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MultiSelect: added GetMultiSelectState() + store LastSelectionSize as provided by user, convenient for quick debugging and testing.

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This commit is contained in:
ocornut 2024-05-29 15:22:32 +02:00
parent dc0a1682e3
commit 81548cb6bf
2 changed files with 9 additions and 7 deletions
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7
imgui_internal.h
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@ -1758,7 +1758,6 @@ struct IMGUI_API ImGuiMultiSelectTempData
bool IsEndIO; // Set when switching IO from BeginMultiSelect() to EndMultiSelect() state.
bool IsFocused; // Set if currently focusing the selection scope (any item of the selection). May be used if you have custom shortcut associated to selection.
bool IsKeyboardSetRange; // Set by BeginMultiSelect() when using Shift+Navigation. Because scrolling may be affected we can't afford a frame of lag with Shift+Navigation.
bool IsSelectionEmpty; // Set by BeginMultiSelect() based on optional info provided by user. May be false positive, never false negative.
bool NavIdPassedBy;
bool RangeSrcPassedBy; // Set by the item that matches RangeSrcItem.
bool RangeDstPassedBy; // Set by the item that matches NavJustMovedToId when IsSetRange is set.
@ -1775,12 +1774,13 @@ struct IMGUI_API ImGuiMultiSelectState
ImGuiWindow* Window;
ImGuiID ID;
int LastFrameActive; // Last used frame-count, for GC.
int LastSelectionSize; // Set by BeginMultiSelect() based on optional info provided by user. May be -1 if unknown.
ImS8 RangeSelected; // -1 (don't have) or true/false
ImS8 NavIdSelected; // -1 (don't have) or true/false
ImGuiSelectionUserData RangeSrcItem; //
ImGuiSelectionUserData NavIdItem; // SetNextItemSelectionUserData() value for NavId (if part of submitted items)
ImGuiMultiSelectState() { Window = NULL; ID = 0; LastFrameActive = 0; RangeSelected = NavIdSelected = -1; RangeSrcItem = NavIdItem = ImGuiSelectionUserData_Invalid; }
ImGuiMultiSelectState() { Window = NULL; ID = 0; LastFrameActive = LastSelectionSize = 0; RangeSelected = NavIdSelected = -1; RangeSrcItem = NavIdItem = ImGuiSelectionUserData_Invalid; }
};
#endif // #ifdef IMGUI_HAS_MULTI_SELECT
@ -3411,7 +3411,8 @@ namespace ImGui
// Multi-Select API
IMGUI_API void MultiSelectItemHeader(ImGuiID id, bool* p_selected, ImGuiButtonFlags* p_button_flags);
IMGUI_API void MultiSelectItemFooter(ImGuiID id, bool* p_selected, bool* p_pressed);
inline ImGuiBoxSelectState* GetBoxSelectState(ImGuiID id) { ImGuiContext& g = *GImGui; return (id != 0 && g.BoxSelectState.ID == id && g.BoxSelectState.IsActive) ? &g.BoxSelectState : NULL; }
inline ImGuiBoxSelectState* GetBoxSelectState(ImGuiID id) { ImGuiContext& g = *GImGui; return (id != 0 && g.BoxSelectState.ID == id && g.BoxSelectState.IsActive) ? &g.BoxSelectState : NULL; }
inline ImGuiMultiSelectState* GetMultiSelectState(ImGuiID id) { ImGuiContext& g = *GImGui; return g.MultiSelectStorage.GetByKey(id); }
// Internal Columns API (this is not exposed because we will encourage transitioning to the Tables API)
IMGUI_API void SetWindowClipRectBeforeSetChannel(ImGuiWindow* window, const ImRect& clip_rect);

9
imgui_widgets.cpp
View File

@ -7330,7 +7330,6 @@ ImGuiMultiSelectIO* ImGui::BeginMultiSelect(ImGuiMultiSelectFlags flags, int cur
ms->FocusScopeId = id;
ms->Flags = flags;
ms->IsFocused = (ms->FocusScopeId == g.NavFocusScopeId);
ms->IsSelectionEmpty = (current_selection_size == 0);
ms->BackupCursorMaxPos = window->DC.CursorMaxPos;
ms->ScopeRectMin = window->DC.CursorMaxPos = window->DC.CursorPos;
PushFocusScope(ms->FocusScopeId);
@ -7344,6 +7343,7 @@ ImGuiMultiSelectIO* ImGui::BeginMultiSelect(ImGuiMultiSelectFlags flags, int cur
ImGuiMultiSelectState* storage = g.MultiSelectStorage.GetOrAddByKey(id);
storage->ID = id;
storage->LastFrameActive = g.FrameCount;
storage->LastSelectionSize = current_selection_size;
storage->Window = window;
ms->Storage = storage;
@ -7400,7 +7400,7 @@ ImGuiMultiSelectIO* ImGui::BeginMultiSelect(ImGuiMultiSelectFlags flags, int cur
{
ImGuiSelectionRequest req = { ImGuiSelectionRequestType_SetAll, request_select_all, ImGuiSelectionUserData_Invalid, ImGuiSelectionUserData_Invalid };
if (!request_select_all)
ms->IsSelectionEmpty = true;
storage->LastSelectionSize = 0;
ms->IO.Requests.push_back(req);
}
ms->LoopRequestSetAll = request_select_all ? 1 : request_clear ? 0 : -1;
@ -7658,13 +7658,13 @@ void ImGui::MultiSelectItemFooter(ImGuiID id, bool* p_selected, bool* p_pressed)
selected = !selected;
ImGuiSelectionRequest req = { ImGuiSelectionRequestType_SetRange, selected, item_data, item_data };
ImGuiSelectionRequest* prev_req = (ms->IO.Requests.Size > 0) ? &ms->IO.Requests.Data[ms->IO.Requests.Size - 1] : NULL;
if (ms->IsSelectionEmpty && bs->IsStartedFromVoid)
if (storage->LastSelectionSize == 0 && bs->IsStartedFromVoid)
pressed = true; // First item act as a pressed: code below will emit selection request and set NavId (whatever we emit here will be overriden anyway)
else if (prev_req && prev_req->Type == ImGuiSelectionRequestType_SetRange && prev_req->RangeLastItem == ms->BoxSelectLastitem && prev_req->Selected == selected)
prev_req->RangeLastItem = item_data; // Merge span into same request
else
ms->IO.Requests.push_back(req);
ms->IsSelectionEmpty = false;
storage->LastSelectionSize++;
}
ms->BoxSelectLastitem = item_data;
}
@ -7799,6 +7799,7 @@ void ImGui::DebugNodeMultiSelectState(ImGuiMultiSelectState* storage)
return;
Text("RangeSrcItem = %" IM_PRId64 " (0x%" IM_PRIX64 "), RangeSelected = %d", storage->RangeSrcItem, storage->RangeSrcItem, storage->RangeSelected);
Text("NavIdItem = %" IM_PRId64 " (0x%" IM_PRIX64 "), NavIdSelected = %d", storage->NavIdItem, storage->NavIdItem, storage->NavIdSelected);
Text("LastSelectionSize = %d", storage->LastSelectionSize); // Provided by user
TreePop();
#else
IM_UNUSED(storage);