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Internals: Renamed the ImGuiWindow HiddenFrameXXX fields to decorrelate them from resizing behavior, as those values are set by other logic.

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This commit is contained in:
omar 2019-03-28 15:41:49 +01:00
parent 20188b19d6
commit 9a0e71a6ec
2 changed files with 27 additions and 23 deletions
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46
imgui.cpp
View File

@ -2533,7 +2533,7 @@ ImGuiWindow::ImGuiWindow(ImGuiContext* context, const char* name)
AutoFitOnlyGrows = false;
AutoFitChildAxises = 0x00;
AutoPosLastDirection = ImGuiDir_None;
HiddenFramesRegular = HiddenFramesForResize = 0;
HiddenFramesCanSkipItems = HiddenFramesCannotSkipItems = 0;
SetWindowPosAllowFlags = SetWindowSizeAllowFlags = SetWindowCollapsedAllowFlags = ImGuiCond_Always | ImGuiCond_Once | ImGuiCond_FirstUseEver | ImGuiCond_Appearing;
SetWindowPosVal = SetWindowPosPivot = ImVec2(FLT_MAX, FLT_MAX);
@ -4617,7 +4617,7 @@ static ImVec2 CalcSizeContents(ImGuiWindow* window)
if (window->Collapsed)
if (window->AutoFitFramesX <= 0 && window->AutoFitFramesY <= 0)
return window->SizeContents;
if (window->Hidden && window->HiddenFramesForResize == 0 && window->HiddenFramesRegular > 0)
if (window->Hidden && window->HiddenFramesCannotSkipItems == 0 && window->HiddenFramesCanSkipItems > 0)
return window->SizeContents;
ImVec2 sz;
@ -4962,7 +4962,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
// Update the Appearing flag
bool window_just_activated_by_user = (window->LastFrameActive < current_frame - 1); // Not using !WasActive because the implicit "Debug" window would always toggle off->on
const bool window_just_appearing_after_hidden_for_resize = (window->HiddenFramesForResize > 0);
const bool window_just_appearing_after_hidden_for_resize = (window->HiddenFramesCannotSkipItems > 0);
if (flags & ImGuiWindowFlags_Popup)
{
ImGuiPopupRef& popup_ref = g.OpenPopupStack[g.BeginPopupStack.Size];
@ -5062,20 +5062,20 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
// Update contents size from last frame for auto-fitting (or use explicit size)
window->SizeContents = CalcSizeContents(window);
if (window->HiddenFramesRegular > 0)
window->HiddenFramesRegular--;
if (window->HiddenFramesForResize > 0)
window->HiddenFramesForResize--;
if (window->HiddenFramesCanSkipItems > 0)
window->HiddenFramesCanSkipItems--;
if (window->HiddenFramesCannotSkipItems > 0)
window->HiddenFramesCannotSkipItems--;
// Hide new windows for one frame until they calculate their size
if (window_just_created && (!window_size_x_set_by_api || !window_size_y_set_by_api))
window->HiddenFramesForResize = 1;
window->HiddenFramesCannotSkipItems = 1;
// Hide popup/tooltip window when re-opening while we measure size (because we recycle the windows)
// We reset Size/SizeContents for reappearing popups/tooltips early in this function, so further code won't be tempted to use the old size.
if (window_just_activated_by_user && (flags & (ImGuiWindowFlags_Popup | ImGuiWindowFlags_Tooltip)) != 0)
{
window->HiddenFramesForResize = 1;
window->HiddenFramesCannotSkipItems = 1;
if (flags & ImGuiWindowFlags_AlwaysAutoResize)
{
if (!window_size_x_set_by_api)
@ -5181,7 +5181,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
window->Pos = parent_window->DC.CursorPos;
}
const bool window_pos_with_pivot = (window->SetWindowPosVal.x != FLT_MAX && window->HiddenFramesForResize == 0);
const bool window_pos_with_pivot = (window->SetWindowPosVal.x != FLT_MAX && window->HiddenFramesCannotSkipItems == 0);
if (window_pos_with_pivot)
SetWindowPos(window, ImMax(style.DisplaySafeAreaPadding, window->SetWindowPosVal - window->SizeFull * window->SetWindowPosPivot), 0); // Position given a pivot (e.g. for centering)
else if ((flags & ImGuiWindowFlags_ChildMenu) != 0)
@ -5250,7 +5250,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
PushClipRect(viewport_rect.Min, viewport_rect.Max, true);
// Draw modal window background (darkens what is behind them, all viewports)
const bool dim_bg_for_modal = (flags & ImGuiWindowFlags_Modal) && window == GetFrontMostPopupModal() && window->HiddenFramesForResize <= 0;
const bool dim_bg_for_modal = (flags & ImGuiWindowFlags_Modal) && window == GetFrontMostPopupModal() && window->HiddenFramesCannotSkipItems <= 0;
const bool dim_bg_for_window_list = g.NavWindowingTargetAnim && (window == g.NavWindowingTargetAnim->RootWindow);
if (dim_bg_for_modal || dim_bg_for_window_list)
{
@ -5516,24 +5516,28 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
IM_ASSERT((flags & ImGuiWindowFlags_NoTitleBar) != 0);
if (!(flags & ImGuiWindowFlags_AlwaysAutoResize) && window->AutoFitFramesX <= 0 && window->AutoFitFramesY <= 0)
if (window->OuterRectClipped.Min.x >= window->OuterRectClipped.Max.x || window->OuterRectClipped.Min.y >= window->OuterRectClipped.Max.y)
window->HiddenFramesRegular = 1;
window->HiddenFramesCanSkipItems = 1;
// Completely hide along with parent or if parent is collapsed
if (parent_window && (parent_window->Collapsed || parent_window->Hidden))
window->HiddenFramesRegular = 1;
window->HiddenFramesCanSkipItems = 1;
}
// Don't render if style alpha is 0.0 at the time of Begin(). This is arbitrary and inconsistent but has been there for a long while (may remove at some point)
if (style.Alpha <= 0.0f)
window->HiddenFramesRegular = 1;
window->HiddenFramesCanSkipItems = 1;
// Update the Hidden flag
window->Hidden = (window->HiddenFramesRegular > 0) || (window->HiddenFramesForResize > 0);
window->Hidden = (window->HiddenFramesCanSkipItems > 0) || (window->HiddenFramesCannotSkipItems > 0);
// Return false if we don't intend to display anything to allow user to perform an early out optimization
window->SkipItems = (window->Collapsed || !window->Active || window->Hidden) && window->AutoFitFramesX <= 0 && window->AutoFitFramesY <= 0 && window->HiddenFramesForResize <= 0;
// Update the SkipItems flag, used to early out of all items functions (no layout required)
bool skip_items = false;
if (window->Collapsed || !window->Active || window->Hidden)
if (window->AutoFitFramesX <= 0 && window->AutoFitFramesY <= 0 && window->HiddenFramesCannotSkipItems <= 0)
skip_items = true;
window->SkipItems = skip_items;
return !window->SkipItems;
return !skip_items;
}
// Old Begin() API with 5 parameters, avoid calling this version directly! Use SetNextWindowSize()/SetNextWindowBgAlpha() + Begin() instead.
@ -6740,7 +6744,7 @@ void ImGui::BeginTooltipEx(ImGuiWindowFlags extra_flags, bool override_previous_
{
// Hide previous tooltip from being displayed. We can't easily "reset" the content of a window so we create a new one.
window->Hidden = true;
window->HiddenFramesRegular = 1;
window->HiddenFramesCanSkipItems = 1;
ImFormatString(window_name, IM_ARRAYSIZE(window_name), "##Tooltip_%02d", ++g.TooltipOverrideCount);
}
ImGuiWindowFlags flags = ImGuiWindowFlags_Tooltip|ImGuiWindowFlags_NoInputs|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoMove|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_NoSavedSettings|ImGuiWindowFlags_AlwaysAutoResize;
@ -8649,7 +8653,7 @@ bool ImGui::BeginDragDropSource(ImGuiDragDropFlags flags)
{
ImGuiWindow* tooltip_window = g.CurrentWindow;
tooltip_window->SkipItems = true;
tooltip_window->HiddenFramesRegular = 1;
tooltip_window->HiddenFramesCanSkipItems = 1;
}
}
@ -9506,7 +9510,7 @@ void ImGui::ShowMetricsWindow(bool* p_open)
(flags & ImGuiWindowFlags_NoMouseInputs)? "NoMouseInputs":"", (flags & ImGuiWindowFlags_NoNavInputs) ? "NoNavInputs" : "", (flags & ImGuiWindowFlags_AlwaysAutoResize) ? "AlwaysAutoResize" : "");
ImGui::BulletText("Scroll: (%.2f/%.2f,%.2f/%.2f)", window->Scroll.x, GetWindowScrollMaxX(window), window->Scroll.y, GetWindowScrollMaxY(window));
ImGui::BulletText("Active: %d/%d, WriteAccessed: %d, BeginOrderWithinContext: %d", window->Active, window->WasActive, window->WriteAccessed, (window->Active || window->WasActive) ? window->BeginOrderWithinContext : -1);
ImGui::BulletText("Appearing: %d, Hidden: %d (Reg %d Resize %d), SkipItems: %d", window->Appearing, window->Hidden, window->HiddenFramesRegular, window->HiddenFramesForResize, window->SkipItems);
ImGui::BulletText("Appearing: %d, Hidden: %d (CanSkip %d Cannot %d), SkipItems: %d", window->Appearing, window->Hidden, window->HiddenFramesCanSkipItems, window->HiddenFramesCannotSkipItems, window->SkipItems);
ImGui::BulletText("NavLastIds: 0x%08X,0x%08X, NavLayerActiveMask: %X", window->NavLastIds[0], window->NavLastIds[1], window->DC.NavLayerActiveMask);
ImGui::BulletText("NavLastChildNavWindow: %s", window->NavLastChildNavWindow ? window->NavLastChildNavWindow->Name : "NULL");
if (!window->NavRectRel[0].IsInverted())

4
imgui_internal.h
View File

@ -1228,8 +1228,8 @@ struct IMGUI_API ImGuiWindow
bool AutoFitOnlyGrows;
int AutoFitChildAxises;
ImGuiDir AutoPosLastDirection;
int HiddenFramesRegular; // Hide the window for N frames
int HiddenFramesForResize; // Hide the window for N frames while allowing items to be submitted so we can measure their size
int HiddenFramesCanSkipItems; // Hide the window for N frames
int HiddenFramesCannotSkipItems; // Hide the window for N frames while allowing items to be submitted so we can measure their size
ImGuiCond SetWindowPosAllowFlags; // store acceptable condition flags for SetNextWindowPos() use.
ImGuiCond SetWindowSizeAllowFlags; // store acceptable condition flags for SetNextWindowSize() use.
ImGuiCond SetWindowCollapsedAllowFlags; // store acceptable condition flags for SetNextWindowCollapsed() use.