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Internals: Settings: added ClearWindowSettings(). Extract part of CreateNewWindow() into InitOrLoadWindowSettings().

Designed to that if the window reappear in the session it won't take an additional slot.
pull/5316/head
ocornut 2 years ago
parent
commit
082b20e46b
  1. 70
      imgui.cpp
  2. 2
      imgui_internal.h

70
imgui.cpp

@ -3631,7 +3631,7 @@ ImGuiWindow::ImGuiWindow(ImGuiContext* context, const char* name) : DrawListInst
ScrollTargetCenterRatio = ImVec2(0.5f, 0.5f);
AutoFitFramesX = AutoFitFramesY = -1;
AutoPosLastDirection = ImGuiDir_None;
SetWindowPosAllowFlags = SetWindowSizeAllowFlags = SetWindowCollapsedAllowFlags = ImGuiCond_Always | ImGuiCond_Once | ImGuiCond_FirstUseEver | ImGuiCond_Appearing;
SetWindowPosAllowFlags = SetWindowSizeAllowFlags = SetWindowCollapsedAllowFlags = 0;
SetWindowPosVal = SetWindowPosPivot = ImVec2(FLT_MAX, FLT_MAX);
LastFrameActive = -1;
LastTimeActive = -1.0f;
@ -5360,32 +5360,22 @@ static void UpdateWindowInFocusOrderList(ImGuiWindow* window, bool just_created,
window->IsExplicitChild = new_is_explicit_child;
}
static ImGuiWindow* CreateNewWindow(const char* name, ImGuiWindowFlags flags)
static void InitOrLoadWindowSettings(ImGuiWindow* window, ImGuiWindowSettings* settings)
{
ImGuiContext& g = *GImGui;
//IMGUI_DEBUG_LOG("CreateNewWindow '%s', flags = 0x%08X\n", name, flags);
// Create window the first time
ImGuiWindow* window = IM_NEW(ImGuiWindow)(&g, name);
window->Flags = flags;
g.WindowsById.SetVoidPtr(window->ID, window);
// Default/arbitrary window position. Use SetNextWindowPos() with the appropriate condition flag to change the initial position of a window.
// Initial window state with e.g. default/arbitrary window position
// Use SetNextWindowPos() with the appropriate condition flag to change the initial position of a window.
const ImGuiViewport* main_viewport = ImGui::GetMainViewport();
window->Pos = main_viewport->Pos + ImVec2(60, 60);
window->SetWindowPosAllowFlags = window->SetWindowSizeAllowFlags = window->SetWindowCollapsedAllowFlags = ImGuiCond_Always | ImGuiCond_Once | ImGuiCond_FirstUseEver | ImGuiCond_Appearing;
// User can disable loading and saving of settings. Tooltip and child windows also don't store settings.
if (!(flags & ImGuiWindowFlags_NoSavedSettings))
if (ImGuiWindowSettings* settings = ImGui::FindWindowSettingsByWindow(window))
{
// Retrieve settings from .ini file
window->SettingsOffset = g.SettingsWindows.offset_from_ptr(settings);
SetWindowConditionAllowFlags(window, ImGuiCond_FirstUseEver, false);
ApplyWindowSettings(window, settings);
}
if (settings != NULL)
{
SetWindowConditionAllowFlags(window, ImGuiCond_FirstUseEver, false);
ApplyWindowSettings(window, settings);
}
window->DC.CursorStartPos = window->DC.CursorMaxPos = window->DC.IdealMaxPos = window->Pos; // So first call to CalcWindowContentSizes() doesn't return crazy values
if ((flags & ImGuiWindowFlags_AlwaysAutoResize) != 0)
if ((window->Flags & ImGuiWindowFlags_AlwaysAutoResize) != 0)
{
window->AutoFitFramesX = window->AutoFitFramesY = 2;
window->AutoFitOnlyGrows = false;
@ -5398,6 +5388,23 @@ static ImGuiWindow* CreateNewWindow(const char* name, ImGuiWindowFlags flags)
window->AutoFitFramesY = 2;
window->AutoFitOnlyGrows = (window->AutoFitFramesX > 0) || (window->AutoFitFramesY > 0);
}
}
static ImGuiWindow* CreateNewWindow(const char* name, ImGuiWindowFlags flags)
{
// Create window the first time
//IMGUI_DEBUG_LOG("CreateNewWindow '%s', flags = 0x%08X\n", name, flags);
ImGuiContext& g = *GImGui;
ImGuiWindow* window = IM_NEW(ImGuiWindow)(&g, name);
window->Flags = flags;
g.WindowsById.SetVoidPtr(window->ID, window);
ImGuiWindowSettings* settings = NULL;
if (!(flags & ImGuiWindowFlags_NoSavedSettings))
if ((settings = ImGui::FindWindowSettingsByWindow(window)) != 0)
window->SettingsOffset = g.SettingsWindows.offset_from_ptr(settings);
InitOrLoadWindowSettings(window, settings);
if (flags & ImGuiWindowFlags_NoBringToFrontOnFocus)
g.Windows.push_front(window); // Quite slow but rare and only once
@ -12699,6 +12706,20 @@ ImGuiWindowSettings* ImGui::FindWindowSettingsByWindow(ImGuiWindow* window)
return FindWindowSettingsByName(window->Name); // Actual search executed once, so at this point we don't mind the redundant hashing.
}
// This will revert window to its initial state, including enabling the ImGuiCond_FirstUseEver/ImGuiCond_Once conditions once more.
void ImGui::ClearWindowSettings(const char* name)
{
//IMGUI_DEBUG_LOG("ClearWindowSettings('%s')\n", name);
ImGuiWindow* window = FindWindowByName(name);
if (window != NULL)
{
window->Flags |= ImGuiWindowFlags_NoSavedSettings;
InitOrLoadWindowSettings(window, NULL);
}
if (ImGuiWindowSettings* settings = window ? FindWindowSettingsByWindow(window) : FindWindowSettingsByName(name))
settings->WantDelete = true;
}
static void WindowSettingsHandler_ClearAll(ImGuiContext* ctx, ImGuiSettingsHandler*)
{
ImGuiContext& g = *ctx;
@ -12765,12 +12786,15 @@ static void WindowSettingsHandler_WriteAll(ImGuiContext* ctx, ImGuiSettingsHandl
settings->Size = ImVec2ih(window->SizeFull);
settings->Collapsed = window->Collapsed;
settings->WantDelete = false;
}
// Write to text buffer
buf->reserve(buf->size() + g.SettingsWindows.size() * 6); // ballpark reserve
for (ImGuiWindowSettings* settings = g.SettingsWindows.begin(); settings != NULL; settings = g.SettingsWindows.next_chunk(settings))
{
if (settings->WantDelete)
continue;
const char* settings_name = settings->GetName();
buf->appendf("[%s][%s]\n", handler->TypeName, settings_name);
buf->appendf("Pos=%d,%d\n", settings->Pos.x, settings->Pos.y);
@ -14106,8 +14130,12 @@ void ImGui::DebugNodeWindow(ImGuiWindow* window, const char* label)
void ImGui::DebugNodeWindowSettings(ImGuiWindowSettings* settings)
{
if (settings->WantDelete)
BeginDisabled();
Text("0x%08X \"%s\" Pos (%d,%d) Size (%d,%d) Collapsed=%d",
settings->ID, settings->GetName(), settings->Pos.x, settings->Pos.y, settings->Size.x, settings->Size.y, settings->Collapsed);
if (settings->WantDelete)
EndDisabled();
}
void ImGui::DebugNodeWindowsList(ImVector<ImGuiWindow*>* windows, const char* label)

2
imgui_internal.h

@ -1607,6 +1607,7 @@ struct ImGuiWindowSettings
ImVec2ih Size;
bool Collapsed;
bool WantApply; // Set when loaded from .ini data (to enable merging/loading .ini data into an already running context)
bool WantDelete; // Set to invalidate/delete the settings entry
ImGuiWindowSettings() { memset(this, 0, sizeof(*this)); }
char* GetName() { return (char*)(this + 1); }
@ -2771,6 +2772,7 @@ namespace ImGui
IMGUI_API ImGuiWindowSettings* CreateNewWindowSettings(const char* name);
IMGUI_API ImGuiWindowSettings* FindWindowSettingsByName(const char* name);
IMGUI_API ImGuiWindowSettings* FindWindowSettingsByWindow(ImGuiWindow* window);
IMGUI_API void ClearWindowSettings(const char* name);
// Localization
IMGUI_API void LocalizeRegisterEntries(const ImGuiLocEntry* entries, int count);

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