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gnome-control-center/shell/cc-window.c
Bastien Nocera 6cb6404e7e shell: Make the "home" button act as a "previous" button 
Keep history of the visited panels, when navigating between
them through links, or activated through the shell's menu items,
and go back to the overview when the history is empty.

https://bugzilla.gnome.org/show_bug.cgi?id=643322
2013-02-19 11:27:22 +01:00

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/*
* Copyright (c) 2009, 2010 Intel, Inc.
* Copyright (c) 2010 Red Hat, Inc.
*
* The Control Center 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.
*
* The Control Center 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 the Control Center; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author: Thomas Wood <thos@gnome.org>
*/
#include <config.h>
#include "cc-window.h"
#include <glib/gi18n.h>
#include <gio/gio.h>
#include <gio/gdesktopappinfo.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include <gdk/gdkx.h>
#include <string.h>
#include <libgd/gd-styled-text-renderer.h>
#include <libgd/gd-header-bar.h>
#include "cc-panel.h"
#include "cc-shell.h"
#include "cc-shell-category-view.h"
#include "cc-shell-model.h"
#include "cc-panel-loader.h"
#include "cc-util.h"
static void cc_shell_iface_init (CcShellInterface *iface);
G_DEFINE_TYPE_WITH_CODE (CcWindow, cc_window, GTK_TYPE_APPLICATION_WINDOW,
G_IMPLEMENT_INTERFACE (CC_TYPE_SHELL, cc_shell_iface_init))
#define WINDOW_PRIVATE(o) \
(G_TYPE_INSTANCE_GET_PRIVATE ((o), CC_TYPE_WINDOW, CcWindowPrivate))
/* Use a fixed width for the shell, since resizing horizontally is more awkward
* for the user than resizing vertically
* Both sizes are defined in https://live.gnome.org/Design/SystemSettings/ */
#define FIXED_WIDTH 740
#define FIXED_HEIGHT 636
#define SMALL_SCREEN_FIXED_HEIGHT 400
#define MIN_ICON_VIEW_HEIGHT 300
#define DEFAULT_WINDOW_TITLE N_("Settings")
#define DEFAULT_WINDOW_ICON_NAME "preferences-desktop"
typedef enum {
SMALL_SCREEN_UNSET,
SMALL_SCREEN_TRUE,
SMALL_SCREEN_FALSE
} CcSmallScreen;
struct _CcWindowPrivate
{
GtkWidget *notebook;
GtkWidget *header;
GtkWidget *main_vbox;
GtkWidget *scrolled_window;
GtkWidget *search_scrolled;
GtkWidget *previous_button;
GtkWidget *top_right_box;
GtkWidget *search_entry;
GtkWidget *lock_button;
GtkWidget *current_panel_box;
GtkWidget *current_panel;
char *current_panel_id;
GQueue *previous_panels;
GPtrArray *custom_widgets;
GtkListStore *store;
GtkTreeModel *search_filter;
GtkWidget *search_view;
gchar *filter_string;
CcPanel *active_panel;
int monitor_num;
CcSmallScreen small_screen;
};
enum
{
PROP_0,
PROP_ACTIVE_PANEL
};
static gboolean cc_window_set_active_panel_from_id (CcShell *shell,
const gchar *start_id,
const gchar **argv,
GError **err);
/* Notebook helpers */
static GtkWidget *
notebook_get_selected_page (GtkWidget *notebook)
{
int curr;
curr = gtk_notebook_get_current_page (GTK_NOTEBOOK (notebook));
if (curr == -1)
return NULL;
return gtk_notebook_get_nth_page (GTK_NOTEBOOK (notebook), curr);
}
static void
notebook_select_page (GtkWidget *notebook,
GtkWidget *page)
{
int i, num;
num = gtk_notebook_get_n_pages (GTK_NOTEBOOK (notebook));
for (i = 0; i < num; i++)
{
if (gtk_notebook_get_nth_page (GTK_NOTEBOOK (notebook), i) == page)
{
gtk_notebook_set_current_page (GTK_NOTEBOOK (notebook), i);
return;
}
}
g_warning ("Couldn't select GtkNotebook page %p", page);
}
static void
notebook_remove_page (GtkWidget *notebook,
GtkWidget *page)
{
int i, num;
num = gtk_notebook_get_n_pages (GTK_NOTEBOOK (notebook));
for (i = 0; i < num; i++)
{
if (gtk_notebook_get_nth_page (GTK_NOTEBOOK (notebook), i) == page)
{
gtk_notebook_remove_page (GTK_NOTEBOOK (notebook), i);
return;
}
}
g_warning ("Couldn't find GtkNotebook page to remove %p", page);
}
static void
notebook_add_page (GtkWidget *notebook,
GtkWidget *page)
{
gtk_notebook_append_page (GTK_NOTEBOOK (notebook), page, NULL);
}
static const gchar *
get_icon_name_from_g_icon (GIcon *gicon)
{
const gchar * const *names;
GtkIconTheme *icon_theme;
int i;
if (!G_IS_THEMED_ICON (gicon))
return NULL;
names = g_themed_icon_get_names (G_THEMED_ICON (gicon));
icon_theme = gtk_icon_theme_get_default ();
for (i = 0; names[i] != NULL; i++)
{
if (gtk_icon_theme_has_icon (icon_theme, names[i]))
return names[i];
}
return NULL;
}
static gboolean
activate_panel (CcWindow *self,
const gchar *id,
const gchar **argv,
const gchar *name,
GIcon *gicon)
{
CcWindowPrivate *priv = self->priv;
GtkWidget *box;
const gchar *icon_name;
if (!id)
return FALSE;
priv->current_panel = GTK_WIDGET (cc_panel_loader_load_by_name (CC_SHELL (self), id, argv));
cc_shell_set_active_panel (CC_SHELL (self), CC_PANEL (priv->current_panel));
gtk_widget_show (priv->current_panel);
gtk_lock_button_set_permission (GTK_LOCK_BUTTON (priv->lock_button),
cc_panel_get_permission (CC_PANEL (priv->current_panel)));
box = gtk_alignment_new (0, 0, 1, 1);
gtk_container_add (GTK_CONTAINER (box), priv->current_panel);
gtk_widget_set_name (box, id);
notebook_add_page (priv->notebook, box);
/* switch to the new panel */
gtk_widget_show (box);
notebook_select_page (priv->notebook, box);
/* set the title of the window */
icon_name = get_icon_name_from_g_icon (gicon);
gtk_window_set_role (GTK_WINDOW (self), id);
gd_header_bar_set_title (GD_HEADER_BAR (priv->header), name);
gtk_window_set_default_icon_name (icon_name);
gtk_window_set_icon_name (GTK_WINDOW (self), icon_name);
priv->current_panel_box = box;
return TRUE;
}
static void
_shell_remove_all_custom_widgets (CcWindowPrivate *priv)
{
GtkWidget *widget;
guint i;
/* remove from the header */
for (i = 0; i < priv->custom_widgets->len; i++)
{
widget = g_ptr_array_index (priv->custom_widgets, i);
gtk_container_remove (GTK_CONTAINER (priv->top_right_box), widget);
}
g_ptr_array_set_size (priv->custom_widgets, 0);
}
static void
add_current_panel_to_history (CcShell *shell,
const char *start_id)
{
CcWindowPrivate *priv;
g_return_if_fail (start_id != NULL);
priv = CC_WINDOW (shell)->priv;
if (!priv->current_panel_id ||
g_strcmp0 (priv->current_panel_id, start_id) == 0)
return;
g_queue_push_head (priv->previous_panels, g_strdup (priv->current_panel_id));
g_debug ("Added '%s' to the previous panels", priv->current_panel_id);
}
static void
shell_show_overview_page (CcWindow *self)
{
CcWindowPrivate *priv = self->priv;
notebook_select_page (priv->notebook, priv->scrolled_window);
if (priv->current_panel_box)
notebook_remove_page (priv->notebook, priv->current_panel_box);
priv->current_panel = NULL;
priv->current_panel_box = NULL;
g_clear_pointer (&priv->current_panel_id, g_free);
/* Clear the panel history */
g_queue_free_full (self->priv->previous_panels, g_free);
self->priv->previous_panels = g_queue_new ();
/* clear the search text */
g_free (priv->filter_string);
priv->filter_string = g_strdup ("");
gtk_entry_set_text (GTK_ENTRY (priv->search_entry), "");
gtk_widget_grab_focus (priv->search_entry);
gtk_lock_button_set_permission (GTK_LOCK_BUTTON (priv->lock_button), NULL);
/* reset window title and icon */
gtk_window_set_role (GTK_WINDOW (self), NULL);
gd_header_bar_set_title (GD_HEADER_BAR (priv->header), NULL);
gtk_window_set_default_icon_name (DEFAULT_WINDOW_ICON_NAME);
gtk_window_set_icon_name (GTK_WINDOW (self), DEFAULT_WINDOW_ICON_NAME);
cc_shell_set_active_panel (CC_SHELL (self), NULL);
/* clear any custom widgets */
_shell_remove_all_custom_widgets (priv);
}
void
cc_window_set_overview_page (CcWindow *center)
{
shell_show_overview_page (center);
}
void
cc_window_set_search_item (CcWindow *center,
const char *search)
{
shell_show_overview_page (center);
gtk_entry_set_text (GTK_ENTRY (center->priv->search_entry), search);
gtk_editable_set_position (GTK_EDITABLE (center->priv->search_entry), -1);
}
static void
item_activated_cb (CcShellCategoryView *view,
gchar *name,
gchar *id,
CcWindow *shell)
{
cc_window_set_active_panel_from_id (CC_SHELL (shell), id, NULL, NULL);
}
static gboolean
category_focus_out (GtkWidget *view,
GdkEventFocus *event,
CcWindow *shell)
{
gtk_icon_view_unselect_all (GTK_ICON_VIEW (view));
return FALSE;
}
static gboolean
category_focus_in (GtkWidget *view,
GdkEventFocus *event,
CcWindow *shell)
{
GtkTreePath *path;
if (!gtk_icon_view_get_cursor (GTK_ICON_VIEW (view), &path, NULL))
{
path = gtk_tree_path_new_from_indices (0, -1);
gtk_icon_view_set_cursor (GTK_ICON_VIEW (view), path, NULL, FALSE);
}
gtk_icon_view_select_path (GTK_ICON_VIEW (view), path);
gtk_tree_path_free (path);
return FALSE;
}
static GList *
get_item_views (CcWindow *shell)
{
GList *list, *l;
GList *res;
list = gtk_container_get_children (GTK_CONTAINER (shell->priv->main_vbox));
res = NULL;
for (l = list; l; l = l->next)
{
if (!CC_IS_SHELL_CATEGORY_VIEW (l->data))
continue;
res = g_list_append (res, cc_shell_category_view_get_item_view (CC_SHELL_CATEGORY_VIEW (l->data)));
}
g_list_free (list);
return res;
}
static gboolean
is_prev_direction (GtkWidget *widget,
GtkDirectionType direction)
{
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR &&
direction == GTK_DIR_LEFT)
return TRUE;
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL &&
direction == GTK_DIR_RIGHT)
return TRUE;
return FALSE;
}
static gboolean
is_next_direction (GtkWidget *widget,
GtkDirectionType direction)
{
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR &&
direction == GTK_DIR_RIGHT)
return TRUE;
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL &&
direction == GTK_DIR_LEFT)
return TRUE;
return FALSE;
}
static GtkTreePath *
get_first_path (GtkIconView *view)
{
GtkTreeModel *model;
GtkTreeIter iter;
model = gtk_icon_view_get_model (view);
if (!gtk_tree_model_get_iter_first (model, &iter))
return NULL;
return gtk_tree_model_get_path (model, &iter);
}
static GtkTreePath *
get_last_path (GtkIconView *view)
{
GtkTreeModel *model;
GtkTreeIter iter;
GtkTreePath *path;
gboolean ret;
model = gtk_icon_view_get_model (view);
if (!gtk_tree_model_get_iter_first (model, &iter))
return NULL;
ret = TRUE;
path = NULL;
while (ret)
{
g_clear_pointer (&path, gtk_tree_path_free);
path = gtk_tree_model_get_path (model, &iter);
ret = gtk_tree_model_iter_next (model, &iter);
}
return path;
}
static gboolean
categories_keynav_failed (GtkIconView *current_view,
GtkDirectionType direction,
CcWindow *shell)
{
GList *views, *v;
GtkIconView *new_view;
GtkTreePath *path;
GtkTreeModel *model;
GtkTreeIter iter;
gint col, c, dist, d;
GtkTreePath *sel;
gboolean res;
res = FALSE;
views = get_item_views (shell);
for (v = views; v; v = v->next)
{
if (v->data == current_view)
break;
}
new_view = NULL;
if (direction == GTK_DIR_DOWN && v != NULL && v->next != NULL)
{
new_view = v->next->data;
if (gtk_icon_view_get_cursor (current_view, &path, NULL))
{
col = gtk_icon_view_get_item_column (current_view, path);
gtk_tree_path_free (path);
sel = NULL;
dist = 1000;
model = gtk_icon_view_get_model (new_view);
gtk_tree_model_get_iter_first (model, &iter);
do {
path = gtk_tree_model_get_path (model, &iter);
c = gtk_icon_view_get_item_column (new_view, path);
d = ABS (c - col);
if (d < dist)
{
if (sel)
gtk_tree_path_free (sel);
sel = path;
dist = d;
}
else
gtk_tree_path_free (path);
} while (gtk_tree_model_iter_next (model, &iter));
gtk_icon_view_set_cursor (new_view, sel, NULL, FALSE);
gtk_tree_path_free (sel);
}
gtk_widget_grab_focus (GTK_WIDGET (new_view));
res = TRUE;
}
if (direction == GTK_DIR_UP && v != NULL && v->prev != NULL)
{
new_view = v->prev->data;
if (gtk_icon_view_get_cursor (current_view, &path, NULL))
{
col = gtk_icon_view_get_item_column (current_view, path);
gtk_tree_path_free (path);
sel = NULL;
dist = 1000;
model = gtk_icon_view_get_model (new_view);
gtk_tree_model_get_iter_first (model, &iter);
do {
path = gtk_tree_model_get_path (model, &iter);
c = gtk_icon_view_get_item_column (new_view, path);
d = ABS (c - col);
if (d <= dist)
{
if (sel)
gtk_tree_path_free (sel);
sel = path;
dist = d;
}
else
gtk_tree_path_free (path);
} while (gtk_tree_model_iter_next (model, &iter));
gtk_icon_view_set_cursor (new_view, sel, NULL, FALSE);
gtk_tree_path_free (sel);
}
gtk_widget_grab_focus (GTK_WIDGET (new_view));
res = TRUE;
}
if (is_prev_direction (GTK_WIDGET (current_view), direction) && v != NULL)
{
if (gtk_icon_view_get_cursor (current_view, &path, NULL))
{
if (v->prev)
new_view = v->prev->data;
if (gtk_tree_path_prev (path))
{
new_view = current_view;
}
else if (new_view != NULL)
{
path = get_last_path (new_view);
}
else
{
goto out;
}
gtk_icon_view_set_cursor (new_view, path, NULL, FALSE);
gtk_icon_view_select_path (new_view, path);
gtk_tree_path_free (path);
gtk_widget_grab_focus (GTK_WIDGET (new_view));
res = TRUE;
}
}
if (is_next_direction (GTK_WIDGET (current_view), direction) && v != NULL)
{
if (gtk_icon_view_get_cursor (current_view, &path, NULL))
{
GtkTreeIter iter;
if (v->next)
new_view = v->next->data;
gtk_tree_path_next (path);
model = gtk_icon_view_get_model (current_view);
if (gtk_tree_model_get_iter (model, &iter, path))
{
new_view = current_view;
}
else if (new_view != NULL)
{
path = get_first_path (new_view);
}
else
{
goto out;
}
gtk_icon_view_set_cursor (new_view, path, NULL, FALSE);
gtk_icon_view_select_path (new_view, path);
gtk_tree_path_free (path);
gtk_widget_grab_focus (GTK_WIDGET (new_view));
res = TRUE;
}
}
out:
g_list_free (views);
return res;
}
static gboolean
model_filter_func (GtkTreeModel *model,
GtkTreeIter *iter,
CcWindowPrivate *priv)
{
if (!priv->filter_string)
return FALSE;
return cc_shell_model_iter_matches_search (CC_SHELL_MODEL (model),
iter,
priv->filter_string);
}
static gboolean
category_filter_func (GtkTreeModel *model,
GtkTreeIter *iter,
CcPanelCategory filter)
{
guint category;
gtk_tree_model_get (model, iter, COL_CATEGORY, &category, -1);
return (category == filter);
}
static void
search_entry_changed_cb (GtkEntry *entry,
CcWindow *center)
{
CcWindowPrivate *priv = center->priv;
char *str;
/* if the entry text was set manually (not by the user) */
if (!g_strcmp0 (priv->filter_string, gtk_entry_get_text (entry)))
return;
/* Don't re-filter for added trailing or leading spaces */
str = cc_util_normalize_casefold_and_unaccent (gtk_entry_get_text (entry));
g_strstrip (str);
if (!g_strcmp0 (str, priv->filter_string))
{
g_free (str);
return;
}
g_free (priv->filter_string);
priv->filter_string = str;
if (!g_strcmp0 (priv->filter_string, ""))
{
shell_show_overview_page (center);
}
else
{
gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (priv->search_filter));
notebook_select_page (priv->notebook, priv->search_scrolled);
}
}
static gboolean
search_entry_key_press_event_cb (GtkEntry *entry,
GdkEventKey *event,
CcWindow *self)
{
CcWindowPrivate *priv = self->priv;
if (event->keyval == GDK_KEY_Return)
{
GtkTreePath *path;
GtkTreeSelection *selection;
path = gtk_tree_path_new_first ();
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (self->priv->search_view));
gtk_tree_selection_select_path (selection, path);
if (!gtk_tree_selection_path_is_selected (selection, path))
{
gtk_tree_path_free (path);
return FALSE;
}
gtk_tree_view_row_activated (GTK_TREE_VIEW (priv->search_view), path,
gtk_tree_view_get_column (GTK_TREE_VIEW (self->priv->search_view), 0));
gtk_tree_path_free (path);
return TRUE;
}
if (event->keyval == GDK_KEY_Escape)
{
gtk_entry_set_text (entry, "");
return TRUE;
}
return FALSE;
}
static void
on_search_row_activated (GtkTreeView *treeview,
GtkTreePath *path,
GtkTreeViewColumn *column,
CcWindow *shell)
{
GtkTreeSelection *selection;
GtkTreeModel *model;
GtkTreeIter iter;
char *id = NULL;
selection = gtk_tree_view_get_selection (treeview);
if (!gtk_tree_selection_get_selected (selection, &model, &iter))
return;
gtk_tree_model_get (model, &iter,
COL_ID, &id,
-1);
if (id)
cc_window_set_active_panel_from_id (CC_SHELL (shell), id, NULL, NULL);
gtk_tree_selection_unselect_all (selection);
g_free (id);
}
static gboolean
on_search_button_press_event (GtkTreeView *treeview,
GdkEventButton *event,
CcWindow *shell)
{
if (event->type == GDK_BUTTON_PRESS && event->button == 1)
{
GtkTreePath *path = NULL;
GtkTreeSelection *selection;
GtkTreeModel *model;
GtkTreeIter iter;
/* We don't check for the position being blank,
* it could be the dead space between columns */
gtk_tree_view_is_blank_at_pos (treeview,
event->x, event->y,
&path,
NULL,
NULL,
NULL);
if (path == NULL)
return FALSE;
model = gtk_tree_view_get_model (treeview);
if (gtk_tree_model_get_iter (model, &iter, path) == FALSE)
{
gtk_tree_path_free (path);
return FALSE;
}
selection = gtk_tree_view_get_selection (treeview);
gtk_tree_selection_select_iter (selection, &iter);
on_search_row_activated (treeview, NULL, NULL, shell);
gtk_tree_path_free (path);
return TRUE;
}
return FALSE;
}
static void
setup_search (CcWindow *shell)
{
GtkWidget *search_view;
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
CcWindowPrivate *priv = shell->priv;
g_return_if_fail (priv->store != NULL);
/* create the search filter */
priv->search_filter = gtk_tree_model_filter_new (GTK_TREE_MODEL (priv->store),
NULL);
gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (priv->search_filter),
(GtkTreeModelFilterVisibleFunc)
model_filter_func,
priv, NULL);
/* set up the search view */
priv->search_view = search_view = gtk_tree_view_new ();
gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (search_view), FALSE);
gtk_tree_view_set_model (GTK_TREE_VIEW (search_view),
GTK_TREE_MODEL (priv->search_filter));
renderer = gtk_cell_renderer_pixbuf_new ();
g_object_set (renderer,
"xpad", 15,
"ypad", 10,
"stock-size", GTK_ICON_SIZE_DIALOG,
NULL);
column = gtk_tree_view_column_new_with_attributes ("Icon", renderer,
"gicon", COL_GICON,
NULL);
gtk_tree_view_column_set_expand (column, FALSE);
gtk_tree_view_append_column (GTK_TREE_VIEW (priv->search_view), column);
renderer = gtk_cell_renderer_text_new ();
g_object_set (renderer,
"xpad", 0,
NULL);
column = gtk_tree_view_column_new_with_attributes ("Name", renderer,
"text", COL_NAME,
NULL);
gtk_tree_view_column_set_expand (column, FALSE);
gtk_tree_view_append_column (GTK_TREE_VIEW (priv->search_view), column);
renderer = gd_styled_text_renderer_new ();
gd_styled_text_renderer_add_class (GD_STYLED_TEXT_RENDERER (renderer), "dim-label");
g_object_set (renderer,
"xpad", 15,
NULL);
column = gtk_tree_view_column_new_with_attributes ("Description", renderer,
"text", COL_DESCRIPTION,
NULL);
gtk_tree_view_column_set_expand (column, TRUE);
gtk_tree_view_append_column (GTK_TREE_VIEW (priv->search_view), column);
gtk_container_add (GTK_CONTAINER (priv->search_scrolled), search_view);
g_signal_connect (priv->search_view, "row-activated",
G_CALLBACK (on_search_row_activated), shell);
g_signal_connect (priv->search_view, "button-press-event",
G_CALLBACK (on_search_button_press_event), shell);
priv->filter_string = g_strdup ("");
gtk_widget_show (priv->search_view);
}
static void
add_category_view (CcWindow *shell,
CcPanelCategory category,
const char *name)
{
GtkTreeModel *filter;
GtkWidget *categoryview;
if (category > 0)
{
GtkWidget *separator;
separator = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL);
gtk_widget_set_margin_top (separator, 11);
gtk_widget_set_margin_bottom (separator, 10);
gtk_box_pack_start (GTK_BOX (shell->priv->main_vbox), separator, FALSE, FALSE, 0);
gtk_widget_show (separator);
}
/* create new category view for this category */
filter = gtk_tree_model_filter_new (GTK_TREE_MODEL (shell->priv->store),
NULL);
gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (filter),
(GtkTreeModelFilterVisibleFunc) category_filter_func,
GINT_TO_POINTER (category), NULL);
categoryview = cc_shell_category_view_new (name, filter);
gtk_box_pack_start (GTK_BOX (shell->priv->main_vbox), categoryview, FALSE, TRUE, 0);
g_signal_connect (cc_shell_category_view_get_item_view (CC_SHELL_CATEGORY_VIEW (categoryview)),
"desktop-item-activated",
G_CALLBACK (item_activated_cb), shell);
gtk_widget_show (categoryview);
g_signal_connect (cc_shell_category_view_get_item_view (CC_SHELL_CATEGORY_VIEW (categoryview)),
"focus-in-event",
G_CALLBACK (category_focus_in), shell);
g_signal_connect (cc_shell_category_view_get_item_view (CC_SHELL_CATEGORY_VIEW (categoryview)),
"focus-out-event",
G_CALLBACK (category_focus_out), shell);
g_signal_connect (cc_shell_category_view_get_item_view (CC_SHELL_CATEGORY_VIEW (categoryview)),
"keynav-failed",
G_CALLBACK (categories_keynav_failed), shell);
}
static void
setup_model (CcWindow *shell)
{
CcWindowPrivate *priv = shell->priv;
priv->store = (GtkListStore *) cc_shell_model_new ();
/* Add categories */
add_category_view (shell, CC_CATEGORY_PERSONAL, C_("category", "Personal"));
add_category_view (shell, CC_CATEGORY_HARDWARE, C_("category", "Hardware"));
add_category_view (shell, CC_CATEGORY_SYSTEM, C_("category", "System"));
cc_panel_loader_fill_model (CC_SHELL_MODEL (shell->priv->store));
}
static void
previous_button_clicked_cb (GtkButton *button,
CcWindow *shell)
{
g_debug ("Num previous panels? %d", g_queue_get_length (shell->priv->previous_panels));
if (g_queue_is_empty (shell->priv->previous_panels)) {
shell_show_overview_page (shell);
} else {
char *panel_name;
panel_name = g_queue_pop_head (shell->priv->previous_panels);
g_debug ("About to go to previous panel '%s'", panel_name);
cc_window_set_active_panel_from_id (CC_SHELL (shell), panel_name, NULL, NULL);
g_free (panel_name);
}
}
static void
notebook_page_notify_cb (GtkNotebook *notebook,
GParamSpec *spec,
CcWindow *self)
{
CcWindowPrivate *priv = self->priv;
int nat_height;
GtkWidget *child;
child = notebook_get_selected_page (GTK_WIDGET (notebook));
/* make sure the home button is shown on all pages except the overview page */
if (child == priv->scrolled_window || child == priv->search_scrolled)
{
gtk_widget_hide (priv->previous_button);
gtk_widget_show (priv->search_entry);
gtk_widget_hide (priv->lock_button);
gtk_widget_get_preferred_height_for_width (GTK_WIDGET (priv->main_vbox),
FIXED_WIDTH, NULL, &nat_height);
gtk_scrolled_window_set_min_content_height (GTK_SCROLLED_WINDOW (priv->scrolled_window),
priv->small_screen == SMALL_SCREEN_TRUE ? SMALL_SCREEN_FIXED_HEIGHT : nat_height);
}
else
{
gtk_widget_show (priv->previous_button);
gtk_widget_hide (priv->search_entry);
/* set the scrolled window small so that it doesn't force
the window to be larger than this panel */
gtk_widget_get_preferred_height_for_width (GTK_WIDGET (self),
FIXED_WIDTH, NULL, &nat_height);
gtk_scrolled_window_set_min_content_height (GTK_SCROLLED_WINDOW (priv->scrolled_window), MIN_ICON_VIEW_HEIGHT);
gtk_window_resize (GTK_WINDOW (self),
FIXED_WIDTH,
nat_height);
}
}
/* CcShell implementation */
static void
_shell_embed_widget_in_header (CcShell *shell,
GtkWidget *widget)
{
CcWindowPrivate *priv = CC_WINDOW (shell)->priv;
/* add to header */
gtk_box_pack_end (GTK_BOX (priv->top_right_box), widget, FALSE, FALSE, 0);
g_ptr_array_add (priv->custom_widgets, g_object_ref (widget));
}
/* CcShell implementation */
static gboolean
cc_window_set_active_panel_from_id (CcShell *shell,
const gchar *start_id,
const gchar **argv,
GError **err)
{
GtkTreeIter iter;
gboolean iter_valid;
gchar *name = NULL;
GIcon *gicon = NULL;
CcWindowPrivate *priv = CC_WINDOW (shell)->priv;
GtkWidget *old_panel;
/* When loading the same panel again, just set the argv */
if (g_strcmp0 (priv->current_panel_id, start_id) == 0)
{
g_object_set (G_OBJECT (priv->current_panel), "argv", argv, NULL);
return TRUE;
}
/* clear any custom widgets */
_shell_remove_all_custom_widgets (priv);
iter_valid = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (priv->store),
&iter);
/* find the details for this item */
while (iter_valid)
{
gchar *id;
gtk_tree_model_get (GTK_TREE_MODEL (priv->store), &iter,
COL_NAME, &name,
COL_GICON, &gicon,
COL_ID, &id,
-1);
if (id && !strcmp (id, start_id))
{
g_free (id);
break;
}
else
{
g_free (id);
g_free (name);
if (gicon)
g_object_unref (gicon);
name = NULL;
id = NULL;
gicon = NULL;
}
iter_valid = gtk_tree_model_iter_next (GTK_TREE_MODEL (priv->store),
&iter);
}
old_panel = priv->current_panel_box;
if (!name)
{
g_warning ("Could not find settings panel \"%s\"", start_id);
}
else if (activate_panel (CC_WINDOW (shell), start_id, argv,
name, gicon) == FALSE)
{
/* Failed to activate the panel for some reason,
* let's keep the old panel around instead */
}
else
{
/* Successful activation */
g_free (priv->current_panel_id);
priv->current_panel_id = g_strdup (start_id);
if (old_panel)
notebook_remove_page (priv->notebook, old_panel);
}
g_free (name);
if (gicon)
g_object_unref (gicon);
return TRUE;
}
static gboolean
_shell_set_active_panel_from_id (CcShell *shell,
const gchar *start_id,
const gchar **argv,
GError **err)
{
add_current_panel_to_history (shell, start_id);
return cc_window_set_active_panel_from_id (shell, start_id, argv, err);
}
static GtkWidget *
_shell_get_toplevel (CcShell *shell)
{
return GTK_WIDGET (shell);
}
/* GObject Implementation */
static void
cc_window_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
CcWindowPrivate *priv = CC_WINDOW (object)->priv;
switch (property_id)
{
case PROP_ACTIVE_PANEL:
g_value_set_object (value, priv->active_panel);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
set_active_panel (CcWindow *shell,
CcPanel *panel)
{
g_return_if_fail (CC_IS_SHELL (shell));
g_return_if_fail (panel == NULL || CC_IS_PANEL (panel));
if (panel != shell->priv->active_panel)
{
/* remove the old panel */
g_clear_object (&shell->priv->active_panel);
/* set the new panel */
if (panel)
{
shell->priv->active_panel = g_object_ref (panel);
}
g_object_notify (G_OBJECT (shell), "active-panel");
}
}
static void
cc_window_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
CcWindow *shell = CC_WINDOW (object);
switch (property_id)
{
case PROP_ACTIVE_PANEL:
set_active_panel (shell, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
cc_window_dispose (GObject *object)
{
CcWindowPrivate *priv = CC_WINDOW (object)->priv;
g_free (priv->current_panel_id);
priv->current_panel_id = NULL;
if (priv->custom_widgets)
{
g_ptr_array_unref (priv->custom_widgets);
priv->custom_widgets = NULL;
}
g_clear_object (&priv->store);
g_clear_object (&priv->search_filter);
g_clear_object (&priv->active_panel);
if (priv->previous_panels)
{
g_queue_free_full (priv->previous_panels, g_free);
priv->previous_panels = NULL;
}
G_OBJECT_CLASS (cc_window_parent_class)->dispose (object);
}
static void
cc_window_finalize (GObject *object)
{
CcWindowPrivate *priv = CC_WINDOW (object)->priv;
g_free (priv->filter_string);
G_OBJECT_CLASS (cc_window_parent_class)->finalize (object);
}
static void
cc_shell_iface_init (CcShellInterface *iface)
{
iface->set_active_panel_from_id = _shell_set_active_panel_from_id;
iface->embed_widget_in_header = _shell_embed_widget_in_header;
iface->get_toplevel = _shell_get_toplevel;
}
static void
cc_window_class_init (CcWindowClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (klass, sizeof (CcWindowPrivate));
object_class->get_property = cc_window_get_property;
object_class->set_property = cc_window_set_property;
object_class->dispose = cc_window_dispose;
object_class->finalize = cc_window_finalize;
g_object_class_override_property (object_class, PROP_ACTIVE_PANEL, "active-panel");
}
static gboolean
window_key_press_event (GtkWidget *win,
GdkEventKey *event,
CcWindow *self)
{
GdkKeymap *keymap;
gboolean retval;
GdkModifierType state;
if (event->state == 0)
return FALSE;
retval = FALSE;
state = event->state;
keymap = gdk_keymap_get_default ();
gdk_keymap_add_virtual_modifiers (keymap, &state);
state = state & gtk_accelerator_get_default_mod_mask ();
if (state == GDK_CONTROL_MASK)
{
switch (event->keyval)
{
case GDK_KEY_s:
case GDK_KEY_S:
case GDK_KEY_f:
case GDK_KEY_F:
if (gtk_widget_get_visible (self->priv->search_entry))
{
gtk_widget_grab_focus (self->priv->search_entry);
retval = TRUE;
}
break;
case GDK_KEY_Q:
case GDK_KEY_q:
gtk_widget_destroy (GTK_WIDGET (self));
retval = TRUE;
break;
case GDK_KEY_W:
case GDK_KEY_w:
if (notebook_get_selected_page (self->priv->notebook) != self->priv->scrolled_window)
shell_show_overview_page (self);
retval = TRUE;
break;
}
}
else if ((state == GDK_MOD1_MASK && event->keyval == GDK_KEY_Up) ||
event->keyval == GDK_KEY_Back)
{
if (notebook_get_selected_page (self->priv->notebook) != self->priv->scrolled_window)
shell_show_overview_page (self);
retval = TRUE;
}
return retval;
}
static gint
get_monitor_height (CcWindow *self)
{
GdkScreen *screen;
GdkRectangle rect;
/* We cannot use workarea here, as this wouldn't
* be updated when we read it after a monitors-changed signal */
screen = gtk_widget_get_screen (GTK_WIDGET (self));
gdk_screen_get_monitor_geometry (screen, self->priv->monitor_num, &rect);
return rect.height;
}
static gboolean
update_monitor_number (CcWindow *self)
{
gboolean changed = FALSE;
GtkWidget *widget;
GdkScreen *screen;
GdkWindow *window;
int monitor;
widget = GTK_WIDGET (self);
window = gtk_widget_get_window (widget);
screen = gtk_widget_get_screen (widget);
monitor = gdk_screen_get_monitor_at_window (screen, window);
if (self->priv->monitor_num != monitor)
{
self->priv->monitor_num = monitor;
changed = TRUE;
}
return changed;
}
static CcSmallScreen
is_small (CcWindow *self)
{
if (get_monitor_height (self) <= FIXED_HEIGHT)
return SMALL_SCREEN_TRUE;
return SMALL_SCREEN_FALSE;
}
static void
update_small_screen_settings (CcWindow *self)
{
CcSmallScreen small;
update_monitor_number (self);
small = is_small (self);
if (small == SMALL_SCREEN_TRUE)
{
gtk_window_set_resizable (GTK_WINDOW (self), TRUE);
if (self->priv->small_screen != small)
gtk_window_maximize (GTK_WINDOW (self));
}
else
{
if (self->priv->small_screen != small)
gtk_window_unmaximize (GTK_WINDOW (self));
gtk_window_set_resizable (GTK_WINDOW (self), FALSE);
}
self->priv->small_screen = small;
/* And update the minimum sizes */
notebook_page_notify_cb (GTK_NOTEBOOK (self->priv->notebook), NULL, self);
}
static gboolean
main_window_configure_cb (GtkWidget *widget,
GdkEvent *event,
CcWindow *self)
{
update_small_screen_settings (self);
return FALSE;
}
static void
application_set_cb (GObject *object,
GParamSpec *pspec,
CcWindow *self)
{
/* update small screen settings now - to avoid visible resizing, we want
* to do it before showing the window, and GtkApplicationWindow cannot be
* realized unless its application property has been set */
if (gtk_window_get_application (GTK_WINDOW (self)))
{
gtk_widget_realize (GTK_WIDGET (self));
update_small_screen_settings (self);
}
}
static void
monitors_changed_cb (GdkScreen *screen,
CcWindow *self)
{
/* We reset small_screen_set to make sure that the
* window gets maximised if need be, in update_small_screen_settings() */
self->priv->small_screen = SMALL_SCREEN_UNSET;
update_small_screen_settings (self);
}
static void
gdk_window_set_cb (GObject *object,
GParamSpec *pspec,
CcWindow *self)
{
GdkWindow *window;
gchar *str;
if (!GDK_IS_X11_DISPLAY (gdk_display_get_default ()))
return;
window = gtk_widget_get_window (GTK_WIDGET (self));
if (!window)
return;
str = g_strdup_printf ("%u", (guint) GDK_WINDOW_XID (window));
g_setenv ("GNOME_CONTROL_CENTER_XID", str, TRUE);
g_free (str);
}
static void
create_main_page (CcWindow *self)
{
CcWindowPrivate *priv = self->priv;
GtkStyleContext *context;
priv->scrolled_window = gtk_scrolled_window_new (NULL, NULL);
context = gtk_widget_get_style_context (priv->scrolled_window);
gtk_style_context_add_class (context, "view");
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->scrolled_window),
GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
gtk_notebook_append_page (GTK_NOTEBOOK (priv->notebook), priv->scrolled_window, NULL);
priv->main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_widget_set_margin_top (priv->main_vbox, 8);
gtk_widget_set_margin_bottom (priv->main_vbox, 8);
gtk_widget_set_margin_left (priv->main_vbox, 12);
gtk_widget_set_margin_right (priv->main_vbox, 12);
gtk_container_set_focus_vadjustment (GTK_CONTAINER (priv->main_vbox),
gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->scrolled_window)));
gtk_container_add (GTK_CONTAINER (priv->scrolled_window), priv->main_vbox);
gtk_widget_set_size_request (priv->scrolled_window, FIXED_WIDTH, -1);
/* load the available settings panels */
setup_model (self);
}
static void
create_search_page (CcWindow *self)
{
CcWindowPrivate *priv = self->priv;
priv->search_scrolled = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->search_scrolled),
GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
gtk_notebook_append_page (GTK_NOTEBOOK (priv->notebook), priv->search_scrolled, NULL);
/* setup search functionality */
setup_search (self);
}
static void
create_header (CcWindow *self)
{
CcWindowPrivate *priv = self->priv;
GtkWidget *button;
GtkWidget *image;
AtkObject *accessible;
GtkStyleContext *context;
priv->header = gd_header_bar_new ();
image = gtk_image_new_from_icon_name ("go-previous-symbolic", GTK_ICON_SIZE_MENU);
gtk_widget_show (image);
priv->previous_button = button = gtk_button_new ();
gtk_button_set_image (GTK_BUTTON (button), image);
gtk_widget_set_no_show_all (button, TRUE);
accessible = gtk_widget_get_accessible (button);
atk_object_set_name (accessible, _("All Settings"));
gd_header_bar_pack_start (GD_HEADER_BAR (priv->header), button);
g_signal_connect (button, "clicked", G_CALLBACK (previous_button_clicked_cb), self);
context = gtk_widget_get_style_context (priv->previous_button);
gtk_style_context_add_class (context, "image-button");
priv->top_right_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gd_header_bar_pack_end (GD_HEADER_BAR (priv->header), priv->top_right_box);
priv->search_entry = gtk_search_entry_new ();
gtk_container_add (GTK_CONTAINER (priv->top_right_box), priv->search_entry);
gtk_entry_set_width_chars (GTK_ENTRY (priv->search_entry), 30);
gtk_entry_set_invisible_char (GTK_ENTRY (priv->search_entry), 9679);
g_signal_connect (priv->search_entry, "changed", G_CALLBACK (search_entry_changed_cb), self);
g_signal_connect (priv->search_entry, "key-press-event", G_CALLBACK (search_entry_key_press_event_cb), self);
priv->lock_button = gtk_lock_button_new (NULL);
gtk_widget_set_no_show_all (button, TRUE);
gtk_container_add (GTK_CONTAINER (priv->top_right_box), priv->lock_button);
}
static void
create_window (CcWindow *self)
{
CcWindowPrivate *priv = self->priv;
GtkWidget *box;
GdkScreen *screen;
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_container_add (GTK_CONTAINER (self), box);
create_header (self);
gtk_box_pack_start (GTK_BOX (box), priv->header, FALSE, FALSE, 0);
priv->notebook = gtk_notebook_new ();
gtk_notebook_set_show_tabs (GTK_NOTEBOOK (priv->notebook), FALSE);
gtk_box_pack_start (GTK_BOX (box), priv->notebook, TRUE, TRUE, 0);
create_main_page (self);
create_search_page (self);
/* connect various signals */
screen = gtk_widget_get_screen (GTK_WIDGET (self));
g_signal_connect (screen, "monitors-changed", G_CALLBACK (monitors_changed_cb), self);
g_signal_connect (self, "configure-event", G_CALLBACK (main_window_configure_cb), self);
g_signal_connect (self, "notify::application", G_CALLBACK (application_set_cb), self);
g_signal_connect_after (self, "key_press_event",
G_CALLBACK (window_key_press_event), self);
g_signal_connect (self, "notify::window", G_CALLBACK (gdk_window_set_cb), self);
g_signal_connect (priv->notebook, "notify::page",
G_CALLBACK (notebook_page_notify_cb), self);
gtk_widget_show_all (box);
}
static void
cc_window_init (CcWindow *self)
{
CcWindowPrivate *priv;
priv = self->priv = WINDOW_PRIVATE (self);
priv->monitor_num = -1;
self->priv->small_screen = SMALL_SCREEN_UNSET;
create_window (self);
self->priv->previous_panels = g_queue_new ();
/* keep a list of custom widgets to unload on panel change */
priv->custom_widgets = g_ptr_array_new_with_free_func ((GDestroyNotify) g_object_unref);
notebook_page_notify_cb (GTK_NOTEBOOK (priv->notebook), NULL, self);
}
CcWindow *
cc_window_new (GtkApplication *application)
{
g_return_val_if_fail (GTK_IS_APPLICATION (application), NULL);
return g_object_new (CC_TYPE_WINDOW,
"application", application,
"hide-titlebar-when-maximized", TRUE,
"resizable", TRUE,
"title", DEFAULT_WINDOW_TITLE,
"icon-name", DEFAULT_WINDOW_ICON_NAME,
"window-position", GTK_WIN_POS_CENTER,
NULL);
}
void
cc_window_present (CcWindow *center)
{
gtk_window_present (GTK_WINDOW (center));
}
void
cc_window_show (CcWindow *center)
{
gtk_widget_show (GTK_WIDGET (center));
}
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