]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/spinctrl.cpp
corrected off by 1 error in cMB2WC() call (thanks valgrind)
[wxWidgets.git] / src / gtk / spinctrl.cpp
index 10651bf7659f31e220bd2c3a4596604537d95a1a..d14e452c6cc495d39c0733f20d0a0995c592c6a8 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        spinbutt.cpp
+// Name:        src/gtk/spinbutt.cpp
 // Purpose:     wxSpinCtrl
 // Author:      Robert
 // Modified by:
@@ -8,29 +8,20 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "spinctrl.h"
-#endif
-
-#include "wx/spinctrl.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
 #if wxUSE_SPINCTRL
 
-#include "wx/utils.h"
-
-#include <math.h>
-
-#include <gdk/gdk.h>
-#include <gtk/gtk.h>
-
-//-----------------------------------------------------------------------------
-// idle system
-//-----------------------------------------------------------------------------
+#include "wx/spinctrl.h"
 
-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
+#ifndef WX_PRECOMP
+    #include "wx/textctrl.h"    // for wxEVT_COMMAND_TEXT_UPDATED
+    #include "wx/utils.h"
+    #include "wx/wxcrtvararg.h"
+#endif
 
-static const float sensitivity = 0.02;
+#include "wx/gtk/private.h"
 
 //-----------------------------------------------------------------------------
 // data
@@ -42,18 +33,48 @@ extern bool   g_blockEventsOnDrag;
 // "value_changed"
 //-----------------------------------------------------------------------------
 
-static void gtk_spinctrl_callback( GtkWidget *WXUNUSED(widget), wxSpinCtrl *win )
+extern "C" {
+static void
+gtk_value_changed(GtkSpinButton* spinbutton, wxSpinCtrl* win)
 {
-    if (g_isIdle) wxapp_install_idle_handler();
-
-    if (!win->m_hasVMT) return;
-    if (g_blockEventsOnDrag) return;
+    win->m_pos = int(gtk_spin_button_get_value(spinbutton));
+    if (!win->m_hasVMT || g_blockEventsOnDrag || win->m_blockScrollEvent)
+        return;
 
     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(win->m_pos);
     win->GetEventHandler()->ProcessEvent( event );
 }
+}
+
+//-----------------------------------------------------------------------------
+//  "changed"
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static void
+gtk_changed(GtkSpinButton* spinbutton, wxSpinCtrl* win)
+{
+    if (!win->m_hasVMT || win->m_blockScrollEvent)
+        return;
+
+    wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
+    event.SetEventObject( win );
+    event.SetString( GTK_ENTRY(spinbutton)->text );
+
+    // see above
+    event.SetInt(win->m_pos);
+    win->GetEventHandler()->ProcessEvent( event );
+}
+}
 
 //-----------------------------------------------------------------------------
 // wxSpinCtrl
@@ -65,6 +86,11 @@ BEGIN_EVENT_TABLE(wxSpinCtrl, wxControl)
     EVT_CHAR(wxSpinCtrl::OnChar)
 END_EVENT_TABLE()
 
+wxSpinCtrl::wxSpinCtrl()
+{
+    m_pos = 0;
+}
+
 bool wxSpinCtrl::Create(wxWindow *parent, wxWindowID id,
                         const wxString& value,
                         const wxPoint& pos,  const wxSize& size,
@@ -72,66 +98,62 @@ 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;
-
-    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;
-
-    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_widget = gtk_spin_button_new_with_range(min, max, 1);
+    gtk_spin_button_set_value((GtkSpinButton*)m_widget, initial);
+    m_pos = int(gtk_spin_button_get_value((GtkSpinButton*)m_widget));
 
     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 );
+    g_signal_connect_after(m_widget, "value_changed", G_CALLBACK(gtk_value_changed), this);
+    g_signal_connect_after(m_widget, "changed", G_CALLBACK(gtk_changed), this);
 
     m_parent->DoAddChild( this );
 
-    PostCreation();
+    PostCreation(size);
 
-    SetBackgroundColour( parent->GetBackgroundColour() );
-
-    SetValue( value );
-
-    Show( TRUE );
+    if (!value.empty())
+    {
+        SetValue(value);
+    }
 
-    return TRUE;
+    return true;
 }
 
 int wxSpinCtrl::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 wxSpinCtrl::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 wxSpinCtrl::GetValue() const
 {
     wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
 
-    return (int)ceil(m_adjust->value);
+    GtkDisableEvents();
+    gtk_spin_button_update( GTK_SPIN_BUTTON(m_widget) );
+    GtkEnableEvents();
+
+    return m_pos;
 }
 
 void wxSpinCtrl::SetValue( const wxString& value )
@@ -147,7 +169,9 @@ 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();
     }
 }
 
@@ -155,68 +179,114 @@ void wxSpinCtrl::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;
+    GtkDisableEvents();
+    gtk_spin_button_set_value((GtkSpinButton*)m_widget, value);
+    GtkEnableEvents();
+}
 
-    m_adjust->value = fpos;
+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_signal_emit_by_name( GTK_OBJECT(m_adjust), "value_changed" );
+    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") );
 
-    float fmin = (float)minVal;
-    float fmax = (float)maxVal;
-
-    if ((fabs(fmin-m_adjust->lower) < sensitivity) &&
-        (fabs(fmax-m_adjust->upper) < sensitivity))
-    {
-        return;
-    }
+    GtkDisableEvents();
+    gtk_spin_button_set_range((GtkSpinButton*)m_widget, minVal, maxVal);
+    GtkEnableEvents();
+}
 
-    m_adjust->lower = fmin;
-    m_adjust->upper = fmax;
 
-    gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" );
+void wxSpinCtrl::GtkDisableEvents() const
+{
+    g_signal_handlers_block_by_func( m_widget,
+        (gpointer)gtk_value_changed, (void*) this);
+        
+    g_signal_handlers_block_by_func(m_widget,
+        (gpointer)gtk_changed, (void*) this);
+}
 
-    // these two calls are required due to some bug in GTK
-    Refresh();
-    SetFocus();
+void wxSpinCtrl::GtkEnableEvents() const
+{
+    g_signal_handlers_unblock_by_func(m_widget,
+        (gpointer)gtk_value_changed, (void*) this);
+        
+    g_signal_handlers_unblock_by_func(m_widget,
+        (gpointer)gtk_changed, (void*) this);
 }
 
 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))
-            top_frame = top_frame->GetParent();
-        GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
+        wxWindow *top_frame = wxGetTopLevelParent(m_parent);
 
-        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();
 }
 
-bool wxSpinCtrl::IsOwnGtkWindow( GdkWindow *window )
+GdkWindow *wxSpinCtrl::GTKGetWindow(wxArrayGdkWindows& windows) const
+{
+    GtkSpinButton* spinbutton = GTK_SPIN_BUTTON(m_widget);
+
+    windows.push_back(spinbutton->entry.text_area);
+    windows.push_back(spinbutton->panel);
+
+    return NULL;
+}
+
+wxSize wxSpinCtrl::DoGetBestSize() const
 {
-    return GTK_SPIN_BUTTON(m_widget)->panel == window;
+    wxSize ret( wxControl::DoGetBestSize() );
+    wxSize best(95, ret.y); // FIXME: 95?
+    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