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MultiSelect: (Breaking) io contains a ImVector<ImGuiSelectionRequest> list.

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ocornut 2023-09-22 14:23:40 +02:00
parent a6adfb2b49
commit 6feff6ff05
4 changed files with 91 additions and 55 deletions
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33
imgui_demo.cpp
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@ -2838,26 +2838,29 @@ struct ExampleSelection
// WHEN YOUR APPLICATION SETTLES ON A CHOICE, YOU WILL PROBABLY PREFER TO GET RID OF THIS UNNECESSARY 'ExampleSelectionAdapter' INDIRECTION LOGIC.
// Notice that with the simplest adapter (using indices everywhere), all functions return their parameters.
// The most simple implementation (using indices everywhere) would look like:
// if (ms_io->RequestClear) { Clear(); }
// if (ms_io->RequestSelectAll) { Clear(); for (int n = 0; n < items_count; n++) { AddItem(n); } }
// if (ms_io->RequestSetRange) { for (int n = (int)ms_io->RangeFirstItem; n <= (int)ms_io->RangeLastItem; n++) { UpdateItem(n, ms_io->RangeSelected); } }
// for (ImGuiSelectionRequest& req : ms_io->Requests)
// {
// if (req.Type == ImGuiSelectionRequestType_Clear) { Clear(); }
// if (req.Type == ImGuiSelectionRequestType_SelectAll) { Clear(); for (int n = 0; n < items_count; n++) { AddItem(n); } }
// if (req.Type == ImGuiSelectionRequestType_SetRange) { for (int n = (int)ms_io->RangeFirstItem; n <= (int)ms_io->RangeLastItem; n++) { UpdateItem(n, ms_io->RangeSelected); } }
// }
void ApplyRequests(ImGuiMultiSelectIO* ms_io, ExampleSelectionAdapter* adapter, int items_count)
{
IM_ASSERT(adapter->IndexToStorage != NULL);
if (ms_io->RequestClear || ms_io->RequestSelectAll)
Clear();
if (ms_io->RequestSelectAll)
for (ImGuiSelectionRequest& req : ms_io->Requests)
{
Storage.Data.reserve(items_count);
for (int idx = 0; idx < items_count; idx++)
AddItem(adapter->IndexToStorage(adapter, idx));
if (req.Type == ImGuiSelectionRequestType_Clear || req.Type == ImGuiSelectionRequestType_SelectAll)
Clear();
if (req.Type == ImGuiSelectionRequestType_SelectAll)
{
Storage.Data.reserve(items_count);
for (int idx = 0; idx < items_count; idx++)
AddItem(adapter->IndexToStorage(adapter, idx));
}
if (req.Type == ImGuiSelectionRequestType_SetRange)
for (int idx = (int)req.RangeFirstItem; idx <= (int)req.RangeLastItem; idx++)
UpdateItem(adapter->IndexToStorage(adapter, idx), req.RangeSelected);
}
if (ms_io->RequestSetRange)
for (int idx = (int)ms_io->RangeFirstItem; idx <= (int)ms_io->RangeLastItem; idx++)
UpdateItem(adapter->IndexToStorage(adapter, idx), ms_io->RangeSelected);
}
// Find which item should be Focused after deletion.