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Tidying up Begin() separated blocks needed for auto-resize so it can be moved above position calculation later

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Being cautious again. Hopefully didn't break anything.
This commit is contained in:
ocornut 2015-05-02 12:08:24 +01:00
parent 46f55fe6f6
commit 376a6a5af0
1 changed files with 44 additions and 49 deletions
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93
imgui.cpp
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@ -3262,12 +3262,11 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
window->ScrollY = ImMin(window->ScrollY, ImMax(0.0f, window->SizeContents.y - window->SizeFull.y)); window->ScrollY = ImMin(window->ScrollY, ImMax(0.0f, window->SizeContents.y - window->SizeFull.y));
window->NextScrollY = window->ScrollY; window->NextScrollY = window->ScrollY;
// At this point we don't have a clipping rectangle setup yet, so we can test and draw in title bar // At this point we don't have a clipping rectangle setup yet, so we can use the title bar area for hit detection and drawing
// Collapse window by double-clicking on title bar // Collapse window by double-clicking on title bar
ImRect title_bar_rect = window->TitleBarRect();
if (!(window->Flags & ImGuiWindowFlags_NoTitleBar)) if (!(window->Flags & ImGuiWindowFlags_NoTitleBar))
{ {
if (!(window->Flags & ImGuiWindowFlags_NoCollapse) && g.HoveredWindow == window && IsMouseHoveringRect(title_bar_rect) && g.IO.MouseDoubleClicked[0]) if (!(window->Flags & ImGuiWindowFlags_NoCollapse) && g.HoveredWindow == window && IsMouseHoveringRect(window->TitleBarRect()) && g.IO.MouseDoubleClicked[0])
{ {
window->Collapsed = !window->Collapsed; window->Collapsed = !window->Collapsed;
if (!(window->Flags & ImGuiWindowFlags_NoSavedSettings)) if (!(window->Flags & ImGuiWindowFlags_NoSavedSettings))
@ -3294,17 +3293,35 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
size_auto_fit.x += style.ScrollbarWidth; size_auto_fit.x += style.ScrollbarWidth;
} }
const float window_rounding = (window->Flags & ImGuiWindowFlags_ChildWindow) ? style.ChildWindowRounding : style.WindowRounding; // Update window size
if (window->Collapsed) if (window->Collapsed)
{ {
// We still process initial auto-fit on collapsed windows to get a window width // We still process initial auto-fit on collapsed windows to get a window width
// But otherwise we don't honor ImGuiWindowFlags_AlwaysAutoResize when collapsed. // But otherwise we don't honor ImGuiWindowFlags_AlwaysAutoResize when collapsed.
if (window->AutoFitFrames > 0) if (window->AutoFitFrames > 0)
{
window->SizeFull = window->AutoFitOnlyGrows ? ImMax(window->SizeFull, size_auto_fit) : size_auto_fit; window->SizeFull = window->AutoFitOnlyGrows ? ImMax(window->SizeFull, size_auto_fit) : size_auto_fit;
title_bar_rect = window->TitleBarRect(); }
else
{
if ((window->Flags & ImGuiWindowFlags_Tooltip) != 0 && (window->Flags & ImGuiWindowFlags_AlwaysAutoResize) != 0)
{
// Don't continuously mark settings as dirty, the size of the window doesn't need to be stored.
window->Size = window->SizeFull = size_auto_fit;
} }
else if (window->AutoFitFrames > 0)
{
// Auto-fit only grows during the first few frames
window->Size = window->SizeFull = window->AutoFitOnlyGrows ? ImMax(window->SizeFull, size_auto_fit) : size_auto_fit;
if (!(window->Flags & ImGuiWindowFlags_NoSavedSettings))
MarkSettingsDirty();
}
}
// Draw window + handle manual resize
ImRect title_bar_rect = window->TitleBarRect();
const float window_rounding = (window->Flags & ImGuiWindowFlags_ChildWindow) ? style.ChildWindowRounding : style.WindowRounding;
if (window->Collapsed)
{
// Draw title bar only // Draw title bar only
window->Size = title_bar_rect.GetSize(); window->Size = title_bar_rect.GetSize();
window->DrawList->AddRectFilled(title_bar_rect.GetTL(), title_bar_rect.GetBR(), window->Color(ImGuiCol_TitleBgCollapsed), window_rounding); window->DrawList->AddRectFilled(title_bar_rect.GetTL(), title_bar_rect.GetBR(), window->Color(ImGuiCol_TitleBgCollapsed), window_rounding);
@ -3317,55 +3334,33 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
else else
{ {
ImU32 resize_col = 0; ImU32 resize_col = 0;
if ((window->Flags & ImGuiWindowFlags_Tooltip) != 0) if (!(window->Flags & ImGuiWindowFlags_AlwaysAutoResize) && window->AutoFitFrames <= 0 && !(window->Flags & ImGuiWindowFlags_NoResize))
{ {
window->Size = window->SizeFull = size_auto_fit; // Manual resize grip
} const ImRect resize_rect(window->Rect().GetBR()-ImVec2(14,14), window->Rect().GetBR());
else const ImGuiID resize_id = window->GetID("#RESIZE");
{ bool hovered, held;
if ((window->Flags & ImGuiWindowFlags_AlwaysAutoResize) != 0) ButtonBehavior(resize_rect, resize_id, &hovered, &held, true);
resize_col = window->Color(held ? ImGuiCol_ResizeGripActive : hovered ? ImGuiCol_ResizeGripHovered : ImGuiCol_ResizeGrip);
if (hovered || held)
g.MouseCursor = ImGuiMouseCursor_ResizeNWSE;
if (g.HoveredWindow == window && held && g.IO.MouseDoubleClicked[0])
{ {
// Don't continuously mark settings as dirty, the size of the window doesn't need to be stored. // Manual auto-fit when double-clicking
window->SizeFull = size_auto_fit; window->Size = window->SizeFull = size_auto_fit;
if (!(window->Flags & ImGuiWindowFlags_NoSavedSettings))
MarkSettingsDirty();
SetActiveId(0);
} }
else if (window->AutoFitFrames > 0) else if (held)
{ {
// Auto-fit only grows during the first few frames // Resize
window->SizeFull = window->AutoFitOnlyGrows ? ImMax(window->SizeFull, size_auto_fit) : size_auto_fit; window->Size = window->SizeFull = ImMax(window->SizeFull + g.IO.MouseDelta, style.WindowMinSize);
if (!(window->Flags & ImGuiWindowFlags_NoSavedSettings)) if (!(window->Flags & ImGuiWindowFlags_NoSavedSettings))
MarkSettingsDirty(); MarkSettingsDirty();
} }
else if (!(window->Flags & ImGuiWindowFlags_NoResize))
{
// Manual resize grip
const ImRect resize_rect(window->Rect().GetBR()-ImVec2(14,14), window->Rect().GetBR());
const ImGuiID resize_id = window->GetID("#RESIZE");
bool hovered, held;
ButtonBehavior(resize_rect, resize_id, &hovered, &held, true);
resize_col = window->Color(held ? ImGuiCol_ResizeGripActive : hovered ? ImGuiCol_ResizeGripHovered : ImGuiCol_ResizeGrip);
if (hovered || held)
g.MouseCursor = ImGuiMouseCursor_ResizeNWSE;
if (g.HoveredWindow == window && held && g.IO.MouseDoubleClicked[0])
{
// Manual auto-fit when double-clicking
window->SizeFull = size_auto_fit;
if (!(window->Flags & ImGuiWindowFlags_NoSavedSettings))
MarkSettingsDirty();
SetActiveId(0);
}
else if (held)
{
// Resize
window->SizeFull = ImMax(window->SizeFull + g.IO.MouseDelta, style.WindowMinSize);
if (!(window->Flags & ImGuiWindowFlags_NoSavedSettings))
MarkSettingsDirty();
}
}
// Update rectangle immediately so that rendering right below us isn't one frame late
window->Size = window->SizeFull;
title_bar_rect = window->TitleBarRect(); title_bar_rect = window->TitleBarRect();
} }