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Internals: Merge minor things from range_select branch. Added ImGuiButtonFlags_NoHoveredOnNav. Added IsItemToggledSelected() - unused here. Renaming.

This commit is contained in:
omar 2019-04-11 15:40:36 +02:00
parent 570d0bbbda
commit 07a70dc972
3 changed files with 34 additions and 13 deletions
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8
imgui.cpp
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@ -4352,6 +4352,12 @@ bool ImGui::IsItemClicked(int mouse_button)
return IsMouseClicked(mouse_button) && IsItemHovered(ImGuiHoveredFlags_None);
}
bool ImGui::IsItemToggledSelection()
{
ImGuiContext& g = *GImGui;
return (g.CurrentWindow->DC.LastItemStatusFlags & ImGuiItemStatusFlags_ToggledSelection) ? true : false;
}
bool ImGui::IsAnyItemHovered()
{
ImGuiContext& g = *GImGui;
@ -7988,7 +7994,7 @@ static void ImGui::NavUpdateMoveResult()
{
// Don't set NavJustMovedToId if just landed on the same spot (which may happen with ImGuiNavMoveFlags_AllowCurrentNavId)
g.NavJustMovedToId = result->ID;
g.NavJustMovedToSelectScopeId = result->SelectScopeId;
g.NavJustMovedToMultiSelectScopeId = result->SelectScopeId;
}
SetNavIDWithRectRel(result->ID, g.NavLayer, result->RectRel);
g.NavMoveFromClampedRefRect = false;

11
imgui_internal.h
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@ -312,7 +312,8 @@ enum ImGuiButtonFlags_
ImGuiButtonFlags_NoKeyModifiers = 1 << 10, // disable interaction if a key modifier is held
ImGuiButtonFlags_NoHoldingActiveID = 1 << 11, // don't set ActiveId while holding the mouse (ImGuiButtonFlags_PressedOnClick only)
ImGuiButtonFlags_PressedOnDragDropHold = 1 << 12, // press when held into while we are drag and dropping another item (used by e.g. tree nodes, collapsing headers)
ImGuiButtonFlags_NoNavFocus = 1 << 13 // don't override navigation focus when activated
ImGuiButtonFlags_NoNavFocus = 1 << 13, // don't override navigation focus when activated
ImGuiButtonFlags_NoHoveredOnNav = 1 << 14 // don't report as hovered when navigated on
};
enum ImGuiSliderFlags_
@ -374,7 +375,8 @@ enum ImGuiItemStatusFlags_
ImGuiItemStatusFlags_None = 0,
ImGuiItemStatusFlags_HoveredRect = 1 << 0,
ImGuiItemStatusFlags_HasDisplayRect = 1 << 1,
ImGuiItemStatusFlags_Edited = 1 << 2 // Value exposed by item was edited in the current frame (should match the bool return value of most widgets)
ImGuiItemStatusFlags_Edited = 1 << 2, // Value exposed by item was edited in the current frame (should match the bool return value of most widgets)
ImGuiItemStatusFlags_ToggledSelection = 1 << 3 // Set when Selectable(), TreeNode() reports toggling a selection. We can't report "Selected" because reporting the change allows us to handle clipping with less issues.
#ifdef IMGUI_ENABLE_TEST_ENGINE
, // [imgui-test only]
@ -861,7 +863,7 @@ struct ImGuiContext
ImGuiID NavInputId; // ~~ IsNavInputPressed(ImGuiNavInput_Input) ? NavId : 0
ImGuiID NavJustTabbedId; // Just tabbed to this id.
ImGuiID NavJustMovedToId; // Just navigated to this id (result of a successfully MoveRequest).
ImGuiID NavJustMovedToSelectScopeId; // Just navigated to this select scope id (result of a successfully MoveRequest).
ImGuiID NavJustMovedToMultiSelectScopeId; // Just navigated to this select scope id (result of a successfully MoveRequest).
ImGuiID NavNextActivateId; // Set by ActivateItem(), queued until next frame.
ImGuiInputSource NavInputSource; // Keyboard or Gamepad mode? THIS WILL ONLY BE None or NavGamepad or NavKeyboard.
ImRect NavScoringRectScreen; // Rectangle used for scoring, in screen space. Based of window->DC.NavRefRectRel[], modified for directional navigation scoring.
@ -1025,7 +1027,7 @@ struct ImGuiContext
NavWindow = NULL;
NavId = NavActivateId = NavActivateDownId = NavActivatePressedId = NavInputId = 0;
NavJustTabbedId = NavJustMovedToId = NavJustMovedToSelectScopeId = NavNextActivateId = 0;
NavJustTabbedId = NavJustMovedToId = NavJustMovedToMultiSelectScopeId = NavNextActivateId = 0;
NavInputSource = ImGuiInputSource_None;
NavScoringRectScreen = ImRect();
NavScoringCount = 0;
@ -1441,6 +1443,7 @@ namespace ImGui
IMGUI_API void PushMultiItemsWidths(int components, float width_full = 0.0f);
IMGUI_API void PushItemFlag(ImGuiItemFlags option, bool enabled);
IMGUI_API void PopItemFlag();
IMGUI_API bool IsItemToggledSelection(); // was the last item selection toggled? (after Selectable(), TreeNode() etc. We only returns toggle _event_ in order to handle clipping correctly)
// Logging/Capture
IMGUI_API void LogBegin(ImGuiLogType type, int auto_open_depth); // -> BeginCapture() when we design v2 api, for now stay under the radar by using the old name.

28
imgui_widgets.cpp
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@ -494,7 +494,8 @@ bool ImGui::ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool
// Gamepad/Keyboard navigation
// We report navigated item as hovered but we don't set g.HoveredId to not interfere with mouse.
if (g.NavId == id && !g.NavDisableHighlight && g.NavDisableMouseHover && (g.ActiveId == 0 || g.ActiveId == id || g.ActiveId == window->MoveId))
hovered = true;
if (!(flags & ImGuiButtonFlags_NoHoveredOnNav))
hovered = true;
if (g.NavActivateDownId == id)
{
@ -5049,6 +5050,8 @@ bool ImGui::TreeNodeBehavior(ImGuiID id, ImGuiTreeNodeFlags flags, const char* l
button_flags |= ImGuiButtonFlags_PressedOnDragDropHold;
bool selected = (flags & ImGuiTreeNodeFlags_Selected) != 0;
const bool was_selected = selected;
bool hovered, held;
bool pressed = ButtonBehavior(interact_bb, id, &hovered, &held, button_flags);
bool toggled = false;
@ -5085,6 +5088,10 @@ bool ImGui::TreeNodeBehavior(ImGuiID id, ImGuiTreeNodeFlags flags, const char* l
if (flags & ImGuiTreeNodeFlags_AllowItemOverlap)
SetItemAllowOverlap();
// In this branch, TreeNodeBehavior() cannot toggle the selection so this will never trigger.
if (selected != was_selected)
window->DC.LastItemStatusFlags |= ImGuiItemStatusFlags_ToggledSelection;
// Render
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);
@ -5272,15 +5279,15 @@ bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags fl
if (size_arg.x == 0.0f || (flags & ImGuiSelectableFlags_DrawFillAvailWidth))
bb.Max.x += window_padding.x;
// Selectables are tightly packed together, we extend the box to cover spacing between selectable.
float spacing_L = (float)(int)(style.ItemSpacing.x * 0.5f);
float spacing_U = (float)(int)(style.ItemSpacing.y * 0.5f);
float spacing_R = style.ItemSpacing.x - spacing_L;
float spacing_D = style.ItemSpacing.y - spacing_U;
// Selectables are tightly packed together so we extend the box to cover spacing between selectable.
const float spacing_x = style.ItemSpacing.x;
const float spacing_y = style.ItemSpacing.y;
const float spacing_L = (float)(int)(spacing_x * 0.50f);
const float spacing_U = (float)(int)(spacing_y * 0.50f);
bb.Min.x -= spacing_L;
bb.Min.y -= spacing_U;
bb.Max.x += spacing_R;
bb.Max.y += spacing_D;
bb.Max.x += (spacing_x - spacing_L);
bb.Max.y += (spacing_y - spacing_U);
bool item_add;
if (flags & ImGuiSelectableFlags_Disabled)
@ -5313,6 +5320,7 @@ bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags fl
if (flags & ImGuiSelectableFlags_Disabled)
selected = false;
const bool was_selected = selected;
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)
@ -5328,6 +5336,10 @@ bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags fl
if (flags & ImGuiSelectableFlags_AllowItemOverlap)
SetItemAllowOverlap();
// In this branch, Selectable() cannot toggle the selection so this will never trigger.
if (selected != was_selected)
window->DC.LastItemStatusFlags |= ImGuiItemStatusFlags_ToggledSelection;
// Render
if (hovered || selected)
{