Clipper: add ForceDisplayRangeByIndices (#3841, #3578)

This partially reverts commit 6a7e2c74fb.
This commit is contained in:
ocornut
2021-11-08 17:16:52 +01:00
parent ebac375791
commit bce1ba400f
4 changed files with 16 additions and 3 deletions

View File

@ -64,7 +64,7 @@ Index of this file:
// Version
// (Integer encoded as XYYZZ for use in #if preprocessor conditionals. Work in progress versions typically starts at XYY99 then bounce up to XYY00, XYY01 etc. when release tagging happens)
#define IMGUI_VERSION "1.86 WIP"
#define IMGUI_VERSION_NUM 18508
#define IMGUI_VERSION_NUM 18509
#define IMGUI_CHECKVERSION() ImGui::DebugCheckVersionAndDataLayout(IMGUI_VERSION, sizeof(ImGuiIO), sizeof(ImGuiStyle), sizeof(ImVec2), sizeof(ImVec4), sizeof(ImDrawVert), sizeof(ImDrawIdx))
#define IMGUI_HAS_TABLE
@ -2207,6 +2207,9 @@ struct ImGuiListClipper
IMGUI_API void End(); // Automatically called on the last call of Step() that returns false.
IMGUI_API bool Step(); // Call until it returns false. The DisplayStart/DisplayEnd fields will be set and you can process/draw those items.
// Call ForceDisplayRangeByIndices() before first call to Step() if you need a range of items to be displayed regardless of visibility.
IMGUI_API void ForceDisplayRangeByIndices(int item_min, int item_max); // item_max is exclusive e.g. use (42, 42+1) to make item 42 always visible BUT due to alignment/padding of certain items it is likely that an extra item may be included on either end of the display range.
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
inline ImGuiListClipper(int items_count, float items_height = -1.0f) { memset(this, 0, sizeof(*this)); ItemsCount = -1; Begin(items_count, items_height); } // [removed in 1.79]
#endif