DrawMiniGraphicExt(drawto,gc,
DX+ED_BUTTON_ELEM_XPOS+3+shift +
(elem_pos % MAX_ELEM_X)*ED_BUTTON_ELEM_XSIZE,
- DY+ED_BUTTON_ELEM_YPOS+3-shift +
+ DY+ED_BUTTON_ELEM_YPOS+3+shift +
(elem_pos / MAX_ELEM_X)*ED_BUTTON_ELEM_YSIZE,
graphic);
}
static struct GadgetInfo *gadget_list_first_entry = NULL;
static struct GadgetInfo *gadget_list_last_entry = NULL;
+static int next_free_gadget_id = 1;
+static boolean gadget_id_wrapped = FALSE;
+
+static struct GadgetInfo *getGadgetInfoFromGadgetID(int id)
+{
+ struct GadgetInfo *gi = gadget_list_first_entry;
+
+ while (gi && gi->id != id)
+ gi = gi->next;
+
+ return gi;
+}
+
+static int getNewGadgetID()
+{
+ int id = next_free_gadget_id++;
+
+ if (next_free_gadget_id <= 0) /* counter overrun */
+ {
+ gadget_id_wrapped = TRUE; /* now we must check each ID */
+ next_free_gadget_id = 0;
+ }
+
+ if (gadget_id_wrapped)
+ {
+ next_free_gadget_id++;
+ while (getGadgetInfoFromGadgetID(next_free_gadget_id) != NULL)
+ next_free_gadget_id++;
+ }
+
+ if (next_free_gadget_id <= 0) /* cannot get new gadget id */
+ Error(ERR_EXIT, "too much gadgets -- this should not happen");
+
+ return id;
+}
static struct GadgetInfo *getGadgetInfoFromMousePosition(int mx, int my)
{
while (gi)
{
- if (mx >= gi->x && mx < gi->x + gi->width &&
+ if (gi->mapped &&
+ mx >= gi->x && mx < gi->x + gi->width &&
my >= gi->y && my < gi->y + gi->height)
break;
/* always start with reliable default values */
memset(new_gadget, 0, sizeof(struct GadgetInfo));
+ new_gadget->id = getNewGadgetID();
+
while (tag != GDI_END)
{
+
+
+
+#if 0
printf("tag: %d\n", tag);
+#endif
+
switch(tag)
{
+ case GDI_ID:
+ new_gadget->id = va_arg(ap, int);
+ break;
case GDI_X:
new_gadget->x = va_arg(ap, int);
break;
new_gadget->alt_design[GD_BUTTON_PRESSED].x = va_arg(ap, int);
new_gadget->alt_design[GD_BUTTON_PRESSED].y = va_arg(ap, int);
break;
+ case GDI_EVENT_MASK:
+ new_gadget->event_mask = va_arg(ap, unsigned long);
+ break;
case GDI_CALLBACK:
new_gadget->callback = va_arg(ap, gadget_callback_function);
break;
&gi->alt_design[state] :
&gi->design[state]);
- XCopyArea(display, gd->pixmap, drawto, gc,
+ XCopyArea(display, gd->pixmap, (direct ? window : drawto), gc,
gd->x, gd->y, gi->width, gi->height, gi->x, gi->y);
-
- if (direct)
- XCopyArea(display, gd->pixmap, window, gc,
- gd->x, gd->y, gi->width, gi->height, gi->x, gi->y);
}
void MapGadget(struct GadgetInfo *gi)
{
gi->mapped = TRUE;
- DrawGadget(gi, (gi->state == GD_BUTTON_PRESSED), TRUE);
+ DrawGadget(gi, (gi->state == GD_BUTTON_PRESSED), FALSE);
+
+ redraw_mask |= REDRAW_ALL;
}
void UnmapGadget(struct GadgetInfo *gi)
void HandleGadgets(int mx, int my, int button)
{
- static struct GadgetInfo *choice = NULL;
+ static struct GadgetInfo *gi = NULL;
static boolean pressed = FALSE;
- struct GadgetInfo *new_choice;
+ struct GadgetInfo *new_gi;
if (gadget_list_first_entry == NULL)
return;
- new_choice = getGadgetInfoFromMousePosition(mx,my);
+ new_gi = getGadgetInfoFromMousePosition(mx,my);
if (button)
{
if (!motion_status) /* mouse button just pressed */
{
- if (new_choice != NULL)
+ if (new_gi != NULL)
{
- choice = new_choice;
- choice->state = GD_BUTTON_PRESSED;
- choice->event = GD_EVENT_PRESSED;
- DrawGadget(choice, TRUE, TRUE);
- choice->callback(choice);
+ gi = new_gi;
+ gi->state = GD_BUTTON_PRESSED;
+ gi->event.type = GD_EVENT_PRESSED;
+ gi->event.button = button;
+ DrawGadget(gi, TRUE, TRUE);
+
+ if (gi->event_mask & GD_EVENT_PRESSED)
+ gi->callback(gi);
+
pressed = TRUE;
}
}
else /* mouse movement with pressed mouse button */
{
- if ((new_choice == NULL || new_choice != choice) &&
- choice != NULL && pressed)
+ if ((new_gi == NULL || new_gi != gi) &&
+ gi != NULL && pressed)
{
- choice->state = GD_BUTTON_UNPRESSED;
- DrawGadget(choice, FALSE, TRUE);
+ gi->state = GD_BUTTON_UNPRESSED;
+ DrawGadget(gi, FALSE, TRUE);
pressed = FALSE;
}
- else if (new_choice != NULL && new_choice == choice)
+ else if (new_gi != NULL && new_gi == gi)
{
if (!pressed)
- DrawGadget(choice, TRUE, TRUE);
- choice->state = GD_BUTTON_PRESSED;
+ DrawGadget(gi, TRUE, TRUE);
+ gi->state = GD_BUTTON_PRESSED;
+ gi->event.type = GD_EVENT_MOVING;
+ gi->event.button = button;
- /*
- choice->callback(choice);
- */
+ if (gi->event_mask & GD_EVENT_MOVING)
+ gi->callback(gi);
pressed = TRUE;
}
}
else /* mouse button just released */
{
- if (new_choice != NULL && new_choice == choice && pressed)
+ if (new_gi != NULL && new_gi == gi && pressed)
{
- choice->state = GD_BUTTON_UNPRESSED;
- choice->event = GD_EVENT_RELEASED;
- DrawGadget(choice, FALSE, TRUE);
- choice->callback(choice);
- choice = NULL;
+ gi->state = GD_BUTTON_UNPRESSED;
+ gi->event.type = GD_EVENT_RELEASED;
+ gi->event.button = button;
+ DrawGadget(gi, FALSE, TRUE);
+
+ if (gi->event_mask & GD_EVENT_RELEASED)
+ gi->callback(gi);
+
+ gi = NULL;
pressed = FALSE;
}
else
{
- choice = NULL;
+ gi = NULL;
pressed = FALSE;
}
}