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 71e20e97f2a910e75cd0cbaaaef655b80bb9ca64..55ca28b5c2ed658a095622477b37fe544f76ed64 100644 (file)
--- a/src/gtk/bmpbuttn.cpp
+++ b/src/gtk/bmpbuttn.cpp
@@ -1,315 +1,41 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

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

 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling

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

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

-#ifdef __GNUG__
-#pragma implementation "bmpbuttn.h"
-#endif
-
-#include "wx/bmpbuttn.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"

 
 #if wxUSE_BMPBUTTON
 
 
 #if wxUSE_BMPBUTTON
 

-#include "gdk/gdk.h"
-#include "gtk/gtk.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 )
-{
-    if (!button->m_hasVMT) return;
-    if (g_blockEventsOnDrag) return;
-
-    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,wxControl)
-
-wxBitmapButton::wxBitmapButton()
-{
-}
+#include "wx/bmpbuttn.h"

 
 

-bool wxBitmapButton::Create( wxWindow *parent, wxWindowID id, const wxBitmap &bitmap,
-                             const wxPoint &pos, const wxSize &size, 
-                             long style, const wxValidator& validator, const wxString &name )
+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;
-  
-    wxSize newSize = size;
-
-    PreCreation( parent, id, pos, newSize, style, name );
-  
-    SetValidator( validator );
-
-    m_bitmap   = bitmap;
-    m_disabled = bitmap;
-    m_focus    = bitmap;
-    m_selected = bitmap;
-  
-    m_label = "";
-  
-    m_widget = gtk_button_new();
+    if ( !wxBitmapButtonBase::Create(parent, id, pos, size, style,
+                                     validator, name) )
+        return false;

 
 

-#if (GTK_MINOR_VERSION > 0)    
-    if (style & wxNO_BORDER)
-       gtk_button_set_relief( GTK_BUTTON(m_widget), GTK_RELIEF_NONE );
-#endif
-
-    if (m_bitmap.Ok())
+    if ( bitmap.IsOk() )

     {
     {

-        GdkBitmap *mask = (GdkBitmap *) NULL;
-        if (m_bitmap.GetMask()) mask = m_bitmap.GetMask()->GetBitmap();
-        GtkWidget *pixmap = gtk_pixmap_new( m_bitmap.GetPixmap(), mask );
-    
-        gtk_widget_show( pixmap );
-        gtk_container_add( GTK_CONTAINER(m_widget), pixmap );
-    }
-  
-    int border = 10;
-    if (style & wxNO_BORDER) border = 4;
-    if (newSize.x == -1) newSize.x = m_bitmap.GetWidth()+border;
-    if (newSize.y == -1) newSize.y = m_bitmap.GetHeight()+border;
-    SetSize( newSize.x, newSize.y );
-  
-    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();
-  
-    SetBackgroundColour( parent->GetBackgroundColour() );
-
-    Show( 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, _T("invalid button") );
+        SetBitmapLabel(bitmap);

 
 

-    wxControl::SetLabel( label );
-}
-
-wxString wxBitmapButton::GetLabel() const
-{
-    wxCHECK_MSG( m_widget != NULL, _T(""), _T("invalid button") );
-
-    return wxControl::GetLabel();
-}
-
-void wxBitmapButton::ApplyWidgetStyle()
-{
-}
-
-void wxBitmapButton::SetBitmap()
-{
-    wxCHECK_RET( m_widget != NULL, _T("invalid button") );
-
-    wxBitmap the_one;
-  
-    if (!m_isEnabled) 
-        the_one = m_disabled;
-    else 
-    {
-        if (m_isSelected) 
-       {
-           the_one = m_selected;
-       }
-        else 
-       {
-            if (m_hasFocus) 
-               the_one = m_focus;
-            else 
-               the_one = m_bitmap;
-        }
+        // we need to adjust the size after setting the bitmap as it may be too
+        // big for the default button size
+        SetInitialSize(size);

     }
 
     }
 

-    if (!the_one.Ok()) the_one = m_bitmap;
-    if (!the_one.Ok()) return;
-  
-    GtkButton *bin = GTK_BUTTON( m_widget );
-    GtkPixmap *g_pixmap = GTK_PIXMAP( bin->child );
-  
-    GdkBitmap *mask = (GdkBitmap *) NULL;
-    if (the_one.GetMask()) mask = the_one.GetMask()->GetBitmap();
-  
-    gtk_pixmap_set( g_pixmap, the_one.GetPixmap(), mask );
+    return true;

 }
 }

-
-void wxBitmapButton::SetBitmapDisabled( const wxBitmap& bitmap ) 
-{
-  wxCHECK_RET( m_widget != NULL, _T("invalid button") );
-
-  if ( ! m_disabled.Ok() ) return;
-  m_disabled = bitmap;
-
-  SetBitmap();
-}
-
-void wxBitmapButton::SetBitmapFocus( const wxBitmap& bitmap ) 
-{
-    wxCHECK_RET( m_widget != NULL, _T("invalid button") );
-
-    if ( ! m_focus.Ok() ) return;
-    m_focus = bitmap;
-
-    SetBitmap();
-}
-
-void wxBitmapButton::SetBitmapLabel( const wxBitmap& bitmap )
-{
-    wxCHECK_RET( m_widget != NULL, _T("invalid button") );
-
-    if (!m_bitmap.Ok()) return;
-    m_bitmap = bitmap;
-  
-    SetBitmap();
-}
-
-void wxBitmapButton::SetBitmapSelected( const wxBitmap& bitmap )
-{
-    wxCHECK_RET( m_widget != NULL, _T("invalid button") );
-
-    if ( ! m_selected.Ok() ) return;
-    m_selected = bitmap;
-
-    SetBitmap();
-}
-
-bool wxBitmapButton::Enable( bool enable )
-{
-    if ( !wxWindow::Enable(enable) )
-        return FALSE;
-
-    SetBitmap();
-
-    return TRUE;
-}
-
-void wxBitmapButton::HasFocus()
-{
-    m_hasFocus = TRUE;
-    SetBitmap();
-}
-
-void wxBitmapButton::NotFocus()
-{
-    m_hasFocus = FALSE;
-    SetBitmap();
-}
-
-void wxBitmapButton::StartSelect()
-{
-    m_isSelected = TRUE;
-    SetBitmap();
-}
-
-void wxBitmapButton::EndSelect()
-{
-    m_isSelected = FALSE;
-    SetBitmap();
-}
-
-#endif
\ No newline at end of file
+#endif // wxUSE_BMPBUTTON