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LibGUI+TextEditor: Add the calculation of selected words

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This moves the calculation of selected words that was originally
in the TextEditor application to TextEditor in LibGUI.
This allows all applications with text editors to get
this number without having to calculating it themselves.
This commit is contained in:
ry-sev 2021-05-25 20:58:55 -04:00 committed by Linus Groh
parent 074813e441
commit 8146543a43
Notes: sideshowbarker 2024-07-18 17:20:41 +09:00 
Author: https://github.com/ry-sev
Commit: https://github.com/SerenityOS/serenity/commit/8146543a437
Pull-request: https://github.com/SerenityOS/serenity/pull/7473
3 changed files with 25 additions and 13 deletions
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14
Userland/Applications/TextEditor/MainWidget.cpp
View file

@ -765,20 +765,8 @@ void MainWidget::update_statusbar()
builder.appendff("Line: {}, Column: {}", m_editor->cursor().line() + 1, m_editor->cursor().column());
if (m_editor->has_selection()) {
int word_count = 0;
bool in_word = false;
String selected_text = m_editor->selected_text();
for (char c : selected_text) {
if (in_word && isspace(c)) {
in_word = false;
word_count++;
continue;
}
if (!in_word && !isspace(c))
in_word = true;
}
if (in_word)
word_count++;
auto word_count = m_editor->number_of_selected_words();
builder.appendff(" Selected: {} {} ({} {})", selected_text.length(), selected_text.length() == 1 ? "character" : "characters", word_count, word_count != 1 ? "words" : "word");
}
m_statusbar->set_text(builder.to_string());

23
Userland/Libraries/LibGUI/TextEditor.cpp
View file

@ -1217,6 +1217,29 @@ String TextEditor::selected_text() const
return document().text_in_range(m_selection);
}
size_t TextEditor::number_of_selected_words() const
{
if (!has_selection())
return 0;
size_t word_count = 0;
bool in_word = false;
auto selected_text = this->selected_text();
for (char c : selected_text) {
if (in_word && isspace(c)) {
in_word = false;
word_count++;
continue;
}
if (!in_word && !isspace(c))
in_word = true;
}
if (in_word)
word_count++;
return word_count;
}
void TextEditor::delete_selection()
{
auto selection = normalized_selection();

1
Userland/Libraries/LibGUI/TextEditor.h
View file

@ -115,6 +115,7 @@ public:
bool write_to_file(const String& path);
bool has_selection() const { return m_selection.is_valid(); }
String selected_text() const;
size_t number_of_selected_words() const;
void set_selection(const TextRange&);
void clear_selection();
bool can_undo() const { return document().can_undo(); }