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Drag and Drop: Fixed using BeginDragDropSource() within a Begin()/BeginChild() that returned false. (#4515) + BeginDragDropTarget()
Note how 79ae6d3b
adedd a SkipItems test in BeginDragDropTargetCustom() only.
Catching this similar to work needed to neatly represent the error in #4375 #4158, #4008, #2562
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@ -52,6 +52,7 @@ Other Changes:
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- Nav: Fixed toggling menu layer with Alt or exiting menu layer with Esc not moving mouse when
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the NavEnableSetMousePos config flag is set.
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- Menus: adjust closing logic to accomodate for varying font size and dpi.
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- Drag and Drop: Fixed using BeginDragDropSource() inside a BeginChild() that returned false. (#4515)
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- PlotHistogram: Fixed zero-line position when manually specifying min<0 and max>0. (#4349) [@filippocrocchini]
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- IO: Added 'io.WantCaptureMouseUnlessPopupClose' alternative to `io.WantCaptureMouse'. (#4480)
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This allows apps to receive the click on void when that click is used to close popup (by default,
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13
imgui.cpp
13
imgui.cpp
@ -7813,6 +7813,7 @@ ImVec2 ImGui::GetWindowContentRegionMax()
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// Lock horizontal starting position + capture group bounding box into one "item" (so you can use IsItemHovered() or layout primitives such as SameLine() on whole group, etc.)
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// Groups are currently a mishmash of functionalities which should perhaps be clarified and separated.
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// FIXME-OPT: Could we safely early out on ->SkipItems?
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void ImGui::BeginGroup()
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{
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ImGuiContext& g = *GImGui;
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@ -9978,14 +9979,16 @@ bool ImGui::BeginDragDropSource(ImGuiDragDropFlags flags)
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return false;
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if (g.ActiveIdMouseButton != -1)
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mouse_button = g.ActiveIdMouseButton;
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if (g.IO.MouseDown[mouse_button] == false)
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if (g.IO.MouseDown[mouse_button] == false || window->SkipItems)
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return false;
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g.ActiveIdAllowOverlap = false;
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}
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else
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{
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// Uncommon path: items without ID
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if (g.IO.MouseDown[mouse_button] == false)
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if (g.IO.MouseDown[mouse_button] == false || window->SkipItems)
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return false;
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if ((g.LastItemData.StatusFlags & ImGuiItemStatusFlags_HoveredRect) == 0 && (g.ActiveId == 0 || g.ActiveIdWindow != window))
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return false;
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// If you want to use BeginDragDropSource() on an item with no unique identifier for interaction, such as Text() or Image(), you need to:
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@ -9996,10 +9999,6 @@ bool ImGui::BeginDragDropSource(ImGuiDragDropFlags flags)
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return false;
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}
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// Early out
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if ((g.LastItemData.StatusFlags & ImGuiItemStatusFlags_HoveredRect) == 0 && (g.ActiveId == 0 || g.ActiveIdWindow != window))
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return false;
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// Magic fallback (=somehow reprehensible) to handle items with no assigned ID, e.g. Text(), Image()
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// We build a throwaway ID based on current ID stack + relative AABB of items in window.
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// THE IDENTIFIER WON'T SURVIVE ANY REPOSITIONING OF THE WIDGET, so if your widget moves your dragging operation will be canceled.
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@ -10165,7 +10164,7 @@ bool ImGui::BeginDragDropTarget()
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if (!(g.LastItemData.StatusFlags & ImGuiItemStatusFlags_HoveredRect))
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return false;
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ImGuiWindow* hovered_window = g.HoveredWindowUnderMovingWindow;
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if (hovered_window == NULL || window->RootWindow != hovered_window->RootWindow)
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if (hovered_window == NULL || window->RootWindow != hovered_window->RootWindow || window->SkipItems)
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return false;
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const ImRect& display_rect = (g.LastItemData.StatusFlags & ImGuiItemStatusFlags_HasDisplayRect) ? g.LastItemData.DisplayRect : g.LastItemData.Rect;
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