mirror
/
OpenTTD
mirror of https://github.com/OpenTTD/OpenTTD
1
0
Fork 0
Code Issues

(svn r20451) -Codechange: Add helper function Window::GetScrollbar() to get the Scrollbar belonging to a scrollbar widget.

release/1.1
frosch 2010-08-12 06:40:28 +00:00
parent cfde445ec9
commit 629b350a71
2 changed files with 35 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
src/window.cpp
View File

@ -130,6 +130,39 @@ void Scrollbar::SetCapacityFromWidget(Window *w, int widget, int padding)
} }
} }
/**
* Return the Scrollbar to a widget index.
* @param widnum Scrollbar widget index
* @return Scrollbar to the widget
*/
const Scrollbar *Window::GetScrollbar(uint widnum) const
{
const NWidgetLeaf *wid = this->GetWidget<NWidgetLeaf>(widnum);
switch (wid->type) {
case WWT_HSCROLLBAR: return &this->hscroll;
case WWT_SCROLLBAR: return &this->vscroll;
case WWT_SCROLL2BAR: return &this->vscroll2;
default: NOT_REACHED();
}
}
/**
* Return the Scrollbar to a widget index.
* @param widnum Scrollbar widget index
* @return Scrollbar to the widget
*/
Scrollbar *Window::GetScrollbar(uint widnum)
{
NWidgetLeaf *wid = this->GetWidget<NWidgetLeaf>(widnum);
switch (wid->type) {
case WWT_HSCROLLBAR: return &this->hscroll;
case WWT_SCROLLBAR: return &this->vscroll;
case WWT_SCROLL2BAR: return &this->vscroll2;
default: NOT_REACHED();
}
}
/** /**
* Set the window that has the focus * Set the window that has the focus
* @param w The window to set the focus on * @param w The window to set the focus on

2
src/window_gui.h
View File

@ -407,6 +407,8 @@ public:
template <class NWID> template <class NWID>
inline NWID *GetWidget(uint widnum); inline NWID *GetWidget(uint widnum);
const Scrollbar *GetScrollbar(uint widnum) const;
Scrollbar *GetScrollbar(uint widnum);
void InitNested(const WindowDesc *desc, WindowNumber number = 0); void InitNested(const WindowDesc *desc, WindowNumber number = 0);
void CreateNestedTree(const WindowDesc *desc, bool fill_nested = true); void CreateNestedTree(const WindowDesc *desc, bool fill_nested = true);