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- Committer: Tarmac
- Author(s): Lars Uebernickel, Ted Gould, sergio.schvezov at canonical, Sergio Schvezov, Ken VanDine, Renato Araujo Oliveira Filho, Ricardo Mendoza
- Date: 2013-08-19 16:51:38 UTC
- mfrom: (327.1.83 consolidate)
- Revision ID: tarmac-20130819165138-rtvgstpdkoysfshf
Merge in phablet branch.
Approved by PS Jenkins bot, Pete Woods.
Approved by PS Jenkins bot, Pete Woods.
- files added:
- COPYING.GPLv3
- common
- debian/source
- files removed:
- libmessaging-menu/gtupleaction.c
- files renamed:
- src/messages-service.xml => common/com.canonical.indicator.messages.service.xml
- libmessaging-menu/messaging-menu.c => libmessaging-menu/messaging-menu-app.c
- libmessaging-menu/messaging-menu.h => libmessaging-menu/messaging-menu-app.h
- files modified:
- Makefile.am
added
removed
src/ido-detail-label.c
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/*
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* Copyright 2012 Canonical Ltd.
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 3, as published
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* by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranties of
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* MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
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* PURPOSE. See the 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 along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors:
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* Lars Uebernickel <lars.uebernickel@canonical.com>
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*/
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#include "ido-detail-label.h"
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#include <math.h>
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G_DEFINE_TYPE (IdoDetailLabel, ido_detail_label, GTK_TYPE_WIDGET)
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struct _IdoDetailLabelPrivate
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{
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gchar *text;
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PangoLayout *layout;
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gboolean draw_lozenge;
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};
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enum
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{
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PROP_0,
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PROP_TEXT,
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NUM_PROPERTIES
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};
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static GParamSpec *properties[NUM_PROPERTIES];
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static void
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ido_detail_label_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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IdoDetailLabel *self = IDO_DETAIL_LABEL (object);
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switch (property_id)
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{
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case PROP_TEXT:
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g_value_set_string (value, self->priv->text);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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}
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}
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static void
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ido_detail_label_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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IdoDetailLabel *self = IDO_DETAIL_LABEL (object);
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switch (property_id)
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{
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case PROP_TEXT:
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ido_detail_label_set_text (self, g_value_get_string (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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}
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}
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static void
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ido_detail_label_finalize (GObject *object)
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{
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IdoDetailLabelPrivate *priv = IDO_DETAIL_LABEL (object)->priv;
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g_free (priv->text);
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G_OBJECT_CLASS (ido_detail_label_parent_class)->finalize (object);
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}
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static void
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ido_detail_label_dispose (GObject *object)
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{
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IdoDetailLabelPrivate *priv = IDO_DETAIL_LABEL (object)->priv;
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g_clear_object (&priv->layout);
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G_OBJECT_CLASS (ido_detail_label_parent_class)->dispose (object);
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}
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static void
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ido_detail_label_ensure_layout (IdoDetailLabel *label)
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{
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IdoDetailLabelPrivate *priv = label->priv;
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if (priv->layout == NULL)
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{
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priv->layout = gtk_widget_create_pango_layout (GTK_WIDGET (label), priv->text);
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pango_layout_set_alignment (priv->layout, PANGO_ALIGN_CENTER);
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pango_layout_set_ellipsize (priv->layout, PANGO_ELLIPSIZE_END);
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pango_layout_set_height (priv->layout, -1);
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// TODO update layout on "style-updated" and "direction-changed"
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}
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}
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static void
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cairo_lozenge (cairo_t *cr,
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double x,
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double y,
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double w,
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double h,
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double radius)
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{
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double x1 = x + w - radius;
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double x2 = x + radius;
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double y1 = y + radius;
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double y2 = y + h - radius;
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cairo_move_to (cr, x + radius, y);
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cairo_arc (cr, x1, y1, radius, G_PI * 1.5, G_PI * 2);
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cairo_arc (cr, x1, y2, radius, 0, G_PI * 0.5);
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cairo_arc (cr, x2, y2, radius, G_PI * 0.5, G_PI);
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cairo_arc (cr, x2, y1, radius, G_PI, G_PI * 1.5);
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}
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static PangoFontMetrics *
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gtk_widget_get_font_metrics (GtkWidget *widget,
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PangoContext *context)
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{
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PangoFontDescription *font;
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PangoFontMetrics *metrics;
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gtk_style_context_get (gtk_widget_get_style_context (widget),
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gtk_widget_get_state_flags (widget),
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"font", &font, NULL);
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metrics = pango_context_get_metrics (context,
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font,
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pango_context_get_language (context));
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pango_font_description_free (font);
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return metrics;
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}
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static gint
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ido_detail_label_get_minimum_text_width (IdoDetailLabel *label)
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{
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IdoDetailLabelPrivate *priv = label->priv;
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PangoContext *context;
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PangoFontMetrics *metrics;
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gint char_width;
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gint w;
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context = pango_layout_get_context (priv->layout);
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metrics = gtk_widget_get_font_metrics (GTK_WIDGET (label), context);
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char_width = pango_font_metrics_get_approximate_digit_width (metrics);
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w = 2 * char_width / PANGO_SCALE;
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pango_font_metrics_unref (metrics);
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return w;
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}
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static gboolean
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ido_detail_label_draw (GtkWidget *widget,
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cairo_t *cr)
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{
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IdoDetailLabel *label = IDO_DETAIL_LABEL (widget);
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IdoDetailLabelPrivate *priv = IDO_DETAIL_LABEL (widget)->priv;
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PangoRectangle extents;
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GtkAllocation allocation;
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double x, w, h, radius;
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GdkRGBA color;
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if (!priv->text || !*priv->text)
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return TRUE;
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gtk_widget_get_allocation (widget, &allocation);
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ido_detail_label_ensure_layout (IDO_DETAIL_LABEL (widget));
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pango_layout_get_extents (priv->layout, NULL, &extents);
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pango_extents_to_pixels (&extents, NULL);
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h = MIN (allocation.height, extents.height);
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radius = floor (h / 2.0);
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w = MAX (ido_detail_label_get_minimum_text_width (label), extents.width) + 2.0 * radius;
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x = allocation.width - w;
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pango_layout_set_width (priv->layout, (allocation.width - 2 * radius) * PANGO_SCALE);
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pango_layout_get_extents (priv->layout, NULL, &extents);
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pango_extents_to_pixels (&extents, NULL);
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gtk_style_context_get_color (gtk_widget_get_style_context (widget),
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gtk_widget_get_state_flags (widget),
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&color);
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gdk_cairo_set_source_rgba (cr, &color);
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cairo_set_line_width (cr, 1.0);
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cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
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if (priv->draw_lozenge)
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cairo_lozenge (cr, x, 0.0, w, h, radius);
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cairo_move_to (cr, x + radius, (allocation.height - extents.height) / 2.0);
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pango_cairo_layout_path (cr, priv->layout);
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cairo_fill (cr);
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return TRUE;
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}
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static void
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ido_detail_label_get_preferred_width (GtkWidget *widget,
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gint *minimum,
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gint *natural)
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{
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IdoDetailLabelPrivate *priv = IDO_DETAIL_LABEL (widget)->priv;
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PangoRectangle extents;
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double radius;
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ido_detail_label_ensure_layout (IDO_DETAIL_LABEL (widget));
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pango_layout_get_extents (priv->layout, NULL, &extents);
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pango_extents_to_pixels (&extents, NULL);
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radius = floor (extents.height / 2.0);
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*minimum = ido_detail_label_get_minimum_text_width (IDO_DETAIL_LABEL (widget)) + 2.0 * radius;
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*natural = MAX (*minimum, extents.width + 2.0 * radius);
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}
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static void
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ido_detail_label_get_preferred_height (GtkWidget *widget,
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gint *minimum,
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gint *natural)
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{
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IdoDetailLabelPrivate *priv = IDO_DETAIL_LABEL (widget)->priv;
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PangoContext *context;
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PangoFontMetrics *metrics;
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PangoRectangle extents;
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ido_detail_label_ensure_layout (IDO_DETAIL_LABEL (widget));
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pango_layout_get_extents (priv->layout, NULL, &extents);
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pango_extents_to_pixels (&extents, NULL);
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context = pango_layout_get_context (priv->layout);
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metrics = gtk_widget_get_font_metrics (widget, context);
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*minimum = *natural = (pango_font_metrics_get_ascent (metrics) +
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pango_font_metrics_get_descent (metrics)) / PANGO_SCALE;
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pango_font_metrics_unref (metrics);
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}
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static void
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ido_detail_label_class_init (IdoDetailLabelClass *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 = ido_detail_label_get_property;
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object_class->set_property = ido_detail_label_set_property;
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object_class->finalize = ido_detail_label_finalize;
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object_class->dispose = ido_detail_label_dispose;
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widget_class->draw = ido_detail_label_draw;
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widget_class->get_preferred_width = ido_detail_label_get_preferred_width;
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widget_class->get_preferred_height = ido_detail_label_get_preferred_height;
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g_type_class_add_private (klass, sizeof (IdoDetailLabelPrivate));
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properties[PROP_TEXT] = g_param_spec_string ("text",
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"Text",
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"The text of the label",
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NULL,
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G_PARAM_READWRITE |
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G_PARAM_STATIC_STRINGS);
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g_object_class_install_properties (object_class, NUM_PROPERTIES, properties);
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}
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static void
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ido_detail_label_init (IdoDetailLabel *self)
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{
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self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
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IDO_TYPE_DETAIL_LABEL,
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IdoDetailLabelPrivate);
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gtk_widget_set_has_window (GTK_WIDGET (self), FALSE);
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}
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GtkWidget *
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ido_detail_label_new (const gchar *label)
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{
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return g_object_new (IDO_TYPE_DETAIL_LABEL,
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"text", label,
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NULL);
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}
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const gchar *
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ido_detail_label_get_text (IdoDetailLabel *label)
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{
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g_return_val_if_fail (IDO_IS_DETAIL_LABEL (label), NULL);
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return label->priv->text;
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}
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/* collapse_whitespace:
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* @str: the source string
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*
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* Collapses all occurences of consecutive whitespace charactes in @str
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* into a single space.
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*
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* Returns: (transfer full): a newly-allocated string
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*/
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static gchar *
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collapse_whitespace (const gchar *str)
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{
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GString *result;
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gboolean in_space = FALSE;
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if (str == NULL)
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return NULL;
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result = g_string_new ("");
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while (*str)
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{
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gunichar c = g_utf8_get_char_validated (str, -1);
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if (c < 0)
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break;
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if (!g_unichar_isspace (c))
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{
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g_string_append_unichar (result, c);
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in_space = FALSE;
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}
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else if (!in_space)
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{
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g_string_append_c (result, ' ');
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in_space = TRUE;
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}
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str = g_utf8_next_char (str);
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}
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return g_string_free (result, FALSE);
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}
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static void
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ido_detail_label_set_text_impl (IdoDetailLabel *label,
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const gchar *text,
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gboolean draw_lozenge)
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{
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IdoDetailLabelPrivate * priv = label->priv;
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g_clear_object (&priv->layout);
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g_free (priv->text);
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priv->text = g_strdup (text);
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priv->draw_lozenge = draw_lozenge;
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g_object_notify_by_pspec (G_OBJECT (label), properties[PROP_TEXT]);
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gtk_widget_queue_resize (GTK_WIDGET (label));
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}
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void
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ido_detail_label_set_text (IdoDetailLabel *label,
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const gchar *text)
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{
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gchar *str;
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g_return_if_fail (IDO_IS_DETAIL_LABEL (label));
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str = collapse_whitespace (text);
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ido_detail_label_set_text_impl (label, str, FALSE);
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g_free (str);
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}
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void
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ido_detail_label_set_count (IdoDetailLabel *label,
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gint count)
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{
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gchar *text;
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g_return_if_fail (IDO_IS_DETAIL_LABEL (label));
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text = g_strdup_printf ("%d", count);
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ido_detail_label_set_text_impl (label, text, TRUE);
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g_free (text);
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}
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