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5d180d1f99
(...and ASSERT_NOT_REACHED => VERIFY_NOT_REACHED) Since all of these checks are done in release builds as well, let's rename them to VERIFY to prevent confusion, as everyone is used to assertions being compiled out in release. We can introduce a new ASSERT macro that is specifically for debug checks, but I'm doing this wholesale conversion first since we've accumulated thousands of these already, and it's not immediately obvious which ones are suitable for ASSERT.
334 lines
13 KiB
C++
334 lines
13 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "SpreadsheetView.h"
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#include "CellTypeDialog.h"
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#include "SpreadsheetModel.h"
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#include <AK/ScopeGuard.h>
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#include <AK/URL.h>
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#include <LibCore/MimeData.h>
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/HeaderView.h>
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#include <LibGUI/Menu.h>
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#include <LibGUI/ModelEditingDelegate.h>
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#include <LibGUI/Painter.h>
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#include <LibGUI/ScrollBar.h>
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#include <LibGUI/TableView.h>
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#include <LibGfx/Palette.h>
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namespace Spreadsheet {
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SpreadsheetView::~SpreadsheetView()
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{
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}
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void SpreadsheetView::EditingDelegate::set_value(const GUI::Variant& value)
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{
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if (value.as_string().is_null()) {
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StringModelEditingDelegate::set_value("");
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commit();
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return;
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}
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if (m_has_set_initial_value)
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return StringModelEditingDelegate::set_value(value);
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m_has_set_initial_value = true;
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const auto option = m_sheet.at({ m_sheet.column(index().column()), (size_t)index().row() });
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if (option)
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return StringModelEditingDelegate::set_value(option->source());
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StringModelEditingDelegate::set_value("");
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}
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void InfinitelyScrollableTableView::did_scroll()
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{
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TableView::did_scroll();
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auto& vscrollbar = vertical_scrollbar();
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auto& hscrollbar = horizontal_scrollbar();
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if (vscrollbar.is_visible() && vscrollbar.value() == vscrollbar.max()) {
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if (on_reaching_vertical_end)
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on_reaching_vertical_end();
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}
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if (hscrollbar.is_visible() && hscrollbar.value() == hscrollbar.max()) {
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if (on_reaching_horizontal_end)
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on_reaching_horizontal_end();
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}
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}
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void InfinitelyScrollableTableView::mousemove_event(GUI::MouseEvent& event)
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{
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if (auto model = this->model()) {
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auto index = index_at_event_position(event.position());
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if (!index.is_valid())
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return TableView::mousemove_event(event);
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auto& sheet = static_cast<SheetModel&>(*model).sheet();
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sheet.disable_updates();
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ScopeGuard sheet_update_enabler { [&] { sheet.enable_updates(); } };
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auto holding_left_button = !!(event.buttons() & GUI::MouseButton::Left);
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auto rect = content_rect(index);
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auto distance = rect.center().absolute_relative_distance_to(event.position());
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if (distance.x() >= rect.width() / 2 - 5 && distance.y() >= rect.height() / 2 - 5) {
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set_override_cursor(Gfx::StandardCursor::Crosshair);
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m_should_intercept_drag = false;
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if (holding_left_button) {
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m_has_committed_to_dragging = true;
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// Force a drag to happen by moving the mousedown position to the center of the cell.
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m_left_mousedown_position = rect.center();
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}
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} else if (!m_should_intercept_drag) {
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set_override_cursor(Gfx::StandardCursor::Arrow);
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if (!holding_left_button) {
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m_starting_selection_index = index;
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} else {
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m_should_intercept_drag = true;
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m_might_drag = false;
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}
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}
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if (holding_left_button && m_should_intercept_drag && !m_has_committed_to_dragging) {
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if (!m_starting_selection_index.is_valid())
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m_starting_selection_index = index;
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Vector<GUI::ModelIndex> new_selection;
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for (auto i = min(m_starting_selection_index.row(), index.row()), imax = max(m_starting_selection_index.row(), index.row()); i <= imax; ++i) {
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for (auto j = min(m_starting_selection_index.column(), index.column()), jmax = max(m_starting_selection_index.column(), index.column()); j <= jmax; ++j) {
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auto index = model->index(i, j);
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if (index.is_valid())
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new_selection.append(move(index));
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}
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}
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if (!event.ctrl())
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selection().clear();
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selection().add_all(new_selection);
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}
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}
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TableView::mousemove_event(event);
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}
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void InfinitelyScrollableTableView::mouseup_event(GUI::MouseEvent& event)
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{
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m_should_intercept_drag = false;
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m_has_committed_to_dragging = false;
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TableView::mouseup_event(event);
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}
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void SpreadsheetView::update_with_model()
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{
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m_table_view->model()->update();
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m_table_view->update();
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}
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SpreadsheetView::SpreadsheetView(Sheet& sheet)
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: m_sheet(sheet)
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{
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set_layout<GUI::VerticalBoxLayout>().set_margins({ 2, 2, 2, 2 });
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m_table_view = add<InfinitelyScrollableTableView>();
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m_table_view->set_grid_style(GUI::TableView::GridStyle::Both);
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m_table_view->set_selection_behavior(GUI::AbstractView::SelectionBehavior::SelectItems);
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m_table_view->set_edit_triggers(GUI::AbstractView::EditTrigger::EditKeyPressed | GUI::AbstractView::AnyKeyPressed | GUI::AbstractView::DoubleClicked);
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m_table_view->set_tab_key_navigation_enabled(true);
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m_table_view->row_header().set_visible(true);
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m_table_view->set_model(SheetModel::create(*m_sheet));
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m_table_view->on_reaching_vertical_end = [&]() {
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for (size_t i = 0; i < 100; ++i) {
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auto index = m_sheet->add_row();
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m_table_view->set_column_painting_delegate(index, make<TableCellPainter>(*m_table_view));
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};
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update_with_model();
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};
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m_table_view->on_reaching_horizontal_end = [&]() {
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for (size_t i = 0; i < 10; ++i) {
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m_sheet->add_column();
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auto last_column_index = m_sheet->column_count() - 1;
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m_table_view->set_column_width(last_column_index, 50);
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m_table_view->set_column_header_alignment(last_column_index, Gfx::TextAlignment::Center);
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}
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update_with_model();
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};
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set_focus_proxy(m_table_view);
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// FIXME: This is dumb.
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for (size_t i = 0; i < m_sheet->column_count(); ++i) {
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m_table_view->set_column_painting_delegate(i, make<TableCellPainter>(*m_table_view));
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m_table_view->set_column_width(i, 50);
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m_table_view->set_column_header_alignment(i, Gfx::TextAlignment::Center);
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}
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m_table_view->set_alternating_row_colors(false);
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m_table_view->set_highlight_selected_rows(false);
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m_table_view->set_editable(true);
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m_table_view->aid_create_editing_delegate = [this](auto&) {
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auto delegate = make<EditingDelegate>(*m_sheet);
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delegate->on_cursor_key_pressed = [this](auto& event) {
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m_table_view->stop_editing();
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m_table_view->event(event);
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};
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return delegate;
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};
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m_table_view->on_selection_change = [&] {
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m_sheet->selected_cells().clear();
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for (auto& index : m_table_view->selection().indexes()) {
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Position position { m_sheet->column(index.column()), (size_t)index.row() };
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m_sheet->selected_cells().set(position);
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}
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if (m_table_view->selection().is_empty() && on_selection_dropped)
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return on_selection_dropped();
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Vector<Position> selected_positions;
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selected_positions.ensure_capacity(m_table_view->selection().size());
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for (auto& selection : m_table_view->selection().indexes())
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selected_positions.empend(m_sheet->column(selection.column()), (size_t)selection.row());
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if (on_selection_changed) {
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on_selection_changed(move(selected_positions));
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update_with_model();
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};
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};
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m_table_view->on_activation = [this](auto&) {
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m_table_view->move_cursor(GUI::AbstractView::CursorMovement::Down, GUI::AbstractView::SelectionUpdate::Set);
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};
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m_table_view->on_context_menu_request = [&](const GUI::ModelIndex&, const GUI::ContextMenuEvent& event) {
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// NOTE: We ignore the specific cell for now.
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m_cell_range_context_menu->popup(event.screen_position());
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};
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m_cell_range_context_menu = GUI::Menu::construct();
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m_cell_range_context_menu->add_action(GUI::Action::create("Type and Formatting...", [this](auto&) {
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Vector<Position> positions;
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for (auto& index : m_table_view->selection().indexes()) {
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Position position { m_sheet->column(index.column()), (size_t)index.row() };
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positions.append(move(position));
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}
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if (positions.is_empty()) {
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auto& index = m_table_view->cursor_index();
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Position position { m_sheet->column(index.column()), (size_t)index.row() };
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positions.append(move(position));
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}
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auto dialog = CellTypeDialog::construct(positions, *m_sheet, window());
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if (dialog->exec() == GUI::Dialog::ExecOK) {
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for (auto& position : positions) {
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auto& cell = m_sheet->ensure(position);
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cell.set_type(dialog->type());
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cell.set_type_metadata(dialog->metadata());
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cell.set_conditional_formats(dialog->conditional_formats());
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}
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m_table_view->update();
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}
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}));
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m_table_view->on_drop = [&](const GUI::ModelIndex& index, const GUI::DropEvent& event) {
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if (!index.is_valid())
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return;
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ScopeGuard update_after_drop { [this] { update(); } };
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if (event.mime_data().has_format("text/x-spreadsheet-data")) {
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auto data = event.mime_data().data("text/x-spreadsheet-data");
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StringView urls { data.data(), data.size() };
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Vector<Position> source_positions, target_positions;
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for (auto& line : urls.lines(false)) {
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auto position = m_sheet->position_from_url(line);
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if (position.has_value())
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source_positions.append(position.release_value());
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}
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// Drop always has a single target.
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Position target { m_sheet->column(index.column()), (size_t)index.row() };
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target_positions.append(move(target));
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if (source_positions.is_empty())
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return;
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auto first_position = source_positions.take_first();
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m_sheet->copy_cells(move(source_positions), move(target_positions), first_position);
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return;
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}
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if (event.mime_data().has_text()) {
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auto* target_cell = m_sheet->at({ m_sheet->column(index.column()), (size_t)index.row() });
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VERIFY(target_cell);
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target_cell->set_data(event.text());
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return;
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}
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};
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}
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void SpreadsheetView::hide_event(GUI::HideEvent&)
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{
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if (on_selection_dropped)
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on_selection_dropped();
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}
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void SpreadsheetView::show_event(GUI::ShowEvent&)
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{
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if (on_selection_changed && !m_table_view->selection().is_empty()) {
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Vector<Position> selected_positions;
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selected_positions.ensure_capacity(m_table_view->selection().size());
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for (auto& selection : m_table_view->selection().indexes())
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selected_positions.empend(m_sheet->column(selection.column()), (size_t)selection.row());
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on_selection_changed(move(selected_positions));
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}
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}
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void SpreadsheetView::TableCellPainter::paint(GUI::Painter& painter, const Gfx::IntRect& rect, const Gfx::Palette& palette, const GUI::ModelIndex& index)
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{
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// Draw a border.
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// Undo the horizontal padding done by the table view...
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auto cell_rect = rect.inflated(m_table_view.horizontal_padding() * 2, 0);
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if (auto bg = index.data(GUI::ModelRole::BackgroundColor); bg.is_color())
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painter.fill_rect(cell_rect, bg.as_color());
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if (m_table_view.selection().contains(index)) {
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Color fill_color = palette.selection();
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fill_color.set_alpha(80);
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painter.fill_rect(cell_rect, fill_color);
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}
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auto text_color = index.data(GUI::ModelRole::ForegroundColor).to_color(palette.color(m_table_view.foreground_role()));
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auto data = index.data();
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auto text_alignment = index.data(GUI::ModelRole::TextAlignment).to_text_alignment(Gfx::TextAlignment::CenterRight);
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painter.draw_text(rect, data.to_string(), m_table_view.font_for_index(index), text_alignment, text_color, Gfx::TextElision::Right);
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}
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}
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