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928 lines
50 KiB
Markdown
928 lines
50 KiB
Markdown
[<img src="https://github.com/aiekick/ImGuiFileDialog/workflows/Win/badge.svg" width="150"/>](https://github.com/aiekick/ImGuiFileDialog/actions?query=workflow%3AWin)
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[<img src="https://github.com/aiekick/ImGuiFileDialog/workflows/Linux/badge.svg" width="165"/>](https://github.com/aiekick/ImGuiFileDialog/actions?query=workflow%3ALinux)
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[<img src="https://github.com/aiekick/ImGuiFileDialog/workflows/Osx/badge.svg" width="150"/>](https://github.com/aiekick/ImGuiFileDialog/actions?query=workflow%3AOsx)
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# ImGuiFileDialog
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## Purpose
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ImGuiFileDialog is a file selection dialog built for (and using only) [Dear ImGui](https://github.com/ocornut/imgui).
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My primary goal was to have a custom pane with widgets according to file extension. This was not possible using other
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solutions.
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## Structure
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* The library is in [Lib_Only branch](https://github.com/aiekick/ImGuiFileDialog/tree/Lib_Only)
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* A demo app can be found the [master branch](https://github.com/aiekick/ImGuiFileDialog/tree/master)
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This library is designed to be dropped into your source code rather than compiled separately.
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From your project directory:
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```
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mkdir lib <or 3rdparty, or externals, etc.>
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cd lib
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git clone https://github.com/aiekick/ImGuiFileDialog.git
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git checkout Lib_Only
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```
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These commands create a `lib` directory where you can store any third-party dependencies used in your project, downloads
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the ImGuiFileDialog git repository and checks out the Lib_Only branch where the actual library code is located.
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Add `lib/ImGuiFileDialog/ImGuiFileDialog.cpp` to your build system and include
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`lib/ImGuiFileDialog/ImGuiFileDialog.h` in your source code. ImGuiFileLib will compile with and be included directly in
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your executable file.
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If, for example, your project uses cmake, look for a line like `add_executable(my_project_name main.cpp)`
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and change it to `add_executable(my_project_name lib/ImGuiFileDialog/ImGuiFileDialog.cpp main.cpp)`. This tells the
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compiler where to find the source code declared in `ImGuiFileDialog.h` which you included in your own source code.
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## Requirements:
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You must also, of course, have added [Dear ImGui](https://github.com/ocornut/imgui) to your project for this to work at
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all.
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[dirent v1.23](https://github.com/tronkko/dirent/tree/v1.23) is required to use ImGuiFileDialog under Windows. It is
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included in the Lib_Only branch for your convenience.
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## Features
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- Separate system for call and display
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- Can have many function calls with different parameters for one display function, for example
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- Can create a custom pane with any widgets via function binding
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- This pane can block the validation of the dialog
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- Can also display different things according to current filter and UserDatas
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- Advanced file style for file/dir/link coloring / icons / font
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- Multi-selection (ctrl/shift + click) :
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- 0 => Infinite
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- 1 => One file (default)
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- n => n files
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- Compatible with MacOs, Linux, Windows
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- Windows version can list drives
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- Supports modal or standard dialog types
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- Select files or directories
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- Filter groups and custom filter names
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- Keyboard navigation (arrows, backspace, enter)
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- Exploring by entering characters (case insensitive)
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- Directory bookmarks
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- Directory manual entry (right click on any path element)
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- Optional 'Confirm to Overwrite" dialog if file exists
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- Thumbnails Display (agnostic way for compatibility with any backend, sucessfully tested with OpenGl and Vulkan)
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- C Api (succesfully tested with CimGui)
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## Singleton Pattern vs. Multiple Instances
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### Single Dialog :
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If you only need to display one file dialog at a time, use ImGuiFileDialog's singleton pattern to avoid explicitly
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declaring an object:
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```cpp
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ImGuiFileDialog::Instance()->method_of_your_choice();
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```
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### Multiple Dialogs :
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If you need to have multiple file dialogs open at once, declare each dialog explicity:
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```cpp
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ImGuiFileDialog instance_a;
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instance_a.method_of_your_choice();
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ImGuiFileDialog instance_b;
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instance_b.method_of_your_choice();
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```
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## Simple Dialog :
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```cpp
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void drawGui()
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{
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// open Dialog Simple
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if (ImGui::Button("Open File Dialog"))
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ImGuiFileDialog::Instance()->OpenDialog("ChooseFileDlgKey", "Choose File", ".cpp,.h,.hpp", ".");
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// display
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if (ImGuiFileDialog::Instance()->Display("ChooseFileDlgKey"))
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{
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// action if OK
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if (ImGuiFileDialog::Instance()->IsOk())
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{
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std::string filePathName = ImGuiFileDialog::Instance()->GetFilePathName();
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std::string filePath = ImGuiFileDialog::Instance()->GetCurrentPath();
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// action
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}
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// close
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ImGuiFileDialog::Instance()->Close();
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}
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}
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```
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## Directory Chooser :
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To have a directory chooser, set the file extension filter to nullptr:
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```cpp
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ImGuiFileDialog::Instance()->OpenDialog("ChooseDirDlgKey", "Choose a Directory", nullptr, ".");
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```
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In this mode you can select any directory with one click and open a directory with a double-click.
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## Dialog with Custom Pane :
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The signature of the custom pane callback is:
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### for C++ :
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```cpp
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void(const char *vFilter, IGFDUserDatas vUserDatas, bool *vCantContinue)
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```
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### for C :
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```c
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void(const char *vFilter, void* vUserDatas, bool *vCantContinue)
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```
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### Example :
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```cpp
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static bool canValidateDialog = false;
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inline void InfosPane(cosnt char *vFilter, IGFDUserDatas vUserDatas, bool *vCantContinue) // if vCantContinue is false, the user cant validate the dialog
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{
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ImGui::TextColored(ImVec4(0, 1, 1, 1), "Infos Pane");
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ImGui::Text("Selected Filter : %s", vFilter.c_str());
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if (vUserDatas)
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ImGui::Text("UserDatas : %s", vUserDatas);
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ImGui::Checkbox("if not checked you cant validate the dialog", &canValidateDialog);
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if (vCantContinue)
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*vCantContinue = canValidateDialog;
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}
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void drawGui()
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{
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// open Dialog with Pane
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if (ImGui::Button("Open File Dialog with a custom pane"))
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ImGuiFileDialog::Instance()->OpenDialog("ChooseFileDlgKey", "Choose File", ".cpp,.h,.hpp",
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".", "", std::bind(&InfosPane, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3), 350, 1, UserDatas("InfosPane"));
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// display and action if ok
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if (ImGuiFileDialog::Instance()->Display("ChooseFileDlgKey"))
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{
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if (ImGuiFileDialog::Instance()->IsOk())
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{
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std::string filePathName = ImGuiFileDialog::Instance()->GetFilePathName();
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std::string filePath = ImGuiFileDialog::Instance()->GetCurrentPath();
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std::string filter = ImGuiFileDialog::Instance()->GetCurrentFilter();
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// here convert from string because a string was passed as a userDatas, but it can be what you want
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std::string userDatas;
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if (ImGuiFileDialog::Instance()->GetUserDatas())
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userDatas = std::string((const char*)ImGuiFileDialog::Instance()->GetUserDatas());
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auto selection = ImGuiFileDialog::Instance()->GetSelection(); // multiselection
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// action
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}
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// close
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ImGuiFileDialog::Instance()->Close();
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}
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}
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```
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## File Style : Custom icons and colors by extension
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You can define style for files/dirs/links in many ways :
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the style can be colors, icons and fonts
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the general form is :
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```cpp
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ImGuiFileDialog::Instance()->SetFileStyle(styleType, criteria, color, icon, font);
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styleType can be thoses :
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IGFD_FileStyleByTypeFile // define style for all files
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IGFD_FileStyleByTypeDir // define style for all dir
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IGFD_FileStyleByTypeLink // define style for all link
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IGFD_FileStyleByExtention // define style by extention, for files or links
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IGFD_FileStyleByFullName // define style for particular file/dir/link full name (filename + extention)
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IGFD_FileStyleByContainedInFullName // define style for file/dir/link when criteria is contained in full name
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```
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ImGuiFileDialog accepts icon font macros as well as text tags for file types.
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[ImGuIFontStudio](https://github.com/aiekick/ImGuiFontStudio) is useful here. I wrote it to make it easy to create
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custom icon sets for use with Dear ImGui.
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It is inspired by [IconFontCppHeaders](https://github.com/juliettef/IconFontCppHeaders), which can also be used with
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ImGuiFileDialog.
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samples :
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```cpp
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// define style by file extention and Add an icon for .png files
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtention, ".png", ImVec4(0.0f, 1.0f, 1.0f, 0.9f), ICON_IGFD_FILE_PIC, font1);
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtention, ".gif", ImVec4(0.0f, 1.0f, 0.5f, 0.9f), "[GIF]");
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// define style for all directories
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeDir, "", ImVec4(0.5f, 1.0f, 0.9f, 0.9f), ICON_IGFD_FOLDER);
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// can be for a specific directory
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeDir, ".git", ImVec4(0.5f, 1.0f, 0.9f, 0.9f), ICON_IGFD_FOLDER);
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// define style for all files
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeFile, "", ImVec4(0.5f, 1.0f, 0.9f, 0.9f), ICON_IGFD_FILE);
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// can be for a specific file
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeFile, ".git", ImVec4(0.5f, 1.0f, 0.9f, 0.9f), ICON_IGFD_FILE);
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// define style for all links
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeLink, "", ImVec4(0.5f, 1.0f, 0.9f, 0.9f));
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// can be for a specific link
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeLink, "Readme.md", ImVec4(0.5f, 1.0f, 0.9f, 0.9f));
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// define style for any files/dirs/links by fullname
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByFullName, "doc", ImVec4(0.9f, 0.2f, 0.0f, 0.9f), ICON_IGFD_FILE_PIC);
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// define style by file who are containing this string
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByContainedInFullName, ".git", ImVec4(0.9f, 0.2f, 0.0f, 0.9f), ICON_IGFD_BOOKMARK);
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all of theses can be miwed with IGFD_FileStyleByTypeDir / IGFD_FileStyleByTypeFile / IGFD_FileStyleByTypeLink
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like theses by ex :
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeDir | IGFD_FileStyleByContainedInFullName, ".git", ImVec4(0.9f, 0.2f, 0.0f, 0.9f), ICON_IGFD_BOOKMARK);
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeFile | IGFD_FileStyleByFullName, "cmake", ImVec4(0.5f, 0.8f, 0.5f, 0.9f), ICON_IGFD_SAVE);
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```
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this sample code of [master/main.cpp](https://github.com/aiekick/ImGuiFileDialog/blob/master/main.cpp) produce the picture above :
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```cpp
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtention, ".cpp", ImVec4(1.0f, 1.0f, 0.0f, 0.9f));
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtention, ".h", ImVec4(0.0f, 1.0f, 0.0f, 0.9f));
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtention, ".hpp", ImVec4(0.0f, 0.0f, 1.0f, 0.9f));
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtention, ".md", ImVec4(1.0f, 0.0f, 1.0f, 0.9f));
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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
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtention, ".gif", ImVec4(0.0f, 1.0f, 0.5f, 0.9f), "[GIF]"); // add an text for a filter type
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeDir, nullptr, ImVec4(0.5f, 1.0f, 0.9f, 0.9f), ICON_IGFD_FOLDER); // for all dirs
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeFile, "CMakeLists.txt", ImVec4(0.1f, 0.5f, 0.5f, 0.9f), ICON_IGFD_ADD);
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByFullName, "doc", ImVec4(0.9f, 0.2f, 0.0f, 0.9f), ICON_IGFD_FILE_PIC);
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeDir | IGFD_FileStyleByContainedInFullName, ".git", ImVec4(0.9f, 0.2f, 0.0f, 0.9f), ICON_IGFD_BOOKMARK);
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ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByTypeFile | IGFD_FileStyleByContainedInFullName, ".git", ImVec4(0.5f, 0.8f, 0.5f, 0.9f), ICON_IGFD_SAVE);
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```
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## Filter Collections
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You can define a custom filter name that corresponds to a group of filters using this syntax:
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```custom_name1{filter1,filter2,filter3},custom_name2{filter1,filter2},filter1```
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When you select custom_name1, filters 1 to 3 will be applied. The characters `{` and `}` are reserved. Don't use them
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for filter names.
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this code :
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```cpp
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const char *filters = "Source files (*.cpp *.h *.hpp){.cpp,.h,.hpp},Image files (*.png *.gif *.jpg *.jpeg){.png,.gif,.jpg,.jpeg},.md";
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ImGuiFileDialog::Instance()->OpenDialog("ChooseFileDlgKey", ICON_IMFDLG_FOLDER_OPEN " Choose a File", filters, ".");
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```
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will produce :
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## Multi Selection
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You can define in OpenDialog/OpenModal call the count file you want to select :
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- 0 => infinite
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- 1 => one file only (default)
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- n => n files only
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See the define at the end of these funcs after path.
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```cpp
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ImGuiFileDialog::Instance()->OpenDialog("ChooseFileDlgKey", "Choose File", ".*,.cpp,.h,.hpp", ".");
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ImGuiFileDialog::Instance()->OpenDialog("ChooseFileDlgKey", "Choose 1 File", ".*,.cpp,.h,.hpp", ".", 1);
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ImGuiFileDialog::Instance()->OpenDialog("ChooseFileDlgKey", "Choose 5 File", ".*,.cpp,.h,.hpp", ".", 5);
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ImGuiFileDialog::Instance()->OpenDialog("ChooseFileDlgKey", "Choose many File", ".*,.cpp,.h,.hpp", ".", 0);
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ImGuiFileDialog::Instance()->OpenDialog("ChooseFileDlgKey", "Choose File", ".png,.jpg",
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".", "", std::bind(&InfosPane, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3), 350, 1, "SaveFile"); // 1 file
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```
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## File Dialog Constraints
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You can set the minimum and/or maximum size of the dialog:
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```cpp
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ImVec2 maxSize = ImVec2((float)display_w, (float)display_h); // The full display area
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ImVec2 minSize = maxSize * 0.5f; // Half the display area
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ImGuiFileDialog::Instance()->Display("ChooseFileDlgKey", ImGuiWindowFlags_NoCollapse, minSize, maxSize);
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```
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## Detail View Mode
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Dear ImGui just released an improved table API. If your downloaded version of Dear ImGui includes the beta version of
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table support (included for some time now) you can enable table support by uncommenting `#define USE_IMGUI_TABLES` in
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you custom config file (CustomImGuiFileDialogConfig.h)
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If your version of Dear ImGui has finalized tables support, it will be enabled by default.
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## Exploring by keys
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You can activate this feature by uncommenting `#define USE_EXPLORATION_BY_KEYS`
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in your custom config file (CustomImGuiFileDialogConfig.h)
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You can also uncomment the next lines to define navigation keys:
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* IGFD_KEY_UP => Up key for explore to the top
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* IGFD_KEY_DOWN => Down key for explore to the bottom
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* IGFD_KEY_ENTER => Enter key for open directory
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* IGFD_KEY_BACKSPACE => BackSpace for comming back to the last directory
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You can also jump to a point in the file list by pressing the corresponding key of the first filename character.
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As you see the current item is flashed by default for 1 second. You can define the flashing lifetime with the function
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```cpp
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ImGuiFileDialog::Instance()->SetFlashingAttenuationInSeconds(1.0f);
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```
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## Bookmarks
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You can create/edit/call path bookmarks and load/save them.
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Activate this feature by uncommenting: `#define USE_BOOKMARK` in your custom config file (CustomImGuiFileDialogConfig.h)
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More customization options:
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```cpp
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#define bookmarkPaneWith 150.0f => width of the bookmark pane
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#define IMGUI_TOGGLE_BUTTON ToggleButton => customize the Toggled button (button stamp must be : (const char* label, bool *toggle)
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#define bookmarksButtonString "Bookmark" => the text in the toggle button
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#define bookmarksButtonHelpString "Bookmark" => the helper text when mouse over the button
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#define addBookmarkButtonString "+" => the button for add a bookmark
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#define removeBookmarkButtonString "-" => the button for remove the selected bookmark
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```
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* You can select each bookmark to edit the displayed name corresponding to a path
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* Double-click on the label to apply the bookmark
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You can also serialize/deserialize bookmarks (for example to load/save from/to a file):
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```cpp
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Load => ImGuiFileDialog::Instance()->DeserializeBookmarks(bookmarString);
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Save => std::string bookmarkString = ImGuiFileDialog::Instance()->SerializeBookmarks();
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```
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(please see example code for details)
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## Path Edition :
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Right clicking on any path element button allows the user to manually edit the path from that portion of the tree.
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Pressing the completion key (GLFW uses `enter` by default) validates the new path. Pressing the cancel key (GLFW
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uses`escape` by default) cancels the manual entry and restores the original path.
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Here's the manual entry operation in action:
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## Confirm Overwrite Dialog :
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If you want avoid overwriting files after selection, ImGuiFileDialog can show a dialog to confirm or cancel the
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operation.
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To do so, define the flag ImGuiFileDialogFlags_ConfirmOverwrite in your call to OpenDialog/OpenModal.
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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
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behavior. (by design! :) )
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Example code For Standard Dialog :
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```cpp
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ImGuiFileDialog::Instance()->OpenDialog("ChooseFileDlgKey",
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ICON_IGFD_SAVE " Choose a File", filters,
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".", "", 1, nullptr, ImGuiFileDialogFlags_ConfirmOverwrite);
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```
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Example code For Modal Dialog :
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```cpp
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ImGuiFileDialog::Instance()->OpenModal("ChooseFileDlgKey",
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ICON_IGFD_SAVE " Choose a File", filters,
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".", "", 1, nullptr, ImGuiFileDialogFlags_ConfirmOverwrite);
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```
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This dialog will only verify the file in the file field, not with `GetSelection()`.
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|
|
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 :
|
|
|
|
|
|
|
|
## 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.
|
|
|
|
|
|
|
|
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.
|
|
|
|
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();
|
|
```
|
|
|
|
## 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++ :
|
|
|
|
### C++.
|
|
|
|
this is the base API :
|
|
|
|
```cpp
|
|
static FileDialog* Instance() // Singleton for easier accces form anywhere but only one dialog at a time
|
|
|
|
FileDialog(); // ImGuiFileDialog Constructor. can be used for have many dialog at same tiem (not possible with singleton)
|
|
|
|
// 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
|
|
|
|
// modal dialog
|
|
void OpenModal( // open simple modal (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 OpenModal( // open simple modal (path and fielname 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 OpenModal( // open modal 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& 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 OpenModal( // open modal with custom right pane (path and fielname 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/Modal => 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); // say if the dialog key was already opened this frame
|
|
bool WasOpenedThisFrame(); // say if the dialog was already opened this frame
|
|
bool IsOpened(const std::string& vKey); // say if the key is opened
|
|
bool IsOpened(); // say if the dialog is opened somewhere
|
|
std::string GetOpenedKey(); // return the dialog key who is opened, return nothing if not opened
|
|
|
|
// get result
|
|
bool IsOk(); // true => Dialog Closed with Ok result / false : Dialog closed with cancel result
|
|
std::map<std::string, std::string> GetSelection(); // Open File behavior : will return selection via a map<FileName, FilePathName>
|
|
std::string GetFilePathName(); // Save File behavior : will always return the content of the field with current filter extention and current path
|
|
std::string GetCurrentFileName(); // Save File behavior : will always return the content of the field with current filter extention
|
|
std::string GetCurrentPath(); // will return current path
|
|
std::string GetCurrentFilter(); // will return selected filter
|
|
UserDatas GetUserDatas(); // will return user datas send with Open Dialog/Modal
|
|
|
|
// extentions displaying
|
|
void SetExtentionInfos( // SetExtention datas for have custom display of particular file type
|
|
const std::string& vFilter, // extention filter to tune
|
|
const FileExtentionInfosStruct& vInfos); // Filter Extention Struct who contain Color and Icon/Text for the display of the file with extention filter
|
|
void SetExtentionInfos( // SetExtention datas for have custom display of particular file type
|
|
const std::string& vFilter, // 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
|
|
bool GetExtentionInfos( // GetExtention datas. return true is extention exist
|
|
const std::string& vFilter, // extention filter (same as used in SetExtentionInfos)
|
|
ImVec4 *vOutColor, // color to retrieve
|
|
std::string* vOutIcon = 0); // icon or text to retrieve
|
|
void ClearExtentionInfos(); // clear extentions setttings
|
|
|
|
feature : USE_EXPLORATION_BY_KEYS
|
|
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
|
|
|
|
feature : USE_BOOKMARK
|
|
std::string SerializeBookmarks(); // serialize bookmarks : return bookmark buffer to save in a file
|
|
void DeserializeBookmarks( // deserialize bookmarks : load bookmar buffer to load in the dialog (saved from previous use with SerializeBookmarks())
|
|
const std::string& vBookmarks); // bookmark buffer to load
|
|
|
|
feature : USE_THUMBNAILS
|
|
void SetCreateThumbnailCallback(const CreateThumbnailFun vCreateThumbnailFun); // define the texture creation callback
|
|
void SetDestroyThumbnailCallback(const DestroyThumbnailFun vCreateThumbnailFun); // define the texture destroy callback
|
|
void ManageGPUThumbnails(); // in gpu rendering zone, whill create or destroy textures
|
|
```
|
|
|
|
### C Api
|
|
|
|
this api was sucessfully tested with CImGui
|
|
|
|
```cpp
|
|
struct IGFD_Selection_Pair
|
|
{
|
|
char* fileName;
|
|
char* filePathName;
|
|
};
|
|
|
|
IMGUIFILEDIALOG_API IGFD_Selection_Pair IGFD_Selection_Pair_Get(); // return an initialized IGFD_Selection_Pair
|
|
IMGUIFILEDIALOG_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;
|
|
size_t count;
|
|
};
|
|
|
|
IMGUIFILEDIALOG_API IGFD_Selection IGFD_Selection_Get(); // return an initialized IGFD_Selection
|
|
IMGUIFILEDIALOG_API void IGFD_Selection_DestroyContent(
|
|
IGFD_Selection* vSelection); // destroy the content of a IGFD_Selection
|
|
|
|
// constructor / destructor
|
|
IMGUIFILEDIALOG_API ImGuiFileDialog* IGFD_Create(void); // create the filedialog context
|
|
IMGUIFILEDIALOG_API void IGFD_Destroy(ImGuiFileDialog *vContext); // destroy the filedialog context
|
|
|
|
typedef void (*IGFD_PaneFun)(const char*, void*, bool*); // callback fucntion for display the pane
|
|
|
|
IMGUIFILEDIALOG_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
|
|
|
|
IMGUIFILEDIALOG_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
|
|
|
|
IMGUIFILEDIALOG_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
|
|
|
|
IMGUIFILEDIALOG_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
|
|
|
|
IMGUIFILEDIALOG_API void IGFD_OpenModal( // open a modal 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
|
|
|
|
IMGUIFILEDIALOG_API void IGFD_OpenModal2( // open a modal 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 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
|
|
|
|
IMGUIFILEDIALOG_API void IGFD_OpenPaneModal( // open a modal 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
|
|
|
|
IMGUIFILEDIALOG_API void IGFD_OpenPaneModal2( // open a modal 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
|
|
|
|
IMGUIFILEDIALOG_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/Modal => no opening)
|
|
ImGuiWindowFlags vFlags, // ImGuiWindowFlags
|
|
ImVec2 vMinSize, // mininmal size contraint for the ImGuiWindow
|
|
ImVec2 vMaxSize); // maximal size contraint for the ImGuiWindow
|
|
|
|
IMGUIFILEDIALOG_API void IGFD_CloseDialog( // Close the dialog
|
|
ImGuiFileDialog* vContext); // ImGuiFileDialog context
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IMGUIFILEDIALOG_API bool IGFD_IsOk( // true => Dialog Closed with Ok result / false : Dialog closed with cancel result
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ImGuiFileDialog* vContext); // ImGuiFileDialog context
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IMGUIFILEDIALOG_API bool IGFD_WasKeyOpenedThisFrame( // say if the dialog key was already opened this frame
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ImGuiFileDialog* vContext, // ImGuiFileDialog context
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const char* vKey);
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IMGUIFILEDIALOG_API bool IGFD_WasOpenedThisFrame( // say if the dialog was already opened this frame
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ImGuiFileDialog* vContext); // ImGuiFileDialog context
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IMGUIFILEDIALOG_API bool IGFD_IsKeyOpened( // say if the dialog key is opened
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ImGuiFileDialog* vContext, // ImGuiFileDialog context
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const char* vCurrentOpenedKey); // the dialog key
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IMGUIFILEDIALOG_API bool IGFD_IsOpened( // say if the dialog is opened somewhere
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ImGuiFileDialog* vContext); // ImGuiFileDialog context
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IMGUIFILEDIALOG_API IGFD_Selection IGFD_GetSelection( // Open File behavior : will return selection via a map<FileName, FilePathName>
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ImGuiFileDialog* vContext); // ImGuiFileDialog context
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IMGUIFILEDIALOG_API char* IGFD_GetFilePathName( // Save File behavior : will always return the content of the field with current filter extention and current path
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ImGuiFileDialog* vContext); // ImGuiFileDialog context
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IMGUIFILEDIALOG_API char* IGFD_GetCurrentFileName( // Save File behavior : will always return the content of the field with current filter extention
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ImGuiFileDialog* vContext); // ImGuiFileDialog context
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IMGUIFILEDIALOG_API char* IGFD_GetCurrentPath( // will return current path
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ImGuiFileDialog* vContext); // ImGuiFileDialog context
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IMGUIFILEDIALOG_API char* IGFD_GetCurrentFilter( // will return selected filter
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ImGuiFileDialog* vContext); // ImGuiFileDialog context
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IMGUIFILEDIALOG_API void* IGFD_GetUserDatas( // will return user datas send with Open Dialog/Modal
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ImGuiFileDialog* vContext); // ImGuiFileDialog context
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IMGUIFILEDIALOG_API void IGFD_SetExtentionInfos( // SetExtention datas for have custom display of particular file type
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ImGuiFileDialog* vContext, // ImGuiFileDialog context
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const char* vFilter, // extention filter to tune
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ImVec4 vColor, // wanted color for the display of the file with extention filter
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const char* vIconText); // wanted text or icon of the file with extention filter (can be sued with font icon)
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IMGUIFILEDIALOG_API void IGFD_SetExtentionInfos2( // SetExtention datas for have custom display of particular file type
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ImGuiFileDialog* vContext, // ImGuiFileDialog context
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const char* vFilter, // extention filter to tune
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float vR, float vG, float vB, float vA, // wanted color channels RGBA for the display of the file with extention filter
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const char* vIconText); // wanted text or icon of the file with extention filter (can be sued with font icon)
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IMGUIFILEDIALOG_API bool IGFD_GetExtentionInfos(
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ImGuiFileDialog* vContext, // ImGuiFileDialog context
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const char* vFilter, // extention filter (same as used in SetExtentionInfos)
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ImVec4* vOutColor, // color to retrieve
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char** vOutIconText); // icon or text to retrieve
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IMGUIFILEDIALOG_API void IGFD_ClearExtentionInfos( // clear extentions setttings
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ImGuiFileDialog* vContext); // ImGuiFileDialog context
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feature : USE_EXPLORATION_BY_KEYS
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IMGUIFILEDIALOG_API void IGFD_SetFlashingAttenuationInSeconds( // set the flashing time of the line in file list when use exploration keys
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ImGuiFileDialog* vContext, // ImGuiFileDialog context
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float vAttenValue); // set the attenuation (from flashed to not flashed) in seconds
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feature : USE_BOOKMARK
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IMGUIFILEDIALOG_API char* IGFD_SerializeBookmarks( // serialize bookmarks : return bookmark buffer to save in a file
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ImGuiFileDialog* vContext); // ImGuiFileDialog context
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IMGUIFILEDIALOG_API void IGFD_DeserializeBookmarks( // deserialize bookmarks : load bookmar buffer to load in the dialog (saved from previous use with SerializeBookmarks())
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ImGuiFileDialog* vContext, // ImGuiFileDialog context
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const char* vBookmarks); // bookmark buffer to load
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feature : USE_THUMBNAILS
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IMGUIFILEDIALOG_API void SetCreateThumbnailCallback( // define the callback for create the thumbnails texture
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ImGuiFileDialog* vContext, // ImGuiFileDialog context
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const IGFD_CreateThumbnailFun vCreateThumbnailFun); // the callback for create the thumbnails texture
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IMGUIFILEDIALOG_API void SetDestroyThumbnailCallback( // define the callback for destroy the thumbnails texture
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ImGuiFileDialog* vContext, // ImGuiFileDialog context
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const IGFD_DestroyThumbnailFun vDestroyThumbnailFun); // the callback for destroy the thumbnails texture
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IMGUIFILEDIALOG_API void ManageGPUThumbnails( // must be call in gpu zone, possibly a thread, will call the callback for create / destroy the textures
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ImGuiFileDialog* vContext); // ImGuiFileDialog context
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```
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