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Docking: Made close button enable logic consistent on dockspace. When no docked window have a close button or it is disabled on the node, the space is given to tabs.

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Clarified close_button_is_visible vs close_button_is_enabled behavior in DockNodeUpdateTabBar().. (#3633, #3521)
Reduced alpha of disabled close button a little bit further.
Removed 'EnableCloseButton' which was actually unused (can't be infered early, need ->VisibleWindow anyway, which is not == ->ActiveWindow)
docking
ocornut 4 years ago
parent 7180e9ac66
commit 3d75f438bc
2 changed files with 24 additions and 23 deletions
Show Stats Download Patch File Download Diff File

44
imgui.cpp
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@ -12838,7 +12838,7 @@ ImGuiDockNode::ImGuiDockNode(ImGuiID id)
AuthorityForPos = AuthorityForSize = ImGuiDataAuthority_DockNode;
AuthorityForViewport = ImGuiDataAuthority_Auto;
IsVisible = true;
IsFocused = HasCloseButton = HasWindowMenuButton = EnableCloseButton = false;
IsFocused = HasCloseButton = HasWindowMenuButton = false;
WantCloseAll = WantLockSizeOnce = WantMouseMove = WantHiddenTabBarUpdate = WantHiddenTabBarToggle = false;
MarkedForPosSizeWrite = false;
}
@ -13148,6 +13148,7 @@ static void ImGui::DockNodeUpdateVisibleFlagAndInactiveChilds(ImGuiDockNode* nod
}
else
{
// FIXME-DOCKING: Missing policies for conflict resolution, hence the "Experimental" tag on this.
node->LocalFlags &= ~window->WindowClass.DockNodeFlagsOverrideClear;
node->LocalFlags |= window->WindowClass.DockNodeFlagsOverrideSet;
}
@ -13272,7 +13273,7 @@ static void ImGui::DockNodeUpdate(ImGuiDockNode* node)
node->State = ImGuiDockNodeState_HostWindowHiddenBecauseSingleWindow;
node->WantCloseAll = false;
node->WantCloseTabId = 0;
node->HasCloseButton = node->HasWindowMenuButton = node->EnableCloseButton = false;
node->HasCloseButton = node->HasWindowMenuButton = false;
node->LastFrameActive = g.FrameCount;
if (node->WantMouseMove && node->Windows.Size == 1)
@ -13307,6 +13308,19 @@ static void ImGui::DockNodeUpdate(ImGuiDockNode* node)
const ImGuiDockNodeFlags node_flags = node->GetMergedFlags();
// Decide if the node will have a close button and a window menu button
node->HasWindowMenuButton = (node->Windows.Size > 0) && (node_flags & ImGuiDockNodeFlags_NoWindowMenuButton) == 0;
node->HasCloseButton = false;
for (int window_n = 0; window_n < node->Windows.Size; window_n++)
{
// FIXME-DOCK: Setting DockIsActive here means that for single active window in a leaf node, DockIsActive will be cleared until the next Begin() call.
ImGuiWindow* window = node->Windows[window_n];
node->HasCloseButton |= window->HasCloseButton;
window->DockIsActive = (node->Windows.Size > 1);
}
if (node_flags & ImGuiDockNodeFlags_NoCloseButton)
node->HasCloseButton = false;
// Bind or create host window
ImGuiWindow* host_window = NULL;
bool beginned_into_host_window = false;
@ -13314,25 +13328,11 @@ static void ImGui::DockNodeUpdate(ImGuiDockNode* node)
{
// [Explicit root dockspace node]
IM_ASSERT(node->HostWindow);
node->EnableCloseButton = false;
node->HasCloseButton = (node_flags & ImGuiDockNodeFlags_NoCloseButton) == 0;
node->HasWindowMenuButton = (node_flags & ImGuiDockNodeFlags_NoWindowMenuButton) == 0;
host_window = node->HostWindow;
}
else
{
// [Automatic root or child nodes]
node->EnableCloseButton = false;
node->HasCloseButton = (node->Windows.Size > 0) && (node_flags & ImGuiDockNodeFlags_NoCloseButton) == 0;
node->HasWindowMenuButton = (node->Windows.Size > 0) && (node_flags & ImGuiDockNodeFlags_NoWindowMenuButton) == 0;
for (int window_n = 0; window_n < node->Windows.Size; window_n++)
{
// FIXME-DOCK: Setting DockIsActive here means that for single active window in a leaf node, DockIsActive will be cleared until the next Begin() call.
ImGuiWindow* window = node->Windows[window_n];
window->DockIsActive = (node->Windows.Size > 1);
node->EnableCloseButton |= window->HasCloseButton;
}
if (node->IsRootNode() && node->IsVisible)
{
ImGuiWindow* ref_window = (node->Windows.Size > 0) ? node->Windows[0] : NULL;
@ -13638,7 +13638,6 @@ static void ImGui::DockNodeUpdateTabBar(ImGuiDockNode* node, ImGuiWindow* host_w
const ImGuiDockNodeFlags node_flags = node->GetMergedFlags();
const bool has_window_menu_button = (node_flags & ImGuiDockNodeFlags_NoWindowMenuButton) == 0 && (style.WindowMenuButtonPosition != ImGuiDir_None);
const bool has_close_button = (node_flags & ImGuiDockNodeFlags_NoCloseButton) == 0;
// In a dock node, the Collapse Button turns into the Window Menu button.
// FIXME-DOCK FIXME-OPT: Could we recycle popups id across multiple dock nodes?
@ -13764,12 +13763,15 @@ static void ImGui::DockNodeUpdateTabBar(ImGuiDockNode* node, ImGuiWindow* host_w
// Close button (after VisibleWindow was updated)
// Note that VisibleWindow may have been overrided by CTRL+Tabbing, so VisibleWindow->ID may be != from tab_bar->SelectedTabId
if (has_close_button && node->VisibleWindow)
const bool close_button_is_enabled = node->HasCloseButton && node->VisibleWindow && node->VisibleWindow->HasCloseButton;
const bool close_button_is_visible = node->HasCloseButton;
//const bool close_button_is_visible = close_button_is_enabled; // Most people would expect this behavior of not even showing the button (leaving a hole since we can't claim that space as other windows in the tba bar have one)
if (close_button_is_visible)
{
if (!node->VisibleWindow->HasCloseButton)
if (!close_button_is_enabled)
{
PushItemFlag(ImGuiItemFlags_Disabled, true);
PushStyleColor(ImGuiCol_Text, style.Colors[ImGuiCol_Text] * ImVec4(1.0f,1.0f,1.0f,0.5f));
PushStyleColor(ImGuiCol_Text, style.Colors[ImGuiCol_Text] * ImVec4(1.0f,1.0f,1.0f,0.4f));
}
const float button_sz = g.FontSize;
if (CloseButton(host_window->GetID("#CLOSE"), title_bar_rect.GetTR() + ImVec2(-style.FramePadding.x * 2.0f - button_sz, 0.0f)))
@ -13780,7 +13782,7 @@ static void ImGui::DockNodeUpdateTabBar(ImGuiDockNode* node, ImGuiWindow* host_w
}
//if (IsItemActive())
// focus_tab_id = tab_bar->SelectedTabId;
if (!node->VisibleWindow->HasCloseButton)
if (!close_button_is_enabled)
{
PopStyleColor();
PopItemFlag();

3
imgui_internal.h
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@ -1233,9 +1233,8 @@ struct ImGuiDockNode
ImGuiDataAuthority AuthorityForViewport :3;
bool IsVisible :1; // Set to false when the node is hidden (usually disabled as it has no active window)
bool IsFocused :1;
bool HasCloseButton :1;
bool HasCloseButton :1; // Provide space for a close button (if any of the docked window has one). Note that button may be hidden on window without one.
bool HasWindowMenuButton :1;
bool EnableCloseButton :1;
bool WantCloseAll :1; // Set when closing all tabs at once.
bool WantLockSizeOnce :1;
bool WantMouseMove :1; // After a node extraction we need to transition toward moving the newly created host window

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