s3rius/squeekboard
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Re-organize API.

Browse Source 
EekGtkKeyboard is now a subclass of GtkWidget not EekKeyboard.  Widget
creation is done as follows:

layout = eek_xkl_layout_new (...);
keyboard = eek_keyboard_new (layout, 640, 480);
widget = eek_gtk_keyboard_new (keyboard);

Broken Clutter support is temporarily disabled.
This commit is contained in:
Daiki Ueno
2011-01-22 11:52:20 +09:00
parent cab893b4aa
commit a0167c4cc2
10 changed files with 388 additions and 930 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
eek/Makefile.am
View File

@ -47,7 +47,8 @@ libeek_sources = \
$(srcdir)/eek-key.c \
$(srcdir)/eek-types.c \
$(srcdir)/eek-keysym.c \
$(srcdir)/eek-drawing.c
$(srcdir)/eek-renderer.c \
$(srcdir)/eek-keyboard-drawing.c
libeek_keysym_sources = \
$(srcdir)/eek-special-keysym-labels.h \
@ -63,7 +64,7 @@ libeek_marshallers_sources = \
$(srcdir)/eek-marshallers.h
libeek_private_headers = \
$(srcdir)/eek-drawing.h \
$(srcdir)/eek-renderer.h \
$(srcdir)/eek-special-keysym-labels.h \
$(srcdir)/eek-unicode-keysym-labels.h \
$(srcdir)/eek-keyname-keysym-labels.h \
@ -83,20 +84,16 @@ libeek_la_LIBADD = $(GOBJECT2_LIBS) $(PANGOCAIRO_LIBS) -lm
if HAVE_CLUTTER
libeek_clutter_public_headers = \
$(srcdir)/eek-clutter-keyboard.h \
$(srcdir)/eek-clutter-section.h \
$(srcdir)/eek-clutter-key.h \
$(srcdir)/eek-clutter-drawing-context.h \
$(srcdir)/eek-clutter.h
libeek_clutter_private_headers = \
$(srcdir)/eek-clutter-key-actor.h
$(srcdir)/eek-clutter-section.h \
$(srcdir)/eek-clutter-key.h
libeek_clutter_sources = \
$(srcdir)/eek-clutter-keyboard.c \
$(srcdir)/eek-clutter-section.c \
$(srcdir)/eek-clutter-key.c \
$(srcdir)/eek-clutter-key-actor.c \
$(srcdir)/eek-clutter-drawing-context.c
$(srcdir)/eek-clutter-key.c
libeek_clutter_la_SOURCES = $(libeek_clutter_sources)
libeek_clutter_la_CFLAGS = $(CLUTTER_CFLAGS)

830
eek/eek-gtk-keyboard.c
View File

@ -23,20 +23,19 @@
* @short_description: #EekKeyboard that can be converted into a #GtkWidget
*/
#include <string.h>
#include <math.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
#include "eek-gtk-keyboard.h"
#include "eek-drawing.h"
#include "eek-renderer.h"
#include "eek-keyboard.h"
#include "eek-section.h"
#include "eek-key.h"
#include "eek-keysym.h"
G_DEFINE_TYPE (EekGtkKeyboard, eek_gtk_keyboard, EEK_TYPE_KEYBOARD);
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))
@ -47,68 +46,164 @@ G_DEFINE_TYPE (EekGtkKeyboard, eek_gtk_keyboard, EEK_TYPE_KEYBOARD);
#define GDK_DRAWABLE(x) (x)
#endif
enum {
KEY_SURFACE_NORMAL = 0,
KEY_SURFACE_LARGE,
KEY_SURFACE_LAST
};
static const gdouble key_surface_scale[KEY_SURFACE_LAST] = {
1.0,
1.5
};
struct _EekGtkKeyboardPrivate
{
GtkWidget *widget;
cairo_surface_t *keyboard_surface;
GHashTable *key_surfaces;
PangoFontDescription *fonts[EEK_KEYSYM_CATEGORY_LAST];
gdouble scale;
EekKey *key;
EekRenderer *renderer;
EekKeyboard *keyboard;
EekKey *dragged_key;
};
static void prepare_keyboard_surface (EekGtkKeyboard *keyboard);
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_keysym_index_changed (EekKeyboard *keyboard,
gint group,
gint level,
gpointer user_data);
static void
eek_gtk_keyboard_real_set_keysym_index (EekKeyboard *self,
gint group,
gint level)
eek_gtk_keyboard_real_realize (GtkWidget *self)
{
gint g, l;
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);
eek_keyboard_get_keysym_index (self, &g, &l);
EEK_KEYBOARD_CLASS(eek_gtk_keyboard_parent_class)->
set_keysym_index (self, group, level);
if (g != group || l != level) {
EekGtkKeyboard *keyboard = EEK_GTK_KEYBOARD(self);
EekGtkKeyboardPrivate *priv =
EEK_GTK_KEYBOARD_GET_PRIVATE(keyboard);
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;
GtkAllocation allocation;
cairo_t *cr;
PangoContext *pcontext;
if (!priv->widget || !gtk_widget_get_realized (priv->widget))
return;
pcontext = gtk_widget_get_pango_context (self);
priv->renderer = eek_renderer_new (priv->keyboard, pcontext);
prepare_keyboard_surface (keyboard);
gtk_widget_get_allocation (priv->widget, &allocation);
eek_renderer_set_preferred_size (priv->renderer,
allocation.width,
allocation.height);
cr = gdk_cairo_create (GDK_DRAWABLE (gtk_widget_get_window (priv->widget)));
style = gtk_widget_get_style (priv->widget);
state = gtk_widget_get_state (priv->widget);
gdk_cairo_set_source_color (cr, &style->fg[state]);
style = gtk_widget_get_style (self);
state = gtk_widget_get_state (self);
cairo_set_source_surface (cr, priv->keyboard_surface, 0, 0);
cairo_rectangle (cr, 0, 0, allocation.width, allocation.height);
cairo_fill (cr);
cairo_destroy (cr);
eek_renderer_set_foreground
(priv->renderer,
color_from_gdk_color (&style->fg[state]));
eek_renderer_set_background
(priv->renderer,
color_from_gdk_color (&style->bg[state]));
}
/* blank background */
eek_renderer_get_background (priv->renderer, &background);
cairo_set_source_rgba (cr,
background.red,
background.green,
background.blue,
background.alpha);
cairo_rectangle (cr,
0.0,
0.0,
allocation.width,
allocation.height);
cairo_fill (cr);
eek_renderer_render_keyboard (priv->renderer, cr);
#if GTK_CHECK_VERSION (2, 91, 2)
GTK_WIDGET_CLASS (eek_gtk_keyboard_parent_class)->draw (self, cr);
#endif /* GTK_CHECK_VERSION (2, 91, 2) */
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_preferred_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 (priv->dragged_key && priv->dragged_key != key)
g_signal_emit_by_name (priv->dragged_key, "released", priv->keyboard);
if (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);
EekKey *key;
key = eek_renderer_find_key_by_position (priv->renderer,
(gdouble)event->x,
(gdouble)event->y);
if (priv->dragged_key) {
g_signal_emit_by_name (priv->dragged_key, "released", priv->keyboard);
priv->dragged_key = NULL;
}
return TRUE;
}
static void
@ -116,50 +211,35 @@ eek_gtk_keyboard_dispose (GObject *object)
{
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(object);
if (priv->widget) {
g_object_unref (priv->widget);
priv->widget = NULL;
if (priv->renderer) {
g_object_unref (priv->renderer);
priv->renderer = NULL;
}
G_OBJECT_CLASS (eek_gtk_keyboard_parent_class)->dispose (object);
}
static void
eek_gtk_keyboard_finalize (GObject *object)
{
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(object);
gint i;
cairo_surface_destroy (priv->keyboard_surface);
g_hash_table_destroy (priv->key_surfaces);
for (i = 0; i < EEK_KEYSYM_CATEGORY_LAST; i++)
pango_font_description_free (priv->fonts[i]);
G_OBJECT_CLASS (eek_gtk_keyboard_parent_class)->finalize (object);
}
static void
eek_gtk_keyboard_class_init (EekGtkKeyboardClass *klass)
{
EekKeyboardClass *keyboard_class = EEK_KEYBOARD_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (gobject_class,
sizeof (EekGtkKeyboardPrivate));
keyboard_class->set_keysym_index = eek_gtk_keyboard_real_set_keysym_index;
widget_class->realize = eek_gtk_keyboard_real_realize;
#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;
gobject_class->dispose = eek_gtk_keyboard_dispose;
gobject_class->finalize = eek_gtk_keyboard_finalize;
}
static void
key_surface_free (gpointer user_data)
{
cairo_surface_t **key_surfaces = user_data;
gint i;
for (i = 0; i < KEY_SURFACE_LAST; i++)
cairo_surface_destroy (key_surfaces[i]);
g_slice_free1 (sizeof (cairo_surface_t *) * KEY_SURFACE_LAST, key_surfaces);
}
static void
@ -168,16 +248,9 @@ eek_gtk_keyboard_init (EekGtkKeyboard *self)
EekGtkKeyboardPrivate *priv;
priv = self->priv = EEK_GTK_KEYBOARD_GET_PRIVATE(self);
priv->widget = NULL;
priv->keyboard_surface = NULL;
priv->key_surfaces =
g_hash_table_new_full (g_direct_hash,
g_direct_equal,
NULL,
key_surface_free);
memset (priv->fonts, 0, sizeof priv->fonts);
priv->scale = 1.0;
priv->key = NULL;
priv->renderer = NULL;
priv->keyboard = NULL;
priv->dragged_key = NULL;
}
/**
@ -185,456 +258,135 @@ eek_gtk_keyboard_init (EekGtkKeyboard *self)
*
* Create a new #EekGtkKeyboard.
*/
EekKeyboard*
eek_gtk_keyboard_new (void)
{
return g_object_new (EEK_TYPE_GTK_KEYBOARD, NULL);
}
struct _DrawingContext
{
EekGtkKeyboard *keyboard;
cairo_t *cr;
GdkColor *fg, *bg;
};
typedef struct _DrawingContext DrawingContext;
static void on_key_pressed (EekKey *key, gpointer user_data);
static void on_key_released (EekKey *key, gpointer user_data);
static void
prepare_keyboard_pixmap_key_callback (EekElement *element,
gpointer user_data)
{
DrawingContext *context = user_data;
EekGtkKeyboardPrivate *priv =
EEK_GTK_KEYBOARD_GET_PRIVATE(context->keyboard);
EekKey *key = EEK_KEY(element);
EekBounds bounds;
EekOutline *outline;
cairo_surface_t **key_surfaces;
eek_element_get_bounds (element, &bounds);
g_signal_connect (key, "pressed", G_CALLBACK(on_key_pressed),
context->keyboard);
g_signal_connect (key, "released", G_CALLBACK(on_key_released),
context->keyboard);
outline = eek_key_get_outline (key);
key_surfaces = g_hash_table_lookup (priv->key_surfaces, outline);
if (!key_surfaces) {
cairo_t *cr;
gint i;
key_surfaces = g_slice_alloc (sizeof (cairo_surface_t *) *
KEY_SURFACE_LAST);
for (i = 0; i < KEY_SURFACE_LAST; i++) {
gdouble scale = key_surface_scale[i];
key_surfaces[i] = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
bounds.width * scale,
bounds.height * scale);
cr = cairo_create (key_surfaces[i]);
cairo_scale (cr, priv->scale * scale, priv->scale * scale);
gdk_cairo_set_source_color (cr, context->bg);
cairo_rectangle (cr, 0, 0, bounds.width, bounds.height);
gdk_cairo_set_source_color (cr, context->fg);
eek_draw_outline (cr, outline);
cairo_destroy (cr);
}
g_hash_table_insert (priv->key_surfaces, outline, key_surfaces);
}
cairo_save (context->cr);
cairo_translate (context->cr, bounds.x, bounds.y);
cairo_set_source_surface (context->cr, key_surfaces[0], 0, 0);
cairo_rectangle (context->cr, 0, 0, bounds.width, bounds.height);
cairo_fill (context->cr);
cairo_move_to (context->cr, 0, 0);
gdk_cairo_set_source_color (context->cr, context->fg);
eek_draw_key_label (context->cr, key, priv->fonts);
cairo_restore (context->cr);
}
static void
prepare_keyboard_pixmap_section_callback (EekElement *element,
gpointer user_data)
{
DrawingContext *context = user_data;
EekBounds bounds;
gint angle;
eek_element_get_bounds (element, &bounds);
angle = eek_section_get_angle (EEK_SECTION(element));
cairo_save (context->cr);
cairo_translate (context->cr,
bounds.x,
bounds.y);
cairo_rotate (context->cr, angle * M_PI / 180);
eek_container_foreach_child (EEK_CONTAINER(element),
prepare_keyboard_pixmap_key_callback,
context);
cairo_restore (context->cr);
}
static void
drawing_context_init (DrawingContext *context,
cairo_t *cr,
EekGtkKeyboard *keyboard)
{
EekGtkKeyboardPrivate *priv = keyboard->priv;
GtkStyle *style;
GtkStateType state;
context->cr = cr;
context->keyboard = keyboard;
style = gtk_widget_get_style (priv->widget);
state = gtk_widget_get_state (priv->widget);
context->fg = &style->fg[state];
context->bg = &style->bg[state];
}
static void
prepare_keyboard_surface (EekGtkKeyboard *keyboard)
{
EekGtkKeyboardPrivate *priv = keyboard->priv;
GtkAllocation allocation;
GtkStyle *style;
GtkStateType state;
DrawingContext context;
cairo_t *cr;
gtk_widget_get_allocation (priv->widget, &allocation);
priv->keyboard_surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
allocation.width,
allocation.height);
/* blank background */
cr = cairo_create (priv->keyboard_surface);
cairo_scale (cr, priv->scale, priv->scale);
style = gtk_widget_get_style (priv->widget);
state = gtk_widget_get_state (priv->widget);
gdk_cairo_set_source_color (cr, &style->base[state]);
cairo_rectangle (cr, 0, 0, allocation.width, allocation.height);
cairo_fill (cr);
/* draw sections on the canvas */
drawing_context_init (&context, cr, keyboard);
eek_container_foreach_child (EEK_CONTAINER(keyboard),
prepare_keyboard_pixmap_section_callback,
&context);
cairo_destroy (cr);
}
static void
redraw_keyboard (cairo_t *cr,
EekGtkKeyboard *keyboard,
gint x,
gint y,
gint width,
gint height)
{
EekGtkKeyboardPrivate *priv =
EEK_GTK_KEYBOARD_GET_PRIVATE(keyboard);
GtkStyle *style;
GtkStateType state;
style = gtk_widget_get_style (priv->widget);
state = gtk_widget_get_state (priv->widget);
if (!priv->keyboard_surface) {
PangoFontDescription *base_font;
PangoContext *context;
PangoLayout *layout;
/* compute font sizes which fit in each key shape */
context = gtk_widget_get_pango_context (priv->widget);
layout = pango_layout_new (context);
base_font = style->font_desc;
pango_layout_set_font_description (layout, base_font);
eek_get_fonts (EEK_KEYBOARD(keyboard), layout, priv->fonts);
g_object_unref (layout);
prepare_keyboard_surface (keyboard);
}
g_return_if_fail (priv->keyboard_surface);
gdk_cairo_set_source_color (cr, &style->fg[state]);
cairo_set_source_surface (cr,
priv->keyboard_surface,
x, y);
cairo_rectangle (cr, x, y, width, height);
cairo_fill (cr);
}
#if GTK_CHECK_VERSION (2, 91, 2)
static gboolean
on_draw (GtkWidget *widget,
cairo_t *cr,
gpointer user_data)
{
EekGtkKeyboard *keyboard = user_data;
EekGtkKeyboardPrivate *priv =
EEK_GTK_KEYBOARD_GET_PRIVATE(keyboard);
GtkAllocation allocation;
g_return_val_if_fail (widget == priv->widget, FALSE);
gtk_widget_get_allocation (priv->widget, &allocation);
redraw_keyboard (cr, keyboard, 0, 0, allocation.width, allocation.height);
return TRUE;
}
#else
static gboolean
on_expose_event (GtkWidget *widget,
GdkEventExpose *event,
gpointer user_data)
{
EekGtkKeyboard *keyboard = user_data;
EekGtkKeyboardPrivate *priv =
EEK_GTK_KEYBOARD_GET_PRIVATE(keyboard);
cairo_t *cr;
g_return_val_if_fail (widget == priv->widget, FALSE);
cr = gdk_cairo_create (GDK_DRAWABLE (gtk_widget_get_window (priv->widget)));
redraw_keyboard (cr, keyboard,
event->area.x, event->area.y,
event->area.width, event->area.height);
cairo_destroy (cr);
return TRUE;
}
#endif
static void
redraw_key (cairo_t *cr,
EekKey *key,
gint key_surface_type,
EekGtkKeyboard *keyboard)
{
EekGtkKeyboardPrivate *priv =
EEK_GTK_KEYBOARD_GET_PRIVATE(keyboard);
EekBounds bounds;
EekOutline *outline;
gdouble x, y;
int width, height;
GtkStyle *style;
GtkStateType state;
cairo_surface_t **key_surfaces, *large_surface;
g_return_if_fail (priv->keyboard_surface);
outline = eek_key_get_outline (key);
key_surfaces = g_hash_table_lookup (priv->key_surfaces, outline);
g_return_if_fail (key_surfaces);
large_surface = key_surfaces[KEY_SURFACE_LARGE];
width = cairo_image_surface_get_width (large_surface);
height = cairo_image_surface_get_height (large_surface);
eek_element_get_bounds (EEK_ELEMENT(key), &bounds);
eek_element_get_absolute_position (EEK_ELEMENT(key), &x, &y);
x -= (width - bounds.width) / 2;
y -= (height - bounds.height) / 2;
style = gtk_widget_get_style (priv->widget);
state = gtk_widget_get_state (priv->widget);
gdk_cairo_set_source_color (cr, &style->fg[state]);
switch (key_surface_type) {
case KEY_SURFACE_NORMAL:
cairo_set_source_surface (cr, priv->keyboard_surface, 0, 0);
cairo_scale (cr, priv->scale, priv->scale);
cairo_rectangle (cr, x, y, width, height);
cairo_fill (cr);
break;
case KEY_SURFACE_LARGE:
cairo_scale (cr, priv->scale, priv->scale);
cairo_set_source_surface (cr, large_surface, x, y);
cairo_rectangle (cr, x, y, width, height);
cairo_fill (cr);
cairo_move_to (cr, x, y);
gdk_cairo_set_source_color (cr, &style->fg[state]);
cairo_scale (cr,
key_surface_scale[KEY_SURFACE_LARGE],
key_surface_scale[KEY_SURFACE_LARGE]);
eek_draw_key_label (cr, key, priv->fonts);
break;
}
}
static void
on_key_pressed (EekKey *key, gpointer user_data)
{
EekGtkKeyboard *keyboard = user_data;
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(keyboard);
cairo_t *cr;
cr = gdk_cairo_create (GDK_DRAWABLE (gtk_widget_get_window (priv->widget)));
redraw_key (cr, key, KEY_SURFACE_LARGE, keyboard);
cairo_destroy (cr);
priv->key = key;
}
static void
on_key_released (EekKey *key, gpointer user_data)
{
EekGtkKeyboard *keyboard = user_data;
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(keyboard);
cairo_t *cr;
if (priv->key) {
cr = gdk_cairo_create (GDK_DRAWABLE (gtk_widget_get_window (priv->widget)));
redraw_key (cr, priv->key, KEY_SURFACE_NORMAL, keyboard);
cairo_destroy (cr);
priv->key = NULL;
}
cr = gdk_cairo_create (GDK_DRAWABLE (gtk_widget_get_window (priv->widget)));
redraw_key (cr, key, KEY_SURFACE_NORMAL, keyboard);
cairo_destroy (cr);
}
static void
press_key (EekGtkKeyboard *keyboard, EekKey *key)
{
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(keyboard);
if (priv->key != key)
g_signal_emit_by_name (key, "pressed", keyboard);
}
static void
release_key (EekGtkKeyboard *keyboard)
{
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(keyboard);
if (priv->key)
g_signal_emit_by_name (priv->key, "released", keyboard);
}
static gboolean
on_key_event (GtkWidget *widget,
GdkEventKey *event,
gpointer user_data)
{
EekGtkKeyboard *keyboard = user_data;
EekKey *key;
key = eek_keyboard_find_key_by_keycode (EEK_KEYBOARD(keyboard),
event->hardware_keycode);
if (!key)
return FALSE;
switch (event->type) {
case GDK_KEY_PRESS:
press_key (keyboard, key);
return TRUE;
case GDK_KEY_RELEASE:
release_key (keyboard);
return TRUE;
default:
return FALSE;
}
}
static gboolean
on_button_event (GtkWidget *widget,
GdkEventButton *event,
gpointer user_data)
{
EekGtkKeyboard *keyboard = EEK_GTK_KEYBOARD(user_data);
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(keyboard);
EekKey *key;
gdouble x, y;
x = (gdouble)event->x / priv->scale;
y = (gdouble)event->y / priv->scale;
key = eek_keyboard_find_key_by_position (EEK_KEYBOARD(keyboard), x, y);
if (key)
switch (event->type) {
case GDK_BUTTON_PRESS:
press_key (EEK_GTK_KEYBOARD(keyboard), key);
return TRUE;
case GDK_BUTTON_RELEASE:
release_key (EEK_GTK_KEYBOARD(keyboard));
return TRUE;
default:
return FALSE;
}
return FALSE;
}
static void
on_size_allocate (GtkWidget *widget,
GtkAllocation *allocation,
gpointer user_data)
{
EekGtkKeyboard *keyboard = user_data;
EekGtkKeyboardPrivate *priv =
EEK_GTK_KEYBOARD_GET_PRIVATE(keyboard);
EekBounds bounds;
if (priv->keyboard_surface) {
cairo_surface_destroy (priv->keyboard_surface);
priv->keyboard_surface = NULL;
}
g_hash_table_remove_all (priv->key_surfaces);
eek_element_get_bounds (EEK_ELEMENT(keyboard), &bounds);
priv->scale = allocation->width > allocation->height ?
allocation->height / bounds.height :
allocation->width / bounds.width;
}
GtkWidget *
eek_gtk_keyboard_get_widget (EekGtkKeyboard *keyboard)
eek_gtk_keyboard_new (EekKeyboard *keyboard)
{
EekGtkKeyboardPrivate *priv =
EEK_GTK_KEYBOARD_GET_PRIVATE(keyboard);
GtkWidget *widget;
EekGtkKeyboardPrivate *priv;
if (!priv->widget) {
priv->widget = gtk_drawing_area_new ();
g_object_ref_sink (priv->widget);
widget = g_object_new (EEK_TYPE_GTK_KEYBOARD, NULL);
priv = EEK_GTK_KEYBOARD_GET_PRIVATE(widget);
priv->keyboard = g_object_ref_sink (keyboard);
gtk_widget_set_double_buffered (priv->widget, FALSE);
gtk_widget_set_events (priv->widget,
GDK_EXPOSURE_MASK |
GDK_KEY_PRESS_MASK |
GDK_KEY_RELEASE_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK);
#if GTK_CHECK_VERSION (2, 91, 2)
g_signal_connect (priv->widget, "draw",
G_CALLBACK (on_draw), keyboard);
#else
g_signal_connect (priv->widget, "expose_event",
G_CALLBACK (on_expose_event), keyboard);
#endif
g_signal_connect (priv->widget, "size-allocate",
G_CALLBACK (on_size_allocate), keyboard);
g_signal_connect (priv->widget, "key-press-event",
G_CALLBACK (on_key_event), keyboard);
g_signal_connect (priv->widget, "key-release-event",
G_CALLBACK (on_key_event), keyboard);
g_signal_connect (priv->widget, "button-press-event",
G_CALLBACK (on_button_event), keyboard);
g_signal_connect (priv->widget, "button-release-event",
G_CALLBACK (on_button_event), keyboard);
eek_keyboard_realize (EEK_KEYBOARD(keyboard));
}
return priv->widget;
g_signal_connect (priv->keyboard, "key-pressed",
G_CALLBACK(on_key_pressed), widget);
g_signal_connect (priv->keyboard, "key-released",
G_CALLBACK(on_key_released), widget);
g_signal_connect (priv->keyboard, "keysym-index-changed",
G_CALLBACK(on_keysym_index_changed), widget);
return widget;
}
static EekColor *
color_from_gdk_color (GdkColor *gdk_color)
{
EekColor *color;
color = g_slice_new (EekColor);
color->red = gdk_color->red / (gdouble)0xFFFF;
color->green = gdk_color->green / (gdouble)0xFFFF;
color->blue = gdk_color->blue / (gdouble)0xFFFF;
color->alpha = 1.0;
return color;
}
static void
magnify_bounds (EekBounds *bounds, EekBounds *large_bounds, gdouble scale)
{
g_assert (scale >= 1.0);
large_bounds->width = bounds->width * scale;
large_bounds->height = bounds->height * scale;
large_bounds->x = bounds->x - (large_bounds->width - bounds->width) / 2;
large_bounds->y = bounds->y - (large_bounds->height - bounds->height) / 2;
}
static void
on_key_pressed (EekKeyboard *keyboard,
EekKey *key,
gpointer user_data)
{
GtkWidget *widget = user_data;
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(widget);
cairo_t *cr;
EekBounds bounds, large_bounds;
/* renderer may have not been set yet if the widget is a popup */
if (!priv->renderer)
return;
cr = gdk_cairo_create (GDK_DRAWABLE (gtk_widget_get_window (widget)));
eek_renderer_get_key_bounds (priv->renderer, key, &bounds, TRUE);
magnify_bounds (&bounds, &large_bounds, 1.5);
cairo_translate (cr, large_bounds.x, large_bounds.y);
eek_renderer_render_key (priv->renderer, cr, key, 1.5);
cairo_destroy (cr);
}
static void
on_key_released (EekKeyboard *keyboard,
EekKey *key,
gpointer user_data)
{
GtkWidget *widget = user_data;
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(widget);
cairo_t *cr;
EekBounds bounds, large_bounds;
EekColor background;
cairo_path_t *cp;
/* renderer may have not been set yet if the widget is a popup */
if (!priv->renderer)
return;
cr = gdk_cairo_create (GDK_DRAWABLE (gtk_widget_get_window (widget)));
eek_renderer_get_key_bounds (priv->renderer, key, &bounds, TRUE);
magnify_bounds (&bounds, &large_bounds, 1.5);
cairo_rectangle (cr,
large_bounds.x,
large_bounds.y,
large_bounds.width,
large_bounds.height);
cp = cairo_copy_path (cr);
cairo_clip (cr);
eek_renderer_get_background (priv->renderer, &background);
cairo_set_source_rgba (cr,
background.red,
background.green,
background.blue,
background.alpha);
cairo_append_path (cr, cp);
cairo_fill (cr);
eek_renderer_render_keyboard (priv->renderer, cr);
cairo_path_destroy (cp);
cairo_destroy (cr);
}
static void
on_keysym_index_changed (EekKeyboard *keyboard,
gint group,
gint level,
gpointer user_data)
{
GtkWidget *widget = user_data;
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(widget);
cairo_t *cr;
cr = gdk_cairo_create (GDK_DRAWABLE (gtk_widget_get_window (widget)));
g_signal_emit_by_name (widget, "draw", cr);
cairo_destroy (cr);
/* redraw dragged key */
if (priv->dragged_key) {
guint keysym;
keysym = eek_key_get_keysym (priv->dragged_key);
on_key_pressed (keyboard, priv->dragged_key, NULL);
}
}

10
eek/eek-gtk-keyboard.h
View File

@ -22,6 +22,7 @@
#include <glib.h>
#include <gtk/gtk.h>
#include "eek-keyboard.h"
G_BEGIN_DECLS
@ -39,7 +40,7 @@ typedef struct _EekGtkKeyboardPrivate EekGtkKeyboardPrivate;
struct _EekGtkKeyboard
{
/*< private >*/
EekKeyboard parent;
GtkDrawingArea parent;
EekGtkKeyboardPrivate *priv;
};
@ -47,16 +48,15 @@ struct _EekGtkKeyboard
struct _EekGtkKeyboardClass
{
/*< private >*/
EekKeyboardClass parent_class;
GtkDrawingAreaClass parent_class;
/*< private >*/
/* padding */
gpointer pdummy[24];
};
GType eek_gtk_keyboard_get_type (void) G_GNUC_CONST;
EekKeyboard *eek_gtk_keyboard_new (void);
GtkWidget *eek_gtk_keyboard_get_widget (EekGtkKeyboard *keyboard);
GType eek_gtk_keyboard_get_type (void) G_GNUC_CONST;
GtkWidget *eek_gtk_keyboard_new (EekKeyboard *keyboard);
G_END_DECLS
#endif /* EEK_GTK_KEYBOARD_H */

164
eek/eek-keyboard.c
View File

@ -63,7 +63,6 @@ struct _EekKeyboardPrivate
gint group;
gint level;
EekLayout *layout;
gboolean is_realized;
};
struct _SetKeysymIndexCallbackData {
@ -161,44 +160,6 @@ eek_keyboard_real_create_section (EekKeyboard *self)
return section;
}
static void
on_group_changed (EekLayout *layout,
gint new_group,
gpointer user_data)
{
EekKeyboard *keyboard = user_data;
gint group, level;
eek_keyboard_get_keysym_index (keyboard, &group, &level);
eek_keyboard_set_keysym_index (keyboard, new_group, level);
}
static void
eek_keyboard_real_set_layout (EekKeyboard *self,
EekLayout *layout)
{
EekKeyboardPrivate *priv = EEK_KEYBOARD_GET_PRIVATE(self);
g_return_if_fail (EEK_IS_LAYOUT(layout));
priv->layout = layout;
g_object_ref_sink (priv->layout);
g_signal_connect (priv->layout, "group-changed",
G_CALLBACK(on_group_changed), self);
}
static void
eek_keyboard_real_realize (EekKeyboard *self)
{
EekKeyboardPrivate *priv = EEK_KEYBOARD_GET_PRIVATE(self);
g_return_if_fail (priv->layout);
g_return_if_fail (!priv->is_realized);
EEK_LAYOUT_GET_IFACE(priv->layout)->apply (priv->layout, self);
/* apply the initial group setting */
on_group_changed (priv->layout, eek_layout_get_group (priv->layout), self);
priv->is_realized = TRUE;
}
struct _FindKeyByKeycodeCallbackData {
EekKey *key;
guint keycode;
@ -231,18 +192,6 @@ eek_keyboard_real_find_key_by_keycode (EekKeyboard *self,
return NULL;
}
static void
eek_keyboard_dispose (GObject *object)
{
EekKeyboardPrivate *priv = EEK_KEYBOARD_GET_PRIVATE(object);
if (priv->layout) {
g_object_unref (priv->layout);
priv->layout = NULL;
}
G_OBJECT_CLASS(eek_keyboard_parent_class)->dispose (object);
}
static void
eek_keyboard_set_property (GObject *object,
guint prop_id,
@ -299,6 +248,14 @@ eek_keyboard_get_property (GObject *object,
}
}
static void
eek_keyboard_real_keysym_index_changed (EekKeyboard *self,
gint group,
gint level)
{
/* g_debug ("keysym-index-changed"); */
}
static void
eek_keyboard_class_init (EekKeyboardClass *klass)
{
@ -311,13 +268,12 @@ eek_keyboard_class_init (EekKeyboardClass *klass)
klass->set_keysym_index = eek_keyboard_real_set_keysym_index;
klass->get_keysym_index = eek_keyboard_real_get_keysym_index;
klass->create_section = eek_keyboard_real_create_section;
klass->set_layout = eek_keyboard_real_set_layout;
klass->realize = eek_keyboard_real_realize;
klass->find_key_by_keycode = eek_keyboard_real_find_key_by_keycode;
klass->keysym_index_changed = eek_keyboard_real_keysym_index_changed;
gobject_class->get_property = eek_keyboard_get_property;
gobject_class->set_property = eek_keyboard_set_property;
gobject_class->dispose = eek_keyboard_dispose;
/**
* EekKeyboard:group:
@ -399,8 +355,8 @@ eek_keyboard_class_init (EekKeyboardClass *klass)
signals[KEYSYM_INDEX_CHANGED] =
g_signal_new ("keysym-index-changed",
G_TYPE_FROM_CLASS(gobject_class),
G_SIGNAL_RUN_FIRST,
0,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET(EekKeyboardClass, keysym_index_changed),
NULL,
NULL,
_eek_marshal_VOID__INT_INT,
@ -418,7 +374,6 @@ eek_keyboard_init (EekKeyboard *self)
priv = self->priv = EEK_KEYBOARD_GET_PRIVATE(self);
priv->group = priv->level = 0;
priv->layout = NULL;
priv->is_realized = FALSE;
}
/**
@ -474,29 +429,6 @@ eek_keyboard_create_section (EekKeyboard *keyboard)
return section;
}
/**
* eek_keyboard_set_layout:
* @keyboard: an #EekKeyboard
* @layout: an #EekLayout
*
* Set the layout of @keyboard to @layout. This actually turns
* @keyboard to be ready to be drawn on the screen.
*/
void
eek_keyboard_set_layout (EekKeyboard *keyboard,
EekLayout *layout)
{
g_return_if_fail (EEK_IS_KEYBOARD(keyboard));
EEK_KEYBOARD_GET_CLASS(keyboard)->set_layout (keyboard, layout);
}
void
eek_keyboard_realize (EekKeyboard *keyboard)
{
g_return_if_fail (EEK_IS_KEYBOARD(keyboard));
EEK_KEYBOARD_GET_CLASS(keyboard)->realize (keyboard);
}
/**
* eek_keyboard_find_key_by_keycode:
* @keyboard: an #EekKeyboard
@ -514,65 +446,21 @@ eek_keyboard_find_key_by_keycode (EekKeyboard *keyboard,
keycode);
}
struct _FindKeyByPositionCallbackData {
gdouble x;
gdouble y;
EekKey *key;
};
typedef struct _FindKeyByPositionCallbackData FindKeyByPositionCallbackData;
static gboolean
section_includes_point (EekSection *section, EekPoint *point)
EekKeyboard *
eek_keyboard_new (EekLayout *layout,
gint preferred_width,
gint preferred_height)
{
gint angle;
EekBounds bounds;
EekPoint rotated;
eek_element_get_bounds (EEK_ELEMENT(section), &bounds);
rotated.x = point->x - bounds.x;
rotated.y = point->y - bounds.y;
angle = eek_section_get_angle (EEK_SECTION(section));
eek_point_rotate (&rotated, -angle);
if (0 <= rotated.x && 0 <= rotated.y &&
rotated.x <= bounds.width &&
rotated.y <= bounds.height)
return TRUE;
return FALSE;
}
static void
find_key_by_position_section_callback (EekElement *element,
gpointer user_data)
{
FindKeyByPositionCallbackData *data = user_data;
EekPoint point;
if (!data->key) {
point.x = data->x;
point.y = data->y;
if (section_includes_point (EEK_SECTION(element), &point))
data->key = eek_section_find_key_by_position (EEK_SECTION(element),
point.x,
point.y);
}
}
EekKey *
eek_keyboard_find_key_by_position (EekKeyboard *keyboard,
gdouble x,
gdouble y)
{
FindKeyByPositionCallbackData data;
EekKeyboard *keyboard = g_object_new (EEK_TYPE_KEYBOARD, NULL);
EekBounds bounds;
eek_element_get_bounds (EEK_ELEMENT(keyboard), &bounds);
data.x = x - bounds.x;
data.y = y - bounds.y;
data.key = NULL;
/* eek_container_find() cannot be used here since sections may overlap. */
eek_container_foreach_child (EEK_CONTAINER(keyboard),
find_key_by_position_section_callback,
&data);
return data.key;
g_return_val_if_fail (EEK_IS_LAYOUT (layout), NULL);
bounds.x = bounds.y = 0.0;
bounds.width = preferred_width;
bounds.height = preferred_height;
eek_element_set_bounds (EEK_ELEMENT(keyboard), &bounds);
eek_layout_apply (layout, keyboard);
return keyboard;
}

57
eek/eek-keyboard.h
View File

@ -63,45 +63,44 @@ struct _EekKeyboardClass
EekContainerClass parent_class;
/*< public >*/
void (* set_keysym_index) (EekKeyboard *self,
gint group,
gint level);
void (* get_keysym_index) (EekKeyboard *self,
gint *group,
gint *level);
void (* set_keysym_index) (EekKeyboard *self,
gint group,
gint level);
void (* get_keysym_index) (EekKeyboard *self,
gint *group,
gint *level);
EekSection *(* create_section) (EekKeyboard *self);
EekSection *(* create_section) (EekKeyboard *self);
void (* set_layout) (EekKeyboard *self,
EekLayout *layout);
EekKey *(* find_key_by_keycode) (EekKeyboard *self,
guint keycode);
void (* realize) (EekKeyboard *self);
EekKey *(* find_key_by_keycode) (EekKeyboard *self,
guint keycode);
/* signals */
void (* keysym_index_changed) (EekKeyboard *self,
gint group,
gint level);
/*< private >*/
/* padding */
gpointer pdummy[24];
gpointer pdummy[23];
};
GType eek_keyboard_get_type (void) G_GNUC_CONST;
GType eek_keyboard_get_type (void) G_GNUC_CONST;
void eek_keyboard_set_keysym_index (EekKeyboard *keyboard,
gint group,
gint level);
void eek_keyboard_get_keysym_index (EekKeyboard *keyboard,
gint *group,
gint *level);
EekKeyboard *eek_keyboard_new (EekLayout *layout,
gint preferred_width,
gint preferred_height);
void eek_keyboard_set_keysym_index (EekKeyboard *keyboard,
gint group,
gint level);
void eek_keyboard_get_keysym_index (EekKeyboard *keyboard,
gint *group,
gint *level);
EekSection *eek_keyboard_create_section (EekKeyboard *keyboard);
EekSection *eek_keyboard_create_section (EekKeyboard *keyboard);
void eek_keyboard_set_layout (EekKeyboard *keyboard,
EekLayout *layout);
void eek_keyboard_realize (EekKeyboard *keyboard);
EekKey *eek_keyboard_find_key_by_keycode (EekKeyboard *keyboard,
guint keycode);
EekKey *eek_keyboard_find_key_by_position (EekKeyboard *keyboard,
gdouble x,
gdouble y);
EekKey *eek_keyboard_find_key_by_keycode (EekKeyboard *keyboard,
guint keycode);
G_END_DECLS
#endif /* EEK_KEYBOARD_H */

10
eek/eek-layout.c
View File

@ -108,15 +108,15 @@ eek_layout_get_type (void)
* @layout: an #EekLayout
* @keyboard: an #EekKeyboard
*
* Apply @layout to @keyboard. This function is rarely called by user
* programs but called by the subclasses of #EekKeyboard.
* Relayout @keyboard with the @layout.
*/
void
eek_layout_apply (EekLayout *layout,
EekKeyboard *keyboard)
eek_layout_apply (EekLayout *layout, EekKeyboard *keyboard)
{
g_return_if_fail (EEK_IS_LAYOUT(layout));
EEK_LAYOUT_GET_IFACE(layout)->apply (layout, keyboard);
g_return_if_fail (EEK_IS_KEYBOARD(keyboard));
return EEK_LAYOUT_GET_IFACE(layout)->apply (layout, keyboard);
}
/**

23
eek/eek-section.c
View File

@ -438,26 +438,3 @@ eek_section_find_key_by_keycode (EekSection *section,
return EEK_SECTION_GET_CLASS(section)->find_key_by_keycode (section,
keycode);
}
EekKey *
eek_section_find_key_by_position (EekSection *section,
gdouble x,
gdouble y)
{
gint angle;
EekBounds bounds;
EekPoint point;
EekElement *key;
eek_element_get_bounds (EEK_ELEMENT(section), &bounds);
point.x = x - bounds.x;
point.y = y - bounds.y;
angle = eek_section_get_angle (section);
eek_point_rotate (&point, -angle);
key = eek_container_find_by_position (EEK_CONTAINER(section),
point.x + bounds.x,
point.y + bounds.y);
if (!key)
return NULL;
return EEK_KEY(key);
}

3
eek/eek-section.h
View File

@ -107,9 +107,6 @@ EekKey *eek_section_create_key (EekSection *section,
EekKey *eek_section_find_key_by_keycode (EekSection *section,
guint keycode);
EekKey *eek_section_find_key_by_position (EekSection *section,
gdouble x,
gdouble y);
G_END_DECLS
#endif /* EEK_SECTION_H */

1
eek/eek-xkb-layout.c
View File

@ -325,6 +325,7 @@ eek_xkb_layout_real_apply (EekLayout *layout, EekKeyboard *keyboard)
g_direct_equal,
NULL,
outline_free);
create_keyboard (EEK_XKB_LAYOUT(layout), keyboard);
}