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Internals: Docking: More fixes to make DockNodeBeginAmendTabBar() viable (probably some issues left)

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docking
ocornut 4 years ago
parent b26f1530b7
commit d3a80d9f1b
2 changed files with 37 additions and 27 deletions
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46
imgui.cpp
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@ -6747,7 +6747,7 @@ void ImGui::End()
IM_ASSERT(g.CurrentWindowStack.Size > 0);
// Error checking: verify that user doesn't directly call End() on a child window.
if ((window->Flags & ImGuiWindowFlags_ChildWindow) && !window->DockIsActive)
if ((window->Flags & ImGuiWindowFlags_ChildWindow) && !(window->Flags & ImGuiWindowFlags_DockNodeHost) && !window->DockIsActive)
IM_ASSERT_USER_ERROR(g.WithinEndChild, "Must call EndChild() and not End()!");
// Close anything that is open
@ -12705,7 +12705,7 @@ static void ImGui::DockNodeMoveWindows(ImGuiDockNode* dst_node, ImGuiDockNode* s
IM_ASSERT(src_node && dst_node && dst_node != src_node);
ImGuiTabBar* src_tab_bar = src_node->TabBar;
if (src_tab_bar != NULL)
IM_ASSERT(src_node->Windows.Size == src_node->TabBar->Tabs.Size);
IM_ASSERT(src_node->Windows.Size <= src_node->TabBar->Tabs.Size);
// If the dst_node is empty we can just move the entire tab bar (to preserve selection, scrolling, etc.)
bool move_tab_bar = (src_tab_bar != NULL) && (dst_node->TabBar == NULL);
@ -12717,11 +12717,14 @@ static void ImGui::DockNodeMoveWindows(ImGuiDockNode* dst_node, ImGuiDockNode* s
for (int n = 0; n < src_node->Windows.Size; n++)
{
ImGuiWindow* window = src_tab_bar ? src_tab_bar->Tabs[n].Window : src_node->Windows[n];
// DockNode's TabBar may have non-window Tabs manually appended by user
if (ImGuiWindow* window = src_tab_bar ? src_tab_bar->Tabs[n].Window : src_node->Windows[n])
{
window->DockNode = NULL;
window->DockIsActive = false;
DockNodeAddWindow(dst_node, window, move_tab_bar ? false : true);
}
}
src_node->Windows.clear();
if (!move_tab_bar && src_node->TabBar)
@ -13233,9 +13236,9 @@ static ImGuiID ImGui::DockNodeUpdateWindowMenu(ImGuiDockNode* node, ImGuiTabBar*
for (int tab_n = 0; tab_n < tab_bar->Tabs.Size; tab_n++)
{
ImGuiTabItem* tab = &tab_bar->Tabs[tab_n];
if (tab->Window == NULL)
if (tab->Flags & ImGuiTabItemFlags_Button)
continue;
if (Selectable(tab->Window->Name, tab->ID == tab_bar->SelectedTabId))
if (Selectable(tab_bar->GetTabName(tab), tab->ID == tab_bar->SelectedTabId))
ret_tab_id = tab->ID;
SameLine();
Text(" ");
@ -13251,6 +13254,8 @@ bool ImGui::DockNodeBeginAmendTabBar(ImGuiDockNode* node)
{
if (node->TabBar == NULL || node->HostWindow == NULL)
return false;
if (node->SharedFlags & ImGuiDockNodeFlags_KeepAliveOnly)
return false;
Begin(node->HostWindow->Name);
PushOverrideID(node->ID);
bool ret = BeginTabBarEx(node->TabBar, node->TabBar->BarRect, node->TabBar->Flags, node);
@ -13484,7 +13489,7 @@ static void ImGui::DockNodeUpdateTabBar(ImGuiDockNode* node, ImGuiWindow* host_w
// Forward moving request to selected window
if (ImGuiTabItem* tab = TabBarFindTabByID(tab_bar, tab_bar->SelectedTabId))
StartMouseMovingWindowOrNode(tab->Window, node, false);
StartMouseMovingWindowOrNode(tab->Window ? tab->Window : node->HostWindow, node, false);
}
}
@ -13500,6 +13505,7 @@ static void ImGui::DockNodeUpdateTabBar(ImGuiDockNode* node, ImGuiWindow* host_w
// Apply navigation focus
if (focus_tab_id != 0)
if (ImGuiTabItem* tab = TabBarFindTabByID(tab_bar, focus_tab_id))
if (tab->Window)
{
FocusWindow(tab->Window);
NavInitWindow(tab->Window, false);
@ -13819,25 +13825,29 @@ static void ImGui::DockNodePreviewDockRender(ImGuiWindow* host_window, ImGuiDock
// Draw tab shape/label preview (payload may be a loose window or a host window carrying multiple tabbed windows)
if (root_payload->DockNodeAsHost)
IM_ASSERT(root_payload->DockNodeAsHost->Windows.Size == root_payload->DockNodeAsHost->TabBar->Tabs.Size);
const int payload_count = root_payload->DockNodeAsHost ? root_payload->DockNodeAsHost->TabBar->Tabs.Size : 1;
IM_ASSERT(root_payload->DockNodeAsHost->Windows.Size <= root_payload->DockNodeAsHost->TabBar->Tabs.Size);
ImGuiTabBar* tab_bar_with_payload = root_payload->DockNodeAsHost ? root_payload->DockNodeAsHost->TabBar : NULL;
const int payload_count = tab_bar_with_payload ? tab_bar_with_payload->Tabs.Size : 1;
for (int payload_n = 0; payload_n < payload_count; payload_n++)
{
// Calculate the tab bounding box for each payload window
ImGuiWindow* payload = root_payload->DockNodeAsHost ? root_payload->DockNodeAsHost->TabBar->Tabs[payload_n].Window : root_payload;
if (!DockNodeIsDropAllowedOne(payload, host_window))
// DockNode's TabBar may have non-window Tabs manually appended by user
ImGuiWindow* payload_window = tab_bar_with_payload ? tab_bar_with_payload->Tabs[payload_n].Window : root_payload;
if (tab_bar_with_payload && payload_window == NULL)
continue;
if (!DockNodeIsDropAllowedOne(payload_window, host_window))
continue;
ImVec2 tab_size = TabItemCalcSize(payload->Name, payload->HasCloseButton);
// Calculate the tab bounding box for each payload window
ImVec2 tab_size = TabItemCalcSize(payload_window->Name, payload_window->HasCloseButton);
ImRect tab_bb(tab_pos.x, tab_pos.y, tab_pos.x + tab_size.x, tab_pos.y + tab_size.y);
tab_pos.x += tab_size.x + g.Style.ItemInnerSpacing.x;
for (int overlay_n = 0; overlay_n < overlay_draw_lists_count; overlay_n++)
{
ImGuiTabItemFlags tab_flags = ImGuiTabItemFlags_Preview | ((payload->Flags & ImGuiWindowFlags_UnsavedDocument) ? ImGuiTabItemFlags_UnsavedDocument : 0);
ImGuiTabItemFlags tab_flags = ImGuiTabItemFlags_Preview | ((payload_window->Flags & ImGuiWindowFlags_UnsavedDocument) ? ImGuiTabItemFlags_UnsavedDocument : 0);
if (!tab_bar_rect.Contains(tab_bb))
overlay_draw_lists[overlay_n]->PushClipRect(tab_bar_rect.Min, tab_bar_rect.Max);
TabItemBackground(overlay_draw_lists[overlay_n], tab_bb, tab_flags, overlay_col_tabs);
TabItemLabelAndCloseButton(overlay_draw_lists[overlay_n], tab_bb, tab_flags, g.Style.FramePadding, payload->Name, 0, 0, false);
TabItemLabelAndCloseButton(overlay_draw_lists[overlay_n], tab_bb, tab_flags, g.Style.FramePadding, payload_window->Name, 0, 0, false);
if (!tab_bar_rect.Contains(tab_bb))
overlay_draw_lists[overlay_n]->PopClipRect();
}
@ -14358,10 +14368,8 @@ void ImGui::DockSpace(ImGuiID id, const ImVec2& size_arg, ImGuiDockNodeFlags fla
// Update the node
DockNodeUpdate(node);
g.WithinEndChild = true;
End();
ItemSize(size);
g.WithinEndChild = false;
}
// Tips: Use with ImGuiDockNodeFlags_PassthruCentralNode!
@ -15881,7 +15889,8 @@ void ImGui::ShowMetricsWindow(bool* p_open)
for (int tab_n = 0; tab_n < ImMin(tab_bar->Tabs.Size, 3); tab_n++)
{
ImGuiTabItem* tab = &tab_bar->Tabs[tab_n];
p += ImFormatString(p, buf_end - p, "%s'%s'", tab_n > 0 ? ", " : "", (tab->Window || tab->NameOffset != -1) ? tab_bar->GetTabName(tab) : "???");
p += ImFormatString(p, buf_end - p, "%s'%s'",
tab_n > 0 ? ", " : "", (tab->Window || tab->NameOffset != -1) ? tab_bar->GetTabName(tab) : "???");
}
p += ImFormatString(p, buf_end - p, (tab_bar->Tabs.Size > 3) ? " ... }" : " } ");
if (!is_active) { PushStyleColor(ImGuiCol_Text, GetStyleColorVec4(ImGuiCol_TextDisabled)); }
@ -15902,7 +15911,8 @@ void ImGui::ShowMetricsWindow(bool* p_open)
ImGui::PushID(tab);
if (ImGui::SmallButton("<")) { TabBarQueueReorder(tab_bar, tab, -1); } ImGui::SameLine(0, 2);
if (ImGui::SmallButton(">")) { TabBarQueueReorder(tab_bar, tab, +1); } ImGui::SameLine();
ImGui::Text("%02d%c Tab 0x%08X '%s' Offset: %.1f, Width: %.1f/%.1f", tab_n, (tab->ID == tab_bar->SelectedTabId) ? '*' : ' ', tab->ID, (tab->Window || tab->NameOffset != -1) ? tab_bar->GetTabName(tab) : "???", tab->Offset, tab->Width, tab->ContentWidth);
ImGui::Text("%02d%c Tab 0x%08X '%s' Offset: %.1f, Width: %.1f/%.1f",
tab_n, (tab->ID == tab_bar->SelectedTabId) ? '*' : ' ', tab->ID, (tab->Window || tab->NameOffset != -1) ? tab_bar->GetTabName(tab) : "???", tab->Offset, tab->Width, tab->ContentWidth);
ImGui::PopID();
}
ImGui::TreePop();

4
imgui_widgets.cpp
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@ -7099,7 +7099,7 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar)
// Additionally, when using TabBarAddTab() to manipulate tab bar order we occasionally insert new tabs that don't have a width yet,
// and we cannot wait for the next BeginTabItem() call. We cannot compute this width within TabBarAddTab() because font size depends on the active window.
const char* tab_name = tab_bar->GetTabName(tab);
const bool has_close_button = tab->Window ? tab->Window->HasCloseButton : ((tab->Flags & ImGuiTabItemFlags_NoCloseButton) == 0);
const bool has_close_button = (tab->Flags & ImGuiTabItemFlags_NoCloseButton) == 0;
tab->ContentWidth = TabItemCalcSize(tab_name, has_close_button).x;
int section_n = (tab->Flags & ImGuiTabItemFlags_Leading) ? 0 : (tab->Flags & ImGuiTabItemFlags_Trailing) ? 2 : 1;
@ -7524,7 +7524,7 @@ bool ImGui::BeginTabItem(const char* label, bool* p_open, ImGuiTabItemFlags f
IM_ASSERT_USER_ERROR(tab_bar, "Needs to be called between BeginTabBar() and EndTabBar()!");
return false;
}
IM_ASSERT(!(flags & ImGuiTabItemFlags_Button)); // BeginTabItem() Can't be used with button flags, use TabItemButton() instead!
IM_ASSERT((flags & ImGuiTabItemFlags_Button) == 0); // BeginTabItem() Can't be used with button flags, use TabItemButton() instead!
bool ret = TabItemEx(tab_bar, label, p_open, flags, NULL);
if (ret && !(flags & ImGuiTabItemFlags_NoPushId))

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