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Debug Tools: ID Stack Tool: fixed using fixed-size buffers preventing long identifiers from being displayed in the tool. (#8905, #4631)

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ocornut
2025-08-26 15:36:56 +02:00
parent e728b96600
commit 783f1e62cc
3 changed files with 40 additions and 30 deletions
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2
docs/CHANGELOG.txt
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@@ -48,6 +48,8 @@ Other Changes:
- Fixed Bullet() fixed tesselation amount which looked out of place in very large sizes. - Fixed Bullet() fixed tesselation amount which looked out of place in very large sizes.
- DrawList: Fixed CloneOutput() unnecessarily taking a copy of the ImDrawListSharedData - DrawList: Fixed CloneOutput() unnecessarily taking a copy of the ImDrawListSharedData
pointer, which could to issue when deleting the cloned list. (#8894, #1860) pointer, which could to issue when deleting the cloned list. (#8894, #1860)
- Debug Tools: ID Stack Tool: fixed using fixed-size buffers preventing long identifiers
from being displayed in the tool. (#8905, #4631)
- Examples: Android: Android+OpenGL3: update Gradle project (#8888, #8878) [@scribam] - Examples: Android: Android+OpenGL3: update Gradle project (#8888, #8878) [@scribam]
- Backends: SDL_GPU: Added ImGui_ImplSDLGPU3_InitInfo::SwapchainComposition and - Backends: SDL_GPU: Added ImGui_ImplSDLGPU3_InitInfo::SwapchainComposition and
PresentMode to configure how secondary viewports are created. Currently only used PresentMode to configure how secondary viewports are created. Currently only used

37
imgui.cpp
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@@ -17645,6 +17645,7 @@ void ImGui::UpdateDebugToolStackQueries()
tool->QueryId = query_id; tool->QueryId = query_id;
tool->StackLevel = -1; tool->StackLevel = -1;
tool->Results.resize(0); tool->Results.resize(0);
tool->ResultPathsBuf.resize(0);
} }
if (query_id == 0) if (query_id == 0)
return; return;
@@ -17691,37 +17692,43 @@ void ImGui::DebugHookIdInfo(ImGuiID id, ImGuiDataType data_type, const void* dat
ImGuiStackLevelInfo* info = &tool->Results[tool->StackLevel]; ImGuiStackLevelInfo* info = &tool->Results[tool->StackLevel];
IM_ASSERT(info->ID == id && info->QueryFrameCount > 0); IM_ASSERT(info->ID == id && info->QueryFrameCount > 0);
if (info->DescOffset == -1)
{
const char* result = NULL;
const char* result_end = NULL;
switch (data_type) switch (data_type)
{ {
case ImGuiDataType_S32: case ImGuiDataType_S32:
ImFormatString(info->Desc, IM_ARRAYSIZE(info->Desc), "%d", (int)(intptr_t)data_id); ImFormatStringToTempBuffer(&result, &result_end, "%d", (int)(intptr_t)data_id);
break; break;
case ImGuiDataType_String: case ImGuiDataType_String:
ImFormatString(info->Desc, IM_ARRAYSIZE(info->Desc), "%.*s", data_id_end ? (int)((const char*)data_id_end - (const char*)data_id) : (int)ImStrlen((const char*)data_id), (const char*)data_id); ImFormatStringToTempBuffer(&result, &result_end, "%.*s", data_id_end ? (int)((const char*)data_id_end - (const char*)data_id) : (int)ImStrlen((const char*)data_id), (const char*)data_id);
break; break;
case ImGuiDataType_Pointer: case ImGuiDataType_Pointer:
ImFormatString(info->Desc, IM_ARRAYSIZE(info->Desc), "(void*)0x%p", data_id); ImFormatStringToTempBuffer(&result, &result_end, "(void*)0x%p", data_id);
break; break;
case ImGuiDataType_ID: case ImGuiDataType_ID:
if (info->Desc[0] != 0) // PushOverrideID() is often used to avoid hashing twice, which would lead to 2 calls to DebugHookIdInfo(). We prioritize the first one. // PushOverrideID() is often used to avoid hashing twice, which would lead to 2 calls to DebugHookIdInfo(). We prioritize the first one.
return; ImFormatStringToTempBuffer(&result, &result_end, "0x%08X [override]", id);
ImFormatString(info->Desc, IM_ARRAYSIZE(info->Desc), "0x%08X [override]", id);
break; break;
default: default:
IM_ASSERT(0); IM_ASSERT(0);
} }
info->DescOffset = tool->ResultPathsBuf.size();
tool->ResultPathsBuf.append(result, result_end + 1); // Include zero terminator
}
info->QuerySuccess = true; info->QuerySuccess = true;
info->DataType = data_type; info->DataType = (ImS8)data_type;
} }
static int StackToolFormatLevelInfo(ImGuiIDStackTool* tool, int n, bool format_for_ui, char* buf, size_t buf_size) static int StackToolFormatLevelInfo(ImGuiIDStackTool* tool, int n, bool format_for_ui, char* buf, size_t buf_size)
{ {
ImGuiStackLevelInfo* info = &tool->Results[n]; ImGuiStackLevelInfo* info = &tool->Results[n];
ImGuiWindow* window = (info->Desc[0] == 0 && n == 0) ? ImGui::FindWindowByID(info->ID) : NULL; ImGuiWindow* window = (info->DescOffset == -1 && n == 0) ? ImGui::FindWindowByID(info->ID) : NULL;
if (window) // Source: window name (because the root ID don't call GetID() and so doesn't get hooked) if (window) // Source: window name (because the root ID don't call GetID() and so doesn't get hooked)
return ImFormatString(buf, buf_size, format_for_ui ? "\"%s\" [window]" : "%s", window->Name); return ImFormatString(buf, buf_size, format_for_ui ? "\"%s\" [window]" : "%s", window->Name);
if (info->QuerySuccess) // Source: GetID() hooks (prioritize over ItemInfo() because we frequently use patterns like: PushID(str), Button("") where they both have same id) if (info->QuerySuccess) // Source: GetID() hooks (prioritize over ItemInfo() because we frequently use patterns like: PushID(str), Button("") where they both have same id)
return ImFormatString(buf, buf_size, (format_for_ui && info->DataType == ImGuiDataType_String) ? "\"%s\"" : "%s", info->Desc); return ImFormatString(buf, buf_size, (format_for_ui && info->DataType == ImGuiDataType_String) ? "\"%s\"" : "%s", &tool->ResultPathsBuf.Buf[info->DescOffset]);
if (tool->StackLevel < tool->Results.Size) // Only start using fallback below when all queries are done, so during queries we don't flickering ??? markers. if (tool->StackLevel < tool->Results.Size) // Only start using fallback below when all queries are done, so during queries we don't flickering ??? markers.
return (*buf = 0); return (*buf = 0);
#ifdef IMGUI_ENABLE_TEST_ENGINE #ifdef IMGUI_ENABLE_TEST_ENGINE
@@ -17747,17 +17754,17 @@ void ImGui::ShowIDStackToolWindow(bool* p_open)
ImGuiIDStackTool* tool = &g.DebugIDStackTool; ImGuiIDStackTool* tool = &g.DebugIDStackTool;
// Build and display path // Build and display path
tool->ResultPathBuf.resize(0); tool->ResultTempBuf.resize(0);
for (int stack_n = 0; stack_n < tool->Results.Size; stack_n++) for (int stack_n = 0; stack_n < tool->Results.Size; stack_n++)
{ {
char level_desc[256]; char level_desc[256];
StackToolFormatLevelInfo(tool, stack_n, false, level_desc, IM_ARRAYSIZE(level_desc)); StackToolFormatLevelInfo(tool, stack_n, false, level_desc, IM_ARRAYSIZE(level_desc));
tool->ResultPathBuf.append(stack_n == 0 ? "//" : "/"); tool->ResultTempBuf.append(stack_n == 0 ? "//" : "/");
for (int n = 0; level_desc[n]; n++) for (int n = 0; level_desc[n]; n++)
{ {
if (level_desc[n] == '/') if (level_desc[n] == '/')
tool->ResultPathBuf.append("\\"); tool->ResultTempBuf.append("\\");
tool->ResultPathBuf.append(level_desc + n, level_desc + n + 1); tool->ResultTempBuf.append(level_desc + n, level_desc + n + 1);
} }
} }
Text("0x%08X", tool->QueryId); Text("0x%08X", tool->QueryId);
@@ -17773,10 +17780,10 @@ void ImGui::ShowIDStackToolWindow(bool* p_open)
if (tool->CopyToClipboardOnCtrlC && Shortcut(ImGuiMod_Ctrl | ImGuiKey_C, ImGuiInputFlags_RouteGlobal | ImGuiInputFlags_RouteOverFocused)) if (tool->CopyToClipboardOnCtrlC && Shortcut(ImGuiMod_Ctrl | ImGuiKey_C, ImGuiInputFlags_RouteGlobal | ImGuiInputFlags_RouteOverFocused))
{ {
tool->CopyToClipboardLastTime = (float)g.Time; tool->CopyToClipboardLastTime = (float)g.Time;
SetClipboardText(tool->ResultPathBuf.c_str()); SetClipboardText(tool->ResultTempBuf.c_str());
} }
Text("- Path \"%s\"", tool->ResultPathBuf.c_str()); Text("- Path \"%s\"", tool->ResultTempBuf.c_str());
#ifdef IMGUI_ENABLE_TEST_ENGINE #ifdef IMGUI_ENABLE_TEST_ENGINE
Text("- Label \"%s\"", tool->QueryId ? ImGuiTestEngine_FindItemDebugLabel(&g, tool->QueryId) : ""); Text("- Label \"%s\"", tool->QueryId ? ImGuiTestEngine_FindItemDebugLabel(&g, tool->QueryId) : "");
#endif #endif

9
imgui_internal.h
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@@ -2095,10 +2095,10 @@ struct ImGuiStackLevelInfo
ImGuiID ID; ImGuiID ID;
ImS8 QueryFrameCount; // >= 1: Query in progress ImS8 QueryFrameCount; // >= 1: Query in progress
bool QuerySuccess; // Obtained result from DebugHookIdInfo() bool QuerySuccess; // Obtained result from DebugHookIdInfo()
ImGuiDataType DataType : 8; ImS8 DataType; // ImGuiDataType
char Desc[57]; // Arbitrarily sized buffer to hold a result (FIXME: could replace Results[] with a chunk stream?) FIXME: Now that we added CTRL+C this should be fixed. int DescOffset; // -1 or offset into parent's ResultPathsBuf
ImGuiStackLevelInfo() { memset(this, 0, sizeof(*this)); } ImGuiStackLevelInfo() { memset(this, 0, sizeof(*this)); DescOffset = -1; }
}; };
// State for ID Stack tool queries // State for ID Stack tool queries
@@ -2110,7 +2110,8 @@ struct ImGuiIDStackTool
ImVector<ImGuiStackLevelInfo> Results; ImVector<ImGuiStackLevelInfo> Results;
bool CopyToClipboardOnCtrlC; bool CopyToClipboardOnCtrlC;
float CopyToClipboardLastTime; float CopyToClipboardLastTime;
ImGuiTextBuffer ResultPathBuf; ImGuiTextBuffer ResultPathsBuf;
ImGuiTextBuffer ResultTempBuf;
ImGuiIDStackTool() { memset(this, 0, sizeof(*this)); CopyToClipboardLastTime = -FLT_MAX; } ImGuiIDStackTool() { memset(this, 0, sizeof(*this)); CopyToClipboardLastTime = -FLT_MAX; }
}; };