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Author SHA1 Message Date
Emmanuele Bassi
46430ea85b Add Constraints/VFL demo 
Shows how to describe constraints using VFL instead of constructing
objects manually.
 2019-06-30 23:42:45 +01:00
Emmanuele Bassi
859c95b435 Allow adding constraints described through VFL 2019-06-30 23:42:45 +01:00
Emmanuele Bassi
5ea8167802 Add VFL parser for constraints 
Constraints can be expressed with a compact syntax, called VFL (visual
format language).
 2019-06-30 23:42:45 +01:00
Emmanuele Bassi
92d3d55164 Remove GtkConstraintVariable.set_prefix() 
The prefix and name are set at construction time.
 2019-06-30 23:42:45 +01:00
Matthias Clasen
ba2125d8e1 Add an interactive constraints demo 2019-06-30 23:42:44 +01:00
Matthias Clasen
7c96326c18 Make the constraints demo more interesting 
Add a max size to the buttons, to force the
space to open up.
 2019-06-30 23:42:44 +01:00
Matthias Clasen
38d353dc1a Add GtkConstraintGuide 
This is meant to be a flexible space.
 2019-06-30 23:42:44 +01:00
Emmanuele Bassi
7ae04ba36b Use generic pointers for constraint targets 
Since GtkWidget implements GtkConstraintTarget, we can omit the explicit
cast, and validate the type at run time.
 2019-06-30 23:42:44 +01:00
Matthias Clasen
39c284c490 Redefine constraints with GtkConstraintTarget 
This is in preparation for allowing non-widgets
to act as constraint targets.
 2019-06-30 23:42:44 +01:00
Matthias Clasen
895e8e25a8 widget: Implement GtkConstraintTarget 2019-06-30 23:42:44 +01:00
Matthias Clasen
04562a76e3 Add GtkConstraintTarget 
This is an marker interface that we will
use to accept other things that widgets
in constraints.
 2019-06-30 23:42:44 +01:00
Emmanuele Bassi
b6781e06c1 Notify a layout change when adding and removing constraints 
Changing the set of constraints should cause a relayout.
 2019-06-30 23:42:44 +01:00
Emmanuele Bassi
54104b6676 Fix the opposite size measurement in GtkConstraintLayout 
We cannot use the given "for size" when querying our children, because
the constraint layout has no idea about the opposite size of its
children until the layout is complete.

Additionally, we should only suggest an opposite size for the layout if
we have one, instead of suggesting a weak zero size.
 2019-06-30 23:42:44 +01:00
Emmanuele Bassi
21450d5f23 Remove size constraints from ConstraintLayoutChild 
The size constraints are transient to measurement and allocation, so
they don't really need to be stored inside the GtkLayoutChild subclass
created by a GtkConstraintLayout.
 2019-06-30 23:42:44 +01:00
Matthias Clasen
a39bbb2041 constraints: Make internal consistency required 
The relations between left, right, width
and top, bottom, height are required for
internal consistency. It doesn't make sense
to ever drop these.

Changing the strength of these relations makes
my systems behave much more stable.
 2019-06-30 23:42:44 +01:00
Matthias Clasen
176d9c6baf Add gtk_constraint_layout_remove_constraint 
Otherwise, you can't do many interesting things.
 2019-06-30 23:42:44 +01:00
Emmanuele Bassi
64afa765c8 Do not release reference on the subject of an expression 
We don't own the reference in the first place.
 2019-06-30 23:42:44 +01:00
Matthias Clasen
a246d8c926 constraints solver: Avoid critials 
When the solver is finalized with existing
constraints, we end up with criticals when
the constraints ref finalize code calls
back into the hash table. Avoid that by
emptying the hash table beforehand.
 2019-06-30 23:42:44 +01:00
Matthias Clasen
0531e663ee constraint solver: Fix thawing 
There was an obviously wrong precondition here.
 2019-06-30 23:42:44 +01:00
Emmanuele Bassi
bd2349c0a0 Do not leak LayoutChild instances 
Since the LayoutManager owns the LayoutChild it creates, it's also
responsible for mopping them up.
 2019-06-30 23:42:44 +01:00
Emmanuele Bassi
636fbc0f1a Add GtkConstraintLayout demo 2019-06-30 23:42:44 +01:00
Emmanuele Bassi
cdf80f1d65 Add GtkConstraintLayout 
A layout manager using GtkConstraintSolver to measure and allocate
children.
 2019-06-30 23:42:44 +01:00
Emmanuele Bassi
e7b2c530c5 Propagate rooting and unrooting widgets to layout managers 
Layout managers may need to get access to data attached to the root of a
scene graph.
 2019-06-30 23:42:44 +01:00
Emmanuele Bassi
e07098da03 window: Create a GtkConstraintSolver 
Implement the GtkRoot getter for GtkConstraintSolver.
 2019-06-30 23:42:44 +01:00
Emmanuele Bassi
98a21bf498 Assign a GtkConstraintSolver to each GtkRoot 
Constraints need to work across different parents, so it's better to
have a single constraint solver per top level.
 2019-06-30 23:42:44 +01:00
Emmanuele Bassi
c694dd6049 Move the Root interface to a private header 
We don't expect out of tree implementations of GtkRoot, and having the
interface structure private to the GTK code allows us to add virtual
functions involving private types.
 2019-06-30 23:42:44 +01:00
Emmanuele Bassi
6b308cd71e Add constraint solver 
GtkConstraintSolver is an implementation of the Cassowary constraint
solving algorithm:

  http://constraints.cs.washington.edu/cassowary/

The Cassowary method allows to incrementally solve a tableau of linear
equations, in the form of:

  x = y × coefficient + constant

with different weights, or strengths, applied to each one.

These equations can be used to describe constraints applied to a layout
of UI elements, which allows layout managers using the Cassowary method
to quickly, and efficiently, lay out widgets in complex relations
between themselves and their parent container.
 2019-06-30 23:42:44 +01:00
Matthias Clasen
3b6ee32f83 Fix a crash in action muxer destruction 
I've seen a crash when the action muxer gets
disposed during widget destroy, and tries to
disconnect from widget signals too late.

There is no real need to disconnect, since the
only time an action muxer is going away is when
its widget is destroyed, so just don't do it.
 2019-06-30 18:37:32 +00:00
Timm Bäder
3bc3e140dd transform: Add transform_bounds fast path for 2D_AFFINE transforms 
E.g. anything involving a scale. This is important when e.g. scrolling
in the node list in the recorder, which scales every recorded node down
to fit in the list.
 2019-06-29 09:49:38 +02:00
Timm Bäder
a6a9853676 Adwaita: Fix popover style 
We add the .background class to the popover node now.
 2019-06-29 09:06:32 +02:00
Timm Bäder
6b42e5b433 gl renderer: Fix push/pop modelview behavior 2019-06-29 08:57:27 +02:00
Timm Bäder
99c01607f1 gl renderer: Remove some dead code 2019-06-29 08:53:36 +02:00
Timm Bäder
071748592d gl renderer: Don't upload GL textures into the icon cache 2019-06-29 07:15:43 +02:00
Timm Bäder
8dd74eac2e transform: Add skew parsing 2019-06-29 07:15:43 +02:00
Matthias Clasen
f6a2678486 Add another grid layout test 
This one will be used for comparison
with constraint layouts.
 2019-06-28 19:21:21 +00:00
Matthias Clasen
e28ec2a3eb Some more grid layout tests 
Add testcases for spanning children and homogeneity.
 2019-06-28 18:07:23 +00:00
Matthias Clasen
c4fd786866 Add a test for the grid layout manager 
Test some obvious conditions. This is mainly
to test the waters for more intesting tests
with other layout managers later.
 2019-06-28 13:30:16 +00:00
Matthias Clasen
8fa7de5563 grid layout: Fix initial property values 
Too bad that we don't cover layout children
in the default value test - it would have
caught this.
 2019-06-28 12:42:06 +00:00
Jakub Steiner
9e6b4e82c9 Adwaita: allow flat list row buttons to be flat 
- Be more specific about the list row image buttons

Addresses corner case of https://gitlab.gnome.org/GNOME/gtk/issues/1748
 2019-06-27 12:15:51 +02:00
Jakub Steiner
4be2e804ae Adwaita: lighten dark switch sliders 
- addresses legibility concerns

Fixes https://gitlab.gnome.org/GNOME/gtk/issues/1819
 2019-06-27 10:58:18 +02:00
Alex Monday
1056e9976a Adwaita: Apply border-radius to .csd popovers 
Fix popover_radius variable doesn't apply to .csd popover.

Closes https://gitlab.gnome.org/GNOME/gtk/issues/1984
 2019-06-27 10:40:22 +02:00
Alex Monday
851bb61455 Adwaita: Fix padding/rounding on submenus 
- Apply menubar submenu style for .csd submenus;
- Remove child subemenu style (looks like it is inherited
  from a parent).

Closes https://gitlab.gnome.org/GNOME/gtk/issues/1976
 2019-06-27 10:31:11 +02:00
Jakub Steiner
3aadc29af4 Adwaita: darken osd background for A:dark 
- OSD background color was too close to $bg_color to make out outline

Fixes https://gitlab.gnome.org/GNOME/gtk/issues/1964
 2019-06-27 10:30:01 +02:00
Matthias Clasen
3d55b74197 Merge branch 'master' into 'master' 
Fix a typo

See merge request GNOME/gtk!960
 2019-06-24 19:52:12 +00:00
Hodong Kim
19b1fcfee3 Fix a typo 2019-06-24 18:42:40 +00:00
Daniel Boles
98cfbd3712 ShortcutsSection: Fix tiny grammar-o "in for"→"in" 2019-06-24 18:02:15 +01:00
Ask Hjorth Larsen
112f49b23c Updated Danish translation of gtk-properties 2019-06-24 18:55:47 +02:00
Ask Hjorth Larsen
4d36fdc176 Updated Danish translation of gtk 2019-06-24 18:55:25 +02:00
Matthias Clasen
31d79b07b7 Merge branch 'no-varargs-activate' into 'master' 
Add a non-varargs variant of activate_action

See merge request GNOME/gtk!959
 2019-06-24 16:10:03 +00:00
Matthias Clasen
2405e2711e Add a non-varargs variant of activate_action 
I recently turned gtk_widget_activate_action()
into a varargs function. That is more convenient
from C, but we need a non-varargs variant for
bindings. So add the old API back, under the
name gtk_widget_activate_action_variant(),
with a rename-to annotation.
 2019-06-24 15:51:39 +00:00