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TreeNode: added ImGuiTreeNodeFlags_OpenOnArrow flag (#581, #324, #190)

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This commit is contained in:
ocornut 2016-05-01 20:12:14 +02:00
parent df764c21d6
commit f79b2d6ce3
3 changed files with 28 additions and 12 deletions
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21
imgui.cpp
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@ -5677,12 +5677,27 @@ bool ImGui::TreeNodeBehavior(ImGuiID id, ImGuiTreeNodeFlags flags, const char* l
return opened;
}
ImGuiButtonFlags button_flags = ImGuiButtonFlags_NoKeyModifiers | ((flags & ImGuiTreeNodeFlags_AllowOverlapMode) ? ImGuiButtonFlags_AllowOverlapMode : 0) | ((flags & ImGuiTreeNodeFlags_OpenOnDoubleClick) ? ImGuiButtonFlags_PressedOnDoubleClick : 0);
// Flags that affects opening behavior:
// - 0(default) ..................... single-click anywhere to open
// - OpenOnDoubleClick .............. double-click anywhere to open
// - OpenOnArrow .................... single-click on arrow to open
// - OpenOnDoubleClick|OpenOnArrow .. single-click on arrow or double-click anywhere to open
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)
{
opened = !opened;
window->DC.StateStorage->SetInt(id, opened);
bool toggled = !(flags & (ImGuiTreeNodeFlags_OpenOnArrow | ImGuiTreeNodeFlags_OpenOnDoubleClick));
if (flags & ImGuiTreeNodeFlags_OpenOnArrow)
toggled |= IsMouseHoveringRect(interact_bb.Min, ImVec2(interact_bb.Min.x + collapser_width, interact_bb.Max.y));
if (flags & ImGuiTreeNodeFlags_OpenOnDoubleClick)
toggled |= g.IO.MouseDoubleClicked[0];
if (toggled)
{
opened = !opened;
window->DC.StateStorage->SetInt(id, opened);
}
}
if (flags & ImGuiTreeNodeFlags_AllowOverlapMode)
SetItemAllowOverlap();

11
imgui.h
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@ -528,13 +528,14 @@ enum ImGuiTreeNodeFlags_
ImGuiTreeNodeFlags_Framed = 1 << 1, // Full colored frame (e.g. for CollapsingHeader)
ImGuiTreeNodeFlags_AllowOverlapMode = 1 << 2, // Hit testing to allow subsequent widgets to overlap this one
ImGuiTreeNodeFlags_NoTreePushOnOpen = 1 << 3, // Don't do a TreePush() when opened (e.g. for CollapsingHeader) = no extra indent nor pushing on ID stack
ImGuiTreeNodeFlags_NoAutoOpenOnLog = 1 << 4, // Don't automatically and temporarily open node when Logging is active (by default logging will automatically open tree nodes).
ImGuiTreeNodeFlags_NoAutoOpenOnLog = 1 << 4, // Don't automatically and temporarily open node when Logging is active (by default logging will automatically open tree nodes)
ImGuiTreeNodeFlags_DefaultOpen = 1 << 5, // Default node to be opened
ImGuiTreeNodeFlags_OpenOnDoubleClick = 1 << 6, // Need double-click to open node
//ImGuiTreeNodeFlags_OpenOnArrowOnly = 1 << 7, // FIXME: TODO
//ImGuiTreeNodeFlags_UnindentArrow = 1 << 8, // FIXME: TODO
//ImGuITreeNodeFlags_SpanAllAvailWidth = 1 << 9, // FIXME: TODO: Extend hit box horizontally even if not framed
//ImGuiTreeNodeFlags_NoScrollOnOpen = 1 << 10, // FIXME: TODO: Automatically scroll on TreePop() if node got just opened and contents is not visible
ImGuiTreeNodeFlags_OpenOnArrow = 1 << 7, // Only open when clicking on the arrow part. If ImGuiTreeNodeFlags_OpenOnDoubleClick is also set, single-click arrow or double-click all box to open.
//ImGuiTreeNodeFlags_AlwaysOpen = 1 << 8, // No collapsing, no arrow (use as a convenience for leaf nodes).
//ImGuiTreeNodeFlags_UnindentArrow = 1 << 9, // FIXME: TODO: Unindent tree so that Label is aligned to current X position
//ImGuITreeNodeFlags_SpanAllAvailWidth = 1 << 10, // FIXME: TODO: Extend hit box horizontally even if not framed
//ImGuiTreeNodeFlags_NoScrollOnOpen = 1 << 11, // FIXME: TODO: Automatically scroll on TreePop() if node got just opened and contents is not visible
ImGuiTreeNodeFlags_CollapsingHeader = ImGuiTreeNodeFlags_Framed | ImGuiTreeNodeFlags_NoAutoOpenOnLog
};

8
imgui_demo.cpp
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@ -285,18 +285,18 @@ void ImGui::ShowTestWindow(bool* p_opened)
if (ImGui::TreeNode("With selectable nodes"))
{
ShowHelpMarker("Click to select, CTRL+Click to toggle, double-click to open");
ShowHelpMarker("Click to select, CTRL+Click to toggle, click on arrows to open");
static int selection_mask = 0x02; // Dumb representation of what may be user-side selection state. You may carry selection state inside or outside your objects in whatever format you see fit.
int node_clicked = -1;
for (int i = 0; i < 5; i++)
for (int i = 0; i < 6; i++)
{
ImGuiTreeNodeFlags node_flags = ((selection_mask & (1 << i)) ? ImGuiTreeNodeFlags_Selected : 0) | ImGuiTreeNodeFlags_OpenOnDoubleClick;
ImGuiTreeNodeFlags node_flags = ((selection_mask & (1 << i)) ? ImGuiTreeNodeFlags_Selected : 0) | ImGuiTreeNodeFlags_OpenOnArrow | ImGuiTreeNodeFlags_OpenOnDoubleClick;
bool opened = ImGui::TreeNodeEx((void*)(intptr_t)i, node_flags, "Selectable Child %d", i);
if (ImGui::IsItemClicked())
node_clicked = i;
if (opened)
{
ImGui::Text("blah blah");
ImGui::Text("Blah blah");
ImGui::TreePop();
}
}