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pkg/dcimgui: expose more private dockbuilder stuff

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This commit is contained in:
Mitchell Hashimoto
2026-01-27 20:47:21 -08:00
parent 7073fb88f4
commit a25e91bb25
2 changed files with 32 additions and 1 deletions
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1
pkg/dcimgui/build.zig
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@@ -49,6 +49,7 @@ pub fn build(b: *std.Build) !void {
var flags: std.ArrayList([]const u8) = .empty;
defer flags.deinit(b.allocator);
try flags.appendSlice(b.allocator, &.{
"-DIMGUI_HAS_DOCK=1",
"-DIMGUI_USE_WCHAR32=1",
"-DIMGUI_DISABLE_OBSOLETE_FUNCTIONS=1",
});

32
pkg/dcimgui/main.zig
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@@ -5,6 +5,8 @@ pub const c = @cImport({
// during import time to get the right types. Without this
// you get stack size mismatches on some structs.
@cDefine("IMGUI_USE_WCHAR32", "1");
@cDefine("IMGUI_HAS_DOCK", "1");
@cInclude("dcimgui.h");
});
@@ -25,11 +27,39 @@ pub extern fn ImGui_ImplOSX_Init(*anyopaque) callconv(.c) bool;
pub extern fn ImGui_ImplOSX_Shutdown() callconv(.c) void;
pub extern fn ImGui_ImplOSX_NewFrame(*anyopaque) callconv(.c) void;
// Internal API functions from dcimgui_internal.h
// Internal API types and functions from dcimgui_internal.h
// We declare these manually because the internal header contains bitfields
// that Zig's cImport cannot translate.
pub const ImGuiDockNodeFlagsPrivate = struct {
pub const DockSpace: c.ImGuiDockNodeFlags = 1 << 10;
pub const CentralNode: c.ImGuiDockNodeFlags = 1 << 11;
pub const NoTabBar: c.ImGuiDockNodeFlags = 1 << 12;
pub const HiddenTabBar: c.ImGuiDockNodeFlags = 1 << 13;
pub const NoWindowMenuButton: c.ImGuiDockNodeFlags = 1 << 14;
pub const NoCloseButton: c.ImGuiDockNodeFlags = 1 << 15;
pub const NoResizeX: c.ImGuiDockNodeFlags = 1 << 16;
pub const NoResizeY: c.ImGuiDockNodeFlags = 1 << 17;
pub const DockedWindowsInFocusRoute: c.ImGuiDockNodeFlags = 1 << 18;
pub const NoDockingSplitOther: c.ImGuiDockNodeFlags = 1 << 19;
pub const NoDockingOverMe: c.ImGuiDockNodeFlags = 1 << 20;
pub const NoDockingOverOther: c.ImGuiDockNodeFlags = 1 << 21;
pub const NoDockingOverEmpty: c.ImGuiDockNodeFlags = 1 << 22;
};
pub extern fn ImGui_DockBuilderDockWindow(window_name: [*:0]const u8, node_id: c.ImGuiID) callconv(.c) void;
pub extern fn ImGui_DockBuilderGetNode(node_id: c.ImGuiID) callconv(.c) ?*anyopaque;
pub extern fn ImGui_DockBuilderGetCentralNode(node_id: c.ImGuiID) callconv(.c) ?*anyopaque;
pub extern fn ImGui_DockBuilderAddNode() callconv(.c) c.ImGuiID;
pub extern fn ImGui_DockBuilderAddNodeEx(node_id: c.ImGuiID, flags: c.ImGuiDockNodeFlags) callconv(.c) c.ImGuiID;
pub extern fn ImGui_DockBuilderRemoveNode(node_id: c.ImGuiID) callconv(.c) void;
pub extern fn ImGui_DockBuilderRemoveNodeDockedWindows(node_id: c.ImGuiID) callconv(.c) void;
pub extern fn ImGui_DockBuilderRemoveNodeDockedWindowsEx(node_id: c.ImGuiID, clear_settings_refs: bool) callconv(.c) void;
pub extern fn ImGui_DockBuilderRemoveNodeChildNodes(node_id: c.ImGuiID) callconv(.c) void;
pub extern fn ImGui_DockBuilderSetNodePos(node_id: c.ImGuiID, pos: c.ImVec2) callconv(.c) void;
pub extern fn ImGui_DockBuilderSetNodeSize(node_id: c.ImGuiID, size: c.ImVec2) callconv(.c) void;
pub extern fn ImGui_DockBuilderSplitNode(node_id: c.ImGuiID, split_dir: c.ImGuiDir, size_ratio_for_node_at_dir: f32, out_id_at_dir: *c.ImGuiID, out_id_at_opposite_dir: *c.ImGuiID) callconv(.c) c.ImGuiID;
pub extern fn ImGui_DockBuilderCopyDockSpace(src_dockspace_id: c.ImGuiID, dst_dockspace_id: c.ImGuiID, in_window_remap_pairs: *c.ImVector_const_charPtr) callconv(.c) void;
pub extern fn ImGui_DockBuilderCopyNode(src_node_id: c.ImGuiID, dst_node_id: c.ImGuiID, out_node_remap_pairs: *c.ImVector_ImGuiID) callconv(.c) void;
pub extern fn ImGui_DockBuilderCopyWindowSettings(src_name: [*:0]const u8, dst_name: [*:0]const u8) callconv(.c) void;
pub extern fn ImGui_DockBuilderFinish(node_id: c.ImGuiID) callconv(.c) void;
// Extension functions from ext.cpp