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Tooltips: Tweak default offset for non-drag and drop tooltips.

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This commit is contained in:
ocornut 2023-06-13 15:27:46 +02:00
parent e95d66faa8
commit 534340cd88
2 changed files with 21 additions and 9 deletions
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2
docs/CHANGELOG.txt
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@ -41,6 +41,8 @@ Other changes:
- Clipper: Rework inner logic to allow functioning with a zero-clear constructor.
This is order to facilitate usage for language bindings (e.g cimgui or dear_binding)
where user may not be callinga constructor manually. (#5856)
- Tooltips: Tweak default offset for non-drag and drop tooltips so underlying items
isn't covered as much. (Match offset for drag and drop tooltips)
- Debug Tools: Added 'io.ConfigDebugIniSettings' option to save .ini data with extra
comments. Currently mainly for inspecting Docking .ini data, but makes saving slower.
- Backends: OpenGL3: Fixed support for glBindSampler() backup/restore on ES3. (#6375, #6508) [@jsm174]

28
imgui.cpp
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@ -993,6 +993,9 @@ static const float WINDOWS_HOVER_PADDING = 4.0f; // Exten
static const float WINDOWS_RESIZE_FROM_EDGES_FEEDBACK_TIMER = 0.04f; // Reduce visual noise by only highlighting the border after a certain time.
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
//-------------------------------------------------------------------------
// [SECTION] FORWARD DECLARATIONS
//-------------------------------------------------------------------------
@ -10050,11 +10053,13 @@ bool ImGui::BeginTooltipEx(ImGuiTooltipFlags tooltip_flags, ImGuiWindowFlags ext
if (g.DragDropWithinSource || g.DragDropWithinTarget)
{
// The default tooltip position is a little offset to give space to see the context menu (it's also clamped within the current viewport/monitor)
// In the context of a dragging tooltip we try to reduce that offset and we enforce following the cursor.
// Whatever we do we want to call SetNextWindowPos() to enforce a tooltip position and disable clipping the tooltip without our display area, like regular tooltip do.
// Drag and Drop tooltips are positioning differently than other tooltips:
// - offset visibility to increase visibility around mouse.
// - never clamp within outer viewport boundary.
// 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 + ImVec2(16 * g.Style.MouseCursorScale, 8 * g.Style.MouseCursorScale);
ImVec2 tooltip_pos = g.IO.MousePos + TOOLTIP_DEFAULT_OFFSET * g.Style.MouseCursorScale;
SetNextWindowPos(tooltip_pos);
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 :(
@ -10625,15 +10630,20 @@ ImVec2 ImGui::FindBestWindowPosForPopup(ImGuiWindow* window)
}
if (window->Flags & ImGuiWindowFlags_Tooltip)
{
// Position tooltip (always follows mouse)
float sc = g.Style.MouseCursorScale;
ImVec2 ref_pos = NavCalcPreferredRefPos();
// 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()
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;
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 * sc, ref_pos.y + 24 * sc); // FIXME: Hard-coded based on mouse cursor shape expectation. Exact dimension not very important.
return FindBestWindowPosForPopupEx(ref_pos, window->Size, &window->AutoPosLastDirection, r_outer, r_avoid, ImGuiPopupPositionPolicy_Tooltip);
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);
return window->Pos;