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