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MultiSelect: Box-Select: added support for ImGuiMultiSelectFlags_BoxSelect.

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(v11)
FIXME: broken on clipping demo.
This commit is contained in:
ocornut 2023-08-29 16:27:31 +02:00
parent 90305c57e4
commit f904a6646c
4 changed files with 107 additions and 11 deletions
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16
imgui_internal.h
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@ -1722,6 +1722,10 @@ struct IMGUI_API ImGuiMultiSelectTempData
ImGuiMultiSelectFlags Flags;
ImVec2 ScopeRectMin;
ImVec2 BackupCursorMaxPos;
ImGuiID BoxSelectId;
ImRect BoxSelectRectCurr; // Selection rectangle in absolute coordinates (derived from Storage->BoxSelectStartPosRel + MousePos)
ImRect BoxSelectRectPrev;
ImGuiSelectionUserData BoxSelectLastitem;
ImGuiKeyChord KeyMods;
bool LoopRequestClear;
bool LoopRequestSelectAll;
@ -1733,7 +1737,7 @@ struct IMGUI_API ImGuiMultiSelectTempData
bool RangeDstPassedBy; // Set by the item that matches NavJustMovedToId when IsSetRange is set.
ImGuiMultiSelectTempData() { Clear(); }
void Clear() { size_t io_sz = sizeof(IO); IO.Clear(); memset((void*)(&IO + 1), 0, sizeof(*this) - io_sz); } // Zero-clear except IO
void Clear() { size_t io_sz = sizeof(IO); IO.Clear(); memset((void*)(&IO + 1), 0, sizeof(*this) - io_sz); BoxSelectLastitem = -1; } // Zero-clear except IO
};
// Persistent storage for multi-select (as long as selection is alive)
@ -1747,8 +1751,15 @@ struct IMGUI_API ImGuiMultiSelectState
ImGuiSelectionUserData RangeSrcItem; //
ImGuiSelectionUserData NavIdItem; // SetNextItemSelectionUserData() value for NavId (if part of submitted items)
bool BoxSelectActive;
bool BoxSelectStarting;
bool BoxSelectFromVoid;
ImGuiKeyChord BoxSelectKeyMods : 16; // Latched key-mods for box-select logic.
ImVec2 BoxSelectStartPosRel; // Start position in window-relative space (to support scrolling)
ImVec2 BoxSelectEndPosRel; // End position in window-relative space
ImGuiMultiSelectState() { Init(0); }
void Init(ImGuiID id) { Window = NULL; ID = id; LastFrameActive = 0; RangeSelected = NavIdSelected = -1; RangeSrcItem = NavIdItem = ImGuiSelectionUserData_Invalid; }
void Init(ImGuiID id) { Window = NULL; ID = id; LastFrameActive = 0; RangeSelected = NavIdSelected = -1; RangeSrcItem = NavIdItem = ImGuiSelectionUserData_Invalid; BoxSelectActive = BoxSelectStarting = BoxSelectFromVoid = false; BoxSelectKeyMods = 0; }
};
#endif // #ifdef IMGUI_HAS_MULTI_SELECT
@ -3087,6 +3098,7 @@ namespace ImGui
inline ImRect WindowRectAbsToRel(ImGuiWindow* window, const ImRect& r) { ImVec2 off = window->DC.CursorStartPos; return ImRect(r.Min.x - off.x, r.Min.y - off.y, r.Max.x - off.x, r.Max.y - off.y); }
inline ImRect WindowRectRelToAbs(ImGuiWindow* window, const ImRect& r) { ImVec2 off = window->DC.CursorStartPos; return ImRect(r.Min.x + off.x, r.Min.y + off.y, r.Max.x + off.x, r.Max.y + off.y); }
inline ImVec2 WindowPosRelToAbs(ImGuiWindow* window, const ImVec2& p) { ImVec2 off = window->DC.CursorStartPos; return ImVec2(p.x + off.x, p.y + off.y); }
inline ImVec2 WindowPosAbsToRel(ImGuiWindow* window, const ImVec2& p) { ImVec2 off = window->DC.CursorStartPos; return ImVec2(p.x - off.x, p.y - off.y); }
// Windows: Display Order and Focus Order
IMGUI_API void FocusWindow(ImGuiWindow* window, ImGuiFocusRequestFlags flags = 0);