Wee need to assure that bitmap added to the internal collection always
have a mask. If necessary this mask is created from alpha channel values.
Also, for compatibility with wxMSW implementation we need to prevent
the bitmap from having both a mask and alpha channel.
If wxBitmap with mask is added to wxImageList that doesn't support masks
we need to convert a bitmap mask to alpha channel values prior to adding
bitmap to the list to preserve bitmap transparency.
If wxBitmap with mask is added to wxImageList that doesn't support masks
we need to convert a bitmap mask to alpha channel values prior to adding
bitmap to the native list to preserve bitmap transparency.
Closes#19036.
Just sort the features in the same section in alphabetical order to make
it easier to find the given feature in the list (or confirm that it is
not present).
No real changes.
Use tool position as offset from group position and not vice versa, both
because this was already done like this in the other places and because
this makes more sense: the tool is inside the group, so its position is
relative to it.
No real changes.
Don't update wxRibbonToolBar and wxRibbonButtonBar tooltips each time
the mouse was moved, this was inconsistent with the standard tooltips
behaviour and resulted in flicker.
Also don't show tooltips at all over a dropdown, as they partially
covered and, again, such behaviour is very non-standard.
Closes https://github.com/wxWidgets/wxWidgets/pull/2162
Drawing a circular point into a square pixel does not completely fill the pixel
with the new color, resulting in an alpha-blended appearance. Instead, draw a
square into the pixel. As a bonus, this is much faster, at least with Cairo.
See #19037
When using pre-v6 comctl32.dll (e.g. by disabling the visual styles
explicitly or by just not using the manifest), we need to update the
drop down height manually, and for this we must ensure that overridden
wxChoice::DoMoveWindow() is called from MSWUpdateDropDownHeight().
Closes#19026.
Using this object we can put an wxImage on or retrieve it from the clipboard. wxImage is stored internally as a blob with either a PNG file (wxMSW, wxGTK) or a TIFF file (wxOSX) and therefore some its metadata (like resolution) is stored on the clipboard too (what is not the case for wxBitmap stored with wxBitmapDataObject). wxImages stored with wxImageDataObject can be used by native applications.
Closes#17631.
PNG is a custom clipboard format but images stored in this format are supported by e.g. MS Excel, MS PowerPoint, GIMP (including image transparency).
See #17631.
When an item is marked as not containing any value in the expander
column, we must still draw the expander button if it has children, so
skip only drawing the item value in this case (and also preparing it for
drawing it, as calling PrepareForItem() would trigger an assert failure
for the items without value), but still execute the rest of the drawing
code for it, including drawing the background and expander button.
Closes https://github.com/wxWidgets/wxWidgets/pull/2144
We can't skip resorting wxDataViewCtrl contents when the sort order is
defined by the model class, as it can change at any moment, so restrict
this optimization to the cases when we're sorting by the value of some
column.
Closes https://github.com/wxWidgets/wxWidgets/pull/2153
Do not invoke a renderer's PrepareForItem when estimating best column
width in generic wxDVC for items with no value because PrepareForItem
fails for items with no value when the null variant cannot be converted
to the expected type.
Closes https://github.com/wxWidgets/wxWidgets/pull/2149
Double clicking on empty space under the items in wxDataViewCtrl still
results in actionDoubleClick: being called, even though there is no
valid item under the mouse.
Just ignore such notifications, as we're not supposed to generate any
events in this case (neither GTK nor generic version do it) and calling
itemAtRow: with invalid row results in errors due to invalid index use.
Closes https://github.com/wxWidgets/wxWidgets/pull/2142Closes#18984.
If HBITMAP represents 32-bit bitmap we need to check if this is a bitmap with transparency (ARGB) or maybe RGB only (0RBG) and set alpha flag accordingly.
Closes#18798.
When using wxGridCellAutoWrapStringRenderer::GetBestWidth() with a cell
containing more newlines than fit, the function never exits because it
keeps on trying to wrap fit into the number of lines based on available
height only.
Fix by also taking into account the number of newlines a cell's text
value has.
Closes#15943.
Check that a row's height doesn't change when auto-sizing a column with
an auto-wrapping cell containing newlines.
Also currently will cause an infinite loop which will be fixed in the
next commit.
See #15943.
This style doesn't make any sense here, but using it is confusing
because it has the same value as wxCANCEL and is interpreted as it,
rather than as expected by users.
We can't do much about this, but at least document that this flag
doesn't work to prevent people from wasting time trying to use it.
