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[wxWidgets.git] / src / gtk1 / spinbutt.cpp
diff --git a/src/gtk1/spinbutt.cpp b/src/gtk1/spinbutt.cpp
index 392310c3f9f1635a29c0bf7cadf8847b9e7b697c..84e55b4d933068a9b95ba5a3e3b9f99f8f8a1914 100644 (file)
--- a/src/gtk1/spinbutt.cpp
+++ b/src/gtk1/spinbutt.cpp
@@ -1,23 +1,33 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////
-// Name:        spinbutt.cpp
+// Name:        src/gtk1/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:    wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "spinbutt.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if wxUSE_SPINBTN
 
 #include "wx/spinbutt.h"
 
 #include "wx/spinbutt.h"
-#include "wx/utils.h"
-#include <math.h>
 
 
-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
+#ifndef WX_PRECOMP
+    #include "wx/utils.h"
+    #include "wx/math.h"
+#endif
+
+#include "wx/gtk1/private.h"
+
+//-----------------------------------------------------------------------------
+// idle system
+//-----------------------------------------------------------------------------
+
+extern void wxapp_install_idle_handler();
+extern bool g_isIdle;
 
 //-----------------------------------------------------------------------------
 // data
 
 //-----------------------------------------------------------------------------
 // data
@@ -25,38 +35,68 @@
 
 extern bool   g_blockEventsOnDrag;
 
 
 extern bool   g_blockEventsOnDrag;
 
+static const float sensitivity = 0.02;
+
 //-----------------------------------------------------------------------------
 // "value_changed"
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 // "value_changed"
 //-----------------------------------------------------------------------------
 
+extern "C" {
 static void gtk_spinbutt_callback( GtkWidget *WXUNUSED(widget), wxSpinButton *win )
 static void gtk_spinbutt_callback( GtkWidget *WXUNUSED(widget), wxSpinButton *win )
-{ 
-    if (!win->HasVMT()) return;
+{
+    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 (g_blockEventsOnDrag) return;
 
     float diff = win->m_adjust->value - win->m_oldPos;
-    if (fabs(diff) < 0.2) return;
-    win->m_oldPos = win->m_adjust->value;
-  
+    if (fabs(diff) < sensitivity) return;
+
     wxEventType command = wxEVT_NULL;
     wxEventType command = wxEVT_NULL;
-  
+
     float line_step = win->m_adjust->step_increment;
     float line_step = win->m_adjust->step_increment;
-    float page_step = win->m_adjust->page_increment;
-  
-    if (fabs(diff-line_step) < 0.2) command = wxEVT_SCROLL_LINEDOWN;
-    else if (fabs(diff+line_step) < 0.2) command = wxEVT_SCROLL_LINEUP;
-    else if (fabs(diff-page_step) < 0.2) command = wxEVT_SCROLL_PAGEDOWN;
-    else if (fabs(diff+page_step) < 0.2) command = wxEVT_SCROLL_PAGEUP;
+
+    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;
 
     else command = wxEVT_SCROLL_THUMBTRACK;
 
-    int value = (int)(win->m_adjust->value+0.5);
-      
+    int value = (int)ceil(win->m_adjust->value);
+
     wxSpinEvent event( command, win->GetId());
     event.SetPosition( value );
     wxSpinEvent event( command, win->GetId());
     event.SetPosition( value );
-    event.SetOrientation( wxVERTICAL );
     event.SetEventObject( win );
     event.SetEventObject( win );
-  
-    win->GetEventHandler()->ProcessEvent( event );
+
+    if ((win->GetEventHandler()->ProcessEvent( event )) &&
+        !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 );
+        return;
+    }
+
+    win->m_oldPos = win->m_adjust->value;
+
+    /* 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 );
+    }
+}
 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------
@@ -64,116 +104,117 @@ static void gtk_spinbutt_callback( GtkWidget *WXUNUSED(widget), wxSpinButton *wi
 //-----------------------------------------------------------------------------
 
 IMPLEMENT_DYNAMIC_CLASS(wxSpinButton,wxControl)
 //-----------------------------------------------------------------------------
 
 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()
+bool wxSpinButton::Create(wxWindow *parent,
+                          wxWindowID id,
+                          const wxPoint& pos,
+                          const wxSize& size,
+                          long style,
+                          const wxString& name)
 {
 {
-}
+    m_needParent = true;
 
 
-bool wxSpinButton::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
-            long style, const wxString& name)
-{
-    m_needParent = TRUE;
-  
-    wxSize new_size = size;
-    new_size.x = 16;
-    if (new_size.y == -1) new_size.y = 30;
-  
-    PreCreation( parent, id, pos, new_size, style, name );
-  
-//  SetValidator( validator );
+    wxSize new_size = size,
+           sizeBest = DoGetBestSize();
+    new_size.x = sizeBest.x;            // override width always
+    if (new_size.y == -1)
+        new_size.y = sizeBest.y;
+
+    if (!PreCreation( parent, pos, new_size ) ||
+        !CreateBase( parent, id, pos, new_size, style, wxDefaultValidator, name ))
+    {
+        wxFAIL_MSG( wxT("wxXX creation failed") );
+        return false;
+    }
 
     m_oldPos = 0.0;
 
     m_adjust = (GtkAdjustment*) gtk_adjustment_new( 0.0, 0.0, 100.0, 1.0, 5.0, 0.0);
 
     m_oldPos = 0.0;
 
     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( m_adjust, 0, 0 );
-    
-    gtk_spin_button_set_wrap( GTK_SPIN_BUTTON(m_widget), (m_windowStyle & wxSP_WRAP) );
-       
-    gtk_signal_connect( GTK_OBJECT (m_adjust), 
+
+    gtk_spin_button_set_wrap( GTK_SPIN_BUTTON(m_widget),
+                              (int)(m_windowStyle & wxSP_WRAP) );
+
+    gtk_signal_connect( GTK_OBJECT (m_adjust),
                         "value_changed",
                         "value_changed",
-                       (GtkSignalFunc) gtk_spinbutt_callback, 
-                       (gpointer) this );
-  
-    m_parent->AddChild( this );
-
-    (m_parent->m_insertCallback)( m_parent, this );
-  
-    PostCreation();
-  
-    SetBackgroundColour( parent->GetBackgroundColour() );
-
-    Show( TRUE );
-    
-    return TRUE;
-}
+                        (GtkSignalFunc) gtk_spinbutt_callback,
+                        (gpointer) this );
 
 
-wxSpinButton::~wxSpinButton()
-{
+    m_parent->DoAddChild( this );
+
+    PostCreation(new_size);
+
+    return true;
 }
 
 int wxSpinButton::GetMin() const
 {
 }
 
 int wxSpinButton::GetMin() const
 {
-    wxCHECK_MSG( (m_widget != NULL), 0, "invalid spin button" );
-  
-    return (int)(m_adjust->lower+0.5);
+    wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
+
+    return (int)ceil(m_adjust->lower);
 }
 
 int wxSpinButton::GetMax() const
 {
 }
 
 int wxSpinButton::GetMax() const
 {
-    wxCHECK_MSG( (m_widget != NULL), 0, "invalid spin button" );
-  
-    return (int)(m_adjust->upper+0.5);
+    wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
+
+    return (int)ceil(m_adjust->upper);
 }
 
 int wxSpinButton::GetValue() const
 {
 }
 
 int wxSpinButton::GetValue() const
 {
-    wxCHECK_MSG( (m_widget != NULL), 0, "invalid spin button" );
-  
-    return (int)(m_adjust->value+0.5);
+    wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
+
+    return (int)ceil(m_adjust->value);
 }
 
 void wxSpinButton::SetValue( int value )
 {
 }
 
 void wxSpinButton::SetValue( int value )
 {
-    wxCHECK_RET( (m_widget != NULL), "invalid spin button" );
-  
+    wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );
+
     float fpos = (float)value;
     m_oldPos = fpos;
     float fpos = (float)value;
     m_oldPos = fpos;
-    if (fabs(fpos-m_adjust->value) < 0.2) return;
-    
+    if (fabs(fpos-m_adjust->value) < sensitivity) return;
+
     m_adjust->value = fpos;
     m_adjust->value = fpos;
-  
+
     gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "value_changed" );
 }
 
 void wxSpinButton::SetRange(int minVal, int maxVal)
 {
     gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "value_changed" );
 }
 
 void wxSpinButton::SetRange(int minVal, int maxVal)
 {
-    wxCHECK_RET( (m_widget != NULL), "invalid spin button" );
-  
+    wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );
+
     float fmin = (float)minVal;
     float fmax = (float)maxVal;
     float fmin = (float)minVal;
     float fmax = (float)maxVal;
-      
-    if ((fabs(fmin-m_adjust->lower) < 0.2) &&
-        (fabs(fmax-m_adjust->upper) < 0.2))
+
+    if ((fabs(fmin-m_adjust->lower) < sensitivity) &&
+        (fabs(fmax-m_adjust->upper) < sensitivity))
     {
         return;
     }
     {
         return;
     }
-      
+
     m_adjust->lower = fmin;
     m_adjust->upper = fmax;
 
     gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" );
     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();
 }
 
 void wxSpinButton::OnSize( wxSizeEvent &WXUNUSED(event) )
 {
 }
 
 void wxSpinButton::OnSize( wxSizeEvent &WXUNUSED(event) )
 {
-    wxCHECK_RET( (m_widget != NULL), "invalid spin button" );
-  
-    m_width = 16;
+    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_usize( m_widget, m_width, m_height );
 }
 
@@ -182,21 +223,20 @@ bool wxSpinButton::IsOwnGtkWindow( GdkWindow *window )
     return GTK_SPIN_BUTTON(m_widget)->panel == window;
 }
 
     return GTK_SPIN_BUTTON(m_widget)->panel == window;
 }
 
-void wxSpinButton::ApplyWidgetStyle()
+wxSize wxSpinButton::DoGetBestSize() const
 {
 {
-    SetWidgetStyle();
-    gtk_widget_set_style( m_widget, m_widgetStyle );
+    wxSize best(15, 26); // FIXME
+    CacheBestSize(best);
+    return best;
 }
 
 }
 
-//-----------------------------------------------------------------------------
-// wxSpinEvent
-//-----------------------------------------------------------------------------
-
-IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxScrollEvent)
-
-wxSpinEvent::wxSpinEvent(wxEventType commandType, int id):
-  wxScrollEvent(commandType, id)
+// 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);
 }
 
 }
 
-
+#endif // wxUSE_SPINBTN
wxWidgets (Impactor)