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replace cimgui with dcimgui

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This commit is contained in:
Mitchell Hashimoto
2025-12-31 10:10:03 -08:00
parent 3bd898603a
commit 978400b0b0
12 changed files with 524 additions and 570 deletions
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63
src/apprt/embedded.zig
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@@ -947,7 +947,7 @@ pub const Surface = struct {
/// Inspector is the state required for the terminal inspector. A terminal
/// inspector is 1:1 with a Surface.
pub const Inspector = struct {
const cimgui = @import("cimgui");
const cimgui = @import("dcimgui");
surface: *Surface,
ig_ctx: *cimgui.c.ImGuiContext,
@@ -968,10 +968,10 @@ pub const Inspector = struct {
};
pub fn init(surface: *Surface) !Inspector {
const ig_ctx = cimgui.c.igCreateContext(null) orelse return error.OutOfMemory;
errdefer cimgui.c.igDestroyContext(ig_ctx);
cimgui.c.igSetCurrentContext(ig_ctx);
const io: *cimgui.c.ImGuiIO = cimgui.c.igGetIO();
const ig_ctx = cimgui.c.ImGui_CreateContext(null) orelse return error.OutOfMemory;
errdefer cimgui.c.ImGui_DestroyContext(ig_ctx);
cimgui.c.ImGui_SetCurrentContext(ig_ctx);
const io: *cimgui.c.ImGuiIO = cimgui.c.ImGui_GetIO();
io.BackendPlatformName = "ghostty_embedded";
// Setup our core inspector
@@ -988,9 +988,9 @@ pub const Inspector = struct {
pub fn deinit(self: *Inspector) void {
self.surface.core_surface.deactivateInspector();
cimgui.c.igSetCurrentContext(self.ig_ctx);
cimgui.c.ImGui_SetCurrentContext(self.ig_ctx);
if (self.backend) |v| v.deinit();
cimgui.c.igDestroyContext(self.ig_ctx);
cimgui.c.ImGui_DestroyContext(self.ig_ctx);
}
/// Queue a render for the next frame.
@@ -1001,7 +1001,7 @@ pub const Inspector = struct {
/// Initialize the inspector for a metal backend.
pub fn initMetal(self: *Inspector, device: objc.Object) bool {
defer device.msgSend(void, objc.sel("release"), .{});
cimgui.c.igSetCurrentContext(self.ig_ctx);
cimgui.c.ImGui_SetCurrentContext(self.ig_ctx);
if (self.backend) |v| {
v.deinit();
@@ -1036,7 +1036,7 @@ pub const Inspector = struct {
for (0..2) |_| {
cimgui.ImGui_ImplMetal_NewFrame(desc.value);
try self.newFrame();
cimgui.c.igNewFrame();
cimgui.c.ImGui_NewFrame();
// Build our UI
render: {
@@ -1046,7 +1046,7 @@ pub const Inspector = struct {
}
// Render
cimgui.c.igRender();
cimgui.c.ImGui_Render();
}
// MTLRenderCommandEncoder
@@ -1057,7 +1057,7 @@ pub const Inspector = struct {
);
defer encoder.msgSend(void, objc.sel("endEncoding"), .{});
cimgui.ImGui_ImplMetal_RenderDrawData(
cimgui.c.igGetDrawData(),
cimgui.c.ImGui_GetDrawData(),
command_buffer.value,
encoder.value,
);
@@ -1065,22 +1065,21 @@ pub const Inspector = struct {
pub fn updateContentScale(self: *Inspector, x: f64, y: f64) void {
_ = y;
cimgui.c.igSetCurrentContext(self.ig_ctx);
cimgui.c.ImGui_SetCurrentContext(self.ig_ctx);
// Cache our scale because we use it for cursor position calculations.
self.content_scale = x;
// Setup a new style and scale it appropriately.
const style = cimgui.c.ImGuiStyle_ImGuiStyle();
defer cimgui.c.ImGuiStyle_destroy(style);
cimgui.c.ImGuiStyle_ScaleAllSizes(style, @floatCast(x));
const active_style = cimgui.c.igGetStyle();
active_style.* = style.*;
var style: cimgui.c.ImGuiStyle = .{};
cimgui.c.ImGuiStyle_ScaleAllSizes(&style, @floatCast(x));
const active_style = cimgui.c.ImGui_GetStyle();
active_style.* = style;
}
pub fn updateSize(self: *Inspector, width: u32, height: u32) void {
cimgui.c.igSetCurrentContext(self.ig_ctx);
const io: *cimgui.c.ImGuiIO = cimgui.c.igGetIO();
cimgui.c.ImGui_SetCurrentContext(self.ig_ctx);
const io: *cimgui.c.ImGuiIO = cimgui.c.ImGui_GetIO();
io.DisplaySize = .{ .x = @floatFromInt(width), .y = @floatFromInt(height) };
}
@@ -1093,8 +1092,8 @@ pub const Inspector = struct {
_ = mods;
self.queueRender();
cimgui.c.igSetCurrentContext(self.ig_ctx);
const io: *cimgui.c.ImGuiIO = cimgui.c.igGetIO();
cimgui.c.ImGui_SetCurrentContext(self.ig_ctx);
const io: *cimgui.c.ImGuiIO = cimgui.c.ImGui_GetIO();
const imgui_button = switch (button) {
.left => cimgui.c.ImGuiMouseButton_Left,
@@ -1115,8 +1114,8 @@ pub const Inspector = struct {
_ = mods;
self.queueRender();
cimgui.c.igSetCurrentContext(self.ig_ctx);
const io: *cimgui.c.ImGuiIO = cimgui.c.igGetIO();
cimgui.c.ImGui_SetCurrentContext(self.ig_ctx);
const io: *cimgui.c.ImGuiIO = cimgui.c.ImGui_GetIO();
cimgui.c.ImGuiIO_AddMouseWheelEvent(
io,
@floatCast(xoff),
@@ -1126,8 +1125,8 @@ pub const Inspector = struct {
pub fn cursorPosCallback(self: *Inspector, x: f64, y: f64) void {
self.queueRender();
cimgui.c.igSetCurrentContext(self.ig_ctx);
const io: *cimgui.c.ImGuiIO = cimgui.c.igGetIO();
cimgui.c.ImGui_SetCurrentContext(self.ig_ctx);
const io: *cimgui.c.ImGuiIO = cimgui.c.ImGui_GetIO();
cimgui.c.ImGuiIO_AddMousePosEvent(
io,
@floatCast(x * self.content_scale),
@@ -1137,15 +1136,15 @@ pub const Inspector = struct {
pub fn focusCallback(self: *Inspector, focused: bool) void {
self.queueRender();
cimgui.c.igSetCurrentContext(self.ig_ctx);
const io: *cimgui.c.ImGuiIO = cimgui.c.igGetIO();
cimgui.c.ImGui_SetCurrentContext(self.ig_ctx);
const io: *cimgui.c.ImGuiIO = cimgui.c.ImGui_GetIO();
cimgui.c.ImGuiIO_AddFocusEvent(io, focused);
}
pub fn textCallback(self: *Inspector, text: [:0]const u8) void {
self.queueRender();
cimgui.c.igSetCurrentContext(self.ig_ctx);
const io: *cimgui.c.ImGuiIO = cimgui.c.igGetIO();
cimgui.c.ImGui_SetCurrentContext(self.ig_ctx);
const io: *cimgui.c.ImGuiIO = cimgui.c.ImGui_GetIO();
cimgui.c.ImGuiIO_AddInputCharactersUTF8(io, text.ptr);
}
@@ -1156,8 +1155,8 @@ pub const Inspector = struct {
mods: input.Mods,
) !void {
self.queueRender();
cimgui.c.igSetCurrentContext(self.ig_ctx);
const io: *cimgui.c.ImGuiIO = cimgui.c.igGetIO();
cimgui.c.ImGui_SetCurrentContext(self.ig_ctx);
const io: *cimgui.c.ImGuiIO = cimgui.c.ImGui_GetIO();
// Update all our modifiers
cimgui.c.ImGuiIO_AddKeyEvent(io, cimgui.c.ImGuiKey_LeftShift, mods.shift);
@@ -1176,7 +1175,7 @@ pub const Inspector = struct {
}
fn newFrame(self: *Inspector) !void {
const io: *cimgui.c.ImGuiIO = cimgui.c.igGetIO();
const io: *cimgui.c.ImGuiIO = cimgui.c.ImGui_GetIO();
// Determine our delta time
const now = try std.time.Instant.now();