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EGameTools/EGameTools/source/ImGui/ImGuiFileDialog/ImGuiFileDialog.h
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#pragma once
#pragma warning(disable : 4251)
#pragma region IGFD LICENSE
/*
MIT License
Copyright (c) 2018-2023 Stephane Cuillerdier (aka aiekick)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#pragma endregion
#pragma region IGFD DOCUMENTATION
/*
// generated with "Text to ASCII Art Generator (TAAG)"
// https://patorjk.com/software/taag/#p=display&h=1&v=0&f=Big&t=ImGuiFileDialog%0Av0.6.5
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|_ _| / ____| (_) ____(_) | | __ \(_) | |
| | _ __ ___ | | __ _ _ _| |__ _| | ___| | | |_ __ _| | ___ __ _
| | | '_ ` _ \| | |_ | | | | | __| | | |/ _ \ | | | |/ _` | |/ _ \ / _` |
_| |_| | | | | | |__| | |_| | | | | | | __/ |__| | | (_| | | (_) | (_| |
|_____|_| |_| |_|\_____|\__,_|_|_| |_|_|\___|_____/|_|\__,_|_|\___/ \__, |
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/ _ \ / / / /
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\ \ / /| | | | | '_ \ | '_ \
\ V / | |_| |_| (_) |_| (_) |
\_/ \___/(_)\___/(_)\___/
github repo : https://github.com/aiekick/ImGuiFileDialog
this section is the content of the ReadMe.md file
# ImGuiFileDialog
## Purpose
ImGuiFileDialog is a file selection dialog built for (and using only) [Dear ImGui](https://github.com/ocornut/imgui).
My primary goal was to have a custom pane with widgets according to file extension. This was not possible using other
solutions.
## ImGui Supported Version
ImGuiFileDialog follow the master and docking branch of ImGui . currently ImGui 1.89.7 WIP
## Structure
* The library is in [Lib_Only branch](https://github.com/aiekick/ImGuiFileDialog/tree/Lib_Only)
* A demo app can be found the [master branch](https://github.com/aiekick/ImGuiFileDialog/tree/master)
This library is designed to be dropped into your source code rather than compiled separately.
From your project directory:
```
mkdir lib <or 3rdparty, or externals, etc.>
cd lib
git clone https://github.com/aiekick/ImGuiFileDialog.git
git checkout Lib_Only
```
These commands create a `lib` directory where you can store any third-party dependencies used in your project, downloads
the ImGuiFileDialog git repository and checks out the Lib_Only branch where the actual library code is located.
Add `lib/ImGuiFileDialog/ImGuiFileDialog.cpp` to your build system and include
`lib/ImGuiFileDialog/ImGuiFileDialog.h` in your source code. ImGuiFileLib will compile with and be included directly in
your executable file.
If, for example, your project uses cmake, look for a line like `add_executable(my_project_name main.cpp)`
and change it to `add_executable(my_project_name lib/ImGuiFileDialog/ImGuiFileDialog.cpp main.cpp)`. This tells the
compiler where to find the source code declared in `ImGuiFileDialog.h` which you included in your own source code.
## Requirements:
You must also, of course, have added [Dear ImGui](https://github.com/ocornut/imgui) to your project for this to work at
all.
[dirent v1.23](https://github.com/tronkko/dirent/tree/v1.23) is required to use ImGuiFileDialog under Windows. It is
included in the Lib_Only branch for your convenience.
################################################################
## Features
################################################################
- C Api (succesfully tested with CimGui)
- Separate system for call and display
- Can have many function calls with different parameters for one display function, for example
- Can create a custom pane with any widgets via function binding
- This pane can block the validation of the dialog
- Can also display different things according to current filter and UserDatas
- Advanced file style for file/dir/link coloring / icons / font
- predefined form or user custom form by lambda function (the lambda mode is not available for the C API)
- Multi-selection (ctrl/shift + click) :
- 0 => Infinite
- 1 => One file (default)
- n => n files
- Compatible with MacOs, Linux, Windows
- Windows version can list drives
- Supports modal or standard dialog types
- Select files or directories
- Filter groups and custom filter names
- can ignore filter Case for file searching
- Keyboard navigation (arrows, backspace, enter)
- Exploring by entering characters (case insensitive)
- Directory bookmarks
- Directory manual entry (right click on any path element)
- Optional 'Confirm to Overwrite" dialog if file exists
- Thumbnails Display (agnostic way for compatibility with any backend, sucessfully tested with OpenGl and Vulkan)
- The dialog can be embedded in another user frame than the standard or modal dialog
- Can tune validation buttons (placements, widths, inversion)
- Can quick select a parrallel directory of a path, in the path composer (when you clikc on a / you have a popup)
- regex support for filters, collection of filters and filestyle (the regex is recognized when between (( and )) in a filter)
- multi layer extentions like : .a.b.c .json.cpp .vcxproj.filters etc..
- advanced behavior regarding asterisk based filter. like : .* .*.* .vcx.* .*.filters .vcs*.filt.* etc.. (internally regex is used)
- result modes GetFilePathName, GetFileName and GetSelection (overwrite file ext, keep file, add ext if no user ext exist)
################################################################
## Filter format
################################################################
A filter is recognized only if he respects theses rules :
0) a filter must have 2 chars mini and the first must be a .
1) a regex must be in (( and ))
2) a , will separate filters except if between a ( and )
3) name{filter1, filter2} is a special form for collection filters
3.1) the name can be composed of what you want except { and }
3.2) a filter can be a regex
4) the filters cannot integrate these chars '(' ')' '{' '}' ' ' except for a regex with respect to rule 1)
5) the filters cannot integrate a ','
################################################################
## Singleton Pattern vs. Multiple Instances
################################################################
### Single Dialog :
If you only need to display one file dialog at a time, use ImGuiFileDialog's singleton pattern to avoid explicitly
declaring an object:
```cpp
ImGuiFileDialog::Instance()->method_of_your_choice();
```
### Multiple Dialogs :
If you need to have multiple file dialogs open at once, declare each dialog explicity:
```cpp
ImGuiFileDialog instance_a;
instance_a.method_of_your_choice();
ImGuiFileDialog instance_b;
instance_b.method_of_your_choice();
```
################################################################
## Simple Dialog :
################################################################
```cpp
void drawGui()
{
// open Dialog Simple
if (ImGui::Button("Open File Dialog"))
ImGuiFileDialog::Instance()->OpenDialog("ChooseFileDlgKey", "Choose File", ".cpp,.h,.hpp", ".");
// display
if (ImGuiFileDialog::Instance()->Display("ChooseFileDlgKey"))
{
// action if OK
if (ImGuiFileDialog::Instance()->IsOk())
{
std::string filePathName = ImGuiFileDialog::Instance()->GetFilePathName();
std::string filePath = ImGuiFileDialog::Instance()->GetCurrentPath();
// action
}
// close
ImGuiFileDialog::Instance()->Close();
}
}
```
![alt text](https://github.com/aiekick/ImGuiFileDialog/blob/master/doc/dlg_simple.gif)
################################################################
## Modal dialog :
################################################################
you have now a flag for open modal dialog :
```cpp
ImGuiFileDialogFlags_Modal
```
you can use it like that :
```cpp
ImGuiFileDialog::Instance()->OpenDialog("ChooseFileDlgKey", "Choose File", ".cpp,.h,.hpp",
".", 1, nullptr, ImGuiFileDialogFlags_Modal);
```
################################################################
## Directory Chooser :
################################################################
To have a directory chooser, set the file extension filter to nullptr:
```cpp
ImGuiFileDialog::Instance()->OpenDialog("ChooseDirDlgKey", "Choose a Directory", nullptr, ".");
```
In this mode you can select any directory with one click and open a directory with a double-click.
![directoryChooser](https://github.com/aiekick/ImGuiFileDialog/blob/master/doc/directoryChooser.gif)
################################################################
## Dialog with Custom Pane :
################################################################
The signature of the custom pane callback is:
### for C++ :
```cpp
void(const char *vFilter, IGFDUserDatas vUserDatas, bool *vCantContinue)
```
### for C :
```c
void(const char *vFilter, void* vUserDatas, bool *vCantContinue)
```
### Example :
```cpp
static bool canValidateDialog = false;
inline void InfosPane(cosnt char *vFilter, IGFDUserDatas vUserDatas, bool *vCantContinue) // if vCantContinue is false, the user cant validate the dialog
{
ImGui::TextColored(ImVec4(0, 1, 1, 1), "Infos Pane");
ImGui::Text("Selected Filter : %s", vFilter.c_str());
if (vUserDatas)
ImGui::Text("UserDatas : %s", vUserDatas);
ImGui::Checkbox("if not checked you cant validate the dialog", &canValidateDialog);
if (vCantContinue)
*vCantContinue = canValidateDialog;
}
void drawGui()
{
// open Dialog with Pane
if (ImGui::Button("Open File Dialog with a custom pane"))
ImGuiFileDialog::Instance()->OpenDialog("ChooseFileDlgKey", "Choose File", ".cpp,.h,.hpp",
".", "", std::bind(&InfosPane, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3), 350, 1, UserDatas("InfosPane"));
// display and action if ok
if (ImGuiFileDialog::Instance()->Display("ChooseFileDlgKey"))
{
if (ImGuiFileDialog::Instance()->IsOk())
{
std::string filePathName = ImGuiFileDialog::Instance()->GetFilePathName();
std::string filePath = ImGuiFileDialog::Instance()->GetCurrentPath();
std::string filter = ImGuiFileDialog::Instance()->GetCurrentFilter();
// here convert from string because a string was passed as a userDatas, but it can be what you want
std::string userDatas;
if (ImGuiFileDialog::Instance()->GetUserDatas())
userDatas = std::string((const char*)ImGuiFileDialog::Instance()->GetUserDatas());
auto selection = ImGuiFileDialog::Instance()->GetSelection(); // multiselection
// action
}
// close
ImGuiFileDialog::Instance()->Close();
}
}
```
![alt text](https://github.com/aiekick/ImGuiFileDialog/blob/master/doc/doc/dlg_with_pane.gif)
################################################################
## File Style : Custom icons and colors by extension
################################################################
You can define style for files/dirs/links in many ways :
the style can be colors, icons and fonts
the general form is :
```cpp
ImGuiFileDialog::Instance()->SetFileStyle(styleType, criteria, color, icon, font);
```
### Predefined Form :
styleType can be thoses :
```cpp
IGFD_FileStyleByTypeFile // define style for all files
IGFD_FileStyleByTypeDir // define style for all dir
IGFD_FileStyleByTypeLink // define style for all link
IGFD_FileStyleByExtention // define style by extention, for files or links
IGFD_FileStyleByFullName // define style for particular file/dir/link full name (filename + extention)
IGFD_FileStyleByContainedInFullName // define style for file/dir/link when criteria is contained in full name
```
### Lambda Function Form :
You can define easily your own style include your own detection by using lambda function :
** To note, this mode is not available with the C API **
this lamba will treat a file and return a shared pointer of your files style
see in action a styling of all files and dir starting by a dot
this lambda input a FileInfos and output a FileStyle
return true if a FileStyle was defined
```cpp
ImGuiFileDialog::Instance()->SetFileStyle([](const IGFD::FileInfos& vFile, IGFD::FileStyle &vOutStyle) -> bool {
if (!vFile.fileNameExt.empty() && vFile.fileNameExt[0] == '.') {
vOutStyle = IGFD::FileStyle(ImVec4(0.0f, 0.9f, 0.9f, 1.0f), ICON_IGFD_REMOVE);
return true;
}
return false;
});
```
see sample app for the code in action
### Samples :
ImGuiFileDialog accepts icon font macros as well as text tags for file types.
[ImGuIFontStudio](https://github.com/aiekick/ImGuiFontStudio) is useful here. I wrote it to make it easy to create
custom icon sets for use with Dear ImGui.
It is inspired by [IconFontCppHeaders](https://github.com/juliettef/IconFontCppHeaders), which can also be used with
ImGuiFileDialog.
samples :
```cpp
// define style by file extention and Add an icon for .png files
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtention, ".png", ImVec4(0.0f, 1.0f, 1.0f, 0.9f), ICON_IGFD_FILE_PIC, font1);
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtention, ".gif", ImVec4(0.0f, 1.0f, 0.5f, 0.9f), "[GIF]");
// define style for all directories
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeDir, "", ImVec4(0.5f, 1.0f, 0.9f, 0.9f), ICON_IGFD_FOLDER);
// can be for a specific directory
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeDir, ".git", ImVec4(0.5f, 1.0f, 0.9f, 0.9f), ICON_IGFD_FOLDER);
// define style for all files
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeFile, "", ImVec4(0.5f, 1.0f, 0.9f, 0.9f), ICON_IGFD_FILE);
// can be for a specific file
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeFile, ".git", ImVec4(0.5f, 1.0f, 0.9f, 0.9f), ICON_IGFD_FILE);
// define style for all links
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeLink, "", ImVec4(0.5f, 1.0f, 0.9f, 0.9f));
// can be for a specific link
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeLink, "Readme.md", ImVec4(0.5f, 1.0f, 0.9f, 0.9f));
// define style for any files/dirs/links by fullname
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByFullName, "doc", ImVec4(0.9f, 0.2f, 0.0f, 0.9f), ICON_IGFD_FILE_PIC);
// define style by file who are containing this string
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByContainedInFullName, ".git", ImVec4(0.9f, 0.2f, 0.0f, 0.9f), ICON_IGFD_BOOKMARK);
all of theses can be miwed with IGFD_FileStyleByTypeDir / IGFD_FileStyleByTypeFile / IGFD_FileStyleByTypeLink
like theses by ex :
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeDir | IGFD_FileStyleByContainedInFullName, ".git", ImVec4(0.9f, 0.2f, 0.0f, 0.9f), ICON_IGFD_BOOKMARK);
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeFile | IGFD_FileStyleByFullName, "cmake", ImVec4(0.5f, 0.8f, 0.5f, 0.9f), ICON_IGFD_SAVE);
// for all these,s you can use a regex
// ex for color files like Custom*.h
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByFullName, "((Custom.+[.]h))", ImVec4(0.0f, 1.0f, 1.0f, 0.9f), ICON_IGFD_FILE_PIC, font1);
// lambda function
// set file style with a lambda function
// return true is a file style was defined
ImGuiFileDialog::Instance()->SetFileStyle([](const IGFD::FileInfos& vFile, IGFD::FileStyle &vOutStyle) -> bool {
if (!vFile.fileNameExt.empty() && vFile.fileNameExt[0] == '.') {
vOutStyle = IGFD::FileStyle(ImVec4(0.0f, 0.9f, 0.9f, 1.0f), ICON_IGFD_REMOVE);
return true;
}
return false;
});
```
this sample code of [master/main.cpp](https://github.com/aiekick/ImGuiFileDialog/blob/master/main.cpp) produce the picture above :
```cpp
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtention, ".cpp", ImVec4(1.0f, 1.0f, 0.0f, 0.9f));
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtention, ".h", ImVec4(0.0f, 1.0f, 0.0f, 0.9f));
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtention, ".hpp", ImVec4(0.0f, 0.0f, 1.0f, 0.9f));
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtention, ".md", ImVec4(1.0f, 0.0f, 1.0f, 0.9f));
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtention, ".png", ImVec4(0.0f, 1.0f, 1.0f, 0.9f), ICON_IGFD_FILE_PIC); // add an icon for the filter type
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtention, ".gif", ImVec4(0.0f, 1.0f, 0.5f, 0.9f), "[GIF]"); // add an text for a filter type
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeDir, nullptr, ImVec4(0.5f, 1.0f, 0.9f, 0.9f), ICON_IGFD_FOLDER); // for all dirs
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeFile, "CMakeLists.txt", ImVec4(0.1f, 0.5f, 0.5f, 0.9f), ICON_IGFD_ADD);
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByFullName, "doc", ImVec4(0.9f, 0.2f, 0.0f, 0.9f), ICON_IGFD_FILE_PIC);
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeDir | IGFD_FileStyleByContainedInFullName, ".git", ImVec4(0.9f, 0.2f, 0.0f, 0.9f), ICON_IGFD_BOOKMARK);
ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeFile | IGFD_FileStyleByContainedInFullName, ".git", ImVec4(0.5f, 0.8f, 0.5f, 0.9f), ICON_IGFD_SAVE);
```
![alt text](https://github.com/aiekick/ImGuiFileDialog/blob/master/doc/color_filter.png)
################################################################
## Filter Collections
################################################################
You can define a custom filter name that corresponds to a group of filters using this syntax:
```custom_name1{filter1,filter2,filter3},custom_name2{filter1,filter2},filter1```
When you select custom_name1, filters 1 to 3 will be applied. The characters `{` and `}` are reserved. Don't use them
for filter names.
this code :
```cpp
const char *filters = "Source files (*.cpp *.h *.hpp){.cpp,.h,.hpp},Image files (*.png *.gif *.jpg *.jpeg){.png,.gif,.jpg,.jpeg},.md";
ImGuiFileDialog::Instance()->OpenDialog("ChooseFileDlgKey", ICON_IMFDLG_FOLDER_OPEN " Choose a File", filters, ".");
```
will produce :
![alt text](https://github.com/aiekick/ImGuiFileDialog/blob/master/doc/filters.gif)
################################################################
## Multi Selection
################################################################
You can define in OpenDialog call the count file you want to select :
- 0 => infinite
- 1 => one file only (default)
- n => n files only
See the define at the end of these funcs after path.
```cpp
ImGuiFileDialog::Instance()->OpenDialog("ChooseFileDlgKey", "Choose File", ".*,.cpp,.h,.hpp", ".");
ImGuiFileDialog::Instance()->OpenDialog("ChooseFileDlgKey", "Choose 1 File", ".*,.cpp,.h,.hpp", ".", 1);
ImGuiFileDialog::Instance()->OpenDialog("ChooseFileDlgKey", "Choose 5 File", ".*,.cpp,.h,.hpp", ".", 5);
ImGuiFileDialog::Instance()->OpenDialog("ChooseFileDlgKey", "Choose many File", ".*,.cpp,.h,.hpp", ".", 0);
ImGuiFileDialog::Instance()->OpenDialog("ChooseFileDlgKey", "Choose File", ".png,.jpg",
".", "", std::bind(&InfosPane, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3), 350, 1, "SaveFile"); // 1 file
```
![alt text](https://github.com/aiekick/ImGuiFileDialog/blob/master/doc/multiSelection.gif)
################################################################
## File Dialog Constraints
################################################################
You can set the minimum and/or maximum size of the dialog:
```cpp
ImVec2 maxSize = ImVec2((float)display_w, (float)display_h); // The full display area
ImVec2 minSize = maxSize * 0.5f; // Half the display area
ImGuiFileDialog::Instance()->Display("ChooseFileDlgKey", ImGuiWindowFlags_NoCollapse, minSize, maxSize);
```
![alt text](https://github.com/aiekick/ImGuiFileDialog/blob/master/doc/dialog_constraints.gif)
################################################################
## Exploring by keys
################################################################
You can activate this feature by uncommenting `#define USE_EXPLORATION_BY_KEYS`
in your custom config file (CustomImGuiFileDialogConfig.h)
You can also uncomment the next lines to define navigation keys:
* IGFD_KEY_UP => Up key for explore to the top
* IGFD_KEY_DOWN => Down key for explore to the bottom
* IGFD_KEY_ENTER => Enter key for open directory
* IGFD_KEY_BACKSPACE => BackSpace for comming back to the last directory
You can also jump to a point in the file list by pressing the corresponding key of the first filename character.
![alt text](https://github.com/aiekick/ImGuiFileDialog/blob/master/doc/explore_ny_keys.gif)
As you see the current item is flashed by default for 1 second. You can define the flashing lifetime with the function
```cpp
ImGuiFileDialog::Instance()->SetFlashingAttenuationInSeconds(1.0f);
```
################################################################
## Bookmarks
################################################################
You can create/edit/call path bookmarks and load/save them.
Activate this feature by uncommenting: `#define USE_BOOKMARK` in your custom config file (CustomImGuiFileDialogConfig.h)
More customization options:
```cpp
#define bookmarkPaneWith 150.0f => width of the bookmark pane
#define IMGUI_TOGGLE_BUTTON ToggleButton => customize the Toggled button (button stamp must be : (const char* label, bool *toggle)
#define bookmarksButtonString "Bookmark" => the text in the toggle button
#define bookmarksButtonHelpString "Bookmark" => the helper text when mouse over the button
#define addBookmarkButtonString "+" => the button for add a bookmark
#define removeBookmarkButtonString "-" => the button for remove the selected bookmark
```
* You can select each bookmark to edit the displayed name corresponding to a path
* Double-click on the label to apply the bookmark
![bookmarks.gif](https://github.com/aiekick/ImGuiFileDialog/blob/master/doc/bookmarks.gif)
You can also serialize/deserialize bookmarks (for example to load/save from/to a file):
```cpp
Load => ImGuiFileDialog::Instance()->DeserializeBookmarks(bookmarString);
Save => std::string bookmarkString = ImGuiFileDialog::Instance()->SerializeBookmarks();
```
(please see example code for details)
you can also add/remove bookmark by code :
and in this case, you can also avoid serialization of code based bookmark
```cpp
Add => ImGuiFileDialog::Instance()->AddBookmark(bookmark_name, bookmark_path);
Remove => ImGuiFileDialog::Instance()->RemoveBookmark(bookmark_name);
Save => std::string bookmarkString = ImGuiFileDialog::Instance()->SerializeBookmarks(true); // true for prevent serialization of code based bookmarks
```
################################################################
## Path Edition :
################################################################
Right clicking on any path element button allows the user to manually edit the path from that portion of the tree.
Pressing the completion key (GLFW uses `enter` by default) validates the new path. Pressing the cancel key (GLFW
uses`escape` by default) cancels the manual entry and restores the original path.
Here's the manual entry operation in action:
![inputPathEdition.gif](https://github.com/aiekick/ImGuiFileDialog/blob/master/doc/inputPathEdition.gif)
################################################################
## Confirm Overwrite Dialog :
################################################################
If you want avoid overwriting files after selection, ImGuiFileDialog can show a dialog to confirm or cancel the
operation.
To do so, define the flag ImGuiFileDialogFlags_ConfirmOverwrite in your call to OpenDialog.
By default this flag is not set since there is no pre-defined way to define if a dialog will be for Open or Save
behavior. (by design! :) )
Example code For Standard Dialog :
```cpp
ImGuiFileDialog::Instance()->OpenDialog("ChooseFileDlgKey",
ICON_IGFD_SAVE " Choose a File", filters,
".", "", 1, nullptr, ImGuiFileDialogFlags_ConfirmOverwrite);
```
Example code For Modal Dialog :
```cpp
ImGuiFileDialog::Instance()->OpenDialog("ChooseFileDlgKey",
ICON_IGFD_SAVE " Choose a File", filters,
".", "", 1, nullptr, ImGuiFileDialogFlags_Modal | ImGuiFileDialogFlags_ConfirmOverwrite);
```
This dialog will only verify the file in the file field, not with `GetSelection()`.
The confirmation dialog will be a non-movable modal (input blocking) dialog displayed in the middle of the current
ImGuiFileDialog window.
As usual, you can customize the dialog in your custom config file (CustomImGuiFileDialogConfig.h in this example)
Uncomment these line for customization options:
```cpp
//#define OverWriteDialogTitleString "The file Already Exist !"
//#define OverWriteDialogMessageString "Would you like to OverWrite it ?"
//#define OverWriteDialogConfirmButtonString "Confirm"
//#define OverWriteDialogCancelButtonString "Cancel"
```
See the result :
![ConfirmToOverWrite.gif](https://github.com/aiekick/ImGuiFileDialog/blob/master/doc/ConfirmToOverWrite.gif)
################################################################
## Open / Save dialog Behavior :
################################################################
ImGuiFileDialog uses the same code internally for Open and Save dialogs. To distinguish between them access the various
data return functions depending on what the dialog is doing.
When selecting an existing file (for example, a Load or Open dialog), use
```cpp
std::map<std::string, std::string> GetSelection(); // Returns selection via a map<FileName, FilePathName>
UserDatas GetUserDatas(); // Get user data provided by the Open dialog
```
To selecting a new file (for example, a Save As... dialog), use:
```cpp
std::string GetFilePathName(); // Returns the content of the selection field with current file extension and current path
std::string GetCurrentFileName(); // Returns the content of the selection field with current file extension but no path
std::string GetCurrentPath(); // Returns current path only
std::string GetCurrentFilter(); // The file extension
```
################################################################
## Thumbnails Display
################################################################
You can now, display thumbnails of pictures.
![thumbnails.gif](https://github.com/aiekick/ImGuiFileDialog/blob/master/doc/thumbnails.gif)
The file resize use stb/image so the following files extentions are supported :
* .png (tested sucessfully)
* .bmp (tested sucessfully)
* .tga (tested sucessfully)
* .jpg (tested sucessfully)
* .jpeg (tested sucessfully)
* .gif (tested sucessfully_ but not animation just first frame)
* .psd (not tested)
* .pic (not tested)
* .ppm (not tested)
* .pgm (not tested)
Corresponding to your backend (ex : OpenGl) you need to define two callbacks :
* the first is a callback who will be called by ImGuiFileDialog for create the backend texture
* the second is a callback who will be called by ImGuiFileDialog for destroy the backend texture
After that you need to call the function who is responsible to create / destroy the textures.
this function must be called in your GPU Rendering zone for avoid destroying of used texture.
if you do that at the same place of your imgui code, some backend can crash your app, by ex with vulkan.
To Clarify :
This feature is spliited in two zones :
- CPU Zone : for load/destroy picture file
- GPU Zone : for load/destroy gpu textures.
This modern behavior for avoid destroying of used texture,
was needed for vulkan.
This feature was Successfully tested on my side with Opengl and Vulkan.
But im sure is perfectly compatible with other modern apis like DirectX and Metal
ex, for opengl :
```cpp
// Create thumbnails texture
ImGuiFileDialog::Instance()->SetCreateThumbnailCallback([](IGFD_Thumbnail_Info *vThumbnail_Info) -> void
{
if (vThumbnail_Info &&
vThumbnail_Info->isReadyToUpload &&
vThumbnail_Info->textureFileDatas)
{
GLuint textureId = 0;
glGenTextures(1, &textureId);
vThumbnail_Info->textureID = (void*)textureId;
glBindTexture(GL_TEXTURE_2D, textureId);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
(GLsizei)vThumbnail_Info->textureWidth, (GLsizei)vThumbnail_Info->textureHeight,
0, GL_RGBA, GL_UNSIGNED_BYTE, vThumbnail_Info->textureFileDatas);
glFinish();
glBindTexture(GL_TEXTURE_2D, 0);
delete[] vThumbnail_Info->textureFileDatas;
vThumbnail_Info->textureFileDatas = nullptr;
vThumbnail_Info->isReadyToUpload = false;
vThumbnail_Info->isReadyToDisplay = true;
}
});
```
```cpp
// Destroy thumbnails texture
ImGuiFileDialog::Instance()->SetDestroyThumbnailCallback([](IGFD_Thumbnail_Info* vThumbnail_Info)
{
if (vThumbnail_Info)
{
GLuint texID = (GLuint)vThumbnail_Info->textureID;
glDeleteTextures(1, &texID);
glFinish();
}
});
```
```cpp
// GPU Rendering Zone // To call for Create/ Destroy Textures
ImGuiFileDialog::Instance()->ManageGPUThumbnails();
```
################################################################
## Embedded in other frames :
################################################################
The dialog can be embedded in another user frame than the standard or modal dialog
You have to create a variable of type ImGuiFileDialog. (if you are suing the singleton, you will not have the possibility to open other dialog)
ex :
```cpp
ImGuiFileDialog fileDialog;
// open dialog; in this case, Bookmark, directory creation are disabled with, and also the file input field is readonly.
// btw you can od what you want
fileDialog.OpenDialog("embedded", "Select File", ".*", "", -1, nullptr,
ImGuiFileDialogFlags_NoDialog |
ImGuiFileDialogFlags_DisableBookmarkMode |
ImGuiFileDialogFlags_DisableCreateDirectoryButton |
ImGuiFileDialogFlags_ReadOnlyFileNameField);
// then display, here
// to note, when embedded the ImVec2(0,0) (MinSize) do nothing, only the ImVec2(0,350) (MaxSize) can size the dialog frame
fileDialog.Display("embedded", ImGuiWindowFlags_NoCollapse, ImVec2(0,0), ImVec2(0,350)))
```
the result :
![Embedded.gif](https://github.com/aiekick/ImGuiFileDialog/blob/master/doc/Embedded.gif)
################################################################
## Quick Parallel Path Selection in Path Composer
################################################################
you have a separator between two directories in the path composer
when you click on it you can explore a list of parrallels directories of this point
this feature is disabled by default
you can enable it with the compiler flag : flags
you can also customize the spacing between path button's with and without this mode
you can do that by define the compiler flag : #define CUSTOM_PATH_SPACING 2
if undefined the spacing is defined by the imgui theme
![quick_composer_path_select.gif](https://github.com/aiekick/ImGuiFileDialog/blob/master/doc/quick_composer_path_select.gif)
################################################################
## Case Insensitive Filtering
################################################################
you can use this flag 'ImGuiFileDialogFlags_CaseInsensitiveExtention' when you call the display function
```
by ex :
if the flag ImGuiFileDialogFlags_CaseInsensitiveExtention is used
with filters like .jpg or .Jpg or .JPG
all files with extentions by ex : .jpg and .JPG will be displayed
```
################################################################
## Tune the validations button group
################################################################
You can specify :
- the width of "ok" and "cancel" buttons, by the set the defines "okButtonWidth" and "cancelButtonWidth"
- the alignement of the button group (left, right, middle, etc..) by set the define "okCancelButtonAlignement"
- if you want to have the ok button on the left and cancel button on the right or inverted by set the define "invertOkAndCancelButtons"
just see theses defines in the config file
```cpp
//Validation buttons
//#define okButtonString " OK"
//#define okButtonWidth 0.0f
//#define cancelButtonString " Cancel"
//#define cancelButtonWidth 0.0f
//alignement [0:1], 0.0 is left, 0.5 middle, 1.0 right, and other ratios
//#define okCancelButtonAlignement 0.0f
//#define invertOkAndCancelButtons false
```
with Alignement 0.0 => left
![alignement_0.0.gif](https://github.com/aiekick/ImGuiFileDialog/blob/master/doc/alignement_0.0.png)
with Alignement 1.0 => right
![alignement_1.0.gif](https://github.com/aiekick/ImGuiFileDialog/blob/master/doc/alignement_1.0.png)
with Alignement 0.5 => middle
![alignement_0.5.gif](https://github.com/aiekick/ImGuiFileDialog/blob/master/doc/alignement_0.5.png)
ok and cancel buttons inverted (cancel on the left and ok on the right)
![validation_buttons_inverted.gif](https://github.com/aiekick/ImGuiFileDialog/blob/master/doc/validation_buttons_inverted.png)
################################################################
## Regex support for Filtering and File Styling
################################################################
you can use a regex for filtering and file Styling
for have a filter recognized as a regex, you must have it between a (( and a ))
this one will filter files who start by the word "Common" and finish by ".h"
```cpp
ex : "((Custom.+[.]h))"
```
use cases :
* Simple filter :
```cpp
OpenDialog("toto", "Choose File", "((Custom.+[.]h))");
```
* Collections filter :
for this one the filter is between "{" and "}", so you can use the "(" and ")" outside
```cpp
OpenDialog("toto", "Choose File", "Source files (*.cpp *.h *.hpp){((Custom.+[.]h)),.h,.hpp}");
```
* file coloring :
this one will colorized all files who start by the word "Common" and finish by ".h"
```cpp
SetFileStyle(IGFD_FileStyleByFullName, "((Custom.+[.]h))", ImVec4(1.0f, 1.0f, 0.0f, 0.9f));
```
* with this feature you can by ex filter and colorize render frame pictures who have ext like .000, .001, .002, etc..
```cpp
OpenDialog("toto", "Choose File", "(([.][0-9]{3}))");
SetFileStyle(IGFD_FileStyleByFullName, "(([.][0-9]{3}))", ImVec4(1.0f, 1.0f, 0.0f, 0.9f));
```
################################################################
## Multi Layer / asterisk based filter
################################################################
you can add filter in the form : .a.b.c .json.cpp .vcxproj.filters
you can also add filter in the form : .* .*.* .vcx.* .*.filters .vcx*.filt.* etc..
all the * based filter are internally using regex's
################################################################
## Result Modes for GetFilePathName, getFileName and GetSelection
################################################################
you can add have various behavior when you get the file results at dialog end
you can specify a result mode to thoses function :
```cpp
GetFilePathName(IGFD_ResultMode = IGFD_ResultMode_AddIfNoFileExt)
GetFileName(IGFD_ResultMode = IGFD_ResultMode_AddIfNoFileExt)
GetFileSelection(IGFD_ResultMode = IGFD_ResultMode_KeepInputFile)
```
You can see these function who their default modes.
but you can modify them.
There is 3 Modes :
```cpp
IGFD_ResultMode_AddIfNoFileExt [DEFAULT for
This mode add the filter ext only if there is no file ext. (compatible multi layer)
ex :
filter {.cpp,.h} with file :
toto.h => toto.h
toto.a.h => toto.a.h
toto.a. => toto.a.cpp
toto. => toto.cpp
toto => toto.cpp
filter {.z,.a.b} with file :
toto.a.h => toto.a.h
toto. => toto.z
toto => toto.z
filter {.g.z,.a} with file :
toto.a.h => toto.a.h
toto. => toto.g.z
toto => toto.g.z
IGFD_ResultMode_OverwriteFileExt
This mode Overwrite the file extention by the current filter
This mode is the old behavior for imGuiFileDialog pre v0.6.6
ex :
filter {.cpp,.h} with file :
toto.h => toto.cpp
toto.a.h => toto.a.cpp
toto.a. => toto.a.cpp
toto.a.h.t => toto.a.h.cpp
toto. => toto.cpp
toto => toto.cpp
filter {.z,.a.b} with file :
toto.a.h => toto.z
toto.a.h.t => toto.a.z
toto. => toto.z
toto => toto.z
filter {.g.z,.a} with file :
toto.a.h => toto.g.z
toto.a.h.y => toto.a.g.z
toto.a. => toto.g.z
toto. => toto.g.z
toto => toto.g.z
IGFD_ResultMode_KeepInputFile
This mode keep the input file. no modification
es :
filter {.cpp,.h} with file :
toto.h => toto.h
toto. => toto.
toto => toto
filter {.z,.a.b} with file :
toto.a.h => toto.a.h
toto. => toto.
toto => toto
filter {.g.z,.a} with file :
toto.a.h => toto.a.h
toto. => toto.
toto => toto
```
to note :
- in case of a collection of filter. the default filter will be the first.
so in collection {.cpp,((.vcxproj.*)), .ft.*}, the default filter used for renaming will be .cpp
- when you have multilayer filter in collection.
we consider a filter to be replaced according to the max dot of filters for a whole collection
a collection {.a, .b.z} is a two dots filter, so a file toto.g.z will be replaced by toto.a
a collection {.z; .b} is a one dot filter, so a file toto.g.z will be replaced by toto.g.a
################################################################
## How to Integrate ImGuiFileDialog in your project
################################################################
### Customize ImGuiFileDialog :
You can customize many aspects of ImGuiFileDialog by overriding `ImGuiFileDialogConfig.h`.
To enable your customizations, define the preprocessor directive CUSTOM_IMGUIFILEDIALOG_CONFIG with the path of your
custom config file. This path must be relative to the directory where you put the ImGuiFileDialog module.
This operation is demonstrated in `CustomImGuiFileDialog.h` in the example project to:
* Have a custom icon font instead of labels for buttons or message titles
* Customize the button text (the button call signature must be the same, by the way! :)
The custom icon font used in the example code ([CustomFont.cpp](CustomFont.cpp) and [CustomFont.h](CustomFont.h)) was made
with [ImGuiFontStudio](https://github.com/aiekick/ImGuiFontStudio), which I wrote. :)
ImGuiFontStudio uses ImGuiFileDialog! Check it out.
################################################################
## Api's C/C++ :
################################################################
### the C Api
this api was sucessfully tested with CImGui
A C API is available let you include ImGuiFileDialog in your C project.
btw, ImGuiFileDialog depend of ImGui and dirent (for windows)
Sample code with cimgui :
```cpp
// create ImGuiFileDialog
ImGuiFileDialog *cfileDialog = IGFD_Create();
// open dialog
if (igButton("Open File", buttonSize))
{
IGFD_OpenDialog(cfiledialog,
"filedlg", // dialog key (make it possible to have different treatment reagrding the dialog key
"Open a File", // dialog title
"c files(*.c *.h){.c,.h}", // dialog filter syntax : simple => .h,.c,.pp, etc and collections : text1{filter0,filter1,filter2}, text2{filter0,filter1,filter2}, etc..
".", // base directory for files scan
"", // base filename
0, // a fucntion for display a right pane if you want
0.0f, // base width of the pane
0, // count selection : 0 infinite, 1 one file (default), n (n files)
"User data !", // some user datas
ImGuiFileDialogFlags_ConfirmOverwrite); // ImGuiFileDialogFlags
}
ImGuiIO* ioptr = igGetIO();
ImVec2 maxSize;
maxSize.x = ioptr->DisplaySize.x * 0.8f;
maxSize.y = ioptr->DisplaySize.y * 0.8f;
ImVec2 minSize;
minSize.x = maxSize.x * 0.25f;
minSize.y = maxSize.y * 0.25f;
// display dialog
if (IGFD_DisplayDialog(cfiledialog, "filedlg", ImGuiWindowFlags_NoCollapse, minSize, maxSize))
{
if (IGFD_IsOk(cfiledialog)) // result ok
{
char* cfilePathName = IGFD_GetFilePathName(cfiledialog);
printf("GetFilePathName : %s\n", cfilePathName);
char* cfilePath = IGFD_GetCurrentPath(cfiledialog);
printf("GetCurrentPath : %s\n", cfilePath);
char* cfilter = IGFD_GetCurrentFilter(cfiledialog);
printf("GetCurrentFilter : %s\n", cfilter);
// here convert from string because a string was passed as a userDatas, but it can be what you want
void* cdatas = IGFD_GetUserDatas(cfiledialog);
if (cdatas)
printf("GetUserDatas : %s\n", (const char*)cdatas);
struct IGFD_Selection csel = IGFD_GetSelection(cfiledialog); // multi selection
printf("Selection :\n");
for (int i = 0; i < (int)csel.count; i++)
{
printf("(%i) FileName %s => path %s\n", i, csel.table[i].fileName, csel.table[i].filePathName);
}
// action
// destroy
if (cfilePathName) free(cfilePathName);
if (cfilePath) free(cfilePath);
if (cfilter) free(cfilter);
IGFD_Selection_DestroyContent(&csel);
}
IGFD_CloseDialog(cfiledialog);
}
// destroy ImGuiFileDialog
IGFD_Destroy(cfiledialog);
```
################################################################
################################################################
Thats all.
You can check by example in this repo with the file CustomImGuiFileDialogConfig.h :
- this trick was used for have custom icon font instead of labels for buttons or messages titles
- you can also use your custom imgui button, the button call stamp must be same by the way :)
The Custom Icon Font (in CustomFont.cpp and CustomFont.h) was made with ImGuiFontStudio (https://github.com/aiekick/ImGuiFontStudio) i wrote for that :)
ImGuiFontStudio is using also ImGuiFileDialog.
################################################################
################################################################
*/
#pragma endregion
#pragma region IGFD VERSION
// compatible with 1.89.7 WIP
#define IMGUIFILEDIALOG_VERSION "v0.6.6"
#pragma endregion
#pragma region CONFIG FILE INCLUSION
#ifndef CUSTOM_IMGUIFILEDIALOG_CONFIG
#include "ImGuiFileDialogConfig.h"
#else // CUSTOM_IMGUIFILEDIALOG_CONFIG
#include CUSTOM_IMGUIFILEDIALOG_CONFIG
#endif // CUSTOM_IMGUIFILEDIALOG_CONFIG
#pragma endregion
#pragma region FLAGS : FileStyleFlags
// file style enum for file display (color, icon, font)
typedef int IGFD_FileStyleFlags; // -> enum IGFD_FileStyleFlags_
enum IGFD_FileStyleFlags_ // by evaluation / priority order
{
IGFD_FileStyle_None = 0, // define none style
IGFD_FileStyleByTypeFile = (1 << 0), // define style for all files
IGFD_FileStyleByTypeDir = (1 << 1), // define style for all dir
IGFD_FileStyleByTypeLink = (1 << 2), // define style for all link
IGFD_FileStyleByExtention = (1 << 3), // define style by extention, for files or links
IGFD_FileStyleByFullName = (1 << 4), // define style for particular file/dir/link full name (filename + extention)
IGFD_FileStyleByContainedInFullName = (1 << 5), // define style for file/dir/link when criteria is contained in full name
};
#pragma endregion
#pragma region FLAGS : ImGuiFileDialogFlags
typedef int ImGuiFileDialogFlags; // -> enum ImGuiFileDialogFlags_
enum ImGuiFileDialogFlags_ {
ImGuiFileDialogFlags_None = 0, // define none default flag
ImGuiFileDialogFlags_ConfirmOverwrite = (1 << 0), // show confirm to overwrite dialog
ImGuiFileDialogFlags_DontShowHiddenFiles = (1 << 1), // dont show hidden file (file starting with a .)
ImGuiFileDialogFlags_DisableCreateDirectoryButton = (1 << 2), // disable the create directory button
ImGuiFileDialogFlags_HideColumnType = (1 << 3), // hide column file type
ImGuiFileDialogFlags_HideColumnSize = (1 << 4), // hide column file size
ImGuiFileDialogFlags_HideColumnDate = (1 << 5), // hide column file date
ImGuiFileDialogFlags_NoDialog = (1 << 6), // let the dialog embedded in your own imgui begin / end scope
ImGuiFileDialogFlags_ReadOnlyFileNameField = (1 << 7), // don't let user type in filename field for file open style dialogs
ImGuiFileDialogFlags_CaseInsensitiveExtention = (1 << 8), // the file extentions treatments will not take into account the case
ImGuiFileDialogFlags_Modal = (1 << 9), // modal
ImGuiFileDialogFlags_DisableThumbnailMode = (1 << 10), // disable the thumbnail mode
ImGuiFileDialogFlags_DisableBookmarkMode = (1 << 11), // disable the bookmark mode
ImGuiFileDialogFlags_DisableQuickPathSelection = (1 << 12), // disable the quick path selection
// default behavior when no flags is defined. seems to be the more common cases
ImGuiFileDialogFlags_Default = ImGuiFileDialogFlags_ConfirmOverwrite | //
ImGuiFileDialogFlags_Modal | //
ImGuiFileDialogFlags_HideColumnType
};
// flags used for GetFilePathName(flag) or GetSelection(flag)
typedef int IGFD_ResultMode; // -> enum IGFD_ResultMode_
enum IGFD_ResultMode_ {
// IGFD_ResultMode_AddIfNoFileExt
// add the file ext only if there is no file ext
// filter {.cpp,.h} with file :
// toto.h => toto.h
// toto.a.h => toto.a.h
// toto.a. => toto.a.cpp
// toto. => toto.cpp
// toto => toto.cpp
// filter {.z,.a.b} with file :
// toto.a.h => toto.a.h
// toto. => toto.z
// toto => toto.z
// filter {.g.z,.a} with file :
// toto.a.h => toto.a.h
// toto. => toto.g.z
// toto => toto.g.z
IGFD_ResultMode_AddIfNoFileExt = 0,
// IGFD_ResultMode_OverwriteFileExt
// Overwrite the file extention by the current filter :
// filter {.cpp,.h} with file :
// toto.h => toto.cpp
// toto.a.h => toto.a.cpp
// toto.a. => toto.a.cpp
// toto.a.h.t => toto.a.h.cpp
// toto. => toto.cpp
// toto => toto.cpp
// filter {.z,.a.b} with file :
// toto.a.h => toto.z
// toto.a.h.t => toto.a.z
// toto. => toto.z
// toto => toto.z
// filter {.g.z,.a} with file :
// toto.a.h => toto.g.z
// toto.a.h.y => toto.a.g.z
// toto.a. => toto.g.z
// toto. => toto.g.z
// toto => toto.g.z
IGFD_ResultMode_OverwriteFileExt = 1, // behavior pre IGFD v0.6.6
// IGFD_ResultMode_KeepInputFile
// keep the input file => no modification :
// filter {.cpp,.h} with file :
// toto.h => toto.h
// toto. => toto.
// toto => toto
// filter {.z,.a.b} with file :
// toto.a.h => toto.a.h
// toto. => toto.
// toto => toto
// filter {.g.z,.a} with file :
// toto.a.h => toto.a.h
// toto. => toto.
// toto => toto
IGFD_ResultMode_KeepInputFile = 2
};
#pragma endregion
#pragma region Common Cpp& C Structures
#ifdef USE_THUMBNAILS
struct IGFD_Thumbnail_Info {
int isReadyToDisplay = 0; // ready to be rendered, so texture created
int isReadyToUpload = 0; // ready to upload to gpu
int isLoadingOrLoaded = 0; // was sent to laoding or loaded
int textureWidth = 0; // width of the texture to upload
int textureHeight = 0; // height of the texture to upload
int textureChannels = 0; // count channels of the texture to upload
unsigned char* textureFileDatas = 0; // file texture datas, will be rested to null after gpu upload
void* textureID = 0; // 2d texture id (void* is like ImtextureID type) (GL, DX, VK, Etc..)
void* userDatas = 0; // user datas
};
#endif // USE_THUMBNAILS
#pragma endregion
#ifdef __cplusplus
#pragma region Includes
#include <imgui.h>
#include <set>
#include <map>
#include <list>
#include <regex>
#include <array>
#include <mutex>
#include <thread>
#include <cfloat>
#include <memory>
#include <string>
#include <vector>
#include <utility>
#include <fstream>
#include <functional>
#include <unordered_map>
#pragma endregion
#pragma region IGFD API
// Define attributes of all API symbols declarations (e.g. for DLL under Windows)
// Using ImGuiFileDialog via a shared library is not recommended, because we don't guarantee
// backward nor forward ABI compatibility and also function call overhead. If you
// do use ImGuiFileDialog as a DLL, be sure to call SetImGuiContext (see Miscellanous section).
#ifndef IGFD_API
#define IGFD_API
#endif // IGFD_API
#pragma endregion
#pragma region Defines
#ifndef defaultSortField
#define defaultSortField FIELD_FILENAME
#endif // defaultSortField
#ifndef defaultSortOrderFilename
#define defaultSortOrderFilename true
#endif // defaultSortOrderFilename
#ifndef defaultSortOrderType
#define defaultSortOrderType true
#endif // defaultSortOrderType
#ifndef defaultSortOrderSize
#define defaultSortOrderSize true
#endif // defaultSortOrderSize
#ifndef defaultSortOrderDate
#define defaultSortOrderDate true
#endif // defaultSortOrderDate
#ifndef defaultSortOrderThumbnails
#define defaultSortOrderThumbnails true
#endif // defaultSortOrderThumbnails
#ifndef MAX_FILE_DIALOG_NAME_BUFFER
#define MAX_FILE_DIALOG_NAME_BUFFER 1024
#endif // MAX_FILE_DIALOG_NAME_BUFFER
#ifndef MAX_PATH_BUFFER_SIZE
#define MAX_PATH_BUFFER_SIZE 1024
#endif // MAX_PATH_BUFFER_SIZE
#ifndef EXT_MAX_LEVEL
#define EXT_MAX_LEVEL 10U
#endif // EXT_MAX_LEVEL
#pragma endregion
#pragma region IGFD NAMESPACE
namespace IGFD {
#pragma region INTERNAL
#pragma region SEARCHABLE VECTOR
template <typename T>
class SearchableVector {
private:
std::unordered_map<T, size_t> m_Dico;
std::vector<T> m_Array;
public:
void clear() {
m_Dico.clear();
m_Array.clear();
}
bool empty() const {
return m_Array.empty();
}
size_t size() const {
return m_Array.size();
}
T& operator[](const size_t& vIdx) {
return m_Array[vIdx];
}
T& at(const size_t& vIdx) {
return m_Array.at(vIdx);
}
typename
std::vector<T>::iterator begin() {
return m_Array.begin();
}
typename
std::vector<T>::const_iterator begin() const {
return m_Array.begin();
}
typename
std::vector<T>::iterator end() {
return m_Array.end();
}
typename
std::vector<T>::const_iterator end() const {
return m_Array.end();
}
bool try_add(T vKey) {
if (!exist(vKey)) {
m_Dico[vKey] = m_Array.size();
m_Array.push_back(vKey);
return true;
}
return false;
}
bool try_set_existing(T vKey) {
if (exist(vKey)) {
auto row = m_Dico.at(vKey);
m_Array[row] = vKey;
return true;
}
return false;
}
bool exist(const std::string& vKey) const {
return (m_Dico.find(vKey) != m_Dico.end());
}
};
#pragma endregion
#pragma region Utils
class IGFD_API Utils {
public:
struct IGFD_API PathStruct {
std::string path;
std::string name;
std::string ext;
bool isOk = false;
};
public:
static bool ImSplitter(bool split_vertically, float thickness, float* size1, float* size2, float min_size1, float min_size2, float splitter_long_axis_size = -1.0f);
static bool ReplaceString(std::string& str, const std::string& oldStr, const std::string& newStr);
static bool IsDirectoryCanBeOpened(const std::string& name); // by ex protected dirs (not user rights)
static bool IsDirectoryExist(const std::string& name);
static bool CreateDirectoryIfNotExist(const std::string& name);
static PathStruct ParsePathFileName(const std::string& vPathFileName);
static void AppendToBuffer(char* vBuffer, size_t vBufferLen, const std::string& vStr);
static void ResetBuffer(char* vBuffer);
static void SetBuffer(char* vBuffer, size_t vBufferLen, const std::string& vStr);
static bool WReplaceString(std::wstring& str, const std::wstring& oldStr, const std::wstring& newStr);
static std::vector<std::wstring> WSplitStringToVector(const std::wstring& text, char delimiter, bool pushEmpty);
static std::string utf8_encode(const std::wstring& wstr);
static std::wstring utf8_decode(const std::string& str);
static std::vector<std::string> SplitStringToVector(const std::string& text, char delimiter, bool pushEmpty);
static std::vector<std::string> GetDrivesList();
static std::string LowerCaseString(const std::string& vString); // turn all text in lower case for search facilitie
static size_t GetCharCountInString(const std::string& vString, const char& vChar);
static size_t GetLastCharPosWithMinCharCount(const std::string& vString, const char& vChar, const size_t& vMinCharCount);
};
#pragma endregion
#pragma region FileStyle
class FileInfos;
class IGFD_API FileStyle {
public:
typedef std::function<bool(const FileInfos&, FileStyle&)> FileStyleFunctor;
public:
ImVec4 color = ImVec4(0, 0, 0, 0);
std::string icon;
ImFont* font = nullptr;
IGFD_FileStyleFlags flags = 0;
public:
FileStyle();
FileStyle(const FileStyle& vStyle);
FileStyle(const ImVec4& vColor, const std::string& vIcon = "", ImFont* vFont = nullptr);
};
#pragma endregion
#pragma region SearchManager
class IGFD_API FileDialogInternal;
class IGFD_API SearchManager {
public:
std::string puSearchTag;
char puSearchBuffer[MAX_FILE_DIALOG_NAME_BUFFER] = "";
bool puSearchInputIsActive = false;
public:
void Clear(); // clear datas
void DrawSearchBar(FileDialogInternal& vFileDialogInternal); // draw the search bar
};
#pragma endregion
#pragma region FilterInfos
class IGFD_API FilterInfos {
private:
// just for return a default const std::string& in getFirstFilter.
// cannot be const, because FilterInfos must be affected to an another FilterInfos
// must stay empty alla time
std::string empty_string;
public:
std::string title; // displayed filter.can be different than rela filter
SearchableVector<std::string> filters; // filters
SearchableVector<std::string> filters_optimized; // optimized filters for case insensitive search
std::vector<std::regex> filters_regex; // collection of regex filter type
size_t count_dots = 0U; // the max count dot the max per filter of all filters
public:
void clear(); // clear the datas
bool empty() const; // is filter empty
const std::string& getFirstFilter() const; // get the first filter
bool regexExist(const std::string& vFilter) const; // is regex filter exist
bool exist(const FileInfos& vFileInfos, bool vIsCaseInsensitive) const; // is filter exist
void setCollectionTitle(const std::string& vTitle); // set the collection title
void addFilter(const std::string& vFilter, const bool& vIsRegex); // add a filter
void addCollectionFilter(const std::string& vFilter, const bool& vIsRegex); // add a filter in collection
std::string transformAsteriskBasedFilterToRegex(const std::string& vFilter); // will transform a filter who contain * to a regex
};
#pragma endregion
#pragma region FilterManager
class IGFD_API FileInfos;
class IGFD_API FilterManager {
#ifdef NEED_TO_BE_PUBLIC_FOR_TESTS
public:
#else
private:
#endif
std::vector<FilterInfos> prParsedFilters;
std::unordered_map<IGFD_FileStyleFlags, std::unordered_map<std::string, std::shared_ptr<FileStyle>>> prFilesStyle; // file infos for file extention only
std::vector<FileStyle::FileStyleFunctor> prFilesStyleFunctors; // file style via lambda function
FilterInfos prSelectedFilter;
public:
std::string puDLGFilters;
std::string puDLGdefaultExt;
public:
const FilterInfos& GetSelectedFilter() const;
void ParseFilters(const char* vFilters); // Parse filter syntax, detect and parse filter collection
void SetSelectedFilterWithExt(const std::string& vFilter); // Select filter
bool prFillFileStyle(std::shared_ptr<FileInfos> vFileInfos) const; // fill with the good style
void SetFileStyle(const IGFD_FileStyleFlags& vFlags, const char* vCriteria, const FileStyle& vInfos); // Set FileStyle
void SetFileStyle(const IGFD_FileStyleFlags& vFlags, const char* vCriteria, const ImVec4& vColor, const std::string& vIcon, ImFont* vFont); // link file style to Color and Icon and Font
void SetFileStyle(FileStyle::FileStyleFunctor vFunctor); // lambda functor for set file style.
bool GetFileStyle(const IGFD_FileStyleFlags& vFlags, const std::string& vCriteria, ImVec4* vOutColor, std::string* vOutIcon, ImFont** vOutFont); // Get Color and Icon for Filter
void ClearFilesStyle(); // clear prFileStyle
bool IsCoveredByFilters(const FileInfos& vFileInfos, bool vIsCaseInsensitive) const; // check if current file extention (vExt) is covered by current filter, or by regex (vNameExt)
float GetFilterComboBoxWidth() const; // will return the current combo box widget width
bool DrawFilterComboBox(FileDialogInternal& vFileDialogInternal); // draw the filter combobox // get the current selected filter
std::string ReplaceExtentionWithCurrentFilterIfNeeded(const std::string& vFileName, IGFD_ResultMode vFlag) const; // replace the extention of the current file by the selected filter
void SetDefaultFilterIfNotDefined(); // define the first filter if no filter is selected
};
#pragma endregion
#pragma region FileType
class IGFD_API FileType {
public:
enum class ContentType {
// The ordering will be used during sort.
Invalid = -1,
Directory = 0,
File = 1,
LinkToUnknown = 2, // link to something that is not a regular file or directory.
};
private:
ContentType m_Content = ContentType::Invalid;
bool m_Symlink = false;
public:
FileType();
FileType(const ContentType& vContentType, const bool& vIsSymlink);
void SetContent(const ContentType& vContentType);
void SetSymLink(const bool& vIsSymlink);
bool isValid() const;
bool isDir() const;
bool isFile() const;
bool isLinkToUnknown() const;
bool isSymLink() const;
// Comparisons only care about the content type, ignoring whether it's a symlink or not.
bool operator==(const FileType& rhs) const;
bool operator!=(const FileType& rhs) const;
bool operator<(const FileType& rhs) const;
bool operator>(const FileType& rhs) const;
};
#pragma endregion
#pragma region FileInfos
class IGFD_API FileInfos {
public:
// extention of the file, the array is the levels of ext, by ex : .a.b.c, will be save in {.a.b.c, .b.c, .c}
// 10 level max are sufficient i guess. the others levels will be checked if countExtDot > 1
std::array<std::string, EXT_MAX_LEVEL> fileExtLevels;
std::array<std::string, EXT_MAX_LEVEL> fileExtLevels_optimized; // optimized for search => insensitivecase
size_t countExtDot = 0U; // count dots in file extention. this count will give the levels in fileExtLevels
FileType fileType; // fileType
std::string filePath; // path of the file
std::string fileNameExt; // filename of the file (file name + extention) (but no pat
std::string fileNameExt_optimized; // optimized for search => insensitivecase
size_t fileSize = 0U; // for sorting operations
std::string formatedFileSize; // file size formated (10 o, 10 ko, 10 mo, 10 go)
std::string fileModifDate; // file user defined format of the date (data + time by default)
std::shared_ptr<FileStyle> fileStyle = nullptr; // style of the file
#ifdef USE_THUMBNAILS
IGFD_Thumbnail_Info thumbnailInfo; // structre for the display for image file tetxure
#endif // USE_THUMBNAILS
public:
bool SearchForTag(const std::string& vTag) const; // will search a tag in fileNameExt and fileNameExt_optimized
bool SearchForExt(const std::string& vExt, const bool& vIsCaseInsensitive, const size_t& vMaxLevel = EXT_MAX_LEVEL) const; // will check the fileExtLevels levels for vExt, until vMaxLevel
bool SearchForExts(const std::string& vComaSepExts, const bool& vIsCaseInsensitive, const size_t& vMaxLevel = EXT_MAX_LEVEL) const; // will check the fileExtLevels levels for vExts (ext are coma separated), until vMaxLevel
bool FinalizeFileTypeParsing(const size_t& vMaxDotToExtract); // finalize the parsing the file (only a file or link to file. no dir)
};
#pragma endregion
#pragma region FileManager
class IGFD_API FileManager {
public: // types
enum class SortingFieldEnum { // sorting for filetering of the file lsit
FIELD_NONE = 0, // no sorting preference, result indetermined haha..
FIELD_FILENAME, // sorted by filename
FIELD_TYPE, // sorted by filetype
FIELD_SIZE, // sorted by filesize (formated file size)
FIELD_DATE, // sorted by filedate
FIELD_THUMBNAILS, // sorted by thumbnails (comparaison by width then by height)
};
#ifdef NEED_TO_BE_PUBLIC_FOR_TESTS
public:
#else
private:
#endif
std::string prCurrentPath; // current path (to be decomposed in prCurrentPathDecomposition
std::vector<std::string> prCurrentPathDecomposition; // part words
std::vector<std::shared_ptr<FileInfos>> prFileList; // base container
std::vector<std::shared_ptr<FileInfos>> prFilteredFileList; // filtered container (search, sorting, etc..)
std::vector<std::shared_ptr<FileInfos>> prPathList; // base container for path selection
std::vector<std::shared_ptr<FileInfos>> prFilteredPathList; // filtered container for path selection (search, sorting, etc..)
std::vector<std::string>::iterator prPopupComposedPath; // iterator on prCurrentPathDecomposition for Current Path popup
std::string prLastSelectedFileName; // for shift multi selection
std::set<std::string> prSelectedFileNames; // the user selection of FilePathNames
bool prCreateDirectoryMode = false; // for create directory widget
public:
bool puInputPathActivated = false; // show input for path edition
bool puDrivesClicked = false; // event when a drive button is clicked
bool puPathClicked = false; // event when a path button was clicked
char puInputPathBuffer[MAX_PATH_BUFFER_SIZE] = ""; // input path buffer for imgui widget input text (displayed in palce of composer)
char puVariadicBuffer[MAX_FILE_DIALOG_NAME_BUFFER] = ""; // called by prSelectableItem
char puFileNameBuffer[MAX_FILE_DIALOG_NAME_BUFFER] = ""; // file name buffer in footer for imgui widget input text
char puDirectoryNameBuffer[MAX_FILE_DIALOG_NAME_BUFFER] = ""; // directory name buffer in footer for imgui widget input text (when is directory mode)
std::string puHeaderFileName; // detail view name of column file
std::string puHeaderFileType; // detail view name of column type
std::string puHeaderFileSize; // detail view name of column size
std::string puHeaderFileDate; // detail view name of column date + time
#ifdef USE_THUMBNAILS
std::string puHeaderFileThumbnails; // detail view name of column thumbnails
bool puSortingDirection[5] = { // true => Ascending, false => Descending
defaultSortOrderFilename, defaultSortOrderType, defaultSortOrderSize, defaultSortOrderDate, defaultSortOrderThumbnails};
#else
bool puSortingDirection[4] = { // true => Ascending, false => Descending
defaultSortOrderFilename, defaultSortOrderType, defaultSortOrderSize, defaultSortOrderDate};
#endif
SortingFieldEnum puSortingField = SortingFieldEnum::FIELD_FILENAME; // detail view sorting column
bool puShowDrives = false; // drives are shown (only on os windows)
std::string puDLGpath; // base path set by user when OpenDialog was called
std::string puDLGDefaultFileName; // base default file path name set by user when OpenDialog was called
size_t puDLGcountSelectionMax = 1U; // 0 for infinite // base max selection count set by user when OpenDialog was called
bool puDLGDirectoryMode = false; // is directory mode (defiend like : puDLGDirectoryMode = (filters.empty()))
std::string puFsRoot;
#ifdef NEED_TO_BE_PUBLIC_FOR_TESTS
public:
#else
private:
#endif
static std::string prRoundNumber(double vvalue, int n); // custom rounding number
static std::string prFormatFileSize(size_t vByteSize); // format file size field
static void prCompleteFileInfos(const std::shared_ptr<FileInfos>& FileInfos); // set time and date infos of a file (detail view mode)
void prRemoveFileNameInSelection(const std::string& vFileName); // selection : remove a file name
void prAddFileNameInSelection(const std::string& vFileName, bool vSetLastSelectionFileName); // selection : add a file name
void AddFile(const FileDialogInternal& vFileDialogInternal, const std::string& vPath, const std::string& vFileName,
const FileType& vFileType); // add file called by scandir
void AddPath(const FileDialogInternal& vFileDialogInternal, const std::string& vPath, const std::string& vFileName,
const FileType& vFileType); // add file called by scandir
void ScanDirForPathSelection(const FileDialogInternal& vFileDialogInternal, const std::string& vPath); // scan the directory for retrieve the path list
void OpenPathPopup(const FileDialogInternal& vFileDialogInternal, std::vector<std::string>::iterator vPathIter); // open the popup list of paths
void SetCurrentPath(std::vector<std::string>::iterator vPathIter); // set the current path, update the path bar
void ApplyFilteringOnFileList(const FileDialogInternal& vFileDialogInternal, std::vector<std::shared_ptr<FileInfos>>& vFileInfosList, std::vector<std::shared_ptr<FileInfos>>& vFileInfosFilteredList);
void SortFields(const FileDialogInternal& vFileDialogInternal, std::vector<std::shared_ptr<FileInfos>>& vFileInfosList,
std::vector<std::shared_ptr<FileInfos>>& vFileInfosFilteredList); // will sort a column
public:
FileManager();
bool IsComposerEmpty();
size_t GetComposerSize();
bool IsFileListEmpty();
bool IsPathListEmpty();
bool IsFilteredListEmpty();
bool IsPathFilteredListEmpty();
size_t GetFullFileListSize();
std::shared_ptr<FileInfos> GetFullFileAt(size_t vIdx);
size_t GetFilteredListSize();
size_t GetPathFilteredListSize();
std::shared_ptr<FileInfos> GetFilteredFileAt(size_t vIdx);
std::shared_ptr<FileInfos> GetFilteredPathAt(size_t vIdx);
std::vector<std::string>::iterator GetCurrentPopupComposedPath();
bool IsFileNameSelected(const std::string& vFileName);
std::string GetBack();
void ClearComposer();
void ClearFileLists(); // clear file list, will destroy thumbnail textures
void ClearPathLists(); // clear path list, will destroy thumbnail textures
void ClearAll();
void ApplyFilteringOnFileList(const FileDialogInternal& vFileDialogInternal);
void SortFields(const FileDialogInternal& vFileDialogInternal); // will sort a column
void OpenCurrentPath(const FileDialogInternal& vFileDialogInternal); // set the path of the dialog, will launch the scandir for populate the file listview
bool GetDrives(); // list drives on windows platform
bool CreateDir(const std::string& vPath); // create a directory on the file system
std::string ComposeNewPath(std::vector<std::string>::iterator vIter); // compose a path from the compose path widget
bool SetPathOnParentDirectoryIfAny(); // compose paht on parent directory
std::string GetCurrentPath(); // get the current path
void SetCurrentPath(const std::string& vCurrentPath); // set the current path
static bool IsFileExist(const std::string& vFile);
void SetDefaultFileName(const std::string& vFileName);
bool SelectDirectory(const std::shared_ptr<FileInfos>& vInfos); // enter directory
void SelectFileName(const FileDialogInternal& vFileDialogInternal,
const std::shared_ptr<FileInfos>& vInfos); // select filename
void SetCurrentDir(const std::string& vPath); // define current directory for scan
void ScanDir(const FileDialogInternal& vFileDialogInternal, const std::string& vPath); // scan the directory for retrieve the file list
public:
std::string GetResultingPath();
std::string GetResultingFileName(FileDialogInternal& vFileDialogInternal, IGFD_ResultMode vFlag);
std::string GetResultingFilePathName(FileDialogInternal& vFileDialogInternal, IGFD_ResultMode vFlag);
std::map<std::string, std::string> GetResultingSelection(FileDialogInternal& vFileDialogInternal, IGFD_ResultMode vFlag);
public:
void DrawDirectoryCreation(const FileDialogInternal& vFileDialogInternal); // draw directory creation widget
void DrawPathComposer(const FileDialogInternal& vFileDialogInternal); // draw path composer widget
};
#pragma endregion
#pragma region FileDialogInternal
typedef void* UserDatas;
typedef std::function<void(const char*, UserDatas, bool*)> PaneFun; // side pane function binding
class IGFD_API FileDialogInternal {
public:
FileManager puFileManager; // the file manager
FilterManager puFilterManager; // the filter manager
SearchManager puSearchManager; // the search manager
public:
std::string puName; // the internal dialog name (title + ##word)
bool puShowDialog = false; // the dialog is shown
ImVec2 puDialogCenterPos = ImVec2(0, 0); // center pos for display the confirm overwrite dialog
int puLastImGuiFrameCount = 0; // to be sure than only one dialog displayed per frame
float puFooterHeight = 0.0f; // footer height
bool puCanWeContinue = true; // events
bool puOkResultToConfirm = false; // to confim if ok for OverWrite
bool puIsOk = false; // is dialog ok button click
bool puFileInputIsActive = false; // when input text for file or directory is active
bool puFileListViewIsActive = false; // when list view is active
std::string puDLGkey; // the dialog key
std::string puDLGtitle; // the dialog title
ImGuiFileDialogFlags puDLGflags = ImGuiFileDialogFlags_None; // default dialog flag
UserDatas puDLGuserDatas = nullptr; // the user datas passed to a dialog
PaneFun puDLGoptionsPane = nullptr; // the user side pane
float puDLGoptionsPaneWidth = 0.0f; // the user side pane width
bool puNeedToExitDialog = false; // we need to exit the dialog
bool puUseCustomLocale = false; // custom user locale
int puLocaleCategory = LC_ALL; // locale category to use
std::string puLocaleBegin; // the locale who will be applied at start of the display dialog
std::string puLocaleEnd; // the locale who will be applaied at end of the display dialog
public:
void NewFrame(); // new frame, so maybe neded to do somethings, like reset events
void EndFrame(); // end frame, so maybe neded to do somethings fater all
void ResetForNewDialog(); // reset what is needed to reset for the openging of a new dialog
};
#pragma endregion
#pragma endregion
#pragma region Optional Features
#pragma region ThumbnailFeature
#ifdef USE_THUMBNAILS
typedef std::function<void(IGFD_Thumbnail_Info*)> CreateThumbnailFun; // texture 2d creation function binding
typedef std::function<void(IGFD_Thumbnail_Info*)> DestroyThumbnailFun; // texture 2d destroy function binding
#endif
class IGFD_API ThumbnailFeature {
protected:
ThumbnailFeature();
~ThumbnailFeature();
void NewThumbnailFrame(FileDialogInternal& vFileDialogInternal);
void EndThumbnailFrame(FileDialogInternal& vFileDialogInternal);
void QuitThumbnailFrame(FileDialogInternal& vFileDialogInternal);
#ifdef USE_THUMBNAILS
protected:
enum class DisplayModeEnum { FILE_LIST = 0, THUMBNAILS_LIST, THUMBNAILS_GRID };
private:
uint32_t prCountFiles = 0U;
bool prIsWorking = false;
std::shared_ptr<std::thread> prThumbnailGenerationThread = nullptr;
std::list<std::shared_ptr<FileInfos>> prThumbnailFileDatasToGet; // base container
std::mutex prThumbnailFileDatasToGetMutex;
std::list<std::shared_ptr<FileInfos>> prThumbnailToCreate; // base container
std::mutex prThumbnailToCreateMutex;
std::list<IGFD_Thumbnail_Info> prThumbnailToDestroy; // base container
std::mutex prThumbnailToDestroyMutex;
CreateThumbnailFun prCreateThumbnailFun = nullptr;
DestroyThumbnailFun prDestroyThumbnailFun = nullptr;
protected:
DisplayModeEnum prDisplayMode = DisplayModeEnum::FILE_LIST;
private:
void prVariadicProgressBar(float fraction, const ImVec2& size_arg, const char* fmt, ...);
protected:
// will be call in cpu zone (imgui computations, will call a texture file retrieval thread)
void prStartThumbnailFileDatasExtraction(); // start the thread who will get byte buffer from image files
bool prStopThumbnailFileDatasExtraction(); // stop the thread who will get byte buffer from image files
void prThreadThumbnailFileDatasExtractionFunc(); // the thread who will get byte buffer from image files
void prDrawThumbnailGenerationProgress(); // a little progressbar who will display the texture gen status
void prAddThumbnailToLoad(const std::shared_ptr<FileInfos>& vFileInfos); // add texture to load in the thread
void prAddThumbnailToCreate(const std::shared_ptr<FileInfos>& vFileInfos);
void prAddThumbnailToDestroy(const IGFD_Thumbnail_Info& vIGFD_Thumbnail_Info);
void prDrawDisplayModeToolBar(); // draw display mode toolbar (file list, thumbnails list, small thumbnails grid, big thumbnails grid)
void prClearThumbnails(FileDialogInternal& vFileDialogInternal);
public:
void SetCreateThumbnailCallback(const CreateThumbnailFun& vCreateThumbnailFun);
void SetDestroyThumbnailCallback(const DestroyThumbnailFun& vCreateThumbnailFun);
// must be call in gpu zone (rendering, possibly one rendering thread)
void ManageGPUThumbnails(); // in gpu rendering zone, whill create or destroy texture
#endif
};
#pragma endregion
#pragma region BookMarkFeature
class IGFD_API BookMarkFeature {
protected:
BookMarkFeature();
#ifdef USE_BOOKMARK
private:
struct BookmarkStruct {
std::string name; // name of the bookmark
// todo: the path could be relative, better if the app is movedn but bookmarked path can be outside of the app
std::string path; // absolute path of the bookmarked directory
bool defined_by_code = false; // defined by code, can be used for rpevent serialization / deserialization
};
private:
ImGuiListClipper prBookmarkClipper;
std::vector<BookmarkStruct> prBookmarks;
char prBookmarkEditBuffer[MAX_FILE_DIALOG_NAME_BUFFER] = "";
protected:
float prBookmarkWidth = 200.0f;
bool prBookmarkPaneShown = false;
protected:
void prDrawBookmarkButton(); // draw bookmark button
bool prDrawBookmarkPane(FileDialogInternal& vFileDialogInternal, const ImVec2& vSize); // draw bookmark Pane
public:
std::string SerializeBookmarks( // serialize bookmarks : return bookmark buffer to save in a file
const bool& vDontSerializeCodeBasedBookmarks = true); // for avoid serialization of bookmarks added by code
void DeserializeBookmarks( // deserialize bookmarks : load bookmark buffer to load in the dialog (saved from previous use with SerializeBookmarks())
const std::string& vBookmarks); // bookmark buffer to load
void AddBookmark( // add a bookmark by code
const std::string& vBookMarkName, // bookmark name
const std::string& vBookMarkPath); // bookmark path
bool RemoveBookmark( // remove a bookmark by code, return true if succeed
const std::string& vBookMarkName); // bookmark name to remove
#endif // USE_BOOKMARK
};
#pragma endregion
#pragma region KeyExplorerFeature
// file localization by input chat // widget flashing
class IGFD_API KeyExplorerFeature {
protected:
KeyExplorerFeature();
#ifdef USE_EXPLORATION_BY_KEYS
private:
bool prLocateFileByInputChar_lastFound = false;
ImWchar prLocateFileByInputChar_lastChar = 0;
float prFlashAlpha = 0.0f; // flash when select by char
float prFlashAlphaAttenInSecs = 1.0f; // fps display dependant
int prLocateFileByInputChar_InputQueueCharactersSize = 0;
size_t prFlashedItem = 0; // flash when select by char
size_t prLocateFileByInputChar_lastFileIdx = 0;
protected:
void prLocateByInputKey(FileDialogInternal& vFileDialogInternal); // select a file line in listview according to char key
bool prLocateItem_Loop(FileDialogInternal& vFileDialogInternal, ImWchar vC); // restrat for start of list view if not found a corresponding file
void prExploreWithkeys(FileDialogInternal& vFileDialogInternal, ImGuiID vListViewID); // select file/directory line in listview accroding to up/down enter/backspace keys
void prStartFlashItem(size_t vIdx); // define than an item must be flashed
bool prBeginFlashItem(size_t vIdx); // start the flashing of a line in lsit view
static void prEndFlashItem(); // end the fleshing accrdoin to var prFlashAlphaAttenInSecs
static bool prFlashableSelectable(const char* label, bool selected = false, ImGuiSelectableFlags flags = 0, bool vFlashing = false,
const ImVec2& size = ImVec2(0, 0)); // custom flashing selectable widgets, for flash the selected line in a short time
public:
void SetFlashingAttenuationInSeconds( // set the flashing time of the line in file list when use exploration keys
float vAttenValue); // set the attenuation (from flashed to not flashed) in seconds
#endif // USE_EXPLORATION_BY_KEYS
};
#pragma endregion
#pragma endregion
#pragma region FileDialog
class IGFD_API FileDialog : public BookMarkFeature, public KeyExplorerFeature, public ThumbnailFeature {
protected:
FileDialogInternal prFileDialogInternal;
ImGuiListClipper prFileListClipper;
ImGuiListClipper prPathListClipper;
float prOkCancelButtonWidth = 0.0f;
public:
bool puAnyWindowsHovered = false; // not remember why haha :) todo : to check if we can remove
public:
// Singleton for easier accces form anywhere but only one dialog at a time
// vCopy or vForce can be used for share a memory pointer in a new memory space like a dll module
static FileDialog* Instance(FileDialog* vCopy = nullptr, bool vForce = false) {
static FileDialog _instance;
static FileDialog* _instance_copy = nullptr;
if (vCopy || vForce) {
_instance_copy = vCopy;
}
if (_instance_copy) {
return _instance_copy;
}
return &_instance;
}
public:
FileDialog(); // ImGuiFileDialog Constructor. can be used for have many dialog at same time (not possible with singleton)
virtual ~FileDialog(); // ImGuiFileDialog Destructor
// todo : need to refactor all theses function to maybe just one
// standard dialog
void OpenDialog( // open simple dialog (path and fileName can be specified)
const std::string& vKey, // key dialog
const std::string& vTitle, // title
const char* vFilters, // filters
const std::string& vPath, // path
const std::string& vFileName, // defaut file name
const int& vCountSelectionMax = 1, // count selection max
UserDatas vUserDatas = nullptr, // user datas (can be retrieved in pane)
ImGuiFileDialogFlags vFlags = 0); // ImGuiFileDialogFlags
void OpenDialog( // open simple dialog (path and filename are obtained from filePathName)
const std::string& vKey, // key dialog
const std::string& vTitle, // title
const char* vFilters, // filters
const std::string& vFilePathName, // file path name (will be decompsoed in path and fileName)
const int& vCountSelectionMax = 1, // count selection max
UserDatas vUserDatas = nullptr, // user datas (can be retrieved in pane)
ImGuiFileDialogFlags vFlags = 0); // ImGuiFileDialogFlags
// with pane
void OpenDialog( // open dialog with custom right pane (path and fileName can be specified)
const std::string& vKey, // key dialog
const std::string& vTitle, // title
const char* vFilters, // filters
const std::string& vPath, // path
const std::string& vFileName, // defaut file name
const PaneFun& vSidePane, // side pane
const float& vSidePaneWidth = 250.0f, // side pane width
const int& vCountSelectionMax = 1, // count selection max
UserDatas vUserDatas = nullptr, // user datas (can be retrieved in pane)
ImGuiFileDialogFlags vFlags = 0); // ImGuiFileDialogFlags
void OpenDialog( // open dialog with custom right pane (path and filename are obtained from filePathName)
const std::string& vKey, // key dialog
const std::string& vTitle, // title
const char* vFilters, // filters
const std::string& vFilePathName, // file path name (will be decompsoed in path and fileName)
const PaneFun& vSidePane, // side pane
const float& vSidePaneWidth = 250.0f, // side pane width
const int& vCountSelectionMax = 1, // count selection max
UserDatas vUserDatas = nullptr, // user datas (can be retrieved in pane)
ImGuiFileDialogFlags vFlags = 0); // ImGuiFileDialogFlags
// Display / Close dialog form
bool Display( // Display the dialog. return true if a result was obtained (Ok or not)
const std::string& vKey, // key dialog to display (if not the same key as defined by OpenDialog => no opening)
ImGuiWindowFlags vFlags = ImGuiWindowFlags_NoCollapse, // ImGuiWindowFlags
ImVec2 vMinSize = ImVec2(0, 0), // mininmal size contraint for the ImGuiWindow
ImVec2 vMaxSize = ImVec2(FLT_MAX, FLT_MAX)); // maximal size contraint for the ImGuiWindow
void Close(); // close dialog
// queries
bool WasOpenedThisFrame(const std::string& vKey) const; // say if the dialog key was already opened this frame
bool WasOpenedThisFrame() const; // say if the dialog was already opened this frame
bool IsOpened(const std::string& vKey) const; // say if the key is opened
bool IsOpened() const; // say if the dialog is opened somewhere
std::string GetOpenedKey() const; // return the dialog key who is opened, return nothing if not opened
// get result
bool IsOk() const; // true => Dialog Closed with Ok result / false : Dialog closed with cancel result
std::map<std::string, std::string> GetSelection(IGFD_ResultMode vFlag = IGFD_ResultMode_KeepInputFile); // Open File behavior : will return selection via a map<FileName, FilePathName>
std::string GetFilePathName(IGFD_ResultMode vFlag = IGFD_ResultMode_AddIfNoFileExt); // Save File behavior : will return the current file path name
std::string GetCurrentFileName(IGFD_ResultMode vFlag = IGFD_ResultMode_AddIfNoFileExt); // Save File behavior : will return the content file name
std::string GetCurrentPath(); // will return current file path
std::string GetCurrentFilter(); // will return current filter
UserDatas GetUserDatas() const; // will return user datas send with Open Dialog
// file style by extentions
void SetFileStyle( // SetExtention datas for have custom display of particular file type
const IGFD_FileStyleFlags& vFlags, // file style
const char* vCriteria, // extention filter to tune
const FileStyle& vInfos); // Filter Extention Struct who contain Color and Icon/Text for the display of the file with extention filter
void SetFileStyle( // SetExtention datas for have custom display of particular file type
const IGFD_FileStyleFlags& vFlags, // file style
const char* vCriteria, // extention filter to tune
const ImVec4& vColor, // wanted color for the display of the file with extention filter
const std::string& vIcon = "", // wanted text or icon of the file with extention filter
ImFont* vFont = nullptr); // wanted font
void SetFileStyle(FileStyle::FileStyleFunctor vFunctor); // set file style via lambda function
bool GetFileStyle( // GetExtention datas. return true is extention exist
const IGFD_FileStyleFlags& vFlags, // file style
const std::string& vCriteria, // extention filter (same as used in SetExtentionInfos)
ImVec4* vOutColor, // color to retrieve
std::string* vOutIcon = nullptr, // icon or text to retrieve
ImFont** vOutFont = nullptr); // font to retreive
void ClearFilesStyle(); // clear extentions setttings
void SetLocales( // set locales to use before and after the dialog display
const int& vLocaleCategory, // set local category
const std::string& vLocaleBegin, // locale to use at begining of the dialog display
const std::string& vLocaleEnd); // locale to use at the end of the dialog display
protected:
void NewFrame(); // new frame just at begining of display
void EndFrame(); // end frame just at end of display
void QuitFrame(); // quit frame when qui quit the dialog
// others
bool prConfirm_Or_OpenOverWriteFileDialog_IfNeeded(bool vLastAction, ImGuiWindowFlags vFlags); // treatment of the result, start the confirm to overwrite dialog if needed (if defined with flag)
// dialog parts
virtual void prDrawHeader(); // draw header part of the dialog (bookmark btn, dir creation, path composer, search bar)
virtual void prDrawContent(); // draw content part of the dialog (bookmark pane, file list, side pane)
virtual bool prDrawFooter(); // draw footer part of the dialog (file field, fitler combobox, ok/cancel btn's)
// widgets components
virtual void DisplayPathPopup(ImVec2 vSize); // draw path popup when click on a \ or /
virtual bool prDrawValidationButtons(); // draw validations btns, ok, cancel buttons
virtual bool prDrawOkButton(); // draw ok button
virtual bool prDrawCancelButton(); // draw cancel button
virtual void prDrawSidePane(float vHeight); // draw side pane
virtual void prSelectableItem(int vidx, std::shared_ptr<FileInfos> vInfos, bool vSelected, const char* vFmt, ...); // draw a custom selectable behavior item
virtual void prDrawFileListView(ImVec2 vSize); // draw file list view (default mode)
#ifdef USE_THUMBNAILS
virtual void prDrawThumbnailsListView(ImVec2 vSize); // draw file list view with small thumbnails on the same line
virtual void prDrawThumbnailsGridView(ImVec2 vSize); // draw a grid of small thumbnails
#endif
// to be called only by these function and theirs overrides
// - prDrawFileListView
// - prDrawThumbnailsListView
// - prDrawThumbnailsGridView
void prBeginFileColorIconStyle(std::shared_ptr<FileInfos> vFileInfos, bool& vOutShowColor, std::string& vOutStr, ImFont** vOutFont); // begin style apply of filter with color an icon if any
void prEndFileColorIconStyle(const bool& vShowColor, ImFont* vFont); // end style apply of filter
};
#pragma endregion
} // namespace IGFD
#pragma endregion
#endif // __cplusplus
#pragma region IGFD_C_API
#include <stdint.h>
#if defined _WIN32 || defined __CYGWIN__
#ifdef IMGUIFILEDIALOG_NO_EXPORT
#define API
#else // IMGUIFILEDIALOG_NO_EXPORT
#define API __declspec(dllexport)
#endif // IMGUIFILEDIALOG_NO_EXPORT
#else // defined _WIN32 || defined __CYGWIN__
#ifdef __GNUC__
#define API __attribute__((__visibility__("default")))
#else // __GNUC__
#define API
#endif // __GNUC__
#endif // defined _WIN32 || defined __CYGWIN__
#ifdef __cplusplus
#define IGFD_C_API extern "C" API
typedef IGFD::UserDatas IGFDUserDatas;
typedef IGFD::PaneFun IGFDPaneFun;
typedef IGFD::FileDialog ImGuiFileDialog;
#else // __cplusplus
#define IGFD_C_API
typedef struct ImGuiFileDialog ImGuiFileDialog;
typedef struct IGFD_Selection_Pair IGFD_Selection_Pair;
typedef struct IGFD_Selection IGFD_Selection;
#endif // __cplusplus
struct IGFD_Selection_Pair {
char* fileName;
char* filePathName;
};
IGFD_C_API IGFD_Selection_Pair IGFD_Selection_Pair_Get(); // return an initialized IGFD_Selection_Pair
IGFD_C_API void IGFD_Selection_Pair_DestroyContent(IGFD_Selection_Pair* vSelection_Pair); // destroy the content of a IGFD_Selection_Pair
struct IGFD_Selection {
IGFD_Selection_Pair* table; // 0
size_t count; // 0U
};
IGFD_C_API IGFD_Selection IGFD_Selection_Get(); // return an initialized IGFD_Selection
IGFD_C_API void IGFD_Selection_DestroyContent(IGFD_Selection* vSelection); // destroy the content of a IGFD_Selection
// constructor / destructor
IGFD_C_API ImGuiFileDialog* IGFD_Create(void); // create the filedialog context
IGFD_C_API void IGFD_Destroy(ImGuiFileDialog* vContext); // destroy the filedialog context
typedef void (*IGFD_PaneFun)(const char*, void*, bool*); // callback fucntion for display the pane
#ifdef USE_THUMBNAILS
typedef void (*IGFD_CreateThumbnailFun)(IGFD_Thumbnail_Info*); // callback function for create thumbnail texture
typedef void (*IGFD_DestroyThumbnailFun)(IGFD_Thumbnail_Info*); // callback fucntion for destroy thumbnail texture
#endif // USE_THUMBNAILS
IGFD_C_API void IGFD_OpenDialog( // open a standard dialog
ImGuiFileDialog* vContext, // ImGuiFileDialog context
const char* vKey, // key dialog
const char* vTitle, // title
const char* vFilters, // filters/filter collections. set it to null for directory mode
const char* vPath, // path
const char* vFileName, // defaut file name
const int vCountSelectionMax, // count selection max
void* vUserDatas, // user datas (can be retrieved in pane)
ImGuiFileDialogFlags vFlags); // ImGuiFileDialogFlags
IGFD_C_API void IGFD_OpenDialog2( // open a standard dialog
ImGuiFileDialog* vContext, // ImGuiFileDialog context
const char* vKey, // key dialog
const char* vTitle, // title
const char* vFilters, // filters/filter collections. set it to null for directory mode
const char* vFilePathName, // defaut file path name (path and filename witl be extracted from it)
const int vCountSelectionMax, // count selection max
void* vUserDatas, // user datas (can be retrieved in pane)
ImGuiFileDialogFlags vFlags); // ImGuiFileDialogFlags
IGFD_C_API void IGFD_OpenPaneDialog( // open a standard dialog with pane
ImGuiFileDialog* vContext, // ImGuiFileDialog context
const char* vKey, // key dialog
const char* vTitle, // title
const char* vFilters, // filters/filter collections. set it to null for directory mode
const char* vPath, // path
const char* vFileName, // defaut file name
const IGFD_PaneFun vSidePane, // side pane
const float vSidePaneWidth, // side pane base width
const int vCountSelectionMax, // count selection max
void* vUserDatas, // user datas (can be retrieved in pane)
ImGuiFileDialogFlags vFlags); // ImGuiFileDialogFlags
IGFD_C_API void IGFD_OpenPaneDialog2( // open a standard dialog with pane
ImGuiFileDialog* vContext, // ImGuiFileDialog context
const char* vKey, // key dialog
const char* vTitle, // title
const char* vFilters, // filters/filter collections. set it to null for directory mode
const char* vFilePathName, // defaut file name (path and filename witl be extracted from it)
const IGFD_PaneFun vSidePane, // side pane
const float vSidePaneWidth, // side pane base width
const int vCountSelectionMax, // count selection max
void* vUserDatas, // user datas (can be retrieved in pane)
ImGuiFileDialogFlags vFlags); // ImGuiFileDialogFlags
IGFD_C_API bool IGFD_DisplayDialog( // Display the dialog
ImGuiFileDialog* vContext, // ImGuiFileDialog context
const char* vKey, // key dialog to display (if not the same key as defined by OpenDialog => no opening)
ImGuiWindowFlags vFlags, // ImGuiWindowFlags
ImVec2 vMinSize, // mininmal size contraint for the ImGuiWindow
ImVec2 vMaxSize); // maximal size contraint for the ImGuiWindow
IGFD_C_API void IGFD_CloseDialog( // Close the dialog
ImGuiFileDialog* vContext); // ImGuiFileDialog context
IGFD_C_API bool IGFD_IsOk( // true => Dialog Closed with Ok result / false : Dialog closed with cancel result
ImGuiFileDialog* vContext); // ImGuiFileDialog context
IGFD_C_API bool IGFD_WasKeyOpenedThisFrame( // say if the dialog key was already opened this frame
ImGuiFileDialog* vContext, // ImGuiFileDialog context
const char* vKey);
IGFD_C_API bool IGFD_WasOpenedThisFrame( // say if the dialog was already opened this frame
ImGuiFileDialog* vContext); // ImGuiFileDialog context
IGFD_C_API bool IGFD_IsKeyOpened( // say if the dialog key is opened
ImGuiFileDialog* vContext, // ImGuiFileDialog context
const char* vCurrentOpenedKey); // the dialog key
IGFD_C_API bool IGFD_IsOpened( // say if the dialog is opened somewhere
ImGuiFileDialog* vContext); // ImGuiFileDialog context
IGFD_C_API IGFD_Selection IGFD_GetSelection( // Open File behavior : will return selection via a map<FileName, FilePathName>
ImGuiFileDialog* vContext, // user datas (can be retrieved in pane)
IGFD_ResultMode vMode); // Result Mode
IGFD_C_API char* IGFD_GetFilePathName( // Save File behavior : will always return the content of the field with current filter extention and current path, WARNINGS you are responsible to free it
ImGuiFileDialog* vContext, // ImGuiFileDialog context
IGFD_ResultMode vMode); // Result Mode
IGFD_C_API char* IGFD_GetCurrentFileName( // Save File behavior : will always return the content of the field with current filter extention, WARNINGS you are responsible to free it
ImGuiFileDialog* vContext, // ImGuiFileDialog context
IGFD_ResultMode vMode); // Result Mode
IGFD_C_API char* IGFD_GetCurrentPath( // will return current path, WARNINGS you are responsible to free it
ImGuiFileDialog* vContext); // ImGuiFileDialog context
IGFD_C_API char* IGFD_GetCurrentFilter( // will return selected filter, WARNINGS you are responsible to free it
ImGuiFileDialog* vContext); // ImGuiFileDialog context
IGFD_C_API void* IGFD_GetUserDatas( // will return user datas send with Open Dialog
ImGuiFileDialog* vContext); // ImGuiFileDialog context
IGFD_C_API void IGFD_SetFileStyle( // SetExtention datas for have custom display of particular file type
ImGuiFileDialog* vContext, // ImGuiFileDialog context
IGFD_FileStyleFlags vFileStyleFlags, // file style type
const char* vFilter, // extention filter to tune
ImVec4 vColor, // wanted color for the display of the file with extention filter
const char* vIconText, // wanted text or icon of the file with extention filter (can be sued with font icon)
ImFont* vFont); // wanted font pointer
IGFD_C_API void IGFD_SetFileStyle2( // SetExtention datas for have custom display of particular file type
ImGuiFileDialog* vContext, // ImGuiFileDialog context
IGFD_FileStyleFlags vFileStyleFlags, // file style type
const char* vFilter, // extention filter to tune
float vR, float vG, float vB, float vA, // wanted color channels RGBA for the display of the file with extention filter
const char* vIconText, // wanted text or icon of the file with extention filter (can be sued with font icon)
ImFont* vFont); // wanted font pointer
IGFD_C_API bool IGFD_GetFileStyle(ImGuiFileDialog* vContext, // ImGuiFileDialog context
IGFD_FileStyleFlags vFileStyleFlags, // file style type
const char* vFilter, // extention filter (same as used in SetExtentionInfos)
ImVec4* vOutColor, // color to retrieve
char** vOutIconText, // icon or text to retrieve, WARNINGS you are responsible to free it
ImFont** vOutFont); // font pointer to retrived
IGFD_C_API void IGFD_ClearFilesStyle( // clear extentions setttings
ImGuiFileDialog* vContext); // ImGuiFileDialog context
IGFD_C_API void SetLocales( // set locales to use before and after display
ImGuiFileDialog* vContext, // ImGuiFileDialog context
const int vCategory, // set local category
const char* vBeginLocale, // locale to use at begining of the dialog display
const char* vEndLocale); // locale to set at end of the dialog display
#ifdef USE_EXPLORATION_BY_KEYS
IGFD_C_API void IGFD_SetFlashingAttenuationInSeconds( // set the flashing time of the line in file list when use exploration keys
ImGuiFileDialog* vContext, // ImGuiFileDialog context
float vAttenValue); // set the attenuation (from flashed to not flashed) in seconds
#endif
#ifdef USE_BOOKMARK
IGFD_C_API char* IGFD_SerializeBookmarks( // serialize bookmarks : return bookmark buffer to save in a file, WARNINGS you are responsible to free it
ImGuiFileDialog* vContext, // ImGuiFileDialog context
bool vDontSerializeCodeBasedBookmarks); // for avoid serialization of bookmarks added by code
IGFD_C_API void IGFD_DeserializeBookmarks( // deserialize bookmarks : load bookmar buffer to load in the dialog (saved from previous use with SerializeBookmarks())
ImGuiFileDialog* vContext, // ImGuiFileDialog context
const char* vBookmarks); // bookmark buffer to load
IGFD_C_API void IGFD_AddBookmark( // add a bookmark by code
ImGuiFileDialog* vContext, // ImGuiFileDialog context
const char* vBookMarkName, // bookmark name
const char* vBookMarkPath); // bookmark path
IGFD_C_API void IGFD_RemoveBookmark( // remove a bookmark by code, return true if succeed
ImGuiFileDialog* vContext, // ImGuiFileDialog context
const char* vBookMarkName); // bookmark name to remove
#endif
#ifdef USE_THUMBNAILS
IGFD_C_API void SetCreateThumbnailCallback( // define the callback for create the thumbnails texture
ImGuiFileDialog* vContext, // ImGuiFileDialog context
IGFD_CreateThumbnailFun vCreateThumbnailFun); // the callback for create the thumbnails texture
IGFD_C_API void SetDestroyThumbnailCallback( // define the callback for destroy the thumbnails texture
ImGuiFileDialog* vContext, // ImGuiFileDialog context
IGFD_DestroyThumbnailFun vDestroyThumbnailFun); // the callback for destroy the thumbnails texture
IGFD_C_API void ManageGPUThumbnails( // must be call in gpu zone, possibly a thread, will call the callback for create / destroy the textures
ImGuiFileDialog* vContext); // ImGuiFileDialog context
#endif // USE_THUMBNAILS
#pragma endregion
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