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gnome-control-center/shell/cc-window.c
Cosimo Cecchi 374cb444fe cc-window: use GdHeaderSimpleButton for the Back button 
Simplifies code and ensures consistency with the other applications.
2013-03-19 11:48:19 -04:00

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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.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"
#define SEARCH_PAGE "_search"
#define OVERVIEW_PAGE "_overview"
typedef enum {
SMALL_SCREEN_UNSET,
SMALL_SCREEN_TRUE,
SMALL_SCREEN_FALSE
} CcSmallScreen;
struct _CcWindowPrivate
{
GtkWidget *stack;
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);
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);
gd_stack_add_named (GD_STACK (priv->stack), box, id);
/* switch to the new panel */
gtk_widget_show (box);
gd_stack_set_visible_child_name (GD_STACK (priv->stack), id);
/* 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;
gd_stack_set_visible_child_name (GD_STACK (priv->stack), OVERVIEW_PAGE);
if (priv->current_panel_box)
gtk_container_remove (GTK_CONTAINER (priv->stack), 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)
{
char **terms, **t;
gboolean matches;
if (!priv->filter_string)
return FALSE;
terms = g_strsplit (priv->filter_string, " ", -1);
for (t = terms; *t; t++)
{
matches = cc_shell_model_iter_matches_search (CC_SHELL_MODEL (model),
iter,
*t);
if (!matches)
break;
}
g_strfreev (terms);
return matches;
}
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));
gd_stack_set_visible_child_name (GD_STACK (priv->stack), SEARCH_PAGE);
}
}
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
stack_page_notify_cb (GdStack *stack,
GParamSpec *spec,
CcWindow *self)
{
CcWindowPrivate *priv = self->priv;
int nat_height;
const char *id;
id = gd_stack_get_visible_child_name (stack);
/* make sure the home button is shown on all pages except the overview page */
if (g_strcmp0 (id, OVERVIEW_PAGE) == 0 || g_strcmp0 (id, SEARCH_PAGE) == 0)
{
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)
gtk_container_remove (GTK_CONTAINER (priv->stack), 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;
/* Avoid receiving notifications about the pages changing
* when destroying the children one-by-one */
if (priv->stack)
{
g_signal_handlers_disconnect_by_func (priv->stack, stack_page_notify_cb, object);
priv->stack = NULL;
}
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;
gboolean is_rtl;
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 ();
is_rtl = gtk_widget_get_direction (win) == GTK_TEXT_DIR_RTL;
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 (g_strcmp0 (gd_stack_get_visible_child_name (GD_STACK (self->priv->stack)), OVERVIEW_PAGE) != 0)
shell_show_overview_page (self);
retval = TRUE;
break;
}
}
else if (state == GDK_MOD1_MASK && event->keyval == GDK_KEY_Up)
{
if (g_strcmp0 (gd_stack_get_visible_child_name (GD_STACK (self->priv->stack)), OVERVIEW_PAGE) != 0)
shell_show_overview_page (self);
retval = TRUE;
}
else if ((!is_rtl && state == GDK_MOD1_MASK && event->keyval == GDK_KEY_Left) ||
(is_rtl && state == GDK_MOD1_MASK && event->keyval == GDK_KEY_Right) ||
event->keyval == GDK_KEY_Back)
{
previous_button_clicked_cb (NULL, 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 */
stack_page_notify_cb (GD_STACK (self->priv->stack), 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);
gd_stack_add_named (GD_STACK (priv->stack), priv->scrolled_window, OVERVIEW_PAGE);
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);
gd_stack_add_named (GD_STACK (priv->stack), priv->search_scrolled, SEARCH_PAGE);
/* setup search functionality */
setup_search (self);
}
static void
create_header (CcWindow *self)
{
CcWindowPrivate *priv = self->priv;
GtkWidget *button;
AtkObject *accessible;
priv->header = gd_header_bar_new ();
priv->previous_button = button = gd_header_simple_button_new ();
gd_header_button_set_symbolic_icon_name (GD_HEADER_BUTTON (button),
"go-previous-symbolic");
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);
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->stack = gd_stack_new ();
gd_stack_set_homogeneous (GD_STACK (priv->stack), TRUE);
gtk_box_pack_start (GTK_BOX (box), priv->stack, 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->stack, "notify::visible-child",
G_CALLBACK (stack_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);
stack_page_notify_cb (GD_STACK (priv->stack), 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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