545 lines
17 KiB
C
545 lines
17 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
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif /* HAVE_CONFIG_H */
|
|
|
|
#ifdef HAVE_LIBCANBERRA
|
|
#include <canberra-gtk.h>
|
|
#endif
|
|
|
|
#include <string.h>
|
|
|
|
#include "eek-gtk-keyboard.h"
|
|
#include "eek-gtk-renderer.h"
|
|
#include "eek-keyboard.h"
|
|
#include "eek-section.h"
|
|
#include "eek-key.h"
|
|
#include "eek-symbol.h"
|
|
|
|
enum {
|
|
PROP_0,
|
|
PROP_KEYBOARD,
|
|
PROP_LAST
|
|
};
|
|
|
|
G_DEFINE_TYPE (EekGtkKeyboard, eek_gtk_keyboard, GTK_TYPE_DRAWING_AREA);
|
|
|
|
#define EEK_GTK_KEYBOARD_GET_PRIVATE(obj) \
|
|
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), EEK_TYPE_GTK_KEYBOARD, EekGtkKeyboardPrivate))
|
|
|
|
/* since 2.91.5 GDK_DRAWABLE was removed and gdk_cairo_create takes
|
|
GdkWindow as the argument */
|
|
#ifndef GDK_DRAWABLE
|
|
#define GDK_DRAWABLE(x) (x)
|
|
#endif
|
|
|
|
struct _EekGtkKeyboardPrivate
|
|
{
|
|
EekRenderer *renderer;
|
|
EekKeyboard *keyboard;
|
|
EekKey *dragged_key;
|
|
gulong key_pressed_handler;
|
|
gulong key_released_handler;
|
|
gulong symbol_index_changed_handler;
|
|
EekTheme *theme;
|
|
};
|
|
|
|
static EekColor * color_from_gdk_color (GdkColor *gdk_color);
|
|
static void on_key_pressed (EekKeyboard *keyboard,
|
|
EekKey *key,
|
|
gpointer user_data);
|
|
static void on_key_released (EekKeyboard *keyboard,
|
|
EekKey *key,
|
|
gpointer user_data);
|
|
static void on_symbol_index_changed (EekKeyboard *keyboard,
|
|
gint group,
|
|
gint level,
|
|
gpointer user_data);
|
|
static void render_pressed_key (GtkWidget *widget,
|
|
EekKey *key);
|
|
static void render_released_key (GtkWidget *widget,
|
|
EekKey *key);
|
|
|
|
static void
|
|
eek_gtk_keyboard_real_realize (GtkWidget *self)
|
|
{
|
|
gtk_widget_set_double_buffered (self, FALSE);
|
|
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);
|
|
|
|
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_PRIVATE(self);
|
|
GtkAllocation allocation;
|
|
EekColor background;
|
|
|
|
gtk_widget_get_allocation (self, &allocation);
|
|
|
|
if (!priv->renderer) {
|
|
GtkStyle *style;
|
|
GtkStateType state;
|
|
PangoContext *pcontext;
|
|
EekColor *color;
|
|
|
|
pcontext = gtk_widget_get_pango_context (self);
|
|
priv->renderer = eek_gtk_renderer_new (priv->keyboard, pcontext, self);
|
|
if (priv->theme)
|
|
eek_renderer_set_theme (priv->renderer, priv->theme);
|
|
|
|
eek_renderer_set_allocation_size (priv->renderer,
|
|
allocation.width,
|
|
allocation.height);
|
|
|
|
style = gtk_widget_get_style (self);
|
|
state = gtk_widget_get_state (self);
|
|
|
|
color = color_from_gdk_color (&style->fg[state]);
|
|
eek_renderer_set_default_foreground_color (priv->renderer, color);
|
|
eek_color_free (color);
|
|
|
|
color = color_from_gdk_color (&style->bg[state]);
|
|
eek_renderer_set_default_background_color (priv->renderer, color);
|
|
eek_color_free (color);
|
|
}
|
|
|
|
/* blank background */
|
|
eek_renderer_get_background_color (priv->renderer,
|
|
EEK_ELEMENT(priv->keyboard),
|
|
&background);
|
|
cairo_set_source_rgba (cr,
|
|
background.red,
|
|
background.green,
|
|
background.blue,
|
|
background.alpha);
|
|
cairo_paint (cr);
|
|
|
|
eek_renderer_render_keyboard (priv->renderer, cr);
|
|
|
|
/* redraw dragged key */
|
|
if (priv->dragged_key)
|
|
render_pressed_key (self, priv->dragged_key);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
#if !GTK_CHECK_VERSION (2, 91, 2)
|
|
static gboolean
|
|
eek_gtk_keyboard_real_expose_event (GtkWidget *self,
|
|
GdkEventExpose *event)
|
|
{
|
|
gboolean retval;
|
|
cairo_t *cr;
|
|
|
|
cr = gdk_cairo_create (GDK_DRAWABLE (gtk_widget_get_window (self)));
|
|
retval = eek_gtk_keyboard_real_draw (self, cr);
|
|
cairo_destroy (cr);
|
|
|
|
return retval;
|
|
}
|
|
#endif /* !GTK_CHECK_VERSION (2, 91, 2) */
|
|
|
|
static void
|
|
eek_gtk_keyboard_real_size_allocate (GtkWidget *self,
|
|
GtkAllocation *allocation)
|
|
{
|
|
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(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 gboolean
|
|
eek_gtk_keyboard_real_button_press_event (GtkWidget *self,
|
|
GdkEventButton *event)
|
|
{
|
|
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(self);
|
|
EekKey *key;
|
|
|
|
key = eek_renderer_find_key_by_position (priv->renderer,
|
|
(gdouble)event->x,
|
|
(gdouble)event->y);
|
|
if (key && key != priv->dragged_key) {
|
|
priv->dragged_key = key;
|
|
g_signal_emit_by_name (key, "pressed", priv->keyboard);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
eek_gtk_keyboard_real_button_release_event (GtkWidget *self,
|
|
GdkEventButton *event)
|
|
{
|
|
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(self);
|
|
|
|
if (priv->dragged_key) {
|
|
g_signal_emit_by_name (priv->dragged_key, "released", priv->keyboard);
|
|
priv->dragged_key = NULL;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
eek_gtk_keyboard_real_motion_notify_event (GtkWidget *self,
|
|
GdkEventMotion *event)
|
|
{
|
|
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(self);
|
|
EekKey *key;
|
|
|
|
key = eek_renderer_find_key_by_position (priv->renderer,
|
|
(gdouble)event->x,
|
|
(gdouble)event->y);
|
|
if (key && key != priv->dragged_key) {
|
|
if (priv->dragged_key)
|
|
render_released_key (GTK_WIDGET(self), priv->dragged_key);
|
|
priv->dragged_key = key;
|
|
g_signal_emit_by_name (key, "pressed", priv->keyboard);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
eek_gtk_keyboard_real_unmap (GtkWidget *self)
|
|
{
|
|
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(self);
|
|
|
|
if (priv->dragged_key) {
|
|
g_signal_emit_by_name (priv->dragged_key, "released", priv->keyboard);
|
|
priv->dragged_key = NULL;
|
|
}
|
|
GTK_WIDGET_CLASS (eek_gtk_keyboard_parent_class)->unmap (self);
|
|
}
|
|
|
|
static void
|
|
eek_gtk_keyboard_set_keyboard (EekGtkKeyboard *self,
|
|
EekKeyboard *keyboard)
|
|
{
|
|
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(self);
|
|
priv->keyboard = g_object_ref (keyboard);
|
|
|
|
priv->key_pressed_handler =
|
|
g_signal_connect (priv->keyboard, "key-pressed",
|
|
G_CALLBACK(on_key_pressed), self);
|
|
priv->key_released_handler =
|
|
g_signal_connect (priv->keyboard, "key-released",
|
|
G_CALLBACK(on_key_released), self);
|
|
priv->symbol_index_changed_handler =
|
|
g_signal_connect (priv->keyboard, "symbol-index-changed",
|
|
G_CALLBACK(on_symbol_index_changed), self);
|
|
}
|
|
|
|
static void
|
|
eek_gtk_keyboard_set_property (GObject *object,
|
|
guint prop_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
EekKeyboard *keyboard;
|
|
|
|
switch (prop_id) {
|
|
case PROP_KEYBOARD:
|
|
keyboard = g_value_get_object (value);
|
|
eek_gtk_keyboard_set_keyboard (EEK_GTK_KEYBOARD(object), keyboard);
|
|
break;
|
|
default:
|
|
g_object_set_property (object,
|
|
g_param_spec_get_name (pspec),
|
|
value);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
eek_gtk_keyboard_dispose (GObject *object)
|
|
{
|
|
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(object);
|
|
|
|
if (priv->renderer) {
|
|
g_object_unref (priv->renderer);
|
|
priv->renderer = NULL;
|
|
}
|
|
|
|
if (priv->keyboard) {
|
|
if (g_signal_handler_is_connected (priv->keyboard,
|
|
priv->key_pressed_handler))
|
|
g_signal_handler_disconnect (priv->keyboard,
|
|
priv->key_pressed_handler);
|
|
if (g_signal_handler_is_connected (priv->keyboard,
|
|
priv->key_released_handler))
|
|
g_signal_handler_disconnect (priv->keyboard,
|
|
priv->key_released_handler);
|
|
if (g_signal_handler_is_connected (priv->keyboard,
|
|
priv->symbol_index_changed_handler))
|
|
g_signal_handler_disconnect (priv->keyboard,
|
|
priv->symbol_index_changed_handler);
|
|
|
|
if (priv->dragged_key) {
|
|
g_signal_emit_by_name (priv->dragged_key,
|
|
"released",
|
|
priv->keyboard);
|
|
priv->dragged_key = NULL;
|
|
}
|
|
|
|
g_object_unref (priv->keyboard);
|
|
priv->keyboard = NULL;
|
|
}
|
|
|
|
if (priv->theme) {
|
|
g_object_unref (priv->theme);
|
|
priv->theme = 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);
|
|
GParamSpec *pspec;
|
|
|
|
g_type_class_add_private (gobject_class,
|
|
sizeof (EekGtkKeyboardPrivate));
|
|
|
|
widget_class->realize = eek_gtk_keyboard_real_realize;
|
|
widget_class->unmap = eek_gtk_keyboard_real_unmap;
|
|
#if GTK_CHECK_VERSION (2, 91, 2)
|
|
widget_class->draw = eek_gtk_keyboard_real_draw;
|
|
#else /* GTK_CHECK_VERSION (2, 91, 2) */
|
|
widget_class->expose_event = eek_gtk_keyboard_real_expose_event;
|
|
#endif /* !GTK_CHECK_VERSION (2, 91, 2) */
|
|
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;
|
|
|
|
gobject_class->set_property = eek_gtk_keyboard_set_property;
|
|
gobject_class->dispose = eek_gtk_keyboard_dispose;
|
|
|
|
pspec = g_param_spec_object ("keyboard",
|
|
"Keyboard",
|
|
"Keyboard",
|
|
EEK_TYPE_KEYBOARD,
|
|
G_PARAM_CONSTRUCT_ONLY | G_PARAM_WRITABLE);
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_KEYBOARD,
|
|
pspec);
|
|
}
|
|
|
|
static void
|
|
eek_gtk_keyboard_init (EekGtkKeyboard *self)
|
|
{
|
|
self->priv = EEK_GTK_KEYBOARD_GET_PRIVATE(self);
|
|
}
|
|
|
|
/**
|
|
* eek_gtk_keyboard_new:
|
|
* @keyboard: an #EekKeyboard
|
|
*
|
|
* Create a new #GtkWidget displaying @keyboard.
|
|
* Returns: a #GtkWidget
|
|
*/
|
|
GtkWidget *
|
|
eek_gtk_keyboard_new (EekKeyboard *keyboard)
|
|
{
|
|
return g_object_new (EEK_TYPE_GTK_KEYBOARD, "keyboard", keyboard, NULL);
|
|
}
|
|
|
|
static EekColor *
|
|
color_from_gdk_color (GdkColor *gdk_color)
|
|
{
|
|
return eek_color_new (gdk_color->red / (gdouble)0xFFFF,
|
|
gdk_color->green / (gdouble)0xFFFF,
|
|
gdk_color->blue / (gdouble)0xFFFF,
|
|
1.0);
|
|
}
|
|
|
|
static void
|
|
magnify_bounds (GtkWidget *self,
|
|
EekBounds *bounds,
|
|
EekBounds *large_bounds,
|
|
gdouble scale)
|
|
{
|
|
GtkAllocation allocation;
|
|
gdouble x, y;
|
|
|
|
g_assert (scale >= 1.0);
|
|
|
|
gtk_widget_get_allocation (self, &allocation);
|
|
|
|
large_bounds->width = bounds->width * scale;
|
|
large_bounds->height = bounds->height * scale;
|
|
|
|
x = bounds->x - (large_bounds->width - bounds->width) / 2;
|
|
y = bounds->y - large_bounds->height;
|
|
|
|
large_bounds->x = CLAMP(x, 0, allocation.width - large_bounds->width);
|
|
large_bounds->y = CLAMP(y, 0, allocation.height - large_bounds->height);
|
|
}
|
|
|
|
static void
|
|
render_pressed_key (GtkWidget *widget,
|
|
EekKey *key)
|
|
{
|
|
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(widget);
|
|
EekBounds bounds, large_bounds;
|
|
cairo_t *cr;
|
|
|
|
cr = gdk_cairo_create (GDK_DRAWABLE (gtk_widget_get_window (widget)));
|
|
|
|
eek_renderer_get_key_bounds (priv->renderer, key, &bounds, TRUE);
|
|
magnify_bounds (widget, &bounds, &large_bounds, 1.5);
|
|
|
|
cairo_save (cr);
|
|
cairo_translate (cr, bounds.x, bounds.y);
|
|
eek_renderer_render_key (priv->renderer, cr, key, 1.0, TRUE);
|
|
cairo_restore (cr);
|
|
|
|
cairo_save (cr);
|
|
cairo_translate (cr, large_bounds.x, large_bounds.y);
|
|
eek_renderer_render_key (priv->renderer, cr, key, 1.5, TRUE);
|
|
cairo_restore (cr);
|
|
|
|
cairo_destroy (cr);
|
|
}
|
|
|
|
static void
|
|
render_released_key (GtkWidget *widget,
|
|
EekKey *key)
|
|
{
|
|
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(widget);
|
|
EekBounds bounds, large_bounds;
|
|
cairo_t *cr;
|
|
|
|
cr = gdk_cairo_create (GDK_DRAWABLE (gtk_widget_get_window (widget)));
|
|
|
|
eek_renderer_get_key_bounds (priv->renderer, key, &bounds, TRUE);
|
|
magnify_bounds (widget, &bounds, &large_bounds, 2.0);
|
|
cairo_rectangle (cr,
|
|
large_bounds.x,
|
|
large_bounds.y,
|
|
large_bounds.width,
|
|
large_bounds.height);
|
|
cairo_rectangle (cr,
|
|
bounds.x,
|
|
bounds.y,
|
|
bounds.width,
|
|
bounds.height);
|
|
cairo_clip (cr);
|
|
|
|
eek_renderer_render_keyboard (priv->renderer, cr);
|
|
cairo_destroy (cr);
|
|
}
|
|
|
|
static void
|
|
on_key_pressed (EekKeyboard *keyboard,
|
|
EekKey *key,
|
|
gpointer user_data)
|
|
{
|
|
GtkWidget *widget = user_data;
|
|
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(widget);
|
|
|
|
/* renderer may have not been set yet if the widget is a popup */
|
|
if (!priv->renderer)
|
|
return;
|
|
|
|
render_pressed_key (widget, key);
|
|
|
|
#if HAVE_LIBCANBERRA
|
|
ca_gtk_play_for_widget (widget, 0,
|
|
CA_PROP_EVENT_ID, "button-pressed",
|
|
CA_PROP_EVENT_DESCRIPTION, "virtual key pressed",
|
|
CA_PROP_APPLICATION_ID, "org.fedorahosted.Eekboard",
|
|
NULL);
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
on_key_released (EekKeyboard *keyboard,
|
|
EekKey *key,
|
|
gpointer user_data)
|
|
{
|
|
GtkWidget *widget = user_data;
|
|
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(widget);
|
|
|
|
/* renderer may have not been set yet if the widget is a popup */
|
|
if (!priv->renderer)
|
|
return;
|
|
|
|
render_released_key (widget, key);
|
|
|
|
#if HAVE_LIBCANBERRA
|
|
ca_gtk_play_for_widget (widget, 0,
|
|
CA_PROP_EVENT_ID, "button-released",
|
|
CA_PROP_EVENT_DESCRIPTION, "virtual key pressed",
|
|
CA_PROP_APPLICATION_ID, "org.fedorahosted.Eekboard",
|
|
NULL);
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
on_symbol_index_changed (EekKeyboard *keyboard,
|
|
gint group,
|
|
gint level,
|
|
gpointer user_data)
|
|
{
|
|
GtkWidget *widget = user_data;
|
|
|
|
gtk_widget_queue_draw (widget);
|
|
}
|
|
|
|
void
|
|
eek_gtk_keyboard_set_theme (EekGtkKeyboard *keyboard,
|
|
EekTheme *theme)
|
|
{
|
|
EekGtkKeyboardPrivate *priv;
|
|
|
|
g_return_if_fail (EEK_IS_GTK_KEYBOARD(keyboard));
|
|
g_return_if_fail (EEK_IS_THEME(theme));
|
|
|
|
priv = EEK_GTK_KEYBOARD_GET_PRIVATE(keyboard);
|
|
priv->theme = g_object_ref (theme);
|
|
}
|