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NewFrame: Removed unnecessary call to FindHoveredWindow() and simplified code (went through this multiple times, hopefully haven't broken anything)

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omar 2017-10-25 22:02:06 +02:00
parent 6243252d5a
commit a6edd10ee6
1 changed files with 5 additions and 10 deletions
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15
imgui.cpp
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@ -629,7 +629,7 @@ static void SetWindowScrollY(ImGuiWindow* window, float new_scroll_y
static void SetWindowPos(ImGuiWindow* window, const ImVec2& pos, ImGuiCond cond);
static void SetWindowSize(ImGuiWindow* window, const ImVec2& size, ImGuiCond cond);
static void SetWindowCollapsed(ImGuiWindow* window, bool collapsed, ImGuiCond cond);
static ImGuiWindow* FindHoveredWindow(ImVec2 pos, bool excluding_childs);
static ImGuiWindow* FindHoveredWindow(ImVec2 pos);
static ImGuiWindow* CreateNewWindow(const char* name, ImVec2 size, ImGuiWindowFlags flags);
static void ClearSetNextWindowData();
static void CheckStacksSize(ImGuiWindow* window, bool write);
@ -2362,11 +2362,8 @@ void ImGui::NewFrame()
}
// Find the window we are hovering. Child windows can extend beyond the limit of their parent so we need to derive HoveredRootWindow from HoveredWindow
g.HoveredWindow = g.MovingWindow ? g.MovingWindow : FindHoveredWindow(g.IO.MousePos, false);
if (g.HoveredWindow && (g.HoveredWindow->Flags & ImGuiWindowFlags_ChildWindow))
g.HoveredRootWindow = g.HoveredWindow->RootWindow;
else
g.HoveredRootWindow = g.MovingWindow ? g.MovingWindow->RootWindow : FindHoveredWindow(g.IO.MousePos, true);
g.HoveredWindow = g.MovingWindow ? g.MovingWindow : FindHoveredWindow(g.IO.MousePos);
g.HoveredRootWindow = g.HoveredWindow ? g.HoveredWindow->RootWindow : NULL;
if (ImGuiWindow* modal_window = GetFrontMostModalRootWindow())
{
@ -3239,7 +3236,7 @@ void ImGui::CalcListClipping(int items_count, float items_height, int* out_items
// Find window given position, search front-to-back
// FIXME: Note that we have a lag here because WindowRectClipped is updated in Begin() so windows moved by user via SetWindowPos() and not SetNextWindowPos() will have that rectangle lagging by a frame at the time FindHoveredWindow() is called, aka before the next Begin(). Moving window thankfully isn't affected.
static ImGuiWindow* FindHoveredWindow(ImVec2 pos, bool excluding_childs)
static ImGuiWindow* FindHoveredWindow(ImVec2 pos)
{
ImGuiContext& g = *GImGui;
for (int i = g.Windows.Size-1; i >= 0; i--)
@ -3249,10 +3246,8 @@ static ImGuiWindow* FindHoveredWindow(ImVec2 pos, bool excluding_childs)
continue;
if (window->Flags & ImGuiWindowFlags_NoInputs)
continue;
if (excluding_childs && (window->Flags & ImGuiWindowFlags_ChildWindow) != 0)
continue;
// Using the clipped AABB so a child window will typically be clipped by its parent.
// Using the clipped AABB, a child window will typically be clipped by its parent (not always)
ImRect bb(window->WindowRectClipped.Min - g.Style.TouchExtraPadding, window->WindowRectClipped.Max + g.Style.TouchExtraPadding);
if (bb.Contains(pos))
return window;