1 files changed, 714 insertions, 0 deletions
diff --git a/plugins/media-keys/msd-media-keys-window.c b/plugins/media-keys/msd-media-keys-window.c
new file mode 100644
index 0000000..8bd6c33
--- /dev/null
+++ b/plugins/media-keys/msd-media-keys-window.c
@@ -0,0 +1,714 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2006-2007 William Jon McCann <[email protected]>
+ *
+ *
+ * This program 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, 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 Lesser General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Lesser 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.
+ *
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+
+#include "msd-media-keys-window.h"
+
+#define MSD_MEDIA_KEYS_WINDOW_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), MSD_TYPE_MEDIA_KEYS_WINDOW, MsdMediaKeysWindowPrivate))
+
+struct MsdMediaKeysWindowPrivate
+{
+ MsdMediaKeysWindowAction action;
+ char *icon_name;
+ gboolean show_level;
+
+ guint volume_muted : 1;
+ int volume_level;
+
+ GtkImage *image;
+ GtkWidget *progress;
+};
+
+G_DEFINE_TYPE (MsdMediaKeysWindow, msd_media_keys_window, MSD_TYPE_OSD_WINDOW)
+
+static void
+volume_controls_set_visible (MsdMediaKeysWindow *window,
+ gboolean visible)
+{
+ if (window->priv->progress == NULL)
+ return;
+
+ if (visible) {
+ gtk_widget_show (window->priv->progress);
+ } else {
+ gtk_widget_hide (window->priv->progress);
+ }
+}
+
+static void
+window_set_icon_name (MsdMediaKeysWindow *window,
+ const char *name)
+{
+ if (window->priv->image == NULL)
+ return;
+
+ gtk_image_set_from_icon_name (window->priv->image,
+ name, GTK_ICON_SIZE_DIALOG);
+}
+
+static void
+action_changed (MsdMediaKeysWindow *window)
+{
+ if (!msd_osd_window_is_composited (MSD_OSD_WINDOW (window))) {
+ switch (window->priv->action) {
+ case MSD_MEDIA_KEYS_WINDOW_ACTION_VOLUME:
+ volume_controls_set_visible (window, TRUE);
+
+ if (window->priv->volume_muted) {
+ window_set_icon_name (window, "audio-volume-muted");
+ } else {
+ window_set_icon_name (window, "audio-volume-high");
+ }
+
+ break;
+ case MSD_MEDIA_KEYS_WINDOW_ACTION_CUSTOM:
+ volume_controls_set_visible (window, window->priv->show_level);
+ window_set_icon_name (window, window->priv->icon_name);
+ break;
+ default:
+ g_assert_not_reached ();
+ break;
+ }
+ }
+
+ msd_osd_window_update_and_hide (MSD_OSD_WINDOW (window));
+}
+
+static void
+volume_level_changed (MsdMediaKeysWindow *window)
+{
+ msd_osd_window_update_and_hide (MSD_OSD_WINDOW (window));
+
+ if (!msd_osd_window_is_composited (MSD_OSD_WINDOW (window)) && window->priv->progress != NULL) {
+ double fraction;
+
+ fraction = (double) window->priv->volume_level / 100.0;
+
+ gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (window->priv->progress),
+ fraction);
+ }
+}
+
+static void
+volume_muted_changed (MsdMediaKeysWindow *window)
+{
+ msd_osd_window_update_and_hide (MSD_OSD_WINDOW (window));
+
+ if (!msd_osd_window_is_composited (MSD_OSD_WINDOW (window))) {
+ if (window->priv->volume_muted) {
+ window_set_icon_name (window, "audio-volume-muted");
+ } else {
+ window_set_icon_name (window, "audio-volume-high");
+ }
+ }
+}
+
+void
+msd_media_keys_window_set_action (MsdMediaKeysWindow *window,
+ MsdMediaKeysWindowAction action)
+{
+ g_return_if_fail (MSD_IS_MEDIA_KEYS_WINDOW (window));
+ g_return_if_fail (action == MSD_MEDIA_KEYS_WINDOW_ACTION_VOLUME);
+
+ if (window->priv->action != action) {
+ window->priv->action = action;
+ action_changed (window);
+ } else {
+ msd_osd_window_update_and_hide (MSD_OSD_WINDOW (window));
+ }
+}
+
+void
+msd_media_keys_window_set_action_custom (MsdMediaKeysWindow *window,
+ const char *icon_name,
+ gboolean show_level)
+{
+ g_return_if_fail (MSD_IS_MEDIA_KEYS_WINDOW (window));
+ g_return_if_fail (icon_name != NULL);
+
+ if (window->priv->action != MSD_MEDIA_KEYS_WINDOW_ACTION_CUSTOM ||
+ g_strcmp0 (window->priv->icon_name, icon_name) != 0 ||
+ window->priv->show_level != show_level) {
+ window->priv->action = MSD_MEDIA_KEYS_WINDOW_ACTION_CUSTOM;
+ g_free (window->priv->icon_name);
+ window->priv->icon_name = g_strdup (icon_name);
+ window->priv->show_level = show_level;
+ action_changed (window);
+ } else {
+ msd_osd_window_update_and_hide (MSD_OSD_WINDOW (window));
+ }
+}
+
+void
+msd_media_keys_window_set_volume_muted (MsdMediaKeysWindow *window,
+ gboolean muted)
+{
+ g_return_if_fail (MSD_IS_MEDIA_KEYS_WINDOW (window));
+
+ if (window->priv->volume_muted != muted) {
+ window->priv->volume_muted = muted;
+ volume_muted_changed (window);
+ }
+}
+
+void
+msd_media_keys_window_set_volume_level (MsdMediaKeysWindow *window,
+ int level)
+{
+ g_return_if_fail (MSD_IS_MEDIA_KEYS_WINDOW (window));
+
+ if (window->priv->volume_level != level) {
+ window->priv->volume_level = level;
+ volume_level_changed (window);
+ }
+}
+
+static GdkPixbuf *
+load_pixbuf (MsdMediaKeysWindow *window,
+ const char *name,
+ int icon_size)
+{
+ GtkIconTheme *theme;
+ GdkPixbuf *pixbuf;
+
+ if (window != NULL && gtk_widget_has_screen (GTK_WIDGET (window))) {
+ theme = gtk_icon_theme_get_for_screen (gtk_widget_get_screen (GTK_WIDGET (window)));
+ } else {
+ theme = gtk_icon_theme_get_default ();
+ }
+
+ pixbuf = gtk_icon_theme_load_icon (theme,
+ name,
+ icon_size,
+ GTK_ICON_LOOKUP_FORCE_SIZE,
+ NULL);
+
+ return pixbuf;
+}
+
+static void
+draw_eject (cairo_t *cr,
+ double _x0,
+ double _y0,
+ double width,
+ double height)
+{
+ int box_height;
+ int tri_height;
+ int separation;
+
+ box_height = height * 0.2;
+ separation = box_height / 3;
+ tri_height = height - box_height - separation;
+
+ cairo_rectangle (cr, _x0, _y0 + height - box_height, width, box_height);
+
+ cairo_move_to (cr, _x0, _y0 + tri_height);
+ cairo_rel_line_to (cr, width, 0);
+ cairo_rel_line_to (cr, -width / 2, -tri_height);
+ cairo_rel_line_to (cr, -width / 2, tri_height);
+ cairo_close_path (cr);
+ cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, MSD_OSD_WINDOW_FG_ALPHA);
+ cairo_fill_preserve (cr);
+
+ cairo_set_source_rgba (cr, 0.6, 0.6, 0.6, MSD_OSD_WINDOW_FG_ALPHA / 2);
+ cairo_set_line_width (cr, 2);
+ cairo_stroke (cr);
+}
+
+static void
+draw_waves (cairo_t *cr,
+ double cx,
+ double cy,
+ double max_radius,
+ int volume_level)
+{
+ const int n_waves = 3;
+ int last_wave;
+ int i;
+
+ last_wave = n_waves * volume_level / 100;
+
+ for (i = 0; i < n_waves; i++) {
+ double angle1;
+ double angle2;
+ double radius;
+ double alpha;
+
+ angle1 = -M_PI / 4;
+ angle2 = M_PI / 4;
+
+ if (i < last_wave)
+ alpha = 1.0;
+ else if (i > last_wave)
+ alpha = 0.1;
+ else alpha = 0.1 + 0.9 * (n_waves * volume_level % 100) / 100.0;
+
+ radius = (i + 1) * (max_radius / n_waves);
+ cairo_arc (cr, cx, cy, radius, angle1, angle2);
+ cairo_set_source_rgba (cr, 0.6, 0.6, 0.6, alpha / 2);
+ cairo_set_line_width (cr, 14);
+ cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
+ cairo_stroke_preserve (cr);
+
+ cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, alpha);
+ cairo_set_line_width (cr, 10);
+ cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
+ cairo_stroke (cr);
+ }
+}
+
+static void
+draw_cross (cairo_t *cr,
+ double cx,
+ double cy,
+ double size)
+{
+ cairo_move_to (cr, cx, cy - size/2.0);
+ cairo_rel_line_to (cr, size, size);
+
+ cairo_move_to (cr, cx, cy + size/2.0);
+ cairo_rel_line_to (cr, size, -size);
+
+ cairo_set_source_rgba (cr, 0.6, 0.6, 0.6, MSD_OSD_WINDOW_FG_ALPHA / 2);
+ cairo_set_line_width (cr, 14);
+ cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
+ cairo_stroke_preserve (cr);
+
+ cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, MSD_OSD_WINDOW_FG_ALPHA);
+ cairo_set_line_width (cr, 10);
+ cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
+ cairo_stroke (cr);
+}
+
+static void
+draw_speaker (cairo_t *cr,
+ double cx,
+ double cy,
+ double width,
+ double height)
+{
+ double box_width;
+ double box_height;
+ double _x0;
+ double _y0;
+
+ box_width = width / 3;
+ box_height = height / 3;
+
+ _x0 = cx - (width / 2) + box_width;
+ _y0 = cy - box_height / 2;
+
+ cairo_move_to (cr, _x0, _y0);
+ cairo_rel_line_to (cr, - box_width, 0);
+ cairo_rel_line_to (cr, 0, box_height);
+ cairo_rel_line_to (cr, box_width, 0);
+
+ cairo_line_to (cr, cx + box_width, cy + height / 2);
+ cairo_rel_line_to (cr, 0, -height);
+ cairo_line_to (cr, _x0, _y0);
+ cairo_close_path (cr);
+
+ cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, MSD_OSD_WINDOW_FG_ALPHA);
+ cairo_fill_preserve (cr);
+
+ cairo_set_source_rgba (cr, 0.6, 0.6, 0.6, MSD_OSD_WINDOW_FG_ALPHA / 2);
+ cairo_set_line_width (cr, 2);
+ cairo_stroke (cr);
+}
+
+static gboolean
+render_speaker (MsdMediaKeysWindow *window,
+ cairo_t *cr,
+ double _x0,
+ double _y0,
+ double width,
+ double height)
+{
+ GdkPixbuf *pixbuf;
+ int icon_size;
+ int n;
+ static const char *icon_names[] = {
+ "audio-volume-muted",
+ "audio-volume-low",
+ "audio-volume-medium",
+ "audio-volume-high",
+ NULL
+ };
+
+ if (window->priv->volume_muted) {
+ n = 0;
+ } else {
+ /* select image */
+ n = 3 * window->priv->volume_level / 100 + 1;
+ if (n < 1) {
+ n = 1;
+ } else if (n > 3) {
+ n = 3;
+ }
+ }
+
+ icon_size = (int)width;
+
+ pixbuf = load_pixbuf (window, icon_names[n], icon_size);
+
+ if (pixbuf == NULL) {
+ return FALSE;
+ }
+
+ gdk_cairo_set_source_pixbuf (cr, pixbuf, _x0, _y0);
+ cairo_paint_with_alpha (cr, MSD_OSD_WINDOW_FG_ALPHA);
+
+ g_object_unref (pixbuf);
+
+ return TRUE;
+}
+
+static void
+draw_volume_boxes (MsdMediaKeysWindow *window,
+ cairo_t *cr,
+ double percentage,
+ double _x0,
+ double _y0,
+ double width,
+ double height)
+{
+ gdouble x1;
+ GdkColor color;
+ double r, g, b;
+ GtkStyle *style;
+
+ _x0 += 0.5;
+ _y0 += 0.5;
+ height = round (height) - 1;
+ width = round (width) - 1;
+ x1 = round ((width - 1) * percentage);
+ style = gtk_widget_get_style (GTK_WIDGET (window));
+
+ /* bar background */
+ msd_osd_window_color_reverse (&style->dark[GTK_STATE_NORMAL], &color);
+ r = (float)color.red / 65535.0;
+ g = (float)color.green / 65535.0;
+ b = (float)color.blue / 65535.0;
+ msd_osd_window_draw_rounded_rectangle (cr, 1.0, _x0, _y0, height / 6, width, height);
+ cairo_set_source_rgba (cr, r, g, b, MSD_OSD_WINDOW_FG_ALPHA / 2);
+ cairo_fill_preserve (cr);
+
+ /* bar border */
+ msd_osd_window_color_reverse (&style->light[GTK_STATE_NORMAL], &color);
+ r = (float)color.red / 65535.0;
+ g = (float)color.green / 65535.0;
+ b = (float)color.blue / 65535.0;
+ cairo_set_source_rgba (cr, r, g, b, MSD_OSD_WINDOW_FG_ALPHA / 2);
+ cairo_set_line_width (cr, 1);
+ cairo_stroke (cr);
+
+ /* bar progress */
+ if (percentage < 0.01)
+ return;
+ color = style->bg[GTK_STATE_NORMAL];
+ r = (float)color.red / 65535.0;
+ g = (float)color.green / 65535.0;
+ b = (float)color.blue / 65535.0;
+ msd_osd_window_draw_rounded_rectangle (cr, 1.0, _x0 + 0.5, _y0 + 0.5, height / 6 - 0.5, x1, height - 1);
+ cairo_set_source_rgba (cr, r, g, b, MSD_OSD_WINDOW_FG_ALPHA);
+ cairo_fill (cr);
+}
+
+static void
+draw_action_volume (MsdMediaKeysWindow *window,
+ cairo_t *cr)
+{
+ int window_width;
+ int window_height;
+ double icon_box_width;
+ double icon_box_height;
+ double icon_box_x0;
+ double icon_box_y0;
+ double volume_box_x0;
+ double volume_box_y0;
+ double volume_box_width;
+ double volume_box_height;
+ gboolean res;
+
+ gtk_window_get_size (GTK_WINDOW (window), &window_width, &window_height);
+
+ icon_box_width = round (window_width * 0.65);
+ icon_box_height = round (window_height * 0.65);
+ volume_box_width = icon_box_width;
+ volume_box_height = round (window_height * 0.05);
+
+ icon_box_x0 = (window_width - icon_box_width) / 2;
+ icon_box_y0 = (window_height - icon_box_height - volume_box_height) / 2;
+ volume_box_x0 = round (icon_box_x0);
+ volume_box_y0 = round (icon_box_height + icon_box_y0);
+
+#if 0
+ g_message ("icon box: w=%f h=%f _x0=%f _y0=%f",
+ icon_box_width,
+ icon_box_height,
+ icon_box_x0,
+ icon_box_y0);
+ g_message ("volume box: w=%f h=%f _x0=%f _y0=%f",
+ volume_box_width,
+ volume_box_height,
+ volume_box_x0,
+ volume_box_y0);
+#endif
+
+ res = render_speaker (window,
+ cr,
+ icon_box_x0, icon_box_y0,
+ icon_box_width, icon_box_height);
+ if (! res) {
+ double speaker_width;
+ double speaker_height;
+ double speaker_cx;
+ double speaker_cy;
+
+ speaker_width = icon_box_width * 0.5;
+ speaker_height = icon_box_height * 0.75;
+ speaker_cx = icon_box_x0 + speaker_width / 2;
+ speaker_cy = icon_box_y0 + speaker_height / 2;
+
+#if 0
+ g_message ("speaker box: w=%f h=%f cx=%f cy=%f",
+ speaker_width,
+ speaker_height,
+ speaker_cx,
+ speaker_cy);
+#endif
+
+ /* draw speaker symbol */
+ draw_speaker (cr, speaker_cx, speaker_cy, speaker_width, speaker_height);
+
+ if (! window->priv->volume_muted) {
+ /* draw sound waves */
+ double wave_x0;
+ double wave_y0;
+ double wave_radius;
+
+ wave_x0 = window_width / 2;
+ wave_y0 = speaker_cy;
+ wave_radius = icon_box_width / 2;
+
+ draw_waves (cr, wave_x0, wave_y0, wave_radius, window->priv->volume_level);
+ } else {
+ /* draw 'mute' cross */
+ double cross_x0;
+ double cross_y0;
+ double cross_size;
+
+ cross_size = speaker_width * 3 / 4;
+ cross_x0 = icon_box_x0 + icon_box_width - cross_size;
+ cross_y0 = speaker_cy;
+
+ draw_cross (cr, cross_x0, cross_y0, cross_size);
+ }
+ }
+
+ /* draw volume meter */
+ draw_volume_boxes (window,
+ cr,
+ (double)window->priv->volume_level / 100.0,
+ volume_box_x0,
+ volume_box_y0,
+ volume_box_width,
+ volume_box_height);
+}
+
+static gboolean
+render_custom (MsdMediaKeysWindow *window,
+ cairo_t *cr,
+ double _x0,
+ double _y0,
+ double width,
+ double height)
+{
+ GdkPixbuf *pixbuf;
+ int icon_size;
+
+ icon_size = (int)width;
+
+ pixbuf = load_pixbuf (window, window->priv->icon_name, icon_size);
+
+ if (pixbuf == NULL) {
+ char *name;
+ if (gtk_widget_get_direction (GTK_WIDGET (window)) == GTK_TEXT_DIR_RTL)
+ name = g_strdup_printf ("%s-rtl", window->priv->icon_name);
+ else
+ name = g_strdup_printf ("%s-ltr", window->priv->icon_name);
+ pixbuf = load_pixbuf (window, name, icon_size);
+ g_free (name);
+ if (pixbuf == NULL)
+ return FALSE;
+ }
+
+ gdk_cairo_set_source_pixbuf (cr, pixbuf, _x0, _y0);
+ cairo_paint_with_alpha (cr, MSD_OSD_WINDOW_FG_ALPHA);
+
+ g_object_unref (pixbuf);
+
+ return TRUE;
+}
+
+static void
+draw_action_custom (MsdMediaKeysWindow *window,
+ cairo_t *cr)
+{
+ int window_width;
+ int window_height;
+ double icon_box_width;
+ double icon_box_height;
+ double icon_box_x0;
+ double icon_box_y0;
+ double bright_box_x0;
+ double bright_box_y0;
+ double bright_box_width;
+ double bright_box_height;
+ gboolean res;
+
+ gtk_window_get_size (GTK_WINDOW (window), &window_width, &window_height);
+
+ icon_box_width = round (window_width * 0.65);
+ icon_box_height = round (window_height * 0.65);
+ bright_box_width = round (icon_box_width);
+ bright_box_height = round (window_height * 0.05);
+
+ icon_box_x0 = (window_width - icon_box_width) / 2;
+ icon_box_y0 = (window_height - icon_box_height - bright_box_height) / 2;
+ bright_box_x0 = round (icon_box_x0);
+ bright_box_y0 = round (icon_box_height + icon_box_y0);
+
+#if 0
+ g_message ("icon box: w=%f h=%f _x0=%f _y0=%f",
+ icon_box_width,
+ icon_box_height,
+ icon_box_x0,
+ icon_box_y0);
+ g_message ("brightness box: w=%f h=%f _x0=%f _y0=%f",
+ bright_box_width,
+ bright_box_height,
+ bright_box_x0,
+ bright_box_y0);
+#endif
+
+ res = render_custom (window,
+ cr,
+ icon_box_x0, icon_box_y0,
+ icon_box_width, icon_box_height);
+ if (! res && g_strcmp0 (window->priv->icon_name, "media-eject") == 0) {
+ /* draw eject symbol */
+ draw_eject (cr,
+ icon_box_x0, icon_box_y0,
+ icon_box_width, icon_box_height);
+ }
+
+ if (window->priv->show_level != FALSE) {
+ /* draw volume meter */
+ draw_volume_boxes (window,
+ cr,
+ (double)window->priv->volume_level / 100.0,
+ bright_box_x0,
+ bright_box_y0,
+ bright_box_width,
+ bright_box_height);
+ }
+}
+
+static void
+msd_media_keys_window_expose_when_composited (MsdOsdWindow *osd_window,
+ cairo_t *cr)
+{
+ MsdMediaKeysWindow *window = MSD_MEDIA_KEYS_WINDOW (osd_window);
+
+ switch (window->priv->action) {
+ case MSD_MEDIA_KEYS_WINDOW_ACTION_VOLUME:
+ draw_action_volume (window, cr);
+ break;
+ case MSD_MEDIA_KEYS_WINDOW_ACTION_CUSTOM:
+ draw_action_custom (window, cr);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+msd_media_keys_window_class_init (MsdMediaKeysWindowClass *klass)
+{
+ MsdOsdWindowClass *osd_window_class = MSD_OSD_WINDOW_CLASS (klass);
+
+ osd_window_class->expose_when_composited = msd_media_keys_window_expose_when_composited;
+
+ g_type_class_add_private (klass, sizeof (MsdMediaKeysWindowPrivate));
+}
+
+static void
+msd_media_keys_window_init (MsdMediaKeysWindow *window)
+{
+ GdkScreen *screen;
+
+ window->priv = MSD_MEDIA_KEYS_WINDOW_GET_PRIVATE (window);
+
+ screen = gtk_widget_get_screen (GTK_WIDGET (window));
+
+ if (!msd_osd_window_is_composited (MSD_OSD_WINDOW (window))) {
+ GtkBuilder *builder;
+ const gchar *objects[] = {"acme_box", NULL};
+ GtkWidget *box;
+
+ builder = gtk_builder_new ();
+ gtk_builder_add_objects_from_file (builder,
+ GTKBUILDERDIR "/acme.ui",
+ (char **) objects,
+ NULL);
+
+ window->priv->image = GTK_IMAGE (gtk_builder_get_object (builder, "acme_image"));
+ window->priv->progress = GTK_WIDGET (gtk_builder_get_object (builder, "acme_volume_progressbar"));
+ box = GTK_WIDGET (gtk_builder_get_object (builder, "acme_box"));
+
+ if (box != NULL) {
+ gtk_container_add (GTK_CONTAINER (window), box);
+ gtk_widget_show_all (box);
+ }
+
+ /* The builder needs to stay alive until the window
+ takes ownership of the box (and its children) */
+ g_object_unref (builder);
+ }
+}
+
+GtkWidget *
+msd_media_keys_window_new (void)
+{
+ return g_object_new (MSD_TYPE_MEDIA_KEYS_WINDOW, NULL);
+}