mirror of
https://gitlab.gnome.org/GNOME/gtk.git
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385 lines
12 KiB
C
385 lines
12 KiB
C
/* widget-factory: a collection of widgets in a single page, for easy
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* theming
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*
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* Copyright (C) 2011 Canonical Ltd
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authored by Andrea Cimitan <andrea.cimitan@canonical.com>
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*
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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static void
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change_theme_state (GSimpleAction *action,
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GVariant *state,
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gpointer user_data)
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{
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GtkSettings *settings = gtk_settings_get_default ();
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g_object_set (G_OBJECT (settings),
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"gtk-application-prefer-dark-theme",
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g_variant_get_boolean (state),
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NULL);
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g_simple_action_set_state (action, state);
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}
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static void
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activate_search (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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GtkWidget *window = user_data;
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GtkWidget *searchbar;
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searchbar = GTK_WIDGET (g_object_get_data (G_OBJECT (window), "searchbar"));
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gtk_search_bar_set_search_mode (GTK_SEARCH_BAR (searchbar), TRUE);
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}
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static void
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activate_delete (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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GtkWidget *window = user_data;
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GtkWidget *infobar;
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infobar = GTK_WIDGET (g_object_get_data (G_OBJECT (window), "infobar"));
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gtk_widget_show (infobar);
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}
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static void
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activate_about (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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GtkApplication *app = user_data;
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const gchar *authors[] = {
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"Andrea Cimitan",
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"Cosimo Cecchi",
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NULL
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};
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gtk_show_about_dialog (GTK_WINDOW (gtk_application_get_active_window (app)),
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"program-name", "GTK+ Widget Factory",
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"version", g_strdup_printf ("%s,\nRunning against GTK+ %d.%d.%d",
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PACKAGE_VERSION,
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gtk_get_major_version (),
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gtk_get_minor_version (),
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gtk_get_micro_version ()),
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"copyright", "(C) 1997-2013 The GTK+ Team",
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"license-type", GTK_LICENSE_LGPL_2_1,
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"website", "http://www.gtk.org",
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"comments", "Program to demonstrate GTK+ themes and widgets",
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"authors", authors,
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"logo-icon-name", "gtk3-widget-factory",
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"title", "About GTK+ Widget Factory",
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NULL);
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}
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static void
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activate_quit (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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GtkApplication *app = user_data;
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GtkWidget *win;
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GList *list, *next;
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list = gtk_application_get_windows (app);
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while (list)
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{
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win = list->data;
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next = list->next;
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gtk_widget_destroy (GTK_WIDGET (win));
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list = next;
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}
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}
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static void
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spin_value_changed (GtkAdjustment *adjustment, GtkWidget *label)
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{
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GtkWidget *w;
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gint v;
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gchar *text;
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v = (int)gtk_adjustment_get_value (adjustment);
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if ((v % 3) == 0)
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{
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text = g_strdup_printf ("%d is a multiple of 3", v);
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gtk_label_set_label (GTK_LABEL (label), text);
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g_free (text);
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}
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w = gtk_widget_get_ancestor (label, GTK_TYPE_REVEALER);
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gtk_revealer_set_reveal_child (GTK_REVEALER (w), (v % 3) == 0);
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}
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static void
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dismiss (GtkWidget *button)
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{
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GtkWidget *w;
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w = gtk_widget_get_ancestor (button, GTK_TYPE_REVEALER);
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gtk_revealer_set_reveal_child (GTK_REVEALER (w), FALSE);
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}
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static gint pulse_time = 250;
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static guint pulse_id = 0;
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static gboolean
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pulse_it (GtkWidget *widget)
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{
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gtk_progress_bar_pulse (GTK_PROGRESS_BAR (widget));
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pulse_id = g_timeout_add (pulse_time, (GSourceFunc)pulse_it, widget);
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return G_SOURCE_REMOVE;
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}
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static void
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update_pulse_time (GtkAdjustment *adjustment, GtkWidget *widget)
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{
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gdouble value;
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value = gtk_adjustment_get_value (adjustment);
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/* vary between 50 and 450 */
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pulse_time = 50 + 4 * value;
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if (value == 100 && pulse_id != 0)
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{
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g_source_remove (pulse_id);
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pulse_id = 0;
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}
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else if (value < 100 && pulse_id == 0)
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{
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pulse_id = g_timeout_add (pulse_time, (GSourceFunc)pulse_it, widget);
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}
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}
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static guint pulse_entry_id = 0;
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static gboolean
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pulse_entry (GtkEntry *entry)
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{
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gtk_entry_progress_pulse (entry);
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pulse_entry_id = g_timeout_add (100, (GSourceFunc)pulse_entry, entry);
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return G_SOURCE_REMOVE;
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}
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static void
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on_entry_icon_release (GtkEntry *entry,
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GtkEntryIconPosition icon_pos,
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GdkEvent *event,
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gpointer user_data)
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{
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static int num = 0;
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if (icon_pos != GTK_ENTRY_ICON_SECONDARY)
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return;
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num++;
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if (num % 3 == 0)
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{
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if (pulse_entry_id > 0)
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g_source_remove (pulse_entry_id);
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gtk_entry_set_progress_fraction (entry, 0);
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}
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else if (num % 3 == 1)
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gtk_entry_set_progress_fraction (entry, 0.25);
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else if (num % 3 == 2)
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{
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gtk_entry_set_progress_pulse_step (entry, 0.1);
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pulse_entry (entry);
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}
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}
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static void
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startup (GApplication *app)
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{
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GtkBuilder *builder;
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GMenuModel *appmenu;
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builder = gtk_builder_new ();
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gtk_builder_add_from_resource (builder, "/ui/widget-factory.ui", NULL);
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appmenu = (GMenuModel *)gtk_builder_get_object (builder, "appmenu");
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gtk_application_set_app_menu (GTK_APPLICATION (app), appmenu);
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g_object_unref (builder);
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}
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static void
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update_header (GtkListBoxRow *row,
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GtkListBoxRow *before,
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gpointer data)
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{
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if (before != NULL &&
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gtk_list_box_row_get_header (row) == NULL)
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{
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GtkWidget *separator;
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separator = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL);
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gtk_widget_show (separator);
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gtk_list_box_row_set_header (row, separator);
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}
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}
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static void
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info_bar_response (GtkWidget *infobar, gint response_id)
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{
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if (response_id == GTK_RESPONSE_CLOSE)
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gtk_widget_hide (infobar);
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}
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static void
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show_dialog (GtkWidget *button, GtkWidget *dialog)
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{
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gtk_widget_show (dialog);
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}
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static void
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close_dialog (GtkWidget *dialog)
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{
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gtk_widget_hide (dialog);
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}
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static void
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activate (GApplication *app)
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{
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GtkBuilder *builder;
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GtkWindow *window;
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GtkWidget *widget;
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GtkWidget *dialog;
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GtkAdjustment *adj;
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static GActionEntry win_entries[] = {
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{ "dark", NULL, NULL, "false", change_theme_state },
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{ "search", activate_search, NULL, NULL, NULL },
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{ "delete", activate_delete, NULL, NULL, NULL }
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};
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GError *error = NULL;
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builder = gtk_builder_new ();
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gtk_builder_add_from_resource (builder, "/ui/widget-factory.ui", &error);
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if (error)
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g_print ("error: %s\n", error->message);
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gtk_builder_add_callback_symbol (builder, "on_entry_icon_release", (GCallback)on_entry_icon_release);
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gtk_builder_connect_signals (builder, NULL);
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window = (GtkWindow *)gtk_builder_get_object (builder, "window");
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gtk_application_add_window (GTK_APPLICATION (app), window);
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g_action_map_add_action_entries (G_ACTION_MAP (window),
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win_entries, G_N_ELEMENTS (win_entries),
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window);
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widget = (GtkWidget *)gtk_builder_get_object (builder, "statusbar");
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gtk_statusbar_push (GTK_STATUSBAR (widget), 0, "All systems are operating normally.");
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g_action_map_add_action (G_ACTION_MAP (window),
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G_ACTION (g_property_action_new ("statusbar", widget, "visible")));
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widget = (GtkWidget *)gtk_builder_get_object (builder, "toolbar");
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g_action_map_add_action (G_ACTION_MAP (window),
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G_ACTION (g_property_action_new ("toolbar", widget, "visible")));
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widget = (GtkWidget *)gtk_builder_get_object (builder, "progressbar3");
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pulse_id = g_timeout_add (250, (GSourceFunc)pulse_it, widget);
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g_signal_connect (gtk_builder_get_object (builder, "adjustment1"),
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"value-changed",
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G_CALLBACK (update_pulse_time), widget);
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widget = (GtkWidget *)gtk_builder_get_object (builder, "page2dismiss");
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g_signal_connect (widget, "clicked", G_CALLBACK (dismiss), NULL);
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widget = (GtkWidget *)gtk_builder_get_object (builder, "page2note");
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adj = (GtkAdjustment *) gtk_builder_get_object (builder, "adjustment2");
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g_signal_connect (adj, "value-changed", G_CALLBACK (spin_value_changed), widget);
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widget = (GtkWidget *)gtk_builder_get_object (builder, "listbox");
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gtk_list_box_set_header_func (GTK_LIST_BOX (widget), update_header, NULL, NULL);
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widget = (GtkWidget *)gtk_builder_get_object (builder, "toolbar");
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g_object_set_data (G_OBJECT (window), "toolbar", widget);
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widget = (GtkWidget *)gtk_builder_get_object (builder, "searchbar");
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g_object_set_data (G_OBJECT (window), "searchbar", widget);
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widget = (GtkWidget *)gtk_builder_get_object (builder, "infobar");
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g_signal_connect (widget, "response", G_CALLBACK (info_bar_response), NULL);
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g_object_set_data (G_OBJECT (window), "infobar", widget);
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dialog = (GtkWidget *)gtk_builder_get_object (builder, "info_dialog");
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g_signal_connect (dialog, "response", G_CALLBACK (close_dialog), NULL);
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widget = (GtkWidget *)gtk_builder_get_object (builder, "info_dialog_button");
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g_signal_connect (widget, "clicked", G_CALLBACK (show_dialog), dialog);
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dialog = (GtkWidget *)gtk_builder_get_object (builder, "action_dialog");
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g_signal_connect (dialog, "response", G_CALLBACK (close_dialog), NULL);
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widget = (GtkWidget *)gtk_builder_get_object (builder, "action_dialog_button");
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g_signal_connect (widget, "clicked", G_CALLBACK (show_dialog), dialog);
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dialog = (GtkWidget *)gtk_builder_get_object (builder, "preference_dialog");
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g_signal_connect (dialog, "response", G_CALLBACK (close_dialog), NULL);
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widget = (GtkWidget *)gtk_builder_get_object (builder, "preference_dialog_button");
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g_signal_connect (widget, "clicked", G_CALLBACK (show_dialog), dialog);
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gtk_widget_show_all (GTK_WIDGET (window));
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g_object_unref (builder);
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}
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int
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main (int argc, char *argv[])
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{
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GtkApplication *app;
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static GActionEntry app_entries[] = {
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{ "about", activate_about, NULL, NULL, NULL },
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{ "quit", activate_quit, NULL, NULL, NULL },
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{ "main", NULL, "s", "'steak'", NULL },
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{ "wine", NULL, NULL, "false", NULL },
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{ "beer", NULL, NULL, "false", NULL },
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{ "water", NULL, NULL, "true", NULL },
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{ "dessert", NULL, "s", "'bars'", NULL },
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{ "pay", NULL, "s", NULL, NULL }
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};
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gint status;
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app = gtk_application_new ("org.gtk.WidgetFactory", 0);
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g_action_map_add_action_entries (G_ACTION_MAP (app),
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app_entries, G_N_ELEMENTS (app_entries),
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app);
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g_signal_connect (app, "startup", G_CALLBACK (startup), NULL);
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g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
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status = g_application_run (G_APPLICATION (app), argc, argv);
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g_object_unref (app);
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return status;
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}
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