From 69e7e111fb65cd3473e1aa3386d4607d95f34785 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Tue, 03 Aug 2021 16:57:07 -0400
Subject: widget: Add button

---
(limited to 'src')

diff --git a/src/widget.c b/src/widget.c
index 0b6929c..25c5517 100644
--- a/src/widget.c
+++ b/src/widget.c
@@ -75,3 +75,47 @@ mf_widget_text(TTF_Font *font, const char *text, SDL_Color *color,
 
 	return texture;
 }
+
+SDL_Texture *
+mf_widget_button(TTF_Font *font, const char *text, SDL_Color *text_color,
+		SDL_Color *fill_color, int padding, SDL_Renderer *renderer,
+		SDL_Rect *rect)
+{
+	SDL_Texture *text_texture;
+	SDL_Rect     text_rect;
+	SDL_Texture *texture;
+	SDL_Texture *target;
+
+	text_texture = mf_widget_text(font, text, text_color, renderer,
+			&text_rect);
+	if (text_texture == NULL) {
+		return NULL;
+	}
+	text_rect.x += padding;
+	text_rect.y += padding;
+	rect->x = 0;
+	rect->y = 0;
+	rect->w = text_rect.w + padding * 2;
+	rect->h = TTF_FontLineSkip(font) + padding * 2;
+
+	texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888,
+			SDL_TEXTUREACCESS_TARGET, rect->w, rect->h);
+	if (texture == NULL) {
+		SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+				"Couldn't create texture: %s",
+				SDL_GetError());
+		SDL_DestroyTexture(text_texture);
+		return NULL;
+	}
+	target = SDL_GetRenderTarget(renderer);
+	SDL_SetRenderTarget(renderer, texture);
+
+	SDL_SetRenderDrawColor(renderer,
+			fill_color->r, fill_color->g,
+			fill_color->b, fill_color->a);
+	SDL_RenderClear(renderer);
+	SDL_RenderCopy(renderer, text_texture, NULL, &text_rect);
+
+	SDL_SetRenderTarget(renderer, target);
+	return texture;
+}
diff --git a/src/widget.h b/src/widget.h
index 04a6767..be7f79f 100644
--- a/src/widget.h
+++ b/src/widget.h
@@ -26,4 +26,9 @@ SDL_Texture *
 mf_widget_text(TTF_Font *font, const char *text, SDL_Color *color,
 		SDL_Renderer *renderer, SDL_Rect *rect);
 
+SDL_Texture *
+mf_widget_button(TTF_Font *font, const char *text, SDL_Color *text_color,
+		SDL_Color *fill_color, int padding, SDL_Renderer *renderer,
+		SDL_Rect *rect);
+
 #endif  /* MF_WIDGET_H_ */
--
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