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AutoFit can be triggered on each axis separately via SetNextWindowSize() (mentioned in #249)

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features/sdl_renderer3_multiviewports
ocornut ago%!(EXTRA string=10 years)
parent 975ef00682
commit af5890b276
1 changed files with 40 additions and 21 deletions
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  1. 61
      imgui.cpp

61
imgui.cpp
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@ -1419,7 +1419,7 @@ struct ImGuiWindow
bool SkipItems; // == Visible && !Collapsed
int BeginCount; // Number of Begin() during the current frame (generally 0 or 1, 1+ if appending via multiple Begin/End pairs)
ImGuiID PopupID; // ID in the popup stack when this window is used as a popup/menu (because we use generic Name/ID for recycling)
int AutoFitFrames;
int AutoFitFramesX, AutoFitFramesY;
bool AutoFitOnlyGrows;
int AutoPosLastDirection;
int HiddenFrames;
@ -1783,7 +1783,7 @@ ImGuiWindow::ImGuiWindow(const char* name)
SkipItems = false;
BeginCount = 0;
PopupID = 0;
AutoFitFrames = -1;
AutoFitFramesX = AutoFitFramesY = -1;
AutoFitOnlyGrows = false;
AutoPosLastDirection = -1;
HiddenFrames = 0;
@ -3499,13 +3499,16 @@ static ImGuiWindow* CreateNewWindow(const char* name, ImVec2 size, ImGuiWindowFl
if ((flags & ImGuiWindowFlags_AlwaysAutoResize) != 0)
{
window->AutoFitFrames = 2;
window->AutoFitFramesX = window->AutoFitFramesY = 2;
window->AutoFitOnlyGrows = false;
}
else if (ImLengthSqr(window->Size) < 0.00001f)
else
{
window->AutoFitFrames = 2;
window->AutoFitOnlyGrows = true;
if (window->Size.x <= 0.0f)
window->AutoFitFramesX = 2;
if (window->Size.y <= 0.0f)
window->AutoFitFramesY = 2;
window->AutoFitOnlyGrows = (window->AutoFitFramesX > 0) || (window->AutoFitFramesY > 0);
}
g.Windows.push_back(window);
@ -3705,8 +3708,10 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
{
// We still process initial auto-fit on collapsed windows to get a window width,
// But otherwise we don't honor ImGuiWindowFlags_AlwaysAutoResize when collapsed.
if (window->AutoFitFrames > 0)
window->SizeFull = window->AutoFitOnlyGrows ? ImMax(window->SizeFull, size_auto_fit) : size_auto_fit;
if (window->AutoFitFramesX > 0)
window->SizeFull.x = window->AutoFitOnlyGrows ? ImMax(window->SizeFull.x, size_auto_fit.x) : size_auto_fit.x;
if (window->AutoFitFramesY > 0)
window->SizeFull.y = window->AutoFitOnlyGrows ? ImMax(window->SizeFull.y, size_auto_fit.y) : size_auto_fit.y;
window->Size = window->TitleBarRect().GetSize();
}
else
@ -3715,10 +3720,13 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
{
window->SizeFull = size_auto_fit;
}
else if (window->AutoFitFrames > 0 && !window_size_set_by_api)
else if ((window->AutoFitFramesX > 0 || window->AutoFitFramesY > 0) && !window_size_set_by_api)
{
// Auto-fit only grows during the first few frames
window->SizeFull = window->AutoFitOnlyGrows ? ImMax(window->SizeFull, size_auto_fit) : size_auto_fit;
if (window->AutoFitFramesX > 0)
window->SizeFull.x = window->AutoFitOnlyGrows ? ImMax(window->SizeFull.x, size_auto_fit.x) : size_auto_fit.x;
if (window->AutoFitFramesY > 0)
window->SizeFull.y = window->AutoFitOnlyGrows ? ImMax(window->SizeFull.y, size_auto_fit.y) : size_auto_fit.y;
if (!(flags & ImGuiWindowFlags_NoSavedSettings))
MarkSettingsDirty();
}
@ -3801,7 +3809,7 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
// Clamp position so it stays visible
if (!(flags & ImGuiWindowFlags_ChildWindow) && !(flags & ImGuiWindowFlags_Tooltip))
{
if (!window_pos_set_by_api && window->AutoFitFrames <= 0 && g.IO.DisplaySize.x > 0.0f && g.IO.DisplaySize.y > 0.0f) // Ignore zero-sized display explicitly to avoid losing positions if a window manager reports zero-sized window when initializing or minimizing.
if (!window_pos_set_by_api && window->AutoFitFramesX <= 0 && window->AutoFitFramesY <= 0 && g.IO.DisplaySize.x > 0.0f && g.IO.DisplaySize.y > 0.0f) // Ignore zero-sized display explicitly to avoid losing positions if a window manager reports zero-sized window when initializing or minimizing.
{
ImVec2 padding = ImMax(style.DisplayWindowPadding, style.DisplaySafeAreaPadding);
window->PosFloat = ImMax(window->PosFloat + window->Size, padding) - window->Size;
@ -3855,7 +3863,7 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
else
{
ImU32 resize_col = 0;
if (!(flags & ImGuiWindowFlags_AlwaysAutoResize) && window->AutoFitFrames <= 0 && !(flags & ImGuiWindowFlags_NoResize))
if (!(flags & ImGuiWindowFlags_AlwaysAutoResize) && window->AutoFitFramesX <= 0 && window->AutoFitFramesY <= 0 && !(flags & ImGuiWindowFlags_NoResize))
{
// Manual resize
const ImRect resize_rect(window->Rect().GetBR()-ImVec2(14,14), window->Rect().GetBR());
@ -3980,8 +3988,10 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
window->DC.GroupStack.resize(0);
window->MenuColumns.Update(3, style.ItemSpacing.x, !window_was_visible);
if (window->AutoFitFrames > 0)
window->AutoFitFrames--;
if (window->AutoFitFramesX > 0)
window->AutoFitFramesX--;
if (window->AutoFitFramesY > 0)
window->AutoFitFramesY--;
// Title bar
if (!(flags & ImGuiWindowFlags_NoTitleBar))
@ -4039,7 +4049,7 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
IM_ASSERT((flags & ImGuiWindowFlags_NoTitleBar) != 0);
window->Collapsed = parent_window && parent_window->Collapsed;
if (!(flags & ImGuiWindowFlags_AlwaysAutoResize) && window->AutoFitFrames <= 0)
if (!(flags & ImGuiWindowFlags_AlwaysAutoResize) && window->AutoFitFramesX <= 0 && window->AutoFitFramesY <= 0)
{
const ImVec4 clip_rect_t = window->ClipRectStack.back();
window->Collapsed |= (clip_rect_t.x >= clip_rect_t.z || clip_rect_t.y >= clip_rect_t.w);
@ -4054,7 +4064,7 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
window->Active = false;
// 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->AutoFitFrames <= 0;
window->SkipItems = (window->Collapsed || !window->Active) && window->AutoFitFramesX <= 0 && window->AutoFitFramesY <= 0;
return !window->SkipItems;
}
@ -4528,15 +4538,24 @@ static void SetWindowSize(ImGuiWindow* window, const ImVec2& size, ImGuiSetCond
window->SetWindowSizeAllowFlags &= ~(ImGuiSetCond_Once | ImGuiSetCond_FirstUseEver | ImGuiSetCond_Appearing);
// Set
if (ImLengthSqr(size) > 0.00001f)
if (size.x > 0.0f)
{
window->AutoFitFramesX = 0;
window->SizeFull.x = size.x;
}
else
{
window->AutoFitFramesX = 2;
window->AutoFitOnlyGrows = false;
}
if (size.y > 0.0f)
{
window->SizeFull = size;
window->AutoFitFrames = 0;
window->AutoFitFramesY = 0;
window->SizeFull.y = size.y;
}
else
{
// Autofit
window->AutoFitFrames = 2;
window->AutoFitFramesY = 2;
window->AutoFitOnlyGrows = false;
}
}

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