mirror of
https://github.com/amyinspace/MagicSetEditor2.git
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twanvl
3f0c284a50
git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@223 0fc631ac-6414-0410-93d0-97cfa31319b6
111 lines
4.2 KiB
C++
111 lines
4.2 KiB
C++
//+----------------------------------------------------------------------------+
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//| Description: Magic Set Editor - Program to make Magic (tm) cards |
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//| Copyright: (C) 2001 - 2006 Twan van Laarhoven |
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//| License: GNU General Public License 2 or later (see file COPYING) |
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//+----------------------------------------------------------------------------+
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#ifndef HEADER_GUI_DROP_DOWN_LIST
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#define HEADER_GUI_DROP_DOWN_LIST
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// ----------------------------------------------------------------------------- : Includes
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#include <util/prec.hpp>
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#include <util/rotation.hpp>
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#include <wx/popupwin.h> // undocumented: wxPopupWindow
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class ValueViewer;
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class DropDownHider;
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// ----------------------------------------------------------------------------- : DropDownList
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/// A popup/drop down window displaying a list of items
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/** This class is an abstract base for various drop down lists */
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class DropDownList : public wxPopupWindow {
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public:
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~DropDownList();
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/// Create a drop down list, possibly a sub menu
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/** the viewer will be notified to redraw its drop down icon */
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DropDownList(Window* parent, bool is_submenu = false, ValueViewer* viewer = nullptr);
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/// Show the editor
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/** if in_place, then shows the list at the position pos */
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void show(bool in_place, wxPoint pos);
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/// Close the list, optionally send an onSelect event
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void hide(bool event);
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// --------------------------------------------------- : Parent control
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/// Takes all keyboard events from a FieldEditor
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bool onCharInParent(wxKeyEvent&);
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/// Takes a mouse event from the parent, show/hide as appropriate
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bool onMouseInParent(wxMouseEvent&, bool open_in_place);
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protected:
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// --------------------------------------------------- : Selection
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static const size_t NO_SELECTION = (size_t)-1;
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/// Signal that the list is closed and something is selected
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virtual void select(size_t selection) = 0;
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/// When the list is being opened, what should be selected?
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virtual size_t selection() const = 0;
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// --------------------------------------------------- : Item information
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/// Number of items
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virtual size_t itemCount() const = 0;
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/// Text of an item
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virtual String itemText(size_t item) const = 0;
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/// Draw an icon at the specified location
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virtual void drawIcon(DC& dc, int x, int y, size_t item, bool selected) const = 0;
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/// Is there a line below an item?
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virtual bool lineBelow(size_t item) const { return false; }
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/// Should the item be highlighted?
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virtual bool highlightItem(size_t item) const { return false; }
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// An extra submenu that pops up from an item, or null if there is no popup menu
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virtual DropDownList* submenu(size_t item) const { return nullptr; }
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// --------------------------------------------------- : Layout
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static const int marginW = 1;
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static const int marginH = 1;
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// may be changed by derived class
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int text_offset; ///< Vertical distance between top of item and text
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RealSize item_size; ///< Size of an item;
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RealSize icon_size; ///< Size of icons;
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private:
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// --------------------------------------------------- : Data
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size_t selected_item; ///< The item that is selected, or NO_SELECTION
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bool mouse_down; ///< Is the mouse pressed?
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DropDownList* open_sub_menu; ///< The sub menu that is currently shown, if any
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DropDownList* parent_menu; ///< The parent menu, only applies to sub menus
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ValueViewer* viewer; ///< The parent viewer object (optional)
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DropDownHider* hider; ///< Class to hide this window when we lose focus
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// --------------------------------------------------- : Events
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DECLARE_EVENT_TABLE();
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void onPaint(wxPaintEvent&);
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void onLeftDown(wxMouseEvent&);
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void onLeftUp (wxMouseEvent&);
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void onMotion (wxMouseEvent&);
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// --------------------------------------------------- : Privates
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/// Return the y coordinate of an item
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int itemPosition(size_t item) const;
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void realHide();
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void hideSubMenu();
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bool showSubMenu();
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bool showSubMenu(size_t item, int y);
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void draw(DC& dc);
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void drawItem(DC& dc, int y, size_t item);
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void redrawArrowOnParent();
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};
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// ----------------------------------------------------------------------------- : EOF
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#endif
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