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annotate readme @ 1194:d2f37fda40df

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Updated the readme file with the latest changes.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Wed, 28 Sep 2011 15:03:50 +0000
parents 1e0cd8dafdfb
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1 This is a preview release of Dynamic Windows version 2.2.0.
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3 The current Dynamic Windows source base is considered stable on:
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4 OS/2, Mac, Windows, Linux, FreeBSD and Solaris.
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6 Known problems:
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8 Boxes with no expandable items will have their contents centered on
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9 GTK2 instead of top or left justified on the other platforms.
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10 This has been rectified in the GTK3 version via GtkGrid.
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11 GTK3 due to changes in the core architecture does not support
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12 widgets that are smaller than what is contained within them
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13 unless they use scrolled windows. GTK2 and other platforms do.
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14 GTK 3.0 is not fully supported due to missing GtkGrid functions and
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15 severe layout bugs that can't be worked around. Use 3.1 or higher.
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16 Mac version built on Lion with Xcode 4.1 in 64bit mode will encounter
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17 a compiler optimization problem with the default gcc compiler.
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18 The workaround is to disable optimization or use clang instead.
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20 Known limitations:
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22 It is not safe on all platforms to operate on widgets before they
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23 are packed. For portability pack widgets before operating on them.
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25 On Windows a slider control will only work properly if it is the
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26 only slider in a box. If there is more than one slider control
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27 in a box then signals may get misdirected to the wrong control.
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29 On Unix (GTK) the window manager border is not a constant value
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30 so environment variables DW_BORDER_WIDTH and DW_BORDER_HEIGHT
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31 are used for proper positioning.
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33 On Mac if performing Dynamic Windows operations on secondary
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34 threads which do not terminate, it may be required to call
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35 a Mac specific DW function _dw_pool_drain() at the end of the
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36 thread's loop to prevent memory leaks.
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37
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38 Future features:
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40 OS/2 is currently missing the Calendar and HTML widgets because
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41 the system does not support them by default. Looking into writing
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42 custom ones or importing functionality from available libraries.
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44 Changes from version 2.1:
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45 Added printing support via dw_print_new, dw_print_run and dw_print_cancel.
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46 Added pixmap font override support. In prior versions when drawing
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47 text to pixmaps the font set on the associated window handle is used.
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48 dw_pixmap_set_font() can now override that font setting, and now
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49 pixmaps without associated windows are supported and used in printing.
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50 Added dw_mutex_trylock() function to try to obtain a mutex without blocking.
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51 Added DW_TIMEOUT_INFINITE which can now be used with dw_event_wait() in
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52 addition to dw_named_event_wait(), to block until the event is posted.
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53 Added DW_PERCENT_INDETERMINATE which can be passed to dw_percent_set_pos().
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54 This should work on all platforms except old versions of Windows and OS/2.
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55 Added the subversion revision number as the third Dynamic Windows version
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56 number when building from a subversion source tree.
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57 Improved container optimization on Mac, header width now taken into account.
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58 Fixes for incorrect return codes from the dw_event_* functions on Windows.
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59 Fixes for incorrect behavior on key_press callbacks on Mac and Windows.
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60 Fixes for MDI support in GTK3.
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61 Fixes for lots of GTK3 layout and window positioning issues...
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62 although minimum size issues are still present.
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64 Dynamic Windows Documentation is available at:
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66 http://dbsoft.org/dw_help.php
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68 If you have any questions or suggestions feel free to email me at:
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70 brian@dbsoft.org
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72 Thanks!
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74 Brian Smith