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128 lines
4 KiB
C++
128 lines
4 KiB
C++
/*
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* Copyright (c) 2021, Peter Elliott <pelliott@serenityos.org>
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* Copyright (c) 2022, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "DesktopStatusWindow.h"
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#include <LibGUI/ConnectionToWindowManagerServer.h>
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#include <LibGUI/Desktop.h>
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#include <LibGUI/Painter.h>
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#include <LibGUI/Widget.h>
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#include <LibGfx/Palette.h>
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class DesktopStatusWidget : public GUI::Widget {
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C_OBJECT(DesktopStatusWidget);
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public:
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virtual ~DesktopStatusWidget() override = default;
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Gfx::IntRect rect_for_desktop(unsigned row, unsigned col) const
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{
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auto& desktop = GUI::Desktop::the();
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auto vcols = desktop.workspace_columns();
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auto vrows = desktop.workspace_rows();
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auto desktop_width = (width() - gap() * (vcols - 1)) / vcols;
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auto desktop_height = (height() - gap() * (vrows - 1)) / vrows;
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return {
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col * (desktop_width + gap()), row * (desktop_height + gap()),
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desktop_width, desktop_height
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};
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}
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virtual void paint_event(GUI::PaintEvent& event) override
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{
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GUI::Widget::paint_event(event);
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GUI::Painter painter(*this);
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painter.add_clip_rect(event.rect());
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painter.fill_rect({ 0, 0, width(), height() }, palette().button());
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auto& desktop = GUI::Desktop::the();
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auto active_color = palette().active_window_border1();
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auto inactive_color = palette().inactive_window_border1();
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for (unsigned row = 0; row < desktop.workspace_rows(); ++row) {
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for (unsigned col = 0; col < desktop.workspace_columns(); ++col) {
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painter.fill_rect(rect_for_desktop(row, col),
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(row == current_row() && col == current_col()) ? active_color : inactive_color);
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}
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}
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}
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virtual void mousedown_event(GUI::MouseEvent& event) override
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{
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auto base_rect = rect_for_desktop(0, 0);
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auto row = event.y() / (base_rect.height() + gap());
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auto col = event.x() / (base_rect.width() + gap());
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// Handle case where divider is clicked.
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if (rect_for_desktop(row, col).contains(event.position()))
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GUI::ConnectionToWindowManagerServer::the().async_set_workspace(row, col);
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}
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virtual void mousewheel_event(GUI::MouseEvent& event) override
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{
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auto& desktop = GUI::Desktop::the();
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auto col = current_col();
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auto row = current_row();
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auto vcols = desktop.workspace_columns();
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auto vrows = desktop.workspace_rows();
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auto direction = event.wheel_delta_y() < 0 ? 1 : -1;
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if (event.modifiers() & Mod_Shift)
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col = abs((int)col + direction) % vcols;
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else
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row = abs((int)row + direction) % vrows;
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GUI::ConnectionToWindowManagerServer::the().async_set_workspace(row, col);
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}
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unsigned current_row() const { return m_current_row; }
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void set_current_row(unsigned row) { m_current_row = row; }
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unsigned current_col() const { return m_current_col; }
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void set_current_col(unsigned col) { m_current_col = col; }
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unsigned gap() const { return m_gap; }
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private:
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DesktopStatusWidget() = default;
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unsigned m_gap { 1 };
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unsigned m_current_row { 0 };
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unsigned m_current_col { 0 };
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};
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DesktopStatusWindow::DesktopStatusWindow()
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{
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GUI::Desktop::the().on_receive_screen_rects([&](GUI::Desktop&) {
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auto& desktop = GUI::Desktop::the();
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if (desktop.workspace_rows() == 1 && desktop.workspace_columns() == 1)
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resize(0, 0);
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else
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resize(28, 16);
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update();
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});
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set_window_type(GUI::WindowType::Applet);
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set_has_alpha_channel(true);
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m_widget = &set_main_widget<DesktopStatusWidget>();
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}
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void DesktopStatusWindow::wm_event(GUI::WMEvent& event)
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{
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if (event.type() == GUI::Event::WM_WorkspaceChanged) {
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auto& changed_event = static_cast<GUI::WMWorkspaceChangedEvent&>(event);
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m_widget->set_current_row(changed_event.current_row());
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m_widget->set_current_col(changed_event.current_column());
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update();
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}
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}
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