mirror of
https://github.com/RGBCube/serenity
synced 2025-05-20 16:45:07 +00:00
91d3fc54be
It's now an abstract (pure virtual) public method in GAbstractView that individual widgets have to implement. This will allow us to move more selection-related logic into GAbstractView in order to share it between implementations.
88 lines
3.4 KiB
C++
88 lines
3.4 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Function.h>
|
|
#include <AK/HashMap.h>
|
|
#include <LibGUI/GAbstractView.h>
|
|
#include <LibGUI/GModel.h>
|
|
|
|
class GScrollBar;
|
|
class Painter;
|
|
|
|
class GItemView : public GAbstractView {
|
|
C_OBJECT(GItemView)
|
|
public:
|
|
virtual ~GItemView() override;
|
|
|
|
int content_width() const;
|
|
int horizontal_padding() const { return m_horizontal_padding; }
|
|
|
|
void scroll_into_view(const GModelIndex&, Orientation);
|
|
Size effective_item_size() const { return m_effective_item_size; }
|
|
|
|
int model_column() const { return m_model_column; }
|
|
void set_model_column(int column) { m_model_column = column; }
|
|
|
|
virtual GModelIndex index_at_event_position(const Point&) const override;
|
|
|
|
private:
|
|
explicit GItemView(GWidget* parent);
|
|
|
|
virtual void did_update_model() override;
|
|
virtual void paint_event(GPaintEvent&) override;
|
|
virtual void second_paint_event(GPaintEvent&) override;
|
|
virtual void resize_event(GResizeEvent&) override;
|
|
virtual void mousedown_event(GMouseEvent&) override;
|
|
virtual void mousemove_event(GMouseEvent&) override;
|
|
virtual void mouseup_event(GMouseEvent&) override;
|
|
virtual void keydown_event(GKeyEvent&) override;
|
|
virtual void doubleclick_event(GMouseEvent&) override;
|
|
virtual void context_menu_event(GContextMenuEvent&) override;
|
|
|
|
int item_count() const;
|
|
Rect item_rect(int item_index) const;
|
|
Vector<int> items_intersecting_rect(const Rect&) const;
|
|
void update_content_size();
|
|
void get_item_rects(int item_index, const Font&, const GVariant& item_text, Rect& item_rect, Rect& icon_rect, Rect& text_rect) const;
|
|
|
|
int m_horizontal_padding { 5 };
|
|
int m_model_column { 0 };
|
|
int m_visual_column_count { 0 };
|
|
int m_visual_row_count { 0 };
|
|
|
|
bool m_might_drag { false };
|
|
|
|
Point m_left_mousedown_position;
|
|
|
|
Size m_effective_item_size { 80, 80 };
|
|
|
|
bool m_rubber_banding { false };
|
|
Point m_rubber_band_origin;
|
|
Point m_rubber_band_current;
|
|
Vector<GModelIndex> m_rubber_band_remembered_selection;
|
|
};
|