/////////////////////////////////////////////////////////////////////////////
-// Name: button.cpp
+// Name: src/gtk/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"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if wxUSE_BUTTON
+
+#ifndef WX_PRECOMP
+ #include "wx/button.h"
#endif
-#include "wx/button.h"
+#include "wx/stockitem.h"
-//-----------------------------------------------------------------------------
-// classes
-//-----------------------------------------------------------------------------
+#include <gtk/gtk.h>
+#include "wx/gtk/private.h"
+#include "wx/gtk/private/gtk2-compat.h"
+#include "wx/gtk/private/list.h"
+
+// ----------------------------------------------------------------------------
+// GTK callbacks
+// ----------------------------------------------------------------------------
+
+extern "C"
+{
+
+static void
+wxgtk_button_clicked_callback(GtkWidget *WXUNUSED(widget), wxButton *button)
+{
+ if ( button->GTKShouldIgnoreEvent() )
+ return;
-class wxButton;
+ wxCommandEvent event(wxEVT_BUTTON, button->GetId());
+ event.SetEventObject(button);
+ button->HandleWindowEvent(event);
+}
//-----------------------------------------------------------------------------
-// data
+// "style_set" from m_widget
//-----------------------------------------------------------------------------
-extern bool g_blockEventsOnDrag;
+static void
+wxgtk_button_style_set_callback(GtkWidget* widget, GtkStyle*, wxButton* win)
+{
+ /* the default button has a border around it */
+ wxWindow* parent = win->GetParent();
+ if (parent && parent->m_wxwindow && gtk_widget_get_can_default(widget))
+ {
+ GtkBorder* border = NULL;
+ gtk_widget_style_get(widget, "default_border", &border, NULL);
+ if (border)
+ {
+ win->MoveWindow(
+ win->m_x - border->left,
+ win->m_y - border->top,
+ win->m_width + border->left + border->right,
+ win->m_height + border->top + border->bottom);
+ gtk_border_free(border);
+ }
+ }
+}
+
+} // extern "C"
//-----------------------------------------------------------------------------
// wxButton
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxButton,wxControl)
+bool wxButton::Create(wxWindow *parent,
+ wxWindowID id,
+ const wxString &label,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxValidator& validator,
+ const wxString& name)
+{
+ if (!PreCreation( parent, pos, size ) ||
+ !CreateBase( parent, id, pos, size, style, validator, name ))
+ {
+ wxFAIL_MSG( wxT("wxButton creation failed") );
+ return false;
+ }
+
+ // create either a standard button with text label (which may still contain
+ // an image under GTK+ 2.6+) or a bitmap-only button if we don't have any
+ // label
+ const bool
+ useLabel = !(style & wxBU_NOTEXT) && (!label.empty() || wxIsStockID(id));
+ if ( useLabel )
+ {
+ m_widget = gtk_button_new_with_mnemonic("");
+ }
+ else // no label, suppose we will have a bitmap
+ {
+ m_widget = gtk_button_new();
+
+ GtkWidget *image = gtk_image_new();
+ gtk_widget_show(image);
+ gtk_container_add(GTK_CONTAINER(m_widget), image);
+ }
+
+ g_object_ref(m_widget);
+
+ 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;
+
+ gtk_button_set_alignment(GTK_BUTTON(m_widget), x_alignment, y_alignment);
+
+ if ( useLabel )
+ 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 (wxgtk_button_clicked_callback),
+ this);
+
+ g_signal_connect_after (m_widget, "style_set",
+ G_CALLBACK (wxgtk_button_style_set_callback),
+ this);
+
+ m_parent->DoAddChild( this );
+
+ PostCreation(size);
-static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxButton *button )
+ return true;
+}
+
+
+wxWindow *wxButton::SetDefault()
{
- if (!button->HasVMT()) return;
- if (g_blockEventsOnDrag) return;
-
- wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId());
- event.SetEventObject(button);
- button->GetEventHandler()->ProcessEvent(event);
-};
+ wxWindow *oldDefault = wxButtonBase::SetDefault();
-//-----------------------------------------------------------------------------
+ gtk_widget_set_can_default(m_widget, TRUE);
+ gtk_widget_grab_default( m_widget );
-wxButton::wxButton(void)
+ // resize for default border
+ wxgtk_button_style_set_callback( m_widget, NULL, this );
+
+ return oldDefault;
+}
+
+/* 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_button_box_new(GTK_ORIENTATION_HORIZONTAL);
+ 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_get_preferred_size(btn, NULL, &req);
-wxButton::wxButton( wxWindow *parent, wxWindowID id, const wxString &label,
- const wxPoint &pos, const wxSize &size,
- long style, const wxString &name )
+ 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 )
{
- Create( parent, id, label, pos, size, style, name );
-};
+ wxCHECK_RET( m_widget != NULL, wxT("invalid button") );
+
+ wxString label(lbl);
+
+ if (label.empty() && wxIsStockID(m_windowId))
+ label = wxGetStockLabel(m_windowId);
+
+ wxAnyButton::SetLabel(label);
-bool wxButton::Create( wxWindow *parent, wxWindowID id, const wxString &label,
- const wxPoint &pos, const wxSize &size,
- long style, const wxString &name )
+ // don't use label if it was explicitly disabled
+ if ( HasFlag(wxBU_NOTEXT) )
+ return;
+
+ 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;
+ }
+ }
+
+ // this call is necessary if the button had been initially created without
+ // a (text) label -- then we didn't use gtk_button_new_with_mnemonic() and
+ // so "use-underline" GtkButton property remained unset
+ gtk_button_set_use_underline(GTK_BUTTON(m_widget), TRUE);
+ const wxString labelGTK = GTKConvertMnemonics(label);
+ gtk_button_set_label(GTK_BUTTON(m_widget), wxGTK_CONV(labelGTK));
+ gtk_button_set_use_stock(GTK_BUTTON(m_widget), FALSE);
+
+ GTKApplyWidgetStyle( false );
+}
+
+#if wxUSE_MARKUP
+bool wxButton::DoSetLabelMarkup(const wxString& markup)
{
- m_needParent = TRUE;
+ wxCHECK_MSG( m_widget != NULL, false, "invalid button" );
- wxSize newSize = size;
+ const wxString stripped = RemoveMarkup(markup);
+ if ( stripped.empty() && !markup.empty() )
+ return false;
- PreCreation( parent, id, pos, newSize, style, name );
+ wxControl::SetLabel(stripped);
- SetLabel(label);
- m_widget = gtk_button_new_with_label( m_label );
+ GtkLabel * const label = GTKGetLabel();
+ wxCHECK_MSG( label, false, "no label in this button?" );
- 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 );
+ GTKSetLabelWithMarkupForLabel(label, markup);
- gtk_signal_connect( GTK_OBJECT(m_widget), "clicked",
- GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this );
+ return true;
+}
- PostCreation();
+GtkLabel *wxButton::GTKGetLabel() const
+{
+ GtkWidget* child = gtk_bin_get_child(GTK_BIN(m_widget));
+ if ( GTK_IS_ALIGNMENT(child) )
+ {
+ GtkWidget* box = gtk_bin_get_child(GTK_BIN(child));
+ GtkLabel* label = NULL;
+ wxGtkList list(gtk_container_get_children(GTK_CONTAINER(box)));
+ for (GList* item = list; item; item = item->next)
+ {
+ if (GTK_IS_LABEL(item->data))
+ label = GTK_LABEL(item->data);
+ }
- Show( TRUE );
+ return label;
+ }
- return TRUE;
-};
+ return GTK_LABEL(child);
+}
+#endif // wxUSE_MARKUP
-void wxButton::SetDefault(void)
+void wxButton::DoApplyWidgetStyle(GtkRcStyle *style)
{
-};
+ GTKApplyStyle(m_widget, style);
+ GtkWidget* child = gtk_bin_get_child(GTK_BIN(m_widget));
+ GTKApplyStyle(child, style);
+
+ // for buttons with images, the path to the label is (at least in 2.12)
+ // GtkButton -> GtkAlignment -> GtkHBox -> GtkLabel
+ if ( GTK_IS_ALIGNMENT(child) )
+ {
+ GtkWidget* box = gtk_bin_get_child(GTK_BIN(child));
+ if ( GTK_IS_BOX(box) )
+ {
+ wxGtkList list(gtk_container_get_children(GTK_CONTAINER(box)));
+ for (GList* item = list; item; item = item->next)
+ {
+ GTKApplyStyle(GTK_WIDGET(item->data), 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 (otherwise 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) != 0;
+ if ( isDefault )
+ {
+ // temporarily unset default flag
+ gtk_widget_set_can_default(m_widget, FALSE);
+ }
-wxString wxButton::GetLabel(void) const
+ wxSize ret( wxAnyButton::DoGetBestSize() );
+
+ if ( isDefault )
+ {
+ // set it back again
+ gtk_widget_set_can_default(m_widget, TRUE);
+ }
+
+ 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
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