Introduce GcalExpandableEntry

This is simply a copy-past of GNOME To Do's GtdExpandableEntry.
This commit is contained in:
Georges Basile Stavracas Neto
2020-11-10 15:00:59 +00:00
parent d41af9f8a0
commit b4fedbbba5
3 changed files with 251 additions and 0 deletions
+215
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@@ -0,0 +1,215 @@
/* gcal-expandable-entry.c
*
* Copyright (C) 2017 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "gcal-expandable-entry.h"
struct _GcalExpandableEntry
{
GtkEntry parent;
gboolean propagate_natural_width;
};
G_DEFINE_TYPE (GcalExpandableEntry, gcal_expandable_entry, GTK_TYPE_ENTRY)
enum
{
PROP_0,
PROP_PROPAGATE_NATURAL_WIDTH,
N_PROPS
};
static GParamSpec *properties[N_PROPS] = { NULL, };
/*
* GtkWidget overrides
*/
static gboolean
gcal_expandable_entry_enter_notify_event (GtkWidget *widget,
GdkEventCrossing *event_crossing)
{
gtk_widget_set_state_flags (widget, GTK_STATE_FLAG_PRELIGHT, FALSE);
gtk_widget_queue_draw (widget);
return GDK_EVENT_PROPAGATE;
}
static void
gcal_expandable_entry_get_preferred_width (GtkWidget *widget,
gint *minimum_width,
gint *natural_width)
{
GcalExpandableEntry *self;
PangoLayout *layout;
gint local_minimum;
gint local_natural;
self = GCAL_EXPANDABLE_ENTRY (widget);
GTK_WIDGET_CLASS (gcal_expandable_entry_parent_class)->get_preferred_width (widget,
&local_minimum,
&local_natural);
if (self->propagate_natural_width)
{
GtkStyleContext *context;
GdkRectangle primary_icon_rect;
GdkRectangle secondary_icon_rect;
GtkBorder padding;
GtkBorder border;
GtkBorder margin;
gint text_width;
context = gtk_widget_get_style_context (widget);
gtk_style_context_get_border (context, gtk_style_context_get_state (context), &border);
gtk_style_context_get_margin (context, gtk_style_context_get_state (context), &margin);
gtk_style_context_get_padding (context, gtk_style_context_get_state (context), &padding);
gtk_entry_get_icon_area (GTK_ENTRY (self), GTK_ENTRY_ICON_PRIMARY, &primary_icon_rect);
gtk_entry_get_icon_area (GTK_ENTRY (self), GTK_ENTRY_ICON_SECONDARY, &secondary_icon_rect);
layout = gtk_entry_get_layout (GTK_ENTRY (widget));
pango_layout_get_pixel_size (layout, &text_width, NULL);
local_natural = MAX (local_minimum, text_width + primary_icon_rect.width + secondary_icon_rect.width);
local_natural += margin.left + margin.right;
local_natural += border.left + border.right;
local_natural += padding.left + padding.right;
}
if (minimum_width)
*minimum_width = local_minimum;
if (natural_width)
*natural_width = local_natural;
}
static gboolean
gcal_expandable_entry_leave_notify_event (GtkWidget *widget,
GdkEventCrossing *event_crossing)
{
gtk_widget_unset_state_flags (widget, GTK_STATE_FLAG_PRELIGHT);
gtk_widget_queue_draw (widget);
return GDK_EVENT_PROPAGATE;
}
/*
* GObject overrides
*/
static void
gcal_expandable_entry_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GcalExpandableEntry *self = GCAL_EXPANDABLE_ENTRY (object);
switch (prop_id)
{
case PROP_PROPAGATE_NATURAL_WIDTH:
g_value_set_boolean (value, self->propagate_natural_width);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
gcal_expandable_entry_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GcalExpandableEntry *self = GCAL_EXPANDABLE_ENTRY (object);
switch (prop_id)
{
case PROP_PROPAGATE_NATURAL_WIDTH:
gcal_expandable_entry_set_propagate_natural_width (self, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
gcal_expandable_entry_class_init (GcalExpandableEntryClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->get_property = gcal_expandable_entry_get_property;
object_class->set_property = gcal_expandable_entry_set_property;
widget_class->enter_notify_event = gcal_expandable_entry_enter_notify_event;
widget_class->get_preferred_width = gcal_expandable_entry_get_preferred_width;
widget_class->leave_notify_event = gcal_expandable_entry_leave_notify_event;
properties[PROP_PROPAGATE_NATURAL_WIDTH] = g_param_spec_boolean ("propagate-natural-width",
"Propagate natural width",
"Propagate natural width",
FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, N_PROPS, properties);
}
static void
gcal_expandable_entry_init (GcalExpandableEntry *self)
{
self->propagate_natural_width = FALSE;
g_signal_connect_object (self,
"notify::text",
G_CALLBACK (gtk_widget_queue_resize),
self,
G_CONNECT_SWAPPED);
}
GtkWidget*
gcal_expandable_entry_new (void)
{
return g_object_new (GCAL_TYPE_EXPANDABLE_ENTRY, NULL);
}
gboolean
gcal_expandable_entry_get_propagate_natural_width (GcalExpandableEntry *self)
{
g_return_val_if_fail (GCAL_IS_EXPANDABLE_ENTRY (self), FALSE);
return self->propagate_natural_width;
}
void
gcal_expandable_entry_set_propagate_natural_width (GcalExpandableEntry *self,
gboolean propagate_natural_width)
{
g_return_if_fail (GCAL_IS_EXPANDABLE_ENTRY (self));
if (self->propagate_natural_width == propagate_natural_width)
return;
self->propagate_natural_width = propagate_natural_width;
gtk_widget_queue_resize (GTK_WIDGET (self));
}
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@@ -0,0 +1,35 @@
/* gcal-expandable-entry.h
*
* Copyright (C) 2017 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <gtk/gtk.h>
G_BEGIN_DECLS
#define GCAL_TYPE_EXPANDABLE_ENTRY (gcal_expandable_entry_get_type())
G_DECLARE_FINAL_TYPE (GcalExpandableEntry, gcal_expandable_entry, GCAL, EXPANDABLE_ENTRY, GtkEntry)
GtkWidget* gcal_expandable_entry_new (void);
gboolean gcal_expandable_entry_get_propagate_natural_width (GcalExpandableEntry *self);
void gcal_expandable_entry_set_propagate_natural_width (GcalExpandableEntry *self,
gboolean propagate_natural_width);
G_END_DECLS
+1
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@@ -15,6 +15,7 @@ sources += files(
'gcal-application.c',
'gcal-calendar-popover.c',
'gcal-event-widget.c',
'gcal-expandable-entry.c',
'gcal-quick-add-popover.c',
'gcal-search-button.c',
'gcal-weather-settings.c',