322 lines
10 KiB
C
322 lines
10 KiB
C
/*
|
|
* Copyright (C) 2010-2011 Daiki Ueno <ueno@unixuser.org>
|
|
* Copyright (C) 2010-2011 Red Hat, Inc.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public License
|
|
* as published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
* 02110-1301 USA
|
|
*/
|
|
|
|
/**
|
|
* SECTION:eek-gtk-keyboard
|
|
* @short_description: a #GtkWidget displaying #EekKeyboard
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#ifdef HAVE_LIBCANBERRA
|
|
#include <canberra-gtk.h>
|
|
#endif
|
|
|
|
#include <math.h>
|
|
#include <string.h>
|
|
|
|
#include "eek-renderer.h"
|
|
#include "eek-keyboard.h"
|
|
|
|
#include "eek-gtk-keyboard.h"
|
|
|
|
#include "eekboard/eekboard-context-service.h"
|
|
#include "src/layout.h"
|
|
#include "src/submission.h"
|
|
|
|
|
|
typedef struct _EekGtkKeyboardPrivate
|
|
{
|
|
EekRenderer *renderer;
|
|
EekboardContextService *eekboard_context; // unowned reference
|
|
struct submission *submission; // unowned reference
|
|
LevelKeyboard *keyboard; // unowned reference; it's kept in server-context (FIXME)
|
|
|
|
GdkEventSequence *sequence; // unowned reference
|
|
} EekGtkKeyboardPrivate;
|
|
|
|
G_DEFINE_TYPE_WITH_PRIVATE (EekGtkKeyboard, eek_gtk_keyboard, GTK_TYPE_DRAWING_AREA)
|
|
|
|
static void
|
|
eek_gtk_keyboard_real_realize (GtkWidget *self)
|
|
{
|
|
gtk_widget_set_events (self,
|
|
GDK_EXPOSURE_MASK |
|
|
GDK_KEY_PRESS_MASK |
|
|
GDK_KEY_RELEASE_MASK |
|
|
GDK_BUTTON_PRESS_MASK |
|
|
GDK_BUTTON_RELEASE_MASK |
|
|
GDK_BUTTON_MOTION_MASK |
|
|
GDK_TOUCH_MASK);
|
|
|
|
GTK_WIDGET_CLASS (eek_gtk_keyboard_parent_class)->realize (self);
|
|
}
|
|
|
|
static gboolean
|
|
eek_gtk_keyboard_real_draw (GtkWidget *self,
|
|
cairo_t *cr)
|
|
{
|
|
EekGtkKeyboardPrivate *priv =
|
|
eek_gtk_keyboard_get_instance_private (EEK_GTK_KEYBOARD (self));
|
|
GtkAllocation allocation;
|
|
gtk_widget_get_allocation (self, &allocation);
|
|
|
|
if (!priv->renderer) {
|
|
PangoContext *pcontext = gtk_widget_get_pango_context (self);
|
|
|
|
priv->renderer = eek_renderer_new (priv->keyboard, pcontext);
|
|
|
|
eek_renderer_set_allocation_size (priv->renderer,
|
|
allocation.width,
|
|
allocation.height);
|
|
eek_renderer_set_scale_factor (priv->renderer,
|
|
gtk_widget_get_scale_factor (self));
|
|
}
|
|
|
|
eek_renderer_render_keyboard (priv->renderer, cr);
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
eek_gtk_keyboard_real_size_allocate (GtkWidget *self,
|
|
GtkAllocation *allocation)
|
|
{
|
|
EekGtkKeyboardPrivate *priv =
|
|
eek_gtk_keyboard_get_instance_private (EEK_GTK_KEYBOARD (self));
|
|
|
|
if (priv->renderer)
|
|
eek_renderer_set_allocation_size (priv->renderer,
|
|
allocation->width,
|
|
allocation->height);
|
|
|
|
GTK_WIDGET_CLASS (eek_gtk_keyboard_parent_class)->
|
|
size_allocate (self, allocation);
|
|
}
|
|
|
|
static void depress(EekGtkKeyboard *self,
|
|
gdouble x, gdouble y, guint32 time)
|
|
{
|
|
EekGtkKeyboardPrivate *priv = eek_gtk_keyboard_get_instance_private (self);
|
|
|
|
squeek_layout_depress(priv->keyboard->layout,
|
|
priv->submission,
|
|
x, y, eek_renderer_get_transformation(priv->renderer), time, self);
|
|
}
|
|
|
|
static void drag(EekGtkKeyboard *self,
|
|
gdouble x, gdouble y, guint32 time)
|
|
{
|
|
EekGtkKeyboardPrivate *priv = eek_gtk_keyboard_get_instance_private (self);
|
|
squeek_layout_drag(priv->keyboard->layout,
|
|
priv->submission,
|
|
x, y, eek_renderer_get_transformation(priv->renderer), time,
|
|
priv->eekboard_context, self);
|
|
}
|
|
|
|
static void release(EekGtkKeyboard *self, guint32 time)
|
|
{
|
|
EekGtkKeyboardPrivate *priv = eek_gtk_keyboard_get_instance_private (self);
|
|
|
|
squeek_layout_release(priv->keyboard->layout,
|
|
priv->submission,
|
|
eek_renderer_get_transformation(priv->renderer), time,
|
|
priv->eekboard_context, self);
|
|
}
|
|
|
|
static gboolean
|
|
eek_gtk_keyboard_real_button_press_event (GtkWidget *self,
|
|
GdkEventButton *event)
|
|
{
|
|
if (event->type == GDK_BUTTON_PRESS && event->button == 1) {
|
|
depress(EEK_GTK_KEYBOARD(self), event->x, event->y, event->time);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
// TODO: this belongs more in gtk_keyboard, with a way to find out which key to re-render
|
|
static gboolean
|
|
eek_gtk_keyboard_real_button_release_event (GtkWidget *self,
|
|
GdkEventButton *event)
|
|
{
|
|
if (event->type == GDK_BUTTON_RELEASE && event->button == 1) {
|
|
// TODO: can the event have different coords than the previous move event?
|
|
release(EEK_GTK_KEYBOARD(self), event->time);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
eek_gtk_keyboard_leave_event (GtkWidget *self,
|
|
GdkEventCrossing *event)
|
|
{
|
|
if (event->type == GDK_LEAVE_NOTIFY) {
|
|
// TODO: can the event have different coords than the previous move event?
|
|
release(EEK_GTK_KEYBOARD(self), event->time);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static gboolean
|
|
eek_gtk_keyboard_real_motion_notify_event (GtkWidget *self,
|
|
GdkEventMotion *event)
|
|
{
|
|
if (event->state & GDK_BUTTON1_MASK) {
|
|
drag(EEK_GTK_KEYBOARD(self), event->x, event->y, event->time);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
// Only one touch stream at a time allowed. Others will be completely ignored.
|
|
static gboolean
|
|
handle_touch_event (GtkWidget *widget,
|
|
GdkEventTouch *event)
|
|
{
|
|
EekGtkKeyboard *self = EEK_GTK_KEYBOARD (widget);
|
|
EekGtkKeyboardPrivate *priv = eek_gtk_keyboard_get_instance_private (self);
|
|
|
|
/* For each new touch, release the previous one and record the new event
|
|
sequence. */
|
|
if (event->type == GDK_TOUCH_BEGIN) {
|
|
release(self, event->time);
|
|
priv->sequence = event->sequence;
|
|
depress(self, event->x, event->y, event->time);
|
|
return TRUE;
|
|
}
|
|
|
|
/* Only allow the latest touch point to be dragged. */
|
|
if (event->type == GDK_TOUCH_UPDATE && event->sequence == priv->sequence) {
|
|
drag(self, event->x, event->y, event->time);
|
|
}
|
|
else if (event->type == GDK_TOUCH_END || event->type == GDK_TOUCH_CANCEL) {
|
|
// TODO: can the event have different coords than the previous update event?
|
|
/* Only respond to the release of the latest touch point. Previous
|
|
touches have already been released. */
|
|
if (event->sequence == priv->sequence) {
|
|
release(self, event->time);
|
|
priv->sequence = NULL;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
eek_gtk_keyboard_real_unmap (GtkWidget *self)
|
|
{
|
|
EekGtkKeyboardPrivate *priv =
|
|
eek_gtk_keyboard_get_instance_private (EEK_GTK_KEYBOARD (self));
|
|
|
|
if (priv->keyboard) {
|
|
squeek_layout_release_all_only(
|
|
priv->keyboard->layout,
|
|
priv->submission,
|
|
gdk_event_get_time(NULL));
|
|
}
|
|
|
|
GTK_WIDGET_CLASS (eek_gtk_keyboard_parent_class)->unmap (self);
|
|
}
|
|
|
|
static void
|
|
eek_gtk_keyboard_set_property (GObject *object,
|
|
guint prop_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
(void)value;
|
|
switch (prop_id) {
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
eek_gtk_keyboard_dispose (GObject *object)
|
|
{
|
|
EekGtkKeyboard *self = EEK_GTK_KEYBOARD (object);
|
|
EekGtkKeyboardPrivate *priv = eek_gtk_keyboard_get_instance_private (self);
|
|
|
|
if (priv->renderer) {
|
|
g_object_unref (priv->renderer);
|
|
priv->renderer = NULL;
|
|
priv->renderer = NULL;
|
|
}
|
|
|
|
if (priv->keyboard) {
|
|
squeek_layout_release_all_only(
|
|
priv->keyboard->layout,
|
|
priv->submission,
|
|
gdk_event_get_time(NULL));
|
|
priv->keyboard = NULL;
|
|
}
|
|
|
|
G_OBJECT_CLASS (eek_gtk_keyboard_parent_class)->dispose (object);
|
|
}
|
|
|
|
static void
|
|
eek_gtk_keyboard_class_init (EekGtkKeyboardClass *klass)
|
|
{
|
|
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
|
|
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
|
|
|
widget_class->realize = eek_gtk_keyboard_real_realize;
|
|
widget_class->unmap = eek_gtk_keyboard_real_unmap;
|
|
widget_class->draw = eek_gtk_keyboard_real_draw;
|
|
widget_class->size_allocate = eek_gtk_keyboard_real_size_allocate;
|
|
widget_class->button_press_event =
|
|
eek_gtk_keyboard_real_button_press_event;
|
|
widget_class->button_release_event =
|
|
eek_gtk_keyboard_real_button_release_event;
|
|
widget_class->motion_notify_event =
|
|
eek_gtk_keyboard_real_motion_notify_event;
|
|
widget_class->leave_notify_event =
|
|
eek_gtk_keyboard_leave_event;
|
|
|
|
widget_class->touch_event = handle_touch_event;
|
|
|
|
gobject_class->set_property = eek_gtk_keyboard_set_property;
|
|
gobject_class->dispose = eek_gtk_keyboard_dispose;
|
|
}
|
|
|
|
static void
|
|
eek_gtk_keyboard_init (EekGtkKeyboard *self)
|
|
{
|
|
(void)self;
|
|
}
|
|
|
|
/**
|
|
* eek_gtk_keyboard_new:
|
|
* @keyboard: an #EekKeyboard
|
|
*
|
|
* Create a new #GtkWidget displaying @keyboard.
|
|
* Returns: a #GtkWidget
|
|
*/
|
|
GtkWidget *
|
|
eek_gtk_keyboard_new (LevelKeyboard *keyboard, EekboardContextService *eekservice,
|
|
struct submission *submission)
|
|
{
|
|
EekGtkKeyboard *ret = EEK_GTK_KEYBOARD(g_object_new (EEK_TYPE_GTK_KEYBOARD, NULL));
|
|
EekGtkKeyboardPrivate *priv = (EekGtkKeyboardPrivate*)eek_gtk_keyboard_get_instance_private (ret);
|
|
priv->keyboard = keyboard;
|
|
priv->eekboard_context = eekservice;
|
|
priv->submission = submission;
|
|
return GTK_WIDGET(ret);
|
|
}
|