mirror of
https://git.planet-casio.com/Lephenixnoir/JustUI.git
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63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
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//---
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// JustUI.defs: Type and utility definitions
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//---
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#ifndef _J_DEFS
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#define _J_DEFS
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#include <gint/defs/types.h>
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#include <gint/defs/util.h>
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#include <gint/defs/attributes.h>
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#include <stdint.h>
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#include <stddef.h>
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#include <stdbool.h>
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/* j_dirs_t: Quadruplet with four directions */
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typedef struct {
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uint8_t top;
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uint8_t right;
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uint8_t bottom;
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uint8_t left;
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} jdirs;
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/* j_align_t: Alignment options with both horizontal and vertical names */
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typedef enum {
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/* Horizontal names */
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J_ALIGN_LEFT = 0,
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J_ALIGN_CENTER = 1,
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J_ALIGN_RIGHT = 2,
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/* Vertical names */
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J_ALIGN_TOP = 0,
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J_ALIGN_MIDDLE = 1,
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J_ALIGN_BOTTOM = 2,
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} __attribute__((packed)) jalign;
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/* j_arg_t: Standard 4-byte argument types for callbacks */
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typedef union {
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/* Pointers of different qualifiers */
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void *p;
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void const *cp;
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volatile void *vp;
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volatile void const *vcp;
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/* Integers */
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int32_t i32;
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uint32_t u32;
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} GTRANSPARENT j_arg_t;
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/* Vararg macro to cast (void *) parameters to (jwidget *), useful in generic
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widget functions. J_CAST(x, y, ...) will expand to
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jwidget *x = x0;
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jwidget *y = y0;
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...
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and accepts from 1 to 4 parameters. */
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#define J_CAST0(x) _Pragma("GCC error \"J_CAST takes only up to 4 arguments\"")
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#define J_CAST1(x, ...) jwidget *x = x ## 0; __VA_OPT__(J_CAST0(__VA_ARGS__))
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#define J_CAST2(x, ...) jwidget *x = x ## 0; __VA_OPT__(J_CAST1(__VA_ARGS__))
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#define J_CAST3(x, ...) jwidget *x = x ## 0; __VA_OPT__(J_CAST2(__VA_ARGS__))
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#define J_CAST(x, ...) jwidget *x = x ## 0; __VA_OPT__(J_CAST3(__VA_ARGS__))
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#endif /* _J_DEFS */
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