// 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__
-#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"
+#include "wx/gtk/win_gtk.h"
//-----------------------------------------------------------------------------
// classes
class wxButton;
+//-----------------------------------------------------------------------------
+// idle system
+//-----------------------------------------------------------------------------
+
+extern void wxapp_install_idle_handler();
+extern bool g_isIdle;
+
//-----------------------------------------------------------------------------
// data
//-----------------------------------------------------------------------------
extern bool g_blockEventsOnDrag;
//-----------------------------------------------------------------------------
-// wxButton
+// "clicked"
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxButton,wxControl)
-
+extern "C" {
static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxButton *button )
{
- if (!button->HasVMT()) return;
- if (g_blockEventsOnDrag) return;
-
- wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId());
- event.SetEventObject(button);
- button->GetEventHandler()->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
+//-----------------------------------------------------------------------------
+
+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))
+ {
+ GtkBorder *default_border = NULL;
+ gtk_widget_style_get( m_widget, "default_border", &default_border, NULL );
+ if (default_border)
+ {
+ left_border += default_border->left;
+ right_border += default_border->right;
+ top_border += default_border->top;
+ bottom_border += default_border->bottom;
+ g_free( default_border );
+ }
+ 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 );
+ }
+
+ return FALSE;
}
//-----------------------------------------------------------------------------
+// wxButton
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxButton,wxControl)
-wxButton::wxButton(void)
+wxButton::wxButton()
+{
+}
+
+wxButton::~wxButton()
{
}
const wxPoint &pos, const wxSize &size,
long style, const wxValidator& validator, const wxString &name )
{
- m_needParent = 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;
+ }
+
+ m_widget = gtk_button_new_with_mnemonic("");
+
+ 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;
+
+#ifdef __WXGTK24__
+ if (!gtk_check_version(2,4,0))
+ {
+ gtk_button_set_alignment(GTK_BUTTON(m_widget), x_alignment, y_alignment);
+ }
+ else
+#endif
+ {
+ if (GTK_IS_MISC(GTK_BIN(m_widget)->child))
+ gtk_misc_set_alignment(GTK_MISC(GTK_BIN(m_widget)->child),
+ x_alignment, y_alignment);
+ }
+
+ SetLabel(label);
+
+ if (style & wxNO_BORDER)
+ gtk_button_set_relief( GTK_BUTTON(m_widget), GTK_RELIEF_NONE );
+
+ g_signal_connect_after (m_widget, "clicked",
+ G_CALLBACK (gtk_button_clicked_callback),
+ this);
+
+ g_signal_connect_after (m_widget, "style_set",
+ G_CALLBACK (gtk_button_style_set_callback),
+ 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);
+
+ 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 );
+}
+
+/* static */
+wxSize wxButtonBase::GetDefaultSize()
+{
+ 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;
+}
+
+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);
- wxSize newSize = size;
+ const wxString labelGTK = GTKConvertMnemonics(label);
- PreCreation( parent, id, pos, newSize, style, name );
-
- SetValidator( validator );
+ 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;
+ }
+ }
- m_widget = gtk_button_new_with_label( m_label );
- SetLabel(label);
+ gtk_button_set_label(GTK_BUTTON(m_widget), wxGTK_CONV(labelGTK));
+ gtk_button_set_use_stock(GTK_BUTTON(m_widget), FALSE);
- 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 );
+ ApplyWidgetStyle( false );
+}
- gtk_signal_connect( GTK_OBJECT(m_widget), "clicked",
- GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this );
+bool wxButton::Enable( bool enable )
+{
+ if ( !wxControl::Enable( enable ) )
+ return FALSE;
- PostCreation();
+ gtk_widget_set_sensitive(GTK_BIN(m_widget)->child, enable);
- Show( TRUE );
+ return TRUE;
+}
- return TRUE;
+bool wxButton::IsOwnGtkWindow( GdkWindow *window )
+{
+ return GTK_BUTTON(m_widget)->event_window;
}
-void wxButton::SetDefault(void)
+void wxButton::DoApplyWidgetStyle(GtkRcStyle *style)
{
-/*
- GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT );
- gtk_widget_grab_default( m_widget );
-*/
+ gtk_widget_modify_style(m_widget, style);
+ gtk_widget_modify_style(GTK_BIN(m_widget)->child, style);
}
-void wxButton::SetLabel( const wxString &label )
+wxSize wxButton::DoGetBestSize() const
{
- wxControl::SetLabel( label );
- GtkButton *bin = GTK_BUTTON( m_widget );
- GtkLabel *g_label = GTK_LABEL( bin->child );
- gtk_label_set( g_label, GetLabel() );
+ // 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 );
+ }
+
+ 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;
}
-void wxButton::Enable( bool enable )
+// static
+wxVisualAttributes
+wxButton::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
{
- wxControl::Enable( enable );
- GtkButton *bin = GTK_BUTTON( m_widget );
- GtkWidget *label = bin->child;
- gtk_widget_set_sensitive( label, enable );
+ return GetDefaultAttributesFromGTKWidget(gtk_button_new);
}
+#endif // wxUSE_BUTTON
+
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