1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
2 /* this file is part of evince, a gnome document viewer
6 * Lukas Bezdicka <255993@mail.muni.cz>
8 * Evince is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * Evince is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
28 #include <glib/gi18n.h>
32 #include "ev-presentation-timer.h"
34 struct _EvPresentationTimerPrivate
43 #define EV_PRESENTATION_TIMER_GET_PRIVATE(object) \
44 (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_PRESENTATION_TIMER, EvPresentationTimerPrivate))
46 G_DEFINE_TYPE (EvPresentationTimer, ev_presentation_timer, GTK_TYPE_DRAWING_AREA);
49 ev_presentation_timer_progress (gdouble time, gdouble remaining)
51 return remaining/(time*60);
55 ev_presentation_timer_draw(GtkWidget *timer, cairo_t *cr)
57 EvPresentationTimer *ev_timer = EV_PRESENTATION_TIMER(timer);
58 GtkAllocation allocation;
59 gtk_widget_get_allocation (timer, &allocation);
60 cairo_set_source_rgb (cr, 0, 0, 0);
61 cairo_set_line_width (cr, 5);
62 guint pos = (allocation.width/ev_timer->priv->pages)*ev_timer->priv->page;
63 cairo_move_to (cr,pos,2);
64 cairo_line_to (cr,pos,allocation.height);
66 if(ev_timer->priv->running && ev_timer->priv->time > 0 && ev_timer->priv->remaining > 0)
68 gdouble progress = ev_presentation_timer_progress (ev_timer->priv->time,
69 ev_timer->priv->remaining)*(allocation.width);
70 cairo_rectangle (cr, allocation.width-progress,
72 (allocation.width-(allocation.width-progress))-10,
74 cairo_stroke_preserve (cr);
81 timeout_cb (gpointer data)
83 EvPresentationTimer *ev_timer = EV_PRESENTATION_TIMER(data);
84 ev_timer->priv->remaining--;
86 if(time >= 0 && ev_timer->priv->remaining >= 0)
88 gtk_widget_queue_draw(GTK_WIDGET(ev_timer));
90 ev_timer->priv->running = FALSE;
91 return ev_timer->priv->running;
95 ev_presentation_timer_set_pages (EvPresentationTimer *ev_timer, guint pages)
97 ev_timer->priv->pages = pages -1;
101 ev_presentation_timer_set_page (EvPresentationTimer *ev_timer, guint page)
103 if (page >= ev_timer->priv->pages)
105 page = ev_timer->priv->pages;
106 ev_timer->priv->running=FALSE;
108 ev_timer->priv->page = page;
109 gtk_widget_queue_draw(GTK_WIDGET(ev_timer));
113 ev_presentation_timer_init (EvPresentationTimer *ev_timer)
115 ev_timer->priv = EV_PRESENTATION_TIMER_GET_PRIVATE (ev_timer);
116 ev_timer->priv->page = 0;
117 ev_timer->priv->pages = 0;
118 ev_timer->priv->remaining = 0;
119 ev_timer->priv->time = 0;
120 ev_timer->priv->running = FALSE;
124 ev_presentation_timer_start (EvPresentationTimer *ev_timer)
126 if (ev_timer->priv->running == FALSE)
128 ev_timer->priv->remaining = (ev_timer->priv->time)*60;
129 ev_timer->priv->running = TRUE;
130 g_timeout_add_seconds (1, timeout_cb, ev_timer);
135 ev_presentation_timer_stop (EvPresentationTimer *ev_timer)
137 ev_timer->priv->remaining = 0;
141 ev_presentation_timer_set_time (EvPresentationTimer *ev_timer,
144 if(ev_timer->priv->running)
145 ev_timer->priv->remaining = ((ev_timer->priv->remaining)/(ev_timer->priv->time)*time);
147 ev_timer->priv->time = (time < -1)? -1:time;
151 ev_presentation_timer_class_init (EvPresentationTimerClass *klass)
153 GObjectClass *object_class = G_OBJECT_CLASS (klass);
154 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
155 g_type_class_add_private (object_class, sizeof (EvPresentationTimerPrivate));
156 widget_class->draw = ev_presentation_timer_draw;
157 /*object_class->finalize = ev_presentation_timer_finalize;*/
161 ev_presentation_timer_new (void)
163 EvPresentationTimer *ev_timer;
165 ev_timer = g_object_new (EV_TYPE_PRESENTATION_TIMER, NULL);
166 return GTK_WIDGET (ev_timer);