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Viewports: fixed an issue where window repositioning leading to a monitor change could have the window incorrectly get clamped within the boundaries of its previous monitor. (#8484)

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ocornut 2025-03-11 13:16:40 +01:00
parent 6972b6c380
commit 2d403a1614
2 changed files with 7 additions and 0 deletions
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3
docs/CHANGELOG.txt
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@ -166,6 +166,9 @@ Docking+Viewports Branch:
- Docking: Removed legacy assert preventing to call DockBuilderSplitNode() on an existing
split node. This makes using DockBuilder a little more flexible and bearable! (#8472) [@MegaMech]
- Viewports: fixed an issue where in certain cases, a window repositioning leading
to a monitor change could have the window incorrectly get clamped within the boundaries
of its previous monitor. Would happen e.g. when loading .ini data during runtime. (#8484)
- Viewports: fixed an assert when a window load settings with a position outside
monitor bounds, when there are multiple monitors. (#8393, #8385) [@gaborodriguez]
- Viewports + Backends: Win32: Fixed setting title bar text when application

4
imgui.cpp
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@ -16144,11 +16144,15 @@ ImGuiViewportP* ImGui::AddUpdateViewport(ImGuiWindow* window, ImGuiID id, const
if (viewport)
{
// Always update for main viewport as we are already pulling correct platform pos/size (see #4900)
ImVec2 prev_pos = viewport->Pos;
ImVec2 prev_size = viewport->Size;
if (!viewport->PlatformRequestMove || viewport->ID == IMGUI_VIEWPORT_DEFAULT_ID)
viewport->Pos = pos;
if (!viewport->PlatformRequestResize || viewport->ID == IMGUI_VIEWPORT_DEFAULT_ID)
viewport->Size = size;
viewport->Flags = flags | (viewport->Flags & (ImGuiViewportFlags_IsMinimized | ImGuiViewportFlags_IsFocused)); // Preserve existing flags
if (prev_pos != viewport->Pos || prev_size != viewport->Size)
UpdateViewportPlatformMonitor(viewport);
}
else
{