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8e1645423f
AbstractView does not know which column it's displaying which makes it impossible to implement the select_all functionality up there. Now descendants override the pure virtual select_all method and implement it themselves.
106 lines
4 KiB
C++
106 lines
4 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 <AK/Function.h>
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#include <LibGUI/ModelSelection.h>
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#include <LibGUI/ScrollableWidget.h>
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namespace GUI {
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class AbstractView : public ScrollableWidget {
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C_OBJECT_ABSTRACT(AbstractView)
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friend class Model;
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public:
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void set_model(RefPtr<Model>);
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Model* model() { return m_model.ptr(); }
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const Model* model() const { return m_model.ptr(); }
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ModelSelection& selection() { return m_selection; }
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const ModelSelection& selection() const { return m_selection; }
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virtual void select_all() = 0;
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bool is_editable() const { return m_editable; }
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void set_editable(bool editable) { m_editable = editable; }
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virtual bool accepts_focus() const override { return true; }
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virtual void did_update_model();
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virtual void did_update_selection();
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virtual Gfx::Rect content_rect(const ModelIndex&) const { return {}; }
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virtual ModelIndex index_at_event_position(const Gfx::Point&) const = 0;
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void begin_editing(const ModelIndex&);
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void stop_editing();
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void set_activates_on_selection(bool b) { m_activates_on_selection = b; }
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bool activates_on_selection() const { return m_activates_on_selection; }
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Function<void()> on_selection_change;
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Function<void(const ModelIndex&)> on_activation;
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Function<void(const ModelIndex&)> on_selection;
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Function<void(const ModelIndex&, const ContextMenuEvent&)> on_context_menu_request;
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Function<void(const ModelIndex&, const DropEvent&)> on_drop;
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Function<OwnPtr<ModelEditingDelegate>(const ModelIndex&)> aid_create_editing_delegate;
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void notify_selection_changed(Badge<ModelSelection>);
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NonnullRefPtr<Gfx::Font> font_for_index(const ModelIndex&) const;
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protected:
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AbstractView();
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virtual ~AbstractView() override;
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virtual void mousedown_event(MouseEvent&) override;
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virtual void mousemove_event(MouseEvent&) override;
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virtual void mouseup_event(MouseEvent&) override;
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virtual void doubleclick_event(MouseEvent&) override;
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virtual void context_menu_event(ContextMenuEvent&) override;
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virtual void drop_event(DropEvent&) override;
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virtual void did_scroll() override;
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void activate(const ModelIndex&);
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void activate_selected();
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void update_edit_widget_position();
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bool m_editable { false };
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ModelIndex m_edit_index;
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RefPtr<Widget> m_edit_widget;
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Gfx::Rect m_edit_widget_content_rect;
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Gfx::Point m_left_mousedown_position;
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bool m_might_drag { false };
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private:
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RefPtr<Model> m_model;
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OwnPtr<ModelEditingDelegate> m_editing_delegate;
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ModelSelection m_selection;
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bool m_activates_on_selection { false };
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};
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}
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