diff --git a/docs/CHANGELOG.txt b/docs/CHANGELOG.txt index 489d010d8..34cba0c1a 100644 --- a/docs/CHANGELOG.txt +++ b/docs/CHANGELOG.txt @@ -76,6 +76,7 @@ Other changes: - Tooltips, Drag and Drop: Stabilized name of drag and drop tooltip window so that transitioning from an item tooltip to a drag tooltip doesn't leak window auto-sizing info from one to the other. (#8036) +- Tooltips: Tooltips triggered from touch inputs are positionned above the item. (#8036) - Backends: SDL3: Update for API changes: SDL_bool removal. SDL_INIT_TIMER removal. - Backends: WebGPU: Fixed DAWN api change using WGPUStringView in WGPUShaderSourceWGSL. (#8009, #8010) [@blitz-research] diff --git a/imgui.cpp b/imgui.cpp index eae120fd7..91250b23d 100644 --- a/imgui.cpp +++ b/imgui.cpp @@ -1136,7 +1136,9 @@ static const float WINDOWS_RESIZE_FROM_EDGES_FEEDBACK_TIMER = 0.04f; // Reduc static const float WINDOWS_MOUSE_WHEEL_SCROLL_LOCK_TIMER = 0.70f; // Lock scrolled window (so it doesn't pick child windows that are scrolling through) for a certain time, unless mouse moved. // Tooltip offset -static const ImVec2 TOOLTIP_DEFAULT_OFFSET = ImVec2(16, 10); // Multiplied by g.Style.MouseCursorScale +static const ImVec2 TOOLTIP_DEFAULT_OFFSET_MOUSE = ImVec2(16, 10); // Multiplied by g.Style.MouseCursorScale +static const ImVec2 TOOLTIP_DEFAULT_OFFSET_TOUCH = ImVec2(0, -20); // Multiplied by g.Style.MouseCursorScale +static const ImVec2 TOOLTIP_DEFAULT_PIVOT_TOUCH = ImVec2(0.5f, 1.0f); // Multiplied by g.Style.MouseCursorScale //------------------------------------------------------------------------- // [SECTION] FORWARD DECLARATIONS @@ -11518,9 +11520,14 @@ bool ImGui::BeginTooltipEx(ImGuiTooltipFlags tooltip_flags, ImGuiWindowFlags ext // We call SetNextWindowPos() to enforce position and disable clamping. // See FindBestWindowPosForPopup() for positionning logic of other tooltips (not drag and drop ones). //ImVec2 tooltip_pos = g.IO.MousePos - g.ActiveIdClickOffset - g.Style.WindowPadding; - ImVec2 tooltip_pos = g.IO.MousePos + TOOLTIP_DEFAULT_OFFSET * g.Style.MouseCursorScale; + const bool is_touchscreen = (g.IO.MouseSource == ImGuiMouseSource_TouchScreen); if ((g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasPos) == 0) - SetNextWindowPos(tooltip_pos); + { + ImVec2 tooltip_pos = is_touchscreen ? (g.IO.MousePos + TOOLTIP_DEFAULT_OFFSET_TOUCH * g.Style.MouseCursorScale) : (g.IO.MousePos + TOOLTIP_DEFAULT_OFFSET_MOUSE * g.Style.MouseCursorScale); + ImVec2 tooltip_pivot = is_touchscreen ? TOOLTIP_DEFAULT_PIVOT_TOUCH : ImVec2(0.0f, 0.0f); + SetNextWindowPos(tooltip_pos, ImGuiCond_None, tooltip_pivot); + } + SetNextWindowBgAlpha(g.Style.Colors[ImGuiCol_PopupBg].w * 0.60f); //PushStyleVar(ImGuiStyleVar_Alpha, g.Style.Alpha * 0.60f); // This would be nice but e.g ColorButton with checkboard has issue with transparent colors :( tooltip_flags |= ImGuiTooltipFlags_OverridePrevious; @@ -12126,18 +12133,30 @@ ImVec2 ImGui::FindBestWindowPosForPopup(ImGuiWindow* window) if (window->Flags & ImGuiWindowFlags_Tooltip) { // Position tooltip (always follows mouse + clamp within outer boundaries) - // Note that drag and drop tooltips are NOT using this path: BeginTooltipEx() manually sets their position. - // In theory we could handle both cases in same location, but requires a bit of shuffling as drag and drop tooltips are calling SetWindowPos() leading to 'window_pos_set_by_api' being set in Begin() + // FIXME: + // - Too many paths. One problem is that FindBestWindowPosForPopupEx() doesn't allow passing a suggested position (so touch screen path doesn't use it by default). + // - Drag and drop tooltips are not using this path either: BeginTooltipEx() manually sets their position. + // - Require some tidying up. In theory we could handle both cases in same location, but requires a bit of shuffling + // as drag and drop tooltips are calling SetNextWindowPos() leading to 'window_pos_set_by_api' being set in Begin(). IM_ASSERT(g.CurrentWindow == window); const float scale = g.Style.MouseCursorScale; const ImVec2 ref_pos = NavCalcPreferredRefPos(); - const ImVec2 tooltip_pos = ref_pos + TOOLTIP_DEFAULT_OFFSET * scale; + + if (g.IO.MouseSource == ImGuiMouseSource_TouchScreen) + { + ImVec2 tooltip_pos = g.IO.MousePos + TOOLTIP_DEFAULT_OFFSET_TOUCH * scale - (TOOLTIP_DEFAULT_PIVOT_TOUCH * window->Size); + if (r_outer.Contains(ImRect(tooltip_pos, tooltip_pos + window->Size))) + return tooltip_pos; + } + + ImVec2 tooltip_pos = g.IO.MousePos + TOOLTIP_DEFAULT_OFFSET_MOUSE * scale; ImRect r_avoid; if (!g.NavDisableHighlight && g.NavDisableMouseHover && !(g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableSetMousePos)) r_avoid = ImRect(ref_pos.x - 16, ref_pos.y - 8, ref_pos.x + 16, ref_pos.y + 8); else r_avoid = ImRect(ref_pos.x - 16, ref_pos.y - 8, ref_pos.x + 24 * scale, ref_pos.y + 24 * scale); // FIXME: Hard-coded based on mouse cursor shape expectation. Exact dimension not very important. //GetForegroundDrawList()->AddRect(r_avoid.Min, r_avoid.Max, IM_COL32(255, 0, 255, 255)); + return FindBestWindowPosForPopupEx(tooltip_pos, window->Size, &window->AutoPosLastDirection, r_outer, r_avoid, ImGuiPopupPositionPolicy_Tooltip); } IM_ASSERT(0);