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TextEditor: Allow turning off the preview mode

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This patch adds a PreviewMode enum with the following values:

- None
- Markdown
- HTML

This makes it a bit more logical to implement exclusive behavior.
This commit is contained in:
Andreas Kling
2020-07-04 21:19:01 +02:00
parent a378500b45
commit efc335c457
2 changed files with 54 additions and 28 deletions
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67
Applications/TextEditor/TextEditorWidget.cpp
View File

@@ -71,11 +71,7 @@ TextEditorWidget::TextEditorWidget()
m_editor->set_line_wrapping_enabled(true);
m_editor->on_change = [this] {
if (m_markdown_preview_enabled)
update_markdown_preview();
if (m_html_preview_enabled)
update_html_preview();
update_preview();
// Do not mark as dirty on the first change (When document is first opened.)
if (m_document_opening) {
@@ -387,18 +383,24 @@ TextEditorWidget::TextEditorWidget()
edit_menu.add_action(*m_replace_previous_action);
edit_menu.add_action(*m_replace_all_action);
m_no_preview_action = GUI::Action::create_checkable(
"No preview", [this](auto&) {
set_preview_mode(PreviewMode::None);
});
m_markdown_preview_action = GUI::Action::create_checkable(
"Markdown preview", [this](auto& action) {
set_markdown_preview_enabled(action.is_checked());
"Markdown preview", [this](auto&) {
set_preview_mode(PreviewMode::Markdown);
},
this);
m_html_preview_action = GUI::Action::create_checkable(
"HTML preview", [this](auto& action) {
set_html_preview_enabled(action.is_checked());
"HTML preview", [this](auto&) {
set_preview_mode(PreviewMode::HTML);
},
this);
m_preview_actions.add_action(*m_no_preview_action);
m_preview_actions.add_action(*m_markdown_preview_action);
m_preview_actions.add_action(*m_html_preview_action);
m_preview_actions.set_exclusive(true);
@@ -406,6 +408,7 @@ TextEditorWidget::TextEditorWidget()
auto& view_menu = menubar->add_menu("View");
view_menu.add_action(*m_line_wrapping_setting_action);
view_menu.add_separator();
view_menu.add_action(*m_no_preview_action);
view_menu.add_action(*m_markdown_preview_action);
view_menu.add_action(*m_html_preview_action);
view_menu.add_separator();
@@ -494,8 +497,12 @@ void TextEditorWidget::set_path(const LexicalPath& lexical_path)
m_plain_text_highlight->activate();
}
set_markdown_preview_enabled(m_extension == "md");
set_html_preview_enabled(m_extension == "html");
if (m_extension == "md")
set_preview_mode(PreviewMode::Markdown);
else if (m_extension == "html")
set_preview_mode(PreviewMode::HTML);
else
set_preview_mode(PreviewMode::None);
update_title();
}
@@ -561,26 +568,38 @@ void TextEditorWidget::drop_event(GUI::DropEvent& event)
}
}
void TextEditorWidget::set_html_preview_enabled(bool enabled)
void TextEditorWidget::set_preview_mode(PreviewMode mode)
{
if (m_html_preview_enabled == enabled)
if (m_preview_mode == mode)
return;
m_html_preview_enabled = enabled;
m_html_preview_action->set_checked(enabled);
m_page_view->set_visible(enabled);
if (enabled)
m_preview_mode = mode;
if (m_preview_mode == PreviewMode::HTML) {
m_html_preview_action->set_checked(true);
m_page_view->set_visible(true);
update_html_preview();
} else if (m_preview_mode == PreviewMode::Markdown) {
m_markdown_preview_action->set_checked(true);
m_page_view->set_visible(true);
update_markdown_preview();
} else {
m_no_preview_action->set_checked(true);
m_page_view->set_visible(false);
}
}
void TextEditorWidget::set_markdown_preview_enabled(bool enabled)
void TextEditorWidget::update_preview()
{
if (m_markdown_preview_enabled == enabled)
return;
m_markdown_preview_enabled = enabled;
m_markdown_preview_action->set_checked(enabled);
m_page_view->set_visible(enabled);
if (enabled)
switch (m_preview_mode) {
case PreviewMode::Markdown:
update_markdown_preview();
break;
case PreviewMode::HTML:
update_html_preview();
break;
default:
break;
}
}
void TextEditorWidget::update_markdown_preview()