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allow Node/Ref to accept drag&drop

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This commit is contained in:
falsycat
2022-06-16 10:29:35 +09:00
parent 9ff6339fe4
commit 6eaab065aa
8 changed files with 177 additions and 46 deletions
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12
file/luajit_node.cc
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@@ -19,6 +19,7 @@
#include "common/generic_context.hh"
#include "common/generic_type_info.hh"
#include "common/generic_watcher.hh"
#include "common/gui_dnd.hh"
#include "common/lambda.hh"
#include "common/logger_ref.hh"
#include "common/luajit_obj.hh"
@@ -47,7 +48,8 @@ class Node final : public nf7::File, public nf7::DirItem, public nf7::Node {
Node(Env& env, File::Path&& path = {}, std::string_view desc = "",
std::vector<std::string>&& in = {},
std::vector<std::string>&& out = {}) noexcept :
File(kType, env), DirItem(DirItem::kMenu | DirItem::kTooltip),
File(kType, env),
DirItem(DirItem::kMenu | DirItem::kTooltip | DirItem::kDragDropTarget),
log_(std::make_shared<nf7::LoggerRef>()),
obj_(*this, std::move(path)), desc_(desc) {
input_ = std::move(in);
@@ -84,6 +86,7 @@ class Node final : public nf7::File, public nf7::DirItem, public nf7::Node {
static void UpdateList(std::vector<std::string>&) noexcept;
void UpdateMenu() noexcept override;
void UpdateTooltip() noexcept override;
void UpdateDragDropTarget() noexcept override;
void UpdateNode(Node::Editor&) noexcept override;
File::Interface* interface(const std::type_info& t) noexcept override {
@@ -404,6 +407,13 @@ void Node::UpdateTooltip() noexcept {
ImGui::TextUnformatted(desc_.c_str());
}
ImGui::Unindent();
ImGui::TextDisabled("drop a file here to set it as source");
}
void Node::UpdateDragDropTarget() noexcept {
if (auto p = gui::dnd::Accept<Path>(gui::dnd::kFilePath)) {
obj_ = std::move(*p);
}
}
void Node::UpdateNode(Node::Editor&) noexcept {
}

11
file/luajit_obj.cc
View File

@@ -18,6 +18,7 @@
#include "common/generic_context.hh"
#include "common/generic_type_info.hh"
#include "common/generic_watcher.hh"
#include "common/gui_dnd.hh"
#include "common/lock.hh"
#include "common/luajit.hh"
#include "common/luajit_obj.hh"
@@ -46,7 +47,8 @@ class Obj final : public nf7::File,
class ExecTask;
Obj(Env& env, Path&& path = {}) noexcept :
File(kType, env), DirItem(DirItem::kTooltip | DirItem::kMenu),
File(kType, env),
DirItem(DirItem::kTooltip | DirItem::kMenu | DirItem::kDragDropTarget),
log_(std::make_shared<nf7::LoggerRef>()),
src_(*this, std::move(path)) {
}
@@ -65,6 +67,7 @@ class Obj final : public nf7::File,
void Update() noexcept override;
void UpdateMenu() noexcept override;
void UpdateTooltip() noexcept override;
void UpdateDragDropTarget() noexcept override;
nf7::Future<std::shared_ptr<nf7::luajit::Ref>> Build() noexcept override;
@@ -314,6 +317,12 @@ void Obj::UpdateMenu() noexcept {
void Obj::UpdateTooltip() noexcept {
ImGui::Text("source: %s", src_.path().Stringify().c_str());
ImGui::Text("cache : %d", cache_? cache_->index(): -1);
ImGui::TextDisabled("drop a file here to set it as source");
}
void Obj::UpdateDragDropTarget() noexcept {
if (auto p = gui::dnd::Accept<Path>(gui::dnd::kFilePath)) {
src_ = std::move(*p);
}
}
}

81
file/node_ref.cc
View File

@@ -18,6 +18,7 @@
#include "common/generic_context.hh"
#include "common/generic_memento.hh"
#include "common/generic_type_info.hh"
#include "common/gui_dnd.hh"
#include "common/gui_node.hh"
#include "common/lambda.hh"
#include "common/logger_ref.hh"
@@ -41,16 +42,11 @@ class Ref final : public nf7::File, public nf7::Node {
std::vector<std::string>&& out = {}) noexcept :
File(kType, env),
mem_(*this, {*this, std::move(path), std::move(in), std::move(out)}) {
auto& d = mem_.data();
d.input = std::move(in);
d.output = std::move(out);
CopySock();
}
Ref(Env& env, Deserializer& ar) : Ref(env) {
auto& d = mem_.data();
ar(d.target, d.input, d.output);
CopySock();
}
void Serialize(Serializer& ar) const noexcept override {
const auto& d = mem_.data();
@@ -60,15 +56,21 @@ class Ref final : public nf7::File, public nf7::Node {
const auto& d = mem_.data();
return std::make_unique<Ref>(
env, Path{d.target.path()},
std::vector<std::string>{d.input}, std::vector<std::string>{d.output});
std::vector<std::string>{input_}, std::vector<std::string>{output_});
}
std::shared_ptr<nf7::Lambda> CreateLambda() noexcept override;
void Handle(const Event& ev) noexcept {
const auto& d = mem_.data();
switch (ev.type) {
case Event::kAdd:
log_.SetUp(*this);
/* fallthrough */
case Event::kUpdate:
input_ = d.input;
output_ = d.output;
return;
case Event::kRemove:
log_.TearDown();
@@ -106,35 +108,42 @@ class Ref final : public nf7::File, public nf7::Node {
nf7::GenericMemento<Data> mem_;
void Sync(bool quiet = true) noexcept
try {
auto& n = target();
void SyncQuiet() noexcept {
auto& d = mem_.data();
try {
auto& n = target();
const auto i = n.input();
d.input = std::vector<std::string>{i.begin(), i.end()};
const auto i = n.input();
d.input = std::vector<std::string>{i.begin(), i.end()};
const auto o = n.output();
d.output = std::vector<std::string>{o.begin(), o.end()};
CopySock(quiet);
} catch (nf7::Exception& e) {
log_.Error("failed to sync: "+e.msg());
const auto o = n.output();
d.output = std::vector<std::string>{o.begin(), o.end()};
} catch (nf7::Exception& e) {
d.input = {};
d.output = {};
log_.Error("failed to sync: "+e.msg());
}
}
void CopySock(bool quiet = true) noexcept {
std::vector<std::string> in, out;
if (!quiet) {
in = std::move(input_);
out = std::move(output_);
}
void Sync() noexcept {
SyncQuiet();
const auto& d = mem_.data();
input_ = d.input;
output_ = d.output;
if (!quiet) {
if (in != input_ || out != output_) Touch();
if (input_ != d.input || output_ != d.output) {
mem_.Commit();
}
}
void ExecChangePath(Path&& p) noexcept {
auto& target = mem_.data().target;
if (p == target.path()) return;
env().ExecMain(
std::make_shared<nf7::GenericContext>(*this, "change path"),
[this, &target, p = std::move(p)]() mutable {
target = std::move(p);
SyncQuiet();
mem_.Commit();
});
}
nf7::Node& target() const {
auto& f = *mem_.data().target;
if (&f == this) throw nf7::Exception("self reference");
@@ -242,15 +251,7 @@ void Ref::Update() noexcept {
if (!err && (ImGui::Button("ok") || submit)) {
ImGui::CloseCurrentPopup();
if (path != d.target.path()) {
env().ExecMain(
std::make_shared<nf7::GenericContext>(*this, "change path"),
[this, path = std::move(path)]() {
mem_.data().target = std::move(path);
Sync(true /* = quiet */);
mem_.Commit();
});
}
ExecChangePath(std::move(path));
}
ImGui::EndPopup();
}
@@ -264,7 +265,7 @@ void Ref::UpdateNode(Node::Editor&) noexcept {
if (ImGui::SmallButton("sync")) {
env().ExecMain(
std::make_shared<nf7::GenericContext>(*this, "synchornizing with target node"),
[this]() { Sync(false /* = quiet */); });
[this]() { Sync(); });
}
const auto pathstr = mem_.data().target.path().Stringify();
@@ -288,6 +289,12 @@ void Ref::UpdateNode(Node::Editor&) noexcept {
if (ImGui::Button(pathstr.c_str(), {w, 0})) {
popup_ = "ConfigPopup";
}
if (ImGui::BeginDragDropTarget()) {
if (auto p = gui::dnd::Accept<Path>(gui::dnd::kFilePath)) {
ExecChangePath(std::move(*p));
}
ImGui::EndDragDropTarget();
}
const auto right = ImGui::GetCursorPosX() + w;
ImGui::BeginGroup();

21
file/system_dir.cc
View File

@@ -15,6 +15,7 @@
#include "common/dir_item.hh"
#include "common/generic_context.hh"
#include "common/generic_type_info.hh"
#include "common/gui_dnd.hh"
#include "common/gui_file.hh"
#include "common/gui_window.hh"
#include "common/ptr_selector.hh"
@@ -236,8 +237,7 @@ void Dir::UpdateTree() noexcept {
flags |= ImGuiTreeNodeFlags_Leaf;
}
const bool open = ImGui::TreeNodeEx(
item.second.get(), flags, "%s", name.c_str());
const bool open = ImGui::TreeNodeEx(item.second.get(), flags, "%s", name.c_str());
// tooltip
if (ImGui::IsItemHovered()) {
@@ -274,6 +274,23 @@ void Dir::UpdateTree() noexcept {
ImGui::EndPopup();
}
// dnd source
if (ImGui::BeginDragDropSource()) {
gui::dnd::Send(gui::dnd::kFilePath, item.second->abspath());
ImGui::TextUnformatted(file.type().name().c_str());
ImGui::SameLine();
ImGui::TextDisabled(file.abspath().Stringify().c_str());
ImGui::EndDragDropSource();
}
// dnd target
if (ditem && (ditem->flags() & DirItem::kDragDropTarget)) {
if (ImGui::BeginDragDropTarget()) {
ditem->UpdateDragDropTarget();
ImGui::EndDragDropTarget();
}
}
// displayed contents
if (open) {
ImGui::TreePush(&file);