]> www.fi.muni.cz Git - evince.git/commitdiff
[libview] Add loading window to show loading progress information
authorCarlos Garcia Campos <carlosgc@gnome.org>
Fri, 7 May 2010 08:50:20 +0000 (10:50 +0200)
committerCarlos Garcia Campos <carlosgc@gnome.org>
Fri, 7 May 2010 08:50:20 +0000 (10:50 +0200)
libview/Makefile.am
libview/ev-loading-window.c [new file with mode: 0644]
libview/ev-loading-window.h [new file with mode: 0644]

index f2848e6473770695c88a12bf59e8b1592e974bfe..980bc002c105a7cdbb87636e0755c96a5efdcdda 100644 (file)
@@ -2,6 +2,7 @@ lib_LTLIBRARIES = libevview.la
 
 NOINST_H_FILES =                       \
        ev-annotation-window.h          \
+       ev-loading-window.h             \
        ev-page-cache.h                 \
        ev-pixbuf-cache.h               \
        ev-timeline.h                   \
@@ -27,6 +28,7 @@ header_DATA = $(INST_H_FILES)
 libevview_la_SOURCES =                         \
        ev-annotation-window.c          \
        ev-document-model.c             \
+       ev-loading-window.c             \
        ev-jobs.c                       \
        ev-job-scheduler.c              \
        ev-page-cache.c                 \
diff --git a/libview/ev-loading-window.c b/libview/ev-loading-window.c
new file mode 100644 (file)
index 0000000..6c60c34
--- /dev/null
@@ -0,0 +1,280 @@
+/* ev-loading-window.c
+ *  this file is part of evince, a gnome document viewer
+ *
+ * Copyright (C) 2010 Carlos Garcia Campos <carlosgc@gnome.org>
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+
+#include <string.h>
+#include <glib/gi18n.h>
+#include "ev-loading-window.h"
+
+enum {
+       PROP_0,
+       PROP_PARENT
+};
+
+struct _EvLoadingWindow {
+       GtkWindow  base_instance;
+
+       GtkWindow *parent;
+
+       gint       x;
+       gint       y;
+       gint       width;
+       gint       height;
+};
+
+struct _EvLoadingWindowClass {
+       GtkWindowClass base_class;
+};
+
+G_DEFINE_TYPE (EvLoadingWindow, ev_loading_window, GTK_TYPE_WINDOW)
+
+static void
+ev_loading_window_set_property (GObject      *object,
+                               guint         prop_id,
+                               const GValue *value,
+                               GParamSpec   *pspec)
+{
+       EvLoadingWindow *window = EV_LOADING_WINDOW (object);
+
+       switch (prop_id) {
+       case PROP_PARENT:
+               window->parent = g_value_get_object (value);
+               break;
+       default:
+               G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+       }
+}
+
+static void
+ev_loading_window_init (EvLoadingWindow *window)
+{
+       GtkWindow   *gtk_window = GTK_WINDOW (window);
+       GtkWidget   *widget = GTK_WIDGET (window);
+       GtkWidget   *hbox;
+       GtkWidget   *spinner;
+       GtkWidget   *label;
+       GtkStyle    *style;
+       GdkColor    fg, bg;
+       const gchar *loading_text = _("Loading…");
+       const gchar *fg_color_name = "info_fg_color";
+       const gchar *bg_color_name = "info_bg_color";
+
+       hbox = gtk_hbox_new (FALSE, 12);
+
+       spinner = gtk_spinner_new ();
+       gtk_spinner_start (GTK_SPINNER (spinner));
+       gtk_box_pack_start (GTK_BOX (hbox), spinner, FALSE, FALSE, 0);
+       gtk_widget_show (spinner);
+
+       label = gtk_label_new (loading_text);
+       gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
+       gtk_widget_show (label);
+
+       gtk_container_add (GTK_CONTAINER (window), hbox);
+       gtk_widget_show (hbox);
+
+       gtk_widget_set_app_paintable (widget, TRUE);
+
+       gtk_container_set_border_width (GTK_CONTAINER (window), 10);
+
+       gtk_window_set_accept_focus (gtk_window, FALSE);
+       gtk_window_set_focus_on_map (gtk_window, FALSE);
+       gtk_window_set_decorated (gtk_window, FALSE);
+       gtk_window_set_skip_taskbar_hint (gtk_window, TRUE);
+       gtk_window_set_skip_pager_hint (gtk_window, TRUE);
+       gtk_window_set_resizable (gtk_window, FALSE);
+
+       style = gtk_widget_get_style (widget);
+       if (!gtk_style_lookup_color (style, fg_color_name, &fg) ||
+           !gtk_style_lookup_color (style, bg_color_name, &bg)) {
+               fg.pixel = 0;
+               fg.red = 0xb800;
+               fg.green = 0xad00;
+               fg.blue = 0x9d00;
+
+               bg.pixel = 0;
+               bg.red = 0xff00;
+               bg.green = 0xff00;
+               bg.blue = 0xbf00;
+       }
+
+       if (!gdk_color_equal (&bg, &style->bg[GTK_STATE_NORMAL]))
+               gtk_widget_modify_bg (widget, GTK_STATE_NORMAL, &bg);
+       if (!gdk_color_equal (&fg, &style->fg[GTK_STATE_NORMAL]))
+               gtk_widget_modify_fg (widget, GTK_STATE_NORMAL, &fg);
+}
+
+static GObject *
+ev_loading_window_constructor (GType                  type,
+                              guint                  n_construct_properties,
+                              GObjectConstructParam *construct_params)
+{
+       GObject         *object;
+       EvLoadingWindow *window;
+       GtkWindow       *gtk_window;
+
+       object = G_OBJECT_CLASS (ev_loading_window_parent_class)->constructor (type,
+                                                                              n_construct_properties,
+                                                                              construct_params);
+       window = EV_LOADING_WINDOW (object);
+       gtk_window = GTK_WINDOW (window);
+
+       gtk_window_set_transient_for (gtk_window, window->parent);
+       gtk_window_set_destroy_with_parent (gtk_window, TRUE);
+
+       return object;
+}
+
+static void
+_cairo_rounded_rectangle (cairo_t *cr,
+                         gint     width,
+                         gint     height,
+                         gdouble  radius)
+{
+       cairo_move_to (cr, radius, 0);
+       cairo_line_to (cr, width - radius, 0);
+       cairo_curve_to (cr,
+                       width, 0,
+                       width, 0,
+                       width,
+                       radius);
+       cairo_line_to (cr, width, height - radius);
+       cairo_curve_to (cr,
+                       width,height,
+                       width, height,
+                       width - radius,
+                       height);
+       cairo_line_to (cr, radius, height);
+       cairo_curve_to (cr,
+                       0, height,
+                       0, height,
+                       0, height - radius);
+       cairo_line_to (cr, 0, radius);
+       cairo_curve_to (cr,
+                       0, 0,
+                       0, 0,
+                       radius, 0);
+}
+
+static void
+ev_loading_window_size_allocate (GtkWidget      *widget,
+                                GtkAllocation  *allocation)
+{
+       EvLoadingWindow *window = EV_LOADING_WINDOW (widget);
+       GdkPixmap       *mask;
+       cairo_t         *cr;
+       double           r;
+
+       GTK_WIDGET_CLASS (ev_loading_window_parent_class)->size_allocate (widget, allocation);
+
+       if (allocation->width == window->width && allocation->height == window->height)
+               return;
+
+       window->width = allocation->width;
+       window->height = allocation->height;
+
+       mask = gdk_pixmap_new (NULL, window->width, window->height, 1);
+       cr = gdk_cairo_create (GDK_DRAWABLE (mask));
+
+       cairo_save (cr);
+       cairo_rectangle (cr, 0, 0, window->width, window->height);
+       cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
+       cairo_fill (cr);
+       cairo_restore (cr);
+
+       cairo_set_source_rgb (cr, 1., 1., 1.);
+       r = MIN (window->width, window->height) / 2.;
+       _cairo_rounded_rectangle (cr, window->width, window->height, r);
+       cairo_fill (cr);
+
+       cairo_destroy (cr);
+
+       gtk_widget_shape_combine_mask (widget, mask, 0, 0);
+       g_object_unref (mask);
+}
+
+static void
+ev_loading_window_hide (GtkWidget *widget)
+{
+       EvLoadingWindow *window = EV_LOADING_WINDOW (widget);
+
+       window->x = window->y = 0;
+
+       GTK_WIDGET_CLASS (ev_loading_window_parent_class)->hide (widget);
+}
+
+static void
+ev_loading_window_class_init (EvLoadingWindowClass *klass)
+{
+       GObjectClass   *g_object_class = G_OBJECT_CLASS (klass);
+       GtkWidgetClass *gtk_widget_class = GTK_WIDGET_CLASS (klass);
+
+       g_object_class->constructor = ev_loading_window_constructor;
+       g_object_class->set_property = ev_loading_window_set_property;
+
+       gtk_widget_class->size_allocate = ev_loading_window_size_allocate;
+       gtk_widget_class->hide = ev_loading_window_hide;
+
+       g_object_class_install_property (g_object_class,
+                                        PROP_PARENT,
+                                        g_param_spec_object ("parent",
+                                                             "Parent",
+                                                             "The parent window",
+                                                             GTK_TYPE_WINDOW,
+                                                             G_PARAM_WRITABLE |
+                                                             G_PARAM_CONSTRUCT_ONLY));
+}
+
+/* Public methods */
+GtkWidget *
+ev_loading_window_new (GtkWindow *parent)
+{
+       GtkWidget *window;
+
+       g_return_val_if_fail (GTK_IS_WINDOW (parent), NULL);
+
+       window = g_object_new (EV_TYPE_LOADING_WINDOW,
+                              "parent", parent,
+                              NULL);
+       return window;
+}
+
+void
+ev_loading_window_get_size (EvLoadingWindow *window,
+                           gint            *width,
+                           gint            *height)
+{
+       if (width) *width = window->width;
+       if (height) *height = window->height;
+}
+
+void
+ev_loading_window_move (EvLoadingWindow *window,
+                       gint             x,
+                       gint             y)
+{
+       if (x == window->x && y == window->y)
+               return;
+
+       window->x = x;
+       window->y = y;
+       gtk_window_move (GTK_WINDOW (window), x, y);
+}
diff --git a/libview/ev-loading-window.h b/libview/ev-loading-window.h
new file mode 100644 (file)
index 0000000..199fc0c
--- /dev/null
@@ -0,0 +1,49 @@
+/* ev-loading-window.h
+ *  this file is part of evince, a gnome document viewer
+ *
+ * Copyright (C) 2010 Carlos Garcia Campos <carlosgc@gnome.org>
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef EV_LOADING_WINDOW_H
+#define EV_LOADING_WINDOW_H
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+typedef struct _EvLoadingWindow      EvLoadingWindow;
+typedef struct _EvLoadingWindowClass EvLoadingWindowClass;
+
+#define EV_TYPE_LOADING_WINDOW              (ev_loading_window_get_type())
+#define EV_LOADING_WINDOW(object)           (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_LOADING_WINDOW, EvLoadingWindow))
+#define EV_LOADING_WINDOW_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_LOADING_WINDOW, EvLoadingWindowClass))
+#define EV_IS_LOADING_WINDOW(object)        (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_LOADING_WINDOW))
+#define EV_IS_LOADING_WINDOW_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE((klass), EV_TYPE_LOADING_WINDOW))
+#define EV_LOADING_WINDOW_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS((object), EV_TYPE_LOADING_WINDOW, EvLoadingWindowClass))
+
+GType      ev_loading_window_get_type (void) G_GNUC_CONST;
+GtkWidget *ev_loading_window_new      (GtkWindow       *parent);
+void       ev_loading_window_get_size (EvLoadingWindow *window,
+                                      gint            *width,
+                                      gint            *height);
+void       ev_loading_window_move     (EvLoadingWindow *window,
+                                      gint             x,
+                                      gint             y);
+
+G_END_DECLS
+
+#endif /* EV_LOADING_WINDOW_H */