#ifndef MSP_GLTK_LIST_H_
#define MSP_GLTK_LIST_H_
+#include <memory>
#include <stdexcept>
#include <typeinfo>
#include <sigc++/signal.h>
#include "container.h"
#include "label.h"
#include "listdata.h"
+#include "mspgltk_api.h"
#include "slider.h"
namespace Msp {
/**
Thrown if a list's item type is incompatible with its data.
*/
-class incompatible_data: public std::logic_error
+class MSPGLTK_API incompatible_data: public std::logic_error
{
public:
incompatible_data(const std::type_info &);
- virtual ~incompatible_data() throw() { }
};
Shows a list of items, allowing the user to select one. A slider is included
to allow scrolling through a long list.
*/
-class List: virtual public Widget, private Container
+class MSPGLTK_API List: virtual public Widget, private Container
{
public:
enum ViewMode
GRID
};
+ static constexpr size_t INVALID_INDEX = std::numeric_limits<size_t>::max();
+
class Loader: public DataFile::DerivedObjectLoader<List, Widget::Loader>
{
public:
Loader(List &);
+
private:
void item(const std::string &);
};
public:
DataObserver(List &);
- void item_added(unsigned);
- void item_removed(unsigned);
+ void item_added(std::size_t);
+ void item_removed(std::size_t);
void cleared();
- void refresh_item(unsigned);
+ void refresh_item(std::size_t);
};
public:
Item();
public:
- virtual const char *get_class() const { return "listitem"; }
+ const char *get_class() const override { return "listitem"; }
protected:
- virtual void autosize_special(const Part &, Geometry &) const;
+ void autosize_special(const Part &, Geometry &) const override;
public:
void set_active(bool);
- virtual void render_special(const Part &, GL::Renderer &) const;
+ void render_special(const Part &, GL::Renderer &) const override;
};
class SimpleItem: public Item
{
protected:
- SimpleItem() { }
+ SimpleItem() = default;
- virtual void on_style_change();
+ void on_style_change() override;
};
class MultiColumnItem: public Item
{
protected:
- MultiColumnItem() { }
+ MultiColumnItem() = default;
virtual void check_widths(std::vector<unsigned> &) const;
virtual void set_widths(const std::vector<unsigned> &);
- virtual void on_style_change();
+ void on_style_change() override;
};
private:
class ItemFactory
{
protected:
- ItemFactory() { }
+ ItemFactory() = default;
public:
- virtual ~ItemFactory() { }
+ virtual ~ItemFactory() = default;
virtual void set_data(const ListData &) = 0;
- virtual Item *create_item(unsigned) const = 0;
+ virtual std::unique_ptr<Item> create_item(std::size_t) const = 0;
};
template<typename I>
const ListDataStore<ValueType> *data;
public:
- TypedItemFactory(const ListData &d)
- { set_data(d); }
+ TypedItemFactory(const ListData &d) { set_data(d); }
- virtual void set_data(const ListData &d)
+ void set_data(const ListData &d) override
{
if(const ListDataStore<ValueType> *ds = dynamic_cast<const ListDataStore<ValueType> *>(&d))
data = ds;
throw incompatible_data(typeid(ValueType));
}
- virtual Item *create_item(unsigned i) const
+ std::unique_ptr<Item> create_item(std::size_t i) const override
{
- return new I(data->get(i));
+ return std::make_unique<I>(data->get(i));
}
};
struct Row
{
- unsigned first;
+ std::size_t first;
unsigned height;
- Row(unsigned f): first(f), height(0) { }
+ Row(std::size_t f): first(f), height(0) { }
};
public:
- sigc::signal<void, unsigned> signal_item_selected;
+ sigc::signal<void, std::size_t> signal_item_selected;
sigc::signal<void> signal_selection_cleared;
private:
- ListData *data;
- bool own_data;
- DataObserver *observer;
- ItemFactory *item_factory;
- ViewMode view_mode;
- int sel_index;
- int focus_index;
- unsigned first_row;
- unsigned max_scroll;
- unsigned view_rows;
- unsigned view_columns;
- const Part *items_part;
- bool ignore_slider_change;
- bool dragging;
- int drag_start_x;
- int drag_start_y;
+ std::unique_ptr<ListData> own_data;
+ ListData *data = nullptr;
+ std::unique_ptr<DataObserver> observer = nullptr;
+ std::unique_ptr<ItemFactory> item_factory = nullptr;
+ ViewMode view_mode = LIST;
+ std::size_t sel_index = INVALID_INDEX;
+ std::size_t focus_index = INVALID_INDEX;
+ std::size_t first_row = 0;
+ std::size_t max_scroll = 0;
+ unsigned view_rows = 5;
+ unsigned view_columns = 5;
+ const Part *items_part = nullptr;
+ bool ignore_slider_change = false;
+ bool dragging = false;
+ int drag_start_x = 0;
+ int drag_start_y = 0;
VSlider slider;
- std::vector<Item *> items;
+ std::vector<std::unique_ptr<Item>> items;
std::vector<Row> rows;
+ List(std::unique_ptr<ListData>);
public:
List();
List(ListData &);
-private:
- void init();
-public:
- virtual ~List();
- virtual const char *get_class() const { return "list"; }
+ const char *get_class() const override { return "list"; }
private:
- virtual void autosize_special(const Part &, Geometry &) const;
+ void autosize_special(const Part &, Geometry &) const override;
public:
void set_data(ListData &);
public:
template<typename I>
- void set_item_type()
- {
- ItemFactory *f = new TypedItemFactory<I>(*data);
- delete item_factory;
- item_factory = f;
- }
+ void set_item_type() { item_factory = std::make_unique<TypedItemFactory<I>>(*data); }
private:
- Item *create_item(unsigned);
+ std::unique_ptr<Item> create_item(std::size_t);
public:
void set_view_mode(ViewMode);
void set_view_size(unsigned, unsigned);
void set_view_all();
- void set_selected_index(int);
+ void set_selected_index(std::size_t);
int get_selected_index() const { return sel_index; }
private:
void set_selected_item(Widget *);
- virtual void rebuild_special(const Part &);
- virtual void render_special(const Part &, GL::Renderer &) const;
+ void rebuild_special(const Part &) override;
+ void render_special(const Part &, GL::Renderer &) const override;
public:
- virtual bool key_press(unsigned, unsigned);
- virtual void button_press(int, int, unsigned);
- virtual void touch_press(int, int, unsigned);
- virtual void touch_release(int, int, unsigned);
- virtual void touch_motion(int, int, unsigned);
- virtual void focus_in();
- virtual bool navigate(Navigation);
+ bool key_press(unsigned, unsigned) override;
+ void button_press(int, int, unsigned) override;
+ void touch_press(int, int, unsigned) override;
+ void touch_release(int, int, unsigned) override;
+ void touch_motion(int, int, unsigned) override;
+ void focus_in() override;
+ bool navigate(Navigation) override;
private:
- virtual void on_style_change();
+ void on_style_change() override;
void move_focus(Navigation, bool);
- void set_focus_index(int);
+ void set_focus_index(std::size_t);
void item_autosize_changed(Item *);
void reposition_items(bool);
- unsigned last_to_first_row(unsigned) const;
- unsigned item_index_to_row(unsigned) const;
+ std::size_t last_to_first_row(std::size_t) const;
+ std::size_t item_index_to_row(std::size_t) const;
void check_view_range();
void scroll_to_focus();
void slider_value_changed(double);
- static void adjust_index(int &, int, int);
+ static void adjust_index(std::size_t &, std::size_t, std::ptrdiff_t);
};
-void operator>>(const LexicalConverter &, List::ViewMode &);
+MSPGLTK_API void operator>>(const LexicalConverter &, List::ViewMode &);
} // namespace GLtk
} // namespace Msp
projects / libs / gltk.git / blobdiff