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Fix resizing viewport-owning windows when mouse pos is outside the InnerClipRect (can happen with OS decoration on). (#1542)

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omar 2020-01-27 17:57:07 +01:00
parent f5528001f6
commit 377f730054
1 changed files with 6 additions and 0 deletions
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6
imgui.cpp
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@ -5403,9 +5403,12 @@ static bool ImGui::UpdateManualResize(ImGuiWindow* window, const ImVec2& size_au
ImRect resize_rect(corner - grip.InnerDir * grip_hover_outer_size, corner + grip.InnerDir * grip_hover_inner_size);
if (resize_rect.Min.x > resize_rect.Max.x) ImSwap(resize_rect.Min.x, resize_rect.Max.x);
if (resize_rect.Min.y > resize_rect.Max.y) ImSwap(resize_rect.Min.y, resize_rect.Max.y);
ImVec2 resize_rect_ref_min = resize_rect.Min;
resize_rect.ClipWith(clip_viewport_rect);
bool hovered, held;
ButtonBehavior(resize_rect, window->GetID(resize_grip_n), &hovered, &held, ImGuiButtonFlags_FlattenChildren | ImGuiButtonFlags_NoNavFocus);
if (held && g.ActiveIdIsJustActivated)
g.ActiveIdClickOffset = g.IO.MousePos - resize_rect_ref_min; // Override our reference click offset as viewport clipping may be moved it.
//GetForegroundDrawList(window)->AddRect(resize_rect.Min, resize_rect.Max, IM_COL32(255, 255, 0, 255));
if (hovered || held)
g.MouseCursor = (resize_grip_n & 1) ? ImGuiMouseCursor_ResizeNESW : ImGuiMouseCursor_ResizeNWSE;
@ -5431,8 +5434,11 @@ static bool ImGui::UpdateManualResize(ImGuiWindow* window, const ImVec2& size_au
{
bool hovered, held;
ImRect border_rect = GetResizeBorderRect(window, border_n, grip_hover_inner_size, WINDOWS_RESIZE_FROM_EDGES_HALF_THICKNESS);
ImVec2 border_rect_ref_min = border_rect.Min;
border_rect.ClipWith(clip_viewport_rect);
ButtonBehavior(border_rect, window->GetID(border_n + 4), &hovered, &held, ImGuiButtonFlags_FlattenChildren);
if (held && g.ActiveIdIsJustActivated)
g.ActiveIdClickOffset = g.IO.MousePos - border_rect_ref_min; // Override our reference click offset as viewport clipping may be moved it.
//GetForegroundDrawLists(window)->AddRect(border_rect.Min, border_rect.Max, IM_COL32(255, 255, 0, 255));
if ((hovered && g.HoveredIdTimer > WINDOWS_RESIZE_FROM_EDGES_FEEDBACK_TIMER) || held)
{