bsnes/hiro/windows/widget/text-edit.cpp

76 lines
2.1 KiB
C++

#if defined(Hiro_TextEdit)
namespace hiro {
auto pTextEdit::construct() -> void {
hwnd = CreateWindowEx(
WS_EX_CLIENTEDGE, L"EDIT", L"",
WS_CHILD | WS_TABSTOP | WS_VSCROLL | ES_AUTOVSCROLL | ES_MULTILINE | ES_WANTRETURN | (!state().wordWrap ? WS_HSCROLL | ES_AUTOHSCROLL : 0),
0, 0, 0, 0, _parentHandle(), nullptr, GetModuleHandle(0), 0
);
SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)&reference);
pWidget::_setState();
setBackgroundColor(state().backgroundColor);
setEditable(state().editable);
setText(state().text);
setCursor(state().cursor);
}
auto pTextEdit::destruct() -> void {
state().text = text();
if(backgroundBrush) { DeleteObject(backgroundBrush); backgroundBrush = 0; }
DestroyWindow(hwnd);
}
auto pTextEdit::setBackgroundColor(Color color) -> void {
if(backgroundBrush) { DeleteObject(backgroundBrush); backgroundBrush = 0; }
backgroundBrush = CreateSolidBrush(color ? CreateRGB(color) : GetSysColor(COLOR_WINDOW));
}
auto pTextEdit::setCursor(Cursor cursor) -> void {
signed end = GetWindowTextLength(hwnd);
signed offset = max(0, min(end, cursor.offset()));
signed length = max(0, min(end, cursor.offset() + cursor.length()));
Edit_SetSel(hwnd, offset, length);
Edit_ScrollCaret(hwnd);
}
auto pTextEdit::setEditable(bool editable) -> void {
SendMessage(hwnd, EM_SETREADONLY, editable == false, (LPARAM)0);
}
auto pTextEdit::setForegroundColor(Color color) -> void {
}
auto pTextEdit::setText(string text) -> void {
lock();
text.replace("\r", "");
text.replace("\n", "\r\n");
SetWindowText(hwnd, utf16_t(text));
unlock();
}
auto pTextEdit::setWordWrap(bool wordWrap) -> void {
//ES_AUTOHSCROLL cannot be changed after widget creation.
//As a result, we must destroy and re-create widget to change this setting.
reconstruct();
}
auto pTextEdit::text() const -> string {
unsigned length = GetWindowTextLength(hwnd);
wchar_t buffer[length + 1];
GetWindowText(hwnd, buffer, length + 1);
buffer[length] = 0;
string text = (const char*)utf8_t(buffer);
text.replace("\r", "");
return text;
}
auto pTextEdit::onChange() -> void {
if(!locked()) self().doChange();
}
}
#endif