From 633afd6e16f6ae9561611edcfab737e81cfdc7f4 Mon Sep 17 00:00:00 2001 From: Marco Pesenti Gritti Date: Sat, 03 Sep 2005 13:10:53 +0000 Subject: Simple widget to show tooltips at a custom position 2005-09-03 Marco Pesenti Gritti * lib/Makefile.am: * lib/ev-tooltip.c: (ev_tooltip_expose_event), (ev_tooltip_class_init), (ev_tooltip_init), (ev_tooltip_new), (ev_tooltip_set_text), (ev_tooltip_set_position): * lib/ev-tooltip.h: Simple widget to show tooltips at a custom position * shell/ev-view.c: (tip_from_link), (ev_view_motion_notify_event), (ev_view_destroy): Use it for links. First go, needs work --- (limited to 'lib') diff --git a/lib/ev-tooltip.c b/lib/ev-tooltip.c new file mode 100644 index 0000000..14326ab --- /dev/null +++ b/lib/ev-tooltip.c @@ -0,0 +1,117 @@ +/* this file is part of evince, a gnome document viewer + * + * Copyright (C) 2004 Red Hat, Inc. + * + * Author: + * Jonathan Blandford + * + * Evince is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Evince 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 + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "ev-tooltip.h" + +#include + +struct _EvTooltipPrivate { + GtkWidget *label; +}; + +G_DEFINE_TYPE (EvTooltip, ev_tooltip, GTK_TYPE_WINDOW) + +#define EV_TOOLTIP_GET_PRIVATE(object) \ + (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_TOOLTIP, EvTooltipPrivate)) + +static gboolean +ev_tooltip_expose_event (GtkWidget *widget, + GdkEventExpose *event) +{ + gtk_paint_flat_box (widget->style, widget->window, + GTK_STATE_NORMAL, GTK_SHADOW_OUT, + NULL, widget, "tooltip", 0, 0, + widget->allocation.width, widget->allocation.height); + + return GTK_WIDGET_CLASS (ev_tooltip_parent_class)->expose_event (widget, event); +} + +static void +ev_tooltip_class_init (EvTooltipClass *class) +{ + GObjectClass *g_object_class = G_OBJECT_CLASS (class); + GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class); + + widget_class->expose_event = ev_tooltip_expose_event; + + g_type_class_add_private (g_object_class, sizeof (EvTooltipPrivate)); +} + +static void +ev_tooltip_init (EvTooltip *tooltip) +{ + GtkWidget *window = GTK_WIDGET (tooltip); + GtkWidget *label; + + tooltip->priv = EV_TOOLTIP_GET_PRIVATE (tooltip); + + gtk_widget_set_name (window, "gtk-tooltips"); + + label = gtk_label_new (NULL); + gtk_label_set_line_wrap (GTK_LABEL (label), TRUE); + gtk_container_add (GTK_CONTAINER (window), label); + gtk_container_set_border_width (GTK_CONTAINER (window), 3); + tooltip->priv->label = label; + + gtk_widget_show (label); +} + +/* Public functions */ + +GtkWidget * +ev_tooltip_new (GtkWidget *parent) +{ + GtkWidget *tooltip; + GtkWidget *toplevel; + + tooltip = g_object_new (EV_TYPE_TOOLTIP, NULL); + + GTK_WINDOW (tooltip)->type = GTK_WINDOW_POPUP; + EV_TOOLTIP (tooltip)->parent = parent; + + toplevel = gtk_widget_get_toplevel (parent); + gtk_window_set_transient_for (GTK_WINDOW (tooltip), GTK_WINDOW (toplevel)); + + return tooltip; +} + +void +ev_tooltip_set_text (EvTooltip *tooltip, const char *text) +{ + gtk_label_set_text (GTK_LABEL (tooltip->priv->label), text); +} + +void +ev_tooltip_set_position (EvTooltip *tooltip, int x, int y) +{ + int root_x = 0, root_y = 0; + + if (tooltip->parent != NULL) { + gdk_window_get_origin (tooltip->parent->window, &root_x, &root_y); + } + + gtk_window_move (GTK_WINDOW (tooltip), x + root_x, y + root_y); +} diff --git a/lib/ev-tooltip.h b/lib/ev-tooltip.h new file mode 100644 index 0000000..b57368c --- /dev/null +++ b/lib/ev-tooltip.h @@ -0,0 +1,66 @@ +/* ev-sidebar.h + * this file is part of evince, a gnome document viewer + * + * Copyright (C) 2005 Red Hat, Inc. + * + * Author: + * Marco Pesenti Gritti + * + * Evince is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Evince 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 + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __EV_TOOLTIP_H__ +#define __EV_TOOLTIP_H__ + +#include + +G_BEGIN_DECLS + +typedef struct _EvTooltip EvTooltip; +typedef struct _EvTooltipClass EvTooltipClass; +typedef struct _EvTooltipPrivate EvTooltipPrivate; + +#define EV_TYPE_TOOLTIP (ev_tooltip_get_type()) +#define EV_TOOLTIP(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_TOOLTIP, EvTooltip)) +#define EV_TOOLTIP_CLASS(klass) (G_TYPE_CHACK_CLASS_CAST((klass), EV_TYPE_TOOLTIP, EvTooltipClass)) +#define EV_IS_TOOLTIP(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_TOOLTIP)) +#define EV_IS_TOOLTIP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), EV_TYPE_TOOLTIP)) +#define EV_TOOLTIP_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS((object), EV_TYPE_TOOLTIP, EvTooltipClass)) + +struct _EvTooltip { + GtkWindow base_instance; + + GtkWidget *parent; + + EvTooltipPrivate *priv; +}; + +struct _EvTooltipClass { + GtkWindowClass base_class; +}; + +GType ev_tooltip_get_type (void); +GtkWidget *ev_tooltip_new (GtkWidget *parent); +void ev_tooltip_set_text (EvTooltip *tooltip, + const char *text); +void ev_tooltip_set_position (EvTooltip *tooltip, + int x, + int y); + +G_END_DECLS + +#endif /* __EV_TOOLTIP_H__ */ + + -- cgit v0.9.1