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#if defined(Hiro_Label)
namespace hiro {
auto pLabel::construct() -> void {
hwnd = CreateWindow(L"hiroLabel", L"",
WS_CHILD,
0, 0, 0, 0, _parentHandle(), nullptr, GetModuleHandle(0), 0);
SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)&reference);
pWidget::_setState();
setAlignment(state().alignment);
setText(state().text);
}
auto pLabel::destruct() -> void {
DestroyWindow(hwnd);
}
auto pLabel::minimumSize() const -> Size {
auto size = pFont::size(self().font(true), state().text ? state().text : " ");
return {size.width(), size.height()};
}
auto pLabel::setAlignment(Alignment alignment) -> void {
InvalidateRect(hwnd, 0, false);
}
auto pLabel::setText(const string& text) -> void {
SetWindowText(hwnd, utf16_t(text));
InvalidateRect(hwnd, 0, false);
}
static auto CALLBACK Label_windowProc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam) -> LRESULT {
auto label = (mLabel*)GetWindowLongPtr(hwnd, GWLP_USERDATA);
if(!label) return DefWindowProc(hwnd, msg, wparam, lparam);
auto window = label->parentWindow(true);
if(!window) return DefWindowProc(hwnd, msg, wparam, lparam);
switch(msg) {
case WM_GETDLGCODE: return DLGC_STATIC | DLGC_WANTCHARS;
case WM_ERASEBKGND: return true;
case WM_PAINT: {
PAINTSTRUCT ps;
BeginPaint(hwnd, &ps);
RECT rc;
GetClientRect(hwnd, &rc);
//todo: use DrawThemeParentBackground if Label is inside TabFrame
if(auto brush = window->self()->hbrush) {
FillRect(ps.hdc, &rc, brush);
} else {
DrawThemeParentBackground(hwnd, ps.hdc, &rc);
}
SetBkMode(ps.hdc, TRANSPARENT);
SelectObject(ps.hdc, label->self()->hfont);
uint length = GetWindowTextLength(hwnd);
wchar_t text[length + 1];
GetWindowText(hwnd, text, length + 1);
text[length] = 0;
DrawText(ps.hdc, text, -1, &rc, DT_CALCRECT | DT_END_ELLIPSIS);
uint height = rc.bottom;
GetClientRect(hwnd, &rc);
rc.top = (rc.bottom - height) / 2;
rc.bottom = rc.top + height;
uint horizontalAlignment = DT_CENTER;
if(label->alignment().horizontal() < 0.333) horizontalAlignment = DT_LEFT;
if(label->alignment().horizontal() > 0.666) horizontalAlignment = DT_RIGHT;
uint verticalAlignment = DT_VCENTER;
if(label->alignment().vertical() < 0.333) verticalAlignment = DT_TOP;
if(label->alignment().vertical() > 0.666) verticalAlignment = DT_BOTTOM;
DrawText(ps.hdc, text, -1, &rc, DT_END_ELLIPSIS | horizontalAlignment | verticalAlignment);
EndPaint(hwnd, &ps);
return false;
}
}
return DefWindowProc(hwnd, msg, wparam, lparam);
}
}
#endif
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