/* This is called when the window needs to be repainted for some
reason. A return code of JNI_TRUE means that things worked out;
otherwise something went wrong. */
int handOffWindowExposed(JNIEnv *env, jobject widget)
{
jobject paintEvent;
paintEvent = newPaintEvent(env, widget,
"PAINT", 0, 0, 0, 0);
return handOff(env, widget, paintEvent);
}
/* This is called when the window was opened for the very first time.
We create a window event for it and then call the widget's
handleEvent method with a WindowEvent. A return code of JNI_TRUE
means things worked out; otherwise something went wrong. */
int handOffWindowActivated(JNIEnv *env, jobject widget)
{
jobject windowActivatedEvent;
windowActivatedEvent = newWindowEvent(env, widget, "WINDOW_ACTIVATED");
if (windowActivatedEvent == NULL)
return JNI_FALSE;
return handOff(env, widget, windowActivatedEvent);
}
/* This is called when we want to pass on a mouse down event. We
return JNI_FALSE if something went wrong and JNI_TRUE if everything
worked out ok. */
int handOffMouseDown(JNIEnv *env, jobject widget, int x, int y)
{
jobject mouseEvent; /* The event for this mouse down. */
mouseEvent = newMouseEvent(env, widget, "MOUSE_PRESSED", 0, 0, x, y, 0,
JNI_FALSE);
if (mouseEvent == NULL) {
return JNI_FALSE;
}
return handOff(env, widget, mouseEvent);
}
/* This handles resizing the window. We set the widget's height and
width to the supplied values with setSize(), and then call
handOffEvent. We return JNI_FALSE if things went badly and JNI_TRUE
if all is well.*/
int handOffWindowResized(JNIEnv *env, jobject widget,
int width, int height)
{
jclass widgetClass; /* The class of our widget jobject. */
jmethodID setSizeMethodID; /* The setSize(int width, int height) method. */
jobject componentEvent;
widgetClass = (*env)->GetObjectClass(env, widget);
if (widgetClass == NULL)
return JNI_FALSE;
setSizeMethodID = (*env)->GetMethodID(env, widgetClass, "setSize",
"(II)V");
if (setSizeMethodID == 0)
return JNI_FALSE;
(*env)->CallObjectMethod(env, widget, setSizeMethodID, width, height);
componentEvent = newComponentEvent(env, widget, "COMPONENT_RESIZED");
return handOff(env, widget, componentEvent);
}
/* This is used by other methods that accept key events. We set the
event's keycode to the supplied value and then invoke the widget's
handleEvent. */
static int handOffKeyEvent(JNIEnv *env, jobject
widget, int keyCode, const char *keyEventType)
{
jobject keyEvent;
long modifiers; jclass eventClass;
eventClass =
getClass(env, "java/awt/event/InputEvent",
"Unable to get java.awt.event.InputEvent class");
modifiers = GetModifiers(env, eventClass, 0);
keyEvent = newKeyEvent(env, widget,
keyEventType,
/* when */ 0,
modifiers,
keyCode);
if (keyEvent == NULL) {
return JNI_FALSE;
}
return handOff(env, widget, keyEvent);
}
void cexit() {
printf(ANSI_COLOR_BLUE"Saliendo!" ANSI_COLOR_RESET "\n");
clfree();
handOff(0);
exit(0);
}