275 lines
6.9 KiB
C++
275 lines
6.9 KiB
C++
#include "Dialog.h"
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HWND GetTopMostWindowInCurrentProcess()
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{
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struct EnumParams {
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DWORD processID;
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HWND topMostWindow;
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};
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DWORD currentProcessID = GetCurrentProcessId();
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EnumParams params = { currentProcessID, NULL };
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EnumWindows(
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[](HWND hwnd, LPARAM lParam) {
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EnumParams* params = (EnumParams*)lParam;
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DWORD windowProcessID;
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GetWindowThreadProcessId(hwnd, &windowProcessID);
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if (windowProcessID == params->processID) {
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HWND hwndTop = hwnd;
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while (hwndTop != NULL) {
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hwndTop = GetWindow(hwndTop, GW_HWNDPREV);
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if (hwndTop == NULL) {
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params->topMostWindow = hwnd;
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break;
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}
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}
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}
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return TRUE;
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}, (LPARAM)¶ms);
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return params.topMostWindow;
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}
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OpenFileDialog::OpenFileDialog()
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: FilterIndex(0),
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Multiselect(false),
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SupportMultiDottedExtensions(false),
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DereferenceLinks(true),
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ValidateNames(true),
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Filter("All Files\0*.*\0"),
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Title("Open File")
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{
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}
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DialogResult OpenFileDialog::ShowDialog(HWND owner)
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{
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Filter.append(2, '\0');
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OPENFILENAMEA ofn;
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CHAR szFile[1024] = { 0 };
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ZeroMemory(&ofn, sizeof(ofn));
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ofn.lStructSize = sizeof(ofn);
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ofn.hwndOwner = owner;
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ofn.hInstance = GetModuleHandle(NULL);
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ofn.lpstrFile = szFile;
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ofn.nMaxFile = sizeof(szFile);
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ofn.lpstrFilter = Filter.c_str();
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ofn.nFilterIndex = FilterIndex;
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ofn.lpstrTitle = Title.c_str();
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ofn.lpstrInitialDir = InitialDirectory.empty() ? NULL : InitialDirectory.c_str();
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ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
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if (Multiselect)
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{
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ofn.Flags |= OFN_ALLOWMULTISELECT | OFN_EXPLORER;
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}
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if (!DereferenceLinks)
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{
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ofn.Flags |= OFN_NODEREFERENCELINKS;
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}
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if (!ValidateNames)
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{
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ofn.Flags |= OFN_NOVALIDATE;
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}
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if (GetOpenFileNameA(&ofn) == TRUE)
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{
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SelectedPaths.clear();
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if (Multiselect)
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{
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CHAR* p = ofn.lpstrFile;
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std::string directory = p;
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p += directory.size() + 1;
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while (*p)
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{
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std::string filename = p;
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std::string fullpath = directory + "\\" + filename;
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SelectedPaths.push_back(fullpath);
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p += filename.size() + 1;
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}
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if (SelectedPaths.empty())
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{
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SelectedPaths.push_back(directory);
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}
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}
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else
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{
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SelectedPaths.push_back(ofn.lpstrFile);
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}
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return DialogResult::OK;
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}
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else
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{
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DWORD err = CommDlgExtendedError();
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if (err != 0)
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{
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return DialogResult::Abort;
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}
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else
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{
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return DialogResult::Cancel;
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}
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}
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}
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SaveFileDialog::SaveFileDialog()
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: FilterIndex(0),
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SupportMultiDottedExtensions(false),
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DereferenceLinks(true),
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ValidateNames(true),
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Filter("All Files\0*.*\0"),
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Title("Save File")
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{
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}
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DialogResult SaveFileDialog::ShowDialog(HWND owner)
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{
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Filter.append(2, '\0');
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OPENFILENAMEA ofn;
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CHAR szFile[1024] = { 0 };
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ZeroMemory(&ofn, sizeof(ofn));
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ofn.lStructSize = sizeof(ofn);
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ofn.hwndOwner = owner;
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ofn.hInstance = GetModuleHandle(NULL);
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ofn.lpstrFile = szFile;
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ofn.nMaxFile = sizeof(szFile);
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ofn.lpstrFilter = Filter.c_str();
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ofn.nFilterIndex = FilterIndex;
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ofn.lpstrTitle = Title.c_str();
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ofn.lpstrInitialDir = InitialDirectory.empty() ? NULL : InitialDirectory.c_str();
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ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
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if (SupportMultiDottedExtensions)
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{
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ofn.Flags |= OFN_EXPLORER | OFN_ENABLESIZING | OFN_ALLOWMULTISELECT | OFN_ENABLEHOOK;
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}
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if (GetSaveFileNameA(&ofn) == TRUE)
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{
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SelectedPath = ofn.lpstrFile;
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return DialogResult::OK;
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}
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else
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{
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return DialogResult::Cancel;
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}
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}
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FolderBrowserDialog::FolderBrowserDialog()
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: ShowNewFolderButton(true),
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Multiselect(false)
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{
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}
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DialogResult FolderBrowserDialog::ShowDialog(HWND owner)
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{
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BROWSEINFOA bi = { 0 };
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bi.hwndOwner = owner;
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bi.pidlRoot = NULL;
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bi.pszDisplayName = NULL;
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bi.lpszTitle = Description.c_str();
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bi.ulFlags = BIF_RETURNONLYFSDIRS;
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if (ShowNewFolderButton)
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{
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bi.ulFlags |= BIF_NEWDIALOGSTYLE;
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}
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LPITEMIDLIST idl = SHBrowseForFolderA(&bi);
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if (idl == NULL)
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{
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return DialogResult::Cancel;
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}
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else
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{
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char path[MAX_PATH] = { 0 };
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SHGetPathFromIDListA(idl, path);
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SelectedPath = path;
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return DialogResult::OK;
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}
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}
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ColorDialog::ColorDialog()
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: Color(RGB(0, 0, 0))
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{
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}
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DialogResult ColorDialog::ShowDialog(HWND owner)
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{
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CHOOSECOLORA cc = { 0 };
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static COLORREF acrCustClr[16];
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cc.lStructSize = sizeof(cc);
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cc.hwndOwner = owner;
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cc.lpCustColors = (LPDWORD)acrCustClr;
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cc.rgbResult = Color;
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cc.Flags = CC_FULLOPEN | CC_RGBINIT;
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if (ChooseColorA(&cc))
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{
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Color = cc.rgbResult;
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return DialogResult::OK;
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}
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else
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{
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return DialogResult::Cancel;
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}
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}
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FontDialog::FontDialog()
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: FontSize(9),
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Color(RGB(0, 0, 0)),
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Bold(false),
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Italic(false),
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Underline(false),
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Strikeout(false)
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{
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}
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/**
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* @brief 显示字体选择对话框并获取用户选择的字体信息。
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*
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* @param owner 窗口句柄，表示对话框的拥有者。
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* @return DialogResult 返回对话框的结果，成功时返回 DialogResult::OK，失败时返回 DialogResult::Cancel。
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*
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* @details 此函数使用 Windows API 的 ChooseFontA 函数显示字体选择对话框。
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* 用户选择的字体信息将被存储在 FontName、FontSize、Color 等成员变量中。
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* 函数还会根据用户选择的字体高度和屏幕 DPI 计算字体大小。
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*/
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DialogResult FontDialog::ShowDialog(HWND owner)
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{
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CHOOSEFONTA cf = {0};
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static LOGFONTA lf = { 0 };
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cf.lStructSize = sizeof(cf);
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cf.hwndOwner = owner;
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cf.lpLogFont = &lf;
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cf.rgbColors = Color;
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cf.Flags = CF_SCREENFONTS | CF_EFFECTS;
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if (ChooseFontA(&cf))
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{
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int fontSizeInPixels = abs(lf.lfHeight);
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int dpi = GetDeviceCaps(GetDC(cf.hwndOwner), LOGPIXELSY);
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int fontSize = MulDiv(fontSizeInPixels, 72, dpi);
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FontName = lf.lfFaceName;
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FontSize = fontSize;
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Color = cf.rgbColors;
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Bold = lf.lfWeight == FW_BOLD;
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Italic = lf.lfItalic;
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Underline = lf.lfUnderline;
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Strikeout = lf.lfStrikeOut;
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return DialogResult::OK;
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}
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else
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{
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return DialogResult::Cancel;
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}
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}
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DialogResult MessageBox::Show(const std::string& text, const std::string& caption, UINT type)
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{
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return (DialogResult)MessageBoxA(GetTopMostWindowInCurrentProcess(), text.c_str(), caption.c_str(), type);
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}
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DialogResult MessageBox::Show(const std::wstring& text, const std::wstring& caption, UINT type)
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{
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return (DialogResult)MessageBoxW(GetTopMostWindowInCurrentProcess(), text.c_str(), caption.c_str(), type);
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}
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