kde-6-widget-starter
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ruinivist
2026-02-23 22:34:50 +00:00
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.clang-format
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BasedOnStyle: Google
IndentWidth: 4
.clangd
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CompileFlags:
# C++20
Add: [-std=c++20]
.github/workflows/lint.yml
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name: Lint
on:
push:
paths:
- "**/*.qml"
- "**/*.c"
- "**/*.cc"
- "**/*.cpp"
- "**/*.h"
- "**/*.hh"
- "**/*.hpp"
- "**/*.json"
- "**/*.yml"
- "**/*.yaml"
- "**/*.md"
- ".prettierrc"
- ".clang-format"
- ".clangd"
- "Makefile"
- "cpp/CMakeLists.txt"
- "cpp/CMakePresets.json"
- ".github/workflows/lint.yml"
pull_request:
paths:
- "**/*.qml"
- "**/*.c"
- "**/*.cc"
- "**/*.cpp"
- "**/*.h"
- "**/*.hh"
- "**/*.hpp"
- "**/*.json"
- "**/*.yml"
- "**/*.yaml"
- "**/*.md"
- ".prettierrc"
- ".clang-format"
- ".clangd"
- "Makefile"
- "cpp/CMakeLists.txt"
- "cpp/CMakePresets.json"
- ".github/workflows/lint.yml"
jobs:
lint:
runs-on: ubuntu-latest
container:
image: kdeorg/plasma-sdk:latest
steps:
- uses: actions/checkout@v4
- name: Setup Node.js
uses: actions/setup-node@v4
with:
node-version: "20"
- name: Install prettier
run: npm i -g prettier
- name: Run lint checks
run: make lint
.gitignore
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# KDE / QT
.kdev4/
*.kdev4
.directory
*.user
*.pro.user
*.moc
*.o
*.obj
*.rcc
*.ui
*.qrc
.qmake.stash
# Build artifacts
build/
*.plasmoid
package/contents/ui/cppbridge/
# Temporary files
*~
*.swp
*.bak
.DS_Store
# Logs
*.log
.prettierrc
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{
"overrides": [
{
"files": "*.json",
"options": {
"tabWidth": 4,
"useTabs": false
}
}
]
}
.vscode/settings.json
Vendored
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{
"cmake.sourceDirectory": "${workspaceFolder}/cpp",
"cmake.useCMakePresets": "always",
"cmake.configureOnOpen": true,
"C_Cpp.default.cppStandard": "c++20",
"C_Cpp.default.configurationProvider": "ms-vscode.cmake-tools",
"C_Cpp.default.compileCommands": "${workspaceFolder}/build/cpp/compile_commands.json",
"clangd.arguments": ["--compile-commands-dir=${workspaceFolder}/build/cpp"],
"qt-qml.qmlls.enabled": true,
"qt-qml.qmlls.customExePath": "/usr/lib/qt6/bin/qmlls",
"qt-qml.qmlls.customArgs": [
"-I/usr/lib/qt6/qml",
"-b${workspaceFolder}/build/cpp",
"-d/usr/share/doc/qt6"
]
}
LICENSE
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15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.
Makefile
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# Makefile for KDE 6 Plasma Widget Development
# Variables
PACKAGE_DIR := package
METADATA_FILE := $(PACKAGE_DIR)/metadata.json
WIDGET_ID := $(shell grep -oP '"Id": "\K[^"]+' $(METADATA_FILE))
BUILD_DIR := build
PLASMOID_FILE := $(WIDGET_ID).plasmoid
CPP_DIR := cpp
CPP_BUILD_DIR := $(BUILD_DIR)/cpp
CPP_MODULE_DIR := $(PACKAGE_DIR)/contents/ui/cppbridge
# Default target
.PHONY: help
help:
@echo "KDE Plasma 6 Widget Developer Tools"
@echo ""
@echo "Usage:"
@echo " make test Run widget in plasmoidviewer (default)"
@echo " make test-local Run widget directly from local package path"
@echo " make test-panel Run in horizontal panel mode"
@echo " make test-desktop Run as a floating desktop widget"
@echo " make test-hidpi Run with 2x DPI scaling"
@echo " make watch Start Development Mode with Hot Reload"
@echo " make cpp-build Build the C++ QML bridge module"
@echo " make cpp-clean Remove C++ bridge build artifacts"
@echo " make install Install/upgrade widget (converts dev symlink)"
@echo " make uninstall Remove widget from local system"
@echo " make package Build .plasmoid file for distribution"
@echo " make clean Remove build artifacts"
@echo " make format Format QML, C++, JSON, YAML, and Markdown files"
@echo " make lint Run non-mutating lint and formatting checks"
# C++ Bridge Build Targets
# Generate CMake build files for the C++ QML bridge.
.PHONY: cpp-configure
cpp-configure:
mkdir -p $(CPP_BUILD_DIR)
cd $(CPP_DIR) && cmake --preset clang-default
# Build the C++ QML bridge module binaries.
.PHONY: cpp-build
cpp-build: cpp-configure
cmake --build $(CPP_BUILD_DIR)
# Remove C++ bridge build output and copied module artifacts.
.PHONY: cpp-clean
cpp-clean:
rm -rf $(CPP_BUILD_DIR) $(CPP_MODULE_DIR)
# Testing Targets
# Run plasmoidviewer using the installed widget ID from metadata.
.PHONY: test
test: cpp-build
plasmoidviewer -a $(WIDGET_ID)
# Run plasmoidviewer directly from the local package directory.
.PHONY: test-local
test-local: cpp-build
plasmoidviewer -a $(PACKAGE_DIR)
# Run widget in panel simulation (top edge, horizontal form factor).
.PHONY: test-panel
test-panel: cpp-build
plasmoidviewer -a $(WIDGET_ID) -l topedge -f horizontal
# Run widget in desktop simulation (floating, planar form factor).
.PHONY: test-desktop
test-desktop: cpp-build
plasmoidviewer -a $(WIDGET_ID) -l floating -f planar
# Run widget with HiDPI scaling enabled (2x scale factor).
.PHONY: test-hidpi
test-hidpi: cpp-build
QT_SCALE_FACTOR=2 plasmoidviewer -a $(WIDGET_ID)
# Development Tools
# Start file watcher for iterative development and reload workflow.
.PHONY: watch
watch: cpp-build
./scripts/watch.sh
# Format all QML files in the package directory in-place.
.PHONY: format-qml
format-qml:
@command -v qmlformat >/dev/null 2>&1 || { echo "Missing required tool: qmlformat"; exit 1; }
find $(PACKAGE_DIR) -name "*.qml" -type f -exec qmlformat -i {} +
# Format C/C++ source and header files with clang-format.
.PHONY: format-cpp
format-cpp:
@command -v clang-format >/dev/null 2>&1 || { echo "Missing required tool: clang-format"; exit 1; }
find $(CPP_DIR) -type f \( -name "*.c" -o -name "*.cc" -o -name "*.cpp" -o -name "*.h" -o -name "*.hh" -o -name "*.hpp" \) -exec clang-format -i {} +
# Format JSON/YAML/Markdown files with prettier.
.PHONY: format-prettier
format-prettier:
@command -v prettier >/dev/null 2>&1 || { echo "Missing required tool: prettier"; exit 1; }
find . -type f \
\( -name "*.json" -o -name "*.yml" -o -name "*.yaml" -o -name "*.md" -o -name ".prettierrc" \) \
-not -path "./.git/*" \
-not -path "./build/*" \
-print0 | xargs -0 -r prettier --write
# Run all formatting passes.
.PHONY: format
format: format-qml format-cpp format-prettier
# Linting
# Check QML formatting without changing files.
.PHONY: lint-qml-format
lint-qml-format:
@command -v qmlformat >/dev/null 2>&1 || { echo "Missing required tool: qmlformat"; exit 1; }
@status=0; \
find $(PACKAGE_DIR) -name "*.qml" -type f -print0 | \
xargs -0 -r -I{} sh -c 'tmp_file="$$(mktemp)"; qmlformat "$$1" > "$$tmp_file"; if ! cmp -s "$$1" "$$tmp_file"; then echo "QML format mismatch: $$1"; rm -f "$$tmp_file"; exit 1; fi; rm -f "$$tmp_file"' _ {} || status=1; \
if [ "$$status" -ne 0 ]; then \
echo "Run 'make format-qml' to fix QML formatting."; \
exit 1; \
fi
# Run semantic QML lint checks.
.PHONY: lint-qml
lint-qml: cpp-build
@command -v qmllint >/dev/null 2>&1 || { echo "Missing required tool: qmllint"; exit 1; }
find $(PACKAGE_DIR) -name "*.qml" -type f -print0 | xargs -0 -r qmllint
# Check C/C++ formatting without changing files.
.PHONY: lint-cpp
lint-cpp:
@command -v clang-format >/dev/null 2>&1 || { echo "Missing required tool: clang-format"; exit 1; }
find $(CPP_DIR) -type f \( -name "*.c" -o -name "*.cc" -o -name "*.cpp" -o -name "*.h" -o -name "*.hh" -o -name "*.hpp" \) -print0 | xargs -0 -r clang-format --dry-run --Werror
# Check JSON/YAML/Markdown formatting without changing files.
.PHONY: lint-prettier
lint-prettier:
@command -v prettier >/dev/null 2>&1 || { echo "Missing required tool: prettier"; exit 1; }
find . -type f \
\( -name "*.json" -o -name "*.yml" -o -name "*.yaml" -o -name "*.md" -o -name ".prettierrc" \) \
-not -path "./.git/*" \
-not -path "./build/*" \
-print0 | xargs -0 -r prettier --check
# Run all lint and formatting checks.
.PHONY: lint
lint: lint-qml-format lint-qml lint-cpp lint-prettier
# Installation
# Install/upgrade widget in local Plasma package store and replace any dev symlink.
.PHONY: install
install: cpp-build
@install_path="$(HOME)/.local/share/plasma/plasmoids/$(WIDGET_ID)"; \
if [ -L "$$install_path" ]; then \
echo "Replacing development symlink with installed package: $$install_path"; \
rm -f "$$install_path"; \
fi; \
if kpackagetool6 --type Plasma/Applet --show $(WIDGET_ID) >/dev/null 2>&1; then \
echo "Upgrading existing package: $(WIDGET_ID)"; \
kpackagetool6 --type Plasma/Applet --upgrade $(PACKAGE_DIR); \
else \
echo "Installing new package: $(WIDGET_ID)"; \
kpackagetool6 --type Plasma/Applet --install $(PACKAGE_DIR); \
fi
# Symlink local package into Plasma directory for live development updates.
.PHONY: dev-install
dev-install: cpp-build
@echo "Creating symlink for development..."
mkdir -p $(HOME)/.local/share/plasma/plasmoids/
ln -sfn $(abspath $(PACKAGE_DIR)) $(HOME)/.local/share/plasma/plasmoids/$(WIDGET_ID)
@echo "Linked $(WIDGET_ID) -> $(PACKAGE_DIR)"
@echo "You can now use 'make test' or the Reload button in plasmoidviewer!"
# Upgrade an already installed widget package with local changes.
.PHONY: upgrade
upgrade: cpp-build
kpackagetool6 --type Plasma/Applet --upgrade $(PACKAGE_DIR)
# Remove both dev symlink and installed widget package from local system.
.PHONY: uninstall
uninstall:
rm -f $(HOME)/.local/share/plasma/plasmoids/$(WIDGET_ID)
kpackagetool6 --type Plasma/Applet --remove $(WIDGET_ID)
# Packaging
# Create distributable .plasmoid archive from current package contents.
.PHONY: package
package: cpp-build
mkdir -p $(BUILD_DIR)
rm -f $(BUILD_DIR)/$(PLASMOID_FILE)
# Zip package contents
cd $(PACKAGE_DIR) && zip -r ../$(BUILD_DIR)/$(PLASMOID_FILE) .
@echo ""
@echo "Package built at: $(BUILD_DIR)/$(PLASMOID_FILE)"
# Delete all generated build artifacts for a clean workspace.
.PHONY: clean
clean:
rm -rf $(BUILD_DIR) $(CPP_MODULE_DIR)
README.md
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# KDE 6 Widget Starter
An all included template for creating KDE 6 widgets.
## Features
- **Hot Reload**: `make watch` automatically restarts your widget when you modify files.
- **Standard Structure**: Follows KDE Plasma 6 development standards.
- **Integrated Build Tools**: Simple `Makefile` for all common tasks.
- **Testing Environments**: Easily test in panel, desktop, or HiDPI modes.
- **C++ Bridge Demo**: Includes a Qt6 C++ QML module that can be called directly from QML.
## Prerequisites
You need the basic KDE and Qt 6 development tools installed on your Linux distribution.
This also expects you to use clangd as your C++ language server for editor integration along with the clangd VS Code extension.
**Arch Linux:** ( approximate list, and you'll likely have these already on KDE )
```bash
sudo pacman -S plasma-sdk inotify-tools kirigami2 qt6-base qt6-declarative
```
## Quick Start
1. Clone this repository.
2. If you use VS Code, run `make cpp-build` once to build the C++ bridge and generate IDE metadata for autocomplete. Then install the official QML extension and reload the VS Code window.
3. Start hot reload while editing with `make watch`.
4. Install a symlinked development version with `make dev-install`.
5. For a normal local install (non-symlinked), use `make install`.
6. Check style/lint status with `make lint`.
7. Format everything with `make format`.
8. Test in different modes with `make test`, `make test-panel`, `make test-desktop`, or `make test-hidpi`.
9. Package for distribution with `make package` (creates `build/<widget-id>.plasmoid`, default: `build/org.kde.plasma.starter.plasmoid`). This is just a zip file with a different extension, so you can inspect it with any archive manager.
## Editor Setup Notes
- **QML IntelliSense (VS Code):** Workspace settings pin `qmlls` to `/usr/lib/qt6/bin/qmlls` and pass `-I/usr/lib/qt6/qml`, `-b${workspaceFolder}/build/cpp`, and `-d/usr/share/doc/qt6`.
- **Important:** Run `make cpp-build` at least once so the `build/cpp` metadata used by `qmlls` exists.
- **Install modes:** `make dev-install` creates a symlink for development, while `make install` converts that symlink into a normal installed package.
- **Generated C++ QML module:** `package/contents/ui/cppbridge/` is created by the C++ build, so editors may warn about `import "cppbridge"` before first build.
- **Known qmllint false-positive:** `plasmoid.configuration.*` is runtime-injected by Plasma; `main.qml` has a targeted `qmllint` suppression for that property lookup.
- **C++ editor config:** `clangd` uses `build/cpp/compile_commands.json` (set in `.vscode/settings.json`), with project defaults in `.clangd` and `.clang-format`.
## Project Structure
```
.
├── cpp/ # C++ source and CMake config for the QML bridge module
│ ├── CMakeLists.txt
│ └── src/
│ ├── timebridge.h
│ └── timebridge.cpp
├── package/ # The source code of your widget
│ ├── metadata.json # Widget metadata (name, ID, version)
│ └── contents/
│ ├── ui/ # QML User Interface files
│ │ ├── main.qml # Main widget UI (entry point)
│ │ ├── configGeneral.qml # UI for the "General" settings tab
│ │ └── cppbridge/ # Generated Qt6 QML module files (.so + qmldir), built by make cpp-build
│ └── config/ # Configuration schema
│ ├── config.qml # Configuration loader (defines the tabs, more of a placeholder file)
│ └── main.xml # Settings schema (defines variables & defaults)
├── scripts/
│ └── watch.sh # Hot reload logic (used by make watch)
└── Makefile # Command runner
```
## KDE Plasma Quirks: Configuration Logic vs UI
KDE Plasma separates **Configuration Logic** (Backend) from **Configuration UI** (frontend). This is why there are two "config" related folders:
1. **The Schema (`contents/config/main.xml`)**:
- This is the **Database Definition**. It defines the variable names, data types (String, Bool), and **Default Values**.
- It has _no UI logic_. It just defines what can be saved.
2. **The View (`contents/ui/configGeneral.qml`)**:
- This is the **User Interface**. It contains the text fields and checkboxes.
- It binds to the variables defined in `main.xml`.
## Packaging Notes
Artifacts produced by `make package` are intended for KDE 6 on Linux x86_64.
## License
GPL-3.0
cpp/CMakeLists.txt
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cmake_minimum_required(VERSION 3.23)
project(cppbridge LANGUAGES CXX)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
find_package(Qt6 REQUIRED COMPONENTS Core Qml)
qt_standard_project_setup(REQUIRES 6.5)
qt_add_qml_module(cppbridgeplugin
URI cppbridge
VERSION 1.0
OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/../package/contents/ui/cppbridge"
SOURCES
src/timebridge.h
src/timebridge.cpp
)
target_include_directories(cppbridgeplugin PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/src")
target_link_libraries(cppbridgeplugin PRIVATE Qt6::Core Qt6::Qml)
set_target_properties(cppbridgeplugin PROPERTIES
CXX_STANDARD 20
CXX_STANDARD_REQUIRED ON
)
cpp/CMakePresets.json
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@@ -0,0 +1,28 @@
{
"version": 6,
"cmakeMinimumRequired": {
"major": 3,
"minor": 23,
"patch": 0
},
"configurePresets": [
{
"name": "clang-default",
"displayName": "Clang Default",
"description": "Configure build/cpp with clang/clang++ and export compile commands.",
"generator": "Unix Makefiles",
"binaryDir": "${sourceDir}/../build/cpp",
"cacheVariables": {
"CMAKE_C_COMPILER": "clang",
"CMAKE_CXX_COMPILER": "clang++",
"CMAKE_EXPORT_COMPILE_COMMANDS": "ON"
}
}
],
"buildPresets": [
{
"name": "clang-default",
"configurePreset": "clang-default"
}
]
}
cpp/src/timebridge.cpp
+10
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#include "timebridge.h"
#include <QLocale>
#include <QTime>
QString TimeBridge::currentTimeString(bool includeSeconds) const {
const auto format =
includeSeconds ? QLocale::LongFormat : QLocale::ShortFormat;
return QLocale().toString(QTime::currentTime(), format);
}
cpp/src/timebridge.h
+16
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@@ -0,0 +1,16 @@
#pragma once
#include <qqmlintegration.h>
#include <QObject>
#include <QString>
class TimeBridge : public QObject {
Q_OBJECT
QML_ELEMENT
public:
using QObject::QObject;
Q_INVOKABLE QString currentTimeString(bool includeSeconds) const;
};
package/contents/config/config.qml
+11
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import QtQuick
import org.kde.plasma.configuration
ConfigModel {
ConfigCategory {
name: i18n("General")
icon: "configure"
source: "configGeneral.qml"
}
}
package/contents/config/main.xml
+17
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@@ -0,0 +1,17 @@
<?xml version="1.0" encoding="UTF-8"?>
<kcfg xmlns="http://www.kde.org/standards/kcfg/1.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.kde.org/standards/kcfg/1.0
http://www.kde.org/standards/kcfg/1.0/kcfg.xsd">
<kcfgfile name=""/>
<group name="General">
<entry name="userText" type="String">
<label>Text to display</label>
<default>Hello KDE 6!</default>
</entry>
<entry name="showSeconds" type="Bool">
<label>Show seconds</label>
<default>false</default>
</entry>
</group>
</kcfg>
package/contents/ui/configGeneral.qml
+28
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@@ -0,0 +1,28 @@
import QtQuick
import QtQuick.Controls as QQC2
import QtQuick.Layouts
import org.kde.kcmutils as KCM
import org.kde.kirigami as Kirigami
KCM.SimpleKCM {
property alias cfg_userText: userTextField.text
property alias cfg_showSeconds: showSecondsCheckBox.checked
Kirigami.FormLayout {
QQC2.TextField {
id: userTextField
Kirigami.FormData.label: i18n("Display Text:")
placeholderText: i18n("Enter text here")
}
QQC2.CheckBox {
id: showSecondsCheckBox
Kirigami.FormData.label: i18n("Options:")
text: i18n("Show Seconds")
}
}
}
package/contents/ui/main.qml
+90
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@@ -0,0 +1,90 @@
import QtQuick
import QtQuick.Controls as QQC2
import QtQuick.Layouts
import "cppbridge" as CppBridge
import org.kde.kirigami as Kirigami
import org.kde.plasma.components as PlasmaComponents
import org.kde.plasma.plasmoid
PlasmoidItem {
id: root
// Properties accessed from configuration.
// "qmllint" sees `plasmoid` as QObject here, but Plasma injects `configuration` at runtime.
// qmllint disable missing-property
property bool showSeconds: plasmoid.configuration.showSeconds
// qmllint disable missing-property
property string userText: plasmoid.configuration.userText
property string cppTimeText: "Click the button to request time from C++."
// Widget Setup
width: Kirigami.Units.gridUnit * 20
height: Kirigami.Units.gridUnit * 20
toolTipMainText: "Plasma 6 Starter"
toolTipSubText: "Click to open full view"
CppBridge.TimeBridge {
id: timeBridge
}
// Define the full representation (popup or desktop widget)
fullRepresentation: Item {
Layout.minimumWidth: Kirigami.Units.gridUnit * 10
Layout.minimumHeight: Kirigami.Units.gridUnit * 10
Layout.preferredWidth: root.width
Layout.preferredHeight: root.height
ColumnLayout {
anchors.fill: parent
anchors.margins: Kirigami.Units.largeSpacing
spacing: Kirigami.Units.largeSpacing
PlasmaComponents.Label {
text: root.userText
font.pointSize: Kirigami.Theme.defaultFont.pointSize * 1.5
Layout.alignment: Qt.AlignHCenter
}
PlasmaComponents.Label {
text: "Welcome to 6!"
Layout.alignment: Qt.AlignHCenter
opacity: 0.7
}
PlasmaComponents.Label {
text: root.cppTimeText
Layout.alignment: Qt.AlignHCenter
horizontalAlignment: Text.AlignHCenter
wrapMode: Text.Wrap
}
Item {
Layout.fillHeight: true
}
PlasmaComponents.Button {
text: "Get from C++"
Layout.alignment: Qt.AlignHCenter
onClicked: root.cppTimeText = timeBridge.currentTimeString(root.showSeconds)
}
}
}
// Define the compact representation (icon in panel)
compactRepresentation: Item {
Kirigami.Icon {
anchors.fill: parent
source: "plasma"
MouseArea {
anchors.fill: parent
onClicked: root.expanded = !root.expanded
}
}
}
}
package/metadata.json
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{
"KPlugin": {
"Name": "Plasma 6 Widget Starter",
"Description": "A starter template for KDE Plasma 6 widgets",
"Icon": "plasma",
"Category": "Development",
"Id": "org.kde.plasma.starter",
"Version": "1.0",
"Website": "https://github.com/yourusername/kde6-widget-starter",
"License": "GPL-3.0+",
"Authors": [
{
"Name": "Your Name",
"Email": "your.email@example.com"
}
]
},
"X-Plasma-API-Minimum-Version": "6.0",
"KPackageStructure": "Plasma/Applet"
}
scripts/watch.sh
Executable
+54
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#!/bin/bash
# Get the directory where the script is located
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
PACKAGE_DIR="$SCRIPT_DIR/package"
PLASMOID_NAME=$(grep -oP '"Id": "\K[^"]+' $PACKAGE_DIR/metadata.json)
# Check for inotify-tools
if ! command -v inotifywait &> /dev/null; then
echo "Error: inotify-tools is typically not installed."
echo "Please install it with your package manager (e.g., sudo apt install inotify-tools)"
exit 1
fi
echo "Found Widget ID: $PLASMOID_NAME"
echo "Starting Hot Reload Watcher..."
echo "Press Ctrl+C to stop."
# Cleanup function to kill the viewer when the script exits
cleanup() {
echo -e "\nStopping watcher..."
if [ -n "$PID" ]; then
kill $PID 2>/dev/null
fi
exit
}
trap cleanup SIGINT SIGTERM
# Initial start
echo -e "\n[$(date +%T)] Starting plasmoidviewer..."
plasmoidviewer -a $PACKAGE_DIR &
PID=$!
# Watch loop
while true; do
# Wait for any file modification in the package directory
inotifywait -r -e modify -e create -e delete "$PACKAGE_DIR" -q
echo -e "\n[$(date +%T)] Change detected! Reloading..."
# Kill the current instance
if [ -n "$PID" ]; then
kill $PID 2>/dev/null
wait $PID 2>/dev/null
fi
# Small delay to let Qt/KDE clean up properly
sleep 0.5
# Restart with absolute path
plasmoidviewer -a "$PACKAGE_DIR" &
PID=$!
done