Update Files

Kha/Kinc/Sources/kinc/input/surface.h

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+#pragma once
+
+#include <kinc/global.h>
+
+/*! \file surface.h
+    \brief Provides touch-support.
+*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/// <summary>
+/// Sets the surface-touch-start-callback which is called when a finger-touch is detected.
+/// </summary>
+/// <param name="value">The callback</param>
+KINC_FUNC void kinc_surface_set_touch_start_callback(void (*value)(int /*index*/, int /*x*/, int /*y*/));
+
+/// <summary>
+/// Sets the surface-move-callback which is called when a finger is moving around.
+/// </summary>
+/// <param name="value">The callback</param>
+KINC_FUNC void kinc_surface_set_move_callback(void (*value)(int /*index*/, int /*x*/, int /*y*/));
+
+/// <summary>
+/// Sets the surface-touch-end-callback which is called when a finger disappears. This is usually not a medical emergency.
+/// </summary>
+/// <param name="value">The callback</param>
+KINC_FUNC void kinc_surface_set_touch_end_callback(void (*value)(int /*index*/, int /*x*/, int /*y*/));
+
+void kinc_internal_surface_trigger_touch_start(int index, int x, int y);
+void kinc_internal_surface_trigger_move(int index, int x, int y);
+void kinc_internal_surface_trigger_touch_end(int index, int x, int y);
+
+#ifdef KINC_IMPLEMENTATION_INPUT
+#define KINC_IMPLEMENTATION
+#endif
+
+#ifdef KINC_IMPLEMENTATION
+
+#include <memory.h>
+#include <stddef.h>
+
+static void (*surface_touch_start_callback)(int /*index*/, int /*x*/, int /*y*/) = NULL;
+static void (*surface_move_callback)(int /*index*/, int /*x*/, int /*y*/) = NULL;
+static void (*surface_touch_end_callback)(int /*index*/, int /*x*/, int /*y*/) = NULL;
+
+void kinc_surface_set_touch_start_callback(void (*value)(int /*index*/, int /*x*/, int /*y*/)) {
+	surface_touch_start_callback = value;
+}
+
+void kinc_surface_set_move_callback(void (*value)(int /*index*/, int /*x*/, int /*y*/)) {
+	surface_move_callback = value;
+}
+
+void kinc_surface_set_touch_end_callback(void (*value)(int /*index*/, int /*x*/, int /*y*/)) {
+	surface_touch_end_callback = value;
+}
+
+void kinc_internal_surface_trigger_touch_start(int index, int x, int y) {
+	if (surface_touch_start_callback != NULL) {
+		surface_touch_start_callback(index, x, y);
+	}
+}
+
+void kinc_internal_surface_trigger_move(int index, int x, int y) {
+	if (surface_move_callback != NULL) {
+		surface_move_callback(index, x, y);
+	}
+}
+
+void kinc_internal_surface_trigger_touch_end(int index, int x, int y) {
+	if (surface_touch_end_callback != NULL) {
+		surface_touch_end_callback(index, x, y);
+	}
+}
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif