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Viewport: Fixed a situation when the implicit Debug window can hold on a zombie viewport which platform window is not properly destroyed. (#1542)

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omar 2018-07-22 16:23:35 +02:00
parent 23b67e6ff5
commit 74077491ce
1 changed files with 16 additions and 16 deletions
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22
imgui.cpp
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@ -3955,29 +3955,29 @@ void ImGui::UpdatePlatformWindows()
{
ImGuiViewportP* viewport = g.Viewports[i];
viewport->LastPos = viewport->Pos;
if (viewport->LastFrameActive < g.FrameCount)
// Destroy platform window if the viewport hasn't been submitted or if it is hosting a hidden window (the implicit Debug window will be registered its viewport then be disabled)
bool destroy_platform_window = false;
destroy_platform_window |= (viewport->LastFrameActive < g.FrameCount - 1);
destroy_platform_window |= (viewport->Window && !IsWindowActiveAndVisible(viewport->Window));
if (destroy_platform_window)
{
if (viewport->LastFrameActive < g.FrameCount - 1)
{
if (g.PlatformIO.Renderer_DestroyWindow)
if (viewport->CreatedPlatformWindow && g.PlatformIO.Renderer_DestroyWindow)
g.PlatformIO.Renderer_DestroyWindow(viewport);
if (g.PlatformIO.Platform_DestroyWindow)
if (viewport->CreatedPlatformWindow && g.PlatformIO.Platform_DestroyWindow)
g.PlatformIO.Platform_DestroyWindow(viewport);
viewport->CreatedPlatformWindow = false;
IM_ASSERT(viewport->RendererUserData == NULL);
IM_ASSERT(viewport->PlatformUserData == NULL && viewport->PlatformHandle == NULL);
}
continue;
}
if (viewport->LastFrameActive < g.FrameCount)
continue;
// New windows that appears directly in a new viewport won't always have a size on their frame
if (viewport->Size.x <= 0 || viewport->Size.y <= 0)
continue;
// Ignore viewport that are hosting a hidden window (also check the Active flag, as the implicit Debug window will be registering its viewport then immediately disabled)
if (viewport->Window && !IsWindowActiveAndVisible(viewport->Window))
continue;
// Update viewport flags
if (viewport->Window != NULL)
{
@ -15102,7 +15102,7 @@ void ImGui::ShowMetricsWindow(bool* p_open)
if (ImGui::TreeNode((void*)(intptr_t)viewport->ID, "Viewport #%d, ID: 0x%08X, Window: \"%s\"", viewport->Idx, viewport->ID, viewport->Window ? viewport->Window->Name : "N/A"))
{
ImGuiWindowFlags flags = viewport->Flags;
ImGui::BulletText("Pos: (%.0f,%.0f), Size: (%.0f, %.0f), Monitor: %d, DpiScale: %.0f%%", viewport->Pos.x, viewport->Pos.y, viewport->Size.x, viewport->Size.y, viewport->PlatformMonitor, viewport->DpiScale * 100.0f);
ImGui::BulletText("Pos: (%.0f,%.0f), Size: (%.0f,%.0f), Monitor: %d, DpiScale: %.0f%%", viewport->Pos.x, viewport->Pos.y, viewport->Size.x, viewport->Size.y, viewport->PlatformMonitor, viewport->DpiScale * 100.0f);
if (viewport->Idx > 0) { ImGui::SameLine(); if (ImGui::SmallButton("Reset Pos")) { viewport->Pos = ImVec2(200,200); if (viewport->Window) viewport->Window->Pos = ImVec2(200,200); } }
ImGui::BulletText("Flags: 0x%04X =%s%s%s%s%s", viewport->Flags,
(flags & ImGuiViewportFlags_CanHostOtherWindows) ? " CanHostOtherWindows" : "", (flags & ImGuiViewportFlags_NoDecoration) ? " NoDecoration" : "",