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MultiSelect: Box-Select: Refactor: Renames.

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Split into two commits to facilite looking into previous one if needed.
This commit is contained in:
ocornut 2023-12-20 22:19:55 +01:00
parent 75bac1aac6
commit 5d9de14493
3 changed files with 55 additions and 55 deletions
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26
imgui.cpp
View File

@ -3083,19 +3083,19 @@ static bool ImGuiListClipper_StepInternal(ImGuiListClipper* clipper)
float max_y = window->ClipRect.Max.y;
// Add box selection range
if (ImGuiBoxSelectState* bs = &g.BoxSelectState)
if (bs->BoxSelectActive && bs->BoxSelectWindow == window)
{
// FIXME: Selectable() use of half-ItemSpacing isn't consistent in matter of layout, as ItemAdd(bb) stray above ItemSize()'s CursorPos.
// RangeSelect's BoxSelect relies on comparing overlap of previous and current rectangle and is sensitive to that.
// As a workaround we currently half ItemSpacing worth on each side.
min_y -= g.Style.ItemSpacing.y;
max_y += g.Style.ItemSpacing.y;
ImGuiBoxSelectState* bs = &g.BoxSelectState;
if (bs->IsActive && bs->Window == window)
{
// FIXME: Selectable() use of half-ItemSpacing isn't consistent in matter of layout, as ItemAdd(bb) stray above ItemSize()'s CursorPos.
// RangeSelect's BoxSelect relies on comparing overlap of previous and current rectangle and is sensitive to that.
// As a workaround we currently half ItemSpacing worth on each side.
min_y -= g.Style.ItemSpacing.y;
max_y += g.Style.ItemSpacing.y;
// Box-select on 2D area requires different clipping.
if (bs->BoxSelectUnclipMode)
data->Ranges.push_back(ImGuiListClipperRange::FromPositions(bs->BoxSelectUnclipRect.Min.y, bs->BoxSelectUnclipRect.Max.y, 0, 0));
}
// Box-select on 2D area requires different clipping.
if (bs->UnclipMode)
data->Ranges.push_back(ImGuiListClipperRange::FromPositions(bs->UnclipRect.Min.y, bs->UnclipRect.Max.y, 0, 0));
}
const int off_min = (is_nav_request && g.NavMoveClipDir == ImGuiDir_Up) ? -1 : 0;
const int off_max = (is_nav_request && g.NavMoveClipDir == ImGuiDir_Down) ? 1 : 0;
@ -14998,7 +14998,7 @@ void ImGui::ShowMetricsWindow(bool* p_open)
if (TreeNode("MultiSelect", "MultiSelect (%d)", g.MultiSelectStorage.GetAliveCount()))
{
ImGuiBoxSelectState* ms = &g.BoxSelectState;
Text("BoxSelect ID=0x%08X, Starting = %d, Active %d", ms->BoxSelectId, ms->BoxSelectStarting, ms->BoxSelectActive);
Text("BoxSelect ID=0x%08X, Starting = %d, Active %d", ms->ID, ms->IsStarting, ms->IsActive);
for (int n = 0; n < g.MultiSelectStorage.GetMapSize(); n++)
if (ImGuiMultiSelectState* state = g.MultiSelectStorage.TryGetMapData(n))
DebugNodeMultiSelectState(state);

26
imgui_internal.h
View File

@ -1714,21 +1714,21 @@ struct ImGuiOldColumns
struct ImGuiBoxSelectState
{
// Active box-selection data (persistent, 1 active at a time)
ImGuiID BoxSelectId;
bool BoxSelectActive;
bool BoxSelectStarting;
bool BoxSelectFromVoid;
ImGuiKeyChord BoxSelectKeyMods : 16; // Latched key-mods for box-select logic.
ImVec2 BoxSelectStartPosRel; // Start position in window-relative space (to support scrolling)
ImVec2 BoxSelectEndPosRel; // End position in window-relative space
ImGuiWindow* BoxSelectWindow;
ImGuiID ID;
bool IsActive;
bool IsStarting;
bool IsStartedFromVoid; // Starting click was not from an item.
ImGuiKeyChord KeyMods : 16; // Latched key-mods for box-select logic.
ImVec2 StartPosRel; // Start position in window-contents relative space (to support scrolling)
ImVec2 EndPosRel; // End position in window-contents relative space
ImGuiWindow* Window;
// Temporary/Transient data
bool BoxSelectUnclipMode; // Set/cleared by the BeginMultiSelect()/EndMultiSelect() owning active box-select.
ImRect BoxSelectRectPrev; // Selection rectangle in absolute coordinates (derived every frame from BoxSelectStartPosRel and MousePos)
bool UnclipMode; // (Temp/Transient, here in hot area). Set/cleared by the BeginMultiSelect()/EndMultiSelect() owning active box-select.
ImRect UnclipRect; // Rectangle where ItemAdd() clipping may be temporarily disabled. Need support by multi-select supporting widgets.
ImRect BoxSelectRectPrev; // Selection rectangle in absolute coordinates (derived every frame from BoxSelectStartPosRel and MousePos)
ImRect BoxSelectRectCurr;
ImRect BoxSelectUnclipRect; // Rectangle where ItemAdd() clipping may be temporarily disabled. Need support by multi-select supporting widgets.
ImGuiSelectionUserData BoxSelectLastitem;
ImGuiSelectionUserData LastSubmittedItem; // Copy of last submitted item data, used to merge output ranges.
ImGuiBoxSelectState() { memset(this, 0, sizeof(*this)); }
};
@ -3405,7 +3405,7 @@ namespace ImGui
// Multi-Select API
IMGUI_API void MultiSelectItemHeader(ImGuiID id, bool* p_selected, ImGuiButtonFlags* p_button_flags);
IMGUI_API void MultiSelectItemFooter(ImGuiID id, bool* p_selected, bool* p_pressed);
inline ImGuiBoxSelectState* GetBoxSelectState(ImGuiID id) { ImGuiContext& g = *GImGui; return (id != 0 && g.BoxSelectState.BoxSelectId == id && g.BoxSelectState.BoxSelectActive) ? &g.BoxSelectState : NULL; }
inline ImGuiBoxSelectState* GetBoxSelectState(ImGuiID id) { ImGuiContext& g = *GImGui; return (id != 0 && g.BoxSelectState.ID == id && g.BoxSelectState.IsActive) ? &g.BoxSelectState : NULL; }
// Internal Columns API (this is not exposed because we will encourage transitioning to the Tables API)
IMGUI_API void SetWindowClipRectBeforeSetChannel(ImGuiWindow* window, const ImRect& clip_rect);

58
imgui_widgets.cpp
View File

@ -6789,7 +6789,7 @@ bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags fl
if (!is_multi_select)
return false;
// Extra layer of "no logic clip" for box-select support
if (!g.BoxSelectState.BoxSelectUnclipMode || !g.BoxSelectState.BoxSelectUnclipRect.Overlaps(bb))
if (!g.BoxSelectState.UnclipMode || !g.BoxSelectState.UnclipRect.Overlaps(bb))
return false;
}
@ -7122,11 +7122,11 @@ static void BoxSelectStart(ImGuiID id, ImGuiSelectionUserData clicked_item)
{
ImGuiContext& g = *GImGui;
ImGuiBoxSelectState* bs = &g.BoxSelectState;
bs->BoxSelectId = id;
bs->BoxSelectStarting = true; // Consider starting box-select.
bs->BoxSelectFromVoid = (clicked_item == ImGuiSelectionUserData_Invalid);
bs->BoxSelectKeyMods = g.IO.KeyMods;
bs->BoxSelectStartPosRel = bs->BoxSelectEndPosRel = ImGui::WindowPosAbsToRel(g.CurrentWindow, g.IO.MousePos);
bs->ID = id;
bs->IsStarting = true; // Consider starting box-select.
bs->IsStartedFromVoid = (clicked_item == ImGuiSelectionUserData_Invalid);
bs->KeyMods = g.IO.KeyMods;
bs->StartPosRel = bs->EndPosRel = ImGui::WindowPosAbsToRel(g.CurrentWindow, g.IO.MousePos);
}
static void BoxSelectScrollWithMouseDrag(ImGuiWindow* window, const ImRect& inner_r)
@ -7259,38 +7259,38 @@ ImGuiMultiSelectIO* ImGui::BeginMultiSelect(ImGuiMultiSelectFlags flags)
ms->BoxSelectId = GetID("##BoxSelect");
KeepAliveID(ms->BoxSelectId);
}
if ((flags & ImGuiMultiSelectFlags_BoxSelect) && ms->BoxSelectId == bs->BoxSelectId)
if ((flags & ImGuiMultiSelectFlags_BoxSelect) && ms->BoxSelectId == bs->ID)
{
bs->BoxSelectUnclipMode = false;
bs->UnclipMode = false;
// BoxSelectStarting is set by MultiSelectItemFooter() when considering a possible box-select. We validate it here and lock geometry.
if (bs->BoxSelectStarting && IsMouseDragPastThreshold(0))
if (bs->IsStarting && IsMouseDragPastThreshold(0))
{
bs->BoxSelectActive = true;
bs->BoxSelectWindow = ms->Storage->Window;
bs->BoxSelectStarting = false;
bs->IsActive = true;
bs->Window = ms->Storage->Window;
bs->IsStarting = false;
SetActiveID(ms->BoxSelectId, window);
if (bs->BoxSelectFromVoid && (bs->BoxSelectKeyMods & ImGuiMod_Shift) == 0)
if (bs->IsStartedFromVoid && (bs->KeyMods & ImGuiMod_Shift) == 0)
request_clear = true;
}
else if ((bs->BoxSelectStarting || bs->BoxSelectActive) && g.IO.MouseDown[0] == false)
else if ((bs->IsStarting || bs->IsActive) && g.IO.MouseDown[0] == false)
{
bs->BoxSelectId = 0;
bs->BoxSelectActive = bs->BoxSelectStarting = false;
bs->ID = 0;
bs->IsActive = bs->IsStarting = false;
if (g.ActiveId == ms->BoxSelectId)
ClearActiveID();
}
if (bs->BoxSelectActive)
if (bs->IsActive)
{
// Current frame absolute prev/current rectangles are used to toggle selection.
// They are derived from positions relative to scrolling space.
const ImRect scope_rect = window->InnerClipRect;
ImVec2 start_pos_abs = WindowPosRelToAbs(window, bs->BoxSelectStartPosRel);
ImVec2 prev_end_pos_abs = WindowPosRelToAbs(window, bs->BoxSelectEndPosRel); // Clamped already
ImVec2 start_pos_abs = WindowPosRelToAbs(window, bs->StartPosRel);
ImVec2 prev_end_pos_abs = WindowPosRelToAbs(window, bs->EndPosRel); // Clamped already
ImVec2 curr_end_pos_abs = g.IO.MousePos;
if (ms->Flags & ImGuiMultiSelectFlags_ScopeWindow) // Box-select scrolling only happens with ScopeWindow
curr_end_pos_abs = ImClamp(curr_end_pos_abs, scope_rect.Min, scope_rect.Max);
bs->BoxSelectLastitem = -1;
bs->LastSubmittedItem = ImGuiSelectionUserData_Invalid;
bs->BoxSelectRectPrev.Min = ImMin(start_pos_abs, prev_end_pos_abs);
bs->BoxSelectRectPrev.Max = ImMax(start_pos_abs, prev_end_pos_abs);
bs->BoxSelectRectCurr.Min = ImMin(start_pos_abs, curr_end_pos_abs);
@ -7301,9 +7301,9 @@ ImGuiMultiSelectIO* ImGui::BeginMultiSelect(ImGuiMultiSelectFlags flags)
if (flags & ImGuiMultiSelectFlags_BoxSelect2d)
if (bs->BoxSelectRectPrev.Min.x != bs->BoxSelectRectCurr.Min.x || bs->BoxSelectRectPrev.Max.x != bs->BoxSelectRectCurr.Max.x)
{
bs->BoxSelectUnclipRect = bs->BoxSelectRectPrev;
bs->BoxSelectUnclipRect.Add(bs->BoxSelectRectCurr);
bs->BoxSelectUnclipMode = true;
bs->UnclipRect = bs->BoxSelectRectPrev;
bs->UnclipRect.Add(bs->BoxSelectRectCurr);
bs->UnclipMode = true;
}
//GetForegroundDrawList()->AddRect(ms->BoxSelectNoClipRect.Min, ms->BoxSelectNoClipRect.Max, IM_COL32(255,0,0,200), 0.0f, 0, 3.0f);
@ -7357,7 +7357,7 @@ ImGuiMultiSelectIO* ImGui::EndMultiSelect()
if ((ms->Flags & ImGuiMultiSelectFlags_BoxSelect) && bs != NULL)
{
// Box-select: render selection rectangle
bs->BoxSelectEndPosRel = WindowPosAbsToRel(window, ImClamp(g.IO.MousePos, scope_rect.Min, scope_rect.Max)); // Clamp stored position according to current scrolling view
bs->EndPosRel = WindowPosAbsToRel(window, ImClamp(g.IO.MousePos, scope_rect.Min, scope_rect.Max)); // Clamp stored position according to current scrolling view
ImRect box_select_r = bs->BoxSelectRectCurr;
box_select_r.ClipWith(scope_rect);
window->DrawList->AddRectFilled(box_select_r.Min, box_select_r.Max, GetColorU32(ImGuiCol_SeparatorHovered, 0.30f)); // FIXME-MULTISELECT: Styling
@ -7370,7 +7370,7 @@ ImGuiMultiSelectIO* ImGui::EndMultiSelect()
if ((ms->Flags & ImGuiMultiSelectFlags_ScopeWindow) && (ms->Flags & ImGuiMultiSelectFlags_BoxSelectNoScroll) == 0 && !scroll_r.Contains(g.IO.MousePos))
BoxSelectScrollWithMouseDrag(window, scroll_r);
bs->BoxSelectUnclipMode = false;
bs->UnclipMode = false;
}
}
@ -7383,7 +7383,7 @@ ImGuiMultiSelectIO* ImGui::EndMultiSelect()
if (scope_hovered && g.HoveredId == 0 && g.ActiveId == 0)
{
if (ms->Flags & ImGuiMultiSelectFlags_BoxSelect)
if (!g.BoxSelectState.BoxSelectActive && !g.BoxSelectState.BoxSelectStarting && g.IO.MouseClickedCount[0] == 1)
if (!g.BoxSelectState.IsActive && !g.BoxSelectState.IsStarting && g.IO.MouseClickedCount[0] == 1)
BoxSelectStart(ms->BoxSelectId, ImGuiSelectionUserData_Invalid);
if (ms->Flags & ImGuiMultiSelectFlags_ClearOnClickVoid)
@ -7543,12 +7543,12 @@ void ImGui::MultiSelectItemFooter(ImGuiID id, bool* p_selected, bool* p_pressed)
selected = !selected;
ImGuiSelectionRequest req = { ImGuiSelectionRequestType_SetRange, selected, item_data, item_data };
ImGuiSelectionRequest* prev_req = (ms->IO.Requests.Size > 0) ? &ms->IO.Requests.Data[ms->IO.Requests.Size - 1] : NULL;
if (prev_req && prev_req->Type == ImGuiSelectionRequestType_SetRange && prev_req->RangeLastItem == bs->BoxSelectLastitem && prev_req->RangeSelected == selected)
if (prev_req && prev_req->Type == ImGuiSelectionRequestType_SetRange && prev_req->RangeLastItem == bs->LastSubmittedItem && prev_req->RangeSelected == selected)
prev_req->RangeLastItem = item_data; // Merge span into same request
else
ms->IO.Requests.push_back(req);
}
bs->BoxSelectLastitem = item_data;
bs->LastSubmittedItem = item_data;
}
// Right-click handling: this could be moved at the Selectable() level.
@ -7576,7 +7576,7 @@ void ImGui::MultiSelectItemFooter(ImGuiID id, bool* p_selected, bool* p_pressed)
// Box-select
ImGuiInputSource input_source = (g.NavJustMovedToId == id || g.NavActivateId == id) ? g.NavInputSource : ImGuiInputSource_Mouse;
if (ms->Flags & ImGuiMultiSelectFlags_BoxSelect)
if (selected == false && !g.BoxSelectState.BoxSelectActive && !g.BoxSelectState.BoxSelectStarting && input_source == ImGuiInputSource_Mouse && g.IO.MouseClickedCount[0] == 1)
if (selected == false && !g.BoxSelectState.IsActive && !g.BoxSelectState.IsStarting && input_source == ImGuiInputSource_Mouse && g.IO.MouseClickedCount[0] == 1)
BoxSelectStart(ms->BoxSelectId, item_data);
//----------------------------------------------------------------------------------------