diff options
-rw-r--r-- | src/widgets/dropdown.cpp | 80 | ||||
-rw-r--r-- | src/widgets/dropdown_type.h | 15 |
2 files changed, 62 insertions, 33 deletions
diff --git a/src/widgets/dropdown.cpp b/src/widgets/dropdown.cpp index 45420b0ba..dd2349965 100644 --- a/src/widgets/dropdown.cpp +++ b/src/widgets/dropdown.cpp @@ -328,32 +328,29 @@ struct DropdownWindow : Window { } }; -void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, uint width, bool auto_width, bool instant_close) +/** + * Show a drop down list. + * @param w Parent window for the list. + * @param list Prepopulated DropDownList. Will be deleted when the list is + * closed. + * @param selected The initially selected list item. + * @param button The widget which is passed to Window::OnDropdownSelect and OnDropdownClose. + * Unless you override those functions, this should be then widget index of the dropdown button. + * @param wi_rect Coord of the parent drop down button, used to position the dropdown menu. + * @param auto_width The width is determined by the widest item in the list, + * in this case only one of \a left or \a right is used (depending on text direction). + * @param instant_close Set to true if releasing mouse button should close the + * list regardless of where the cursor is. + */ +void ShowDropDownListAt(Window *w, DropDownList *list, int selected, int button, Rect wi_rect, Colours wi_colour, bool auto_width, bool instant_close) { DeleteWindowById(WC_DROPDOWN_MENU, 0); - /* Our parent's button widget is used to determine where to place the drop - * down list window. */ - Rect wi_rect; - Colours wi_colour; - NWidgetCore *nwi = w->GetWidget<NWidgetCore>(button); - wi_rect.left = nwi->pos_x; - wi_rect.right = nwi->pos_x + nwi->current_x - 1; - wi_rect.top = nwi->pos_y; - wi_rect.bottom = nwi->pos_y + nwi->current_y - 1; - wi_colour = nwi->colour; - - if ((nwi->type & WWT_MASK) == NWID_BUTTON_DROPDOWN) { - nwi->disp_flags |= ND_DROPDOWN_ACTIVE; - } else { - w->LowerWidget(button); - } - w->SetWidgetDirty(button); - /* The preferred position is just below the dropdown calling widget */ int top = w->top + wi_rect.bottom + 1; - if (width == 0) width = wi_rect.right - wi_rect.left + 1; + /* The preferred width equals the calling widget */ + uint width = wi_rect.right - wi_rect.left + 1; uint max_item_width = 0; @@ -406,6 +403,49 @@ void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, u } /** + * Show a drop down list. + * @param w Parent window for the list. + * @param list Prepopulated DropDownList. Will be deleted when the list is + * closed. + * @param selected The initially selected list item. + * @param button The widget within the parent window that is used to determine + * the list's location. + * @param width Override the width determined by the selected widget. + * @param auto_width Maximum width is determined by the widest item in the list. + * @param instant_close Set to true if releasing mouse button should close the + * list regardless of where the cursor is. + */ +void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, uint width, bool auto_width, bool instant_close) +{ + /* Our parent's button widget is used to determine where to place the drop + * down list window. */ + Rect wi_rect; + NWidgetCore *nwi = w->GetWidget<NWidgetCore>(button); + wi_rect.left = nwi->pos_x; + wi_rect.right = nwi->pos_x + nwi->current_x - 1; + wi_rect.top = nwi->pos_y; + wi_rect.bottom = nwi->pos_y + nwi->current_y - 1; + Colours wi_colour = nwi->colour; + + if ((nwi->type & WWT_MASK) == NWID_BUTTON_DROPDOWN) { + nwi->disp_flags |= ND_DROPDOWN_ACTIVE; + } else { + w->LowerWidget(button); + } + w->SetWidgetDirty(button); + + if (width != 0) { + if (_current_text_dir == TD_RTL) { + wi_rect.left = wi_rect.right + 1 - width; + } else { + wi_rect.right = wi_rect.left + width - 1; + } + } + + ShowDropDownListAt(w, list, selected, button, wi_rect, wi_colour, auto_width, instant_close); +} + +/** * Show a dropdown menu window near a widget of the parent window. * The result code of the items is their index in the \a strings list. * @param w Parent window that wants the dropdown menu. diff --git a/src/widgets/dropdown_type.h b/src/widgets/dropdown_type.h index 6edc5b847..b923445bb 100644 --- a/src/widgets/dropdown_type.h +++ b/src/widgets/dropdown_type.h @@ -85,19 +85,8 @@ public: */ typedef std::list<DropDownListItem *> DropDownList; -/** - * Show a drop down list. - * @param w Parent window for the list. - * @param list Prepopulated DropDownList. Will be deleted when the list is - * closed. - * @param selected The initially selected list item. - * @param button The widget within the parent window that is used to determine - * the list's location. - * @param width Override the width determined by the selected widget. - * @param auto_width Maximum width is determined by the widest item in the list. - * @param instant_close Set to true if releasing mouse button should close the - * list regardless of where the cursor is. - */ +void ShowDropDownListAt(Window *w, DropDownList *list, int selected, int button, Rect wi_rect, Colours wi_colour, bool auto_width = false, bool instant_close = false); + void ShowDropDownList(Window *w, DropDownList *list, int selected, int button, uint width = 0, bool auto_width = false, bool instant_close = false); #endif /* WIDGETS_DROPDOWN_TYPE_H */ |