From 1aac69c937f9e1fe1424514aaaaa504d44c841a0 Mon Sep 17 00:00:00 2001 From: ocornut Date: Thu, 26 Nov 2015 23:01:15 +0000 Subject: [PATCH] Columns: tidying up, moving OffsetT to a ImGuiColumnData structure --- imgui.cpp | 19 ++++++++++--------- imgui.h | 2 +- imgui_internal.h | 11 +++++++++-- 3 files changed, 20 insertions(+), 12 deletions(-) diff --git a/imgui.cpp b/imgui.cpp index 7e7feb9c..8b9c51df 100644 --- a/imgui.cpp +++ b/imgui.cpp @@ -8779,8 +8779,8 @@ float ImGui::GetColumnOffset(int column_index) } // Read from cache - IM_ASSERT(column_index < window->DC.ColumnsOffsetsT.Size); - const float t = window->DC.ColumnsOffsetsT[column_index]; + IM_ASSERT(column_index < window->DC.ColumnsData.Size); + const float t = window->DC.ColumnsData[column_index].OffsetNorm; const float content_region_width = window->SizeContentsExplicit.x ? window->SizeContentsExplicit.x : window->Size.x; const float min_x = window->DC.IndentX; @@ -8796,7 +8796,7 @@ void ImGui::SetColumnOffset(int column_index, float offset) if (column_index < 0) column_index = window->DC.ColumnsCurrent; - IM_ASSERT(column_index < window->DC.ColumnsOffsetsT.Size); + IM_ASSERT(column_index < window->DC.ColumnsData.Size); const ImGuiID column_id = window->DC.ColumnsSetID + ImGuiID(column_index); const float content_region_width = window->SizeContentsExplicit.x ? window->SizeContentsExplicit.x : window->Size.x; @@ -8804,7 +8804,7 @@ void ImGui::SetColumnOffset(int column_index, float offset) const float max_x = content_region_width - window->Scroll.x - ((window->Flags & ImGuiWindowFlags_NoScrollbar) ? 0 : g.Style.ScrollbarSize);// - window->WindowPadding().x; const float t = (offset - min_x) / (max_x - min_x); window->DC.StateStorage->SetFloat(column_id, t); - window->DC.ColumnsOffsetsT[column_index] = t; + window->DC.ColumnsData[column_index].OffsetNorm = t; } float ImGui::GetColumnWidth(int column_index) @@ -8832,6 +8832,7 @@ void ImGui::Columns(int columns_count, const char* id, bool border) { ImGuiState& g = *GImGui; ImGuiWindow* window = GetCurrentWindow(); + IM_ASSERT(columns_count >= 1); if (window->DC.ColumnsCount != 1) { @@ -8894,14 +8895,14 @@ void ImGui::Columns(int columns_count, const char* id, bool border) if (window->DC.ColumnsCount != 1) { // Cache column offsets - window->DC.ColumnsOffsetsT.resize(columns_count + 1); + window->DC.ColumnsData.resize(columns_count + 1); for (int column_index = 0; column_index < columns_count + 1; column_index++) { const ImGuiID column_id = window->DC.ColumnsSetID + ImGuiID(column_index); KeepAliveID(column_id); const float default_t = column_index / (float)window->DC.ColumnsCount; const float t = window->DC.StateStorage->GetFloat(column_id, default_t); // Cheaply store our floating point value inside the integer (could store an union into the map?) - window->DC.ColumnsOffsetsT[column_index] = t; + window->DC.ColumnsData[column_index].OffsetNorm = t; } window->DrawList->ChannelsSplit(window->DC.ColumnsCount); PushColumnClipRect(); @@ -8909,9 +8910,9 @@ void ImGui::Columns(int columns_count, const char* id, bool border) } else { - window->DC.ColumnsOffsetsT.resize(2); - window->DC.ColumnsOffsetsT[0] = 0.0f; - window->DC.ColumnsOffsetsT[1] = 1.0f; + window->DC.ColumnsData.resize(2); + window->DC.ColumnsData[0].OffsetNorm = 0.0f; + window->DC.ColumnsData[1].OffsetNorm = 1.0f; } } diff --git a/imgui.h b/imgui.h index aa56643b..63cdb2fb 100644 --- a/imgui.h +++ b/imgui.h @@ -193,7 +193,7 @@ namespace ImGui IMGUI_API void Dummy(const ImVec2& size); // add a dummy item of given size IMGUI_API void Indent(); // move content position toward the right by style.IndentSpacing pixels IMGUI_API void Unindent(); // move content position back to the left (cancel Indent) - IMGUI_API void Columns(int count = 1, const char* id = NULL, bool border=true); // setup number of columns. use an identifier to distinguish multiple column sets. close with Columns(1). + IMGUI_API void Columns(int count = 1, const char* id = NULL, bool border = true); // setup number of columns. use an identifier to distinguish multiple column sets. close with Columns(1). IMGUI_API void NextColumn(); // next column IMGUI_API int GetColumnIndex(); // get current column index IMGUI_API float GetColumnOffset(int column_index = -1); // get position of column line (in pixels, from the left side of the contents region). pass -1 to use current column, otherwise 0..GetcolumnsCount() inclusive. column 0 is usually 0.0f and not resizable unless you call this diff --git a/imgui_internal.h b/imgui_internal.h index 0aeee052..492b23c9 100644 --- a/imgui_internal.h +++ b/imgui_internal.h @@ -260,7 +260,14 @@ struct ImGuiGroupData bool AdvanceCursor; }; -// Simple column measurement currently used for MenuItem() only. This is very short-sighted for now and not a generic helper. +// Per column data for Columns() +struct ImGuiColumnData +{ + float OffsetNorm; // Column start offset, normalized 0.0 (far left) -> 1.0 (far right) + //float IndentX; +}; + +// Simple column measurement currently used for MenuItem() only. This is very short-sighted for now and NOT a generic helper. struct IMGUI_API ImGuiSimpleColumns { int Count; @@ -534,7 +541,7 @@ struct IMGUI_API ImGuiDrawContext float ColumnsCellMaxY; bool ColumnsShowBorders; ImGuiID ColumnsSetID; - ImVector ColumnsOffsetsT; // Columns offset normalized 0.0 (far left) -> 1.0 (far right) + ImVector ColumnsData; ImGuiDrawContext() {