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MultiSelect: comments, header tweaks., simplication (some of it on wiki).

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ocornut
2024-06-06 14:40:57 +02:00
parent db4898cb91
commit c3d7aa252b
2 changed files with 36 additions and 40 deletions
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27
imgui_widgets.cpp
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@@ -21,6 +21,7 @@ Index of this file:
// [SECTION] Widgets: Typing-Select support
// [SECTION] Widgets: Box-Select support
// [SECTION] Widgets: Multi-Select support
// [SECTION] Widgets: Multi-Select helpers
// [SECTION] Widgets: ListBox
// [SECTION] Widgets: PlotLines, PlotHistogram
// [SECTION] Widgets: Value helpers
@@ -7285,7 +7286,6 @@ void ImGui::EndBoxSelect(const ImRect& scope_rect, bool enable_scroll)
// - MultiSelectItemHeader() [Internal]
// - MultiSelectItemFooter() [Internal]
// - DebugNodeMultiSelectState() [Internal]
// - ImGuiSelectionBasicStorage
//-------------------------------------------------------------------------
static void DebugLogMultiSelectRequests(const char* function, const ImGuiMultiSelectIO* io)
@@ -7814,6 +7814,13 @@ void ImGui::DebugNodeMultiSelectState(ImGuiMultiSelectState* storage)
#endif
}
//-------------------------------------------------------------------------
// [SECTION] Widgets: Multi-Select helpers
//-------------------------------------------------------------------------
// - ImGuiSelectionBasicStorage
// - ImGuiSelectionExternalStorage
//-------------------------------------------------------------------------
// Apply requests coming from BeginMultiSelect() and EndMultiSelect().
// - Enable 'Demo->Tools->Debug Log->Selection' to see selection requests as they happen.
// - Honoring SetRange requests requires that you can iterate/interpolate between RangeFirstItem and RangeLastItem.
@@ -7827,8 +7834,8 @@ void ImGui::DebugNodeMultiSelectState(ImGuiMultiSelectState* storage)
// The most simple implementation (using indices everywhere) would look like:
// for (ImGuiSelectionRequest& req : ms_io->Requests)
// {
// if (req.Type == ImGuiSelectionRequestType_SetAll) { Clear(); if (req.Selected) { 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->Selected); } }
// if (req.Type == ImGuiSelectionRequestType_SetAll) { Clear(); if (req.Selected) { for (int n = 0; n < items_count; n++) { SetItemSelected(n, true); } }
// if (req.Type == ImGuiSelectionRequestType_SetRange) { for (int n = (int)ms_io->RangeFirstItem; n <= (int)ms_io->RangeLastItem; n++) { SetItemSelected(n, ms_io->Selected); } }
// }
void ImGuiSelectionBasicStorage::ApplyRequests(ImGuiMultiSelectIO* ms_io)
{
@@ -7841,14 +7848,16 @@ void ImGuiSelectionBasicStorage::ApplyRequests(ImGuiMultiSelectIO* ms_io)
for (ImGuiSelectionRequest& req : ms_io->Requests)
{
if (req.Type == ImGuiSelectionRequestType_SetAll)
Clear();
if (req.Type == ImGuiSelectionRequestType_SetAll && req.Selected)
{
Storage.Data.reserve(ms_io->ItemsCount);
for (int idx = 0; idx < ms_io->ItemsCount; idx++)
SetItemSelected(GetStorageIdFromIndex(idx), true);
Clear();
if (req.Selected)
{
Storage.Data.reserve(ms_io->ItemsCount);
for (int idx = 0; idx < ms_io->ItemsCount; idx++)
SetItemSelected(GetStorageIdFromIndex(idx), true);
}
}
if (req.Type == ImGuiSelectionRequestType_SetRange)
else if (req.Type == ImGuiSelectionRequestType_SetRange)
for (int idx = (int)req.RangeFirstItem; idx <= (int)req.RangeLastItem; idx++)
SetItemSelected(GetStorageIdFromIndex(idx), req.Selected);
}