* common shell dialogs
*
* Copyright 2000 Juergen Schmied
+ * Copyright 2018 Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
{
HMODULE hLibrary;
HWND hDlgCtrl;
- WCHAR szName[MAX_PATH];
+ WCHAR szPath[MAX_PATH];
+ WCHAR szExpandedPath[MAX_PATH];
INT Index;
+ INT nIcons;
+ HICON *phIcons;
} PICK_ICON_CONTEXT, *PPICK_ICON_CONTEXT;
BOOL CALLBACK EnumPickIconResourceProc(HMODULE hModule,
LPCWSTR lpszType,
LPWSTR lpszName,
- LONG_PTR lParam
-)
+ LONG_PTR lParam)
{
- WCHAR szName[100];
- int index;
- HICON hIcon;
- HWND hDlgCtrl = (HWND)lParam;
+ PPICK_ICON_CONTEXT pIconContext = PPICK_ICON_CONTEXT(lParam);
+ HWND hDlgCtrl = pIconContext->hDlgCtrl;
if (IS_INTRESOURCE(lpszName))
- swprintf(szName, L"%u", (DWORD)lpszName);
+ lParam = LOWORD(lpszName);
else
- StringCbCopyW(szName, sizeof(szName), lpszName);
-
- hIcon = LoadIconW(hModule, lpszName);
- if (hIcon == NULL)
- return TRUE;
+ lParam = -1;
- index = SendMessageW(hDlgCtrl, LB_ADDSTRING, 0, (LPARAM)szName);
- if (index != LB_ERR)
- SendMessageW(hDlgCtrl, LB_SETITEMDATA, index, (LPARAM)hIcon);
+ SendMessageW(hDlgCtrl, LB_ADDSTRING, 0, lParam);
return TRUE;
}
static void
-DestroyIconList(HWND hDlgCtrl)
+DestroyIconList(HWND hDlgCtrl, PPICK_ICON_CONTEXT pIconContext)
{
int count;
int index;
for(index = 0; index < count; index++)
{
- HICON hIcon = (HICON)SendMessageW(hDlgCtrl, LB_GETITEMDATA, index, 0);
- DestroyIcon(hIcon);
+ DestroyIcon(pIconContext->phIcons[index]);
+ pIconContext->phIcons[index] = NULL;
}
}
+static BOOL
+DoLoadIcons(HWND hwndDlg, PICK_ICON_CONTEXT *pIconContext, LPCWSTR pszFile)
+{
+ // destroy previous
+ DestroyIconList(pIconContext->hDlgCtrl, pIconContext);
+ SendMessageW(pIconContext->hDlgCtrl, LB_RESETCONTENT, 0, 0);
+ delete[] pIconContext->phIcons;
+
+ // store paths
+ if (pIconContext->szPath != pszFile)
+ StringCchCopyW(pIconContext->szPath, _countof(pIconContext->szPath), pszFile);
+ ExpandEnvironmentStringsW(pszFile, pIconContext->szExpandedPath, _countof(pIconContext->szExpandedPath));
+
+ // load DLL if possible
+ HMODULE hLibrary = LoadLibraryExW(pIconContext->szExpandedPath, NULL, LOAD_LIBRARY_AS_DATAFILE);
+ if (pIconContext->hLibrary)
+ FreeLibrary(pIconContext->hLibrary);
+ pIconContext->hLibrary = hLibrary;
+
+ if (pIconContext->hLibrary)
+ {
+ // load icons from DLL
+ pIconContext->nIcons = ExtractIconExW(pIconContext->szExpandedPath, -1, NULL, NULL, 0);
+ pIconContext->phIcons = new HICON[pIconContext->nIcons];
+
+ if (ExtractIconExW(pIconContext->szExpandedPath, 0, pIconContext->phIcons, NULL, pIconContext->nIcons))
+ {
+ EnumResourceNamesW(pIconContext->hLibrary, RT_GROUP_ICON, EnumPickIconResourceProc, (LPARAM)pIconContext);
+ }
+ else
+ {
+ pIconContext->nIcons = 0;
+ }
+ }
+ else
+ {
+ // *.ico
+ pIconContext->nIcons = 1;
+ pIconContext->phIcons = new HICON[1];
+
+ if (ExtractIconExW(pIconContext->szExpandedPath, 0, pIconContext->phIcons, NULL, pIconContext->nIcons))
+ {
+ SendMessageW(pIconContext->hDlgCtrl, LB_ADDSTRING, 0, 0);
+ }
+ else
+ {
+ pIconContext->nIcons = 0;
+ }
+ }
+
+ // set text
+ SetDlgItemTextW(hwndDlg, IDC_EDIT_PATH, pIconContext->szPath);
+
+ if (pIconContext->nIcons == 0)
+ {
+ delete[] pIconContext->phIcons;
+ pIconContext->phIcons = NULL;
+ }
+
+ return pIconContext->nIcons > 0;
+}
+
+static const LPCWSTR s_pszDefaultPath = L"%SystemRoot%\\system32\\shell32.dll";
+
+static void NoIconsInFile(HWND hwndDlg, PICK_ICON_CONTEXT *pIconContext)
+{
+ // show message
+ CStringW strText, strTitle(MAKEINTRESOURCEW(IDS_PICK_ICON_TITLE));
+ strText.Format(IDS_NO_ICONS, pIconContext->szPath);
+ MessageBoxW(hwndDlg, strText, strTitle, MB_ICONWARNING);
+
+ // load default icons
+ DoLoadIcons(hwndDlg, pIconContext, s_pszDefaultPath);
+}
+
+// icon size
+#define CX_ICON GetSystemMetrics(SM_CXICON)
+#define CY_ICON GetSystemMetrics(SM_CYICON)
+
+// item size
+#define CX_ITEM (CX_ICON + 4)
+#define CY_ITEM (CY_ICON + 12)
+
INT_PTR CALLBACK PickIconProc(HWND hwndDlg,
UINT uMsg,
WPARAM wParam,
LPDRAWITEMSTRUCT lpdis;
HICON hIcon;
INT index, count;
- WCHAR szText[MAX_PATH], szTitle[100], szFilter[100];
- OPENFILENAMEW ofn = {0};
+ WCHAR szText[MAX_PATH], szFilter[100];
+ CStringW strTitle;
+ OPENFILENAMEW ofn;
PPICK_ICON_CONTEXT pIconContext = (PPICK_ICON_CONTEXT)GetWindowLongPtr(hwndDlg, DWLP_USER);
pIconContext = (PPICK_ICON_CONTEXT)lParam;
SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)pIconContext);
pIconContext->hDlgCtrl = GetDlgItem(hwndDlg, IDC_PICKICON_LIST);
- SendMessageW(pIconContext->hDlgCtrl, LB_SETCOLUMNWIDTH, 32, 0);
- EnumResourceNamesW(pIconContext->hLibrary, RT_ICON, EnumPickIconResourceProc, (LPARAM)pIconContext->hDlgCtrl);
- if (ExpandEnvironmentStringsW(pIconContext->szName, szText, MAX_PATH))
- SetDlgItemTextW(hwndDlg, IDC_EDIT_PATH, szText);
- else
- SetDlgItemTextW(hwndDlg, IDC_EDIT_PATH, pIconContext->szName);
+ SendMessageW(pIconContext->hDlgCtrl, LB_SETCOLUMNWIDTH, CX_ITEM, 0);
+
+ // load icons
+ if (!DoLoadIcons(hwndDlg, pIconContext, pIconContext->szPath))
+ {
+ NoIconsInFile(hwndDlg, pIconContext);
+ }
+
+ // set selection
count = SendMessageW(pIconContext->hDlgCtrl, LB_GETCOUNT, 0, 0);
if (count != LB_ERR)
{
- if (count > pIconContext->Index)
- SendMessageW(pIconContext->hDlgCtrl, LB_SETCURSEL, pIconContext->Index, 0);
- else
- SendMessageW(pIconContext->hDlgCtrl, LB_SETCURSEL, 0, 0);
+ if (pIconContext->Index < 0)
+ {
+ // A negative value will be interpreted as a negated resource ID.
+ LPARAM lParam = -pIconContext->Index;
+ pIconContext->Index = (INT)SendMessageW(pIconContext->hDlgCtrl, LB_FINDSTRINGEXACT, -1, lParam);
+ }
+
+ if (pIconContext->Index < 0 || count <= pIconContext->Index)
+ pIconContext->Index = 0;
+
+ SendMessageW(pIconContext->hDlgCtrl, LB_SETCURSEL, pIconContext->Index, 0);
+ SendMessageW(pIconContext->hDlgCtrl, LB_SETTOPINDEX, pIconContext->Index, 0);
}
return TRUE;
+
case WM_COMMAND:
switch(LOWORD(wParam))
{
case IDOK:
index = SendMessageW(pIconContext->hDlgCtrl, LB_GETCURSEL, 0, 0);
pIconContext->Index = index;
- GetDlgItemTextW(hwndDlg, IDC_EDIT_PATH, pIconContext->szName, MAX_PATH);
- DestroyIconList(pIconContext->hDlgCtrl);
+ GetDlgItemTextW(hwndDlg, IDC_EDIT_PATH, pIconContext->szPath, MAX_PATH);
+ ExpandEnvironmentStringsW(pIconContext->szPath, pIconContext->szExpandedPath, _countof(pIconContext->szExpandedPath));
+ DestroyIconList(pIconContext->hDlgCtrl, pIconContext);
+ delete[] pIconContext->phIcons;
EndDialog(hwndDlg, 1);
break;
+
case IDCANCEL:
- DestroyIconList(pIconContext->hDlgCtrl);
+ DestroyIconList(pIconContext->hDlgCtrl, pIconContext);
+ delete[] pIconContext->phIcons;
EndDialog(hwndDlg, 0);
break;
+
case IDC_PICKICON_LIST:
- if (HIWORD(wParam) == LBN_SELCHANGE)
- InvalidateRect((HWND)lParam, NULL, TRUE); // FIXME USE UPDATE RECT
+ switch (HIWORD(wParam))
+ {
+ case LBN_SELCHANGE:
+ InvalidateRect((HWND)lParam, NULL, TRUE);
+ break;
+
+ case LBN_DBLCLK:
+ SendMessage(hwndDlg, WM_COMMAND, MAKEWPARAM(IDOK, 0), 0);
+ break;
+ }
break;
+
case IDC_BUTTON_PATH:
+ // choose DLL path
szText[0] = 0;
- szTitle[0] = 0;
szFilter[0] = 0;
+ ZeroMemory(&ofn, sizeof(ofn));
ofn.lStructSize = sizeof(ofn);
ofn.hwndOwner = hwndDlg;
ofn.lpstrFile = szText;
ofn.nMaxFile = MAX_PATH;
- LoadStringW(shell32_hInstance, IDS_PICK_ICON_TITLE, szTitle, sizeof(szTitle) / sizeof(WCHAR));
- ofn.lpstrTitle = szTitle;
- LoadStringW(shell32_hInstance, IDS_PICK_ICON_FILTER, szFilter, sizeof(szFilter) / sizeof(WCHAR));
+ strTitle.LoadString(IDS_PICK_ICON_TITLE);
+ ofn.lpstrTitle = strTitle;
+ LoadStringW(shell32_hInstance, IDS_PICK_ICON_FILTER, szFilter, _countof(szFilter));
ofn.lpstrFilter = szFilter;
- if (GetOpenFileNameW(&ofn))
- {
- HMODULE hLibrary;
-
- if (!wcsicmp(pIconContext->szName, szText))
- break;
-
- DestroyIconList(pIconContext->hDlgCtrl);
+ if (!GetOpenFileNameW(&ofn))
+ break;
- hLibrary = LoadLibraryExW(szText, NULL, LOAD_LIBRARY_AS_DATAFILE | LOAD_LIBRARY_AS_IMAGE_RESOURCE);
- if (hLibrary == NULL)
- break;
- FreeLibrary(pIconContext->hLibrary);
- pIconContext->hLibrary = hLibrary;
- wcscpy(pIconContext->szName, szText);
- EnumResourceNamesW(pIconContext->hLibrary, RT_ICON, EnumPickIconResourceProc, (LPARAM)pIconContext->hDlgCtrl);
- if (ExpandEnvironmentStringsW(pIconContext->szName, szText, MAX_PATH))
- SetDlgItemTextW(hwndDlg, IDC_EDIT_PATH, szText);
- else
- SetDlgItemTextW(hwndDlg, IDC_EDIT_PATH, pIconContext->szName);
-
- SendMessageW(pIconContext->hDlgCtrl, LB_SETCURSEL, 0, 0);
+ // load icons
+ if (!DoLoadIcons(hwndDlg, pIconContext, szText))
+ {
+ NoIconsInFile(hwndDlg, pIconContext);
}
+
+ // set selection
+ SendMessageW(pIconContext->hDlgCtrl, LB_SETCURSEL, 0, 0);
break;
}
break;
+
case WM_MEASUREITEM:
lpmis = (LPMEASUREITEMSTRUCT) lParam;
- lpmis->itemHeight = 32;
- lpmis->itemWidth = 64;
+ lpmis->itemHeight = CY_ITEM;
return TRUE;
+
case WM_DRAWITEM:
lpdis = (LPDRAWITEMSTRUCT) lParam;
if (lpdis->itemID == (UINT)-1)
{
case ODA_SELECT:
case ODA_DRAWENTIRE:
+ {
index = SendMessageW(pIconContext->hDlgCtrl, LB_GETCURSEL, 0, 0);
- hIcon = (HICON)SendMessageW(lpdis->hwndItem, LB_GETITEMDATA, lpdis->itemID, 0);
+ hIcon = pIconContext->phIcons[lpdis->itemID];
if (lpdis->itemID == (UINT)index)
FillRect(lpdis->hDC, &lpdis->rcItem, (HBRUSH)(COLOR_HIGHLIGHT + 1));
else
FillRect(lpdis->hDC, &lpdis->rcItem, (HBRUSH)(COLOR_WINDOW + 1));
- DrawIconEx(lpdis->hDC, lpdis->rcItem.left,lpdis->rcItem.top, hIcon,
- 0, 0, 0, NULL, DI_NORMAL);
+ // centering
+ INT x = lpdis->rcItem.left + (CX_ITEM - CX_ICON) / 2;
+ INT y = lpdis->rcItem.top + (CY_ITEM - CY_ICON) / 2;
+
+ DrawIconEx(lpdis->hDC, x, y, hIcon, 0, 0, 0, NULL, DI_NORMAL);
break;
+ }
}
- break;
+ return TRUE;
}
return FALSE;
UINT nMaxFile,
INT* lpdwIconIndex)
{
- HMODULE hLibrary;
int res;
- PICK_ICON_CONTEXT IconContext;
- hLibrary = LoadLibraryExW(lpstrFile, NULL, LOAD_LIBRARY_AS_DATAFILE | LOAD_LIBRARY_AS_IMAGE_RESOURCE);
- IconContext.hLibrary = hLibrary;
+ // initialize
+ PICK_ICON_CONTEXT IconContext = { NULL };
IconContext.Index = *lpdwIconIndex;
- StringCchCopyNW(IconContext.szName, _countof(IconContext.szName), lpstrFile, nMaxFile);
+ StringCchCopyW(IconContext.szPath, _countof(IconContext.szPath), lpstrFile);
+ ExpandEnvironmentStringsW(lpstrFile, IconContext.szExpandedPath, _countof(IconContext.szExpandedPath));
+
+ if (!IconContext.szExpandedPath[0] ||
+ GetFileAttributesW(IconContext.szExpandedPath) == INVALID_FILE_ATTRIBUTES)
+ {
+ if (IconContext.szExpandedPath[0])
+ {
+ // no such file
+ CStringW strText, strTitle(MAKEINTRESOURCEW(IDS_PICK_ICON_TITLE));
+ strText.Format(IDS_FILE_NOT_FOUND, lpstrFile);
+ MessageBoxW(hWndOwner, strText, strTitle, MB_ICONWARNING);
+ }
+
+ // set default value
+ StringCchCopyW(IconContext.szPath, _countof(IconContext.szPath), s_pszDefaultPath);
+ ExpandEnvironmentStringsW(s_pszDefaultPath, IconContext.szPath, _countof(IconContext.szPath));
+ }
+ // show dialog
res = DialogBoxParamW(shell32_hInstance, MAKEINTRESOURCEW(IDD_PICK_ICON), hWndOwner, PickIconProc, (LPARAM)&IconContext);
if (res)
{
- StringCchCopyNW(lpstrFile, nMaxFile, IconContext.szName, _countof(IconContext.szName));
+ // store
+ StringCchCopyW(lpstrFile, nMaxFile, IconContext.szExpandedPath);
*lpdwIconIndex = IconContext.Index;
}
- FreeLibrary(hLibrary);
+ if (IconContext.hLibrary)
+ FreeLibrary(IconContext.hLibrary);
return res;
}
projects / reactos.git / blobdiff