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