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#include "WSMenu.h"
#include "WSEvent.h"
#include "WSEventLoop.h"
#include "WSMenuItem.h"
#include "WSScreen.h"
#include "WSWindow.h"
#include "WSWindowManager.h"
#include <LibDraw/CharacterBitmap.h>
#include <LibDraw/Font.h>
#include <LibDraw/Painter.h>
#include <LibDraw/StylePainter.h>
#include <WindowServer/WSAPITypes.h>
#include <WindowServer/WSClientConnection.h>
WSMenu::WSMenu(WSClientConnection* client, int menu_id, const String& name)
: CObject(client)
, m_client(client)
, m_menu_id(menu_id)
, m_name(move(name))
{
}
WSMenu::~WSMenu()
{
}
const Font& WSMenu::font() const
{
return Font::default_font();
}
static const char* s_checked_bitmap_data = {
" "
" # "
" ## "
" ### "
" ## ### "
" ##### "
" ### "
" # "
" "
};
static CharacterBitmap* s_checked_bitmap;
static const int s_checked_bitmap_width = 9;
static const int s_checked_bitmap_height = 9;
static const int s_checked_bitmap_padding = 6;
int WSMenu::width() const
{
int widest_text = 0;
int widest_shortcut = 0;
for (auto& item : m_items) {
if (item.type() != WSMenuItem::Text)
continue;
int text_width = font().width(item.text());
if (!item.shortcut_text().is_empty()) {
int shortcut_width = font().width(item.shortcut_text());
widest_shortcut = max(shortcut_width, widest_shortcut);
}
if (item.is_checkable())
text_width += s_checked_bitmap_width + s_checked_bitmap_padding;
widest_text = max(widest_text, text_width);
}
int widest_item = widest_text;
if (widest_shortcut)
widest_item += padding_between_text_and_shortcut() + widest_shortcut;
return max(widest_item, rect_in_menubar().width()) + horizontal_padding() + frame_thickness() * 2;
}
int WSMenu::height() const
{
if (m_items.is_empty())
return 0;
return (m_items.last().rect().bottom() - 1) + frame_thickness() * 2;
}
void WSMenu::redraw()
{
if (!menu_window())
return;
draw();
menu_window()->invalidate();
}
WSWindow& WSMenu::ensure_menu_window()
{
int width = this->width();
if (!m_menu_window) {
Point next_item_location(frame_thickness(), frame_thickness());
for (auto& item : m_items) {
int height = 0;
if (item.type() == WSMenuItem::Text)
height = item_height();
else if (item.type() == WSMenuItem::Separator)
height = 8;
item.set_rect({ next_item_location, { width - frame_thickness() * 2, height } });
next_item_location.move_by(0, height);
}
auto window = make<WSWindow>(*this, WSWindowType::Menu);
window->set_opacity(0.95f);
window->set_rect(0, 0, width, height());
m_menu_window = move(window);
draw();
}
return *m_menu_window;
}
void WSMenu::draw()
{
ASSERT(menu_window());
ASSERT(menu_window()->backing_store());
Painter painter(*menu_window()->backing_store());
Rect rect { {}, menu_window()->size() };
painter.fill_rect(rect.shrunken(6, 6), Color::WarmGray);
StylePainter::paint_window_frame(painter, rect);
int width = this->width();
if (!s_checked_bitmap)
s_checked_bitmap = &CharacterBitmap::create_from_ascii(s_checked_bitmap_data, s_checked_bitmap_width, s_checked_bitmap_height).leak_ref();
bool has_checkable_items = false;
for (auto& item : m_items)
has_checkable_items = has_checkable_items | item.is_checkable();
for (auto& item : m_items) {
if (item.type() == WSMenuItem::Text) {
Color text_color = Color::Black;
if (&item == m_hovered_item) {
painter.fill_rect(item.rect(), WSWindowManager::the().menu_selection_color());
text_color = Color::White;
}
if (!item.is_enabled())
text_color = Color::MidGray;
Rect text_rect = item.rect().translated(left_padding(), 0);
if (item.is_checkable()) {
Rect checkmark_rect { text_rect.location().x(), 0, s_checked_bitmap_width, s_checked_bitmap_height };
checkmark_rect.center_vertically_within(text_rect);
Rect checkbox_rect = checkmark_rect.inflated(4, 4);
painter.fill_rect(checkbox_rect, Color::White);
StylePainter::paint_frame(painter, checkbox_rect, FrameShape::Container, FrameShadow::Sunken, 2);
if (item.is_checked()) {
painter.draw_bitmap(checkmark_rect.location(), *s_checked_bitmap, Color::Black);
}
}
if (has_checkable_items)
text_rect.move_by(s_checked_bitmap_width + s_checked_bitmap_padding, 0);
painter.draw_text(text_rect, item.text(), TextAlignment::CenterLeft, text_color);
if (!item.shortcut_text().is_empty()) {
painter.draw_text(item.rect().translated(-right_padding(), 0), item.shortcut_text(), TextAlignment::CenterRight, text_color);
}
} else if (item.type() == WSMenuItem::Separator) {
Point p1(4, item.rect().center().y());
Point p2(width - 5, item.rect().center().y());
painter.draw_line(p1, p2, Color::MidGray);
painter.draw_line(p1.translated(0, 1), p2.translated(0, 1), Color::White);
}
}
}
void WSMenu::event(CEvent& event)
{
if (event.type() == WSEvent::MouseMove) {
ASSERT(menu_window());
auto* item = item_at(static_cast<const WSMouseEvent&>(event).position());
if (!item || m_hovered_item == item)
return;
m_hovered_item = item;
redraw();
return;
}
if (event.type() == WSEvent::MouseUp) {
ASSERT(menu_window());
if (!m_hovered_item)
return;
if (m_hovered_item->is_enabled())
did_activate(*m_hovered_item);
clear_hovered_item();
return;
}
CObject::event(event);
}
void WSMenu::clear_hovered_item()
{
if (!m_hovered_item)
return;
m_hovered_item = nullptr;
redraw();
}
void WSMenu::did_activate(WSMenuItem& item)
{
if (on_item_activation)
on_item_activation(item);
close();
WSAPI_ServerMessage message;
message.type = WSAPI_ServerMessage::Type::MenuItemActivated;
message.menu.menu_id = m_menu_id;
message.menu.identifier = item.identifier();
if (m_client)
m_client->post_message(message);
}
WSMenuItem* WSMenu::item_with_identifier(unsigned identifer)
{
for (auto& item : m_items) {
if (item.identifier() == identifer)
return &item;
}
return nullptr;
}
WSMenuItem* WSMenu::item_at(const Point& position)
{
for (auto& item : m_items) {
if (item.rect().contains(position))
return &item;
}
return nullptr;
}
void WSMenu::close()
{
WSWindowManager::the().close_menu(*this);
if (menu_window())
menu_window()->set_visible(false);
}
void WSMenu::popup(const Point& position)
{
ASSERT(!is_empty());
auto& window = ensure_menu_window();
const int margin = 30;
Point adjusted_pos = position;
if (adjusted_pos.x() + window.width() >= WSScreen::the().width() - margin) {
adjusted_pos = adjusted_pos.translated(-window.width(), 0);
}
if (adjusted_pos.y() + window.height() >= WSScreen::the().height() - margin) {
adjusted_pos = adjusted_pos.translated(0, -window.height());
}
window.move_to(adjusted_pos);
window.set_visible(true);
WSWindowManager::the().set_current_menu(this);
}
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