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Internals: merge ScaleWindowsInViewport() from docking branch.

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ocornut 2024-12-20 23:26:21 +01:00
parent 2a600bddcb
commit 18929bd6d6
2 changed files with 20 additions and 0 deletions
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19
imgui.cpp
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@ -14788,6 +14788,7 @@ void ImGui::LocalizeRegisterEntries(const ImGuiLocEntry* entries, int count)
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// - GetMainViewport() // - GetMainViewport()
// - SetWindowViewport() [Internal] // - SetWindowViewport() [Internal]
// - ScaleWindowsInViewport() [Internal]
// - UpdateViewportsNewFrame() [Internal] // - UpdateViewportsNewFrame() [Internal]
// (this section is more complete in the 'docking' branch) // (this section is more complete in the 'docking' branch)
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
@ -14803,6 +14804,24 @@ void ImGui::SetWindowViewport(ImGuiWindow* window, ImGuiViewportP* viewport)
window->Viewport = viewport; window->Viewport = viewport;
} }
static void ScaleWindow(ImGuiWindow* window, float scale)
{
ImVec2 origin = window->Viewport->Pos;
window->Pos = ImFloor((window->Pos - origin) * scale + origin);
window->Size = ImTrunc(window->Size * scale);
window->SizeFull = ImTrunc(window->SizeFull * scale);
window->ContentSize = ImTrunc(window->ContentSize * scale);
}
// Scale all windows (position, size). Use when e.g. changing DPI. (This is a lossy operation!)
void ImGui::ScaleWindowsInViewport(ImGuiViewportP* viewport, float scale)
{
ImGuiContext& g = *GImGui;
for (ImGuiWindow* window : g.Windows)
if (window->Viewport == viewport)
ScaleWindow(window, scale);
}
// Update viewports and monitor infos // Update viewports and monitor infos
static void ImGui::UpdateViewportsNewFrame() static void ImGui::UpdateViewportsNewFrame()
{ {

1
imgui_internal.h
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@ -3020,6 +3020,7 @@ namespace ImGui
IMGUI_API void CallContextHooks(ImGuiContext* context, ImGuiContextHookType type); IMGUI_API void CallContextHooks(ImGuiContext* context, ImGuiContextHookType type);
// Viewports // Viewports
IMGUI_API void ScaleWindowsInViewport(ImGuiViewportP* viewport, float scale);
IMGUI_API void SetWindowViewport(ImGuiWindow* window, ImGuiViewportP* viewport); IMGUI_API void SetWindowViewport(ImGuiWindow* window, ImGuiViewportP* viewport);
// Settings // Settings