Begin: Shuffled some code, _should_ have no side-effect. Clear NextWindowData in one call and more consistently. (merged from viewport branch to minimize branch drift).
diff --git a/imgui.cpp b/imgui.cpp
index 45d39bc..84e1e44 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -5742,14 +5742,12 @@
{
SetWindowPos(window, g.NextWindowData.PosVal, g.NextWindowData.PosCond);
}
- g.NextWindowData.PosCond = 0;
}
if (g.NextWindowData.SizeCond)
{
window_size_x_set_by_api = (window->SetWindowSizeAllowFlags & g.NextWindowData.SizeCond) != 0 && (g.NextWindowData.SizeVal.x > 0.0f);
window_size_y_set_by_api = (window->SetWindowSizeAllowFlags & g.NextWindowData.SizeCond) != 0 && (g.NextWindowData.SizeVal.y > 0.0f);
SetWindowSize(window, g.NextWindowData.SizeVal, g.NextWindowData.SizeCond);
- g.NextWindowData.SizeCond = 0;
}
if (g.NextWindowData.ContentSizeCond)
{
@@ -5757,22 +5755,15 @@
window->SizeContentsExplicit = g.NextWindowData.ContentSizeVal;
if (window->SizeContentsExplicit.y != 0.0f)
window->SizeContentsExplicit.y += window->TitleBarHeight() + window->MenuBarHeight();
- g.NextWindowData.ContentSizeCond = 0;
}
else if (first_begin_of_the_frame)
{
window->SizeContentsExplicit = ImVec2(0.0f, 0.0f);
}
if (g.NextWindowData.CollapsedCond)
- {
SetWindowCollapsed(window, g.NextWindowData.CollapsedVal, g.NextWindowData.CollapsedCond);
- g.NextWindowData.CollapsedCond = 0;
- }
if (g.NextWindowData.FocusCond)
- {
- SetWindowFocus();
- g.NextWindowData.FocusCond = 0;
- }
+ FocusWindow(window);
if (window->Appearing)
SetWindowConditionAllowFlags(window, ImGuiCond_Appearing, false);
@@ -5799,8 +5790,35 @@
window->LastFrameActive = current_frame;
window->IDStack.resize(1);
- // Lock window rounding, border size and rounding so that altering the border sizes for children doesn't have side-effects.
- window->WindowRounding = (flags & ImGuiWindowFlags_ChildWindow) ? style.ChildRounding : ((flags & ImGuiWindowFlags_Popup) && !(flags & ImGuiWindowFlags_Modal)) ? style.PopupRounding : style.WindowRounding;
+ // UPDATE CONTENTS SIZE, UPDATE HIDDEN STATUS
+
+ // Update contents size from last frame for auto-fitting (or use explicit size)
+ window->SizeContents = CalcSizeContents(window);
+ if (window->HiddenFrames > 0)
+ window->HiddenFrames--;
+
+ // 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->HiddenFrames = 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->HiddenFrames = 1;
+ if (flags & ImGuiWindowFlags_AlwaysAutoResize)
+ {
+ if (!window_size_x_set_by_api)
+ window->Size.x = window->SizeFull.x = 0.f;
+ if (!window_size_y_set_by_api)
+ window->Size.y = window->SizeFull.y = 0.f;
+ window->SizeContents = ImVec2(0.f, 0.f);
+ }
+ }
+
+ SetCurrentWindow(window);
+
+ // Lock border size and padding for the frame (so that altering them doesn't cause inconsistencies)
window->WindowBorderSize = (flags & ImGuiWindowFlags_ChildWindow) ? style.ChildBorderSize : ((flags & (ImGuiWindowFlags_Popup | ImGuiWindowFlags_Tooltip)) && !(flags & ImGuiWindowFlags_Modal)) ? style.PopupBorderSize : style.WindowBorderSize;
window->WindowPadding = style.WindowPadding;
if ((flags & ImGuiWindowFlags_ChildWindow) && !(flags & (ImGuiWindowFlags_AlwaysUseWindowPadding | ImGuiWindowFlags_Popup)) && window->WindowBorderSize == 0.0f)
@@ -5828,29 +5846,6 @@
// SIZE
- // Update contents size from last frame for auto-fitting (unless explicitly specified)
- window->SizeContents = CalcSizeContents(window);
-
- // Hide popup/tooltip window when re-opening while we measure size (because we recycle the windows)
- if (window->HiddenFrames > 0)
- window->HiddenFrames--;
- if (window_just_activated_by_user && (flags & (ImGuiWindowFlags_Popup | ImGuiWindowFlags_Tooltip)) != 0)
- {
- window->HiddenFrames = 1;
- if (flags & ImGuiWindowFlags_AlwaysAutoResize)
- {
- if (!window_size_x_set_by_api)
- window->Size.x = window->SizeFull.x = 0.f;
- if (!window_size_y_set_by_api)
- window->Size.y = window->SizeFull.y = 0.f;
- window->SizeContents = ImVec2(0.f, 0.f);
- }
- }
-
- // 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->HiddenFrames = 1;
-
// Calculate auto-fit size, handle automatic resize
const ImVec2 size_auto_fit = CalcSizeAutoFit(window, window->SizeContents);
ImVec2 size_full_modified(FLT_MAX, FLT_MAX);
@@ -5934,6 +5929,9 @@
}
window->Pos = ImFloor(window->Pos);
+ // Lock window rounding for the frame (so that altering them doesn't cause inconsistencies)
+ window->WindowRounding = (flags & ImGuiWindowFlags_ChildWindow) ? style.ChildRounding : ((flags & ImGuiWindowFlags_Popup) && !(flags & ImGuiWindowFlags_Modal)) ? style.PopupRounding : style.WindowRounding;
+
// Prepare for focus requests
window->FocusIdxAllRequestCurrent = (window->FocusIdxAllRequestNext == INT_MAX || window->FocusIdxAllCounter == -1) ? INT_MAX : (window->FocusIdxAllRequestNext + (window->FocusIdxAllCounter+1)) % (window->FocusIdxAllCounter+1);
window->FocusIdxTabRequestCurrent = (window->FocusIdxTabRequestNext == INT_MAX || window->FocusIdxTabCounter == -1) ? INT_MAX : (window->FocusIdxTabRequestNext + (window->FocusIdxTabCounter+1)) % (window->FocusIdxTabCounter+1);
@@ -6225,7 +6223,7 @@
window->WriteAccessed = false;
window->BeginCount++;
- g.NextWindowData.SizeConstraintCond = 0;
+ g.NextWindowData.Clear();
// Child window can be out of sight and have "negative" clip windows.
// Mark them as collapsed so commands are skipped earlier (we can't manually collapse them because they have no title bar).