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fix: support mixed-case extensions in Linux file dialogs (#33918)

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This commit is contained in:
Kevin Ushey
2022-05-02 08:54:17 -07:00
committed by GitHub
parent 14f07d7814
commit 9901d2f281
1 changed files with 21 additions and 6 deletions
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27
shell/browser/ui/file_dialog_gtk.cc
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@@ -31,6 +31,25 @@ namespace {
static const int kPreviewWidth = 256;
static const int kPreviewHeight = 512;
std::string MakeCaseInsensitivePattern(const std::string& extension) {
std::string pattern("*.");
for (std::size_t i = 0, n = extension.size(); i < n; i++) {
char ch = extension[i];
if (!base::IsAsciiAlpha(ch)) {
pattern.push_back(ch);
continue;
}
pattern.push_back('[');
pattern.push_back(base::ToLowerASCII(ch));
pattern.push_back(base::ToUpperASCII(ch));
pattern.push_back(']');
}
return pattern;
}
class FileChooserDialog {
public:
FileChooserDialog(GtkFileChooserAction action, const DialogSettings& settings)
@@ -252,12 +271,8 @@ void FileChooserDialog::AddFilters(const Filters& filters) {
GtkFileFilter* gtk_filter = gtk_file_filter_new();
for (const auto& extension : filter.second) {
// guarantee a pure lowercase variant
std::string file_extension = base::ToLowerASCII("*." + extension);
gtk_file_filter_add_pattern(gtk_filter, file_extension.c_str());
// guarantee a pure uppercase variant
file_extension = base::ToUpperASCII("*." + extension);
gtk_file_filter_add_pattern(gtk_filter, file_extension.c_str());
std::string pattern = MakeCaseInsensitivePattern(extension);
gtk_file_filter_add_pattern(gtk_filter, pattern.c_str());
}
gtk_file_filter_set_name(gtk_filter, filter.first.c_str());