struct GadgetInfo *gi;
/* first check for scrollbars in case of mouse scroll wheel button events */
- if (button == 4 || button == 5)
+ if (IS_WHEEL_BUTTON(button))
{
-#if 0
- printf("WHOA! SCROLL WHEEL DETECTED [%d]\n", button);
-#endif
+ /* real horizontal wheel or vertical wheel with modifier key pressed */
+ boolean check_horizontal = (IS_WHEEL_BUTTON_HORIZONTAL(button) ||
+ GetKeyModState() & KMOD_Shift);
+ /* check for the first active scrollbar with matching mouse wheel area */
for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
{
if (gi->mapped && gi->active &&
- gi->type & GD_TYPE_SCROLLBAR)
+ ((gi->type & GD_TYPE_SCROLLBAR_HORIZONTAL && check_horizontal) ||
+ (gi->type & GD_TYPE_SCROLLBAR_VERTICAL && !check_horizontal)) &&
+ mx >= gi->wheelarea.x && mx < gi->wheelarea.x + gi->wheelarea.width &&
+ my >= gi->wheelarea.y && my < gi->wheelarea.y + gi->wheelarea.height)
return gi;
}
- /* no active scrollbar found -- ignore this button event */
+ /* no active scrollbar found -- ignore this scroll wheel button event */
return NULL;
}
gi->scrollbar.item_position = va_arg(ap, int);
break;
+ case GDI_WHEEL_AREA_X:
+ gi->wheelarea.x = va_arg(ap, int);
+ break;
+
+ case GDI_WHEEL_AREA_Y:
+ gi->wheelarea.y = va_arg(ap, int);
+ break;
+
+ case GDI_WHEEL_AREA_WIDTH:
+ gi->wheelarea.width = va_arg(ap, int);
+ break;
+
+ case GDI_WHEEL_AREA_HEIGHT:
+ gi->wheelarea.height = va_arg(ap, int);
+ break;
+
case GDI_CALLBACK_INFO:
gi->callback_info = va_arg(ap, gadget_function);
break;
{
int mpos = (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL ? mx : my);
int gpos = (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL ? gi->x : gi->y);
+ int slider_start = gpos + gi->scrollbar.position;
+ int slider_end = gpos + gi->scrollbar.position + gi->scrollbar.size - 1;
+ boolean inside_slider = (mpos >= slider_start && mpos <= slider_end);
- if (button > 3 ||
- mpos < gpos + gi->scrollbar.position ||
- mpos >= gpos + gi->scrollbar.position + gi->scrollbar.size)
+ if (IS_WHEEL_BUTTON(button) || !inside_slider)
{
/* click scrollbar one scrollbar length up/left or down/right */
int item_steps = gs->items_visible - 1;
int item_direction = (mpos < gpos + gi->scrollbar.position ? -1 : +1);
- if (button > 3)
+ if (IS_WHEEL_BUTTON(button))
{
- item_steps = 3;
- item_direction = (button == 4 ? -1 : +1);
+ boolean scroll_single_step = (GetKeyModState() & KMOD_Alt);
+
+ item_steps = (scroll_single_step ? 1 : DEFAULT_WHEEL_STEPS);
+ item_direction = (button == MB_WHEEL_UP ||
+ button == MB_WHEEL_LEFT ? -1 : +1);
}
changed_position = FALSE;
{
int mpos = (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL ? mx : my);
int gpos = (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL ? gi->x : gi->y);
+ int slider_start = gpos + gi->scrollbar.position;
+ int slider_end = gpos + gi->scrollbar.position + gi->scrollbar.size - 1;
+ boolean inside_slider = (mpos >= slider_start && mpos <= slider_end);
- if (button >= 1 && button <= 3 &&
- mpos >= gpos + gi->scrollbar.position &&
- mpos < gpos + gi->scrollbar.position + gi->scrollbar.size)
+ if (!IS_WHEEL_BUTTON(button) && inside_slider)
{
/* start dragging scrollbar */
gi->scrollbar.drag_position =