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GUI2 LuaAPI: add clear_items() (#9418)

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white-haired-uncle 2024-10-09 01:37:03 -04:00 • committed by GitHub
parent 56cc3aee0f
commit d2e7fbbeb8
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2 changed files with 31 additions and 3 deletions
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30
src/scripting/lua_widget_methods.cpp
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@ -280,7 +280,30 @@ static int intf_remove_dialog_item(lua_State* L)
return luaL_argerror(L, lua_gettop(L), "unsupported widget");
}
return 1;
return 0;
}
/**
* Removes all entries from a list.
* - Arg 1: widget
*/
static int intf_clear_items(lua_State* L)
{
gui2::widget* w = &luaW_checkwidget(L, 1);
if(auto* lb = dynamic_cast<gui2::listbox*>(w)) {
lb->clear();
} else if(auto* mp = dynamic_cast<gui2::multi_page*>(w)) {
mp->clear();
} else if(auto* tv = dynamic_cast<gui2::tree_view*>(w)) {
tv->clear();
} else if(auto* tvn = dynamic_cast<gui2::tree_view_node*>(w)) {
tvn->clear();
} else {
return luaL_argerror(L, lua_gettop(L), "unsupported widget");
}
return 0;
}
namespace { // helpers of intf_set_dialog_callback()
@ -463,14 +486,15 @@ int luaW_open(lua_State* L)
lk.add_log("Adding widgets module...\n");
static luaL_Reg const gui_callbacks[] = {
//TODO: the naming is a bit arbitrary: widgets with different
// types of elements use add_node, eidgets with only
// types of elements use add_node, widgets with only
// one type of element use add_element
{ "add_item_of_type", &intf_add_item_of_type },
{ "add_item", &intf_add_dialog_item },
{ "focus", &intf_set_dialog_focus },
{ "set_canvas", &intf_set_dialog_canvas },
{ "set_callback", &intf_set_dialog_callback },
{ "remove_items_at", &intf_remove_dialog_item },
{ "remove_items_at", &intf_remove_dialog_item },
{ "clear_items", &intf_clear_items },
{ "find", &intf_find_widget },
{ "close", &intf_dialog_close },
{ nullptr, nullptr },

4
utils/emmylua/gui.lua
View file

@ -224,6 +224,10 @@ function gui.widget.add_item_of_type(widget, category, position, count) end
---@param position? integer
function gui.widget.remove_items_at(widget, position) end
---Remove all items from a container widget
---@param widget widget
function gui.widget.clear_items(widget) end
---Find a widget based on a path
---@param widget widget
---@vararg integer|string