summaryrefslogtreecommitdiff
path: root/Libraries/LibGUI/ItemView.h
diff options
context:
space:
mode:
Diffstat (limited to 'Libraries/LibGUI/ItemView.h')
-rw-r--r--Libraries/LibGUI/ItemView.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/Libraries/LibGUI/ItemView.h b/Libraries/LibGUI/ItemView.h
new file mode 100644
index 0000000000..08900cdb30
--- /dev/null
+++ b/Libraries/LibGUI/ItemView.h
@@ -0,0 +1,86 @@
+/*
+ * 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/AbstractView.h>
+#include <LibGUI/Model.h>
+
+namespace GUI {
+
+class ScrollBar;
+class Painter;
+
+class ItemView : public AbstractView {
+ C_OBJECT(ItemView)
+public:
+ virtual ~ItemView() override;
+
+ int content_width() const;
+ int horizontal_padding() const { return m_horizontal_padding; }
+
+ void scroll_into_view(const ModelIndex&, Orientation);
+ Gfx::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 ModelIndex index_at_event_position(const Gfx::Point&) const override;
+
+private:
+ explicit ItemView(Widget* parent);
+
+ virtual void did_update_model() override;
+ virtual void paint_event(PaintEvent&) override;
+ virtual void second_paint_event(PaintEvent&) override;
+ virtual void resize_event(ResizeEvent&) override;
+ virtual void mousedown_event(MouseEvent&) override;
+ virtual void mousemove_event(MouseEvent&) override;
+ virtual void mouseup_event(MouseEvent&) override;
+ virtual void keydown_event(KeyEvent&) override;
+
+ int item_count() const;
+ Gfx::Rect item_rect(int item_index) const;
+ Vector<int> items_intersecting_rect(const Gfx::Rect&) const;
+ void update_content_size();
+ void get_item_rects(int item_index, const Gfx::Font&, const Variant& item_text, Gfx::Rect& item_rect, Gfx::Rect& icon_rect, Gfx::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 };
+
+ Gfx::Size m_effective_item_size { 80, 80 };
+
+ bool m_rubber_banding { false };
+ Gfx::Point m_rubber_band_origin;
+ Gfx::Point m_rubber_band_current;
+ Vector<ModelIndex> m_rubber_band_remembered_selection;
+};
+
+}