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File save dialogs

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This commit is contained in:
Kovid Goyal 2016-05-03 21:21:19 +05:30
parent 0a0a760290
commit b9dcf3f114
2 changed files with 14 additions and 3 deletions
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7
setup/installer/windows/file_dialogs.cpp
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@ -25,7 +25,10 @@ int show_dialog(HWND parent, bool save_dialog, LPWSTR title) {
hr = CoInitialize(NULL);
if (FAILED(hr)) { PRINTERR("Failed to initialize COM"); return 1; }
CALLCOM(CoCreateInstance(CLSID_FileOpenDialog, NULL, CLSCTX_INPROC_SERVER, (save_dialog ? IID_IFileSaveDialog : IID_IFileOpenDialog), reinterpret_cast<LPVOID*>(&pfd)), "Failed to create COM object for file dialog")
CALLCOM(CoCreateInstance((save_dialog ? CLSID_FileSaveDialog : CLSID_FileOpenDialog),
NULL, CLSCTX_INPROC_SERVER, (save_dialog ? IID_IFileSaveDialog : IID_IFileOpenDialog),
reinterpret_cast<LPVOID*>(&pfd)),
"Failed to create COM object for file dialog")
CALLCOM(pfd->GetOptions(&dwFlags), "Failed to get options")
dwFlags |= FOS_FORCEFILESYSTEM;
CALLCOM(pfd->SetOptions(dwFlags), "Failed to set options")
@ -107,6 +110,8 @@ int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PWSTR pCmdLine
else if CHECK_KEY("TITLE") { READSTR(title) }
else if CHECK_KEY("SAVE_AS") { READ(1, buf); save_dialog = !!buf[0]; }
else {
PRINTERR("Unknown key");
return 1;

10
src/calibre/gui2/win_file_dialogs.py
View File

@ -26,6 +26,10 @@ def serialize_hwnd(hwnd):
return b''
return struct.pack(b'=' + (b'B4sQ' if is64bit else b'I'), 4, b'HWND', int(hwnd))
def serialize_binary(key, val):
key = key.encode('ascii') if not isinstance(key, bytes) else key
return struct.pack(b'=B%ssB' % len(key), len(key), key, int(val))
def serialize_string(key, val):
key = key.encode('ascii') if not isinstance(key, bytes) else key
val = type('')(val).encode('utf-8')
@ -57,12 +61,14 @@ class Loop(QEventLoop):
QEventLoop.__init__(self)
self.dialog_closed.connect(self.exit, type=Qt.QueuedConnection)
def run_file_dialog(parent=None, title=None):
def run_file_dialog(parent=None, title=None, save_as=False):
data = []
if parent is not None:
data.append(serialize_hwnd(get_hwnd(parent)))
if title is not None:
data.append(serialize_string('TITLE', title))
if save_as:
data.append(serialize_binary('SAVE_AS', save_as))
loop = Loop()
h = Helper(subprocess.Popen(
[HELPER], stdout=subprocess.PIPE, stdin=subprocess.PIPE, stderr=subprocess.PIPE),
@ -81,7 +87,7 @@ if __name__ == '__main__':
q = QMainWindow()
def clicked():
print(run_file_dialog(b, 'Testing dialogs')), sys.stdout.flush()
print(run_file_dialog(b, 'Testing dialogs', True)), sys.stdout.flush()
b = QPushButton('click me')
b.clicked.connect(clicked)