remove always-true tests of unsigned >= 0

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

diff --git a/src/gtk/bmpbuttn.cpp b/src/gtk/bmpbuttn.cpp
index 55b275d0bbd14640befda1a0dce737788130797f..55ca28b5c2ed658a095622477b37fe544f76ed64 100644 (file)
--- a/src/gtk/bmpbuttn.cpp
+++ b/src/gtk/bmpbuttn.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

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

 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$


@@ -7,309 +7,35 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "bmpbuttn.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/defs.h"
-

 #if wxUSE_BMPBUTTON
 
 #include "wx/bmpbuttn.h"
 
 #if wxUSE_BMPBUTTON
 
 #include "wx/bmpbuttn.h"
 

-#include "wx/gtk/private.h"
-
-//-----------------------------------------------------------------------------
-// classes
-//-----------------------------------------------------------------------------
-
-class wxBitmapButton;
-
-//-----------------------------------------------------------------------------
-// idle system
-//-----------------------------------------------------------------------------
-
-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
-
-//-----------------------------------------------------------------------------
-// data
-//-----------------------------------------------------------------------------
-
-extern bool   g_blockEventsOnDrag;
-
-//-----------------------------------------------------------------------------
-// "clicked"
-//-----------------------------------------------------------------------------
-
-static void gtk_bmpbutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
-{
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
-    if (!button->m_hasVMT) return;
-    if (g_blockEventsOnDrag) return;
-
-    wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId());
-    event.SetEventObject(button);
-    button->GetEventHandler()->ProcessEvent(event);
-}
-
-//-----------------------------------------------------------------------------
-// "enter"
-//-----------------------------------------------------------------------------
-
-static void gtk_bmpbutton_enter_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
-{
-    if (!button->m_hasVMT) return;
-    if (g_blockEventsOnDrag) return;
-
-    button->HasFocus();
-}
-
-//-----------------------------------------------------------------------------
-// "leave"
-//-----------------------------------------------------------------------------
-
-static void gtk_bmpbutton_leave_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
-{
-    if (!button->m_hasVMT) return;
-    if (g_blockEventsOnDrag) return;
-
-    button->NotFocus();
-}
-
-//-----------------------------------------------------------------------------
-// "pressed"
-//-----------------------------------------------------------------------------
-
-static void gtk_bmpbutton_press_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
+bool wxBitmapButton::Create(wxWindow *parent,
+                            wxWindowID id,
+                            const wxBitmap& bitmap,
+                            const wxPoint& pos,
+                            const wxSize& size,
+                            long style,
+                            const wxValidator& validator,
+                            const wxString& name)

 {
 {

-    if (!button->m_hasVMT) return;
-    if (g_blockEventsOnDrag) return;
+    if ( !wxBitmapButtonBase::Create(parent, id, pos, size, style,
+                                     validator, name) )
+        return false;

 
 

-    button->StartSelect();
-}
-
-//-----------------------------------------------------------------------------
-// "released"
-//-----------------------------------------------------------------------------
-
-static void gtk_bmpbutton_release_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
-{
-    if (!button->m_hasVMT) return;
-    if (g_blockEventsOnDrag) return;
-
-    button->EndSelect();
-}
-
-//-----------------------------------------------------------------------------
-// wxBitmapButton
-//-----------------------------------------------------------------------------
-
-IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton,wxButton)
-
-void wxBitmapButton::Init()
-{
-    m_hasFocus =
-    m_isSelected = FALSE;
-}
-
-bool wxBitmapButton::Create( wxWindow *parent,
-                             wxWindowID id,
-                             const wxBitmap& bitmap,
-                             const wxPoint& pos,
-                             const wxSize& size,
-                             long style,
-                             const wxValidator& validator,
-                             const wxString &name )
-{
-    m_needParent = TRUE;
-    m_acceptsFocus = TRUE;
-
-    if (!PreCreation( parent, pos, size ) ||
-        !CreateBase( parent, id, pos, size, style, validator, name ))
+    if ( bitmap.IsOk() )

     {
     {

-        wxFAIL_MSG( wxT("wxBitmapButton creation failed") );
-        return FALSE;
-    }
-
-    m_bmpNormal = bitmap;
+        SetBitmapLabel(bitmap);

 
 

-    m_widget = gtk_button_new();
-
-    if (style & wxNO_BORDER)
-       gtk_button_set_relief( GTK_BUTTON(m_widget), GTK_RELIEF_NONE );
-
-    if (m_bmpNormal.Ok())
-    {
-        OnSetBitmap();
+        // we need to adjust the size after setting the bitmap as it may be too
+        // big for the default button size
+        SetInitialSize(size);

     }
 
     }
 

-    gtk_signal_connect( GTK_OBJECT(m_widget), "clicked",
-      GTK_SIGNAL_FUNC(gtk_bmpbutton_clicked_callback), (gpointer*)this );
-
-    gtk_signal_connect( GTK_OBJECT(m_widget), "enter",
-      GTK_SIGNAL_FUNC(gtk_bmpbutton_enter_callback), (gpointer*)this );
-    gtk_signal_connect( GTK_OBJECT(m_widget), "leave",
-      GTK_SIGNAL_FUNC(gtk_bmpbutton_leave_callback), (gpointer*)this );
-    gtk_signal_connect( GTK_OBJECT(m_widget), "pressed",
-      GTK_SIGNAL_FUNC(gtk_bmpbutton_press_callback), (gpointer*)this );
-    gtk_signal_connect( GTK_OBJECT(m_widget), "released",
-      GTK_SIGNAL_FUNC(gtk_bmpbutton_release_callback), (gpointer*)this );
-
-    m_parent->DoAddChild( this );
-
-    PostCreation(size);
-
-    return TRUE;
+    return true;

 }
 }

-
-void wxBitmapButton::SetDefault()
-{
-    GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT );
-    gtk_widget_grab_default( m_widget );
-
-    SetSize( m_x, m_y, m_width, m_height );
-}
-
-void wxBitmapButton::SetLabel( const wxString &label )
-{
-    wxCHECK_RET( m_widget != NULL, wxT("invalid button") );
-
-    wxControl::SetLabel( label );
-}
-
-wxString wxBitmapButton::GetLabel() const
-{
-    wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid button") );
-
-    return wxControl::GetLabel();
-}
-
-void wxBitmapButton::DoApplyWidgetStyle(GtkRcStyle *style)
-{
-    if ( !BUTTON_CHILD(m_widget) )
-        return;
-
-    wxButton::DoApplyWidgetStyle(style);
-}
-
-void wxBitmapButton::OnSetBitmap()
-{
-    wxCHECK_RET( m_widget != NULL, wxT("invalid bitmap button") );
-
-    InvalidateBestSize();
-    
-    wxBitmap the_one;
-    if (!m_isEnabled)
-        the_one = m_bmpDisabled;
-    else if (m_isSelected)
-        the_one = m_bmpSelected;
-    else if (m_hasFocus)
-        the_one = m_bmpFocus;
-    else
-    {
-        if (m_isSelected)
-        {
-            the_one = m_bmpSelected;
-        }
-        else
-        {
-            if (m_hasFocus)
-                the_one = m_bmpFocus;
-            else
-                the_one = m_bmpNormal;
-        }
-    }
-
-    if (!the_one.Ok()) the_one = m_bmpNormal;
-    if (!the_one.Ok()) return;
-
-    GdkBitmap *mask = (GdkBitmap *) NULL;
-    if (the_one.GetMask()) mask = the_one.GetMask()->GetBitmap();
-
-    GtkWidget *child = BUTTON_CHILD(m_widget);
-    if (child == NULL)
-    {
-        // initial bitmap
-        GtkWidget *pixmap;
-#ifdef __WXGTK20__
-        if (the_one.HasPixbuf())
-            pixmap = gtk_image_new_from_pixbuf(the_one.GetPixbuf());
-        else
-            pixmap = gtk_image_new_from_pixmap(the_one.GetPixmap(), mask);
-#else
-        pixmap = gtk_pixmap_new(the_one.GetPixmap(), mask);
-#endif
-        gtk_widget_show(pixmap);
-        gtk_container_add(GTK_CONTAINER(m_widget), pixmap);
-    }
-    else
-    {   // subsequent bitmaps
-#ifdef __WXGTK20__
-        GtkImage *pixmap = GTK_IMAGE(child);
-        if (the_one.HasPixbuf())
-            gtk_image_set_from_pixbuf(pixmap, the_one.GetPixbuf());
-        else
-            gtk_image_set_from_pixmap(pixmap, the_one.GetPixmap(), mask);
-#else
-        GtkPixmap *pixmap = GTK_PIXMAP(child);
-        gtk_pixmap_set(pixmap, the_one.GetPixmap(), mask);
-#endif
-    }
-}
-
-wxSize wxBitmapButton::DoGetBestSize() const
-{
-    wxSize best;
-    
-    if (m_bmpNormal.Ok())
-    {
-        int border = HasFlag(wxNO_BORDER) ? 4 : 10;
-        best.x = m_bmpNormal.GetWidth()+border;
-        best.y = m_bmpNormal.GetHeight()+border;
-    }
-    CacheBestSize(best);
-    return best;
-}
-
-bool wxBitmapButton::Enable( bool enable )
-{
-    if ( !wxWindow::Enable(enable) )
-        return FALSE;
-
-    OnSetBitmap();
-
-    return TRUE;
-}
-
-void wxBitmapButton::HasFocus()
-{
-    m_hasFocus = TRUE;
-    OnSetBitmap();
-}
-
-void wxBitmapButton::NotFocus()
-{
-    m_hasFocus = FALSE;
-    OnSetBitmap();
-}
-
-void wxBitmapButton::StartSelect()
-{
-    m_isSelected = TRUE;
-    OnSetBitmap();
-}
-
-void wxBitmapButton::EndSelect()
-{
-    m_isSelected = FALSE;
-    OnSetBitmap();
-}
-

 #endif // wxUSE_BMPBUTTON
 #endif // wxUSE_BMPBUTTON

-