UINT32 ui_gfx_ui_handler(running_machine &machine, render_container *container, UINT32 uistate)
{
ui_gfx_state *state = &ui_gfx;
/* if we have nothing, implicitly cancel */
if (machine.total_colors() == 0 && machine.colortable == NULL && machine.gfx[0] == NULL && machine.tilemap().count() == 0)
goto cancel;
/* if we're not paused, mark the bitmap dirty */
if (!machine.paused())
state->bitmap_dirty = TRUE;
/* switch off the state to display something */
again:
switch (state->mode)
{
case 0:
/* if we have a palette, display it */
if (machine.total_colors() > 0)
{
palette_handler(machine, container, state);
break;
}
/* fall through...*/
state->mode++;
case 1:
/* if we have graphics sets, display them */
if (machine.gfx[0] != NULL)
{
gfxset_handler(machine, container, state);
break;
}
/* fall through...*/
state->mode++;
case 2:
/* if we have tilemaps, display them */
if (machine.tilemap().count() > 0)
{
tilemap_handler(machine, container, state);
break;
}
state->mode = 0;
goto again;
}
/* handle keys */
if (ui_input_pressed(machine, IPT_UI_SELECT))
{
state->mode = (state->mode + 1) % 3;
state->bitmap_dirty = TRUE;
}
if (ui_input_pressed(machine, IPT_UI_PAUSE))
{
if (machine.paused())
machine.resume();
else
machine.pause();
}
if (ui_input_pressed(machine, IPT_UI_CANCEL) || ui_input_pressed(machine, IPT_UI_SHOW_GFX))
goto cancel;
return uistate;
cancel:
if (!uistate)
machine.resume();
state->bitmap_dirty = TRUE;
return UI_HANDLER_CANCEL;
}
uint32_t ui_gfx_ui_handler(render_container &container, mame_ui_manager &mui, bool uistate)
{
ui_gfx_state &state = ui_gfx;
// if we have nothing, implicitly cancel
if (!ui_gfx_is_relevant(mui.machine()))
goto cancel;
// if we're not paused, mark the bitmap dirty
if (!mui.machine().paused())
state.bitmap_dirty = true;
// switch off the state to display something
again:
switch (state.mode)
{
case UI_GFX_PALETTE:
// if we have a palette, display it
if (state.palette.devcount > 0)
{
palette_handler(mui, container, state);
break;
}
// fall through...
state.mode++;
case UI_GFX_GFXSET:
// if we have graphics sets, display them
if (state.gfxset.devcount > 0)
{
gfxset_handler(mui, container, state);
break;
}
// fall through...
state.mode++;
case UI_GFX_TILEMAP:
// if we have tilemaps, display them
if (mui.machine().tilemap().count() > 0)
{
tilemap_handler(mui, container, state);
break;
}
state.mode = UI_GFX_PALETTE;
goto again;
}
// handle keys
if (mui.machine().ui_input().pressed(IPT_UI_SELECT))
{
state.mode = (state.mode + 1) % 3;
state.bitmap_dirty = true;
}
if (mui.machine().ui_input().pressed(IPT_UI_PAUSE))
{
if (mui.machine().paused())
mui.machine().resume();
else
mui.machine().pause();
}
if (mui.machine().ui_input().pressed(IPT_UI_CANCEL) || mui.machine().ui_input().pressed(IPT_UI_SHOW_GFX))
goto cancel;
return uistate;
cancel:
if (!uistate)
mui.machine().resume();
state.bitmap_dirty = true;
return UI_HANDLER_CANCEL;
}