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namespace phoenix {
void pComboButton::append(string text) {
SendMessage(hwnd, CB_ADDSTRING, 0, (LPARAM)(wchar_t*)utf16_t(text));
if(SendMessage(hwnd, CB_GETCOUNT, 0, 0) == 1) setSelection(0);
}
Size pComboButton::minimumSize() {
unsigned maximumWidth = 0;
for(auto& text : comboButton.state.text) maximumWidth = max(maximumWidth, pFont::size(hfont, text).width);
return {maximumWidth + 24, pFont::size(hfont, " ").height + 10};
}
void pComboButton::remove(unsigned selection) {
locked = true;
SendMessage(hwnd, CB_DELETESTRING, selection, 0);
locked = false;
if(selection == comboButton.state.selection) comboButton.setSelection(0);
}
void pComboButton::reset() {
SendMessage(hwnd, CB_RESETCONTENT, 0, 0);
}
void pComboButton::setGeometry(Geometry geometry) {
//height = minimum drop-down list height; use CB_SETITEMHEIGHT to control actual widget height
pWidget::setGeometry({geometry.x, geometry.y, geometry.width, 1});
RECT rc;
GetWindowRect(hwnd, &rc);
unsigned adjustedHeight = geometry.height - ((rc.bottom - rc.top) - SendMessage(hwnd, CB_GETITEMHEIGHT, (WPARAM)-1, 0));
SendMessage(hwnd, CB_SETITEMHEIGHT, (WPARAM)-1, adjustedHeight);
}
void pComboButton::setSelection(unsigned selection) {
SendMessage(hwnd, CB_SETCURSEL, selection, 0);
}
void pComboButton::setText(unsigned selection, string text) {
locked = true;
SendMessage(hwnd, CB_DELETESTRING, selection, 0);
SendMessage(hwnd, CB_INSERTSTRING, selection, (LPARAM)(wchar_t*)utf16_t(text));
setSelection(comboButton.state.selection);
locked = false;
}
void pComboButton::constructor() {
hwnd = CreateWindow(
L"COMBOBOX", L"",
WS_CHILD | WS_TABSTOP | CBS_DROPDOWNLIST | CBS_HASSTRINGS,
0, 0, 0, 0,
parentHwnd, (HMENU)id, GetModuleHandle(0), 0
);
SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)&comboButton);
setDefaultFont();
for(auto& text : comboButton.state.text) append(text);
setSelection(comboButton.state.selection);
synchronize();
}
void pComboButton::destructor() {
DestroyWindow(hwnd);
}
void pComboButton::orphan() {
destructor();
constructor();
}
void pComboButton::onChange() {
unsigned selection = SendMessage(hwnd, CB_GETCURSEL, 0, 0);
if(selection == comboButton.state.selection) return;
comboButton.state.selection = selection;
if(comboButton.onChange) comboButton.onChange();
}
}
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