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129 lines
4.8 KiB
C++
129 lines
4.8 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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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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#pragma once
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#include <LibGUI/GAbstractView.h>
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class GPainter;
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// FIXME: Rename this to something without "table cell" in the name.
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class GTableCellPaintingDelegate {
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public:
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virtual ~GTableCellPaintingDelegate() {}
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virtual void paint(GPainter&, const Rect&, const Palette&, const GModel&, const GModelIndex&) = 0;
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};
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class GAbstractTableView : public GAbstractView {
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public:
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int item_height() const { return 16; }
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bool alternating_row_colors() const { return m_alternating_row_colors; }
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void set_alternating_row_colors(bool b) { m_alternating_row_colors = b; }
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int header_height() const { return m_headers_visible ? 16 : 0; }
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bool headers_visible() const { return m_headers_visible; }
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void set_headers_visible(bool headers_visible) { m_headers_visible = headers_visible; }
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bool is_column_hidden(int) const;
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void set_column_hidden(int, bool);
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void set_size_columns_to_fit_content(bool b) { m_size_columns_to_fit_content = b; }
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bool size_columns_to_fit_content() const { return m_size_columns_to_fit_content; }
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void set_cell_painting_delegate(int column, OwnPtr<GTableCellPaintingDelegate>&&);
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int horizontal_padding() const { return m_horizontal_padding; }
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Point adjusted_position(const Point&) const;
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virtual Rect content_rect(const GModelIndex&) const override;
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Rect content_rect(int row, int column) const;
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Rect row_rect(int item_index) const;
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void scroll_into_view(const GModelIndex&, Orientation);
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virtual GModelIndex index_at_event_position(const Point&, bool& is_toggle) const;
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virtual GModelIndex index_at_event_position(const Point&) const override;
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protected:
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virtual ~GAbstractTableView() override;
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explicit GAbstractTableView(GWidget* parent);
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virtual void did_update_model() override;
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virtual void mouseup_event(GMouseEvent&) override;
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virtual void mousedown_event(GMouseEvent&) override;
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virtual void mousemove_event(GMouseEvent&) override;
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virtual void doubleclick_event(GMouseEvent&) override;
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virtual void keydown_event(GKeyEvent&) override;
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virtual void leave_event(CEvent&) override;
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virtual void context_menu_event(GContextMenuEvent&) override;
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virtual void toggle_index(const GModelIndex&) {}
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void paint_headers(GPainter&);
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Rect header_rect(int column) const;
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static const Font& header_font();
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void update_headers();
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void set_hovered_header_index(int);
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struct ColumnData {
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int width { 0 };
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bool has_initialized_width { false };
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bool visibility { true };
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RefPtr<GAction> visibility_action;
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OwnPtr<GTableCellPaintingDelegate> cell_painting_delegate;
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};
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ColumnData& column_data(int column) const;
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mutable Vector<ColumnData> m_column_data;
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GMenu& ensure_header_context_menu();
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RefPtr<GMenu> m_header_context_menu;
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Rect column_resize_grabbable_rect(int) const;
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int column_width(int) const;
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void update_content_size();
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virtual void update_column_sizes();
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virtual int item_count() const;
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private:
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bool m_headers_visible { true };
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bool m_size_columns_to_fit_content { false };
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bool m_in_column_resize { false };
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bool m_alternating_row_colors { true };
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int m_horizontal_padding { 5 };
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Point m_column_resize_origin;
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int m_column_resize_original_width { 0 };
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int m_resizing_column { -1 };
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int m_pressed_column_header_index { -1 };
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bool m_pressed_column_header_is_pressed { false };
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int m_hovered_column_header_index { -1 };
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};
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