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libui: primp file picker dialogs

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* support for filters, for Windows (tested) and GTK (theoretical)
* add extra parameter for setting the start directory, but not supported yet
This commit is contained in:
StapleButter
2017-09-11 15:56:52 +02:00
parent 08ed0f3229
commit 62a26977c7
5 changed files with 130 additions and 17 deletions
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44
src/libui_sdl/libui/windows/stddialogs.cpp
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@ -16,7 +16,7 @@
#define windowHWND(w) ((HWND) uiControlHandle(uiControl(w)))
char *commonItemDialog(HWND parent, REFCLSID clsid, REFIID iid, FILEOPENDIALOGOPTIONS optsadd)
char *commonItemDialog(HWND parent, REFCLSID clsid, REFIID iid, char* filter, char* initpath, FILEOPENDIALOGOPTIONS optsadd)
{
IFileDialog *d = NULL;
FILEOPENDIALOGOPTIONS opts;
@ -46,6 +46,38 @@ char *commonItemDialog(HWND parent, REFCLSID clsid, REFIID iid, FILEOPENDIALOGOP
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
@ -76,26 +108,28 @@ out:
return name;
}
char *uiOpenFile(uiWindow *parent)
char *uiOpenFile(uiWindow *parent, char* filter, char* initpath)
{
char *res;
disableAllWindowsExcept(parent);
res = commonItemDialog(windowHWND(parent),
CLSID_FileOpenDialog, IID_IFileOpenDialog,
FOS_NOCHANGEDIR | FOS_ALLNONSTORAGEITEMS | FOS_NOVALIDATE | FOS_PATHMUSTEXIST | FOS_FILEMUSTEXIST | FOS_SHAREAWARE | FOS_NOTESTFILECREATE | FOS_NODEREFERENCELINKS | FOS_FORCESHOWHIDDEN | FOS_DEFAULTNOMINIMODE);
filter, initpath,
FOS_NOCHANGEDIR | FOS_FORCEFILESYSTEM | FOS_NOVALIDATE | FOS_PATHMUSTEXIST | FOS_FILEMUSTEXIST | FOS_SHAREAWARE | FOS_NOTESTFILECREATE | FOS_NODEREFERENCELINKS | FOS_FORCESHOWHIDDEN | FOS_DEFAULTNOMINIMODE);
enableAllWindowsExcept(parent);
return res;
}
char *uiSaveFile(uiWindow *parent)
char *uiSaveFile(uiWindow *parent, char* filter, char* initpath)
{
char *res;
disableAllWindowsExcept(parent);
res = commonItemDialog(windowHWND(parent),
CLSID_FileSaveDialog, IID_IFileSaveDialog,
FOS_OVERWRITEPROMPT | FOS_NOCHANGEDIR | FOS_ALLNONSTORAGEITEMS | FOS_NOVALIDATE | FOS_SHAREAWARE | FOS_NOTESTFILECREATE | FOS_NODEREFERENCELINKS | FOS_FORCESHOWHIDDEN | FOS_DEFAULTNOMINIMODE);
filter, initpath,
FOS_OVERWRITEPROMPT | FOS_NOCHANGEDIR | FOS_FORCEFILESYSTEM | FOS_NOVALIDATE | FOS_SHAREAWARE | FOS_NOTESTFILECREATE | FOS_NODEREFERENCELINKS | FOS_FORCESHOWHIDDEN | FOS_DEFAULTNOMINIMODE);
enableAllWindowsExcept(parent);
return res;
}