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Docking: Fixed faulty undocking of windows with the _NoMove flag. (#2325, #2109)

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Whereas BeginAsDockableDragDropTarget could be reworked to filter, we simply set g.HoveredWindowUnderMovingWindow to be NULL when MovingWindow is not set, which was the initial intent.
Also fixed some comments and removed unused braces in TabItemEx().
This commit is contained in:
omar 2019-01-31 14:59:45 +01:00
parent 578e15f006
commit 5536edede9
3 changed files with 20 additions and 22 deletions
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30
imgui_widgets.cpp
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@ -6525,27 +6525,25 @@ bool ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open,
}
// Extract a Dockable window out of it's tab bar
if (docked_window != NULL)
if (docked_window != NULL && !(docked_window->Flags & ImGuiWindowFlags_NoMove))
{
// We use a variable threshold to distinguish dragging tabs within a tab bar and extracting them out of the tab bar
bool undocking_tab = (g.DragDropActive && g.DragDropPayload.SourceId == id);
if (!undocking_tab)
{
//if (!g.IO.ConfigDockingWithShift || g.IO.KeyShift)
{
float threshold_base = g.FontSize;
//float threshold_base = g.IO.ConfigDockingWithShift ? g.FontSize * 0.5f : g.FontSize;
float threshold_x = (threshold_base * 2.2f);
float threshold_y = (threshold_base * 1.5f) + ImClamp((ImFabs(g.IO.MouseDragMaxDistanceAbs[0].x) - threshold_base * 2.0f) * 0.20f, 0.0f, threshold_base * 4.0f);
//GetOverlayDrawList(window)->AddRect(ImVec2(bb.Min.x - threshold_x, bb.Min.y - threshold_y), ImVec2(bb.Max.x + threshold_x, bb.Max.y + threshold_y), IM_COL32_WHITE); // [DEBUG]
float distance_from_edge_y = ImMax(bb.Min.y - g.IO.MousePos.y, g.IO.MousePos.y - bb.Max.y);
if (distance_from_edge_y >= threshold_y)
if (!undocking_tab) //&& (!g.IO.ConfigDockingWithShift || g.IO.KeyShift)
{
float threshold_base = g.FontSize;
//float threshold_base = g.IO.ConfigDockingWithShift ? g.FontSize * 0.5f : g.FontSize;
float threshold_x = (threshold_base * 2.2f);
float threshold_y = (threshold_base * 1.5f) + ImClamp((ImFabs(g.IO.MouseDragMaxDistanceAbs[0].x) - threshold_base * 2.0f) * 0.20f, 0.0f, threshold_base * 4.0f);
//GetOverlayDrawList(window)->AddRect(ImVec2(bb.Min.x - threshold_x, bb.Min.y - threshold_y), ImVec2(bb.Max.x + threshold_x, bb.Max.y + threshold_y), IM_COL32_WHITE); // [DEBUG]
float distance_from_edge_y = ImMax(bb.Min.y - g.IO.MousePos.y, g.IO.MousePos.y - bb.Max.y);
if (distance_from_edge_y >= threshold_y)
undocking_tab = true;
else if (drag_distance_from_edge_x > threshold_x)
if ((tab_bar->ReorderRequestDir < 0 && tab_bar->GetTabOrder(tab) == 0) || (tab_bar->ReorderRequestDir > 0 && tab_bar->GetTabOrder(tab) == tab_bar->Tabs.Size - 1))
undocking_tab = true;
else if (drag_distance_from_edge_x > threshold_x)
if ((tab_bar->ReorderRequestDir < 0 && tab_bar->GetTabOrder(tab) == 0) || (tab_bar->ReorderRequestDir > 0 && tab_bar->GetTabOrder(tab) == tab_bar->Tabs.Size - 1))
undocking_tab = true;
}
}
if (undocking_tab)