// (minor and older changes stripped away, please see git history for details)
// 2020-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2021-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2019-08-01: DirectX11: Fixed code querying the Geometry Shader state (would generally error with Debug layer enabled).
// 2019-07-21: DirectX11: Backup, clear and restore Geometry Shader is any is bound when calling ImGui_ImplDX10_RenderDrawData. Clearing Hull/Domain/Compute shaders without backup/restore.
// 2019-05-29: DirectX11: Added support for large mesh (64K+ vertices), enable ImGuiBackendFlags_RendererHasVtxOffset flag.
// Attempt to load d3d12.dll from local directories. This will only succeed if
// (1) the current OS is Windows 7, and
// (2) there exists a version of d3d12.dll for Windows 7 (D3D12On7) in one of the following directories.
// See https://github.com/ocornut/imgui/pull/3696 for details.
constchar*localD3d12Paths[]={".\\d3d12.dll",".\\d3d12on7\\d3d12.dll",".\\12on7\\d3d12.dll"};// A. current directory, B. used by some games, C. used in Microsoft D3D12On7 sample
// (minor and older changes stripped away, please see git history for details)
// 2020-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2021-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2021-01-03: OpenGL: Backup, setup and restore GL_SHADE_MODEL state, disable GL_STENCIL_TEST and disable GL_NORMAL_ARRAY client state to increase compatibility with legacy OpenGL applications.
// 2020-01-23: OpenGL: Backup, setup and restore GL_TEXTURE_ENV to increase compatibility with legacy OpenGL applications.
// 2019-04-30: OpenGL: Added support for special ImDrawCallback_ResetRenderState callback to reset render state.
- You need to install Emscripten from https://emscripten.org/docs/getting_started/downloads.html, and have the environment variables set, as described in https://emscripten.org/docs/getting_started/downloads.html#installation-instructions
@ -9,10 +8,13 @@
## How to Run
To run on a local machine:
- Generally you may need a local webserver. Quoting [https://emscripten.org/docs/getting_started](https://emscripten.org/docs/getting_started/Tutorial.html#generating-html):<br>
- `make serve` will use Python3 to spawn a local webserver, you can then browse http://localhost:8000 to access your build.
- Otherwise, generally you will need a local webserver:
_"Unfortunately several browsers (including Chrome, Safari, and Internet Explorer) do not support file:// [XHR](https://emscripten.org/docs/site/glossary.html#term-xhr) requests, and can’t load extra files needed by the HTML (like a .wasm file, or packaged file data as mentioned lower down). For these browsers you’ll need to serve the files using a [local webserver](https://emscripten.org/docs/getting_started/FAQ.html#faq-local-webserver) and then open http://localhost:8000/hello.html."_
- Emscripten SDK has a handy `emrun` command: `emrun example_emscripten_opengl3.html` which will spawn a temporary local webserver. See https://emscripten.org/docs/compiling/Running-html-files-with-emrun.html for details.
- Otherwise you may use Python builtin webserver: `python -m http.server` in Python 3 or `python -m SimpleHTTPServer` in Python 2. After doing that, you can visit http://localhost:8000/.
- Emscripten SDK has a handy `emrun` command: `emrun web/example_emscripten_opengl3.html --browser firefox` which will spawn a temporary local webserver (in Firefox). See https://emscripten.org/docs/compiling/Running-html-files-with-emrun.html for details.
- You may use Python 3 builtin webserver: `python -m http.server -d web` (this is what `make serve` uses).
- You may use Python 2 builtin webserver: `cd web && python -m SimpleHTTPServer`.
// This works but 1. doesn't handle multiple Begin/End pairs, 2. recursing into another Begin/End pair - so we need to work that out and add better logging scope.
enum{TRT_OuterRect,TRT_InnerRect,TRT_WorkRect,TRT_HostClipRect,TRT_InnerClipRect,TRT_BackgroundClipRect,TRT_ColumnsRect,TRT_ColumnsClipRect,TRT_ColumnsContentHeadersUsed,TRT_ColumnsContentHeadersIdeal,TRT_ColumnsContentFrozen,TRT_ColumnsContentUnfrozen,TRT_Count};// Tables Rect Type
enum{TRT_OuterRect,TRT_InnerRect,TRT_WorkRect,TRT_HostClipRect,TRT_InnerClipRect,TRT_BackgroundClipRect,TRT_ColumnsRect,TRT_ColumnsWorkRect,TRT_ColumnsClipRect,TRT_ColumnsContentHeadersUsed,TRT_ColumnsContentHeadersIdeal,TRT_ColumnsContentFrozen,TRT_ColumnsContentUnfrozen,TRT_Count};// Tables Rect Type
elseif(rect_type==TRT_ColumnsContentHeadersUsed){ImGuiTableColumn*c=&table->Columns[n];returnImRect(c->WorkMinX,table->InnerClipRect.Min.y,c->ContentMaxXHeadersUsed,table->InnerClipRect.Min.y+table->LastFirstRowHeight);}// Note: y1/y2 not always accurate
// (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 IM_OFFSETOF(_TYPE,_MEMBER) offsetof(_TYPE, _MEMBER) // Offset of _MEMBER within _TYPE. Standardized as offsetof() in C++11
#else
#define IM_OFFSETOF(_TYPE,_MEMBER) ((size_t)&(((_TYPE*)0)->_MEMBER)) // Offset of _MEMBER within _TYPE. Old style macro.
@ -580,7 +580,7 @@ namespace ImGui
IMGUI_APIvoidTreePop();// ~ Unindent()+PopId()
IMGUI_APIfloatGetTreeNodeToLabelSpacing();// horizontal distance preceding label when using TreeNode*() or Bullet() == (g.FontSize + style.FramePadding.x*2) for a regular unframed TreeNode
IMGUI_APIboolCollapsingHeader(constchar*label,ImGuiTreeNodeFlagsflags=0);// if returning 'true' the header is open. doesn't indent nor push on ID stack. user doesn't have to call TreePop().
IMGUI_APIboolCollapsingHeader(constchar*label,bool*p_open,ImGuiTreeNodeFlagsflags=0);// when 'p_open' isn't NULL, display an additional small close button on upper right of the header
IMGUI_APIboolCollapsingHeader(constchar*label,bool*p_visible,ImGuiTreeNodeFlagsflags=0);// when 'p_visible != NULL': if '*p_visible==true' display an additional small close button on upper right of the header which will set the bool to false when clicked, if '*p_visible==false' don't display the header.
IMGUI_APIvoidSetNextItemOpen(boolis_open,ImGuiCondcond=0);// set next TreeNode/CollapsingHeader open state.
// Widgets: Selectables
@ -668,9 +668,10 @@ namespace ImGui
IMGUI_APIboolIsPopupOpen(constchar*str_id,ImGuiPopupFlagsflags=0);// return true if the popup is open.
// Tables
// [BETA API] API may evolve!
// [BETA API] API may evolve slightly! If you use this, please update to the next version when it comes out!
// - Full-featured replacement for old Columns API.
// - See Demo->Tables for details.
// - See Demo->Tables for demo code.
// - See top of imgui_tables.cpp for general commentary.
// - See ImGuiTableFlags_ and ImGuiTableColumnFlags_ enums for a description of available flags.
// The typical call flow is:
// - 1. Call BeginTable()
@ -683,25 +684,19 @@ namespace ImGui
// you may prefer using TableNextColumn() instead of TableNextRow() + TableSetColumnIndex().
// TableNextColumn() will automatically wrap-around into the next row if needed.
// - IMPORTANT: Comparatively to the old Columns() API, we need to call TableNextColumn() for the first column!
// - Both TableSetColumnIndex() and TableNextColumn() return true when the column is visible or performing
// width measurements. Otherwise, you may skip submitting the contents of a cell/column, BUT ONLY if you know
// it is not going to contribute to row height.
// In many situations, you may skip submitting contents for every columns but one (e.g. the first one).
IMGUI_APIvoidEndTable();// only call EndTable() if BeginTable() returns true!
IMGUI_APIvoidTableNextRow(ImGuiTableRowFlagsrow_flags=0,floatmin_row_height=0.0f);// append into the first cell of a new row.
IMGUI_APIboolTableNextColumn();// append into the next column (or first column of next row if currently in last column). Return true when column is visible.
IMGUI_APIboolTableSetColumnIndex(intcolumn_n);// append into the specified column. Return true when column is visible.
IMGUI_APIintTableGetColumnIndex();// return current column index.
IMGUI_APIintTableGetRowIndex();// return current row index.
// Tables: Headers & Columns declaration
// - Use TableSetupColumn() to specify label, resizing policy, default width/weight, id, various other flags etc.
// Important: this will not display anything! The name passed to TableSetupColumn() is used by TableHeadersRow() and context-menus.
@ -709,7 +704,7 @@ namespace ImGui
// Headers are required to perform: reordering, sorting, and opening the context menu (but context menu can also be available in columns body using ImGuiTableFlags_ContextMenuInBody).
// - You may manually submit headers using TableNextRow() + TableHeader() calls, but this is only useful in some advanced cases (e.g. adding custom widgets in header row).
// - Use TableSetupScrollFreeze() to lock columns (from the right) or rows (from the top) so they stay visible when scrolled.
IMGUI_APIvoidTableSetupScrollFreeze(intcols,introws);// lock columns/rows so they stay visible when scrolled.
IMGUI_APIvoidTableHeadersRow();// submit all headers cells based on data provided to TableSetupColumn() + submit context menu
IMGUI_APIvoidTableHeader(constchar*label);// submit one header cell manually (rarely used)
@ -720,10 +715,12 @@ namespace ImGui
// Make sure to set 'SpecsDirty = false' after sorting, else you may wastefully sort your data every frame!
// Lifetime: don't hold on this pointer over multiple frames or past any subsequent call to BeginTable().
IMGUI_APIintTableGetColumnCount();// return number of columns (value passed to BeginTable)
IMGUI_APIintTableGetColumnIndex();// return current column index.
IMGUI_APIintTableGetRowIndex();// return current row index.
IMGUI_APIconstchar*TableGetColumnName(intcolumn_n=-1);// return "" if column didn't have a name declared by TableSetupColumn(). Pass -1 to use current column.
IMGUI_APIImGuiTableColumnFlagsTableGetColumnFlags(intcolumn_n=-1);// return column flags so you can query their Enabled/Visible/Sorted/Hovered status flags.
IMGUI_APIImGuiTableColumnFlagsTableGetColumnFlags(intcolumn_n=-1);// return column flags so you can query their Enabled/Visible/Sorted/Hovered status flags. Pass -1 to use current column.
IMGUI_APIImGuiTableSortSpecs*TableGetSortSpecs();// get latest sort specs for the table (NULL if not sorting).
IMGUI_APIvoidTableSetBgColor(ImGuiTableBgTargetbg_target,ImU32color,intcolumn_n=-1);// change the color of a cell, row, or column. See ImGuiTableBgTarget_ flags for details.
IMGUI_APIvoidTableSetBgColor(ImGuiTableBgTarget target,ImU32color,intcolumn_n=-1);// change the color of a cell, row, or column. See ImGuiTableBgTarget_ flags for details.
// Legacy Columns API (2020: prefer using Tables!)
// - You can also use SameLine(pos_x) to mimic simplified columns.
@ -1079,6 +1076,7 @@ enum ImGuiTabItemFlags_
};
// Flags for ImGui::BeginTable()
// [BETA API] API may evolve slightly! If you use this, please update to the next version when it comes out!
// - Important! Sizing policies have complex and subtle side effects, more so than you would expect.
// Read comments/demos carefully + experiment with live demos to get acquainted with them.
// - The DEFAULT sizing policies are:
@ -1093,7 +1091,7 @@ enum ImGuiTabItemFlags_
// The typical use of mixing sizing policies is: any number of LEADING Fixed columns, followed by one or two TRAILING Stretch columns.
// (this is because the visible order of columns have subtle but necessary effects on how they react to manual resizing).
// - When ScrollX is on:
// - Table defaults to ImGuiTableFlags_SizingFixedFit -> all Columns defaults to ImGuiTableColumnFlags_WidthFixed or ImGuiTableColumnFlags_WidthAuto.
// - Table defaults to ImGuiTableFlags_SizingFixedFit -> all Columns defaults to ImGuiTableColumnFlags_WidthFixed
// - Fixed Columns can be enlarged as needed. Table will show an horizontal scrollbar if needed.
// - When using auto-resizing (non-resizable) fixed columns, querying the content width to use item right-alignment e.g. SetNextItemWidth(-FLT_MIN) doesn't make sense, would create a feedback loop.
@ -1135,7 +1133,7 @@ enum ImGuiTableFlags_
// Clipping
ImGuiTableFlags_NoClip=1<<19,// Disable clipping rectangle for every individual columns (reduce draw command count, items will be able to overflow into other columns). Generally incompatible with TableSetupScrollFreeze().
// Padding
ImGuiTableFlags_PadOuterX=1<<20,// Default if BordersOuterV is on. Enable outer-most padding.
ImGuiTableFlags_PadOuterX=1<<20,// Default if BordersOuterV is on. Enable outer-most padding. Generally desirable if you have headers.
ImGuiTableFlags_NoPadOuterX=1<<21,// Default if BordersOuterV is off. Disable outer-most padding.
ImGuiTableFlags_NoPadInnerX=1<<22,// Disable inner padding between columns (double inner padding if BordersOuterV is on, single inner padding if BordersOuterV is off).
ImGuiTableColumnFlags_DefaultSort=1<<1,// Default as a sorting column.
ImGuiTableColumnFlags_WidthStretch=1<<2,// Column will stretch. Preferable with horizontal scrolling disabled (default if table sizing policy is _SizingStretchSame or _SizingStretchProp).
ImGuiTableColumnFlags_WidthFixed=1<<3,// Column will not stretch. Preferable with horizontal scrolling enabled (default if table sizing policy is _SizingFixedFit and table is resizable).
ImGuiTableColumnFlags_WidthAuto=1<<4,// Column will not stretch and keep resizing based on submitted contents (default if table sizing policy is _SizingFixedFit and table is not resizable, or policy is _SizingFixedSame). Generally compatible with using right-most fitting widgets (e.g. SetNextItemWidth(-FLT_MIN))
ImGuiTableColumnFlags_NoDirectResize_=1<<30// [Internal] Disable user resizing this column directly (it may however we resized indirectly from its left edge)
// Obsolete names (will be removed soon)
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
//ImGuiTableColumnFlags_WidthAuto = ImGuiTableColumnFlags_WidthFixed | ImGuiTableColumnFlags_NoResize, // Column will not stretch and keep resizing based on submitted contents.
HelpMarker("Using TableSetupColumn() to setup explicit width.\n\nUnless _NoKeepColumnsVisible is set, fixed columns with set width may still be shrunk down if there's not enough space in the host.");
// - outer_size.x = 0.0f -> Auto width. Generally use all available width. When NOT using scrolling and NOT using any Stretch column, use only necessary width, otherwise same as -FLT_MIN.
// - outer_size.x > 0.0f -> Fixed width.
// Y with ScrollX/ScrollY disabled: we output table directly in current window
// - outer_size.y < 0.0f -> Bottom-align (but will auto extend, unless NoHostExtendV is set)
// - outer_size.y = 0.0f -> No minimum height (but will auto extend, unless NoHostExtendV is set)
// - outer_size.y > 0.0f -> Set Minimum height (but will auto extend, unless NoHostExtendV is set)
// - outer_size.y < 0.0f -> Bottom-align (but will auto extend, unless _NoHostExtendY is set). Not meaningful is parent window can vertically scroll.
// - outer_size.y = 0.0f -> No minimum height (but will auto extend, unless _NoHostExtendY is set)
// - outer_size.y > 0.0f -> Set Minimum height (but will auto extend, unless _NoHostExtenY is set)
// Y with ScrollX/ScrollY enabled: using a child window for scrolling
// - outer_size.y < 0.0f -> Bottom-align
// - outer_size.y < 0.0f -> Bottom-align. Not meaningful is parent window can vertically scroll.
// - outer_size.y = 0.0f -> Bottom-align, consistent with BeginChild(). Not recommended unless table is last item in parent window.
// - outer_size.y > 0.0f -> Set Exact height. Recommended when using Scrolling on any axis.
// In theory ImGuiTableFlags_NoHostExtendY could be the default and any non-scrolling tables with outer_size.y != 0.0f would use exact height.
// This would be consistent but perhaps less useful and more confusing (as vertically clipped items are not easily noticeable)
// About default sizing policy (if you don't specify a ImGuiTableColumnFlags_WidthXXXX flag)
// - with Table policy ImGuiTableFlags_SizingFixedFit && (Resizable == 1 || init_width > 0) --> default Column policy is ImGuiTableColumnFlags_WidthFixed, default Width is equal to contents width
// - with Table policy ImGuiTableFlags_SizingFixedFit && (Resizable == 0 && init_width <= 0) --> default Column policy is ImGuiTableColumnFlags_WidthAuto, Width always equal to contents width
// - with Table policy ImGuiTableFlags_SizingFixedSame --> default Column policy is ImGuiTableColumnFlags_WidthAuto, default Width is max of all contents width
// - with Table policy ImGuiTableFlags_SizingStretchSame --> default Column policy is ImGuiTableColumnFlags_WidthStretch, default Weight is 1.0f
// - with Table policy ImGuiTableFlags_SizingStretchWeight --> default Column policy is ImGuiTableColumnFlags_WidthStretch, default Weight is proportional to contents
// - with Table policy ImGuiTableFlags_SizingFixedFit --> default Column policy is ImGuiTableColumnFlags_WidthFixed, default Width is equal to contents width
// - with Table policy ImGuiTableFlags_SizingFixedSame --> default Column policy is ImGuiTableColumnFlags_WidthFixed, default Width is max of all contents width
// - with Table policy ImGuiTableFlags_SizingStretchSame --> default Column policy is ImGuiTableColumnFlags_WidthStretch, default Weight is 1.0f
// - with Table policy ImGuiTableFlags_SizingStretchWeight --> default Column policy is ImGuiTableColumnFlags_WidthStretch, default Weight is proportional to contents
// Default Width and default Weight can be overriden when calling TableSetupColumn().
// - Both TableSetColumnIndex() and TableNextColumn() return true when the column is visible or performing
// width measurements. Otherwise, you may skip submitting the contents of a cell/column, BUT ONLY if you know
// it is not going to contribute to row height.
// In many situations, you may skip submitting contents for every columns but one (e.g. the first one).
// - Case A: column is not hidden by user, and at least partially in sight (most common case).
// - Case B: column is clipped / out of sight (because of scrolling or parent ClipRect): TableNextColumn() return false as a hint but we still allow layout output.
// - Case C: column is hidden explicitly by the user (e.g. via the context menu, or _DefaultHide column flag, etc.).
// Override EndChild/ItemSize max extent with our own to enable auto-resize on the X axis when possible
// Override declared contents width to enable auto-resize on the X axis when possible.
// FIXME-TABLE: This can be improved (e.g. for Fixed columns we don't want to auto AutoFitWidth? or propagate window auto-fit to table?)
if(table->Flags&ImGuiTableFlags_ScrollX)
{
inner_window->DC.CursorMaxPos.x=max_pos_x;// Set contents width for scrolling
outer_window->DC.CursorMaxPos.x=ImMax(backup_outer_max_pos_x,backup_outer_cursor_pos_x+table->ColumnsGivenWidth+inner_window->ScrollbarSizes.x);// For scrolling
}
outer_window->DC.CursorMaxPos.x=ImMax(backup_outer_max_pos.x,table->OuterRect.Min.x+table->ColumnsGivenWidth+inner_window->ScrollbarSizes.x);// For outer scrolling
else
{
outer_window->DC.CursorMaxPos.x=ImMax(backup_outer_max_pos_x,table->WorkRect.Min.x+outer_width);// For auto-fit
outer_window->DC.CursorPosPrevLine.x=table->WorkRect.Max.x;// For consistent reaction to SameLine() // FIXME: Should be a feature of layout/ItemAdd
}
outer_window->DC.CursorMaxPos.x=ImMax(backup_outer_max_pos.x,table->WorkRect.Min.x+outer_width);// For auto-fit
ocornut
4 years ago