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Codechange: Add parameter to persist dropdown menus. 

If a dropdown menu is set to persist, it will not close when an item is selected. It will close as normal if the window loses focus.

Closing the list is the responsibility of the caller.
This commit is contained in:
Peter Nelson 2023-11-11 21:55:34 +00:00 committed by Peter Nelson
parent b1c5e03df1
commit 4c44e1eae0
2 changed files with 13 additions and 8 deletions
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17
src/widgets/dropdown.cpp
View File

@ -47,6 +47,7 @@ struct DropdownWindow : Window {
byte click_delay = 0; ///< Timer to delay selection.
bool drag_mode = true;
bool instant_close; ///< Close the window when the mouse button is raised.
bool persist; ///< Persist dropdown menu.
int scrolling = 0; ///< If non-zero, auto-scroll the item list (one time).
Point position; ///< Position of the topleft corner of the window.
Scrollbar *vscroll;
@ -62,14 +63,16 @@ struct DropdownWindow : Window {
* @param wi_rect Rect of the button that opened the dropdown.
* @param instant_close Close the window when the mouse button is raised.
* @param wi_colour Colour of the parent widget.
* @param persist Dropdown menu will persist.
*/
DropdownWindow(Window *parent, DropDownList &&list, int selected, WidgetID button, const Rect wi_rect, bool instant_close, Colours wi_colour)
DropdownWindow(Window *parent, DropDownList &&list, int selected, WidgetID button, const Rect wi_rect, bool instant_close, Colours wi_colour, bool persist)
: Window(&_dropdown_desc)
, parent_button(button)
, wi_rect(wi_rect)
, list(std::move(list))
, selected_result(selected)
, instant_close(instant_close)
, persist(persist)
{
assert(!this->list.empty());
@ -265,7 +268,7 @@ struct DropdownWindow : Window {
if (this->click_delay != 0 && --this->click_delay == 0) {
/* Close the dropdown, so it doesn't affect new window placement.
* Also mark it dirty in case the callback deals with the screen. (e.g. screenshots). */
this->Close();
if (!this->persist) this->Close();
this->parent->OnDropdownSelect(this->parent_button, this->selected_result);
return;
}
@ -328,11 +331,12 @@ Dimension GetDropDownListDimension(const DropDownList &list)
* @param wi_rect Coord of the parent drop down button, used to position the dropdown menu.
* @param instant_close Set to true if releasing mouse button should close the
* list regardless of where the cursor is.
* @param persist Set if this dropdown should stay open after an option is selected.
*/
void ShowDropDownListAt(Window *w, DropDownList &&list, int selected, WidgetID button, Rect wi_rect, Colours wi_colour, bool instant_close)
void ShowDropDownListAt(Window *w, DropDownList &&list, int selected, WidgetID button, Rect wi_rect, Colours wi_colour, bool instant_close, bool persist)
{
CloseWindowByClass(WC_DROPDOWN_MENU);
new DropdownWindow(w, std::move(list), selected, button, wi_rect, instant_close, wi_colour);
new DropdownWindow(w, std::move(list), selected, button, wi_rect, instant_close, wi_colour, persist);
}
/**
@ -345,8 +349,9 @@ void ShowDropDownListAt(Window *w, DropDownList &&list, int selected, WidgetID b
* @param width Override the minimum width determined by the selected widget and list contents.
* @param instant_close Set to true if releasing mouse button should close the
* list regardless of where the cursor is.
* @param persist Set if this dropdown should stay open after an option is selected.
*/
void ShowDropDownList(Window *w, DropDownList &&list, int selected, WidgetID button, uint width, bool instant_close)
void ShowDropDownList(Window *w, DropDownList &&list, int selected, WidgetID button, uint width, bool instant_close, bool persist)
{
/* Our parent's button widget is used to determine where to place the drop
* down list window. */
@ -369,7 +374,7 @@ void ShowDropDownList(Window *w, DropDownList &&list, int selected, WidgetID but
}
}
ShowDropDownListAt(w, std::move(list), selected, button, wi_rect, wi_colour, instant_close);
ShowDropDownListAt(w, std::move(list), selected, button, wi_rect, wi_colour, instant_close, persist);
}
/**

4
src/widgets/dropdown_type.h
View File

@ -209,9 +209,9 @@ using DropDownListCheckedItem = DropDownCheck<DropDownString<DropDownListItem>>;
*/
typedef std::vector<std::unique_ptr<const DropDownListItem>> DropDownList;
void ShowDropDownListAt(Window *w, DropDownList &&list, int selected, WidgetID button, Rect wi_rect, Colours wi_colour, bool instant_close = false);
void ShowDropDownListAt(Window *w, DropDownList &&list, int selected, WidgetID button, Rect wi_rect, Colours wi_colour, bool instant_close = false, bool persist = false);
void ShowDropDownList(Window *w, DropDownList &&list, int selected, WidgetID button, uint width = 0, bool instant_close = false);
void ShowDropDownList(Window *w, DropDownList &&list, int selected, WidgetID button, uint width = 0, bool instant_close = false, bool persist = false);
Dimension GetDropDownListDimension(const DropDownList &list);