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Backends: Win32: Viewports: handle WM_DPICHANGED in backend when ImGuiConfigFlags_DpiEnableScaleViewports flag is enabled.

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ocornut
2025-06-02 19:08:45 +02:00
parent ac6b84a7d7
commit a92b53df7b
5 changed files with 17 additions and 29 deletions
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imgui.h
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@@ -1666,7 +1666,7 @@ enum ImGuiConfigFlags_
// [BETA] Viewports
// When using viewports it is recommended that your default value for ImGuiCol_WindowBg is opaque (Alpha=1.0) so transition to a viewport won't be noticeable.
ImGuiConfigFlags_ViewportsEnable = 1 << 10, // Viewport enable flags (require both ImGuiBackendFlags_PlatformHasViewports + ImGuiBackendFlags_RendererHasViewports set by the respective backends)
ImGuiConfigFlags_DpiEnableScaleViewports= 1 << 14, // [BETA: Don't use] FIXME-DPI: Reposition and resize imgui windows when the DpiScale of a viewport changed (mostly useful for the main viewport hosting other window). Note that resizing the main window itself is up to your application.
ImGuiConfigFlags_DpiEnableScaleViewports= 1 << 14, // [BETA: Don't use] FIXME-DPI: Reposition and resize imgui and platform windows when the DpiScale of a viewport changed.
ImGuiConfigFlags_DpiEnableScaleFonts = 1 << 15, // [BETA: Don't use] FIXME-DPI: Request bitmap-scaled fonts to match DpiScale. This is a very low-quality workaround. The correct way to handle DPI is _currently_ to replace the atlas and/or fonts in the Platform_OnChangedViewport callback, but this is all early work in progress.
// User storage (to allow your backend/engine to communicate to code that may be shared between multiple projects. Those flags are NOT used by core Dear ImGui)