X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b0e282b34d7bf24406bd6b94fab31fbe654253dd..67afffcd05e53e20503b7b64215b6c272ac75e47:/src/gtk/spinctrl.cpp

diff --git a/src/gtk/spinctrl.cpp b/src/gtk/spinctrl.cpp
index d5efca072e..b036e0bdb0 100644
--- a/src/gtk/spinctrl.cpp
+++ b/src/gtk/spinctrl.cpp
@@ -1,36 +1,28 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        spinbutt.cpp
+// Name:        src/gtk/spinctrl.cpp
 // Purpose:     wxSpinCtrl
 // Author:      Robert
 // Modified by:
-// RCS-ID:      $Id$
 // Copyright:   (c) Robert Roebling
 // 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 "wx/spinctrl.h"
 
-#include <math.h>
+#ifndef WX_PRECOMP
+    #include "wx/textctrl.h"    // for wxEVT_TEXT
+    #include "wx/utils.h"
+    #include "wx/wxcrtvararg.h"
+#endif
 
-#include <gdk/gdk.h>
 #include <gtk/gtk.h>
-
-//-----------------------------------------------------------------------------
-// idle system
-//-----------------------------------------------------------------------------
-
-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
-
-static const float sensitivity = 0.02;
+#include "wx/gtk/private.h"
+#include "wx/gtk/private/gtk2-compat.h"
 
 //-----------------------------------------------------------------------------
 // data
@@ -42,216 +34,465 @@ 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, wxSpinCtrlGTKBase* win)
 {
-    if (g_isIdle) wxapp_install_idle_handler();
+    if (g_blockEventsOnDrag)
+        return;
 
-    if (!win->m_hasVMT) return;
-    if (g_blockEventsOnDrag) return;
+    if (wxIsKindOf(win, wxSpinCtrl))
+    {
+        wxSpinEvent event(wxEVT_SPINCTRL, win->GetId());
+        event.SetEventObject( win );
+        event.SetPosition(static_cast<wxSpinCtrl*>(win)->GetValue());
+        event.SetString(gtk_entry_get_text(GTK_ENTRY(spinbutton)));
+        win->HandleWindowEvent( event );
+    }
+    else // wxIsKindOf(win, wxSpinCtrlDouble)
+    {
+        wxSpinDoubleEvent event( wxEVT_SPINCTRLDOUBLE, win->GetId());
+        event.SetEventObject( win );
+        event.SetValue(static_cast<wxSpinCtrlDouble*>(win)->GetValue());
+        event.SetString(gtk_entry_get_text(GTK_ENTRY(spinbutton)));
+        win->HandleWindowEvent( event );
+    }
+}
+}
 
-    wxCommandEvent event( wxEVT_COMMAND_SPINCTRL_UPDATED, win->GetId());
+//-----------------------------------------------------------------------------
+//  "changed"
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static void
+gtk_changed(GtkSpinButton* spinbutton, wxSpinCtrl* win)
+{
+    wxCommandEvent event( wxEVT_TEXT, win->GetId() );
     event.SetEventObject( win );
-    event.SetInt( win->GetValue() );
-    win->GetEventHandler()->ProcessEvent( event );
+    event.SetString(gtk_entry_get_text(GTK_ENTRY(spinbutton)));
+    event.SetInt(win->GetValue());
+    win->HandleWindowEvent( event );
 }
+}
+
+// ----------------------------------------------------------------------------
+// wxSpinCtrlEventDisabler: helper to temporarily disable GTK+ events
+// ----------------------------------------------------------------------------
+
+class wxSpinCtrlEventDisabler
+{
+public:
+    wxEXPLICIT wxSpinCtrlEventDisabler(wxSpinCtrlGTKBase* spin)
+        : m_spin(spin)
+    {
+        m_spin->GtkDisableEvents();
+    }
+
+    ~wxSpinCtrlEventDisabler()
+    {
+        m_spin->GtkEnableEvents();
+    }
+
+private:
+    wxSpinCtrlGTKBase* const m_spin;
+
+    wxDECLARE_NO_COPY_CLASS(wxSpinCtrlEventDisabler);
+};
 
 //-----------------------------------------------------------------------------
-// wxSpinCtrl
+// wxSpinCtrlGTKBase
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl,wxControl)
-
-BEGIN_EVENT_TABLE(wxSpinCtrl, wxControl)
-    EVT_CHAR(wxSpinCtrl::OnChar)
+BEGIN_EVENT_TABLE(wxSpinCtrlGTKBase, wxSpinCtrlBase)
+    EVT_CHAR(wxSpinCtrlGTKBase::OnChar)
 END_EVENT_TABLE()
 
-bool wxSpinCtrl::Create(wxWindow *parent, wxWindowID id,
+bool wxSpinCtrlGTKBase::Create(wxWindow *parent, wxWindowID id,
                         const wxString& value,
                         const wxPoint& pos,  const wxSize& size,
                         long style,
-                        int min, int max, int initial,
+                        double min, double max, double initial, double inc,
                         const wxString& name)
 {
-    m_needParent = TRUE;
-    m_acceptsFocus = TRUE;
-
     if (!PreCreation( parent, pos, size ) ||
         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
     {
-        wxFAIL_MSG( wxT("wxSpinCtrl creation failed") );
-        return FALSE;
+        wxFAIL_MSG( wxT("wxSpinCtrlGTKBase creation failed") );
+        return false;
     }
 
-    m_oldPos = initial;
+    m_widget = gtk_spin_button_new_with_range(min, max, inc);
+    g_object_ref(m_widget);
 
-    m_adjust = (GtkAdjustment*) gtk_adjustment_new( initial, min, max, 1.0, 5.0, 0.0);
+    gtk_spin_button_set_value( GTK_SPIN_BUTTON(m_widget), initial);
 
-    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) );
+    gfloat align;
+    if ( HasFlag(wxALIGN_RIGHT) )
+        align = 1.0;
+    else if ( HasFlag(wxALIGN_CENTRE) )
+        align = 0.5;
+    else
+        align = 0.0;
 
-    GtkEnableEvents();
-    
-    m_parent->DoAddChild( this );
+    gtk_entry_set_alignment(GTK_ENTRY(m_widget), align);
 
-    PostCreation();
+    gtk_spin_button_set_wrap( GTK_SPIN_BUTTON(m_widget),
+                              (int)(m_windowStyle & wxSP_WRAP) );
 
-    SetFont( parent->GetFont() );
-    
-    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 );
+    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);
 
-    SetBackgroundColour( parent->GetBackgroundColour() );
+    m_parent->DoAddChild( this );
 
-    SetValue( value );
+    PostCreation(size);
 
-    Show( TRUE );
+    if (!value.empty())
+    {
+        SetValue(value);
+    }
 
-    return TRUE;
+    return true;
 }
 
-void wxSpinCtrl::GtkDisableEvents()
+double wxSpinCtrlGTKBase::DoGetValue() const
 {
-    gtk_signal_disconnect_by_func( GTK_OBJECT(m_adjust),
-                        GTK_SIGNAL_FUNC(gtk_spinctrl_callback),
-                        (gpointer) this );
+    wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
 
+    // Get value directly from current control text, just as
+    // gtk_spin_button_update() would do. Calling gtk_spin_button_update() causes
+    // a redraw, which causes an idle event, so if GetValue() is called from
+    // a UI update handler, you get a never ending sequence of idle events. It
+    // also forces the text into valid range, which wxMSW GetValue() does not do.
+    static unsigned sig_id;
+    if (sig_id == 0)
+        sig_id = g_signal_lookup("input", GTK_TYPE_SPIN_BUTTON);
+    double value;
+    int handled = 0;
+    g_signal_emit(m_widget, sig_id, 0, &value, &handled);
+    if (!handled)
+        value = g_strtod(gtk_entry_get_text(GTK_ENTRY(m_widget)), NULL);
+    GtkAdjustment* adj =
+        gtk_spin_button_get_adjustment(GTK_SPIN_BUTTON(m_widget));
+    const double lower = gtk_adjustment_get_lower(adj);
+    const double upper = gtk_adjustment_get_upper(adj);
+    if (value < lower)
+        value = lower;
+    else if (value > upper)
+        value = upper;
+
+    return value;
 }
 
-void wxSpinCtrl::GtkEnableEvents()
+double wxSpinCtrlGTKBase::DoGetMin() const
 {
-    gtk_signal_connect( GTK_OBJECT (m_adjust),
-                        "value_changed",
-                        GTK_SIGNAL_FUNC(gtk_spinctrl_callback),
-                        (gpointer) this );
+    wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
+
+    double min = 0;
+    gtk_spin_button_get_range( GTK_SPIN_BUTTON(m_widget), &min, NULL);
+    return min;
 }
 
-int wxSpinCtrl::GetMin() const
+double wxSpinCtrlGTKBase::DoGetMax() const
 {
     wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
 
-    return (int)ceil(m_adjust->lower);
+    double max = 0;
+    gtk_spin_button_get_range( GTK_SPIN_BUTTON(m_widget), NULL, &max);
+    return max;
 }
 
-int wxSpinCtrl::GetMax() const
+double wxSpinCtrlGTKBase::DoGetIncrement() const
 {
     wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
 
-    return (int)ceil(m_adjust->upper);
+    double inc = 0;
+    gtk_spin_button_get_increments( GTK_SPIN_BUTTON(m_widget), &inc, NULL);
+    return inc;
 }
 
-int wxSpinCtrl::GetValue() const
+bool wxSpinCtrlGTKBase::GetSnapToTicks() const
 {
-    wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
-
-    gtk_spin_button_update( GTK_SPIN_BUTTON(m_widget) );
+    wxCHECK_MSG(m_widget, false, "invalid spin button");
 
-    return (int)ceil(m_adjust->value);
+    return gtk_spin_button_get_snap_to_ticks( GTK_SPIN_BUTTON(m_widget) ) != 0;
 }
 
-void wxSpinCtrl::SetValue( const wxString& value )
+void wxSpinCtrlGTKBase::SetValue( const wxString& value )
 {
     wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );
 
-    int n;
-    if ( (wxSscanf(value, wxT("%d"), &n) == 1) )
+    double n;
+    if ( wxSscanf(value, "%lg", &n) == 1 )
     {
-        // a number - set it
-        SetValue(n);
-    }
-    else
-    {
-        // invalid number - set text as is (wxMSW compatible)
-        GtkDisableEvents();
-        gtk_entry_set_text( GTK_ENTRY(m_widget), value.mbc_str() );
-        GtkEnableEvents();
+        // a number - set it, let DoSetValue round for int value
+        DoSetValue(n);
+        return;
     }
+
+    // invalid number - set text as is (wxMSW compatible)
+    wxSpinCtrlEventDisabler disable(this);
+    gtk_entry_set_text( GTK_ENTRY(m_widget), wxGTK_CONV( value ) );
 }
 
-void wxSpinCtrl::SetValue( int value )
+void wxSpinCtrlGTKBase::DoSetValue( double 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;
+    wxSpinCtrlEventDisabler disable(this);
+    gtk_spin_button_set_value( GTK_SPIN_BUTTON(m_widget), value);
+}
 
-    m_adjust->value = fpos;
+void wxSpinCtrlGTKBase::SetSnapToTicks(bool snap_to_ticks)
+{
+    wxCHECK_RET( (m_widget != NULL), "invalid spin button" );
 
-    GtkDisableEvents();
-    gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "value_changed" );
-    GtkEnableEvents();
+    gtk_spin_button_set_snap_to_ticks( GTK_SPIN_BUTTON(m_widget), snap_to_ticks);
 }
 
-void wxSpinCtrl::SetRange(int minVal, int maxVal)
+void wxSpinCtrlGTKBase::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 wxSpinCtrlGTKBase::DoSetRange(double minVal, double maxVal)
 {
     wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );
 
-    float fmin = (float)minVal;
-    float fmax = (float)maxVal;
+    wxSpinCtrlEventDisabler disable(this);
+    gtk_spin_button_set_range( GTK_SPIN_BUTTON(m_widget), minVal, maxVal);
+}
 
-    if ((fabs(fmin-m_adjust->lower) < sensitivity) &&
-        (fabs(fmax-m_adjust->upper) < sensitivity))
-    {
-        return;
-    }
+void wxSpinCtrlGTKBase::DoSetIncrement(double inc)
+{
+    wxCHECK_RET( m_widget, "invalid spin button" );
+
+    wxSpinCtrlEventDisabler disable(this);
 
-    m_adjust->lower = fmin;
-    m_adjust->upper = fmax;
+    // Preserve the old page value when changing just the increment.
+    double page = 10*inc;
+    gtk_spin_button_get_increments( GTK_SPIN_BUTTON(m_widget), NULL, &page);
 
-    gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" );
+    gtk_spin_button_set_increments( GTK_SPIN_BUTTON(m_widget), inc, page);
+}
+
+void wxSpinCtrlGTKBase::GtkDisableEvents() const
+{
+    g_signal_handlers_block_by_func( m_widget,
+        (gpointer)gtk_value_changed, (void*) this);
 
-    // these two calls are required due to some bug in GTK
-    Refresh();
-    SetFocus();
+    g_signal_handlers_block_by_func(m_widget,
+        (gpointer)gtk_changed, (void*) this);
 }
 
-void wxSpinCtrl::OnChar( wxKeyEvent &event )
+void wxSpinCtrlGTKBase::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 wxSpinCtrlGTKBase::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 = gtk_window_get_default_widget(window);
+
+                if ( widgetDef )
+                {
+                    gtk_widget_activate(widgetDef);
+                    return;
+                }
+            }
         }
     }
 
+    if ((event.GetKeyCode() == WXK_RETURN) && (m_windowStyle & wxTE_PROCESS_ENTER))
+    {
+        wxCommandEvent evt( wxEVT_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 (HandleWindowEvent(evt)) return;
+    }
+
     event.Skip();
 }
 
-bool wxSpinCtrl::IsOwnGtkWindow( GdkWindow *window )
+GdkWindow *wxSpinCtrlGTKBase::GTKGetWindow(wxArrayGdkWindows& windows) const
 {
-    return GTK_SPIN_BUTTON(m_widget)->panel == window;
+#ifdef __WXGTK3__
+    // no access to internal GdkWindows
+    wxUnusedVar(windows);
+#else
+    GtkSpinButton* spinbutton = GTK_SPIN_BUTTON(m_widget);
+
+    windows.push_back(spinbutton->entry.text_area);
+    windows.push_back(spinbutton->panel);
+#endif
+
+    return NULL;
 }
 
-void wxSpinCtrl::ApplyWidgetStyle()
+wxSize wxSpinCtrlGTKBase::DoGetBestSize() const
 {
-    SetWidgetStyle();
-    gtk_widget_set_style( m_widget, m_widgetStyle );
+    return DoGetSizeFromTextSize(95); // TODO: 95 is completely arbitrary
 }
 
-wxSize wxSpinCtrl::DoGetBestSize() const
+wxSize wxSpinCtrlGTKBase::DoGetSizeFromTextSize(int xlen, int ylen) const
 {
-    wxSize ret( wxControl::DoGetBestSize() );
-    return wxSize(95, ret.y);
-}
+    wxASSERT_MSG( m_widget, wxS("GetSizeFromTextSize called before creation") );
+
+    // Set an as small as possible size for the control, so preferred sizes
+    // return "natural" sizes, not taking into account the previous ones (which
+    // seems to be GTK+3 behaviour)
+    gtk_widget_set_size_request(m_widget, 0, 0);
 
+    // Both Gtk+2 and Gtk+3 use current value/range to measure control's width.
+    // So, we can't ask Gtk+ for its width. Instead, we used hardcoded values.
+
+    // Returned height is OK
+    wxSize totalS = GTKGetPreferredSize(m_widget);
+
+#if GTK_CHECK_VERSION(3,4,0)
+    // two buttons in horizontal
+    totalS.x = 46 + 15; // margins included
+#else
+    // two small buttons in vertical
+    totalS.x = GetFont().GetPixelSize().y + 13; // margins included
 #endif
-   // wxUSE_SPINCTRL
+
+    wxSize tsize(xlen + totalS.x, totalS.y);
+
+    // Check if the user requested a non-standard height.
+    if ( ylen > 0 )
+        tsize.IncBy(0, ylen - GetCharHeight());
+
+    return tsize;
+}
+
+// static
+wxVisualAttributes
+wxSpinCtrlGTKBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+    return GetDefaultAttributesFromGTKWidget(gtk_spin_button_new_with_range(0, 100, 1), true);
+}
+
+//-----------------------------------------------------------------------------
+// wxSpinCtrl
+//-----------------------------------------------------------------------------
+
+extern "C"
+{
+
+static gboolean
+wx_gtk_spin_input(GtkSpinButton* spin, gdouble* val, wxSpinCtrl* win)
+{
+    // We might use g_ascii_strtoll() here but it's 2.12+ only, so use our own
+    // wxString function even if this requires an extra conversion.
+    const wxString
+        text(wxString::FromUTF8(gtk_entry_get_text(GTK_ENTRY(spin))));
+
+    long lval;
+    if ( !text.ToLong(&lval, win->GetBase()) )
+        return FALSE;
+
+    *val = lval;
+
+    return TRUE;
+}
+
+static gint
+wx_gtk_spin_output(GtkSpinButton* spin, wxSpinCtrl* win)
+{
+    const gint val = gtk_spin_button_get_value_as_int(spin);
+
+    gtk_entry_set_text
+    (
+        GTK_ENTRY(spin),
+        wxPrivate::wxSpinCtrlFormatAsHex(val, win->GetMax()).utf8_str()
+    );
+
+    return TRUE;
+}
+
+} // extern "C"
+
+bool wxSpinCtrl::SetBase(int base)
+{
+    // Currently we only support base 10 and 16. We could add support for base
+    // 8 quite easily but wxMSW doesn't support it natively so don't bother
+    // with doing something wxGTK-specific here.
+    if ( base != 10 && base != 16 )
+        return false;
+
+    if ( base == m_base )
+        return true;
+
+    m_base = base;
+
+    // We need to be able to enter letters for any base greater than 10.
+    gtk_spin_button_set_numeric( GTK_SPIN_BUTTON(m_widget), m_base <= 10 );
+
+    if ( m_base != 10 )
+    {
+        g_signal_connect( m_widget, "input",
+                              G_CALLBACK(wx_gtk_spin_input), this);
+        g_signal_connect( m_widget, "output",
+                              G_CALLBACK(wx_gtk_spin_output), this);
+    }
+    else
+    {
+        g_signal_handlers_disconnect_by_func(m_widget,
+                                             (gpointer)wx_gtk_spin_input,
+                                             this);
+        g_signal_handlers_disconnect_by_func(m_widget,
+                                             (gpointer)wx_gtk_spin_output,
+                                             this);
+    }
+
+    return true;
+}
+
+//-----------------------------------------------------------------------------
+// wxSpinCtrlDouble
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrlDouble, wxSpinCtrlGTKBase)
+
+unsigned wxSpinCtrlDouble::GetDigits() const
+{
+    wxCHECK_MSG( m_widget, 0, "invalid spin button" );
+
+    return gtk_spin_button_get_digits( GTK_SPIN_BUTTON(m_widget) );
+}
+
+void wxSpinCtrlDouble::SetDigits(unsigned digits)
+{
+    wxCHECK_RET( m_widget, "invalid spin button" );
+
+    wxSpinCtrlEventDisabler disable(this);
+    gtk_spin_button_set_digits( GTK_SPIN_BUTTON(m_widget), digits);
+}
+
+#endif // wxUSE_SPINCTRL