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Docking: Can undock from the small triangle button. (#2109,. #2645)

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This commit is contained in:
omar 2019-11-22 22:35:04 +01:00
parent 106184bbea
commit 3a82994429
2 changed files with 11 additions and 7 deletions
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14
imgui.cpp
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@ -5511,18 +5511,22 @@ void ImGui::RenderWindowDecorations(ImGuiWindow* window, const ImRect& title_bar
window->DrawList->AddLine(menu_bar_rect.GetBL(), menu_bar_rect.GetBR(), GetColorU32(ImGuiCol_Border), style.FrameBorderSize);
}
// Docking: Unhide tab bar (small triangle in the corner)
if (window->DockNode && window->DockNode->IsHiddenTabBar() && !window->DockNode->IsNoTabBar())
// Docking: Unhide tab bar (small triangle in the corner), drag from small triangle to quickly undock
ImGuiDockNode* node = window->DockNode;
if (node && window->DockIsActive && node->IsHiddenTabBar() && !node->IsNoTabBar())
{
float unhide_sz_draw = ImFloor(g.FontSize * 0.70f);
float unhide_sz_hit = ImFloor(g.FontSize * 0.55f);
ImVec2 p = window->DockNode->Pos;
ImVec2 p = node->Pos;
ImRect r(p, p + ImVec2(unhide_sz_hit, unhide_sz_hit));
bool hovered, held;
if (ButtonBehavior(r, window->GetID("#UNHIDE"), &hovered, &held, ImGuiButtonFlags_FlattenChildren))
window->DockNode->WantHiddenTabBarToggle = true;
node->WantHiddenTabBarToggle = true;
else if (held && IsMouseDragging(0))
StartMouseDragFromTitleBar(window, node, true);
// FIXME-DOCK: Ideally we'd use ImGuiCol_TitleBgActive/ImGuiCol_TitleBg here, but neither is guaranteed to be visible enough at this sort of size..
ImU32 col = GetColorU32(((held && hovered) || (window->DockNode->IsFocused && !hovered)) ? ImGuiCol_ButtonActive : hovered ? ImGuiCol_ButtonHovered : ImGuiCol_Button);
ImU32 col = GetColorU32(((held && hovered) || (node->IsFocused && !hovered)) ? ImGuiCol_ButtonActive : hovered ? ImGuiCol_ButtonHovered : ImGuiCol_Button);
window->DrawList->AddTriangleFilled(p, p + ImVec2(unhide_sz_draw, 0.0f), p + ImVec2(0.0f, unhide_sz_draw), col);
}

4
imgui.h
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@ -1610,11 +1610,11 @@ struct ImGuiSizeCallbackData
// Provide hints to the platform back-end via altered viewport flags (enable/disable OS decoration, OS task bar icons, etc.) and OS level parent/child relationships.
struct ImGuiWindowClass
{
ImGuiID ClassId; // User data. 0 = Default class (unclassed)
ImGuiID ClassId; // User data. 0 = Default class (unclassed). Windows of different classes cannot be docked with each others.
ImGuiID ParentViewportId; // Hint for the platform back-end. If non-zero, the platform back-end can create a parent<>child relationship between the platform windows. Not conforming back-ends are free to e.g. parent every viewport to the main viewport or not.
ImGuiViewportFlags ViewportFlagsOverrideSet; // Viewport flags to set when a window of this class owns a viewport. This allows you to enforce OS decoration or task bar icon, override the defaults on a per-window basis.
ImGuiViewportFlags ViewportFlagsOverrideClear; // Viewport flags to clear when a window of this class owns a viewport. This allows you to enforce OS decoration or task bar icon, override the defaults on a per-window basis.
bool DockingAlwaysTabBar; // Set to true to enforce single floating windows of this class always having their own tab bar (equivalent of setting the global io.ConfigDockingAlwaysTabBar)
bool DockingAlwaysTabBar; // Set to true to enforce single floating windows of this class always having their own docking node (equivalent of setting the global io.ConfigDockingAlwaysTabBar)
bool DockingAllowUnclassed; // Set to true to allow windows of this class to be docked/merged with an unclassed window.
ImGuiWindowClass() { ClassId = 0; ParentViewportId = 0; ViewportFlagsOverrideSet = ViewportFlagsOverrideClear = 0x00; DockingAlwaysTabBar = false; DockingAllowUnclassed = true; }