From f806c76e97bbbd25e6e5ded3e761fde75689deb4 Mon Sep 17 00:00:00 2001 From: ocornut Date: Tue, 14 May 2024 14:34:52 +0200 Subject: [PATCH] Tables, Dpi: added dummy g.DpiScale storage (to be altered in docking), using to scale tables border hit thickness. + Added note about how equivalent resize padding for windows (sourced from WINDOWS_HOVER_PADDING) would need further rework. --- imgui.cpp | 4 ++++ imgui_internal.h | 5 +++-- imgui_tables.cpp | 10 +++++----- 3 files changed, 12 insertions(+), 7 deletions(-) diff --git a/imgui.cpp b/imgui.cpp index 4704f89b2..afb59acfe 100644 --- a/imgui.cpp +++ b/imgui.cpp @@ -3811,6 +3811,7 @@ static void SetCurrentWindow(ImGuiWindow* window) ImGuiContext& g = *GImGui; g.CurrentWindow = window; g.CurrentTable = window && window->DC.CurrentTableIdx != -1 ? g.Tables.GetByIndex(window->DC.CurrentTableIdx) : NULL; + g.DpiScale = 1.0f; // FIXME-DPI: WIP this is modified in docking if (window) { g.FontSize = g.DrawListSharedData.FontSize = window->CalcFontSize(); @@ -4477,6 +4478,9 @@ void ImGui::UpdateHoveredWindowAndCaptureFlags() { ImGuiContext& g = *GImGui; ImGuiIO& io = g.IO; + + // FIXME-DPI: This storage was added on 2021/03/31 for test engine, but if we want to multiply WINDOWS_HOVER_PADDING + // by DpiScale, we need to make this window-agnostic anyhow, maybe need storing inside ImGuiWindow. g.WindowsHoverPadding = ImMax(g.Style.TouchExtraPadding, ImVec2(WINDOWS_HOVER_PADDING, WINDOWS_HOVER_PADDING)); // Find the window hovered by mouse: diff --git a/imgui_internal.h b/imgui_internal.h index 3ac6b2009..d96c8f86a 100644 --- a/imgui_internal.h +++ b/imgui_internal.h @@ -1942,6 +1942,7 @@ struct ImGuiContext ImFont* Font; // (Shortcut) == FontStack.empty() ? IO.Font : FontStack.back() float FontSize; // (Shortcut) == FontBaseSize * g.CurrentWindow->FontWindowScale == window->FontSize(). Text height for current window. float FontBaseSize; // (Shortcut) == IO.FontGlobalScale * Font->Scale * Font->FontSize. Base text height. + float DpiScale; // Current window DpiScale ImDrawListSharedData DrawListSharedData; double Time; int FrameCount; @@ -1967,7 +1968,7 @@ struct ImGuiContext ImVector CurrentWindowStack; ImGuiStorage WindowsById; // Map window's ImGuiID to ImGuiWindow* int WindowsActiveCount; // Number of unique windows submitted by frame - ImVec2 WindowsHoverPadding; // Padding around resizable windows for which hovering on counts as hovering the window == ImMax(style.TouchExtraPadding, WINDOWS_HOVER_PADDING) + ImVec2 WindowsHoverPadding; // Padding around resizable windows for which hovering on counts as hovering the window == ImMax(style.TouchExtraPadding, WINDOWS_HOVER_PADDING). ImGuiID DebugBreakInWindow; // Set to break in Begin() call. ImGuiWindow* CurrentWindow; // Window being drawn into ImGuiWindow* HoveredWindow; // Window the mouse is hovering. Will typically catch mouse inputs. @@ -2268,7 +2269,7 @@ struct ImGuiContext Initialized = false; FontAtlasOwnedByContext = shared_font_atlas ? false : true; Font = NULL; - FontSize = FontBaseSize = 0.0f; + FontSize = FontBaseSize = DpiScale = 0.0f; IO.Fonts = shared_font_atlas ? shared_font_atlas : IM_NEW(ImFontAtlas)(); Time = 0.0f; FrameCount = 0; diff --git a/imgui_tables.cpp b/imgui_tables.cpp index d4a1fa3ac..f63b5c4c7 100644 --- a/imgui_tables.cpp +++ b/imgui_tables.cpp @@ -1256,7 +1256,7 @@ void ImGui::TableUpdateBorders(ImGuiTable* table) // really problematic (whereas the actual visual will be displayed in EndTable() and using the current frame height). // Actual columns highlight/render will be performed in EndTable() and not be affected. ImGuiTableInstanceData* table_instance = TableGetInstanceData(table, table->InstanceCurrent); - const float hit_half_width = TABLE_RESIZE_SEPARATOR_HALF_THICKNESS; + const float hit_half_width = ImTrunc(TABLE_RESIZE_SEPARATOR_HALF_THICKNESS * g.DpiScale); const float hit_y1 = (table->FreezeRowsCount >= 1 ? table->OuterRect.Min.y : table->WorkRect.Min.y) + table->AngledHeadersHeight; const float hit_y2_body = ImMax(table->OuterRect.Max.y, hit_y1 + table_instance->LastOuterHeight - table->AngledHeadersHeight); const float hit_y2_head = hit_y1 + table_instance->LastTopHeadersRowHeight; @@ -1433,7 +1433,7 @@ void ImGui::EndTable() if (table->ResizedColumn != -1 && table->InstanceCurrent == table->InstanceInteracted) { ImGuiTableColumn* column = &table->Columns[table->ResizedColumn]; - const float new_x2 = (g.IO.MousePos.x - g.ActiveIdClickOffset.x + TABLE_RESIZE_SEPARATOR_HALF_THICKNESS); + const float new_x2 = (g.IO.MousePos.x - g.ActiveIdClickOffset.x + ImTrunc(TABLE_RESIZE_SEPARATOR_HALF_THICKNESS * g.DpiScale)); const float new_width = ImTrunc(new_x2 - column->MinX - table->CellSpacingX1 - table->CellPaddingX * 2.0f); table->ResizedColumnNextWidth = new_width; } @@ -4041,7 +4041,7 @@ float ImGui::GetColumnNormFromOffset(const ImGuiOldColumns* columns, float offse return offset / (columns->OffMaxX - columns->OffMinX); } -static const float COLUMNS_HIT_RECT_HALF_WIDTH = 4.0f; +static const float COLUMNS_HIT_RECT_HALF_THICKNESS = 4.0f; static float GetDraggedColumnOffset(ImGuiOldColumns* columns, int column_index) { @@ -4052,7 +4052,7 @@ static float GetDraggedColumnOffset(ImGuiOldColumns* columns, int column_index) IM_ASSERT(column_index > 0); // We are not supposed to drag column 0. IM_ASSERT(g.ActiveId == columns->ID + ImGuiID(column_index)); - float x = g.IO.MousePos.x - g.ActiveIdClickOffset.x + COLUMNS_HIT_RECT_HALF_WIDTH - window->Pos.x; + float x = g.IO.MousePos.x - g.ActiveIdClickOffset.x + ImTrunc(COLUMNS_HIT_RECT_HALF_THICKNESS * g.DpiScale) - window->Pos.x; x = ImMax(x, ImGui::GetColumnOffset(column_index - 1) + g.Style.ColumnsMinSpacing); if ((columns->Flags & ImGuiOldColumnFlags_NoPreserveWidths)) x = ImMin(x, ImGui::GetColumnOffset(column_index + 1) - g.Style.ColumnsMinSpacing); @@ -4367,7 +4367,7 @@ void ImGui::EndColumns() ImGuiOldColumnData* column = &columns->Columns[n]; float x = window->Pos.x + GetColumnOffset(n); const ImGuiID column_id = columns->ID + ImGuiID(n); - const float column_hit_hw = COLUMNS_HIT_RECT_HALF_WIDTH; + const float column_hit_hw = ImTrunc(COLUMNS_HIT_RECT_HALF_THICKNESS * g.DpiScale); const ImRect column_hit_rect(ImVec2(x - column_hit_hw, y1), ImVec2(x + column_hit_hw, y2)); if (!ItemAdd(column_hit_rect, column_id, NULL, ImGuiItemFlags_NoNav)) continue;