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Misc: Optimized storage of window settings data (reducing allocation count).

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This commit is contained in:
omar
2019-11-05 22:43:53 +01:00
parent 3929255b77
commit 4c13807b7d
3 changed files with 12 additions and 7 deletions
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12
imgui.cpp
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@ -3809,8 +3809,7 @@ void ImGui::Shutdown(ImGuiContext* context)
g.PrivateClipboard.clear();
g.InputTextState.ClearFreeMemory();
for (int i = 0; i < g.SettingsWindows.Size; i++)
IM_DELETE(g.SettingsWindows[i].Name);
g.SettingsWindowsNames.clear();
g.SettingsWindows.clear();
g.SettingsHandlers.clear();
@ -9205,8 +9204,10 @@ ImGuiWindowSettings* ImGui::CreateNewWindowSettings(const char* name)
if (const char* p = strstr(name, "###"))
name = p;
#endif
settings->Name = ImStrdup(name);
settings->ID = ImHashStr(name);
size_t name_len = strlen(name);
settings->NameOffset = g.SettingsWindowsNames.size();
g.SettingsWindowsNames.append(name, name + name_len + 1); // Append with zero terminator
settings->ID = ImHashStr(name, name_len);
return settings;
}
@ -9387,7 +9388,8 @@ static void SettingsHandlerWindow_WriteAll(ImGuiContext* ctx, ImGuiSettingsHandl
for (int i = 0; i != g.SettingsWindows.Size; i++)
{
const ImGuiWindowSettings* settings = &g.SettingsWindows[i];
buf->appendf("[%s][%s]\n", handler->TypeName, settings->Name);
const char* settings_name = g.SettingsWindowsNames.c_str() + settings->NameOffset;
buf->appendf("[%s][%s]\n", handler->TypeName, settings_name);
buf->appendf("Pos=%d,%d\n", settings->Pos.x, settings->Pos.y);
buf->appendf("Size=%d,%d\n", settings->Size.x, settings->Size.y);
buf->appendf("Collapsed=%d\n", settings->Collapsed);