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// 22 may 2015
#include "uipriv_windows.hpp"
// TODO document all this is what we want
// TODO do the same for font and color buttons
// notes:
// - FOS_SUPPORTSTREAMABLEITEMS doesn't seem to be supported on windows vista, or at least not with the flags we use
// - even with FOS_NOVALIDATE the dialogs will reject invalid filenames (at least on Vista, anyway)
// - lack of FOS_NOREADONLYRETURN doesn't seem to matter on Windows 7
// TODO
// - http://blogs.msdn.com/b/wpfsdk/archive/2006/10/26/uncommon-dialogs--font-chooser-and-color-picker-dialogs.aspx
// - when a dialog is active, tab navigation in other windows stops working
// - when adding uiOpenFolder(), use IFileDialog as well - https://msdn.microsoft.com/en-us/library/windows/desktop/bb762115%28v=vs.85%29.aspx
#define windowHWND(w) (w ? (HWND) uiControlHandle(uiControl(w)) : NULL)
char *commonItemDialog(HWND parent, REFCLSID clsid, REFIID iid, const char* filter, const char* initpath, FILEOPENDIALOGOPTIONS optsadd)
{
IFileDialog *d = NULL;
FILEOPENDIALOGOPTIONS opts;
IShellItem *result = NULL;
WCHAR *wname = NULL;
char *name = NULL;
HRESULT hr;
hr = CoCreateInstance(clsid,
NULL, CLSCTX_INPROC_SERVER,
iid, (LPVOID *) (&d));
if (hr != S_OK) {
logHRESULT(L"error creating common item dialog", hr);
// always return NULL on error
goto out;
}
hr = d->GetOptions(&opts);
if (hr != S_OK) {
logHRESULT(L"error getting current options", hr);
goto out;
}
opts |= optsadd;
// the other platforms don't check read-only; we won't either
opts &= ~FOS_NOREADONLYRETURN;
hr = d->SetOptions(opts);
if (hr != S_OK) {
logHRESULT(L"error setting options", hr);
goto out;
}
// filters
{
COMDLG_FILTERSPEC filterspec[8];
wchar_t _filter[256];
wchar_t* fp = &_filter[0]; int s = 0;
wchar_t* fname;
for (int i = 0; i < 255; i++)
{
if (filter[i] == '|' || filter[i] == '\0')
{
_filter[i] = '\0';
if (s & 1)
{
filterspec[s>>1].pszName = fname;
filterspec[s>>1].pszSpec = fp;
}
else
{
fname = fp;
}
fp = &_filter[i+1];
s++;
if (s >= 8) break;
if (filter[i] == '\0') break;
}
else
_filter[i] = filter[i];
}
d->SetFileTypes(s>>1, filterspec);
}
hr = d->Show(parent);
if (hr == HRESULT_FROM_WIN32(ERROR_CANCELLED))
// cancelled; return NULL like we have ready
goto out;
if (hr != S_OK) {
logHRESULT(L"error showing dialog", hr);
goto out;
}
hr = d->GetResult(&result);
if (hr != S_OK) {
logHRESULT(L"error getting dialog result", hr);
goto out;
}
hr = result->GetDisplayName(SIGDN_FILESYSPATH, &wname);
if (hr != S_OK) {
logHRESULT(L"error getting filename", hr);
goto out;
}
name = toUTF8(wname);
out:
if (wname != NULL)
CoTaskMemFree(wname);
if (result != NULL)
result->Release();
if (d != NULL)
d->Release();
return name;
}
char *uiOpenFile(uiWindow *parent, const char* filter, const char* initpath)
{
char *res;
disableAllWindowsExcept(parent);
res = commonItemDialog(windowHWND(parent),
CLSID_FileOpenDialog, IID_IFileOpenDialog,
filter, initpath,
FOS_NOCHANGEDIR | FOS_FORCEFILESYSTEM | FOS_NOVALIDATE | FOS_PATHMUSTEXIST | FOS_FILEMUSTEXIST | FOS_SHAREAWARE | FOS_NOTESTFILECREATE | FOS_FORCESHOWHIDDEN | FOS_DEFAULTNOMINIMODE);
enableAllWindowsExcept(parent);
return res;
}
char *uiSaveFile(uiWindow *parent, const char* filter, const char* initpath)
{
char *res;
disableAllWindowsExcept(parent);
res = commonItemDialog(windowHWND(parent),
CLSID_FileSaveDialog, IID_IFileSaveDialog,
filter, initpath,
FOS_OVERWRITEPROMPT | FOS_NOCHANGEDIR | FOS_FORCEFILESYSTEM | FOS_NOVALIDATE | FOS_SHAREAWARE | FOS_NOTESTFILECREATE | FOS_FORCESHOWHIDDEN | FOS_DEFAULTNOMINIMODE);
enableAllWindowsExcept(parent);
return res;
}
// TODO switch to TaskDialogIndirect()?
static int msgbox(HWND parent, const char *title, const char *description, TASKDIALOG_COMMON_BUTTON_FLAGS buttons, PCWSTR icon)
{
WCHAR *wtitle, *wdescription;
HRESULT hr;
wtitle = toUTF16(title);
wdescription = toUTF16(description);
int result;
hr = TaskDialog(parent, NULL, NULL, wtitle, wdescription, buttons, icon, &result);
if (hr != S_OK)
logHRESULT(L"error showing task dialog", hr);
uiFree(wdescription);
uiFree(wtitle);
return result;
}
void uiMsgBox(uiWindow *parent, const char *title, const char *description)
{
disableAllWindowsExcept(parent);
msgbox(windowHWND(parent), title, description, TDCBF_OK_BUTTON, NULL);
enableAllWindowsExcept(parent);
}
void uiMsgBoxError(uiWindow *parent, const char *title, const char *description)
{
disableAllWindowsExcept(parent);
msgbox(windowHWND(parent), title, description, TDCBF_OK_BUTTON, TD_ERROR_ICON);
enableAllWindowsExcept(parent);
}
int uiMsgBoxConfirm(uiWindow * parent, const char *title, const char *description)
{
disableAllWindowsExcept(parent);
int result =
msgbox(windowHWND(parent), title, description, TDCBF_OK_BUTTON | TDCBF_CANCEL_BUTTON, TD_WARNING_ICON);
enableAllWindowsExcept(parent);
return result == IDOK;
}
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