forked from AuroraMiddleware/gtk
Merge branch 'wip/otte/inscription' into 'main'
Inscription: Derive row alignment from xalign See merge request GNOME/gtk!4811
This commit is contained in:
Benjamin Otte
commit
f9b0866415
@ -233,6 +233,24 @@ gtk_inscription_set_property (GObject *object,
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}
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}
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static void
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update_pango_alignment (GtkInscription *self)
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{
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PangoAlignment align;
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gboolean ltr;
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ltr = _gtk_widget_get_direction (GTK_WIDGET (self)) != GTK_TEXT_DIR_RTL;
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if (self->xalign < 0.33)
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align = ltr ? PANGO_ALIGN_LEFT : PANGO_ALIGN_RIGHT;
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else if (self->xalign < 0.67)
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align = PANGO_ALIGN_CENTER;
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else
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align = ltr ? PANGO_ALIGN_RIGHT : PANGO_ALIGN_LEFT;
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pango_layout_set_alignment (self->layout, align);
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}
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static void
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gtk_inscription_update_layout_attributes (GtkInscription *self,
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PangoAttrList *css_attrs)
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@ -267,6 +285,17 @@ gtk_inscription_css_changed (GtkWidget *widget,
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}
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}
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static void
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gtk_inscription_direction_changed (GtkWidget *widget,
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GtkTextDirection previous_direction)
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{
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GtkInscription *self = GTK_INSCRIPTION (widget);
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GTK_WIDGET_CLASS (gtk_inscription_parent_class)->direction_changed (widget, previous_direction);
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update_pango_alignment (self);
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}
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static PangoFontMetrics *
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gtk_inscription_get_font_metrics (GtkInscription *self)
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{
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@ -395,7 +424,10 @@ gtk_inscription_get_layout_location (GtkInscription *self,
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xalign = 1.0 - xalign;
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pango_layout_get_pixel_extents (self->layout, NULL, &logical);
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x = floor ((xalign * (widget_width - logical.width)) - logical.x);
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if (pango_layout_get_width (self->layout) > 0)
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x = 0.f;
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else
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x = floor ((xalign * (widget_width - logical.width)) - logical.x);
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baseline = gtk_widget_get_allocated_baseline (widget);
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if (baseline != -1)
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@ -444,7 +476,17 @@ gtk_inscription_allocate (GtkWidget *widget,
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PangoRectangle rect;
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pango_layout_iter_get_line_extents (iter, NULL, &rect);
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if (rect.y + rect.height > height * PANGO_SCALE)
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pango_layout_set_width (self->layout, -1);
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{
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while (!pango_layout_line_is_paragraph_start (pango_layout_iter_get_line_readonly (iter)))
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{
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if (!pango_layout_iter_next_line (iter))
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break;
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}
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if (!pango_layout_line_is_paragraph_start (pango_layout_iter_get_line_readonly (iter)))
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{
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pango_layout_set_width (self->layout, -1);
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}
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}
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}
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}
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break;
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@ -491,6 +533,7 @@ gtk_inscription_class_init (GtkInscriptionClass *klass)
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gobject_class->set_property = gtk_inscription_set_property;
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widget_class->css_changed = gtk_inscription_css_changed;
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widget_class->direction_changed = gtk_inscription_direction_changed;
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widget_class->measure = gtk_inscription_measure;
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widget_class->size_allocate = gtk_inscription_allocate;
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widget_class->snapshot = gtk_inscription_snapshot;
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@ -700,6 +743,7 @@ gtk_inscription_init (GtkInscription *self)
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self->layout = gtk_widget_create_pango_layout (GTK_WIDGET (self), NULL);
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pango_layout_set_wrap (self->layout, PANGO_WRAP_WORD_CHAR);
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update_pango_alignment (self);
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}
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/* for a11y */
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@ -988,6 +1032,8 @@ gtk_inscription_set_xalign (GtkInscription *self,
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self->xalign = xalign;
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update_pango_alignment (self);
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gtk_widget_queue_draw (GTK_WIDGET (self));
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g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_XALIGN]);
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52
testsuite/reftests/inscription-xalign-rtl.ref.ui
Normal file
52
testsuite/reftests/inscription-xalign-rtl.ref.ui
Normal file
@ -0,0 +1,52 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<interface>
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<object class="GtkWindow">
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<property name="default-width">200</property>
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<property name="decorated">0</property>
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<child>
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<object class="GtkBox">
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<property name="orientation">vertical</property>
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<child>
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<object class="GtkInscription">
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<property name="text">עִברִית
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English</property>
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<property name="min-lines">2</property>
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<property name="xalign">0.0</property>
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</object>
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</child>
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<child>
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<object class="GtkInscription">
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<property name="text">עִברִית
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English</property>
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<property name="min-lines">2</property>
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<property name="xalign">0.25</property>
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</object>
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</child>
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<child>
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<object class="GtkInscription">
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<property name="text">עִברִית
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English</property>
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<property name="min-lines">2</property>
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<property name="xalign">0.5</property>
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</object>
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</child>
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<child>
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<object class="GtkInscription">
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<property name="text">עִברִית
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English</property>
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<property name="min-lines">2</property>
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<property name="xalign">0.75</property>
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</object>
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</child>
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<child>
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<object class="GtkInscription">
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<property name="text">עִברִית
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English</property>
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<property name="min-lines">2</property>
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<property name="xalign">1.0</property>
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</object>
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</child>
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</object>
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</child>
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</object>
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</interface>
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54
testsuite/reftests/inscription-xalign-rtl.ui
Normal file
54
testsuite/reftests/inscription-xalign-rtl.ui
Normal file
@ -0,0 +1,54 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<interface>
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<object class="GtkWindow">
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<property name="default-width">200</property>
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<property name="decorated">0</property>
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<child>
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<object class="GtkBox">
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<property name="orientation">vertical</property>
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<signal name="map" handler="reftest:set_default_direction_rtl" swapped="no"/>
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<signal name="destroy" handler="reftest:set_default_direction_ltr" swapped="no"/>
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<child>
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<object class="GtkInscription">
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<property name="text">עִברִית
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English</property>
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<property name="min-lines">2</property>
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<property name="xalign">0.0</property>
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</object>
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</child>
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<child>
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<object class="GtkInscription">
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<property name="text">עִברִית
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English</property>
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<property name="min-lines">2</property>
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<property name="xalign">0.25</property>
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</object>
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</child>
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<child>
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<object class="GtkInscription">
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<property name="text">עִברִית
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English</property>
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<property name="min-lines">2</property>
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<property name="xalign">0.5</property>
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</object>
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</child>
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<child>
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<object class="GtkInscription">
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<property name="text">עִברִית
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English</property>
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<property name="min-lines">2</property>
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<property name="xalign">0.75</property>
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</object>
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</child>
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<child>
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<object class="GtkInscription">
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<property name="text">עִברִית
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English</property>
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<property name="min-lines">2</property>
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<property name="xalign">1.0</property>
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</object>
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</child>
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</object>
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</child>
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</object>
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</interface>
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42
testsuite/reftests/inscription-xalign.ref.ui
Normal file
42
testsuite/reftests/inscription-xalign.ref.ui
Normal file
@ -0,0 +1,42 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<interface>
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<object class="GtkWindow">
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<property name="default-width">200</property>
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<property name="decorated">0</property>
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<child>
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<object class="GtkBox">
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<property name="orientation">vertical</property>
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<child>
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<object class="GtkLabel">
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<property name="label" translatable="yes">align
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0.0</property>
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<property name="wrap-mode">word</property>
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<property name="wrap">1</property>
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<property name="xalign">0</property>
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<property name="justify">left</property>
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</object>
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</child>
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<child>
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<object class="GtkLabel">
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<property name="label" translatable="yes">align
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0.5</property>
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<property name="wrap-mode">word</property>
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<property name="wrap">1</property>
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<property name="xalign">0.5</property>
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<property name="justify">center</property>
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</object>
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</child>
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<child>
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<object class="GtkLabel">
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<property name="label" translatable="yes">align
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1.0</property>
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<property name="wrap-mode">word</property>
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<property name="wrap">1</property>
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<property name="xalign">1</property>
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<property name="justify">right</property>
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</object>
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</child>
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</object>
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</child>
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</object>
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</interface>
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39
testsuite/reftests/inscription-xalign.ui
Normal file
39
testsuite/reftests/inscription-xalign.ui
Normal file
@ -0,0 +1,39 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<interface>
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<object class="GtkWindow">
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<property name="default-width">200</property>
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<property name="decorated">0</property>
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<child>
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<object class="GtkBox">
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<property name="orientation">vertical</property>
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<child>
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<object class="GtkInscription">
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<property name="text" translatable="yes">align
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0.0</property>
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<property name="wrap-mode">word</property>
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<property name="min-lines">2</property>
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<property name="xalign">0</property>
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</object>
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</child>
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<child>
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<object class="GtkInscription">
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<property name="text" translatable="yes">align
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0.5</property>
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<property name="wrap-mode">word</property>
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<property name="min-lines">2</property>
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<property name="xalign">0.5</property>
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</object>
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</child>
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<child>
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<object class="GtkInscription">
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<property name="text" translatable="yes">align
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1.0</property>
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<property name="wrap-mode">word</property>
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<property name="min-lines">2</property>
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<property name="xalign">1</property>
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</object>
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</child>
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</object>
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</child>
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</object>
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</interface>
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@ -375,6 +375,10 @@ testdata = [
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'inscription-overflow-multiline.ui',
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'inscription-overflow-yalign.ref.ui',
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'inscription-overflow-yalign.ui',
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'inscription-xalign.ref.ui',
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'inscription-xalign.ui',
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'inscription-xalign-rtl.ref.ui',
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'inscription-xalign-rtl.ui',
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'label-attribute-preference.css',
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'label-attribute-preference.ref.ui',
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'label-attribute-preference.ui',
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