Add:gui_internal:Added key support

git-svn-id: http://svn.code.sf.net/p/navit/code/trunk/navit@1131 ffa7fe5e-494d-0410-b361-a75ebd5db220

4 files changed, 118 insertions, 7 deletions

diff --git a/navit/graphics.c b/navit/graphics.c
index 5044b4ad2..38de40579 100644
--- a/navit/graphics.c
+++ b/navit/graphics.c
@@ -179,6 +179,16 @@ void graphics_register_motion_callback(struct graphics *this_, void (*callback)(
 //# Comment: 
 //# Authors: Martin Schaller (04/2008)
 //##############################################################################################################
+void graphics_register_keypress_callback(struct graphics *this_, void (*callback)(void *data, int key), void *data)
+{
+	this_->meth.register_keypress_callback(this_->priv, callback, data);
+}
+
+//##############################################################################################################
+//# Description: 
+//# Comment: 
+//# Authors: Martin Schaller (04/2008)
+//##############################################################################################################
 struct graphics_font * graphics_font_new(struct graphics *gra, int size, int flags)
 {
 	struct graphics_font *this_;
diff --git a/navit/graphics.h b/navit/graphics.h
index 191fc702e..378b1c8cf 100644
--- a/navit/graphics.h
+++ b/navit/graphics.h
@@ -68,7 +68,7 @@ struct graphics_methods {
 	void (*image_free)(struct graphics_priv *gr, struct graphics_image_priv *priv);
 	void (*get_text_bbox)(struct graphics_priv *gr, struct graphics_font_priv *font, char *text, int dx, int dy, struct point *ret);
 	void (*overlay_disable)(struct graphics_priv *gr, int disable);
-	void (*register_key_callback)(struct graphics_priv *gr, void (*callback)(void *data, struct point *p), void *data);
+	void (*register_keypress_callback)(struct graphics_priv *gr, void (*callback)(void *data, int key), void *data);
 };
 
 
@@ -131,6 +131,7 @@ void *graphics_get_data(struct graphics *this_, char *type);
 void graphics_register_resize_callback(struct graphics *this_, void (*callback)(void *data, int w, int h), void *data);
 void graphics_register_button_callback(struct graphics *this_, void (*callback)(void *data, int pressed, int button, struct point *p), void *data);
 void graphics_register_motion_callback(struct graphics *this_, void (*callback)(void *data, struct point *p), void *data);
+void graphics_register_keypress_callback(struct graphics *this_, void (*callback)(void *data, int key), void *data);
 struct graphics_font *graphics_font_new(struct graphics *gra, int size, int flags);
 struct graphics_gc *graphics_gc_new(struct graphics *gra);
 void graphics_gc_destroy(struct graphics_gc *gc);
diff --git a/navit/graphics/gtk_drawing_area/graphics_gtk_drawing_area.c b/navit/graphics/gtk_drawing_area/graphics_gtk_drawing_area.c
index 74962f2b5..51b5a7fe6 100644
--- a/navit/graphics/gtk_drawing_area/graphics_gtk_drawing_area.c
+++ b/navit/graphics/gtk_drawing_area/graphics_gtk_drawing_area.c
@@ -20,6 +20,10 @@
 #define GDK_ENABLE_BROKEN
 #include "config.h"
 #include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>
+#if !defined(GDK_Book) || !defined(GDK_Calendar)
+#include <X11/XF86keysym.h>
+#endif
 #include <fontconfig/fontconfig.h>
 #include <ft2build.h>
 #include FT_FREETYPE_H
@@ -37,8 +41,17 @@
 #include "color.h"
 #include "item.h"
 #include "window.h"
+#include "keys.h"
 #include "plugin.h"
 
+#ifndef GDK_Book
+#define GDK_Book XF86XK_Book
+#endif
+#ifndef GDK_Calendar
+#define GDK_Calendar XF86XK_Calendar
+#endif
+
+
 struct graphics_priv {
 	GdkEventButton button_event;
 	int button_timeout;
@@ -69,8 +82,8 @@ struct graphics_priv {
 	void *motion_callback_data;
 	void (*button_callback)(void *data, int press, int button, struct point *p);
 	void *button_callback_data;
-	void (*key_callback)(void *data, int key);
-	void *key_callback_data;
+	void (*keypress_callback)(void *data, int key);
+	void *keypress_callback_data;
 };
 
 
@@ -836,6 +849,8 @@ button_release(GtkWidget * widget, GdkEventButton * event, gpointer user_data)
 	return FALSE;
 }
 
+
+
 static gint
 scroll(GtkWidget * widget, GdkEventScroll * event, gpointer user_data)
 {
@@ -878,6 +893,41 @@ motion_notify(GtkWidget * widget, GdkEventMotion * event, gpointer user_data)
 	return FALSE;
 }
 
+static gint
+keypress(GtkWidget *widget, GdkEventKey *event, gpointer user_data)
+{
+	struct graphics_priv *this=user_data;
+	if (! this->keypress_callback)
+		return FALSE;
+	if (event->keyval >= 32 && event->keyval < 127) {
+		(*this->keypress_callback)(this->motion_callback_data, event->keyval);
+		return FALSE;
+	}
+	switch (event->keyval) {
+	case GDK_Up:
+		(*this->keypress_callback)(this->motion_callback_data, NAVIT_KEY_UP);
+		break;
+	case GDK_Down:
+		(*this->keypress_callback)(this->motion_callback_data, NAVIT_KEY_DOWN);
+		break;
+	case GDK_Left:
+		(*this->keypress_callback)(this->motion_callback_data, NAVIT_KEY_LEFT);
+		break;
+	case GDK_Right:
+		(*this->keypress_callback)(this->motion_callback_data, NAVIT_KEY_RIGHT);
+		break;
+	case GDK_Book:
+		(*this->keypress_callback)(this->motion_callback_data, NAVIT_KEY_ZOOM_IN);
+		break;
+	case GDK_Calendar:
+		(*this->keypress_callback)(this->motion_callback_data, NAVIT_KEY_ZOOM_OUT);
+		break;
+	default:
+		break;
+	}
+	return FALSE;
+}
+
 static struct graphics_priv *graphics_gtk_drawing_area_new_helper(struct graphics_methods *meth);
 
 static void
@@ -961,10 +1011,15 @@ register_button_callback(struct graphics_priv *this, void (*callback)(void *data
 }
 
 static void
-register_key_callback(struct graphics_priv *this, void (*callback)(void *data, int press, int button, struct point *p), void *data)
+register_keypress_callback(struct graphics_priv *this, void (*callback)(void *data, int key), void *data)
 {
-	this->key_callback=callback;
-	this->key_callback_data=data;
+	dbg(0,"enter\n");
+	GTK_WIDGET_SET_FLAGS (this->widget, GTK_CAN_FOCUS);
+        gtk_widget_set_sensitive(this->widget, TRUE);
+	gtk_widget_grab_focus(this->widget);
+	g_signal_connect(G_OBJECT(this->widget), "key-press-event", G_CALLBACK(keypress), this);
+	this->keypress_callback=callback;
+	this->keypress_callback_data=data;
 }
 
 static struct graphics_methods graphics_methods = {
@@ -994,7 +1049,7 @@ static struct graphics_methods graphics_methods = {
 	image_free,
 	get_text_bbox,
 	overlay_disable,
-	register_key_callback,
+	register_keypress_callback,
 };
 
 static struct graphics_priv *
diff --git a/navit/gui/internal/gui_internal.c b/navit/gui/internal/gui_internal.c
index ccd35bc19..65d9a5c1f 100644
--- a/navit/gui/internal/gui_internal.c
+++ b/navit/gui/internal/gui_internal.c
@@ -50,6 +50,7 @@
 #include "vehicle.h"
 #include "window.h"
 #include "main.h"
+#include "keys.h"
 #include "config.h"
 
 #define STATE_VISIBLE 1
@@ -1391,6 +1392,49 @@ static void gui_internal_resize(void *data, int w, int h)
 	gui_internal_menu_root(this);
 } 
 
+//##############################################################################################################
+//# Description: 
+//# Comment: 
+//# Authors: Martin Schaller (04/2008)
+//##############################################################################################################
+static void gui_internal_keypress(void *data, int key)
+{
+	struct gui_priv *this=data;
+	int w,h;
+	struct point p;
+	transform_get_size(navit_get_trans(this->nav), &w, &h);
+	switch (key) {
+	case NAVIT_KEY_UP:
+		p.x=w/2;
+                p.y=0;
+                navit_set_center_screen(this->nav, &p);
+                break;
+	case NAVIT_KEY_DOWN:
+                p.x=w/2;
+                p.y=h;
+                navit_set_center_screen(this->nav, &p);
+                break;
+        case NAVIT_KEY_LEFT:
+                p.x=0;
+                p.y=h/2;
+                navit_set_center_screen(this->nav, &p);
+                break;
+        case NAVIT_KEY_RIGHT:
+                p.x=w;
+                p.y=h/2;
+                navit_set_center_screen(this->nav, &p);
+                break;
+        case NAVIT_KEY_ZOOM_IN:
+                navit_zoom_in(this->nav, 2, NULL);
+                break;
+        case NAVIT_KEY_ZOOM_OUT:
+                navit_zoom_out(this->nav, 2, NULL);
+                break;
+	default:
+		dbg(0,"key=%d\n", key);
+	}
+} 
+
 
 //##############################################################################################################
 //# Description: 
@@ -1418,6 +1462,7 @@ static int gui_internal_set_graphics(struct gui_priv *this, struct graphics *gra
 	graphics_register_resize_callback(gra, gui_internal_resize, this);
 	graphics_register_button_callback(gra, gui_internal_button, this);
 	graphics_register_motion_callback(gra, gui_internal_motion, this);
+	graphics_register_keypress_callback(gra, gui_internal_keypress, this);
 	this->background=graphics_gc_new(gra);
 	graphics_gc_set_foreground(this->background, &cb);
 	this->background2=graphics_gc_new(gra);