[LyX/master] Simplify notation to use Point class and mark a function const

[Koji Yokota]

commit eb9679b74d794a8b26eaa0b9132b486b0f0ec03b
Author: Koji Yokota <yokota at lyx.org>
Date:   Thu Jun 25 09:40:44 2026 +0900

    Simplify notation to use Point class and mark a function const
---
 src/frontends/InputMethod.h         |  3 ++-
 src/frontends/qt/GuiInputMethod.cpp | 16 ++++++++--------
 src/frontends/qt/GuiInputMethod.h   |  2 +-
 3 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/src/frontends/InputMethod.h b/src/frontends/InputMethod.h
index cd5e1845a0..6cc45876d3 100644
--- a/src/frontends/InputMethod.h
+++ b/src/frontends/InputMethod.h
@@ -12,6 +12,7 @@
 #ifndef INPUTMETHOD_H
 #define INPUTMETHOD_H
 
+#include "Dimension.h"
 #include "support/docstring.h"
 #include "support/types.h"
 #include <vector>
@@ -89,7 +90,7 @@ public:
 	///
 	virtual void clearElemsCoordinates() = 0;
 	///
-	virtual std::vector<std::array<int,2>> elemsCoordinates() = 0;
+	virtual std::vector<Point> elemsCoordinates() const = 0;
 #ifdef Q_DEBUG
 	///
 	virtual void setHint(Hint) = 0;
diff --git a/src/frontends/qt/GuiInputMethod.cpp b/src/frontends/qt/GuiInputMethod.cpp
index 79fea2e7ae..9f1d050967 100644
--- a/src/frontends/qt/GuiInputMethod.cpp
+++ b/src/frontends/qt/GuiInputMethod.cpp
@@ -93,7 +93,7 @@ struct GuiInputMethod::Private
 	pos_type anchor_pos_ = 0;
 	pos_type abs_pos_;
 
-	std::vector<std::array<int,2>> elems_coords_;
+	std::vector<Point> elems_coords_;
 
 	bool real_boundary_    = false;
 	bool virtual_boundary_ = false;
@@ -816,14 +816,14 @@ void GuiInputMethod::setCaretRectangle()
 	LASSERT(d->caret_elem_.index < (pos_type)d->elems_coords_.size(), return);
 
 	if (d->im_state_.composing_mode_) {
-		x = d->elems_coords_[d->caret_elem_.index][0] + preeditCaretOffset();
-		y = d->elems_coords_[d->caret_elem_.index][1];
+		x = d->elems_coords_[d->caret_elem_.index].x + preeditCaretOffset();
+		y = d->elems_coords_[d->caret_elem_.index].y;
 	} else {
-		x = d->elems_coords_[d->caret_elem_.index][0];
-		y = d->elems_coords_[d->caret_elem_.index][1];
+		x = d->elems_coords_[d->caret_elem_.index].x;
+		y = d->elems_coords_[d->caret_elem_.index].y;
 	}
-	d->im_state_.anchor_rect_.setRect(d->elems_coords_[0][0],
-	                                  d->elems_coords_[0][1],
+	d->im_state_.anchor_rect_.setRect(d->elems_coords_[0].x,
+	                                  d->elems_coords_[0].y,
 	                                  d->cur_dim_.width(),
 	                                  d->cur_dim_.height());
 	d->im_state_.cursor_rect_.setRect(x, y, d->cur_dim_.width(),
@@ -891,7 +891,7 @@ void GuiInputMethod::setElemsCoordinates(int x, int y)
 	d->elems_coords_.push_back({x,y});
 }
 
-std::vector<std::array<int, 2> > GuiInputMethod::elemsCoordinates()
+std::vector<Point> GuiInputMethod::elemsCoordinates() const
 {
 	return d->elems_coords_;
 }
diff --git a/src/frontends/qt/GuiInputMethod.h b/src/frontends/qt/GuiInputMethod.h
index 8c02673af4..9945b7f4b5 100644
--- a/src/frontends/qt/GuiInputMethod.h
+++ b/src/frontends/qt/GuiInputMethod.h
@@ -123,7 +123,7 @@ public:
 	/// Whether the segment contains language that allows wrapping anywhere
 	bool canWrapAnywhere(pos_type const) override;
 	void setElemsCoordinates(int x, int y) override;
-	std::vector<std::array<int,2>> elemsCoordinates() override;
+	std::vector<Point> elemsCoordinates() const override;
 	void clearElemsCoordinates() override;
 Q_SIGNALS:
 	void preeditProcessed(QInputMethodEvent* ev);