gdm r5925 - in trunk: . gui/simple-greeter
- From: halfline svn gnome org
- To: svn-commits-list gnome org
- Subject: gdm r5925 - in trunk: . gui/simple-greeter
- Date: Wed, 5 Mar 2008 04:50:29 +0000 (GMT)
Author: halfline
Date: Wed Mar 5 04:50:29 2008
New Revision: 5925
URL: http://svn.gnome.org/viewvc/gdm?rev=5925&view=rev
Log:
2008-03-04 Ray Strode <rstrode redhat com>
* gui/simple-greeter/gdm-cell-renderer-timer.[ch]:
New cell renderer that does clock count-down animation
(will be improved to be themable later)
Added:
trunk/gui/simple-greeter/gdm-cell-renderer-timer.c
trunk/gui/simple-greeter/gdm-cell-renderer-timer.h
Modified:
trunk/ChangeLog
Added: trunk/gui/simple-greeter/gdm-cell-renderer-timer.c
==============================================================================
--- (empty file)
+++ trunk/gui/simple-greeter/gdm-cell-renderer-timer.c Wed Mar 5 04:50:29 2008
@@ -0,0 +1,233 @@
+/*
+ * Copyright (C) 2008 Red Hat, Inc.
+ *
+ * This program 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.
+ *
+ * This program 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.
+ *
+ * Written by: Ray Strode <rstrode redhat com>
+ */
+
+#include "config.h"
+#include "gdm-cell-renderer-timer.h"
+#include <glib/gi18n.h>
+
+#define GDM_CELL_RENDERER_TIMER_GET_PRIVATE(object) (G_TYPE_INSTANCE_GET_PRIVATE ((object), GDM_TYPE_CELL_RENDERER_TIMER, GdmCellRendererTimerPrivate))
+
+struct _GdmCellRendererTimerPrivate
+{
+ gdouble value;
+};
+
+enum
+{
+ PROP_0,
+ PROP_VALUE,
+};
+
+G_DEFINE_TYPE (GdmCellRendererTimer, gdm_cell_renderer_timer, GTK_TYPE_CELL_RENDERER)
+
+static void
+gdm_cell_renderer_timer_get_property (GObject *object,
+ guint param_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GdmCellRendererTimer *renderer;
+
+ renderer = GDM_CELL_RENDERER_TIMER (object);
+
+ switch (param_id) {
+ case PROP_VALUE:
+ g_value_set_double (value, renderer->priv->value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+ }
+}
+
+static void
+gdm_cell_renderer_timer_set_value (GdmCellRendererTimer *renderer,
+ gdouble value)
+{
+ renderer->priv->value = value;
+}
+
+static void
+gdm_cell_renderer_timer_set_property (GObject *object,
+ guint param_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GdmCellRendererTimer *renderer;
+
+ renderer = GDM_CELL_RENDERER_TIMER (object);
+
+ switch (param_id) {
+ case PROP_VALUE:
+ gdm_cell_renderer_timer_set_value (renderer,
+ g_value_get_double (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+ }
+}
+
+static void
+gdm_cell_renderer_timer_get_size (GtkCellRenderer *cell,
+ GtkWidget *widget,
+ GdkRectangle *cell_area,
+ gint *x_offset,
+ gint *y_offset,
+ gint *width,
+ gint *height)
+{
+
+ GdmCellRendererTimer *renderer;
+
+ renderer = GDM_CELL_RENDERER_TIMER (cell);
+
+ if (cell_area != NULL) {
+ if (x_offset != NULL) {
+ *x_offset = 0;
+ }
+
+ if (y_offset != NULL) {
+ *y_offset = 0;
+ }
+ }
+
+ if (width != NULL) {
+ if (cell->width >= 0) {
+ *width = cell->width;
+ } else {
+ *width = renderer->priv->value <= G_MINDOUBLE? 0 : 64;
+ }
+ }
+
+ if (height != NULL) {
+ if (cell->height >= 0) {
+ *height = cell->height;
+ } else {
+ *width = renderer->priv->value <= G_MINDOUBLE? 0 : 64;
+ }
+ }
+}
+
+static void
+draw_timer (GdmCellRendererTimer *renderer,
+ cairo_t *context,
+ GdkColor *fg,
+ GdkColor *bg,
+ int width,
+ int height)
+{
+ double radius;
+
+ radius = .5 * (MIN (width, height) / 2.0);
+
+ cairo_translate (context, width / 2., height / 2.);
+
+ gdk_cairo_set_source_color (context, bg);
+ cairo_move_to (context, 0, 0);
+ cairo_arc (context, 0, 0, radius, 0, 2 * G_PI);
+ cairo_fill_preserve (context);
+ cairo_stroke (context);
+
+ gdk_cairo_set_source_color (context, fg);
+ cairo_move_to (context, 0, 0);
+ cairo_arc (context, 0, 0, radius, - G_PI / 2,
+ renderer->priv->value * 2 * G_PI - G_PI / 2);
+ cairo_fill (context);
+}
+
+static void
+gdm_cell_renderer_timer_render (GtkCellRenderer *cell,
+ GdkWindow *window,
+ GtkWidget *widget,
+ GdkRectangle *background_area,
+ GdkRectangle *cell_area,
+ GdkRectangle *expose_area,
+ GtkCellRendererState renderer_state)
+{
+ GdmCellRendererTimer *renderer;
+ cairo_t *context;
+ GtkStateType widget_state;
+
+ renderer = GDM_CELL_RENDERER_TIMER (cell);
+
+ if (renderer->priv->value <= G_MINDOUBLE) {
+ return;
+ }
+
+ context = gdk_cairo_create (GDK_DRAWABLE (window));
+
+ if (expose_area != NULL) {
+ gdk_cairo_rectangle (context, expose_area);
+ cairo_clip (context);
+ }
+
+ cairo_translate (context,
+ cell_area->x + cell->xpad,
+ cell_area->y + cell->ypad);
+
+ if (renderer_state & GTK_CELL_RENDERER_SELECTED) {
+ widget_state = GTK_STATE_SELECTED;
+ } else {
+ widget_state = GTK_STATE_NORMAL;
+ }
+
+ draw_timer (renderer, context,
+ &widget->style->base[widget_state],
+ &widget->style->text_aa[widget_state],
+ cell_area->width, cell_area->height);
+
+ cairo_destroy (context);
+}
+
+static void
+gdm_cell_renderer_timer_class_init (GdmCellRendererTimerClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (klass);
+
+ object_class->get_property = gdm_cell_renderer_timer_get_property;
+ object_class->set_property = gdm_cell_renderer_timer_set_property;
+
+ cell_class->get_size = gdm_cell_renderer_timer_get_size;
+ cell_class->render = gdm_cell_renderer_timer_render;
+
+ g_object_class_install_property (object_class,
+ PROP_VALUE,
+ g_param_spec_double ("value",
+ _("Value"),
+ _("percentage of time complete"),
+ 0.0, 1.0, 0.0,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+
+ g_type_class_add_private (object_class,
+ sizeof (GdmCellRendererTimerPrivate));
+}
+
+static void
+gdm_cell_renderer_timer_init (GdmCellRendererTimer *renderer)
+{
+ renderer->priv = GDM_CELL_RENDERER_TIMER_GET_PRIVATE (renderer);
+}
+
+GtkCellRenderer*
+gdm_cell_renderer_timer_new (void)
+{
+ return g_object_new (GDM_TYPE_CELL_RENDERER_TIMER, NULL);
+}
+
Added: trunk/gui/simple-greeter/gdm-cell-renderer-timer.h
==============================================================================
--- (empty file)
+++ trunk/gui/simple-greeter/gdm-cell-renderer-timer.h Wed Mar 5 04:50:29 2008
@@ -0,0 +1,57 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2008 Red Hat, Inc.
+ *
+ * This program 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.
+ *
+ * This program 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.
+ *
+ * Written by: Ray Strode <rstrode redhat com>
+ */
+#ifndef __GDM_CELL_RENDERER_TIMER_H
+#define __GDM_CELL_RENDERER_TIMER_H
+
+#include <gtk/gtkcellrenderer.h>
+
+G_BEGIN_DECLS
+
+#define GDM_TYPE_CELL_RENDERER_TIMER (gdm_cell_renderer_timer_get_type ())
+#define GDM_CELL_RENDERER_TIMER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDM_TYPE_CELL_RENDERER_TIMER, GdmCellRendererTimer))
+#define GDM_CELL_RENDERER_TIMER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDM_TYPE_CELL_RENDERER_TIMER, GdmCellRendererTimerClass))
+#define GTK_IS_CELL_RENDERER_TIMER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDM_TYPE_CELL_RENDERER_TIMER))
+#define GTK_IS_CELL_RENDERER_TIMER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDM_TYPE_CELL_RENDERER_TIMER))
+#define GDM_CELL_RENDERER_TIMER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDM_TYPE_CELL_RENDERER_TIMER, GdmCellRendererTimerClass))
+
+typedef struct _GdmCellRendererTimer GdmCellRendererTimer;
+typedef struct _GdmCellRendererTimerClass GdmCellRendererTimerClass;
+typedef struct _GdmCellRendererTimerPrivate GdmCellRendererTimerPrivate;
+
+struct _GdmCellRendererTimer
+{
+ GtkCellRenderer parent;
+
+ /*< private >*/
+ GdmCellRendererTimerPrivate *priv;
+};
+
+struct _GdmCellRendererTimerClass
+{
+ GtkCellRendererClass parent_class;
+};
+
+GType gdm_cell_renderer_timer_get_type (void);
+GtkCellRenderer* gdm_cell_renderer_timer_new (void);
+
+G_END_DECLS
+
+#endif /* __GDM_CELL_RENDERER_TIMER_H */
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