[Kde-games-devel] Review Request: Port KNetWalk to use QGraphicsView and KGameRenderer

[Brian Croom]

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http://svn.reviewboard.kde.org/r/5238/
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(Updated 2010-09-11 14:45:36.638534)


Review request for KDE Games and Stefan Majewsky.


Changes
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I have incorporated Parker's suggested changes (sooner than I anticipated being able to) and everything seems to be working great. Critically, I have also fixed the theme-loading bug, so hopefully no more blank views before applying a theme change :)


Summary
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As KNetWalk's use of QWidget as its graphics stack was marked in red on the porting status wiki page, and because I wanted to see if I had acquired a good enough working understanding of the QGraphicsView framework to be able to accomplish it, I decided to attempt a full port of this game. I referred to the KMines source while restructuring the code, as it has various conceptually similar elements (a grid with square cells that are activated by the user during gameplay, etc.)

Doing this required some rather invasive changes to the GUI code. In addition to switching to QGraphicsView, this patch also:
- Removes the distinction between mouse and keyboard input modes. They now work together nicely, as they should.
- Adds the ability to pause the game, and hide the puzzle while it is paused.
- Cleans up code in various places and removes a number of obsolete class members that I presume to have been vestiges from before the KDE port.

My only disappointment is that switching to QGraphicsView did not get rid of the rendering artifacts that often appear when the cables are being rotated. Particularly on the cells with T-shaped cable junctions, white pixels often appear at the edge of the pixmap during the rotation animation. I would greatly appreciate any suggestions for how to avoid that happening.


Diffs (updated)
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  /trunk/KDE/kdegames/knetwalk/src/CMakeLists.txt 1173706 
  /trunk/KDE/kdegames/knetwalk/src/abstractgrid.h 1173706 
  /trunk/KDE/kdegames/knetwalk/src/abstractgrid.cpp 1173706 
  /trunk/KDE/kdegames/knetwalk/src/cell.h 1173706 
  /trunk/KDE/kdegames/knetwalk/src/cell.cpp 1173706 
  /trunk/KDE/kdegames/knetwalk/src/fielditem.h PRE-CREATION 
  /trunk/KDE/kdegames/knetwalk/src/fielditem.cpp PRE-CREATION 
  /trunk/KDE/kdegames/knetwalk/src/globals.h 1173706 
  /trunk/KDE/kdegames/knetwalk/src/knetwalk.kcfg 1173706 
  /trunk/KDE/kdegames/knetwalk/src/knetwalkui.rc 1173706 
  /trunk/KDE/kdegames/knetwalk/src/main.cpp 1173706 
  /trunk/KDE/kdegames/knetwalk/src/mainwindow.h 1173706 
  /trunk/KDE/kdegames/knetwalk/src/mainwindow.cpp 1173706 
  /trunk/KDE/kdegames/knetwalk/src/renderer.h 1173706 
  /trunk/KDE/kdegames/knetwalk/src/renderer.cpp 1173706 
  /trunk/KDE/kdegames/knetwalk/src/scene.h PRE-CREATION 
  /trunk/KDE/kdegames/knetwalk/src/scene.cpp PRE-CREATION 
  /trunk/KDE/kdegames/knetwalk/src/view.h 1173706 
  /trunk/KDE/kdegames/knetwalk/src/view.cpp PRE-CREATION 

Diff: http://svn.reviewboard.kde.org/r/5238/diff


Testing
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I have come to enjoy playing this game quite a lot, and have given it considerable testing. All the usual things seem to work well including resizing, theme changes, changing difficulty level, and pausing/resuming.


Thanks,

Brian

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