Docking: Another attempt at tidying the inconsistent focus / tab bar reordering issues, and toward generalizing single window dock nodes. (#2109)

This commit is contained in:
omar 2018-12-03 23:52:48 +01:00
parent 2da200fc16
commit 8bac6d428d
3 changed files with 25 additions and 19 deletions

View File

@ -10337,7 +10337,7 @@ void ImGui::DockContextProcessDock(ImGuiContext* ctx, ImGuiDockRequest* req)
// Update selection immediately // Update selection immediately
if (ImGuiTabBar* tab_bar = target_node->TabBar) if (ImGuiTabBar* tab_bar = target_node->TabBar)
tab_bar->NextSelectedTabId = tab_bar->WantFocusTabId = next_selected_id; tab_bar->NextSelectedTabId = next_selected_id;
MarkIniSettingsDirty(); MarkIniSettingsDirty();
} }
@ -10461,6 +10461,10 @@ static void ImGui::DockNodeAddWindow(ImGuiDockNode* node, ImGuiWindow* window, b
{ {
node->TabBar = IM_NEW(ImGuiTabBar)(); node->TabBar = IM_NEW(ImGuiTabBar)();
node->TabBar->SelectedTabId = node->TabBar->NextSelectedTabId = node->SelectedTabID; node->TabBar->SelectedTabId = node->TabBar->NextSelectedTabId = node->SelectedTabID;
// Add existing windows
for (int n = 0; n < node->Windows.Size - 1; n++)
TabBarAddTab(node->TabBar, node->Windows[n], ImGuiTabItemFlags_None);
} }
TabBarAddTab(node->TabBar, window, ImGuiTabItemFlags_Unsorted); TabBarAddTab(node->TabBar, window, ImGuiTabItemFlags_Unsorted);
} }
@ -10835,7 +10839,7 @@ static void ImGui::DockNodeUpdate(ImGuiDockNode* node)
char window_label[20]; char window_label[20];
DockNodeGetHostWindowTitle(node, window_label, IM_ARRAYSIZE(window_label)); DockNodeGetHostWindowTitle(node, window_label, IM_ARRAYSIZE(window_label));
ImGuiWindowFlags window_flags = ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoScrollWithMouse | ImGuiWindowFlags_DockNodeHost; ImGuiWindowFlags window_flags = ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoScrollWithMouse | ImGuiWindowFlags_DockNodeHost;
//window_flags |= ImGuiWindowFlags_NoFocusOnAppearing; window_flags |= ImGuiWindowFlags_NoFocusOnAppearing;
window_flags |= ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoNavFocus; window_flags |= ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoNavFocus;
window_flags |= ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoCollapse; window_flags |= ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoCollapse;
@ -11018,6 +11022,8 @@ static void ImGui::DockNodeUpdateTabBar(ImGuiDockNode* node, ImGuiWindow* host_w
if (tab_bar == NULL) if (tab_bar == NULL)
tab_bar = node->TabBar = IM_NEW(ImGuiTabBar)(); tab_bar = node->TabBar = IM_NEW(ImGuiTabBar)();
ImGuiID focus_tab_id = 0;
// Collapse button changes shape and display a list // Collapse button changes shape and display a list
if (IsPopupOpen("#TabListMenu")) if (IsPopupOpen("#TabListMenu"))
{ {
@ -11037,7 +11043,7 @@ static void ImGui::DockNodeUpdateTabBar(ImGuiDockNode* node, ImGuiWindow* host_w
ImGuiTabItem* tab = &tab_bar->Tabs[tab_n]; ImGuiTabItem* tab = &tab_bar->Tabs[tab_n];
IM_ASSERT(tab->Window != NULL); IM_ASSERT(tab->Window != NULL);
if (Selectable(tab->Window->Name, tab->ID == tab_bar->SelectedTabId)) if (Selectable(tab->Window->Name, tab->ID == tab_bar->SelectedTabId))
tab_bar->NextSelectedTabId = tab_bar->WantFocusTabId = tab->ID; focus_tab_id = tab_bar->NextSelectedTabId = tab->ID;
SameLine(); SameLine();
Text(" "); Text(" ");
} }
@ -11046,8 +11052,6 @@ static void ImGui::DockNodeUpdateTabBar(ImGuiDockNode* node, ImGuiWindow* host_w
} }
} }
ImGuiID focus_tab_id = 0;
// Title bar // Title bar
node->IsFocused = is_focused; node->IsFocused = is_focused;
if (is_focused) if (is_focused)
@ -11063,11 +11067,16 @@ static void ImGui::DockNodeUpdateTabBar(ImGuiDockNode* node, ImGuiWindow* host_w
if (IsItemActive()) if (IsItemActive())
focus_tab_id = tab_bar->SelectedTabId; focus_tab_id = tab_bar->SelectedTabId;
// Submit new tabs // Submit new tabs and apply NavWindow focus back to the tab bar. They will be added as Unsorted and sorted below based on relative DockOrder value.
const int tabs_count_old = tab_bar->Tabs.Size; const int tabs_count_old = tab_bar->Tabs.Size;
for (int window_n = 0; window_n < node->Windows.Size; window_n++) for (int window_n = 0; window_n < node->Windows.Size; window_n++)
if (TabBarFindTabByID(tab_bar, node->Windows[window_n]->ID) == NULL) {
TabBarAddTab(tab_bar, node->Windows[window_n], ImGuiTabItemFlags_Unsorted); ImGuiWindow* window = node->Windows[window_n];
if (g.NavWindow && g.NavWindow->RootWindowDockStop == window)
tab_bar->SelectedTabId = window->ID;
if (TabBarFindTabByID(tab_bar, window->ID) == NULL)
TabBarAddTab(tab_bar, window, ImGuiTabItemFlags_Unsorted);
}
// If multiple tabs are appearing on the same frame, sort them based on their persistent DockOrder value // If multiple tabs are appearing on the same frame, sort them based on their persistent DockOrder value
int tabs_unsorted_start = tab_bar->Tabs.Size; int tabs_unsorted_start = tab_bar->Tabs.Size;
@ -11170,13 +11179,13 @@ static void ImGui::DockNodeUpdateTabBar(ImGuiDockNode* node, ImGuiWindow* host_w
} }
// Forward focus from host node to selected window // Forward focus from host node to selected window
if (is_focused && g.NavWindow == host_window && !g.NavWindowingTarget) //if (is_focused && g.NavWindow == host_window && !g.NavWindowingTarget)
focus_tab_id = tab_bar->SelectedTabId; // focus_tab_id = tab_bar->SelectedTabId;
// When clicked on a tab we requested focus to the docked child // When clicked on a tab we requested focus to the docked child
// This overrides the value set by "forward focus from host node to selected window". // This overrides the value set by "forward focus from host node to selected window".
if (tab_bar->WantFocusTabId) if (tab_bar->NextSelectedTabId)
focus_tab_id = tab_bar->WantFocusTabId; focus_tab_id = tab_bar->NextSelectedTabId;
// Apply navigation focus // Apply navigation focus
if (focus_tab_id != 0) if (focus_tab_id != 0)

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@ -1355,7 +1355,6 @@ struct ImGuiTabBar
ImGuiID SelectedTabId; // Selected tab ImGuiID SelectedTabId; // Selected tab
ImGuiID NextSelectedTabId; ImGuiID NextSelectedTabId;
ImGuiID VisibleTabId; // Can occasionally be != SelectedTabId (e.g. when previewing contents for CTRL+TAB preview) ImGuiID VisibleTabId; // Can occasionally be != SelectedTabId (e.g. when previewing contents for CTRL+TAB preview)
ImGuiID WantFocusTabId; // Request focus for the window associated to this tab. Used and only honored by DockNode (meaningless for standalone tab bars)
int CurrFrameVisible; int CurrFrameVisible;
int PrevFrameVisible; int PrevFrameVisible;
ImRect BarRect; ImRect BarRect;

View File

@ -5813,7 +5813,7 @@ namespace ImGui
ImGuiTabBar::ImGuiTabBar() ImGuiTabBar::ImGuiTabBar()
{ {
ID = 0; ID = 0;
SelectedTabId = NextSelectedTabId = VisibleTabId = WantFocusTabId = 0; SelectedTabId = NextSelectedTabId = VisibleTabId = 0;
CurrFrameVisible = PrevFrameVisible = -1; CurrFrameVisible = PrevFrameVisible = -1;
OffsetMax = OffsetNextTab = 0.0f; OffsetMax = OffsetNextTab = 0.0f;
ScrollingAnim = ScrollingTarget = 0.0f; ScrollingAnim = ScrollingTarget = 0.0f;
@ -5960,7 +5960,6 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar)
// Setup next selected tab // Setup next selected tab
ImGuiID scroll_track_selected_tab_id = 0; ImGuiID scroll_track_selected_tab_id = 0;
tab_bar->WantFocusTabId = 0;
if (tab_bar->NextSelectedTabId) if (tab_bar->NextSelectedTabId)
{ {
tab_bar->SelectedTabId = tab_bar->NextSelectedTabId; tab_bar->SelectedTabId = tab_bar->NextSelectedTabId;
@ -6157,7 +6156,6 @@ void ImGui::TabBarRemoveTab(ImGuiTabBar* tab_bar, ImGuiID tab_id)
if (ImGuiTabItem* tab = TabBarFindTabByID(tab_bar, tab_id)) if (ImGuiTabItem* tab = TabBarFindTabByID(tab_bar, tab_id))
tab_bar->Tabs.erase(tab); tab_bar->Tabs.erase(tab);
if (tab_bar->VisibleTabId == tab_id) { tab_bar->VisibleTabId = 0; } if (tab_bar->VisibleTabId == tab_id) { tab_bar->VisibleTabId = 0; }
if (tab_bar->WantFocusTabId == tab_id) { tab_bar->WantFocusTabId = 0; }
if (tab_bar->SelectedTabId == tab_id) { tab_bar->SelectedTabId = 0; } if (tab_bar->SelectedTabId == tab_id) { tab_bar->SelectedTabId = 0; }
if (tab_bar->NextSelectedTabId == tab_id) { tab_bar->NextSelectedTabId = 0; } if (tab_bar->NextSelectedTabId == tab_id) { tab_bar->NextSelectedTabId = 0; }
} }
@ -6447,8 +6445,8 @@ bool ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open,
bool hovered, held; bool hovered, held;
bool pressed = ButtonBehavior(bb, id, &hovered, &held, button_flags); bool pressed = ButtonBehavior(bb, id, &hovered, &held, button_flags);
hovered |= (g.HoveredId == id); hovered |= (g.HoveredId == id);
if (pressed || ((flags & ImGuiTabItemFlags_SetSelected) && !tab_contents_visible)) // SetSelected can only be passed on explicit tab bar, so we don't need to set WantFocusTabId if (pressed || ((flags & ImGuiTabItemFlags_SetSelected) && !tab_contents_visible)) // SetSelected can only be passed on explicit tab bar
tab_bar->NextSelectedTabId = tab_bar->WantFocusTabId = id; tab_bar->NextSelectedTabId = id;
// Allow the close button to overlap unless we are dragging (in which case we don't want any overlapping tabs to be hovered) // Allow the close button to overlap unless we are dragging (in which case we don't want any overlapping tabs to be hovered)
if (!held) if (!held)
@ -6531,7 +6529,7 @@ bool ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open,
// Select with right mouse button. This is so the common idiom for context menu automatically highlight the current widget. // Select with right mouse button. This is so the common idiom for context menu automatically highlight the current widget.
const bool hovered_unblocked = IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup); const bool hovered_unblocked = IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup);
if (hovered_unblocked && (IsMouseClicked(1) || IsMouseReleased(1))) if (hovered_unblocked && (IsMouseClicked(1) || IsMouseReleased(1)))
tab_bar->NextSelectedTabId = tab_bar->WantFocusTabId = id; tab_bar->NextSelectedTabId = id;
if (tab_bar->Flags & ImGuiTabBarFlags_NoCloseWithMiddleMouseButton) if (tab_bar->Flags & ImGuiTabBarFlags_NoCloseWithMiddleMouseButton)
flags |= ImGuiTabItemFlags_NoCloseWithMiddleMouseButton; flags |= ImGuiTabItemFlags_NoCloseWithMiddleMouseButton;