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System File Chooser: implemented native bindings for GtkFileChooserDialog on Linux

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Karl Tauber
2025-01-03 16:22:07 +01:00
parent 63272a03cf
commit 2b810addd8
10 changed files with 848 additions and 10 deletions
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50
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatNativeLinuxLibrary.java
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@@ -34,9 +34,9 @@ import com.formdev.flatlaf.util.SystemInfo;
* @author Karl Tauber
* @since 2.5
*/
class FlatNativeLinuxLibrary
public class FlatNativeLinuxLibrary
{
private static int API_VERSION_LINUX = 3001;
private static int API_VERSION_LINUX = 3002;
/**
* Checks whether native library is loaded/available.
@@ -44,7 +44,7 @@ class FlatNativeLinuxLibrary
* <b>Note</b>: It is required to invoke this method before invoking any other
* method of this class. Otherwise, the native library may not be loaded.
*/
static boolean isLoaded() {
public static boolean isLoaded() {
return SystemInfo.isLinux && FlatNativeLibrary.isLoaded( API_VERSION_LINUX );
}
@@ -115,4 +115,48 @@ class FlatNativeLinuxLibrary
return (window instanceof JFrame && JFrame.isDefaultLookAndFeelDecorated() && ((JFrame)window).isUndecorated()) ||
(window instanceof JDialog && JDialog.isDefaultLookAndFeelDecorated() && ((JDialog)window).isUndecorated());
}
/**
* https://docs.gtk.org/gtk3/iface.FileChooser.html#properties
*
* @since 3.6
*/
public static final int
FC_select_folder = 1 << 0,
FC_select_multiple = 1 << 1,
FC_show_hidden = 1 << 2,
FC_local_only = 1 << 3, // default
FC_do_overwrite_confirmation = 1 << 4, // GTK 3 only; removed and always-on in GTK 4
FC_create_folders = 1 << 5; // default for Save
/**
* Shows the Linux system file dialog
* <a href="https://docs.gtk.org/gtk3/class.FileChooserDialog.html">GtkFileChooserDialog</a>.
* <p>
* <b>Note:</b> This method blocks the current thread until the user closes
* the file dialog. It is highly recommended to invoke it from a new thread
* to avoid blocking the AWT event dispatching thread.
*
* @param open if {@code true}, shows the open dialog; if {@code false}, shows the save dialog
* @param title text displayed in dialog title; or {@code null}
* @param okButtonLabel text displayed in default button; or {@code null}
* @param currentName user-editable filename currently shown in the filename field in save dialog; or {@code null}
* @param currentFolder current directory shown in the dialog; or {@code null}
* @param optionsSet options to set; see {@code FOS_*} constants
* @param optionsClear options to clear; see {@code FOS_*} constants
* @param fileTypeIndex the file type that appears as selected (zero-based)
* @param fileTypes file types that the dialog can open or save.
* Two or more strings and {@code null} are required for each filter.
* First string is the display name of the filter shown in the combobox (e.g. "Text Files").
* Subsequent strings are the filter patterns (e.g. "*.txt" or "*").
* {@code null} is required to mark end of filter.
* @return file path(s) that the user selected; an empty array if canceled;
* or {@code null} on failures (no dialog shown)
*
* @since 3.6
*/
public native static String[] showFileChooser( boolean open,
String title, String okButtonLabel, String currentName, String currentFolder,
int optionsSet, int optionsClear, int fileTypeIndex, String... fileTypes );
}