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Internals: NewFrame: move the window reset loop higher up, namely before UpdateHoveredWindowAndCaptureFlags() -> FindHoveredWindowEx().

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This allows using FindHoveredWindowEx() from anywhere in the frame.
This commit is contained in:
ocornut 2024-09-27 15:06:05 +02:00
parent 797101a882
commit 26785fd873
1 changed files with 18 additions and 17 deletions
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35
imgui.cpp
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@ -5158,8 +5158,25 @@ void ImGui::NewFrame()
// Update mouse input state // Update mouse input state
UpdateMouseInputs(); UpdateMouseInputs();
// Mark all windows as not visible and compact unused memory.
IM_ASSERT(g.WindowsFocusOrder.Size <= g.Windows.Size);
const float memory_compact_start_time = (g.GcCompactAll || g.IO.ConfigMemoryCompactTimer < 0.0f) ? FLT_MAX : (float)g.Time - g.IO.ConfigMemoryCompactTimer;
for (ImGuiWindow* window : g.Windows)
{
window->WasActive = window->Active;
window->Active = false;
window->WriteAccessed = false;
window->BeginCountPreviousFrame = window->BeginCount;
window->BeginCount = 0;
// Garbage collect transient buffers of recently unused windows
if (!window->WasActive && !window->MemoryCompacted && window->LastTimeActive < memory_compact_start_time)
GcCompactTransientWindowBuffers(window);
}
// Find hovered window // Find hovered window
// (needs to be before UpdateMouseMovingWindowNewFrame so we fill g.HoveredWindowUnderMovingWindow on the mouse release frame) // (needs to be before UpdateMouseMovingWindowNewFrame so we fill g.HoveredWindowUnderMovingWindow on the mouse release frame)
// (currently needs to be done after the WasActive=Active loop and FindHoveredWindowEx uses ->Active)
UpdateHoveredWindowAndCaptureFlags(); UpdateHoveredWindowAndCaptureFlags();
// Handle user moving window with mouse (at the beginning of the frame to avoid input lag or sheering) // Handle user moving window with mouse (at the beginning of the frame to avoid input lag or sheering)
@ -5181,22 +5198,6 @@ void ImGui::NewFrame()
// Mouse wheel scrolling, scale // Mouse wheel scrolling, scale
UpdateMouseWheel(); UpdateMouseWheel();
// Mark all windows as not visible and compact unused memory.
IM_ASSERT(g.WindowsFocusOrder.Size <= g.Windows.Size);
const float memory_compact_start_time = (g.GcCompactAll || g.IO.ConfigMemoryCompactTimer < 0.0f) ? FLT_MAX : (float)g.Time - g.IO.ConfigMemoryCompactTimer;
for (ImGuiWindow* window : g.Windows)
{
window->WasActive = window->Active;
window->Active = false;
window->WriteAccessed = false;
window->BeginCountPreviousFrame = window->BeginCount;
window->BeginCount = 0;
// Garbage collect transient buffers of recently unused windows
if (!window->WasActive && !window->MemoryCompacted && window->LastTimeActive < memory_compact_start_time)
GcCompactTransientWindowBuffers(window);
}
// Garbage collect transient buffers of recently unused tables // Garbage collect transient buffers of recently unused tables
for (int i = 0; i < g.TablesLastTimeActive.Size; i++) for (int i = 0; i < g.TablesLastTimeActive.Size; i++)
if (g.TablesLastTimeActive[i] >= 0.0f && g.TablesLastTimeActive[i] < memory_compact_start_time) if (g.TablesLastTimeActive[i] >= 0.0f && g.TablesLastTimeActive[i] < memory_compact_start_time)
@ -5660,7 +5661,7 @@ void ImGui::FindHoveredWindowEx(const ImVec2& pos, bool find_first_and_in_any_vi
{ {
ImGuiWindow* window = g.Windows[i]; ImGuiWindow* window = g.Windows[i];
IM_MSVC_WARNING_SUPPRESS(28182); // [Static Analyzer] Dereferencing NULL pointer. IM_MSVC_WARNING_SUPPRESS(28182); // [Static Analyzer] Dereferencing NULL pointer.
if (!window->Active || window->Hidden) if (!window->WasActive || window->Hidden)
continue; continue;
if (window->Flags & ImGuiWindowFlags_NoMouseInputs) if (window->Flags & ImGuiWindowFlags_NoMouseInputs)
continue; continue;