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#include "VBForm.h"
#include "VBWidget.h"
#include <LibGUI/GPainter.h>
#include <LibGUI/GMenu.h>
#include <LibGUI/GAction.h>
static VBForm* s_current;
VBForm* VBForm::current()
{
return s_current;
}
VBForm::VBForm(const String& name, GWidget* parent)
: GWidget(parent)
, m_name(name)
{
s_current = this;
set_fill_with_background_color(true);
set_background_color(Color::LightGray);
set_greedy_for_hits(true);
auto box1 = VBWidget::create(VBWidgetType::GSpinBox, *this);
box1->set_rect({ 10, 10, 81, 21 });
m_widgets.append(move(box1));
auto box2 = VBWidget::create(VBWidgetType::GTextEditor, *this);
box2->set_rect({ 100, 100, 161, 161 });
m_widgets.append(move(box2));
auto button1 = VBWidget::create(VBWidgetType::GButton, *this);
button1->set_rect({ 200, 50, 81, 21 });
m_widgets.append(move(button1));
auto groupbox1 = VBWidget::create(VBWidgetType::GGroupBox, *this);
groupbox1->set_rect({ 300, 150, 161, 51 });
m_widgets.append(move(groupbox1));
auto context_menu = make<GMenu>("Context menu");
context_menu->add_action(GAction::create("Item 1", [] (auto&) { dbgprintf("Item 1 activated!\n"); }));
context_menu->add_action(GAction::create("Item 2", [] (auto&) { dbgprintf("Item 2 activated!\n"); }));
set_context_menu(move(context_menu));
}
void VBForm::insert_widget(VBWidgetType type)
{
auto widget = VBWidget::create(type, *this);
widget->set_rect({ m_next_insertion_position, { m_grid_size * 10 + 1, m_grid_size * 5 + 1 } });
m_next_insertion_position.move_by(m_grid_size, m_grid_size);
m_widgets.append(move(widget));
}
VBForm::~VBForm()
{
}
void VBForm::paint_event(GPaintEvent& event)
{
GPainter painter(*this);
painter.add_clip_rect(event.rect());
for (int y = 0; y < height(); y += m_grid_size) {
for (int x = 0; x < width(); x += m_grid_size) {
painter.set_pixel({ x, y }, Color::Black);
}
}
}
void VBForm::second_paint_event(GPaintEvent& event)
{
GPainter painter(*this);
painter.add_clip_rect(event.rect());
for (auto& widget : m_widgets) {
if (widget->is_selected()) {
for_each_direction([&] (Direction direction) {
painter.fill_rect(widget->grabber_rect(direction), Color::Black);
});
}
}
}
bool VBForm::is_selected(const VBWidget& widget) const
{
return &widget == m_selected_widget;
}
VBWidget* VBForm::widget_at(const Point& position)
{
for (int i = m_widgets.size() - 1; i >= 0; --i) {
auto& widget = *m_widgets[i];
if (widget.rect().contains(position))
return &widget;
}
return nullptr;
}
void VBForm::grabber_mousedown_event(GMouseEvent& event, VBWidget& widget, Direction grabber)
{
m_transform_event_origin = event.position();
m_transform_widget_origin_rect = widget.rect();
m_resize_direction = grabber;
}
void VBForm::mousedown_event(GMouseEvent& event)
{
if (m_selected_widget && m_resize_direction == Direction::None) {
auto grabber = m_selected_widget->grabber_at(event.position());
if (grabber != Direction::None)
return grabber_mousedown_event(event, *m_selected_widget, grabber);
}
auto* widget = widget_at(event.position());
if (!widget) {
if (m_selected_widget) {
m_selected_widget = nullptr;
if (on_widget_selected)
on_widget_selected(nullptr);
update();
}
return;
}
if (event.button() == GMouseButton::Left) {
m_selected_widget = widget->make_weak_ptr();
m_transform_event_origin = event.position();
m_transform_widget_origin_rect = widget->rect();
if (on_widget_selected)
on_widget_selected(widget);
update();
}
}
void VBForm::mousemove_event(GMouseEvent& event)
{
if (event.buttons() & GMouseButton::Left && m_selected_widget) {
if (m_resize_direction == Direction::None) {
auto delta = event.position() - m_transform_event_origin;
auto new_rect = m_transform_widget_origin_rect.translated(delta);
new_rect.set_x(new_rect.x() - (new_rect.x() % m_grid_size));
new_rect.set_y(new_rect.y() - (new_rect.y() % m_grid_size));
m_selected_widget->set_rect(new_rect);
update();
return;
}
int diff_x = event.x() - m_transform_event_origin.x();
int diff_y = event.y() - m_transform_event_origin.y();
int change_x = 0;
int change_y = 0;
int change_w = 0;
int change_h = 0;
switch (m_resize_direction) {
case Direction::DownRight:
change_w = diff_x;
change_h = diff_y;
break;
case Direction::Right:
change_w = diff_x;
break;
case Direction::UpRight:
change_w = diff_x;
change_y = diff_y;
change_h = -diff_y;
break;
case Direction::Up:
change_y = diff_y;
change_h = -diff_y;
break;
case Direction::UpLeft:
change_x = diff_x;
change_w = -diff_x;
change_y = diff_y;
change_h = -diff_y;
break;
case Direction::Left:
change_x = diff_x;
change_w = -diff_x;
break;
case Direction::DownLeft:
change_x = diff_x;
change_w = -diff_x;
change_h = diff_y;
break;
case Direction::Down:
change_h = diff_y;
break;
default:
ASSERT_NOT_REACHED();
}
auto new_rect = m_transform_widget_origin_rect;
Size minimum_size { 5, 5 };
new_rect.set_x(new_rect.x() + change_x);
new_rect.set_y(new_rect.y() + change_y);
new_rect.set_width(max(minimum_size.width(), new_rect.width() + change_w));
new_rect.set_height(max(minimum_size.height(), new_rect.height() + change_h));
new_rect.set_x(new_rect.x() - (new_rect.x() % m_grid_size));
new_rect.set_y(new_rect.y() - (new_rect.y() % m_grid_size));
new_rect.set_width(new_rect.width() - (new_rect.width() % m_grid_size) + 1);
new_rect.set_height(new_rect.height() - (new_rect.height() % m_grid_size) + 1);
m_selected_widget->set_rect(new_rect);
update();
}
}
void VBForm::mouseup_event(GMouseEvent& event)
{
if (event.button() == GMouseButton::Left) {
m_transform_event_origin = { };
m_transform_widget_origin_rect = { };
m_resize_direction = Direction::None;
}
}
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