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https://github.com/AirGuanZ/imgui-filebrowser

File browser implementation for dear-imgui. C++17 is required.
https://github.com/AirGuanZ/imgui-filebrowser

dear-imgui imgui imgui-filebrowser

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File browser implementation for dear-imgui. C++17 is required.

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README

        

# imgui-filebrowser

[imgui-filebrowser](https://github.com/AirGuanZ/imgui-filebrowser) is a header-only file browser implementation for [dear-imgui](https://github.com/ocornut/imgui). C++ 17 is required.

![IMG](./screenshots/0.png)

## Getting Started

`imfilebrowser.h` should be included after `imgui.h`:

```cpp
#include
#include
```

Instead of creating a file dialog with an immediate function call, you need to create a `ImGui::FileBrowser` instance, open it with member function `Open()`, and call `Display()` in each frame. Here is a simple example:

```cpp
#include
#include

int main()
{
//...initialize rendering window and imgui

// create a file browser instance
ImGui::FileBrowser fileDialog;

// (optional) set browser properties
fileDialog.SetTitle("title");
fileDialog.SetTypeFilters({ ".h", ".cpp" });

// mainloop
while(continueRendering)
{
//...do other stuff like ImGui::NewFrame();

if(ImGui::Begin("dummy window"))
{
// open file dialog when user clicks this button
if(ImGui::Button("open file dialog"))
fileDialog.Open();
}
ImGui::End();

fileDialog.Display();

if(fileDialog.HasSelected())
{
std::cout << "Selected filename" << fileDialog.GetSelected().string() << std::endl;
fileDialog.ClearSelected();
}

//...do other stuff like ImGui::Render();
}

//...shutdown
}
```

## Options

Various options can be combined with '|' and passed to the constructor:

```cpp
enum ImGuiFileBrowserFlags_
{
ImGuiFileBrowserFlags_SelectDirectory = 1 << 0, // select directory instead of regular file
ImGuiFileBrowserFlags_EnterNewFilename = 1 << 1, // allow user to enter new filename when selecting regular file
ImGuiFileBrowserFlags_NoModal = 1 << 2, // file browsing window is modal by default. specify this to use a popup window
ImGuiFileBrowserFlags_NoTitleBar = 1 << 3, // hide window title bar
ImGuiFileBrowserFlags_NoStatusBar = 1 << 4, // hide status bar at the bottom of browsing window
ImGuiFileBrowserFlags_CloseOnEsc = 1 << 5, // close file browser when pressing 'ESC'
ImGuiFileBrowserFlags_CreateNewDir = 1 << 6, // allow user to create new directory
ImGuiFileBrowserFlags_MultipleSelection = 1 << 7, // allow user to select multiple files. this will hide ImGuiFileBrowserFlags_EnterNewFilename
ImGuiFileBrowserFlags_HideRegularFiles = 1 << 8, // hide regular files when ImGuiFileBrowserFlags_SelectDirectory is enabled
ImGuiFileBrowserFlags_ConfirmOnEnter = 1 << 9, // confirm selection when pressnig 'ENTER'
ImGuiFileBrowserFlags_SkipItemsCausingError = 1 << 10, // when entering a new directory, any error will interrupt the process, causing the file browser to fall back to the working directory.
// with this flag, if an error is caused by a specific item in the directory, that item will be skipped, allowing the process to continue.
ImGuiFileBrowserFlags_EditPathString = 1 << 11, // allow user to directly edit the whole path string
};
```

When `ImGuiFileBrowserFlags_MultipleSelection` is enabled, use `fileBrowser.GetMultiSelected()` to get all selected filenames (instead of `fileBrowser.GetSelected()`, which returns only one of them).

Here are some common examples:

```cpp
// (default) select single regular file for opening
0
// select multiple regular files for opening
ImGuiFileBrowserFlags_MultipleSelection
// select single directory for opening
ImGuiFileBrowserFlags_SelectDirectory
// select multiple directories for opening
ImGuiFileBrowserFlags_SelectDirectory | ImGuiFileBrowserFlags_MultipleSelection
// select single regular file for saving
ImGuiFileBrowserFlags_EnterNewFilename | ImGuiFileBrowserFlags_CreateNewDir
// select single directory for saving
ImGuiFileBrowserFlags_SelectDirectory | ImGuiFileBrowserFlags_CreateNewDir
// select single directory and hide regular files in browser
ImGuiFileBrowserFlags_SelectDirectory | ImGuiFileBrowserFlags_HideRegularFiles
```

## Usage

* When `ImGuiFileBrowserFlags_EditPathString` is set, click the top-right button `#` to directly edit the current directory.
* Click the top-right button `*` to refresh.
* Double click to enter a directory.
* Single click to (de)select a regular file (or directory, if `ImGuiFileBrowserFlags_SelectDirectory` is enabled).
* When `ImGuiFileBrowserFlags_SelectDirectory` is enabled and no item is selected, click `ok` to choose the current directory as selected result.
* When `ImGuiFileBrowserFlags_MultipleSelection` is enabled, hold `Ctrl` for multi selection and `Shift` for range selection.
* When `ImGuiFileBrowserFlags_MultipleSelection` is enabled, use `Ctrl + A` to select all (filtered) items.
* When `ImGuiFileBrowserFlags_CreateNewDir` is enabled, click the top-right button `+` to create a new directory.
* When `ImGuiFileBrowserFlags_SelectDirectory` is not specified, double click to choose a regular file as selected result.

## Type Filters

* Use `SetTypeFilters({".h", ".cpp"})` to set file extension filters.
* `.*` matches with any extension
* Filters are case-insensitive on Windows platform

## Note

The filebrowser implementation queries drive list via Win32 API (only on Windows). Thus `` is included in ``, which may pollute the global namespace. This can be solved by simply moving the `GetDrivesBitMask()` definition into a cpp file.