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impr: Use ImGui's built-in drag n drop support for bookmarks

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This commit is contained in:
WerWolv 2024-01-08 10:56:53 +01:00
parent 9530100455
commit 3a068b9719
3 changed files with 41 additions and 20 deletions
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1
plugins/builtin/include/content/views/view_bookmarks.hpp
View File

@ -28,7 +28,6 @@ namespace hex::plugin::builtin {
TextEditor editor;
};
std::list<Bookmark>::iterator m_dragStartIterator;
PerProvider<std::list<Bookmark>> m_bookmarks;
PerProvider<u64> m_currBookmarkId;
};

2
plugins/builtin/source/content/tools/color_picker.cpp
View File

@ -86,7 +86,7 @@ namespace hex::plugin::builtin {
drawBitsSlider(&bitValue);
// Configure drag and drop source and target
if (ImGui::BeginDragDropSource(ImGuiDragDropFlags_None)) {
if (ImGui::BeginDragDropSource(ImGuiDragDropFlags_SourceNoPreviewTooltip)) {
// Set the current slider index as the payload
ImGui::SetDragDropPayload("BIT_VALUE", &index, sizeof(u32));

58
plugins/builtin/source/content/views/view_bookmarks.cpp
View File

@ -253,7 +253,6 @@ namespace hex::plugin::builtin {
ImGuiExt::TextFormattedCentered("hex.builtin.view.bookmarks.no_bookmarks"_lang);
}
int id = 1;
auto bookmarkToRemove = m_bookmarks->end();
// Draw all bookmarks
@ -272,34 +271,58 @@ namespace hex::plugin::builtin {
hoverColor.Value.w *= 1.3F;
// Draw bookmark header in the same color as the bookmark was set to
ImGui::PushID(id);
ImGui::PushID(bookmarkId);
ImGui::PushStyleColor(ImGuiCol_Header, color);
ImGui::PushStyleColor(ImGuiCol_HeaderActive, color);
ImGui::PushStyleColor(ImGuiCol_HeaderHovered, u32(hoverColor));
ON_SCOPE_EXIT {
ImGui::PopID();
ImGui::PopStyleColor(3);
id++;
ImGui::PopID();
};
bool open = true;
if (!ImGui::CollapsingHeader(hex::format("{}###bookmark", name).c_str(), locked ? nullptr : &open)) {
// Handle dragging bookmarks up and down when they're collapsed
// Set the currently held bookmark as the one being dragged
if (ImGui::IsMouseClicked(0) && ImGui::IsItemActivated() && m_dragStartIterator == m_bookmarks->end())
m_dragStartIterator = it;
if (ImGui::BeginDragDropSource(ImGuiDragDropFlags_SourceNoHoldToOpenOthers)) {
// Set the payload to the bookmark id
ImGui::SetDragDropPayload("BOOKMARK_PAYLOAD", &bookmarkId, sizeof(bookmarkId));
// When the mouse moved away from the current bookmark, swap the dragged bookmark with the current one
if (ImGui::IsItemHovered() && m_dragStartIterator != m_bookmarks->end()) {
std::iter_swap(it, m_dragStartIterator);
m_dragStartIterator = it;
// Draw drag and drop tooltip
ImGui::ColorButton("##color", headerColor.Value, ImGuiColorEditFlags_NoInputs | ImGuiColorEditFlags_NoTooltip | ImGuiColorEditFlags_NoLabel | ImGuiColorEditFlags_NoAlpha);
ImGui::SameLine();
ImGuiExt::TextFormatted("{}", name);
ImGui::Separator();
if (!comment.empty()) {
ImGui::PushTextWrapPos(300_scaled);
ImGuiExt::TextFormatted("{}", comment);
ImGui::PopTextWrapPos();
}
ImGui::EndDragDropSource();
}
// When the mouse is released, reset the dragged bookmark
if (!ImGui::IsMouseDown(0))
m_dragStartIterator = m_bookmarks->end();
if (ImGui::BeginDragDropTarget()) {
if (auto payload = ImGui::AcceptDragDropPayload("BOOKMARK_PAYLOAD"); payload != nullptr) {
// Receive the bookmark id from the payload
u64 droppedBookmarkId = *static_cast<const u64*>(payload->Data);
// Find the correct bookmark with that id
auto droppedIter = std::ranges::find_if(m_bookmarks->begin(), m_bookmarks->end(), [droppedBookmarkId](const auto &bookmark) {
return bookmark.entry.id == droppedBookmarkId;
});
// Swap the two bookmarks
if (droppedIter != m_bookmarks->end()) {
std::iter_swap(it, droppedIter);
}
}
ImGui::EndDragDropTarget();
}
} else {
const auto rowHeight = ImGui::GetTextLineHeightWithSpacing() + 2 * ImGui::GetStyle().FramePadding.y;
if (ImGui::BeginTable("##bookmark_table", 3, ImGuiTableFlags_RowBg | ImGuiTableFlags_SizingFixedFit)) {
@ -465,15 +488,14 @@ namespace hex::plugin::builtin {
.comment = bookmark["comment"],
.color = bookmark["color"],
.locked = bookmark["locked"],
.id = bookmark.contains("id") ? bookmark["id"].get<u64>() : *m_currBookmarkId
.id = bookmark.contains("id") ? bookmark["id"].get<u64>() : m_currBookmarkId.get(provider)
},
editor
});
if (bookmark.contains("id"))
m_currBookmarkId = std::max<u64>(m_currBookmarkId, bookmark["id"].get<i64>() + 1);
m_currBookmarkId.get(provider) = std::max<u64>(m_currBookmarkId.get(provider), bookmark["id"].get<i64>() + 1);
else
m_currBookmarkId += 1;
m_currBookmarkId.get(provider) += 1;
}
return true;