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/*
* Copyright (c) 2021, Peter Elliott <pelliott@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "DesktopStatusWindow.h"
#include <LibGUI/Desktop.h>
#include <LibGUI/Painter.h>
#include <LibGUI/Widget.h>
#include <LibGUI/WindowManagerServerConnection.h>
#include <LibGfx/Palette.h>
class DesktopStatusWidget : public GUI::Widget {
C_OBJECT(DesktopStatusWidget);
public:
virtual ~DesktopStatusWidget() override
{
}
Gfx::IntRect rect_for_desktop(unsigned row, unsigned col) const
{
auto& desktop = GUI::Desktop::the();
auto vcols = desktop.workspace_columns();
auto vrows = desktop.workspace_rows();
auto desktop_width = (width() - gap() * (vcols - 1)) / vcols;
auto desktop_height = (height() - gap() * (vrows - 1)) / vrows;
return {
col * (desktop_width + gap()), row * (desktop_height + gap()),
desktop_width, desktop_height
};
}
virtual void paint_event(GUI::PaintEvent& event) override
{
GUI::Widget::paint_event(event);
GUI::Painter painter(*this);
painter.add_clip_rect(event.rect());
painter.fill_rect({ 0, 0, width(), height() }, palette().button());
auto& desktop = GUI::Desktop::the();
auto active_color = palette().active_window_border1();
auto inactive_color = palette().inactive_window_border1();
for (unsigned row = 0; row < desktop.workspace_rows(); ++row) {
for (unsigned col = 0; col < desktop.workspace_columns(); ++col) {
painter.fill_rect(rect_for_desktop(row, col),
(row == current_row() && col == current_col()) ? active_color : inactive_color);
}
}
}
virtual void mousedown_event(GUI::MouseEvent& event) override
{
auto base_rect = rect_for_desktop(0, 0);
auto row = event.y() / (base_rect.height() + gap());
auto col = event.x() / (base_rect.width() + gap());
// Handle case where divider is clicked.
if (rect_for_desktop(row, col).contains(event.position()))
GUI::WindowManagerServerConnection::the().async_set_workspace(row, col);
}
virtual void mousewheel_event(GUI::MouseEvent& event) override
{
auto& desktop = GUI::Desktop::the();
auto col = current_col();
auto row = current_row();
auto vcols = desktop.workspace_columns();
auto vrows = desktop.workspace_rows();
auto direction = event.wheel_delta_y() < 0 ? 1 : -1;
if (event.modifiers() & Mod_Shift)
col = abs((int)col + direction) % vcols;
else
row = abs((int)row + direction) % vrows;
GUI::WindowManagerServerConnection::the().async_set_workspace(row, col);
}
unsigned current_row() const { return m_current_row; }
void set_current_row(unsigned row) { m_current_row = row; }
unsigned current_col() const { return m_current_col; }
void set_current_col(unsigned col) { m_current_col = col; }
unsigned gap() const { return m_gap; }
private:
DesktopStatusWidget()
{
}
unsigned m_gap { 1 };
unsigned m_current_row;
unsigned m_current_col;
};
DesktopStatusWindow::DesktopStatusWindow()
{
GUI::Desktop::the().on_receive_screen_rects([&](GUI::Desktop&) {
update();
});
set_window_type(GUI::WindowType::Applet);
set_has_alpha_channel(true);
m_widget = &set_main_widget<DesktopStatusWidget>();
}
DesktopStatusWindow::~DesktopStatusWindow()
{
}
void DesktopStatusWindow::wm_event(GUI::WMEvent& event)
{
if (event.type() == GUI::Event::WM_WorkspaceChanged) {
auto& changed_event = static_cast<GUI::WMWorkspaceChangedEvent&>(event);
m_widget->set_current_row(changed_event.current_row());
m_widget->set_current_col(changed_event.current_column());
update();
}
}
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