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zenity/src/text.c
Florian Müllner 0628bd3291 util: Add an option to request dialogs being modal 
As WMs cannot open windows themselves, Mutter uses zenity to open
"Force Quit" dialogs for unresponsive windows; as those are strongly
tied to the corresponding window, it makes sense to make them modal
(in particular when attaching them to their parent).

https://bugzilla.gnome.org/show_bug.cgi?id=684322
2012-09-25 18:46:12 -04:00

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/*
* text.c
*
* Copyright (C) 2002 Sun Microsystems, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* Authors: Glynn Foster <glynn.foster@sun.com>
*/
#include "config.h"
#include "zenity.h"
#include "util.h"
#ifdef HAVE_WEBKITGTK
#include <webkit/webkit.h>
#endif
static ZenityTextData *zen_text_data;
static void zenity_text_dialog_response (GtkWidget *widget, int response, gpointer data);
static void zenity_text_toggle_button (GtkToggleButton *button, gpointer data);
#ifdef HAVE_WEBKITGTK
static void
zenity_configure_webkit (WebKitWebView *web_view)
{
WebKitWebSettings *settings;
settings = webkit_web_view_get_settings(web_view);
g_object_set(G_OBJECT(settings), "enable-scripts", FALSE, NULL);
g_object_set(G_OBJECT(settings), "auto-load-images", TRUE, NULL);
g_object_set(G_OBJECT(settings), "auto-resize-window", TRUE, NULL);
g_object_set(G_OBJECT(settings), "auto-shrink-images", TRUE, NULL);
/*
Stick to the defaults
"cursive-font-family" gchar* : Read / Write / Construct
"default-encoding" gchar* : Read / Write / Construct
"default-font-family" gchar* : Read / Write / Construct
"default-font-size" gint : Read / Write / Construct
"default-monospace-font-size" gint : Read / Write / Construct
"editing-behavior" WebKitEditingBehavior : Read / Write / Construct
*/
g_object_set(G_OBJECT(settings), "enable-caret-browsing", FALSE, NULL);
g_object_set(G_OBJECT(settings), "enable-default-context-menu", FALSE, NULL);
g_object_set(G_OBJECT(settings), "enable-developer-extras", FALSE, NULL);
/* unexisting property? g_object_set(G_OBJECT(settings), "enable-dns-prefetching", FALSE, NULL);*/
g_object_set(G_OBJECT(settings), "enable-dom-paste", FALSE, NULL);
g_object_set(G_OBJECT(settings), "enable-file-access-from-file-uris", FALSE, NULL);
/* unexisting property? g_object_set(G_OBJECT(settings), "enable-frame-flattening", FALSE, NULL);*/
/* unexisting property? g_object_set(G_OBJECT(settings), "enable-fullscreen", FALSE, NULL);*/
g_object_set(G_OBJECT(settings), "enable-html5-database", FALSE, NULL);
g_object_set(G_OBJECT(settings), "enable-html5-local-storage", FALSE, NULL);
/* unexisting property? g_object_set(G_OBJECT(settings), "enable-hyperlink-auditing", FALSE, NULL);*/
g_object_set(G_OBJECT(settings), "enable-java-applet", FALSE, NULL);
g_object_set(G_OBJECT(settings), "enable-offline-web-application-cache", FALSE, NULL);
g_object_set(G_OBJECT(settings), "enable-page-cache", FALSE, NULL);
g_object_set(G_OBJECT(settings), "enable-plugins", FALSE, NULL);
g_object_set(G_OBJECT(settings), "enable-private-browsing", TRUE, NULL);
g_object_set(G_OBJECT(settings), "enable-scripts", FALSE, NULL);
g_object_set(G_OBJECT(settings), "enable-site-specific-quirks", FALSE, NULL);
g_object_set(G_OBJECT(settings), "enable-spatial-navigation", FALSE, NULL);
g_object_set(G_OBJECT(settings), "enable-spell-checking", FALSE, NULL);
g_object_set(G_OBJECT(settings), "enable-universal-access-from-file-uris", FALSE, NULL);
g_object_set(G_OBJECT(settings), "enable-xss-auditor", TRUE, NULL);
/*
Stick to defaults
"enforce-96-dpi" gboolean : Read / Write / Construct
"fantasy-font-family" gchar* : Read / Write / Construct
*/
g_object_set(G_OBJECT(settings), "javascript-can-access-clipboard", FALSE, NULL);
g_object_set(G_OBJECT(settings), "javascript-can-open-windows-automatically", FALSE, NULL);
g_object_set(G_OBJECT(settings), "javascript-can-open-windows-automatically", FALSE, NULL);
/*
Stick to defaults
"minimum-font-size" gint : Read / Write / Construct
"minimum-logical-font-size" gint : Read / Write / Construct
"monospace-font-family" gchar* : Read / Write / Construct
"print-backgrounds" gboolean : Read / Write / Construct
"resizable-text-areas" gboolean : Read / Write / Construct
"sans-serif-font-family" gchar* : Read / Write / Construct
"serif-font-family" gchar* : Read / Write / Construct
"spell-checking-languages" gchar* : Read / Write / Construct
*/
g_object_set(G_OBJECT(settings), "tab-key-cycles-through-elements", FALSE, NULL);
g_object_set(G_OBJECT(settings), "user-agent",
"Zenity with WebKit (KHTML, like Gecko) support", NULL);
/*
Stick to defaults
"user-stylesheet-uri" gchar* : Read / Write / Construct
"zoom-step" gfloat : Read / Write / Construct
*/
}
static gboolean
zenity_text_webview_decision_request (WebKitWebView *webkitwebview,
WebKitWebFrame *frame,
WebKitNetworkRequest *request,
WebKitWebNavigationAction *navigation_action,
WebKitWebPolicyDecision *policy_decision,
gpointer user_data)
{
webkit_web_policy_decision_ignore (policy_decision);
return TRUE;
}
static void
zenity_text_webview_load_finished (WebKitWebView *webkitwebview,
WebKitWebFrame *frame,
gpointer user_data)
{
g_signal_connect (G_OBJECT (webkitwebview), "navigation-policy-decision-requested",
G_CALLBACK (zenity_text_webview_decision_request), NULL);
}
#endif
static gboolean
zenity_text_handle_stdin (GIOChannel *channel,
GIOCondition condition,
gpointer data)
{
static GtkTextBuffer *buffer;
gchar buf[1024];
gsize len;
buffer = GTK_TEXT_BUFFER (data);
if ((condition & G_IO_IN) || (condition & (G_IO_IN | G_IO_HUP))) {
GError *error = NULL;
gint status;
while (channel->is_readable != TRUE)
;
do {
status = g_io_channel_read_chars (channel, buf, 1024, &len, &error);
while (gtk_events_pending ())
gtk_main_iteration ();
} while (status == G_IO_STATUS_AGAIN);
if (status != G_IO_STATUS_NORMAL) {
if (error) {
g_warning ("zenity_text_handle_stdin () : %s", error->message);
g_error_free (error);
error = NULL;
}
return FALSE;
}
if (len > 0) {
GtkTextIter end;
gchar *utftext;
gsize localelen;
gsize utflen;
gtk_text_buffer_get_end_iter (buffer, &end);
if (!g_utf8_validate (buf, len, NULL)) {
utftext = g_convert_with_fallback (buf, len, "UTF-8", "ISO-8859-1", NULL, &localelen, &utflen, NULL);
gtk_text_buffer_insert (buffer, &end, utftext, utflen);
g_free (utftext);
} else {
gtk_text_buffer_insert (buffer, &end, buf, len);
}
}
}
return TRUE;
}
static void
zenity_text_fill_entries_from_stdin (GtkTextBuffer *text_buffer)
{
GIOChannel *channel;
channel = g_io_channel_unix_new (0);
g_io_channel_set_encoding (channel, NULL, NULL);
g_io_channel_set_flags (channel, G_IO_FLAG_NONBLOCK, NULL);
g_io_add_watch (channel, G_IO_IN | G_IO_HUP, zenity_text_handle_stdin, text_buffer);
}
void
zenity_text (ZenityData *data, ZenityTextData *text_data)
{
GtkBuilder *builder;
GtkWidget *dialog;
GtkWidget *ok_button;
GtkWidget *checkbox;
GtkWidget *cancel_button;
GObject *text_view;
GtkTextBuffer *text_buffer;
#ifdef HAVE_WEBKITGTK
GtkWidget *web_kit;
GtkWidget *scrolled_window;
GtkTextIter start_iter, end_iter;
gchar *content;
#endif
zen_text_data = text_data;
builder = zenity_util_load_ui_file ("zenity_text_dialog",
"textbuffer1", NULL);
if (builder == NULL) {
data->exit_code = zenity_util_return_exit_code (ZENITY_ERROR);
return;
}
gtk_builder_connect_signals (builder, NULL);
dialog = GTK_WIDGET (gtk_builder_get_object (builder, "zenity_text_dialog"));
ok_button = GTK_WIDGET (gtk_builder_get_object (builder, "zenity_text_close_button"));
cancel_button = GTK_WIDGET (gtk_builder_get_object (builder, "zenity_text_cancel_button"));
checkbox = GTK_WIDGET (gtk_builder_get_object (builder, "zenity_text_checkbox"));
g_signal_connect (G_OBJECT (dialog), "response",
G_CALLBACK (zenity_text_dialog_response), data);
if (data->dialog_title)
gtk_window_set_title (GTK_WINDOW (dialog), data->dialog_title);
zenity_util_set_window_icon (dialog, data->window_icon, ZENITY_IMAGE_FULLPATH ("zenity-text.png"));
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE);
text_buffer = gtk_text_buffer_new (NULL);
text_view = gtk_builder_get_object (builder, "zenity_text_view");
gtk_text_view_set_buffer (GTK_TEXT_VIEW (text_view), text_buffer);
gtk_text_view_set_editable (GTK_TEXT_VIEW(text_view), text_data->editable);
if (text_data->no_wrap)
gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW(text_view), GTK_WRAP_NONE);
if (text_data->font) {
PangoFontDescription *fontDesc = pango_font_description_from_string (text_data->font);
gtk_widget_modify_font (GTK_WIDGET(text_view), fontDesc);
}
if (text_data->uri)
zenity_util_fill_file_buffer (text_buffer, text_data->uri);
else
zenity_text_fill_entries_from_stdin (GTK_TEXT_BUFFER (text_buffer));
if (text_data->editable)
zen_text_data->buffer = text_buffer;
if (data->ok_label) {
gtk_button_set_label (GTK_BUTTON (ok_button), data->ok_label);
gtk_button_set_image (GTK_BUTTON (ok_button),
gtk_image_new_from_stock (GTK_STOCK_OK, GTK_ICON_SIZE_BUTTON));
}
if (data->cancel_label) {
gtk_button_set_label (GTK_BUTTON (cancel_button), data->cancel_label);
gtk_button_set_image (GTK_BUTTON (cancel_button),
gtk_image_new_from_stock (GTK_STOCK_CANCEL, GTK_ICON_SIZE_BUTTON));
}
if (text_data->checkbox) {
gtk_widget_set_visible (GTK_WIDGET (checkbox), TRUE);
gtk_widget_set_sensitive (GTK_WIDGET (ok_button), FALSE);
gtk_button_set_label (GTK_BUTTON (checkbox), text_data->checkbox);
g_signal_connect (G_OBJECT (checkbox), "toggled",
G_CALLBACK (zenity_text_toggle_button), ok_button);
}
if (data->width > -1 || data->height > -1)
gtk_window_set_default_size (GTK_WINDOW (dialog), data->width, data->height);
else
gtk_window_set_default_size (GTK_WINDOW (dialog), 300, 400);
if (data->modal)
gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
#ifdef HAVE_WEBKITGTK
if(text_data->html) {
web_kit = webkit_web_view_new();
scrolled_window = GTK_WIDGET (gtk_builder_get_object (builder, "zenity_text_scrolled_window"));
zenity_configure_webkit (WEBKIT_WEB_VIEW (web_kit));
if (text_data->url)
{
if (!(g_str_has_prefix (text_data->url, "http://") || g_str_has_prefix (text_data->url, "https://")))
text_data->url = g_strdup_printf ("http://%s", text_data->url);
webkit_web_view_load_uri (WEBKIT_WEB_VIEW (web_kit), text_data->url);
}
else
{
gtk_text_buffer_get_start_iter (text_buffer, &start_iter);
gtk_text_buffer_get_end_iter (text_buffer, &end_iter);
content = gtk_text_buffer_get_text (text_buffer, &start_iter, &end_iter, TRUE);
webkit_web_view_load_string (WEBKIT_WEB_VIEW(web_kit), content, "text/html", "UTF-8", NULL);
g_free (content);
}
// We don't want user to click on links and navigate to another page.
// So, when page finish load, we block requests.
g_signal_connect (G_OBJECT (web_kit), "document-load-finished",
G_CALLBACK (zenity_text_webview_load_finished), NULL);
gtk_widget_destroy (GTK_WIDGET (text_view));
gtk_container_add (GTK_CONTAINER(scrolled_window), web_kit);
gtk_widget_show (GTK_WIDGET (web_kit));
}
#endif
zenity_util_show_dialog (dialog);
g_object_unref (builder);
if(data->timeout_delay > 0) {
g_timeout_add_seconds (data->timeout_delay, (GSourceFunc) zenity_util_timeout_handle, dialog);
}
gtk_main ();
}
static void
zenity_text_toggle_button (GtkToggleButton *button, gpointer data)
{
GtkWidget *ok_button = (GtkWidget *)data;
gtk_widget_set_sensitive (GTK_WIDGET(ok_button), gtk_toggle_button_get_active(button));
}
static void
zenity_text_dialog_response (GtkWidget *widget, int response, gpointer data)
{
ZenityData *zen_data = data;
switch (response) {
case GTK_RESPONSE_CLOSE:
if (zen_text_data->editable) {
GtkTextIter start, end;
gchar *text;
gtk_text_buffer_get_bounds (zen_text_data->buffer, &start, &end);
text = gtk_text_buffer_get_text (zen_text_data->buffer, &start, &end, 0);
g_print ("%s", text);
g_free (text);
}
zen_data->exit_code = zenity_util_return_exit_code (ZENITY_OK);
break;
default:
/* Esc dialog */
zenity_util_exit_code_with_data(ZENITY_ESC, zen_data);
break;
}
gtk_main_quit ();
}
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