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MultiSelect: Demo: Deletion: Rework ApplyDeletionPreLoop to use adapter + fix PostLoop not using right value of RequestFocusItem.

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Recovery made it transparent visually but user side selection would be empty for a frame before recovery.
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ocornut
2023-08-23 16:48:04 +02:00
parent fa516c3d76
commit e1d2109208
2 changed files with 31 additions and 36 deletions
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3
imgui.h
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@@ -2792,7 +2792,6 @@ struct ImGuiMultiSelectIO
bool RequestClear; // ms:w, app:r / / ms:w, app:r // 1. Request app/user to clear selection.
bool RequestSelectAll; // ms:w, app:r / / ms:w, app:r // 2. Request app/user to select all.
bool RequestSetRange; // / / ms:w, app:r // 3. Request app/user to select/unselect [RangeFirstItem..RangeLastItem] items, based on RangeSelected. Only EndMultiSelect() request this, app code can read after BeginMultiSelect() and it will always be false.
ImGuiSelectionUserData RequestFocusItem; // app:w / app:r / app:r // (If using deletion) 4. Request user to focus item. This is actually only manipulated in user-space, but we provide storage to facilitate implementing a deletion idiom (see demo).
// STATE/ARGUMENTS -------------------------// BEGIN / LOOP / END
ImGuiSelectionUserData RangeSrcItem; // ms:w app:r / / // (If using clipper) Begin: Source item (generally the first selected item when multi-selecting, which is used as a reference point) must never be cliped!
ImGuiSelectionUserData RangeFirstItem; // / / ms:w, app:r // End: parameter for RequestSetRange request (this is generally == RangeSrcItem when shift selecting from top to bottom)
@@ -2803,7 +2802,7 @@ struct ImGuiMultiSelectIO
ImGuiSelectionUserData NavIdItem; // ms:w, app:r / / // (If using deletion) Last known SetNextItemSelectionUserData() value for NavId (if part of submitted items).
ImGuiMultiSelectIO() { Clear(); }
void Clear() { memset(this, 0, sizeof(*this)); RequestFocusItem = NavIdItem = RangeSrcItem = RangeFirstItem = RangeLastItem = (ImGuiSelectionUserData)-1; }
void Clear() { memset(this, 0, sizeof(*this)); NavIdItem = RangeSrcItem = RangeFirstItem = RangeLastItem = (ImGuiSelectionUserData)-1; }
};
//-----------------------------------------------------------------------------