build: removed std::filesystem dependency for unix OS's

CMakeLists.txt

@@ -13,6 +13,11 @@ else() # Linux
     add_definitions(-DMV_PLATFORM="linux")
 endif()
 
+if(WIN32)
+else() # Linux
+	add_definitions(-DIMGUI_USER_CONFIG="ImGuiFileDialogConfigUnix.h")
+endif()
+
 # various settings
 add_definitions(
     -D_CRT_SECURE_NO_WARNINGS 

DearPyGui/vendor/ImGuiFileDialog/ImGuiFileDialog.h

@@ -559,7 +559,7 @@ ImGuiFontStudio is using also ImGuiFileDialog.
 #define IMGUIFILEDIALOG_VERSION "v0.6.2"
 
 #ifndef CUSTOM_IMGUIFILEDIALOG_CONFIG
-#include "ImGuiFileDialogConfig.h"
+#include "ImGuiFileDialogConfigWindows.h"
 #else // CUSTOM_IMGUIFILEDIALOG_CONFIG
 #include CUSTOM_IMGUIFILEDIALOG_CONFIG
 #endif // CUSTOM_IMGUIFILEDIALOG_CONFIG

DearPyGui/vendor/ImGuiFileDialog/ImGuiFileDialogConfigUnix.h

@@ -0,0 +1,97 @@
+#pragma once
+
+// uncomment and modify defines under for customize ImGuiFileDialog
+
+//this options need c++17
+//#define USE_STD_FILESYSTEM
+
+//#define MAX_FILE_DIALOG_NAME_BUFFER 1024
+//#define MAX_PATH_BUFFER_SIZE 1024
+
+//#define USE_THUMBNAILS
+//the thumbnail generation use the stb_image and stb_resize lib who need to define the implementation
+//btw if you already use them in your app, you can have compiler error due to "implemntation found in double"
+//so uncomment these line for prevent the creation of implementation of these libs again
+//#define DONT_DEFINE_AGAIN__STB_IMAGE_IMPLEMENTATION
+//#define DONT_DEFINE_AGAIN__STB_IMAGE_RESIZE_IMPLEMENTATION
+//#define IMGUI_RADIO_BUTTON RadioButton
+//#define DisplayMode_ThumbailsList_ImageHeight 32.0f
+//#define tableHeaderFileThumbnailsString "Thumbnails"
+//#define DisplayMode_FilesList_ButtonString "FL"
+//#define DisplayMode_FilesList_ButtonHelp "File List"
+//#define DisplayMode_ThumbailsList_ButtonString "TL"
+//#define DisplayMode_ThumbailsList_ButtonHelp "Thumbnails List"
+// todo
+//#define DisplayMode_ThumbailsGrid_ButtonString "TG"
+//#define DisplayMode_ThumbailsGrid_ButtonHelp "Thumbnails Grid"
+
+
+//#define USE_EXPLORATION_BY_KEYS
+// this mapping by default is for GLFW but you can use another
+//#include <GLFW/glfw3.h> 
+// Up key for explore to the top
+//#define IGFD_KEY_UP GLFW_KEY_UP
+// Down key for explore to the bottom
+//#define IGFD_KEY_DOWN GLFW_KEY_DOWN
+// Enter key for open directory
+//#define IGFD_KEY_ENTER GLFW_KEY_ENTER
+// BackSpace for comming back to the last directory
+//#define IGFD_KEY_BACKSPACE GLFW_KEY_BACKSPACE
+
+// by ex you can quit the dialog by pressing the key excape
+//#define USE_DIALOG_EXIT_WITH_KEY
+//#define IGFD_EXIT_KEY GLFW_KEY_ESCAPE
+
+// widget
+// filter combobox width
+//#define FILTER_COMBO_WIDTH 120.0f
+// button widget use for compose path
+//#define IMGUI_PATH_BUTTON ImGui::Button
+// standard button
+//#define IMGUI_BUTTON ImGui::Button
+
+// locales string
+//#define createDirButtonString "+"
+//#define okButtonString " OK"
+//#define cancelButtonString " Cancel"
+//#define resetButtonString "R"
+//#define drivesButtonString "Drives"
+//#define editPathButtonString "E"
+//#define searchString "Search"
+//#define dirEntryString "[DIR] "
+//#define linkEntryString "[LINK] "
+//#define fileEntryString "[FILE] "
+//#define fileNameString "File Name : "
+//#define dirNameString "Directory Path :"
+//#define buttonResetSearchString "Reset search"
+//#define buttonDriveString "Drives"
+//#define buttonEditPathString "Edit path\nYou can also right click on path buttons"
+//#define buttonResetPathString "Reset to current directory"
+//#define buttonCreateDirString "Create Directory"
+//#define OverWriteDialogTitleString "The file Already Exist !"
+//#define OverWriteDialogMessageString "Would you like to OverWrite it ?"
+//#define OverWriteDialogConfirmButtonString "Confirm"
+//#define OverWriteDialogCancelButtonString "Cancel"
+
+// DateTimeFormat
+// see strftime functionin <ctime> for customize
+// "%Y/%m/%d %H:%M" give 2021:01:22 11:47
+// "%Y/%m/%d %i:%M%p" give 2021:01:22 11:45PM
+//#define DateTimeFormat "%Y/%m/%d %i:%M%p"
+
+// theses icons will appear in table headers
+//#define USE_CUSTOM_SORTING_ICON
+//#define tableHeaderAscendingIcon "A|"
+//#define tableHeaderDescendingIcon "D|"
+//#define tableHeaderFileNameString " File name"
+//#define tableHeaderFileTypeString " Type"
+//#define tableHeaderFileSizeString " Size"
+//#define tableHeaderFileDateTimeString " Date"
+
+//#define USE_BOOKMARK
+//#define bookmarkPaneWith 150.0f
+//#define IMGUI_TOGGLE_BUTTON ToggleButton
+//#define bookmarksButtonString "Bookmark"
+//#define bookmarksButtonHelpString "Bookmark"
+//#define addBookmarkButtonString "+"
+//#define removeBookmarkButtonString "-"