static cell_t GetMenuPagination(IPluginContext *pContext, const cell_t *params)
{
Handle_t hndl = (Handle_t)params[1];
HandleError err;
IBaseMenu *menu;
if ((err=g_Menus.ReadMenuHandle(params[1], &menu)) != HandleError_None)
{
return pContext->ThrowNativeError("Menu handle %x is invalid (error %d)", hndl, err);
}
return menu->GetPagination();
}
IMenuPanel *MenuManager::RenderMenu(int client, menu_states_t &md, ItemOrder order)
{
IBaseMenu *menu = md.menu;
if (!menu)
{
return NULL;
}
struct
{
unsigned int position;
ItemDrawInfo draw;
} drawItems[10];
/* Figure out how many items to draw */
IMenuStyle *style = menu->GetDrawStyle();
unsigned int pgn = menu->GetPagination();
unsigned int maxItems = style->GetMaxPageItems();
bool exitButton = (menu->GetMenuOptionFlags() & MENUFLAG_BUTTON_EXIT) == MENUFLAG_BUTTON_EXIT;
bool novoteButton = (menu->GetMenuOptionFlags() & MENUFLAG_BUTTON_NOVOTE) == MENUFLAG_BUTTON_NOVOTE;
if (pgn != MENU_NO_PAGINATION)
{
maxItems = pgn;
}
else if (exitButton)
{
maxItems--;
}
if (novoteButton)
{
maxItems--;
}
/* This is very not allowed! */
if (maxItems < 2)
{
return NULL;
}
unsigned int totalItems = menu->GetItemCount();
unsigned int startItem = 0;
/* For pagination, find the starting point. */
if (pgn != MENU_NO_PAGINATION)
{
if (order == ItemOrder_Ascending)
{
startItem = md.lastItem;
/* This shouldn't happen with well-coded menus.
* If the item is out of bounds, switch the order to
* Items_Descending and make us start from the top.
*/
if (startItem >= totalItems)
{
startItem = totalItems - 1;
order = ItemOrder_Descending;
}
}
else if (order == ItemOrder_Descending)
{
startItem = md.firstItem;
/* This shouldn't happen with well-coded menus.
* If searching backwards doesn't give us enough room,
* start from the beginning and change to ascending.
*/
if (startItem <= maxItems)
{
startItem = 0;
order = ItemOrder_Ascending;
}
}
}
/* Get our Display pointer and initialize some crap */
IMenuPanel *panel = menu->CreatePanel();
IMenuHandler *mh = md.mh;
bool foundExtra = false;
unsigned int extraItem = 0;
if (panel == NULL)
{
return NULL;
}
/**
* We keep searching until:
* 1) There are no more items
* 2) We reach one OVER the maximum number of slot items
* 3) We have reached maxItems and pagination is MENU_NO_PAGINATION
*/
unsigned int i = startItem;
unsigned int foundItems = 0;
while (totalItems)
{
ItemDrawInfo &dr = drawItems[foundItems].draw;
/* Is the item valid? */
if (menu->GetItemInfo(i, &dr) != NULL)
{
/* Ask the user to change the style, if necessary */
mh->OnMenuDrawItem(menu, client, i, dr.style);
/* Check if it's renderable */
if (IsSlotItem(panel, dr.style))
{
/* If we've already found the max number of items,
* This means we should just cancel out and log our
* "last item."
*/
if (foundItems >= maxItems)
{
foundExtra = true;
extraItem = i;
break;
}
drawItems[foundItems++].position = i;
}
}
/* If there's no pagination, stop once the menu is full. */
if (pgn == MENU_NO_PAGINATION)
{
/* If we've filled up, then stop */
if (foundItems >= maxItems)
{
break;
}
}
/* If we're descending and this is the first item, stop */
if (order == ItemOrder_Descending)
{
if (i == 0)
{
break;
}
i--;
}
/* If we're ascending and this is the last item, stop */
else if (order == ItemOrder_Ascending)
{
if (i >= totalItems - 1)
{
break;
}
i++;
}
}
/* There were no items to draw! */
if (!foundItems)
{
panel->DeleteThis();
return NULL;
}
bool displayPrev = false;
bool displayNext = false;
/* This is an annoying process.
* Skip it for non-paginated menus, which get special treatment.
*/
if (pgn != MENU_NO_PAGINATION)
{
if (foundExtra)
{
if (order == ItemOrder_Descending)
{
displayPrev = true;
md.firstItem = extraItem;
}
else if (order == ItemOrder_Ascending)
{
displayNext = true;
md.lastItem = extraItem;
}
}
unsigned int lastItem = 0;
ItemDrawInfo dr;
/* Find the last feasible item to search from. */
if (order == ItemOrder_Descending)
{
lastItem = drawItems[0].position;
if (lastItem >= totalItems - 1)
{
goto skip_search;
}
while (++lastItem < totalItems)
{
if (menu->GetItemInfo(lastItem, &dr) != NULL)
{
mh->OnMenuDrawItem(menu, client, lastItem, dr.style);
if (IsSlotItem(panel, dr.style))
{
displayNext = true;
md.lastItem = lastItem;
break;
}
}
}
}
else if (order == ItemOrder_Ascending)
{
lastItem = drawItems[0].position;
if (lastItem == 0)
{
goto skip_search;
}
lastItem--;
while (lastItem != 0)
{
if (menu->GetItemInfo(lastItem, &dr) != NULL)
{
mh->OnMenuDrawItem(menu, client, lastItem, dr.style);
if (IsSlotItem(panel, dr.style))
{
displayPrev = true;
md.firstItem = lastItem;
break;
}
}
lastItem--;
}
}
}
skip_search:
/* Draw the item according to the order */
menu_slots_t *slots = md.slots;
unsigned int position = 0; /* Keep track of the last position */
if (novoteButton)
{
char text[50];
if (!logicore.CoreTranslate(text, sizeof(text), "%T", 2, NULL, "No Vote", &client))
{
UTIL_Format(text, sizeof(text), "No Vote");
}
ItemDrawInfo dr(text, 0);
position = panel->DrawItem(dr);
slots[position].type = ItemSel_Exit;
position++;
}
if (order == ItemOrder_Ascending)
{
md.item_on_page = drawItems[0].position;
for (unsigned int i = 0; i < foundItems; i++)
{
ItemDrawInfo &dr = drawItems[i].draw;
if ((position = mh->OnMenuDisplayItem(menu, client, panel, drawItems[i].position, dr)) == 0)
{
position = panel->DrawItem(dr);
}
if (position != 0)
{
slots[position].item = drawItems[i].position;
if ((dr.style & ITEMDRAW_DISABLED) == ITEMDRAW_DISABLED)
{
slots[position].type = ItemSel_None;
}
else
{
slots[position].type = ItemSel_Item;
}
}
}
}
else if (order == ItemOrder_Descending)
{
unsigned int i = foundItems;
/* NOTE: There will always be at least one item because
* of the check earlier.
*/
md.item_on_page = drawItems[foundItems - 1].position;
while (i--)
{
ItemDrawInfo &dr = drawItems[i].draw;
if ((position = mh->OnMenuDisplayItem(menu, client, panel, drawItems[i].position, dr)) == 0)
{
position = panel->DrawItem(dr);
}
if (position != 0)
{
slots[position].item = drawItems[i].position;
if ((dr.style & ITEMDRAW_DISABLED) == ITEMDRAW_DISABLED)
{
slots[position].type = ItemSel_None;
}
else
{
slots[position].type = ItemSel_Item;
}
}
}
}
/* Now, we need to check if we need to add anything extra */
if (pgn != MENU_NO_PAGINATION || exitButton)
{
bool canDrawDisabled = panel->CanDrawItem(ITEMDRAW_DISABLED|ITEMDRAW_CONTROL);
bool exitBackButton = false;
char text[50];
if (pgn != MENU_NO_PAGINATION
&& (menu->GetMenuOptionFlags() & MENUFLAG_BUTTON_EXITBACK) == MENUFLAG_BUTTON_EXITBACK)
{
exitBackButton = true;
}
/* Calculate how many items we are allowed for control stuff */
unsigned int padding = style->GetMaxPageItems() - maxItems;
/* Add the number of available slots */
padding += (maxItems - foundItems);
/* Someday, if we are able to re-enable this, we will be very lucky men. */
#if 0
if (!style->FeatureExists(MenuStyleFeature_ImplicitExit))
{
#endif
/* Even if we don't draw an exit button, we invalidate the slot. */
padding--;
#if 0
} else {
/* Otherwise, we don't draw anything and leave the slot available */
exitButton = false;
}
#endif
if (pgn != MENU_NO_PAGINATION)
{
/* Subtract two slots for the displayNext/displayPrev padding */
padding -= 2;
}
/* If we have an "Exit Back" button and the space to draw it, do so. */
if (exitBackButton)
{
if (!displayPrev)
{
displayPrev = true;
}
else
{
exitBackButton = false;
}
}
/**
* We allow next/prev to be undrawn if neither exists.
* Thus, we only need padding if one of them will be drawn,
* or the exit button will be drawn.
*/
ItemDrawInfo padItem(NULL, ITEMDRAW_SPACER);
if (exitButton || (displayNext || displayPrev))
{
/* If there are no control options,
* Instead just pad with invisible slots.
*/
if (!displayPrev && !displayPrev)
{
padItem.style = ITEMDRAW_NOTEXT;
}
/* Add spacers so we can pad to the end */
for (unsigned int i=0; i<padding; i++)
{
position = panel->DrawItem(padItem);
slots[position].type = ItemSel_None;
}
}
/* Put a fake spacer before control stuff, if possible */
if ((displayPrev || displayNext) || exitButton)
{
ItemDrawInfo draw("", ITEMDRAW_RAWLINE|ITEMDRAW_SPACER);
panel->DrawItem(draw);
}
ItemDrawInfo dr(text, 0);
/**
* If we have one or the other, we need to have spacers for both.
*/
if (pgn != MENU_NO_PAGINATION)
{
if (displayPrev || displayNext)
{
/* PREVIOUS */
ItemDrawInfo padCtrlItem(NULL, ITEMDRAW_SPACER|ITEMDRAW_CONTROL);
if (displayPrev || canDrawDisabled)
{
if (exitBackButton)
{
if (!logicore.CoreTranslate(text, sizeof(text), "%T", 2, NULL, "Back", &client))
{
UTIL_Format(text, sizeof(text), "Back");
}
dr.style = ITEMDRAW_CONTROL;
position = panel->DrawItem(dr);
slots[position].type = ItemSel_ExitBack;
}
else
{
if (!logicore.CoreTranslate(text, sizeof(text), "%T", 2, NULL, "Previous", &client))
{
UTIL_Format(text, sizeof(text), "Previous");
}
dr.style = (displayPrev ? 0 : ITEMDRAW_DISABLED)|ITEMDRAW_CONTROL;
position = panel->DrawItem(dr);
slots[position].type = ItemSel_Back;
}
}
else if (displayNext || exitButton)
{
/* If we can't display this, and there is an exit button,
* we need to pad!
*/
position = panel->DrawItem(padCtrlItem);
slots[position].type = ItemSel_None;
}
/* NEXT */
if (displayNext || canDrawDisabled)
{
if (!logicore.CoreTranslate(text, sizeof(text), "%T", 2, NULL, "Next", &client))
{
UTIL_Format(text, sizeof(text), "Next");
}
dr.style = (displayNext ? 0 : ITEMDRAW_DISABLED)|ITEMDRAW_CONTROL;
position = panel->DrawItem(dr);
slots[position].type = ItemSel_Next;
}
else if (exitButton)
{
/* If we can't display this,
* but there is an "exit" button, we need to pad!
*/
position = panel->DrawItem(padCtrlItem);
slots[position].type = ItemSel_None;
}
}
else
{
/* Otherwise, bump to two slots! */
ItemDrawInfo numBump(NULL, ITEMDRAW_NOTEXT);
position = panel->DrawItem(numBump);
slots[position].type = ItemSel_None;
position = panel->DrawItem(numBump);
slots[position].type = ItemSel_None;
}
}
/* EXIT */
if (exitButton)
{
if (!logicore.CoreTranslate(text, sizeof(text), "%T", 2, NULL, "Exit", &client))
{
UTIL_Format(text, sizeof(text), "Exit");
}
dr.style = ITEMDRAW_CONTROL;
position = panel->DrawItem(dr);
slots[position].type = ItemSel_Exit;
}
}
/* Lastly, fill in any slots we could have missed */
for (unsigned int i = position + 1; i < 10; i++)
{
slots[i].type = ItemSel_None;
}
/* Do title stuff */
mh->OnMenuDisplay(menu, client, panel);
panel->DrawTitle(menu->GetDefaultTitle(), true);
return panel;
}