/////////////////////////////////////////////////////////////////////////////
-// Name: button.cpp
+// Name: src/gtk/button.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
-#include "wx/defs.h"
-
#if wxUSE_BUTTON
-#include "wx/button.h"
+#ifndef WX_PRECOMP
+ #include "wx/button.h"
+#endif
+
#include "wx/stockitem.h"
#include "wx/gtk/private.h"
-#include "wx/gtk/win_gtk.h"
-
-//-----------------------------------------------------------------------------
-// classes
-//-----------------------------------------------------------------------------
-class wxButton;
+// ----------------------------------------------------------------------------
+// GTK callbacks
+// ----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-// idle system
-//-----------------------------------------------------------------------------
+extern "C"
+{
-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
+static void
+wxgtk_button_clicked_callback(GtkWidget *WXUNUSED(widget), wxButton *button)
+{
+ if ( button->GTKShouldIgnoreEvent() )
+ return;
-//-----------------------------------------------------------------------------
-// data
-//-----------------------------------------------------------------------------
+ wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId());
+ event.SetEventObject(button);
+ button->HandleWindowEvent(event);
+}
-extern bool g_blockEventsOnDrag;
+static void
+wxgtk_button_enter_callback(GtkWidget *WXUNUSED(widget), wxButton *button)
+{
+ if ( button->GTKShouldIgnoreEvent() )
+ return;
-//-----------------------------------------------------------------------------
-// "clicked"
-//-----------------------------------------------------------------------------
+ button->GTKMouseEnters();
+}
-extern "C" {
-static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxButton *button )
+static void
+wxgtk_button_leave_callback(GtkWidget *WXUNUSED(widget), wxButton *button)
{
- if (g_isIdle)
- wxapp_install_idle_handler();
+ if ( button->GTKShouldIgnoreEvent() )
+ return;
- if (!button->m_hasVMT) return;
- if (g_blockEventsOnDrag) return;
+ button->GTKMouseLeaves();
+}
- wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId());
- event.SetEventObject(button);
- button->GetEventHandler()->ProcessEvent(event);
+static void
+wxgtk_button_press_callback(GtkWidget *WXUNUSED(widget), wxButton *button)
+{
+ if ( button->GTKShouldIgnoreEvent() )
+ return;
+
+ button->GTKPressed();
}
+
+static void
+wxgtk_button_released_callback(GtkWidget *WXUNUSED(widget), wxButton *button)
+{
+ if ( button->GTKShouldIgnoreEvent() )
+ return;
+
+ button->GTKReleased();
}
//-----------------------------------------------------------------------------
// "style_set" from m_widget
//-----------------------------------------------------------------------------
-static gint
-gtk_button_style_set_callback( GtkWidget *m_widget, GtkStyle *WXUNUSED(style), wxButton *win )
+static void
+wxgtk_button_style_set_callback(GtkWidget* widget, GtkStyle*, 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))
+ wxWindow* parent = win->GetParent();
+ if (parent && parent->m_wxwindow && GTK_WIDGET_CAN_DEFAULT(widget))
{
-#ifdef __WXGTK20__
- GtkBorder *default_border = NULL;
- gtk_widget_style_get( m_widget, "default_border", &default_border, NULL );
- if (default_border)
+ GtkBorder* border = NULL;
+ gtk_widget_style_get(widget, "default_border", &border, NULL);
+ if (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->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);
}
-#else
- left_border = 6;
- right_border = 6;
- top_border = 6;
- bottom_border = 5;
-#endif
- 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;
+ }
}
+} // extern "C"
+
//-----------------------------------------------------------------------------
// wxButton
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxButton,wxControl)
-wxButton::wxButton()
-{
-}
-
-wxButton::~wxButton()
-{
-}
-
-bool wxButton::Create( wxWindow *parent, wxWindowID id, const wxString &label,
- const wxPoint &pos, const wxSize &size,
- long style, const wxValidator& validator, const wxString &name )
+bool wxButton::Create(wxWindow *parent,
+ wxWindowID id,
+ const wxString &label,
+ 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;
+ return false;
}
-/*
- wxString label2( label );
- for (size_t i = 0; i < label2.Len(); i++)
+ // 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 )
{
- if (label2.GetChar(i) == wxT('&'))
- label2.SetChar(i,wxT('_'));
+ m_widget = gtk_button_new_with_mnemonic("");
}
+ else // no label, suppose we will have a bitmap
+ {
+ m_widget = gtk_button_new();
- 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 );
-*/
+ GtkWidget *image = gtk_image_new();
+ gtk_widget_show(image);
+ gtk_container_add(GTK_CONTAINER(m_widget), image);
+ }
-#ifdef __WXGTK20__
- m_widget = gtk_button_new_with_mnemonic("");
-#else
- m_widget = gtk_button_new_with_label("");
-#endif
+ g_object_ref(m_widget);
float x_alignment = 0.5;
if (HasFlag(wxBU_LEFT))
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(BUTTON_CHILD(m_widget)))
- gtk_misc_set_alignment (GTK_MISC (BUTTON_CHILD (m_widget)),
- x_alignment, y_alignment);
- }
+ gtk_button_set_alignment(GTK_BUTTON(m_widget), x_alignment, y_alignment);
- SetLabel(label);
+ if ( useLabel )
+ 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 );
+ 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);
- 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;
}
-
-void wxButton::SetDefault()
+
+wxWindow *wxButton::SetDefault()
{
- wxWindow *parent = GetParent();
- wxCHECK_RET( parent, _T("button without parent?") );
+ wxWindow *oldDefault = wxButtonBase::SetDefault();
- 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 );
+ wxgtk_button_style_set_callback( m_widget, NULL, this );
+
+ return oldDefault;
}
/* static */
wxSize wxButtonBase::GetDefaultSize()
{
-#ifdef __WXGTK20__
static wxSize size = wxDefaultSize;
if (size == wxDefaultSize)
{
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 )
wxControl::SetLabel(label);
-#ifdef __WXGTK20__
+ // 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);
}
}
- wxString label2 = PrepareLabelMnemonics(label);
- gtk_button_set_label(GTK_BUTTON(m_widget), wxGTK_CONV(label2));
+ // 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);
-
- ApplyWidgetStyle( false );
-
-#else
- gtk_label_set(GTK_LABEL(BUTTON_CHILD(m_widget)), wxGTK_CONV(GetLabel()));
-#endif
+
+ GTKApplyWidgetStyle( false );
}
bool wxButton::Enable( bool enable )
{
+ bool isEnabled = IsEnabled();
+
if ( !wxControl::Enable( enable ) )
- return FALSE;
+ return false;
+
+ gtk_widget_set_sensitive(GTK_BIN(m_widget)->child, enable);
+
+ if (!isEnabled && enable)
+ {
+ GTKFixSensitivity();
+ }
- gtk_widget_set_sensitive( BUTTON_CHILD(m_widget), enable );
+ GTKUpdateBitmap();
- return TRUE;
+ return true;
}
-bool wxButton::IsOwnGtkWindow( GdkWindow *window )
+GdkWindow *wxButton::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
{
-#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);
+ GtkWidget *child = GTK_BIN(m_widget)->child;
+ gtk_widget_modify_style(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(child)->child;
+ if ( GTK_IS_BOX(box) )
+ {
+ for (GList* item = GTK_BOX(box)->children; item; item = item->next)
+ {
+ GtkBoxChild* boxChild = static_cast<GtkBoxChild*>(item->data);
+ gtk_widget_modify_style(boxChild->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
+ // 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);
if ( isDefault )
GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT );
}
-#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;
+ if (ret.x < defaultSize.x)
+ ret.x = defaultSize.x;
+ if (ret.y < defaultSize.y)
+ ret.y = defaultSize.y;
}
CacheBestSize(ret);
return GetDefaultAttributesFromGTKWidget(gtk_button_new);
}
-#endif // wxUSE_BUTTON
+// ----------------------------------------------------------------------------
+// bitmaps support
+// ----------------------------------------------------------------------------
+void wxButton::GTKMouseEnters()
+{
+ m_isCurrent = true;
+
+ GTKUpdateBitmap();
+}
+
+void wxButton::GTKMouseLeaves()
+{
+ m_isCurrent = false;
+
+ GTKUpdateBitmap();
+}
+
+void wxButton::GTKPressed()
+{
+ m_isPressed = true;
+
+ GTKUpdateBitmap();
+}
+
+void wxButton::GTKReleased()
+{
+ m_isPressed = false;
+
+ GTKUpdateBitmap();
+}
+
+void wxButton::GTKOnFocus(wxFocusEvent& event)
+{
+ event.Skip();
+
+ GTKUpdateBitmap();
+}
+
+wxButton::State wxButton::GTKGetCurrentState() const
+{
+ if ( !IsThisEnabled() )
+ return m_bitmaps[State_Disabled].IsOk() ? State_Disabled : State_Normal;
+
+ if ( m_isPressed && m_bitmaps[State_Pressed].IsOk() )
+ return State_Pressed;
+
+ if ( m_isCurrent && m_bitmaps[State_Current].IsOk() )
+ return State_Current;
+
+ if ( HasFocus() && m_bitmaps[State_Focused].IsOk() )
+ return State_Focused;
+
+ return State_Normal;
+}
+
+void wxButton::GTKUpdateBitmap()
+{
+ // if we don't show bitmaps at all, there is nothing to update
+ if ( m_bitmaps[State_Normal].IsOk() )
+ {
+ // if we do show them, this will return a state for which we do have a
+ // valid bitmap
+ State state = GTKGetCurrentState();
+
+ GTKDoShowBitmap(m_bitmaps[state]);
+ }
+}
+
+void wxButton::GTKDoShowBitmap(const wxBitmap& bitmap)
+{
+ wxASSERT_MSG( bitmap.IsOk(), "invalid bitmap" );
+
+ GtkWidget *image;
+ if ( DontShowLabel() )
+ {
+ image = GTK_BIN(m_widget)->child;
+ }
+ else // have both label and bitmap
+ {
+#ifdef __WXGTK26__
+ if ( !gtk_check_version(2,6,0) )
+ {
+ image = gtk_button_get_image(GTK_BUTTON(m_widget));
+ }
+ else
+#endif // __WXGTK26__
+ {
+ // buttons with both label and bitmap are only supported with GTK+
+ // 2.6 so far
+ //
+ // it shouldn't be difficult to implement them ourselves for the
+ // previous GTK+ versions by stuffing a container with a label and
+ // an image inside GtkButton but there doesn't seem to be much
+ // point in doing this for ancient GTK+ versions
+ return;
+ }
+ }
+
+ wxCHECK_RET( image && GTK_IS_IMAGE(image), "must have image widget" );
+
+ gtk_image_set_from_pixbuf(GTK_IMAGE(image), bitmap.GetPixbuf());
+}
+
+wxBitmap wxButton::DoGetBitmap(State which) const
+{
+ return m_bitmaps[which];
+}
+
+void wxButton::DoSetBitmap(const wxBitmap& bitmap, State which)
+{
+ switch ( which )
+ {
+ case State_Normal:
+ if ( DontShowLabel() )
+ {
+ // we only have the bitmap in this button, never remove it but
+ // do invalidate the best size when the bitmap (and presumably
+ // its size) changes
+ InvalidateBestSize();
+ }
+#ifdef __WXGTK26__
+ // normal image is special: setting it enables images for the button and
+ // resetting it to nothing disables all of them
+ else if ( !gtk_check_version(2,6,0) )
+ {
+ GtkWidget *image = gtk_button_get_image(GTK_BUTTON(m_widget));
+ if ( image && !bitmap.IsOk() )
+ {
+ gtk_container_remove(GTK_CONTAINER(m_widget), image);
+ }
+ else if ( !image && bitmap.IsOk() )
+ {
+ image = gtk_image_new();
+ gtk_button_set_image(GTK_BUTTON(m_widget), image);
+ }
+ else // image presence or absence didn't change
+ {
+ // don't invalidate best size below
+ break;
+ }
+
+ InvalidateBestSize();
+ }
+#endif // GTK+ 2.6+
+ break;
+
+ case State_Pressed:
+ if ( bitmap.IsOk() )
+ {
+ if ( !m_bitmaps[which].IsOk() )
+ {
+ // we need to install the callbacks to be notified about
+ // the button pressed state change
+ g_signal_connect
+ (
+ m_widget,
+ "pressed",
+ G_CALLBACK(wxgtk_button_press_callback),
+ this
+ );
+
+ g_signal_connect
+ (
+ m_widget,
+ "released",
+ G_CALLBACK(wxgtk_button_released_callback),
+ this
+ );
+ }
+ }
+ else // no valid bitmap
+ {
+ if ( m_bitmaps[which].IsOk() )
+ {
+ // we don't need to be notified about the button pressed
+ // state changes any more
+ g_signal_handlers_disconnect_by_func
+ (
+ m_widget,
+ (gpointer)wxgtk_button_press_callback,
+ this
+ );
+
+ g_signal_handlers_disconnect_by_func
+ (
+ m_widget,
+ (gpointer)wxgtk_button_released_callback,
+ this
+ );
+
+ // also make sure we don't remain stuck in pressed state
+ if ( m_isPressed )
+ {
+ m_isPressed = false;
+ GTKUpdateBitmap();
+ }
+ }
+ }
+ break;
+
+ case State_Current:
+ // the logic here is the same as above for State_Pressed: we need
+ // to connect the handlers if we must be notified about the changes
+ // in the button current state and we disconnect them when/if we
+ // don't need them any more
+ if ( bitmap.IsOk() )
+ {
+ if ( !m_bitmaps[which].IsOk() )
+ {
+ g_signal_connect
+ (
+ m_widget,
+ "enter",
+ G_CALLBACK(wxgtk_button_enter_callback),
+ this
+ );
+
+ g_signal_connect
+ (
+ m_widget,
+ "leave",
+ G_CALLBACK(wxgtk_button_leave_callback),
+ this
+ );
+ }
+ }
+ else // no valid bitmap
+ {
+ if ( m_bitmaps[which].IsOk() )
+ {
+ g_signal_handlers_disconnect_by_func
+ (
+ m_widget,
+ (gpointer)wxgtk_button_enter_callback,
+ this
+ );
+
+ g_signal_handlers_disconnect_by_func
+ (
+ m_widget,
+ (gpointer)wxgtk_button_leave_callback,
+ this
+ );
+
+ if ( m_isCurrent )
+ {
+ m_isCurrent = false;
+ GTKUpdateBitmap();
+ }
+ }
+ }
+ break;
+
+ case State_Focused:
+ if ( bitmap.IsOk() )
+ {
+ Connect(wxEVT_SET_FOCUS,
+ wxFocusEventHandler(wxButton::GTKOnFocus));
+ Connect(wxEVT_KILL_FOCUS,
+ wxFocusEventHandler(wxButton::GTKOnFocus));
+ }
+ else // no valid focused bitmap
+ {
+ Disconnect(wxEVT_SET_FOCUS,
+ wxFocusEventHandler(wxButton::GTKOnFocus));
+ Disconnect(wxEVT_KILL_FOCUS,
+ wxFocusEventHandler(wxButton::GTKOnFocus));
+ }
+ break;
+
+ default:
+ // no callbacks to connect/disconnect
+ ;
+ }
+
+ m_bitmaps[which] = bitmap;
+
+ // update the bitmap immediately if necessary, otherwise it will be done
+ // when the bitmap for the corresponding state is needed the next time by
+ // GTKUpdateBitmap()
+ if ( bitmap.IsOk() && which == GTKGetCurrentState() )
+ {
+ GTKDoShowBitmap(bitmap);
+ }
+}
+
+void wxButton::DoSetBitmapPosition(wxDirection dir)
+{
+#ifdef __WXGTK210__
+ if ( !gtk_check_version(2,10,0) )
+ {
+ GtkPositionType gtkpos;
+ switch ( dir )
+ {
+ default:
+ wxFAIL_MSG( "invalid position" );
+ // fall through
+
+ case wxLEFT:
+ gtkpos = GTK_POS_LEFT;
+ break;
+
+ case wxRIGHT:
+ gtkpos = GTK_POS_RIGHT;
+ break;
+
+ case wxTOP:
+ gtkpos = GTK_POS_TOP;
+ break;
+
+ case wxBOTTOM:
+ gtkpos = GTK_POS_BOTTOM;
+ break;
+ }
+
+ gtk_button_set_image_position(GTK_BUTTON(m_widget), gtkpos);
+ }
+#endif // GTK+ 2.10+
+}
+
+#endif // wxUSE_BUTTON
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