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Improve Linux file dialog support

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Adds support for multi selection, filtering and initial folder for both zenity and kdialog. kdialog is also preferred over zenity when KDE is detected.
This commit is contained in:
Ari Vuollet
2023-02-03 22:00:50 +02:00
parent d8a9b699ad
commit 0ac5db45d1
4 changed files with 62 additions and 12 deletions
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14
Source/Engine/Platform/Base/FileSystemBase.h
View File

@@ -50,11 +50,16 @@ DECLARE_SCRIPTING_TYPE_MINIMAL(FileSystemBase);
/// </summary>
/// <param name="parentWindow">The parent window or null.</param>
/// <param name="initialDirectory">The initial directory.</param>
/// <param name="filter">The custom filter.</param>
/// <param name="filter">The file filter string as null-terminated pairs of name and list of extensions. Multiple file extensions must be separated with semicolon.</param>
/// <param name="multiSelect">True if allow multiple files to be selected, otherwise use single-file mode.</param>
/// <param name="title">The dialog title.</param>
/// <param name="filenames">The output names of the files picked by the user.</param>
/// <returns>True if failed, otherwise false.</returns>
/// <remarks>
/// Example file filters:
/// "All Files\0*.*"
/// "All Files\0*.*\0Image Files\0*.png;*.jpg"
/// </remarks>
API_FUNCTION() static bool ShowOpenFileDialog(Window* parentWindow, const StringView& initialDirectory, const StringView& filter, bool multiSelect, const StringView& title, API_PARAM(Out) Array<String, HeapAllocation>& filenames);
/// <summary>
@@ -62,11 +67,16 @@ DECLARE_SCRIPTING_TYPE_MINIMAL(FileSystemBase);
/// </summary>
/// <param name="parentWindow">The parent window.</param>
/// <param name="initialDirectory">The initial directory.</param>
/// <param name="filter">The filter.</param>
/// <param name="filter">The file filter string as null-terminated pairs of name and list of extensions. Multiple file extensions must be separated with semicolon.</param>
/// <param name="multiSelect">True if allow multiple files to be selected, otherwise use single-file mode.</param>
/// <param name="title">The title.</param>
/// <param name="filenames">The output names of the files picked by the user.</param>
/// <returns>True if failed, otherwise false.</returns>
/// <remarks>
/// Example file filters:
/// "All Files\0*.*"
/// "All Files\0*.*\0Image Files\0*.png;*.jpg"
/// </remarks>
API_FUNCTION() static bool ShowSaveFileDialog(Window* parentWindow, const StringView& initialDirectory, const StringView& filter, bool multiSelect, const StringView& title, API_PARAM(Out) Array<String, HeapAllocation>& filenames);
/// <summary>

13
Source/Engine/Platform/Base/StringUtilsBase.cpp
View File

@@ -528,4 +528,17 @@ String StringUtils::ToString(double value)
return String::Format(TEXT("{}"), value);
}
String StringUtils::GetZZString(const Char* str)
{
const Char* end = str;
while (*end != '\0')
{
end++;
if (*end == '\0')
end++;
}
const int len = end - str;
return String(str, len);
}
#undef STRING_UTILS_ITOSTR_BUFFER_SIZE