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lua: Add Dialog{ title, onclose } constructor

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This commit is contained in:
David Capello 2019-12-13 10:21:26 -03:00
parent 484de6bd3a
commit 2b1903ee02
1 changed files with 41 additions and 9 deletions
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50
src/app/script/dialog_class.cpp
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@ -70,6 +70,9 @@ struct Dialog {
: window(ui::Window::WithTitleBar, "Script"),
grid(2, false) {
window.addChild(&grid);
}
void unrefShowOnClose() {
window.Close.connect([this](ui::CloseEvent&){ unrefShow(); });
}
@ -102,15 +105,16 @@ struct Dialog {
template<typename Signal,
typename Callback>
void Dialog_connect_signal(lua_State* L,
int dlgIdx,
Signal& signal,
Callback callback)
{
auto dlg = get_obj<Dialog>(L, 1);
auto dlg = get_obj<Dialog>(L, dlgIdx);
// Here we get the uservalue of the dlg (the table with
// functions/callbacks) and store a copy of the given function in
// the stack (index=-1) in that table.
lua_getuservalue(L, 1);
lua_getuservalue(L, dlgIdx);
lua_len(L, -1);
const int n = 1+lua_tointegerx(L, -1, nullptr);
lua_pop(L, 1); // Pop the length of the table
@ -161,8 +165,6 @@ void Dialog_connect_signal(lua_State* L,
int Dialog_new(lua_State* L)
{
auto dlg = push_new<Dialog>(L);
if (lua_isstring(L, 1))
dlg->window.setText(lua_tostring(L, 1));
// The uservalue of the dialog userdata will contain a table that
// stores all the callbacks to handle events. As these callbacks can
@ -173,6 +175,31 @@ int Dialog_new(lua_State* L)
lua_newtable(L);
lua_setuservalue(L, -2);
if (lua_isstring(L, 1)) {
dlg->window.setText(lua_tostring(L, 1));
}
else if (lua_istable(L, 1)) {
int type = lua_getfield(L, 1, "title");
if (type != LUA_TNIL)
dlg->window.setText(lua_tostring(L, -1));
lua_pop(L, 1);
type = lua_getfield(L, 1, "onclose");
if (type == LUA_TFUNCTION) {
Dialog_connect_signal(
L, -2, dlg->window.Close,
[](){
// Do nothing
});
}
lua_pop(L, 1);
}
// The showRef must be the last reference to the dialog to be
// unreferenced after the window is closed (that's why this is the
// last connection to ui::Window::Close)
dlg->unrefShowOnClose();
TRACE_DIALOG("Dialog_new", dlg);
return 1;
}
@ -361,10 +388,11 @@ int Dialog_button_base(lua_State* L, T** outputWidget = nullptr)
type = lua_getfield(L, 2, "onclick");
if (type == LUA_TFUNCTION) {
auto dlg = get_obj<Dialog>(L, 1);
Dialog_connect_signal(L, widget->Click,
[dlg, widget]{
dlg->lastButton = widget;
});
Dialog_connect_signal(
L, 1, widget->Click,
[dlg, widget](){
dlg->lastButton = widget;
});
closeWindowByDefault = false;
}
lua_pop(L, 1);
@ -574,7 +602,11 @@ int Dialog_file(lua_State* L)
if (lua_istable(L, 2)) {
int type = lua_getfield(L, 2, "onchange");
if (type == LUA_TFUNCTION) {
Dialog_connect_signal(L, widget->Change, []{ });
Dialog_connect_signal(
L, 1, widget->Change,
[](){
// Do nothing
});
}
lua_pop(L, 1);
}