mirror of
https://github.com/kichikuou/xsystem35-sdl2.git
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65 lines
2.5 KiB
C
65 lines
2.5 KiB
C
/*
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* modal.h modal popup/dialog infrastructure
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*
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* Copyright (C) 2026 kichikuou <KichikuouChrome@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef __MODAL_H__
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#define __MODAL_H__
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#include <stdbool.h>
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#include "microui/microui.h"
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union SDL_Event;
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typedef struct modal {
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// Build one frame of the modal's UI. Returns false to close the modal.
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bool (*build)(mu_Context *ctx, struct modal *modal);
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// SDL event handler. Returns false to fall through to the default event handling.
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bool (*handler)(const union SDL_Event *e, struct modal *modal);
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bool cancelled; // set by the handler on Esc; build returns false
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bool no_dim; // don't dim the game behind the modal (for inline overlays)
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} modal;
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// Default modal event handler. Use it as a modal's `handler` for simple dialogs, or
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// call it from a custom handler to feed microui and get the shared behavior.
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bool modal_default_handler(const union SDL_Event *e, modal *modal);
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// Run a modal loop that drives `modal` until `build` returns false.
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void modal_run(modal *modal);
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// Feed an SDL event to the active modal's handler. Returns true if the event was
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// consumed, false when no modal is running or the handler falls through.
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bool modal_handle_event(const union SDL_Event *e);
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// Return a rectangle of the requested size centered in the logical view.
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mu_Rect modal_centered_rect(int width, int height);
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// Render the active modal's overlay onto the screen. Call this from the screen
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// update path; it is a no-op when no modal is running.
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void modal_render_overlay(void);
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// Draw a grayed-out, non-interactive checkbox.
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void modal_disabled_checkbox(mu_Context *ctx, const char *label, int state);
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// Draw a non-interactive, dimmed button occupying the next layout cell.
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void modal_disabled_button(mu_Context *ctx, const char *label);
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#endif /* __MODAL_H__ */
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