dropdown.cpp File Reference

Implementation of the dropdown widget. More...

#include "../stdafx.h"
#include "../window_gui.h"
#include "../strings_func.h"
#include "../gfx_func.h"
#include "../window_func.h"
#include "../core/math_func.hpp"
#include "dropdown_type.h"
#include "table/strings.h"

Go to the source code of this file.

Data Structures

struct  DropdownWindow

Functions

static void DeleteDropDownList (DropDownList *list)
 Delete all items of a drop down list and the list itself.
void ShowDropDownList (Window *w, DropDownList *list, int selected, int button, uint width, bool auto_width, bool instant_close)
 Show a drop down list.
void ShowDropDownMenu (Window *w, const StringID *strings, int selected, int button, uint32 disabled_mask, uint32 hidden_mask, uint width)
int HideDropDownMenu (Window *pw)
 Delete the drop-down menu from window pw.

Variables

static const Widget _dropdown_menu_widgets []


Detailed Description

Implementation of the dropdown widget.

Definition in file dropdown.cpp.


Function Documentation

static void DeleteDropDownList ( DropDownList list  )  [static]

Delete all items of a drop down list and the list itself.

Parameters:
list List to delete.

Definition at line 56 of file dropdown.cpp.

int HideDropDownMenu ( Window pw  ) 

Delete the drop-down menu from window pw.

Parameters:
pw Parent window of the drop-down menu window

Definition at line 368 of file dropdown.cpp.

References Window::window_class, and Window::window_number.

Referenced by DispatchLeftClickEvent(), and VehicleListWindow::OnPaint().

void ShowDropDownList ( Window w,
DropDownList list,
int  selected,
int  button,
uint  width = 0,
bool  auto_width = false,
bool  instant_close = false 
)

Show a drop down list.

Parameters:
w Parent window for the list.
list Prepopulated DropDownList. Will be deleted when the list is closed.
selected The initially selected list item.
button The widget within the parent window that is used to determine the list's location.
width Override the width determined by the selected widget.
auto_width Maximum width is determined by the widest item in the list.
instant_close Set to true if releasing mouse button should close the list regardless of where the cursor is.

Definition at line 237 of file dropdown.cpp.

References Widget::bottom, Widget::colour, DeleteWindowById(), FindWindowById(), Window::height, DropDownListItem::Height(), Window::InvalidateWidget(), Window::left, Widget::left, Window::LowerWidget(), max(), Widget::right, Widget::top, Window::top, WDF_DEF_WIDGET, Window::widget, DropDownListItem::Width(), Window::window_class, and Window::window_number.

Referenced by NewGRFWindow::OnClick(), ReplaceVehicleWindow::OnClick(), PopupMainCompanyToolbMenu(), PopupMainToolbMenu(), ShowGroupActionDropdown(), and ShowTownnameDropdown().


Variable Documentation

const Widget _dropdown_menu_widgets[] [static]

Initial value:

 {
{      WWT_PANEL,   RESIZE_NONE,  COLOUR_END,     0, 0,     0, 0, 0x0, STR_NULL},
{  WWT_SCROLLBAR,   RESIZE_NONE,  COLOUR_END,     0, 0,     0, 0, 0x0, STR_0190_SCROLL_BAR_SCROLLS_LIST},
{   WIDGETS_END},
}

Definition at line 65 of file dropdown.cpp.


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