Added first implementaion of event widget.
This commit is contained in:
Erick Pérez Castellanos
@@ -0,0 +1,436 @@
|
||||
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 2 -*- */
|
||||
/*
|
||||
* gcal-event-widget.c
|
||||
* Copyright (C) 2012 Erick Pérez Castellanos <erickpc@gnome.org>
|
||||
*
|
||||
* gnome-calendar 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.
|
||||
*
|
||||
* gnome-calendar 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-event-widget.h"
|
||||
|
||||
struct _GcalEventWidgetPrivate
|
||||
{
|
||||
GdkWindow *event_window;
|
||||
|
||||
gchar *summary;
|
||||
GdkRGBA *color;
|
||||
};
|
||||
|
||||
enum
|
||||
{
|
||||
PROP_0,
|
||||
PROP_SUMMARY,
|
||||
PROP_COLOR
|
||||
};
|
||||
|
||||
static void gcal_event_widget_constructed (GObject *object);
|
||||
|
||||
static void gcal_event_widget_set_property (GObject *object,
|
||||
guint property_id,
|
||||
const GValue *value,
|
||||
GParamSpec *pspec);
|
||||
|
||||
static void gcal_event_widget_get_property (GObject *object,
|
||||
guint property_id,
|
||||
GValue *value,
|
||||
GParamSpec *pspec);
|
||||
|
||||
static void gcal_event_widget_get_preferred_width (GtkWidget *widget,
|
||||
gint *minimum,
|
||||
gint *natural);
|
||||
|
||||
static void gcal_event_widget_get_preferred_height (GtkWidget *widget,
|
||||
gint *minimum,
|
||||
gint *natural);
|
||||
|
||||
static void gcal_event_widget_realize (GtkWidget *widget);
|
||||
|
||||
static void gcal_event_widget_unrealize (GtkWidget *widget);
|
||||
|
||||
static void gcal_event_widget_map (GtkWidget *widget);
|
||||
|
||||
static void gcal_event_widget_unmap (GtkWidget *widget);
|
||||
|
||||
static void gcal_event_widget_size_allocate (GtkWidget *widget,
|
||||
GtkAllocation *allocation);
|
||||
|
||||
static gboolean gcal_event_widget_draw (GtkWidget *widget,
|
||||
cairo_t *cr);
|
||||
|
||||
static gboolean gcal_event_widget_button_press (GtkWidget *widget,
|
||||
GdkEventButton *event);
|
||||
|
||||
G_DEFINE_TYPE(GcalEventWidget, gcal_event_widget, GTK_TYPE_WIDGET)
|
||||
|
||||
static void
|
||||
gcal_event_widget_class_init(GcalEventWidgetClass *klass)
|
||||
{
|
||||
GObjectClass *object_class;
|
||||
GtkWidgetClass *widget_class;
|
||||
|
||||
object_class = G_OBJECT_CLASS (klass);
|
||||
object_class->constructed = gcal_event_widget_constructed;
|
||||
object_class->set_property = gcal_event_widget_set_property;
|
||||
object_class->get_property = gcal_event_widget_get_property;
|
||||
|
||||
widget_class = GTK_WIDGET_CLASS (klass);
|
||||
widget_class->get_preferred_width = gcal_event_widget_get_preferred_width;
|
||||
widget_class->get_preferred_height = gcal_event_widget_get_preferred_height;
|
||||
widget_class->realize = gcal_event_widget_realize;
|
||||
widget_class->unrealize = gcal_event_widget_unrealize;
|
||||
widget_class->map = gcal_event_widget_map;
|
||||
widget_class->unmap = gcal_event_widget_unmap;
|
||||
widget_class->size_allocate = gcal_event_widget_size_allocate;
|
||||
widget_class->draw = gcal_event_widget_draw;
|
||||
widget_class->button_press_event = gcal_event_widget_button_press;
|
||||
|
||||
g_object_class_install_property (object_class,
|
||||
PROP_SUMMARY,
|
||||
g_param_spec_string ("summary",
|
||||
"Summary",
|
||||
"The event summary",
|
||||
NULL,
|
||||
G_PARAM_CONSTRUCT |
|
||||
G_PARAM_READWRITE));
|
||||
|
||||
g_object_class_install_property (object_class,
|
||||
PROP_COLOR,
|
||||
g_param_spec_boxed ("color",
|
||||
"Color",
|
||||
"The color to render",
|
||||
GDK_TYPE_RGBA,
|
||||
G_PARAM_CONSTRUCT |
|
||||
G_PARAM_READWRITE));
|
||||
|
||||
g_type_class_add_private((gpointer)klass, sizeof(GcalEventWidgetPrivate));
|
||||
}
|
||||
|
||||
static void gcal_event_widget_init(GcalEventWidget *self)
|
||||
{
|
||||
self->priv = G_TYPE_INSTANCE_GET_PRIVATE(self,
|
||||
GCAL_TYPE_EVENT_WIDGET,
|
||||
GcalEventWidgetPrivate);
|
||||
|
||||
gtk_widget_set_has_window (GTK_WIDGET (self), FALSE);
|
||||
gtk_widget_set_can_focus (GTK_WIDGET (self), TRUE);
|
||||
}
|
||||
|
||||
static void
|
||||
gcal_event_widget_constructed (GObject *object)
|
||||
{
|
||||
GcalEventWidgetPrivate *priv;
|
||||
|
||||
priv = GCAL_EVENT_WIDGET (object)->priv;
|
||||
if (G_OBJECT_CLASS (gcal_event_widget_parent_class)->constructed != NULL)
|
||||
G_OBJECT_CLASS (gcal_event_widget_parent_class)->constructed (object);
|
||||
|
||||
gtk_widget_override_background_color (GTK_WIDGET (object), 0, priv->color);
|
||||
}
|
||||
|
||||
static void
|
||||
gcal_event_widget_set_property (GObject *object,
|
||||
guint property_id,
|
||||
const GValue *value,
|
||||
GParamSpec *pspec)
|
||||
{
|
||||
GcalEventWidgetPrivate *priv;
|
||||
|
||||
priv = GCAL_EVENT_WIDGET (object)->priv;
|
||||
|
||||
switch (property_id)
|
||||
{
|
||||
case PROP_SUMMARY:
|
||||
if (priv->summary != NULL)
|
||||
g_free (priv->summary);
|
||||
|
||||
priv->summary = g_value_dup_string (value);
|
||||
return;
|
||||
case PROP_COLOR:
|
||||
if (priv->color != NULL)
|
||||
gdk_rgba_free (priv->color);
|
||||
|
||||
priv->color = g_value_dup_boxed (value);
|
||||
return;
|
||||
}
|
||||
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
||||
}
|
||||
|
||||
static void
|
||||
gcal_event_widget_get_property (GObject *object,
|
||||
guint property_id,
|
||||
GValue *value,
|
||||
GParamSpec *pspec)
|
||||
{
|
||||
GcalEventWidgetPrivate *priv;
|
||||
|
||||
priv = GCAL_EVENT_WIDGET (object)->priv;
|
||||
|
||||
switch (property_id)
|
||||
{
|
||||
case PROP_SUMMARY:
|
||||
g_value_set_string (value, priv->summary);
|
||||
return;
|
||||
case PROP_COLOR:
|
||||
g_value_set_boxed (value, priv->color);
|
||||
return;
|
||||
}
|
||||
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
||||
}
|
||||
|
||||
static void
|
||||
gcal_event_widget_get_preferred_width (GtkWidget *widget,
|
||||
gint *minimum,
|
||||
gint *natural)
|
||||
{
|
||||
GtkBorder padding;
|
||||
PangoLayout *layout;
|
||||
PangoRectangle logical_rect;
|
||||
|
||||
layout = gtk_widget_create_pango_layout (widget, "00:00:00 00:00");
|
||||
|
||||
|
||||
pango_layout_get_extents (layout, NULL, &logical_rect);
|
||||
pango_extents_to_pixels (&logical_rect, NULL);
|
||||
|
||||
gtk_style_context_get_padding (gtk_widget_get_style_context (widget),
|
||||
gtk_widget_get_state_flags (widget),
|
||||
&padding);
|
||||
|
||||
*minimum = *natural = logical_rect.width + padding.left + padding.right;
|
||||
|
||||
g_object_unref (layout);
|
||||
}
|
||||
|
||||
static void
|
||||
gcal_event_widget_get_preferred_height (GtkWidget *widget,
|
||||
gint *minimum,
|
||||
gint *natural)
|
||||
{
|
||||
GtkBorder padding;
|
||||
PangoLayout *layout;
|
||||
PangoRectangle logical_rect;
|
||||
|
||||
layout = gtk_widget_create_pango_layout (widget, "00:00:00 00:00");
|
||||
|
||||
|
||||
pango_layout_get_extents (layout, NULL, &logical_rect);
|
||||
pango_extents_to_pixels (&logical_rect, NULL);
|
||||
|
||||
gtk_style_context_get_padding (gtk_widget_get_style_context (widget),
|
||||
gtk_widget_get_state_flags (widget),
|
||||
&padding);
|
||||
|
||||
*minimum = *natural = logical_rect.height + padding.top + padding.bottom;
|
||||
|
||||
g_object_unref (layout);
|
||||
}
|
||||
|
||||
static void
|
||||
gcal_event_widget_realize (GtkWidget *widget)
|
||||
{
|
||||
GcalEventWidgetPrivate *priv;
|
||||
GdkWindow *parent_window;
|
||||
GdkWindowAttr attributes;
|
||||
gint attributes_mask;
|
||||
GtkAllocation allocation;
|
||||
|
||||
priv = GCAL_EVENT_WIDGET (widget)->priv;
|
||||
gtk_widget_set_realized (widget, TRUE);
|
||||
|
||||
parent_window = gtk_widget_get_parent_window (widget);
|
||||
gtk_widget_set_window (widget, parent_window);
|
||||
g_object_ref (parent_window);
|
||||
|
||||
gtk_widget_get_allocation (widget, &allocation);
|
||||
|
||||
attributes.window_type = GDK_WINDOW_CHILD;
|
||||
attributes.wclass = GDK_INPUT_ONLY;
|
||||
attributes.x = allocation.x;
|
||||
attributes.y = allocation.y;
|
||||
attributes.width = allocation.width;
|
||||
attributes.height = allocation.height;
|
||||
attributes.event_mask = gtk_widget_get_events (widget);
|
||||
attributes.event_mask |= (GDK_BUTTON_PRESS_MASK |
|
||||
GDK_BUTTON_RELEASE_MASK |
|
||||
GDK_BUTTON1_MOTION_MASK |
|
||||
GDK_POINTER_MOTION_HINT_MASK |
|
||||
GDK_POINTER_MOTION_MASK |
|
||||
GDK_ENTER_NOTIFY_MASK |
|
||||
GDK_LEAVE_NOTIFY_MASK);
|
||||
attributes_mask = GDK_WA_X | GDK_WA_Y;
|
||||
|
||||
priv->event_window = gdk_window_new (parent_window,
|
||||
&attributes,
|
||||
attributes_mask);
|
||||
gdk_window_set_user_data (priv->event_window, widget);
|
||||
}
|
||||
|
||||
static void
|
||||
gcal_event_widget_unrealize (GtkWidget *widget)
|
||||
{
|
||||
GcalEventWidgetPrivate *priv;
|
||||
|
||||
priv = GCAL_EVENT_WIDGET (widget)->priv;
|
||||
if (priv->event_window != NULL)
|
||||
{
|
||||
gdk_window_set_user_data (priv->event_window, NULL);
|
||||
gdk_window_destroy (priv->event_window);
|
||||
priv->event_window = NULL;
|
||||
}
|
||||
|
||||
GTK_WIDGET_CLASS (gcal_event_widget_parent_class)->unrealize (widget);
|
||||
}
|
||||
|
||||
static void
|
||||
gcal_event_widget_map (GtkWidget *widget)
|
||||
{
|
||||
GcalEventWidgetPrivate *priv;
|
||||
|
||||
priv = GCAL_EVENT_WIDGET (widget)->priv;
|
||||
GTK_WIDGET_CLASS (gcal_event_widget_parent_class)->map (widget);
|
||||
|
||||
if (priv->event_window)
|
||||
gdk_window_show (priv->event_window);
|
||||
}
|
||||
|
||||
static void
|
||||
gcal_event_widget_unmap (GtkWidget *widget)
|
||||
{
|
||||
GcalEventWidgetPrivate *priv;
|
||||
|
||||
priv = GCAL_EVENT_WIDGET (widget)->priv;
|
||||
if (priv->event_window)
|
||||
gdk_window_hide (priv->event_window);
|
||||
|
||||
GTK_WIDGET_CLASS (gcal_event_widget_parent_class)->unmap (widget);
|
||||
}
|
||||
|
||||
static void
|
||||
gcal_event_widget_size_allocate (GtkWidget *widget,
|
||||
GtkAllocation *allocation)
|
||||
{
|
||||
GcalEventWidgetPrivate *priv;
|
||||
|
||||
priv = GCAL_EVENT_WIDGET (widget)->priv;
|
||||
gtk_widget_set_allocation (widget, allocation);
|
||||
|
||||
if (gtk_widget_get_realized (widget))
|
||||
gdk_window_move_resize (priv->event_window,
|
||||
allocation->x,
|
||||
allocation->y,
|
||||
allocation->width,
|
||||
allocation->height);
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gcal_event_widget_draw (GtkWidget *widget,
|
||||
cairo_t *cr)
|
||||
{
|
||||
GcalEventWidgetPrivate *priv;
|
||||
GtkStyleContext *context;
|
||||
GtkStateFlags state;
|
||||
GtkBorder padding;
|
||||
|
||||
gint x,y;
|
||||
gint width, height;
|
||||
gdouble radius;
|
||||
gdouble degrees;
|
||||
|
||||
PangoLayout *layout;
|
||||
GdkRGBA fg_color;
|
||||
|
||||
priv = GCAL_EVENT_WIDGET (widget)->priv;
|
||||
context = gtk_widget_get_style_context (widget);
|
||||
state = gtk_widget_get_state_flags (widget);
|
||||
|
||||
gtk_style_context_get_padding (context, state, &padding);
|
||||
gtk_style_context_get_color (context, state, &fg_color);
|
||||
|
||||
x = padding.left;
|
||||
y = padding.top;
|
||||
width = gtk_widget_get_allocated_width (widget)
|
||||
- padding.left - padding.right;
|
||||
height = gtk_widget_get_allocated_height (widget)
|
||||
- padding.top - padding.bottom;
|
||||
radius = height / 10;
|
||||
degrees = G_PI / 180.0;
|
||||
|
||||
layout = pango_cairo_create_layout (cr);
|
||||
pango_layout_set_font_description (layout,
|
||||
gtk_style_context_get_font (context,
|
||||
state));
|
||||
pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
|
||||
pango_layout_set_width (layout, (width - 2 * radius ) * PANGO_SCALE);
|
||||
|
||||
cairo_save (cr);
|
||||
|
||||
cairo_arc (cr, x + width - radius, y + radius, radius, -90 * degrees, 0 * degrees);
|
||||
cairo_arc (cr, x + width - radius, y + height - radius, radius, 0 * degrees, 90 * degrees);
|
||||
cairo_arc (cr, x + radius, y + height - radius, radius, 90 * degrees, 180 * degrees);
|
||||
cairo_arc (cr, x + radius, y + radius, radius, 180 * degrees, 270 * degrees);
|
||||
cairo_set_source_rgba (cr,
|
||||
priv->color->red,
|
||||
priv->color->green,
|
||||
priv->color->blue,
|
||||
priv->color->alpha);
|
||||
cairo_fill (cr);
|
||||
|
||||
cairo_set_source_rgba (cr,
|
||||
fg_color.red,
|
||||
fg_color.green,
|
||||
fg_color.blue,
|
||||
fg_color.alpha);
|
||||
pango_layout_set_text (layout, priv->summary, -1);
|
||||
pango_cairo_update_layout (cr, layout);
|
||||
cairo_move_to (cr, x + radius, y + radius);
|
||||
pango_cairo_show_layout (cr, layout);
|
||||
cairo_stroke (cr);
|
||||
|
||||
cairo_restore (cr);
|
||||
|
||||
g_object_unref (layout);
|
||||
|
||||
if (GTK_WIDGET_CLASS (gcal_event_widget_parent_class)->draw != NULL)
|
||||
GTK_WIDGET_CLASS (gcal_event_widget_parent_class)->draw (widget, cr);
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gcal_event_widget_button_press (GtkWidget *widget,
|
||||
GdkEventButton *event)
|
||||
{
|
||||
g_debug ("[ITW]: Called button press virtual function\n");
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
GtkWidget*
|
||||
gcal_event_widget_new ()
|
||||
{
|
||||
return g_object_new (GCAL_TYPE_EVENT_WIDGET, NULL);
|
||||
}
|
||||
|
||||
GtkWidget*
|
||||
gcal_event_widget_new_with_summary_and_color (const gchar *summary,
|
||||
const GdkRGBA *color)
|
||||
{
|
||||
return g_object_new (GCAL_TYPE_EVENT_WIDGET,
|
||||
"summary",
|
||||
summary,
|
||||
"color",
|
||||
color,
|
||||
NULL);
|
||||
}
|
||||
@@ -0,0 +1,61 @@
|
||||
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 2 -*- */
|
||||
/*
|
||||
* gcal-event-widget.h
|
||||
* Copyright (C) 2012 Erick Pérez Castellanos <erickpc@gnome.org>
|
||||
*
|
||||
* gnome-calendar 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.
|
||||
*
|
||||
* gnome-calendar 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/>.
|
||||
*/
|
||||
|
||||
#ifndef __GCAL_EVENT_WIDGET_H__
|
||||
#define __GCAL_EVENT_WIDGET_H__
|
||||
|
||||
#include <gtk/gtk.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
|
||||
#define GCAL_TYPE_EVENT_WIDGET (gcal_event_widget_get_type ())
|
||||
#define GCAL_EVENT_WIDGET(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GCAL_TYPE_EVENT_WIDGET, GcalEventWidget))
|
||||
#define GCAL_EVENT_WIDGET_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GCAL_TYPE_EVENT_WIDGET, GcalEventWidgetClass))
|
||||
#define GCAL_IS_EVENT_WIDGET(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GCAL_TYPE_EVENT_WIDGET))
|
||||
#define GCAL_IS_EVENT_WIDGET_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GCAL_TYPE_EVENT_WIDGET))
|
||||
#define GCAL_EVENT_WIDGET_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GCAL_TYPE_EVENT_WIDGET, GcalEventWidgetClass))
|
||||
|
||||
typedef struct _GcalEventWidget GcalEventWidget;
|
||||
typedef struct _GcalEventWidgetClass GcalEventWidgetClass;
|
||||
typedef struct _GcalEventWidgetPrivate GcalEventWidgetPrivate;
|
||||
|
||||
struct _GcalEventWidget
|
||||
{
|
||||
GtkApplicationWindow parent;
|
||||
|
||||
GcalEventWidgetPrivate *priv;
|
||||
};
|
||||
|
||||
struct _GcalEventWidgetClass
|
||||
{
|
||||
GtkWidgetClass parent_class;
|
||||
};
|
||||
|
||||
|
||||
GType gcal_event_widget_get_type (void);
|
||||
|
||||
GtkWidget* gcal_event_widget_new (void);
|
||||
|
||||
GtkWidget* gcal_event_widget_new_with_summary_and_color (const gchar *summary,
|
||||
const GdkRGBA *color);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* __GCAL_EVENT_WIDGET_H__ */
|
||||
Reference in New Issue
Block a user