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code cleanup - menus

This commit is contained in:
Vadim Lopatin 2014-04-15 09:55:22 +04:00
parent c11a305037
commit 8d5833640f
2 changed files with 16 additions and 23 deletions
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9
src/dlangui/widgets/lists.d
View File

@ -122,7 +122,7 @@ class ListWidget : WidgetGroup, OnScrollHandler {
/// get adapter
@property ListAdapter adapter() { return _adapter; }
/// set adapter
@property ListWidget adapter(ListAdapter adapter) {
@property ListWidget adapter(ListAdapter adapter) {
if (_adapter !is null && _ownAdapter)
destroy(_adapter);
_adapter = adapter;
@ -184,8 +184,9 @@ class ListWidget : WidgetGroup, OnScrollHandler {
}
/// override to handle change of selection
protected void selectionChanged(int index, int previouslySelectedItem = -1, MouseEvent event = null) {
protected void selectionChanged(int index, int previouslySelectedItem = -1) {
}
/// override to handle mouse up on item
protected void itemClicked(int index) {
}
@ -470,7 +471,7 @@ class ListWidget : WidgetGroup, OnScrollHandler {
/// process mouse event; return true if event is processed by widget.
override bool onMouseEvent(MouseEvent event) {
Log.d("onMouseEvent ", id, " ", event.action, " (", event.x, ",", event.y, ")");
//Log.d("onMouseEvent ", id, " ", event.action, " (", event.x, ",", event.y, ")");
if (event.action == MouseAction.Leave || event.action == MouseAction.Cancel) {
setHoverItem(-1);
return true;
@ -497,7 +498,7 @@ class ListWidget : WidgetGroup, OnScrollHandler {
int prevSelection = _selectedItemIndex;
selectItem(i);
setHoverItem(-1);
selectionChanged(_selectedItemIndex, prevSelection, event);
selectionChanged(_selectedItemIndex, prevSelection);
}
} else
setHoverItem(i);

30
src/dlangui/widgets/menu.d
View File

@ -6,6 +6,7 @@ import dlangui.widgets.layouts;
import dlangui.widgets.lists;
import dlangui.widgets.popup;
/// menu item properties
class MenuItem {
protected bool _checkable;
protected bool _checked;
@ -56,17 +57,10 @@ class MenuItem {
}
}
interface MenuItemWidgetHandler {
bool onItemMouseDown(MenuItemWidget itemWidget, MouseEvent ev);
bool onItemMouseUp(MenuItemWidget itemWidget, MouseEvent ev);
}
/// widget to draw menu item
class MenuItemWidget : HorizontalLayout {
protected MenuItem _item;
protected TextWidget _label;
protected MenuItemWidgetHandler _handler;
@property MenuItemWidgetHandler handler() { return _handler; }
@property MenuItemWidget handler(MenuItemWidgetHandler h) { _handler = h; return this; }
@property MenuItem item() { return _item; }
this(MenuItem item) {
id="menuitem";
@ -79,11 +73,17 @@ class MenuItemWidget : HorizontalLayout {
}
}
/// base class for menus
class MenuWidgetBase : ListWidget {
protected MenuWidgetBase _parentMenu;
protected MenuItem _item;
protected PopupMenu _openedMenu;
protected PopupWidget _openedPopup;
protected bool delegate(MenuItem item) _onMenuItemClickListener;
/// menu item click listener
@property bool delegate(MenuItem item) onMenuItemListener() { return _onMenuItemClickListener; }
/// menu item click listener
@property MenuWidgetBase onMenuItemListener(bool delegate(MenuItem item) listener) { _onMenuItemClickListener = listener; return this; }
this(MenuWidgetBase parentMenu, MenuItem item, Orientation orientation) {
_parentMenu = parentMenu;
@ -97,7 +97,6 @@ class MenuWidgetBase : ListWidget {
MenuItemWidget widget = new MenuItemWidget(subitem);
if (orientation == Orientation.Horizontal)
widget.styleId = "MAIN_MENU_ITEM";
//widget.handler = this;
adapter.widgets.add(widget);
}
ownAdapter = adapter;
@ -108,32 +107,24 @@ class MenuWidgetBase : ListWidget {
_openedPopup.close();
PopupMenu popupMenu = new PopupMenu(itemWidget.item, this);
PopupWidget popup = window.showPopup(popupMenu, itemWidget, PopupAlign.Below);
//if (event !is null && (event.flags & (MouseFlag.LButton || MouseFlag.RButton)))
// event.track(popupMenu);
_openedPopup = popup;
_openedMenu = popupMenu;
}
/// override to handle change of selection
override protected void selectionChanged(int index, int previouslySelectedItem = -1, MouseEvent event = null) {
override protected void selectionChanged(int index, int previouslySelectedItem = -1) {
MenuItemWidget itemWidget = index >= 0 ? cast(MenuItemWidget)_adapter.itemWidget(index) : null;
if (itemWidget !is null) {
if (itemWidget.item.isSubmenu()) {
if (_selectOnHover) {
openSubmenu(itemWidget);
}
} else {
// normal item
}
}
}
protected bool delegate(MenuItem item) _onMenuItemClickListener;
@property bool delegate(MenuItem item) onMenuItemListener() { return _onMenuItemClickListener; }
@property MenuWidgetBase onMenuItemListener(bool delegate(MenuItem item) listener) { _onMenuItemClickListener = listener; return this; }
protected void onMenuItem(MenuItem item) {
if (_openedPopup !is null) {
_openedPopup.close();
@ -181,6 +172,7 @@ class MenuWidgetBase : ListWidget {
}
}
/// main menu (horizontal)
class MainMenu : MenuWidgetBase {
this(MenuItem item) {
@ -191,6 +183,7 @@ class MainMenu : MenuWidgetBase {
}
}
/// popup menu widget (vertical layout of items)
class PopupMenu : MenuWidgetBase {
this(MenuItem item, MenuWidgetBase parentMenu = null) {
@ -200,4 +193,3 @@ class PopupMenu : MenuWidgetBase {
selectOnHover = true;
}
}