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explorer: Look for an existing window browsing the given path first. 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2020-05-17 23:29:44 -05:00 committed by Alexandre Julliard
parent 7b56edf9a4
commit 1a7b4fb9c1
1 changed files with 110 additions and 54 deletions
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164
programs/explorer/explorer.c
View File

@ -70,6 +70,9 @@ typedef struct
LPITEMIDLIST pidl;
IImageList *icon_list;
DWORD advise_cookie;
IShellWindows *sw;
LONG sw_cookie;
} explorer_info;
enum
@ -77,6 +80,13 @@ enum
BACK_BUTTON,FORWARD_BUTTON,UP_BUTTON
};
static void variant_from_pidl(VARIANT *var, const ITEMIDLIST *pidl)
{
V_VT(var) = VT_ARRAY | VT_UI1;
V_ARRAY(var) = SafeArrayCreateVector(VT_UI1, 0, ILGetSize(pidl));
memcpy(V_ARRAY(var)->pvData, pidl, ILGetSize(pidl));
}
typedef struct
{
IExplorerBrowserEvents IExplorerBrowserEvents_iface;
@ -265,6 +275,15 @@ static HRESULT WINAPI IExplorerBrowserEventsImpl_fnOnNavigationComplete(IExplore
STRRET strret;
WCHAR *name;
if (This->info->sw)
{
VARIANT var;
variant_from_pidl(&var, pidl);
IShellWindows_OnNavigate(This->info->sw, This->info->sw_cookie, &var);
VariantClear(&var);
}
ILFree(This->info->pidl);
This->info->pidl = ILClone(pidl);
update_path_box(This->info);
@ -325,7 +344,35 @@ static IExplorerBrowserEvents *make_explorer_events(explorer_info *info)
return &ret->IExplorerBrowserEvents_iface;
}
static void make_explorer_window(IShellFolder* startFolder)
static IShellFolder *get_starting_shell_folder(WCHAR *path)
{
IShellFolder* desktop,*folder;
LPITEMIDLIST root_pidl;
HRESULT hres;
SHGetDesktopFolder(&desktop);
if (!path)
return desktop;
hres = IShellFolder_ParseDisplayName(desktop, NULL, NULL, path, NULL, &root_pidl, NULL);
if(FAILED(hres))
{
return desktop;
}
hres = IShellFolder_BindToObject(desktop,root_pidl,NULL,
&IID_IShellFolder,
(void**)&folder);
ILFree(root_pidl);
if(FAILED(hres))
{
return desktop;
}
IShellFolder_Release(desktop);
return folder;
}
static void make_explorer_window(parameters_struct *params)
{
RECT rect;
HWND rebar,nav_toolbar;
@ -339,8 +386,49 @@ static void make_explorer_window(IShellFolder* startFolder)
TBBUTTON nav_buttons[3];
int hist_offset,view_offset;
REBARBANDINFOW band_info;
VARIANT var, empty_var;
IShellFolder *folder;
IDispatch *dispatch;
WCHAR *path = NULL;
IShellWindows *sw;
ITEMIDLIST *pidl;
UINT dpix, dpiy;
DWORD size;
LONG hwnd;
HDC hdc;
MSG msg;
CoCreateInstance(&CLSID_ShellWindows, NULL, CLSCTX_LOCAL_SERVER,
&IID_IShellWindows, (void **)&sw);
if (params->root[0])
{
size = GetFullPathNameW(params->root, 0, NULL, NULL);
path = malloc(size);
GetFullPathNameW(params->root, size, path, NULL);
}
if (sw && path)
{
if (!(pidl = ILCreateFromPathW(path)))
{
ERR("Failed to create PIDL for %s.\n", debugstr_w(path));
IShellWindows_Release(sw);
return;
}
variant_from_pidl(&var, pidl);
V_VT(&empty_var) = VT_EMPTY;
if (IShellWindows_FindWindowSW(sw, &var, &empty_var, SWC_EXPLORER, &hwnd, 0, &dispatch) == S_OK)
{
TRACE("Found window %#x already browsing path %s.\n", hwnd, debugstr_w(path));
SetForegroundWindow((HWND)(LONG_PTR)hwnd);
IShellWindows_Release(sw);
return;
}
ILFree(pidl);
VariantClear(&var);
}
memset(nav_buttons,0,sizeof(nav_buttons));
@ -376,6 +464,12 @@ static void make_explorer_window(IShellFolder* startFolder)
CW_USEDEFAULT,CW_USEDEFAULT,default_width,
default_height,NULL,NULL,explorer_hInstance,NULL);
if (sw)
{
IShellWindows_Register(sw, NULL, (LONG_PTR)info->main_window, SWC_EXPLORER, &info->sw_cookie);
info->sw = sw;
}
fs.ViewMode = FVM_DETAILS;
fs.fFlags = FWF_AUTOARRANGE;
@ -439,11 +533,20 @@ static void make_explorer_window(IShellFolder* startFolder)
SendMessageW(rebar,RB_INSERTBANDW,-1,(LPARAM)&band_info);
events = make_explorer_events(info);
IExplorerBrowser_Advise(info->browser,events,&info->advise_cookie);
IExplorerBrowser_BrowseToObject(info->browser,(IUnknown*)startFolder,
SBSP_ABSOLUTE);
folder = get_starting_shell_folder(path);
IExplorerBrowser_BrowseToObject(info->browser, (IUnknown *)folder, SBSP_ABSOLUTE);
IShellFolder_Release(folder);
ShowWindow(info->main_window,SW_SHOWDEFAULT);
UpdateWindow(info->main_window);
IExplorerBrowserEvents_Release(events);
while (GetMessageW(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessageW(&msg);
}
}
static void update_window_size(explorer_info *info, int height, int width)
@ -568,6 +671,9 @@ static LRESULT CALLBACK explorer_wnd_proc(HWND hwnd, UINT uMsg, WPARAM wParam, L
switch(uMsg)
{
case WM_DESTROY:
IShellWindows_Revoke(info->sw, info->sw_cookie);
IShellWindows_Release(info->sw);
IExplorerBrowser_Unadvise(browser,info->advise_cookie);
IExplorerBrowser_Destroy(browser);
IExplorerBrowser_Release(browser);
@ -625,47 +731,6 @@ static void register_explorer_window_class(void)
RegisterClassExW(&window_class);
}
static IShellFolder* get_starting_shell_folder(parameters_struct* params)
{
IShellFolder* desktop,*folder;
LPITEMIDLIST root_pidl;
WCHAR *fullpath = NULL;
HRESULT hres;
DWORD size;
SHGetDesktopFolder(&desktop);
if (!params->root[0])
{
return desktop;
}
size = GetFullPathNameW(params->root, 0, fullpath, NULL);
if (!size)
return desktop;
fullpath = heap_alloc(size * sizeof(WCHAR));
GetFullPathNameW(params->root, size, fullpath, NULL);
hres = IShellFolder_ParseDisplayName(desktop,NULL,NULL,
fullpath,NULL,
&root_pidl,NULL);
heap_free(fullpath);
if(FAILED(hres))
{
return desktop;
}
hres = IShellFolder_BindToObject(desktop,root_pidl,NULL,
&IID_IShellFolder,
(void**)&folder);
ILFree(root_pidl);
if(FAILED(hres))
{
return desktop;
}
IShellFolder_Release(desktop);
return folder;
}
static WCHAR *copy_path_string(WCHAR *target, WCHAR *source)
{
INT i = 0;
@ -793,8 +858,6 @@ int WINAPI wWinMain(HINSTANCE hinstance,
parameters_struct parameters;
HRESULT hres;
MSG msg;
IShellFolder *folder;
INITCOMMONCONTROLSEX init_info;
memset(&parameters,0,sizeof(parameters));
@ -817,13 +880,6 @@ int WINAPI wWinMain(HINSTANCE hinstance,
ExitProcess(EXIT_FAILURE);
}
register_explorer_window_class();
folder = get_starting_shell_folder(&parameters);
make_explorer_window(folder);
IShellFolder_Release(folder);
while(GetMessageW( &msg, NULL, 0, 0 ) != 0)
{
TranslateMessage(&msg);
DispatchMessageW(&msg);
}
make_explorer_window(&parameters);
return 0;
}