59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
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/**
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* @file uidemo.h
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* @brief Shared constants and types for the UI demo.
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*
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* There is deliberately little here: the demo is one translation unit, and
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* this header exists so the chapter can quote the constants and the script
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* type without quoting the code around them.
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*/
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#ifndef _UIDEMO_H_
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#define _UIDEMO_H_
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#include <SDL3/SDL.h>
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/** @brief Window and layout width, in pixels. */
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#define UIDEMO_SCREEN_WIDTH "640"
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/** @brief Window and layout height, in pixels. */
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#define UIDEMO_SCREEN_HEIGHT "480"
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/** @brief The same width as a number, for akgl_ui_init. */
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#define UIDEMO_WIDTH 640
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/** @brief The same height as a number. */
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#define UIDEMO_HEIGHT 480
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/** @brief Registry name the demo's one font is loaded under. */
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#define UIDEMO_FONT_NAME "uidemo"
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/** @brief Point size the font is loaded at. The size is baked into the handle. */
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#define UIDEMO_FONT_SIZE 16
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/**
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* @brief Which screen the demo is on.
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*
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* Three states, three ways of building an interface: the title screen is the
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* menu *widget*, the options screen is raw `CLAY()` layout, and the play
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* screen is the label and dialog widgets over a moving world stand-in.
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*/
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typedef enum {
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UIDEMO_STATE_TITLE, /**< The akgl_UiMenu title menu. */
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UIDEMO_STATE_OPTIONS, /**< The hand-written CLAY() options panel. */
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UIDEMO_STATE_PLAY /**< HUD labels and a dialog over the "game". */
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} uidemo_State;
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/**
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* @brief One scripted input in a `--demo` run.
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*
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* Key steps carry a keycode; mouse steps carry a position. Every step is
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* synthesized as a real SDL_Event and pushed through the same routing the
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* interactive loop uses, so the demo exercises the event chain rather than
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* poking state behind its back.
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*/
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typedef struct {
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long frame; /**< The frame this step fires on. */
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uint32_t type; /**< SDL_EVENT_KEY_DOWN, _MOUSE_MOTION, _MOUSE_BUTTON_DOWN or _MOUSE_BUTTON_UP. */
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SDL_Keycode key; /**< For key steps. */
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float x; /**< For mouse steps. */
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float y; /**< For mouse steps. */
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} uidemo_ScriptStep;
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#endif // _UIDEMO_H_
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