    gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "value_changed" );
+    GtkDisableEvents();
+    gtk_spin_button_set_value((GtkSpinButton*)m_widget, value);
+    m_pos = int(gtk_spin_button_get_value((GtkSpinButton*)m_widget));
+    GtkEnableEvents();

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

-    float fmin = (float)minVal;
-    float fmax = (float)maxVal;
-
-    if ((fabs(fmin-m_adjust->lower) < sensitivity) &&
-        (fabs(fmax-m_adjust->upper) < sensitivity))
-    {
-        return;
-    }
-
-    m_adjust->lower = fmin;
-    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();
+    GtkDisableEvents();
+    gtk_spin_button_set_range((GtkSpinButton*)m_widget, minVal, maxVal);
+    m_pos = int(gtk_spin_button_get_value((GtkSpinButton*)m_widget));
+    GtkEnableEvents();

 }
 
 void wxSpinButton::OnSize( wxSizeEvent &WXUNUSED(event) )
 }
 
 void wxSpinButton::OnSize( wxSizeEvent &WXUNUSED(event) )


@@ -217,32 +169,55 @@ void wxSpinButton::OnSize( wxSizeEvent &WXUNUSED(event) )
     wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );
 
     m_width = DoGetBestSize().x;
     wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );
 
     m_width = DoGetBestSize().x;

-    gtk_widget_set_usize( m_widget, m_width, m_height );
+    gtk_widget_set_size_request( m_widget, m_width, m_height );
+}
+
+bool wxSpinButton::Enable( bool enable )
+{
+    if (!base_type::Enable(enable))
+        return false;
+
+    // Work around lack of visual update when enabling
+    if (enable)
+        GTKFixSensitivity(false /* fix even if not under mouse */);
+
+    return true;
+}
+
+void wxSpinButton::GtkDisableEvents() const
+{
+    g_signal_handlers_block_by_func(m_widget,
+        (gpointer)gtk_value_changed, (void*) this);

 }
 
 }
 

-bool wxSpinButton::IsOwnGtkWindow( GdkWindow *window )
+void wxSpinButton::GtkEnableEvents() const

 {
 {

-    return GTK_SPIN_BUTTON(m_widget)->panel == window;
+    g_signal_handlers_unblock_by_func(m_widget,
+        (gpointer)gtk_value_changed, (void*) this);

 }
 
 }
 

-void wxSpinButton::ApplyWidgetStyle()
+GdkWindow *wxSpinButton::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const

 {
 {

-    SetWidgetStyle();
-    gtk_widget_set_style( m_widget, m_widgetStyle );
+#ifdef __WXGTK3__
+    // no access to internal GdkWindows
+    return NULL;
+#else
+    return GTK_SPIN_BUTTON(m_widget)->panel;
+#endif

 }
 
 wxSize wxSpinButton::DoGetBestSize() const
 {
 }
 
 wxSize wxSpinButton::DoGetBestSize() const
 {

-    return wxSize(15, 26);
+    wxSize best(15, 26); // FIXME
+    CacheBestSize(best);
+    return best;

 }
 
 // static
 wxVisualAttributes
 wxSpinButton::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 {
 }
 
 // static
 wxVisualAttributes
 wxSpinButton::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 {

-    // TODO: overload to accept functions like gtk_spin_button_new?
-    // Until then use a similar type
-    return GetDefaultAttributesFromGTKWidget(gtk_button_new);
+    return GetDefaultAttributesFromGTKWidget(gtk_spin_button_new_with_range(0, 100, 1));

 }
 
 #endif
 }
 
 #endif