75 lines
1.7 KiB
C
75 lines
1.7 KiB
C
/**
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* Copyright (c) 2021 Dominic Masters
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*
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* This software is released under the MIT License.
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* https://opensource.org/licenses/MIT
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*/
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#pragma once
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#include "../libs.h"
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/** Maximum number of breakpoints a grid can support */
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#define GRID_BREAKPOINT_COUNT 4
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/** Max number of children that a grid can support */
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#define GRID_CHILD_COUNT 32
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/** Definition of a breakpoint */
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typedef struct {
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float width;
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} breakpointsize_t;
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/** Definition of a grid breakpoint */
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typedef struct {
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uint8_t rows;
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uint8_t columns;
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float gutterX;
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float gutterY;
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} gridbreakpoint_t;
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/** Definition of a grid child's breakpoint */
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typedef struct {
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uint8_t columns;
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uint8_t rows;
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uint8_t x;
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uint8_t y;
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} gridchildbreakpoint_t;
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/** Callback to receive when a grid child is to be resized */
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typedef void gridchildresizecallback_t(
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void *user, uint8_t i, gridchildbreakpoint_t *breakpoint,
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float screenWidth, float screenHeight,
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float x, float y,
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float width, float height
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);
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/** Definition of a grid child */
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typedef struct {
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gridchildbreakpoint_t breakpoints[GRID_BREAKPOINT_COUNT];
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uint8_t breakpointCount;
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} gridchild_t;
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/** Definitio of a grid */
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typedef struct {
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/** Breakpoints */
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gridbreakpoint_t breakpoints[GRID_BREAKPOINT_COUNT];
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breakpointsize_t breakpointSizes[GRID_BREAKPOINT_COUNT];
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uint8_t breakpointCount;
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uint8_t breakpointCurrent;
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/** Child items of the grid */
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gridchild_t children[GRID_CHILD_COUNT];
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uint8_t childCount;
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/** Internal size reference, used for caching resize events */
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float width;
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float height;
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float x;
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float y;
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/** Pointer to any custom user data */
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void *user;
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/** Callback to listen for when children are resized */
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gridchildresizecallback_t *onResize;
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} grid_t; |