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shell32: Define our own structure for control panel info, with more space for strings.

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This commit is contained in:
Alexandre Julliard 2012-02-16 12:37:27 +01:00
parent 76e28194f3
commit 2b7d8311da
3 changed files with 48 additions and 50 deletions
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81
dlls/shell32/control.c
View file

@ -51,8 +51,8 @@ CPlApplet* Control_UnloadApplet(CPlApplet* applet)
CPlApplet* next;
for (i = 0; i < applet->count; i++) {
if (!applet->info[i].dwSize) continue;
applet->proc(applet->hWnd, CPL_STOP, i, applet->info[i].lData);
if (!applet->info[i].valid) continue;
applet->proc(applet->hWnd, CPL_STOP, i, applet->info[i].data);
}
if (applet->proc) applet->proc(applet->hWnd, CPL_EXIT, 0L, 0L);
FreeLibrary(applet->hModule);
@ -104,75 +104,66 @@ CPlApplet* Control_LoadApplet(HWND hWnd, LPCWSTR cmd, CPanel* panel)
for (i = 0; i < applet->count; i++) {
ZeroMemory(&newinfo, sizeof(newinfo));
newinfo.dwSize = sizeof(NEWCPLINFOA);
applet->info[i].dwSize = sizeof(NEWCPLINFOW);
applet->info[i].dwFlags = 0;
applet->info[i].dwHelpContext = 0;
applet->info[i].szHelpFile[0] = '\0';
applet->info[i].valid = TRUE;
applet->info[i].helpfile[0] = 0;
/* proc is supposed to return a null value upon success for
* CPL_INQUIRE and CPL_NEWINQUIRE
* However, real drivers don't seem to behave like this
* So, use introspection rather than return value
*/
applet->proc(hWnd, CPL_INQUIRE, i, (LPARAM)&info);
applet->info[i].lData = info.lData;
applet->info[i].data = info.lData;
if (info.idIcon != CPL_DYNAMIC_RES)
applet->info[i].hIcon = LoadIconW(applet->hModule,
MAKEINTRESOURCEW(info.idIcon));
applet->info[i].icon = LoadIconW(applet->hModule, MAKEINTRESOURCEW(info.idIcon));
if (info.idName != CPL_DYNAMIC_RES)
LoadStringW(applet->hModule, info.idName,
applet->info[i].szName, sizeof(applet->info[i].szName) / sizeof(WCHAR));
applet->info[i].name, sizeof(applet->info[i].name) / sizeof(WCHAR));
if (info.idInfo != CPL_DYNAMIC_RES)
LoadStringW(applet->hModule, info.idInfo,
applet->info[i].szInfo, sizeof(applet->info[i].szInfo) / sizeof(WCHAR));
applet->info[i].info, sizeof(applet->info[i].info) / sizeof(WCHAR));
/* some broken control panels seem to return incorrect values in CPL_INQUIRE,
but proper data in CPL_NEWINQUIRE. if we get an empty string or a null
icon, see what we can get from CPL_NEWINQUIRE */
if (lstrlenW(applet->info[i].szName) == 0)
info.idName = CPL_DYNAMIC_RES;
if (!applet->info[i].name[0]) info.idName = CPL_DYNAMIC_RES;
/* zero-length szInfo may not be a buggy applet, but it doesn't hurt for us
to check anyway */
if (lstrlenW(applet->info[i].szInfo) == 0)
info.idInfo = CPL_DYNAMIC_RES;
if (!applet->info[i].info[0]) info.idInfo = CPL_DYNAMIC_RES;
if (applet->info[i].hIcon == NULL)
if (applet->info[i].icon == NULL)
info.idIcon = CPL_DYNAMIC_RES;
if ((info.idIcon == CPL_DYNAMIC_RES) || (info.idName == CPL_DYNAMIC_RES) ||
(info.idInfo == CPL_DYNAMIC_RES)) {
applet->proc(hWnd, CPL_NEWINQUIRE, i, (LPARAM)&newinfo);
applet->info[i].dwFlags = newinfo.dwFlags;
applet->info[i].dwHelpContext = newinfo.dwHelpContext;
applet->info[i].lData = newinfo.lData;
applet->info[i].data = newinfo.lData;
if (info.idIcon == CPL_DYNAMIC_RES) {
if (!newinfo.hIcon) WARN("couldn't get icon for applet %u\n", i);
applet->info[i].hIcon = newinfo.hIcon;
applet->info[i].icon = newinfo.hIcon;
}
if (newinfo.dwSize == sizeof(NEWCPLINFOW)) {
if (info.idName == CPL_DYNAMIC_RES)
memcpy(applet->info[i].szName, newinfo.szName, sizeof(newinfo.szName));
memcpy(applet->info[i].name, newinfo.szName, sizeof(newinfo.szName));
if (info.idInfo == CPL_DYNAMIC_RES)
memcpy(applet->info[i].szInfo, newinfo.szInfo, sizeof(newinfo.szInfo));
memcpy(applet->info[i].szHelpFile, newinfo.szHelpFile, sizeof(newinfo.szHelpFile));
memcpy(applet->info[i].info, newinfo.szInfo, sizeof(newinfo.szInfo));
memcpy(applet->info[i].helpfile, newinfo.szHelpFile, sizeof(newinfo.szHelpFile));
} else {
if (info.idName == CPL_DYNAMIC_RES)
MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szName,
sizeof(((LPNEWCPLINFOA)&newinfo)->szName) / sizeof(CHAR),
applet->info[i].szName,
sizeof(applet->info[i].szName) / sizeof(WCHAR));
applet->info[i].name, sizeof(applet->info[i].name) / sizeof(WCHAR));
if (info.idInfo == CPL_DYNAMIC_RES)
MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szInfo,
sizeof(((LPNEWCPLINFOA)&newinfo)->szInfo) / sizeof(CHAR),
applet->info[i].szInfo,
sizeof(applet->info[i].szInfo) / sizeof(WCHAR));
applet->info[i].info, sizeof(applet->info[i].info) / sizeof(WCHAR));
MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szHelpFile,
sizeof(((LPNEWCPLINFOA)&newinfo)->szHelpFile) / sizeof(CHAR),
applet->info[i].szHelpFile,
sizeof(applet->info[i].szHelpFile) / sizeof(WCHAR));
applet->info[i].helpfile,
sizeof(applet->info[i].helpfile) / sizeof(WCHAR));
}
}
}
@ -289,7 +280,7 @@ static void Control_WndProc_Create(HWND hWnd, const CREATESTRUCTW* cs)
for (applet = panel->first; applet; applet = applet->next) {
for (i = 0; i < applet->count; i++) {
if (!applet->info[i].dwSize)
if (!applet->info[i].valid)
continue;
/* set up a CPlItem for this particular subprogram */
@ -303,28 +294,27 @@ static void Control_WndProc_Create(HWND hWnd, const CREATESTRUCTW* cs)
mii.cbSize = sizeof(MENUITEMINFOW);
mii.fMask = MIIM_ID | MIIM_STRING | MIIM_DATA;
mii.dwTypeData = applet->info[i].szName;
mii.cch = sizeof(applet->info[i].szName) / sizeof(applet->info[i].szName[0]);
mii.dwTypeData = applet->info[i].name;
mii.cch = sizeof(applet->info[i].name) / sizeof(WCHAR);
mii.wID = IDM_CPANEL_APPLET_BASE + menucount;
mii.dwItemData = (ULONG_PTR)item;
if (InsertMenuItemW(hSubMenu, menucount, TRUE, &mii)) {
/* add the list view item */
index = ImageList_AddIcon(panel->hImageListLarge, applet->info[i].hIcon);
ImageList_AddIcon(panel->hImageListSmall, applet->info[i].hIcon);
index = ImageList_AddIcon(panel->hImageListLarge, applet->info[i].icon);
ImageList_AddIcon(panel->hImageListSmall, applet->info[i].icon);
lvItem.mask = LVIF_IMAGE | LVIF_TEXT | LVIF_PARAM;
lvItem.iItem = menucount;
lvItem.iSubItem = 0;
lvItem.pszText = applet->info[i].szName;
lvItem.pszText = applet->info[i].name;
lvItem.iImage = index;
lvItem.lParam = (LPARAM) item;
itemidx = ListView_InsertItemW(panel->hWndListView, &lvItem);
/* add the description */
ListView_SetItemTextW(panel->hWndListView, itemidx, 1,
applet->info[i].szInfo);
ListView_SetItemTextW(panel->hWndListView, itemidx, 1, applet->info[i].info);
/* update menu bar, increment count */
DrawMenuBar(hWnd);
@ -536,8 +526,7 @@ static LRESULT WINAPI Control_WndProc(HWND hWnd, UINT wMsg,
/* update the status bar if item is valid */
if (item)
SetWindowTextW(panel->hWndStatusBar,
item->applet->info[item->id].szInfo);
SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
else
SetWindowTextW(panel->hWndStatusBar, NULL);
@ -560,7 +549,7 @@ static LRESULT WINAPI Control_WndProc(HWND hWnd, UINT wMsg,
/* update the status bar if item is valid */
if (item)
SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].szInfo);
SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
}
else if ((HIWORD(lParam1) == 0xFFFF) && (lParam2 == 0))
{
@ -568,7 +557,7 @@ static LRESULT WINAPI Control_WndProc(HWND hWnd, UINT wMsg,
CPlItem *item = Control_GetCPlItem_From_ListView(panel);
if (item)
SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].szInfo);
SetWindowTextW(panel->hWndStatusBar, item->applet->info[item->id].info);
else
SetWindowTextW(panel->hWndStatusBar, NULL);
@ -802,10 +791,10 @@ static void Control_DoLaunch(CPanel* panel, HWND hWnd, LPCWSTR wszCmd)
/* we've been given a textual parameter (or none at all) */
if (sp == -1) {
while ((++sp) != applet->count) {
if (applet->info[sp].dwSize) {
TRACE("sp %d, name %s\n", sp, debugstr_w(applet->info[sp].szName));
if (applet->info[sp].valid) {
TRACE("sp %d, name %s\n", sp, debugstr_w(applet->info[sp].name));
if (StrCmpIW(extraPmts, applet->info[sp].szName) == 0)
if (StrCmpIW(extraPmts, applet->info[sp].name) == 0)
break;
}
}
@ -816,9 +805,9 @@ static void Control_DoLaunch(CPanel* panel, HWND hWnd, LPCWSTR wszCmd)
sp = 0;
}
if (applet->info[sp].dwSize) {
if (applet->info[sp].valid) {
if (!applet->proc(applet->hWnd, CPL_STARTWPARMSW, sp, (LPARAM)extraPmts))
applet->proc(applet->hWnd, CPL_DBLCLK, sp, applet->info[sp].lData);
applet->proc(applet->hWnd, CPL_DBLCLK, sp, applet->info[sp].data);
}
Control_UnloadApplet(applet);

13
dlls/shell32/cpanel.h
View file

@ -23,6 +23,16 @@
#include "cpl.h"
struct applet_info
{
BOOL valid;
LONG_PTR data;
HICON icon;
WCHAR name[256];
WCHAR info[256];
WCHAR helpfile[128];
};
typedef struct CPlApplet {
struct CPlApplet* next; /* linked list */
HWND hWnd;
@ -30,8 +40,7 @@ typedef struct CPlApplet {
unsigned count; /* number of subprograms */
HMODULE hModule; /* module of loaded applet */
APPLET_PROC proc; /* entry point address */
NEWCPLINFOW info[1]; /* array of count information.
* dwSize field is 0 if entry is invalid */
struct applet_info info[1]; /* array of count information */
} CPlApplet;
typedef struct CPanel {

4
dlls/shell32/cpanelfolder.c
View file

@ -309,8 +309,8 @@ static BOOL SHELL_RegisterCPanelApp(IEnumIDListImpl *list, LPCSTR path)
{
for(i=0; i<applet->count; ++i)
{
WideCharToMultiByte(CP_ACP, 0, applet->info[i].szName, -1, displayName, MAX_PATH, 0, 0);
WideCharToMultiByte(CP_ACP, 0, applet->info[i].szInfo, -1, comment, MAX_PATH, 0, 0);
WideCharToMultiByte(CP_ACP, 0, applet->info[i].name, -1, displayName, MAX_PATH, 0, 0);
WideCharToMultiByte(CP_ACP, 0, applet->info[i].info, -1, comment, MAX_PATH, 0, 0);
applet->proc(0, CPL_INQUIRE, i, (LPARAM)&info);