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@@ -6,6 +6,7 @@
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Index of this file:
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- Widgets: Text, etc.
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- Widgets: Button, Image, Checkbox, RadioButton, ProgressBar, Bullet, etc.
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+- Widgets: Low-level Layout helpers: Spacing, Dummy, NewLine, Separator, etc.
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- Widgets: ComboBox
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- Data Type and Data Formatting Helpers
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- Widgets: DragScalar, DragFloat, DragInt, etc.
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@@ -1051,6 +1052,188 @@ void ImGui::Bullet()
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SameLine(0, style.FramePadding.x*2);
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}
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+//-------------------------------------------------------------------------
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+// WIDGETS: Low-level Layout helpers
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+// - Spacing()
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+// - Dummy()
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+// - NewLine()
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+// - AlignTextToFramePadding()
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+// - Separator()
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+// - VerticalSeparator() [Internal]
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+// - SplitterBehavior() [Internal]
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+//-------------------------------------------------------------------------
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+
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+void ImGui::Spacing()
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+{
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+ ImGuiWindow* window = GetCurrentWindow();
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+ if (window->SkipItems)
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+ return;
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+ ItemSize(ImVec2(0,0));
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+}
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+
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+void ImGui::Dummy(const ImVec2& size)
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+{
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+ ImGuiWindow* window = GetCurrentWindow();
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+ if (window->SkipItems)
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+ return;
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+
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+ const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + size);
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+ ItemSize(bb);
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+ ItemAdd(bb, 0);
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+}
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+
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+void ImGui::NewLine()
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+{
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+ ImGuiWindow* window = GetCurrentWindow();
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+ if (window->SkipItems)
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+ return;
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+
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+ ImGuiContext& g = *GImGui;
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+ const ImGuiLayoutType backup_layout_type = window->DC.LayoutType;
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+ window->DC.LayoutType = ImGuiLayoutType_Vertical;
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+ if (window->DC.CurrentLineSize.y > 0.0f) // In the event that we are on a line with items that is smaller that FontSize high, we will preserve its height.
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+ ItemSize(ImVec2(0,0));
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+ else
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+ ItemSize(ImVec2(0.0f, g.FontSize));
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+ window->DC.LayoutType = backup_layout_type;
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+}
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+
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+void ImGui::AlignTextToFramePadding()
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+{
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+ ImGuiWindow* window = GetCurrentWindow();
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+ if (window->SkipItems)
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+ return;
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+
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+ ImGuiContext& g = *GImGui;
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+ window->DC.CurrentLineSize.y = ImMax(window->DC.CurrentLineSize.y, g.FontSize + g.Style.FramePadding.y * 2);
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+ window->DC.CurrentLineTextBaseOffset = ImMax(window->DC.CurrentLineTextBaseOffset, g.Style.FramePadding.y);
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+}
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+
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+// Horizontal/vertical separating line
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+void ImGui::Separator()
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+{
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+ ImGuiWindow* window = GetCurrentWindow();
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+ if (window->SkipItems)
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+ return;
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+ ImGuiContext& g = *GImGui;
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+
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+ // Those flags should eventually be overridable by the user
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+ ImGuiSeparatorFlags flags = (window->DC.LayoutType == ImGuiLayoutType_Horizontal) ? ImGuiSeparatorFlags_Vertical : ImGuiSeparatorFlags_Horizontal;
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+ IM_ASSERT(ImIsPowerOfTwo((int)(flags & (ImGuiSeparatorFlags_Horizontal | ImGuiSeparatorFlags_Vertical)))); // Check that only 1 option is selected
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+ if (flags & ImGuiSeparatorFlags_Vertical)
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+ {
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+ VerticalSeparator();
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+ return;
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+ }
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+
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+ // Horizontal Separator
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+ if (window->DC.ColumnsSet)
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+ PopClipRect();
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+
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+ float x1 = window->Pos.x;
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+ float x2 = window->Pos.x + window->Size.x;
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+ if (!window->DC.GroupStack.empty())
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+ x1 += window->DC.Indent.x;
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+
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+ const ImRect bb(ImVec2(x1, window->DC.CursorPos.y), ImVec2(x2, window->DC.CursorPos.y+1.0f));
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+ ItemSize(ImVec2(0.0f, 0.0f)); // NB: we don't provide our width so that it doesn't get feed back into AutoFit, we don't provide height to not alter layout.
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+ if (!ItemAdd(bb, 0))
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+ {
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+ if (window->DC.ColumnsSet)
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+ PushColumnClipRect();
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+ return;
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+ }
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+
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+ window->DrawList->AddLine(bb.Min, ImVec2(bb.Max.x,bb.Min.y), GetColorU32(ImGuiCol_Separator));
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+
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+ if (g.LogEnabled)
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+ LogRenderedText(NULL, IM_NEWLINE "--------------------------------");
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+
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+ if (window->DC.ColumnsSet)
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+ {
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+ PushColumnClipRect();
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+ window->DC.ColumnsSet->LineMinY = window->DC.CursorPos.y;
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+ }
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+}
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+
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+void ImGui::VerticalSeparator()
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+{
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+ ImGuiWindow* window = GetCurrentWindow();
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+ if (window->SkipItems)
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+ return;
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+ ImGuiContext& g = *GImGui;
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+
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+ float y1 = window->DC.CursorPos.y;
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+ float y2 = window->DC.CursorPos.y + window->DC.CurrentLineSize.y;
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+ const ImRect bb(ImVec2(window->DC.CursorPos.x, y1), ImVec2(window->DC.CursorPos.x + 1.0f, y2));
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+ ItemSize(ImVec2(bb.GetWidth(), 0.0f));
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+ if (!ItemAdd(bb, 0))
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+ return;
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+
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+ window->DrawList->AddLine(ImVec2(bb.Min.x, bb.Min.y), ImVec2(bb.Min.x, bb.Max.y), GetColorU32(ImGuiCol_Separator));
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+ if (g.LogEnabled)
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+ LogText(" |");
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+}
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+
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+// Using 'hover_visibility_delay' allows us to hide the highlight and mouse cursor for a short time, which can be convenient to reduce visual noise.
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+bool ImGui::SplitterBehavior(const ImRect& bb, ImGuiID id, ImGuiAxis axis, float* size1, float* size2, float min_size1, float min_size2, float hover_extend, float hover_visibility_delay)
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+{
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+ ImGuiContext& g = *GImGui;
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+ ImGuiWindow* window = g.CurrentWindow;
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+
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+ const ImGuiItemFlags item_flags_backup = window->DC.ItemFlags;
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+ window->DC.ItemFlags |= ImGuiItemFlags_NoNav | ImGuiItemFlags_NoNavDefaultFocus;
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+ bool item_add = ItemAdd(bb, id);
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+ window->DC.ItemFlags = item_flags_backup;
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+ if (!item_add)
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+ return false;
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+
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+ bool hovered, held;
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+ ImRect bb_interact = bb;
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+ bb_interact.Expand(axis == ImGuiAxis_Y ? ImVec2(0.0f, hover_extend) : ImVec2(hover_extend, 0.0f));
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+ ButtonBehavior(bb_interact, id, &hovered, &held, ImGuiButtonFlags_FlattenChildren | ImGuiButtonFlags_AllowItemOverlap);
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+ if (g.ActiveId != id)
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+ SetItemAllowOverlap();
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+
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+ if (held || (g.HoveredId == id && g.HoveredIdPreviousFrame == id && g.HoveredIdTimer >= hover_visibility_delay))
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+ SetMouseCursor(axis == ImGuiAxis_Y ? ImGuiMouseCursor_ResizeNS : ImGuiMouseCursor_ResizeEW);
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+
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+ ImRect bb_render = bb;
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+ if (held)
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+ {
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+ ImVec2 mouse_delta_2d = g.IO.MousePos - g.ActiveIdClickOffset - bb_interact.Min;
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+ float mouse_delta = (axis == ImGuiAxis_Y) ? mouse_delta_2d.y : mouse_delta_2d.x;
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+
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+ // Minimum pane size
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+ float size_1_maximum_delta = ImMax(0.0f, *size1 - min_size1);
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+ float size_2_maximum_delta = ImMax(0.0f, *size2 - min_size2);
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+ if (mouse_delta < -size_1_maximum_delta)
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+ mouse_delta = -size_1_maximum_delta;
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+ if (mouse_delta > size_2_maximum_delta)
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+ mouse_delta = size_2_maximum_delta;
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+
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+ // Apply resize
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+ if (mouse_delta != 0.0f)
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+ {
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+ if (mouse_delta < 0.0f)
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+ IM_ASSERT(*size1 + mouse_delta >= min_size1);
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+ if (mouse_delta > 0.0f)
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+ IM_ASSERT(*size2 - mouse_delta >= min_size2);
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+ *size1 += mouse_delta;
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+ *size2 -= mouse_delta;
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+ bb_render.Translate((axis == ImGuiAxis_X) ? ImVec2(mouse_delta, 0.0f) : ImVec2(0.0f, mouse_delta));
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+ MarkItemEdited(id);
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+ }
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+ }
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+
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+ // Render
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+ const ImU32 col = GetColorU32(held ? ImGuiCol_SeparatorActive : (hovered && g.HoveredIdTimer >= hover_visibility_delay) ? ImGuiCol_SeparatorHovered : ImGuiCol_Separator);
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+ window->DrawList->AddRectFilled(bb_render.Min, bb_render.Max, col, g.Style.FrameRounding);
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+
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+ return held;
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+}
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+
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+
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//-------------------------------------------------------------------------
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// WIDGETS: Combo Box
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// - BeginCombo()
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omar