default-applications: Add a widget for a default calculator application

Fix https://github.com/mate-desktop/mate-control-center/issues/291

Signed-off-by: Zhang Xianwei <[email protected]>

1 files changed, 49 insertions, 0 deletions

diff --git a/capplets/default-applications/mate-da-capplet.c b/capplets/default-applications/mate-da-capplet.c
index 450f1e9f..c42aca02 100644
--- a/capplets/default-applications/mate-da-capplet.c
+++ b/capplets/default-applications/mate-da-capplet.c
@@ -48,6 +48,7 @@ enum {
 	DA_TYPE_DOCUMENT,
 	DA_TYPE_WORD,
 	DA_TYPE_SPREADSHEET,
+	DA_TYPE_CALCULATOR,
 	DA_N_COLUMNS
 };
 
@@ -155,6 +156,10 @@ set_changed(GtkComboBox* combo, MateDACapplet* capplet, GList* list, gint type)
 				g_settings_set_string (capplet->mobility_settings, MOBILITY_KEY, g_app_info_get_executable (item));
 				break;
 
+			case DA_TYPE_CALCULATOR:
+				g_settings_set_string (capplet->calculator_settings, CALCULATOR_KEY, g_app_info_get_executable (item));
+				break;
+
 			default:
 				break;
 		}
@@ -183,6 +188,7 @@ close_cb(GtkWidget* window, gint response, MateDACapplet* capplet)
 		set_changed(GTK_COMBO_BOX(capplet->document_combo_box), capplet, capplet->document_viewers, DA_TYPE_DOCUMENT);
 		set_changed(GTK_COMBO_BOX(capplet->word_combo_box), capplet, capplet->word_editors, DA_TYPE_WORD);
 		set_changed(GTK_COMBO_BOX(capplet->spreadsheet_combo_box), capplet, capplet->spreadsheet_editors, DA_TYPE_SPREADSHEET);
+		set_changed(GTK_COMBO_BOX(capplet->calculator_combo_box), capplet, capplet->calculators, DA_TYPE_CALCULATOR);
 
 		gtk_widget_destroy(window);
 		gtk_main_quit();
@@ -269,6 +275,12 @@ spreadsheet_combo_changed_cb(GtkComboBox* combo, MateDACapplet* capplet)
 }
 
 static void
+calculator_combo_changed_cb(GtkComboBox* combo, MateDACapplet* capplet)
+{
+	set_changed(combo, capplet, capplet->calculators, DA_TYPE_CALCULATOR);
+}
+
+static void
 refresh_combo_box_icons(GtkIconTheme* theme, GtkComboBox* combo_box, GList* app_list)
 {
 	GtkTreeIter iter;
@@ -325,6 +337,7 @@ static struct {
 	{"document_image",     "application-pdf"},
 	{"word_image",         "office-document"},
 	{"spreadsheet_image",  "office-spreadsheet"},
+	{"calculator_image",   "accessories-calculator"},
 };
 
 /* Callback for icon theme change */
@@ -360,6 +373,7 @@ theme_changed_cb(GtkIconTheme* theme, MateDACapplet* capplet)
 	refresh_combo_box_icons(theme, GTK_COMBO_BOX(capplet->document_combo_box), capplet->document_viewers);
 	refresh_combo_box_icons(theme, GTK_COMBO_BOX(capplet->word_combo_box), capplet->word_editors);
 	refresh_combo_box_icons(theme, GTK_COMBO_BOX(capplet->spreadsheet_combo_box), capplet->spreadsheet_editors);
+	refresh_combo_box_icons(theme, GTK_COMBO_BOX(capplet->calculator_combo_box), capplet->calculators);
 }
 
 static void
@@ -437,6 +451,21 @@ fill_combo_box(GtkIconTheme* theme, GtkComboBox* combo_box, GList* app_list, gch
 		g_free (default_mobility);
 		g_object_unref (mobility_settings);
 	}
+	else if (g_strcmp0(mime, "calculator") == 0)
+	{
+		GSettings *calculator_settings = g_settings_new (CALCULATOR_SCHEMA);
+		gchar *default_calculator = g_settings_get_string (calculator_settings, CALCULATOR_KEY);
+		for (entry = app_list; entry != NULL; entry = g_list_next(entry))
+		{
+			GAppInfo* item = (GAppInfo*) entry->data;
+			if (g_strcmp0 (g_app_info_get_executable (item), default_calculator) == 0)
+			{
+				default_app = item;
+			}
+		}
+		g_free (default_calculator);
+		g_object_unref (calculator_settings);
+	}
 	else
 	{
 		default_app = g_app_info_get_default_for_type (mime, FALSE);
@@ -568,6 +597,7 @@ show_dialog(MateDACapplet* capplet, const gchar* start_page)
 	capplet->document_combo_box = get_widget("document_combobox");
 	capplet->word_combo_box = get_widget("word_combobox");
 	capplet->spreadsheet_combo_box = get_widget("spreadsheet_combobox");
+	capplet->calculator_combo_box = get_widget("calculator_combobox");
 
 	capplet->visual_startup_checkbutton = get_widget("visual_start_checkbutton");
 	capplet->mobility_startup_checkbutton = get_widget("mobility_start_checkbutton");
@@ -614,6 +644,21 @@ show_dialog(MateDACapplet* capplet, const gchar* start_page)
 	}
 	capplet->terminals = g_list_reverse (capplet->terminals);
 
+	/* Calculator havent mime types, so check in .desktop files for
+	   Categories=Calculator */
+	capplet->calculators = NULL;
+	all_apps = g_app_info_get_all();
+	for (entry = all_apps; entry != NULL; entry = g_list_next(entry))
+	{
+		GDesktopAppInfo* item = (GDesktopAppInfo*) entry->data;
+		if (g_desktop_app_info_get_categories (item) != NULL &&
+			g_strrstr (g_desktop_app_info_get_categories (item), "Calculator"))
+		{
+			capplet->calculators = g_list_prepend (capplet->calculators, item);
+		}
+	}
+	capplet->calculators = g_list_reverse (capplet->calculators);
+
 	fill_combo_box(capplet->icon_theme, GTK_COMBO_BOX(capplet->web_combo_box), capplet->web_browsers, "x-scheme-handler/http");
 	fill_combo_box(capplet->icon_theme, GTK_COMBO_BOX(capplet->mail_combo_box), capplet->mail_readers, "x-scheme-handler/mailto");
 	fill_combo_box(capplet->icon_theme, GTK_COMBO_BOX(capplet->term_combo_box), capplet->terminals, "terminal");
@@ -627,6 +672,7 @@ show_dialog(MateDACapplet* capplet, const gchar* start_page)
 	fill_combo_box(capplet->icon_theme, GTK_COMBO_BOX(capplet->document_combo_box), capplet->document_viewers, "application/pdf");
 	fill_combo_box(capplet->icon_theme, GTK_COMBO_BOX(capplet->word_combo_box), capplet->word_editors, "application/vnd.oasis.opendocument.text");
 	fill_combo_box(capplet->icon_theme, GTK_COMBO_BOX(capplet->spreadsheet_combo_box), capplet->spreadsheet_editors, "application/vnd.oasis.opendocument.spreadsheet");
+	fill_combo_box(capplet->icon_theme, GTK_COMBO_BOX(capplet->calculator_combo_box), capplet->calculators, "calculator");
 
 	g_signal_connect(capplet->web_combo_box, "changed", G_CALLBACK(web_combo_changed_cb), capplet);
 	g_signal_connect(capplet->mail_combo_box, "changed", G_CALLBACK(mail_combo_changed_cb), capplet);
@@ -641,6 +687,7 @@ show_dialog(MateDACapplet* capplet, const gchar* start_page)
 	g_signal_connect(capplet->document_combo_box, "changed", G_CALLBACK(document_combo_changed_cb), capplet);
 	g_signal_connect(capplet->word_combo_box, "changed", G_CALLBACK(word_combo_changed_cb), capplet);
 	g_signal_connect(capplet->spreadsheet_combo_box, "changed", G_CALLBACK(spreadsheet_combo_changed_cb), capplet);
+	g_signal_connect(capplet->calculator_combo_box, "changed", G_CALLBACK(calculator_combo_changed_cb), capplet);
 
 	g_settings_bind (capplet->mobility_settings, MOBILITY_STARTUP_KEY, capplet->mobility_startup_checkbutton, "active", G_SETTINGS_BIND_DEFAULT);
 	g_settings_bind (capplet->visual_settings, VISUAL_STARTUP_KEY, capplet->visual_startup_checkbutton, "active", G_SETTINGS_BIND_DEFAULT);
@@ -707,6 +754,7 @@ main(int argc, char** argv)
 	capplet->terminal_settings = g_settings_new (TERMINAL_SCHEMA);
 	capplet->mobility_settings = g_settings_new (MOBILITY_SCHEMA);
 	capplet->visual_settings = g_settings_new (VISUAL_SCHEMA);
+	capplet->calculator_settings = g_settings_new (CALCULATOR_SCHEMA);
 
 	show_dialog(capplet, start_page);
 	g_free(start_page);
@@ -716,6 +764,7 @@ main(int argc, char** argv)
 	g_object_unref (capplet->terminal_settings);
 	g_object_unref (capplet->mobility_settings);
 	g_object_unref (capplet->visual_settings);
+	g_object_unref (capplet->calculator_settings);
 
 	return 0;
 }