375 lines
21 KiB
Plaintext
375 lines
21 KiB
Plaintext
1.0 2012-03-22 Gregory Nutt <gnutt@nuttx.org>
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* The initial release of the NxWidgets package
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1.1 2012-05-19 Gregory Nutt <gnutt@nuttx.org>
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* Updated and verified the NxWidgets DOxygen documentation. Contributed
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by Jose Pablo Carballo.
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* IBitmap, CRlePalettBitmap: Extended class to support differnt LUTs
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for selected and non-selected images.
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* CImage: If selected, uses different LUTs based, different borders.
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CImage is now basically a button type.
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* CImage: Add logic to hightlight an CImage (using the selected LUT).
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* nxwm: The tiny NX window manager (NxWM) is being developed in this directory.
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* UnitTests/nxwm: A unit test for the NX window manager.
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* CWidgetControl: Add a semaphore to force clients to wait if the
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size or position of the window is not yet known (multi-user mode only).
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* During integration of NxWM, corrected numerous problems with NxWidgets
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running on toolbars and framed windows. That capability was commented
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out in the 1.0 release but is verfied functional in 1.1.
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* CRlePalettBitmap: Fix an error in the text that determines if we
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need to "rewind" to the beginning of the image.
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* CRlePalettBitmap: Fixe a positioning problem. It was actually losing
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the last row of every image!
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* CNxWidget: Removed support for "shelving" widgets. I will be removing
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some lesser used feature over time in order to reduce the NxWidgets
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footprint.
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* CNxWidget: Removed support for reference constants and close types.
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The goal is to ge the base widget class as small as possible.
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* CNxTkWindow: Fix uninitialized pointer value.
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* CNxToolbar: Need to "fake" the fix position callback to avoid
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deadlock waits for the callback that won't happen.
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* CNxTkWindow: Fix toolbar background color
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* CWidgetControl: Don't declare the the geometry is good until a non-NULL
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window size is received.
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* CGraphicsPort and CWidgetControl: If the underlying graphics device
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is write-only, then we have to render fonts a little differently.
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* CNxWidgets, CWidgetControl, and CRectCache: Big change! Remove all support
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for widgets in a "vertical" hierarchy. Now widgets exist in a flat,
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two-dimensional space and should not overlap. This should greatly
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reduce the memory requirements and, since, NuttX already supports
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a hierarchical windowing system, does not result in loss of functionality.
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* CNxWidgets and CWidgetControl. Remove specific built-in support for
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modal loops. There are too many different control mechanisms that might
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be needed. Replace with hooks to control widget events from totally
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external logic.
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* CWindowEventHandler, CWindowEventHandlerList, CWidgetControl: New
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callback classes to receive notifications about window events.
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* NxWM::CFullScreenWindow and NxWM::CTaskbar: Add support in NxWM for full
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screen window applications.
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* All application windows now use CWindowEventHandler and CWindowEventHandlerList
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to get notifications about mouse and keyboard events. These class will
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then automatically handle polling (with no need for a modal loop).
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* NxWM::CTouchscreen and NxWM::CCalibration: Add touchscreen support (still a long
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way to go).
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* NxWM::g_playBitmp: Change the play icon again. These tiny touch icons
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must be very simple.
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* NxWM::CCalibration: Beef up touch input handling logic. Now changes the
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color of the touch circle to yellow when it is touched.
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* NxWM::CTouchscreen: Do not read touchscreen data when there is no consumer.
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* NxWM::CWindowControl: Add new class to wrap CWidgetControl and provide
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some special mouse and keyboard input event handling.
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* NxWM::CTaskbar: Correct the calculation of the physical size of the
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display.
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* NxWM::CCalibration: run method must clear m_stop when returning, or you can
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never restart the Calibration window.
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* NxWM::CTaskbar: On a failure to start an application, the application icon
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CImage was being deleted twice.
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* NXWidgets::CImage: Now handles mouse click callbacks. CImage is now really
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a button. Probably should separate basic imaging functionality as CImage
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and create a new CImageButton.
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* NxWM::CStartWindow: Now ignores any close application button presses
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(You can't close the start window).
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* NxWM::CCalibration: The calibration application now has its own thread.
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This was necessary for a proper integration with the taskbar.
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* NxWM::CCalibration and NxWM:CTouchscreen: Changed the mechanism use
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to report calbration data. It is now reported directly from CCalibration
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to CTouchscreen. If external logic needs calibration, it can now get it
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from CTouchscreen instead of CCalibration. This change was necessary
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to make the termination conditions of CCalibration clean (it used to
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have to persist until some external logic got the Calibration data).
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* IApplication, IApplicationWindow, and all classes that inherit from
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these: Now support method to report if the application is a full-screen
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or a normal application. This is necessary to prevent CTaskbar from
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displaying a task bar on top of a full-screen window.
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* NxWM::CTaskbar: Ooops... minimizing the wrong application!
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* NxWM::CNxConsole: Add a on_exit() exit handler that will close the
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NxConsole window when the NSH thread exits. A correct build now depends
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on having CONFIG_SCHED_ONEXIT defined.
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* NXWidgets::CNxWidget: Add a new onPreRelease() method.
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* NXWidgets::CButton, CButtonArry, CImage now post action event at pre-release time.
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* NxWM: ICON touches are now drive by action events instead of click events.
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* NXWidgets::CNxTkWindow: Reported size of a framed window must exclude the
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height of the tool bar (if present)
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* TODO.txt: Add a file to keep track of issues.
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* NxWM::CStartWindow and IApplicationFactory: This is a substantial
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redesign. IApplication wraps an application. However, if we want to
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be able to start multiple copies of an application, then we need to
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be able to create multiple IApplication instances from the start window.
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Enter IApplicationFactory. Icons in the start window now correspond
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to application factories; icons in the task bar no correspond to
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application instances.
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* NxWM::CStartWindow and CWindowControl: The above change necessitated
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another architectural change: When create applications, it is sometimes
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necessary to wait for windows events. The above change moved the
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application creation to the window event thread, hence, causing deadlocks
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wheneven the logic tried to wait for a window event. The solution was
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to create a new thread, called the start window thread, that runs
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asynchronously and can wait for windoew events.
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* doc/NxWM-ThreadingModel.ppt: Documented the now rather complex NxWM
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threading model.
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1.2 2012-06-15 Gregory Nutt <gnutt@nuttx.org>
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* NXWidgets::CCallback: callback arguement is now type CCallback and not
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CWidgetControl; Added a method to redirect keyboard contacts to either
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the widgets in the window (via CWidgetControl) or to an NxConsole (via
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nxcon_kbdin()).
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* NXWidgets::INxWindow, CBgWindow, CNxTkWindow, CNxToolbar, CNxWindow:
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Now pass the CCallback intances as the callback argument instead of
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the CWidgetControl instance. New method redirectNxConsole() will
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support redirection of any window keyboard input to the NxConsole
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(via CCallback).
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* NxWM:CNxConsole: Configures the NxConsole window to redirection keyboard
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input to the NxConsole; redirects standard input to the NxConsole
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device driver.
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* NxWM:CKeyboard: Add a new class that implements a keyboard listener
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thread. This thread reads from /dev/console and injects the keyboard
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input into NX. NX will determine which window is at the top of the
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heirarchy and re-direct the keyboard input to only that top window.
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This solves an important problem with, for example, running multiple
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copies of the NxConsole: On the copy of the NxConsole at the top of
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the heirarchy should get the keyboard input.
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* UnitTests/nxwm/main.cxx: Now starts the keyboard thread if
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CONFIG_NXWM_KEYBOARD is defined.
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* NxWM::CTaskbar: After drawing the task bar, need to raise the
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application window otherwise the taskbar will be on the top and
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keyboard input will not be received by the top application.
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* NxWM::CTaskbar: Bugfix... previous window should not be minimized
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when a new window is started. It should stay in a maximized state
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so that it will re-appear with the window above it is closed or
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minimized.
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* NxWM::CHexCalculator: Add a hexadecimal/decimal calculator
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example.
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* NXWidgets::CNxTkWindow: Back out height adjustment in the getSize()
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method. The code was correct as it was before.
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* NXWidgets::CButtonArray and NXWidgets::CGraphicsPort: There is
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a kludge in there to handle the case where we cannot read the
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background data because the LCD does not support read operations.
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In that case, we just use the default background color. However,
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that doesn't work either for the case where the background color
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changes when the widget is selected. Then the background color
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in the font is wrong. Fixed in CButtonArrary, but the problem
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probably exists in other places as well.
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* NxWM: Increase default spacing of icons on the Start Window.
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* NxWM::CHexCalculator: Fix some non-standard calculator behavior
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after = is pressed. Use upper case hex. Increase font size.
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* nxwm/Makefile: Fix error that creapt in during some other
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recent check-ins.
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1.3 2012-09-29 Gregory Nutt <gnutt@nuttx.org>
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* UnitTests/*/main.cxx: Change entry point name to be consistent
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with with entry point naming conventions introduced in NuttX
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6.22.
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* Kconfig: Added a mconfig configuration file. Eventually, NxWidgets
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needs to get hooked into the NuttX mconf configuration. Still not
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exactly sure how to do that.
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* libnxwidgets/Makefile and NxWidgets/nxwm/Makefile: Need updates
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for consistency with recent changes to NuttX build system (>= 6.22)
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* Kconfig: Add option to turn on the memory monitor feature of the
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NxWidgets/NxWM unit tests.
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1.4 2012-12-20 Gregory Nutt <gnutt@nuttx.org>
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* libnxwidgets/Makefile, NxWidgets/nxwm/Makefile, and
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NxWidgets/UnitTests/nxwm/Makefile: Makefile improvements from
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submitted by Petteri Aimonen. Other Makefiles in the UnitTests
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directory probably also need these changes.
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* libnxwidgets/src/ccallback.cxx: Fix misplaced #endif. Provided
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by Petteri Aimonen.
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* libnxwidgets/src/cnxserver.cxx: Reduce delay to allow NX server
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to start. One second was un-necessarily long. Reduced to 50 MS.
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Reduction suggested by Petteri Aimonen.
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* tools/bitmap_converter.py: This script converts from any image type
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supported by Python imaging library to the RLE-encoded format used by
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NxWidgets.
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* NxWidgets/nxwm/src/capplicationwindow.cxx: If the "desktop" is empty,
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users have no need to minimize any windows. If the buttons are small,
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it's easy to hit minimize button accidentally when trying to close an
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application. Contributed by Petteri Aimonen.
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* NxWidgets/nxwm/src/ctaskbar.cxx: Add an option to eliminate the
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background image. Contributed by Petteri Aimonen.
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* NxWidgets/nxwm/src/chexcalculator.cxx and NxWidgets/nxwm/src/cstartwindow.cxx:
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The config settings CONFIG_NXWM_STARTWINDOW_ICON and CONFIG_NXWM_HEXCALCULATOR_ICON
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allow changing the icons used for these applications. However, to declare symbols
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for these icons user would need to modify NxWidgets header files.
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This commit adds a simple forward declaration to the relevant files, based on the
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configured icon. If the icon does not exist, linker will give an error about it.
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Contributed by Petteri Aimonen.
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* NxWidgets::CTaskBar: Highlight the current window in the task bar.
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Contributed by Petteri Aimonen.
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* NxWidgets/libnxwidgets/src/glyph_cycle.cxx: Width of glyph_cycle was wrong;
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Destructor needs to by public. From Petteri Aimonen.
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* NxWidgets::CNumericEdit. This is basically a label with plus and minus buttons.
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Contributed by Petteri, Aimonen.
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* NxWM::CStartWindow: Fix mq_receive error handling with signal is recieved.
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From Petteri Aimonen.
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* NxWidgets::CNxTimer: Replace the original (apparently non-functional) signal-
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based solution with a work queue-based solution. This raises some isses about
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using the internal work queues from user space. I have decided to implemented
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user-space work queues (someday) in order to accomplish that functionaliy.
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Submitted by Petteri Aimonen.
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* NxWidgets:CText and NxWidgets:CNumericEdite: Fix some memory freeing bugs
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(from Petteri Aimonen).
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* NxWidgets::CScrollingPanel: Usability improvements. It is borderless for now,
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because there was no easy way to redraw only the required part of the border.
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Contributed by Petteri Aimonen.
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* NxWidgets::CNxWidgets and NxWM::CStartWindow: Small changes to make sub-
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classing easier (from Petteri Aimonen).
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1.5 2013-02-01 Gregory Nutt <gnutt@nuttx.org>
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* NxWidgets::CGraphicsPort::move(): Fix typo bug in bounding rectangle
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calculation (from Petteri Aimonen).
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* NxWM::CScrollingPanel::scrollChildren(): Avoid unnecessary redraws in
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CScrollingPanel (contributed by Petteri Aimonen).
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* NxWM::CCycleButton: Remove the separator from CCycleButton. It draws in
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wrong place, and doesnt look very good in the correct place either.
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(from Petteri Aimonen).
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* NxWidgets::CGraphicsPort: Many times we only want a constant background.
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In that case the old code fills the background, reads it back, renders
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the text and then writes it back. When used with LCD's (instead of
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framebuffers) this causes unnecessary delay and screen flicker.
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This commit adds a variant of drawText that takes background color,
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so that the background and text can both be rendered at one go.
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The old functions still function as before (Petteri Aimonen).
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* NxWidgets::CLabel: The label was drawn as a single rectangular region,
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then a text was added to the on top of this. The result is that the
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text would flicker when the CLabel was updated. With this change, the
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two step update is replaced with a five step update: The background
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is updated as four rectangulear regions (leaving the previous text in
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place), then the new text is updated. This eliminates the flicker
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(Petteri Aimonen).
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* Kconfig: Many NxWidgets/NxWM settings do not have meaningful, generic
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default values. Colors, for example, depend on pixel depth. Some
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geometry settings depending on other geometry settings. Font IDs are
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not know-able by the configuration system. etc. In these cases, it
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is best if the settings are just not undefined so that the system can
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calculate a reasonable default. however, if no default is provided
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in the .config file, mconf will complain and generate errors. So work
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around this, I added several "enabling" settings to override the
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default setting. This is awkward and I preferred the configuration as
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it was before, but this avoids the mconf errors and warnings.
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* UnitTests: Changed occurrences of lib_rawprintf() and lib_lowprintf()
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to match recent changes to NuttX (will be in NuttX-6.25)
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* CGraphicsPort::_drawText: Renamed from CGraphicsPort::drawText in order
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to eliminate some naming collisions when overloaded in some configurations
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(i.e., when both bool and nx_pixel_t are uint8_t). From Petteri Aimonen.
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* CNxWidgets::drawContents: Change base drawContents from a do-nothing
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function to a function that fills the widget with the background color.
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This is useful when using CNxWidgets as a "panel" , i.e. a container
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for other widgets. Subclasses will override drawContents and decide
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themselves how to draw the background.
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* CNxWidgets::CTabPanel: A new widget contributed by Petteri Aimonen.
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This widget provides a tab panel, which has a button bar at the top
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and panels below it. Pressing a button will select the corresponding
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panel.
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1.6 2013-03-15 Gregory Nutt <gnutt@nuttx.org>
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* Type of argv[] has changed from const char ** to char * const *
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* NXWidgets::CNxWidget: Add an inline function to get the current style.
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* NxWM::CTaskBar: Make a some methods of CTaskbar virtual to allow
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customizations. From Petteri Aimonen.
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* NXWidgets::CCycleButton: Make CCycleButton change state in onPreRelease().
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This way the new value is already available when a listener gets the
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action event. From Petteri Aimonen.
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* NxWidgets/tools/bitmap_converter.py: Fix bitmap_converter.py so that
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it works with indexed input images.
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* NxWidgets::CLabel: Fix backward conditional compilation in the
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"flicker free" logic.
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* NxWidgets::CNxTimer: Previously repeated timers were re-enabled after
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the timer action event. Consequently, if the action event handler tried
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to stop the timer, the request would be ignored. Changes the order
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so that the timer is re-enabled before the callback. There is still
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no risk of re-entrancy, because everything executes on the USRWORK work
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queue. From Petteri Aimonen.
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* NxWidgets::CMultiLineTestBox: Fix text placement error. From Petteri
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Aimonen.
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* NxWidgets::CWidgetControl: Added another semaphore, boundssem, which
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is set as soon as the screen bounds are known. This corrects two
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problems:
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1) Due to the way nxgl_rectsize computes the size, it will never
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be 0,0 like CWidgetControl expects. Therefore the size is considered
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valid even though it has not been set yet.
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2) After the check is fixed to test for > 1, NxWM window creation will
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hang. This is due to the fact that it uses the screen bounds for
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determining window size. This was being blocked on geosem, which
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is only posted after the size has been set.
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From Petteri Aimonen.
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* NxWidgets::CImage: Two enhancements:
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1) Allow changing the bitmap even after the control has been created.
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2) Allow giving 'null' to have the control draw no image at all.
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From Petteri Aimonen.
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* NxWM::CTaskBar: Allow windows with null icon. This makes sense for e.g.
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full screen windows. From Petteri Aimonen.
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* NxWM::CApplicationWindow: Add config options to override NxWM
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stop/minimize icons. From Petteri Aimonen.
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* NwWM::CStartWindow, NxWM::CWindowMessenger: Get rid of the start window
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thread. Instead, handle all events through the USRWORK work queue.
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For me, this was necessary because I would open some files in button
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handlers and close them in NxTimer handlers. If these belonged to
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different tasks, the close operation would fail. Further benefits:
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+ Gets rid of one task and message queue.
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+ Reduces the amount of code required
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+ Decouples CStartWindow from everything else - now it is just a window
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with application icons, not an integral part of the event logic.
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+ All events come from the same thread, which reduces the possibility of
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multithreading errors in user code.
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+ The user code can also send events to USRWORK, so that everything gets
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serialized nicely without having to use so many mutexes.
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Drawbacks:
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- Currently the work state structure is malloc()ed, causing one allocation
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and free per each input event. Could add a memory pool for these later, but
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the speed difference doesn't seem noticeable.
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- The work queue will add ~50 ms latency to input events. This is however
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configurable, and the delay is anyway short enough that it is unnoticeable.
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From Petteri Aimonen.
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1.7 2013-04-28 Gregory Nutt <gnutt@nuttx.org>
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* NxWidgets bitmap_converter.py: Fix bug when image width > 255. From
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Petteri Aimonen (2013-4-22).
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* NxWM::CScrollbarPanel: Fix spelling error in class name: CScollbarPanel
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should be CScrollbarPanel. From Petteri Aimonen (2013-4-22).
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* NxWidgets:: CGlyphButton: Generate action event, like CButton does.
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From Petteri Aimonen (2013-4-22).
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* NxWidgets:: CGlyphButton: Prevent drawing outside of the bitmap size.
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From Petteri Aimonen (2013-4-22).
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* NxWM::CTaskBar: Add option CONFIG_NXWM_TASKBAR_NO_BORDER to suppress
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drawing of the border on the taskbar. From Petteri Aimonen (2013-4-22).
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* NxWidgets::CNxTimer: Add function to check if CNxTimer is running.
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From Petteri Aimonen (2013-4-22).
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* NxWidgets::CNxWidgets: Allow overriding of the checkCollision() method.
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From Petteri Aimonen (2013-4-22).
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1.8 2013-xx-xx Gregory Nutt <gnutt@nuttx.org>
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* NxWM::CMediaPlayer: shell application for an MP3 Media Player with
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Kconfig settings to enable it. I plan to write this app to help
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develop and test the MP3 codec chip driver. It really doesn't do
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anything yet except display a text box saying "Coming soon", and I
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need to minimize the icon size a bit. From Ken Pettit (2013-5-11).
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* NxWidgets/nxwm/src/glyph_mediaplayer.cxx: Smaller version of the
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media player glyph. From Ken Pettit (2013-5-12).
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* NxWidgets/nxwm/include/ccalibration.hxx and src/ccalibration.cxx:
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Fix a race condition that would cause the calibration screen
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to fail to come up when its icon was touched (From Ken Pettit,
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2013-5-12).
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* Kconfig: Default priorities for NxWidget and NxWM threads
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should be 100, not 50, to be consistent with other default priorities.
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* NxWidgets::CGlyphSliderHorizontal and NxWidgets::CGlyphSliderHorizontalGrip:
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New widgets added by Ken Pettit (2013-5-15).
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* NxWidgets/UnitTests/CGlyphSliderHorizontal: Addes a unit test for the
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NxWidgets::CGlyphSliderHorizontal class. From Ken Pettit (2013-5-17) .
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* NxWidgets::CGlyphSliderHorizontal: Fix a drawing error. From Ken
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Pettit (2013-5-17).
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* UnitTests/*/Makefile and .gitignore: Update the way that NSH
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the Unit Tests are registered as built-in NSH applications (2013-5-30).
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* NxWidgets::CImage: Allow a NULL pointer for a bitmap. Add protection
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to prevent dereferencing the NULL pointer. From Petteri Aimonen
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(2013-6-3).
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