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https://github.com/RGBCube/serenity
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5a02a0d140
Previously we would consider anything in the large padded area around each item to also be part of the item for mouse event purposes. This didn't feel right when rubberbanding, so this patch factors out the per-item rect computation into a get_item_rects() helper which can then be used by the various functions that need it.
58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
#pragma once
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#include <AK/Function.h>
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#include <AK/HashMap.h>
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#include <LibGUI/GAbstractView.h>
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#include <LibGUI/GModel.h>
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class GScrollBar;
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class Painter;
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class GItemView : public GAbstractView {
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C_OBJECT(GItemView)
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public:
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virtual ~GItemView() override;
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int content_width() const;
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int horizontal_padding() const { return m_horizontal_padding; }
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void scroll_into_view(const GModelIndex&, Orientation);
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Size effective_item_size() const { return m_effective_item_size; }
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int model_column() const { return m_model_column; }
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void set_model_column(int column) { m_model_column = column; }
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private:
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explicit GItemView(GWidget* parent);
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virtual void did_update_model() override;
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virtual void paint_event(GPaintEvent&) override;
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virtual void second_paint_event(GPaintEvent&) override;
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virtual void resize_event(GResizeEvent&) 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 mouseup_event(GMouseEvent&) override;
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virtual void keydown_event(GKeyEvent&) override;
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virtual void doubleclick_event(GMouseEvent&) override;
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virtual void context_menu_event(GContextMenuEvent&) override;
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int item_count() const;
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Rect item_rect(int item_index) const;
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int item_at_event_position(const Point&) const;
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Vector<int> items_intersecting_rect(const Rect&) const;
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void update_content_size();
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void get_item_rects(int item_index, const Font&, const GVariant& item_text, Rect& item_rect, Rect& icon_rect, Rect& text_rect) const;
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int m_horizontal_padding { 5 };
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int m_model_column { 0 };
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int m_visual_column_count { 0 };
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int m_visual_row_count { 0 };
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Point m_left_mousedown_position;
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Size m_effective_item_size { 80, 80 };
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bool m_rubber_banding { false };
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Point m_rubber_band_origin;
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Point m_rubber_band_current;
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};
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