#include "container.h"
#include "label.h"
#include "listdata.h"
-#include "vslider.h"
+#include "mspgltk_api.h"
+#include "slider.h"
namespace Msp {
namespace GLtk {
/**
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
+ {
+ LIST,
+ GRID
+ };
+
class Loader: public DataFile::DerivedObjectLoader<List, Widget::Loader>
{
public:
};
public:
- class Item: public Container
+ class Item: virtual public Widget, protected Container
{
+ protected:
+ 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() = default;
+
+ void on_style_change() override;
};
class MultiColumnItem: public Item
{
protected:
+ MultiColumnItem() = default;
+
virtual void check_widths(std::vector<unsigned> &) const;
virtual void set_widths(const std::vector<unsigned> &);
- private:
- virtual void on_style_change();
+ void on_style_change() override;
};
private:
- class BasicItem: public Item
+ class BasicItem: public SimpleItem
{
private:
Label label;
public:
BasicItem(const std::string &);
-
- private:
- virtual void on_style_change();
};
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;
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
+ Item *create_item(unsigned i) const override
{
return new I(data->get(i));
}
};
+ struct Row
+ {
+ unsigned first;
+ unsigned height;
+
+ Row(unsigned f): first(f), height(0) { }
+ };
+
public:
sigc::signal<void, unsigned> signal_item_selected;
sigc::signal<void> signal_selection_cleared;
private:
- ListData *data;
- bool own_data;
- DataObserver *observer;
- ItemFactory *item_factory;
- int sel_index;
- int focus_index;
- unsigned first;
- unsigned max_scroll;
- unsigned view_size;
- bool ignore_slider_change;
- bool dragging;
- int drag_start_x;
- int drag_start_y;
+ ListData *data = nullptr;
+ bool own_data = false;
+ DataObserver *observer = nullptr;
+ ItemFactory *item_factory = nullptr;
+ ViewMode view_mode = LIST;
+ int sel_index = -1;
+ int focus_index = -1;
+ unsigned first_row = 0;
+ unsigned 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<Row> rows;
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 &);
Item *create_item(unsigned);
public:
+ void set_view_mode(ViewMode);
void set_view_size(unsigned);
+ void set_view_size(unsigned, unsigned);
void set_view_all();
void set_selected_index(int);
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:
+ void on_style_change() override;
+
void move_focus(Navigation, bool);
void set_focus_index(int);
void item_autosize_changed(Item *);
- unsigned last_to_first(unsigned) const;
+ void reposition_items(bool);
+ unsigned last_to_first_row(unsigned) const;
+ unsigned item_index_to_row(unsigned) const;
void check_view_range();
void scroll_to_focus();
void slider_value_changed(double);
static void adjust_index(int &, int, int);
};
+MSPGLTK_API void operator>>(const LexicalConverter &, List::ViewMode &);
+
} // namespace GLtk
} // namespace Msp