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Metrics: Added a node showing windows in submission order and showing the Begin() stack.

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This commit is contained in:
ocornut
2021-11-30 16:02:47 +01:00
parent c5db276521
commit f087a5b856
3 changed files with 48 additions and 5 deletions
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1
docs/CHANGELOG.txt
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@@ -71,6 +71,7 @@ Other Changes:
(an additional ItemSpacing.y was declared, affecting scrollbar range).
- Drag and Drop: BeginDragDropSource() with ImGuiDragDropFlags_SourceAllowNullID doesn't lose
tooltip when scrolling. (#143)
- Metrics: Added a node showing windows in submission order and showing the Begin() stack.
- Misc: Added missing ImGuiMouseCursor_NotAllowed cursor for software rendering (when the
io.MouseDrawCursor flag is enabled). (#4713) [@nobody-special666]
- Misc: Fix MinGW DLL build issue (when IMGUI_API is defined). [@rokups]

50
imgui.cpp
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@@ -1946,7 +1946,7 @@ void ImGuiStorage::BuildSortByKey()
{
struct StaticFunc
{
static int IMGUI_CDECL PairCompareByID(const void* lhs, const void* rhs)
static int IMGUI_CDECL PairComparerByID(const void* lhs, const void* rhs)
{
// We can't just do a subtraction because qsort uses signed integers and subtracting our ID doesn't play well with that.
if (((const ImGuiStoragePair*)lhs)->key > ((const ImGuiStoragePair*)rhs)->key) return +1;
@@ -1954,7 +1954,7 @@ void ImGuiStorage::BuildSortByKey()
return 0;
}
};
ImQsort(Data.Data, (size_t)Data.Size, sizeof(ImGuiStoragePair), StaticFunc::PairCompareByID);
ImQsort(Data.Data, (size_t)Data.Size, sizeof(ImGuiStoragePair), StaticFunc::PairComparerByID);
}
int ImGuiStorage::GetInt(ImGuiID key, int default_val) const
@@ -5872,7 +5872,10 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
// Update ->RootWindow and others pointers (before any possible call to FocusWindow)
if (first_begin_of_the_frame)
{
UpdateWindowParentAndRootLinks(window, flags, parent_window);
window->ParentWindowInBeginStack = parent_window_in_stack;
}
// Process SetNextWindow***() calls
// (FIXME: Consider splitting the HasXXX flags into X/Y components
@@ -11314,6 +11317,7 @@ static void ImeSetInputScreenPosFn_DefaultImpl(int, int) {}
// - DebugNodeWindow() [Internal]
// - DebugNodeWindowSettings() [Internal]
// - DebugNodeWindowsList() [Internal]
// - DebugNodeWindowsListByBeginStackParent() [Internal]
//-----------------------------------------------------------------------------
#ifndef IMGUI_DISABLE_METRICS_WINDOW
@@ -11536,8 +11540,27 @@ void ImGui::ShowMetricsWindow(bool* p_open)
}
// Windows
DebugNodeWindowsList(&g.Windows, "Windows");
//DebugNodeWindowsList(&g.WindowsFocusOrder, "WindowsFocusOrder");
if (TreeNode("Windows", "Windows (%d)", g.Windows.Size))
{
//SetNextItemOpen(true, ImGuiCond_Once);
DebugNodeWindowsList(&g.Windows, "By display order");
DebugNodeWindowsList(&g.WindowsFocusOrder, "By focus order (root windows)");
if (TreeNode("By submission order (begin stack)"))
{
// Here we display windows in their submitted order/hierarchy, however note that the Begin stack doesn't constitute a Parent<>Child relationship!
ImVector<ImGuiWindow*>& temp_buffer = g.WindowsTempSortBuffer;
temp_buffer.resize(0);
for (int i = 0; i < g.Windows.Size; i++)
if (g.Windows[i]->LastFrameActive + 1 >= g.FrameCount)
temp_buffer.push_back(g.Windows[i]);
struct Func { static int IMGUI_CDECL WindowComparerByBeginOrder(const void* lhs, const void* rhs) { return ((int)(*(const ImGuiWindow* const *)lhs)->BeginOrderWithinContext - (*(const ImGuiWindow* const*)rhs)->BeginOrderWithinContext); } };
ImQsort(temp_buffer.Data, (size_t)temp_buffer.Size, sizeof(ImGuiWindow*), Func::WindowComparerByBeginOrder);
DebugNodeWindowsListByBeginStackParent(temp_buffer.Data, temp_buffer.Size, NULL);
TreePop();
}
TreePop();
}
// DrawLists
int drawlist_count = 0;
@@ -12161,7 +12184,6 @@ void ImGui::DebugNodeWindowsList(ImVector<ImGuiWindow*>* windows, const char* la
{
if (!TreeNode(label, "%s (%d)", label, windows->Size))
return;
Text("(In front-to-back order:)");
for (int i = windows->Size - 1; i >= 0; i--) // Iterate front to back
{
PushID((*windows)[i]);
@@ -12171,6 +12193,24 @@ void ImGui::DebugNodeWindowsList(ImVector<ImGuiWindow*>* windows, const char* la
TreePop();
}
// FIXME-OPT: This is technically suboptimal, but it is simpler this way.
void ImGui::DebugNodeWindowsListByBeginStackParent(ImGuiWindow** windows, int windows_size, ImGuiWindow* parent_in_begin_stack)
{
for (int i = 0; i < windows_size; i++)
{
ImGuiWindow* window = windows[i];
if (window->ParentWindowInBeginStack != parent_in_begin_stack)
continue;
char buf[20];
ImFormatString(buf, IM_ARRAYSIZE(buf), "[%04d] Window", window->BeginOrderWithinContext);
//BulletText("[%04d] Window '%s'", window->BeginOrderWithinContext, window->Name);
DebugNodeWindow(window, buf);
Indent();
DebugNodeWindowsListByBeginStackParent(windows + i + 1, windows_size - i - 1, window);
Unindent();
}
}
//-----------------------------------------------------------------------------
// [SECTION] OTHER DEBUG TOOLS (ITEM PICKER, STACK TOOL)
//-----------------------------------------------------------------------------

2
imgui_internal.h
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@@ -2026,6 +2026,7 @@ struct IMGUI_API ImGuiWindow
ImDrawList* DrawList; // == &DrawListInst (for backward compatibility reason with code using imgui_internal.h we keep this a pointer)
ImDrawList DrawListInst;
ImGuiWindow* ParentWindow; // If we are a child _or_ popup _or_ docked window, this is pointing to our parent. Otherwise NULL.
ImGuiWindow* ParentWindowInBeginStack;
ImGuiWindow* RootWindow; // Point to ourself or first ancestor that is not a child window. Doesn't cross through popups/dock nodes.
ImGuiWindow* RootWindowPopupTree; // Point to ourself or first ancestor that is not a child window. Cross through popups parent<>child.
ImGuiWindow* RootWindowForTitleBarHighlight; // Point to ourself or first ancestor which will display TitleBgActive color when this window is active.
@@ -2784,6 +2785,7 @@ namespace ImGui
IMGUI_API void DebugNodeWindow(ImGuiWindow* window, const char* label);
IMGUI_API void DebugNodeWindowSettings(ImGuiWindowSettings* settings);
IMGUI_API void DebugNodeWindowsList(ImVector<ImGuiWindow*>* windows, const char* label);
IMGUI_API void DebugNodeWindowsListByBeginStackParent(ImGuiWindow** windows, int windows_size, ImGuiWindow* parent_in_begin_stack);
IMGUI_API void DebugNodeViewport(ImGuiViewportP* viewport);
IMGUI_API void DebugRenderViewportThumbnail(ImDrawList* draw_list, ImGuiViewportP* viewport, const ImRect& bb);