• Save
The Future of Qt Widgets
Upcoming SlideShare
Loading in...5
×
 

The Future of Qt Widgets

on

  • 7,888 views

Presentation by Marius Bugge Monsen held during Bossa Conference 2010 in Manaus. ...

Presentation by Marius Bugge Monsen held during Bossa Conference 2010 in Manaus.

Read more at http://labs.trolltech.com

http://qt.nokia.com
http://www.bossaconference.indt.org/

Statistics

Views

Total Views
7,888
Views on SlideShare
7,827
Embed Views
61

Actions

Likes
3
Downloads
0
Comments
0

2 Embeds 61

http://www.slideshare.net 60
http://translate.googleusercontent.com 1

Accessibility

Upload Details

Uploaded via as Adobe PDF

Usage Rights

CC Attribution-ShareAlike LicenseCC Attribution-ShareAlike License

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment

    The Future of Qt Widgets The Future of Qt Widgets Presentation Transcript

    • The Future Of Qt Widgets
    • • Marius Bugge Monsen (mbm) • Qt Developer • Qt Widget Team Lead
    • Déjà vu?
    • Reading Tea-Leaves
    • The Elephant In The Room
    • • UI Extensions for Mobile • Scalable UI based on QGraphicsView
    • • Harmattan UI Framework • UI Framework build on QGraphicsView
    • • Next Generation Qt Widgets •?
    • Canvas And Paint
    • A C B D
    • A B C D
    • Window System Paint Painting Code #include<QtGui> int main(int argc, char *argv[]) { QApplication a (argc,argv); QWidget w; w.show(); return a.exec(); } Update
    • A B C D
    • Window System Window Surface Painting Code #include<QtGui> int main(int argc, char *argv[]) { QApplication a (argc,argv); QWidget w; w.show(); return a.exec(); }
    • • Window • Widgets • Procedural Painting
    • Not Fast Enough!
    • • Window • Widgets • Primitive Elements
    • • Graphical Primitive Elements • Pixmaps • Meshes • Shaders
    • • Graphical Primitive Elements • Live in Graphics Memory • Very Fast
    • • Other Elements • Input • Sound • Haptics • ...
    • • Declarative Format (QML) • Canvas / Scenegraph API • HW Acceleration (OpenGL ES2 / OpenVG)
    • Talking Nerdy
    • Widget
    • Look & Feel Data & Logic
    • 42
    • Mouse Region Grip 42 Groove Text
    • Groove Grip Text Mouse Region Look & Feel
    • Groove Grip Range Control Text Mouse Region Look & Feel Data & Logic
    • Groove minimum Mouse maximum Region Range ... Control Text value Grip position Look & Feel Data & Logic
    • Image { id: groove property alias value: control.value property int minimum: 25 property int maximum: 75 ... BorderImage { id: grip ... } RangeControl { id: control minimumValue: groove.minimum maximumValue: groove.maximum minimumPosition: 0 maximumPosition: groove.width - grip.width position: grip.x } }
    • 42
    • Text 42 Grip Dial Mouse Region
    • Dial Range Text Grip Mouse Control Region Look & Feel Data & Logic
    • Image { id: dial property alias value: control.value ... Image { id: grip ... } Text { id: text text: control.value ... } MouseRegion { id: input ... } RangeControl { id: control minimumValue: dial.minimum maximumValue: dial.maximum ... } }
    • Mature & New & Shiny Tested Look & Feel Data & Logic
    • • QDateTimeControl • QLineEditControl • ...
    • The Road Ahead
    • • Qt Declarative + Controls • QGraphicsItem + Controls • QWidget + Controls
    • • Future Widget Technology + Controls
    • • labs.trolltech.com • qt.gitorious.org/qt-labs/widgets-ng • Google Summer Of Code
    • Thank You! Questions?
    • Image credits: “The Elephant In The Room” by Nancee_art on flickr “Tea Leaves” by allaboutgeorge on flickr “Painting Detail” by katiew on flickr “Mixerboard” by Manuel_P on flickr “Talk Nerdy To Me” by Ian Farrell on flickr “Impassable” by stuckincustoms on flickr