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Docking: reinstate io.ConfigDockingWithShift option. (#4643)

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This more or less reverts commit 3ed07a8f0b.
This commit is contained in:
ocornut
2021-10-13 16:45:43 +02:00
parent 1b215ecb01
commit 29653273c1
4 changed files with 31 additions and 10 deletions
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11
imgui.cpp
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@ -1124,6 +1124,7 @@ ImGuiIO::ImGuiIO()
// Docking options (when ImGuiConfigFlags_DockingEnable is set)
ConfigDockingNoSplit = false;
ConfigDockingWithShift = false;
ConfigDockingAlwaysTabBar = false;
ConfigDockingTransparentPayload = false;
@ -6836,7 +6837,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
{
// Docking: Dragging a dockable window (or any of its child) turns it into a drag and drop source.
// We need to do this _before_ we overwrite window->DC.LastItemId below because BeginDockableDragDropSource() also overwrites it.
if (g.MovingWindow == window && g.IO.KeyShift == false)
if ((g.MovingWindow == window) && (g.IO.ConfigDockingWithShift == g.IO.KeyShift))
if ((window->RootWindowDockTree->Flags & ImGuiWindowFlags_NoDocking) == 0)
BeginDockableDragDropSource(window);
@ -14781,9 +14782,9 @@ static void ImGui::DockNodePreviewDockSetup(ImGuiWindow* host_window, ImGuiDockN
}
}
// We only allow and preview docking when hovering over a drop rect or over the title bar
// When docking without holding Shift, we only allow and preview docking when hovering over a drop rect or over the title bar
data->IsDropAllowed = (data->SplitDir != ImGuiDir_None) || (data->IsCenterAvailable);
if (!is_explicit_target && !data->IsSplitDirExplicit)
if (!is_explicit_target && !data->IsSplitDirExplicit && !g.IO.ConfigDockingWithShift)
data->IsDropAllowed = false;
// Calculate split area
@ -16078,7 +16079,7 @@ void ImGui::BeginDockableDragDropSource(ImGuiWindow* window)
g.LastItemData.ID = window->MoveId;
window = window->RootWindowDockTree;
IM_ASSERT((window->Flags & ImGuiWindowFlags_NoDocking) == 0);
bool is_drag_docking = ImRect(0, 0, window->SizeFull.x, GetFrameHeight()).Contains(g.ActiveIdClickOffset); // FIXME-DOCKING: Need to make this stateful and explicit
bool is_drag_docking = (g.IO.ConfigDockingWithShift) || ImRect(0, 0, window->SizeFull.x, GetFrameHeight()).Contains(g.ActiveIdClickOffset); // FIXME-DOCKING: Need to make this stateful and explicit
if (is_drag_docking && BeginDragDropSource(ImGuiDragDropFlags_SourceNoPreviewTooltip | ImGuiDragDropFlags_SourceNoHoldToOpenOthers | ImGuiDragDropFlags_SourceAutoExpirePayload))
{
SetDragDropPayload(IMGUI_PAYLOAD_TYPE_WINDOW, &window, sizeof(window));
@ -16139,7 +16140,7 @@ void ImGui::BeginDockableDragDropTarget(ImGuiWindow* window)
}
const ImRect explicit_target_rect = (node && node->TabBar && !node->IsHiddenTabBar() && !node->IsNoTabBar()) ? node->TabBar->BarRect : ImRect(window->Pos, window->Pos + ImVec2(window->Size.x, GetFrameHeight()));
const bool is_explicit_target = IsMouseHoveringRect(explicit_target_rect.Min, explicit_target_rect.Max);
const bool is_explicit_target = g.IO.ConfigDockingWithShift || IsMouseHoveringRect(explicit_target_rect.Min, explicit_target_rect.Max);
// Preview docking request and find out split direction/ratio
//const bool do_preview = true; // Ignore testing for payload->IsPreview() which removes one frame of delay, but breaks overlapping drop targets within the same window.