PickerWindow Class Reference

Inheritance diagram for PickerWindow:

Public Types
enum	PickerFilterModes { PFM_ALL = 0 , PFM_USED = 1 , PFM_SAVED = 2 }
enum	PickerFilterInvalidation { PFI_CLASS = 1U << 0 , PFI_TYPE = 1U << 1 , PFI_POSITION = 1U << 2 , PFI_VALIDATE = 1U << 3 }
enum	PickerClassWindowHotkeys { PCWHK_FOCUS_FILTER_BOX }
	Enum referring to the Hotkeys in the picker window. More...
Public Types inherited from Window
using	IteratorToFront = WindowIterator< false >
	Iterate in Z order towards front.
using	IteratorToBack = WindowIterator< true >
	Iterate in Z order towards back.
using	Iterate = AllWindows< false >
	Iterate all windows in whatever order is easiest.
using	IterateFromBack = AllWindows< false >
	Iterate all windows in Z order from back to front.
using	IterateFromFront = AllWindows< true >
	Iterate all windows in Z order from front to back.

Public Member Functions
	PickerWindow (WindowDesc &desc, Window *parent, int window_number, PickerCallbacks &callbacks)
void	Close (int data=0) override
	Hide the window and all its child windows, and mark them for a later deletion.
void	UpdateWidgetSize (WidgetID widget, Dimension &size, const Dimension &padding, Dimension &fill, Dimension &resize) override
void	DrawWidget (const Rect &r, WidgetID widget) const override
void	OnResize () override
	Called after the window got resized. More...
void	OnClick (Point pt, WidgetID widget, int click_count) override
void	OnInvalidateData (int data=0, bool gui_scope=true) override
EventState	OnHotkey (int hotkey) override
	A hotkey has been pressed. More...
void	OnEditboxChanged (WidgetID wid) override
Public Member Functions inherited from PickerWindowBase
	PickerWindowBase (WindowDesc &desc, Window *parent)
void	Close ([[maybe_unused]] int data=0) override
	Hide the window and all its child windows, and mark them for a later deletion. More...
Public Member Functions inherited from Window
	Window (WindowDesc &desc)
	Empty constructor, initialization has been moved to InitNested() called from the constructor of the derived class. More...
void *	operator new[] (size_t size)=delete
	Helper allocation function to disallow something. More...
template<class NWID >
const NWID *	GetWidget (WidgetID widnum) const
	Get the nested widget with number widnum from the nested widget tree. More...
template<class NWID >
NWID *	GetWidget (WidgetID widnum)
	Get the nested widget with number widnum from the nested widget tree. More...
const Scrollbar *	GetScrollbar (WidgetID widnum) const
	Return the Scrollbar to a widget index. More...
Scrollbar *	GetScrollbar (WidgetID widnum)
	Return the Scrollbar to a widget index. More...
const QueryString *	GetQueryString (WidgetID widnum) const
	Return the querystring associated to a editbox. More...
QueryString *	GetQueryString (WidgetID widnum)
	Return the querystring associated to a editbox. More...
void	UpdateQueryStringSize ()
	Update size of all QueryStrings of this window.
virtual const struct Textbuf *	GetFocusedTextbuf () const
	Get the current input text buffer. More...
virtual Point	GetCaretPosition () const
	Get the current caret position if an edit box has the focus. More...
virtual Rect	GetTextBoundingRect (const char *from, const char *to) const
	Get the bounding rectangle for a text range if an edit box has the focus. More...
virtual ptrdiff_t	GetTextCharacterAtPosition (const Point &pt) const
	Get the character that is rendered at a position by the focused edit box. More...
void	InitNested (WindowNumber number=0)
	Perform complete initialization of the Window with nested widgets, to allow use. More...
void	CreateNestedTree ()
	Perform the first part of the initialization of a nested widget tree. More...
void	FinishInitNested (WindowNumber window_number=0)
	Perform the second part of the initialization of a nested widget tree. More...
template<typename T , std::enable_if_t< std::is_base_of< StrongTypedefBase, T >::value, int > = 0>
void	FinishInitNested (T number)
void	SetTimeout ()
	Set the timeout flag of the window and initiate the timer.
void	SetWhiteBorder ()
	Set the timeout flag of the window and initiate the timer.
void	DisableAllWidgetHighlight ()
	Disable the highlighted status of all widgets.
void	SetWidgetHighlight (WidgetID widget_index, TextColour highlighted_colour)
	Sets the highlighted status of a widget. More...
bool	IsWidgetHighlighted (WidgetID widget_index) const
	Gets the highlighted status of a widget. More...
void	SetWidgetDisabledState (WidgetID widget_index, bool disab_stat)
	Sets the enabled/disabled status of a widget. More...
void	DisableWidget (WidgetID widget_index)
	Sets a widget to disabled. More...
void	EnableWidget (WidgetID widget_index)
	Sets a widget to Enabled. More...
bool	IsWidgetDisabled (WidgetID widget_index) const
	Gets the enabled/disabled status of a widget. More...
bool	IsWidgetFocused (WidgetID widget_index) const
	Check if given widget is focused within this window. More...
bool	IsWidgetGloballyFocused (WidgetID widget_index) const
	Check if given widget has user input focus. More...
void	SetWidgetLoweredState (WidgetID widget_index, bool lowered_stat)
	Sets the lowered/raised status of a widget. More...
void	ToggleWidgetLoweredState (WidgetID widget_index)
	Invert the lowered/raised status of a widget. More...
void	LowerWidget (WidgetID widget_index)
	Marks a widget as lowered. More...
void	RaiseWidget (WidgetID widget_index)
	Marks a widget as raised. More...
void	RaiseWidgetWhenLowered (WidgetID widget_index)
	Marks a widget as raised and dirty (redraw), when it is marked as lowered. More...
bool	IsWidgetLowered (WidgetID widget_index) const
	Gets the lowered state of a widget. More...
void	UnfocusFocusedWidget ()
	Makes no widget on this window have focus. More...
bool	SetFocusedWidget (WidgetID widget_index)
	Set focus within this window to the given widget. More...
EventState	HandleEditBoxKey (WidgetID wid, char32_t key, uint16_t keycode)
	Process keypress for editbox widget. More...
virtual void	InsertTextString (WidgetID wid, const char *str, bool marked, const char *caret, const char *insert_location, const char *replacement_end)
	Insert a text string at the cursor position into the edit box widget. More...
void	HandleButtonClick (WidgetID widget)
	Do all things to make a button look clicked and mark it to be unclicked in a few ticks. More...
int	GetRowFromWidget (int clickpos, WidgetID widget, int padding, int line_height=-1) const
	Compute the row of a widget that a user clicked in. More...
void	RaiseButtons (bool autoraise=false)
	Raise the buttons of the window. More...
template<typename... Args>
void	SetWidgetsDisabledState (bool disab_stat, Args... widgets)
	Sets the enabled/disabled status of a list of widgets. More...
template<typename... Args>
void	SetWidgetsLoweredState (bool lowered_stat, Args... widgets)
	Sets the lowered/raised status of a list of widgets. More...
template<typename... Args>
void	RaiseWidgetsWhenLowered (Args... widgets)
	Raises the widgets and sets widgets dirty that are lowered. More...
void	SetWidgetDirty (WidgetID widget_index) const
	Invalidate a widget, i.e. More...
void	DrawWidgets () const
	Paint all widgets of a window.
void	DrawViewport () const
	Draw the viewport of this window.
void	DrawSortButtonState (WidgetID widget, SortButtonState state) const
	Draw a sort button's up or down arrow symbol. More...
Window *	FindChildWindow (WindowClass wc=WC_INVALID) const
	Find the Window whose parent pointer points to this window. More...
void	CloseChildWindows (WindowClass wc=WC_INVALID) const
	Close all children a window might have in a head-recursive manner. More...
void	SetDirty () const
	Mark entire window as dirty (in need of re-paint)
void	ReInit (int rx=0, int ry=0, bool reposition=false)
	Re-initialize a window, and optionally change its size. More...
bool	IsShaded () const
	Is window shaded currently?
void	SetShaded (bool make_shaded)
	Set the shaded state of the window to make_shaded. More...
void	ScheduleResize ()
	Mark this window as resized and in need of OnResize() event.
void	ProcessScheduledResize ()
	Process scheduled OnResize() event.
void	InvalidateData (int data=0, bool gui_scope=true)
	Mark this window's data as invalid (in need of re-computing) More...
void	ProcessScheduledInvalidations ()
	Process all scheduled invalidations.
void	ProcessHighlightedInvalidations ()
	Process all invalidation of highlighted widgets.
virtual void	OnInit ()
	Notification that the nested widget tree gets initialized. More...
virtual void	ApplyDefaults ()
	Read default values from WindowDesc configuration an apply them to the window.
virtual Point	OnInitialPosition (int16_t sm_width, int16_t sm_height, int window_number)
	Compute the initial position of the window. More...
virtual void	OnPaint ()
	The window must be repainted. More...
virtual void	DrawWidget ([[maybe_unused]] const Rect &r, [[maybe_unused]] WidgetID widget) const
	Draw the contents of a nested widget. More...
virtual void	UpdateWidgetSize ([[maybe_unused]] WidgetID widget, [[maybe_unused]] Dimension &size, [[maybe_unused]] const Dimension &padding, [[maybe_unused]] Dimension &fill, [[maybe_unused]] Dimension &resize)
	Update size and resize step of a widget in the window. More...
virtual void	SetStringParameters ([[maybe_unused]] WidgetID widget) const
	Initialize string parameters for a widget. More...
virtual void	OnFocus ()
	The window has gained focus. More...
virtual void	OnFocusLost (bool closing)
	The window has lost focus. More...
virtual EventState	OnKeyPress ([[maybe_unused]] char32_t key, [[maybe_unused]] uint16_t keycode)
	A key has been pressed. More...
virtual EventState	OnCTRLStateChange ()
	The state of the control key has changed. More...
virtual void	OnClick ([[maybe_unused]] Point pt, [[maybe_unused]] WidgetID widget, [[maybe_unused]] int click_count)
	A click with the left mouse button has been made on the window. More...
virtual bool	OnRightClick ([[maybe_unused]] Point pt, [[maybe_unused]] WidgetID widget)
	A click with the right mouse button has been made on the window. More...
virtual void	OnHover ([[maybe_unused]] Point pt, [[maybe_unused]] WidgetID widget)
	The mouse is hovering over a widget in the window, perform an action for it. More...
virtual bool	OnTooltip ([[maybe_unused]] Point pt, [[maybe_unused]] WidgetID widget, [[maybe_unused]] TooltipCloseCondition close_cond)
	Event to display a custom tooltip. More...
virtual void	OnMouseDrag ([[maybe_unused]] Point pt, [[maybe_unused]] WidgetID widget)
	An 'object' is being dragged at the provided position, highlight the target if possible. More...
virtual void	OnDragDrop ([[maybe_unused]] Point pt, [[maybe_unused]] WidgetID widget)
	A dragged 'object' has been released. More...
virtual void	OnScroll ([[maybe_unused]] Point delta)
	Handle the request for (viewport) scrolling. More...
virtual void	OnMouseOver ([[maybe_unused]] Point pt, [[maybe_unused]] WidgetID widget)
	The mouse is currently moving over the window or has just moved outside of the window. More...
virtual void	OnMouseWheel ([[maybe_unused]] int wheel)
	The mouse wheel has been turned. More...
virtual void	OnMouseLoop ()
	Called for every mouse loop run, which is at least once per (game) tick.
virtual void	OnGameTick ()
	Called once per (game) tick.
virtual void	OnRealtimeTick ([[maybe_unused]] uint delta_ms)
	Called periodically.
virtual void	OnTimeout ()
	Called when this window's timeout has been reached.
virtual void	OnDropdownSelect ([[maybe_unused]] WidgetID widget, [[maybe_unused]] int index)
	A dropdown option associated to this window has been selected. More...
virtual void	OnDropdownClose (Point pt, WidgetID widget, int index, bool instant_close)
	A dropdown window associated to this window has been closed. More...
virtual void	OnEditboxChanged ([[maybe_unused]] WidgetID widget)
	The text in an editbox has been edited. More...
virtual void	OnQueryTextFinished ([[maybe_unused]] std::optional< std::string > str)
	The query window opened from this window has closed. More...
virtual void	OnInvalidateData ([[maybe_unused]] int data=0, [[maybe_unused]] bool gui_scope=true)
	Some data on this window has become invalid. More...
virtual void	OnPlaceObject ([[maybe_unused]] Point pt, [[maybe_unused]] TileIndex tile)
	The user clicked some place on the map when a tile highlight mode has been set. More...
virtual bool	OnVehicleSelect ([[maybe_unused]] const struct Vehicle *v)
	The user clicked on a vehicle while HT_VEHICLE has been set. More...
virtual bool	OnVehicleSelect ([[maybe_unused]] VehicleList::const_iterator begin, [[maybe_unused]] VehicleList::const_iterator end)
	The user clicked on a vehicle while HT_VEHICLE has been set. More...
virtual void	OnPlaceObjectAbort ()
	The user cancelled a tile highlight mode that has been set.
virtual void	OnPlaceDrag ([[maybe_unused]] ViewportPlaceMethod select_method, [[maybe_unused]] ViewportDragDropSelectionProcess select_proc, [[maybe_unused]] Point pt)
	The user is dragging over the map when the tile highlight mode has been set. More...
virtual void	OnPlaceMouseUp ([[maybe_unused]] ViewportPlaceMethod select_method, [[maybe_unused]] ViewportDragDropSelectionProcess select_proc, [[maybe_unused]] Point pt, [[maybe_unused]] TileIndex start_tile, [[maybe_unused]] TileIndex end_tile)
	The user has dragged over the map when the tile highlight mode has been set. More...
virtual void	OnPlacePresize ([[maybe_unused]] Point pt, [[maybe_unused]] TileIndex tile)
	The user moves over the map when a tile highlight mode has been set when the special mouse mode has been set to 'PRESIZE' mode. More...
virtual bool	IsNewGRFInspectable () const
	Is the data related to this window NewGRF inspectable? More...
virtual void	ShowNewGRFInspectWindow () const
	Show the NewGRF inspection window. More...
template<>
const NWidgetBase *	GetWidget (WidgetID widnum) const
	Specialized case of Window::GetWidget for the nested widget base class.
Public Member Functions inherited from ZeroedMemoryAllocator
void *	operator new (size_t size)
	Memory allocator for a single class instance. More...
void *	operator new[] (size_t size)
	Memory allocator for an array of class instances. More...
void	operator delete (void *ptr)
	Memory release for a single class instance. More...
void	operator delete[] (void *ptr)
	Memory release for an array of class instances. More...

Data Fields
bool	has_class_picker = false
	Set if this window has a class picker 'component'.
bool	has_type_picker = false
	Set if this window has a type picker 'component'.
Data Fields inherited from Window
WindowDesc &	window_desc
	Window description.
WindowFlags	flags
	Window flags.
WindowClass	window_class
	Window class.
WindowNumber	window_number
	Window number within the window class.
int	scale
	Scale of this window – used to determine how to resize.
uint8_t	timeout_timer
	Timer value of the WF_TIMEOUT for flags.
uint8_t	white_border_timer
	Timer value of the WF_WHITE_BORDER for flags.
int	left
	x position of left edge of the window
int	top
	y position of top edge of the window
int	width
	width of the window (number of pixels to the right in x direction)
int	height
	Height of the window (number of pixels down in y direction)
ResizeInfo	resize
	Resize information.
Owner	owner
	The owner of the content shown in this window. Company colour is acquired from this variable.
ViewportData *	viewport
	Pointer to viewport data, if present.
const NWidgetCore *	nested_focus
	Currently focused nested widget, or nullptr if no nested widget has focus.
std::map< WidgetID, QueryString * >	querystrings
	QueryString associated to WWT_EDITBOX widgets.
std::unique_ptr< NWidgetBase >	nested_root
	Root of the nested tree.
WidgetLookup	widget_lookup
	Indexed access to the nested widget tree. Do not access directly, use Window::GetWidget() instead.
NWidgetStacked *	shade_select
	Selection widget (NWID_SELECTION) to use for shading the window. If nullptr, window cannot shade.
Dimension	unshaded_size
	Last known unshaded size (only valid while shaded).
WidgetID	mouse_capture_widget
	ID of current mouse capture widget (e.g. dragged scrollbar). -1 if no widget has mouse capture.
Window *	parent
	Parent window.
WindowList::iterator	z_position

Static Public Attributes
static const int	PREVIEW_WIDTH = 64
	Width of each preview button.
static const int	PREVIEW_HEIGHT = 48
	Height of each preview button.
static const int	PREVIEW_LEFT = 31
	Offset from left edge to draw preview.
static const int	PREVIEW_BOTTOM = 31
	Offset from bottom edge to draw preview.
static const uint	EDITBOX_MAX_SIZE = 16
	The maximum number of characters for the filter edit box.

Protected Member Functions
void	ConstructWindow ()
Protected Member Functions inherited from Window
void	InitializeData (WindowNumber window_number)
	Initializes the data (except the position and initial size) of a new Window. More...
void	InitializePositionSize (int x, int y, int min_width, int min_height)
	Set the position and smallest size of the window. More...
virtual void	FindWindowPlacementAndResize (int def_width, int def_height)
	Resize window towards the default size. More...
virtual	~Window ()
	Remove window and all its child windows from the window stack.

Protected Attributes
PickerCallbacks &	callbacks
Protected Attributes inherited from Window
std::vector< int >	scheduled_invalidation_data
	Data of scheduled OnInvalidateData() calls.
bool	scheduled_resize
	Set if window has been resized.

Private Member Functions
void	BuildPickerClassList ()
	Builds the filter list of classes.
void	EnsureSelectedClassIsValid ()
void	EnsureSelectedClassIsVisible ()
void	RefreshUsedTypeList ()
void	BuildPickerTypeList ()
	Builds the filter list of types.
void	EnsureSelectedTypeIsValid ()
void	EnsureSelectedTypeIsVisible ()

Private Attributes
PickerClassList	classes
	List of classes.
PickerFilterData	class_string_filter
QueryString	class_editbox
	Filter editbox.
PickerTypeList	types
	List of types.
PickerFilterData	type_string_filter
QueryString	type_editbox
	Filter editbox.
IntervalTimer< TimerGameCalendar >	yearly_interval
IntervalTimer< TimerWindow >	refresh_interval

Additional Inherited Members
Static Public Member Functions inherited from Window
static int	SortButtonWidth ()
	Get width of up/down arrow of sort button state. More...
static void	DeleteClosedWindows ()
	Delete all closed windows.

Detailed Description

Definition at line 148 of file picker_gui.h.

Member Enumeration Documentation

PickerClassWindowHotkeys

enum PickerWindow::PickerClassWindowHotkeys

Enum referring to the Hotkeys in the picker window.

Enumerator
PCWHK_FOCUS_FILTER_BOX	Focus the edit box for editing the filter string.

Definition at line 184 of file picker_gui.h.

PickerFilterInvalidation

enum PickerWindow::PickerFilterInvalidation

Enumerator
PFI_CLASS	Refresh the class list.
PFI_TYPE	Refresh the type list.
PFI_POSITION	Update scroll positions.
PFI_VALIDATE	Validate selected item.

Definition at line 156 of file picker_gui.h.

PickerFilterModes

enum PickerWindow::PickerFilterModes

Enumerator
PFM_ALL	Show all classes.
PFM_USED	Show used types.
PFM_SAVED	Show saved types.

Definition at line 150 of file picker_gui.h.

Member Function Documentation

OnHotkey()

EventState PickerWindow::OnHotkey ( int  hotkey )

overridevirtual

A hotkey has been pressed.

Parameters

hotkey

Hotkey index, by default a widget index of a button or editbox.

Returns

ES_HANDLED if the key press has been handled, and the hotkey is not unavailable for some reason.

Reimplemented from Window.

Definition at line 412 of file picker_gui.cpp.

References ES_HANDLED, ES_NOT_HANDLED, has_class_picker, has_type_picker, NWidgetCore::index, Window::nested_focus, PCWHK_FOCUS_FILTER_BOX, Window::SetFocusedWidget(), SetFocusedWindow(), WID_PW_CLASS_FILTER, and WID_PW_TYPE_FILTER.

OnResize()

void PickerWindow::OnResize ( )

overridevirtual

Called after the window got resized.

For nested windows with a viewport, call NWidgetViewport::UpdateViewportCoordinates.

Reimplemented from Window.

Definition at line 324 of file picker_gui.cpp.

References Window::GetScrollbar(), has_class_picker, Scrollbar::SetCapacityFromWidget(), WID_PW_CLASS_LIST, and WID_PW_CLASS_SCROLL.

Field Documentation

refresh_interval

IntervalTimer<TimerWindow> PickerWindow::refresh_interval

private

Initial value:

= {std::chrono::seconds(3), [this](auto) {
    RefreshUsedTypeList();
  }}

Definition at line 215 of file picker_gui.h.

yearly_interval

IntervalTimer<TimerGameCalendar> PickerWindow::yearly_interval

private

Initial value:

= {{TimerGameCalendar::YEAR, TimerGameCalendar::Priority::NONE}, [this](auto) {
    this->SetDirty();
  }}

Definition at line 211 of file picker_gui.h.

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The documentation for this class was generated from the following files:

• src/picker_gui.h
• src/picker_gui.cpp