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

diff --git a/src/gtk1/button.cpp b/src/gtk1/button.cpp
index d4361f37b8d42946eafdf6bdc2927b12ad3717ac..6d71384052e2ba9125e6569788c95ec7ce375673 100644 (file)
--- a/src/gtk1/button.cpp
+++ b/src/gtk1/button.cpp
@@ -1,18 +1,25 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        button.cpp
+// Name:        src/gtk1/button.cpp

 // Purpose:
 // Author:      Robert Roebling
 // Purpose:
 // Author:      Robert Roebling

-// Created:     01/02/97
-// Id:
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence:    wxWindows licence
+// Id:          $Id$
+// Copyright:   (c) 1998 Robert Roebling
+// Licence:     wxWindows licence

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

-#ifdef __GNUG__
-#pragma implementation "button.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if wxUSE_BUTTON
+
+#ifndef WX_PRECOMP
+    #include "wx/button.h"

 #endif
 
 #endif
 

-#include "wx/button.h"
+#include "wx/stockitem.h"
+
+#include "wx/gtk1/private.h"
+#include "wx/gtk1/win_gtk.h"

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


@@ -21,69 +28,228 @@
 class wxButton;
 
 //-----------------------------------------------------------------------------
 class wxButton;
 
 //-----------------------------------------------------------------------------

-// wxButton
+// idle system

 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 

-IMPLEMENT_DYNAMIC_CLASS(wxButton,wxControl)
+extern void wxapp_install_idle_handler();
+extern bool g_isIdle;
+
+//-----------------------------------------------------------------------------
+// data
+//-----------------------------------------------------------------------------
+
+extern bool   g_blockEventsOnDrag;

 
 

-void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), gpointer data )
+//-----------------------------------------------------------------------------
+// "clicked"
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxButton *button )

 {
 {

-  wxButton *button = (wxButton*)data;
-  wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId());
-  event.SetEventObject(button);
-  button->ProcessEvent(event);
-};
+    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);
+}
+}
+
+//-----------------------------------------------------------------------------
+// "style_set" from m_widget

 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 

-wxButton::wxButton(void)
+static gint
+gtk_button_style_set_callback( GtkWidget *m_widget, GtkStyle *WXUNUSED(style), wxButton *win )

 {
 {

-};
+    if (g_isIdle)
+        wxapp_install_idle_handler();
+
+    int left_border = 0;
+    int right_border = 0;
+    int top_border = 0;
+    int bottom_border = 0;
+
+    /* the default button has a border around it */
+    if (GTK_WIDGET_CAN_DEFAULT(m_widget))
+    {
+        left_border = 6;
+        right_border = 6;
+        top_border = 6;
+        bottom_border = 5;
+        win->DoMoveWindow( win->m_x-top_border,
+                           win->m_y-left_border,
+                           win->m_width+left_border+right_border,
+                           win->m_height+top_border+bottom_border );
+    }

 
 

-wxButton::wxButton( wxWindow *parent, wxWindowID id, const wxString &label,
-      const wxPoint &pos, const wxSize &size, 
-      const long style, const wxString &name )
+    return FALSE;
+}
+
+//-----------------------------------------------------------------------------
+// wxButton
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxButton,wxControl)
+
+wxButton::wxButton()
+{
+}
+
+wxButton::~wxButton()

 {
 {

-  Create( parent, id, label, pos, size, style, name );
-};
+}

 
 bool wxButton::Create(  wxWindow *parent, wxWindowID id, const wxString &label,
 
 bool wxButton::Create(  wxWindow *parent, wxWindowID id, const wxString &label,

-      const wxPoint &pos, const wxSize &size, 
-      const long style, const wxString &name )
+      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 ))
+    {
+        wxFAIL_MSG( wxT("wxButton creation failed") );
+        return false;
+    }
+
+    m_widget = gtk_button_new_with_label("");
+
+    float x_alignment = 0.5;
+    if (HasFlag(wxBU_LEFT))
+        x_alignment = 0.0;
+    else if (HasFlag(wxBU_RIGHT))
+        x_alignment = 1.0;
+
+    float y_alignment = 0.5;
+    if (HasFlag(wxBU_TOP))
+        y_alignment = 0.0;
+    else if (HasFlag(wxBU_BOTTOM))
+        y_alignment = 1.0;
+
+    if (GTK_IS_MISC(BUTTON_CHILD(m_widget)))
+        gtk_misc_set_alignment (GTK_MISC (BUTTON_CHILD (m_widget)),
+                                x_alignment, y_alignment);
+
+    SetLabel(label);
+
+    if (style & wxNO_BORDER)
+       gtk_button_set_relief( GTK_BUTTON(m_widget), GTK_RELIEF_NONE );
+
+    gtk_signal_connect_after( GTK_OBJECT(m_widget), "clicked",
+      GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this );
+
+    gtk_signal_connect_after( GTK_OBJECT(m_widget), "style_set",
+      GTK_SIGNAL_FUNC(gtk_button_style_set_callback), (gpointer*) this );
+
+    m_parent->DoAddChild( this );
+
+    PostCreation(size);
+
+    return true;
+}
+
+
+wxWindow *wxButton::SetDefault()

 {
 {

-  m_needParent = TRUE;
-  
-  wxSize newSize = size;
-
-  PreCreation( parent, id, pos, newSize, style, name );
-  
-  m_label = label;
-  m_widget = gtk_button_new_with_label( label );
-  
-  if (newSize.x == -1) newSize.x = 15+gdk_string_measure( m_widget->style->font, label );
-  if (newSize.y == -1) newSize.y = 26;
-  SetSize( newSize.x, newSize.y );
-  
-  gtk_signal_connect( GTK_OBJECT(m_widget), "clicked", 
-    GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this );
-
-  PostCreation();
-  
-  Show( TRUE );
-    
-  return TRUE;
-};
-      
-void wxButton::SetDefault(void)
+    wxWindow *oldDefault = wxButtonBase::SetDefault();
+
+    GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT );
+    gtk_widget_grab_default( m_widget );
+
+    // resize for default border
+    gtk_button_style_set_callback( m_widget, NULL, this );
+
+    return oldDefault;
+}
+
+/* static */
+wxSize wxButtonBase::GetDefaultSize()

 {
 {

-};
+    return wxSize(80,26);
+}

 
 

-void wxButton::SetLabel( const wxString &label )
+void wxButton::SetLabel( const wxString &lbl )

 {
 {

-  wxControl::SetLabel( label );
-};
+    wxCHECK_RET( m_widget != NULL, wxT("invalid button") );
+
+    wxString label(lbl);
+
+    if (label.empty() && wxIsStockID(m_windowId))
+        label = wxGetStockLabel(m_windowId);
+
+    wxControl::SetLabel(label);
+
+    const wxString labelGTK = GTKRemoveMnemonics(label);
+
+    gtk_label_set(GTK_LABEL(BUTTON_CHILD(m_widget)), wxGTK_CONV(labelGTK));
+}

 
 

-wxString wxButton::GetLabel(void) const
+bool wxButton::Enable( bool enable )

 {
 {

-  return wxControl::GetLabel();
-};
+    if ( !wxControl::Enable( enable ) )
+        return false;
+
+    gtk_widget_set_sensitive( BUTTON_CHILD(m_widget), enable );
+
+    return true;
+}
+
+bool wxButton::IsOwnGtkWindow( GdkWindow *window )
+{
+    return (window == m_widget->window);
+}
+
+void wxButton::DoApplyWidgetStyle(GtkRcStyle *style)
+{
+    gtk_widget_modify_style(m_widget, style);
+    gtk_widget_modify_style(BUTTON_CHILD(m_widget), style);
+}
+
+wxSize wxButton::DoGetBestSize() const
+{
+    // the default button in wxGTK is bigger than the other ones because of an
+    // extra border around it, but we don't want to take it into account in
+    // our size calculations (otherwsie the result is visually ugly), so
+    // always return the size of non default button from here
+    const bool isDefault = GTK_WIDGET_HAS_DEFAULT(m_widget);
+    if ( isDefault )
+    {
+        // temporarily unset default flag
+        GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_DEFAULT );
+    }
+
+    wxSize ret( wxControl::DoGetBestSize() );
+
+    if ( isDefault )
+    {
+        // set it back again
+        GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT );
+    }
+
+    ret.x += 10;  // add a few pixels for sloppy (but common) themes
+
+    if (!HasFlag(wxBU_EXACTFIT))
+    {
+        wxSize defaultSize = GetDefaultSize();
+        if (ret.x < defaultSize.x) ret.x = defaultSize.x;
+        if (ret.y < defaultSize.y) ret.y = defaultSize.y;
+    }
+
+    CacheBestSize(ret);
+    return ret;
+}
+
+// static
+wxVisualAttributes
+wxButton::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+    return GetDefaultAttributesFromGTKWidget(gtk_button_new);
+}
+
+#endif // wxUSE_BUTTON