Introduce GcalExpandableEntry
This is simply a copy-past of GNOME To Do's GtdExpandableEntry.
This commit is contained in:
Georges Basile Stavracas Neto
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/* gcal-expandable-entry.c
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*
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* Copyright (C) 2017 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "gcal-expandable-entry.h"
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struct _GcalExpandableEntry
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{
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GtkEntry parent;
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gboolean propagate_natural_width;
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};
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G_DEFINE_TYPE (GcalExpandableEntry, gcal_expandable_entry, GTK_TYPE_ENTRY)
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enum
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{
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PROP_0,
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PROP_PROPAGATE_NATURAL_WIDTH,
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N_PROPS
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};
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static GParamSpec *properties[N_PROPS] = { NULL, };
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/*
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* GtkWidget overrides
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*/
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static gboolean
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gcal_expandable_entry_enter_notify_event (GtkWidget *widget,
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GdkEventCrossing *event_crossing)
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{
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gtk_widget_set_state_flags (widget, GTK_STATE_FLAG_PRELIGHT, FALSE);
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gtk_widget_queue_draw (widget);
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return GDK_EVENT_PROPAGATE;
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}
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static void
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gcal_expandable_entry_get_preferred_width (GtkWidget *widget,
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gint *minimum_width,
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gint *natural_width)
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{
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GcalExpandableEntry *self;
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PangoLayout *layout;
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gint local_minimum;
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gint local_natural;
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self = GCAL_EXPANDABLE_ENTRY (widget);
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GTK_WIDGET_CLASS (gcal_expandable_entry_parent_class)->get_preferred_width (widget,
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&local_minimum,
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&local_natural);
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if (self->propagate_natural_width)
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{
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GtkStyleContext *context;
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GdkRectangle primary_icon_rect;
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GdkRectangle secondary_icon_rect;
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GtkBorder padding;
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GtkBorder border;
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GtkBorder margin;
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gint text_width;
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context = gtk_widget_get_style_context (widget);
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gtk_style_context_get_border (context, gtk_style_context_get_state (context), &border);
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gtk_style_context_get_margin (context, gtk_style_context_get_state (context), &margin);
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gtk_style_context_get_padding (context, gtk_style_context_get_state (context), &padding);
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gtk_entry_get_icon_area (GTK_ENTRY (self), GTK_ENTRY_ICON_PRIMARY, &primary_icon_rect);
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gtk_entry_get_icon_area (GTK_ENTRY (self), GTK_ENTRY_ICON_SECONDARY, &secondary_icon_rect);
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layout = gtk_entry_get_layout (GTK_ENTRY (widget));
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pango_layout_get_pixel_size (layout, &text_width, NULL);
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local_natural = MAX (local_minimum, text_width + primary_icon_rect.width + secondary_icon_rect.width);
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local_natural += margin.left + margin.right;
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local_natural += border.left + border.right;
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local_natural += padding.left + padding.right;
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}
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if (minimum_width)
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*minimum_width = local_minimum;
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if (natural_width)
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*natural_width = local_natural;
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}
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static gboolean
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gcal_expandable_entry_leave_notify_event (GtkWidget *widget,
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GdkEventCrossing *event_crossing)
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{
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gtk_widget_unset_state_flags (widget, GTK_STATE_FLAG_PRELIGHT);
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gtk_widget_queue_draw (widget);
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return GDK_EVENT_PROPAGATE;
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}
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/*
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* GObject overrides
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*/
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static void
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gcal_expandable_entry_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GcalExpandableEntry *self = GCAL_EXPANDABLE_ENTRY (object);
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switch (prop_id)
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{
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case PROP_PROPAGATE_NATURAL_WIDTH:
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g_value_set_boolean (value, self->propagate_natural_width);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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gcal_expandable_entry_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GcalExpandableEntry *self = GCAL_EXPANDABLE_ENTRY (object);
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switch (prop_id)
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{
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case PROP_PROPAGATE_NATURAL_WIDTH:
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gcal_expandable_entry_set_propagate_natural_width (self, g_value_get_boolean (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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gcal_expandable_entry_class_init (GcalExpandableEntryClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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object_class->get_property = gcal_expandable_entry_get_property;
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object_class->set_property = gcal_expandable_entry_set_property;
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widget_class->enter_notify_event = gcal_expandable_entry_enter_notify_event;
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widget_class->get_preferred_width = gcal_expandable_entry_get_preferred_width;
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widget_class->leave_notify_event = gcal_expandable_entry_leave_notify_event;
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properties[PROP_PROPAGATE_NATURAL_WIDTH] = g_param_spec_boolean ("propagate-natural-width",
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"Propagate natural width",
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"Propagate natural width",
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FALSE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
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g_object_class_install_properties (object_class, N_PROPS, properties);
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}
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static void
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gcal_expandable_entry_init (GcalExpandableEntry *self)
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{
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self->propagate_natural_width = FALSE;
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g_signal_connect_object (self,
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"notify::text",
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G_CALLBACK (gtk_widget_queue_resize),
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self,
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G_CONNECT_SWAPPED);
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}
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GtkWidget*
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gcal_expandable_entry_new (void)
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{
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return g_object_new (GCAL_TYPE_EXPANDABLE_ENTRY, NULL);
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}
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gboolean
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gcal_expandable_entry_get_propagate_natural_width (GcalExpandableEntry *self)
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{
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g_return_val_if_fail (GCAL_IS_EXPANDABLE_ENTRY (self), FALSE);
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return self->propagate_natural_width;
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}
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void
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gcal_expandable_entry_set_propagate_natural_width (GcalExpandableEntry *self,
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gboolean propagate_natural_width)
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{
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g_return_if_fail (GCAL_IS_EXPANDABLE_ENTRY (self));
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if (self->propagate_natural_width == propagate_natural_width)
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return;
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self->propagate_natural_width = propagate_natural_width;
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gtk_widget_queue_resize (GTK_WIDGET (self));
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}
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@@ -0,0 +1,35 @@
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/* gcal-expandable-entry.h
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*
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* Copyright (C) 2017 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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||||
*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <gtk/gtk.h>
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G_BEGIN_DECLS
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#define GCAL_TYPE_EXPANDABLE_ENTRY (gcal_expandable_entry_get_type())
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G_DECLARE_FINAL_TYPE (GcalExpandableEntry, gcal_expandable_entry, GCAL, EXPANDABLE_ENTRY, GtkEntry)
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GtkWidget* gcal_expandable_entry_new (void);
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gboolean gcal_expandable_entry_get_propagate_natural_width (GcalExpandableEntry *self);
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void gcal_expandable_entry_set_propagate_natural_width (GcalExpandableEntry *self,
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gboolean propagate_natural_width);
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G_END_DECLS
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@@ -15,6 +15,7 @@ sources += files(
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'gcal-application.c',
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'gcal-calendar-popover.c',
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'gcal-event-widget.c',
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'gcal-expandable-entry.c',
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'gcal-quick-add-popover.c',
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'gcal-search-button.c',
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'gcal-weather-settings.c',
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