Initial release

.clang-format

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+Language: Cpp
+AccessModifierOffset: -4
+AlignAfterOpenBracket: DontAlign
+AllowShortCaseLabelsOnASingleLine: true
+AllowShortIfStatementsOnASingleLine: true
+AlwaysBreakTemplateDeclarations: Yes
+BraceWrapping:   
+  AfterFunction: true
+BreakBeforeBraces: Custom
+ColumnLimit: 0
+IncludeBlocks: Regroup
+IncludeCategories: 
+  - Regex:    '^<.*\.h>'
+    Priority: 2
+  - Regex:    '^<.*'
+    Priority: 3
+  - Regex:    '.*'
+    Priority: 1
+IndentCaseLabels: true
+IndentWidth: 4
+KeepEmptyLinesAtTheStartOfBlocks: false
+MaxEmptyLinesToKeep: 2
+NamespaceIndentation: All
+PointerAlignment: Left
+SpaceAfterCStyleCast: true
+SpacesBeforeTrailingComments: 2

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 4
+tab_width = 8
+trim_trailing_whitespace = true
+insert_final_newline = true

.gitattributes

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+*.cpp text
+*.h text
+*.txt text
+*.md text
+.* text
+*.png filter=lfs diff=lfs merge=lfs -text

.github/workflows/build.yml

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+name: Build and Release
+
+on:
+  push:
+    tags:
+      - 'v[0-9]+.*'
+
+permissions:
+  packages: read
+  contents: write
+
+jobs:
+  create_release:
+    name: Create Release
+    runs-on: ubuntu-latest
+
+    outputs:
+      upload_url: ${{ steps.create_release.outputs.upload_url }}
+
+    steps:
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          draft: false
+          prerelease: false
+
+  release_assets:
+    name: Release Assets
+    needs: create_release
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+        build_type: [Release]
+        cpp_compiler: [g++-13, cl]
+        include:
+          - os: windows-latest
+            cpp_compiler: cl
+          - os: ubuntu-latest
+            cpp_compiler: g++-13
+        exclude:
+          - os: windows-latest
+            cpp_compiler: g++-13
+          - os: ubuntu-latest
+            cpp_compiler: cl
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set Reusable Strings
+        id: strings
+        shell: bash
+        run: |
+          echo "build-output-dir=${{ github.workspace }}/build" >> "$GITHUB_OUTPUT"
+
+      - name: Install GCC
+        if: ${{ matrix.os == 'ubuntu-latest' }}
+        shell: bash
+        run: |
+          sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
+          sudo apt-get update
+          sudo apt-get -y install g++-13
+
+      - name: Configure CMake
+        run: >
+          cmake -B ${{ steps.strings.outputs.build-output-dir }}
+          -DCMAKE_CXX_COMPILER=${{ matrix.cpp_compiler }}
+          -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
+          -S ${{ github.workspace }}
+
+      - name: Build
+        run: cmake --build ${{ steps.strings.outputs.build-output-dir }} --config ${{ matrix.build_type }}
+
+      - name: Upload Ubuntu Assets
+        if: ${{ matrix.os == 'ubuntu-latest' }}
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ needs.create_release.outputs.upload_url }}
+          asset_name: vtfontmaker
+          asset_path: ${{ steps.strings.outputs.build-output-dir }}/vtfontmaker
+          asset_content_type: application/octet-stream
+
+      - name: Upload Windows Assets
+        if: ${{ matrix.os == 'windows-latest' }}
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ needs.create_release.outputs.upload_url }}
+          asset_name: vtfontmaker.exe
+          asset_path: ${{ steps.strings.outputs.build-output-dir }}/Release/vtfontmaker.exe
+          asset_content_type: application/octet-stream

.gitignore

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+.vs/

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.15)
+project(vtfontmaker)
+
+set(
+    MAIN_FILES
+    "src/main.cpp"
+    "src/application.cpp"
+    "src/canvas.cpp"
+    "src/capabilities.cpp"
+    "src/charsets.cpp"
+    "src/coloring.cpp"
+    "src/common_dialog.cpp"
+    "src/dialog.cpp"
+    "src/font.cpp"
+    "src/glyphs.cpp"
+    "src/iso2022.cpp"
+    "src/keyboard.cpp"
+    "src/macros.cpp"
+    "src/menu.cpp"
+    "src/os.cpp"
+    "src/status.cpp"
+    "src/vt.cpp"
+)
+
+set(
+    DOC_FILES
+    "README.md"
+    "LICENSE.txt"
+)
+
+if(WIN32)
+    add_compile_options("$<$<CXX_COMPILER_ID:MSVC>:/utf-8>")
+endif()
+
+add_executable(vtfontmaker ${MAIN_FILES})
+
+set_target_properties(vtfontmaker PROPERTIES CXX_STANDARD 20 CXX_STANDARD_REQUIRED On)
+source_group("Doc Files" FILES ${DOC_FILES})

CMakeSettings.json

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+{
+  "configurations": [
+    {
+      "name": "x64-Debug",
+      "generator": "Ninja",
+      "configurationType": "Debug",
+      "inheritEnvironments": [ "msvc_x64_x64" ],
+      "buildRoot": "${projectDir}\\build\\${name}",
+      "installRoot": "${projectDir}\\build\\install\\${name}",
+      "cmakeCommandArgs": "",
+      "buildCommandArgs": "",
+      "ctestCommandArgs": ""
+    },
+    {
+      "name": "x64-Release",
+      "generator": "Ninja",
+      "configurationType": "RelWithDebInfo",
+      "inheritEnvironments": [ "msvc_x64_x64" ],
+      "buildRoot": "${projectDir}\\build\\${name}",
+      "installRoot": "${projectDir}\\build\\install\\${name}",
+      "cmakeCommandArgs": "",
+      "buildCommandArgs": "",
+      "ctestCommandArgs": ""
+    }
+  ]
+}

LICENSE.txt

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+The MIT License (MIT)
+
+Copyright (c) 2024 James Holderness
+
+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.

README.md

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+VT Font Maker
+=============
+
+![Screenshot](screenshot.png)
+
+This is a TUI application for editing VT soft fonts, also known as Dynamically
+Redefinable Character Sets. It requires a VT525 (or something of comparable
+functionality) to run, but it should be capable of editing fonts from most if
+not all of the DEC terminals.
+
+
+Quick Start
+-----------
+
+* Use the cursor keys to move
+* Hold down `Alt` while moving to select a range
+* Press the `Space` bar to toggle a pixel
+* Use `F10` to open the menu
+
+
+Download
+--------
+
+The latest binaries can be found on GitHub at the following url:
+
+https://github.com/j4james/vtfontmaker/releases/latest
+
+For Linux download `vtfontmaker`, and for Windows download `vtfontmaker.exe`.
+
+
+Build Instructions
+------------------
+
+If you want to build this yourself, you'll need [CMake] version 3.15 or later
+and a C++ compiler supporting C++20 or later.
+
+1. Download or clone the source:  
+   `git clone https://github.com/j4james/vtfontmaker.git`
+
+2. Change into the build directory:  
+   `cd vtfontmaker/build`
+
+3. Generate the build project:  
+   `cmake -D CMAKE_BUILD_TYPE=Release ..`
+
+4. Start the build:  
+   `cmake --build . --config Release`
+
+[CMake]: https://cmake.org/
+
+
+License
+-------
+
+The VT Font Maker source code and binaries are released under the MIT License.
+See the [LICENSE] file for full license details.
+
+[LICENSE]: LICENSE.txt

build/.gitignore

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+*
+!.gitignore