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constraint guide: Add setters/getters

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We have properties, so we should have setters
and getters.
This commit is contained in:
Matthias Clasen
2019-06-27 17:16:54 -04:00
parent 75e3017f51
commit f4fe1f4bcf
2 changed files with 203 additions and 8 deletions
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177
gtk/gtkconstraintguide.c
View File

@@ -65,9 +65,9 @@ gtk_constraint_guide_init (GtkConstraintGuide *guide)
(GDestroyNotify) gtk_constraint_variable_unref);
}
void
gtk_constraint_guide_update (GtkConstraintGuide *guide,
GuideValue index)
static void
gtk_constraint_guide_update_constraint (GtkConstraintGuide *guide,
GuideValue index)
{
GtkConstraintSolver *solver;
GtkConstraintVariable *var;
@@ -115,6 +115,15 @@ gtk_constraint_guide_update (GtkConstraintGuide *guide,
weight[index]);
}
void
gtk_constraint_guide_update (GtkConstraintGuide *guide)
{
gtk_constraint_guide_update_constraint (guide, GUIDE_MIN_WIDTH);
gtk_constraint_guide_update_constraint (guide, GUIDE_MIN_HEIGHT);
gtk_constraint_guide_update_constraint (guide, GUIDE_NAT_WIDTH);
gtk_constraint_guide_update_constraint (guide, GUIDE_NAT_HEIGHT);
}
void
gtk_constraint_guide_detach (GtkConstraintGuide *guide)
{
@@ -161,7 +170,7 @@ gtk_constraint_guide_set_property (GObject *gobject,
{
self->values[index] = val;
g_object_notify_by_pspec (gobject, pspec);
gtk_constraint_guide_update (self, index);
gtk_constraint_guide_update_constraint (self, index);
}
break;
@@ -274,4 +283,164 @@ gtk_constraint_guide_new (void)
return g_object_new (GTK_TYPE_CONSTRAINT_GUIDE, NULL);
}
/**
* gtk_constraint_guide_set_min_size:
* @guide: a #GtkConstraintGuide object
* @width: the new minimum width, or -1 to not change it
* @height: the new minimum height, or -1 to not change it
*
* Sets the minimum size of @guide.
*
* If @guide is attached to a #GtkConstraintLayout,
* the constraints will be updated to reflect the new size.
*/
void
gtk_constraint_guide_set_min_size (GtkConstraintGuide *guide,
int width,
int height)
{
g_return_if_fail (GTK_IS_CONSTRAINT_GUIDE (guide));
g_return_if_fail (width >= -1);
g_return_if_fail (height >= -1);
g_object_freeze_notify (G_OBJECT (guide));
if (width != -1)
g_object_set (guide, "min-width", width, NULL);
if (height != -1)
g_object_set (guide, "min-height", height, NULL);
g_object_thaw_notify (G_OBJECT (guide));
}
/**
* gtk_constraint_guide_get_min_size:
* @guide: a #GtkContraintGuide object
* @width: (allow-none): return location for the minimum width,
* or %NULL
* @height: (allow-none): return location for the minimum height,
* or %NULL
*
* Gets the minimum size of @guide.
*/
void
gtk_constraint_guide_get_min_size (GtkConstraintGuide *guide,
int *width,
int *height)
{
g_return_if_fail (GTK_IS_CONSTRAINT_GUIDE (guide));
if (width)
*width = guide->values[GUIDE_MIN_WIDTH];
if (height)
*height = guide->values[GUIDE_MIN_HEIGHT];
}
/**
* gtk_constraint_guide_set_nat_size:
* @guide: a #GtkConstraintGuide object
* @width: the new natural width, or -1 to not change it
* @height: the new natural height, or -1 to not change it
*
* Sets the natural size of @guide.
*
* If @guide is attached to a #GtkConstraintLayout,
* the constraints will be updated to reflect the new size.
*/
void
gtk_constraint_guide_set_nat_size (GtkConstraintGuide *guide,
int width,
int height)
{
g_return_if_fail (GTK_IS_CONSTRAINT_GUIDE (guide));
g_return_if_fail (width >= -1);
g_return_if_fail (height >= -1);
g_object_freeze_notify (G_OBJECT (guide));
if (width != -1)
g_object_set (guide, "nat-width", width, NULL);
if (height != -1)
g_object_set (guide, "nat-height", height, NULL);
g_object_thaw_notify (G_OBJECT (guide));
}
/**
* gtk_constraint_guide_get_nat_size:
* @guide: a #GtkContraintGuide object
* @width: (allow-none): return location for the natural width,
* or %NULL
* @height: (allow-none): return location for the natural height,
* or %NULL
*
* Gets the natural size of @guide.
*/
void
gtk_constraint_guide_get_nat_size (GtkConstraintGuide *guide,
int *width,
int *height)
{
g_return_if_fail (GTK_IS_CONSTRAINT_GUIDE (guide));
if (width)
*width = guide->values[GUIDE_NAT_WIDTH];
if (height)
*height = guide->values[GUIDE_NAT_HEIGHT];
}
/**
* gtk_constraint_guide_set_max_size:
* @guide: a #GtkConstraintGuide object
* @width: the new maximum width, or -1 to not change it
* @height: the new maximum height, or -1 to not change it
*
* Sets the maximum size of @guide.
*
* If @guide is attached to a #GtkConstraintLayout,
* the constraints will be updated to reflect the new size.
*/
void
gtk_constraint_guide_set_max_size (GtkConstraintGuide *guide,
int width,
int height)
{
g_return_if_fail (GTK_IS_CONSTRAINT_GUIDE (guide));
g_return_if_fail (width >= -1);
g_return_if_fail (height >= -1);
g_object_freeze_notify (G_OBJECT (guide));
if (width != -1)
g_object_set (guide, "max-width", width, NULL);
if (height != -1)
g_object_set (guide, "max-height", height, NULL);
g_object_thaw_notify (G_OBJECT (guide));
}
/**
* gtk_constraint_guide_get_max_size:
* @guide: a #GtkContraintGuide object
* @width: (allow-none): return location for the maximum width,
* or %NULL
* @height: (allow-none): return location for the maximum height,
* or %NULL
*
* Gets the maximum size of @guide.
*/
void
gtk_constraint_guide_get_max_size (GtkConstraintGuide *guide,
int *width,
int *height)
{
g_return_if_fail (GTK_IS_CONSTRAINT_GUIDE (guide));
if (width)
*width = guide->values[GUIDE_MAX_WIDTH];
if (height)
*height = guide->values[GUIDE_MAX_HEIGHT];
}

34
gtk/gtkconstraintguide.h
View File

@@ -31,10 +31,11 @@ G_BEGIN_DECLS
* GtkConstraintGuide:
*
* An object that can be added to a #GtkConstraintLayout and be
* used in constraints like a widget, without being drawn. Guides
* have a minimal and natural size. Depending on the constraints
* that are applied, they can act like a guideline that widgets
* can be aligned to, or like 'flexible space'.
* used in constraints like a widget, without being drawn.
*
* Guides have a minimum, maximum and natural size. Depending
* on the constraints that are applied, they can act like a
* guideline that widgets can be aligned to, or like 'flexible space'.
*/
GDK_AVAILABLE_IN_ALL
G_DECLARE_FINAL_TYPE (GtkConstraintGuide, gtk_constraint_guide, GTK, CONSTRAINT_GUIDE, GObject)
@@ -42,4 +43,29 @@ G_DECLARE_FINAL_TYPE (GtkConstraintGuide, gtk_constraint_guide, GTK, CONSTRAINT_
GDK_AVAILABLE_IN_ALL
GtkConstraintGuide * gtk_constraint_guide_new (void);
GDK_AVAILABLE_IN_ALL
void gtk_constraint_guide_set_min_size (GtkConstraintGuide *guide,
int width,
int height);
GDK_AVAILABLE_IN_ALL
void gtk_constraint_guide_get_min_size (GtkConstraintGuide *guide,
int *width,
int *height);
GDK_AVAILABLE_IN_ALL
void gtk_constraint_guide_set_nat_size (GtkConstraintGuide *guide,
int width,
int height);
GDK_AVAILABLE_IN_ALL
void gtk_constraint_guide_get_nat_size (GtkConstraintGuide *guide,
int *width,
int *height);
GDK_AVAILABLE_IN_ALL
void gtk_constraint_guide_set_max_size (GtkConstraintGuide *guide,
int width,
int height);
GDK_AVAILABLE_IN_ALL
void gtk_constraint_guide_get_max_size (GtkConstraintGuide *guide,
int *width,
int *height);
G_END_DECLS