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Docking: Fix misuse of PushClipRect in UpdateWindowManualResize(). (#3311)

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This commit is contained in:
omar 2020-06-20 22:06:44 +02:00
parent 20d61f5f62
commit 76e40fe5d1
2 changed files with 4 additions and 5 deletions
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5
imgui.cpp
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@ -5502,9 +5502,10 @@ static bool ImGui::UpdateWindowManualResize(ImGuiWindow* window, const ImVec2& s
// This is however not the case with current back-ends under Win32, but a custom borderless window implementation would benefit from it.
// - When decoration are enabled we typically benefit from that distance, but then our resize elements would be conflicting with OS resize elements, so we also narrow.
// - Note that we are unable to tell if the platform setup allows hovering with a distance threshold (on Win32, decorated window have such threshold).
// We only clip interaction so we overwrite window->ClipRect, cannot call PushClipRect() yet as DrawList is not yet setup.
const bool clip_with_viewport_rect = !(g.IO.BackendFlags & ImGuiBackendFlags_HasMouseHoveredViewport) || (g.IO.MouseHoveredViewport != window->ViewportId) || !(window->Viewport->Flags & ImGuiViewportFlags_NoDecoration);
if (clip_with_viewport_rect)
PushClipRect(window->Viewport->Pos, window->Viewport->Pos + window->Viewport->Size, true); // Won't incur a draw command as we are not drawing here.
window->ClipRect = window->Viewport->GetMainRect();
// Resize grips and borders are on layer 1
window->DC.NavLayerCurrent = ImGuiNavLayer_Menu;
@ -5568,8 +5569,6 @@ static bool ImGui::UpdateWindowManualResize(ImGuiWindow* window, const ImVec2& s
}
}
PopID();
if (clip_with_viewport_rect)
PopClipRect();
// Restore nav layer
window->DC.NavLayerCurrent = ImGuiNavLayer_Main;

4
imgui.h
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@ -1697,7 +1697,7 @@ struct ImGuiSizeCallbackData
// Important: the content of this class is still highly WIP and likely to change and be refactored
// before we stabilize Docking features. Please be mindful if using this.
// Provide hints:
// - To the platform back-end via altered viewport flags (enable/disable OS decoration, OS task bar icons, etc.)
// - To the platform back-end via altered viewport flags (enable/disable OS decoration, OS task bar icons, etc.)
// - To the platform back-end for OS level parent/child relationships of viewport.
// - To the docking system for various options and filtering.
struct ImGuiWindowClass
@ -1707,7 +1707,7 @@ struct ImGuiWindowClass
ImGuiViewportFlags ViewportFlagsOverrideSet; // Viewport flags to set when a window of this class owns a viewport. This allows you to enforce OS decoration or task bar icon, override the defaults on a per-window basis.
ImGuiViewportFlags ViewportFlagsOverrideClear; // Viewport flags to clear when a window of this class owns a viewport. This allows you to enforce OS decoration or task bar icon, override the defaults on a per-window basis.
ImGuiDockNodeFlags DockNodeFlagsOverrideSet; // [EXPERIMENTAL] Dock node flags to set when a window of this class is hosted by a dock node (it doesn't have to be selected!)
ImGuiDockNodeFlags DockNodeFlagsOverrideClear; // [EXPERIMENTAL]
ImGuiDockNodeFlags DockNodeFlagsOverrideClear; // [EXPERIMENTAL]
bool DockingAlwaysTabBar; // Set to true to enforce single floating windows of this class always having their own docking node (equivalent of setting the global io.ConfigDockingAlwaysTabBar)
bool DockingAllowUnclassed; // Set to true to allow windows of this class to be docked/merged with an unclassed window.