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Added TreeAdvanceToLabelPos() (#581)

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This commit is contained in:
ocornut 2016-05-28 18:15:54 +02:00
parent 793f5f8cdb
commit a0a48f6e59
3 changed files with 13 additions and 13 deletions
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17
imgui.cpp
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@ -6043,19 +6043,20 @@ bool ImGui::TreeNode(const char* label)
ImGuiWindow* window = GetCurrentWindow();
if (window->SkipItems)
return false;
return TreeNodeBehavior(window->GetID(label), 0, label, NULL);
}
float ImGui::GetTreeNodeToLabelSpacing(ImGuiTreeNodeFlags flags)
void ImGui::TreeAdvanceToLabelPos()
{
ImGuiContext& g = *GImGui;
float off_from_start;
if (flags & ImGuiTreeNodeFlags_Framed)
off_from_start = g.FontSize + (g.Style.FramePadding.x * 3.0f) - ((float)(int)(g.CurrentWindow->WindowPadding.x*0.5f) - 1);
else
off_from_start = g.FontSize + (g.Style.FramePadding.x * 2.0f);
return off_from_start;
g.CurrentWindow->DC.CursorPos.x += GetTreeNodeToLabelSpacing();
}
// Horizontal distance preceeding label when using TreeNode() or Bullet()
float ImGui::GetTreeNodeToLabelSpacing()
{
ImGuiContext& g = *GImGui;
return g.FontSize + (g.Style.FramePadding.x * 2.0f);
}
void ImGui::SetNextTreeNodeOpen(bool is_open, ImGuiSetCond cond)

3
imgui.h
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@ -326,8 +326,9 @@ namespace ImGui
IMGUI_API void TreePush(const char* str_id = NULL); // ~ Indent()+PushId(). Already called by TreeNode() when returning true, but you can call Push/Pop yourself for layout purpose
IMGUI_API void TreePush(const void* ptr_id = NULL); // "
IMGUI_API void TreePop(); // ~ Unindent()+PopId()
IMGUI_API void TreeAdvanceToLabelPos(); // advance cursor x position by GetTreeNodeToLabelSpacing()
IMGUI_API float GetTreeNodeToLabelSpacing(); // horizontal distance preceeding label when using TreeNode*() or Bullet() == (g.FontSize + style.FramePadding.x*2) for a regular unframed TreeNode
IMGUI_API void SetNextTreeNodeOpen(bool is_open, ImGuiSetCond cond = 0); // set next TreeNode/CollapsingHeader open state.
IMGUI_API float GetTreeNodeToLabelSpacing(ImGuiTreeNodeFlags flags = 0); // return horizontal distance between cursor and text label due to collapsing node. == (g.FontSize + style.FramePadding.x*2) for a regular unframed TreeNode
IMGUI_API bool CollapsingHeader(const char* label, ImGuiTreeNodeFlags flags = 0); // if returning 'true' the header is open. user doesn't have to call TreePop().
IMGUI_API bool CollapsingHeader(const char* label, bool* p_open, ImGuiTreeNodeFlags flags = 0); // when 'p_open' isn't NULL, display an additional small close button on upper right of the header

6
imgui_demo.cpp
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@ -275,10 +275,8 @@ void ImGui::ShowTestWindow(bool* p_open)
}
else
{
// Leaf: Here we use the ImGuiTreeNodeFlags_Leaf functionality + ImGuiTreeNodeFlags_NoTreePushOnOpen to avoid testing return value and doing a TreePop
// The only reason we have a TreeNode at all is to allow selection of the leaf. Otherwise we can use BulletText() or a simple Text() element offset by GetTreeNodeToLabelSpacing()
node_flags |= ImGuiTreeNodeFlags_Leaf|ImGuiTreeNodeFlags_NoTreePushOnOpen;
ImGui::TreeNodeEx((void*)(intptr_t)i, node_flags, "Selectable Leaf %d", i);
// Leaf: The only reason we have a TreeNode at all is to allow selection of the leaf. Otherwise we can use BulletText() or TreeAdvanceToLabelPos()+Text().
ImGui::TreeNodeEx((void*)(intptr_t)i, node_flags | ImGuiTreeNodeFlags_Leaf | ImGuiTreeNodeFlags_NoTreePushOnOpen, "Selectable Leaf %d", i);
if (ImGui::IsItemClicked())
node_clicked = i;
}