By Michael Fielding
As discussed on wx-dev. some fixes and improvements for Interprocess Communication (IPC), using DDE and TCP.
1. DDE buffers were using a global buffer
2. TCP buffers were allocated each time needed, and Request would have caused memory leaks had it been used.
Fixed these both by using a self-resizing buffer in wxConnectionBase. Changed samples and docs to reflect the improved (but backward compatible) internal buffer management. wxConnectionBase could (in future) use wxMemoryBuffer.
3. IPC sample had trouble closing, causing crash, when closing server using window X button.
Because it was (effectively) trying to delete a window in OnExit, when that window was already destroyed. Fixed by making IPCDialog and MyConnection remember if they'd destroyed each other. It's not elegant, but either the connection or the window could be deleted first.
4. Docs for wxDDE... and wxTCP... duplicated eachother, supposed to have same API. Some parts unclear.
Patch removes dde and tcp-specific files (including from tipc.tex and classes.tex), and explains how ipc.h selects for you which one to use based on platform. Some other misc clarifications.
6. Client sample was suffering apparent memory leak because of not deleting connection object, and had a hack in there to do that.
In fact this was due to the derived OnDisconnect not deleting itself, as it does in base class. Mentioned need to do it in docs, fixed sample so that it does.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16907 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
By Robert O'Connor
This is a patch to wxTip Provider classes used by the "Tip of the day" dialog.
See wx-dev archives August 2002 for discussion of the functionality design.
It does 5 things:
-Support for comments inside the tips file. The pound character (#) is used, as recommended by Vadim.
-Allows optional easy translation support to tips, by marking them as translatable for gettext, by enclosing them in a _(""). Program will translate these tips at runtime from the active catalog.
-Blank lines or lines with just spaces are automatically skipped (I had to put this in, I keep wondering why I get blank tips sometimes and it is because the text file had a empty blank line at the end of the text file).
-There is a pluggable virtual function to preprocess to modify the tip in a derived class, in case something specialized is desired, such as variable expansion, etc, as recommended by Julian and Vadim.
-Now resets the tip counter if the previous tip is past the end of the file (ie you removed some tips, or changed tip files), as discussed on wx-dev.
This patch updates:
-The classes.
-The class documentation and the Tip-of-the-day topic overview documentation.
-The dialogs example, placing some new strings for the tips.txt file which demonstrate how to use the Tip-of-the-day features for in practice.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16887 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Proposed fixes for the wxWindows joystick code under
MSW.
Some of these would be valid for other platforms, too.
Events for buttons are named wrong, docs say different.
Docs say EVT_JOY_BUTTON_DOWN and
EVT_JOY_BUTTON_UP,
but the code says EVT_JOY_DOWN and EVT_JOY_UP. I
suggest
changing the code to match the docs.
wxJoystick::GetNumberJoysticks() should be a static
member
function. Having to create a joystick object to see if there
are joysticks is silly.
Docs for GetNumberJoysticks() must be changed; it returns
the
number of potentially connected joysticks, not the number of
actually connected. Alternatively, GetNumberJoysticks() and
others must be rewritten to conform with documentation,
including
remapping of wxWindows sequential joystick ID's to match
MSW non-sequential joystick ID's.
dwSize is not set when joyGetPosEx() is called. SEVERE
ERROR.
Error return value from functions should not be a legal
return,
for instance, wxJoystick::GetPOVCTSPosition() returns 0
for error,
but this is a legal return value.
GetButtonState() supports only four (out of 32) buttons.
Also, should return as bitmap (LSB = button 1). (Win32
does this,
although not documented as such).
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16630 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This allows changing the padding of the icons and text
in the tab of a wxNotebook for wxGTK.
Since the container in the tab is only a horizontal
container only the width component is used. Negative
values are acceptable so no checks were made.
It now defaults to a padding of 0 on the sides and 1 in
between the icon and label, looks good for a few
"themes" I tried.
Note: Unfortunately there is no function to set the
padding on the left or right side of a widget.
gtk_box_set_child_packing sets padding on BOTH sides of
a widget so you'd get double the spacing between an
icon and the label. To get around this, the icon (if
there was one) is removed and added back. That way the
icon will provide the padding on the left and the label
will provide the padding between and to the right. It
looks nice for all sizes. The
gtk_container_set_border_width unforuntately only adds
borders to ALL sides equally.
A simple check is to add m_notebook->SetPadding in one
in the spinctrl callback in the controls sample. (set
appropriate range too -10,20). Note that the tab sizes
change to fit the width of the panel, if appropriate,
and so the spacing between the icon and label changes
accordingly. This isn't a bug, but it does look weird
as you scan up and down the spacing (which nobody would
normally do).
I also changed all wxGtkNotebookPage variables to
nb_page so that "int page" would be used to mean the
page number. Just cosmetic for consistency with the
rest of the functions that were already like that.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16412 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
