Columns: Lower overhead on column switches and switching to background channel. (second attempt for 9b3ce49)

Internals: Bits, comments, added ImRect::ToVec4()
This commit is contained in:
omar
2020-06-13 15:48:05 +02:00
parent d3b37180a3
commit 90c0c0c163
4 changed files with 46 additions and 17 deletions

View File

@ -435,6 +435,7 @@ struct IMGUI_API ImRect
void ClipWithFull(const ImRect& r) { Min = ImClamp(Min, r.Min, r.Max); Max = ImClamp(Max, r.Min, r.Max); } // Full version, ensure both points are fully clipped.
void Floor() { Min.x = IM_FLOOR(Min.x); Min.y = IM_FLOOR(Min.y); Max.x = IM_FLOOR(Max.x); Max.y = IM_FLOOR(Max.y); }
bool IsInverted() const { return Min.x > Max.x || Min.y > Max.y; }
ImVec4 ToVec4() const { return ImVec4(Min.x, Min.y, Max.x, Max.y); }
};
// Helper: ImBitArray
@ -1012,7 +1013,8 @@ struct ImGuiColumns
float LineMinY, LineMaxY;
float HostCursorPosY; // Backup of CursorPos at the time of BeginColumns()
float HostCursorMaxPosX; // Backup of CursorMaxPos at the time of BeginColumns()
ImRect HostClipRect; // Backup of ClipRect at the time of BeginColumns()
ImRect HostInitialClipRect; // Backup of ClipRect at the time of BeginColumns()
ImRect HostBackupClipRect; // Backup of ClipRect during PushColumnsBackground()/PopColumnsBackground()
ImRect HostWorkRect; // Backup of WorkRect at the time of BeginColumns()
ImVector<ImGuiColumnData> Columns;
ImDrawListSplitter Splitter;
@ -1894,6 +1896,7 @@ namespace ImGui
IMGUI_API bool IsDragDropPayloadBeingAccepted();
// 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);
IMGUI_API void BeginColumns(const char* str_id, int count, ImGuiColumnsFlags flags = 0); // setup number of columns. use an identifier to distinguish multiple column sets. close with EndColumns().
IMGUI_API void EndColumns(); // close columns
IMGUI_API void PushColumnClipRect(int column_index);