Bug 540362: [webkit-composer] Use webkit for composer

Merge wip/webkit-composer branch into master.

1 files changed, 390 insertions, 0 deletions

diff --git a/e-util/e-html-editor-link-dialog.c b/e-util/e-html-editor-link-dialog.c
new file mode 100644
index 0000000000..0572d07c09
--- /dev/null
+++ b/e-util/e-html-editor-link-dialog.c
@@ -0,0 +1,390 @@
+/*
+ * e-html-editor-link-dialog.h
+ *
+ * Copyright (C) 2012 Dan Vrátil <dvratil@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * This program 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "e-html-editor-link-dialog.h"
+#include "e-html-editor-selection.h"
+#include "e-html-editor-utils.h"
+#include "e-html-editor-view.h"
+
+#include <glib/gi18n-lib.h>
+
+#define E_HTML_EDITOR_LINK_DIALOG_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_HTML_EDITOR_LINK_DIALOG, EHTMLEditorLinkDialogPrivate))
+
+G_DEFINE_TYPE (
+	EHTMLEditorLinkDialog,
+	e_html_editor_link_dialog,
+	E_TYPE_HTML_EDITOR_DIALOG);
+
+struct _EHTMLEditorLinkDialogPrivate {
+	GtkWidget *url_edit;
+	GtkWidget *label_edit;
+	GtkWidget *test_button;
+
+	GtkWidget *remove_link_button;
+	GtkWidget *ok_button;
+
+	gboolean label_autofill;
+};
+
+static void
+html_editor_link_dialog_test_link (EHTMLEditorLinkDialog *dialog)
+{
+	gtk_show_uri (
+		gtk_window_get_screen (GTK_WINDOW (dialog)),
+		gtk_entry_get_text (GTK_ENTRY (dialog->priv->url_edit)),
+		GDK_CURRENT_TIME,
+		NULL);
+}
+
+static void
+html_editor_link_dialog_url_changed (EHTMLEditorLinkDialog *dialog)
+{
+	if (dialog->priv->label_autofill &&
+	    gtk_widget_is_sensitive (dialog->priv->label_edit)) {
+		const gchar *text;
+
+		text = gtk_entry_get_text (
+			GTK_ENTRY (dialog->priv->url_edit));
+		gtk_entry_set_text (
+			GTK_ENTRY (dialog->priv->label_edit), text);
+	}
+}
+
+static gboolean
+html_editor_link_dialog_description_changed (EHTMLEditorLinkDialog *dialog)
+{
+	const gchar *text;
+
+	text = gtk_entry_get_text (GTK_ENTRY (dialog->priv->label_edit));
+	dialog->priv->label_autofill = (*text == '\0');
+
+	return FALSE;
+}
+
+static void
+html_editor_link_dialog_remove_link (EHTMLEditorLinkDialog *dialog)
+{
+	EHTMLEditor *editor;
+	EHTMLEditorView *view;
+	EHTMLEditorSelection *selection;
+
+	editor = e_html_editor_dialog_get_editor (E_HTML_EDITOR_DIALOG (dialog));
+	view = e_html_editor_get_view (editor);
+	selection = e_html_editor_view_get_selection (view);
+	e_html_editor_selection_unlink (selection);
+
+	gtk_widget_hide (GTK_WIDGET (dialog));
+}
+
+static void
+html_editor_link_dialog_ok (EHTMLEditorLinkDialog *dialog)
+{
+	EHTMLEditor *editor;
+	EHTMLEditorView *view;
+	EHTMLEditorSelection *selection;
+	WebKitDOMDocument *document;
+	WebKitDOMDOMWindow *window;
+	WebKitDOMDOMSelection *dom_selection;
+	WebKitDOMRange *range;
+	WebKitDOMElement *link;
+
+	editor = e_html_editor_dialog_get_editor (E_HTML_EDITOR_DIALOG (dialog));
+	view = e_html_editor_get_view (editor);
+	selection = e_html_editor_view_get_selection (view);
+
+	document = webkit_web_view_get_dom_document (WEBKIT_WEB_VIEW (view));
+	window = webkit_dom_document_get_default_view (document);
+	dom_selection = webkit_dom_dom_window_get_selection (window);
+
+	if (!dom_selection ||
+	    (webkit_dom_dom_selection_get_range_count (dom_selection) == 0)) {
+		gtk_widget_hide (GTK_WIDGET (dialog));
+		return;
+	}
+
+	range = webkit_dom_dom_selection_get_range_at (dom_selection, 0, NULL);
+	link = e_html_editor_dom_node_find_parent_element (
+			webkit_dom_range_get_start_container (range, NULL), "A");
+	if (!link) {
+		if ((webkit_dom_range_get_start_container (range, NULL) !=
+			webkit_dom_range_get_end_container (range, NULL)) ||
+		    (webkit_dom_range_get_start_offset (range, NULL) !=
+			webkit_dom_range_get_end_offset (range, NULL))) {
+
+			WebKitDOMDocumentFragment *fragment;
+			fragment = webkit_dom_range_extract_contents (range, NULL);
+			link = e_html_editor_dom_node_find_child_element (
+				WEBKIT_DOM_NODE (fragment), "A");
+			webkit_dom_range_insert_node (
+				range, WEBKIT_DOM_NODE (fragment), NULL);
+
+			webkit_dom_dom_selection_set_base_and_extent (
+				dom_selection,
+				webkit_dom_range_get_start_container (range, NULL),
+				webkit_dom_range_get_start_offset (range, NULL),
+				webkit_dom_range_get_end_container (range, NULL),
+				webkit_dom_range_get_end_offset (range, NULL),
+				NULL);
+		} else {
+			/* get element that was clicked on */
+			link = e_html_editor_view_get_element_under_mouse_click (view);
+			if (!WEBKIT_DOM_IS_HTML_ANCHOR_ELEMENT (link))
+				link = NULL;
+		}
+	}
+
+	if (link) {
+		webkit_dom_html_anchor_element_set_href (
+			WEBKIT_DOM_HTML_ANCHOR_ELEMENT (link),
+			gtk_entry_get_text (GTK_ENTRY (dialog->priv->url_edit)));
+		webkit_dom_html_element_set_inner_html (
+			WEBKIT_DOM_HTML_ELEMENT (link),
+			gtk_entry_get_text (GTK_ENTRY (dialog->priv->label_edit)),
+			NULL);
+	} else {
+		gchar *text;
+
+		/* Check whether a text is selected or not */
+		text = webkit_dom_range_get_text (range);
+		if (text && *text) {
+			e_html_editor_selection_create_link (
+				selection,
+				gtk_entry_get_text (
+					GTK_ENTRY (dialog->priv->url_edit)));
+		} else {
+			gchar *html = g_strdup_printf (
+				"<a href=\"%s\">%s</a>",
+				gtk_entry_get_text (
+					GTK_ENTRY (dialog->priv->url_edit)),
+				gtk_entry_get_text (
+					GTK_ENTRY (dialog->priv->label_edit)));
+
+			e_html_editor_view_exec_command (
+				view, E_HTML_EDITOR_VIEW_COMMAND_INSERT_HTML, html);
+
+			g_free (html);
+
+		}
+
+		g_free (text);
+	}
+
+	gtk_widget_hide (GTK_WIDGET (dialog));
+}
+
+static gboolean
+html_editor_link_dialog_entry_key_pressed (EHTMLEditorLinkDialog *dialog,
+                                           GdkEventKey *event)
+{
+	/* We can't do thins in key_released, because then you could not open
+	 * this dialog from main menu by pressing enter on Insert->Link action */
+	if (event->keyval == GDK_KEY_Return) {
+		html_editor_link_dialog_ok (dialog);
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+static void
+html_editor_link_dialog_show (GtkWidget *widget)
+{
+	EHTMLEditor *editor;
+	EHTMLEditorView *view;
+	EHTMLEditorLinkDialog *dialog;
+	WebKitDOMDocument *document;
+	WebKitDOMDOMWindow *window;
+	WebKitDOMDOMSelection *dom_selection;
+	WebKitDOMRange *range;
+	WebKitDOMElement *link;
+
+	dialog = E_HTML_EDITOR_LINK_DIALOG (widget);
+	editor = e_html_editor_dialog_get_editor (E_HTML_EDITOR_DIALOG (dialog));
+	view = e_html_editor_get_view (editor);
+
+	document = webkit_web_view_get_dom_document (WEBKIT_WEB_VIEW (view));
+	window = webkit_dom_document_get_default_view (document);
+	dom_selection = webkit_dom_dom_window_get_selection (window);
+
+	/* Reset to default values */
+	gtk_entry_set_text (GTK_ENTRY (dialog->priv->url_edit), "http://");
+	gtk_entry_set_text (GTK_ENTRY (dialog->priv->label_edit), "");
+	gtk_widget_set_sensitive (dialog->priv->label_edit, TRUE);
+	gtk_widget_set_sensitive (dialog->priv->remove_link_button, TRUE);
+	dialog->priv->label_autofill = TRUE;
+
+	/* No selection at all */
+	if (!dom_selection ||
+	    webkit_dom_dom_selection_get_range_count (dom_selection) < 1) {
+		gtk_widget_set_sensitive (dialog->priv->remove_link_button, FALSE);
+		goto chainup;
+	}
+
+	range = webkit_dom_dom_selection_get_range_at (dom_selection, 0, NULL);
+	link = e_html_editor_dom_node_find_parent_element (
+		webkit_dom_range_get_start_container (range, NULL), "A");
+	if (!link) {
+		if ((webkit_dom_range_get_start_container (range, NULL) !=
+			webkit_dom_range_get_end_container (range, NULL)) ||
+		    (webkit_dom_range_get_start_offset (range, NULL) !=
+			webkit_dom_range_get_end_offset (range, NULL))) {
+
+			WebKitDOMDocumentFragment *fragment;
+			fragment = webkit_dom_range_clone_contents (range, NULL);
+			link = e_html_editor_dom_node_find_child_element (
+					WEBKIT_DOM_NODE (fragment), "A");
+		} else {
+			/* get element that was clicked on */
+			link = e_html_editor_view_get_element_under_mouse_click (view);
+			if (!WEBKIT_DOM_IS_HTML_ANCHOR_ELEMENT (link))
+				link = NULL;
+		}
+	}
+
+	if (link) {
+		gchar *href, *text;
+
+		href = webkit_dom_html_anchor_element_get_href (
+				WEBKIT_DOM_HTML_ANCHOR_ELEMENT (link));
+		text = webkit_dom_html_element_get_inner_text (
+				WEBKIT_DOM_HTML_ELEMENT (link));
+
+		gtk_entry_set_text (
+			GTK_ENTRY (dialog->priv->url_edit), href);
+		gtk_entry_set_text (
+			GTK_ENTRY (dialog->priv->label_edit), text);
+
+		g_free (text);
+		g_free (href);
+	} else {
+		gchar *text;
+
+		text = webkit_dom_range_get_text (range);
+		if (text && *text) {
+			gtk_entry_set_text (
+				GTK_ENTRY (dialog->priv->label_edit), text);
+			gtk_widget_set_sensitive (
+				dialog->priv->label_edit, FALSE);
+			gtk_widget_set_sensitive (
+				dialog->priv->remove_link_button, FALSE);
+		}
+		g_free (text);
+	}
+
+ chainup:
+	/* Chain up to parent implementation */
+	GTK_WIDGET_CLASS (e_html_editor_link_dialog_parent_class)->show (widget);
+}
+
+static void
+e_html_editor_link_dialog_class_init (EHTMLEditorLinkDialogClass *class)
+{
+	GtkWidgetClass *widget_class;
+
+	g_type_class_add_private (class, sizeof (EHTMLEditorLinkDialogPrivate));
+
+	widget_class = GTK_WIDGET_CLASS (class);
+	widget_class->show = html_editor_link_dialog_show;
+}
+
+static void
+e_html_editor_link_dialog_init (EHTMLEditorLinkDialog *dialog)
+{
+	GtkGrid *main_layout;
+	GtkBox *button_box;
+	GtkWidget *widget;
+
+	dialog->priv = E_HTML_EDITOR_LINK_DIALOG_GET_PRIVATE (dialog);
+
+	main_layout = e_html_editor_dialog_get_container (E_HTML_EDITOR_DIALOG (dialog));
+
+	widget = gtk_entry_new ();
+	gtk_grid_attach (main_layout, widget, 1, 0, 1, 1);
+	g_signal_connect_swapped (
+		widget, "notify::text",
+		G_CALLBACK (html_editor_link_dialog_url_changed), dialog);
+	g_signal_connect_swapped (
+		widget, "key-press-event",
+		G_CALLBACK (html_editor_link_dialog_entry_key_pressed), dialog);
+	dialog->priv->url_edit = widget;
+
+	widget = gtk_label_new_with_mnemonic (_("_URL:"));
+	gtk_label_set_justify (GTK_LABEL (widget), GTK_JUSTIFY_RIGHT);
+	gtk_label_set_mnemonic_widget (GTK_LABEL (widget), dialog->priv->url_edit);
+	gtk_grid_attach (main_layout, widget, 0, 0, 1, 1);
+
+	widget = gtk_button_new_with_mnemonic (_("_Test URL..."));
+	gtk_grid_attach (main_layout, widget, 2, 0, 1, 1);
+	g_signal_connect_swapped (
+		widget, "clicked",
+		G_CALLBACK (html_editor_link_dialog_test_link), dialog);
+	dialog->priv->test_button = widget;
+
+	widget = gtk_entry_new ();
+	gtk_grid_attach (main_layout, widget, 1, 1, 2, 1);
+	g_signal_connect_swapped (
+		widget, "key-release-event",
+		G_CALLBACK (html_editor_link_dialog_description_changed), dialog);
+	g_signal_connect_swapped (
+		widget, "key-press-event",
+		G_CALLBACK (html_editor_link_dialog_entry_key_pressed), dialog);
+	dialog->priv->label_edit = widget;
+
+	widget = gtk_label_new_with_mnemonic (_("_Description:"));
+	gtk_label_set_justify (GTK_LABEL (widget), GTK_JUSTIFY_RIGHT);
+	gtk_label_set_mnemonic_widget (GTK_LABEL (widget), dialog->priv->label_edit);
+	gtk_grid_attach (main_layout, widget, 0, 1, 1, 1);
+
+	button_box = e_html_editor_dialog_get_button_box (E_HTML_EDITOR_DIALOG (dialog));
+
+	widget = gtk_button_new_with_mnemonic (_("_Remove Link"));
+	g_signal_connect_swapped (
+		widget, "clicked",
+		G_CALLBACK (html_editor_link_dialog_remove_link), dialog);
+	gtk_box_pack_start (button_box, widget, FALSE, FALSE, 5);
+	dialog->priv->remove_link_button = widget;
+
+	widget = gtk_button_new_from_stock (GTK_STOCK_OK);
+	g_signal_connect_swapped (
+		widget, "clicked",
+		G_CALLBACK (html_editor_link_dialog_ok), dialog);
+	gtk_box_pack_end (button_box, widget, FALSE, FALSE, 5);
+	dialog->priv->ok_button = widget;
+
+	gtk_widget_show_all (GTK_WIDGET (main_layout));
+}
+
+GtkWidget *
+e_html_editor_link_dialog_new (EHTMLEditor *editor)
+{
+	return GTK_WIDGET (
+		g_object_new (
+			E_TYPE_HTML_EDITOR_LINK_DIALOG,
+			"editor", editor,
+			"icon-name", "insert-link",
+			"title", N_("Link Properties"),
+			NULL));
+}