1. KDE Plasma Desktop Develop Intro
CS Slayer
FAD 2011
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2. About Me
■ Fcitx Developer
■ KDE Fans: http://www.ikde.org
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3. KDE 15 years
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4. Plasma
Plasma Dev Intro
Language Support
Vocabulary
Easy Start
Tools
Test tool
KDE Examples
Q & A and Showtime
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5. Plasma Desktop
Desktop Shell for PC
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6. Plasma Netbook
Desktop Shell Designed for Netbook
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7. Plasma Active
New Tablet Interface
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8. Language Support
■ QML
■ Javascript
■ C++
■ Python
■ Ruby
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9. Language Support
Current Percentage of Language Usage:
■ Python 46%
■ C++ 44%
■ QML 6%
■ Javascript 4%
Ref: http://blogs.kde.org/node/4469
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10. Vocabulary
■ Widget
■ Containment
■ Date Engine
■ Runner
■ Wallpaper
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11. Create Your First Applet
Use Desktop file metadata.desktop to describe metadata of
widget.
[Desktop Entry]
Name=ClockWidget
Type=Service
X-KDE-PluginInfo-Author=saber
X-KDE-PluginInfo-Email=saber@none.org
X-KDE-PluginInfo-License=GPL
X-KDE-PluginInfo-Name=clockwidget
X-KDE-PluginInfo-Version=1
X-KDE-ServiceTypes=Plasma/Applet
X-Plasma-API=declarativeappletscript
X-Plasma-DefaultSize=200,100
X-Plasma-MainScript=code/clockwidget.qml
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12. Use Data Engine for data visualization
What's Data Engine?
■ Provide Data for Plasma Widget
Data can be obtained from hardware, network, filesystem, DBus,
or whatever you want.
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13. Data Engine
Why DataEngine?
■ Share data and code
■ Make data obtain process trivial
■ Communicate with data source
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14. Plasmate
■ Git Integration
■ Live Preview
■ Online Upload
■ Online Import
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15. Test tool
■ plasmoidviewer
■ plasmaengineexplorer
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16. KDE Examples
https://projects.kde.org/projects/kde/kdeexamples/
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17. Q & A and Showtime
Any questions?
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18. Thank you!
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