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Tables: tooltip on clipped TableHeader() (amended)

This commit is contained in:
ocornut 2020-11-04 22:37:15 +01:00
parent 507db499e4
commit 82cf41d804
3 changed files with 9 additions and 5 deletions
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2
imgui_internal.h
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@ -1429,6 +1429,7 @@ struct ImGuiContext
float DragSpeedDefaultRatio; // If speed == 0.0f, uses (max-min) * DragSpeedDefaultRatio
float ScrollbarClickDeltaToGrabCenter; // Distance between mouse and center of grab box, normalized in parent space. Use storage?
int TooltipOverrideCount;
float TooltipSlowDelay; // Time before slow tooltips appears (FIXME: This is temporary until we merge in tooltip timer+priority work)
ImVector<char> ClipboardHandlerData; // If no custom clipboard handler is defined
ImVector<ImGuiID> MenusIdSubmittedThisFrame; // A list of menu IDs that were rendered at least once
@ -1589,6 +1590,7 @@ struct ImGuiContext
DragSpeedDefaultRatio = 1.0f / 100.0f;
ScrollbarClickDeltaToGrabCenter = 0.0f;
TooltipOverrideCount = 0;
TooltipSlowDelay = 0.50f;
PlatformImePos = PlatformImeLastPos = ImVec2(FLT_MAX, FLT_MAX);
PlatformLocaleDecimalPoint = '.';

8
imgui_tables.cpp
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@ -56,7 +56,6 @@
#pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
#endif
//-----------------------------------------------------------------------------
// [SECTION] Widgets: BeginTable, EndTable, etc.
//-----------------------------------------------------------------------------
@ -2231,7 +2230,6 @@ void ImGui::TableHeadersRow()
// Emit a column header (text + optional sort order)
// We cpu-clip text here so that all columns headers can be merged into a same draw call.
// Note that because of how we cpu-clip and display sorting indicators, you _cannot_ use SameLine() after a TableHeader()
// FIXME-TABLE: Could hold a selection state.
// FIXME-TABLE: Style confusion between CellPadding.y and FramePadding.y
void ImGui::TableHeader(const char* label)
{
@ -2357,9 +2355,13 @@ void ImGui::TableHeader(const char* label)
//window->DrawList->AddCircleFilled(ImVec2(ellipsis_max, label_pos.y), 40, IM_COL32_WHITE);
RenderTextEllipsis(window->DrawList, label_pos, ImVec2(ellipsis_max, label_pos.y + label_height + g.Style.FramePadding.y), ellipsis_max, ellipsis_max, label, label_end, &label_size);
const bool text_clipped = label_size.x > (ellipsis_max - label_pos.x);
if (text_clipped && hovered && g.HoveredIdNotActiveTimer > g.TooltipSlowDelay)
SetTooltip("%.*s", (int)(label_end - label), label);
// We feed our unclipped width to the column without writing on CursorMaxPos, so that column is still considering for merging.
float max_pos_x = label_pos.x + label_size.x + w_sort_text + w_arrow;
column->ContentMaxXHeadersUsed = ImMax(column->ContentMaxXHeadersUsed, cell_r.Max.x);// ImMin(max_pos_x, cell_r.Max.x));
column->ContentMaxXHeadersUsed = ImMax(column->ContentMaxXHeadersUsed, cell_r.Max.x);
column->ContentMaxXHeadersIdeal = ImMax(column->ContentMaxXHeadersIdeal, max_pos_x);
// We don't use BeginPopupContextItem() because we want the popup to stay up even after the column is hidden

4
imgui_widgets.cpp
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@ -7682,7 +7682,7 @@ bool ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open,
}
#if 0
if (hovered && g.HoveredIdNotActiveTimer > 0.50f && bb.GetWidth() < tab->ContentWidth)
if (hovered && g.HoveredIdNotActiveTimer > TOOLTIP_DELAY && bb.GetWidth() < tab->ContentWidth)
{
// Enlarge tab display when hovering
bb.Max.x = bb.Min.x + IM_FLOOR(ImLerp(bb.GetWidth(), tab->ContentWidth, ImSaturate((g.HoveredIdNotActiveTimer - 0.40f) * 6.0f)));
@ -7724,7 +7724,7 @@ bool ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open,
// Tooltip (FIXME: Won't work over the close button because ItemOverlap systems messes up with HoveredIdTimer)
// We test IsItemHovered() to discard e.g. when another item is active or drag and drop over the tab bar (which g.HoveredId ignores)
if (text_clipped && g.HoveredId == id && !held && g.HoveredIdNotActiveTimer > 0.50f && IsItemHovered())
if (text_clipped && g.HoveredId == id && !held && g.HoveredIdNotActiveTimer > g.TooltipSlowDelay && IsItemHovered())
if (!(tab_bar->Flags & ImGuiTabBarFlags_NoTooltip) && !(tab->Flags & ImGuiTabItemFlags_NoTooltip))
SetTooltip("%.*s", (int)(FindRenderedTextEnd(label) - label), label);