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IRCClient+LibGUI: Add an input box so we can send messages to channels.

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Implement this using a GTextEditor with a special single-line mode.
This new mode needs some polishing, but it's already very useful.
This commit is contained in:
Andreas Kling 2019-03-15 17:37:13 +01:00
parent ad08165a25
commit 1fc283ed7d
12 changed files with 126 additions and 23 deletions
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40
LibGUI/GTextEditor.cpp
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@ -9,13 +9,15 @@
#include <fcntl.h>
#include <stdio.h>
GTextEditor::GTextEditor(GWidget* parent)
GTextEditor::GTextEditor(Type type, GWidget* parent)
: GWidget(parent)
, m_type(type)
{
set_font(GFontDatabase::the().get_by_name("Csilla Thin"));
m_vertical_scrollbar = new GScrollBar(Orientation::Vertical, this);
m_vertical_scrollbar->set_step(4);
m_vertical_scrollbar->set_visible(is_multi_line());
m_vertical_scrollbar->on_change = [this] (int) {
update();
};
@ -23,12 +25,14 @@ GTextEditor::GTextEditor(GWidget* parent)
m_horizontal_scrollbar = new GScrollBar(Orientation::Horizontal, this);
m_horizontal_scrollbar->set_step(4);
m_horizontal_scrollbar->set_big_step(30);
m_horizontal_scrollbar->set_visible(is_multi_line());
m_horizontal_scrollbar->on_change = [this] (int) {
update();
};
m_corner_widget = new GWidget(this);
m_corner_widget->set_fill_with_background_color(true);
m_corner_widget->set_visible(is_multi_line());
m_lines.append(make<Line>());
}
@ -63,9 +67,11 @@ void GTextEditor::set_text(const String& text)
void GTextEditor::resize_event(GResizeEvent& event)
{
update_scrollbar_ranges();
m_vertical_scrollbar->set_relative_rect(event.size().width() - m_vertical_scrollbar->preferred_size().width(), 0, m_vertical_scrollbar->preferred_size().width(), event.size().height() - m_horizontal_scrollbar->preferred_size().height());
m_horizontal_scrollbar->set_relative_rect(0, event.size().height() - m_horizontal_scrollbar->preferred_size().height(), event.size().width() - m_vertical_scrollbar->preferred_size().width(), m_horizontal_scrollbar->preferred_size().height());
m_corner_widget->set_relative_rect(m_horizontal_scrollbar->rect().right() + 1, m_vertical_scrollbar->rect().bottom() + 1, m_horizontal_scrollbar->height(), m_vertical_scrollbar->width());
if (is_multi_line()) {
m_vertical_scrollbar->set_relative_rect(event.size().width() - m_vertical_scrollbar->preferred_size().width(), 0, m_vertical_scrollbar->preferred_size().width(), event.size().height() - m_horizontal_scrollbar->preferred_size().height());
m_horizontal_scrollbar->set_relative_rect(0, event.size().height() - m_horizontal_scrollbar->preferred_size().height(), event.size().width() - m_vertical_scrollbar->preferred_size().width(), m_horizontal_scrollbar->preferred_size().height());
m_corner_widget->set_relative_rect(m_horizontal_scrollbar->rect().right() + 1, m_vertical_scrollbar->rect().bottom() + 1, m_horizontal_scrollbar->height(), m_vertical_scrollbar->width());
}
}
void GTextEditor::update_scrollbar_ranges()
@ -441,6 +447,11 @@ void GTextEditor::insert_at_cursor(char ch)
bool at_head = m_cursor.column() == 0;
bool at_tail = m_cursor.column() == current_line().length();
if (ch == '\n') {
if (is_single_line()) {
if (on_return_pressed)
on_return_pressed(*this);
return;
}
if (at_tail || at_head) {
m_lines.insert(m_cursor.line() + (at_tail ? 1 : 0), make<Line>());
update_scrollbar_ranges();
@ -689,6 +700,27 @@ bool GTextEditor::write_to_file(const String& path)
return true;
}
String GTextEditor::text() const
{
StringBuilder builder;
for (int i = 0; i < line_count(); ++i) {
auto& line = *m_lines[i];
builder.append(line.characters(), line.length());
if (i != line_count() - 1)
builder.append('\n');
}
return builder.to_string();
}
void GTextEditor::clear()
{
m_lines.clear();
m_lines.append(make<Line>());
m_selection.clear();
set_cursor(0, 0);
update();
}
String GTextEditor::selected_text() const
{
if (!has_selection())