Drezil/imgui
1
0
Fork 0
mirror of https://github.com/Drezil/imgui.git synced 2025-07-06 04:58:47 +02:00
Code Issues Packages Projects Releases Wiki Activity

Fix OuterRectClipped not being clipped correctly, which resulted in child window outside visible bound to not be marked with SkipItems. Broken in b50c61c961.

Browse Source 
+ Comments on InnerClipRect being misleading. Demo: Tweak to sizing of child window in the Layout->Scrolling section.
This commit is contained in:
omar
2019-05-22 21:43:42 +02:00
parent 34b881eb12
commit a2eec8f5b5
3 changed files with 21 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
imgui.cpp
View File

@ -5463,10 +5463,6 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
window->ContentsRegionRect.Max.x = window->Pos.x - window->Scroll.x - window->WindowPadding.x + (window->SizeContentsExplicit.x != 0.0f ? window->SizeContentsExplicit.x : (window->Size.x - window->ScrollbarSizes.x + ImMin(window->ScrollbarSizes.x, window->WindowBorderSize)));
window->ContentsRegionRect.Max.y = window->Pos.y - window->Scroll.y - window->WindowPadding.y + (window->SizeContentsExplicit.y != 0.0f ? window->SizeContentsExplicit.y : (window->Size.y - window->ScrollbarSizes.y + ImMin(window->ScrollbarSizes.y, window->WindowBorderSize)));
// Save clipped aabb so we can access it in constant-time in FindHoveredWindow()
window->OuterRectClipped = window->Rect();
window->OuterRectClipped.ClipWith(window->ClipRect);
// Inner rectangle
// We set this up after processing the resize grip so that our clip rectangle doesn't lag by a frame
// Note that if our window is collapsed we will end up with an inverted (~null) clipping rectangle which is the correct behavior.
@ -5476,13 +5472,23 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
window->InnerMainRect.Max.x = window->Pos.x + window->Size.x - ImMax(window->ScrollbarSizes.x, window->WindowBorderSize);
window->InnerMainRect.Max.y = window->Pos.y + window->Size.y - ImMax(window->ScrollbarSizes.y, window->WindowBorderSize);
// Outer host rectangle for drawing background and borders
ImRect host_rect = ((flags & ImGuiWindowFlags_ChildWindow) && !(flags & ImGuiWindowFlags_Popup) && !window_is_child_tooltip) ? parent_window->ClipRect : viewport_rect;
// Save clipped aabb so we can access it in constant-time in FindHoveredWindow()
window->OuterRectClipped = window->Rect();
window->OuterRectClipped.ClipWith(host_rect);
// Inner clipping rectangle will extend a little bit outside the work region.
// This is to allow e.g. Selectable or CollapsingHeader or some separators to cover that space.
// Force round operator last to ensure that e.g. (int)(max.x-min.x) in user's render code produce correct result.
// FIXME: This is currently not clipped by the host rectangle, which is misleading because our call to PushClipRect() below will do it anyway.
// If we fix the value in InnerClipRect, which is desirable, we need to fix the two lines of code relying on it.
window->InnerClipRect.Min.x = ImFloor(0.5f + window->InnerMainRect.Min.x + ImMax(0.0f, ImFloor(window->WindowPadding.x * 0.5f - window->WindowBorderSize)));
window->InnerClipRect.Min.y = ImFloor(0.5f + window->InnerMainRect.Min.y);
window->InnerClipRect.Max.x = ImFloor(0.5f + window->InnerMainRect.Max.x - ImMax(0.0f, ImFloor(window->WindowPadding.x * 0.5f - window->WindowBorderSize)));
window->InnerClipRect.Max.y = ImFloor(0.5f + window->InnerMainRect.Max.y);
//window->InnerClipRect.ClipWithFull(host_rect);
// DRAWING
@ -5490,10 +5496,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
window->DrawList->Clear();
window->DrawList->Flags = (g.Style.AntiAliasedLines ? ImDrawListFlags_AntiAliasedLines : 0) | (g.Style.AntiAliasedFill ? ImDrawListFlags_AntiAliasedFill : 0);
window->DrawList->PushTextureID(g.Font->ContainerAtlas->TexID);
if ((flags & ImGuiWindowFlags_ChildWindow) && !(flags & ImGuiWindowFlags_Popup) && !window_is_child_tooltip)
PushClipRect(parent_window->ClipRect.Min, parent_window->ClipRect.Max, true);
else
PushClipRect(viewport_rect.Min, viewport_rect.Max, true);
PushClipRect(host_rect.Min, host_rect.Max, false);
// Draw modal window background (darkens what is behind them, all viewports)
const bool dim_bg_for_modal = (flags & ImGuiWindowFlags_Modal) && window == GetFrontMostPopupModal() && window->HiddenFramesCannotSkipItems <= 0;