[evolution/wip/webkit-composer: 197/262] Allow wrapping for paragraphs with formatted text (bold, italic, ..)
- From: Tomas Popela <tpopela src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [evolution/wip/webkit-composer: 197/262] Allow wrapping for paragraphs with formatted text (bold, italic, ..)
- Date: Thu, 16 Jan 2014 10:04:26 +0000 (UTC)
commit 417091ccd5bcfef27e98170473afc94aa83dfa88
Author: Tomas Popela <tpopela redhat com>
Date: Fri Jun 14 14:20:54 2013 +0200
Allow wrapping for paragraphs with formatted text (bold, italic, ..)
Also most of the code was rewritten to simplify the wrapping. Also when
paragraph formatting is changed to 'Normal' we are immediately marking it
for wrapping.
e-util/e-editor-selection.c | 294 ++++++++++++++++++++++++++-----------------
e-util/e-editor-widget.c | 1 +
2 files changed, 180 insertions(+), 115 deletions(-)
---
diff --git a/e-util/e-editor-selection.c b/e-util/e-editor-selection.c
index 63f1a76..2ee5e59 100644
--- a/e-util/e-editor-selection.c
+++ b/e-util/e-editor-selection.c
@@ -1394,6 +1394,24 @@ e_editor_selection_set_block_format (EEditorSelection *selection,
}
}
+ /* If we were inserting new paragraph, mark it for wrapping */
+ if (format == E_EDITOR_SELECTION_BLOCK_FORMAT_PARAGRAPH) {
+ WebKitDOMRange *range;
+ WebKitDOMNode *node;
+ WebKitDOMElement *paragraph;
+
+ range = editor_selection_get_current_range (selection);
+ node = webkit_dom_range_get_start_container (range, NULL);
+
+ paragraph = e_editor_dom_node_find_child_element (node, "P");
+ if (paragraph == NULL)
+ paragraph = e_editor_dom_node_find_parent_element (node, "P");
+
+ if (paragraph != NULL) {
+ webkit_dom_element_set_class_name (WEBKIT_DOM_ELEMENT (paragraph),
"-x-evo-paragraph");
+ }
+ }
+
g_object_unref (editor_widget);
g_object_notify (G_OBJECT (selection), "block-format");
@@ -2368,12 +2386,29 @@ save_caret_position (EEditorSelection *selection)
}
static void
+move_caret_into_element (WebKitDOMDocument *document,
+ WebKitDOMElement *element)
+{
+ WebKitDOMDOMWindow *window;
+ WebKitDOMDOMSelection *window_selection;
+ WebKitDOMRange *new_range;
+
+ window = webkit_dom_document_get_default_view (document);
+ window_selection = webkit_dom_dom_window_get_selection (window);
+ new_range = webkit_dom_document_create_range (document);
+
+ webkit_dom_range_select_node_contents (
+ new_range, WEBKIT_DOM_NODE (element), NULL);
+ webkit_dom_range_collapse (new_range, FALSE, NULL);
+ webkit_dom_dom_selection_remove_all_ranges (window_selection);
+ webkit_dom_dom_selection_add_range (window_selection, new_range);
+}
+
+static void
restore_caret_position (EEditorSelection *selection)
{
EEditorWidget *widget;
WebKitDOMDocument *document;
- WebKitDOMDOMWindow *window;
- WebKitDOMDOMSelection *window_selection;
WebKitDOMElement *element;
g_return_if_fail (E_IS_EDITOR_SELECTION (selection));
@@ -2382,23 +2417,10 @@ restore_caret_position (EEditorSelection *selection)
g_return_if_fail (widget != NULL);
document = webkit_web_view_get_dom_document (WEBKIT_WEB_VIEW (widget));
- window = webkit_dom_document_get_default_view (document);
- window_selection = webkit_dom_dom_window_get_selection (window);
element = webkit_dom_document_get_element_by_id (document, "-x-evo-caret-position");
if (element) {
- WebKitDOMRange *new_range;
-
- window = webkit_dom_document_get_default_view (document);
- window_selection = webkit_dom_dom_window_get_selection (window);
- new_range = webkit_dom_document_create_range (document);
-
- webkit_dom_range_select_node_contents (
- new_range, WEBKIT_DOM_NODE (element), NULL);
- webkit_dom_range_collapse (new_range, FALSE, NULL);
- webkit_dom_dom_selection_remove_all_ranges (window_selection);
- webkit_dom_dom_selection_add_range (window_selection, new_range);
-
+ move_caret_into_element (document, element);
webkit_dom_node_remove_child (
webkit_dom_node_get_parent_node (WEBKIT_DOM_NODE (element)),
WEBKIT_DOM_NODE (element),
@@ -2486,45 +2508,71 @@ find_where_to_break_line (WebKitDOMNode *node,
return ret_val;
}
+static gboolean
+is_caret_position_node (WebKitDOMNode *node)
+{
+ return (WEBKIT_DOM_IS_HTML_ELEMENT (node) &&
+ (g_strcmp0 (webkit_dom_html_element_get_id (WEBKIT_DOM_HTML_ELEMENT (node)),
+ "-x-evo-caret-position")) == 0);
+}
+
static void
wrap_lines (EEditorSelection *selection,
+ WebKitDOMNode *paragraph,
WebKitWebView *web_view,
gboolean jump_to_previous_line,
gboolean remove_all_br,
- gint word_wrap_length)
+ gint word_wrap_length,
+ gboolean delete_pressed)
{
- WebKitDOMDocumentFragment *fragment;
WebKitDOMNode *node, *start_node;
+ WebKitDOMDocumentFragment *fragment;
WebKitDOMDocument *document;
WebKitDOMElement *element;
WebKitDOMNodeList *wrap_br;
gint len, ii, br_count;
- gchar *html;
gulong length_left;
+ glong paragraph_char_count;
+ WebKitDOMNode *paragraph_clone;
document = webkit_web_view_get_dom_document (web_view);
- fragment = webkit_dom_range_clone_contents (
- editor_selection_get_current_range (selection),
- NULL);
+ if (selection) {
+ paragraph_char_count = g_utf8_strlen (e_editor_selection_get_string (selection), -1);
- /* Select all BR elements or just ours that are used for wrapping.
- * We are not removing user BR elements when this function is activated
- * from Format->Wrap Lines action */
- wrap_br = webkit_dom_document_fragment_query_selector_all (
- fragment,
- remove_all_br ? "br" : "br.-x-evo-wrap-br",
- NULL);
+ fragment = webkit_dom_range_clone_contents (
+ editor_selection_get_current_range (selection),
+ NULL);
+
+ /* Select all BR elements or just ours that are used for wrapping.
+ * We are not removing user BR elements when this function is activated
+ * from Format->Wrap Lines action */
+ wrap_br = webkit_dom_document_fragment_query_selector_all (
+ fragment,
+ remove_all_br ? "br" : "br.-x-evo-wrap-br",
+ NULL);
+ } else {
+ paragraph_clone = webkit_dom_node_clone_node (paragraph, TRUE);
+ paragraph_char_count = g_utf8_strlen (webkit_dom_node_get_text_content (paragraph_clone), -1);
+
+ wrap_br = webkit_dom_element_query_selector_all (
+ WEBKIT_DOM_ELEMENT (paragraph_clone),
+ remove_all_br ? "br" : "br.-x-evo-wrap-br",
+ NULL);
+ }
/* And remove them */
br_count = webkit_dom_node_list_get_length (wrap_br);
- for (ii = br_count - 1; ii >= 0; ii--) {
+ for (ii = 0; ii < br_count; ii++) {
WebKitDOMNode *br = webkit_dom_node_list_item (wrap_br, ii);
webkit_dom_node_remove_child (
webkit_dom_node_get_parent_node (br), br, NULL);
}
- node = WEBKIT_DOM_NODE (fragment);
+ if (selection)
+ node = WEBKIT_DOM_NODE (fragment);
+ else
+ node = webkit_dom_node_get_first_child (paragraph_clone);
start_node = node;
len = 0;
@@ -2532,14 +2580,11 @@ wrap_lines (EEditorSelection *selection,
if (WEBKIT_DOM_IS_TEXT (node)) {
if (jump_to_previous_line) {
/* If we need to jump to the previous line (e.g. Backspace pressed
- * on the beginning of line we need to remove last character on
+ * on the beginning of line, we need to remove last character on
* the line that is above that line */
WebKitDOMNode *next_sibling = webkit_dom_node_get_next_sibling (node);
- if (WEBKIT_DOM_IS_HTML_ELEMENT (next_sibling) &&
- (g_strcmp0 (webkit_dom_html_element_get_id (WEBKIT_DOM_HTML_ELEMENT
(next_sibling)),
- "-x-evo-caret-position")) == 0) {
-
+ if (is_caret_position_node (next_sibling)) {
webkit_dom_character_data_delete_data (
WEBKIT_DOM_CHARACTER_DATA (node),
webkit_dom_character_data_get_length
(WEBKIT_DOM_CHARACTER_DATA (node)) - 1,
@@ -2573,6 +2618,20 @@ wrap_lines (EEditorSelection *selection,
node = webkit_dom_node_get_next_sibling (node);
continue;
}
+
+ if (is_caret_position_node (node)) {
+ node = webkit_dom_node_get_next_sibling (node);
+
+ /* If Delete key is pressed on the end of line, we need to manually
+ * delete the first character of the line that is below us */
+ if (delete_pressed && (paragraph_char_count / (br_count + 1)) >
word_wrap_length) {
+ WebKitDOMNode *next_text = webkit_dom_node_get_next_sibling (node);
+ webkit_dom_character_data_delete_data (
+ WEBKIT_DOM_CHARACTER_DATA (next_text), 0, 1, NULL);
+ }
+ continue;
+ }
+
/* When we are not removing user-entered BR elements (lines wrapped by user),
* we need to skip those elements */
if (!remove_all_br && g_strcmp0 (webkit_dom_node_get_local_name (node), "br") == 0) {
@@ -2589,14 +2648,12 @@ wrap_lines (EEditorSelection *selection,
} else if (webkit_dom_node_get_next_sibling (node)) {
node = webkit_dom_node_get_next_sibling (node);
} else {
- if (webkit_dom_node_is_equal_node (node, start_node)) {
+ if (webkit_dom_node_is_equal_node (node, start_node))
break;
- }
node = webkit_dom_node_get_parent_node (node);
- if (node) {
+ if (node)
node = webkit_dom_node_get_next_sibling (node);
- }
}
continue;
}
@@ -2687,22 +2744,33 @@ wrap_lines (EEditorSelection *selection,
}
}
- /* Create a wrapper DIV and put the processed content into it */
- element = webkit_dom_document_create_element (document, "DIV", NULL);
- webkit_dom_node_append_child (
- WEBKIT_DOM_NODE (element),
- WEBKIT_DOM_NODE (start_node),
- NULL);
+ if (selection) {
+ gchar *html;
- /* Get HTML code of the processed content */
- html = webkit_dom_html_element_get_inner_html (
- WEBKIT_DOM_HTML_ELEMENT (element));
+ /* Create a wrapper DIV and put the processed content into it */
+ element = webkit_dom_document_create_element (document, "DIV", NULL);
+ webkit_dom_element_set_class_name (WEBKIT_DOM_ELEMENT (element), "-x-evo-paragraph");
+ webkit_dom_node_append_child (
+ WEBKIT_DOM_NODE (element),
+ WEBKIT_DOM_NODE (start_node),
+ NULL);
+
+ /* Get HTML code of the processed content */
+ html = webkit_dom_html_element_get_inner_html (WEBKIT_DOM_HTML_ELEMENT (element));
+
+ /* Overwrite the current selection be the processed content */
+ e_editor_selection_insert_html (selection, html);
- /* Overwrite the current selection be the processed content, so that
- * "UNDO" and "REDO" buttons work as expected */
- e_editor_selection_insert_html (selection, html);
+ g_free (html);
- g_free (html);
+ } else {
+ /* Replace paragraph with wrapped one */
+ webkit_dom_node_replace_child (
+ webkit_dom_node_get_parent_node (paragraph),
+ paragraph_clone,
+ paragraph,
+ NULL);
+ }
}
static gboolean
@@ -2741,8 +2809,10 @@ e_editor_selection_wrap_lines (EEditorSelection *selection,
WebKitDOMDocument *document;
WebKitDOMDOMWindow *window;
WebKitDOMDOMSelection *window_selection;
+ WebKitDOMElement *active_paragraph;
gboolean adding = FALSE;
gboolean return_pressed = FALSE;
+ gboolean delete_pressed = FALSE;
gboolean jump_to_previous_line = FALSE;
gboolean previously_wrapped = FALSE;
@@ -2759,6 +2829,9 @@ e_editor_selection_wrap_lines (EEditorSelection *selection,
return_pressed = TRUE;
}
+ if (event->keyval == GDK_KEY_Delete)
+ delete_pressed = TRUE;
+
if (return_pressed || (event->keyval == GDK_KEY_space))
adding = TRUE;
}
@@ -2770,6 +2843,7 @@ e_editor_selection_wrap_lines (EEditorSelection *selection,
if (while_typing) {
WebKitDOMNode *end_container;
WebKitDOMNode *parent;
+ WebKitDOMNode *paragraph;
gulong start_offset;
/* We need to save caret position and restore it after
@@ -2795,81 +2869,65 @@ e_editor_selection_wrap_lines (EEditorSelection *selection,
parent = webkit_dom_node_get_parent_node(end_container);
if (WEBKIT_DOM_IS_HTML_DIV_ELEMENT (parent) || WEBKIT_DOM_IS_HTML_PARAGRAPH_ELEMENT (parent))
{
webkit_dom_element_set_class_name (WEBKIT_DOM_ELEMENT (parent), "-x-evo-paragraph");
+ paragraph = parent;
} else {
- /* If Return is pressed we need to select element above caret */
- if (return_pressed) {
- WebKitDOMNode *position = WEBKIT_DOM_NODE
(webkit_dom_document_get_element_by_id (document, "-x-evo-caret-position"));
- end_container = webkit_dom_node_get_previous_sibling (position);
- }
- else {
- /* When some weird element is selected, return */
- clear_caret_position_marker (selection);
- return;
+ WebKitDOMElement *parent_div = e_editor_dom_node_find_parent_element (parent, "DIV");
+
+ if (parent_div && g_strcmp0 (webkit_dom_element_get_class_name (parent_div),
"-x-evo-paragraph") == 0) {
+ paragraph = WEBKIT_DOM_NODE (parent_div);
+ } else {
+ /* If Return is pressed we need to select element above caret */
+ if (return_pressed) {
+ WebKitDOMNode *position = WEBKIT_DOM_NODE
(webkit_dom_document_get_element_by_id (document, "-x-evo-caret-position"));
+ paragraph = webkit_dom_node_get_previous_sibling (position);
+ } else {
+ /* When some weird element is selected, return */
+ clear_caret_position_marker (selection);
+ return;
+ }
}
}
- if (previously_wrapped) {
- /* Modifying previously wrapped line */
+ webkit_dom_html_element_set_id (WEBKIT_DOM_HTML_ELEMENT (paragraph),
"-x-evo-active-paragraph");
+ if (previously_wrapped) {
/* If we are on the beginning of line we need to remember it */
if (!adding && start_offset > selection->priv->word_wrap_length)
jump_to_previous_line = TRUE;
-
+ } else {
webkit_dom_dom_selection_select_all_children (
window_selection,
- webkit_dom_node_get_parent_node (end_container),
+ paragraph,
NULL);
- webkit_dom_range_select_node_contents (
- range,
- webkit_dom_node_get_parent_node (end_container),
- NULL);
- } else {
- if (adding && return_pressed) {
- /* If return is pressed end_container is already set
- * to parent (DIV or P) */
- webkit_dom_dom_selection_select_all_children (
- window_selection,
- end_container,
- NULL);
- } else {
- webkit_dom_dom_selection_select_all_children (
- window_selection,
- webkit_dom_node_get_parent_node (end_container),
- NULL);
- }
-
/* If there is less than word_wrap_length characters do nothing */
if (g_utf8_strlen (e_editor_selection_get_string (selection), -1) <
selection->priv->word_wrap_length) {
if (return_pressed) {
- webkit_dom_dom_selection_collapse_to_end (window_selection, NULL);
+ active_paragraph = webkit_dom_document_get_element_by_id (document,
"-x-evo-active-paragraph");
clear_caret_position_marker (selection);
+ move_caret_into_element (document, active_paragraph);
webkit_dom_dom_selection_modify (window_selection, "move", "forward",
"character");
+ webkit_dom_element_remove_attribute (WEBKIT_DOM_ELEMENT
(active_paragraph), "id");
} else {
+ active_paragraph = webkit_dom_document_get_element_by_id (document,
"-x-evo-active-paragraph");
+ webkit_dom_element_remove_attribute (WEBKIT_DOM_ELEMENT
(active_paragraph), "id");
restore_caret_position (selection);
}
return;
}
- if (return_pressed)
- /* If return is pressed end_container is already set
- * to parent (DIV or P) */
- webkit_dom_range_select_node_contents (
- range,
- end_container,
- NULL);
- else
- webkit_dom_range_select_node_contents (
- range,
- webkit_dom_node_get_parent_node (end_container),
- NULL);
-
if (!adding && start_offset > selection->priv->word_wrap_length)
jump_to_previous_line = TRUE;
}
- wrap_lines (selection, web_view, jump_to_previous_line,
- FALSE, selection->priv->word_wrap_length);
+ webkit_dom_dom_selection_select_all_children (
+ window_selection,
+ paragraph,
+ NULL);
+
+ wrap_lines (NULL, paragraph, web_view, jump_to_previous_line,
+ FALSE, selection->priv->word_wrap_length, delete_pressed);
+
} else {
/* When there is nothing selected, we select and wrap everything
* that is not containing signature */
@@ -2898,32 +2956,38 @@ e_editor_selection_wrap_lines (EEditorSelection *selection,
if (!webkit_dom_node_contains (node, signature)
&& !webkit_dom_node_contains (signature, node)) {
- webkit_dom_dom_selection_select_all_children (
- window_selection,
- node,
- NULL);
- wrap_lines (selection, web_view, jump_to_previous_line,
- FALSE, selection->priv->word_wrap_length);
+
+ wrap_lines (NULL, node, web_view, jump_to_previous_line,
+ FALSE, selection->priv->word_wrap_length,
delete_pressed);
}
}
} else {
- /* Select all */
- EEditorWidgetCommand command;
- command = E_EDITOR_WIDGET_COMMAND_SELECT_ALL;
- e_editor_widget_exec_command (editor_widget, command, NULL);
- wrap_lines (selection, web_view, jump_to_previous_line,
- FALSE, selection->priv->word_wrap_length);
+ /* Wrap all */
+ WebKitDOMNode *body;
+ body = WEBKIT_DOM_NODE (webkit_dom_document_get_body (document));
+ wrap_lines (NULL, body, web_view, jump_to_previous_line,
+ FALSE, selection->priv->word_wrap_length, delete_pressed);
}
+ } else {
+ /* If we have selection -> wrap it */
+ wrap_lines (selection, NULL, web_view, jump_to_previous_line,
+ FALSE, selection->priv->word_wrap_length, delete_pressed);
}
}
/* We have to move caret on position where it was before modifying the text */
if (return_pressed) {
+ active_paragraph = webkit_dom_document_get_element_by_id (document,
"-x-evo-active-paragraph");
clear_caret_position_marker (selection);
- /* If Return is pressed we need to move the caret again below the text */
+ move_caret_into_element (document, active_paragraph);
webkit_dom_dom_selection_modify (window_selection, "move", "forward", "character");
- } else
+ } else {
restore_caret_position (selection);
+ }
+
+ /* Set paragraph as non-active */
+ active_paragraph = webkit_dom_document_get_element_by_id (document, "-x-evo-active-paragraph");
+ webkit_dom_element_remove_attribute (WEBKIT_DOM_ELEMENT (active_paragraph), "id");
g_object_unref (editor_widget);
}
diff --git a/e-util/e-editor-widget.c b/e-util/e-editor-widget.c
index 069ad43..74aefbc 100644
--- a/e-util/e-editor-widget.c
+++ b/e-util/e-editor-widget.c
@@ -1850,6 +1850,7 @@ do_set_text_plain (EEditorWidget *widget,
gchar *data_copy = NULL;
if (strstr (data, UNICODE_HIDDEN_SPACE)) {
+ data_copy = g_new (gchar, strlen (data));
g_utf8_strncpy (data_copy, data, g_utf8_strlen (data, -1) - 1);
ptr = data_copy;
changing = TRUE;
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