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Internals: Minor changes to TreeNodeBehavior() and Selectable() for the benefit of fhe range_select branch. (#1861)

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omar 2019-02-01 12:11:27 +01:00
parent 0d4a2a2cd0
commit d5945aa25b
1 changed files with 16 additions and 11 deletions
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27
imgui_widgets.cpp
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@ -4811,20 +4811,24 @@ bool ImGui::TreeNodeBehavior(ImGuiID id, ImGuiTreeNodeFlags flags, const char* l
} }
// Flags that affects opening behavior: // Flags that affects opening behavior:
// - 0(default) ..................... single-click anywhere to open // - 0 (default) .................... single-click anywhere to open
// - OpenOnDoubleClick .............. double-click anywhere to open // - OpenOnDoubleClick .............. double-click anywhere to open
// - OpenOnArrow .................... single-click on arrow to open // - OpenOnArrow .................... single-click on arrow to open
// - OpenOnDoubleClick|OpenOnArrow .. single-click on arrow or double-click anywhere to open // - OpenOnDoubleClick|OpenOnArrow .. single-click on arrow or double-click anywhere to open
ImGuiButtonFlags button_flags = ImGuiButtonFlags_NoKeyModifiers | ((flags & ImGuiTreeNodeFlags_AllowItemOverlap) ? ImGuiButtonFlags_AllowItemOverlap : 0); ImGuiButtonFlags button_flags = ImGuiButtonFlags_NoKeyModifiers;
if (!is_leaf) if (flags & ImGuiTreeNodeFlags_AllowItemOverlap)
button_flags |= ImGuiButtonFlags_PressedOnDragDropHold; button_flags |= ImGuiButtonFlags_AllowItemOverlap;
if (flags & ImGuiTreeNodeFlags_OpenOnDoubleClick) if (flags & ImGuiTreeNodeFlags_OpenOnDoubleClick)
button_flags |= ImGuiButtonFlags_PressedOnDoubleClick | ((flags & ImGuiTreeNodeFlags_OpenOnArrow) ? ImGuiButtonFlags_PressedOnClickRelease : 0); button_flags |= ImGuiButtonFlags_PressedOnDoubleClick | ((flags & ImGuiTreeNodeFlags_OpenOnArrow) ? ImGuiButtonFlags_PressedOnClickRelease : 0);
if (!is_leaf)
button_flags |= ImGuiButtonFlags_PressedOnDragDropHold;
bool hovered, held, pressed = ButtonBehavior(interact_bb, id, &hovered, &held, button_flags); bool selected = (flags & ImGuiTreeNodeFlags_Selected) != 0;
bool hovered, held;
bool pressed = ButtonBehavior(interact_bb, id, &hovered, &held, button_flags);
bool toggled = false;
if (!is_leaf) if (!is_leaf)
{ {
bool toggled = false;
if (pressed) if (pressed)
{ {
toggled = !(flags & (ImGuiTreeNodeFlags_OpenOnArrow | ImGuiTreeNodeFlags_OpenOnDoubleClick)) || (g.NavActivateId == id); toggled = !(flags & (ImGuiTreeNodeFlags_OpenOnArrow | ImGuiTreeNodeFlags_OpenOnDoubleClick)) || (g.NavActivateId == id);
@ -4859,11 +4863,12 @@ bool ImGui::TreeNodeBehavior(ImGuiID id, ImGuiTreeNodeFlags flags, const char* l
// Render // Render
const ImU32 col = GetColorU32((held && hovered) ? ImGuiCol_HeaderActive : hovered ? ImGuiCol_HeaderHovered : ImGuiCol_Header); const ImU32 col = GetColorU32((held && hovered) ? ImGuiCol_HeaderActive : hovered ? ImGuiCol_HeaderHovered : ImGuiCol_Header);
const ImVec2 text_pos = frame_bb.Min + ImVec2(text_offset_x, text_base_offset_y); const ImVec2 text_pos = frame_bb.Min + ImVec2(text_offset_x, text_base_offset_y);
ImGuiNavHighlightFlags nav_highlight_flags = ImGuiNavHighlightFlags_TypeThin;
if (display_frame) if (display_frame)
{ {
// Framed type // Framed type
RenderFrame(frame_bb.Min, frame_bb.Max, col, true, style.FrameRounding); RenderFrame(frame_bb.Min, frame_bb.Max, col, true, style.FrameRounding);
RenderNavHighlight(frame_bb, id, ImGuiNavHighlightFlags_TypeThin); RenderNavHighlight(frame_bb, id, nav_highlight_flags);
RenderArrow(frame_bb.Min + ImVec2(padding.x, text_base_offset_y), is_open ? ImGuiDir_Down : ImGuiDir_Right, 1.0f); RenderArrow(frame_bb.Min + ImVec2(padding.x, text_base_offset_y), is_open ? ImGuiDir_Down : ImGuiDir_Right, 1.0f);
if (g.LogEnabled) if (g.LogEnabled)
{ {
@ -4882,10 +4887,10 @@ bool ImGui::TreeNodeBehavior(ImGuiID id, ImGuiTreeNodeFlags flags, const char* l
else else
{ {
// Unframed typed for tree nodes // Unframed typed for tree nodes
if (hovered || (flags & ImGuiTreeNodeFlags_Selected)) if (hovered || selected)
{ {
RenderFrame(frame_bb.Min, frame_bb.Max, col, false); RenderFrame(frame_bb.Min, frame_bb.Max, col, false);
RenderNavHighlight(frame_bb, id, ImGuiNavHighlightFlags_TypeThin); RenderNavHighlight(frame_bb, id, nav_highlight_flags);
} }
if (flags & ImGuiTreeNodeFlags_Bullet) if (flags & ImGuiTreeNodeFlags_Bullet)
@ -5065,11 +5070,11 @@ bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags fl
if (flags & ImGuiSelectableFlags_PressedOnRelease) button_flags |= ImGuiButtonFlags_PressedOnRelease; if (flags & ImGuiSelectableFlags_PressedOnRelease) button_flags |= ImGuiButtonFlags_PressedOnRelease;
if (flags & ImGuiSelectableFlags_Disabled) button_flags |= ImGuiButtonFlags_Disabled; if (flags & ImGuiSelectableFlags_Disabled) button_flags |= ImGuiButtonFlags_Disabled;
if (flags & ImGuiSelectableFlags_AllowDoubleClick) button_flags |= ImGuiButtonFlags_PressedOnClickRelease | ImGuiButtonFlags_PressedOnDoubleClick; if (flags & ImGuiSelectableFlags_AllowDoubleClick) button_flags |= ImGuiButtonFlags_PressedOnClickRelease | ImGuiButtonFlags_PressedOnDoubleClick;
bool hovered, held;
bool pressed = ButtonBehavior(bb, id, &hovered, &held, button_flags);
if (flags & ImGuiSelectableFlags_Disabled) if (flags & ImGuiSelectableFlags_Disabled)
selected = false; selected = false;
bool hovered, held;
bool pressed = ButtonBehavior(bb, id, &hovered, &held, button_flags);
// Hovering selectable with mouse updates NavId accordingly so navigation can be resumed with gamepad/keyboard (this doesn't happen on most widgets) // Hovering selectable with mouse updates NavId accordingly so navigation can be resumed with gamepad/keyboard (this doesn't happen on most widgets)
if (pressed || hovered) if (pressed || hovered)
if (!g.NavDisableMouseHover && g.NavWindow == window && g.NavLayer == window->DC.NavLayerCurrent) if (!g.NavDisableMouseHover && g.NavWindow == window && g.NavLayer == window->DC.NavLayerCurrent)