always return a non NULL font from wxLoadFont

[wxWidgets.git] / src / gtk1 / bmpbuttn.cpp

diff --git a/src/gtk1/bmpbuttn.cpp b/src/gtk1/bmpbuttn.cpp
index 49f84d1698e5a948b4240a39c6bfa08b35c94dee..8fb62fc085dd6420cb018d34f7b840e1770bbd83 100644 (file)
--- a/src/gtk1/bmpbuttn.cpp
+++ b/src/gtk1/bmpbuttn.cpp
@@ -1,10 +1,10 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        bmpbuttn.cpp
+// Name:        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__
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__


@@ -13,8 +13,10 @@
 
 #include "wx/bmpbuttn.h"
 
 
 #include "wx/bmpbuttn.h"
 

-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
+#if wxUSE_BMPBUTTON
+
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>

 
 //-----------------------------------------------------------------------------
 // classes
 
 //-----------------------------------------------------------------------------
 // classes


@@ -22,6 +24,13 @@
 
 class wxBitmapButton;
 
 
 class wxBitmapButton;
 

+//-----------------------------------------------------------------------------
+// idle system
+//-----------------------------------------------------------------------------
+
+extern void wxapp_install_idle_handler();
+extern bool g_isIdle;
+

 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------


@@ -34,9 +43,12 @@ extern bool   g_blockEventsOnDrag;
 
 static void gtk_bmpbutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
 {
 
 static void gtk_bmpbutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
 {

-    if (!button->HasVMT()) return;
+    if (g_isIdle)
+        wxapp_install_idle_handler();
+
+    if (!button->m_hasVMT) return;

     if (g_blockEventsOnDrag) return;
     if (g_blockEventsOnDrag) return;

-  
+

     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId());
     event.SetEventObject(button);
     button->GetEventHandler()->ProcessEvent(event);
     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId());
     event.SetEventObject(button);
     button->GetEventHandler()->ProcessEvent(event);


@@ -48,10 +60,10 @@ static void gtk_bmpbutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxBitma
 
 static void gtk_bmpbutton_enter_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
 {
 
 static void gtk_bmpbutton_enter_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
 {

-    if (!button->HasVMT()) return;
+    if (!button->m_hasVMT) return;

     if (g_blockEventsOnDrag) return;
 
     if (g_blockEventsOnDrag) return;
 

-    button->HasFocus(); 
+    button->HasFocus();

 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------


@@ -60,10 +72,10 @@ static void gtk_bmpbutton_enter_callback( GtkWidget *WXUNUSED(widget), wxBitmapB
 
 static void gtk_bmpbutton_leave_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
 {
 
 static void gtk_bmpbutton_leave_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
 {

-    if (!button->HasVMT()) return;
+    if (!button->m_hasVMT) return;

     if (g_blockEventsOnDrag) return;
 
     if (g_blockEventsOnDrag) return;
 

-    button->NotFocus(); 
+    button->NotFocus();

 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------


@@ -72,10 +84,10 @@ static void gtk_bmpbutton_leave_callback( GtkWidget *WXUNUSED(widget), wxBitmapB
 
 static void gtk_bmpbutton_press_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
 {
 
 static void gtk_bmpbutton_press_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
 {

-    if (!button->HasVMT()) return;
+    if (!button->m_hasVMT) return;

     if (g_blockEventsOnDrag) return;
 
     if (g_blockEventsOnDrag) return;
 

-    button->StartSelect(); 
+    button->StartSelect();

 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------


@@ -84,159 +96,158 @@ static void gtk_bmpbutton_press_callback( GtkWidget *WXUNUSED(widget), wxBitmapB
 
 static void gtk_bmpbutton_release_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
 {
 
 static void gtk_bmpbutton_release_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button )
 {

-    if (!button->HasVMT()) return;
+    if (!button->m_hasVMT) return;

     if (g_blockEventsOnDrag) return;
 
     if (g_blockEventsOnDrag) return;
 

-    button->EndSelect(); 
+    button->EndSelect();

 }
 
 //-----------------------------------------------------------------------------
 // wxBitmapButton
 //-----------------------------------------------------------------------------
 
 }
 
 //-----------------------------------------------------------------------------
 // wxBitmapButton
 //-----------------------------------------------------------------------------
 

-IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton,wxControl)
+IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton,wxButton)

 
 wxBitmapButton::wxBitmapButton()
 {
 }
 
 bool wxBitmapButton::Create( wxWindow *parent, wxWindowID id, const wxBitmap &bitmap,
 
 wxBitmapButton::wxBitmapButton()
 {
 }
 
 bool wxBitmapButton::Create( wxWindow *parent, wxWindowID id, const wxBitmap &bitmap,

-                             const wxPoint &pos, const wxSize &size, 
+                             const wxPoint &pos, const wxSize &size,

                              long style, const wxValidator& validator, const wxString &name )
 {
     m_needParent = TRUE;
     m_acceptsFocus = TRUE;
                              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_marginX =
+    m_marginY = 0;
+
+    if (!PreCreation( parent, pos, size ) ||
+        !CreateBase( parent, id, pos, size, style, validator, name ))
+    {
+        wxFAIL_MSG( wxT("wxBitmapButton creation failed") );
+        return FALSE;
+    }

 
     m_bitmap   = bitmap;
     m_disabled = bitmap;
     m_focus    = bitmap;
     m_selected = bitmap;
 
     m_bitmap   = bitmap;
     m_disabled = bitmap;
     m_focus    = bitmap;
     m_selected = bitmap;

-  
-    m_label = "";
-  
+

     m_widget = gtk_button_new();
     m_widget = gtk_button_new();

-  
+
+#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 (m_bitmap.Ok())
     {

-        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 );
+        wxSize newSize = size;
+        int border = (style & wxNO_BORDER) ? 4 : 10;
+        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 );
+        SetBitmap();

     }
     }

-  
-    if (newSize.x == -1) newSize.x = m_bitmap.GetHeight()+10;
-    if (newSize.y == -1) newSize.y = m_bitmap.GetWidth()+10;
-    SetSize( newSize.x, newSize.y );
-  
-    gtk_signal_connect( GTK_OBJECT(m_widget), "clicked", 
+
+    gtk_signal_connect( GTK_OBJECT(m_widget), "clicked",

       GTK_SIGNAL_FUNC(gtk_bmpbutton_clicked_callback), (gpointer*)this );
 
       GTK_SIGNAL_FUNC(gtk_bmpbutton_clicked_callback), (gpointer*)this );
 

-    gtk_signal_connect( GTK_OBJECT(m_widget), "enter", 
+    gtk_signal_connect( GTK_OBJECT(m_widget), "enter",

       GTK_SIGNAL_FUNC(gtk_bmpbutton_enter_callback), (gpointer*)this );
       GTK_SIGNAL_FUNC(gtk_bmpbutton_enter_callback), (gpointer*)this );

-    gtk_signal_connect( GTK_OBJECT(m_widget), "leave", 
+    gtk_signal_connect( GTK_OBJECT(m_widget), "leave",

       GTK_SIGNAL_FUNC(gtk_bmpbutton_leave_callback), (gpointer*)this );
       GTK_SIGNAL_FUNC(gtk_bmpbutton_leave_callback), (gpointer*)this );

-    gtk_signal_connect( GTK_OBJECT(m_widget), "pressed", 
+    gtk_signal_connect( GTK_OBJECT(m_widget), "pressed",

       GTK_SIGNAL_FUNC(gtk_bmpbutton_press_callback), (gpointer*)this );
       GTK_SIGNAL_FUNC(gtk_bmpbutton_press_callback), (gpointer*)this );

-    gtk_signal_connect( GTK_OBJECT(m_widget), "released", 
+    gtk_signal_connect( GTK_OBJECT(m_widget), "released",

       GTK_SIGNAL_FUNC(gtk_bmpbutton_release_callback), (gpointer*)this );
       GTK_SIGNAL_FUNC(gtk_bmpbutton_release_callback), (gpointer*)this );

- 
-    m_parent->AddChild( this );

 
 

-    (m_parent->m_insertCallback)( m_parent, this );
-  
+    m_parent->DoAddChild( this );
+

     PostCreation();
     PostCreation();

-  
+

     SetBackgroundColour( parent->GetBackgroundColour() );
 
     Show( TRUE );
     SetBackgroundColour( parent->GetBackgroundColour() );
 
     Show( TRUE );

-    
+

     return TRUE;
 }
     return TRUE;
 }

-      
+

 void wxBitmapButton::SetDefault()
 {
 void wxBitmapButton::SetDefault()
 {

-/*

     GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT );
     gtk_widget_grab_default( m_widget );
     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 )
 {
 }
 
 void wxBitmapButton::SetLabel( const wxString &label )
 {

-    wxCHECK_RET( m_widget != NULL, "invalid button" );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid button") );

 
     wxControl::SetLabel( label );
 }
 
 wxString wxBitmapButton::GetLabel() const
 {
 
     wxControl::SetLabel( label );
 }
 
 wxString wxBitmapButton::GetLabel() const
 {

-    wxCHECK_MSG( m_widget != NULL, "", "invalid button" );
+    wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid button") );

 
     return wxControl::GetLabel();
 }
 
 void wxBitmapButton::ApplyWidgetStyle()
 {
 
     return wxControl::GetLabel();
 }
 
 void wxBitmapButton::ApplyWidgetStyle()
 {

+    if (GTK_BUTTON(m_widget)->child == NULL) return;
+    
+    wxButton::ApplyWidgetStyle();

 }
 
 void wxBitmapButton::SetBitmap()
 {
 }
 
 void wxBitmapButton::SetBitmap()
 {

-    wxCHECK_RET( m_widget != NULL, "invalid button" );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid button") );

 
     wxBitmap the_one;
 
     wxBitmap the_one;

-  
-    if ( ! m_isEnabled ) 
+    if (!m_isEnabled)

         the_one = m_disabled;
         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;
-        }
-    }
+    else if (m_isSelected)
+        the_one = m_selected;
+    else if (m_hasFocus)
+        the_one = m_focus;
+    else
+        the_one = m_bitmap;
+
+    if (!the_one.Ok()) the_one = m_bitmap;
+    if (!the_one.Ok()) return;

 
 

-    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();
     GdkBitmap *mask = (GdkBitmap *) NULL;
     if (the_one.GetMask()) mask = the_one.GetMask()->GetBitmap();

-  
-    gtk_pixmap_set( g_pixmap, the_one.GetPixmap(), mask );
+
+    GtkButton *bin = GTK_BUTTON(m_widget);
+    if (bin->child == NULL)
+    {          // initial bitmap
+        GtkWidget *pixmap = gtk_pixmap_new(the_one.GetPixmap(), mask);
+        gtk_widget_show(pixmap);
+        gtk_container_add(GTK_CONTAINER(m_widget), pixmap);
+    } 
+    else 
+    {   // subsequent bitmaps
+        GtkPixmap *g_pixmap = GTK_PIXMAP(bin->child);
+        gtk_pixmap_set(g_pixmap, the_one.GetPixmap(), mask);
+    }

 }
 
 }
 

-void wxBitmapButton::SetBitmapDisabled( const wxBitmap& bitmap ) 
+void wxBitmapButton::SetBitmapDisabled( const wxBitmap& bitmap )

 {
 {

-  wxCHECK_RET( m_widget != NULL, "invalid button" );
-
-  if ( ! m_disabled.Ok() ) return;
-  m_disabled = bitmap;
+    if (!bitmap.Ok()) return;
+    m_disabled = bitmap;

 
 

-  SetBitmap();
+    SetBitmap();

 }
 
 }
 

-void wxBitmapButton::SetBitmapFocus( const wxBitmap& bitmap ) 
+void wxBitmapButton::SetBitmapFocus( const wxBitmap& bitmap )

 {
 {

-    wxCHECK_RET( m_widget != NULL, "invalid button" );
-
-    if ( ! m_focus.Ok() ) return;
+    if (!bitmap.Ok()) return;

     m_focus = bitmap;
 
     SetBitmap();
     m_focus = bitmap;
 
     SetBitmap();


@@ -244,29 +255,28 @@ void wxBitmapButton::SetBitmapFocus( const wxBitmap& bitmap )
 
 void wxBitmapButton::SetBitmapLabel( const wxBitmap& bitmap )
 {
 
 void wxBitmapButton::SetBitmapLabel( const wxBitmap& bitmap )
 {

-    wxCHECK_RET( m_widget != NULL, "invalid button" );
-
-    if (!m_bitmap.Ok()) return;
+    if (!bitmap.Ok()) return;

     m_bitmap = bitmap;
     m_bitmap = bitmap;

-  
+

     SetBitmap();
 }
 
 void wxBitmapButton::SetBitmapSelected( const wxBitmap& bitmap )
 {
     SetBitmap();
 }
 
 void wxBitmapButton::SetBitmapSelected( const wxBitmap& bitmap )
 {

-    wxCHECK_RET( m_widget != NULL, "invalid button" );
-
-    if ( ! m_selected.Ok() ) return;
+    if (!bitmap.Ok()) return;

     m_selected = bitmap;
 
     SetBitmap();
 }
 
     m_selected = bitmap;
 
     SetBitmap();
 }
 

-void wxBitmapButton::Enable( const bool enable )
+bool wxBitmapButton::Enable( bool enable )

 {
 {

-    wxWindow::Enable(enable);
+    if ( !wxWindow::Enable(enable) )
+        return FALSE;

 
 

-    SetBitmap();  
+    SetBitmap();
+
+    return TRUE;

 }
 
 void wxBitmapButton::HasFocus()
 }
 
 void wxBitmapButton::HasFocus()


@@ -292,3 +302,6 @@ void wxBitmapButton::EndSelect()
     m_isSelected = FALSE;
     SetBitmap();
 }
     m_isSelected = FALSE;
     SetBitmap();
 }

+
+#endif // wxUSE_BMPBUTTON
+