feat: finish ghostty pane backend integration

1 files changed, 77 insertions, 0 deletions

diff --git a/vendor/libghostty-vt/pkg/dcimgui/main.zig b/vendor/libghostty-vt/pkg/dcimgui/main.zig
new file mode 100644
index 00000000..40a4325c
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/dcimgui/main.zig
@@ -0,0 +1,77 @@
+pub const build_options = @import("build_options");
+
+pub const c = @cImport({
+    // This is set during the build so it also has to be set
+    // 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");
+});
+
+// OpenGL3 backend
+pub extern fn ImGui_ImplOpenGL3_Init(glsl_version: ?[*:0]const u8) callconv(.c) bool;
+pub extern fn ImGui_ImplOpenGL3_Shutdown() callconv(.c) void;
+pub extern fn ImGui_ImplOpenGL3_NewFrame() callconv(.c) void;
+pub extern fn ImGui_ImplOpenGL3_RenderDrawData(draw_data: *c.ImDrawData) callconv(.c) void;
+
+// Extension: shutdown the OpenGL3 backend and zero out the imgl3w function
+// pointer table so a subsequent Init can re-initialize the loader.
+pub extern fn ImGui_ImplOpenGL3_ShutdownWithLoaderCleanup() callconv(.c) void;
+
+// Metal backend
+pub extern fn ImGui_ImplMetal_Init(device: *anyopaque) callconv(.c) bool;
+pub extern fn ImGui_ImplMetal_Shutdown() callconv(.c) void;
+pub extern fn ImGui_ImplMetal_NewFrame(render_pass_descriptor: *anyopaque) callconv(.c) void;
+pub extern fn ImGui_ImplMetal_RenderDrawData(draw_data: *c.ImDrawData, command_buffer: *anyopaque, command_encoder: *anyopaque) callconv(.c) void;
+
+// OSX
+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 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
+pub const ext = struct {
+    pub extern fn ImFontConfig_ImFontConfig(self: *c.ImFontConfig) callconv(.c) void;
+    pub extern fn ImGuiStyle_ImGuiStyle(self: *c.ImGuiStyle) callconv(.c) void;
+};
+
+test {
+    _ = c;
+}