From bde9f595b1e33906f2128bb62e3468ca37981115 Mon Sep 17 00:00:00 2001 From: Christian Persch Date: Tue, 22 Jul 2003 12:13:49 +0000 Subject: An input-only window event box, copied from eel's ell-input-event-box. 2003-07-22 Christian Persch * lib/widgets/ephy-event-box.h: * lib/widgets/ephy-event-box.c: An input-only window event box, copied from eel's ell-input-event-box. * src/ephy-notebook.c: (tab_build_label): * src/ephy-favicon-action.c: (create_tool_item): Use EphyEventBox instead of GtkEventBox. Fixes transparency issue from bug #110747 . --- lib/widgets/Makefile.am | 2 + lib/widgets/ephy-event-box.c | 221 +++++++++++++++++++++++++++++++++++++++++++ lib/widgets/ephy-event-box.h | 64 +++++++++++++ 3 files changed, 287 insertions(+) create mode 100644 lib/widgets/ephy-event-box.c create mode 100644 lib/widgets/ephy-event-box.h (limited to 'lib/widgets') diff --git a/lib/widgets/Makefile.am b/lib/widgets/Makefile.am index e89a98023..b7e1bdc23 100644 --- a/lib/widgets/Makefile.am +++ b/lib/widgets/Makefile.am @@ -19,6 +19,8 @@ libephywidgets_la_SOURCES = \ ephy-autocompletion-window.h \ ephy-ellipsizing-label.c \ ephy-ellipsizing-label.h \ + ephy-event-box.c \ + ephy-event-box.h \ ephy-location-entry.c \ ephy-location-entry.h \ ephy-node-view.c \ diff --git a/lib/widgets/ephy-event-box.c b/lib/widgets/ephy-event-box.c new file mode 100644 index 000000000..c616ce236 --- /dev/null +++ b/lib/widgets/ephy-event-box.c @@ -0,0 +1,221 @@ +/* GTK - The GIMP Toolkit + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GTK+ Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GTK+ at ftp://ftp.gtk.org/pub/gtk/. + */ + +#include "ephy-event-box.h" + + +static void ephy_event_box_class_init (EphyEventBoxClass *klass); +static void ephy_event_box_init (EphyEventBox *event_box); +static void ephy_event_box_realize (GtkWidget *widget); +static void ephy_event_box_unrealize (GtkWidget *widget); +static void ephy_event_box_size_request (GtkWidget *widget, + GtkRequisition *requisition); +static void ephy_event_box_size_allocate (GtkWidget *widget, + GtkAllocation *allocation); +static void ephy_event_box_map (GtkWidget *widget); +static void ephy_event_box_unmap (GtkWidget *widget); + +static GtkBinClass *parent_class = NULL; + +GType +ephy_event_box_get_type (void) +{ + static GType event_box_type = 0; + + if (!event_box_type) + { + static const GTypeInfo event_box_info = + { + sizeof (EphyEventBoxClass), + NULL, /* base_init */ + NULL, /* base_finalize */ + (GClassInitFunc) ephy_event_box_class_init, + NULL, /* class_finalize */ + NULL, /* class_data */ + sizeof (EphyEventBox), + 0, /* n_preallocs */ + (GInstanceInitFunc) ephy_event_box_init, + }; + + event_box_type = g_type_register_static (GTK_TYPE_BIN, "EphyEventBox", + &event_box_info, 0); + } + + return event_box_type; +} + + +static void +ephy_event_box_class_init (EphyEventBoxClass *class) +{ + GtkWidgetClass *widget_class; + + parent_class = g_type_class_peek_parent (class); + + widget_class = (GtkWidgetClass*) class; + + widget_class->realize = ephy_event_box_realize; + widget_class->unrealize = ephy_event_box_unrealize; + widget_class->map = ephy_event_box_map; + widget_class->unmap = ephy_event_box_unmap; + widget_class->size_request = ephy_event_box_size_request; + widget_class->size_allocate = ephy_event_box_size_allocate; +} + +static void +ephy_event_box_init (EphyEventBox *event_box) +{ + GTK_WIDGET_SET_FLAGS (event_box, GTK_NO_WINDOW); +} + +GtkWidget* +ephy_event_box_new (void) +{ + return g_object_new (EPHY_TYPE_EVENT_BOX, NULL); +} + +static void +ephy_event_box_map (GtkWidget *widget) +{ + EphyEventBox *event_box; + + event_box = EPHY_EVENT_BOX (widget); + + (* GTK_WIDGET_CLASS (parent_class)->map) (widget); + + gdk_window_show (event_box->input_window); +} + +static void +ephy_event_box_unmap (GtkWidget *widget) +{ + EphyEventBox *event_box; + + event_box = EPHY_EVENT_BOX (widget); + + gdk_window_hide (event_box->input_window); + + (* GTK_WIDGET_CLASS (parent_class)->unmap) (widget); +} + +static void +ephy_event_box_realize (GtkWidget *widget) +{ + GdkWindowAttr attributes; + EphyEventBox *event_box; + gint attributes_mask; + gint border_width; + + (* GTK_WIDGET_CLASS (parent_class)->realize) (widget); + + event_box = EPHY_EVENT_BOX (widget); + + border_width = GTK_CONTAINER (widget)->border_width; + + attributes.x = widget->allocation.x + border_width; + attributes.y = widget->allocation.y + border_width; + attributes.width = widget->allocation.width - 2*border_width; + attributes.height = widget->allocation.height - 2*border_width; + attributes.window_type = GDK_WINDOW_CHILD; + //attributes.override_redirect = TRUE; + attributes.wclass = GDK_INPUT_ONLY; + attributes.event_mask = gtk_widget_get_events (widget) + | GDK_BUTTON_MOTION_MASK + | GDK_BUTTON_PRESS_MASK + | GDK_BUTTON_RELEASE_MASK + | GDK_ENTER_NOTIFY_MASK + | GDK_LEAVE_NOTIFY_MASK; + + attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_NOREDIR; + + event_box->input_window = gdk_window_new (widget->window, + &attributes, attributes_mask); + gdk_window_set_user_data (event_box->input_window, widget); +} + +static void +ephy_event_box_unrealize (GtkWidget *widget) +{ + EphyEventBox *event_box; + + (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget); + + event_box = EPHY_EVENT_BOX (widget); + + gdk_window_set_user_data (event_box->input_window, NULL); + gdk_window_destroy (event_box->input_window); + event_box->input_window = NULL; +} + +static void +ephy_event_box_size_request (GtkWidget *widget, + GtkRequisition *requisition) +{ + GtkBin *bin = GTK_BIN (widget); + + requisition->width = GTK_CONTAINER (widget)->border_width * 2; + requisition->height = GTK_CONTAINER (widget)->border_width * 2; + + if (bin->child && GTK_WIDGET_VISIBLE (bin->child)) + { + GtkRequisition child_requisition; + + gtk_widget_size_request (bin->child, &child_requisition); + + requisition->width += child_requisition.width; + requisition->height += child_requisition.height; + } +} + +static void +ephy_event_box_size_allocate (GtkWidget *widget, + GtkAllocation *allocation) +{ + GtkBin *bin; + GtkAllocation child_allocation; + EphyEventBox *event_box; + + widget->allocation = *allocation; + bin = GTK_BIN (widget); + + child_allocation.x = allocation->x + GTK_CONTAINER (widget)->border_width; + child_allocation.y = allocation->y + GTK_CONTAINER (widget)->border_width; + child_allocation.width = MAX (allocation->width - GTK_CONTAINER (widget)->border_width * 2, 0); + child_allocation.height = MAX (allocation->height - GTK_CONTAINER (widget)->border_width * 2, 0); + + if (GTK_WIDGET_REALIZED (widget)) + { + event_box = EPHY_EVENT_BOX (widget); + gdk_window_move_resize (event_box->input_window, + child_allocation.x, + child_allocation.y, + child_allocation.width, + child_allocation.height); + } + + if (bin->child) + gtk_widget_size_allocate (bin->child, &child_allocation); +} diff --git a/lib/widgets/ephy-event-box.h b/lib/widgets/ephy-event-box.h new file mode 100644 index 000000000..d1f0f267a --- /dev/null +++ b/lib/widgets/ephy-event-box.h @@ -0,0 +1,64 @@ +/* GTK - The GIMP Toolkit + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GTK+ Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GTK+ at ftp://ftp.gtk.org/pub/gtk/. + */ + +#ifndef EPHY_EVENT_BOX_H +#define EPHY_EVENT_BOX_H + +#include +#include +#include + +G_BEGIN_DECLS + +#define EPHY_TYPE_EVENT_BOX (ephy_event_box_get_type ()) +#define EPHY_EVENT_BOX(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EPHY_TYPE_EVENT_BOX, EphyEventBox)) +#define EPHY_EVENT_BOX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EPHY_TYPE_EVENT_BOX, EphyEventBoxClass)) +#define EPHY_IS_EVENT_BOX(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EPHY_TYPE_EVENT_BOX)) +#define EPHY_IS_EVENT_BOX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EPHY_TYPE_EVENT_BOX)) +#define EPHY_EVENT_BOX_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EPHY_TYPE_EVENT_BOX, EphyEventBoxClass)) + + +typedef struct _EphyEventBox EphyEventBox; +typedef struct _EphyEventBoxClass EphyEventBoxClass; + +struct _EphyEventBox +{ + GtkBin bin; + GdkWindow *input_window; +}; + +struct _EphyEventBoxClass +{ + GtkBinClass parent_class; +}; + +GType ephy_event_box_get_type (void) G_GNUC_CONST; + +GtkWidget *ephy_event_box_new (void); + +G_END_DECLS + +#endif /* EPHY_EVENT_BOX_H */ -- cgit v1.2.3