// Name: button.cpp
// 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__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "button.h"
#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#include "wx/defs.h"
+
+#if wxUSE_BUTTON
+
#include "wx/button.h"
+#include "wx/stockitem.h"
+
+#include "wx/gtk/private.h"
//-----------------------------------------------------------------------------
// classes
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"
+//-----------------------------------------------------------------------------
+
+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);
+}
//-----------------------------------------------------------------------------
+// wxButton
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxButton,wxControl)
-wxButton::wxButton(void)
+wxButton::wxButton()
{
-};
+}
-wxButton::wxButton( wxWindow *parent, wxWindowID id, const wxString &label,
- const wxPoint &pos, const wxSize &size,
- const long style, const wxString &name )
+wxButton::~wxButton()
{
- Create( parent, id, label, pos, size, style, name );
-};
+}
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;
-
- 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 );
+ 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;
+ }
+
+/*
+ wxString label2( label );
+ for (size_t i = 0; i < label2.Len(); i++)
+ {
+ if (label2.GetChar(i) == wxT('&'))
+ label2.SetChar(i,wxT('_'));
+ }
+
+ GtkWidget *accel_label = gtk_accel_label_new( label2.mb_str() );
+ gtk_widget_show( accel_label );
+
+ m_widget = gtk_button_new();
+ gtk_container_add( GTK_CONTAINER(m_widget), accel_label );
+
+ gtk_accel_label_set_accel_widget( GTK_ACCEL_LABEL(accel_label), m_widget );
+
+ guint accel_key = gtk_label_parse_uline (GTK_LABEL(accel_label), label2.mb_str() );
+ gtk_accel_label_refetch( GTK_ACCEL_LABEL(accel_label) );
+
+ wxControl::SetLabel( label );
+*/
+
+#ifdef __WXGTK20__
+ m_widget = gtk_button_new_with_mnemonic("");
+#else
+ m_widget = gtk_button_new_with_label("");
+#endif
+
+ 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_CHECK_VERSION(2,4,0)
+ gtk_button_set_alignment(GTK_BUTTON(m_widget), x_alignment, y_alignment);
+#else
+ if (GTK_IS_MISC(BUTTON_CHILD(m_widget)))
+ gtk_misc_set_alignment (GTK_MISC (BUTTON_CHILD (m_widget)),
+ x_alignment, y_alignment);
+#endif
+
+ SetLabel(label);
+
+ if (style & wxNO_BORDER)
+ gtk_button_set_relief( GTK_BUTTON(m_widget), GTK_RELIEF_NONE );
+
+ gtk_signal_connect( GTK_OBJECT(m_widget), "clicked",
+ GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this );
+
+ m_parent->DoAddChild( this );
+
+ PostCreation(size);
+
+ return true;
+}
+
+
+void wxButton::SetDefault()
+{
+ wxWindow *parent = GetParent();
+ wxCHECK_RET( parent, _T("button without parent?") );
+
+ parent->SetDefaultItem(this);
- return TRUE;
-};
-
-void wxButton::SetDefault(void)
+ GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT );
+ gtk_widget_grab_default( m_widget );
+
+ SetSize( m_x, m_y, m_width, m_height );
+}
+
+/* static */
+wxSize wxButtonBase::GetDefaultSize()
+{
+#ifdef __WXGTK20__
+ static wxSize size = wxDefaultSize;
+ if (size == wxDefaultSize)
+ {
+ // NB: Default size of buttons should be same as size of stock
+ // buttons as used in most GTK+ apps. Unfortunately it's a little
+ // tricky to obtain this size: stock button's size may be smaller
+ // than size of button in GtkButtonBox and vice versa,
+ // GtkButtonBox's minimal button size may be smaller than stock
+ // button's size. We have to retrieve both values and combine them.
+
+ GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+ GtkWidget *box = gtk_hbutton_box_new();
+ GtkWidget *btn = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
+ gtk_container_add(GTK_CONTAINER(box), btn);
+ gtk_container_add(GTK_CONTAINER(wnd), box);
+ GtkRequisition req;
+ gtk_widget_size_request(btn, &req);
+
+ gint minwidth, minheight;
+ gtk_widget_style_get(box,
+ "child-min-width", &minwidth,
+ "child-min-height", &minheight,
+ NULL);
+
+ size.x = wxMax(minwidth, req.width);
+ size.y = wxMax(minheight, req.height);
+
+ gtk_widget_destroy(wnd);
+ }
+ return size;
+#else
+ return wxSize(80,26);
+#endif
+}
+
+void wxButton::SetLabel( const wxString &lbl )
+{
+ wxCHECK_RET( m_widget != NULL, wxT("invalid button") );
+
+ wxString label(lbl);
+
+ if (label.empty() && wxIsStockID(m_windowId))
+ label = wxGetStockLabel(m_windowId);
+
+ wxControl::SetLabel(label);
+
+#ifdef __WXGTK20__
+ if (wxIsStockID(m_windowId) && wxIsStockLabel(m_windowId, label))
+ {
+ const char *stock = wxGetStockGtkID(m_windowId);
+ if (stock)
+ {
+ gtk_button_set_label(GTK_BUTTON(m_widget), stock);
+ gtk_button_set_use_stock(GTK_BUTTON(m_widget), TRUE);
+ return;
+ }
+ }
+
+ wxString label2 = PrepareLabelMnemonics(label);
+ gtk_button_set_label(GTK_BUTTON(m_widget), wxGTK_CONV(label2));
+ gtk_button_set_use_stock(GTK_BUTTON(m_widget), FALSE);
+#else
+ gtk_label_set(GTK_LABEL(BUTTON_CHILD(m_widget)), wxGTK_CONV(GetLabel()));
+#endif
+}
+
+bool wxButton::Enable( bool enable )
+{
+ if ( !wxControl::Enable( enable ) )
+ return FALSE;
+
+ gtk_widget_set_sensitive( BUTTON_CHILD(m_widget), enable );
+
+ return TRUE;
+}
+
+bool wxButton::IsOwnGtkWindow( GdkWindow *window )
+{
+#ifdef __WXGTK20__
+ return GTK_BUTTON(m_widget)->event_window;
+#else
+ return (window == m_widget->window);
+#endif
+}
+
+void wxButton::DoApplyWidgetStyle(GtkRcStyle *style)
{
-};
+ gtk_widget_modify_style(m_widget, style);
+ gtk_widget_modify_style(BUTTON_CHILD(m_widget), style);
+}
-void wxButton::SetLabel( const wxString &label )
+wxSize wxButton::DoGetBestSize() const
{
- wxControl::SetLabel( label );
-};
+ // 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 );
+ }
-wxString wxButton::GetLabel(void) const
+#ifndef __WXGTK20__
+ ret.x += 10; // add a few pixels for sloppy (but common) themes
+#endif
+
+ 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 wxControl::GetLabel();
-};
+ return GetDefaultAttributesFromGTKWidget(gtk_button_new);
+}
+
+#endif // wxUSE_BUTTON
+
projects / wxWidgets.git / blobdiff