Use the left border color for tree lines. This is similar to
our use of top border color for grid lines. As a side-effect,
tree lines now get recolored when they are in a selected row.
https://bugzilla.gnome.org/show_bug.cgi?id=415415
The pre-gestures code used to compare the current button press with the
previous one on !activate_on_single_click, and unset the previous event
data so ::row-activated would be emitted every 2 clicks.
So do the same with the multipress gesture and reset it after every 2nd
click to have ::row-activated emitted multiple times while manic clicking.
https://bugzilla.gnome.org/show_bug.cgi?id=735353
That gesture is meant to handle clicks on multiple buttons, so unset
the GDK_BUTTON_PRIMARY default. Also, remove unnecessary boilerplate
with the new GtkGestureSingle/GtkEventController defaults.
https://bugzilla.gnome.org/show_bug.cgi?id=734285
This check used to be present in the pre-gestures code, but was unintentionally
removed when splitting code into drag/multiclick gestures. The policy used to
be that if clicking happened on an already selected node, DnD would happen
instead of rubberband selection, so this behavior is resuscitated.
https://bugzilla.gnome.org/show_bug.cgi?id=734143
The rules-hint property has always been a fairly bad application API, as
it set some wrong expectations for the developers; deferring to the
theme makes it impossible to design application reliably, and if this is
a usability setting we should either impose this setting on every theme,
or simply drop it.
Our own default theme does not honour the zebra striping, which makes
this function even more questionable.
In practice, usability studies on zebra striping have demonstrated that
alternating colors on a list it improves readability just as much as
clear ruling between rows, or by visually differentiating the selected
row. Zebra striping improves readability (or, at least, it does not
hinder it) on static displays, like a table on paper or a document; on a
dynamic display, like an application's UI, there are different
strategies that yield similar, if not better, results.
https://bugzilla.gnome.org/show_bug.cgi?id=733312
The animated scrolling interferes with incremental validation.
As short-term solution, disable scrolling animation during
incremental validation. This is not a proper solution, but
it avoids broken behavior like scrollbars that are not reacting
to clicks. The problem was visible, e.g. in the list view
example in gtk3-demo.
The animated scrolling interferes with incremental validation.
As short-term solution, disable scrolling animation during
incremental validation. This is not a proper solution, but
it avoids broken behavior like scrollbars that are not reacting
to clicks. The problem was visible, e.g. in the list view
example in gtk3-demo.
The reparenting happening on the column header so it gets a movable
window breaks the implicit grab, so this is one situation were we
want a pointer grab, if just to replace it.
https://bugzilla.gnome.org/show_bug.cgi?id=732933
Code was expecting view coordinates, not widget ones, as we're
only dealing with horizontal displacements, just adding the
horizontal adjustment value suffices.
https://bugzilla.gnome.org/show_bug.cgi?id=732933
Regions are done in a very non-css way. They don't fit the DOM in that
they don't integrate into the CSS tree and they have very weird matching
behavior in selectors.
So I'm deprecating them now. GtkNotebook and GtkTreeview will continue
to use them and as long as they do, we can't remove the code for it.
But once those are ported it might be safe to remove the code as it will
clean up lots of places in the code by quite a bit.
The rubberband rendering code was assuming that we just have
a 1-pixel border and the rest of the rubberband is uniform.
That is not a safe assumption to make with css-styled
rubberbands, so remove it.
The code is actually prepared for that, the gesture was initially limited
to only handling GDK_BUTTON_PRIMARY because it only used to handle row
activation.
This gesture acts only on events from the bin window, and checks that
either the pressed row is draggable, or the conditions for rubberband
selection apply.
A multipress gesture takes care of autosizing on double click, and
a drag gesture is used for both column dragging/resizing (only one
can happen at a time).
Otherwise the event is possibly handled, but still propagated further anyway.
Ensure the event is consumed by claiming the current sequence on the
GtkGestureMultiPress::pressed handler.
::row-activated only used to be triggered by GDK_BUTTON_PRIMARY, so make
the multipress gesture handling this now to be only triggered by that same
button.
https://bugzilla.gnome.org/show_bug.cgi?id=731020
Mainly doing s/TARGET/BUBBLE/ on the fully ported widgets, but GtkTreeView
where the double click handler has moved to GTK_PHASE_TARGET so it runs
parallelly to the still existing event handlers.
Event controllers now auto-attach, and the GtkCapturePhase only determines
when are events dispatched, but all controllers are managed by the widget wrt
grabs.
All callers have been updated.
The propagation phase property/methods in GtkEventController are gone,
This is now set directly on the GtkWidget add/remove controller API,
which has been made private.
The only public bit now are the new functions gtk_gesture_attach() and
gtk_gesture_detach() that will use the private API underneath.
All callers have been updated.
When the adjustment changes (due to e.g. a mouse wheel scroll) we update
the prelight. The part that un-prelights the previous prelight was
broken by the the pixel cache, as it called update_prelight in the
middle of the scrolling operation, where the windows were moved
but the tree_view->priv->dy was not changed to the new value. This
caused the updates to the pixel cache to go to the wrong place.
We fix this by fully doing the scroll before we update_prelight().
https://bugzilla.gnome.org/show_bug.cgi?id=728284
GTK_TREE_VIEW_TIME_MS_PER_IDLE is currently 30 milliseconds, meaning
that validate_rows will validate rows up until all the validations have
taken over 30 msecs. So it's likely to block redrawing via the clock
frame update mechanism, as that tops at 16.66 milliseconds per frame
(1/60th of a second).
Stop validating rows if we've spent more than 3/5 of our allotted budget
for inter-frame processing, so as to avoid blocking.
In the future, we would probably want to calculate how long we would
have left until the next frame, especially if higher priority idles
and timeouts have already consumed a portion of that allotted time.
https://bugzilla.gnome.org/show_bug.cgi?id=726871
Stop ignoring various crossing events from grabs:
Enter events with type GRAB/GTK_GRAB/GTK_UNGRAB/STATE_CHANGED:
Ignoring these events was added as a workaround for synthesized
events not having the right coordinates (see bug 555109) but
now they do have the right coordinates. (see bug 704456)
Leave events with types types GTK_GRAB/GTK_UNGRAB:
Ignoring these events was added because since we were ignoring
the enter events as above, ignoring the leave events meant we
could lose the prelighted row in a grab-triggered leave/enter
pair. (See bug 653676. It's also now impossible to
reproduce the leave events that were reported in that bug as causing
problems.)
Leave events of type GRAB.
Ignoring these events was added without a ChangeLog entry in 2001,
possibly to keep the prelight from flashing when activating menus.
But ignoring these events could lead to stuck prelighting, and we don't
do it for any other widgets.
https://bugzilla.gnome.org/show_bug.cgi?id=726209
The bug this patch is fixing is that currently if you have a GtkPopover in
clicking off the popover to dismiss it on a GtkTreeView (which triggers
a synthetic enter event on the GtkTreeView) will leave the GtkTreeView
in a confused state until the user moves the mouse again.
That doesn't make sense.
And it causes issues, because when holding down the tab key, we
show/hide a lot of windows and cause a lot of map/unmap events that
stall the event pipeline.
Add documentation for GtkTreeView::move-cursor
Add links to GtkTreeModel::row-inserted and GtkTreeModel::row-deleted
in the documentation for gtk_tree_view_set_reorderable ().
https://bugzilla.gnome.org/show_bug.cgi?id=725560
gtk_tree_view_remove_column was first removing the column from
its list, then call gtk_tree_view_column_unset_tree_view, which
would then call gtk_container_remove to remove its button from
the treeview. But the treeview remove implementation relied
on the column being still in the list in order to recognize
the button as 'special', so in effect the button was never
properly removed and thus, leaked.
Fix this by callling unset_tree_view before removing the
column from the list.
https://bugzilla.gnome.org/show_bug.cgi?id=724891
Suprisingly, this bug has been there for a very long time.
I'm fixing it now because we now use a custom search entry
in the app chooser dialog, and this is causing the templates
cleanup test to fail.
The bin window's background would have to be drawn in the bin window's
size and inside the pixel cache draw function to not cause transparency
issues.
But because it's unnecessary as the view window draws the same
background, we just skip it.
https://bugzilla.gnome.org/show_bug.cgi?id=709027
Don't recurse the mainloop in _gtk_tree_view_column_start_drag().
It doesn't serve any discernible purpose, and recursing the
mainloop from the flush-events phas of the frame clock breaks
frame synchronization with mutter.
https://bugzilla.gnome.org/show_bug.cgi?id=705176
When trying to drag, we currently the position of the first motion
event to determine where the drag came from. This might be alright
in the case of the old animation, but the data will be inaccurate
if the user has moved the pointer quite a bit since pressing the
cursor to start dragging. While we could monkey patch the GdkEvent
at the widget layer, this is unintuitive and strange.
Add a new API that takes a set of pointer coordinates describing
the origin of the drag. Additionally, adapt most widgets to use
it and use it with correct coordinates.
https://bugzilla.gnome.org/show_bug.cgi?id=705605
This invariant stopped being guaranteed when we moved the visible area
validation from a high priority idle to a tick callback.
Fixes redrawing bugs like row expanding sometimes not having any visual
effect.
Instead of storing the rect in the bin window, store the row and column
the editable belongs to and compute the rect lazily. This way, we don't
need to keep the rect up to date.
Fixes /TreeView/scrolling/new-row-mixed/path-500 test.
We register an invalidate handler on the bin window to get told
of child widget invalidations, although we manually need to discard
invalidates from the scroll operation.
Additionally we invalidate all of the pixel cache whenever
the TreeView itself is queue_draw()n to handle e.g. style (bg)
changes, or changes due to model changes causing queue_draw() in
the tree view.
We used to divide the row in thirds vertically, and use the outer thirds for GTK_TREE_VIEW_DROP_BEFORE and AFTER, respectively.
Now we use *fourths*. This is so that we get equal areas for these:
GTK_TREE_VIEW_DROP_BEFORE
GTK_TREE_VIEW_DROP_INTO_OR_BEFORE
GTK_TREE_VIEW_DROP_INTO_OR_AFTER
GTK_TREE_VIEW_DROP_AFTER
This makes hovering tree rows much more positive.
Signed-off-by: Federico Mena Quintero <federico@gnome.org>
This reverts commit 666d10ec76.
This change severely broke any treeviews without horizontal
scrollbars. Basically, ellipsization never kicks in, and instead
the treeview content just extends outside the visible area,
rendering it inaccessible. This broke e.g. the control-center
keyboard shortcuts panel, the gnome-disks device list, etc etc.
