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Extended linux zenity file chooser to use filters and bring the window to the front.

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This commit is contained in:
jules 2014-07-21 16:51:05 +01:00
parent 413954f60c
commit 0c1f2a6a72
1 changed files with 119 additions and 84 deletions
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203
modules/juce_gui_basics/native/juce_linux_FileChooser.cpp
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@ -42,99 +42,134 @@ bool FileChooser::isPlatformDialogAvailable()
#endif
}
void FileChooser::showPlatformDialog (Array<File>& results,
const String& title,
const File& file,
const String& filters,
bool isDirectory,
bool /* selectsFiles */,
bool isSave,
bool /* warnAboutOverwritingExistingFiles */,
bool selectMultipleFiles,
FilePreviewComponent* /* previewComponent */)
static uint64 getTopWindowID() noexcept
{
String separator;
StringArray args;
if (TopLevelWindow* top = TopLevelWindow::getActiveTopLevelWindow())
return (uint64) (pointer_sized_uint) top->getWindowHandle();
const File previousWorkingDirectory (File::getCurrentWorkingDirectory());
const bool isKdeFullSession = SystemStats::getEnvironmentVariable ("KDE_FULL_SESSION", String::empty)
.equalsIgnoreCase ("true");
return 0;
}
if (exeIsAvailable ("kdialog") && (isKdeFullSession || ! exeIsAvailable ("zenity")))
static bool isKdeFullSession()
{
return SystemStats::getEnvironmentVariable ("KDE_FULL_SESSION", String())
.equalsIgnoreCase ("true");
}
static void addKDialogArgs (StringArray& args, String& separator,
const String& title, const File& file, const String& filters,
bool isDirectory, bool isSave, bool selectMultipleFiles)
{
args.add ("kdialog");
if (title.isNotEmpty())
args.add ("--title=" + title);
if (selectMultipleFiles)
{
// use kdialog for KDE sessions or if zenity is missing
args.add ("kdialog");
if (title.isNotEmpty())
args.add ("--title=" + title);
if (selectMultipleFiles)
{
separator = "\n";
args.add ("--multiple");
args.add ("--separate-output");
args.add ("--getopenfilename");
}
else
{
if (isSave) args.add ("--getsavefilename");
else if (isDirectory) args.add ("--getexistingdirectory");
else args.add ("--getopenfilename");
}
String startPath;
if (file.exists())
{
startPath = file.getFullPathName();
}
else if (file.getParentDirectory().exists())
{
startPath = file.getParentDirectory().getFullPathName();
}
else
{
startPath = File::getSpecialLocation (File::userHomeDirectory).getFullPathName();
if (isSave)
startPath += "/" + file.getFileName();
}
args.add (startPath);
args.add (filters.replaceCharacter (';', ' '));
separator = "\n";
args.add ("--multiple");
args.add ("--separate-output");
args.add ("--getopenfilename");
}
else
{
// zenity
args.add ("zenity");
args.add ("--file-selection");
if (title.isNotEmpty())
args.add ("--title=" + title);
if (selectMultipleFiles)
{
separator = ":";
args.add ("--multiple");
args.add ("--separator=" + separator);
}
else
{
if (isDirectory) args.add ("--directory");
if (isSave) args.add ("--save");
}
if (file.isDirectory())
file.setAsCurrentWorkingDirectory();
else if (file.getParentDirectory().exists())
file.getParentDirectory().setAsCurrentWorkingDirectory();
else
File::getSpecialLocation (File::userHomeDirectory).setAsCurrentWorkingDirectory();
if (! file.getFileName().isEmpty())
args.add ("--filename=" + file.getFileName());
if (isSave) args.add ("--getsavefilename");
else if (isDirectory) args.add ("--getexistingdirectory");
else args.add ("--getopenfilename");
}
if (uint64 topWindowID = getTopWindowID())
{
args.add ("--attach");
args.add (String (topWindowID));
}
File startPath;
if (file.exists())
{
startPath = file;
}
else if (file.getParentDirectory().exists())
{
startPath = file.getParentDirectory();
}
else
{
startPath = File::getSpecialLocation (File::userHomeDirectory);
if (isSave)
startPath = startPath.getChildFile (file.getFileName());
}
args.add (startPath.getFullPathName());
args.add (filters.replaceCharacter (';', ' '));
}
static void addZenityArgs (StringArray& args, String& separator,
const String& title, const File& file, const String& filters,
bool isDirectory, bool isSave, bool selectMultipleFiles)
{
args.add ("zenity");
args.add ("--file-selection");
if (title.isNotEmpty())
args.add ("--title=" + title);
if (selectMultipleFiles)
{
separator = ":";
args.add ("--multiple");
args.add ("--separator=" + separator);
}
else
{
if (isDirectory) args.add ("--directory");
if (isSave) args.add ("--save");
}
if (filters.isNotEmpty() && filters != "*" && filters != "*.*")
{
args.add ("--file-filter");
args.add (filters.replaceCharacter (';', ' '));
args.add ("--file-filter");
args.add ("All files | *");
}
if (file.isDirectory())
file.setAsCurrentWorkingDirectory();
else if (file.getParentDirectory().exists())
file.getParentDirectory().setAsCurrentWorkingDirectory();
else
File::getSpecialLocation (File::userHomeDirectory).setAsCurrentWorkingDirectory();
if (! file.getFileName().isEmpty())
args.add ("--filename=" + file.getFileName());
// supplying the window ID of the topmost window makes sure that Zenity pops up..
if (uint64 topWindowID = getTopWindowID())
setenv ("WINDOWID", String (topWindowID).toRawUTF8(), true);
}
void FileChooser::showPlatformDialog (Array<File>& results,
const String& title, const File& file, const String& filters,
bool isDirectory, bool /* selectsFiles */,
bool isSave, bool /* warnAboutOverwritingExistingFiles */,
bool selectMultipleFiles, FilePreviewComponent*)
{
const File previousWorkingDirectory (File::getCurrentWorkingDirectory());
StringArray args;
String separator;
// use kdialog for KDE sessions or if zenity is missing
if (exeIsAvailable ("kdialog") && (isKdeFullSession() || ! exeIsAvailable ("zenity")))
addKDialogArgs (args, separator, title, file, filters, isDirectory, isSave, selectMultipleFiles);
else
addZenityArgs (args, separator, title, file, filters, isDirectory, isSave, selectMultipleFiles);
args.add ("2>/dev/null"); // (to avoid logging info ending up in the results)
ChildProcess child;