Fix gtk4 file explorer for windows

Gtk4/gtk149_file_exp3/.vscode/settings.json

@@ -1,3 +1,4 @@
 {
-    "C_Cpp.default.configurationProvider": "ms-vscode.cmake-tools"
+    "C_Cpp.default.configurationProvider": "ms-vscode.cmake-tools",
+    "cmake.configureOnOpen": true
 }

Gtk4/gtk149_file_exp3/CMakeLists.txt

@@ -1,5 +1,5 @@
 set(CMAKE_CXX_STANDARD 17)
-cmake_minimum_required(VERSION 3.0.0)
+cmake_minimum_required(VERSION 3.5.0)
 project(gtk149_file_exp VERSION 1.0.0)
 
 list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/../../GCR_CMake/macros)
@@ -59,7 +59,7 @@ if(WIN32)
 	set_property(SOURCE ../icon.rc APPEND PROPERTY
         OBJECT_DEPENDS ${PROJECT_SOURCE_DIR}/../icon.ico
         )
-	add_executable(${PROJECT_NAME} WIN32 ${app_WINRC} ${SOURCE_FILE} ${RESOURCE_FILE})
+	add_executable(${PROJECT_NAME} ${app_WINRC} ${SOURCE_FILE} ${RESOURCE_FILE})
     add_custom_command( TARGET ${PROJECT_NAME} 
                         COMMAND echo * > ${CMAKE_BINARY_DIR}/.gitignore
                         COMMAND echo **/* > ${CMAKE_BINARY_DIR}/.hgignore)

Gtk4/gtk149_file_exp3/src/FileColumnView.cpp

@@ -1,4 +1,5 @@
 #include "FileColumnView.h"
+#include "GetFileType.h"
 
 static void setup_fileicon_item(GtkListItemFactory *factory, GtkListItem *item)
 {
@@ -103,7 +104,7 @@ static void listview_activated(GtkColumnView *view, guint position, FileWindow *
     GtkDirectoryList *list = GTK_DIRECTORY_LIST(file_window_get_column_model(win));
 
     // if the file type is directory, open the directory
-    if (g_file_info_get_file_type(info) == G_FILE_TYPE_DIRECTORY)
+    if (check_directory(info))
     {
         // Get the file and set it to the GtkDirectoryList
         GFile *file = G_FILE(g_file_info_get_attribute_object(info, "standard::file"));

Gtk4/gtk149_file_exp3/src/FileGridView.cpp

@@ -1,4 +1,5 @@
 #include "FileGridView.h"
+#include "GetFileType.h"
 
 static void setup_grid_item(GtkListItemFactory *factory, GtkListItem *item)
 {
@@ -63,7 +64,7 @@ static void gridview_activate(GtkGridView *view, guint position, FileWindow *win
     GtkDirectoryList *list = GTK_DIRECTORY_LIST(file_window_get_grid_model(win));
 
     // if the file type is directory, open the directory
-    if (g_file_info_get_file_type(info) == G_FILE_TYPE_DIRECTORY)
+    if (check_directory(info))
     {
         // Get the file and set it to the GtkDirectoryList
         GFile *file = G_FILE(g_file_info_get_attribute_object(info, "standard::file"));

Gtk4/gtk149_file_exp3/src/GetFileType.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <gtk/gtk.h>
+#include <cstring>
+
+// Check the whether the selected file is directory
+// This is a patch for Microsoft Windows
+static inline gboolean check_directory(GFileInfo *info)
+{
+#ifdef _WIN32
+    const char *file_type = g_file_info_get_content_type(info);
+    if(strncmp(file_type, "inode/directory", strlen("inode/directory")) == 0)
+    {
+        return TRUE;
+    }
+#else
+    if(g_file_info_get_file_type(info) == G_FILE_TYPE_DIRECTORY){
+        return TRUE;
+    }
+#endif
+    // Not a directory, return FALSE
+    return FALSE;
+}