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Nav: Allow to collapse tree nodes with NavLeft and open them with NavRight (#787, #1079)

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This commit is contained in:
omar 2017-09-30 00:47:07 +02:00
parent ecd72cc0c7
commit 0046c618b0
2 changed files with 24 additions and 7 deletions
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29
imgui.cpp
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@ -7044,14 +7044,31 @@ bool ImGui::TreeNodeBehavior(ImGuiID id, ImGuiTreeNodeFlags flags, const char* l
ImGuiButtonFlags button_flags = ImGuiButtonFlags_NoKeyModifiers | ((flags & ImGuiTreeNodeFlags_AllowOverlapMode) ? ImGuiButtonFlags_AllowOverlapMode : 0);
if (flags & ImGuiTreeNodeFlags_OpenOnDoubleClick)
button_flags |= ImGuiButtonFlags_PressedOnDoubleClick | ((flags & ImGuiTreeNodeFlags_OpenOnArrow) ? ImGuiButtonFlags_PressedOnClickRelease : 0);
bool hovered, held, pressed = ButtonBehavior(interact_bb, id, &hovered, &held, button_flags);
if (pressed && !(flags & ImGuiTreeNodeFlags_Leaf))
if (!(flags & ImGuiTreeNodeFlags_Leaf))
{
bool toggled = !(flags & (ImGuiTreeNodeFlags_OpenOnArrow | ImGuiTreeNodeFlags_OpenOnDoubleClick)) || (g.NavActivateId == id);
if (flags & ImGuiTreeNodeFlags_OpenOnArrow)
toggled |= IsMouseHoveringRect(interact_bb.Min, ImVec2(interact_bb.Min.x + text_offset_x, interact_bb.Max.y)) && (!g.NavDisableMouseHover);
if (flags & ImGuiTreeNodeFlags_OpenOnDoubleClick)
toggled |= g.IO.MouseDoubleClicked[0];
bool toggled = false;
if (pressed)
{
toggled = !(flags & (ImGuiTreeNodeFlags_OpenOnArrow | ImGuiTreeNodeFlags_OpenOnDoubleClick)) || (g.NavActivateId == id);
if (flags & ImGuiTreeNodeFlags_OpenOnArrow)
toggled |= IsMouseHoveringRect(interact_bb.Min, ImVec2(interact_bb.Min.x + text_offset_x, interact_bb.Max.y)) && (!g.NavDisableMouseHover);
if (flags & ImGuiTreeNodeFlags_OpenOnDoubleClick)
toggled |= g.IO.MouseDoubleClicked[0];
}
if (g.NavId == id && g.NavMoveRequest && g.NavMoveDir == ImGuiDir_Left && is_open)
{
toggled = true;
g.NavMoveRequest = false;
}
if (g.NavId == id && g.NavMoveRequest && g.NavMoveDir == ImGuiDir_Right && !is_open) // If there's something upcoming on the line we may want to give it the priority?
{
toggled = true;
g.NavMoveRequest = false;
}
if (toggled)
{
is_open = !is_open;

2
imgui_demo.cpp
View File

@ -456,9 +456,9 @@ void ImGui::ShowTestWindow(bool* p_open)
if (ImGui::TreeNode("Collapsing Headers"))
{
static bool closable_group = true;
ImGui::Checkbox("Enable extra group", &closable_group);
if (ImGui::CollapsingHeader("Header"))
{
ImGui::Checkbox("Enable extra group", &closable_group);
for (int i = 0; i < 5; i++)
ImGui::Text("Some content %d", i);
}