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LibGUI: Allow editing ColorInput widgets as text

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You can now enter a specific color as #rrggbb instead of clicking your
way through the color picker.

If you still want the color picker, just click the little color rect in
the widget and we'll bring up a ColorPicker. For a visual cue that this
rect is interactive, we use a hover hand cursor when hovering the rect.
This commit is contained in:
Andreas Kling 2020-04-29 15:24:34 +02:00
parent 033a4aee50
commit bc305a16ae
2 changed files with 46 additions and 53 deletions
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87
Libraries/LibGUI/ColorInput.cpp
View file

@ -25,9 +25,9 @@
*/
#include <LibCore/Timer.h>
#include <LibGUI/ColorInput.h>
#include <LibGUI/ColorPicker.h>
#include <LibGUI/Painter.h>
#include <LibGUI/ColorInput.h>
#include <LibGfx/Palette.h>
namespace GUI {
@ -35,83 +35,78 @@ namespace GUI {
ColorInput::ColorInput()
: TextEditor(TextEditor::SingleLine)
{
set_readonly(true);
TextEditor::on_change = [this] {
auto parsed_color = Color::from_string(text());
if (parsed_color.has_value())
set_color_without_changing_text(parsed_color.value());
};
}
ColorInput::~ColorInput()
{
}
void ColorInput::set_color(Color color)
Gfx::Rect ColorInput::color_rect() const
{
auto color_box_padding = 3;
auto color_box_size = height() - color_box_padding - color_box_padding;
return { width() - color_box_size - color_box_padding, color_box_padding, color_box_size, color_box_size };
}
void ColorInput::set_color_without_changing_text(Color color)
{
if (m_color == color)
return;
m_color = color;
set_text(color.to_string());
update();
if (on_change)
on_change();
}
void ColorInput::set_color(Color color)
{
if (m_color == color)
return;
set_text(color.to_string());
};
void ColorInput::mousedown_event(MouseEvent& event)
{
if (event.button() == MouseButton::Left) {
if (is_enabled()) {
m_being_pressed = true;
update();
if (is_enabled() && color_rect().contains(event.position())) {
auto dialog = GUI::ColorPicker::construct(m_color, window(), m_color_picker_title);
if (dialog->exec() == GUI::Dialog::ExecOK)
set_color(dialog->color());
event.accept();
return;
}
}
Widget::mousedown_event(event);
TextEditor::mousedown_event(event);
}
void ColorInput::mouseup_event(MouseEvent& event)
void ColorInput::mousemove_event(MouseEvent& event)
{
if (event.button() == MouseButton::Left) {
if (is_enabled()) {
bool was_being_pressed = m_being_pressed;
m_being_pressed = false;
update();
if (was_being_pressed)
click();
}
if (color_rect().contains(event.position())) {
window()->set_override_cursor(StandardCursor::Hand);
event.accept();
return;
} else {
window()->set_override_cursor(StandardCursor::IBeam);
}
Widget::mouseup_event(event);
}
void ColorInput::enter_event(Core::Event&)
{
ASSERT(window());
window()->set_override_cursor(StandardCursor::Arrow);
TextEditor::mousemove_event(event);
}
void ColorInput::paint_event(PaintEvent& event)
{
// Set cursor color to base color and stop timer. FIXME: Find better way to hide cursor.
auto pal = palette();
pal.set_color(ColorRole::TextCursor, palette().base());
set_palette(pal);
stop_timer();
TextEditor::paint_event(event);
auto color_box_padding = 3;
auto color_box_size = event.rect().height() - color_box_padding - color_box_padding;
Painter painter(*this);
painter.fill_rect({ event.rect().width() - color_box_size - color_box_padding , color_box_padding, color_box_size, color_box_size}, m_color);
}
painter.add_clip_rect(event.rect());
void ColorInput::click()
{
if (!is_enabled())
return;
auto dialog = GUI::ColorPicker::construct(m_color, window(), m_color_picker_title);
if (dialog->exec() == GUI::Dialog::ExecOK) {
auto tmp = dialog->color();
set_color(tmp);
}
painter.fill_rect(color_rect(), m_color);
painter.draw_rect(color_rect(), Color::Black);
}
}