OpenTTD
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Baseclass for container widgets. More...
#include <widget_type.h>
Public Member Functions | |
NWidgetContainer (WidgetType tp) | |
Constructor container baseclass. | |
void | Add (NWidgetBase *wid) |
Append widget wid to container. | |
void | FillNestedArray (NWidgetBase **array, uint length) |
bool | IsEmpty () |
Return whether the container is empty. | |
NWidgetBase * | GetWidgetOfType (WidgetType tp) |
Retrieve a widget by its type. | |
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NWidgetBase (WidgetType tp) | |
Base class constructor. | |
virtual void | SetupSmallestSize (Window *w, bool init_array)=0 |
Compute smallest size needed by the widget. | |
virtual void | AssignSizePosition (SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl)=0 |
Assign size and position to the widget. | |
virtual NWidgetCore * | GetWidgetFromPos (int x, int y)=0 |
Retrieve a widget by its position. | |
virtual bool | IsHighlighted () const |
virtual TextColour | GetHighlightColour () const |
virtual void | SetHighlighted (TextColour highlight_colour) |
void | SetPadding (uint8 top, uint8 right, uint8 bottom, uint8 left) |
Set additional space (padding) around the widget. | |
uint | GetHorizontalStepSize (SizingType sizing) const |
Get the horizontal sizing step. | |
uint | GetVerticalStepSize (SizingType sizing) const |
Get the vertical sizing step. | |
virtual void | Draw (const Window *w)=0 |
Draw the widgets of the tree. | |
virtual void | SetDirty (const Window *w) const |
Mark the widget as 'dirty' (in need of repaint). | |
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void * | operator new (size_t size) |
Memory allocator for a single class instance. | |
void * | operator new[] (size_t size) |
Memory allocator for an array of class instances. | |
void | operator delete (void *ptr) |
Memory release for a single class instance. | |
void | operator delete[] (void *ptr) |
Memory release for an array of class instances. |
Protected Attributes | |
NWidgetBase * | head |
Pointer to first widget in container. | |
NWidgetBase * | tail |
Pointer to last widget in container. |
Additional Inherited Members | |
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WidgetType | type |
Type of the widget / nested widget. | |
uint | fill_x |
Horizontal fill stepsize (from initial size, 0 means not resizable). | |
uint | fill_y |
Vertical fill stepsize (from initial size, 0 means not resizable). | |
uint | resize_x |
Horizontal resize step (0 means not resizable). | |
uint | resize_y |
Vertical resize step (0 means not resizable). | |
uint | smallest_x |
Smallest horizontal size of the widget in a filled window. | |
uint | smallest_y |
Smallest vertical size of the widget in a filled window. | |
uint | current_x |
Current horizontal size (after resizing). | |
uint | current_y |
Current vertical size (after resizing). | |
uint | pos_x |
Horizontal position of top-left corner of the widget in the window. | |
uint | pos_y |
Vertical position of top-left corner of the widget in the window. | |
NWidgetBase * | next |
Pointer to next widget in container. Managed by parent container widget. | |
NWidgetBase * | prev |
Pointer to previous widget in container. Managed by parent container widget. | |
uint8 | padding_top |
Paddings added to the top of the widget. Managed by parent container widget. | |
uint8 | padding_right |
Paddings added to the right of the widget. Managed by parent container widget. (parent container may swap this with padding_left for RTL) | |
uint8 | padding_bottom |
Paddings added to the bottom of the widget. Managed by parent container widget. | |
uint8 | padding_left |
Paddings added to the left of the widget. Managed by parent container widget. (parent container may swap this with padding_right for RTL) | |
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void | StoreSizePosition (SizingType sizing, uint x, uint y, uint given_width, uint given_height) |
Store size and position. |
Baseclass for container widgets.
Definition at line 368 of file widget_type.h.
NWidgetContainer::NWidgetContainer | ( | WidgetType | tp | ) |
Constructor container baseclass.
tp | Type of the container. |
Definition at line 913 of file widget.cpp.
void NWidgetContainer::Add | ( | NWidgetBase * | wid | ) |
Append widget wid to container.
wid | Widget to append. |
Definition at line 943 of file widget.cpp.
References head, NWidgetBase::next, NWidgetBase::prev, and tail.
Referenced by NWidgetBackground::Add(), AddKey(), CargoWidgets(), MakeCargoButtons(), MakeCompanyButtonRows(), MakeMainToolbar(), MakeNWidgetCompanyLines(), MakePerformanceDetailPanels(), MakeWidgetTree(), and MakeWindowNWidgetTree().
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virtual |
Retrieve a widget by its type.
tp | Widget type to search for. |
NULL
if no widget can be found. Reimplemented from NWidgetBase.
Definition at line 929 of file widget.cpp.
References NWidgetBase::GetWidgetOfType(), head, NWidgetBase::next, and NWidgetBase::type.
Referenced by NWidgetBackground::GetWidgetOfType(), and MakeWindowNWidgetTree().
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inline |
Return whether the container is empty.
Definition at line 377 of file widget_type.h.
References head.
Referenced by AddKey().