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Demo: expose more Combo flags + misc tidying up.

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This commit is contained in:
ocornut 2023-10-17 17:39:50 +02:00
parent 9a5da23553
commit 56f7e853be
3 changed files with 32 additions and 18 deletions
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30
imgui.cpp
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@ -5452,7 +5452,9 @@ bool ImGui::BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, b
const float backup_border_size = g.Style.ChildBorderSize; const float backup_border_size = g.Style.ChildBorderSize;
if (!border) if (!border)
g.Style.ChildBorderSize = 0.0f; g.Style.ChildBorderSize = 0.0f;
bool ret = Begin(temp_window_name, NULL, flags);
// Begin into window
const bool ret = Begin(temp_window_name, NULL, flags);
g.Style.ChildBorderSize = backup_border_size; g.Style.ChildBorderSize = backup_border_size;
ImGuiWindow* child_window = g.CurrentWindow; ImGuiWindow* child_window = g.CurrentWindow;
@ -5464,7 +5466,7 @@ bool ImGui::BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, b
parent_window->DC.CursorPos = child_window->Pos; parent_window->DC.CursorPos = child_window->Pos;
// Process navigation-in immediately so NavInit can run on first frame // Process navigation-in immediately so NavInit can run on first frame
// Can enter a child if (A) it has navigatable items or (B) it can be scrolled. // Can enter a child if (A) it has navigable items or (B) it can be scrolled.
const ImGuiID temp_id_for_activation = ImHashStr("##Child", 0, id); const ImGuiID temp_id_for_activation = ImHashStr("##Child", 0, id);
if (g.ActiveId == temp_id_for_activation) if (g.ActiveId == temp_id_for_activation)
ClearActiveID(); ClearActiveID();
@ -5481,26 +5483,26 @@ bool ImGui::BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, b
void ImGui::EndChild() void ImGui::EndChild()
{ {
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow; ImGuiWindow* child_window = g.CurrentWindow;
IM_ASSERT(g.WithinEndChild == false); IM_ASSERT(g.WithinEndChild == false);
IM_ASSERT(window->Flags & ImGuiWindowFlags_ChildWindow); // Mismatched BeginChild()/EndChild() calls IM_ASSERT(child_window->Flags & ImGuiWindowFlags_ChildWindow); // Mismatched BeginChild()/EndChild() calls
g.WithinEndChild = true; g.WithinEndChild = true;
ImVec2 child_size = window->Size; ImVec2 child_size = child_window->Size;
End(); End();
if (window->BeginCount == 1) if (child_window->BeginCount == 1)
{ {
ImGuiWindow* parent_window = g.CurrentWindow; ImGuiWindow* parent_window = g.CurrentWindow;
ImRect bb(parent_window->DC.CursorPos, parent_window->DC.CursorPos + child_size); ImRect bb(parent_window->DC.CursorPos, parent_window->DC.CursorPos + child_size);
ItemSize(child_size); ItemSize(child_size);
if ((window->DC.NavLayersActiveMask != 0 || window->DC.NavWindowHasScrollY) && !(window->Flags & ImGuiWindowFlags_NavFlattened)) if ((child_window->DC.NavLayersActiveMask != 0 || child_window->DC.NavWindowHasScrollY) && !(child_window->Flags & ImGuiWindowFlags_NavFlattened))
{ {
ItemAdd(bb, window->ChildId); ItemAdd(bb, child_window->ChildId);
RenderNavHighlight(bb, window->ChildId); RenderNavHighlight(bb, child_window->ChildId);
// When browsing a window that has no activable items (scroll only) we keep a highlight on the child (pass g.NavId to trick into always displaying) // When browsing a window that has no activable items (scroll only) we keep a highlight on the child (pass g.NavId to trick into always displaying)
if (window->DC.NavLayersActiveMask == 0 && window == g.NavWindow) if (child_window->DC.NavLayersActiveMask == 0 && child_window == g.NavWindow)
RenderNavHighlight(ImRect(bb.Min - ImVec2(2, 2), bb.Max + ImVec2(2, 2)), g.NavId, ImGuiNavHighlightFlags_TypeThin); RenderNavHighlight(ImRect(bb.Min - ImVec2(2, 2), bb.Max + ImVec2(2, 2)), g.NavId, ImGuiNavHighlightFlags_TypeThin);
} }
else else
@ -5509,10 +5511,10 @@ void ImGui::EndChild()
ItemAdd(bb, 0); ItemAdd(bb, 0);
// But when flattened we directly reach items, adjust active layer mask accordingly // But when flattened we directly reach items, adjust active layer mask accordingly
if (window->Flags & ImGuiWindowFlags_NavFlattened) if (child_window->Flags & ImGuiWindowFlags_NavFlattened)
parent_window->DC.NavLayersActiveMaskNext |= window->DC.NavLayersActiveMaskNext; parent_window->DC.NavLayersActiveMaskNext |= child_window->DC.NavLayersActiveMaskNext;
} }
if (g.HoveredWindow == window) if (g.HoveredWindow == child_window)
g.LastItemData.StatusFlags |= ImGuiItemStatusFlags_HoveredWindow; g.LastItemData.StatusFlags |= ImGuiItemStatusFlags_HoveredWindow;
} }
g.WithinEndChild = false; g.WithinEndChild = false;
@ -6314,7 +6316,6 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
window->IDStack.push_back(window->ID); window->IDStack.push_back(window->ID);
// Add to stack // Add to stack
// We intentionally set g.CurrentWindow to NULL to prevent usage until when the viewport is set, then will call SetCurrentWindow()
g.CurrentWindow = window; g.CurrentWindow = window;
ImGuiWindowStackData window_stack_data; ImGuiWindowStackData window_stack_data;
window_stack_data.Window = window; window_stack_data.Window = window;
@ -6332,6 +6333,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
} }
// Add to focus scope stack // Add to focus scope stack
// We intentionally set g.CurrentWindow to NULL to prevent usage until when the viewport is set, then will call SetCurrentWindow()
PushFocusScope(window->ID); PushFocusScope(window->ID);
window->NavRootFocusScopeId = g.CurrentFocusScopeId; window->NavRootFocusScopeId = g.CurrentFocusScopeId;
g.CurrentWindow = NULL; g.CurrentWindow = NULL;

14
imgui_demo.cpp
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@ -1197,6 +1197,14 @@ static void ShowDemoWindowWidgets()
if (ImGui::CheckboxFlags("ImGuiComboFlags_WidthFitPreview", &flags, ImGuiComboFlags_WidthFitPreview)) if (ImGui::CheckboxFlags("ImGuiComboFlags_WidthFitPreview", &flags, ImGuiComboFlags_WidthFitPreview))
flags &= ~ImGuiComboFlags_NoPreview; flags &= ~ImGuiComboFlags_NoPreview;
// Override default popup height
if (ImGui::CheckboxFlags("ImGuiComboFlags_HeightSmall", &flags, ImGuiComboFlags_HeightSmall))
flags &= ~(ImGuiComboFlags_HeightMask_ & ~ImGuiComboFlags_HeightSmall);
if (ImGui::CheckboxFlags("ImGuiComboFlags_HeightRegular", &flags, ImGuiComboFlags_HeightRegular))
flags &= ~(ImGuiComboFlags_HeightMask_ & ~ImGuiComboFlags_HeightRegular);
if (ImGui::CheckboxFlags("ImGuiComboFlags_HeightLargest", &flags, ImGuiComboFlags_HeightLargest))
flags &= ~(ImGuiComboFlags_HeightMask_ & ~ImGuiComboFlags_HeightLargest);
// Using the generic BeginCombo() API, you have full control over how to display the combo contents. // Using the generic BeginCombo() API, you have full control over how to display the combo contents.
// (your selection data could be an index, a pointer to the object, an id for the object, a flag intrusively // (your selection data could be an index, a pointer to the object, an id for the object, a flag intrusively
// stored in the object itself, etc.) // stored in the object itself, etc.)
@ -1218,6 +1226,10 @@ static void ShowDemoWindowWidgets()
ImGui::EndCombo(); ImGui::EndCombo();
} }
ImGui::Spacing();
ImGui::SeparatorText("One-liner variants");
HelpMarker("Flags above don't apply to this section.");
// Simplified one-liner Combo() API, using values packed in a single constant string // Simplified one-liner Combo() API, using values packed in a single constant string
// This is a convenience for when the selection set is small and known at compile-time. // This is a convenience for when the selection set is small and known at compile-time.
static int item_current_2 = 0; static int item_current_2 = 0;
@ -6564,7 +6576,7 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
"Right-click to open edit options menu."); "Right-click to open edit options menu.");
ImGui::BeginChild("##colors", ImVec2(0, 0), true, ImGuiWindowFlags_AlwaysVerticalScrollbar | ImGuiWindowFlags_AlwaysHorizontalScrollbar | ImGuiWindowFlags_NavFlattened); ImGui::BeginChild("##colors", ImVec2(0, 0), true, ImGuiWindowFlags_AlwaysVerticalScrollbar | ImGuiWindowFlags_AlwaysHorizontalScrollbar | ImGuiWindowFlags_NavFlattened);
ImGui::PushItemWidth(-160); ImGui::PushItemWidth(ImGui::GetFontSize() * -12);
for (int i = 0; i < ImGuiCol_COUNT; i++) for (int i = 0; i < ImGuiCol_COUNT; i++)
{ {
const char* name = ImGui::GetStyleColorName(i); const char* name = ImGui::GetStyleColorName(i);

6
imgui_internal.h
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@ -1254,9 +1254,9 @@ struct IMGUI_API ImGuiStackSizes
// Data saved for each window pushed into the stack // Data saved for each window pushed into the stack
struct ImGuiWindowStackData struct ImGuiWindowStackData
{ {
ImGuiWindow* Window; ImGuiWindow* Window;
ImGuiLastItemData ParentLastItemDataBackup; ImGuiLastItemData ParentLastItemDataBackup;
ImGuiStackSizes StackSizesOnBegin; // Store size of various stacks for asserting ImGuiStackSizes StackSizesOnBegin; // Store size of various stacks for asserting
}; };
struct ImGuiShrinkWidthItem struct ImGuiShrinkWidthItem